CN210454933U - Steering wheel switch and steering wheel assembly - Google Patents

Abstract

The utility model provides a steering wheel switch and steering wheel assembly relates to car technical field. The steering wheel switch comprises a touch shell, an induction membrane, a moving seat, a circuit board and a mounting seat; the movable seat is connected with the mounting seat in a sliding manner and can be close to or far away from a driver relative to the mounting seat; the circuit board is arranged between the mounting seat and the moving seat, a touch switch is arranged on one side of the circuit board facing the moving seat, and the moving seat can extrude the touch switch; the touch shell is covered on one side of the movable seat close to the driver, and the touch shell comprises a plurality of instruction areas; the response diaphragm sets up between touch casing and removal seat, and the response diaphragm includes the response district that corresponds with the instruction district, and responds to the diaphragm and be connected with the circuit board electricity to it is lower to alleviate the last button wholeness of steering wheel among the prior art, and has technical problem such as sense of touch difference between the single key switch.

Description

Steering wheel switch and steering wheel assembly

Technical Field

The utility model relates to the field of automotive technology, especially, relate to a steering wheel switch and steering wheel assembly.

Background

At present, most switches on a steering wheel of a vehicle are ordinary key switches, each function corresponds to an independent key, the independent keys are provided with independent pressing components, the keys corresponding to the operation functions need to be found during use, and then the corresponding single key is pressed downwards relative to the steering wheel to switch on a circuit corresponding to the key. However, since each switch has a separate pressing member, the tactile sensation fed back to the driver may be different due to the difference in structure or wear between different pressing members when in use.

Accordingly, there is a need for a steering wheel switch and a steering wheel assembly that can solve the above problems.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a steering wheel switch to it is lower to alleviate the last button wholeness of steering wheel among the prior art, and has technical problem such as sense of touch difference between the single button switch.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a steering wheel switch, which comprises a touch shell, an induction diaphragm, a movable seat, a circuit board and a mounting seat;

the movable seat is connected with the mounting seat in a sliding mode and can be close to or far away from a driver relative to the mounting seat;

the circuit board is arranged between the mounting seat and the moving seat, a touch switch is arranged on one side of the circuit board facing the moving seat, and the moving seat can extrude the touch switch;

the touch shell cover is arranged on one side of the movable seat close to a driver, and the touch shell comprises a plurality of instruction areas;

the sensing diaphragm is arranged between the touch shell and the moving seat, the sensing diaphragm comprises a sensing area corresponding to the instruction area, and the sensing diaphragm is electrically connected with the circuit board.

In any of the above technical solutions, further, the mounting base includes a fitting housing slidably fitted with the moving base;

the movable seat is provided with a sliding groove, and the matching shell is provided with a rib plate in sliding fit with the sliding groove.

In any of the above technical solutions, further, a protrusion is disposed at an edge of the moving seat, and the mating housing is provided with a butting platform;

when the movable seat is close to a driver relative to the matching shell, the protrusion can be abutted to the abutting table.

In any of the above technical solutions, further, the touch housing is fixedly arranged on the movable seat, the touch housing is fastened to one side of the matching housing close to the driver, and a limiting end surface is arranged at an edge of one side of the matching housing facing the touch housing;

the touch shell is extruded to synchronously drive the movable seat to be opposite to the matching shell, and when the driver is far away from the matching shell, the end part of the touch shell, far away from the driver, can be abutted against the limiting end face.

In any of the above technical solutions, further, the mounting base further includes a balancing rod;

the balance rod is provided with a straight rod part and hook-back parts fixedly arranged at two ends of the straight rod part; the cooperation casing is kept away from one side of touch casing is provided with first jack catch, first jack catch with the cooperation of hutch portion joint, it keeps away from to remove the seat one side of touch casing is provided with the second jack catch, the second jack catch with straight rod portion joint cooperation, just the balancing pole can wind with the junction swing of first jack catch, the balancing pole can wind with the junction swing of second jack catch.

In any of the above technical solutions, further, the mounting base further includes a bottom shell fixedly disposed on a side of the matching housing away from the moving base;

one side of the bottom shell, which is far away from the matching shell, is provided with a plurality of connecting columns for fixedly connecting with a steering wheel.

In any of the above technical solutions, further, a first membrane is disposed in the touch casing, and the first membrane includes a pattern mark corresponding to the command area.

