CN111852223A

CN111852223A - Power-assisted automobile front and rear cover hinge and automobile

Info

Publication number: CN111852223A
Application number: CN202010791436.2A
Authority: CN
Inventors: 熊雪娇; 宋志宝; 严艇
Original assignee: Pulitzer Intelligent Technology Kunshan Co ltd
Current assignee: Pulitzer Intelligent Technology Kunshan Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2020-10-30

Abstract

The invention discloses a power-assisted automobile front and rear cover hinge and an automobile, and belongs to the technical field of automobile parts. The power-assisted automobile front and rear cover hinge comprises a connecting rod component and a spiral spring component; the connecting rod assembly comprises a first swing arm and a second swing arm, one end of the first swing arm is hinged to the cover body, the other end of the first swing arm is hinged to the vehicle body fixing plate, a first connecting arm is hinged to the first swing arm, the other end of the first connecting arm is hinged to a second connecting arm, and the second connecting arm is hinged to the vehicle body fixing plate and the other end of the second swing arm respectively; one end of the spiral spring assembly is hinged to the automobile body fixing plate, the other end of the spiral spring assembly is hinged to the connecting rod assembly, and the spiral spring assembly drives the connecting rod assembly to drive the cover body to swing on the automobile body fixing plate. The automobile comprises the power-assisted automobile front and rear cover hinges. The power-assisted automobile front and rear cover hinge and the automobile are convenient to open at the power-assisted initial angle, long in service life, good in adaptability to the use environment and convenient to use.

Description

Power-assisted automobile front and rear cover hinge and automobile

Technical Field

The invention relates to the technical field of automobile parts, in particular to a power-assisted automobile front and rear cover hinge and an automobile.

Background

At present, most automobile engine covers or trunk lids need to be lifted and opened by manpower in the opening and closing processes and are supported and positioned through fixed support rods or air support rods. Because the weight of lid is great to in the switching process, the arm need lift up higher height just can block into the vaulting pole of lid, bring great difficulty for the less person's of height switching lid of strength, especially to the higher or heavier motorcycle type of lid in chassis, more difficult to accomplish through the manpower.

Among the prior art, can dispose the air spring around some motorcycle types on covering to supplementary switching lid, however, because the air spring receives environmental factor to influence great when using, and life is shorter, when using for a long time, can cause the helping hand inefficacy, especially opens the initial stage, has to open the problem of difficultly or can't bounce open, brings inconvenience for the use.

Disclosure of Invention

The invention aims to provide a power-assisted automobile front and rear cover hinge which is convenient for power-assisted initial angle opening, long in service life, good in adaptability to use environment and convenient to use.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a lid hinge around helping hand formula car which installs between automobile body fixed plate and lid, lid hinge includes around helping hand formula car:

the connecting rod assembly comprises a first swing arm and a second swing arm, one end of the first swing arm is hinged to the cover body, the other end of the first swing arm is hinged to the vehicle body fixing plate, a first connecting arm is hinged to the first swing arm, the other end of the first connecting arm is hinged to a second connecting arm, and the second connecting arm is hinged to the vehicle body fixing plate and the other end of the second swing arm respectively;

and one end of the spiral spring assembly is hinged on the automobile body fixing plate, the other end of the spiral spring assembly is hinged with the connecting rod assembly, and the spiral spring assembly drives the connecting rod assembly to drive the cover body to swing on the automobile body fixing plate.

Optionally, the distance between the hinge point of the first swing arm and the hinge point of the second swing arm on the cover body is L1, and the distance between the hinge point of the second connecting arm and the second swing arm and the hinge point of the first swing arm on the vehicle body fixing plate is L2, wherein L1< L2<2 × L1.

Optionally, the end of the first swing arm close to the vehicle body fixing plate is provided with a first extension arm, the end of the second connecting arm close to the vehicle body fixing plate is provided with a second extension arm, and the two ends of the first connecting arm are respectively hinged to the first extension arm and the second extension arm.

