CN203055727U - Multifunction switches and steering wheel - Google Patents

Abstract

Provided by the utility model is a multifunctional switch that comprises a housing, a second frame, a first frame, a first circuit board, a first contact board, a button, a second circuit board, a second contact board, a first lifting pin and a second lifting pin. More specifically, the second frame is sleeved inside the housing and can be moved up and down relatively to the housing. The first frame is sleeved inside the second frame and can be rotated around the middle position of the second frame. The first circuit board is arranged at the bottom end of the housing. The first contact board is arranged at the bottom of the housing and is laminated at the top of the first circuit board; and a first rubber contact is arranged on the first contact board. The button is arranged on the first frame. The second circuit board is arranged at the bottom end of the second frame and is arranged below the button. The second contact board is arranged between the button and the second circuit board and is also arranged on the second frame; and the two ends thereof is respectively provided with a second rubber contact and a third rubber contact. And the first lifting pin and the second lifting pin are clamped in the second frame. With utilization of the multifunctional switch, controlling of multiple devices by utilizing one button is realized, thereby reducing the occupation space of the switch; and thus the provided switch is suitable for occasions with limited space, so that the application range of the switch is enlarged. In addition, a steering wheel is also provided by the utility model.

Description

Multifunction switches and steering wheel

technical field

The utility model relates to the technical field of electrical switches, and more specifically relates to a multifunctional switch. The utility model also relates to a steering wheel with the above-mentioned multifunctional switch.

Background technique

In order to meet people's needs, a variety of multimedia and auxiliary function devices are often installed on cars, such as music players, radios, and dashboard menus. Cruise speed control, etc., so it is necessary to install switches on the car to control volume addition and subtraction, radio frequency modulation, instrument menu selection, and cruise speed addition and subtraction.

The switch is often used to control the switch of the device or adjust the device by rotating or pressing the knob. But the button of existing switch can only be pressed one place, one end or the middle of the button, like this, above-mentioned switch can only control the switch of a device or adjust a device when being pressed, and its function is limited, when need control When there are multiple devices, another independent button needs to be installed, which increases the space occupied by the switch. It is not suitable for occasions with limited space, and the application range is narrow.

For example, in order to facilitate operation, more and more automobiles integrate the switches for separately controlling different devices on the steering wheel of the car. A plurality of switches, because the space of automobile steering wheel is limited, has limited the switch number that is installed on the steering wheel, so the switch function on the steering wheel is limited, can't satisfy people's demand.

Utility model content

How to provide a multi-function switch to control a plurality of devices with one button, reduce the space occupied by the switch, apply to occasions with limited space, and expand the scope of application is a technical problem to be solved urgently by those skilled in the art.

The utility model also provides a steering wheel with the above-mentioned multifunctional switch.

In order to achieve the above object, the utility model provides the following technical solutions:

A multi-function switch comprising:

case;

a second frame that is sleeved inside the housing and can move up and down relative to the housing;

a first frame that is sleeved inside the second frame and can rotate around the middle position of the second frame;

a first circuit board disposed at the bottom of the housing, where a first control circuit, a second control circuit and a third control circuit are integrated on the first circuit board;

The first contact plate is arranged on the bottom of the housing and stacked on the top of the first circuit board. The first touch plate is provided with a contact with the bottom end of the second frame and can trigger the first contact plate. a first rubber contact of a control circuit;

a button disposed on the first frame;

The second circuit board located at the bottom of the second frame and below the button is provided with a first trigger circuit connected to the second control circuit and a trigger circuit connected to the second circuit board respectively. a second trigger circuit connected to the third control circuit;

The second touch panel located on the second frame is arranged between the button and the second circuit board, and the two ends of the second touch panel are respectively provided with a first trigger circuit capable of triggering the first trigger circuit. two rubber contacts and a third rubber contact capable of triggering said second trigger circuit;

A first ejector pin which is in contact with one end of the button and can move up and down and a second ejector pin which is in contact with the other end of the button and can move up and down, the first ejector pin and the second ejector pin All are clamped in the second frame, the first ejector pin is located at the top of the second rubber contact, and the second ejector pin is located at the top of the third rubber contact.

