JP2012131285A - Assist grip - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inexpensively provide an assist grip capable of eliminating a hitting sound of a grip body, without installing a separate part.SOLUTION: A locking piece part 23 locked on a spring locking part 17 arranged in an end part of the grip body 1, is arranged in one end part of a torsion coil spring 7. While arranging an engaging piece part 24 engaging with a spring engaging part 15 arranged in a hinge part 3 in the vicinity of the other end part of the torsion coil spring 7, a shock absorbing part 25 is arranged in an extended part of the engaging piece part 24 of the torsion coil spring 7. The shock absorbing part 25 absorbs a shock to the hinge part 3 of the grip body 1 by abutting on a part of the grip body 1 when returnably rotating the grip body 1 to the nonuse side from a use state.

Description

  The present invention relates to an assist grip attached to a ceiling surface or the like in an automobile interior, and more particularly to an assist grip that fixes a grip body to a fixed portion in a vehicle via a hinge portion so as to be rotatable.

  An assist grip is attached to the ceiling surface in the automobile room so that the passenger can support the body in the room. As this type of assist grip, legs are formed on both sides of the grip body, the legs are pivotably attached to the mounting base via the shaft, and the grip body can be pivoted via the mounting bases on both sides. Japanese Patent Application Laid-Open No. H11-228707 discloses a structure in which a torsion coil spring is mounted to urge the grip main body into a retracted state (non-use state) with respect to the mounting base.

  This assist grip is used when the user holds the grip body and rotates it until it is in use, and when the user finishes the use and releases the hand from the grip body, the grip body is retracted by the biasing force of the torsion coil spring (not used) State). At this time, if there is no braking mechanism in the rotating part of the grip body, when the grip body returns to the retracted position, the grip body hits another part by the biasing force of the spring, and a hitting sound is generated.

  For this reason, in this type of rotating assist grip, a friction resistance type braking member is attached between the grip body and the mounting base, or a cushion material is provided at a position where a part of the grip main body comes into contact with the mounting base during storage. Or an oil damper is provided on the shaft portion of one of the mounting bases so that the grip body can be stored while being braked during storage.

Japanese Patent No. 3610535

  However, the frictional resistance braking member, cushioning material, or oil damper must be attached to the assist grip as a separate part, which increases the number of parts and the number of parts to be attached, leading to an increase in manufacturing cost. is there.

  The present invention solves the above-described problems, and an object of the present invention is to provide an assist grip that can eliminate the hitting sound of the grip body at low cost without attaching separate parts.

  An assist grip according to the present invention has a pair of grip bodies each provided with hinge attachment portions at the bases at both left and right ends, and hinge bodies that are rotatably attached to the hinge attachment portions on both sides via pivots. And a torsion coil spring that is attached to the outer periphery of the pivot of the hinge body and biases the grip body toward the non-use side, and resists the biasing force of the torsion coil spring. In the assist grip to be used by rotating the grip body, the one end portion of the torsion coil spring is provided with a locking piece portion that is locked to a spring locking portion provided at an end portion of the grip body, In the vicinity of the other end portion of the torsion coil spring, an engagement piece portion that engages with a spring engagement portion provided in the hinge body of the hinge portion is provided, while an extension portion of the engagement piece portion of the torsion coil spring is provided. A buffer portion is provided, and the grip body When pivoted back from the use state to the non-use side, a portion of the grip body is in contact with the buffer unit, characterized by buffering the impact applied to the hinge portion of the grip body.

  According to the present invention, when the grip body is returned from the use state to the non-use side and rotated, a part of the grip body comes into contact with the buffer portion of the torsion coil spring to buffer the impact on the hinge portion of the grip body. Therefore, the hitting sound of the grip body can be eliminated at a low cost without attaching another part.

  Here, the torsion coil spring has a first coil portion wound in one direction and a second coil portion wound in the other direction, and one end of the first coil portion and the second coil portion. The engaging piece portion is provided in the vicinity of the other ends of the first coil portion and the second coil portion, and the buffer portion is provided at an extended portion of the engaging piece portion. Is preferably provided continuously with the first coil portion and the second coil portion.

  According to the present invention, since the buffer portion is continuously provided in the extending portion of the engagement piece portion between the first coil portion and the second coil portion, the continuous buffer portion is applied to a part of the grip body. Thus, the impact when the grip body returns to the non-use state can be effectively and reliably buffered, and the hitting sound can be eliminated.

