CN219138718U

CN219138718U - Locking mechanism of door actuator

Info

Publication number: CN219138718U
Application number: CN202223454864.XU
Authority: CN
Inventors: 许焰兵
Original assignee: Chongqing Hi Lex Cable System Group Co Ltd
Current assignee: Chongqing Hi Lex Cable System Group Co Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-06
Anticipated expiration: 2032-12-23

Abstract

The utility model provides a locking mechanical system of lid door executor, the on-line screen storage device comprises a base, the slider, the spring tongue, compression spring, the locking hook, slider sliding fit, compression spring is located between spring tongue and the pedestal, set up spacing boss and guide way on the slider, spring tongue and slider fixed connection, a pedestal side wall sets up the spring constant head tank, spring constant head tank center is equipped with semi-circular boss, the upper end of semi-circular boss is the tangential plane, this tangential plane extends into the opening that sets up on the lateral wall, be located semi-circular boss top lateral wall and set up the mounting hole that vertically extends, the mounting hole communicates with the opening, the stiff end of locking hook is bent into the slant extension after vertical buckling again, the stiff end of locking hook passes the mounting hole and makes the slant extension stretch out from the opening and support the tangential plane that is limited in semi-circular boss by compression spring, the free end of locking hook is buckled downwards, extend into the guide way that sets up on the slider, the guide way includes first, the second guide way is switched through spacing boss to the first, the second guide way.

Description

Locking mechanism of door actuator

Technical Field

The utility model relates to the field of door actuators, in particular to a locking mechanism of a door actuator.

Background

At present, the PUSH-PUSH type locking mechanism of the automobile fuel tank cap door actuator, namely a PUSH-PUSH type locking-unlocking mechanism, comprises an actuator base, a sliding block, a lock tongue, a compression spring and a locking hook, wherein the lock tongue is fixedly connected with the sliding block, the sliding block is in sliding fit with the base, the compression spring is arranged between the lock tongue and the side wall of the base, the fixed end of the locking hook is bent by 90 degrees and inserted into a fixed hole formed in the side wall of the base, the free end is bent by 90 degrees and inserted into a guide chute formed in the sliding block, the guide chute is divided into two slideways by a limiting boss, the sliding block is moved by pressing the lock tongue once, the free end of the locking hook moves to the limiting boss along one slideway of the guide chute to form locking, the lock tongue is pressed again to move the sliding block, and the free end of the locking hook is separated from the constraint of the limiting boss and is switched to one slideway of the guide chute to retract, so that unlocking is realized. According to the structure, the fixed end of the locking hook is only inserted into the fixed hole of the base, the free end of the locking hook is also only inserted into the guide chute, when the sliding block moves, the free end of the locking hook is easy to jump upwards and separate from the guide chute, so that the locking mechanism is invalid. How to optimize the door actuator and save the cost is always the key point of long-term research and development of manufacturers.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides a locking mechanism of a door actuator, wherein the free end of a locking hook slides in a guide groove on a sliding block to switch and receives the upward force of the sliding block on the locking hook, an inclined extension part is designed at a fixed end and extends to the tangential plane of a semicircular boss to be in contact with a compression spring, and the downward force of the compression spring is received to exactly offset the upward force of the sliding block on the locking hook.

The technical scheme of the utility model is as follows: the utility model provides a locking mechanical system of lid door executor, includes pedestal, slider, spring bolt, compression spring, locking hook, slider and pedestal sliding fit, compression spring is located between spring bolt and the pedestal, set up spacing boss and guide way on the slider, spring bolt and slider fixed connection, pedestal one side wall sets up the spring constant head tank, the spring constant head tank center is equipped with semicircle boss, semicircle boss's upper end is the tangential plane, and this tangential plane extends into an opening that sets up on the lateral wall, and the lateral wall that is located semicircle boss top sets up a perpendicular mounting hole that extends, mounting hole and opening intercommunication, the stiff end of locking hook is crooked into slant extension after vertical buckling again, and the stiff end of locking hook passes the mounting hole and makes slant extension follow the opening stretch out by compression spring to support the tangential plane that limits to be located semicircle boss, the free end of locking hook is buckled downwards, extends into the guide way that sets up on the slider, the guide way includes first guide way, second guide way, first guide way, second guide way pass through spacing boss switching channel.

And a bell mouth groove is radially arranged at the upper end of the mounting hole.

The free end bending angle is 90 degrees.

The bending angle range of the inclined extension part is 120-135 degrees.

