An adjustment tool assembly

Abstract

The present invention relates to an adjustment tool assembly, comprising: a main adjustment tool; and a pair of clamps. The main adjustment tool comprises: a base plate; at least two positioning columns; two arms parallel to each other, defining a gap between them; and a push mechanism fixed to the base plate, which has a first position not abutting against a rear cover and a second position abutting against the rear cover. Each of the clamps comprises: a C-shaped frame; and a screw, which is threadedly engaged and passes through a threaded hole in the first crossbeam, a handle is provided at the first end of the screw, and an abutment is provided at the other end, and the abutment can be moved closer to or away from the second crossbeam by rotating the screw by the handle. The adjustment tool assembly of the present invention is not limited by the use space in the vehicle, is easy and flexible to use, and has a simple structure and installation.

Description

Technical Field

[0001] The invention relates to an adjusting tool assembly, in particular to an adjusting tool assembly for adjusting the left-right and front-back positions of a vehicle lock body on a rear cover of a vehicle. Background Art

[0002] The body of the lock used for the rear cover of the car, such as the central lock body, can be fixed on the plane on the inner side of the rear tail plate by fastening screws, and is used to cooperate with the lock buckle on the rear cover to lock the rear cover of the car. The positioning of the central lock body on the inner side of the rear tail plate determines whether the lock hook can accurately cooperate with the lock buckle on the rear cover, and whether the height difference (called the height difference) between the rear cover and the side outer panel after the rear cover is closed is within the specified tolerance range. If the central lock body and the lock buckle on the rear cover cannot be accurately matched in the left and right directions, it will cause problems such as abnormal noise and jamming. If the central lock body cannot be accurately positioned in the front and back directions, the rear cover will not be on the same plane as the side outer panel after closing, and will be higher than the side outer panel, causing problems such as poor sealing and unsightly appearance of the rear cover. Therefore, it is necessary to adjust the left and right and front and back positions of the central lock body on the inner side of the rear tail plate.

[0003] Before adjustment, loosen the fastening screws so that the central lock body can be adjusted along the plane on the inner side of the rear tail plate as shown in the present application. Figure 5 The adjustment along the left-right direction enables the central lock body to be aligned with the lock catch fixed on the rear cover of the car; the adjustment along the front-back direction enables the rear cover of the car to be flush with the surface of the side outer panel of the car after closing, that is, the height difference between the outer surface of the rear cover of the car and the side outer panel is kept within the specified tolerance range.

[0004] As known to those skilled in the art, the rear cover usually rotates at its root around a pivot provided on the vehicle body, and is elastically lifted by an air spring and / or an electric device without external force, and the rear cover can only rotate downward around the pivot or close under the action of external force. In addition, elastic seals are provided at the edge of the rear cover and the edge of the matching rear cover frame, and after the rear cover is closed, the elastic seals that cooperate with each other apply elastic force in the direction that causes the rear cover to pivot upward and open. Summary of the invention

[0005] The object of the present invention is to solve the above technical problems and provide an adjustment tool assembly, which can adjust the position of the rear cover lock body of the automobile on the inner surface of the rear tail plate so that the rear cover lock hook can be accurately aligned with the lock buckle on the rear cover, and the gap between the rear cover and the side outer panel after the rear cover is closed is kept within an allowable range.

[0006] Another object of the present invention is to provide an adjustment tool assembly which has low requirements on the working environment and is suitable for use on and off the automobile production line.

[0007] Another object of the present invention is to provide an adjustment tool assembly which has a simple structure and is easy to use.

