CN218397892U - Back door hinge adjusting tool - Google Patents

Abstract

The embodiment of the utility model provides a back door hinge adjustment tool, this adjustment tool includes instrument head and instrument tail connected through the connecting rod, when the instrument head is adjusted the back door hinge, the first joint portion and the first promotion portion of instrument head contact with the first fulcrum position and the first promotion position of back door hinge respectively, the connecting rod promotes the back door to move to automobile body the place ahead to first direction motion; when the tool tail adjusts the back door hinge, the second clamping part and the second pushing part of the tool tail are respectively contacted with the second fulcrum position and the second pushing position of the back door hinge, the connecting rod moves towards the second direction to push the back door to move towards the rear of the vehicle body, and the first direction is opposite to the second direction. This back of body door hinge adjustment instrument structure and easy operation can realize the adjustment of the different gestures of back of the body door hinge through using different adjustment parts, have improved adjustment accuracy and efficiency.

Description

Back door hinge adjusting tool

Technical Field

The utility model relates to an automobile manufacturing technical field, concretely relates to back of body door hinge adjustment instrument.

Background

The automobile production line comprises a stamping production line, a welding production line, a coating production line and a final assembly production line. The assembly of the back door and the vehicle body is carried out through the back door hinge, and the assembly is carried out on a welding production line, and the delivery can be completed only by sequentially passing through a coating production line and a final assembly production line after the assembly is completed. The back door and the back door hinge are taken as an assembly, are assembled and positioned on the vehicle body together through the positioning tool, and then are tightened. Based on the accuracy level of the existing positioning tool and the consistency of parts of the automobile body, the assembly effect of the backdoor and the automobile body in a certain proportion can not meet the delivery standard.

When the backdoor hinge needs to be adjusted on a welding production line, the backdoor hinge can be adjusted only by matching two persons inside and outside the vehicle, and the backdoor hinge is high in cost and low in adjustment precision. When the backdoor hinge needs to be adjusted on a final assembly production line, related parts such as an automobile ceiling, a sealing strip and the like covering a backdoor hinge nut need to be removed, then adjustment is carried out according to an adjustment mode on a welding production line, all the removed parts are restored to a state before removal after adjustment is completed, adjustment is complex, efficiency is low, and parts are easy to damage in the processes of removal and installation.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a back of body door hinge adjustment instrument can be convenient for manual operation realizes the adjustment of back of body door hinge gesture to make the assembly between back of the body door and the automobile body reach the delivery standard.

An embodiment of the utility model provides a back of body door hinge adjustment instrument, adjustment instrument includes:

the tool head is provided with a first clamping part clamped with a first fulcrum position of the back door hinge and a first pushing part abutted against a first pushing position of the back door hinge;

the tool tail is provided with a second clamping part clamped with a second fulcrum position of the back door hinge and a second pushing part abutted against a second pushing position of the back door hinge;

a connecting rod connecting the tool head and the tool tail;

when the tool head adjusts the back door hinge, the connecting rod moves towards the first direction to push the back door to move towards the front of the vehicle body; when the tool tail adjusts the backdoor hinge, the connecting rod moves towards the second direction to push the backdoor to move towards the rear of the vehicle body, and the first direction is opposite to the second direction.

Further, the first pushing part is a top step structure which is formed by connecting the top surface of the tool head and the first side surface of the connecting rod and is provided with a top opening and a side opening;

first joint portion does the bottom surface of tool head with the trip structure that has bottom opening and side direction open-ended that the medial surface of tool head connects the formation, the medial surface of tool head is located one side of connecting rod and orientation are kept away from to the bottom surface of tool head the below of the bottom surface of tool head extends.

Further, the tool head includes:

one end of the top avoiding inclined plane is connected with the top surface of the tool head, and the other end of the top avoiding inclined plane extends downwards in an inclined manner towards one side back to the connecting rod;

one end of the first bottom avoidance inclined plane is connected with the bottom end of the inner side face of the tool head, and the other end of the first bottom avoidance inclined plane extends upwards in an inclined mode towards one side back to the connecting rod;

the outer side face of the tool head is connected with the top avoiding inclined face and the first bottom avoiding inclined face.