Preferably, in the above-mentioned multi-function switch, a fourth control circuit is further provided on the first circuit board, and a third trigger circuit connected to the fourth control circuit is provided on the second circuit board; and the Multifunction switches also include:

a rotating shaft arranged on the first frame, and the button is sleeved on the rotating shaft;

It is arranged on the first frame and is used for regulating the sensor component of the third trigger circuit.

Preferably, in the above-mentioned multi-function switch, the sensor assembly includes:

an optical sensor arranged at one end of the first frame and connected to the second circuit board;

A grating sleeved on the rotating shaft and rotating with the rotating shaft, the grating is located in the detection groove of the optical sensor.

Preferably, the above-mentioned multi-function switch also includes:

A curved block sleeved on one end of the rotating shaft, the outer surface of the curved block has a plurality of first strip-shaped protrusions uniformly arranged along the circumferential direction of the curved block;

The spring piece arranged on the first frame has a second strip-shaped protrusion capable of contacting the first strip-shaped protrusion.

Preferably, in the above-mentioned multifunctional switch, a first through hole and a second through hole are respectively opened at the middle positions of the top ends of the two opposite sides of the second frame, and the two opposite sides of the first frame A first guide shaft that passes through the first through hole and can rotate in the first through hole and a second guide shaft that passes through the second through hole and can rotate in the second through hole are respectively provided. As for the guide shaft, the axis of the first guide shaft coincides with the axis of the second guide shaft, and the axes of both are perpendicular to the axis of the rotating shaft.

Preferably, in the above-mentioned multi-function switch, the free ends of the first guide shaft and the free ends of the second guide shaft are respectively set on two opposite sides of the housing, and the top ends of the two sides are respectively A first limiting groove for limiting the first guide shaft and a second limiting groove for limiting the second guiding shaft are opened, and the first limiting groove has a shape extending in the vertical direction for A first guide groove for the first guide shaft to move up and down, and the second limiting groove has a second guide groove extending vertically for the second guide shaft to move up and down.

Preferably, in the above-mentioned multifunctional switch, the free end of the first guide shaft includes a shaft body and a first bar-shaped guide block that protrudes from the bottom end of the shaft body and can move up and down along the first guide groove. The width of the first strip-shaped guide block is smaller than the diameter of the shaft body;

The first limit groove also includes a first arc groove capable of rotating the first guide shaft along its arc surface, the first arc groove is arranged on the top end of the first guide groove and The first guide grooves are connected, and the width of the first arc groove is greater than the width of the first guide grooves.

Preferably, in the above-mentioned multi-function switch, guide protrusions extending in the vertical direction are formed on the outer wall of the second frame, and slide grooves slidingly fitted with the guide protrusions are provided on the inner wall of the housing.

Preferably, in the above-mentioned multi-function switch, the second circuit board is a flexible circuit board, and the multi-function switch further includes a flexible circuit board mounted on the top of the housing, and the first frame and the second frame are covered by a cover plate inside the housing.

It can be seen from the above-mentioned technical scheme that the first frame of the multifunctional switch provided by the utility model can rotate around the middle position of the second frame, and the buttons are arranged on the first frame, so the first frame can drive the buttons around The middle position of the second frame rotates, so the two ends of the button, i.e. the left end and the right end, can be pressed; at the same time, because the second frame of the multifunctional switch provided by the utility model can move up and down relative to the housing, the first frame covers It is arranged inside the second frame, so the second frame can drive the first frame and the button on it to move up and down relative to the housing, so the middle position of the button can be pressed.

The multifunctional switch provided by the utility model has the following functions:

When the middle position of the button is pressed, the button moves down relative to the housing together with the first frame and the second frame. At this time, the bottom end of the second frame will press the first rubber contact below it, making the first rubber contact Trigger the first control circuit to realize the energization of the first control circuit; when the button is released, the first rubber contact rebounds due to its own restoring force, so that the second frame, the first frame and the button move up together to realize the second A power-off of the control circuit; when the first control circuit is connected to the first device, pressing the middle position of the button can realize the opening or regulation of the first device.

When one end of the button is pressed (for ease of description, this end is regarded as the left end), the button drives the first frame connected to it to rotate around the second frame in the pressed direction, that is, to the left. At this time, the button and the left end of the first frame Move down, then the button and the first frame will press the first ejector pin below it together, and the first ejector pin will press the second rubber contact downward, so that the second rubber contact triggers the first trigger circuit, and the first trigger circuit The electrical signal is transmitted to the second control circuit to realize the energization of the second control circuit; when the button is released, the second rubber contact rebounds due to its own restoring force, so that the first frame and the button rotate together, and then the second rubber contact is realized. Power-off of the second control circuit; when the second control circuit is connected to the second device, pressing the left end of the button can realize the opening or regulation of the second device.