[0008] The present invention provides an adjustment tool assembly for adjusting the left-right and front-back positions of a vehicle lock body on the inner side of a rear tail plate of a vehicle, characterized in that the adjustment tool assembly comprises: a main adjustment tool, which is fixedly mounted on the vehicle lock body on the inner side of the rear tail plate; and a pair of clamps, wherein the main adjustment tool comprises: a base plate; at least two positioning posts extending from the bottom surface of the base plate; two arms extending from the side surfaces of the base plate and parallel to each other, defining a gap between them, the width of the gap being suitable for accommodating a lock buckle on a rear cover of a vehicle; and a push mechanism fixed to the base plate, the push mechanism having a first position and a second position, in the first position In the center, the pushing mechanism is spaced apart from the inner surface of the rear cover of the automobile; in the second position, the pushing mechanism abuts against the inner surface of the rear cover of the automobile, and the pushing mechanism can be locked in the second position, each of the clamps comprises: a C-shaped frame, which is formed by a first cross beam, a longitudinal beam, and a second cross beam, the first cross beam comprises a threaded hole, the second cross beam is provided with a locating pin; and a screw rod, which is threadedly engaged and passes through the threaded hole in the first cross beam, a handle is provided at the first end of the screw rod, and an abutment is provided at the other end, and the abutment can be moved closer to or away from the second cross beam by rotating the screw rod by the handle.

[0009] Preferably, the push mechanism comprises: a base fixed on the base plate, the front of the base defining a hole; a first rod, one end of which is hinged to the base at a first hinge point, and the other end of which comprises a handle; a second rod, the first end of which is hinged to the first rod at a second hinge point at an intermediate position between the two ends of the first rod; and a third rod, one end of which is hinged to the second end of the second rod at a third hinge point, the other end of the third rod passes through the hole of the base, and comprises a push piece at its end, in the first position, the handle is away from the third hinge point, and the push piece is spaced from the inner surface of the rear cover of the car; in the second position, the handle is close to the third hinge point, the first, second and third hinge points are substantially collinear, and the second hinge point is located between the first and third hinge points, and the push piece abuts against the inner surface of the rear cover of the car. When the first, second and third hinge points are substantially collinear and the second hinge point is located between the first and third hinge points, the first, second and third rods are locked, so that the push mechanism can be locked in the second position.

[0010] Preferably, when the pushing mechanism is in the second position, the second hinge point is slightly lower than a line connecting the first and third hinge points, so as to further lock the pushing mechanism in the second position.

[0011] Preferably, the first rod is provided with a protrusion near the second hinge point, and in the second position the protrusion abuts against a step portion of the base, thereby defining an extreme position of the handle and thus the second hinge point.

[0012] Preferably, the first rod and the second rod are respectively formed by two branches.

[0013] Preferably, a nut and a screw are provided at the free end of the third rod, and the screw is inserted into a threaded hole provided in the free end of the third rod, so as to adjust the length of the third rod extending relative to the base.

[0014] Preferably, the pushing member is made of an elastomeric material.

[0015] Preferably, the two positioning posts are located on a diagonal line of the substrate.

[0016] Preferably, the abutment member is made of an elastomeric material.

[0017] Preferably, the two arms are formed from an integral plate member.

[0018] Preferably, the plate component is accommodated in the groove of the substrate, and the thickness of the plate component is less than or equal to the depth of the groove, so the bottom surface of the plate component will not protrude from the basic bottom surface, which is conducive to the fit between the bottom surface of the substrate and the upper surface of the rear cover lock body.

[0019] Preferably, the two arms include rounded corners on both sides of the gap to facilitate the latch of the rear cover of the car to enter the gap.

[0020] The adjustment tool assembly of the present invention has the following advantages: the split structure of the main adjustment tool and the C-shaped clamp is adopted, which is not limited by the use space in the vehicle, is convenient and flexible to use; has a simple structure, low manufacturing cost and is easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 shows a perspective view of a primary adjustment tool according to the present invention from one side, with the handle in a first position;

[0022] Figure 2 A side perspective view showing the main adjustment tool according to the present invention mounted on the rear cover lock body, wherein the handle is in the second position;

[0023] Figure 3 shows a top view of a primary adjustment tool according to the present invention, wherein the handle is in a first position;

[0024] Figure 4 shows a bottom view of a primary adjustment tool according to the present invention, wherein the handle is in a first position;

[0025] Figure 5 A view showing the main adjustment tool according to the present invention being installed on the rear lid lock body on the inner side of the rear tailgate of a car during the adjustment process;

