Ignition switch assembly structure

Abstract

The application discloses a kind of ignition switch assembly structure, include: main casing, ignition lock component, starting switch component and steering lock component;Starting switch component includes: base, bottom cover, rotary block, inner contact, outer contact and first pressing spring;Transmission cam is arranged between ignition lock core and rotary block to connect the two together;Inner, outer contact sliding sleeve is set in rotary block;First pressing spring is arranged between inner contact and rotary block;The bottom surface of base is provided with first protruding structure, and the first protruding structure makes inner contact overcome the elastic force of first pressing spring and be close to outer contact and be electrically connected with it or be away from outer contact under the action of the elastic force of first pressing spring.The ignition switch assembly structure of the application, by making inner contact, outer contact contact and separate static contact in the form of rotation to achieve the requirement of contact opening and closing, avoids the original movable contact up and down movement contact causes arc and ablates contact, improves product life.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of ignition switch assembly structure. BACKGROUND

[0002] Ignition switch assembly is the important component of automobile. The silver contact point of traditional ignition switch assembly structure hits the structure of high current (high power). It is contacted by the up and down movement of cam rotation driven moving contact to achieve the requirement of contact opening and closing. However, when moving contact piece approaches and separates static contact, it is most likely to cause arc and ablation of contact, which affects product life. SUMMARY

[0003] The present application provides an ignition switch assembly structure to solve the above-mentioned technical problems, specifically using the following technical solutions:

[0004] An ignition switch assembly structure, comprising: a main housing, an ignition lock assembly, a starting switch assembly and a steering lock assembly;

[0005] The ignition lock assembly, the starting switch assembly and the steering lock assembly are arranged in the main housing;

[0006] The ignition lock assembly comprises an ignition lock housing and an ignition lock core;

[0007] The ignition lock housing is arranged in the main housing;

[0008] The ignition lock core is arranged in the ignition lock housing;

[0009] The ignition lock core is provided with a key hole for inserting a key;

[0010] The steering lock assembly comprises a transmission cam;

[0011] The starting switch assembly comprises a base, a bottom cover, a rotating block, an inner contact piece, an outer contact piece and a plurality of first pressing springs;

[0012] The base and the bottom cover are connected to form a containing space;

[0013] The rotating block, the inner contact piece, the outer contact piece and the plurality of first pressing springs are arranged in the containing space;

[0014] The transmission cam is arranged between the ignition lock core and the rotating block to connect them together;

[0015] The inner contact piece and the outer contact piece are slidingly sleeved on the rotating block;

[0016] The plurality of first pressing springs are arranged between the inner contact piece and the rotating block to press the inner contact piece towards the bottom surface of the base;

[0017] The bottom surface of the base is provided with a plurality of first protruding structures matched with the inner contact piece. In the process of rotating the rotating block driven by the ignition lock core, the first protruding structures are matched with the inner contact piece to make the inner contact piece approach the outer contact piece to be electrically connected with the outer contact piece or move away from the outer contact piece to be electrically disconnected with the outer contact piece under the elastic force of the first pressing spring.

[0018] Further, the starting switch assembly further comprises a plurality of second pressing springs.

[0019] The plurality of second pressing springs are arranged between the outer contact piece and the rotating block.

[0020] The plurality of second pressing springs press the outer contact piece in the direction of making the outer contact piece approach the inner contact piece.

[0021] Further, the starting switch assembly further comprises a plurality of steel balls and a plurality of third pressing springs.

[0022] The third pressing spring is arranged between the steel ball and the rotating block.

[0023] The third pressing spring presses the steel ball to make the steel ball contact the side wall of the bottom cover.

[0024] The side wall of the bottom cover is provided with a second protruding structure matched with the steel ball.

[0025] Further, the steering lock assembly further comprises a lock seat, a lock tongue, a lock block, a first reset spring and a second reset spring.

[0026] The lock seat is arranged in the main shell.

[0027] The lock tongue and the lock block are connected together and slidably arranged in the lock seat.

[0028] The first reset spring is arranged between the lock block and the main shell.