The technical scheme is adopted: the utility model provides a locking mechanical system of lid door executor, includes pedestal, slider, spring bolt, compression spring, locking hook, slider and pedestal sliding fit, compression spring is located between spring bolt and the pedestal, set up spacing boss and guide way on the slider, spring bolt and slider fixed connection, pedestal one side wall sets up the spring constant head tank, the spring constant head tank center is equipped with semicircle boss, semicircle boss's upper end is the tangential plane, and this tangential plane extends into an opening that sets up on the lateral wall, and the lateral wall that is located semicircle boss top sets up a perpendicular mounting hole that extends, mounting hole and opening intercommunication, the stiff end of locking hook is crooked into slant extension after vertical buckling again, and the stiff end of locking hook passes the mounting hole and makes slant extension follow the opening stretch out by compression spring to support the tangential plane that limits to be located semicircle boss, the free end of locking hook is buckled downwards, extends into the guide way that sets up on the slider, the guide way includes first guide way, second guide way, first guide way, second guide way pass through spacing boss switching channel. When the locking action is carried out, the locking hook is subjected to upward force of the sliding block, the inclined extension part of the locking hook is positioned on the tangential plane of the semicircular boss, the inclined extension part is always pressed by the compression spring, the larger the compression spring is, the higher the pressure the inclined extension part is, the upward force of the sliding block on the locking hook is counteracted, the locking hook is prevented from falling out of the guide groove, when the compression spring is pressed by the lock tongue, the locking hook is ensured to be switched in the two guide grooves, and the stability of the locking mechanism is improved.

The upper end of the mounting hole is radially provided with a bell mouth groove, and enough space swing can be provided when the locking hook switches the guide groove to ensure correct switching of the guide groove.

The bending angle range of the inclined extension part is 120-135 degrees, and the design of the angle can ensure the strength of the locking hook and simultaneously ensure that the inclined extension part extends to the tangent plane to contact with the compression spring.

On the basis of the prior art, the structure of the fixed end of the locking hook is changed, the fixed end of the locking hook is provided with the inclined extension part, the fixed end penetrates through the mounting hole arranged on the base body, the inclined extension part extends to the tangential plane of the semicircular boss and is pressed by the compression spring, the inclined extension part is always pressed by the compression spring, the whole locking hook is enabled to bear downward force, the locking mechanism failure caused by the fact that the free end of the locking hook inserted into the guide groove is separated from the guide groove due to the fact that the guide groove is switched or vibrated is avoided, meanwhile, a spring piece is not required to be arranged to press the locking hook, the problems of high vibration sound and manufacturing difficulty and the like caused by the spring piece are solved, the size of the base body is reduced, and the production cost is further saved.

The utility model is further described below with reference to the drawings and specific examples.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a side wall structure of a base of the present utility model;

FIG. 3 is a partial schematic view of the point P of FIG. 2 according to the present utility model;

FIG. 4 is a cross-sectional view of a side wall of a housing according to the present utility model;

FIG. 5 is a schematic view of the structure of the locking hook of the present utility model;

FIG. 6 is a schematic view of the structure of the seat, compression spring and locking hook of the present utility model;

FIG. 7 is a schematic view of the engagement of the compression spring with the locking hook of the present utility model;

fig. 8 is a schematic view showing the swing of the locking hook of the present utility model.

Detailed Description

Referring to fig. 1 to 8, a locking mechanism of a door actuator comprises a base 1, a slide block 2, a lock tongue 5, a compression spring 3 and a locking hook 4, wherein the slide block 2 is in sliding fit with the base 1, the compression spring 3 is positioned between the lock tongue 5 and the base 1, a limit boss 23 and a guide groove are arranged on the slide block 2, the lock tongue 5 is fixedly connected with the slide block 2, a spring positioning groove 13 is arranged on one side wall of the base 1, a semicircular boss 12 is arranged in the center of the spring positioning groove 13, the upper end of the semicircular boss 12 is a tangential plane 121, the tangential plane 121 extends into an opening 15 arranged on the side wall, a vertically extending mounting hole 11 is arranged on the side wall above the semicircular boss 12, the upper end of the mounting hole 11 is radially provided with a bell mouth groove 14, the lower end of the mounting hole is communicated with the opening 15, the fixed end 42 of the locking hook 4 is bent into an inclined extension part 421 after being vertically bent, the fixed end 42 of the locking hook 4 penetrates through the mounting hole 11 to enable the inclined extension part 421 to extend out of the opening 15 and be propped against a tangential plane 121 limited by the semicircular boss 12 by the compression spring 3, the bending angle range of the inclined extension part 421 is 120-135 degrees, the free end 41 of the locking hook 4 is bent downwards, the bending angle of the free end 41 is 90 degrees, the locking hook extends into a guide groove arranged on the sliding block 2, the guide groove comprises a first guide groove 21 and a second guide groove 22, and the first guide groove 21 and the second guide groove 22 are switched in channels through the limiting boss 23.