Further, the tool head further comprises an avoiding groove which is formed by upwards sinking the bottom surface of the part, close to the connecting rod, of the tool head.

Furthermore, the second clamping part is a top step structure which is formed by connecting the top surface of the tool tail and the second side surface of the connecting rod and is provided with a top opening and a side opening;

the second promotes the portion to do the bottom surface of instrument tail with the medial surface of instrument tail is connected the trip structure that has bottom opening and side direction open-ended that forms, the bottom surface of instrument tail with the bottom surface of connecting rod is connected, the medial surface of instrument tail is located keep away from the bottom surface of instrument tail one side of connecting rod and orientation are kept away from the below of the bottom surface of instrument tail extends.

Further, the tool tail comprises:

one end of the connecting wall is connected with the top surface of the tool tail, and the other end of the connecting wall extends below the top surface of the tool tail;

one end of the avoiding arc-shaped surface is connected with the bottom end of the connecting wall, and the other end of the avoiding arc-shaped surface extends towards one side back to the connecting rod;

one end of the second bottom avoidance inclined plane is connected with the bottom end of the inner side face of the tool tail, and the other end of the second bottom avoidance inclined plane extends upwards in an inclined mode towards one side back to the connecting rod;

the outer side face of the tool tail is connected with the avoidance arc-shaped face and the second bottom avoidance inclined face.

Further, a first angle is formed between the bottom surface of the tool tail and the bottom surface of the connecting rod, a second angle is formed between the bottom surface of the tool tail and the inner side surface of the tool tail, and the first angle and the second angle are obtuse angles.

Furthermore, a third angle is formed between the avoidance arc-shaped surface and the connecting wall, and the third angle is an obtuse angle.

Further, the connecting rod includes integrated into one piece's first connecting portion and second connecting portion, first connecting portion with the instrument head is connected, the second connecting portion with the instrument tail is connected, first connecting portion with form the fourth angle between the second connecting portion, the fourth angle is the obtuse angle.

Further, the tool head, the connecting rod and the tool tail are integrally formed.

The embodiment of the utility model provides a back door hinge adjustment tool, this adjustment tool includes instrument head and instrument tail connected through the connecting rod, when the instrument head is adjusted the back door hinge, the first joint portion and the first promotion portion of instrument head contact with the first fulcrum position and the first promotion position of back door hinge respectively, the connecting rod promotes the back door to move to automobile body the place ahead to first direction motion; when the instrument tail was adjusted back of the body door hinge, the second joint portion and the second of instrument tail promoted the portion and contact with the second fulcrum position and the second promotion position of back of the body door hinge respectively, and the connecting rod promotes back of the body door to the motion of second direction and removes to the automobile body rear, and first direction and second opposite direction. This back of body door hinge adjustment instrument structure and easy operation can realize the adjustment of the different gestures of back of the body door hinge through using different adjustment parts, have improved adjustment accuracy and efficiency.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the connection of a tailgate hinge to a tailgate;

fig. 2 is a schematic structural diagram of a back door hinge adjusting tool according to an embodiment of the present invention;

fig. 3 is an enlarged schematic view of a tool head according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of a tool tail according to an embodiment of the present invention;

fig. 5 is a schematic view of the tool head and the back door hinge according to the embodiment of the present invention;

fig. 6 is a schematic view of the adjustment tool and the back door hinge after the back door is opened according to the embodiment of the present invention;

fig. 7 is a schematic view of the tool bit and the back door hinge after the back door of the embodiment of the present invention is opened;

fig. 8 is a schematic view of the tool tail and the back door hinge after the back door is opened according to the embodiment of the present invention.

Description of the drawings reference numbers:

1-a tool head; 11-top avoidance slope; 12-a first bottom avoidance slope; 13-avoiding the groove; 2-a first clamping part; 3-a first pushing part; 4-tool tail; 41-avoiding arc-shaped surfaces; 42-a second bottom avoidance slope; 43-connecting walls; 5-a second clamping part; 6-a second pushing part; 7-a connecting rod; 71-a first connection; 72-a second connection; 73-a fourth angle; 8-a first angle; 9-a second angle; 10-a third angle; a-a first direction; b-a second direction; c-a back door hinge; c 1-a first hinge; c 2-a second hinge; c 3-a rotating shaft; d-a back door; e-vehicle body.

