CN110748250B

CN110748250B - Special vehicle passenger door locking structure

Info

Publication number: CN110748250B
Application number: CN201911049183.5A
Authority: CN
Inventors: 周中锋; 李晖军; 高勋武; 黄聪; 吴丁汀; 张涵; 谢龙林; 彭足运
Original assignee: Jianglu Machinery and Electronics Group Co Ltd
Current assignee: Jianglu Machinery and Electronics Group Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2021-01-15
Anticipated expiration: 2039-10-31
Also published as: CN110748250A

Abstract

The invention discloses a locking structure of a special vehicle passenger door, which comprises a lock body, a lock cylinder, a shaft sleeve, a fixed sleeve, a steel ball, a first spring, a handle assembly and an O-shaped sealing ring, wherein the lock body, the shaft sleeve and the fixed sleeve are sequentially sleeved at one end of the lock cylinder, the first spring is sleeved at the other end of the lock cylinder and is connected with the handle assembly, and the steel ball and the O-shaped sealing ring are arranged between the shaft sleeve and the lock body. The invention adopts a mechanical structure, realizes that the inside of the vehicle can be locked when the inside and the outside of the vehicle are locked, solves the problem of failure of the carrier door lock, and improves the safety, the sealing property and the reliability of the carrier door lock structure of the special vehicle.

Description

Special vehicle passenger door locking structure

Technical Field

The invention relates to a locking structure, in particular to a locking structure of a special vehicle passenger door.

Background

At present, the passenger door lock structure applied in China can only be locked in a vehicle, when a person operates the door lock outside the vehicle, the passenger door lock structure is locked only by the elasticity of a sealing rubber strip and the friction force between a lock tongue and an oblique plane, and when a special vehicle runs in severe vibration, the friction force between the lock tongue and the oblique plane of the passenger door lock structure fails, so that a passenger door is easy to automatically flick (a torsion bar structure).

Disclosure of Invention

The invention aims to: the utility model provides a special type vehicle carrier door locking structure, adopts mechanical structure, has realized when the locking inside and outside the car, can both lock in the car, has solved carrier door lock inefficacy problem, has improved special type vehicle carrier door locking structure's security, leakproofness, reliability.

The technical scheme adopted by the invention is as follows: a locking structure of a special vehicle passenger door comprises a lock body, a lock core, a shaft sleeve, a fixed sleeve, a steel ball, a first spring, a handle assembly and an O-shaped sealing ring, wherein the lock body, the shaft sleeve and the fixed sleeve are sequentially sleeved at one end of the lock core, the first spring is sleeved at the other end of the lock core and connected with the handle assembly, and the steel ball and the O-shaped sealing ring are arranged between the shaft sleeve and the lock body; the handle assembly comprises a rotating rod, a second spring, a handle sleeve, an adjusting nut and a locking nut, wherein the second spring and the handle sleeve are sleeved on the rotating rod, one end of the rotating rod is vertically connected with the lock cylinder, and the other end of the rotating rod is sequentially connected with the adjusting nut and the locking nut; one end of the second spring is connected with the inner wall of the end part of the handle sleeve, and the other end of the second spring is connected with the adjusting nut; the second spring is arranged so that the handle assembly can automatically reset and be clamped after being used; the lock core is characterized in that a six-point convex part is arranged in the middle of the lock core, a square part is arranged at one end of the lock core, the square part is connected with the rotating rod, and a first spring is sleeved on the lock core part between the six-point convex part and the rotating rod; under the condition that the inside of the automobile is locked, the lock core is pressed down to be separated from the clamping structure inside the automobile, so that the purposes of locking and unlocking outside the automobile and locking inside the automobile are achieved; the lock comprises a lock body, a lock core, a lock cover, a lock core and a key, wherein one end of the lock body is provided with a beveling part, the other end of the lock body is provided with a six-point concave part, the lock core penetrates into the lock body and is clamped with the six-point concave part through the six-point convex part, the beveling part is provided with a key hole, the lock core is pressed through the key to enable the six-point convex part to be separated from the six-point concave part, so that the beveling part on the lock body can rotate; the end part of the fixed sleeve is provided with a clamping groove for moving or fixing the handle assembly, and the clamping groove is used for locking or unlocking a movable path in the handle assembly.

