JP2010272277A - Sensor holder and touch sensor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To restrain permeation of moisture into a sensor holder, even when the sensor holder with a folding structure is adopted. <P>SOLUTION: The sensor holder 50 is set up to be the folding structure, a first contact piece 57a, a second contact piece 58b, and a third contact piece 52a are arranged on a mounting body section 51 and a sensor-retaining section 58, and respective contact pieces 57a, 58b, and 52a are elastically deformed between the mounting body section 51 and the sensor-retaining section 58. Consequently, a sealing property between the mounting body section 51 and the sensor-retaining section 58 can be secured. Permeation of moisture to the folding section of the sensor-retaining section 58, namely, a sensor storage section 59 via a permeation route P can be restrained, and the sensitivity of a pressure-sensitive sensor 70 can be maintained over a long period, by restraining the exposure of the pressure-sensitive sensor 70 against the moisture. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a sensor holder that holds a pressure-sensitive sensor formed in a cable shape that detects contact of an object to be detected, and a pressure sensor that includes these pressure-sensitive sensors and sensor holder.

  In order to prevent an obstacle (detected object) from being caught by an opening / closing body that opens and closes, an opening / closing device that automatically opens and closes an opening / closing body such as a slide door or sunroof provided in a vehicle such as an automobile. A pinch prevention function is provided. As a sensor for detecting pinching, a pressure sensor called a cord switch is used. This pressure sensor is formed in a cable shape and is attached to the end of the vehicle body side opening or the end of the opening / closing body. It is like that.

  As a technique using a pressure sensor provided in such a vehicle, for example, a pressure sensing device (touch sensor) described in Patent Document 1 is known. The pressure sensing device described in Patent Literature 1 includes a cable-shaped sensor body (pressure sensor) and a protector (sensor holder) including a holding unit that covers and holds the sensor body. The sensor body includes an outer skin portion made of a long hollow tube, and a plurality of electrodes are provided in the sensor body so as to be arranged at predetermined intervals. When an obstacle comes into contact and the protector and the outer skin part are elastically deformed, the electrodes in the outer skin part are short-circuited, and the short-circuiting is detected by a computer to detect the pinching.

JP-A-11-283459 (FIG. 4)

  However, according to the pressure sensing device described in the above-mentioned Patent Document 1, when the pressure sensing device is assembled, the holding portion having a length (for example, 1.2 m) substantially corresponding to the vertical length of the slide door. On the other hand, a sensor main body having substantially the same length is inserted from one end to the other end, and the sensor main body is pushed into the holding portion so that the two are integrated.

  Therefore, due to the frictional resistance generated between the sensor body and the holding part, a relatively large force is required for the insertion work of the sensor body into the holding part, and there is a problem that the sensor body is not only difficult to assemble but also bends in the holding part. Can occur. Since the sensor body may bend, it is necessary to check the operating state of the pressure sensing device after assembling the sensor body to the holding portion, that is, to check whether the electrodes in the sensor body are short-circuited.

  Therefore, in order to eliminate such annoyance, for example, an opening is formed in advance along the longitudinal direction of the holding portion that forms the protector, and the sensor body is mounted from the opening, and then the sensor body It is also conceivable to assemble the sensor main body to the holding part by folding the holding part so as to wrap the sensor. However, when the sensor holder has a folded structure, moisture such as rainwater may enter the sensor holder via the folded portion (opening) of the holding portion. When moisture enters the sensor holder, the sensor body is exposed to moisture and the outer skin portion of the sensor body is hardened, which may cause problems such as early deterioration of the sensitivity of the sensor body.

  An object of the present invention is to provide a sensor holder and a touch sensor that can suppress the intrusion of moisture into the sensor holder even when a folded back sensor holder is employed.

  The sensor holder of the present invention is a sensor holder for holding a pressure sensor formed in a cable shape for detecting contact of an object to be detected, an attachment main body for attaching the pressure sensor to an object, and one end Is connected to the detected object side of the mounting body part, and the other end is folded back to the object side of the mounting body part, and the engaged part provided on the object side of the mounting body part Provided at the other end of the sensor holding part, and between the engagement part engaging with the engaged part, one end side of the sensor holding part and the mounting body part, A sensor housing portion that houses a sensor; and a contact piece that is provided on at least one of the attachment main body portion and the sensor holding portion and elastically deforms between the attachment main body portion and the sensor holding portion. And wherein the door.

  In the sensor holder of the present invention, the attachment main body portion protrudes toward the detected object side, a first wall portion to which one end of the sensor holding portion is connected, and protrudes toward the detected object side, and the first wall portion And a second wall portion that forms the sensor housing portion, and the contact piece is formed on the distal end side of the second wall portion.

  The sensor holder of the present invention is characterized in that a thin wall portion set thinner than the contact piece is provided on the proximal end side of the contact piece of the second wall portion.

  The sensor holder of the present invention is characterized in that the contact piece is provided on at least one of the engaged portion side of the engaging portion or the engaged portion side of the engaged portion. To do.

  The sensor holder of the present invention is provided with a first leg and a second leg facing each other with the object sandwiched between the attachment main body and the first leg and the first leg of the attachment main body. The contact piece is provided between two legs.

  The sensor holder of the present invention is provided with a first leg and a second leg that are opposed to each other with the object sandwiched on the object side of the mounting main body, and the engagement part includes the first leg and the The contact piece is provided so as to be disposed between the second leg portion and the second leg portion.

  The sensor holder of the present invention is characterized in that the sensor holding portion is formed of a molding material softer than other portions.

  The sensor holder of the present invention is a slide door in which the object is provided on a side surface of the vehicle and moves in the front-rear direction of the vehicle, and the pressure-sensitive sensor is assembled to an end portion of the slide door in the movement direction. It is characterized by detecting the pinching of the detected object.

  The touch sensor of the present invention is a touch sensor having a pressure sensor formed in a cable shape that detects contact of an object to be detected, and a sensor holder that holds the pressure sensor. A first conductive member having flexibility; a first lead wire provided in the first conductive member along a longitudinal direction thereof; and electrically contacting the first conductive member; and a first flexible member. A second conductive member, a second lead wire provided in the second conductive member along the longitudinal direction thereof, and electrically contacting the second conductive member; the first conductive member; and the second conductive member; The contact between the first conductive member and the second conductive member is regulated when the detected object is not in contact, and the first conductive member and the second conductive member are controlled when the detected object is in contact And an elastic member that allows contact with the sensor hob. An attachment main body for attaching the pressure sensor to the object, one end is connected to the detected object side of the attachment main body, and the other end is folded back to the object side of the attachment main body. A sensor holding part; an engaged part provided on the object side of the attachment main body part; an engaging part provided at the other end of the sensor holding part and engaged with the engaged part; and the sensor Provided between one end side of the holding part and the mounting body part, provided in at least one of the sensor housing part for housing the pressure sensor, the mounting body part and the sensor holding part, It is formed from the contact piece which elastically deforms between an attachment main-body part and the said sensor holding | maintenance part, It is characterized by the above-mentioned.

  In the touch sensor according to the aspect of the invention, the attachment main body portion protrudes toward the detected object side, a first wall portion to which one end of the sensor holding portion is connected, and protrudes toward the detected object side, and the first wall portion. And a second wall portion that forms the sensor housing portion, and the contact piece is formed on the distal end side of the second wall portion.

