CN211376480U

CN211376480U - Electronic hand brake switch button

Info

Publication number: CN211376480U
Application number: CN202020167805.6U
Authority: CN
Inventors: 赵立顺
Original assignee: Zhejiang Conshion Auto Electronic Co ltd
Current assignee: Zhejiang Conshion Auto Electronic Co ltd
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-08-28
Anticipated expiration: 2030-02-12

Abstract

The utility model relates to a technical field of car manual brake discloses an electron manual brake shift knob, and its technical scheme main points are including the switch cap, epitheca and the inferior valve that set gradually, epitheca and switch cap joint, articulated with the inferior valve, install the circuit board in the inferior valve, install two micro-gap switches that are used for controlling the car brake respectively and separate the brake on the circuit board, one side of epitheca orientation inferior valve is equipped with the mounting groove, the mounting groove internal slip is equipped with the sliding seat, is provided with reset spring, one side that reset spring was kept away from to the sliding seat is rotated and is connected with the gyro wheel, the terminal surface of inferior valve orientation epitheca is equipped with reset groove, the gyro wheel supports the diapire that presses reset groove under reset spring's effect. The utility model discloses have and be difficult for the card dead, the little effect of potential safety hazard after the switch cap is pressed.

Description

Electronic hand brake switch button

Technical Field

The utility model relates to a technical field of car manual brake, it relates to an electron manual brake shift knob that says so more specifically.

Background

An electronic hand brake, namely an electronic parking brake system, is a technology for integrating temporary braking in a driving process and long-term braking after parking and realizing parking braking in an electronic control mode.

At present, the existing electronic hand brake switch button comprises a shell, a switch cap hinged with the shell and a silica gel pad arranged below the switch cap, wherein a bubble point is arranged on the silica gel pad, and a contact used for contacting a circuit board in the shell is arranged in the bubble point. When the crane manually presses the switch cap, one end of the switch cap can be pressed against the bubble point of the silica gel pad, so that the bubble point of the silica gel pad is deformed and generates elasticity. After the switch cap is loosened, the elastic action of the bubble point can drive the end, contacted with the switch cap, of the switch cap to pop up, so that the reset of the switch cap is realized.

However, the electronic handbrake switch button realizes the rebound resetting of the switch cap by utilizing the elastic force of the bubble point of the silica gel pad, when the elastic force of the bubble point in the silica gel pad is insufficient or the quantity of the bubble point in the silica gel pad is too small, the switch cap is easy to be clamped and cannot rebound after being pressed down, so that the contact in the bubble point is always contacted with the circuit board, the electronic handbrake is in a normally open or normally closed state, the electronic handbrake is not convenient for a driver to hold a vehicle, and the potential safety hazard is large.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an electron manual brake shift knob has the effect that difficult card is dead, the potential safety hazard is little after the switch cap is pressed.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an electron manual brake shift knob, is including the switch cap, epitheca and the inferior valve that set gradually, the epitheca is articulated with switch cap joint, with the inferior valve, install the circuit board in the inferior valve, install two micro-gap switches that are used for controlling the car brake respectively and separate the brake on the circuit board, the epitheca is equipped with the mounting groove towards one side of inferior valve, the mounting groove internal slip is equipped with the sliding seat, is provided with reset spring, one side that reset spring was kept away from to the sliding seat is rotated and is connected with the gyro wheel, the terminal surface of inferior valve towards the epitheca is equipped with the groove that resets, the gyro wheel supports the diapire that presses the groove that resets under reset spring.

By adopting the technical scheme, after the lower shell is arranged in the vehicle and matched with the base, one end of the switch cap can be lifted or pressed downwards, the other end of the switch cap is limited by the space of the base and is inconvenient for a human hand to stretch into, and the movable end of the switch cap is set to be a free end. When the free end of the switch cap is pressed down, the upper shell rotates along with the hinged shaft of the upper shell and the hinged shaft of the lower shell as an axis, and the inner wall of the mounting groove pushes the movable seat and the roller to rotate, so that the roller rolls along the reset groove and moves away from the initial position. The gyro wheel can receive the extrusion of the groove diapire that resets when removing for the sliding seat slides along the degree of depth direction of mounting groove, reset spring deformation and produce elasticity, thereby drive sliding seat and gyro wheel move and realize automatic re-setting to initial position, and then realize the resilience of switch cap and reset. Compared with a mode of realizing resilience by means of elasticity of a silica gel pad bubble point, the resilience mode has the advantages that the resilience effect of the reset spring is larger, the elasticity is not easy to weaken due to the increase of the use times, the resilience sensitivity is high after the switch cap is pressed, the switch cap is not easy to block, the state of a vehicle controlled by a driver is not influenced, and the potential safety hazard is small.

