A moving contact structure of a motorcycle disc brake switch

Abstract

The utility model discloses a kind of dynamic contact structures of motorcycle disc brake switch, involve disc brake switch technical field, including shell, pressure rod assembly, press assembly and static contact piece, there is mounting cavity in shell, pressure rod assembly contains press bar, pressure rod reset piece, dynamic contact rod and contact rod reset piece;Two static contact pieces are separately installed cavity two sides, press bar is equipped with horizontal sliding slot to static contact piece side, dynamic contact rod is slidably installed in groove, groove opening has anti-drop closing part, contact rod reset piece provides the elastic thrust to opening for dynamic contact rod, mounting cavity side wall is equipped with retaining step, when press bar is pressed down, retaining step makes dynamic contact rod and static contact piece keep apart. The structure is actively limited by retaining step, solve the problem that existing switch leads to dynamic contact rod deviation, misdirects on due to vibration, improve breaking stability.

Description

Technical Field

[0001] This utility model relates to the field of disc brake switch technology, specifically to a moving contact structure for a motorcycle disc brake switch. Background Technology

[0002] In motorcycle braking systems, the disc brake switch is a critical control component, and its switching performance directly affects the reliability of brake signal transmission, thus impacting motorcycle driving safety. Currently, most motorcycle disc brake switches on the market adopt a normally open structure. This type of switch mainly achieves switching by the contact or separation of the pressure rod assembly and the stationary contact plate to respond to the pressing operation of the disc brake.

[0003] However, existing normally open disc brake switches have significant drawbacks in practical applications: when the lever is pressed to open the switch, the separation stability between the moving contact and the stationary contact is poor. Due to vibrations and bumps during motorcycle operation, the moving contact is prone to displacement, causing accidental contact with the stationary contact and resulting in false activation. This false activation can interfere with the normal transmission of braking signals, potentially leading to brake system malfunctions and posing a safety hazard to riders.

[0004] Furthermore, while some switches restrict the sliding trajectory of the moving contact, their complex structural design makes it difficult to ensure that the moving contact remains stably separated from the stationary contact during the pressing of the lever. Additionally, assembly is challenging and not conducive to mass production. Therefore, there is an urgent need for a simple moving contact structure for motorcycle disc brake switches that can effectively guarantee breaking stability, in order to solve the problem of unreliable switch breaking in existing technologies. Utility Model Content

[0005] To address the shortcomings in the prior art, this utility model provides a moving contact structure for a motorcycle disc brake switch.

[0006] The technical solution adopted by this utility model is: a moving contact structure for a motorcycle disc brake switch, including a housing, a pressure rod assembly, a pressing assembly and a stationary contact piece. The housing is provided with a mounting cavity for installing the pressure rod assembly. The pressure rod assembly includes a pressing rod, a pressure rod reset member, a moving contact rod and a contact rod reset member. There are two stationary contact pieces, which are respectively located on both sides of the mounting cavity; The pressing rod is provided with a transverse sliding groove on one side of the stationary contact piece, and the moving contact rod is slidably disposed in the transverse sliding groove. The opening of the transverse sliding groove is provided with a constriction part to prevent the moving contact rod from sliding out. The contact rod reset component provides an elastic thrust to the moving contact rod in the opening direction; A retaining step is provided on the side wall of the mounting cavity. When the pressing rod is pressed down, the retaining step keeps the moving contact rod and the stationary contact piece separated.

[0007] Furthermore, contact grooves for mounting stationary contacts are provided on both side walls of the mounting cavity, and the retaining step is located between the two contact grooves.

[0008] Furthermore, guide positioning grooves are provided on both sides of the retaining step, guide plates that are adapted to the guide positioning grooves are provided on both sides of the pressing rod, and the transverse slide is located on the transverse slide.

[0009] Furthermore, the bottom of the transverse slide is provided with a first spring hole for installing the contact rod reset component.

[0010] Furthermore, a second spring hole is provided on the bottom wall of the mounting cavity, and a third spring hole is provided at the bottom of the pressing rod. The two ends of the pressing rod reset member are respectively connected to the second spring hole and the third spring hole.

[0011] Furthermore, the movable contact rod has a cylindrical structure.