The working principle of the invention is as follows: the handle sleeve is dragged to be separated from the clamping groove in the fixed sleeve and then the handle assembly is rotated, the square structure between the rotating rod and the lock cylinder is utilized to drive the lock cylinder to rotate, the torque is transmitted by the aid of the six-point convex-concave structure between the lock cylinder and the lock body, the lock tongue on the oblique section spinning door cover on the lock body is tightly pressed on the door cover and the sealing rubber strip through rotating the lock body, and finally the handle sleeve is loosened to be clamped into the clamping groove in the fixed sleeve through spring force.

External unlocking and principle: a key is sleeved into a key hole in the lock body, and the lock cylinder is pressed downwards at the same time, so that a six-point convex-concave structure between the lock cylinder and the lock body is separated, and the key is rotated to drive the lock body to be unlocked; and vice versa.

Furthermore, the first spring and the second spring are both pressure springs, so that the effect of resetting after use is achieved.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

the door lock structure adopts a mechanical structure, and the structure is reliable; the handle assembly can be clamped into the fixed sleeve groove through a spring to realize clamping; the handle assembly can transmit torque to the door cover through a square structure, a six-point convex-concave structure and a beveling structure; the door can be closed outside the automobile by releasing the six-point convex-concave structure through the key; when the locking is carried out, the locking in the vehicle can be realized by closing the six-point convex-concave structure.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a front elevational view of the door lock construction of the present invention;

FIG. 2 is a view of the invention from A-A;

FIG. 3 is a view of the present invention B-B;

FIG. 4 is a view of the present invention from C-C;

FIG. 5 is a schematic view of the lock body and lock core of the present invention;

labeled as: 1-lock body, 2-lock core, 3-shaft sleeve, 4-fixing sleeve, 5-steel ball, 6-first spring, 7-handle assembly, 8-O-shaped sealing ring, 9-rotating rod, 10-second spring, 11-handle sleeve, 12-adjusting nut, 13-locking nut, 14-lock tongue, 15-sealing rubber strip, 16-key, 17-square part, 18-six-point convex part, 19-oblique part and 20-six-point concave part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-5, a locking structure for a special vehicle passenger door comprises a lock body 1, a lock cylinder 2, a shaft sleeve 3, a fixed sleeve 4, a steel ball 5, a first spring 6, a handle assembly 7 and an O-shaped sealing ring 8, wherein one end of the lock cylinder 2 is sequentially sleeved with the lock body 1, the shaft sleeve 3 and the fixed sleeve 4, the other end is sleeved with the first spring 6 and connected with the handle assembly 7, and the steel ball 5 and the O-shaped sealing ring 8 are arranged between the shaft sleeve 3 and the lock body 1; the handle assembly 7 comprises a rotating rod 9, a second spring 10, a handle sleeve 11, an adjusting nut 12 and a locking nut 13, the second spring 10 and the handle sleeve 11 are sleeved on the rotating rod 9, one end of the rotating rod 9 is vertically connected with the lock cylinder 2, and the other end of the rotating rod 9 is sequentially connected with the adjusting nut 12 and the locking nut 13; one end of the second spring 10 is connected with the inner wall of the end part of the handle sleeve 11, and the other end of the second spring is connected with the adjusting nut 12; the second spring 10 is arranged to automatically reset and clamp the handle assembly 7 after the handle assembly is used; a six-point convex part 18 is arranged in the middle of the lock cylinder 2, a square part 17 is arranged at one end of the lock cylinder 2, the square part 17 is connected with the rotating rod 9, and a first spring 6 is sleeved on the part, between the six-point convex part 18 and the rotating rod 9, of the lock cylinder 2; under the condition that the inside of the automobile is locked, the lock core 2 is pressed down to be separated from the clamping structure inside the automobile, so that the purposes of locking and unlocking outside the automobile and locking inside the automobile are achieved; a bevel part 19 is arranged at one end of the lock body 1, a six-point concave part 20 is arranged at the other end of the lock body 1, the lock core 2 penetrates into the lock body 1 and is clamped with the six-point concave part 20 through a six-point convex part 18, a key hole is formed in the bevel part 19, the lock core 2 is pressed through a key 16, so that the six-point convex part 18 is separated from the six-point concave part 20, the bevel part 19 on the lock body 1 can rotate to unlock the limit of a lock tongue 14 on a door cover, the lock core 2 is separated from the lock body 1, and the key 16 only rotates; the end part of the fixed sleeve 4 is provided with a clamping groove for moving or fixing the handle assembly 7, and the clamping groove is used for a movable path for locking or unlocking the handle assembly 7 in a vehicle.

