CN112360258A

CN112360258A - Vehicle door limiter

Info

Publication number: CN112360258A
Application number: CN202011199700.XA
Authority: CN
Inventors: 石登仁; 潘晖; 李云; 欧阳晨晖; 廖礼平; 张霖; 段珊珊; 丘明敏; 张健
Original assignee: Dongfeng Liuzhou Motor Co Ltd
Current assignee: Dongfeng Liuzhou Motor Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-12
Anticipated expiration: 2040-10-30
Also published as: CN112360258B

Abstract

The invention discloses a vehicle door limiter which comprises a limiting box, a limiting arm and a limiting assembly, wherein the limiting box is arranged on a vehicle door; the limiting arm is hinged to the vehicle body, penetrates through the limiting box and is in sliding fit with the limiting box; the limiting assembly is movably arranged along the length direction of the limiting arm and can be positioned at any position on the limiting arm, and the limiting assembly is used for being abutted against the limiting box so as to limit the relative sliding of the limiting box and the limiting arm. According to the invention, the limiting assembly is arranged on the limiting arm and is in butt fit with the limiting box to limit the relative sliding of the limiting box and the limiting arm, so that the limiting box is positioned at any position on the limiting arm, and the vehicle door can be locked at any angle.

Description

Vehicle door limiter

Technical Field

The invention relates to the technical field of vehicle accessories, in particular to a vehicle door limiter.

Background

The function of the door stopper is to limit the degree of opening of the door, on one hand, the door stopper can limit the maximum opening degree of the door and prevent the door from being opened too much, and on the other hand, the door stopper can keep the door open when needed, and the door cannot be automatically closed when the automobile stops on a slope or blows. The stopper can be divided into an independent type structure and a composite type structure, and the structure of the independent type stopper is various. One structure that is often used in stand alone type stopper comprises spacing arm, the sliding construction and other auxiliary component that contact with spacing arm that have spacing recess, and sliding construction generally adopts the torsional spring to add the gyro wheel, relies on the torsional spring to carry out spacingly to the gag lever post to the spacing recess of force fit of ball.

However, when the existing door check is used, the door cannot be locked at any position during the opening process, so that the door often touches the nearby objects when the door is opened and the vehicle is dropped, and the objects are damaged, and the door is painted or even deformed.

Disclosure of Invention

The invention mainly aims to provide a vehicle door limiter, which aims to solve the problem that the conventional vehicle door cannot be locked at any position in the opening process.

In order to achieve the above object, the present invention provides a door check, comprising:

the limiting box is arranged on the vehicle door;

the limiting arm is hinged to the vehicle body, penetrates through the limiting box and is in sliding fit with the limiting box; and the number of the first and second groups,

the limiting assembly is movably arranged along the length direction of the limiting arm and can be positioned at any position on the limiting arm, and the limiting assembly is used for being abutted against the limiting box so as to limit the relative sliding of the limiting box and the limiting arm.

Optionally, the limiting assembly comprises a support, one of the limiting arm and the support is provided with a sliding groove extending along the length direction of the limiting arm, and the other is provided with a sliding rail matched with the sliding groove.

Optionally, the limiting assembly further comprises a driving part, and the driving part is connected with the bracket and used for driving the bracket to move along the limiting arm.

Optionally, a rack extending along the length direction of the limiting arm is arranged on one side of the limiting arm;

the driving part comprises a gear and a motor for driving the gear to rotate, and the gear is meshed with the rack and is connected with the bracket so as to rotate and move along the length direction of the rack to drive the bracket to move.

Optionally, the door check device further comprises a control device, and the control device is electrically connected with the motor and used for controlling the opening and closing of the motor.

Optionally, the door check device further includes a sensing device, the sensing device is electrically connected to the control device, and is configured to send a sensing signal to the control device when sensing a pedestrian outside the door.

Optionally, a buffer block is arranged on one side of the bracket facing the limiting box.

Optionally, the door check device further comprises a stop block, the stop block is arranged at one end, far away from the vehicle body, of the limit arm, and the limit assembly is located between the stop block and the limit box.

Optionally, a buffer layer is arranged on one side, facing the limiting assembly, of the stop block.

Optionally, a through hole is formed in the limiting box, and the limiting arm penetrates through the through hole;

the utility model discloses a spacing arm of spacing arm, including via hole, first elastic component, second elastic component, spacing interval between the first elastic component and the second elastic component forms the confession the spacing damping space that passes through, just first elastic component with interval adjustable setting between the second elastic component.