Optionally, an included angle between the first extension arm and the first swing arm is more than 150 °, and the first swing arm is perpendicular to the second connecting arm.

Optionally, the coil spring assembly comprises:

a coil spring body;

the two connecting end heads are respectively arranged at two ends of the spiral spring body and are respectively hinged with the connecting rod component and the vehicle body fixing plate;

the flexible guiding axle wears to establish in the coil spring body, and connects on two link heads.

Optionally, the helical spring body is a compression spring.

Optionally, the coil spring assembly is hinged to the second connecting arm, and an included angle between the coil spring assembly and the moving direction of the second connecting arm is more than 20 °.

Optionally, the front and rear cover hinges of the power-assisted vehicle further comprise a limiting assembly, and the limiting assembly is used for limiting the swing angle of the connecting rod assembly.

Optionally, the limiting assembly comprises an opening limiting block, the opening limiting block is arranged on one side, close to the second swing arm, of the first swing arm, and the first swing arm is abutted to the limiting block when the first swing arm drives the cover body to be in an opening state.

Optionally, the limiting assembly comprises a closing limiting block, the closing limiting block is arranged on the other side, far away from the second swing arm, of the first swing arm, and the closing limiting block abuts against the first swing arm when the first swing arm drives the cover body to be in a closing state.

Another object of the present invention is to provide an automobile which has a long service life and is convenient to use.

an automobile comprises the power-assisted automobile front and rear cover hinges.

The invention has the beneficial effects that:

according to the power-assisted automobile front and rear cover hinge, the connecting rod assembly forms a movable hinge point C through the second swing arm and the second connecting arm which are hinged, and meanwhile, the spiral spring assembly is matched, so that power-assisted opening of the movable hinge point C is achieved, and the force for opening the cover body is reduced; the spiral spring assembly drives the connecting rod assembly, the energy is released quickly, the spiral spring assembly can push the cover body away after the cover body is unlocked, and the cover is lifted without labor and is opened quickly; and compare in the air spring, the coil spring subassembly has better service environment adaptability, long service life, has effectively solved the lid and has become invalid for a long time and can't bounce off the problem.

According to the automobile provided by the invention, the service life is prolonged and the use is convenient by using the hinge for the front cover and the rear cover of the power-assisted automobile.

Drawings

FIG. 1 is a schematic structural view of a front and rear cover hinge of a power-assisted vehicle according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating the operation of a front and rear cover hinge of a power-assisted vehicle according to an embodiment of the present invention.

In the figure:

100-a vehicle body fixing plate; 200-a cover body;

11-a first swing arm; 111-a first extension arm; 12-a first connecting arm; 13-a second swing arm; 14-a second connecting arm; 141-a second extension arm;

2-a coil spring assembly; 21-a helical spring body; 22-a connection terminal;

31-opening a limiting block; 32-closing the stopper.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In order to facilitate opening and closing of the front and rear covers of the automobile, in the related art, a gas spring is generally installed between the body fixing plate 100 and the cover body 200 to provide an opening and closing assisting force. When the novel cover is used for a long time, the problem that the air spring fails and the like exists, so that the cover is difficult to lift or cannot be bounced open when the initial angle of the front cover and the rear cover is opened, and inconvenience is brought to use.

In order to solve the above problems, the present embodiment provides a front and rear cover hinge of a power-assisted vehicle, which includes a connecting rod assembly and a coil spring assembly 2; as shown in fig. 1 and 2, the connecting rod assembly comprises a first swing arm 11, a second swing arm 13, and a first connecting arm 12 and a second connecting arm 14 hinged between the first swing arm 11 and the second swing arm 13; specifically, one end of the first swing arm 11 is hinged to the cover 200 to form a hinge point a, and the other end is hinged to the vehicle body fixing plate 100 to form a hinge point x; one end of the first connecting arm 12 is hinged with the first swing arm 11 to form a hinge point F, and the other end of the first connecting arm 12 is hinged with the second connecting arm 14 to form a hinge point E; one end of the second connecting arm 14 is hinged on the vehicle body fixing plate 100 to form a hinge point y, the other end of the second connecting arm 14 is hinged with one end of the second swing arm 13 to form a hinge point C, and the other end of the second swing arm 13 is hinged on the cover plate to form a hinge point B; one end of the spiral spring assembly 2 is hinged to the vehicle body fixing plate 100 to form a hinge point z, the other end of the spiral spring assembly 2 is hinged to the connecting rod assembly to form a hinge point D, and the spiral spring assembly 2 drives the connecting rod assembly to drive the cover body 200 to swing on the vehicle body fixing plate 100.