  The touch sensor according to the present invention is characterized in that a thin portion set thinner than the contact piece is provided on the proximal end side of the contact piece of the second wall portion.

  The touch sensor according to the present invention is characterized in that the contact piece is provided on at least one of the engaged portion side of the engaging portion or the engaging portion side of the engaged portion. To do.

  The touch sensor according to the present invention includes a first leg and a second leg that are opposed to each other with the object sandwiched on the object side of the attachment main body, and the first leg and the first leg of the attachment main body. The contact piece is provided between two legs.

  The touch sensor according to the present invention includes a first leg portion and a second leg portion that are opposed to each other with the object sandwiched on the object side of the mounting main body portion, and the engagement portion includes the first leg portion and the The contact piece is provided so as to be disposed between the second leg portion and the second leg portion.

  The touch sensor according to the present invention is characterized in that the sensor holding portion is formed of a molding material softer than other portions.

  The touch sensor of the present invention is a slide door in which the object is provided on a side surface of the vehicle and moves in the front-rear direction of the vehicle, and the pressure-sensitive sensor is assembled to an end portion in the movement direction of the slide door, It is characterized by detecting the pinching of the detected object.

  According to the present invention, the sensor holder has a folded structure, the contact piece is provided on at least one of the attachment main body part and the sensor holding part, and the contact piece is elastically deformed between the attachment main body part and the sensor holding part. Therefore, the sealing property between the attachment main body portion and the sensor holding portion can be ensured. Therefore, moisture can be prevented from entering the sensor housing portion via the folded portion of the sensor holding portion, and the pressure sensitive sensor can be prevented from being exposed to moisture, thereby maintaining the sensitivity of the pressure sensitive sensor for a long time. It becomes possible to do.

  According to the present invention, the attachment main body portion protrudes toward the detected object side, the first wall portion to which one end of the sensor holding portion is connected, and protrudes toward the detected object side to form the sensor housing portion together with the first wall portion. Since the contact piece is formed on the distal end side of the second wall portion, the sealing property on the pressure-sensitive sensor side between the mounting main body portion and the sensor holding portion is ensured. Can do.

  According to the present invention, the thin wall portion set thinner than the contact piece is provided on the proximal end side of the contact piece of the second wall portion, so that the elastic deformation characteristic (seal characteristic) of the contact piece is adjusted. can do.

  According to the present invention, since the contact piece is provided on at least one of the engaged portion side of the engaging portion and the engaging portion side of the engaged portion, the engaging portion and the engaged portion It is possible to ensure the sealing performance at the engaging portion.

  According to the present invention, the first leg portion and the second leg portion that are opposed to each other with the object interposed therebetween are provided on the object side of the attachment main body portion, and between the first leg portion and the second leg portion of the attachment main body portion. Since the contact piece is provided on the side, the sealing property on the side opposite to the pressure-sensitive sensor side between the attachment main body part and the sensor holding part can be ensured. In this case, a contact piece can also be provided in an engagement part so that arrangement | positioning is possible between a 1st leg part and a 2nd leg part.

  According to the present invention, since the sensor holding portion is formed of a molding material that is softer than other portions, the sealing performance by the contact piece can be improved.

It is a side view showing a one-box type vehicle. It is a top view which shows the full open state of the switchgear provided with the touch sensor. It is explanatory drawing which shows the control system of the switchgear of FIG. It is explanatory drawing explaining the detailed structure of a touch sensor. It is the elements on larger scale which expand and show the part of the arrow I of FIG. It is the elements on larger scale which expand and show the part of the arrow II of FIG. It is the elements on larger scale which expand and show the part of the arrow III of FIG. (A), (b) is explanatory drawing explaining the detailed structure of a pressure-sensitive sensor. It is explanatory drawing explaining the manufacturing process of a sensor holder. (A), (b) is explanatory drawing explaining the assembly process of a touch sensor. It is explanatory drawing explaining the evaluation result of a touch sensor. It is explanatory drawing explaining the detailed structure of the touch sensor which concerns on 2nd Embodiment. It is the elements on larger scale which expand and show the part of the arrow III of FIG.

  Hereinafter, a first embodiment of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a side view showing a one-box type vehicle, FIG. 2 is a plan view showing a fully opened state of the switchgear provided with a touch sensor, FIG. 3 is an explanatory diagram showing a control system of the switchgear of FIG. 4 is an explanatory diagram for explaining the detailed structure of the touch sensor, FIG. 5 is an enlarged view of a portion indicated by an arrow I in FIG. 4, and FIG. 6 is an enlarged view of a portion indicated by an arrow II in FIG. 7 is a partially enlarged view, FIG. 7 is an enlarged view showing a portion indicated by an arrow III in FIG. 4, and FIGS. 8A and 8B are explanatory views for explaining the detailed structure of the pressure sensor. Yes.

  As shown in FIG. 1, the vehicle 10 is a one-box type passenger vehicle, and an opening 12 is formed on a side surface (left side of the vehicle body) of the vehicle body 11 of the vehicle 10 for passengers and the like to enter and exit. The opening 12 is provided with a slide door 13 as an opening / closing body for opening and closing the opening 12 so that the slide door 13 slides in the direction indicated by the broken line arrow in FIG. It has become.

  As shown in FIG. 2, the slide door 13 is provided with a roller assembly 14, and the slide door 13 is guided by a guide rail 15 fixed to the side surface of the vehicle body 11. It can be freely opened and closed between a fully open position indicated by a solid line and a fully closed position indicated by a two-dot chain line in the figure. A curved portion 15a that curves toward the vehicle interior side (upper side in the figure) is provided on the vehicle body front side of the guide rail 15, and the slide door 13 is guided by the roller assembly 14 being guided by the curved portion 15a. At the end of the closing operation, it is drawn into the inside of the vehicle body 11 and closed so as to be in the same plane as the side surface of the vehicle body 11. That is, the slide door 13 moves according to the shape of the guide rail 15 formed in a substantially J shape.

  Here, although not shown, the roller assembly 14 is also provided in the upper and lower portions (upper portion and lower portion) of the front end portion of the slide door 13, and further, the upper and lower portions of the opening portion 12 of the vehicle body 11 corresponding thereto. Each is also provided with a guide rail. In this way, the sliding door 13 is supported at a total of three locations with respect to the vehicle body 11, and a stable opening / closing operation with respect to the vehicle body 11 is possible.

  As shown in FIG. 2, the vehicle body 11 is equipped with an opening / closing device 20 for automatically opening and closing the sliding door 13. The opening / closing device 20 includes a drive unit 21 that is fixed to the inside of the vehicle body 11 adjacent to a substantially central portion of the guide rail 15 in the longitudinal direction of the vehicle body, and a pair of the drive unit 21 toward the vehicle body front side and the rear side. Cables 22a and 22b are drawn out.

  A cable 22a drawn from the drive unit 21 to the front side of the vehicle body is connected to the roller assembly 14 from the front side of the vehicle body via a reversing pulley 23a provided at the front end of the guide rail 15, and is pulled out to the rear side of the vehicle body. Is connected to the roller assembly 14 from the rear side of the vehicle body via a reversing pulley 23b provided at the rear end of the guide rail 15.

  The drive unit 21 is driven so as to wind or send out the cables 22a and 22b. By driving the drive unit 21 and moving the cables 22a and 22b, the slide door 13 is moved to the vehicle body front side or rear side. It is automatically opened and closed by being pulled by the cables 22a and 22b. That is, the switchgear 20 employs a so-called cable type switchgear.