[0029] The transmission cam is provided with a convex part matched with the lock block.

[0030] In the process of rotating the transmission cam driven by the ignition lock core, the convex part is matched with the lock block to make the lock block move inward to overcome the elastic force of the first reset spring, and the lock block drives the lock tongue to move from the locked position to the unlocked position.

[0031] The second reset spring is arranged in the transmission cam.

[0032] Further, the steering lock assembly further comprises a retaining ring and a positioning pin.

[0033] The retaining ring and the positioning pin are both arranged on the main shell.

[0034] Further, the ignition lock assembly further comprises an anti-disengagement clamping member.

[0035] The anti-disengagement clamping member is rotatably arranged on the ignition lock shell.

[0036] The anti-disengagement clamping member is provided with a locking portion at one end;

[0037] When the convex portion of the driving cam cooperates with the locking block to make the locking block move inward against the elastic force of the first reset spring, the locking portion is clamped into the locking groove formed on the locking block.

[0038] Further, the ignition switch assembly structure further comprises a key signal switch;

[0039] The key signal switch comprises a signal switch base, a top cover, a sliding block, a trigger spring and a trigger block;

[0040] The signal switch base is arranged on the ignition lock shell;

[0041] The top cover is arranged on the signal switch base;

[0042] The trigger spring is arranged between the top cover and the sliding block;

[0043] The trigger block is arranged in the ignition lock core;

[0044] The other end of the anti-disengagement clamping member is arranged between the trigger block and the sliding block;

[0045] During the insertion of the key, the key abuts against the trigger block, the trigger block presses the sliding block through the other end of the anti-disengagement clamping member, and the sliding block moves away from the ignition lock core against the elastic force of the trigger spring.

[0046] Further, the ignition lock assembly further comprises a lock surface cover and an elastic pin assembly;

[0047] The lock surface cover is arranged at the end of the ignition lock core for inserting the key;

[0048] The elastic pin assembly is arranged between the lock surface cover and the ignition lock core.

[0049] Further, the ignition lock assembly further comprises a shaft stop ring and a gear decoration cover;

[0050] The shaft stop ring is used for clamping the ignition lock core to the ignition lock shell;

[0051] The gear decoration cover is arranged outside the lock surface cover;

[0052] The gear decoration cover is provided with a central circular hole for the key to pass through;

[0053] The central circular hole is provided with gear indication marks along the circumference thereof.

[0054] Further, the gear decoration cover is further provided with a clamping portion clamped to the outer surface of the main shell.

[0055] The ignition switch assembly structure has the advantages that the inner contact piece and the outer contact piece rotate to realize the contact and separation of the static contact, the requirement of opening and closing the contact is achieved, the arc caused by the upward and downward movement of the original moving contact is avoided, the contact is not ablated, and the service life of the product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0056] Figure 1 is a schematic view of the ignition switch assembly structure of the present application;

[0057] Figure 2 is a sectional view of the ignition switch assembly structure of the present application;

[0058] Figure 3 is a schematic view of the starting switch assembly of the present application;

[0059] Figure 4 is a schematic view of the starting switch assembly of the present application without the bottom cover;

[0060] Figure 5 is a schematic view of the base of the starting switch assembly of the present application;

[0061] The ignition switch assembly structure 100 includes a main housing 10, an ignition lock assembly 20, an ignition lock housing 21, an ignition lock core 22, an anti-escape clamping piece 23, a locking portion 231, a lock surface cover 24, an elastic pin assembly, a shaft stop ring 26, a gear decoration cover 27, a center circular hole 271, an indication mark 272, a clamping portion 273, a starting switch assembly 30, a base 31, a first protruding structure 311, a bottom cover 32, a second protruding structure 312, a rotating movable block 33, an inner contact piece 34, an outer contact piece 35, a first pressing spring 36, a second pressing spring 37, a steel ball 38, a third pressing spring, a steering lock assembly 40, a transmission cam 41, a convex portion 411, a lock seat 42, a lock tongue 43, a lock block 44, a locking groove 412, a first reset spring 45, a second reset spring 46, a clamping ring 47, a positioning pin 48, a key signal switch 50, a signal switch base 51, a top cover 52, a sliding block 53, and a trigger spring 54. DETAILED DESCRIPTION

[0062] The present application is specifically described below in combination with the drawings and specific embodiments.