[0026] Figure 6 is a pair of C-shaped clips according to the present invention;

[0027] Figure 7 is a schematic diagram of the C-clip when installed on the side inner panel and rear cover of the vehicle during adjustment, as viewed from outside the vehicle; and

[0028] Figure 8 It is a schematic diagram viewed from inside the vehicle when the C-clip is installed on the side inner panel and the rear cover of the vehicle during adjustment. DETAILED DESCRIPTION

[0029] The adjustment tool assembly of the present application comprises: a main adjustment tool 1, and a pair of C-shaped clips 2, 2'. The main adjustment tool 1 is fixedly mounted on a rear cover lock body 4 on the inner side of a rear tailgate 3 of a car ( Figure 8 ), thereby driving the rear cover lock body 4 to move in the up-down and left-right directions. The C-shaped clips 2, 2' are used to clamp the side inner panel 3' and the rear cover 5 of the car together, and then the closing degree of the rear cover 5 of the car is adjusted by the C-shaped clips 2, 2'.

[0030] See first Figure 1-4 , the main adjustment tool 1 is described in detail. The main adjustment tool 1 comprises: a base plate 6, which is, for example, a rectangular shape as shown in the figure, and has a certain thickness, or can be other shapes; at least two positioning posts 7, 7' extending from the bottom surface of the base plate 6, the positioning posts 7, 7' and the base plate 6 are formed as a whole, or are fixed to the base plate 6 by, for example, a bolt and nut combination 20, 20', as shown in FIG. Figure 3 As shown, the two positioning posts 7, 7' can be respectively located near the two ends of the diagonal of the base plate 6, and are used to align and cooperate with the two holes of the rear cover lock body on the inside of the rear tail plate, which will be described below; two arms 8, 8' extending from the side of the base plate 6 and parallel to each other define a gap 9 between them, and the width of the gap 9 is slightly wider than the width of the lock buckle on the rear cover of the car, which will be described in detail below; and a pushing mechanism 10 fixed to the base plate 6, which has a first position and a second position. In the first position, the pushing mechanism 10 does not abut against the inner surface of the rear cover of the car, and in the second position, the pushing mechanism 10 abuts against the inner surface of the rear cover of the car and is locked in this position, which will be described in detail below.

[0031] Preferably, the two arms 8 , 8 ′ have chamfers 39 , 39 ′ at both sides of the gap 9 , respectively, so as to facilitate the latch on the rear cover of the vehicle to enter the gap 9 .

[0032] Preferably, see Figure 4The two arms 8, 8' are formed by an integral plate member 24 and fixed to a groove 40 formed on the base plate 6 by screws or bolts 25, 25', 37, 37'. The groove 40 is used to accommodate the plate member 24, and the depth of the groove 40 is greater than or equal to the thickness of the plate member 24, so that the bottom surface of the plate member 24 does not protrude from the bottom surface of the base plate 6. Preferably, the base plate 6 can be coated with an anti-rust material to prevent rust.

[0033] The pushing mechanism 10 includes: a base 11, which is fixed on the base plate 6, and the front portion of the base 11 defines a hole 12; a first rod 13, one end of which is hinged to the base 11 at a first hinge point 21, and the other end of which includes a handle 16; a second rod 14, a first end of which is hinged to the first rod 13 at a second hinge point 22 at an intermediate position between the two ends of the first rod 13; a third rod 15, one end of which is hinged to the second end of the second rod 14 at a third hinge point 23, the other end of the third rod 15 passes through the hole 12 of the base 11, and includes a pushing member 17 at its end, and the pushing member is preferably made of an elastomeric material, such as rubber. Preferably, as Figure 3 As shown, the first rod 13 and the second rod 14 can be formed by two left and right branches 13', 13", 14', 14", respectively. Preferably, the length of the push member 17 extending relative to the base plate 6 can be adjusted. For example, a nut 18 and a screw 19 are provided at the free end of the third rod 15. The screw 19 is inserted into a threaded hole provided in the free end of the third rod 15. The nut 18 can be loosened to adjust the length of the screw 19 extending from the third rod 15 by rotating the screw 19, thereby adjusting the length of the push member 17 extending relative to the base plate 6. After adjusting to the required length, the nut 18 is tightened to lock the length.