  As shown in FIG. 3, the drive unit 21 includes an electric motor 24 as a drive source and a speed reducer 25 connected to the electric motor 24, and the rotation of the electric motor 24 is performed by the speed reducer 25 with a predetermined rotation. The output speed is reduced to a number and output from the output shaft 26. In addition, as the electric motor 24, what can rotate in the forward / reverse direction, such as a DC motor with a brush or a brushless DC motor, can be used.

  A drum 27 formed in a substantially cylindrical shape is fixed to the output shaft 26, and the cables 22 a and 22 b are wound around the outer peripheral surface of the drum 27 a plurality of times. As a result, when the electric motor 24 rotates in the forward direction, the drum 27 rotates clockwise, the cable 22a on the closing side is wound around the drum 27, and the sliding door 13 is pulled by the cable 22a to perform the closing operation. On the contrary, when the electric motor 24 reverses, the drum 27 rotates counterclockwise, the open cable 22b is wound around the drum 27, and the sliding door 13 is pulled by the cable 22b to open.

  The speed reducer 25 has an electromagnetic clutch (not shown). When the sliding door 13 is manually opened and closed, the electromagnetic clutch is turned off and the power transmission path between the electric motor 24 and the output shaft 26 is set. Thus, the slide door 13 can be opened and closed by a manual operation with a light load. Here, a tensioner mechanism (not shown) is provided between the drum 27 and the slide door 13, and the tension of each cable 22a, 22b is always kept constant by the tensioner mechanism.

  The speed reducer 25 includes an annular multipolar magnet 28 having a large number of magnetic poles magnetized in the circumferential direction, and the multipolar magnet 28 rotates integrally with the output shaft 26. In addition, two Hall ICs 29a and 29b are arranged in the vicinity of the multipolar magnetized magnet 28 of the speed reducer 25 with a predetermined phase difference therebetween. When the multi-pole magnetized magnet 28 rotates as the output shaft 26 rotates, a pulse signal with a predetermined period proportional to the rotation speed of the output shaft 26 is output from each Hall IC 29a, 29b.

  In order to control the rotation of the electric motor 24 in the forward and reverse directions, a control device (controller) 30 is electrically connected to the electric motor 24 via wiring. The control device 30 has a function as a so-called microcomputer having a microprocessor (CPU), a memory such as a ROM and a RAM (not shown), and the like, and sets the rotation direction and the rotation speed of the electric motor 24. Thus, the operation of the electric motor 24 is controlled.

  The Hall ICs 29a and 29b are electrically connected to the control device 30 via wiring, and the control device 30 is connected to the output shaft 26 based on a pulse signal having a predetermined period input from the Hall ICs 29a and 29b. The number of rotations, that is, the opening / closing speed of the slide door 13 is detected. The control device 30 detects the rotational direction of the electric motor 24, that is, the moving direction of the slide door 13, based on the appearance timing of the pulse signals from the Hall ICs 29a and 29b. Furthermore, the control device 30 detects the open / close position of the slide door 13 by counting the pulse signals from the Hall ICs 29a and 29b starting from the time when the slide door 13 is at the reference position (for example, the fully closed position). It has become.

  In order to command the opening / closing operation of the sliding door 13, the sliding door 13 is provided with a door handle 31 as an opening / closing switch. When the door handle 31 is operated by an occupant or the like, a command signal (trigger signal) is input to the control device 30. That is, the control device 30 calculates the opening / closing position, opening / closing speed, and the like of the slide door 13 based on the input of the command signal from the door handle 31 using the control program stored in the memory, and performs electric operation based on the calculation result. The rotation control of the motor 24 (open / close control of the slide door 13) is executed.

  For example, when the door handle 31 is operated when the slide door 13 is in the fully open state, the control device 30 receives the command signal from the door handle 31 and the slide door 13 is in the fully open position. Drive forward and move the slide door 13 in the fully closed direction. On the contrary, when the door handle 31 is operated when the slide door 13 is in the fully closed state, the control device 30 receives the command signal from the door handle 31 and the slide door 13 is in the fully closed position. Therefore, the electric motor 24 is driven in reverse to move the slide door 13 in the fully open direction.

  However, the door handle 31 is not limited to the two-position switch that can be switched to the ON-OFF state (two positions) as described above, but, for example, a three-position switch that can be switched to the OPEN-OFF-CLOSE state (three positions). It can also be adopted.

  As shown in FIG. 1, a touch sensor 40 is assembled to the front side of the slide door 13 in the vehicle body, that is, the end (moving direction end) that becomes the traveling direction side when the slide door 13 is closed. The touch sensor 40 extends over substantially the entire area of the slide door 13 in the vertical direction in the figure, and the touch sensor 40 is in contact with the obstacle (detected object) DA such as a load or the obstacle DA caused by the slide door 13. It is provided for detecting the pinching of.

  As shown in FIG. 2, the touch sensor 40 is mounted on a mounting stay 13 a provided integrally with the slide door 13. The mounting stay 13a is formed in a corrugated shape following the shape of the slide door 13, that is, the body shape of the vehicle body 11, and the touch sensor 40 can be deformed so as to be attached to the corrugated mounting stay 13a. Yes. Here, the slide door 13 and the mounting stay 13a constitute an object in the present invention.

  The touch sensor 40 includes a sensor holder 50 and a pressure sensitive sensor 70. The pressure-sensitive sensor 70 is formed in a cable shape, and is electrically connected to the control device 30 through wiring as shown in FIG. As a result, a short circuit signal generated when the pressure sensitive sensor 70 is elastically deformed is sent to the control device 30, and the control device 30 detects contact between the slide door 13 and the obstacle DA, or pinching of the obstacle DA by the slide door 13. can do.

  When receiving a short circuit signal from the pressure sensor 70, the control device 30 generates a warning sound from a piezoelectric sounder or the like (not shown), and further stops or reversely rotates the electric motor 24, for example. It comes to perform control.

  Hereinafter, the structure of the touch sensor 40 will be described in detail with reference to FIGS.

  The touch sensor 40 includes a sensor holder 50 that covers and surrounds the pressure sensor 70 to protect and hold the pressure sensor 70 and attach the pressure sensor 70 to the mounting stay 13a. The sensor holder 50 is formed in a long shape with a predetermined thickness so as to have flexibility by extruding an insulator such as rubber (EPDM (ethylene-propylene-diene rubber) or the like).

  The sensor holder 50 includes an attachment main body 51 for attaching the pressure sensor 70 to the attachment stay 13a. As shown in FIG. 4, the attachment main body 51 has a substantially U-shaped cross section, and is attached to the attachment stay 13a so as to straddle the attachment stay 13a.

  The attachment main body 51 includes a horizontal portion 52 extending in a direction orthogonal to the extending direction of the attachment stay 13a, and a first leg portion 53 and a second leg portion 54 that are integrally provided on both ends of the horizontal portion 52, respectively. Have. The leg portions 53 and 54 are suspended from both ends of the horizontal portion 52 toward the slide door 13, and the leg portions 53 and 54 face each other with the attachment stay 13 a interposed therebetween.

  A pair of retaining pieces 53a for preventing the touch sensor 40 from being detached from the mounting stay 13a is integrally provided on the mounting stay 13a side of the first leg portion 53, and each retaining piece 53a is provided on the first leg 53a. It is elastically deformed between the portion 53 and the mounting stay 13a, and the tip end side of each retaining piece 53a extends toward the horizontal portion 52 side.