The utility model discloses further set up to: the reset groove comprises a fixed groove and two movable grooves which are respectively arranged on two sides of the fixed groove, and an included angle formed by the bottom surfaces of the two movable grooves is smaller than 120 degrees.

Through adopting above-mentioned technical scheme, when the gyro wheel moved the activity groove to both sides, the sliding seat can remove to the one side that is close to the mounting groove for reset spring pressurized deformation, it is bigger to the effort of sliding seat and gyro wheel to compare in tensile reset spring's mode, and it is effectual to reset.

The utility model discloses further set up to: the bottom surface of the fixing groove is arc-shaped.

Through adopting above-mentioned technical scheme, the bottom surface of fixed slot and the area of contact of gyro wheel circumference lateral wall are big for the gyro wheel removes more smoothly in the fixed slot.

The utility model discloses further set up to: the inner diameter of the fixing groove is gradually reduced from the middle to two sides.

Through adopting above-mentioned technical scheme, the gyro wheel bottom when initial position and the middle part contact of fixed slot diapire, the gyro wheel can receive the extrusion of fixed slot diapire earlier and remove to the mounting groove when removing to both sides, and the fixed slot plays transition and protection reset spring's effect for can not cause reset spring to produce instantaneous deformation when the gyro wheel moves to the activity groove from the fixed slot, has prolonged reset spring's life.

The utility model discloses further set up to: the intersection line of the bottom surface of the movable groove and the bottom surface of the fixed groove is a transition line, the surface which penetrates through the transition line and is tangent to the bottom surface of the fixed groove is an comparison surface, and the comparison surface is coplanar with the bottom surface of the movable groove close to the comparison surface.

Through adopting above-mentioned technical scheme, the transition department of fixed slot and activity groove is for smooth terminal surface and do not have the portion of bending, not only makes the gyro wheel move from the fixed slot to the activity groove when difficult to receive stumble, more smooth and easy, has still practiced thrift the strength that consumes when people remove the switch cap.

The utility model discloses further set up to: two pressure levers are arranged in the lower shell in a sliding mode and are respectively positioned right above the two micro switches.

By adopting the technical scheme, when the free end of the switch cap is pressed down, the pressure rod close to the free end of the switch cap is pressed and extrudes the micro switch positioned right below the pressure rod, and then the micro switch is triggered to control the vehicle to release the braking state. When the free end of the switch cap is lifted up, the pressure rod far away from the free end of the switch cap is pressed and extrudes the micro switch positioned below the pressure rod, so that the micro switch is triggered to control the vehicle to brake.

The utility model discloses further set up to: the circuit board is provided with a backlight lamp and an indicator lamp, the lower shell is provided with a backlight sleeve positioned right above the backlight lamp and an indicator sleeve positioned right above the indicator lamp, a backlight source channel for a light source of the backlight lamp to pass through is arranged in the backlight sleeve, an indicator light source channel for the light source of the indicator lamp to pass through is arranged in the indicator sleeve, and the switch cap is provided with a backlight light-transmitting part for the light source of the backlight lamp to externally irradiate and an indicator light-transmitting part for the light source of the indicator lamp to externally irradiate.

Through adopting above-mentioned technical scheme, when light was dim, the backlight lighted and penetrated through the printing opacity portion of being shaded outward, made things convenient for people to fix a position switch brake button fast when light was dim. When the microswitch for driving the vehicle brake works, the indicator light is turned on and emits outwards through the indicating light transmission part, so that people can conveniently master the working state of the vehicle. The backlight lamp and the indicator lamp can be separated by the backlight sleeve and the indicator sleeve, and interference generated when the two light sources work simultaneously is avoided.

The utility model discloses further set up to: and a light isolation plate positioned between the backlight light source channel and the indication light source channel is arranged in the upper shell.

By adopting the technical scheme, the light-isolating plate plays a role in secondary light isolation, and further prevents the backlight lamp and the indicator lamp from crosstalk interference due to space problems when the backlight lamp and the indicator lamp work simultaneously.

The utility model discloses further set up to: the surface mounting of circuit board has transparent waterproof silica gel pad, waterproof silica gel pad's size is not less than the circuit board size.