Detailed Description

The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, flows, components and circuits have not been described in detail so as not to obscure the present invention.

Furthermore, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout the description, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the field of automobiles, an automobile trunk door is also called a back door. The back door d is connected with the vehicle body e through the back door hinge c, so that the vehicle body e can be opened and closed. The back door hinge c includes a first hinge c1 and a second hinge c2, as shown in fig. 1. The first hinge c1 and the second hinge c2 are connected together through a rotating shaft c3, the first hinge c1 is fixedly connected with the backdoor d through a bolt, the second hinge c2 is fixedly connected with the vehicle body e through a hinge bolt and a hinge nut, and therefore the backdoor d can be rotatably connected with the vehicle body e through the backdoor hinge c.

The embodiment provides a back door hinge adjustment tool, can adjust the position or the gesture that changes back door hinge c to improve the matching effect of back door d and automobile body e, satisfy the outward appearance and deliver the requirement.

Specifically, the back door hinge adjusting tool comprises a tool head 1, a tool tail 4 and a connecting rod 7, wherein the connecting rod 7 is connected with the tool head 1 and the tool tail 4, as shown in fig. 2. The back door hinge adjusting tool can adjust the posture of the back door hinge c through the tool head 1, so that the back door d can move towards the front of the vehicle body e; or the posture of the back door hinge c is adjusted through the tool tail 4, so that the back door d is moved to the rear of the vehicle body e, and the relative position between the back door d and the vehicle body e is adjusted. This back of body door hinge adjustment instrument need not to loosen the hinge nut who is connected with automobile body e in the back of body door hinge c when adjusting back of the body door d, and very big convenient manual operation has improved adjustment accuracy and efficiency.

Wherein, the tool head 1 comprises a first clamping part 2 and a first pushing part 3, as shown in fig. 3. When the tool head 1 is used for adjusting the back door hinge c, the first clamping portion 2 is clamped with the first fulcrum position of the back door hinge c, and the first pushing portion 3 is abutted with the first pushing position of the back door hinge c, as shown in fig. 7. When the door pushing device works, upward pushing force is applied to the connecting rod 7, the connecting rod 7 moves towards the first direction a, the first fulcrum position of the back door hinge c is a fulcrum, the first pushing portion 3 applies pushing force to the first pushing position of the back door hinge c, the rotating shaft c3 of the back door hinge c moves towards the front of the vehicle body e, and therefore the back door d moves towards the front of the vehicle body e. Wherein the first direction a is counterclockwise rotation.

The tool tail 4 includes a second catching portion 5 and a second pushing portion 6, as shown in fig. 4. When the tool tail 4 adjusts the back door hinge c, the second clamping portion 5 is clamped with the second fulcrum position of the back door hinge c, and the second pushing portion 6 is abutted against the second pushing position of the back door hinge c, as shown in fig. 8. During operation, a downward thrust is applied to the connecting rod 7, the connecting rod 7 moves towards the second direction b, the second fulcrum position of the back door hinge c is a fulcrum, and the second pushing portion 6 applies the thrust to the second pushing position of the back door hinge c, so that the rotating shaft c3 of the back door hinge c moves towards the rear of the vehicle body e, and the back door d moves towards the rear of the vehicle body e. Wherein the second direction b is clockwise rotation. That is, when the tool head 1 and the tool tail 4 apply force to the back door hinge C respectively to adjust, the directions of the external forces applied to the connecting rod 7 are opposite, so that the rotating shaft C3 of the back door hinge C moves in opposite directions, and the back door d moves forward or backward of the vehicle body e.

