Auxiliary installation tool for automobile trunk cover

By integrating the overall installation and limiting support mechanism with the testing mechanism, the assembly position and consistency of the tailgate are precisely controlled, solving the problem of unstable position of the limiting block in the existing technology, and improving the assembly and adjustment accuracy of the tailgate and the overall appearance quality of the vehicle.

CN223672670UActive Publication Date: 2025-12-16SAIC GM WULING AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202520006915.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-12-16
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

The existing tailgate adjustment uses separate XYZ limit blocks, and the positions of the limit blocks are unstable, resulting in poor operational stability and an inability to accurately control the consistency of tailgate adjustment precision. There are also many problems with matching the circumferential dimensions of the trunk lid.

Method used

The system employs an integrated installation mechanism and a limiting support mechanism. By using reference pins on the vehicle body and tailgate, support rods and reference surfaces, and magnetic adsorption, the assembly position and consistency of the tailgate are precisely controlled. In conjunction with a testing mechanism, real-time measurement and adjustment are performed.

Benefits of technology

It improved the adjustment accuracy and assembly consistency of the tailgate cover, reduced the failure rate of tailgate circumferential size matching problems, and improved the matching quality of the overall vehicle appearance gaps and DTS pass rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides an auxiliary mounting tool for an automobile trunk cover. The auxiliary mounting tool comprises an overall mounting mechanism and a limiting supporting mechanism. The overall installation mechanism comprises an installation frame, vehicle body positioning rods are arranged at the two ends of the installation frame through connecting blocks, and vehicle body reference pins are arranged on the vehicle body positioning rods so that the installation frame can be connected to a vehicle body in a positioning mode. Tail box cover reference pins are further arranged at the two ends of the installation frame so that the tail box cover can be connected to the installation frame in a positioned mode. The integral mounting mechanism is used for mounting and positioning the trunk cover; the limiting supporting mechanism comprises a supporting rod, and a supporting reference pin is arranged in the middle of the supporting rod so that the supporting rod can be connected to the vehicle body in a positioned mode. An X-direction supporting block and a Z-direction supporting block are arranged at the two ends of the supporting rod, and when the trunk cover is in a closed state, the X-direction supporting block and the Z-direction supporting block make contact with the trunk cover so as to control the gap between the trunk cover and the automobile body. According to the embodiment of the invention, the assembly position and the assembly consistency of the trunk cover are accurately controlled by taking the key size matching control point as a reference.
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Description

TECHNICAL FIELD

[0001] The embodiment of the present application relates to the technical field of vehicle assembly, in particular to an auxiliary installation tool for a trunk lid of an automobile. BACKGROUND

[0002] Currently, a separate XYZ limiting block is used for the installation and adjustment of the trunk lid, the relative positions of the separate limiting blocks are unstable, the personnel operation stability is poor, the installation and adjustment precision consistency of the trunk lid cannot be accurately controlled, and there are many problems in the size matching of the trunk lid.

[0003] Main problems are:

[0004] 1. Multiple separate limiting blocks are used, the limiting blocks are placed for a long time and are not accurately placed, and need to be repeatedly adjusted;

[0005] 2. There are many tools, the installation and adjustment steps are unstable due to personnel changes, and the size matching problem of the trunk lid and the functional problem (inappropriate opening force, water leakage, etc.) are prone to occur. CONTENT OF THE UTILITY MODEL

[0006] The embodiment of the present application provides an auxiliary installation tool for a trunk lid of an automobile, and relates to the technical field of vehicle assembly. The key size matching control point is taken as a reference to accurately control the installation position and consistency of the trunk lid.

[0007] In a first aspect, the embodiment of the present application provides an auxiliary installation tool for a trunk lid of an automobile, which comprises a whole installation mechanism and a limiting support mechanism.

[0008] The whole installation mechanism comprises an installation frame, vehicle body positioning rods are arranged at both ends of the installation frame through connecting blocks, vehicle body reference pins are arranged on the vehicle body positioning rods, so that the installation frame is positioned and connected on the vehicle body, tail box lid reference pins are further arranged at both ends of the installation frame, so that the tail box lid is positioned and connected on the installation frame, and the whole installation mechanism is used for the installation and positioning of the tail box lid.

[0009] The limiting support mechanism comprises a support rod, a support reference pin is arranged at the middle part of the support rod, so that the support rod is positioned and connected on the vehicle body, X-direction support blocks and Z-direction support blocks are arranged at both ends of the support rod, and when the tail box lid is in a closed state, the X-direction support blocks and the Z-direction support blocks are in contact with the tail box lid, so as to control the gap between the tail box lid and the vehicle body.

[0010] Optionally, according to the auxiliary installation tool for the trunk lid of the automobile, a vehicle body reference surface is further arranged on the vehicle body positioning rod and located beside the vehicle body reference pin, so that the installation frame is stably arranged on the vehicle body.

[0011] Optionally, the automobile trunk lid auxiliary installation tool according to the embodiment of the present application, the top and bottom of the vehicle body positioning rod are further provided with a vehicle body auxiliary reference surface.

[0012] Optionally, the automobile trunk lid auxiliary installation tool according to the embodiment of the present application, the two ends of the installation frame are provided with a plurality of trunk lid reference surfaces beside the trunk lid reference pin, so that the trunk lid is stable on the overall installation mechanism.

