CN114171335A

CN114171335A - Switch module

Info

Publication number: CN114171335A
Application number: CN202111604672.XA
Authority: CN
Inventors: 刘斌
Original assignee: Comax Electronics Huizhou Co Ltd
Current assignee: Comax Electronics Huizhou Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-03-11

Abstract

The invention provides a switch module, which comprises a shell, a bottom plate, a connecting rod assembly and an elastic assembly, wherein the bottom plate is provided with a through hole; the shell is buckled above the bottom plate, and the connecting rod assembly is respectively movably connected with the shell and the bottom plate so as to keep the shell parallel to the bottom plate during the downward movement of the shell relative to the bottom plate; elastic component and casing fixed connection, and butt bottom plate, elastic component are used for the casing when the relative bottom plate downstream under the exogenic action, elastic component takes place deformation, and restore to the throne for the casing and provide elastic restoring force. According to the invention, the shell is connected with the bottom plate through the connecting rod, so that the switch module is synchronously pressed down, and the tactile feedback and the reset of the shell are realized through the matching of the connecting rod and the elastic component. The switch module overcomes the defects of poor integral synchronous pressing performance and complex structural design of the switch module in the prior art, has a simple structure, and simultaneously reduces the volume and the production cost of the switch module.

Description

Switch module

Technical Field

The invention relates to the technical field of switches for vehicles, in particular to a switch module.

Background

With the continuous development of the passenger car industry, people have higher and higher requirements on the switch in the car, the function of the switch in the car is not limited to the opening and closing of functions, and the appearance, the hand feeling, the technological feeling, the cool and dazzling effects and the luxury effects are pursued by consumers more and more. The touch feedback of the switch switching of the application type of a multimedia module switch and a steering wheel module switch of a passenger vehicle on the market at present is basically realized by a vibration motor and a piezoelectric sensor which are arranged in the module. Meanwhile, because the shape of the operation panel is diversified, the whole factory has higher requirements on the integral synchronous pressing function of the operation panel.

But has the following defects: 1. the structure of the vibration motor and the piezoelectric sensor which are arranged in the module cannot adapt to the shape diversity of the operation panel, the integral synchronous pressing performance is poor, and the user experience is poor. 2. Because the current integrated module is gradually miniaturized, and the vibrations motor is big with piezoelectric sensor's volume, can not satisfy the requirement of small volume. 3. The structural design is complex and costly. 4. The visual impression is poor.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a switch module, which has the following specific technical scheme:

a switch module is characterized by comprising a shell, a bottom plate, a connecting rod assembly and an elastic assembly;

the shell is buckled above the bottom plate, and the connecting rod assembly is respectively movably connected with the shell and the bottom plate so as to keep the shell parallel to the bottom plate during the downward movement of the shell relative to the bottom plate;

the elastic assembly is fixedly connected with the shell and abutted against the bottom plate, and the elastic assembly is used for enabling the shell to deform when moving downwards relative to the bottom plate under the action of external force and providing elastic restoring force for resetting of the shell.

In a specific embodiment, the connecting rod assembly comprises at least two connecting rods, each connecting rod comprises a first side rod and a second side rod which are parallel to each other, the shell is provided with first grooves the number of which is consistent with that of the connecting rods, and the bottom plate is provided with second grooves the number of which is consistent with that of the connecting rods;

the first side rod of each connecting rod is rotationally clamped with the first groove, and the second side rod of each connecting rod is rotationally clamped with the second groove;

the connecting rod is configured in such a way that when the housing moves in a direction perpendicular to the bottom plate, the connecting rod takes the second side bar as a rotation axis, and the first side bar rotates around the rotation axis.

In a specific embodiment, the first groove is provided with an active space, and the active space provides a transverse moving space for the first side rod to move relative to the second side rod.

In one embodiment, the switch module is a polygonal structure, the at least two connecting rods are respectively and continuously arranged along the sides of the switch module, and the adjacent connecting rods are not parallel to each other.