Referring to fig. 1 and 2, hinge points A, B, C, D, E and F are both movable hinge points, and hinge points x, y, and z are both fixed hinge points; the connecting rod assembly forms a movable hinge point C through the second swing arm 13 and the second connecting arm 14 which are hinged, and meanwhile, the connecting rod assembly is matched with the spiral spring assembly 2, so that the assistance opening of the movable hinge point C is realized, and the force for opening the cover body 200 is reduced; the spiral spring assembly 2 drives the connecting rod assembly, the energy is released quickly, after the cover body 200 is unlocked, the spiral spring assembly 2 can push the cover body 200 open, and the cover lifting does not need to be laborious and is quick to open; and compare in the air spring, coil spring subassembly 2 has better service environment adaptability, long service life, has effectively solved the lid 200 and has become invalid for a long time and can't bounce off the problem.

As shown in fig. 1, specifically, the length dimension of the hinge depends on the lid body 200 and the second swing arm 13; the height dimension of the hinge depends on the vehicle body fixing plate 100, the lid body 200, the first swing arm 11 and the second swing arm 13; the lifting height of the hinge is determined by the first swing arm 11. As shown in fig. 2, specifically, the angle of the hinge opening is 180 ° and the difference between ≤ BCy, the smaller the angle BCy, the larger the hinge opening angle, and the maximum limit is that the AB link coincides with the Ax link.

Generally, the opening angle of the front and rear covers of the passenger car is 45 ° to 65 °, and in order to satisfy the above requirement, it is preferable that the distance between the hinge points (point a to point B as shown in fig. 2) of the first and

second swing arms

11 and 13 on the cover body 200 is L1, and the distance between the hinge point of the second connecting arm 14 and the second swing arm 13 and the hinge point (point C to point x as shown in fig. 2) of the first swing arm 11 on the body fixing plate 100 is L2, where L1< L2<2 × L1, so as to satisfy the opening angle range of the cover body 200 is 0 to 66 °, thereby satisfying the opening requirement.

In this embodiment, the end of the first swing arm 11 near the end of the body fixing plate 100 is provided with a first extension arm 111, the end of the second connecting arm 14 near the end of the body fixing plate 100 is provided with a second extension arm 141, and two ends of the first connecting arm 12 are respectively hinged to the first extension arm 111 and the second extension arm 141, so as to facilitate the assembly of the connecting rod assembly. Further optionally, an included angle between the first extension arm 111 and the first swing arm 11 is more than 150 °, and the first swing arm 11 is perpendicular to the second connection arm 14, so that the first connection arm 12 applies an acting force to the first swing arm 11 within the opening angle range of the cover 200.

In this embodiment, the coil spring assembly 2 includes a coil spring body 21, two connection ends 22 and a telescopic guide shaft, wherein the two connection ends 22 are respectively disposed at two ends of the coil spring body 21, and the two connection ends 22 are respectively hinged to the connecting rod assembly and the vehicle body fixing plate 100, so as to realize that the coil spring is hinged to the connecting rod assembly and the vehicle body fixing plate 100; the telescopic guide shaft penetrates through the spiral spring body 21 and is connected to the two connecting end heads 22; the spiral spring body 21 is made to move telescopically along the telescopic guide shaft so as to ensure the rotation precision of the connecting rod and the stability of the structure during movement; the initial length of the telescopic guide shaft is not less than the length of the spiral spring body 21 during compression so as to ensure that the spiral spring body 21 can be normally compressed; the maximum length of the telescopic guide shaft is not more than the length of the spiral spring body 21 when the telescopic guide shaft is released, so that the structural material of the telescopic guide shaft is saved, and the cost is saved.