[0012] Furthermore, the stationary contact piece includes a contact portion at the top that contacts and engages with the moving contact rod, a retractable portion located below the contact portion, and a wiring portion at the bottom, which is connected to the contact piece groove on the bottom wall of the mounting cavity.

[0013] Furthermore, the pressing assembly includes a button, a trigger elastic element, and a feedback element. The button includes a connecting horizontal bar connected to the upper end of the pressing rod and a connecting vertical bar connected to the connecting horizontal bar. One side of the outer casing is provided with a telescopic hole that engages with the connecting vertical rod. The feedback element is located at the bottom of the telescopic hole. One end of the triggering elastic element abuts against the feedback element, and the other end is connected to the fourth spring hole on the connecting vertical rod.

[0014] Furthermore, the retaining step is located on the side walls of the mounting cavity.

[0015] The beneficial effects of this utility model are: 1. Improved switch breaking stability: This structure, by setting a retaining step on the side wall of the mounting cavity, pushes the moving contact rod away from the stationary contact when the pressing rod is pressed down to break the switch, and continuously maintains the separation state between the moving contact rod and the stationary contact. This effectively avoids the problem of the moving contact rod shifting position due to motorcycle vibration and bumps, completely eliminates the misleading phenomenon caused by accidental contact between the moving contact rod and the stationary contact, ensures accurate transmission of braking signals, and guarantees the stability of the motorcycle braking system control from the core link.

[0016] 2. Simple and rational structure, reducing assembly difficulty and production costs: This structure achieves stable limiting and separation control of the moving contact rod solely through the transverse sliding groove of the pressing rod, the constriction section (to prevent the moving contact rod from slipping out), and the retaining step of the mounting cavity. No additional complex guide or limiting components are required. This simplified structure not only reduces the difficulty of parts processing but also facilitates assembly operations, adapts to mass production needs, effectively controls production and assembly costs, and enhances product market competitiveness.

[0017] 3. Optimize the reliability of the moving contact rod: The transverse groove provides a stable sliding trajectory for the moving contact rod, while the constriction section avoids the risk of the moving contact rod disengaging from the groove during sliding; at the same time, the contact rod reset component provides elastic thrust for the moving contact rod, ensuring that the moving contact rod can quickly and stably reset and reliably contact the stationary contact piece in the non-disconnected state.

[0018] In addition to the objectives, features and advantages described above, this utility model has other objectives, features and advantages.

[0019] The present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model.

[0021] Figure 2 This is a cross-sectional schematic diagram of the present invention.

[0022] Figure 3 This is an exploded view of the present invention.

[0023] Figure 4 This is a schematic diagram of the outer shell.

[0024] Figure 5 This is a schematic diagram of the pressing rod.

[0025] Figure 6 This is a schematic diagram of the static contact.

[0026] Figure 7 A schematic diagram showing how the steps are positioned on both sides of the mounting cavity.

[0027] Figure 1-7In the middle: 1. Outer shell; 2. Stationary contact piece; 3. Mounting cavity; 4. Pressing rod; 5. Pressing rod reset piece; 6. Moving contact rod; 7. Contact rod reset piece; 8. Horizontal slide groove; 9. Closing part; 10. Holding step; 11. Contact piece groove; 12. Guide positioning groove; 13. Guide plate; 14. First spring hole; 15. Second spring hole; 16. Third spring hole; 17. Contact part; 18. Retraction part; 19. Wiring part; 20. Button; 21. Trigger elastic element; 22. Feedback element; 23. Connecting horizontal rod; 24. Connecting vertical rod; 25. Telescopic hole; 26. Fourth spring hole. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] 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.

[0030] This utility model provides a moving contact structure for a motorcycle disc brake switch.

[0031] In this embodiment, refer to Figure 1-7 The moving contact structure of the motorcycle disc brake switch includes a housing 1, a pressure rod assembly, a pressing assembly, and a stationary contact piece 2. The housing is provided with a mounting cavity 3 for mounting the pressure rod assembly. The pressure rod assembly includes a pressing rod 4, a pressure rod reset piece 5, a moving contact rod 6, and a contact rod reset piece 7. There are two stationary contact pieces, which are respectively located on both sides of the mounting cavity; The pressing rod is provided with a transverse sliding groove 8 on one side of the stationary contact piece, and the moving contact rod 6 is slidably disposed in the transverse sliding groove. The opening of the transverse sliding groove is provided with a closing part 9 to prevent the moving contact rod from sliding out. The contact rod reset component provides an elastic thrust to the moving contact rod in the opening direction; A retaining step 10 is provided on the side wall of the mounting cavity. When the pressing rod is pressed down, the retaining step 10 keeps the moving contact rod and the stationary contact piece separated.