In a specific embodiment, a first circuit board is arranged in the shell, the first circuit board is electrically connected with the elastic component, and the elastic component is used for conducting the first circuit board when being deformed under pressure;

the first circuit board is provided with a touch sensor, the shell is provided with at least one touch area, and the touch area is electrically connected with the touch sensor.

In a specific embodiment, the first circuit board is provided with at least one first LED lamp, the first LED lamp is arranged corresponding to the touch area, and is used for providing a light source for the touch area when the touch area is touched.

In a specific embodiment, the housing is provided with at least one light guide cavity, the light guide cavity is a hollow cylindrical structure, two ends of the light guide cavity are respectively communicated with the touch area and the first LED lamp, and a light source channel of the first LED lamp is formed inside the light guide cavity.

In a specific embodiment, a second circuit board and a light guide member are arranged in the housing, the second circuit board is electrically connected with the first circuit board, the second circuit board is arranged between the first circuit board and the housing, and the second circuit board is provided with a through hole allowing the light guide cavity to pass through;

the second circuit board is provided with a second LED lamp, the light guide piece is communicated with the second LED lamp in a butt joint mode, and the shell is provided with a light transmission area at the position corresponding to the light guide piece.

In a specific embodiment, the switch module is provided with at least one group of guide assemblies, each guide assembly comprises a guide groove and a guide bulge matched with the guide groove, the guide bulge is connected with the guide groove in a sliding mode, and the movement direction of the guide bulge relative to the guide groove is consistent with the movement direction of the shell;

the shell is provided with the guide groove, and the bottom plate is provided with the guide bulge; and/or, the shell is provided with the guide protrusion, and the bottom plate is provided with the guide groove.

In a specific embodiment, the elastic component comprises a tact switch, a top block is arranged on one side of the bottom plate close to the shell, and the tact switch is mounted on the side surface, facing the bottom plate, of the first circuit board and abuts against the top block.

The invention has at least the following beneficial effects:

the invention discloses a switch module, which comprises a shell, a bottom plate, a connecting rod assembly and an elastic assembly, wherein the bottom plate is provided with a bottom plate; the shell is buckled above the bottom plate, and the connecting rod assembly is respectively movably connected with the shell and the bottom plate so as to keep the shell parallel to the bottom plate during the downward movement of the shell relative to the bottom plate; elastic component and casing fixed connection, and butt bottom plate, elastic component are used for the casing when the relative bottom plate downstream under the exogenic action, elastic component takes place deformation, and restore to the throne for the casing and provide elastic restoring force. According to the invention, the shell is connected with the bottom plate through the connecting rod, so that the switch module is synchronously pressed down, and the tactile feedback and the reset of the shell are realized through the matching of the connecting rod and the elastic component. The switch module overcomes the defects of poor integral synchronous pressing performance and complex structural design of the switch module in the prior art, realizes integral synchronous pressing of the switch module, has a simple structure, reduces the size of the switch module and reduces the production cost.

Furthermore, the switch module is of a polygonal structure, and at least two connecting rods are arranged along at least two continuous edges of the switch module respectively, so that synchronous pressing of the switch module is ensured.

Further, the switch module is provided with a touch area on the touch sensor, the first LED lamp and the shell, the touch area is electrically connected with the touch sensor, the touch area and the first LED lamp are correspondingly arranged, and the touch function and the light effect of the switch module are achieved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a switch module provided in embodiment 1;

fig. 2 is an exploded view of the switch module provided in embodiment 1;

fig. 3 is a schematic structural diagram of an upper cover of a housing of a switch module provided in embodiment 1;

fig. 4 is a schematic structural diagram of a housing main body of the switch module provided in embodiment 1;

fig. 5 is a schematic structural diagram of a first circuit board of the switch module provided in embodiment 1;

fig. 6 is a cross-sectional view of a switch module provided in embodiment 1;

fig. 7 is a schematic structural diagram of a link of the switch module provided in embodiment 1.