Specifically, the connecting end 22 is provided with a connecting lug, and the spiral spring assembly 2 is hinged through the connecting lug and a pin shaft; further specifically, the installation height of the spiral spring assembly 2 is higher than that of the connecting rod assembly, so that interference between the spiral spring assembly 2 and the connecting rod assembly is avoided in the movement process, and normal operation of the front cover hinge and the rear cover hinge of the boosting type automobile is guaranteed.

Further optionally, the coil spring assembly 2 further includes an elastic protective cover, which is sleeved on the coil spring body 21 and connected to the two connecting ends 22 to protect the coil spring body 21 from external damage and prolong the service life of the coil spring body 21, and in addition, the force released by the coil spring body 21 is large, so as to avoid injury to a user in the using process; alternatively, the coil spring body 21 is a compression spring, and when the lid body 200 is closed, the second connecting arm 14 is supported in the direction of the lid body 200. In other embodiments, the spiral spring assembly 2 may also be a spring cylinder, a cylinder body of the spring cylinder is hinged to the vehicle body fixing plate 100, a piston rod of the spring cylinder is hinged to the connecting rod assembly, spring steel also has a good service life and environmental suitability, and the spring cylinder is the prior art, can be purchased or customized directly, and is convenient to use.

Optionally, the coil spring assembly 2 is hinged to the second connecting arm 14, the movable hinge point C is arranged on the second connecting arm 14, the output force of the coil spring assembly 2 directly acts on the second connecting arm 14, and an included angle between the motion directions of the coil spring assembly 2 and the second connecting arm 14 is more than 20 degrees, so that the lifting action torque of the coil spring assembly 2 plays a positive power assisting opening role at the initial opening angle of the cover body 200, and the power assisting effect is improved.

Optionally, the end of the first swing arm 11 close to the end of the vehicle body fixing plate 100 is provided with a first extension arm 111, the end of the second connecting arm 14 close to the end of the vehicle body fixing plate 100 is provided with a second extension arm 141, and two ends of the first connecting arm 12 are respectively hinged to the first extension arm 111 and the second extension arm 141, so that the first connecting arm 12 is prevented from interfering with the fixed hinge point x and the fixed hinge point y, and the use effect is prevented from being affected; as shown in fig. 2, preferably, the second extension arm 141 is perpendicular to the second connecting arm 14; the angle between the first extension arm 111 and the first swing arm 11 is more than 150 °.

Optionally, the front and rear cover hinges of the power-assisted automobile further comprise a limiting assembly, and the limiting assembly is used for limiting the swing angle of the connecting rod assembly, so that the limit limiting function of the front and rear cover hinges of the power-assisted automobile is realized when the cover body 200 is opened and closed.

With reference to fig. 1, in this embodiment, the limiting assembly includes an opening limiting block 31, the opening limiting block 31 is disposed on one side of the first swing arm 11, and when the first swing arm 11 drives the cover 200 to be in an opening state, the opening limiting block 31 abuts against the first swing arm 11; first swing arm 11 can not continue to rotate along fixed hinge point x, and spacing function when realizing the hinge and opening avoids the apron to continue upwards to move to the opening range of injecing the apron.

Optionally, the limiting assembly includes a closing limiting block 32, the closing limiting block 32 is disposed on the other side of the first swing arm 11, and when the first swing arm 11 drives the cover 200 to be in a closed state, the closing limiting block 32 abuts against the first swing arm 11; the second swing arm 13 can not continue to rotate along the fixed hinge point x, so that the function of limiting when the hinge is closed is realized, and the cover plate is prevented from continuing to move downwards so as to limit the opening range of the cover plate.