In the present embodiment, the first fulcrum position and the second fulcrum position of the back door hinge c refer to positions on both sides of the second hinge c2 in the width direction, respectively. The first pushing position and the second pushing position of the back door hinge c refer to positions on both sides of the first hinge c1 in the width direction, respectively. Specifically, the first fulcrum position of the back door hinge c is a position closer to the upper side of the vehicle body e when the second hinge c2 is connected to the vehicle body e, i.e., a position to the left in the width direction of the second hinge c2 in fig. 7. The second fulcrum point of the back door hinge c is a position closer to the lower side of the vehicle body e when the second hinge c2 is connected to the vehicle body e, i.e., a position on the right side in the width direction of the second hinge c2 in fig. 8. The first push position of the back door hinge c is a position close to the lower side of the back door d when the first hinge c1 is connected to the back door d, i.e., a position on the right side in the width direction of the first hinge c1 in fig. 7. The second pushed position of the back door hinge c is a position near the upper side of the back door d when the first hinge c1 is connected to the back door d, i.e., a position to the left in the width direction of the first hinge c1 in fig. 8.

Specifically, the first pushing part 3 is a top step structure having a top opening and a side opening, which is formed by connecting the top surface of the tool bit 1 and the first side surface of the connecting rod 7, as shown in fig. 3. The first clamping portion 2 is a clamping hook structure which is formed by connecting the bottom surface of the tool head 1 and the inner side surface of the tool head 1 and is provided with a bottom opening and a side opening, as shown in fig. 3. The inner side surface of the tool head 1 is located on a side of the bottom surface of the tool head 1 away from the connecting rod 7 and extends towards the lower part of the bottom surface of the tool head 1, as shown in fig. 3. With the above structure, the first pushing portion 3 and the first clamping portion 2 are respectively the upper right corner and the lower left corner of the tool head 1.

When the tool head 1 adjusts the back door hinge c, the tool head 1 is inserted between the first hinge c1 and the second hinge c2, then the connecting rod 7 moves upwards, the tool head 1 moves downwards until the first clamping portion 2 is clamped with the first fulcrum position (that is, the bottom surface of the tool head 1 is attached to the top surface of the second hinge c2, and the inner side surface of the tool head 1 is attached to the left side surface of the second hinge c 2), and the first pushing portion 3 is abutted with the first pushing position of the back door hinge c (that is, the top surface of the tool head 1 is attached to the bottom surface of the first hinge c1, and the first side surface of the connecting rod 7 is attached to the right side surface of the first hinge c 1), as shown in fig. 7; the connecting rod 7 continues to move upwards, the tool head 1 takes the first fulcrum position as a fulcrum to do lever motion, the first pushing portion 3 pushes the first hinge c1 to drive the back door d connected with the first hinge c1 to move leftwards (move forwards of the vehicle body), and therefore position adjustment between the back door d and the vehicle body e is achieved. Meanwhile, the metal plate of the peripheral area connected with the second hinge c2 on the vehicle body is subjected to plastic deformation, so that the posture of the back door hinge can be further adjusted, and the back door can be matched to reach the delivery standard.

Further, the tool head 1 further includes a top avoidance inclined surface 11, a first bottom avoidance inclined surface 12, and an avoidance groove 13, as shown in fig. 3. One end of the top avoiding inclined surface 11 is connected with the top surface of the tool head 1, and the other end of the top avoiding inclined surface 11 extends downwards in an inclined manner towards one side back to the connecting rod 7, as shown in fig. 3. The top escape slope 11 is used to reduce the thickness of the tool bit 1 as a whole, so that the tool bit 1 can be inserted into the middle of the back door hinge c for use. Meanwhile, in the adjusting and using process of the tool head 1, the top avoiding inclined surface 11 can also be used for avoiding collision with a backdoor or other structures of a vehicle body.

One end of the first bottom avoiding inclined surface 12 is connected with the bottom end of the inner side surface of the tool head 1, and the other end of the first bottom avoiding inclined surface 12 extends upwards in an inclined manner towards one side back to the connecting rod 7, as shown in fig. 3. The outer side surface of the tool head 1 is connected with the top avoidance inclined surface 11 and the first bottom avoidance inclined surface 12. The first bottom avoidance inclined surface 12 and the top avoidance inclined surface 11 enable the front end of the tool bit 1 to form a bullet-shaped guide structure, so that the tool bit 1 can be conveniently adjusted and used after being inserted into the middle of the back door hinge c. Meanwhile, the first bottom avoiding inclined surface 12 can also avoid interference with other positions of the vehicle body after being inserted into the middle of the back door hinge c. The escape groove 13 is formed by a portion of the bottom surface of the tool bit 1 adjacent to the connecting rod 7 being recessed upward, as shown in fig. 3. The avoiding groove 13 is used for providing an avoiding space for structures such as a bolt head or a bolt head on the second hinge c2 and preventing interference.