Reference numerals:

1-a shell; 2-a bottom plate; 3-a connecting rod; 4-a first circuit board; 5-a second circuit board; 6-a light guide; 7-an elastic component; 11-upper cover; 21-a second groove; 22-a guide projection; 23-a top block; 24-an extension; 31-link long side; 32-link short side; 41-elastic switch; 42-positioning holes; 43-a first LED lamp; 51-a second LED lamp; 52-first via; 111-touch area; 112-a light guide cavity; 113-a card slot; 115-clear icon; 116-a vertical portion; 117-installation channel; 118-a fixation section; 121-a first groove; 122-a guide groove; 123-a separator; 124-claws; 125-connector interface; 126-boss; 1231-separator upper surface; 1232-lower surface of separator; x1-activity space; x2-reserve gap.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the present invention provides a switch module, which includes a housing 1, a bottom plate 2, a connecting rod assembly and an elastic assembly 7; the shell 1 is buckled above the bottom plate 2, and the connecting rod assembly is rotatably arranged between the shell 1 and the bottom plate 2 so as to keep the shell 1 parallel to the bottom plate 2 during the downward movement of the shell 1 relative to the bottom plate 2; elastic component 7 and 1 fixed connection of casing, and butt bottom plate 2, elastic component 7 are used for casing 1 to move down for bottom plate 2 under the exogenic action, drive the synchronous downstream of elastic component 7, and elastic component 7 takes place to deform, and provides elastic restoring force for casing 1 resets.

Example 1

As shown in fig. 1 to 7, the switch module is a polygonal structure, the housing 1 and the bottom plate 2 are connected by a link assembly, the link assembly includes at least two links 2, the at least two links 2 are respectively and continuously disposed along the edges of the switch module, and the adjacent links 2 are not parallel to each other. In this embodiment, the switch module is a quadrilateral structure, the housing 1 is a square body, and the bottom plate 2 matches with the shape and size of the open end of the housing 1. In the present embodiment, the connecting rod assembly includes four connecting rods 3, and the four connecting rods 3 are respectively disposed along four continuous edges of the switch module.

In particular, the housing 1 and the base plate 2 can also have various shapes: the housing 1 may be a square body, and the bottom plate 2 is correspondingly square, so that the housing 1 and the bottom plate 2 are buckled into a square body. The shell 1 can also be other polygonal bodies, the bottom plate 2 corresponds to other polygons with the shell 1, and the shell 1 and the bottom plate 2 are buckled into other polygonal bodies.

The base plate 2 comprises a base plate 2 inner surface and a base plate 2 outer surface. The connecting rod 3 is connected with the inner surface of the bottom plate 2. Each side of the inner surface of the base plate 2 is provided with an extension 24. The extension 24 extends from the inner surface of the base plate 2 toward the side of the housing 1, and the extension 24 is perpendicular to the base plate 2. The extension 24 includes an inner surface of the extension 24 and an outer surface of the extension 24, and the outer surface of the extension 24 is a side near the side of the base plate 2. The outer surface of the extension 24 is provided with at least one second groove 21. In the present embodiment, the extension portion 24 is provided with two second grooves 21, and the two second grooves 21 are respectively located at two sides of the outer surface of the extension portion 24.

The connecting rod 3 comprises a first side bar and a second side bar parallel to each other. In the present embodiment, the link 3 is generally C-shaped and includes a long link side 31 and two short link sides 32. The first side lever is a long link 31, the second side lever is two short link 32, two ends of the long link 31 are bent to extend out of the short link 32, and the long link 31 is parallel to the short link 32. The second grooves 21 are matched with the cross section shape and size of the long side 31 of the connecting rod, and the left end and the right end of the long side 31 of the connecting rod are rotationally clamped with the two second grooves 21 respectively. In this embodiment, the four connecting rods 3 are rotatably engaged with the second grooves 21 of the four extending portions 24, respectively.

