Completely-sealed motorcycle rear brake lamp switch

Abstract

The utility model discloses a completely sealed motorcycle rear brake lamp switch, and belongs to the technical field of rear brake lamp switches. The motorcycle rear brake lamp switch solves the problem that a motorcycle rear brake lamp switch in the prior art is poor in sealing performance, waterproof performance and dustproof performance. A movable shaft is arranged in the shell in a sliding mode, one end of the movable shaft is sleeved with an annular contact piece, an insulation sleeve and a reset spring, the shell is provided with a through hole, a contact piece is arranged in the through hole, a waterproof cap is arranged at the end, close to the through hole, of the shell, and a groove is formed in the end, away from the through hole, of the shell. The other end of the movable shaft slidably penetrates through the sealing washer and the lining. The fully-sealed motorcycle rear brake lamp switch is used for controlling the on-off of a motorcycle power supply and a rear brake lamp, and the arrangement of the rubber waterproof cap and the sealing washer enables the contact piece, the annular contact piece, the insulation sleeve and the reset spring to be fully sealed in the shell, so that the fully-sealed motorcycle rear brake lamp switch has the characteristics of stronger waterproof and dustproof properties, and is suitable for popularization and application. And the device can adapt to severe weather and road conditions.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of rear brake light switch, concretely relates to a completely sealed motorcycle rear brake light switch. BACKGROUND

[0002] The motorcycle rear brake light switch is an important component in the motorcycle braking system, is usually installed in the brake system, and is mainly used for lighting the brake light when braking to remind the rear vehicle.

[0003] The current motorcycle rear brake light switch has poor sealing, poor waterproofness and dustproofness, rainwater, dust and moisture are easy to enter the switch, electrical faults and equipment damage are caused, the service life of the switch is affected, potential safety hazards exist, and the switch cannot adapt to adverse weather and road conditions such as ice and snow, sand and dust, rain and fog. UTILITY MODEL CONTENTS

[0004] In order to solve the above problems, the utility model provides a completely sealed motorcycle rear brake light switch, which has strong waterproofness and dustproofness and can adapt to adverse weather and road conditions.

[0005] In order to achieve the above purpose, the utility model adopts the technical scheme that:

[0006] The utility model discloses a completely sealed motorcycle rear brake light switch, including the cavity in the shell, the movable shaft is arranged in the cavity, one end of the movable shaft is sequentially sleeved with the first insulating sleeve, the annular contact piece, the second insulating sleeve and the reset spring along the axial direction, the reset spring is located between the second insulating sleeve and the inner wall of the cavity, the side wall of one end of the shell relative to the first insulating sleeve is provided with the first through hole and the second through hole communicated with the cavity, the first contact piece and the second contact piece are arranged in the first through hole and the second through hole respectively, in the initial state, one end of the first contact piece and the second contact piece that stretches into the cavity all abut against the second insulating sleeve, the waterproof cap is sleeved with one end of the shell relative to the first insulating sleeve, the first recess and the second recess are arranged on the other end of the shell relative to the first insulating sleeve, the sealing washer is arranged in the first recess, the bushing is clamped in the second recess, and the other end of the movable shaft relative to the first insulating sleeve slides through the sealing washer and the bushing.

[0007] Further, the convex is arranged on the outer side wall of one end of the shell relative to the first insulating sleeve along the circumference of the shell, and the third recess matched with the convex is arranged on the inner side wall of the cap edge of the waterproof cap.

[0008] Further, the waterproof cap is provided with a stopper around the inner side wall of the brim of the waterproof cap in the circumferential direction of the waterproof cap, the protrusion is matched with the third groove, and the stopper abuts against the end face of the shell close to one end of the first through hole.

[0009] Further, the outer side wall of the waterproof cap is sleeved with an elastic ring at the position close to the third groove.

[0010] Further, the waterproof cap comprises a cap body and a brim, and the elastic ring is clamped at the joint of the cap body and the brim.

[0011] Further, the waterproof cap is a rubber waterproof cap.

[0012] Further, one end of the first contact piece and the second contact piece extending into the cavity is bent in the direction away from the movable shaft.

[0013] Further, the first contact piece and the second contact piece are coated with a fluorine-containing lubricating grease layer.

[0014] Further, the shell is provided with an external thread at one end away from the first through hole, and a locking nut matched with the external thread is threadedly connected.