When the locking mechanism of the door actuator is in an unlocking state, the free end 41 of the locking hook 4 is subjected to upward force of the sliding block 2, the fixed end 42 of the locking hook 4 is fixed in the mounting hole 11, the inclined extension part 421 is subjected to pressure of the compression spring 3, and the locking hook 4 is stably positioned at the end part of the guide groove; when the locking mechanism of the door actuator is operated, the sliding block 2 moves on the seat body 1 by pressing the lock tongue 5, the free end of the locking hook 4 moves into a concave groove formed by the limiting boss 23 along the first guide groove 21 to form locking, meanwhile, the lock tongue 5 pushes the compression spring 3, one end of the compression spring 3 arranged on the semicircular boss 12 is forced to push the inclined extension 421 of the fixed end of the locking hook 4, the locking hook 4 is subjected to downward force, the more the compression spring 3 compresses, the greater the downward force is applied to the locking hook 4, the lock tongue 5 is pressed again to move the sliding block 2, the free end of the locking hook 4 is separated from the constraint of the limiting boss 23 along the concave groove, the free end of the locking hook 4 is switched into the second guide groove 22, after the lock tongue 5 is released, the compression spring 3 pushes the lock tongue 5 to move due to elastic deformation, and meanwhile, the lock tongue 5 drives the sliding block 2 to slide on the seat body 1, the free end of the locking hook 4 returns to the end of the guide groove, and unlocking is completed. According to the locking mechanism of the door actuator, the fixed end of the locking hook 4 penetrates through the mounting hole 11, the inclined extension 421 is always pressed by the compression spring 3, the situation that when the sliding block 2 moves or the door actuator encounters large vibration, the free end 42 of the locking hook jumps upwards and is separated from the guide sliding groove to cause locking failure is avoided, so that a spring piece does not need to be designed to press the locking hook, the problems of vibration sound caused by the spring piece, high manufacturing difficulty and the like are solved, meanwhile, a mounting seat is not required to be arranged for the mounting spring piece, the width of the base is reduced to 8mm from 15.6mm, the volume of the base is reduced, the problem of large occupied space is solved, the production cost is further saved, the locking mechanism does not need to press the spring piece by an end cover, the end cover is not required to be arranged for sealing in an application scene with lower dustproof requirements on parts, the manufacturing cost of the end cover is reduced, a product without dustproof grade is met, and few parts are realized.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, and those skilled in the art will appreciate that the modifications made to the utility model fall within the scope of the utility model without departing from the spirit of the utility model.

Claims

1. The utility model provides a locking mechanical system of lid door executor, includes pedestal (1), slider (2), spring bolt (5), compression spring (3), locking hook (4), slider (2) and pedestal (1) sliding fit, compression spring (3) are located between spring bolt (5) and pedestal (1), set up spacing boss (23) and guide way on slider (2), spring bolt (5) and slider (2) fixed connection, its characterized in that: the utility model discloses a novel locking device for the automobile, including pedestal (1), spring positioning groove (13) center is equipped with semicircle boss (12), the upper end of semicircle boss (12) is tangential plane (121), and in this tangential plane (121) extends into an opening (15) that sets up on the lateral wall, the lateral wall that is located semicircle boss (12) top sets up a mounting hole (11) that extends perpendicularly, mounting hole (11) and opening (15) intercommunication, the stiff end (42) of locking hook (4) are crooked into slant extension (421) after buckling perpendicularly, and stiff end (42) of locking hook (4) pass mounting hole (11) and make slant extension (421) stretch out from opening (15) by compression spring (3) support limit tangential plane (121) that are located semicircle boss (12), free end (41) of locking hook (4) are buckled downwards, extend into the guide way that sets up on slider (2), the guide way includes first guide way (21), second guide way (22), first guide way (21), second guide way (22) pass through spacing boss (23).

2. The door actuator locking mechanism of claim 1, wherein: the upper end of the mounting hole (11) is radially provided with a bell mouth groove (14).

3. The door actuator locking mechanism of claim 1, wherein: the free end (41) is bent at an angle of 90 deg..

4. The door actuator locking mechanism of claim 1, wherein: the bending angle of the inclined extension part (421) ranges from 120 degrees to 135 degrees.