Through adopting above-mentioned technical scheme, waterproof silica gel pad cladding can effectively completely cut off the harm of liquid and dust to the circuit board outside the circuit board, has improved the waterproof dustproof performance of circuit board, has further improved electron manual brake shift knob's security. The waterproof silica gel pad is transparent, so that the light transmission of the backlight lamp and the indicator lamp cannot be influenced.

To sum up, the utility model discloses following beneficial effect has:

1. when the free end of the switch cap is pressed downwards or lifted upwards, the upper shell drives the movable seat and the idler wheel to rotate, so that the idler wheel moves relative to the reset groove and leaves the initial position, and meanwhile, the idler wheel can move towards one side close to the mounting groove under the extrusion of the bottom wall of the reset groove, the reset spring is pressed to deform and drives the idler wheel and the movable seat to return to the original position, and the switch cap is driven to reset automatically, and compared with a mode of using a silica gel pad point, the rebound mode has the advantages of better elastic action, difficulty in clamping the switch cap and small potential safety hazard;

2. when light is dim, the backlight lamp can scatter light outwards through the backlight light-transmitting part, so that people can conveniently and quickly position the electronic hand brake switch button; the indicator light can be used for indicating the braking state of the vehicle, and is beneficial to a driver to accurately control the vehicle; the backlight sleeve, the indicating sleeve and the light barrier play a role in blocking light, and light crosstalk interference between the backlight lamp and the indicating lamp is prevented.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is an exploded view of the present embodiment;

fig. 3 is an exploded view illustrating the separation of the switch cap and the upper case in the present embodiment;

fig. 4 is a partial sectional view of the lower case in the present embodiment.

Reference numerals: 1. a switch cap; 11. a free end; 12. a card slot; 13. a backlight light-transmitting portion; 14. an indication light-transmitting portion; 2. an upper shell; 21. a light-shielding plate; 22. a clamping block; 23. hinging a shaft; 24. mounting grooves; 241. a movable seat; 242. a return spring; 243. a roller; 3. a lower case; 31. a circuit board; 311. an electrical component; 312. a backlight; 313. an indicator light; 314. a microswitch; 32. inserting a pin; 33. a hinge hole; 34. a reset groove; 341. fixing grooves; 342. a movable groove; 343. a transition line; 344. a comparison surface; 35. a backlight sleeve; 36. an indicating sleeve; 37. a pressure lever; 4. waterproof silica gel pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses an electronic manual brake switch button, as shown in fig. 1 and 2, including switch cap 1, epitheca 2 and inferior valve 3 that set gradually from top to bottom, epitheca 2 and switch cap 1 joint, articulated with inferior valve 3, inferior valve 3 is installed in the vehicle on rather than complex base, and the one end that switch cap 1 can supply the people to insert to break off with the fingers and thumb manually is free end 11. The circuit board 31 is arranged in the lower shell 3, the contact pin 32 is inserted at the bottom, the electric element 311, the backlight 312, the indicator 313 and the two micro switches 314 are arranged on the circuit board 31, wherein the backlight 312 and the indicator 313 are both LED lamps, and the two micro switches 314 can be respectively used for controlling braking and braking of the vehicle. Two pressure levers 37 are slidably disposed in the lower case 3, and the two pressure levers 37 are respectively located right above the two micro switches 314.

As shown in fig. 2 and 3, two opposite side walls of the upper shell 2 are fixed with a clamping block 22, a clamping groove 12 clamped and matched with the clamping block 22 is arranged on the side wall of the switch cap 1, and the upper shell 2 and the switch cap 1 are clamped and connected through the clamping block 22 and the clamping groove 12. Integrated into one piece has two articulated shafts 23 on two relative outer walls of epitheca 2, and the relative two hinge holes 33 that are provided with on inferior valve 3, two articulated shafts 23 rotate respectively and connect in two hinge holes 33, and epitheca 2 can rotate around the relative inferior valve 3 of articulated shaft 23. After the lower shell 3 is installed in place, the free end 11 of the switch cap 1 is lifted by hand to drive the upper shell 2 to rotate, and the pressure rod 37 far away from the free end 11 of the switch cap 1 can extrude the micro switch 314 right below the switch cap, so that the micro switch 314 is triggered to work to brake the vehicle. Similarly, the free end 11 of the switch cap 1 is pressed down, the upper shell 2 rotates therewith and drives the pressing rod 37 close to the free end 11 of the switch cap 1 to move downwards, so that the pressing rod 37 presses the micro switch 314 right below the pressing rod 37, and the micro switch 314 is triggered to work to brake the vehicle.

