CN202417077U

CN202417077U - Automobile back door lock

Info

Publication number: CN202417077U
Application number: CN 201120480282
Authority: CN
Inventors: 贾炜
Original assignee: 张国网
Current assignee: Jiangsu Jinding automobile lock manufacturing Co., Ltd.
Priority date: 2011-11-26
Filing date: 2011-11-26
Publication date: 2012-09-05
Anticipated expiration: 2021-11-26

Abstract

The utility model relates to an automobile back door lock. The automobile back door lock comprises a fixed support, a base and a back door lock body, wherein the back door lock body is arranged in the base, a pawl shaft and a ratchet shaft are arranged in the back door lock body in parallel, a pawl and a pawl return spring are arranged on the pawl shaft, and a ratchet and a ratchet return spring are arranged on the ratchet shaft; a steel ball is arranged on a small hole on the side plane of the ratchet, and a steel ball spring, a micro-switch and a belleville spring are sequentially stacked on the steel ball; the base is riveted with the fixed support through the ratchet shaft and the pawl shaft; a fixed shaft is arranged on the fixed support, the fixed support, a locking rocker arm, an opening rocker arm and a rocker arm return spring are sequentially arranged on the fixed shaft and riveted together, an outward opening drawn wire is arranged at one end on the opening rocker arm, and the other end of the opening rocker arm is riveted with an opening linkage arm; and an actuator pull rod and a lock core pull rod are riveted on the locking rocker arm. The automobile back door lock disclosed by the utility model has the advantages of convenience in use and mounting, complete functions, stable quality, low cost and long service life.

Description

The automobile back door lock

Technical field:

The utility model relates to the automobile back door lock, refers more particularly to a kind of automobile back door lock of MPV class C16A commercial affairs automobile.

Background technology:

Domestic existing MPV class automobile all is equipped with tailgate; The opening direction of tailgate generally all is to go up open type, and the caution taillight is lighted when door is opened, and MPV class automobile back door area is bigger; Stressed different when afterbody loading and the loading of car depression class boot; This just requires than higher tail-gate lock loading force, to above 2 requirements, so general car can not adopt with the boot lock.Because various automobile door frames and column are all inconsistent, and doorframe forms an angle with column, and this just can not mate with external like product, so will solve the functional requirement and the performance requirement of rear door lock, simultaneously in addition and car door mate appearance requirement.

Summary of the invention:

The purpose of the utility model provides a kind of easy to install and use, complete function, and steady quality, cost is low, long service life, the automobile back door lock that theftproof performance is good.

The purpose of the utility model is to realize like this; A kind of automobile back door lock; Comprise fixed support, base, rear door lock body, it is characterized in that: be provided with the rear door lock body in the described base, be arranged with pawl axis and ratchet shaft in the rear door lock body in parallel; Pawl axis is provided with ratchet, ratchet return spring, and ratchet shaft is provided with ratchet, ratchet return spring; Below pawl-and-gearing, be provided with the buffer stopper axle, be with the buffer stopper spring on the buffer stopper axle, be with buffer stopper on the buffer stopper spring; Ratchet side plane aperture is provided with steel ball, stacks steel ball and spring, microswitch, butterfly spring on the steel ball successively; Base is through ratchet shaft and pawl axis and fixed support riveted joint; Fixed support is provided with fixed axis; Be disposed with fixed support, locking rocking arm on the fixed axis, open rocking arm, rocker-arm return spring and be riveted together; An end is provided with the external-open wire drawing on the unlatching rocking arm, and other end riveted joint has the unlatching coupled arm, opens coupled arm and is provided with sheath; Riveted joint has actuator pull bar and lock core pull bar on the locking rocking arm.

The utility model is easy to install and use, and is multiple functional, steady quality, and cost is low, long service life, theftproof performance is good.

Description of drawings:

Fig. 1 is the utility model master TV structure sketch map.

Fig. 2 is the utility model backsight structural representation.

Fig. 3 is the utility model left side TV structure sketch map.

Fig. 4 is a C-C sectional view among Fig. 3.

Fig. 5 is a D-D sectional view among Fig. 4.