When the other end of the button is pressed, that is, the right end, the button drives the first frame connected to it to rotate to the right around the second frame in the pressed direction. At this time, the button and the right end of the first frame move down, and then the button and the first frame The second ejector pin below it will be pressed together, and the second ejector pin will press the third rubber contact downward, so that the third rubber contact triggers the second trigger circuit, and the second trigger circuit transmits the electrical signal to the third control circuit , realize the energization of the third control circuit; when the button is released, the third rubber contact rebounds due to its own restoring force, so that the first frame and the button rotate together, thereby realizing the power-off of the third control circuit; when the second When the three control circuits are connected to the third device, pressing the right end of the button can realize the opening or regulation of the third device.

In summary, the button of the multi-function switch provided by the utility model can respectively realize the pressing of three places, that is, the pressing of the two ends and the middle position of the button, and the on-off of the three control circuits can be respectively realized through the pressing of the above three places. , so the multifunctional switch provided by the utility model has the function of opening or regulating the three devices; therefore, the multifunctional switch provided by the utility model realizes the use of one button to control multiple devices respectively, which is similar to the prior art in which only one button is installed at the same time. Compared with a plurality of independent buttons that can be pressed at one place, the multifunctional switch provided by the utility model reduces the space occupied by the switch, and is suitable for occasions with limited space and expands the application range.

The utility model also provides a steering wheel, the steering wheel includes a switch arranged in its installation groove, the switch is any one of the above-mentioned multi-function switch, because the above-mentioned multi-function switch has the above-mentioned effect, the steering wheel with the multi-function switch have the same effect, so this article will not repeat them.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present utility model. Those skilled in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is a three-dimensional structural schematic diagram of a multifunctional switch provided by an embodiment of the present invention;

Fig. 2 is a top view of the multifunctional switch provided by the embodiment of the present invention;

Fig. 3 is a sectional view along line A-A in Fig. 2;

Fig. 4 is a schematic diagram of the exploded structure of the multifunctional switch provided by the embodiment of the present invention;

Fig. 5 is a structural schematic diagram of pressing the button of the multi-function switch provided by the embodiment of the present invention;

Figure 6 is an enlarged view of the local structure of Figure 5;

Fig. 7 is a structural schematic diagram of pressing the left end of the button of the multi-function switch provided by the embodiment of the utility model;

Fig. 8 is a cross-sectional view of pressing the left end of the button of the multi-function switch provided by the embodiment of the present invention;

FIG. 9 is an enlarged view of the partial structure of FIG. 8 .

Detailed ways

The embodiment of the utility model provides a multi-function switch, which realizes the use of one button to separately control multiple devices, reduces the space occupied by the switch, and is suitable for occasions with limited space and expands the application range.

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to the accompanying drawings 1-4, the multifunctional switch provided by the embodiment of the utility model includes a housing 10, a first frame 3, a second frame 9, a first circuit board 12, a first touch panel 11, a button 2, a second The circuit board 8, the second contact plate 6, the first ejector pin 5 and the second ejector pin 4; wherein, the first frame 3 is sleeved inside the second frame 9, and it can be carried out around the middle position of the second frame 9 Rotation; the second frame 9 can move up and down relative to the housing 10 and is sleeved inside the housing 10; the first circuit board 12 is arranged at the bottom of the housing 10, and the first control circuit and the second control circuit are integrated on it and the third control circuit; the first touch panel 11 is arranged at the bottom of the housing 10 and stacked on the top of the first circuit board 12, and the first touch panel 11 is provided with a bottom contact with the second frame 9, which can Trigger the first rubber contact 111 of the first control circuit; the button 2 is arranged on the first frame 3; the second circuit board 8 is arranged at the bottom of the second frame 9, below the button 2, on the second circuit board 8 A first trigger circuit connected to the second control circuit and a second trigger circuit connected to the third control circuit are respectively provided; the second touch panel 6 is located on the second frame 9 and is arranged between the button 2 and the second circuit board 8 Between, the two ends of the second touch panel 6 are respectively provided with the second rubber contact 61 capable of triggering the first trigger circuit and the third rubber contact 62 capable of triggering the second trigger circuit; One end (this end is the left end shown in Figure 1-4) is in contact and can move up and down, and the second push pin 4 is in contact with the other end of the button 2 (this end is the right end shown in Figure 1-4) and can move up and down. It can move up and down, and both the first ejector pin 5 and the second ejector pin 4 are clamped in the second frame 9, the first ejector pin 5 is located at the top of the second rubber contact 61, and the second ejector pin 4 is located at the top of the third rubber contact 61. The top of the contact 62.