  The hinge portion is preferably configured by fitting a cover on the front side of the hinge body, and the buffer portion of the torsion coil spring is projected from the opening provided in the cover to the front side.

  According to the present invention, only the buffer portion of the torsion coil spring is exposed from the hinge portion, and the hitting sound when the grip body is not used can be prevented while maintaining the good appearance of the hinge portion.

  According to the assist grip of the present invention, it is possible to eliminate the hitting sound when the grip body returns to the non-use state at low cost without attaching another part.

It is a perspective view from the back side of an assist grip which shows one embodiment of the present invention. It is a disassembled perspective view of an assist grip. It is a disassembled perspective view of the hinge part of an assist grip. It is the front view (a) and right view (b) of a torsion coil spring. It is a perspective view from the front side of the hinge main body of a hinge part. It is the left view (a) of a cover and a hinge main body, and the left view (b) of the state which covered the cover on the hinge main body. It is sectional drawing of a hinge main body. It is sectional drawing of the assist grip which used the grip main body. It is sectional drawing of the assist grip which made the grip main body a non-use state.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a perspective view of the assist grip as viewed from the back side. The front, back, left and right and up and down directions used in the following description are based on the case when the assist grip in the mounted position is viewed from the front. FR shown is front (front side), RE is rear (back side), UP is upper side, DO is lower side, RI is right side, and LE is left side.

  In FIGS. 1 and 2, reference numeral 1 denotes a grip body integrally formed of synthetic resin, and hinge mounting portions 11 and 12 are formed as substantially rectangular recesses on the rear surfaces of the base portions provided at the left and right ends of the grip body 1. Has been. Shaft holes 13 and 14 are formed in the left and right side wall portions in the hinge mounting portions 11 and 12 on both sides, respectively, and the pivot shaft 8 and the shaft holes 32 provided in the support pieces 31 of the hinge portions 3 and 4 respectively. The hinge portions 3 and 4 are pivotally supported with respect to the grip body 1 so as to be inserted into the shaft holes 13 and 14 of the side wall portions. The pair of hinge portions 3 and 4 are fixed to the vehicle body side of the automobile, and the grip body 1 is rotatable relative to the hinge portions 3 and 4 between the non-use state and the use state. Is done.

  As shown in FIGS. 2 and 3, the left and right hinge portions 3, 4 have a hinge body 30 having a rear opening recess 33 for housing the torsion coil spring 7 and having a front opening recess 35 on the front side, and the hinge body 30. And a torsion coil spring 7 that is mounted in the rear opening recess 33 and biases the grip body 1 to a non-use state. The hinge body 30 of the hinge part 3 and the hinge body 30 of the hinge part 4 are basically formed in the same shape, but the left and right hinge bodies are changed by changing the curvature of the left and right curved parts at the left and right hinge parts. It can also be formed in a different shape with 30 being line symmetric.

  As shown in FIGS. 3, 5, and 7, the hinge body 30 is formed in a cubic shape having a substantially square front surface. The hinge body 30 is integrally formed of synthetic resin with support pieces 31 protruding from both sides on the lower back side. The A back opening recess 33 is formed between the pair of support pieces 31 as a storage space for the torsion coil spring 7. On the front side of the hinge body 30, a front opening recess 35 is formed as shown in FIG. A rectangular hole 34 is formed so that the front opening concave portion 35 and the rear opening concave portion 33 are formed so as to communicate vertically. An extension 26 of a torsion coil spring 7 to be described later is inserted into the rectangular hole 34, and the front edge of the rectangular hole 34 is a spring with which the spring engaging piece 24 is engaged as shown in FIGS. The engaging portion 37 is formed.

  Further, as shown in FIGS. 3 and 7, a flat seat 30a is formed on the back surface of the hinge body 30, and a mounting hole 36 is provided in the center of the seat 30a. When the assist grip is attached to the vehicle body, the seat 30a is provided. Is pressed against the surface of the body panel, and the mounting screw 9 is inserted into the mounting hole 36 to be fastened and fixed.

  A shaft hole 32 is formed as a through hole in the support pieces 31 on both sides projecting from the lower portion of the hinge body 30. As shown in FIG. 3, the pivot 8 is inserted into the shaft hole 32, and both ends of the pivot 8 are fitted into the shaft holes 13 and 14 on both sides of the hinge mounting portions 11 and 12 of the grip body 1. The main body 30 is configured to be rotatably supported within the hinge mounting portions 11 and 12 of the grip main body 1.