  A concave portion (engaged portion) 54a into which the convex portion 58a of the sensor holding portion 58 enters is provided on the slide door 13 side of the attachment main body portion 51 and on the attachment stay 13a side of the second leg portion 54. By fitting the convex portion 58 a of the sensor holding portion 58 into the concave portion 54 a, the convex portion 58 a side of the sensor holding portion 58 can be firmly fixed to the second leg portion 54.

  A long metal core member 55 extending in the longitudinal direction of the sensor holder 50 is provided inside the attachment main body 51. The metal core member 55 is formed into a substantially U-shaped cross section by pressing a thin steel plate or the like, and is embedded in the mounting main body 51 when the sensor holder 50 is extruded. The cored bar member 55 can be deformed following the corrugated shape of the mounting stay 13a while reinforcing the mounting main body 51.

  A first wall portion 56 and a second wall portion 57 are integrally provided on the detected object side of the horizontal portion 52 forming the attachment main body portion 51, that is, on the opposite side to the attachment stay 13a side so as to protrude in a substantially vertical direction. It has been. Each of the wall portions 56 and 57 forms an attachment main body portion 51 and is opposed to each other so as to sandwich the pressure-sensitive sensor 70 therebetween. The protruding heights of the wall portions 56 and 57 from the horizontal portion 52 are set to substantially the same height. Here, the height dimension of each wall part 56,57 is set to the dimension substantially the same as the radial dimension of the pressure sensor 70, and each wall part 56,57 prevents the pressure sensor 70 from dropping off. .

  The first wall portion 56 is disposed at a substantially central portion of the horizontal portion 52, and is formed so as to gradually become thinner as the distance from the horizontal portion 52 increases. The thickness of the first wall portion 56 is thicker than the thickness of the sensor holding portion 58.

  The second wall portion 57 is disposed on the second leg portion 54 side of the horizontal portion 52, and is formed so as to be gradually thinned away from the horizontal portion 52. A first contact piece (contact piece) 57a is integrally formed on the distal end side of the second wall portion 57, and the first contact piece 57a is a state in which the sensor holding portion 58 is folded back to the second leg portion 54 side. In other words, the touch sensor 40 is brought into contact with the inside of the sensor holding portion 58 under the assembled state.

  As shown in FIG. 5, the first contact piece 57 a presses the sensor holding portion 58 from the inside to the outside with a predetermined pressing force f <b> 1, and the second wall portion 57 that forms the attachment main body portion 51 and the sensor It elastically deforms between the holding portion 58. That is, the first contact piece 57a contacts the sensor holding portion 58 of the second wall portion 57 in a state where the first contact piece 57a is not elastically deformed (non-deformed state) as shown on the right side of FIG. It protrudes to the sensor holding part 58 side from the surface CS.

  The first contact piece 57a is elastically deformed so as to be flush with the contact surface CS when the touch sensor 40 is assembled. Thereby, the pressing force f1 of the first contact piece 57a to the sensor holding portion 58 is larger than the pressing force of the other portion of the second wall portion 57 to the sensor holding portion 58. As described above, the first contact piece 57a is disposed between the second wall portion 57 and the sensor holding portion 58 in a state where the first contact piece 57a is elastically deformed. The sealing property on the pressure-sensitive sensor 70 side is ensured.

  A thin wall portion 57b formed thinner than the first contact piece 57a is provided on the proximal end side of the second wall portion 57 relative to the first contact piece 57a, and the thin wall portion 57b is as shown in FIG. In addition, the sensor holding portion 58 is not in contact with the touch sensor 40 in an assembled state. Thereby, the thin-walled portion 57b brings the first contact piece 57a into contact with a predetermined portion of the sensor holding portion 58 and concentrates the pressing force f1 on the first contact piece 57a so as to ensure sufficient sealing performance at the portion. I have to. Here, by setting the thin portion 57b to an arbitrary thickness dimension, the pressing force to the sensor holding portion 58 by the first contact piece 57a is arbitrarily adjusted, that is, the elastic deformation characteristic (seal characteristic) of the first contact piece 57a. Can be adjusted arbitrarily.

  One end of a sensor holding portion 58 that is set to a wall thickness smaller than the wall thickness of the first wall 56 is connected to the distal end side (the upper side in FIG. 4) of the first wall 56. One end of the sensor holding portion 58 is connected to the horizontal portion 52 via the first wall portion 56, and the other end of the sensor holding portion 58 is folded back to the second leg portion 54 side across the second wall portion 57. Yes. A sensor housing portion 59 in which the pressure-sensitive sensor 70 is housed is formed inside one end side of the sensor holding portion 58.

  A convex portion (engaging portion) 58a that engages with the concave portion 54a of the second leg portion 54 is integrally provided at the other end of the sensor holding portion 58, and the convex portion 58a can enter the concave portion 54a. Are formed in substantially the same shape.

  As shown on the right side in FIG. 6 (the tip of the white arrow), the second contact piece (substantially triangular) is formed on the concave portion 54a side of the convex portion 58a and in the extending direction of the second leg portion 54. The contact piece 58b (the part surrounded by the reference line) is integrally provided, and the second contact piece 58b is elastically deformed when the convex part 58a is engaged with the concave part 54a, that is, when the touch sensor 40 is assembled. It is like that. The convex portion 58a including the second contact piece 58b is fitted into the concave portion 54a by further folding back the other end of the sensor holding portion 58.

  The opposing surface 58c of the second contact piece 58b and the opposing surface 54b of the recess 54a are opposed to each other in the extending direction of the second leg portion 54, and the opposing surfaces 58c and 54b are as shown in FIG. In the assembled state of the touch sensor 40, the second leg 54 side is inclined downward in the drawing.

  The opposing surface 58c of the second contact piece 58b has a predetermined angle α ° (for example, 10 °) with the second leg 54 side facing downward in the figure under the non-deformed state of the second contact piece 58b. It is inclined. On the other hand, the facing surface 54b of the recess 54a is horizontal (inclination angle 0 °). Thereby, when the convex part 58a is fitted into the concave part 54a, the second leg part 54 side of the second contact piece 58b presses the opposing surface 54b with the pressing force f2, and opposes as the distance from the second leg part 54 increases. The pressing forces f3 and f4 that press the surface 54b are gradually reduced (f2> f3> f4). Here, the value of the pressing force f2 is set to a value smaller than or substantially the same as the value of the pressing force f1 by the first contact piece 57a (f2 <f1 or f2≈f1).

  Thus, by arranging the second contact piece 58b between the second leg portion 54 and the sensor holding portion 58 in a state of being elastically deformed, the engagement portion between the concave portion 54a and the convex portion 58a is arranged. Sealing performance is secured. Further, the second leg 54 side of the opposing surface 58c of the second contact piece 58b is inclined at a predetermined angle α ° toward the lower side in the drawing, so that the sealing portion can be secured and the convex portion 58a can be secured. Dropping from the recess 54a is prevented.