In other alternatives, the top avoidance inclined surface 11 and the first bottom avoidance inclined surface 12 may also be replaced by an inclined arc surface or the like. The escape groove 13 may be replaced with a slope or a curved structure.

Specifically, the second clamping portion 5 is a top step structure with a top opening and a side opening, which is formed by connecting the top surface of the tool tail 4 and the second side surface of the connecting rod 7, as shown in fig. 4. The first side surface of the connecting rod 7 and the second side surface of the connecting rod 7 are oppositely arranged. The second pushing portion 6 is a hook structure formed by connecting the bottom surface of the tool tail 4 and the inner side surface of the tool tail 4 and having a bottom opening and a side opening, as shown in fig. 4. The bottom surface of instrument tail 4 with the bottom surface of connecting rod 7 is connected, the medial surface of instrument tail 4 is located the bottom surface of instrument tail 4 is kept away from one side of connecting rod 7 and towards keeping away from the below extension of the bottom surface of instrument tail 4, as shown in fig. 4. According to the structure, the second clamping part 5 and the second pushing part 6 are respectively the upper left corner and the lower right corner of the tool tail 4.

When the tool tail 4 adjusts the back door hinge c, the tool tail 4 is inserted between the first hinge c1 and the second hinge c2 in a manner of turning the upper and lower positions, then the connecting rod 7 moves downwards, and the tool tail 4 moves upwards until the second clamping portion 5 is clamped with the second fulcrum position (namely, the second side surface of the connecting rod 7 is attached to the right side surface of the second hinge c2, and the top surface of the tool tail 4 is attached to the top surface of the second hinge c 2), and the second pushing portion 6 is abutted with the second pushing position of the back door hinge c (namely, the inner side surface of the tool tail 4 is attached to the left side surface of the first hinge c 1), as shown in fig. 8; the connecting rod 7 continues to move upwards, the tool tail 4 takes the second fulcrum position as a fulcrum to do lever motion, and the second pushing portion 6 pushes the first hinge c1 to drive the back door d connected with the first hinge c1 to move rightwards (move towards the rear of the vehicle body), so that the position between the back door d and the vehicle body e is adjusted. Meanwhile, the metal plate of the peripheral area connected with the second hinge c2 on the vehicle body is subjected to plastic deformation, so that the posture of the back door hinge can be further adjusted, and the back door can be matched to reach the delivery standard.

Further, the tool tail 4 further includes an avoidance arc surface 41, a connecting wall 43 and a second bottom avoidance slope 42, as shown in fig. 4. Wherein, connecting wall 43 one end with the top surface of instrument tail 4 is connected, and the other end to the top surface below of instrument tail 4 extends, and the one end of dodging arcwall 41 is connected with the bottom of connecting wall 43, the other end of dodging arcwall 41 extends towards the one side of keeping away from connecting rod 7, as shown in fig. 4. The connecting wall 43 and the avoiding arc-shaped surface 41 are arranged to reduce the thickness of the whole tool tail 4, so that the tool tail 4 can be inserted into the middle of the back door hinge c for use. Meanwhile, in the process of adjusting and using the tool tail 4, the connecting wall 43 and the avoiding arc-shaped surface 41 can also provide an avoiding space for structures such as a bolt head or a bolt head on the second hinge c2, so that interference is prevented.