In any of the above technical solutions, further, a side of the circuit board facing the moving seat is provided with a plurality of illuminating lamps, the moving seat is provided with light holes corresponding to the illuminating lamps, and the light holes correspond to the pattern marks.

A second object of the present invention is to provide a steering wheel assembly to alleviate the technical problem such as the button wholeness is lower on the steering wheel among the prior art, and there is the sense of touch difference between the single key switch.

The utility model also provides a steering wheel assembly, which comprises the steering wheel switch, a shell and a steering wheel;

the shell is buckled on the steering wheel, and at least one group of steering wheel switches are arranged on the shell.

In any of the above technical solutions, further, the housing includes a V-shaped connecting arm and connecting shells respectively connected to two ends of the connecting arm;

the steering wheel switch is correspondingly arranged in the connecting shell.

The utility model has the advantages that:

the utility model provides a pair of steering wheel switch, including touch casing, response diaphragm, removal seat, circuit board and mount pad. When in actual use, a driver touches the instruction area on the touch shell, and the sensing area corresponding to the instruction area on the sensing film can sense the touch of the driver. Meanwhile, the driver presses down the touch shell, and the downward pressure is transmitted to the moving seat through the touch shell, so that the moving seat drives the touch shell to synchronously move downwards relative to the mounting seat, namely move away from the driver. The pressing of the movable seat can press the touch switch on the circuit board, so that the circuit is switched on, and the transmission of the command signal on the sensing area is facilitated.

The steering wheel switch integrates switch keys on a touch shell, namely the touch shell is equivalent to an independent key, and is provided with a plurality of instruction areas for displaying instruction keys, namely the instruction areas are integrated on the whole touch shell, so that the whole body can be moved down and lifted, and the integrity of the key is further improved. Meanwhile, when any one instruction area is pressed, the induction area on the induction membrane can sense signals, the touch shell is driven by the moving seat to integrally move downwards relative to the mounting seat, and the corresponding button does not need to be pressed independently due to the fact that one instruction corresponds to one button, so that the touch difference among different buttons is reduced.

The utility model provides a pair of steering wheel assembly, including foretell steering wheel switch, still include shell and steering wheel, the shell lock dress is on steering wheel, and at least a set of steering wheel switch is installed in the shell.

It should be noted that the structure and the resulting beneficial effects of the steering wheel switch have been described in detail above, and thus are not described in detail herein.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view illustrating a steering wheel switch provided in an embodiment of the present invention connected to a housing;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic view of a movable seat according to an embodiment of the present invention;

fig. 4 is a rear view of the movable base according to the embodiment of the present invention;

fig. 5 is a schematic view of a mating housing according to an embodiment of the present invention;

fig. 6 is a rear view of a mating housing provided by an embodiment of the present invention;

fig. 7 is a partial rear view of the mounting of the movable base, mating housing and balance bar provided in accordance with an embodiment of the present invention;

fig. 8 is a schematic view of a bottom case according to an embodiment of the present invention;

fig. 9 is a schematic view of a housing according to an embodiment of the present invention;

fig. 10 is a simplified exploded view of a steering wheel switch and a housing according to an embodiment of the present invention.

Icon: 10-a housing; 11-a linker arm; 12-a connecting shell; 20-a touch housing; 30-a movable seat; 31-a sliding groove; 32-light holes; 33-protrusions; 34-mounting posts; 35-a second jaw; 40-a mating housing; 41-rib plate; 42-a limit end face; 43-first snap; 44-a second bayonet; 45-bumps; 46-a threaded post; 47-a first jaw; 48-a docking station; 50-a circuit board; 51-touch switch; 60-a bottom shell; 61-connecting column; 62-second snap; 70-a balance bar; 80-a sensing diaphragm; 121-a first bayonet; 122-slot.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1 to 10, the steering wheel switch provided in the present embodiment includes a touch housing 20, a sensing diaphragm 80, a movable base 30, a circuit board 50, and a mounting base; the movable seat 30 is slidably connected to the mounting seat, and the movable seat 30 can be close to or far away from the driver relative to the mounting seat; the circuit board 50 is arranged between the mounting seat and the moving seat 30, a touch switch 51 is arranged on one side of the circuit board 50 facing the moving seat 30, and the moving seat 30 can press the touch switch 51; the touch shell 20 is covered on one side of the movable seat 30 close to the driver, and the touch shell 20 comprises a plurality of instruction areas; the sensing film 80 is disposed between the touch casing 20 and the movable base 30, the sensing film 80 includes a sensing area corresponding to the command area, and the sensing film 80 is electrically connected to the circuit board 50.

