Steering wheel switch capable of preventing oil spilling

Abstract

A steering wheel switch capable of preventing oil spilling comprises a shell, a circuit assembly, a push rod assembly and a stirring assembly arranged outside the push rod assembly in a sleeving mode, the stirring assembly is used for enabling the push rod assembly to achieve four-direction pushing or axial pressing action, and the push rod assembly comprises a pushing inner shell and a push rod. A guide groove used for being connected with the shifting assembly in a sliding and clamping mode is formed in the outer portion of the inner pushing shell, a turned-over edge which surrounds the guide groove in the circumferential direction and is close to one end of the push rod is arranged outside the inner pushing shell, a first protruding rib is arranged on the turned-over edge, and a second protruding rib extending outwards is arranged in the guide groove. And a hook groove with a downward opening is formed between the first convex rib and the second convex rib.

Description

Technical Field

[0001] The utility model relates to an oil spill-proof steering wheel switch, belonging to the automobile field. Background Art

[0002] With the development of automobile technology, the steering wheel switch, as an important human-machine interface of the car, has a relatively powerful use function, integrating the functions including speakers, volume increase and decrease and mode switching of the entertainment system, driving computer control, cruise control, and gear control. During driving, the driver will operate the steering wheel switch on the car to make signal prompts and driving actions. Therefore, the quality and performance of the steering wheel switch directly affect the entire driving safety and driving comfort. The function control switch is installed on the steering wheel of the car, so that the driver can operate various control functions without leaving the steering wheel, which is more convenient to use. In addition to buttons, the steering wheel switch is often arranged with a roller to control the volume, etc.

[0003] The steering wheel switches on the market have many functional requirements, many corresponding buttons, complex matching relationships, many mold parts, and high costs. The four-way toggle and push steering wheel switches that have been on the market have problems such as no backlight on the push rod, oil leakage in the middle of the push rod, and insufficient strength. Utility Model Content

[0004] The utility model aims to overcome the shortcomings and deficiencies of the prior art and to provide an oil spill-proof steering wheel switch.

[0005] A steering wheel switch to prevent oil spillage, comprising a shell, a circuit assembly, a push rod assembly, and a toggle assembly sleeved on the outside of the push rod assembly, the toggle assembly being used to enable the push rod assembly to achieve four-way pushing or axial pressing action, the push rod assembly comprising a pushing inner shell and a push rod, the pushing inner shell being provided with a guide groove on the outside for sliding engagement with the toggle assembly, the pushing inner shell being provided with a flange circumferentially surrounding the guide groove and close to one end of the push rod, the flange being provided with a first rib, the guide groove being provided with a second rib extending outward, a hook groove opening downward being formed between the first rib and the second rib.

[0006] Furthermore, the shifting assembly includes front and rear shifting blocks and left and right shifting blocks, and guide blocks for sliding engagement with guide grooves are provided on inner walls of the left and right shifting blocks.

[0007] Preferably, the guide grooves are arranged around the pushing inner shell, and the upper contour surface of the flange is a spherical surface.

[0008] Preferably, the push rod includes a driving part and a light-transmitting part arranged in the driving part, the light-transmitting part is made of a light-transmitting material, the pushing inner shell is provided with a guide part extending into the light-transmitting part and abutting against the light-transmitting part, and the guide part is provided with a light-transmitting hole for transmitting light to the light-transmitting part so that the light-transmitting part can transmit light.

[0009] Preferably, engaging holes engaged with the light-transmitting portion are provided on both sides of the guide portion, a engaging block is provided in the engaging hole, engaging arms extend from both sides of the light-transmitting portion, and a engaging groove engaged with the engaging block is provided on the engaging arms.

[0010] Furthermore, a limiting groove surrounds the clamping hole, and the bottom of the driving part extends into the limiting groove and abuts against the limiting groove.

[0011] Preferably, the guide portion is provided with an extended section.