[0063] As Figures 1-5The ignition switch assembly structure 100 of the application comprises a main housing 10, an ignition lock assembly 20, a starting switch assembly 30 and a steering lock assembly 40. The ignition lock assembly 20, the starting switch assembly 30 and the steering lock assembly 40 are arranged in the main housing 10. The ignition lock assembly 20 comprises an ignition lock housing 21 and an ignition lock core 22. The ignition lock housing 21 is arranged in the main housing 10. The ignition lock core 22 is arranged in the ignition lock housing 21. The ignition lock core 22 is provided with a key hole for inserting a key. The steering lock assembly 40 comprises a transmission cam 41. The starting switch assembly 30 comprises a base 31, a bottom cover 32, a rotating block 33, an inner contact 34, an outer contact 35 and a plurality of first pressing springs 36. The base 31 and the bottom cover 32 are connected to form a containing space. The rotating block 33, the inner contact 34, the outer contact 35 and the plurality of first pressing springs 36 are arranged in the containing space. The transmission cam 41 is arranged between the ignition lock core 22 and the rotating block 33 to connect them together. The inner contact 34 and the outer contact 35 are slidingly sleeved on the rotating block 33. The plurality of first pressing springs 36 are arranged between the inner contact 34 and the rotating block 33 to press the inner contact 34 towards the bottom surface of the base 31. The bottom surface of the base 31 is provided with a plurality of first protruding structures 311 matched with the inner contact 34. During the rotation of the rotating block 33 driven by the ignition lock core 22, the first protruding structures 311 are matched with the inner contact 34, so that the inner contact 34 is close to the outer contact 35 to be electrically connected with the outer contact 35 or is away from the outer contact 35 to be electrically disconnected with the outer contact 35 under the elastic force of the first pressing springs 36. The ignition switch assembly structure 100 of the application achieves the requirement of opening and closing the contact by making the inner contact 34 and the outer contact 35 contact and separate the stationary contact in the form of rotation, avoiding the ablation of the contact caused by the arc generated by the up and down movement of the original movable contact, and improving the service life of the product.

[0064] As a preferred embodiment, the starting switch assembly 30 further comprises a plurality of second pressing springs 37. The plurality of second pressing springs 37 are arranged between the outer contact 35 and the rotating block 33. The plurality of second pressing springs 37 press the outer contact 35 in the direction of approaching the inner contact 34. Preferably, in the present application, the rotating block 33 is provided with a plurality of first containing holes and second containing holes for containing the first pressing springs 36 and the second pressing springs 37 respectively.

[0065] As a preferred embodiment, the starting switch assembly 30 further comprises a plurality of steel balls 38 and a plurality of third pressing springs (not shown). The third pressing springs are arranged between the steel balls 38 and the rotating block 33. The third pressing springs press the steel balls 38 to make the steel balls 38 contact the side wall of the bottom cover 32. The side wall of the bottom cover 32 is provided with a plurality of second protruding structures 312 matched with the steel balls 38. Preferably, the rotating block 33 is provided with a plurality of third containing holes for containing the third pressing springs and the steel balls 38.

[0066] As a preferred embodiment, the steering lock assembly 40 further comprises a lock housing 42, a lock tongue 43, a lock block 44, a first return spring 45 and a second return spring 46. The lock housing 42 is disposed in the main housing 10. The lock tongue 43 and the lock block 44 are connected together and slidably disposed in the lock housing 42. The first return spring 45 is disposed between the lock block 44 and the main housing 10. The driving cam 41 is provided with a protrusion 411 which cooperates with the lock block 44. During the rotation of the driving cam 41 driven by the ignition lock cylinder 22, the protrusion 411 cooperates with the lock block 44 to make the lock block 44 move inward against the elastic force of the first return spring 45, and the lock block 44 drives the lock tongue 43 to move from the locked position to the unlocked position. The second return spring 46 is disposed in the driving cam 41.

