CN201956249U

CN201956249U - Automotive ignition switch

Info

Publication number: CN201956249U
Application number: CN2010206731489U
Authority: CN
Inventors: 吴锦华; 王宗
Original assignee: CHAODA AUTO PARTS Co Ltd
Current assignee: CHAODA AUTO PARTS Co Ltd
Priority date: 2010-12-22
Filing date: 2010-12-22
Publication date: 2011-08-31
Anticipated expiration: 2020-12-22

Abstract

The utility model relates to an automotive ignition switch. The problem that a conventional automotive ignition switch has bad performances is solved. The automotive ignition switch is characterized in that a contact piece is formed by cooperating an upper contact piece with a lower contact piece; the upper contact piece can be in contact with three contact heads at most and the lower contact piece can be in contact with two contact heads at most; or the upper contact piece can be in contact with two contact heads at most and the lower contact piece can be in contact with two contact heads at most. The automotive ignition switch can simultaneously achieve the breakover functions of four contact heads by cooperating the upper contact piece with the lower contact piece, has strong function, and further has the advantages of low workload and high precision.

Description

Automobile ignition switch

Technical field

The utility model relates to a kind of switch, refers in particular to automobile ignition switch.

Background technology

Automobile ignition switch is loaded on the column of training gear under the steering wheel, has on/off controlled function such as radio reception is auxiliary, normal working of engine power supply, engine prewarming, engine start.

At present, this automobile ignition switch is five strip-form contacts CONTACT WITH FRICTION of being abutted against on contact and the terminal block, drives contact chip dislocation by rotating shaft and controls break-make.But there is following shortcoming in this ignition switch: 1, because the relation of structure, a contact chip can only contact 3 strip-form contacts simultaneously synchronously, but can't realize function when requiring simultaneously 4 contact conductings.2, strip-form contacts is the cold stamping workpiece, and dimensional accuracy is lower, is solid riveted joint during riveted joint, and the riveted joint difficulty is big, production efficiency is lower.3, be the assembled group component between rotating shaft and the torsion spring cover, increased by two required precision, give to install and give certain trouble, increased workload.

Summary of the invention

For the shortcoming and deficiency that overcomes background technology, the utility model provides a kind of automobile ignition switch, this ignition switch have functional strong, workload is low and advantage of high precision, has solved functional poor, workload is big and precision the is low shortcoming of existing automobile ignition switch.

The technical solution of the utility model is: a kind of automobile ignition switch, comprise shell, terminal block, described enclosure is provided with rotating shaft, contact chip, described contact chip is located in the rotating shaft, described terminal block is provided with five contacts that function is different, be respectively first contact, second contact, the 3rd contact, the 4th contact and the 5th contact, described contact chip can contact with contact, it is characterized in that: described contact chip is cooperated with following contact chip by last contact chip and forms, the described contact chip of going up can contact with three contacts at most, described contact chip down contacts with two contacts at most, or contact chip contacts with two contacts at most on described, and described contact chip down contacts with two contacts at most.

Further, described contact chip needs at most only to realize contacting with four contacts, and the described contact chip of going up contacts with two contacts, and contact chip contacted with wherein other two contacts under the while was described.

Further, described five contact heads are distributed in inside and outside two circles of terminal block respectively, and described first contact, second contact are positioned at the terminal block inner ring, and described the 3rd contact, the 4th contact, the 5th contact are positioned at the terminal block outer ring.

Further, the described contact chip of going up is provided with first lug and second lug, described second lug contacts with first contact, second contact on the inner ring, described first lug contacts with the 4th contact on the outer ring, described down contact chip is provided with the 3rd lug, and described the 3rd lug contacts with the 3rd contact on the outer ring.

Further again, described rotating shaft comprises rotating shaft body, torsion spring and torsion spring cover, and described torsion spring is located on the rotating shaft body, and described torsion spring covers at the torsion spring periphery, and described rotating shaft body and torsion spring cover are wholely set.

Further, described contact is a rivet-like, and the one end is provided with blind hole.

The utlity model has following beneficial effect: because this ignition switch matches with following contact chip by last contact chip, contact chip and following contact chip can contact the contact more than three on driving when rotating shaft is rotated, thereby realize how different functions, functional diversities, make the scope of application of this product enlarge, increased economic well-being of workers and staff.

Description of drawings

Fig. 1 is an exploded view of the present utility model.

Fig. 2 goes up the structural representation that contact chip cooperates with following contact chip in the utility model.

Fig. 3 is the vertical view of Fig. 2 in the utility model.

Fig. 4 is the three-dimensional reference diagram of Fig. 2 in the utility model.

Fig. 5 is a cutaway view of the present utility model.

Among the figure, shell 1, terminal block 2, contact 3, the first contacts 31, the second contacts 32, the 3rd contact 33, the four contacts 34, the five contacts 35, last contact chip 4, the first lugs 41, the second lugs 42, following contact chip 5, the three lugs 51, rotating shaft body 6, torsion spring 7, torsion spring cover 8, blind hole 9.