[0032] In the above technical solution, the pressing rod in the pressure rod assembly serves as the operation input end, and the pressure rod reset component provides the reset power for the pressing rod; the moving contact rod is slidably installed through a transverse sliding groove, and the constricted end restricts its sliding out. The contact rod reset component applies an elastic thrust toward the opening of the transverse sliding groove to the moving contact rod, ensuring that the moving contact rod tends to contact the stationary contact piece in the non-disconnected state; when the pressing rod is pressed down, the retaining step on the side wall of the mounting cavity interacts with the moving contact rod, overcoming the elastic force of the contact rod reset component and pushing the moving contact rod away from the stationary contact piece, while maintaining the separation state of the two; the two stationary contact pieces are respectively located on both sides of the mounting cavity, providing a matching basis for the contact / separation of the moving contact rod, and finally realizing the normally open function of the switch "press to disconnect, reset to conduct".

[0033] By utilizing the break-holding effect of the retaining step, the problem of motor vibration causing the moving contact rod to deviate and accidentally conduct is fundamentally solved, greatly improving the break-off stability and safety of the switch.

[0034] Specifically, the mounting cavity has contact grooves 11 on both side walls for mounting stationary contacts, and the retaining step is located between the two contact grooves 11.

[0035] In this embodiment, the stationary contacts are disposed on both sides of the retaining step, so that the moving contact rod can reliably separate from the stationary contacts on both sides simultaneously when the switch is disconnected, thereby further improving the reliability of the switch disconnection.

[0036] Specifically, guide positioning grooves 12 are provided on both sides of the retaining step, guide plates 13 adapted to the guide positioning grooves 12 are provided on both sides of the pressing rod, and the transverse slide is located on the transverse slide.

[0037] In this embodiment, by setting guide positioning grooves on both sides of the retaining step and designing matching guide plates on both sides of the pressing rod, the guide plates slide along the guide positioning grooves when the pressing rod is pressed down or reset, limiting the movement trajectory of the pressing rod to only the up and down direction, and avoiding its left and right deviation or tilting.

[0038] Specifically, the bottom of the transverse slide is provided with a first spring hole 14 for installing the contact rod reset component.

[0039] In this embodiment, the design of the first spring hole 14 enables the installation and positioning of the contact rod reset component. One end of the contact rod reset component is fixed inside the first spring hole, while the other end abuts against the moving contact rod. This ensures that the elastic force direction of the contact rod reset component is always along the axial direction of the transverse slide groove, avoiding problems such as tilted elastic force direction and insufficient thrust due to contact rod reset component misalignment.

[0040] Specifically, a second spring hole 15 is provided on the bottom wall of the mounting cavity, a third spring hole 16 is provided at the bottom of the pressing rod, and the two ends of the pressing rod reset member are respectively connected to the second spring hole and the third spring hole.

[0041] In this embodiment, the positioning design of the double spring holes ensures that the elastic force of the pressure rod reset component is stable and directional, ensuring that the pressure rod can be quickly and smoothly reset after each press, avoiding the problem of the switch not being able to conduct in time due to reset jamming.

[0042] Specifically, the moving contact rod has a cylindrical structure.

[0043] In this embodiment, the cylindrical structure reduces the frictional resistance between the moving contact rod and the transverse groove and the retaining step, making the moving contact rod slide more smoothly, reducing jamming and wear problems caused by excessive friction, and extending the service life of the moving contact rod.

[0044] Specifically, the stationary contact piece includes a contact portion 17 at the top that contacts and engages with the moving contact rod, a retractable portion 18 located below the contact portion, and a wiring portion 19 at the bottom, which is connected to the contact piece groove on the bottom wall of the mounting cavity.

[0045] In this embodiment, the stationary contact piece is segmented into a contact portion, a retractable portion, and a wiring portion: the contact portion is located at the top and adopts a structure adapted to the moving contact rod (such as an arc or a plane) to ensure reliable contact with the moving contact rod; the retractable portion is located below the contact portion and, by reducing the cross-sectional size, provides more space for separation from the moving contact, thereby improving the breaking and holding capability; the wiring portion is located at the bottom and is designed to fit the contact piece groove on the bottom wall of the mounting cavity, realizing a stable connection between the stationary contact piece and the external circuit.