  As shown in FIG. 7, the other end (upper end in the drawing) of the convex portion 58 a faces the horizontal portion 52 of the attachment main body 51, and a third contact piece (contact) provided integrally with the horizontal portion 52. Piece) It is arranged between the 52a and the second leg 54. The third contact piece 52a is integrally provided near the second leg portion 54 between the first leg portion 53 and the second leg portion 54 of the horizontal portion 52 (see FIG. 4). As shown on the right side in FIG. 7 (the tip of the white arrow), the width dimension W1 of the other end of the convex portion 58a is larger than the width dimension W2 between the third contact piece 52a and the second leg portion 54. The dimensions are set (W1> W2), whereby the third contact piece 52a presses the convex portion 58a toward the second leg portion 54 with the pressing force f5. Here, the value of the pressing force f5 is set to a value smaller than or substantially the same as the value of the pressing force f1 by the first contact piece 57a (f5 <f1 or f5≈f1).

  The third contact piece 52a is elastically deformed between the horizontal part 52 forming the attachment main body part 51 and the convex part 58a forming the sensor holding part 58 under the assembled state of the touch sensor 40, and the attachment main body The sealing property on the side opposite to the pressure-sensitive sensor 70 side between the part 51 and the sensor holding part 58, that is, the inlet side where moisture W such as rain water (broken arrow in the figure) can enter is secured. The third contact piece 52a sandwiches the other end of the convex portion 58a between the second leg portion 54 and prevents the convex portion 58a from falling off from the concave portion 54a in addition to ensuring the sealing property.

  Here, an intrusion path P through which moisture W can enter is formed between the attachment main body 51 and the sensor holding portion 58. However, since the third contact piece 52a, the second contact piece 58b, and the first contact piece 57a are arranged in the intrusion path P from the inlet side as described above, the sensor housing portion via the intrusion path P. Intrusion of moisture W into 59 can be reliably prevented.

  On the mounting stay 13a side of the convex portion 58a, three retaining pieces 58d for preventing the touch sensor 40 from coming off from the mounting stay 13a are integrally provided. Each retaining piece 58d is attached to the convex portion 58a. It is elastically deformed between the stay 13a and the leading end side of each retaining piece 58d extends toward the horizontal portion 52 side.

  With the projection 58a of the sensor holding part 58 fitted in the recess 54a of the second leg 54, the touch sensor 40 is attached to the attachment stay 13a, so that the protrusion 58a is recessed by the attachment stay 13a. As a result, the convex portion 58a and the concave portion 54a are firmly fixed without coming off. Further, there is no deviation (slack) between the convex portion 58a and the concave portion 54a due to the step engagement.

  As shown in FIG. 4, the hook portion 60 that holds the first lead wire 71 a and the second lead wire 71 b extending from the end portion of the pressure-sensitive sensor 70 is integrally formed on the convex portion 58 a side of the sensor holding portion 58. Is provided. The hook portion 60 is provided along the longitudinal direction of the sensor holder 50, and the tip end side of the hook portion 60 is extended in the extending direction of the second leg portion 54 and is further curved toward the attachment stay 13a side. Yes. Thereby, the hook part 60 can hold | maintain each lead wire 71a, 71b. Further, the hook portion 60 covers the lead wires 71a and 71b when the touch sensor 40 is attached to the mounting stay 13a (see FIG. 2).

  The portion from the boundary portion BD1 on one end side of the sensor holding portion 58 to the boundary portion BD2 on the hook portion 60 side, that is, the range portion A indicated by the one-dot chain line arrow in the figure has a hardness higher than that of the other portions constituting the sensor holder 50. It is set low (soft). That is, the rigidity of the range portion A in the sensor holding portion 58 is weakened, and is easily deformed when an external force is applied to the portion. Thereby, sufficient detection sensitivity of the pressure-sensitive sensor 70 is ensured.

  A pressure sensitive sensor 70 is accommodated in the sensor accommodating portion 59, and the center position of the pressure sensitive sensor 70 is offset by a predetermined amount from the central position of the mounting stay 13a toward the interior of the vehicle body 11 (right side in FIG. 4). Yes. In this way, the pressure sensor 70 is offset by a predetermined amount from the center position of the mounting stay 13a, so that the touch sensor 40 is retracted when the slide door 13 is pulled into the vehicle body 11 at the end of the closing operation of the slide door 13. Is prevented from contacting the pillar 11a (see FIG. 1) forming the vehicle body 11. Thereby, unnecessary elastic deformation of the touch sensor 40 is avoided, and malfunction or early deterioration of the touch sensor 40 is prevented.

  As shown in FIGS. 8A and 8B, the pressure sensor 70 includes an inner electrode (first conductive member) 72 and an outer electrode (second conductive member) 73. The inner electrode 72 is formed in a linear shape (cylindrical shape) from conductive rubber (EPDM or the like) having flexibility and conductivity. The outer electrode 73 is formed in a hollow shape (tube shape) from the same conductive rubber as the inner electrode 72, and is arranged coaxially with the inner electrode 72 on the outer peripheral side of the inner electrode 72.

  Between the inner electrode 72 and the outer electrode 73, for example, three spacer members (elastic members) 74 formed in a spiral shape by an insulator such as rubber are disposed. A gap is formed between the outer electrode 73 and the outer electrode 73. The spacer members 74 are arranged at equal intervals in the circumferential direction, so that the gap dimension between the inner electrode 72 and the outer electrode 73 at each position in the longitudinal direction and the circumferential direction of the pressure sensor 70 is substantially reduced. It is trying to make it uniform.

  During normal times when the external force F indicated by the broken line arrow is not applied, that is, when the obstacle DA (see FIG. 1) is not in contact, the inner electrode 72 and the outer electrode 73 are regulated from contact with each other by the spacer members 74. It is electrically insulated. On the other hand, when an external force F is applied, that is, when the obstacle DA is in contact, the contact between the inner electrode 72 and the outer electrode 73 through the gap between the adjacent spacer members 74 while the spacer members 74 are elastically deformed. Is acceptable.

  A first lead wire 71a is embedded in the inner electrode 72 along the longitudinal direction thereof. The first lead wire 71 a is in contact with and electrically connected to the inner electrode 72, penetrates the inner electrode 72 in the longitudinal direction, and one end thereof is electrically connected to the control device 30.

  Three second lead wires 71b are embedded in the outer electrode 73 at equal intervals in the circumferential direction. As shown in FIG. 8A, the second lead wires 71b are positioned between the spacer members 74 arranged around the first lead wire 71a, and spiral at the same pitch as the spacer members 74. Arranged in a shape. That is, the spacer members 74 and the second lead wires 71b are arranged alternately and at equal intervals along the circumferential direction around the first lead wire 71a.

  Each of the second lead wires 71b is in contact with and electrically connected to the outer electrode 73, penetrates the outer electrode 73 in the longitudinal direction, and one end thereof is electrically connected to the control device 30. When the outer electrode 73 comes into contact with the inner electrode 72 by the external force F, each second lead wire 71 b is short-circuited to the first lead wire 71 a via the outer electrode 73 and the inner electrode 72.

  Next, detection of the contact (clamping) of the obstacle DA by the pressure sensor 70 will be described.

  When the sliding door 13 is closed, for example, when the obstacle DA contacts the end of the sensor holder 50 as shown in FIG. 1, the outer electrode 73 of the sensor holder 50 and the pressure sensor 70 is deformed. The outer electrode 73 contacts the inner electrode 72 (see the broken line portion in FIG. 8A). Here, the deformation amount of the pressure-sensitive sensor 70 is regulated to a predetermined amount by the wall portions 56 and 57 (see FIG. 4) of the sensor holder 50. As a result, the pressure-sensitive sensor 70 is elastically deformed more than necessary. The lead wires 71a and 71b are prevented from being disconnected.