Specifically, the mounting seat is a closed annular structure, and the movable seat 30 is located in an annular space of the mounting seat, and the structure of the movable seat is adapted to the annular structure of the movable seat 30. The movable base 30 is slidably engaged with the mounting base, and the touch casing 20 is fixedly disposed on the movable base 30, so that when the movable base 30 moves relative to the mounting base, the touch casing 20 moves synchronously. The sensing film 80 is adhered to the lower surface of the touch housing 20, the command area on the touch housing 20 corresponds to the sensing area on the sensing film 80, and the sensing film 80 is electrically connected to the circuit board 50 to facilitate the transmission of electrical signals. The sensing diaphragm 80 is a touch film, and can accurately sense the touch of the hand of the driver through the touch housing 20, so as to accurately position, i.e., accurately know the instruction area touched by the driver.

In actual use, when the driver presses the required command area to force the touch housing 20, the pressing force is transmitted to the movable seat 30 through the touch housing 20 to force the movable seat 30 to move away from the driver relative to the mounting seat, i.e. move downwards, and the touch housing 20 and the movable seat 30 move synchronously, so that the touch housing 20 moves synchronously downwards. When the movable base 30 moves down to press the touch switch 51 on the circuit board 50, the touch switch 51 is actuated to open to connect the sensing diaphragm 80 with the circuit on the circuit board 50, so as to convert the signal sensed by the sensing area into an electrical signal and transmit the electrical signal to the circuit board 50, and the circuit board 50 is electrically connected with the control unit of the corresponding operating system on the automobile, so as to open the operating system corresponding to the pressed command area. When the driver removes the pressure applied to the touch unit, the movable base 30 loses the pressing force, the touch switch 51 applies an upward (opposite direction) force to the movable base 30 due to the elastic action of its own structure, so as to urge the movable base 30 to return to the initial position, and the touch housing 20 moves upward synchronously with the movable base 30 to return to the initial position.

The steering wheel switch integrates switch keys on a touch shell 20, namely, the touch shell 20 is equivalent to a single key, and a plurality of instruction areas for displaying instruction keys are arranged on the touch shell 20, namely, a plurality of instruction areas are integrated on the touch shell 20 so as to be convenient for moving downwards and lifting integrally, and further the integrity of the key is increased. Meanwhile, when any one instruction area is pressed, the sensing area on the sensing membrane 80 can sense signals, and meanwhile, the touch shell 20 is driven by the moving seat 30 to realize downward movement of the whole body relative to the mounting seat, so that the corresponding key does not need to be pressed independently due to the fact that one instruction corresponds to one key, and further the touch difference between different keys is reduced.

It should be added that how the sensing diaphragm 80 senses the touch signal of the human body and how the touch switch 51 presses and turns on the corresponding circuit on the circuit board 50 are conventional means in the art and are not the improvement point of the present application.

With continued reference to fig. 3-7, the mounting base preferably further includes a mating housing 40 that is slidably engaged with the movable base 30; the movable base 30 is provided with a sliding groove 31, and the mating housing 40 is provided with a rib 41 which is slidably mated with the sliding groove 31.

Specifically, the mating housing 40 is a closed ring structure, the movable seat 30 is located in the ring region of the mating housing 40, and the mating housing 40 surrounds the outer side of the movable seat 30 and has a structure corresponding to the shape and structure of the mating housing 40. The sliding groove 31 is provided at an outer edge of the moving seat 30 and extends in a thickness direction of the moving seat 30; the rib plates 41 are arranged on the inner side wall of the matching shell 40 and extend along the thickness direction of the matching shell 40, and the rib plates 41 are in sliding fit with the sliding grooves 31 to realize reciprocating sliding of the moving seat 30 relative to the matching shell 40. Meanwhile, the rib plate 41 is correspondingly connected with the sliding groove 31, so that the connection and positioning between the matching shell 40 and the movable seat 30 are realized.

The movable base 30 has four sides adapted to the housing 40, and each side is provided with two spaced sliding grooves 31.