  Further, as shown in FIG. 5, a front opening recess 35 is formed on the front side of the hinge body 30, and a mounting screw (bolt) 9 is inserted into the mounting hole 36 from the front opening recess 35, and the hinge is attached to the body panel. In this structure, the portions 3 and 4 are fixed. As shown in FIG. 6 and the like, the cover 5 is covered around the front opening recess 35 so that the cover 5 is covered. As shown in FIG. The cover 5 is attached by locking the locking claws 5a provided on both side walls of the cover 5 on both side walls of the cover 5 to the cover locking portion 39.

  As shown in FIGS. 2 and 3, the torsion coil spring 7 that biases the grip body 1 to the non-use state is disposed in the back opening recess 33 around the pivot 8. As shown in FIGS. 3 and 4, the torsion coil spring 7 connects the first coil portion 21, the second coil portion 22, and the first coil portion 21 and the second coil portion 22, and extends upward therefrom. The first coil portion 21 and the second coil portion 22 are formed by winding spring wires in opposite directions, and are formed at one end of the first coil portion 21 and the second coil portion 22. A locking piece 23 that is locked to the spring locking portions 17 and 18 of the grip body 1 is formed as a bent end.

  Further, the extending portion 26 connecting the first coil portion 21 and the second coil portion 22 is bent in a substantially U shape and is continuous, and the engagement piece portion 24 is formed at the base of the extending portion 26 as shown in FIG. As described above, the left and right hinge portions 3 and 4 are provided so as to be engageable with the spring engaging portion 37 of the hinge body 30. Further, a buffer portion 25 is formed at the tip of the extended portion 26. As shown in FIG. 8, the buffer portion 25 of the torsion coil spring 7 protrudes forward from the opening 5b of the cover 5 of the hinge portions 3 and 4, and when the assist grip is used, the hand is released from the grip body 1 and twisted. When the grip body 1 returns to the non-use position due to the biasing force of the coil spring 7, a part of the grip body 1 abuts against the buffer portion 25 and acts to prevent hitting sound.

  As shown in FIGS. 3 and 6, the cover 5 is formed in a shape that covers the front opening recess 35 of the hinge body 30 from the front surface, and a vertically long opening 5 b is formed at the center, and the torsion coil is formed from the opening 5 b. The buffer part 25 of the spring 7 is protruded to the front side. Further, locking claws 5 a that are locked to the cover locking portions 39 on both sides of the hinge main body 30 are provided on both side walls inside the cover 5.

  When assembling the assist grip having the above-described configuration, first, as shown in FIGS. 1, 2, and 3, the left and right hinges are inserted in a fixed position in the back opening recess 33 in the hinge body 30 with the torsion coil spring 7 inserted. The hinge bodies 30 of the parts 3 and 4 are arranged in the hinge mounting parts 11 and 12 of the grip body 1. At this time, the engagement piece 23 at the end of the torsion coil spring 7 is engaged with the spring engagement portions 17 and 18 of the grip body 1, and the engagement piece portion of the extended portion 26 at the intermediate position of the torsion coil spring 7. Reference numeral 24 denotes a state of being engaged with the spring engaging portion 37 (FIGS. 8 and 9) of the hinge main body 30. In this state, the pivot shafts 8 and 8 are inserted into the shaft holes 13 and 14 of the left and right hinge mounting portions 11 and 12 and press-fitted. Thereby, the hinge main bodies 30 of the left and right hinge portions 3 and 4 are pivotally supported with respect to the grip main body 1 about the pivots 8 and 8, respectively. The cover 5 is fitted on the front side of the hinge body 30, and the buffer portion 25 of the torsion coil spring 7 protrudes from the opening 5 b of the cover 5 to the front side.

  In this state, as shown in FIG. 9, the grip body 1 and the left and right hinge portions 3, 4 are overlapped with each other by the biasing force (torsion spring force) of the torsion coil spring 7, that is, the left and right hinge portions 3. , 4 are urged so as to enter the hinge attachment portions 11 and 12 of the grip body 1, and the left and right hinge portions 3 and 4 are stationary in a state where they enter the hinge attachment portions 11 and 12 of the grip body 1. To do. At this time, as shown in FIG. 9, the buffer portion 25 at the tip of the extended portion 26 of the torsion coil spring 7 protrudes from the opening 5 b of the cover 5 to the front side, so that a part of the grip body 1 becomes the buffer portion 25. It comes into contact.