It should be noted that the above-mentioned control circuit is a circuit that can control the opening and closing of the device or adjust the device, for example, it is used to control the increase and decrease of the volume, the frequency modulation of the radio, the selection of the instrument menu, and the increase and decrease of the cruise speed.

Since the first frame 3 of the multifunctional switch provided by the embodiment of the utility model can rotate around the middle position of the second frame 9, and the button 2 is arranged on the first frame 3, so the first frame 3 can drive the button 2 around The middle position of the second frame 9 is rotated, so the two ends of the button 2, that is, the left end and the right end, can be pressed; at the same time, since the second frame 9 of the multifunctional switch provided in this embodiment can move up and down relative to the housing 10, and The first frame 3 is sleeved inside the second frame 9, so the second frame 9 can drive the first frame 3 and the button 2 thereon to move up and down relative to the housing 10, so the middle position of the button 2 can be pressed.

The multifunctional switch provided by the embodiment of the utility model has the following functions:

As shown in Figure 5-6, when the middle position of the button 2 is pressed, the button 2 moves down relative to the housing 10 together with the first frame 3 and the second frame 9, and the bottom end of the second frame 9 will press its The first rubber contact 111 at the bottom makes the first rubber contact 111 trigger the first control circuit to realize the electrification of the first control circuit; when the button 2 is released, the first rubber contact 111 returns to flick, so that the second frame 9, the first frame 3 and the button 2 move up together to realize the power-off of the first control circuit; when the first control circuit is connected with the first device, pressing the middle position of the button 2 can realize the Turn-on or regulation of the first device.

As shown in Figure 7-9, when one end of the button 2 is pressed (for ease of description, this end is defined as the left end), the button 2 drives the first frame 3 connected to it to surround the second frame 9 to the pressed direction. Rotate left, at this moment the left end of the button 2 and the first frame 3 will move down, and then the button 2 and the first frame 3 will press the first ejector pin 5 below it together, and the first ejector pin 5 will press the second rubber contact downward. At point 61, the second rubber contact 61 triggers the first trigger circuit, and the first trigger circuit transmits the electrical signal to the second control circuit to realize the electrification of the second control circuit; when the button 2 is released, due to its own restoring force Make the second rubber contact 61 rebound, make the first frame 3 and the button 2 rotate together, and then realize the power-off of the second control circuit; when the second control circuit is connected with the second device, pressing the left end of the button 2 can Turning on or regulating the second device is realized.

When the other end of the button 2 is pressed, namely the right end shown in Figure 8, the button 2 drives the first frame 3 connected to it to rotate to the right around the second frame 9 in the pressed direction. At this moment, the button 2 and the first frame 3 The right end of the button moves down, and then the button 2 and the first frame 3 will press the second ejector pin 4 below it together, and the second ejector pin 4 will press the third rubber contact 62 downward, so that the third rubber contact 62 triggers the first Two trigger circuits, the second trigger circuit transmits the electric signal to the third control circuit to realize the energization of the third control circuit; when the button 2 is released, the third rubber contact 62 rebounds due to its own restoring force, so that the third rubber contact 62 rebounds to make the third control circuit A frame 3 and the button 2 rotate together to realize the power-off of the third control circuit; when the third control circuit is connected to the third device, pressing the right end of the button 2 can realize the opening or regulation of the third device. (This working process is similar to the working process of pressing the left end of button 2, and the structural diagram of pressing the right end of button 2 is not shown in the figure).

