CN106761056B

CN106761056B - Self-suction tail door lock assembly

Info

Publication number: CN106761056B
Application number: CN201710120272.9A
Authority: CN
Inventors: 冷智银; 沈卫军; 薛昌华; 李永祥; 王翔
Original assignee: Jiangsu Xushun Dongming Auto Parts Co ltd
Current assignee: Jiangsu Xushun Dongming Cloud Intelligent Technology Co ltd
Priority date: 2017-03-02
Filing date: 2017-03-02
Publication date: 2022-04-01
Anticipated expiration: 2037-03-02
Also published as: CN106761056A

Abstract

The self-absorption tail gate lock body assembly comprises a tail gate lock body and a tail gate lock driving module, wherein one end of the tail gate lock driving module is connected with a self-absorption rocker arm of the tail gate lock body through a stay cable, and the other end of the tail gate lock driving module is provided with a wire harness; the tail gate lock driving module comprises a fixing bottom plate, a lower cover plate is arranged above the fixing bottom plate, an upper cover plate is arranged above the lower cover plate, a rack is sequentially arranged in the lower cover plate from left to right, a secondary transmission gear, a primary transmission gear and a motor are arranged inside the lower cover plate, the primary transmission gear is composed of a pinion A above and a turbine below, the turbine is meshed with a worm, the secondary transmission gear is composed of a bull gear B above and a pinion B below, the pinion A is meshed with the bull gear B, the pinion B is meshed with a tooth part of the rack, a switch A and a switch B are sequentially arranged between the motor and the rear wall of the lower cover plate from right to left, the switch A and the switch B are arranged downwards. The invention has reasonable structure, good safety and multiple functions.

Description

Self-suction tail door lock assembly

Technical Field

The invention belongs to the technical field of automobile locks, and particularly relates to a P260 self-suction tail gate lock body assembly.

Background

With the continuous increase of national economy and the continuous improvement of the living standard of people, automobiles begin to be popularized, and in order to meet the needs of users, the tail door lock body assembly in the prior art has large electromagnetic interference and poor safety because the driving module and the tail door lock body adopt an integrated design, so that the tail door lock body assembly is easy to open or close by mistake. How to improve the quality of the tail gate lock body assembly, more convenient operation than the past, safe in utilization, reduce cost is the subject that the technical personnel of the factory of producing the automobile lock fittings must solve.

Disclosure of Invention

The object of the present invention is to solve the above technical problems.

The purpose of the invention is realized as follows: a self-absorption tail gate lock body assembly comprises a tail gate lock body and a tail gate lock driving module, wherein the tail gate lock body comprises a bottom plate, a protective cover is arranged on one side of the bottom plate, a lock body is installed on the bottom plate, a pawl shaft, a ratchet wheel shaft, a gear shaft and a self-absorption rocker arm shaft are respectively arranged on the horizontal plane in the middle of the bottom plate, the pawl shaft sequentially penetrates through a pawl linkage block, a pawl is connected with the bottom plate, a pawl return spring is arranged on the outer ring of the pawl shaft, one end of the ratchet wheel shaft penetrates through a ratchet wheel to be connected with the bottom plate, a ratchet wheel return spring is arranged on the outer ring of the ratchet wheel shaft, the other end of the ratchet wheel shaft is connected with a fixed plate, a micro switch fixing seat and a transmission gear are sequentially arranged on the gear shaft, the self-absorption rocker arm shaft sequentially penetrates through the self-absorption rocker arm, a self-absorption linkage arm, a self-absorption rocker arm return spring and a fixed plate are connected, the self-absorption linkage arm shaft sequentially penetrates through a ratchet wheel shifting arm, a linkage arm bushing is connected with a self-absorption rocker arm, be equipped with snubber block, safety block, motor sub-assembly, pawl buffer block and safety block return spring on the horizontal plane of the inside below of lock body, be equipped with on the positive horizontal plane of lock body and connect sub-assembly, its characterized in that: one end of the tail door lock driving module is connected with a self-absorption rocker arm of the tail door lock body through a pull rope, and the other end of the tail door lock driving module is provided with a wire harness; the tail door lock driving module comprises a fixed bottom plate, a special-shaped slotted hole is formed in the fixed bottom plate, a lower cover plate is arranged above the fixed bottom plate, an upper cover plate is arranged above the lower cover plate, reinforcing ribs are arranged in the lower cover plate, a rack, a secondary transmission gear, a primary transmission gear and a motor are sequentially arranged in the lower cover plate from left to right, an output shaft of the motor is arranged leftwards, and a worm and a shaft sleeve are sequentially arranged on the output shaft of the motor from left to right; a rivet hole is formed in the left end of the rack, a tooth part is arranged on one side of the middle of the rack, and a chamfer angle is formed in the right end of the rack; the first-stage transmission gear consists of an upper small gear A and a lower worm gear, the worm gear is meshed with the worm, the second-stage transmission gear consists of an upper large gear B and a lower small gear B, the small gear A is meshed with the large gear B, the small gear B is meshed with a tooth part of the rack, a switch A and a switch B are sequentially arranged between the motor and the rear wall of the lower cover plate from right to left, and contacts of the switch A and the switch B are arranged downwards; a stay cable rivet is arranged in the rivet hole of the rack and is connected with the special-shaped slotted hole of the fixed bottom plate through the rivet hole of the rack, the connecting hole of the stay cable and the slotted hole of the lower cover plate in sequence;

