CN219316708U

CN219316708U - Limiting device for realizing 180-degree opening angle of back door of commercial vehicle

Info

Publication number: CN219316708U
Application number: CN202320183895.1U
Authority: CN
Inventors: 刘昊宇; 袁梦翼
Original assignee: Edscha Automotive Technology Co Ltd
Current assignee: Edscha Automotive Technology Co Ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-07-07
Anticipated expiration: 2033-02-10

Abstract

The utility model relates to a limiting device for realizing 180-degree opening angle of a back door of a commercial vehicle, which comprises a bracket (1), a limiting shell (2), a limiting arm (3) and a release mechanism (4); the support (1) is arranged on the vehicle body, the limiting shell (2) is arranged on the back door, and the back door can drive the limiting shell (2) to slide on the limiting arm (3); one end of the limiting arm (3) is connected with the bracket (1), the other end of the limiting arm is provided with the release mechanism (4), and the limiting arm (3) is provided with a first limiting stop (31); the release mechanism (4) comprises a second limiting bracket (41) and a spring (42), and the second limiting bracket (41) can rotate around the end part of the limiting arm (3) when the spring (42) is compressed. Compared with the prior art, the back door has the advantages that the opening angle of the back door is maximized to about 180 degrees, the back door cannot be blocked, and a larger space is provided for personnel to enter and exit and carry articles.

Description

Limiting device for realizing 180-degree opening angle of back door of commercial vehicle

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a limiting device for realizing 180-degree opening angle of a back door of a commercial vehicle.

Background

The common opening angle of the side-by-side back door of the commercial vehicle in the current market is 90 degrees, and only a single maximum opening angle exists. When the back door is opened to 90 degrees, the space for carrying the articles is limited, and the articles are easy to collide with the back door of the vehicle and movable or static barriers in the surrounding environment; at present, the domestic market lacks of a maximum back door opening angle of 180 degrees and simultaneously keeps a limiting function, and the maximum requirement of article carrying space can be met.

Disclosure of Invention

The utility model aims to provide a limiting device for realizing 180-degree opening angle of a back door of a commercial vehicle.

The aim of the utility model can be achieved by the following technical scheme: a limiting device for realizing 180-degree opening angle of a back door of a commercial vehicle comprises a bracket, a limiting shell, a limiting arm and a release mechanism;

the support is arranged on the vehicle body, the limiting shell is arranged on the back door, and the back door can drive the limiting shell to slide on the limiting arm;

one end of the limiting arm is connected with the bracket, the other end of the limiting arm is provided with a release mechanism, and a first limiting stop is arranged on the limiting arm;

the release mechanism comprises a second limiting bracket and a spring, and the second limiting bracket can rotate around the end part of the limiting arm when the spring is compressed.

Preferably, when the release mechanism is not released, the second limiting bracket is covered on the limiting arm in a semi-surrounding mode, and the limiting shell is located between the second limiting bracket and the bracket.

Preferably, the release mechanism further comprises a pin shaft and a limiting arm connecting part;

the limiting arm connecting part is arranged at the end part of the limiting arm, a pin shaft mounting hole is formed in the limiting arm connecting part, the pin shaft is arranged in the pin shaft mounting hole in a penetrating mode, two side walls of the second limiting support are respectively connected with two ends of the pin shaft, and two ends of the spring are respectively abutted against the limiting arm connecting part and one side wall of the second limiting support.

Further preferably, the release mechanism further comprises a bushing and a support pad;

the bushing and the supporting gasket are sleeved on the pin shaft, the bushing is positioned between the outer wall of the pin shaft and the inner wall of the pin shaft mounting hole, and the supporting gasket is arranged between the spring and the side wall of the second limiting bracket.

Preferably, the first limit stop comprises a gear pit arranged on the limit arm.

Preferably, the limiting arm is provided with a bending structure at the connecting end with the bracket.

Further preferably, the bending structure angle is 90 °.

Preferably, the limiting arm is rotatably connected with the bracket through a bracket pin shaft, and the limiting arm rotates around the back door rotating shaft and the axis of the bracket pin shaft.

Preferably, the spring is compressed by the door pin depressing the second check bracket.