In summary, the button 2 of the multi-function switch provided by the embodiment of the utility model can realize the pressing of three places respectively, that is, the pressing of the two ends and the middle position of the button 2. The on-off of the circuit, so the above-mentioned multi-function switch has the function of opening or regulating the three devices; so the multi-function switch provided by this embodiment realizes using a button 2 to control multiple devices respectively, and it is installed simultaneously with the prior art. Compared with multiple independent buttons that can only be pressed at one point, the multifunctional switch provided in this embodiment reduces the space occupied by the switch, and is suitable for occasions with limited space and expands the application range.

Preferably, in the multi-function switch provided by the above-mentioned embodiment, the first circuit board 12 is also provided with a fourth control circuit, and the second circuit board 8 is provided with a third trigger circuit connected to the fourth control circuit; and the above multiple The functional switch also includes a rotating shaft 21 and a sensor assembly, wherein the rotating shaft 21 is set on the first frame 3 , and the button 2 is sleeved on the rotating shaft 21 ; the sensor assembly is used to regulate the third trigger circuit and is set on the first frame 3 .

In this embodiment, the rotation of the rotating shaft 21 drives the button 2 to rotate. During the rotation of the button 2 (counterclockwise or clockwise), the signal received by the sensor component will change. By judging the rotation direction of the button 2, the The detected signal is transmitted to the fourth control circuit through the third trigger circuit. When the fourth control circuit is connected to the fourth device, the fourth control circuit can control the output signal of the fourth device according to the received different signals. ; For example: when the fourth device is a cruise speed controller, the fourth control circuit can adjust its speed by rotating the button 2 counterclockwise or clockwise, if the counterclockwise rotation of the button 2 increases the speed, then A clockwise rotation of button 2 decreases the speed. In this way, the multi-function switch of this embodiment adds the function of controlling the fourth device, and the four devices are controlled respectively through the pressing of the button 2 and the rotation of the button 2. When the switch needs to be installed to control the four devices respectively, this The embodiment does not need to install an independent button switch, which further reduces the occupied space of the switch and further expands the application range.

Specifically, in the multifunctional switch provided by the above-mentioned embodiments, the sensor assembly includes a grating 22 and an optical sensor 7 connected to the second circuit board 8: the optical sensor 7 is arranged at one end of the first frame 3; the grating 22 is sleeved on the rotating shaft 21 and rotate with the rotating shaft 21 , and the grating 22 is located in the detection groove of the optical sensor 7 . The grating 22 can block the light on the optical sensor 7, and the optical sensor 7 can detect different signals according to the different rotation directions of the grating 22, and the optical sensor 7 will pass the above signal through the third trigger circuit on the second circuit board 8 Send to the fourth control circuit, and then realize the control of the output size of the fourth device. As shown in Figure 1, the optical sensor 7 has a detection slot, and the detection slot has two opposite sides, one side is provided with a light source, and the other side is respectively provided with a first receiver and a second receiver for receiving light from the light source. Two receivers, the grating 22 are arranged between the two sides. The grating 22 can block the light during the rotation process. When it rotates, the first receiver and the second receiver receive the light successively respectively, and the optical sensor 7 can judge the rotation direction of the button 2 according to the order in which the light is received. Then, a corresponding control signal is sent, so as to control the output of the fourth device.

Those skilled in the art can understand that the sensor assembly can also be composed of a Hall sensor and a magnet, so as to achieve the same. During the rotation of the button 2, the rotation direction of the button 2 can be judged by the sensor assembly, and the detected signal can be passed through the first The three trigger circuits are transmitted to the fourth control circuit, so as to control the output of the fourth device, which will not be introduced one by one here.

The multifunctional switch provided by the above embodiment also includes a curved block 23 sleeved at one end of the rotating shaft 21 and a spring leaf 24 arranged on the first frame 3. 23 has first strip-shaped protrusions uniformly arranged in the circumferential direction, and the spring piece 24 has a second strip-shaped protrusion capable of contacting the first strip-shaped protrusions. The first strip-shaped protrusions are evenly arranged on the circumferential outer surface of the curved surface block 23 at a certain interval, and the curved surface block 23 on it is driven to rotate during the rotation of the rotating shaft 2. At this time, the curved surface block 23 and the spring leaf 24 Relative movement occurs, and the second bar-shaped protrusions alternately correspond to the interval between the first bar-shaped protrusions and the two first bar-shaped protrusions, when the first bar-shaped protrusions and the second bar-shaped protrusions When touching, it can realize the replacement of a gear, and the hand feeling is good, which is convenient for controlling the rotation position of the button 2, and then realizes the precise control of the fourth device.