In particular, an opening is provided between the two link short sides 32, facilitating the assembly of the link 3.

As shown in fig. 1 to 7, the casing 1 is provided with a partition plate 123, and the partition plate 123 divides the casing 1 into a first space and a second space. The baffle 123 includes a baffle upper surface 1231 and a baffle lower surface 1232. The lower surface 1232 of the partition board is provided with a bending portion bending downwards, and the bending portion is bent to form the first groove 121. In this embodiment, two first grooves 121 are correspondingly disposed on one side wall of the housing 1, that is, two bent portions are correspondingly disposed on one side wall of the housing 1. The first groove 21 is matched with the cross section shape and size of the short side 32 of the connecting rod. Two short edges at two ends of the long edge 31 of the connecting rod are respectively clamped with the two first grooves 121.

When the connecting rod 3 is used for the downward movement of the stress of the housing 1 relative to the bottom plate 2, the connecting rod 3 uses the end of the connecting rod 3 located in the second groove 21 as the rotation axis to drive the end of the connecting rod 3 located in the first groove 121 to rotate, that is, the connecting rod 3 uses the long side 31 of the connecting rod as the rotation axis to drive the short side 32 of the connecting rod to rotate. In the present embodiment, four connecting rods 3 are correspondingly disposed on four consecutive sides of the switch module, so that when the housing 1 is subjected to an external force, the housing 1 is kept parallel to the base plate 2 during the downward movement of the housing 1 relative to the base plate 2.

The first groove 121 is provided with a movable space X1 of the link 3, the movable space X1 extending toward the inside of the first groove 121 and being parallel to the bottom plate 2. In this embodiment, the movable space X1 has a circular inner wall with a cross-sectional shape that matches the shape and size of the short side 32 of the link. The link short edge 32 is engaged with the first groove 121, and when the housing 1 moves downwards under the action of an external force, the link short edge 32 moves towards the moving space X1 until the link short edge 32 abuts against the circular inner wall. When the external force applied to the housing 1 disappears and the elastic component 7 provides the restoring elastic force under the elastic action to drive the housing 1 to reset upwards, the short side 32 of the connecting rod is driven to leave the movable space X1 until the short side 32 of the connecting rod is clamped with the first groove 121 again.

The connecting rod 3 is used for connecting the shell 1 and the bottom plate 2, and a gap X2 is reserved between the shell 1 and the bottom plate 2. The shell 1 moves relative to the bottom plate 2 under the action of external force, and drives all the link short sides 32 to rotate downwards relative to the link long sides 31, so that the link short sides 32 slide into the movable space X1 until the link short sides 32 abut against the circular inner wall, and no gap exists between the shell 1 and the bottom plate 2.

Specifically, the connecting rod 3 is made of a metal structure.

As shown in fig. 1 to 7, at least one set of guide assembly is disposed between the housing 1 and the bottom plate 2, the guide assembly includes a guide groove 122 and a guide protrusion 22 matching with the guide groove 122, the guide protrusion 22 is slidably connected with the guide groove 122, and a moving direction of the guide protrusion 22 relative to the guide groove 122 is consistent with a moving direction of the housing 1. In the present embodiment, the housing 1 is provided with a guide groove 122, and the guide groove 122 is located on the partition 123; the base plate 2 is provided with a guide projection 22, and the guide projection 22 is positioned on the extension portion 24.

In particular, the guide assemblies are provided in two sets, respectively disposed at opposite sides of the housing 1, to ensure that the housing 1 moves in a predetermined direction,

optionally, in other embodiments, a guide protrusion may be disposed on the housing 1, and a guide groove may be disposed on the bottom plate 2.

