CN209838013U

CN209838013U - Door stopper, door and vehicle

Info

Publication number: CN209838013U
Application number: CN201920045115.0U
Authority: CN
Inventors: 王秀杰
Original assignee: Hainixing Auto Parts (nanjing) Co Ltd
Current assignee: Hainixing Auto Parts (nanjing) Co Ltd
Priority date: 2019-01-11
Filing date: 2019-01-11
Publication date: 2019-12-24
Anticipated expiration: 2029-01-11

Abstract

The utility model provides a door stopper, door and vehicle relates to the vehicle engineering field, including stopper housing, run through the spacing arm in the middle part of stopper housing, the last symmetry of spacing arm is provided with curved spacing recess, is provided with the holding tank on the stopper housing in the direction of perpendicular to spacing arm, is provided with the spacing unit with spacing recess adaptation in the holding tank, and spacing unit adopts the apron to fix; the limiting unit comprises a cylinder, a spring and a steel ball; the cylinder is of a cylindrical structure with one closed end, the other end of the cylindrical structure is provided with a shrinkage opening for accommodating steel balls with a half-volume, and the end part of each steel ball far away from the shrinkage opening is abutted against the limiting arm; the spring is arranged in the cylindrical structure, one end of the spring is abutted against the closed end of the cylindrical structure, and the other end of the spring is abutted against the steel ball; the utility model discloses well spacing unit can make the standard component, effective reduction in production cost and the assembly degree of difficulty, and the utility model discloses a stopper effectively reduces friction consume and noise.

Description

Door stopper, door and vehicle

Technical Field

The utility model relates to a vehicle engineering technical field, concretely relates to door stopper, door and vehicle.

Background

A door check, generally mounted on a door of an automobile, whose main functions include limiting the maximum opening angle of the door, preventing the door from being opened excessively, and maintaining the door in a certain position during normal opening and closing of the door, or under special circumstances; the stopper support is fixed on the vehicle body through a mounting bolt, the stopper housing is fixed on the vehicle door through two mounting screws, and when the vehicle door is opened or closed, the stopper housing can move along the limiting arm. When the stopper housing moves to the limit point designed on the limit arm, the stopper can play a role in limiting the vehicle door under the action of the limit force.

The conventional vehicle door limiter is classified according to the structure and is provided with an independent limiter and a door hinge integrated limiter; the device is classified according to the limiting force providing mode and comprises a compression rubber limiter, a compression spring limiter and a torsion spring limiter. In the existing stopper structure, the rubber of the compressed rubber stopper is easy to age and sensitive to temperature change, so that the service life of the stopper and the requirement on the service temperature of the stopper are difficult to guarantee; in addition, the friction loss in the compression spring limiter is large and noise is easy to generate; the torsion spring limiter is large in size and heavy in weight, and does not meet the requirement for light weight of an automobile.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a door stopper, door and vehicle through setting up spacing unit into the standard component, effectively reduces the manufacturing cost and the assembly degree of difficulty of door stopper, reduces the friction consume and the noise problem of stopper.

To achieve the above objective, the present invention provides the following technical solutions: the utility model provides a car door limiter, includes stopper housing, spacing arm runs through in the middle part of stopper housing, and the symmetry is provided with the spacing recess of a plurality of arcs on the spacing arm, be provided with on the stopper housing with the spacing unit of spacing recess adaptation, spacing unit slides on spacing arm, and the stopper produces great switch moment when spacing unit slides to spacing groove position.

The limiting unit comprises a cylinder, a spring and a steel ball; accommodating grooves which are sunken towards the interior of the limiter housing are arranged on the limiter housing in the direction perpendicular to the length direction of the limiting arm, and the accommodating grooves are symmetrically arranged on two sides of the limiting arm; the limiting unit is arranged in the accommodating groove, and the column body is matched with the accommodating groove; a cover plate is arranged outside the limiter cover shell and close to the opening direction of the accommodating groove, and the cover plate is used for tightly pressing and fixing the limiting unit; the cylinder is of a cylindrical structure with one closed end, the other end of the cylindrical structure is provided with a shrinkage opening for accommodating steel balls with a half-volume, and the end part of each steel ball far away from the shrinkage opening is abutted against the limiting arm; the spring is arranged in the tubular structure and is always in a compressed state, one end of the spring is abutted to the closed end of the tubular structure, and the other end of the spring is abutted to the steel ball. The spring and the steel ball which are in direct contact are arranged in the cylinder, and the cylinder is directly matched with the stopper housing, so that the problems of friction loss and noise are effectively reduced; and the limiting unit can be directly preassembled and set as a standard component in production, and the standard component is directly applied and installed during vehicle door assembly, so that the assembly difficulty and the production cost of the limiter are effectively reduced.