Those skilled in the art can understand that the spring piece 24 can also be other structures, such as opening a limiting groove on the position opposite to the curved surface block 23 on the first frame 3, and placing the spring and the ejector pin in sequence in the limiting groove, Under the restoring force of the spring, the ejector pin can move up to a position where it can contact the first bar-shaped protrusion, so as to achieve the same effect of realizing the feel and gear position, which will not be introduced one by one here.

In order to further optimize the above-mentioned technical solution, in the multi-function switch provided by the above-mentioned embodiment, a first through hole and a second through hole are respectively opened at the middle positions of the top ends of the two opposite sides of the second frame 9, and the first frame 3 A first guide shaft 31 passing through the first through hole and capable of rotating in the first through hole and a second guide shaft 31 passing through the second through hole and capable of rotating in the second through hole are respectively arranged on the opposite two sides. shaft 32 , the axis of the first guide shaft 31 coincides with the axis of the second guide shaft 32 , and the axes of both are perpendicular to the axis of the rotating shaft 21 . As shown in Figures 1-4, both sides of the first frame 3 have a rotatable first guide shaft 31 and a second guide shaft 32 respectively. When one end (left end or right end) of the button 2 is pressed, the button 2 and the The first frame 3 forms a rotating shaft with the first guiding shaft 31 and the second guiding shaft 32. At this time, the button 2 rotates around the axis of the rotating shaft, which facilitates pressing one end of the button 2 and reduces the occurrence of mispressing.

Preferably, in the multi-function switch provided by the above-mentioned embodiment, the free ends of the first guide shaft 31 and the free ends of the second guide shaft 32 are set on two opposite sides of the housing 10 respectively, and the top ends of the two sides are respectively opened There is a first limit groove for limiting the first guide shaft 31 and a second limit groove for limiting the second guide shaft 32, the first limit groove has a function extending in the vertical direction for the first guide shaft 31 The first guide slot 101 moves up and down, and the second limit slot has a second guide slot extending vertically for the second guide shaft 32 to move up and down. It should be noted that the structure of the first guide shaft 31 and the second guide shaft 32 are the same, and the structures of the first limiting groove and the second limiting groove respectively matched with the two are also the same, and only the first limiting groove is marked in the figure. The structure of the limit slot.

One end of the above-mentioned two guide shafts is fixed on the first frame 3, and the other end is a free end. As shown in FIG. 1 , in the initial position, the first guide shaft 31 is located at the top of the first guide groove 101 , and the second guide shaft 32 is located at the top of the second guide groove. When the middle position of the button 2 is pressed, the first guide shaft 31 slides into the first guide groove 101, while the second guide shaft 32 slides into the second guide groove, and the two guide shafts respectively slide along the first guide groove 101. , the second guide groove moves downward, and at the same time, the second frame 9, the first frame 3 and the button 2 move down together, so that the button 2 can move up and down correctly in the vertical direction, and avoid accidents caused by the button 2 in the left and right directions Mis-pressing is caused by rotation, which ensures the correctness of pressing the middle position of button 2.

Further, in order to facilitate the relative sliding of the guide shaft and the guide groove, the free end of the first guide shaft 31 includes the shaft body 311 and the bottom end of the protruding shaft body 311, and the first strip guide that can move up and down along the first guide groove 101 Block 312, the width of the first strip-shaped guide block 312 is less than the diameter of the shaft body 311; the free end of the second guide shaft includes the shaft body and the bottom end of the protruding shaft body, and the second bar-shaped shaft that can move up and down along the second guide groove Guide block, the width of the second bar-shaped guide block is smaller than the diameter of the shaft body of the second guide shaft;

During the downward movement of the second frame 9 relative to the casing 10, the first bar-shaped guide block 312 slides downward along the first guide groove 101, while the second bar-shaped guide block slides downward along the second guide groove , at this time, the first bar-shaped guide block 312 is in surface contact with the first guide groove 101 and the second bar-shaped guide block is in surface contact with the second guide groove, which is convenient for the first bar-shaped guide block 312 and the second bar-shaped guide block Sliding reduces the occurrence of sticking and reduces the maintenance rate of the multi-function switch. At the same time, the width of the strip-shaped guide block is made smaller than the diameter of the guide shaft, and the cylindrical structure of the guide shaft is always located outside the guide groove, so that the guide shaft can be easily taken out during maintenance.

