Brushless signal switch

Abstract

The utility model discloses a kind of brushless signal switches, including bottom shell, button, touch rod and commutating mechanism, its core is in the innovative design of touch rod: touch rod is composed of moving contact bracket, connecting rod, slide bar and buffer spring, at least two inlay grooves are equipped in the connecting groove both sides of moving contact bracket, inlay step of connecting rod one end is inlaid with inlay groove, the telescopic section of other end is inserted into the telescopic hole of slide bar, prevent separation by limiting step, buffer spring connects telescopic section and telescopic hole inner wall.This design realizes pressing buffer by buffer spring, improves feedback hand feeling;Using the cooperation of multiple inlay grooves and inlay step, touch rod length can be flexibly adjusted and buffer spring elasticity is adjusted, the adaptability of switch is enhanced, the problem that traditional integrated touch rod pressing feedback is poor, length and elasticity are not adjustable is solved.

Description

Technical Field

[0001] This utility model relates to the field of brushless signal switch technology, specifically a brushless signal switch. Background Technology

[0002] In the structural design of brushless signal switches, the contact rod, as the core transmission component for signal switching, directly affects the switch's pressing feel, feedback accuracy, and service life. Currently, most contact rods in existing technologies adopt an integrated structure, meaning the moving contact frame and the slide rod are an inseparable whole, or a single slot structure is used to achieve a fixed connection between the two. A typical structure is the compact DC brushless signal switch disclosed in application number 2019110359850.

[0003] This traditional structure has the following obvious limitations: On the one hand, due to the lack of an effective buffering mechanism between the moving contact and the sliding rod, the force is directly transmitted to the end of the contact rod during the pressing of the switch, resulting in a stiff pressing feedback, which is prone to causing a feeling of jamming or overshooting, making it difficult to meet the user's demand for a delicate operating feel; on the other hand, due to the limitation of the integrated or fixed connection method, the overall length of the contact rod cannot be flexibly adjusted according to the actual assembly scenario or usage requirements, resulting in poor adaptability.

[0004] Therefore, how to optimize the contact rod structure to improve the pressing feedback effect and achieve flexible length adjustment has become a technical problem that urgently needs to be solved in the current design of brushless signal switches. Utility Model Content

[0005] In view of the shortcomings of the prior art, this utility model provides a brushless signal switch.

[0006] The technical solution adopted by this utility model is: a brushless signal switch, including a bottom shell, a button, a contact rod and a reversing mechanism, wherein the contact rod includes a moving contact frame, a connecting rod, a slide rod and a buffer spring; The moving contact frame has a rectangular connecting groove on one end surface, and at least two fitting grooves are provided on both sides of the connecting groove at intervals. The fitting grooves extend from an opening on one side of the moving contact frame into the connecting groove. One end of the connecting rod is provided with a telescopic section, and the other end is provided with fitting steps on both sides that fit into the fitting groove. The end of the telescopic section is provided with a first limiting step. The bottom of the slide bar is provided with a telescopic hole that cooperates with the telescopic section to extend and retract, and a second limiting step that is adapted to the first limiting step is provided in the telescopic hole; One end of the buffer spring is connected to the telescopic section, and the other end is connected to the inner wall of the telescopic hole.

[0007] Furthermore, the fitting groove is three in number, and the distance between the fitting grooves is 1-2 mm.

[0008] Furthermore, the cross-section of the connecting rod is a square or rectangular structure.

[0009] Furthermore, the bottom shell includes a left shell and a right shell, with fitting openings provided on both side walls of the left shell, and fitting steps provided on the right shell that fit into the fitting openings.

[0010] Furthermore, the side wall of the bottom shell is provided with a guide ridge, and the button is provided with a guide groove that slides with the guide ridge.

[0011] Furthermore, the reversing mechanism includes a reversing rod, a reversing spring, and a reversing block. The reversing rod includes a shaft, a handle, and a transmission part and a reversing trigger part disposed at both ends of the shaft. The bottom of the transmission part is provided with a connecting step connected to the bottom of the moving contact frame. The reversing block is disposed between the transmission part and the reversing trigger part. The reversing trigger part is provided with a reversing arc groove that matches the reversing protrusion on the reversing block.

[0012] Furthermore, a "V"-shaped protrusion is provided at the bottom of the reversing trigger part, and a "V"-shaped groove that matches the "V"-shaped protrusion is provided in the middle of the reversing spring.