Specifically, the limiting assembly comprises two pins arranged on the vehicle body fixing plate 100 and two pins arranged on the motion track of the first swing arm 11, so that the first swing arm 11 swings in the range limited by the limiting assembly, and the limiting assembly is simple in structure and reliable in operation.

This embodiment still provides an automobile, including foretell helping hand formula car front and back lid hinge, prolonged long service life, and facilitate the use.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a lid hinge around helping hand formula car which installs between body attachment plate (100) and lid (200), its characterized in that, lid hinge around helping hand formula car includes:

the connecting rod assembly comprises a first swing arm (11) and a second swing arm (13) of which one ends are hinged to the cover body (200), the other end of the first swing arm (11) is hinged to the vehicle body fixing plate (100), the first swing arm (11) is hinged to a first connecting arm (12), the other end of the first connecting arm (12) is hinged to a second connecting arm (14), and the second connecting arm (14) is hinged to the other ends of the vehicle body fixing plate (100) and the second swing arm (13) respectively;

one end of the spiral spring assembly (2) is hinged to the vehicle body fixing plate (100), the other end of the spiral spring assembly is hinged to the connecting rod assembly, and the spiral spring assembly (2) drives the connecting rod assembly to drive the cover body (200) to swing on the vehicle body fixing plate (100).

2. The front and rear lid hinge of power-assisted vehicle according to claim 1, wherein the distance between the hinge points of the first swing arm (11) and the second swing arm (13) on the lid body (200) is L1, and the distance between the hinge point of the second connecting arm (14) and the second swing arm (13) and the hinge point of the first swing arm (11) on the body fixing plate (100) is L2, wherein L1< L2<2 × L1.

3. The front and rear cover hinge of power-assisted vehicle of claim 1, wherein the end of the first swing arm (11) near one end of the body fixing plate (100) is provided with a first extension arm (111), the end of the second connecting arm (14) near one end of the body fixing plate (100) is provided with a second extension arm (141), and two ends of the first connecting arm (12) are respectively hinged on the first extension arm (111) and the second extension arm (141).

4. The front and rear cover hinge of power-assisted vehicle according to claim 3, wherein the angle between the first extension arm (111) and the first swing arm (11) is 150 ° or more, and the first swing arm (11) is perpendicular to the second connecting arm (14).

5. The power-assisted automobile front and rear cover hinge according to claim 1, wherein the coil spring assembly (2) comprises:

a coil spring body (21);

the two connecting end heads (22) are respectively arranged at two ends of the spiral spring body (21), and the two connecting end heads (22) are respectively hinged with the connecting rod assembly and the vehicle body fixing plate (100);

the telescopic guide shaft penetrates through the spiral spring body (21) and is connected to the two connecting ends (22).

6. The front and rear lid hinge of power-assisted vehicle according to claim 5, wherein the coil spring body (21) is a compression spring.

7. The front and rear lid hinge of power-assisted vehicle according to claim 5, wherein the coil spring assembly (2) is hinged to the second connecting arm (14), and an included angle between the coil spring assembly (2) and the moving direction of the second connecting arm (14) is 20 ° or more.

8. The power-assisted vehicle front and rear cover hinge according to any one of claims 1 to 7, further comprising a limiting assembly for limiting a swing angle of the link assembly.

9. The front and rear cover hinge of power-assisted vehicle of claim 8, wherein the limiting assembly comprises an opening limiting block (31), the opening limiting block (31) is disposed on a side of the first swing arm (11) close to the second swing arm (13), and when the first swing arm (11) drives the cover (200) to be in an open state, the opening limiting block (31) can abut against the first swing arm (11); and/or

The limiting assembly comprises a closing limiting block (32), the closing limiting block (32) is arranged on one side, away from the second swing arm (13), of the first swing arm (11), the first swing arm (11) drives the cover body (200) to be in a closing state, and the closing limiting block (32) can be abutted to the first swing arm (11).

10. An automobile, comprising the power-assisted automobile front and rear cover hinge according to any one of claims 1 to 9.