In this embodiment, the first limit groove further includes a first arc groove 102 capable of rotating the first guide shaft 31 along its arc surface, the first arc groove 102 is arranged on the top end of the first guide groove 101 and Connected with the first guide groove 101, the width of the first arc groove 102 is greater than the width of the first guide groove 101; the second limit groove also includes a second guide shaft 32 that can rotate along its arc surface The arc groove, the second arc groove is arranged on the top of the second guide groove and communicates with the second guide groove, the width of the second arc groove is larger than the width of the second guide groove. In this way, when one end of the button 2 is pressed and the button 2 rotates around the two guide shafts, the first guide shaft 31 can rotate along the arc surface of the first arc groove 102, and the second guide shaft 32 can rotate along the arc surface of the first arc groove 102. The arc surface of the second arc groove rotates; at this moment, misalignment occurs between the first bar-shaped guide block 312 and the first guide groove 101 and between the second bar-shaped guide block and the second guide groove, and the first bar-shaped The guide block 312 will not slide into the first guide groove 101, and the second strip-shaped guide block will not slide into the second guide groove, as shown in Figures 7 and 9, so that the button 2 cannot move down, thereby preventing the button 2 from moving down. Mispressing the middle position of the button 2 when pressing the left and right sides of the button 2; when the multi-function switch provided by this embodiment is in use, the pressing of the left, right and middle positions of the button 2 are independent of each other and do not interfere with each other, thus avoiding misuse. occurs, improving safety and reliability.

In order to further ensure the reliability of the downward movement of the button 2, the outer wall of the second frame 9 is provided with a guide protrusion 91 extending in the vertical direction, and the inner wall of the housing 10 is provided with a chute that is slidably matched with the guide protrusion 91 . As shown in Figure 4, when the middle of the button 2 was pressed, the first frame 3, the second frame 9 and the button 2 moved down together, and at this time the guide protrusion 91 moved down along the chute, because the guide protrusion 91 Extend along the vertical direction, so the button 2 can move down along the vertical direction, reducing the occurrence between the first strip-shaped guide block 312 and the first guide groove 101 and between the second strip-shaped guide block and the second guide groove. Misalignment leads to failure to press, which improves the safety of the switch.

In order to further optimize the above-mentioned technical scheme, the above-mentioned second circuit board 8 is a flexible circuit board. Since the second circuit board 8 will move along with the button 2 when it rotates left and right, the flexible circuit board has good flexibility and can be extended. To ensure the service life of the second circuit board 8, of course, the second circuit board 8 can also be formed by combining a hard circuit board and a wire harness, which is not limited in this embodiment.

In order to protect the multi-function switch, the multi-function switch provided in the above embodiments further includes a cover plate 1 set on the top of the housing 10 and covering the first frame 3 and the second frame 9 inside the housing 10 . The cover plate 1 can prevent dust falling into the housing 10 from affecting the flexibility of the switch, and has a certain decorative effect.

The utility model also provides a steering wheel, the steering wheel includes a switch arranged in its installation groove, and the switch is the multifunctional switch described in any one embodiment of the utility model.