  When the outer electrode 73 contacts the inner electrode 72, the lead wires 71a and 71b are short-circuited via the electrodes 72 and 73, and a short-circuit current flows through the lead wires 71a and 71b. The short circuit current becomes a detection signal, and the control device 30 detects the contact of the obstacle DA. Thereafter, the control device 30 stops or opens the slide door 13, thereby preventing the obstacle DA from being caught by the slide door 13.

  Since the pressure-sensitive sensor 70 is provided with the substantially uniform gap between the inner electrode 72 and the outer electrode 73 as described above, the obstacle DA is disposed in the circumferential direction with respect to the pressure-sensitive sensor 70. Regardless of the direction of contact, there is no significant difference in detection sensitivity, and the pinching detection accuracy does not decrease.

  Next, the manufacturing method and evaluation result of the touch sensor 40 will be described in detail with reference to the drawings.

  9 is an explanatory diagram for explaining the manufacturing process of the sensor holder, FIGS. 10 (a) and 10 (b) are explanatory diagrams for explaining the assembly process of the touch sensor, and FIG. 11 is an explanatory diagram for explaining the evaluation result of the touch sensor. Respectively.

[Manufacturing process of sensor holder]
The sensor holder 50 is formed in two colors by an unillustrated extruder. The sensor holder 50 is formed in a shape shown in FIG. 9, that is, a shape in which the attachment main body 51 and the convex portion 58a are connected by a connecting portion CP (black dot in the drawing). Thereby, even if the sensor holder 50 is in a soft state after extrusion molding, the sensor holding portion 58 can be prevented from sagging under its own weight and deformed.

  On the inlet side of a mold (not shown) forming the extrusion molding machine, a core metal supply device (not shown) for feeding the core metal member 55 into the mold and two types of molten rubber materials (molding material, A pair of molten rubber supply devices (not shown) for feeding each of them to the mold is provided. Of a pair of molten rubber supply devices, one molten rubber supply device supplies a rubber material containing a small amount of bubbles (fine foam rubber), and the other molten rubber supply device supplies a rubber material containing a large amount of bubbles (foaming). Rubber).

  As a result, the portion (range portion A) from the boundary portion BD1 to the boundary portion BD2 in the sensor holding portion 58 of the sensor holder 50 is molded to a low hardness (for example, a hardness of 60 degrees) with foamed rubber. This portion can be molded with a fine foam rubber to a high hardness (for example, a hardness of 80 degrees).

  And after extruding the sensor holder 50, it cut | disconnects to a predetermined length dimension (length dimension of the attachment stay 13a). Further, the connecting portion CP between the mounting main body 51 and the convex portion 58a is cut along the longitudinal direction of the sensor holder 50 by using a cutting tool (not shown) such as scissors or a cutter, whereby a folded structure sensor. The holder 50 is completed. If the thickness dimension of the connecting portion CP is reduced, the connecting portion CP can be cut by hand. However, the thickness dimension of the connecting portion CP is set to a thickness dimension that can prevent the sensor holding portion 58 from sagging under its own weight under a soft state of the sensor holder 50 after extrusion molding.

[Assembly process of touch sensor]
Next, the pressure sensor 70 is assembled to the completed sensor holder 50 to assemble the touch sensor 40.

  First, as shown in FIG. 10A, a sensor holder 50 and a pressure sensor 70 assembled in a separate process are prepared. Next, the sensor holding portion 58 is bent in the direction of the broken line arrow (1) to open a space between the sensor holding portion 58 and the attachment main body portion 51. Thereafter, the sensor accommodating portion 59 between the first wall portion 56 and the second wall portion 57 is sensed from the opening portion between the sensor holding portion 58 and the attachment main body portion 51 as indicated by a broken line arrow (2). The pressure sensor 70 is accommodated.

  At this time, the pressure-sensitive sensor 70 is gradually mounted between the wall portions 56 and 57 from one end side to the other end side. When the other end side of the pressure sensor 70 is mounted between the wall portions 56 and 57, the one end side of the pressure sensor 70 is supported by the second wall portion 57. Will not fall off. Further, the pressure sensor 70 is not twisted or bent.

  Next, as shown by a broken line arrow (3) in FIG. 10B, the sensor holding portion 58 is folded back toward the second leg portion 54 so as to wrap the pressure sensor 70. At this time, along with the folding of the sensor holding portion 58, the convex portion 58a side of the sensor holding portion 58 is bent as shown by a broken line arrow (4), and subsequently, as shown by a broken line arrow (5). The convex portion 58 a of the holding portion 58 is fixed to the concave portion 54 a of the second leg portion 54. Thereby, the assembly work of the pressure-sensitive sensor 70 to the sensor holder 50 is completed, and the touch sensor 40 is completed.

  At this time, the first contact piece 57a, the second contact piece 58b, and the third contact piece 52a are elastic in the intrusion path P (see FIG. 4) formed between the attachment main body 51 and the sensor holding part 58, respectively. Therefore, the sealing of the intrusion path P is ensured together with the assembly of the touch sensor 40.

  In order to attach the completed touch sensor 40 to the slide door 13, the mounting stay 13 a enters between the first leg 53 of the touch sensor 40 and the second leg 54 including the convex part 58 a of the sensor holding part 58. Like that. At this time, each retaining piece 53a, 58d is elastically deformed between the attachment stay 13a (see FIG. 4). 10B, the hook portion 60 is bent, and the lead wires 71a and 71b are hooked on the hook portion 60, and lead wire insertion holes (not shown) of the slide door 13 are shown. 2), the leading ends of the lead wires 71a and 71b are inserted and electrically connected to the control device 30. Thereby, mounting | wearing to the slide door 13 of the touch sensor 40 is completed.

[Evaluation result of touch sensor]
Next, an evaluation result of followability (whether or not wrinkles are generated) with respect to bending deformation of the touch sensor 40 will be described. Three prototypes A to C were prepared for the evaluation. The attachment main body 51 of each of the prototypes A to C was made of fine foamed rubber (hardness 80 degrees) containing a small amount of bubbles, and the hardness of the sensor holding part 58 was varied. In the prototype A, the sensor holding portion 58 is made of sponge (foaming density 0.7 g / cm 3), in the prototype B, the sensor holding portion 58 is made of foam rubber (hardness 60 degrees), and in the prototype C, the sensor holding portion 58 is made of fine foam rubber. (Hardness 80 degrees). That is, the softness of the sensor holding portion 58 becomes softer in the order of fine foam rubber, foam rubber, and sponge.

  Moreover, the bending deformation of each prototype A to C was performed under the following two conditions.

Condition 1: Bending direction a (forward bending)
A jig T1 having a radius of 10.0 mm (R10.0) is disposed on the first leg 53 side, and the prototypes A to C are bent and deformed along the jig T1.

Condition 2: Bending direction b (reverse bending)
A jig T2 having a radius of 12.5 mm (R12.5) is arranged on the second leg 54 side, and the prototypes A to C are bent and deformed along the jig T2.

  Here, jigs T1 and T2 having different radial dimensions in the bending directions a and b are used. However, the bending radius of the pressure-sensitive sensor 70 is the target bending radius regardless of whether the bending direction is forward or reverse. This is to achieve 15.0 mm (R15.0). Moreover, since the bending angle (waveform shape angle) of the mounting stay 13a (see FIG. 4) in the slide door 13 is 90 ° at the maximum in the standard, the appearance was observed with the bending angle being 90 °.