[0012] Furthermore, rotating blocks are provided on both sides of the left and right shift blocks, and rotating holes are provided on the front and rear shift blocks for rotationally connecting to the rotating blocks. The rotating blocks cooperate with the rotating holes so that the front and rear shift blocks are arranged at the same height as the left and right shift blocks. The front and rear shift blocks and the left and right shift blocks are linked around with a top rod for triggering the circuit component to send an electrical signal through a pressing action or a pushing action.

[0013] Preferably, both sides of the front and rear shift blocks and the left and right shift blocks are provided with pressing parts extending to the top of the top rod and abutting against it, and the pressing parts of the front and rear shift blocks and the left and right shift blocks are staggered.

[0014] Furthermore, the circuit assembly includes a conductive rubber for mounting the ejector pin, a circuit board and a pin assembly.

[0015] The beneficial effects of the utility model are as follows: by arranging a flange on the guide groove of the pushing inner shell, in conjunction with the hook groove, the anti-oil overflow function of the steering wheel switch can be achieved, thereby avoiding the lubricating oil from overflowing during use, which affects the feel and effect of use, and the second convex rib in the guide groove further enhances the anti-oil overflow effect. The lubricating oil will not flow outward along the guide groove but will flow back into the components, thereby ensuring a clean external use environment. The structure is simple and compact, has good reliability, low cost, reasonable layout, saves structural space, and simplifies the design of the steering wheel switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still belong to the scope of the utility model.

[0017] Figure 1It is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the main structure section;

[0019] Figure 3 Schematic diagram of the main structure of the push rod assembly;

[0020] Figure 4 A schematic diagram of the main structure of the push rod assembly from another perspective;

[0021] Figure 5 is a schematic diagram of the cross-sectional structure of the push rod assembly;

[0022] Figure 6 is a schematic diagram of the cross-sectional structure of the push rod assembly from another perspective;

[0023] Figure 7 A schematic diagram of the main structure for driving the inner shell;

[0024] Figure 8 It is a schematic diagram of the main structure of the circuit component and the toggle component;

[0025] Fig. 9 It is a schematic diagram of the main structure of the toggle component;

[0026] In the figure, 1, shell; 2, circuit assembly; 21, conductive rubber; 22, circuit board; 23, pin assembly; 3, push rod assembly; 31, push inner shell; 311, guide groove; 312, second convex rib; 313, flange; 314, first convex rib; 315, hook groove; 316, guide part; 317, snap-in hole; 318, snap block; 319, limit groove; 320, extension section; 32, push rod; 321, drive part; 322, light-transmitting part; 323, snap-in arm; 324, snap slot; 4, toggle assembly; 41, front and rear toggle blocks; 411, rotating hole; 42, left and right toggle blocks; 421, guide block; 422, rotating block; 423, pressing part; 43, push rod. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings.

[0028] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are for distinguishing two non-identical entities with the same name or non-identical parameters. It can be seen that "first" and "second" are only for the convenience of expression and should not be understood as limitations on the embodiments of the present invention. The subsequent embodiments will not explain this one by one.

[0029] The directions and positions mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., are only for reference to the directions or positions of the drawings. Therefore, the directions and positions used are used to explain and understand the present invention, but not to limit the scope of protection of the present invention.

[0030] like Figure 1-4 As shown, an embodiment of an oil spill prevention steering wheel switch of the utility model comprises a housing 1, a circuit assembly 2, a push rod 32 assembly 3, and a toggle assembly 4 sleeved on the outside of the push rod 32 assembly 3, wherein the toggle assembly 4 is used to enable the push rod 32 assembly 3 to achieve a four-way pushing or axial pressing action, and the push rod 32 assembly 3 comprises a pushing inner shell 31 and a push rod 32, wherein the pushing inner shell 31 is provided with a guide groove 311 for sliding engagement with the toggle assembly 4 on the outside, and the pushing inner shell 31 is provided with a flange 313 circumferentially surrounding the guide groove 311 and close to one end of the push rod 32 on the outside, wherein the flange 313 is provided with a first rib 314, and a second rib 312 extending outward is provided in the guide groove 311, and a hook groove 315 opening downward is formed between the first rib 314 and the second rib 312. By arranging a flange 313 on the guide groove 311 of the pushing inner shell 31, in cooperation with the hook groove 315, the anti-oil overflow function of the steering wheel switch can be achieved, thereby preventing the lubricating oil from overflowing during use and affecting the feel and effect of use. The second rib 312 of the guide groove 311 further enhances the anti-oil overflow effect. The lubricating oil will not flow outward along the guide groove 311 but will flow back into the components, thereby ensuring a clean external use environment.