The above-mentioned steering wheel adopts the multifunctional switch provided by the present embodiment, realizes using one button to control multiple devices respectively, reduces the occupied space of the switch, and then is suitable for occasions with limited space, and expands the scope of application. For the information brought about by the switch, please refer to the relevant parts in the above-mentioned embodiments for details, and details will not be repeated here.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A multifunctional switch, characterized in that, comprising: shell (10); A second frame (9) that is sleeved inside the housing (10) and can move up and down relative to the housing (10); The first frame (3) is sleeved inside the second frame (9) and can rotate around the middle position of the second frame (9); A first circuit board (12) arranged at the bottom of the housing (10), where a first control circuit, a second control circuit and a third control circuit are integrated on the first circuit board (12); The first contact plate (11) arranged at the bottom of the housing (10) and stacked on the top of the first circuit board (12), the first contact plate (11) is provided with the The bottom ends of the two frames (9) are in contact, capable of triggering the first rubber contact (111) of the first control circuit; a button (2) arranged on the first frame (3); The second circuit board (8) is arranged at the bottom of the second frame (9) and below the button (2), and the second circuit board (8) is respectively provided with the second circuit board (8). a first trigger circuit connected to the control circuit and a second trigger circuit connected to the third control circuit; The second touch panel (6) located on the second frame (9) is arranged between the button (2) and the second circuit board (8), and the second touch panel (6) The two ends are respectively provided with a second rubber contact (61) capable of triggering the first trigger circuit and a third rubber contact (62) capable of triggering the second trigger circuit; The first ejector pin (5) which is in contact with one end of the button (2) and can move up and down and the second ejector pin (4) which is in contact with the other end of the button (2) and can move up and down, so The first ejector pin (5) and the second ejector pin (4) are clamped in the second frame (9), and the first ejector pin (5) is located at the second rubber contact ( 61), the second ejector pin (4) is located at the top of the third rubber contact (62). 2. The multi-function switch according to claim 1, characterized in that, the first circuit board (12) is also provided with a fourth control circuit, and the second circuit board (8) is provided with the A third trigger circuit connected to the fourth control circuit; and the multi-function switch also includes: a rotating shaft (21) arranged on the first frame (3), the button (2) sleeved on the rotating shaft (21); It is arranged on the first frame (3) and is used for regulating the sensor component of the third trigger circuit. 3. The multi-function switch according to claim 2, wherein the sensor assembly comprises: An optical sensor (7) arranged at one end of the first frame (3) and connected to the second circuit board (8); A grating (22) sleeved on the rotating shaft (21) and rotating with the rotating shaft (21), the grating (22) is located in the detection groove of the optical sensor (7). 4. The multifunctional switch according to claim 3, further comprising: A curved block (23) sheathed on one end of the rotating shaft (21), the outer circumferential surface of the curved block (23) has a plurality of first strip-shaped protrusions uniformly arranged along the circumferential direction of the curved block; The spring piece (24) arranged on the first frame (3), the spring piece (24) has a second strip-shaped protrusion capable of contacting the first strip-shaped protrusion. 5. The multi-function switch according to claim 3, characterized in that a first through hole and a second through hole are respectively opened at the middle positions of the top ends of the two opposite sides of the second frame (9), and The two opposite sides of the first frame (3) are respectively provided with a first guide shaft (31) passing through the first through hole and capable of rotating in the first through hole and a first guide shaft (31) passing through the first through hole. a second guide shaft (32) with two through holes capable of rotating in the second through hole, the axis of the first guide shaft (31) coincides with the axis of the second guide shaft (32), and The axes of both are perpendicular to the axis of the rotating shaft (21). 6. The multifunctional switch according to claim 5, characterized in that, the free end of the first guide shaft (31) and the free end of the second guide shaft (32) are set on the housing ( 10) On the two opposite sides, the top ends of the two sides are respectively provided with a first limiting groove for limiting the first guide shaft (31) and a first limiting groove for limiting the second guiding shaft (32). ), the first limiting groove has a first guide groove (101) extending vertically for the first guide shaft (31) to move up and down, the second limiting groove There is a second guide groove extending vertically for the second guide shaft (32) to move up and down. 7. The multifunctional switch according to claim 6, characterized in that, the free end of the first guide shaft (31) includes a shaft body (311) and protrudes from the bottom end of the shaft body (311), which can be moved along The first bar-shaped guide block (312) for the first guide groove (101) to move up and down, the width of the first bar-shaped guide block (312) is smaller than the diameter of the shaft body (311); The first limit groove also includes a first arc groove (102) capable of rotating the first guide shaft (31) along its arc surface, and the first arc groove (102) is set on the The top end of the first guide groove (101) is connected with the first guide groove (101), and the width of the first arc groove (102) is larger than the width of the first guide groove (101). 8. The multi-function switch according to claim 1, characterized in that, the outer wall of the second frame (9) is provided with a guide protrusion (91) extending in the vertical direction, and the housing (10) There is a chute on the inner wall of the guide protrusion (91) for sliding cooperation. 9. The multi-function switch according to any one of claims 1-8, characterized in that, the second circuit board (8) is a flexible circuit board, and the multi-function switch also includes a 10), the first frame (3) and the second frame (9) are covered with a cover plate (1) inside the housing (10). 10. A steering wheel, characterized in that the steering wheel comprises a switch disposed in its mounting groove, the switch being the multifunctional switch according to any one of claims 1-9.

Images