Among the figure 1, open rocking arm, 2, open coupled arm, 3, sheath, 4, base, 5, support, 6, rocker arm shaft; 7, rocker-arm return spring, 8, fixed axis, 9, the actuator pull bar, 10, microswitch, 11, the external-open wire drawing, 12, the locking rocking arm; 13, lock core pull bar, 14, the lock core joint, 15, the actuator joint, 16, snubber block, 17, spring; 18, butterfly spring, 19, steel ball and spring, 20, steel ball, 21, the rear door lock body, 22, ratchet; 23, ratchet shaft, 24, buffer stopper A, 25, ratchet, 26, pawl axis, 27, the ratchet snubber block; 28, ratchet return spring, 29, the buffer stopper axle, 30, the buffer stopper spring, 31, buffer stopper, 32, the ratchet return spring.

The specific embodiment:

Below in conjunction with accompanying drawing the utility model is described further:

With reference to accompanying drawing; A kind of automobile back door lock; Comprise fixed support 5, base 4, rear door lock body 21, it is characterized in that: be provided with rear door lock body 21 in the described base 4, be arranged with pawl axis 26 and ratchet shaft 23 in the rear door lock body 21 in parallel; Pawl axis 26 is provided with ratchet 25, ratchet return spring 28, and ratchet shaft 26 is provided with ratchet 22, ratchet return spring 32; Below ratchet 25 and ratchet 22, be provided with buffer stopper axle 29, be with buffer stopper spring 30 on the buffer stopper axle 29, be with buffer stopper 31 on the buffer stopper spring 30; Ratchet 22 side plane apertures are provided with steel ball 20, stack steel ball and spring 19, microswitch 10, butterfly spring 18 on the steel ball 20 successively; Base 4 is through ratchet shaft 23 and pawl axis 26 and fixed support 5 riveted joints; Fixed support 5 is provided with fixed axis 8; Be disposed with fixed support 5, locking rocking arm 12 on the fixed axis 8, open rocking arm 1, rocker-arm return spring 7 and be riveted together; An end is provided with external-open wire drawing 11 on the unlatching rocking arm 1; Other end riveted joint has the coupled arm 2 of unlatching, opens coupled arm 2 and is provided with sheath 3; Riveted joint has actuator pull bar 9 and lock core pull bar 13 on the locking rocking arm 12.During practical implementation, when opening car door, under the drive of external-open wire drawing; Open rocking arm and drive unlatching coupled arm promotion ratchet disengage from point; Ratchet return car door opening, this moment, steel ball contacted with ratchet, and steel ball and steel ball and spring form the loop with circuit turn-on to microswitch; Circuit is connected, and realizes automobile tail light Chang Liang; When closed door, ratchet rotates around ratchet shaft, and ratchet blocks ratchet when arriving meshing point, and door lock pins, and circuit breaks off, and automobile tail light extinguishes; When door lock is closed, use key to drive the lock core pull bar through promoting the locking rocking arm, realize that key opens and closes the antitheft unlocking function; The actuator pull bar connects goes up dead lock, realizes that then remote controller opens and closes the antitheft unlocking function.

Claims

1. an automobile back door is locked; Comprise fixed support (5), base (4), rear door lock body (21); It is characterized in that: be provided with rear door lock body (21) in the described base (4); Be arranged with pawl axis (26) and ratchet shaft (23) in the rear door lock body (21) in parallel, pawl axis (26) is provided with ratchet (25), ratchet return spring (28), and ratchet shaft (26) is provided with ratchet (22), ratchet return spring (32); Be provided with buffer stopper axle (29) at ratchet (25) and ratchet (22) below, be with buffer stopper spring (30) on the buffer stopper axle (29), be with buffer stopper (31) on the buffer stopper spring (30); Ratchet (22) side plane aperture is provided with steel ball (20), stacks steel ball and spring (19), microswitch (10), butterfly spring (18) on the steel ball (20) successively; Base (4) is through ratchet shaft (23) and pawl axis (26) and fixed support (5) riveted joint; Fixed support (5) is provided with fixed axis (8); Be disposed with fixed support (5), locking rocking arm (12) on the fixed axis (8), open rocking arm (1), rocker-arm return spring (7) and be riveted together; Open the last end of rocking arm (1) and be provided with external-open wire drawing (11); Other end riveted joint has unlatching coupled arm (2), opens coupled arm (2) and is provided with sheath (3); Locking rocking arm (12) is gone up riveted joint has actuator pull bar (9) and lock core pull bar (13).