With continued reference to fig. 3 and 5, in practical use, the edge of the movable seat 30 is provided with a protrusion 33, and the mating housing 40 is provided with a butting platform 48; when the movable seat 30 approaches the driver with respect to the mating housing 40, the projection 33 can abut against the abutment stand 48.

In some embodiments, the touch casing 20 is fixedly disposed on the movable seat 30, and the touch casing 20 is fastened to a side of the mating casing 40 close to the driver, and a limiting end surface 42 is disposed on a side of the mating casing 40 facing the touch casing 20. When the touch housing 20 is squeezed to synchronously drive the movable seat 30 to move away from the driver relative to the mating housing 40, the end of the touch housing 20 away from the driver can abut against the limit end face 42.

With reference to fig. 3 and fig. 5, specifically, a limiting end surface 42 is disposed on a side of the matching housing 40 facing the touch housing 20, the limiting end surface 42 is disposed in a closed ring shape, that is, surrounds the outer side of the matching housing 40 for a circle, and a circumferential dimension for buckling with the touch housing 20 is smaller than a circumferential dimension for connecting with the casing 10. The touch housing 20 is fastened to the mating housing 40, and the lower end surface of the touch housing 20 can abut against the limit end surface 42 to limit downward movement of the touch housing 20. Meanwhile, a protrusion 33 extending toward the side wall of the mating housing 40 is provided on the side of the movable base 30 facing the circuit board 50, an abutting table 48 for abutting against the upper end face of the protrusion 33 is provided on the mating housing 40 at a position corresponding to the protrusion 33, and the side of the protrusion 33 facing the side wall of the mating housing 40 can slide relative to the side wall of the mating housing 40. Therefore, in actual use, when the touch housing 20 and the movable seat 30 slide downward, the end of the touch housing 20 away from the driver abuts against the limit end face 42 on the mating housing 40 to limit downward movement of the two; when the touch housing 20 and the movable base 30 slide upward, the protrusions 33 slide upward synchronously with the side walls of the mating housing 40, and when the upper end surfaces of the protrusions 33 abut against the lower surface of the abutting table 48, the touch housing 20 and the movable base 30 are limited from moving upward.

The touch housing 20 is fastened on one side of the matching housing 40 facing the driver, the touch housing 20 is fixedly connected with the movable base 30 through screws, and the movable base 30 is provided with mounting posts 34 for being in threaded fit with the screws, so that the touch housing 20 and the movable base 30 can move synchronously, that is, the touch housing 20 can move up and down relative to the matching housing 40.

With continued reference to fig. 2, 4, 6 and 7, the steering wheel switch preferably further includes a stabilizer bar 70; the balancing pole 70 has straight pole portion and sets firmly that one side of keeping away from touch casing 20 in the cooperation casing 40 of the portion of hooking back at straight pole portion both ends is provided with first jack catch 47, and first jack catch 47 and the cooperation of the portion's joint of hooking back, one side that touch casing 20 was kept away from to removal seat 30 are provided with second jack catch 35, and second jack catch 35 and straight pole portion joint cooperation, and balancing pole 70 can wind with the junction swing of first jack catch 47, balancing pole 70 can wind the junction swing with second jack catch 35.

Specifically, the inner side wall of the matching housing 40 is provided with a connecting plate extending towards the inner side, and the side wall of the connecting plate away from the touch unit is provided with a bayonet, so as to form a first clamping jaw 47. A second claw 35 is arranged on one side surface of the movable base 30 away from the touch unit, and the second claw 35 comprises opposite clamping feet arranged at intervals. The balance bar 70 includes a straight bar portion and hook portions fixedly disposed at both ends of the straight bar portion, that is, both ends of the straight bar portion are bent twice, the first time is bent in a direction perpendicular to the middle portion, and the second time is bent in a direction parallel to the middle portion.

During actual use, the two ends of the straight rod part of the balance rod 70 are respectively clamped and fixed through the paired second clamping claws 35, and the hooking parts on the balance rod 70 are respectively clamped and matched through the paired first clamping claws 47. When the moving block 30 slides downward or upward with respect to the mating housing 40, the balancing bar 70 moves synchronously with the moving block 30, and the balancing bar 70 swings around the connection with the first jaw 47 and around the connection with the second jaw 35. The two horizontal rods are arranged and have good rigidity, so that the edge stability of the movable seat 30 during movement is guaranteed.