The inner side surface of the tool tail 4 extends downwards from one end, away from the connecting rod 7, of the bottom surface of the tool tail 4. One end of the second bottom avoiding inclined surface 42 is connected with the bottom end of the inner side surface of the tool tail 4, and the other end of the second bottom avoiding inclined surface 42 extends upwards in an inclined manner towards one side back to the connecting rod 7, as shown in fig. 4. The outer side surface of the tool tail 4 is connected with the avoidance arc-shaped surface 41 and the second bottom avoidance inclined surface 42. The second bottom escape slope 42 can avoid interference with the back door or other positions of the vehicle body after being inserted into the middle of the back door hinge c.

Further, a first angle 8 is formed between the bottom surface of the tool tail 4 and the bottom surface of the connecting rod 7, a second angle 9 is formed between the bottom surface of the tool tail 4 and the inner side surface of the tool tail 4, and the first angle 8 and the second angle 9 are obtuse angles. A third angle 10 is formed between the avoidance arc-shaped surface 41 and the connecting wall 43, and the third angle 10 is an obtuse angle. The arrangement of the angle enables the adjustment of the back door hinge to be satisfied, and meanwhile, the interference with the structure of the automobile body or the back door can be further avoided.

In this embodiment, the connecting rod 7 includes a first connecting portion 71 and a second connecting portion 72 that are integrally formed, the first connecting portion 71 is connected to the tool head 1, and the second connecting portion 72 is connected to the tool tail 4, as shown in fig. 2. A fourth angle 73 is formed between the first connecting portion 71 and the second connecting portion 72, and the fourth angle 73 is an obtuse angle, which can meet the requirements of the tool head 1 and the tool tail 4 for respective use. Preferably, the tool head 1, the connecting rod 7 and the tool tail 4 are integrally formed, so that the strength and the service life of the adjusting tool can be improved.

Before the adjustment of the back door hinge c is started, the adjustment tool of the embodiment needs to determine whether the back door d needs to be adjusted to the front of the vehicle body e (operating mode 1) or to the rear of the vehicle body e (operating mode 2). Working condition 1 (condition of back door adjusting to front of vehicle body): firstly, opening a back door d, placing a tool head 1 of an adjusting tool in the middle of a back door hinge c, and aligning a first fulcrum position and a first pushing position; then the connecting rod 7 is pushed upwards to enable the metal plate of the vehicle body to generate plastic deformation, and the backdoor moves towards the front of the vehicle body; and finally, taking out the adjusting tool, closing the backdoor, and checking whether the matching area of the backdoor and the vehicle body is qualified. Working condition 2 (condition of back door to rear of vehicle body adjustment): firstly, opening the back door d, placing the tool tail 4 of the adjusting tool in the middle of the back door hinge c, and aligning the second fulcrum position and the second pushing position; then the connecting rod 7 is pushed downwards, so that the metal plate of the vehicle body is plastically deformed, and the backdoor moves towards the rear of the vehicle body; and finally, taking out the adjusting tool, closing the backdoor, and checking whether the matching area of the backdoor and the vehicle body is qualified.

The back door hinge adjusting tool of this embodiment can be convenient for manual operation to solve current adjustment mode and need dismantle back door hinge nut, need many sets of frocks, adjustment accuracy is not enough, at assembly production line adjustment difficulty scheduling problem. The adjusting tool can realize the adjustment of the posture of the back door hinge by utilizing the plastic deformation of the metal plate on the side of the back door hinge vehicle body on the premise of not loosening the hinge nut, so that the back door can be matched to reach the delivery standard.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A back door hinge adjustment tool, the adjustment tool comprising:

the tool head (1) is provided with a first clamping part (2) clamped with a first fulcrum position of a back door hinge (c) and a first pushing part (3) abutted against a first pushing position of the back door hinge (c);

the tool tail (4) is provided with a second clamping part (5) clamped with a second fulcrum position of the back door hinge (c) and a second pushing part (6) abutted against a second pushing position of the back door hinge (c);

a connecting rod (7) connecting the tool head (1) and the tool tail (4);

when the tool head (1) adjusts the back door hinge (c), the connecting rod (7) moves towards the first direction (a) to push the back door (d) to move towards the front of the vehicle body (e); when the tool tail (4) adjusts the back door hinge (c), the connecting rod (7) moves towards the second direction (b) to push the back door (d) to move towards the rear of the vehicle body (e), and the first direction (a) is opposite to the second direction (b).