the middle part of the secondary transmission gear is provided with a pin shaft, the pin shaft penetrates through a gasket above the secondary transmission gear to be connected with the upper cover plate, and the pin shaft sequentially penetrates through the gasket below the secondary transmission gear and the lower cover plate to be connected with the fixed bottom plate;

the middle part of the first-stage transmission gear is provided with a pin shaft, the pin shaft penetrates through a gasket above the first-stage transmission gear to be connected with the upper cover plate, and the pin shaft sequentially penetrates through a gasket below the second-stage transmission gear and the lower cover plate to be connected with the fixed bottom plate;

the upper part of the lock body is provided with an inward-opening rocker arm, and the inward-opening rocker arm is fixed on the lock body through an inward-opening rocker arm fixing clamp.

The tail door lock body and the tail door lock driving module are arranged separately, so that interference is avoided, safety is good, functions are multiple, and good economic and social benefits are achieved when the tail door lock body and the tail door lock driving module are popularized and applied.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural diagram of the tail gate lock body of the invention.

Fig. 3 is a schematic structural diagram of a tail gate lock driving module of the invention.

In the figure: 1. a tail gate lock body; 2. a cable; 3. a tail door lock driving module; 4. a wire harness; 101. a base plate; 102. a ratchet shaft; 103. a self-priming rocker shaft; 104. a self-priming rocker arm; 105. a fixing plate; 106. a gear shaft; 107. a lock body; 108. an inner swinging arm; 109. an inward swing arm fixing clamp; 110. a pawl shaft; 111. a shield; 301. fixing the bottom plate; 302. a lower cover plate; 303. a switch A; 304. a switch B; 305. a motor; 306. a worm; 307. a shaft sleeve; 308. a rack; 309. a primary transmission gear; 310. a secondary transmission gear; 311. an upper cover plate; 312. a cable rivet.

Detailed Description

The invention will be further described, but not limited, by reference to the following figures:

a self-suction tail gate lock body assembly comprises a tail gate lock body 1 and a tail gate lock driving module 3, wherein the tail gate lock body 1 comprises a bottom plate 101, a protective cover 111 is arranged on one side of the bottom plate 101, a lock body 107 is installed on the bottom plate 101, a pawl shaft 110, a ratchet shaft 102, a gear shaft 106 and a self-suction rocker shaft 103 are respectively arranged on the horizontal plane in the middle of the bottom plate 101, the pawl shaft 110 sequentially penetrates through a pawl linkage block, a pawl is connected with the bottom plate 101, a pawl return spring is arranged on the outer ring of the pawl shaft 110, one end of the ratchet shaft 102 penetrates through a ratchet wheel to be connected with the bottom plate 101, a ratchet return spring is arranged on the outer ring of the ratchet shaft 102, the other end of the ratchet shaft 102 is connected with a fixing plate 105, a micro switch fixing seat and a transmission gear are sequentially arranged on the gear shaft 106, the self-suction rocker shaft 103 sequentially penetrates through the self-suction rocker arm 104, a self-suction linkage arm, a self-suction rocker arm and a fixing plate 105, the linkage arm shaft sequentially penetrates through the ratchet shifting arm and a ratchet arm, The self-absorption linkage arm shaft bushing is connected with a self-absorption rocker arm 104, a damping block, a safety block, a motor sub-assembly, a pawl buffer block and a safety block return spring are arranged on the horizontal plane below the inside of the lock body 107, a plug sub-assembly is arranged on the horizontal plane of the front surface of the lock body 107, one end of a tail gate lock driving module 3 is connected with the self-absorption rocker arm 104 of the tail gate lock body 1 through a stay rope 2, and the other end of the tail gate lock driving module 3 is provided with a wire harness 4; the tail door lock driving module 3 comprises a fixed bottom plate 301, a special-shaped slotted hole is formed in the fixed bottom plate 301, a lower cover plate 302 is arranged above the fixed bottom plate 301, an upper cover plate 311 is arranged above the lower cover plate 302, reinforcing ribs are arranged in the lower cover plate 302, a rack 308, a secondary transmission gear 310, a primary transmission gear 309 and a motor 305 are sequentially arranged in the lower cover plate 302 from left to right, an output shaft of the motor 305 is arranged leftwards, and a worm 306 and a shaft sleeve 307 are sequentially arranged on the output shaft of the motor 305 from left to right; a rivet hole is formed in the left end of the rack 308, a tooth part is formed in one side of the middle of the rack 308, and a chamfer angle is formed in the right end of the rack 308; the primary transmission gear 309 is composed of an upper small gear A and a lower worm gear, the worm gear is meshed with the worm 306, the secondary transmission gear 310 is composed of an upper large gear B and a lower small gear B, the small gear A is meshed with the large gear B, the small gear B is meshed with a tooth part of the rack 308, a switch A303 and a switch B304 are sequentially arranged between the motor 305 and the rear wall of the lower cover plate 302 from right to left, and contacts of the switch A303 and the switch B304 are all arranged downwards; a guy cable rivet 312 is arranged in the rivet hole of the rack 308, and the guy cable rivet 312 is connected with the special-shaped slotted hole of the fixed bottom plate 301 through the rivet hole of the rack 308, the connecting hole of the guy cable 2 and the slotted hole of the lower cover plate 302 in sequence; a pin shaft is arranged in the middle of the secondary transmission gear 310, penetrates through a gasket above the secondary transmission gear 310 and is connected with the upper cover plate 311, and sequentially penetrates through a gasket below the secondary transmission gear 310 and the lower cover plate 302 and is connected with the fixed bottom plate 301; a pin shaft is arranged in the middle of the first-stage transmission gear 309, penetrates through a gasket above the first-stage transmission gear 309 and is connected with the upper cover plate 311, and sequentially penetrates through a gasket below the second-stage transmission gear 310 and the lower cover plate 302 and is connected with the fixed bottom plate 301; an inward-opening rocker arm 108 is arranged at the upper part of the lock body 107, and the inward-opening rocker arm 108 is fixed on the lock body 107 through an inward-opening rocker arm fixing clamp 109; the chamfer of the rack 308 contacts the contacts of switch a303 and switch B304, respectively, as the rack moves.

In specific implementation, the motion principle is as follows: 1) the lock catch ring pushes the ratchet wheel to rotate to a certain angle to be meshed with the pawl, a signal is collected through a switch A303 when the lock catch ring reaches a half locking position, the tail door lock driving module 3 receives a feedback signal to pull the self-suction rocker arm 104, the self-suction rocker arm 104 drives the ratchet wheel shifting arm, and the ratchet wheel shifting arm shifts the ratchet wheel to enable the lock body to reach a full locking position so as to realize door lock locking; 2) when the full locking position is reached, signals are collected through a switch B304; the tail door lock driving module 3 reversely rotates and restores to the initial position, and the action flow is door closing action (the door lock is in a full locking state); 3) the motor sub-assembly drives the transmission gear to rotate, the transmission gear stirs the pawl linkage block, the pawl linkage block drives the pawl, the pawl and the ratchet wheel are separated from a meshing position, and the vehicle door is opened (the door lock is in an opening state); 4) when the emergency opening device is in emergency opening, the internally-opened rocker arm is manually stirred, the internally-opened rocker arm stirs the pawl linkage block, and the pawl linkage block drives the pawl to enable the pawl and the ratchet wheel to be disengaged from the meshing position.

Has the following functions:

1. the emergency opening function is realized, the inward-opening rocker arm is pulled to pull the pawl linkage block to directly act on the pawl, so that the lock body is opened;

2. the electric unlocking function is realized, the motor sub-assembly drives the transmission gear to rotate, the transmission gear directly acts on the pawl linkage block, and the pawl linkage block drives the pawl to open the lock body;

3. the self-priming function is that when the lock body is locked to a half-locking position, the lock body driving mechanism pulls the self-priming rocker arm, the self-priming rocker arm stirs the ratchet wheel stirring arm, and the ratchet wheel stirring arm stirs the ratchet wheel to enable the lock body to reach a full-locking position;

4. the self-locking prevention function is realized, the motor sub-assembly enables the ratchet wheel and the pawl to be in a tripping process through the transmission mechanism, if the ratchet wheel cannot return to the initial position, the pawl linkage block cannot return under the action of the safety block, the pawl linkage block drives the pawl to be in an opening state all the time, at the moment, the ratchet wheel and the pawl cannot be meshed, and the car door cannot be closed.