The working principle of the invention is as follows: the handle sleeve 11 is dragged to be separated from the clamping groove on the fixed sleeve 4, then the handle assembly 7 is rotated, the lock cylinder 2 is driven to rotate by utilizing a square structure between the rotating rod 9 and the lock cylinder 2, torque is transmitted by utilizing a six-point convex-concave structure between the lock cylinder 2 and the lock body 1, the lock tongue 14 on the oblique section spinning door cover on the lock body 1 is pressed on the door cover and the sealing rubber strip 15 by rotating the lock body 1, and finally the handle sleeve 11 is loosened to be clamped into the clamping groove on the fixed sleeve 4 through spring force.

External unlocking and principle: the key 16 is sleeved into a key 16 hole on the lock body 1, and the lock cylinder 2 is pressed downwards at the same time, so that a six-point convex-concave structure between the lock cylinder 2 and the lock body 1 is separated, and the key 16 is rotated to drive the lock body 1 to be unlocked; and vice versa.

Example 2

On the basis of embodiment 1, the first spring 6 and the second spring 10 are both pressure springs, so that the effect of returning after use is achieved.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.

Claims

1. A locking structure of a special vehicle passenger door comprises a lock body (1), a lock cylinder (2), a shaft sleeve (3), a fixed sleeve (4), a steel ball (5), a first spring (6), a handle assembly (7) and an O-shaped sealing ring (8), and is characterized in that one end of the lock cylinder (2) is sequentially sleeved with the lock body (1), the shaft sleeve (3) and the fixed sleeve (4), the other end of the lock cylinder is sleeved with the first spring (6) and connected with the handle assembly (7), and the steel ball (5) and the O-shaped sealing ring (8) are arranged between the shaft sleeve (3) and the lock body (1); the handle assembly (7) comprises a rotating rod (9), a second spring (10), a handle sleeve (11), an adjusting nut (12) and a locking nut (13), the second spring (10) and the handle sleeve (11) are sleeved on the rotating rod (9), one end of the rotating rod (9) is vertically connected with the end part of the lock cylinder (2), and the other end of the rotating rod is sequentially connected with the adjusting nut (12) and the locking nut (13); one end of the second spring (10) is connected with the inner wall of the end part of the handle sleeve (11), and the other end of the second spring is connected with the adjusting nut (12); a six-point convex part (18) is arranged in the middle of the lock cylinder (2), a square part (17) is arranged at one end of the lock cylinder, the square part (17) is connected with the rotating rod (9), and a first spring (6) is sleeved on the part, between the six-point convex part (18) and the rotating rod (9), of the lock cylinder (2); one end of the lock body (1) is provided with a bevel cutting part (19), the other end of the lock body is provided with a six-point concave part (20), the lock core (2) penetrates into the lock body (1) and is clamped with the six-point concave part (20) through a six-point convex part (18), a key hole is formed in the bevel cutting part (19), the lock core (2) is pressed through a key (16) to enable the six-point convex part (18) to be separated from the six-point concave part (20), and at the moment, the bevel cutting part (19) on the lock body (1) can rotate to unlock the limitation of pressing a bolt (14) on a; the end part of the fixed sleeve (4) is provided with a clamping groove for moving or fixing the handle assembly (7).

2. A special vehicle personnel door locking arrangement according to claim 1, characterized in that the first spring (6) and the second spring (10) are both pressure springs.