  Among the prototypes A to C, it was found that the prototypes A and B have no wrinkles on the appearance and good bending characteristics can be obtained. Therefore, it was found that the prototypes A and B can correspond to sliding doors of all shapes. Further, the detection sensitivity of the pressure-sensitive sensor 70 is advantageous in the prototypes A and B because the sensor holding portion 58 is easily deformed. By the way, when prototypes A and B are bent and deformed to a bending angle of 180 ° (reference), some wrinkles are observed in prototype A and wrinkles can be observed in prototype B. There wasn't. Therefore, it turned out that the prototype B is the one that can endure most use.

  As described above in detail, according to the first embodiment, the sensor holder 50 is folded, and the attachment main body 51 and the sensor holding portion 58 are provided with the first contact piece 57a, the second contact piece 58b, and the third contact. Since the piece 52a is provided and each contact piece 57a, 58b, 52a is elastically deformed between the attachment main body 51 and the sensor holding part 58, the sealing property between the attachment main part 51 and the sensor holding part 58 is improved. Can be secured. Therefore, it is possible to suppress the moisture W from entering the sensor housing portion 59 via the folded portion of the sensor holding portion 58, that is, the intrusion path P, and to prevent the pressure sensitive sensor 70 from being exposed to the moisture W. It becomes possible to maintain the sensitivity of the pressure-sensitive sensor 70 for a long period of time.

  In addition, according to the first embodiment, the first wall 56 to which one end of the sensor holding portion 58 is connected to the obstacle DA side of the attachment main body 51, and the sensor housing 59 together with the first wall 56. Since the second wall portion 57 to be formed is provided and the first contact piece 57a is provided on the distal end side of the second wall portion 57, the seal on the pressure-sensitive sensor 70 side between the attachment main body portion 51 and the sensor holding portion 58 is provided. Sex can be secured. Therefore, even if moisture W enters the intrusion path P, the first contact piece 57a can prevent the moisture W from entering the sensor housing portion 59.

  Furthermore, according to the first embodiment, since the thin wall portion 57b set thinner than the first contact piece 57a is provided on the proximal end side of the second wall portion 57 relative to the first contact piece 57a, The elastic deformation characteristics (seal characteristics) of the one contact piece 57a can be adjusted. Therefore, the seal characteristic of the first contact piece 57a can be optimized in accordance with the hardness (softness) of the sensor holding portion 58.

  In addition, according to the first embodiment, since the second contact piece 58b is provided on the concave portion 54a side of the convex portion 58a, it is possible to ensure the sealing performance at the engaging portion between the convex portion 58a and the concave portion 54a. Accordingly, it is possible to more reliably suppress the moisture W from entering the sensor housing portion 59 via the intrusion path P.

  Furthermore, according to the first embodiment, the first leg portion 53 and the second leg portion 54 that are opposed to each other with the mounting stay 13 a interposed therebetween are provided on the mounting portion 13 a side of the horizontal portion 52. Since the third contact piece 52a is provided between the leg portion 53 and the second leg portion 54, a sealing property on the side opposite to the pressure-sensitive sensor 70 side between the attachment main body portion 51 and the sensor holding portion 58 is secured. can do. Therefore, it is possible to improve the sealing property on the inlet side where the water W in the intrusion path P can enter, and to more reliably prevent the water W from entering the sensor housing portion 59.

  Further, according to the first embodiment, the range portion A of the sensor holding portion 58 is formed of a molding material (low-hardness foamed rubber) that is softer than the other portions of the sensor holder 50, so the first contact piece 57a. The sealing performance due to can be improved.

  Next, a second embodiment of the present invention will be described in detail with reference to the drawings. In addition, the same code | symbol is attached | subjected to the part which has the same function as 1st Embodiment mentioned above, and the detailed description is abbreviate | omitted.

  FIG. 12 is an explanatory view for explaining the detailed structure of the touch sensor according to the second embodiment, and FIG. 13 is a partially enlarged view showing an enlarged portion indicated by an arrow III in FIG.

  As shown in FIG. 12, the touch sensor 40 according to the second embodiment is provided with a third contact piece 80 on the convex portion 58 a of the sensor holding portion 58. The third contact piece 80 is formed thin, and can be disposed between the first leg portion 53 and the second leg portion 54 in a state where the touch sensor 40 is assembled. The third contact piece 80 is provided integrally with the convex portion 58 a when the sensor holder 50 is extruded and formed on the other end side of the convex portion 58 a along the longitudinal direction of the sensor holder 50.

  The width dimension W3 of the third contact piece 80 is set to be larger than the width dimension W4 between the first leg portion 53 and the second leg portion 54 (W3> W4). Accordingly, the third contact piece 80 is provided so as to be stretched between the first leg portion 53 and the second leg portion 54 in a state in which the touch sensor 40 is assembled. The leg 53 is pressed. Here, the value of the pressing force f6 is set to a value smaller than or substantially the same as the value of the pressing force f1 by the first contact piece 57a (f6 <f1 or f6≈f1).

  The third contact piece 80 has the same function as the third contact piece 52a in the first embodiment, and the first leg portion 53 that forms the attachment main body portion 51 and the convex portion 58a that forms the sensor holding portion 58. As well as ensuring the sealing performance between the convex portion 58a and the concave portion 54a, the convex portion 58a is prevented from falling off. The third contact piece 80 is sandwiched between the horizontal portion 52 and the mounting stay 13a in a state where the touch sensor 40 is mounted on the slide door 13.

  Also in the second embodiment formed as described above, the same effects as those in the first embodiment described above can be achieved.

  It goes without saying that the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention. For example, in the above embodiments, the touch sensor 40 is attached to the mounting stay 13a of the slide door 13. However, the present invention is not limited to this, and the mounting stay provided on the opening 12 side of the vehicle body 11 is not limited thereto. The touch sensor 40 can also be attached to (not shown).

  In each of the above embodiments, the slide door 13 is shown as the object. However, the present invention is not limited to this, and the opening and closing body such as a hinged door, back door, window glass, sunroof, trunk lid, etc. And the touch sensor 40 may be attached to these objects. Moreover, you may make it attach the touch sensor 40 to the edge part of the said opening part by making the opening part opened and closed by these opening / closing bodies into a target object.

  Further, in each of the above embodiments, the pressure-sensitive sensor has been shown to be elastically deformed by contact with the obstacle DA and generate a short-circuit signal due to a short circuit between the lead wires 71a and 71b. For example, a piezoelectric element (piezo element) that generates a predetermined voltage when an external force is applied can be used as the pressure-sensitive sensor.

  Moreover, in each said embodiment, when the sensor holder 50 was extrusion-molded, what showed the state which connected the attachment main-body part 51 and the convex part 58a with the connection part CP was shown, but this invention corresponds to this. For example, as shown in FIG. 9, the attachment main body 51 and the bent portion BP (black dot in the figure) on the hook portion 60 side of the convex portion 58 a can be connected. In this case, extrusion molding can be performed in a state where the bending angle of the sensor holding portion 58 is reduced, and the extrusion molding machine can be made compact.

  Further, in each of the above-described embodiments, the first to third contact pieces 57a, 58b, and 52a are arranged between the attachment main body 51 and the sensor holding portion 58 so as to be elastically deformable. The invention is not limited to this, and at least one of the first to third contact pieces 57a, 58b, and 52a is provided according to the level of the environment in which the touch sensor 40 is provided (whether or not it is easy to receive water). You can also.