In actual use, a first membrane is provided within the touch housing 20, the first membrane including pattern indicia corresponding to the command area.

Specifically, the touch housing 20 is manufactured by an IML (In Molding Label) process, and a first membrane is formed inside the touch housing 20, and a pattern mark corresponding to the command area is formed on the first membrane, so that a driver can select a corresponding command more intuitively.

Referring to fig. 3 and 4, preferably, a plurality of illuminating lamps are disposed on a side of the circuit board 50 facing the movable base 30, the movable base 30 is disposed with light holes 32 corresponding to the illuminating lamps, and the light holes 32 correspond to the pattern marks.

Specifically, the light is connected with circuit board 50 electricity, after the driver touches the touching casing, response diaphragm 80 perception to the touching of staff, can be with touching signal transmission to circuit board 50 on, and then through being located the little processing system analysis processing back on circuit board 50, the light that will be located on circuit board 50 switches on and lights, the light of light can pass light trap 32 and shine on touching casing 20, and then illuminate the pattern sign that sets up on first diaphragm to the driver looks over. The light hole 32 of the movable base 30 penetrates through the thickness direction of the movable base 30, so that the illumination of the illuminating lamp can be conveniently diffused to the touch casing 20, and the touch casing 20 can be lightened, especially the instruction on the touch casing 20 can be lightened.

In actual use, the mating housing 40 is provided with a threaded post 46, and the circuit board 50 is fixed to the mating housing 40 by screwing the threaded post 46 with a screw. And openings for the first jaw 47 and the second jaw 35 to pass through are provided on the circuit board 50 so as to snap-fit the fixed balance bar 70.

With continued reference to fig. 2 and 8, preferably, the mounting base further includes a bottom shell 60 fixedly disposed on a side of the mating shell 40 away from the movable base 30; a plurality of connecting posts 61 for fixedly connecting with a steering wheel are arranged on one side of the bottom shell 60 away from the matching shell 40.

Specifically, the bottom shell 60 is fixedly disposed on one side of the matching housing 40 away from the moving seat 30, a second locking protrusion 62 is disposed on the bottom shell 60, a second locking notch 44 is disposed at a corresponding position on the matching housing 40, and the second locking protrusion 62 is in clamping fit with the second locking notch 44, so as to achieve a fixed connection between the bottom shell 60 and the matching housing 40. Meanwhile, a connection column 61 is disposed on a side of the bottom case 60 away from the mating case 40, and the connection column 61 is used for being fixedly connected with a steering wheel.

In which a main circuit such as a micro-processing unit on the circuit board 50 is disposed on a side facing the bottom case 60, i.e., a side facing downward of the circuit board 50, to reduce the probability of contact with water or the like and increase the protection of the circuit board 50.

The embodiment also provides a steering wheel assembly, which comprises the steering wheel switch, a housing 10 and a steering wheel, wherein the housing 10 is buckled on the steering wheel, and at least one group of steering wheel switches are arranged on the housing 10.

It should be noted that the structure and the resulting beneficial effects of the steering wheel switch have been described in detail above, and thus are not described in detail herein.

With continued reference to fig. 1, 9 and 10, in practical use, the housing 10 includes a connecting arm 11 having a V-shape and connecting shells 12 respectively connected to two ends of the connecting arm 11; the steering wheel switch is correspondingly installed in the connection shell 12.

Specifically, the housing 10 is fixedly connected to the steering wheel, the housing 10 has two opposite connecting shells 12, and the two connecting shells 12 are connected to form a whole through the V-shaped connecting arm 11, that is, the two connecting shells 12 are respectively located at the V-shaped opening. Connecting shell 12 is closed loop configuration, and cooperation casing 40 is located the inboard of connecting shell 12, and every lower extreme edge of connecting shell 12 is provided with first bayonet 121, is provided with first calorie of protruding 43 on the cooperation casing 40 that corresponds, and first calorie of protruding 43 can the joint cooperation with first bayonet 121, and then realizes connecting shell 12 and the fixed mounting of cooperation casing 40. Meanwhile, the connecting shell 12 is provided with a slot 122, the corresponding matching shell 40 is provided with a projection 45 which is in splicing fit with the slot 122, and the matching of the projection 45 and the slot 122 facilitates the positioning and installation between the matching shell 40 and the connecting shell 12.