[0031] See also Figure 3 , 8 -9, the shifting assembly 4 includes a front and rear shifting block 41 and a left and right shifting block 42, and the inner wall of the left and right shifting block 42 is provided with a guide block 421 for sliding engagement with the guide groove 311. The guide block 421 is used to cooperate with the guide groove 311, so that the push rod 32 assembly 3 can perform a pressing action, and a certain space is formed to buffer the lubricating oil during pressing, and the hook groove 315 will not cause oil overflow.

[0032] See also Figure 1-4 The guide grooves 311 are arranged around the inner shell 31, and the upper contour surface of the flange 313 is a spherical surface. The guide grooves 311 are evenly arranged at the edge of the inner shell 31, which can make the overall clamping effect good, and will not cause the inner shell 31 to shake in the toggle assembly 4, so as to maintain a stable clamping effect and high reliability. The upper contour surface of the flange 313 is a spherical surface that matches the rotating shaft.

[0033] See also Figure 3-7The push rod 32 includes a driving part 321 and a light-transmitting part 322 disposed in the driving part 321. The light-transmitting part 322 is made of a light-transmitting material. A guide part 316 extending into the light-transmitting part 322 and abutting against the light-transmitting part 322 is disposed in the pushing inner shell 31. A light-transmitting hole for transmitting light to the light-transmitting part 322 so that the light-transmitting part 322 can transmit light is disposed in the guide part 316. The light-transmitting part 322 and the light-transmitting hole are arranged to cooperate to realize the light-transmitting function of the push rod 32, and a backlight effect is achieved.

[0034] The guide portion 316 is provided with engaging holes 317 on both sides thereof for engaging with the light-transmitting portion 322, and a block 318 is provided in the engaging holes 317. The light-transmitting portion 322 is provided with engaging arms 323 on both sides thereof, and a slot 324 is provided on the engaging arms 323 for engaging with the block 318. The push rod 32 is connected to the pushing inner shell 31 by engaging, and the structure is simple, the effect is good, and the transmission action is stable.

[0035] The engaging hole 317 is surrounded by a limiting groove 319 , and the bottom of the driving portion 321 extends into the limiting groove 319 and abuts against it.

[0036] The guide portion 316 is provided with an extended section 320 , and the push rod 32 and the guide portion 316 that pushes the inner shell 31 are increased in length. Compared with the traditional length, the strength of the push rod 32 can be improved and the risk of the push rod 32 being broken by horizontal pushing can be reduced.

[0037] See also Figure 8-9 , the left and right shift blocks 42 are provided with rotating blocks 422 on both sides, the front and rear shift blocks 41 are provided with rotating holes 411 that are rotatably connected to the rotating blocks 422, and the rotating blocks 422 cooperate with the rotating holes 411 to make the front and rear shift blocks 41 and the left and right shift blocks 42 be arranged at the same height; the front and rear shift blocks 41 and the left and right shift blocks 42 are linked around with a push rod 43 that is used to trigger the circuit assembly 2 to send an electrical signal through a pressing action or a pushing action. Through the rotational cooperation of the rotating holes 411 and the rotating blocks 422, the front and rear shift blocks 41 and the left and right shift blocks 42 can be at the same height, thereby realizing the four-way pushing and pressing function, and the push rod 43 of the same shape shared by the four directions can reduce the development of the push rod 43 mold and reduce the manufacturing cost.