[0067] It can be understood that during the rotation of the key, the ignition lock cylinder 22 drives the driving cam 41, and the protrusion 411 on the driving cam 41 presses the lock block 44 to make the lock block 44 move inward against the elastic force of the first return spring 45 and close to the ignition lock cylinder 22. When the user ignites by the key, the second return spring 46 makes the driving cam 41 return to the position before ignition.

[0068] Further, the steering lock assembly 40 further comprises a retaining ring 47 and a positioning pin 48. The retaining ring 47 and the positioning pin 48 are both disposed on the main housing 10. The steering lock assembly 40 is fixed on the steering column of the automobile through the retaining ring 47 and the positioning pin 48.

[0069] As a preferred embodiment, the ignition lock assembly 20 further comprises an anti-escape clamping member 23. The anti-escape clamping member 23 is rotatably disposed on the ignition lock housing 21. The anti-escape clamping member 23 is provided with a locking portion 231 at one end. When the protrusion 411 of the driving cam 41 cooperates with the lock block 44 to make the lock block 44 move inward against the elastic force of the first return spring 45, the locking portion 231 is clamped into the locking groove 412 formed on the lock block 44. Thus, the lock tongue 43 is kept in the unlocked position.

[0070] As a preferred embodiment, the ignition switch assembly structure 100 further comprises a key signal switch 50. The key signal switch 50 comprises a signal switch base 51, a top cover 52, a slider 53, a trigger spring 54 and a trigger block. The signal switch base 51 is arranged on the ignition lock housing 21. The top cover 52 is arranged on the signal switch base 51. The trigger spring 54 is arranged between the top cover 52 and the slider 53. The trigger block is arranged in the ignition lock core 22. The other end of the anti-escape clamping member 23 is arranged between the trigger block and the slider 53. During the process of inserting the key, the key presses the trigger block, the trigger block presses the slider 53 through the other end of the anti-escape clamping member 23, and the slider 53 moves away from the ignition lock core 22 against the elastic force of the trigger spring 54. During the movement of the slider 53, the communication state of the key signal switch 50 is changed, so as to identify whether the key is inserted.

[0071] As a preferred embodiment, the ignition lock assembly 20 further comprises a lock surface cover 24, an elastic pin assembly (not shown), a shaft stop ring 26 and a gear decoration cover 27. Specifically, the lock surface cover 24 is arranged at one end of the ignition lock core 22 for inserting the key. The elastic pin assembly is arranged between the lock surface cover 24 and the ignition lock core 22. The shaft stop ring 26 is used for clamping the ignition lock core 22 to the ignition lock housing 21. The gear decoration cover 27 is arranged outside the lock surface cover 24. The gear decoration cover 27 is provided with a central circular hole 271 for the key to pass through. The central circular hole 271 is provided with gear indication marks 272 along the circumference thereof. The gear decoration cover 27 is further provided with a clamping portion 273 for clamping with the outer surface of the main housing 10.

[0072] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the above embodiments do not limit the present application in any form, and any technical solutions obtained by equivalent replacement or equivalent transformation fall within the protection scope of the present application.

Claims

1. An ignition switch assembly structure characterized by, The ignition switch assembly comprises a main housing, an ignition lock assembly, a starting switch assembly and a steering lock assembly; The ignition lock assembly, the starting switch assembly and the steering lock assembly are arranged in the main housing; The ignition lock assembly comprises an ignition lock housing and an ignition lock core; The ignition lock housing is arranged in the main housing; The ignition lock core is arranged in the ignition lock housing; The ignition lock core is provided with a key hole for inserting a key; The steering lock assembly comprises a transmission cam; The starting switch assembly comprises a base, a bottom cover, a rotating block, an inner contact, an outer contact and a plurality of first pressing springs; The base and the bottom cover are connected to form a containing space; The rotating block, the inner contact, the outer contact and the plurality of first pressing springs are arranged in the containing space; The transmission cam is arranged between the ignition lock core and the rotating block to connect them together; The inner contact and the outer contact are slidingly sleeved on the rotating block; The plurality of first pressing springs are arranged between the inner contact and the rotating block to press the inner contact towards the bottom surface of the base; The bottom surface of the base is provided with a plurality of first protruding structures matched with the inner contact, and in the process of rotating the rotating block driven by the ignition lock core, the first protruding structures are matched with the inner contact to make the inner contact approach the outer contact to be electrically connected with the outer contact or move away from the outer contact to be electrically disconnected with the outer contact under the elastic force of the first pressing spring.