In this embodiment, each side of the housing 1 is provided with a guide member. Four guide grooves 122 are respectively arranged around the partition 123, and the guide grooves 122 are perpendicular to the bottom plate 2. The four extending portions 24 are correspondingly provided with guide protrusions 22, and the guide protrusions 22 are arranged on the inner surfaces of the extending portions 24 opposite to the second grooves 21. The guide groove 122 is coupled with the guide protrusion 22. When the shell 1 is connected with the bottom plate 2 through the connecting rod assembly, the guide protrusion 22 is connected with the guide groove 122 in an inserting manner.

Specifically, two guide grooves 122 may be formed at opposite sides of the partition 123, two guide protrusions 22 may be correspondingly formed at the extension portion 24, and the guide protrusions 22 are coupled with the guide grooves 122.

Four connecting rods 3 are arranged around the switch module, and the connecting rods 3 are rotatably arranged between the shell 1 and the bottom plate 2, so that the shell 1 drives all the connecting rod short sides 32 to rotate downwards relative to the connecting rod long sides 31 under the action of external force, and the shell 1 is kept parallel to the bottom plate 2 during the downward movement of the shell 1 relative to the bottom plate 2. Furthermore, the guide protrusions 22 and the guide grooves 122 are arranged on the periphery of the switch module, so that the guide protrusions 22 are connected with the guide grooves 122 in an inserting mode, the shell 1 is guaranteed to move along a preset path, synchronous pressing of the shell 1 under the action of external force is achieved, and the application range is wide.

As shown in fig. 1 to 7, the housing 1 includes an upper cover 11 and a housing 1 main body, and the upper cover 11 is connected to the housing 1 main body. The upper cover 11 is disposed on the upper surface of the main body of the housing 1. The top surface of the side wall of the main body of the casing 1 is provided with a stepped boss 126 extending to the upper cover 11, the upper cover 11 is provided with a vertical part 116 bending downwards, the vertical part 116 is located outside the boss 126, and the vertical part 116 and the boss 126 form a staggered buckling structure, so that the upper cover 11 is tightly connected with the main body of the casing 1.

Fixing portions 118 extending downward are disposed on two sides of the upper cover 11, and a locking groove 113 is disposed on the fixing portions 118. The main body 12 of the shell 1 is correspondingly provided with two claws 124, and the two claws 124 are oppositely arranged on the outer surface of the side wall of the main body 12 of the shell 1. The clamping grooves 113 and the clamping claws 124 are clamped one by one to form fixation. The upper cover 11 is fixed to the main body 12 of the housing 1 by the catching groove 113 and the catching jaw 124. And form dislocation lock structure through jack catch 124 and draw-in groove 113 joint, vertical portion 116 and boss 126, make casing 1 inside isolated with external, increase switch module's waterproof performance.

As shown in fig. 1 to 7, the first circuit board 4 is located in the first space of the housing 1. The partition plate upper surface 1231 is provided with a positioning column, the first circuit board 4 is provided with a positioning hole 42 matched with the positioning column, and the first circuit board 4 is fixed on the partition plate upper surface 1231 through the positioning column and the positioning hole 42. The first circuit board 4 includes a first circuit board 4 upper surface and a first circuit board 4 lower surface. The upper surface of the first circuit board 4 is provided with electronic components, the lower surface of the first circuit board 4 is provided with an elastic component 7, and the elastic component 7 is electrically connected with the first circuit board 4 and used for realizing the electrical connection of the first circuit board 4 in a pressed state. The partition 123 is provided with a second through hole, and the second through hole is used for penetrating the elastic component 7. Due to the short movement stroke of the elastic assembly 7, the inner surface of the bottom plate 2 is provided with an upwardly extending top block 23. The elastic member 7 passes through the second through hole and abuts against the top block 23. When the shell 1 moves downwards under the action of external force, the shell 1 drives the elastic component 7 to move downwards, so that the elastic component 7 is extruded by the top block 23, and the elastic component 7 is pressed and deformed to conduct the first circuit board 4; when the external force disappears, the elastic component 7 drives the shell 1 to reset under the elastic force, and the touch feedback after the switch module is switched is realized.