[0015] The utility model discloses a beneficial effect is:

[0016] The utility model provides a kind of completely sealed motorcycle rear brake light switch, for controlling the on-off of motorcycle power supply and rear brake light, waterproof cap and sealing washer are arranged at the both ends of shell, so that first contact piece, second contact piece, annular contact piece, first insulating sleeve, second insulating sleeve and reset spring are completely sealed in the cavity of shell, effectively avoid rain, dust and moisture into the inside of motorcycle rear brake light switch, motorcycle rear brake light switch has stronger waterproofness and dustproofness, effectively protect electrical equipment in motorcycle rear brake light switch, prolong the service life of motorcycle rear brake light switch, reduce the occurrence of security risk, so that motorcycle rear brake light switch can adapt to bad weather and road conditions.Waterproof cap is sleeved in one end of shell, sealing washer is clamped in the first groove of the other end of shell, bushing is clamped in the second groove, sealing washer is fixedly clamped in the first groove by bushing, waterproof cap, shell and sealing washer, bushing form sealing structure, simple structure, easy to assemble, improve the assembly efficiency of motorcycle rear brake light switch. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 is a cross-sectional view of a completely sealed motorcycle rear brake light switch provided by the embodiment of the present application;

[0019] Figure 2 is a schematic view of a completely sealed motorcycle rear brake light switch provided by the embodiment of the present application.

[0020] Reference signs:

[0021] Housing 1, locking nut 2, sealing washer 3, bushing 4, movable shaft 5, return spring 6, second insulating sleeve 7, annular contact sheet 8, second contact sheet 9, first insulating sleeve 10, stop block 11, waterproof cap 12, first contact sheet 13, elastic ring 14, wire 15, wire tube 16. Specific implementation

[0022] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of the present application.

[0023] The present application will be further described below in combination with the drawings and embodiments.

[0024] As Figure 1 , Figure 2As shown, the embodiment provides a completely sealed motorcycle rear brake light switch, comprising a shell 1, a movable shaft 5 is slidably arranged in the cavity of the shell 1, a first insulating sleeve 10, an annular contact piece 8, a second insulating sleeve 7 and a return spring 6 are sequentially sleeved on one end of the movable shaft 5 along its axial direction, the return spring 6 is located between the second insulating sleeve 7 and the right inner wall of the cavity of the shell 1, the shell 1 is provided with a first through hole and a second through hole which communicate with the cavity of the shell 1 on the side wall of one end of the first insulating sleeve 10, a first contact piece 13 and a second contact piece 9 are respectively arranged in the first through hole and the second through hole, in the initial state, one end of the first contact piece 13 and one end of the second contact piece 9 which extend into the cavity of the shell 1 abut against the second insulating sleeve 7, in the braking state, one end of the first contact piece 13 and one end of the second contact piece 9 which extend into the cavity abut against the annular contact piece 8, a waterproof cap 12 is sleeved on one end of the first insulating sleeve 10 of the shell 1, the shell 1 is provided with a first recess and a second recess on the other end of the first insulating sleeve 10, a sealing washer 3 is arranged in the first recess, and a bushing 4 is clamped in the second recess, the movable shaft 5 slides through the sealing washer 3 and the bushing 4 on the other end of the first insulating sleeve 10. Wherein, the shell 1 is a cylindrical shell, the movable shaft 5 is a cylindrical movable shaft, the first insulating sleeve 10, the annular contact piece 8 and the second insulating sleeve 7 are fixedly sleeved on the movable shaft 5, under the action of external force, the movable shaft 5 slides in the cavity of the shell 1, driving the first insulating sleeve 10, the annular contact piece 8 and the second insulating sleeve 7 to slide in the cavity of the shell 1. The first recess and the second recess are sequentially arranged from left to right along the axial direction of the shell 1, the outer diameter size of the second recess is larger than that of the first recess, and the second recess is close to the right end of the shell 1. The waterproof cap 12 is a plastic waterproof cap or a rubber waterproof cap.The waterproof cap 12 is provided with a wire hole, the wire hole is sealingly connected with the wire tube 16, the first contact piece and the second contact piece are both connected with the wire 15, the wire 15 passes through the wire tube 16 and is connected with the positive and negative poles of the power supply respectively, when the motorcycle is braking, the movable shaft 5 slides in the cavity along the axial direction of the shell 1 under the action of the external force (such as the brake handle and the movable shaft 5 are connected to press the brake handle), the reset spring 6 is compressed to store energy, the first contact piece 13 and the second contact piece 9 are both inserted into the cavity and abut against the annular contact piece 8, the circuit formed by the first contact piece 13, the annular contact piece 8, the power supply, the brake lamp and the second contact piece 9 is connected through the wire 15 and is conducted, the brake lamp is on, the external force of the movable shaft 5 disappears (such as releasing the brake handle), the reset spring 6 releases the stored energy and stretches, the movable shaft 5 slides in the cavity along the axial direction of the shell 1 under the action of the elastic force, the first contact piece 13 and the second contact piece 9 are both inserted into the cavity and abut against the second insulating sleeve 7, the movable shaft 5 is reset, the circuit formed by the first contact piece 13, the annular contact piece 8, the power supply, the brake lamp and the second contact piece 9 is disconnected through the wire 15, and the brake lamp is off; the wire 15 is provided with a high-frequency heat sealing section, which can effectively improve the stability of the connection between the wire harness rubber tube and the wire core.