2. The ignition switch assembly structure according to claim 1, wherein The starting switch assembly further comprises a plurality of second pressing springs; The plurality of second pressing springs are arranged between the outer contact and the rotating block; The plurality of second pressing springs press the outer contact in the direction of approaching the inner contact.

3. The ignition switch assembly structure according to claim 2, wherein The starting switch assembly further comprises a plurality of steel balls and a plurality of third pressing springs; The third pressing springs are arranged between the steel balls and the rotating block; The third pressing springs press the steel balls to make the steel balls contact with the side wall of the bottom cover; The side wall of the bottom cover is provided with a second protruding structure matched with the steel balls.

4. The ignition switch assembly structure according to claim 1, wherein The steering lock assembly further comprises a lock base, a lock tongue, a lock block, a first reset spring and a second reset spring; The lock base is arranged in the main housing; The lock tongue and the lock block are connected together and are slidingly arranged in the lock base; The first reset spring is arranged between the lock block and the main housing; The transmission cam is provided with a convex part matched with the lock block; In the process of rotating the transmission cam driven by the ignition lock core, the convex part is matched with the lock block to make the lock block move inward to overcome the elastic force of the first reset spring, and the lock block drives the lock tongue to move from the locking position to the unlocking position; The second reset spring is arranged in the transmission cam.

5. The ignition switch assembly structure according to claim 4, wherein the steering lock assembly further comprises a retaining ring and a positioning pin. Both the retaining ring and the positioning pin are arranged on the main housing.

6. The ignition switch assembly structure according to claim 5, wherein the ignition lock assembly further comprises an anti-escape clamping member. The anti-escape clamping member is arranged rotatably on the ignition lock housing. One end of the anti-escape clamping member is provided with a locking portion. When the convex portion of the transmission cam cooperates with the locking block to make the locking block move inward against the elastic force of the first return spring, the locking portion is clamped into the locking groove formed on the locking block.

7. The ignition switch assembly structure according to claim 6, wherein the ignition switch assembly structure further comprises a key signal switch. The key signal switch comprises a signal switch base, a top cover, a slider, a trigger spring and a trigger block. The signal switch base is arranged on the ignition lock housing. The top cover is arranged on the signal switch base. The trigger spring is arranged between the top cover and the slider. The trigger block is arranged in the ignition lock core. The other end of the anti-escape clamping member is arranged between the trigger block and the slider. During the insertion of the key, the key abuts against the trigger block, the trigger block presses the slider through the other end of the anti-escape clamping member, and the slider moves away from the ignition lock core against the elastic force of the trigger spring.

8. The ignition switch assembly structure according to claim 1, wherein the ignition lock assembly further comprises a lock surface cover and an elastic pin assembly. The lock surface cover is arranged on the end of the ignition lock core for inserting the key. The elastic pin assembly is arranged between the lock surface cover and the ignition lock core.

9. The ignition switch assembly structure according to claim 8, wherein the ignition lock assembly further comprises a shaft retaining ring and a gear decorative cover. The shaft retaining ring is used to clamp the ignition lock core to the ignition lock housing. The gear decorative cover is arranged outside the lock surface cover. The gear decorative cover is provided with a central circular hole for the key to pass through. The central circular hole is provided with gear indication marks along the circumference thereof.

10. The ignition switch assembly structure according to claim 9, wherein the gear decorative cover is further provided with a clamping portion for clamping with the outer surface of the main housing. ​ ​ ​ ​ ​ ​

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