Furthermore, the shrinkage opening of cylinder is riveted with the steel ball, prevents that the steel ball from the shrinkage opening of cylinder coming off.

Furthermore, the cover plate is connected to the stopper housing, the connection mode of the cover plate and the stopper housing is one of hinging, welding, bolt connection and press mounting, and a simpler hinging mode is usually adopted, so that the replacement and the overhaul of parts are facilitated.

Furthermore, the cylinder is of a cylindrical structure with one closed end, the spring is a compression spiral spring, the working load of the compression spiral spring is 350N-500N, the size of the spring is matched with the inner wall of the cylindrical structure, the movement of the spring in the cylinder is reduced, and the noise is reduced.

Furthermore, the material of stopper housing is nylon, under the condition of guaranteeing stopper housing intensity, satisfies the requirement of car lightweight simultaneously.

Furthermore, the utility model also provides an install the door of above-mentioned door stopper to and install the vehicle of this door, the friction loss of the door stopper of this door and vehicle is little, and the noise is little, long service life.

According to the technical scheme provided by the utility model, the utility model discloses a door stopper, door and vehicle that technical scheme provided have obtained following beneficial effect:

the utility model discloses a car door stopper, car door and vehicle, including stopper housing, run through the spacing arm in the middle part of stopper housing, the last symmetry of spacing arm is provided with a plurality of curved spacing recesses, is provided with the holding tank sunken to stopper housing inside in the direction of perpendicular to spacing arm on the stopper housing, sets up spacing unit in the holding tank, and spacing unit adopts the apron to fix; the limiting unit comprises a cylinder, a spring and a steel ball, the cylinder is matched with the accommodating groove, the cylinder is of a cylindrical structure with one closed end, the other end of the cylindrical structure is provided with a shrinkage opening for accommodating the steel ball in a half-volume mode, the end, far away from the shrinkage opening, of the steel ball abuts against the limiting arm, and the steel ball is matched with the limiting groove; the spring is arranged in the cylindrical structure, one end of the spring is abutted against the closed end of the cylindrical structure, and the other end of the spring is abutted against the steel ball; the utility model discloses a car door limiter, wherein spacing unit simple structure can make the standard component, effective reduction in production cost and the assembly degree of difficulty.

The stopper housing and the limiting unit in the stopper have less relative movement, so that the friction loss of the stopper housing and the limiting unit parts is effectively reduced, and the service life of the stopper is prolonged; in addition the utility model discloses a do not have interference or transition fit of large tracts of land between the part of car door stopper, so the possibility that stopper produced the noise is just lower in the relative motion in-process, effectively reduces the noise.

It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent.

The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.

Drawings

The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a cross-sectional view of a door checker according to the present invention;

fig. 2 is a sectional view of the stopper unit.

Wherein, the specific meaning of each mark is as follows:

1-limiting arm, 1.1-limiting groove, 2-limiter housing, 2.1-accommodating groove, 3-limiting unit, 3.1-column, 3.2-spring, 3.3-steel ball and 4-cover plate.

Detailed Description

For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.

In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not intended to include all aspects of the present invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

Based on the rubber stopper that adopts among the prior art has the service temperature restriction, and spring or torsional spring stopper friction consume greatly and easily produce the noise in the use, is unfavorable for technical problem such as car lightweight requirement, the utility model aims at providing a car door stopper sets up to the standard component through the spacing unit with in the stopper, effectively reduces manufacturing cost and the assembly degree of difficulty, reduces the relative motion of the inside spare part of stopper, reduces friction consume and noise.