[0046] Specifically, the pressing assembly includes a button 20, a trigger elastic element 21, and a feedback element 22. The button 20 includes a connecting horizontal bar 23 connected to the upper end of the pressing rod and a connecting vertical bar 24 connected to the connecting horizontal bar. One side of the outer casing is provided with a telescopic hole 25 that is telescopically engaged with the connecting vertical rod. The feedback element is located at the bottom of the telescopic hole. One end of the trigger elastic element abuts against the feedback element, and the other end is connected to the fourth spring hole 26 on the connecting vertical rod.

[0047] In this embodiment, the combined design of the feedback element and the trigger elastic element provides users with clear tactile feedback (such as a "click"), making it easier for users to determine whether the switch has been triggered and improving the user experience.

[0048] The feedback element can be a metal spring that makes a sound when pressed, or a push-button switch with feedback function.

[0049] Specifically, the retaining step is located on the side walls of the mounting cavity.

[0050] The step can be located either in the center or on either side of the mounting cavity, such as... Figure 7 As shown.

[0051] 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 moving contact structure for a motorcycle disc brake switch, comprising a housing, a lever assembly, a pressing assembly, and a stationary contact piece, wherein the housing has a mounting cavity for mounting the lever assembly, characterized in that: The pressure rod assembly includes a pressing rod, a pressure rod reset component, a movable contact rod, and a contact rod reset component; There are two stationary contact pieces, which are respectively located on both sides of the mounting cavity; The pressing rod is provided with a transverse sliding groove on one side of the stationary contact piece, and the moving contact rod is slidably disposed in the transverse sliding groove. The opening of the transverse sliding groove is provided with a constriction part to prevent the moving contact rod from sliding out. The contact rod reset component provides an elastic thrust to the moving contact rod in the opening direction; A retaining step is provided on the side wall of the mounting cavity. When the pressing rod is pressed down, the retaining step keeps the moving contact rod and the stationary contact piece separated.

2. The moving contact structure of the motorcycle disc brake switch according to claim 1, characterized in that: The mounting cavity has contact grooves on both side walls for mounting stationary contacts, and the retaining step is located between the two contact grooves.

3. The moving contact structure of the motorcycle disc brake switch according to claim 1 or 2, characterized in that: The retaining step is provided with guide positioning grooves on both sides, the pressing rod is provided with guide plates that are adapted to the guide positioning grooves on both sides, and the transverse slide is located on the transverse slide.

4. The moving contact structure of the motorcycle disc brake switch according to claim 3, characterized in that: The bottom of the transverse slide is provided with a first spring hole for installing the contact rod reset component.

5. The moving contact structure of the motorcycle disc brake switch according to claim 1, characterized in that: A second spring hole is provided on the bottom wall of the mounting cavity, and a third spring hole is provided at the bottom of the pressing rod. The two ends of the pressing rod reset component are respectively connected to the second spring hole and the third spring hole.

6. The moving contact structure of the motorcycle disc brake switch according to claim 1, characterized in that: The moving contact rod has a cylindrical structure.

7. The moving contact structure of the motorcycle disc brake switch according to claim 1, characterized in that: The stationary contact piece includes a contact portion at the top that contacts and engages with the moving contact rod, a retractable portion located below the contact portion, and a wiring portion at the bottom, which is connected to the contact piece groove on the bottom wall of the mounting cavity.

8. The moving contact structure of the motorcycle disc brake switch according to claim 1, characterized in that: The pressing assembly includes a button, a trigger elastic element, and a feedback element. The button includes a connecting horizontal bar connected to the upper end of the pressing rod and a connecting vertical bar connected to the connecting horizontal bar. One side of the outer casing is provided with a telescopic hole that engages with the connecting vertical rod. The feedback element is located at the bottom of the telescopic hole. One end of the triggering elastic element abuts against the feedback element, and the other end is connected to the fourth spring hole on the connecting vertical rod.

9. The moving contact structure of the motorcycle disc brake switch according to claim 1, characterized in that: The retaining steps are located on the side walls of the mounting cavity.

Images