[0013] The beneficial effects of this utility model are: 1. By incorporating a buffer spring between the connecting rod and the slide rod of the touch lever, an elastic buffering mechanism is created during the pressing process. When external force is applied to the button, the buffer spring can absorb part of the impact force through deformation, avoiding direct rigid transmission of force. This effectively improves the problem of stiff pressing feedback in traditional one-piece touch levers, making the pressing feel more delicate and smooth, and enhancing the user's operating experience.

[0014] 2. Multiple interlocking slots spaced apart on the moving contact frame form a selective interlocking structure with the interlocking steps at the end of the connecting rod. Users can select different interlocking slots and interlocking steps to match according to actual assembly space, switch travel requirements, and other scenarios, thereby conveniently adjusting the overall length of the contact rod, greatly improving the adaptability of the contact rod, and expanding the application range of the switch in different devices.

[0015] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The utility model will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a cross-sectional schematic diagram of the present invention.

[0018] Figure 3 This is an exploded view of the present invention.

[0019] Figure 4 This is a schematic diagram showing the positions of the reversing mechanism and the moving contact frame.

[0020] Figure 5 This is a schematic diagram of the contact rod.

[0021] Figure 1-5 In the middle section: 1. Bottom shell; 2. Button; 3. Contact rod; 4. Reversing mechanism; 5. Moving contact frame; 6. Connecting rod; 7. Slide rod; 8. Buffer spring; 9. Connecting groove; 10. Fitting groove; 12. Telescopic section; 13. Fitting step; 14. First limiting step; 15. Telescopic hole; 16. Second limiting step; 17. Left shell; 18. Right shell; 19. Fitting opening; 20. Fitting step; 21. Guide protrusion; 22. Guide groove; 23. Reversing rod; 24. Reversing spring; 25. Reversing block; 26. Shaft; 27. Handle; 28. Transmission part; 29. ​​Reversing trigger part; 30. Connecting step; 31. Reversing protrusion; 32. Reversing arc groove; 33. "V" shaped protrusion; 34. "V" shaped groove. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0024] This invention provides a brushless signal switch.

[0025] In this embodiment, refer to Figure 1-5 The brushless signal switch includes a base shell 1, a button 2, a contact rod 3 and a reversing mechanism 4. The contact rod 3 includes a moving contact frame 5, a connecting rod 6, a slide rod 7 and a buffer spring 8. A rectangular connecting groove 9 is provided on one end surface of the moving contact frame. At least two fitting grooves 10 are provided on both sides of the connecting groove 9 at intervals. The fitting grooves 10 extend from the opening on one side of the moving contact frame into the connecting groove. One end of the connecting rod is provided with a telescopic section 112, and the other end is provided with fitting steps 13 on both sides that fit into the fitting groove. The end of the telescopic section is provided with a first limiting step 14. The bottom of the slide bar 7 is provided with a telescopic hole 15 that is compatible with the telescopic section. A second limiting step 16 that is adapted to the first limiting step is provided in the telescopic hole 15. One end of the buffer spring is connected to the telescopic section, and the other end is connected to the inner wall of the telescopic hole.

[0026] In the above technical solution, the contact rod comprises four parts: a movable contact frame, a connecting rod, a sliding rod, and a buffer spring. The movable contact frame engages with the connecting rod via the engaging grooves on both sides of the connecting groove; the telescopic section of the connecting rod is inserted into the telescopic hole of the sliding rod, and is prevented from disengaging by means of the first and second limiting steps; the buffer spring connects the telescopic section and the inner wall of the telescopic hole to form an elastic buffer structure.

[0027] The buffer spring design allows the contact rod to absorb the force through spring deformation when pressed, which helps to improve the fineness and smoothness of the pressing feedback. The combination of multiple fitting slots and fitting steps allows for flexible adjustment of the overall length of the contact rod by selecting different fitting slots, realizing the adjustment of elastic force and pressing stroke, enhancing the adaptability of the switch, and solving the problems of poor pressing feedback, non-adjustable length and elastic force of traditional one-piece contact rods.

[0028] Specifically, there are three fitting grooves, and the distance between the fitting grooves is 1-2mm.

[0029] In this embodiment, there are three fitting slots, and the distance between adjacent fitting slots is 1-2mm. The three fitting slots provide more length adjustment levels to meet the subtle requirements of the contact rod length in different scenarios; the 1-2mm spacing design ensures both a reasonable adjustment range and adjustment accuracy, making the elastic force change of the buffer spring smoother, and further improving the adaptability of the switch in different application scenarios.

[0030] Specifically, the cross-section of the connecting rod is a square or rectangular structure.

[0031] In this embodiment, the cross-section of the connecting rod is set to a square or a rectangle. This polygonal structure cooperates with the rectangular connecting groove of the moving contact frame, restricting the rotation of the connecting rod within the connecting groove.