The door check device, the vehicle door, and the vehicle according to the present invention will be further described in detail with reference to the embodiments shown in the drawings.

Referring to fig. 1, the vehicle door limiter comprises a limiter housing 2 and a limiting arm 1, wherein the limiting arm 1 penetrates through the middle part of the limiter housing 2 and is connected to a vehicle body, a plurality of arc-shaped limiting grooves 1.1 are symmetrically arranged on the limiting arm 1, the other parts of the limiter housing 2 except a through hole matched with the limiting arm 1 in the middle part are all arranged to be solid structures, the limiter housing 2 is connected to a vehicle door, accommodating grooves 2.1 which are sunken into the limiter housing 2 are arranged on the limiter housing 2 in a direction perpendicular to the length direction of the limiting arm 1, the accommodating grooves 2.1 are symmetrically arranged on two sides of the limiting arm 1, and limiting units 3 are arranged in the accommodating grooves 2.2; a cover plate 4 is arranged outside the limiter housing 2 and close to the opening direction of the accommodating groove 2.1, and the cover plate 4 is used for tightly pressing and fixing the limiting unit 3; the position limiter housing 2 slides on the position limiting arm 1, and when the steel balls 3.3 on the position limiting unit 3 move to the position of the position limiting groove 1.1, the position limiter generates larger door opening and closing moment.

As shown in fig. 2, the limiting unit 3 includes a cylinder 3.1, a spring 3.2 and a steel ball 3.3, and the cylinder 3.1 is adapted to the accommodating groove 2.1; the concrete steps are as follows: the cylinder 3.3 is of a cylindrical structure with one closed end, the other end of the cylindrical structure is provided with a shrinkage opening for accommodating the steel ball 3.3 with over half volume, the end part of the steel ball 3.3 far away from the shrinkage opening is abutted against the limiting arm 1, and the steel ball 3.3 is matched with the limiting groove 1.1; the spring 3.2 is arranged in the tubular structure, the spring 3.2 is always in a compression state, one end of the spring 3.2 is abutted to the closed end of the tubular structure, the other end of the spring is abutted to the steel ball 3.3, the spring 3.2 and the steel ball 3.3 are in a direct contact state, the spring 3.2 directly acts on the steel ball 3.3, and noise and energy loss generated in the transmission process of transition structures such as a spring seat are reduced.

According to the specific embodiment, one end of the limiting arm 1 is connected to the limiter support and is connected to the vehicle body through the limiter support, the other end of the limiting arm 1 is connected to the limiting block, and the limiting block is used for limiting the movement of the limiter housing 2; the cover plate 4 is connected to the stopper housing 2, the connection mode of the cover plate 4 and the stopper housing 2 is one of hinging, welding, bolt connection and press mounting, of course, other fixing modes can be adopted to connect the cover plate 4 and the stopper housing 2, and the cover plate 4 plays a role in fixing the limiting unit; moreover, in some embodiments, the cover plate 4 usually closes the opening of the accommodating groove 2.1, so as to prevent dust from falling into the accommodating groove 2.1 during the use of the stopper, thereby increasing the fit clearance between the cylinder 3.1 and the accommodating groove 2.1 and increasing the friction loss and noise. In other embodiments, a rubber pad is further arranged at the position, which is covered by the limiting arm 1, of the limiter housing 2, so that the abrasion and the noise caused by the sliding of the limiter housing 2 on the limiting arm 1 are reduced.

The utility model discloses a focus on, the utility model provides a spacing unit 3 simple structure, consequently can directly process into the standard component in making and use and sell, consequently the stopper can directly use the standard component assembly in assembling process, effectively reduces the assembly degree of difficulty and the manufacturing cost of stopper.