2. The adjustment tool according to claim 1, characterized in that the first pushing part (3) is a top step structure with a top opening and a side opening formed by connecting the top surface of the tool head (1) and the first side surface of the connecting rod (7);

first joint portion (2) do the bottom surface of instrument head (1) with the trip structure that has bottom opening and side direction open-ended that the medial surface of instrument head (1) is connected the formation, the medial surface of instrument head (1) is located the bottom surface of instrument head (1) is kept away from one side of connecting rod (7) and is faced the below of the bottom surface of instrument head (1) is extended.

3. Adjustment tool according to claim 2, characterized in that the tool head (1) comprises:

the tool head comprises a top avoiding inclined plane (11), one end of the top avoiding inclined plane (11) is connected with the top surface of the tool head (1), and the other end of the top avoiding inclined plane (11) extends downwards in an inclined mode towards one side back to the connecting rod (7);

a first bottom avoidance inclined plane (12), wherein one end of the first bottom avoidance inclined plane (12) is connected with the bottom end of the inner side surface of the tool head (1), and the other end of the first bottom avoidance inclined plane (12) extends upwards in an inclined manner towards one side back to the connecting rod (7);

the outer side surface of the tool head (1) is connected with the top avoidance inclined surface (11) and the first bottom avoidance inclined surface (12).

4. The adjustment tool according to claim 3, characterized in that the tool head (1) further comprises an escape groove (13) formed by an upwardly recessed bottom surface of a portion of the tool head (1) adjacent to the connecting rod (7).

5. The adjusting tool according to claim 1, wherein the second clamping portion (5) is a top step structure with a top opening and a side opening formed by connecting the top surface of the tool tail (4) and the second side surface of the connecting rod (7);

the utility model discloses a tool tail, including instrument tail (4), second promotion portion (6), the medial surface of instrument tail (4) is connected the bottom surface of formation and is had bottom opening and side direction open-ended trip structure, the bottom surface of instrument tail (4) with the bottom surface of connecting rod (7) is connected, the medial surface of instrument tail (4) is located the bottom surface of instrument tail (4) is kept away from one side of connecting rod (7) and orientation are kept away from the below of the bottom surface of instrument tail (4) extends.

6. Adjustment tool according to claim 5, characterized in that the tool tail (4) comprises:

a connecting wall (43) having one end connected to the top surface of the tool tail (4) and the other end extending below the top surface of the tool tail (4);

one end of the avoiding arc-shaped surface (41) is connected with the bottom end of the connecting wall (43), and the other end of the avoiding arc-shaped surface (41) extends towards one side back to the connecting rod (7);

a second bottom avoidance inclined plane (42), wherein one end of the second bottom avoidance inclined plane (42) is connected with the bottom end of the inner side surface of the tool tail (4), and the other end of the second bottom avoidance inclined plane (42) extends upwards in an inclined manner towards one side back to the connecting rod (7);

the outer side face of the tool tail (4) is connected with the avoidance arc-shaped face (41) and the second bottom avoidance inclined face (42).

7. The adjustment tool according to claim 5, characterized in that a first angle (8) is formed between the bottom surface of the tool tail (4) and the bottom surface of the connecting rod (7), a second angle (9) is formed between the bottom surface of the tool tail (4) and the inner side surface of the tool tail (4), and the first angle (8) and the second angle (9) are obtuse angles.

8. The adjustment tool according to claim 6, characterized in that a third angle (10) is formed between the avoidance curve (41) and the connection wall (43), the third angle (10) being an obtuse angle.

9. The adjustment tool according to claim 1, characterized in that the connection rod (7) comprises a first connection portion (71) and a second connection portion (72) which are integrally formed, the first connection portion (71) is connected with the tool head (1), the second connection portion (72) is connected with the tool tail (4), a fourth angle (73) is formed between the first connection portion (71) and the second connection portion (72), and the fourth angle (73) is an obtuse angle.

10. Adjustment tool according to claim 1, characterized in that the tool head (1), the connecting rod (7) and the tool tail (4) are integrally formed.

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