[0034] Preferably, Figure 3 In the illustrated embodiment, screws or bolts 37 , 37 ′ pass through the base plate 6 and the plate member 24 to fix the base 11 , the base plate 6 and the plate member 24 together.

[0035] Figure 1 The pushing mechanism 10 is shown to be in a first position, wherein the handle 16 is located on the right side in the figure, and the pushing member 17 is in a retracted position relative to the base plate 6 .

[0036] Figure 2 The push mechanism 10 is shown in the second position, wherein the handle 16 is pushed to the left in the figure, the push member 17 is in a position extending relative to the base plate 6, the first, second and third hinge points 21, 22 and 23 are substantially collinear, and the second hinge point 22 is located between the first and third hinge points 21 and 23. Preferably, the second hinge point 22 is as shown in FIG. Figure 2The handle 16 is slightly lower than the line between the first and third hinge points 21 and 23, so that the handle 16 can be self-locked, that is, the handle 16 is not easy to be separated without external force. Figure 2 Preferably, the first rod 13 has a protrusion 41 near the second hinge point 22. Figure 2 In the second position shown, the protrusion 41 abuts against the step 42 of the base 11 , thereby defining the limit positions of the handle 16 , and thus defining the limit positions of the first, second and third rods 13 , 14 , 15 .

[0037] The push mechanism may have other structures, or adopt an existing mechanism, as long as it has at least two positions of extension and retraction, and can be locked in the extended position.

[0038] Figure 5 The top view of the main adjustment tool 1 during adjustment is shown, in which the main adjustment tool 1 is installed on the rear cover lock body 4 on the inner side of the rear tailgate 3 of the automobile. Figure 5 is blocked by the main adjustment tool 1. Figure 5 The upward direction is the forward direction of the vehicle. As known to those skilled in the art, the rear cover lock body can be fixed on the plane 26 on the inner side of the rear tail plate 3 by means of fastening screws 43, 43', and is generally rectangular in shape and includes two holes located on the diagonal line. Before using the adjustment tool assembly according to the present application to adjust the position of the rear cover lock body, by loosening the fastening screws 43, 43', the rear cover lock body can be moved on the plane 26 along the direction shown in FIG. Figure 5 The positions of the positioning posts 7 and 7' of the main adjustment tool 1 of the present application correspond to the two holes of the rear cover lock body. When the main adjustment tool 1 is placed on the rear cover lock body, the positioning posts 7 and 7' are inserted into the holes of the rear cover lock body. Figure 2 As shown, the movement of the main adjustment tool 1 in the up-down and left-right directions will drive the rear cover lock body to move integrally. When the rear cover of the car is closed, the handle 16 is moved to make the push mechanism 10 in the second position, in which the push member 17 abuts against the plane 27 of the rear cover of the car, which will be described in detail below.

[0039] Reference Figure 6-8 The C-shaped clips 2 and 2' are described in detail below. Figure 6, a pair of C-shaped clips 2, 2' are shown. Taking one of the C-shaped clips 2 as an example, the C-shaped clip 2 includes a substantially C-shaped frame formed by a first crossbeam 28, a longitudinal beam 29, and a second crossbeam 30. The first and second crossbeams 28, 30 are connected to the longitudinal beam 29, for example, by screws 38. The lengths of the first crossbeam 28, the longitudinal beam 29, and the second crossbeam 30 can be set according to actual needs. A screw 31 is threadedly engaged and passes through a threaded hole 35 in the first crossbeam 28. A handle 32 is provided at the first end of the screw 31, and a stopper 33 is provided at the other end. The stopper 33 is preferably made of an elastomeric material, such as rubber. By rotating the screw 31 by the handle 32, the stopper 33 can be moved closer to or away from the second crossbeam 30. The second crossbeam 30 is provided with a positioning pin 34, for example, at a position close to the free end, for cooperating with a process hole of the inner panel 3' of the vehicle side wall, which will be described below. Figure 6 Another C-shaped clamp 2' shown in the figure has the same structure as the C-shaped clamp 2, and the names of the components are represented by the same reference numerals with a prime.