  Moreover, in each said embodiment, although what provided the 2nd contact piece 58b in the convex part 58a was shown, this invention is not restricted to this, A 2nd contact piece can also be provided in the recessed part 54a. In this case, with the convex portion 58a fitted in the concave portion 54a, the opposing surface of the convex portion 58a and the opposing surface of the concave portion 54a are inclined in the same manner as in the above embodiments (FIG. 4). , 12).

DESCRIPTION OF SYMBOLS 10 Vehicle 11 Car body 11a Pillar 12 Opening part 13 Sliding door (object)
13a Mounting stay (object)
DESCRIPTION OF SYMBOLS 14 Roller assembly 15 Guide rail 15a Bending part 20 Opening and closing device 21 Drive unit 22a, 22b Cable 23a, 23b Reverse pulley 24 Electric motor 25 Reduction gear 26 Output shaft 27 Drum 28 Multipole magnetized magnet 29a, 29b Hall IC
30 Control Device 31 Door Handle 40 Touch Sensor 50 Sensor Holder 51 Mounting Main Body 52 Horizontal Part (Mounting Main Body)
52a Third contact piece (contact piece)
53 1st leg (mounting body)
53a Retaining piece 54 Second leg (mounting body)
54a Concavity (engaged part)
54b Opposing surface 55 Core metal member 56 First wall (mounting body)
57 Second wall (mounting body)
57a First contact piece (contact piece)
57b Thin part 58 Sensor holding part 58a Convex part (engagement part)
58b Second contact piece (contact piece)
58c Opposing surface 58d Retaining piece 59 Sensor housing portion 60 Hook portion 70 Pressure sensor 71a First lead wire 71b Second lead wire 72 Inner electrode (first conductive member)
73 Outer electrode (second conductive member)
74 Spacer member (elastic member)
80 Third contact piece (contact piece)
A Range part BD1, BD2 Boundary part BP Bending part CP Connection part CS Contact surface DA Obstacle (Detected object)
F External force P Penetration path T1, T2 Jig W Moisture f1-f6 Pressing force

Claims (16)

A sensor holder for holding a pressure-sensitive sensor formed in a cable shape for detecting contact of an object to be detected,
An attachment body for attaching the pressure sensitive sensor to an object;
One end is connected to the detected object side of the attachment main body, and the other end is folded back to the object side of the attachment main body,
An engaged portion provided on the object side of the attachment main body;
An engaging portion provided at the other end of the sensor holding portion and engaged with the engaged portion;
A sensor accommodating portion that is provided between one end side of the sensor holding portion and the attachment main body, and accommodates the pressure-sensitive sensor;
A sensor holder comprising: a contact piece that is provided on at least one of the attachment main body part and the sensor holding part and elastically deforms between the attachment main body part and the sensor holding part.   2. The sensor holder according to claim 1, wherein the attachment main body protrudes toward the object to be detected, and protrudes toward the object to be detected, a first wall part to which one end of the sensor holding part is connected, and the first object. A sensor holder, comprising: a second wall portion that forms the sensor housing portion together with a wall portion; and the contact piece is formed on a distal end side of the second wall portion.   The sensor holder according to claim 2, wherein a thin-walled portion set thinner than the contact piece is provided on a proximal end side of the contact piece of the second wall portion.   4. The sensor holder according to claim 1, wherein at least one of the engagement portion side of the engagement portion and the engagement portion side of the engagement portion is provided with the contact. A sensor holder comprising a piece.   5. The sensor holder according to claim 1, wherein a first leg portion and a second leg portion that are opposed to each other with the object interposed therebetween are provided on the object side of the attachment main body portion, and the attachment main body is provided. A sensor holder, wherein the contact piece is provided between the first leg portion and the second leg portion.   The sensor holder according to any one of claims 1 to 4, wherein a first leg portion and a second leg portion that are opposed to each other with the object interposed therebetween are provided on the object side of the attachment main body portion, and the engagement is performed. The sensor holder is characterized in that the contact piece is provided in a portion so as to be disposed between the first leg portion and the second leg portion.   The sensor holder according to claim 1, wherein the sensor holding portion is formed of a molding material that is softer than other portions.   The sensor holder according to any one of claims 1 to 7, wherein the object is a slide door that is provided on a side surface of the vehicle and moves in a front-rear direction of the vehicle, and the pressure-sensitive sensor is provided on the slide door. A sensor holder, which is assembled to an end portion in the moving direction and detects the pinching of the object to be detected. A touch sensor having a pressure sensor formed in a cable shape for detecting contact of an object to be detected, and a sensor holder for holding the pressure sensor,
The pressure sensor,
A flexible first conductive member;
A first lead wire provided in the first conductive member along a longitudinal direction thereof and electrically contacting the first conductive member;
A flexible second conductive member;
A second lead wire provided in the second conductive member along the longitudinal direction thereof and electrically contacting the second conductive member;
Provided between the first conductive member and the second conductive member, the contact between the first conductive member and the second conductive member is regulated when the detected object is not in contact, and the detected object is contacted Sometimes formed from an elastic member that allows contact between the first conductive member and the second conductive member,
The sensor holder,
An attachment body for attaching the pressure sensitive sensor to an object;
One end is connected to the detected object side of the attachment main body, and the other end is folded back to the object side of the attachment main body,
An engaged portion provided on the object side of the attachment main body;
An engaging portion provided at the other end of the sensor holding portion and engaged with the engaged portion;
A sensor accommodating portion that is provided between one end side of the sensor holding portion and the attachment main body, and accommodates the pressure-sensitive sensor;
A touch sensor, comprising: a contact piece that is provided on at least one of the attachment main body part and the sensor holding part and elastically deforms between the attachment main body part and the sensor holding part.   10. The touch sensor according to claim 9, wherein the attachment main body portion protrudes toward the detected object side, protrudes toward the detected object side, a first wall portion to which one end of the sensor holding portion is connected, and the first object portion. And a second wall portion that forms the sensor housing portion together with the wall portion, and the contact piece is formed on a distal end side of the second wall portion.   The touch sensor according to claim 10, wherein a thin-walled portion set thinner than the contact piece is provided on a proximal end side of the contact piece of the second wall portion.   12. The touch sensor according to claim 9, wherein at least one of the engagement portion side of the engagement portion and the engagement portion side of the engagement portion is provided with the contact. A touch sensor provided with a piece.   The touch sensor according to any one of claims 9 to 12, wherein a first leg portion and a second leg portion that are opposed to each other with the object interposed therebetween are provided on the object side of the attachment main body portion, and the attachment main body is provided. The touch sensor is characterized in that the contact piece is provided between the first leg portion and the second leg portion.   The touch sensor according to any one of claims 9 to 12, wherein a first leg portion and a second leg portion that are opposed to each other with the object interposed therebetween are provided on the object side of the attachment main body portion, and the engagement is performed. The touch sensor is characterized in that the contact piece is provided in a portion so as to be disposed between the first leg portion and the second leg portion.   The touch sensor according to claim 9, wherein the sensor holding portion is formed of a molding material that is softer than other portions.   The touch sensor according to any one of claims 9 to 15, wherein the object is a slide door that is provided on a side surface of the vehicle and moves in the front-rear direction of the vehicle, and the pressure-sensitive sensor is provided on the slide door. A touch sensor, which is assembled at an end portion in a moving direction, and detects pinching of the detected object.

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