According to the technical scheme provided by the invention, the vehicle door limiter comprises a limiting box, a limiting arm and a limiting assembly, wherein the limiting arm is hinged to a vehicle body, the limiting arm penetrates through the limiting box and is in sliding fit with the limiting box, the limiting assembly is movably arranged along the length direction of the limiting arm and can be positioned at any position on the limiting arm, and therefore, the limiting assembly is in butt fit with the limiting box to limit the relative sliding between the limiting box and the limiting arm, so that the limiting box is positioned at any position on the limiting arm, and the vehicle door can be locked at any angle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a door check according to the present invention;

FIG. 2 is a schematic top view of the door check provided in FIG. 1;

FIG. 3 is a schematic front view of the door check provided in FIG. 1;

fig. 4 is a schematic structural view of the limiting assembly in fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Vehicle door limiter	31	Support frame
1	Limiting box	310	Sliding rail
				11	Via hole	311	Buffer block
110a	First elastic member	32	Driving part
				2	Limiting arm	320	Gear wheel
21	Sliding chute	321	Electric machine
				22	Rack bar	4	Stop block
3	Limiting assembly

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

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.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In the conventional door stopper, a door cannot be locked at any position in the opening process, so that the door often touches a nearby object when the door is opened and is detached, so that the object is damaged, and the door is depainted and even deformed; a collision accident may also occur if a riding vehicle or pedestrian passes during the door opening process.

In view of this, the present invention provides a door check device, which can lock the door at any angle. Fig. 1 to 4 show an embodiment of a door check according to the present invention.

Referring to fig. 1 to 3, the door check device 100 includes a check box 1, a check arm 2 and a check assembly 3, wherein the check box 1 is disposed on a vehicle door (not shown); the limiting arm 2 is hinged to a vehicle body (not shown in the figure), and the limiting arm 2 penetrates through the limiting box 1 and is in sliding fit with the limiting box 1; the limiting component 3 is movably arranged along the length direction of the limiting arm 2 and can be positioned at any position on the limiting arm 2, and the limiting component 3 is used for abutting against the limiting box 1 so as to limit the relative sliding between the limiting box 1 and the limiting arm 2.

Specifically, the door is equipped with the confession the passageway of spacing arm 2 installation, spacing arm 2 one end articulate in the automobile body, and the other end stretches into in the door install in the passageway, spacing box 1 is fixed in the exit of installation passageway, spacing subassembly 3 install in the passageway and be located spacing box 1 deviates from one side of automobile body, in the opening and closing process of door, spacing arm 2 can move in spacing box 1.

According to the technical scheme provided by the invention, the vehicle door limiter 100 comprises a limiting box 1, a limiting arm 2 and a limiting component 3, wherein the limiting arm 2 is hinged to a vehicle body, the limiting arm 2 penetrates through the limiting box 1 and is in sliding fit with the limiting box 1, the limiting component 3 is movably arranged along the length direction of the limiting arm 2 and can be positioned at any position on the limiting arm 2, and therefore, the limiting component 3 is in butt fit with the limiting box 1 to limit the relative sliding of the limiting box 1 and the limiting arm 2, so that the limiting box 1 is positioned at any position on the limiting arm 2, and the vehicle door can be locked at any angle.

The invention is not limited to the specific implementation mode that the limiting component 3 is movably arranged along the length direction of the limiting arm 2, in this embodiment, the limiting component 3 includes a support 31, one of the limiting arm 2 and the support 31 is provided with a sliding groove 21 extending along the length direction of the limiting arm 2, and the other is provided with a sliding rail 310 matched with the sliding groove 21, so that the support 31 can reciprocate on the limiting arm 2 through the matching of the sliding groove 21 and the sliding rail 310. Specifically, referring to fig. 1 and fig. 4, the left and right upward side walls of the limiting arm 2 are provided with sliding grooves 21, and the bracket 31 is provided with a sliding rail 310. Preferably, the sliding rail 310 and the sliding groove 21 are in interference fit in the horizontal and vertical directions, so that the sliding groove 21 has both a guiding function and a function of stabilizing the bracket 31.

Further, the limiting assembly 3 further comprises a driving portion 32, the driving portion 32 is connected with the bracket 31 and used for driving the bracket 31 to move along the limiting arm 2, and therefore power is provided for the bracket 31 through the driving portion 32, mechanical automation is achieved, and labor cost is saved.

The specific structure of the driving part 32 is not limited in the present invention, and the driving part may be driven by an air cylinder or a cable, as long as the bracket 31 can move along the limiting arm 2. In this embodiment, a rack 22 extending along the length direction of the position limiting arm 2 is disposed on one side of the position limiting arm 2, the driving portion 32 includes a gear 320 and a motor 321 for driving the gear 320 to rotate, the gear 320 is engaged with the rack 22 and connected to the bracket 31, so that the output shaft of the motor 321 is connected to the gear 320, and when the motor 321 rotates, the gear 320 moves along the length direction of the gear 22, that is, along the length direction of the position limiting arm 2, so as to drive the bracket 31 to move along the length direction of the position limiting arm 2.