[0040] See also Figure 7 and 8 , respectively showing schematic diagrams of the pair of C-shaped clips 2, 2' being clamped on the side inner panel 3' and the rear cover 5 of the automobile when the adjustment tool assembly of the present application is used to adjust the position of the rear cover lock body, Figure 7 This is a diagram from outside the car. Figure 8 When installing the C-shaped clamp, firstly, the first crossbeam 28 and the threaded rod 31 are passed through the lamp hole 36 for installing the tail lamp of the car inside the car, and the openings of the C-shaped clamps 2 and 2' are directed toward the door side of the car, that is, Figure 7 As shown in FIG, the opening of the left C-clip 2' faces the left, and the opening of the right C-clip 2 faces the right. Figure 8 After the first crossbeam 28 and the threaded rod 31 extend through the lamp hole 36 to the outside of the vehicle, the second crossbeam 30 remains inside the vehicle, and the positioning pin 34 near its free end is inserted into the process hole 3' on the side inner panel ( Figure 8 The rear cover is blocked by the second cross beam 30, which is helpful for positioning the C-shaped clips 2, 2'. Then, the handle 32 is rotated outside the vehicle so that the abutment member 33 gradually approaches and abuts against the outer surface of the rear cover, and the handle 32 is continued to be rotated to adjust the position of the rear cover lock body 4, which will be described in detail below.

[0041] The following reference Figure 5 , 7 8 describes in detail how to use the adjustment tool assembly of the present application to adjust the position of the rear cover lock body 4 on the plane 26 on the inner side of the rear tail plate 3.

[0042] As described above, by loosening the fixing screws 43, 43', the rear cover lock body 4 can be adjusted in the left-right direction and the front-back direction on the plane 26 on the inner side of the rear tail plate 3 of the automobile. The adjustment along the left-right direction allows the rear cover lock body 4 to be aligned with the lock buckle on the rear cover 5 of the automobile. The adjustment along the front-back direction allows the rear cover 5 of the automobile to be flush with the surface of the inner panel 3' of the side panel of the automobile after closing, that is, the height difference between the outer surface of the rear cover 5 of the automobile and the outer panel of the side panel is kept within the specified tolerance range.

[0043] First, the main adjustment tool 1 is placed on the rear cover lock body 4, so that the positioning columns 7, 7' of the main adjustment tool 1 are inserted into the corresponding holes of the rear cover lock body 4, so that the movement of the main adjustment tool 1 along the left-right and front-back directions can drive the rear cover lock body 4 to move as a whole. It should be noted here that the "front-back direction" mentioned in this article is defined relative to the driving direction of the vehicle, and it is not necessarily horizontal. If the plane 26 on the inner side of the rear tail plate where the rear cover lock body 4 is located is not horizontal, but inclined relative to the horizontal position, then the position of adjusting the rear cover lock body in the front-back direction described in this article should be understood as the front-back position along the inclined direction of the plane 26.

[0044] First, the left and right position of the rear cover lock body is adjusted: the rear cover 5 is closed so that the lock catch (not shown) of the rear cover 5 falls into the gap 9 defined between the two parallel arms 8 and 8' of the main adjustment tool 1; the rear cover is continued to be closed, and during the process of the lock catch penetrating into the gap 9, if the lock catch contacts the arms on either side of the gap 9, the contact force between them will push the main adjustment tool 1 and the rear cover lock body 4 to move left or right, so that the left and right position of the rear cover lock body 4 on the rear tail plate 3 is determined by the left and right position of the lock hook on the rear cover 5, or the left and right position of the rear cover lock body 4 on the rear tail plate 3 is adapted to the left and right position of the lock hook on the rear cover 5, so that the lock catch on the rear cover 5 and the rear cover lock body 4 on the rear tail plate 3 can be aligned with each other in the left and right position.