  When the assist grip is attached to a predetermined position in the automobile compartment, the cover 5 is removed, and the left and right hinge portions 3 and 4 are attached to a molded ceiling of a vehicle body (not shown) with the grip body 1 opened forward as shown in FIG. The mounting screw 9 is inserted into the mounting hole 36 of the hinge body 30 and the mounting screw 9 is screwed into the screw holes provided in the molded ceiling and the body panel, and the left and right hinge portions 3 and 4 are fastened and fixed. Thereafter, the cover 5 is fitted to the front surfaces of the left and right hinge bodies 30. As described above, the buffer portion 25 at the distal end of the extension portion 26 of the torsion coil spring 7 extends from the opening portion 5b of the cover 5 to the front side. Since it protrudes, the torsion coil spring 7 is not used (the hinge mounting portions 11 and 12 of the grip body 1 are superposed on the hinge portions 3 and 4). A part is in a state of being substantially in contact with the buffer portion 25.

  When using the assist grip, when the user holds the grip body 1 and pulls it downward from the state of FIG. 9, the grip body 1 is pivoted about the pivots 8 and 8 with respect to the left and right hinge parts 3 and 4. Then, it is rotated downward to enter the use state as shown in FIG. When the user releases his / her hand from the grip body 1 in use, the grip body 1 is rotated in the clockwise direction in FIG. 8 by the urging force of the torsion coil spring 7, and the left and right hinges as shown in FIG. When the portions 3 and 4 enter the hinge mounting portions 11 and 12 of the grip body 1 and are not used, a part of the grip body 1 (inner side surfaces of the hinge mounting portions 11 and 12) is twisted coil spring. 7 abuts against the buffer portion 25 at the tip of the extending portion 26, and the rotation of the grip body 1 stops.

  For this reason, the impact when the grip body 1 is returned and rotated is absorbed by the buffer portion 25 of the torsion coil spring 7, and it is effective to generate a hitting sound that is likely to occur when the grip body 1 returns to the non-use state. To be prevented.

  As described above, when the grip body 1 is rotated back from the use state to the non-use side, a part of the grip body 1 comes into contact with the buffer portion 25 of the torsion coil spring 7, and the hinge portion 3 of the grip body 1. Since the shock to 4 is buffered, the hitting sound of the grip body 1 can be eliminated at a low cost without attaching a separate part.

DESCRIPTION OF SYMBOLS 1 Grip main body 3 Hinge part 5 Locking claw 5 Cover 5a Locking claw 5b Opening part 8 Pivot 9 Mounting screw 11 Hinge mounting part 12 Hinge mounting part 13 Shaft hole 17 Locking part 21 1st coil part 22 2nd coil Part 23 Locking piece part 24 Engagement piece part 25 Buffer part 26 Extension part 30 Hinge body 30a Seat part 31 Supporting piece 32 Shaft hole 33 Back surface opening recessed part 34 Rectangular hole 35 Front opening recessed part 36 Mounting hole 37 Engaging part 39 Cover Locking part

Claims (3)

A grip body provided with hinge mounting portions at the bases on the left and right ends;
A pair of hinge parts having hinge bodies rotatably attached to the hinge attachment parts on both sides via a pivot;
A torsion coil spring mounted on the outer periphery of the pivot of the hinge body and biasing the grip body toward the non-use side;
In an assist grip that rotates the grip body against the urging force of the torsion coil spring and puts it in use,
At one end of the torsion coil spring, a locking piece portion that is locked to a spring locking portion provided at the end of the grip body is provided,
In the vicinity of the other end portion of the torsion coil spring, an engagement piece portion that engages with a spring engagement portion provided in the hinge body of the hinge portion is provided, and an extended portion of the engagement piece portion of the torsion coil spring Is provided with a buffer,
When the grip body is rotated back from the use state to the non-use side, a part of the grip body comes into contact with the buffer portion to buffer an impact of the grip body on the hinge portion. Assist grip.   The torsion coil spring has a first coil portion wound in one direction and a second coil portion wound in the other direction, and each of the first coil portion and one end portion of the second coil portion has a first coil portion. While the locking piece portion is provided, the engaging piece portion is provided in the vicinity of the other ends of the first coil portion and the second coil portion, and the buffer portion is provided in the extended portion of the engaging piece portion. The assist grip according to claim 1, wherein the first coil portion and the second coil portion are provided continuously.   The hinge part is configured by fitting a cover on the front side of the hinge body, and a buffer part of the torsion coil spring protrudes from the opening provided in the cover to the front side. 2. The assist grip according to 2.

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