The above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, but not intended to limit the scope of the present invention, and all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.

Claims

1. A self-absorption tail gate lock body assembly comprises a tail gate lock body (1) and a tail gate lock driving module (3), wherein the tail gate lock body (1) comprises a bottom plate (101), a protective cover (111) is arranged on one side of the bottom plate (101), a lock body (107) is installed on the bottom plate (101), a pawl shaft (110), a ratchet shaft (102), a gear shaft (106) and a self-absorption rocker shaft (103) are respectively arranged on the horizontal plane of the middle part of the bottom plate (101), the pawl shaft (110) sequentially penetrates through a pawl linkage block, a pawl is connected with the bottom plate (101), a pawl return spring is arranged on the outer ring of the pawl shaft (110), one end of the ratchet shaft (102) penetrates through a ratchet wheel to be connected with the bottom plate (101), a ratchet return spring is arranged on the outer ring of the ratchet shaft (102), the other end of the ratchet shaft (102) is connected with a fixing plate (105), a microswitch fixing seat and a transmission gear are sequentially arranged on the gear shaft (106), from inhaling rocking arm axle (103) and passing in proper order from inhaling rocking arm (104), from inhaling the linkage arm, from inhaling rocking arm return spring and fixed plate (105) and connecting, from inhaling the linkage arm axle and passing ratchet toggle arm in proper order, from inhaling linkage arm shaft liner and connect from inhaling rocking arm (104), be equipped with snubber block, safety block, motor subassembly, pawl buffer block and safety block return spring on the horizontal plane of lock body (107) inside below, be equipped with on the positive horizontal plane of lock body (107) and connect and insert subassembly, its characterized in that: one end of the tail door lock driving module (3) is connected with a self-absorption rocker arm (104) of the tail door lock body (1) through a pull rope (2), and the other end of the tail door lock driving module (3) is provided with a wire harness (4); the tail door lock driving module (3) comprises a fixed base plate (301), a special-shaped slotted hole is formed in the fixed base plate (301), a lower cover plate (302) is arranged above the fixed base plate (301), an upper cover plate (311) is arranged above the lower cover plate (302), reinforcing ribs are arranged in the lower cover plate (302), a rack (308), a secondary transmission gear (310), a primary transmission gear (309) and a motor (305) are sequentially arranged in the lower cover plate (302) from left to right, an output shaft of the motor (305) is arranged leftwards, and a worm (306) and a shaft sleeve (307) are sequentially arranged on the output shaft of the motor (305) from left to right; a rivet hole is formed in the left end of the rack (308), a tooth part is formed in one side of the middle of the rack (308), and a chamfer angle is formed in the right end of the rack (308); the first-stage transmission gear (309) consists of a pinion A above and a worm wheel below, the worm wheel is meshed with the worm (306), the second-stage transmission gear (310) consists of a bull gear B above and a pinion B below, the pinion A is meshed with the bull gear B, the pinion B is meshed with a tooth part of the rack (308), a switch A (303) and a switch B (304) are sequentially arranged between the motor (305) and the rear wall of the lower cover plate (302) from right to left, and contacts of the switch A (303) and the switch B (304) are all arranged downwards; a cable rivet (312) is arranged in a rivet hole of the rack (308), and the cable rivet (312) is connected with the special-shaped slotted hole of the fixed bottom plate (301) through the rivet hole of the rack (308), a connecting hole of the cable (2) and a slotted hole of the lower cover plate (302) in sequence;

a pin shaft is arranged in the middle of the secondary transmission gear (310), the pin shaft penetrates through a gasket above the secondary transmission gear (310) to be connected with the upper cover plate (311), and the pin shaft penetrates through a gasket below the secondary transmission gear (310) in sequence and the lower cover plate (302) to be connected with the fixed bottom plate (301);

a pin shaft is arranged in the middle of the first-stage transmission gear (309), penetrates through a gasket above the first-stage transmission gear (309) and is connected with the upper cover plate (311), and sequentially penetrates through a gasket below the second-stage transmission gear (310) and the lower cover plate (302) and is connected with the fixed bottom plate (301);

an inward-opening rocker arm (108) is arranged at the upper part of the lock body (107), and the inward-opening rocker arm (108) is fixed on the lock body (107) through an inward-opening rocker arm fixing clamp (109).