[0045] After the rear cover 5 is closed, the lock catch is captured by the lock hook (not shown) in the rear cover lock body 4, thereby locking the rear cover 5. However, at this time, there may be a height difference between the outer surface of the rear cover 5 and the outer surface of the side outer panel, namely, the step difference. The step difference needs to fall within the specified tolerance range and be measured by a special step difference measurement tool. As known to those skilled in the art, the rear cover usually rotates around a pivot provided on the vehicle body at its root, and is elastically lifted by an air spring and / or an electric device without being subjected to external force. The rear cover can only be rotated downward or closed around the pivot under the action of external force. In addition, elastic seals are provided at the edge of the rear cover and the edge of the matching rear cover frame. After the rear cover is closed, the elastic seals that cooperate with each other apply elastic force in the direction that causes the rear cover to pivot upward and open. Before using the adjustment tool assembly according to the present application to adjust the front-to-back position of the rear cover lock body, the rear cover lock body is usually at the position closest to the rear cover (the rearmost position according to the driving direction of the vehicle), so the rear cover lock body is usually adjusted in the front-to-back direction by making the rear cover continue to close, or pressing down the rear cover, so as to push the rear cover lock body in the direction away from the rear cover, that is, in the direction of the vehicle interior (forward according to the driving direction of the vehicle). It should be noted that after the rear cover is closed, the lock catch is captured by the lock hook in the rear cover lock body to lock the rear cover, but at this time there is a unidirectional gap between the lock catch and the lock hook, so when the rear cover is pushed toward the vehicle interior, the lock catch of the rear cover first passes through the gap between the lock hook and the lock catch, the lock catch abuts against the rear cover lock body, and then continues to push the rear cover, and the lock catch can push the rear cover lock body to move in the vehicle interior. Therefore, the existence of the above-mentioned gap makes it impossible for the closing movement of the rear cover to be transmitted to the rear cover lock body at the beginning. The pushing mechanism of the present application can solve this problem. When the pushing mechanism is in its second position, the pushing member abuts against the plane of the rear cover, so that the closing movement of the rear cover is transmitted to the main adjustment tool through the pushing member from the beginning, and then transmitted to the rear cover lock body that moves integrally with the main adjustment tool.

[0046] The following describes in detail how to perform the front-to-rear position adjustment of the rear cover lock body: Continuing from the above, after the left-right position adjustment of the rear cover lock body is performed, the handle 16 is pushed so that the push mechanism 10 is in the second position, so that the push member 17 abuts against the plane 27 of the rear cover 5, so that when the rear cover 5 is pressed down, the plane 27 of the rear cover 5 can push the push member 17 to move in the vehicle interior direction; then, referring to the above, the rear light hole 36 on the rear cover 5 is passed through so that a pair of C-shaped clips 2, 2' are clamped on the rear cover 5 and the side inner panel 3'; Then, according to the reading of the step measuring tool, the handles 32 on both sides of the C-shaped clamps 2 and 2' are rotated respectively to gradually tighten the rear cover 5. At the same time, the plane 27 on the inner side of the rear cover 5 pushes the push piece 17 of the main adjustment tool 1, thereby pushing the entire main adjustment tool 1 and the rear cover lock body 4 toward the inside of the vehicle until the reading of the step measuring tool falls within the tolerance range. Then, stop adjusting the handles 32 of the C-shaped clamps 2 and 2', tighten the fixing screws 43 and 43' on the rear cover lock body, and complete the positioning adjustment of the rear cover lock body on the rear tail plate.

[0047] In the above steps, after pushing the handle 16 to make the pushing mechanism 10 in the second position, if the pushing member 17 does not abut against the plane 27 of the rear cover 5, it is necessary to adjust the length of the pushing member 17 extending from the base plate 6: loosen the nut 18, and adjust the length of the pushing member 17 extending from the third rod 15 by rotating the screw 19, so that the pushing member 17 can abut against the plane 27 of the rear cover 5, so that the movement of the rear cover 5 under the adjustment of the C-shaped clamp can be transmitted to the pushing member 17, and thus transmitted to the entire main adjustment tool 1 and the rear cover lock body 4.