It should be noted that the motor 321 is mounted on the bracket 31, and the motor 321 is a braking motor 321, when the power is off, a motor brake (not shown in the figure) on the braking motor 321 is clamped to generate a braking effect, and the bracket 31 is fixed at the position of the limiting arm 2, when the vehicle door is opened, the limiting arm 2 moves in the limiting box 1, and the limiting box 1 touches the bracket 31 fixed to the limiting arm 2 and abuts against the bracket 31, so as to limit the continuous sliding of the limiting arm 2, and further lock the vehicle door at the position; simultaneously, under emergency, can use violence to open the door by force, the thrust that opens the door this moment can be greater than motor brake's clamp force, and the door can be opened. Since the position-limiting component 3 is engaged with the position-limiting arm 2 by the rack 22 of the gear 320, the position-limiting component 3 can be positioned at any position on the position-limiting arm 2, that is, the vehicle door can be locked at any position during the opening process.

In addition, the bracket 31 is provided with a buffer block 311 on one side facing the limit box 1, so that when the limit box 1 abuts against the bracket 31, vibration and abnormal sound are reduced, and the use comfort of a user is improved.

In this embodiment, a through hole 11 is formed in the limiting box 1, the limiting arm 2 penetrates through the through hole 11, a first elastic element 110a and a second elastic element (not shown in the figure) are respectively disposed on two opposite side walls of the through hole 11, a damping space for the limiting arm 2 to pass through is formed between the first elastic element 110a and the second elastic element at an interval, and the interval between the first elastic element 110a and the second elastic element is adjustable. The damping space is a space in which the movement of the limiting arm 2 is retarded, that is, the first elastic member 110a and the second elastic member are telescopically arranged, and the first elastic member 110a and the second elastic member are compressed to a certain extent so as to be mutually abutted against the limiting arm 2, so that the limiting box 1 is subjected to a certain resistance in the process of continuously sliding, and thus, the first elastic member 110a and the second elastic member are matched with the limiting component 3, so that the limiting box 1 is better fixed at any position of the limiting arm 2. The first elastic member 110a and the second elastic member are preferably springs.

Further, the door check 100 further comprises a stop block 4, the stop block 4 is arranged at one end of the check arm 2 far away from the vehicle body, and the check assembly 3 is arranged between the stop block 4 and the check box 1 so as to move between the stop block 4 and the check box 1. The stop block 4 is arranged to limit the moving space of the limit box 1 and prevent the limit box 1 from falling out of the limit arm 2.

It can be understood that, in order to reduce the noise and wear generated when the position limiting assembly 3 contacts the stop block 4, in the present embodiment, a buffer layer is disposed on the side of the stop block 4 facing the position limiting assembly 3. The specific material of the buffer layer is not limited, and can be conventional buffer materials, such as silica gel, rubber and the like.

In order to automatically control the opening and closing of the motor 321, in this embodiment, the door check 100 further includes a control device (not shown in the figure), and the control device is electrically connected to the motor 321 for controlling the opening and closing of the motor 321, so that the door check 100 of the present invention is more intelligent.

Further, the door check 100 further includes a sensing device (not shown in the figure), which is electrically connected to the control device, and is configured to send a sensing signal to the control device when a pedestrian outside the door is sensed. The sensing device can be at least one of a camera, an infrared sensor and the like, and the specific setting is determined according to actual needs. Specifically, during the opening process of the door, when the sensing device detects that an object or a moving object (e.g., a vehicle or a person riding an electric vehicle) is approaching near the vehicle, the sensing device immediately transmits the detected signal to the control device, and the control device controls the motor 321 to open or close, so as to control the number of turns of the motor 321, and further control the door locking position. Therefore, the collision caused by the fact that the vehicle owner does not notice pedestrians or articles in the opening process can be avoided.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A door checker, comprising:

the limiting box is arranged on the vehicle door;

2. The door checker according to claim 1, wherein the check member includes a bracket, one of the check arm and the bracket is provided with a slide groove extending along a length direction of the check arm, and the other is provided with a slide rail engaged with the slide groove.

3. The door checker according to claim 2, wherein the check assembly further includes a drive portion coupled to the bracket for driving the bracket along the check arm.

4. The door checker according to claim 3, wherein a rack extending in a length direction of the check arm is provided on one side of the check arm;

5. The door checker according to claim 4, further comprising a control device electrically connected to the motor for controlling the opening and closing of the motor.

6. The door checker according to claim 5, further comprising a sensing device electrically connected to the control device for sending a sensing signal to the control device when a pedestrian outside the door is sensed.

7. The door checker according to claim 2, wherein a buffer block is provided on a side of the bracket facing the check box.

8. The door checker according to claim 1, further comprising a stop block disposed at an end of the check arm remote from the body, the check assembly being located between the stop block and the check box.

9. The door checker according to claim 8, wherein a cushioning layer is provided on a side of the stop block facing the check assembly.

10. The door checker according to claim 1, wherein a through hole is provided on the check box, and the check arm is inserted through the through hole;