Wherein, a plurality of connectors for fixedly connecting with the steering wheel are arranged on the connecting arm 11 of the housing 10, thereby realizing that the steering wheel switch is fixed on the steering wheel through the housing 10. Meanwhile, the connecting column 61 on the bottom shell 60 is fixedly connected with the steering wheel, so that the connecting firmness between the two is further improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (10)

1. The steering wheel switch is characterized by comprising a touch shell (20), a sensing membrane (80), a moving seat (30), a circuit board (50) and a mounting seat;

the movable seat (30) is connected with the mounting seat in a sliding mode, and the movable seat (30) can be close to or far away from a driver relative to the mounting seat;

the circuit board (50) is arranged between the mounting seat and the moving seat (30), a touch switch (51) is arranged on one side, facing the moving seat (30), of the circuit board (50), and the moving seat (30) can press the touch switch (51);

the touch shell (20) is covered on one side of the moving seat (30) close to a driver, and the touch shell (20) comprises a plurality of instruction areas;

the sensing diaphragm (80) is arranged between the touch shell (20) and the moving seat (30), the sensing diaphragm (80) comprises a sensing area corresponding to the instruction area, and the sensing diaphragm (80) is electrically connected with the circuit board (50).

2. The steering wheel switch according to claim 1, wherein the mounting seat comprises a mating housing (40) slidably engaged with the moving seat (30);

the movable seat (30) is provided with a sliding groove (31), and the matching shell (40) is provided with a rib plate (41) in sliding fit with the sliding groove (31).

3. The steering wheel switch according to claim 2, wherein a protrusion (33) is provided at an edge of the moving seat (30), and the mating housing (40) is provided with an abutment (48);

when the movable seat (30) is close to a driver relative to the matching shell (40), the protrusion (33) can be abutted against the abutting table (48).

4. The steering wheel switch according to claim 3, wherein the touch casing (20) is fixedly arranged on the movable seat (30), the touch casing (20) is buckled on one side of the matching casing (40) close to a driver, and a limit end face (42) is arranged at the edge of one side of the matching casing (40) facing the touch casing (20);

the touch shell (20) is extruded to synchronously drive the movable seat (30) to be opposite to the matching shell (40) to be far away from a driver, and the end part, far away from the driver, of the touch shell (20) can be abutted against the limiting end face (42).

5. The steering wheel switch of claim 2, wherein the mount further comprises a balance bar (70);

the balance bar (70) is provided with a straight bar part and hook-back parts fixedly arranged at two ends of the straight bar part; keep away from cooperation casing (40) one side of touching casing (20) is provided with first jack catch (47), first jack catch (47) with the cooperation of hutch portion joint, remove seat (30) and keep away from one side of touching casing (20) is provided with second jack catch (35), second jack catch (35) with straight pole portion joint cooperation, just balancing pole (70) can around with the junction swing of first jack catch (47), balancing pole (70) can around with the junction swing of second jack catch (35).

6. The steering wheel switch according to claim 2, wherein the mounting base further comprises a bottom case (60) fixedly disposed on a side of the mating housing (40) away from the movable base (30);

and one side of the bottom shell (60) far away from the matching shell (40) is provided with a plurality of connecting columns (61) for fixedly connecting with a steering wheel.

7. The steering wheel switch according to any of claims 1-6, wherein a first membrane is disposed within the touch housing (20), the first membrane including a pattern logo corresponding to the command area.

8. The steering wheel switch according to claim 7, wherein a side of the circuit board (50) facing the movable base (30) is provided with a plurality of illuminating lamps, the movable base (30) is provided with light-transmitting holes (32) corresponding to the illuminating lamps, and the light-transmitting holes (32) correspond to the pattern marks.

9. A steering wheel assembly comprising the steering wheel switch of any of claims 1-8, and further comprising a housing (10) and a steering wheel;

the shell (10) is buckled on the steering wheel, and at least one group of steering wheel switches are arranged on the shell (10).

10. The steering wheel assembly according to claim 9, wherein the housing (10) includes a connecting arm (11) having a V-shape and connecting cases (12) connected to both ends of the connecting arm (11), respectively;

the steering wheel switch is correspondingly arranged in the connecting shell (12).

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