[0032] Specifically, the bottom shell includes a left shell 17 and a right shell 18. The left shell 17 has fitting openings 19 on both side walls, and the right shell has fitting steps 20 that fit into the fitting openings.

[0033] In this embodiment, the bottom shell consists of a left shell and a right shell. The fitting openings on both sides of the left shell and the fitting steps of the right shell fit together to achieve the assembly of the bottom shell.

[0034] Specifically, the bottom shell has a guide ridge 21 on its side wall, and the button has a guide groove 22 that slides with the guide ridge 21.

[0035] In this embodiment, the guide protrusion on the side wall of the bottom shell slides into the guide groove of the button, providing a guide trajectory for the up and down movement of the button.

[0036] Specifically, the reversing mechanism includes a reversing rod 23, a reversing spring 24, and a reversing block 25. The reversing rod includes a shaft 26, a handle 27, and a transmission part 28 and a reversing trigger part 29 disposed at both ends of the shaft. The bottom of the transmission part is provided with a connecting step 30 connected to the bottom of the moving contact frame. The reversing block is disposed between the transmission part and the reversing trigger part. The reversing trigger part is provided with a reversing arc groove 32 that matches the reversing protrusion 31 on the reversing block.

[0037] In this embodiment, the reversing mechanism includes a reversing rod, a reversing spring, and a reversing block. The transmission part of the reversing rod is connected to the moving contact frame via a connecting step. The reversing block between the transmission part and the reversing trigger part engages with a reversing protrusion and a reversing arc groove to achieve reversing triggering. By assembling the reversing block between the transmission part and the reversing trigger part, the component space is reduced, making the signal switch smaller.

[0038] Specifically, the bottom of the reversing trigger part is provided with a "V"-shaped protrusion 33, and the middle part of the reversing spring is provided with a "V"-shaped groove 34 that matches the "V"-shaped protrusion 33.

[0039] In this embodiment, the "V"-shaped protrusion at the bottom of the commutation trigger part is adapted to the "V"-shaped groove in the middle of the commutation spring, so as to achieve a stable connection between the two.

[0040] Attention all technical personnel: Although this utility model has been described according to the specific embodiments above, the concept of this utility model is not limited to this utility model. Any modification that utilizes the concept of this utility model will be included within the scope of protection of this patent right.

Claims

1. A brushless signal switch, comprising a base, a button, a contact rod, and a commutation mechanism, characterized in that: The contact rod includes a movable contact frame, a connecting rod, a sliding rod, and a buffer spring; The moving contact frame has a rectangular connecting groove on one end surface, and at least two fitting grooves are provided on both sides of the connecting groove at intervals. The fitting grooves extend from an opening on one side of the moving contact frame into the connecting groove. One end of the connecting rod is provided with a telescopic section, and the other end is provided with fitting steps on both sides that fit into the fitting groove. The end of the telescopic section is provided with a first limiting step. The bottom of the slide bar is provided with a telescopic hole that cooperates with the telescopic section to extend and retract, and a second limiting step that is adapted to the first limiting step is provided in the telescopic hole; One end of the buffer spring is connected to the telescopic section, and the other end is connected to the inner wall of the telescopic hole.

2. The brushless signal switch according to claim 1, characterized in that: The fitting groove is three in number, and the distance between the fitting grooves is 1-2 mm.

3. The brushless signal switch according to claim 1, characterized in that: The connecting rod has a square or rectangular cross-section.

4. The brushless signal switch according to claim 1, characterized in that: The bottom shell includes a left shell and a right shell. The two side walls of the left shell are provided with fitting openings, and the right shell is provided with fitting steps that fit into the fitting openings.

5. The brushless signal switch according to claim 4, characterized in that: The bottom shell has a guide ridge on its side wall, and the button has a guide groove that slides with the guide ridge.

6. The brushless signal switch according to claim 1, characterized in that: The reversing mechanism includes a reversing rod, a reversing spring, and a reversing block. The reversing rod includes a shaft, a handle, and a transmission part and a reversing trigger part disposed at both ends of the shaft. The bottom of the transmission part is provided with a connecting step connected to the bottom of the moving contact frame. The reversing block is disposed between the transmission part and the reversing trigger part. The reversing trigger part is provided with a reversing arc groove that matches the reversing protrusion on the reversing block.

7. The brushless signal switch according to claim 6, characterized in that: The bottom of the reversing trigger is provided with a "V"-shaped protrusion, and the middle part of the reversing spring is provided with a "V"-shaped groove that matches the "V"-shaped protrusion.

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