[0025] Based on the above structure, a completely sealed motorcycle rear brake lamp switch is used for controlling the on-off of the motorcycle power supply and the rear brake lamp, the waterproof cap 12 and the sealing gasket 3 arranged at both ends of the shell 1 enable the first contact piece 13, the second contact piece 9, the annular contact piece 8, the first insulating sleeve 10, the second insulating sleeve 7 and the reset spring 6 to be completely sealed in the cavity of the shell 1, effectively avoiding rainwater, dust and moisture from entering the inside of the motorcycle rear brake lamp switch, the motorcycle rear brake lamp switch has strong waterproofness and dustproofness, effectively protects the electrical equipment in the motorcycle rear brake lamp switch, prolongs the service life of the motorcycle rear brake lamp switch, reduces the occurrence of safety hazards, and enables the motorcycle rear brake lamp switch to adapt to bad weather and road conditions. The waterproof cap 12 is sleeved on the outer wall of one end (such as the left end) of the shell 1, the sealing gasket 3 is clamped in the first groove of the other end (such as the right end) of the shell 1, the bushing 4 is clamped in the second groove, the sealing gasket 3 is fixedly clamped in the first groove through the bushing 4, the waterproof cap 12, the shell 1 and the sealing gasket 3 and the bushing 4 form a sealing structure, the structure is simple, the assembly is convenient, and the assembly efficiency of the motorcycle rear brake lamp switch is improved.

[0026] As an implementable manner, as shown in Figure 1 、 Figure 2 , a protrusion is arranged on the outer side wall of one end of the shell 1 along the circumferential direction of the shell 1, and a third groove is arranged on the inner side wall of the cap edge of the waterproof cap 12 and matched with the protrusion.

[0027] The third annular groove is matched with the annular protrusion to form a mortise and tenon joint, to improve the stability and durability of the waterproof cap 12 and the shell 1, and to improve the sealing of the motorcycle rear brake light switch.

[0028] As an implementation manner, as shown in Figure 1 、 Figure 2 , the blocking block 11 is arranged around the waterproof cap 12 along the inner side wall of the brim of the waterproof cap 12, the protrusion is matched with the third groove, and the blocking block 11 abuts against the end face of the shell 1 close to one end of the first through hole.

[0029] After the waterproof cap 12 is installed in the shell 1, the protrusion is clamped between the blocking block 11 and the third groove, to further improve the stability of the waterproof cap 12 and the shell 1, and to further improve the sealing of the motorcycle rear brake light switch.

[0030] As an implementation manner, as shown in Figure 1 、 Figure 2 , the outer side wall of the waterproof cap 12 is sleeved with the elastic ring 14 close to the third groove.

[0031] The waterproof cap 12 is further stably positioned and fixed by sleeving the elastic ring 14, to further improve the stability of the waterproof cap 12 and the shell 1, and to further improve the sealing of the motorcycle rear brake light switch. The elastic ring 14 clamps the first contact piece 13 and the second contact piece 9 with the wire 15 in the shell 1, a special tool is used to place the shaft assembly (the movable shaft 5, the first insulating sleeve 10, the annular contact piece 8, the second insulating sleeve 7, and the reset spring 6) in the cavity of the shell 1, the waterproof cap 12 is sleeved on the shell 1, the elastic ring 14 is sleeved on the waterproof cap 12, and further positioning and fastening are performed.

[0032] As an implementation manner, as shown in Figure 1 、 Figure 2 , the waterproof cap 12 includes a cap body and a brim, and the elastic ring 14 is clamped at the joint of the cap body and the brim.

[0033] The cap body and the brim are integrally formed, the outer diameter of the brim is larger than the outer diameter of the cap body, the elastic ring 14 is clamped at the joint of the cap body and the brim of the waterproof cap 12, the brim limits the elastic ring 14, the elastic ring 14 is prevented from sliding out of the brim, and the stability of the waterproof cap 12 and the shell 1 is further improved.

[0034] As an implementation manner, the waterproof cap 12 is a rubber waterproof cap.

[0035] The rubber waterproof cap has better elasticity, wear resistance, slip resistance, sealing, waterproofness, heat and cold resistance, oil resistance, and is suitable for sealing the shell 1 of the motorcycle rear brake light switch to adapt to severe weather and environment.

[0036] As an implementable manner, as shown in Figure 1 The first contact piece 13 and the second contact piece 9 are bent at one end of the cavity extending into the cavity and facing away from the movable shaft 5.