With further reference to the embodiment shown in fig. 2, the column body 3.1 is configured as a cylindrical structure with one closed end, and the contraction opening of the column body 3.1 is riveted with the steel ball 3.3, however, other fixing methods may be adopted to accommodate the steel ball 3.3 in the column body 3.1 in a half volume without falling out of the column body 3.1; the spring 3.2 is a compression spiral spring, in the embodiment shown in the attached drawing, a conventional compression spiral spring is selected, the wire diameter is 2.4mm, the intermediate diameter is 10.35mm, the free length is 28.7mm, the rigidity is about 55N/mm, and the working load is 350N-500N; the steel ball 3.3 is made of stainless steel and has a radius of 6.5 mm; the cylinder 3.1 is made of low carbon steel or stainless steel, the thickness is 1.5mm, the outer diameter of the cylinder is 8mm, the height is 30mm, and the cylinder 3.1 is made of alloy materials to ensure the strength of the cylinder 3.1; in the utility model, the size of the cylinder 3.1, the specification of the steel ball 3.3 and the specification of the spring 3.2 are related, and the functions of the limiting unit 3 are all within the protection range of the patent, so the specific specifications of the cylinder 3.1, the steel ball 3.3 and the spring 3.2 are not limited, and are selected according to actual needs; the utility model discloses a spring 3.2's size respectively with steel ball 3.3 diameter, cylinder 3.1's cylindric structure's inner wall adaptation, reduce spring 3.2 at the inside relative motion between 3.3 and the steel ball of cylinder 3.1, realize the less rolling friction of friction consume through steel ball 3.3 simultaneously, and then reduce the holistic friction power consumption of spacing unit 3 and noise of motion.

In some embodiments, the stopper housing 2 is made of nylon, the nylon material has certain structural strength and lighter weight compared with an alloy material, so that the requirement of modern customers on light weight of automobiles is met, other materials can be selected for preparation, and the specific material is determined according to the production requirement; the accommodating groove 2.1 on the limiter housing 2 can be a square groove, so that the processing is convenient; the stopper housing 2 is of a solid structure, so that the structural strength of the stopper housing 2 is enhanced, the limiting unit 3 is tightly fixed, and friction loss and noise generated by relative movement of the limiting unit 3 in the stopper housing 2 are reduced.

Have the technical problem that service temperature restriction, friction consume are big, the noise is big and life is short for solving above-mentioned current stopper, the utility model also provides a door, foretell door stopper is installed to the door, and the door stopper structure on this door assembles simply, and friction consume and noise are little, long service life. In order to solve the technical problem, the utility model also provides a vehicle, install foretell door on the vehicle, this vehicle door of getting on the bus effectively realizes limit switch, the door stopper long service life of installation on the vehicle, and the whole noise that opens and shuts of door is little.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.

Claims

1. A car door limiter comprises a limiter housing and limiting arms, wherein the limiting arms penetrate through the middle of the limiter housing, and are symmetrically provided with a plurality of arc-shaped limiting grooves; a cover plate is arranged outside the limiter cover shell and close to the opening direction of the accommodating groove, and the cover plate is used for tightly pressing and fixing the limiting unit;

the limiting unit comprises a cylinder, a spring and steel balls, the cylinder is of a cylindrical structure with one closed end, the cylindrical structure is matched with the accommodating groove, and the other end of the cylindrical structure is provided with a shrinkage opening for accommodating the steel balls with half volume; the end part of the steel ball far away from the contraction opening is abutted against the limiting arm, and the steel ball is matched with the limiting groove; the spring is arranged in the tubular structure and is always in a compressed state, one end of the spring is abutted to the closed end of the tubular structure, and the other end of the spring is abutted to the steel ball.

2. The door checker according to claim 1, wherein the constricted opening of the cylinder is riveted with a steel ball.

3. The door checker according to claim 1, wherein the cylinder is a cylindrical structure with one end closed.

4. The door checker according to claim 1, wherein the cover plate is coupled to the checker casing in one of a hinged, welded, bolted, and press-fit manner.

5. The door checker according to claim 1, wherein the spring is sized to fit against the inner wall of the cylindrical structure of the post.

6. The door checker according to claim 5, wherein the spring is a compression coil spring, and a working load of the compression coil spring is 350N to 500N.

7. The door checker according to claim 1, wherein the checker cover is made of nylon.

8. A vehicle door equipped with the door checker according to any one of claims 1 to 7.

9. A vehicle having the door of claim 8 mounted thereon.