Embodiment

At accompanying drawing embodiment of the present utility model is described further below:

Shown in figure, comprise shell 1, terminal block 2, described shell 1 inside is provided with rotating shaft, contact chip, described contact chip is located in the rotating shaft, described terminal block 2 is provided with five contacts 3 that function is different, be respectively first contact, second contact, the 3rd contact, the 4th contact and the 5th contact, described contact chip can contact with contact 3, described contact chip is cooperated with following contact chip 5 by last contact chip 4 and forms, the described contact chip 4 of going up can contact with three contacts 3 at most, described following contact chip 5 contacts with two contacts 3 at most, or contact chip 4 contacts with two contacts 3 at most on described, and described contact chip 5 down contacts with two contacts 3 at most.According to such scheme, because this ignition switch matches with following contact chip 5 by last contact chip 4, contact chip 4 and following contact chip 5 can contact the contact 3 more than three on driving when rotating shaft is rotated, thereby realize how different functions, functional diversities, make the scope of application of this product enlarge, increased economic well-being of workers and staff.

In the utility model, described contact chip needs at most only to realize contacting with four contacts 3, and the described contact chip 4 of going up contacts with two contacts 3, and contact chip 5 contacted with wherein two other contact 3 under the while was described.Changing automobile ignition switch as required only needs four contacts 3 of contact at most, thereby realizes four kinds of different functions.

In the utility model, described five contact heads 3 are distributed in inside and outside two circles of terminal block 2 respectively, and described first contact 31, second contact 32 are positioned at terminal block 2 inner rings, and described the 3rd contact 33, the 4th contact 34, the 5th contact 35 are positioned at terminal block 2 outer rings.Being provided with on the inner ring is two contacts 3, and the outer ring is three contacts 3, needs when installing and be convenient to contact with contact chip.

In the utility model, the described contact chip 4 of going up is provided with first lug 41 and second lug 42, described second lug 41 contacts with first contact 31, second contact 32 on the inner ring, described first lug 42 contacts with the 4th contact 44 on the outer ring, described down contact chip 5 is provided with the 3rd lug 51, and described the 3rd lug 51 contacts with the 3rd contact 33 on the outer ring.In order to match with contact 3, it is above-mentioned structure with following contact chip that contact chip is set, and both cooperate the back effect better.

In the utility model, described rotating shaft comprises rotating shaft body 6, torsion spring 7 and torsion spring cover 8, and described torsion spring 7 is located on the rotating shaft body 1, and described torsion spring cover 7 is located at torsion spring 6 peripheries, and described rotating shaft body 6 is wholely set with torsion spring cover 8.Rotating shaft body 1 is wholely set with torsion spring cover 7, need not be installed to torsion spring 7 covers on the rotating shaft body 6 again, has saved the work of installing, and operating efficiency improves greatly, the required precision of also having avoided both to cooperate.

In the utility model, described contact 3 is a rivet-like, and an end of described contact 3 is provided with blind hole 9.The contact 3 of this rivet-like adopts the cold-heading Precision Machining, and dimensional accuracy is higher, and owing to be provided with blind hole 9, when riveted joint, realizes riveted joint place semi-hollowization, thereby has reduced the difficulty of riveted joint, thereby has effectively reduced working strength, has improved production efficiency.

Embodiment should not be considered as the restriction to utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection range of the present utility model.

Claims

1. automobile ignition switch, comprise shell (1), terminal block (2), described shell (1) inside is provided with rotating shaft, contact chip, described contact chip is located in the rotating shaft, described terminal block (2) is provided with five contacts (3) that function is different, be respectively first contact, second contact, the 3rd contact, the 4th contact and the 5th contact, described contact chip can contact with contact (3), it is characterized in that: described contact chip is cooperated with following contact chip (5) by last contact chip (4) and forms, the described contact chip (4) of going up can contact with three contacts (3) at most, described contact chip (5) down contacts with two contacts (3) at most, or contact chip (4) contacts with two contacts (3) at most on described, and described contact chip (5) down contacts with two contacts (3) at most.

2. automobile ignition switch according to claim 1, it is characterized in that described contact chip at most only needs to realize contacting with four contacts (3), the described contact chip (4) of going up contacts with two contacts (3), and simultaneously described following contact chip (5) contacts with wherein two other contact (3).

3. automobile ignition switch according to claim 1 and 2, it is characterized in that described five contact heads (3) are distributed in inside and outside two circles of terminal block (2) respectively, described first contact (31), second contact (32) are positioned at terminal block (2) inner ring, and described the 3rd contact (33), the 4th contact (34), the 5th contact (35) are positioned at terminal block (2) outer ring.

4. automobile ignition switch according to claim 1 and 2, it is characterized in that the described contact chip (4) of going up is provided with first lug (41) and second lug (42), described second lug (41) contacts with first contact (31), second contact (32) on the inner ring, described first lug (42) contacts with the 4th contact (44) on the outer ring, described down contact chip (5) is provided with the 3rd lug (51), and described the 3rd lug (51) contacts with the 3rd contact (33) on the outer ring.

5. automobile ignition switch according to claim 1 and 2, it is characterized in that described rotating shaft comprises rotating shaft body (6), torsion spring (7) and torsion spring cover (8), described torsion spring (7) is located on the rotating shaft body (6), described torsion spring cover (8) is located at torsion spring (7) periphery, and described rotating shaft body (6) is wholely set with torsion spring cover (8).

6. automobile ignition switch according to claim 1 and 2 it is characterized in that described contact (3) is a rivet-like, and the one end is provided with blind hole (9).