[0037] The first contact piece 13 and the second contact piece 9 are bent at one end of the cavity extending into the cavity and facing away from the movable shaft 5, and the curved part formed is in contact with the annular contact piece 8 or the second insulating sleeve 7. The curved part is smooth in structure, and the movable shaft 5 is beneficial to smooth sliding of the curved part on the annular contact piece 8 or the second insulating sleeve 7.

[0038] As an implementable manner, the first contact piece 13 and the second contact piece 9 are coated with a fluorine-containing lubricating grease layer.

[0039] The fluorine-containing lubricating grease layer is sprayed on the first contact piece 13 and the second contact piece 9, reducing the friction and wear between the first contact piece 13, the second contact piece 9 and the annular contact piece 8 and the second insulating sleeve 7, and being beneficial to smooth sliding of the first contact piece 13 and the second contact piece 9 on the annular contact piece 8 and the second insulating sleeve 7, prolonging the service life of the first contact piece 13, the second contact piece 9, the annular contact piece 8 and the second insulating sleeve 7, reducing noise, and the fluorine-containing lubricating grease layer having a wider temperature range of use and being more suitable for severe weather and environment. The fluorine-containing lubricating grease layer is made of carbon black or metal powder such as copper and zinc.

[0040] As an implementable manner, as shown in Figure 1 , Figure 2 The shell 1 is provided with an external thread at one end away from the first through hole, and a locking nut 2 matched with the external thread is threadedly connected.

[0041] The locking nut 2 is used to improve the stability of the motorcycle rear brake light switch. The locking nut 2 is not a standard hexagonal nut, but has a circular structure. The surface of the locking nut 2 is provided with a plurality of notches, usually 3, 4, 6 or 8. The notches are used as the fulcrum of the tightening tool and the clamping position of the lock washer, and are used in cooperation with the lock washer to effectively prevent the motorcycle rear brake light switch from loosening during use.

[0042] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A totally sealed switch for the rear brake light of a motorcycle comprising a casing (1) inside the cavity of which a mobile shaft (5) is slidingly arranged, characterized in that, One end of the movable shaft (5) is sequentially sleeved with a first insulating sleeve (10), an annular contact sheet (8), a second insulating sleeve (7) and a reset spring (6) along the axial direction of the movable shaft (5), the reset spring (6) is located between the second insulating sleeve (7) and the inner wall of the cavity, the shell (1) is provided with a first through hole and a second through hole in communication with the cavity relative to the side wall of one end of the first insulating sleeve (10), the first through hole and the second through hole are respectively provided with a first contact sheet (13) and a second contact sheet (9), in the initial state, one end of the first contact sheet (13) and the second contact sheet (9) extending into the cavity abuts against the second insulating sleeve (7), the shell (1) is sleeved with a waterproof cap (12) relative to one end of the first insulating sleeve (10), the shell (1) is provided with a first recess and a second recess relative to the other end of the first insulating sleeve (10), the first recess is provided with a sealing washer (3), the second recess is clamped with a bushing (4), the movable shaft (5) slides through the sealing washer (3) and the bushing (4) relative to the other end of the first insulating sleeve (10).

2. A totally sealed motorcycle rear brake light switch according to claim 1, characterized in that, The outer side wall of one end of the shell (1) relative to the first insulating sleeve (10) is provided with a protrusion around the circumference of the shell (1), the waterproof cap (12) is provided with a third recess on the inner side wall close to the brim of the waterproof cap (12), the third recess is in clamping engagement with the protrusion.

3. A totally sealed motorcycle rear brake light switch according to claim 2, characterised in that, The inner side wall of the waterproof cap (12) away from the brim of the waterproof cap (12) is provided with a stop block (11) around the circumference of the waterproof cap (12), the protrusion is in clamping engagement with the third recess, and the stop block (11) abuts against the end face of one end of the shell (1) close to the first through hole.

4. A totally sealed motorcycle rear brake light switch according to claim 2, wherein The outer side wall of the waterproof cap (12) is sleeved with an elastic ring (14) close to the third recess.

5. A totally sealed motorcycle rear brake light switch according to claim 4, characterised in that, The waterproof cap (12) comprises a cap body and a brim, and the elastic ring (14) is clamped at the joint of the cap body and the brim.

6. A totally sealed motorcycle rear brake light switch according to claim 1, wherein The waterproof cap (12) is a rubber waterproof cap.

7. A totally sealed motorcycle rear brake light switch according to claim 1, wherein One end of the first contact sheet (13) and the second contact sheet (9) extending into the cavity is bent towards the direction away from the movable shaft (5).

8. A totally sealed motorcycle rear brake light switch according to claim 1, wherein, A fluorine-containing lubricating grease layer is coated on the first contact sheet (13) and the second contact sheet (9).

9. A totally sealed motorcycle rear brake light switch according to claim 1, wherein, The shell (1) is provided with an external thread at one end away from the first through hole, and a locking nut (2) matched with the external thread is threadedly connected to the shell (1).

Images