Preferably, after the release mechanism is released, the second limiting support continues to rotate around the back door rotating shaft and the pin shaft, so that the back door continues to be opened to the hard stop position of the hinge according to the track of the limiting arm.

Compared with the prior art, the utility model has the following advantages:

1. the mechanical over-opening mechanism is added, the opening angle of the back door is maximized to about 180 degrees, the back door is not blocked, and a larger space is provided for personnel to enter and exit and for carrying articles;

2. the utility model can keep the limit function in the opening process, and ensure the comfort and stability of opening the back door;

3. the release mechanism is simple in structure and convenient to unlock;

4. according to the utility model, through the design of the limiting arm and the first limiting stop thereof, when the back door is opened by a smaller limiting angle, the back door can be stably stopped at the opening position, and collision caused by swing of the back door is avoided.

Drawings

FIG. 1 is an exploded view of a spacing device of the present utility model;

FIG. 2 is a schematic diagram of a device for limiting the opening of a back door;

FIG. 3 is a schematic diagram of a second time limiting device when the back door is not opened;

fig. 4 is a schematic diagram of a first limiting device structure when the back door is opened at a smaller limiting angle (about 90 °;

fig. 5 is a schematic diagram II of a limiting device structure when the back door is opened by a smaller limiting angle (about 90 °;

FIG. 6 is a schematic diagram of a limiting device with a maximized back door opening angle (about 180 °;

fig. 7 is a schematic diagram II of a limiting device structure when the back door opening angle is maximized (about 180 °);

in the figure: the device comprises a 1-bracket, a 2-limiting shell, a 3-limiting arm, a 31-first limiting stop, a 4-releasing mechanism, a 41-second limiting bracket, a 42-spring, a 43-pin shaft, a 44-limiting arm connecting part, a 45-bushing, a 46-supporting gasket and a 5-bracket pin shaft.

Detailed Description

The utility model will now be described in detail with reference to the drawings and specific examples. The following examples are given by way of illustration of detailed embodiments and specific procedures based on the technical scheme of the present utility model, but the scope of the present utility model is not limited to the following examples.

Example 1

A limiting device for realizing 180-degree opening angle of a back door of a commercial vehicle is shown in figures 1-3 and comprises a bracket 1, a limiting shell 2, a limiting arm 3 and a release mechanism 4. Wherein, support 1 installs on the automobile body, and spacing casing 2 installs on the back of the body door, and spacing arm 3 one end linking support 1, the other end is equipped with release mechanism 4. A first limit stop 31 for satisfying a smaller opening limit of about 90 ° is provided on the limit arm 3. The release mechanism 4 comprises a second limiting bracket 41 and a spring 42, when the spring 42 is compressed, the second limiting bracket 41 can rotate around the end part of the limiting arm 3, so that the back door can be continuously opened to a hinge hard stop position according to the track of the limiting arm 3, and the opening angle of the back door is increased.

Example 2

A limiting device for realizing 180-degree opening angle of a back door of a commercial vehicle is characterized in that a bracket 1 is arranged on a vehicle body, and a limiting shell 2 is arranged on the back door. When the back door is opened, the back door drives the limiting shell 2 to slide on the limiting arm 3, and the smaller opening limit of about 90 degrees is met through the limiting stop (the first limiting stop 31) on the limiting arm 3; as shown in fig. 4 to 5, the back door can be stably stopped at the open position by the catch pit of the limit arm 3. When the opening angle is required to be further enlarged, the back door opening angle can be increased by pressing the limiting support through the vehicle door top pin until the back door hinge hard stop is triggered, and the maximum angle is generally about 180 degrees.

The mechanical release device (release mechanism 4) comprises a second limit bracket 41, a spring 42, a pin 43, a support spacer 46 and a bushing 45. The second limiting bracket 41 is pressed by the door ejector pin, so that the limiting shell 2 continues to slide on the limiting arm 3, the second limiting bracket 41, the spring 42, the pin shaft 43, the supporting gasket 46 and the bushing 45 can continue to open to the hard stop position of the back door hinge along with the movement of the door, and the maximum opening state is shown in fig. 6-7.