As shown in fig. 2 and 3, two mounting grooves 24 are formed in the end surface of the upper case 2 close to the lower case 3, a movable seat 241 is slidably disposed in the mounting grooves 24, a return spring 242 is disposed between the movable seat 241 and the bottom wall of the mounting grooves 24, and a roller 243 is rotatably connected to one side of the movable seat 241 far from the return spring 242. Two reset grooves 34 are formed in the end surface of the lower shell 3 close to the upper shell 2, and the bottoms of the two rollers 243 are respectively pressed against the middle parts of the two reset grooves 34 under the action of the reset springs 242 close to the bottoms of the two rollers. When the upper case 2 rotates relative to the lower case 3, the movable seat 241 and the roller 243 are driven by the inner wall of the mounting groove 24 to rotate, so that the roller 243 rolls along the reset groove 34. When the distance between the roller 243 and the axis of the hinge shaft 23 is changed, the movable seat 241 and the roller 243 slide along the installation groove 24 and deform the return spring 242, and the roller 243 is driven to move to the initial state by the elastic force of the deformed return spring 242, so that the switch cap 1 is automatically reset.

As shown in fig. 2 and 4, the reset groove 34 includes a fixed groove 341 and two movable grooves 342, the two movable grooves 342 are respectively located at two sides of the fixed groove 341 and communicate with the fixed groove 341, and the bottom surface of the fixed groove 341 is arc-shaped and the inner diameter thereof gradually decreases from the middle to the two sides. The included angle formed by the bottom surfaces of the two movable grooves 342 is less than 120 degrees, a transition line 343 is arranged at the junction of the bottom surfaces of the movable grooves 342 and the bottom surface of the fixed groove 341, the surface which passes through the transition line 343 and is tangent to the bottom surface of the fixed groove 341 is a contrast surface 344, and the contrast surface 344 is coplanar with the bottom surfaces of the movable grooves 342 adjacent to the contrast surface 344. When the roller 243 moves from the initial position to two sides, the bottom wall of the fixing groove 341 gradually presses the roller 243 to move towards the mounting groove 24, the return spring 242 does not generate instantaneous deformation, and the service life is long; and the resistance applied when the roller 243 moves to the transition line 343 is small, and the smoothness is good when moving.

As shown in fig. 2 and 4, a backlight cover 35 and an indication cover 36 are integrally formed on the lower case 3, the backlight cover 35 is positioned right above the backlight 312, the indication cover 36 is positioned right above the indication lamp 313, and the indication lamp 313 is electrically connected to a microswitch 314 for controlling the braking of the vehicle. The backlight cover 35 is provided with a backlight light source passage through which a light source of the backlight 312 passes, and the indicator cover 36 is provided with an indicator light source passage through which a light source of the indicator lamp 313 passes.

As shown in fig. 2 and 3, the switch cap 1 is provided with a backlight translucent portion 13 and an indication translucent portion 14, the backlight translucent portion 13 is positioned right above the backlight light source channel, and the indication translucent portion 14 is positioned right above the indication light source channel. Specifically, the backlight translucent portion 13 may be a transparent portion of the switch cap 1 that is not painted, and the indication translucent portion 14 may be a translucent hole opened in the switch cap 1. An optical isolation plate 21 is integrally arranged in the upper shell 2, and the optical isolation plate 21 is positioned between the backlight light source channel and the indication light source channel. When the light is dim, the backlight 312 is turned on, and the backlight 312 can be radiated outside through the backlight light-transmitting part 13 no matter the vehicle is in a braking state or an unlocking state, so that people can conveniently and quickly position the switch cap 1. When the vehicle is braked, the indicator lamp 313 is lighted and emits light through the indicating light-transmitting part 14, so that people can conveniently control the braking state of the vehicle. The backlight sleeve 35, the indicating sleeve 36 and the light-shielding plate 21 all play a role of light shielding, so that crosstalk interference generated when the backlight 312 and the indicating lamp 313 are simultaneously turned on is avoided.

As shown in fig. 2, the outer surface of the circuit board 31 is provided with a transparent waterproof silicone pad 4, the size of the waterproof silicone pad 4 is larger than that of the circuit board 31, and the backlight 312, the indicator 313 and the electrical component 311 are covered therein. Waterproof silica gel pad 4 plays waterproof, dirt-proof effect, avoids liquid and dust to cause the injury to circuit board 31.