Specifically, the housing 1 main body is provided with a connector interface 125, and the connector interface 125 is electrically connected to the first circuit board 4.

Specifically, the elastic component 7 includes a tact switch 41, and the tact switch 41 is used for making the first circuit board 4 conductive under the action of an external force. The tact switch 41 is internally provided with a spring piece and a conductive terminal, and the spring piece is pressed to contact with the conductive terminal under the action of external force so as to trigger the tact switch 41. When the tact switch 41 is in a stationary state, the resilient piece and the conductive terminal are in a separated state, and the switch is turned off. When the tact switch 41 is in a pressed state, it is in a contact state with the conductive terminal, and the tact switch 41 is turned on.

As shown in fig. 1 to 7, the first circuit board 4 is provided with a plurality of first LED lamps 43 and touch sensors, the upper cover 11 is provided with a touch area 111, the touch area 111 is electrically connected to the touch sensors, and the touch area 111 is provided with a plurality of touch keys, which are disposed corresponding to the first LED lamps 43. In the present embodiment, four first LED lamps 43 are disposed on the first circuit board 4. Four touch keys are provided on the touch area 111. The upper cover 111 is provided with a light guide cavity 112 extending towards the partition 123, the light guide cavity 112 is a hollow cylindrical body, a light source channel of the first LED lamp is formed inside the light guide cavity 112, and two ends of the light guide cavity 112 are respectively communicated with the touch key and the first LED lamp 43. The first LED lamp 43 emits a light source and transmits the light source to the touch key through the light guide cavity 112 for indicating that the touch key is activated. The touch keys correspond to the touch sensors, when the first circuit board 4 is activated, a user touches the corresponding touch keys, the touch sensors output signals to the first circuit board 4, and the first circuit board 4 receives the signals and then lights the corresponding first LED lamps 43.

Preferably, the light guide cavities 112 correspond to the number of the first LED lamps 43.

Specifically, a transparent icon 115 is disposed on the touch key for indicating a control module corresponding to the touch key, for example, as shown in fig. 1, R, B, G, F in the figure is a different control module. Preferably, the transparent icon 115 is formed by a laser etching process or the like to form the transparent icon 115.

Specifically, the first LED lamp 43 and the touch sensor are fixed on the first circuit board 4 by Surface Mount Technology (SMT).

As shown in fig. 1 to 7, the switch module further includes a second circuit board 5 and a light guide 6. The second circuit board 5 is located between the first circuit board 4 and the upper cover 11. The second circuit board 5 is provided with a first through hole 52, the shape of the first through hole 52 is matched with the cross-sectional shape of the light guide cavity 112, and the first through hole 52 is arranged outside the light guide cavity 112 in a penetrating manner. In this embodiment, the second circuit board 5 is provided with four first through holes 52, and the first through holes 52 are circular, so that the light guide cavity 112 covers the periphery of the first LED lamp 43 after passing through the first through holes 52.

The second circuit board 5 is provided with a second LED lamp 51, the second circuit board 5 is electrically connected with the first circuit board 4, the second LED lamp 51 is controlled by a trigger signal, the trigger signal is triggered by the movement of the shell 1 relative to the bottom plate 2 under stress and the compression deformation of the elastic component 7, and then the second LED lamp 51 is lighted. The upper cover 11 is provided with an installation channel 117 of the light guide 6, and the light guide 6 is clamped in the installation channel 117, in this embodiment, the installation channel 117 is wound outside the four light guide cavities 112, in other embodiments, the installation channel 117 can be set to have different shapes according to predetermined requirements, and the light guide 6 is fixed on the installation channel 117.

Specifically, the upper cover 11 is provided with the light transmission area, the light transmission area corresponds to the installation channel 117, and is used for transmitting the light source of the second LED lamp 51 to the light transmission area through the light guide member 6, and the second LED lamp 51 is communicated with the light guide member 6 in a butt joint manner, so that the brightness of the upper cover 11 is increased, and the visual experience of a user is improved. Preferably, the second LED lamp 51 is a colored lamp, and the color of the second LED lamp can be changed according to a predetermined requirement.