[0038] The front and rear shift blocks 41 and the left and right shift blocks 42 are provided with pressing parts 423 extending to the top of the top rod 43 and abutting against it on both sides, and the pressing parts 423 of the front and rear shift blocks 41 and the left and right shift blocks 42 are arranged alternately, so as to facilitate the shifting assembly 4 to perform four-way pushing and pressing actions.

[0039] The circuit assembly 2 includes a conductive rubber 21 for mounting a push rod 43 , a circuit board 22 and a pin assembly 23 . The push rod 43 triggers an electrical signal between the conductive rubber 21 and the circuit board 22 , thereby realizing different functions.

[0040] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

[0041] Although the present invention has been described with reference to several specific embodiments, it should be understood that the present invention is not limited to the specific embodiments disclosed. The present invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. An oil spill prevention steering wheel switch, characterized in that: It includes a shell, a circuit component, a push rod component, and a toggle component sleeved on the outside of the push rod component, the toggle component is used to enable the push rod component to achieve four-way pushing or axial pressing action, the push rod component includes a pushing inner shell and a push rod, the outside of the pushing inner shell is provided with a guide groove for sliding engagement with the toggle component, the outside of the pushing inner shell is provided with a flange circumferentially surrounding the guide groove and close to one end of the push rod, the flange is provided with a first rib, the guide groove is provided with a second rib extending outward, and a hook groove opening downward is formed between the first rib and the second rib.

2. The oil spill prevention steering wheel switch according to claim 1, characterized in that: The shifting assembly comprises front and rear shifting blocks and left and right shifting blocks. The inner walls of the left and right shifting blocks are provided with guide blocks for slidingly engaging with the guide grooves.

3. The oil spill prevention steering wheel switch according to claim 1 or 2, characterized in that: The guide grooves are arranged around the inner shell, and the upper contour surface of the flange is a spherical surface.

4. The oil spill prevention steering wheel switch according to claim 1, characterized in that: The push rod includes a driving part and a light-transmitting part arranged in the driving part, the light-transmitting part is made of a light-transmitting material, the pushing inner shell is provided with a guide part extending into the light-transmitting part and abutting against the light-transmitting part, and the guide part is provided with a light-transmitting hole for transmitting light to the light-transmitting part so that the light-transmitting part can transmit light.

5. The oil spill prevention steering wheel switch according to claim 4, characterized in that: The guide part has engaging holes on both sides thereof for engaging with the light-transmitting part, wherein engaging blocks are arranged in the engaging holes, engaging arms are extended on both sides thereof, and engaging grooves for engaging with the engaging blocks are arranged on the engaging arms.

6. The oil spill prevention steering wheel switch according to claim 5, characterized in that: The clamping hole is surrounded by a limiting groove, and the bottom of the driving part extends into the limiting groove and abuts against the limiting groove.

7. The oil spill prevention steering wheel switch according to claim 4 or 5, characterized in that: An extension section is provided on the guide portion.

8. The oil spill prevention steering wheel switch according to claim 2, characterized in that: Rotating blocks are provided on both sides of the left and right shift blocks, and rotating holes are provided on the front and rear shift blocks, which are rotatably connected to the rotating blocks. The rotating blocks cooperate with the rotating holes to make the front and rear shift blocks and the left and right shift blocks be arranged at the same height; the front and rear shift blocks and the left and right shift blocks are linked around with a top rod for triggering the circuit component to send an electrical signal through a pressing action or a pushing action.

9. The oil spill prevention steering wheel switch according to claim 8, characterized in that: Both sides of the front and rear shift blocks and the left and right shift blocks are provided with pressing parts extending to the top of the top rod and abutting against the top rod, and the pressing parts of the front and rear shift blocks and the left and right shift blocks are arranged in a staggered manner.

10. The oil spill prevention steering wheel switch according to claim 8, characterized in that: The circuit assembly comprises a conductive rubber for mounting a top rod, a circuit board and a pin assembly.

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