[0048] As can be seen from the above, the adjustment tool assembly according to the present invention adopts a split structure of the main adjustment tool and the C-shaped clamp, so it is not limited by the use space in the vehicle, is easy and flexible to use, and has a simple structure, simple installation, and low manufacturing cost.

[0049] Having provided the description of the preferred embodiments, it will be apparent that modifications may be made by a person skilled in the art without thereby departing from the scope of the invention as defined by the following claims.

Claims

1. An adjustment tool assembly, used to adjust the left and right and front and back positions of a car lock body on the inner side of a car rear tailgate, characterized in that: The adjustment tool kit includes: A main adjustment tool fixedly mounted on the vehicle lock body on the inside of the rear tailgate; and A pair of clamps, The main adjustment tool includes: substrate; at least two positioning posts extending from the bottom surface of the substrate; Two arms extending from the sides of the base plate and extending in parallel to each other define a gap therebetween, the gap having a width suitable for receiving a latch on a rear cover of a vehicle; and A push mechanism fixed to the base plate, the push mechanism having a first position and a second position, in which the push mechanism is spaced apart from the inner surface of the rear cover of the automobile, and in which the push mechanism abuts against the inner surface of the rear cover of the automobile, and the push mechanism can be locked in the second position, Each of the clamps comprises: A C-shaped frame formed by a first cross beam, a longitudinal beam, and a second cross beam, wherein the first cross beam includes a threaded hole and the second cross beam is provided with a locating pin; and The screw rod is threadedly engaged and passes through the threaded hole in the first cross beam. A handle is provided at the first end of the screw rod, and a supporting member is provided at the other end. The supporting member can be moved closer to or away from the second cross beam by rotating the screw rod with the handle.

2. The adjustment tool assembly according to claim 1, characterized in that The pushing mechanism comprises: a base fixed to the base plate, the front portion of the base defining a hole; a first rod, one end of which is hinged to the base at a first hinge point and the other end of which includes a handle; a second rod having a first end hinged to the first rod at a second hinge point intermediate between the ends of the first rod; and A third rod, one end of which is hinged to the second end of the second rod at a third hinge point, the other end of the third rod passes through the hole of the base and includes a push piece at the end. In the first position, the handle is away from the third hinge point, and the push member is spaced apart from the inner surface of the car's rear cover; in the second position, the handle is close to the third hinge point, the first, second and third hinge points are substantially collinear, and the second hinge point is located between the first and third hinge points, and the push member rests against the inner surface of the car's rear cover.

3. The adjustment tool assembly according to claim 2, characterized in that: When the pushing mechanism is in the second position, the second hinge point is slightly lower than the line between the first and third hinge points.

4. The adjustment tool assembly according to claim 2 or 3, characterized in that: The first rod is provided with a protrusion near the second hinge point, and when the pushing mechanism is in the second position, the protrusion abuts against the step portion of the base.

5. The adjustment tool assembly according to claim 2 or 3, characterized in that: The first rod and the second rod are respectively formed of two branches.

6. The adjustment tool assembly according to claim 2 or 3, characterized in that: A nut and a screw rod are arranged at the free end of the third rod, and the screw rod is inserted into a threaded hole arranged in the free end of the third rod.

7. The adjustment tool assembly according to claim 2 or 3, characterized in that: The pushing member is made of an elastic material.

8. The adjustment tool assembly according to claim 1, characterized in that: The two positioning posts are located on a diagonal line of the substrate.

9. The adjustment tool assembly according to claim 1, characterized in that: The abutment member is made of an elastomeric material.

10. The adjustment tool assembly according to claim 1, characterized in that The two arms are formed from an integral plate member.

11. The adjustment tool assembly according to claim 10, characterized in that The plate member is received in the groove of the substrate, and a thickness of the plate member is less than or equal to a depth of the groove.

12. The adjustment tool assembly according to any one of claims 1, 10 and 11, characterized in that: The two arms include rounded corners on both sides of the gap.

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