Specifically, the second circuit board 5 is a flexible circuit board (FPC).

The switch module is specifically configured as follows:

when the switch module is in a static state, namely, when a gap exists between the shell 1 and the bottom plate 2, the connecting rod 3 is respectively connected with the first groove 121 and the second groove 21 in a clamping manner, the elastic component 7 is abutted against the top block 23, the first circuit board 4 is not conducted, and the switch module is disconnected at the moment.

When the switch module is in a pressed state, the shell 1 moves relative to the base plate 2, the short side 32 of the connecting rod moves downwards relative to the long side 31 of the connecting rod to the short side 32 of the connecting rod to be abutted against the movable space, no gap exists between the shell 1 and the base plate 2, the elastic component 7 is pressed to enable the first circuit board 4 to be conducted, the second LED lamp 51 is lightened, and the switch module has a light effect. When a user touches any touch key, the touch sensor outputs a signal to the first LED lamp 43 corresponding to the touch key, and the first LED lamp 43 lights up.

When the pressing state of the switch module disappears, the elastic component 7 provides a restoring elastic force under the elastic action to drive the housing 1 to reset upwards, and drives the short side 32 of the connecting rod to leave the movable space X1 until the short side 32 of the connecting rod is clamped with the first groove 121 again.

Those skilled in the art will appreciate that the figures are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.

Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.

The above-mentioned invention numbers are merely for description and do not represent the merits of the implementation scenarios.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A switch module is characterized by comprising a shell, a bottom plate, a connecting rod assembly and an elastic assembly;

2. The switch module according to claim 1, wherein the link assembly comprises at least two links, each link comprises a first side bar and a second side bar parallel to each other, the housing is provided with a first groove corresponding to the number of the links, and the base plate is provided with a second groove corresponding to the number of the links;

3. The switch module of claim 2, wherein the first recess is provided with a space for movement, the space for movement providing a space for lateral movement of the first side bar relative to the second side bar.

4. The switch module of claim 2, wherein the switch module is a polygonal structure, the at least two connecting rods are respectively arranged along the sides of the switch module in a continuous manner, and the adjacent connecting rods are not parallel to each other.

5. The switch module according to claim 1, wherein a first circuit board is disposed in the housing, the first circuit board is electrically connected to the elastic component, and the elastic component is configured to conduct the first circuit board when the elastic component is deformed under pressure;

6. The switch module according to claim 5, wherein the first circuit board is provided with at least one first LED lamp, the first LED lamp is arranged corresponding to the touch area, and the first LED lamp is used for providing a light source for the touch area under the touch action of the touch area.

7. The switch module according to claim 6, wherein the housing is provided with at least one light guide cavity, the light guide cavity is a hollow cylindrical structure, two ends of the light guide cavity are respectively communicated with the touch area and the first LED lamp, and a light source channel of the first LED lamp is formed inside the light guide cavity.

8. The switch module according to claim 7, wherein a second circuit board and a light guide member are disposed in the housing, the second circuit board is electrically connected to the first circuit board, the second circuit board is disposed between the first circuit board and the housing, and the second circuit board is provided with a through hole allowing the light guide cavity to pass therethrough;

9. The switch module according to claim 1, wherein the switch module is provided with at least one set of guide components, the guide components comprise guide grooves and guide protrusions matched with the guide grooves, the guide protrusions are slidably connected with the guide grooves, and the moving direction of the guide protrusions relative to the guide grooves is consistent with the moving direction of the shell;

10. The switch module according to claim 1, wherein the elastic component comprises a tact switch, a top block is disposed on a side of the bottom plate close to the housing, and the tact switch is mounted on a side of the first circuit board facing the bottom plate and abuts against the top block.