The working principle of the embodiment is as follows: when the vehicle is braked, the free end 11 of the switch cap 1 is lifted, the upper shell 2 rotates along with the free end and drives the pressing rod 37 far away from the free end 11 of the switch cap 1 to move downwards, the pressing rod 37 can press the micro switch 314 right below the pressing rod, so that the micro switch 314 is triggered to work to brake the vehicle, and meanwhile, the indicator light 313 is lightened and is emitted outwards through the indicating light-transmitting part 14. When the switch cap 1 moves, the roller 243 moves from the initial position to a side close to the free end 11 of the switch cap 1 and close to the mounting groove 24, and the return spring 242 is deformed under pressure and generates an elastic force, which can drive the switch cap 1 to realize automatic return. When the brake is released, the free end 11 of the switch cap 1 is pressed downwards, the pressure rod 37 close to the free end 11 of the switch cap 1 can press the micro switch 314 right below the free end, so that the micro switch 314 is triggered to work to drive the vehicle to release the brake, the roller 243 moves to one side far away from the free end 11 of the switch cap 1 from the initial position, and the reset spring 242 drives the switch cap 1 to automatically reset after the switch cap 1 is released.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an electron manual brake shift knob, is including switch cap (1), epitheca (2) and inferior valve (3) that set gradually, epitheca (2) and switch cap (1) joint, articulated with inferior valve (3), install circuit board (31) in inferior valve (3), install two micro-gap switch (314) that are used for controlling car brake and the release respectively on circuit board (31), its characterized in that: one side of epitheca (2) orientation inferior valve (3) is equipped with mounting groove (24), mounting groove (24) internal slip is equipped with movable seat (241), is provided with reset spring (242), one side that reset spring (242) were kept away from in movable seat (241) is rotated and is connected with gyro wheel (243), the terminal surface of inferior valve (3) orientation epitheca (2) is equipped with reset groove (34), gyro wheel (243) support the diapire that presses reset groove (34) under the effect of reset spring (242).

2. The electronic handbrake switch button according to claim 1, wherein: the reset groove (34) comprises a fixed groove (341) and two movable grooves (342) respectively arranged at two sides of the fixed groove (341), and the included angle formed by the bottom surfaces of the two movable grooves (342) is less than 120 degrees.

3. The electronic handbrake switch button according to claim 2, wherein: the bottom surface of the fixing groove (341) is arc-shaped.

4. The electronic handbrake switch button according to claim 3, wherein: the inner diameter of the fixing groove (341) is gradually reduced from the middle to two sides.

5. The electronic handbrake switch button according to claim 4, wherein: the intersection line of the bottom surface of the movable groove (342) and the bottom surface of the fixed groove (341) is a transition line (343), the surface which passes through the transition line (343) and is tangent to the bottom surface of the fixed groove (341) is an contrast surface (344), and the contrast surface (344) is coplanar with the bottom surface of the movable groove (342) close to the contrast surface.

6. The electronic handbrake switch button according to claim 1, wherein: two pressure levers (37) are arranged in the lower shell (3) in a sliding mode, and the two pressure levers (37) are located right above the two micro switches (314) respectively.

7. The electronic handbrake switch button according to claim 1, wherein: the switch cap is characterized in that a backlight lamp (312) and an indicator lamp (313) are installed on the circuit board (31), a backlight sleeve (35) located right above the backlight lamp (312) and an indicator sleeve (36) located right above the indicator lamp (313) are arranged on the lower shell (3), a backlight light source channel for a light source of the backlight lamp (312) to pass through is arranged in the backlight sleeve (35), an indicator light source channel for a light source of the indicator lamp (313) to pass through is arranged in the indicator sleeve (36), and a backlight light-transmitting portion (13) for a light source of the backlight lamp (312) to emit outside and an indicator light-transmitting portion (14) for a light source of the indicator lamp (313) to emit outside are arranged on the switch cap (1).

8. The electronic handbrake switch button according to claim 7, wherein: and a light isolation plate (21) positioned between the backlight light source channel and the indication light source channel is arranged in the upper shell (2).

9. The electronic handbrake switch button according to claim 7, wherein: the surface mounting of circuit board (31) has transparent waterproof silica gel pad (4), the size of waterproof silica gel pad (4) is not less than the size of circuit board (31).