The working principle of the limiting device of the embodiment is as follows:

1. when the back door is opened by a smaller limiting angle (about 90 degrees): the support 1 is fixed on the car body, the limiting shell 2 is fixed on the car door, the limiting shell 2 is driven to slide on the limiting arm 3 when the back door is opened, the limiting arm 3 rotates around the back door rotating shaft and the axis of the support pin shaft 5, the back door is opened according to the track of the limiting arm 3, and the back door can be stably stopped at the opening position through the gear pit of the limiting arm 3.

2. When the back door opening angle is maximized (about 180 °): the spring 42 is compressed by pressing the second limiting bracket 41 by the door ejector pin, so that the second limiting bracket 41 continuously rotates around the back door rotating shaft and the pin shaft 43, and the back door continuously opens to the hinge hard stop position according to the track of the limiting arm 3.

The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.

Claims

1. The limiting device for realizing 180-degree opening angle of the back door of the commercial vehicle is characterized by comprising a bracket (1), a limiting shell (2), a limiting arm (3) and a release mechanism (4);

the support (1) is arranged on the vehicle body, the limiting shell (2) is arranged on the back door, and the back door can drive the limiting shell (2) to slide on the limiting arm (3);

one end of the limiting arm (3) is connected with the bracket (1), the other end of the limiting arm is provided with the release mechanism (4), and the limiting arm (3) is provided with a first limiting stop (31);

the release mechanism (4) comprises a second limiting bracket (41) and a spring (42), and the second limiting bracket (41) can rotate around the end part of the limiting arm (3) when the spring (42) is compressed.

2. The limiting device for realizing 180-degree opening of the back door of the commercial vehicle according to claim 1, wherein when the release mechanism (4) is not released, the second limiting bracket (41) is covered on the limiting arm (3) in a semi-enclosed manner, and the limiting shell (2) is positioned between the second limiting bracket (41) and the bracket (1).

3. The limiting device for realizing 180 degrees of opening of a back door of a commercial vehicle according to claim 1, wherein the release mechanism (4) further comprises a pin shaft (43) and a limiting arm connecting part (44);

the limiting arm connecting part (44) is arranged at the end part of the limiting arm (3), a pin shaft mounting hole is formed in the limiting arm connecting part, a pin shaft (43) is arranged in the pin shaft mounting hole in a penetrating mode, two side walls of the second limiting support (41) are respectively connected with two ends of the pin shaft (43), and two ends of the spring (42) are respectively abutted against the limiting arm connecting part (44) and one side wall of the second limiting support (41).

4. A stop device for realizing 180 ° of opening of a back door of a commercial vehicle according to claim 3, wherein said release mechanism (4) further comprises a bushing (45) and a support pad (46);

the bushing (45) and the supporting gasket (46) are sleeved on the pin shaft (43), the bushing (45) is positioned between the outer wall of the pin shaft (43) and the inner wall of the pin shaft mounting hole, and the supporting gasket (46) is arranged between the spring (42) and the side wall of the second limiting bracket (41).

5. The limiting device for realizing 180 ° of opening of a back door of a commercial vehicle according to claim 1, wherein said first limit stop (31) comprises a catch pit provided on a limit arm (3).

6. The limiting device for realizing 180-degree opening of the back door of the commercial vehicle according to claim 1, wherein the limiting arm (3) is provided with a bending structure at the connecting end with the bracket (1).

7. The spacing device for realizing 180 ° of opening of a back door of a commercial vehicle according to claim 6, wherein the bending structure angle is 90 °.

8. The limiting device for realizing 180-degree opening of the back door of the commercial vehicle according to claim 1, wherein the limiting arm (3) is rotatably connected with the bracket (1) through a bracket pin shaft (5), and the limiting arm (3) rotates around a back door rotating shaft and the axis of the bracket pin shaft (5).

9. The stopper device for realizing 180 ° of opening of a back door of a commercial vehicle according to claim 1, wherein the spring (42) is compressed by pressing the second stopper bracket (41) by the door knock pin.

10. The limiting device for realizing 180-degree opening of a back door of a commercial vehicle according to claim 1, wherein after the release mechanism (4) releases, the second limiting bracket (41) continues to rotate around the back door rotating shaft and the pin shaft (43), so that the back door continues to be opened to a hinge hard stop position according to the track of the limiting arm (3).