[0013] Optionally, the automobile trunk lid auxiliary installation tool according to the embodiment of the present application, the installation frame is further provided with two groups of trunk lid positioning rods, the trunk lid positioning rods are provided with X-direction limiting blocks and Z-direction limiting blocks to limit the specific position of the trunk lid.

[0014] Optionally, the automobile trunk lid auxiliary installation tool according to the embodiment of the present application, the support rod is provided with a support reference surface beside the support reference pin, and the support reference surface is attached to the vehicle body.

[0015] Optionally, the automobile trunk lid auxiliary installation tool according to the embodiment of the present application, the support reference surface is provided with a counterbore, and the counterbore is provided with a support adsorption magnet.

[0016] Optionally, the automobile trunk lid auxiliary installation tool according to the embodiment of the present application, the support rod is further provided with a handle, and the handle is used to take the limiting and supporting mechanism.

[0017] Optionally, the automobile trunk lid auxiliary installation tool according to the embodiment of the present application further comprises two groups of detection mechanisms, the detection mechanisms are respectively located on the two sides of the connection between the trunk lid and the vehicle body, and are provided with a profile detection block at the top to detect the assembly degree of the trunk lid and the vehicle body.

[0018] Optionally, the automobile trunk lid auxiliary installation tool according to the embodiment of the present application, the detection mechanism comprises a detection rod, the detection rod is provided with a detection reference pin to be positioned and connected on the vehicle body, and the detection rod is further provided with a detection reference surface beside the detection reference pin, and the detection reference surface is provided with a detection adsorption magnet to tightly attach to the vehicle body.

[0019] The embodiment of the present application brings the following beneficial effects:

[0020] (1) The embodiment of the present application can effectively improve the adjustment accuracy and assembly consistency of the trunk lid;

[0021] (2) The embodiment of the present application helps to improve the appearance gap clearance matching quality of the whole vehicle, reduces the fault rate of the trunk door circumference size matching problem, and improves the DTS qualification rate of the whole vehicle.

DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only represent some embodiments of the present application, and all other drawings obtained by those skilled in the art without any creative effort based on these drawings also belong to the protection scope of the present application.

[0023] Figure 1 Structure schematic diagram of the overall mounting mechanism provided by the embodiments of the present application (I);

[0024] Figure 2 Structure schematic diagram of the overall mounting mechanism provided by the embodiments of the present application (II);

[0025] Figure 3 Structure schematic diagram of the limiting support mechanism provided by the embodiments of the present application (I);

[0026] Figure 4 Structure schematic diagram of the limiting support mechanism provided by the embodiments of the present application (I);

[0027] Figure 5 Structure schematic diagram of the detection mechanism provided by the embodiments of the present application.

[0028] Explanation of the reference signs:

[0029] 10-mounting frame; 11-connection block; 12-car body positioning rod; 13-car body reference pin; 14-car body reference surface; 15-car body auxiliary reference surface; 16-hatch cover reference pin; 17-hatch cover reference surface; 18-hatch cover positioning rod; 19-Z-direction limiting block; 110-X-direction limiting block;

[0030] 20-supporting rod; 21-supporting reference pin; 22-supporting reference surface; 23-supporting adsorption magnet; 24-handle; 25-X-direction supporting block; 26-Z-direction supporting block;

[0031] 30-detection rod; 31-detection reference pin; 32-detection reference surface; 33-profile detection block; 34-detection adsorption magnet.

DETAILED DESCRIPTION

[0032] In order to better understand the technical solutions of the present application, the embodiments of the present application will be described in detail below with reference to the drawings.

[0033] It should be clear that the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without any creative effort also belong to the protection scope of the present application.

[0034] The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the specification. As used in the embodiments of the present application and the appended claims, the singular forms "a," "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0035] At present, the existing tailgate is equipped and adjusted using separate XYZ limiting blocks, the relative positions between the separate limiting blocks are unstable, the personnel operation stability is poor, the tailgate installation and adjustment precision consistency cannot be accurately controlled, and there are many luggage compartment cover circumference size matching problems.

[0036] In view of this, according to Figures 1 to 4 As shown in the figure, the embodiments of the present application provide an automobile tailgate auxiliary installation tool, which comprises a whole installation mechanism and a limiting support mechanism.

[0037] The whole installation mechanism comprises an installation frame 10, the two ends of the installation frame 10 are provided with a vehicle body positioning rod 12 through a connecting block 11, a vehicle body reference pin 13 is arranged on the vehicle body positioning rod 12, so that the installation frame 10 is positioned and connected on the vehicle body; the two ends of the installation frame 10 are also provided with a tailgate reference pin 16, so that the tailgate is positioned and connected on the installation frame 10; the whole installation mechanism is used for installation and positioning of the tailgate.

[0038] The limiting support mechanism comprises a support rod 20, a support reference pin 21 is arranged in the middle of the support rod 20, so that the support rod 20 is positioned and connected on the vehicle body; X-direction support blocks 25 and Z-direction support blocks 26 are arranged at the two ends of the support rod 20, when the tailgate is in a closed state, the X-direction support blocks 25 and the Z-direction support blocks 26 are in contact with the tailgate, so as to control the gap between the tailgate and the vehicle body.

[0039] Further, a vehicle body reference surface 14 is arranged on the vehicle body positioning rod 12 beside the vehicle body reference pin 13, so that the installation frame 10 is stabilized on the vehicle body. The top and bottom of the vehicle body positioning rod 12 are also provided with vehicle body auxiliary reference surfaces 15. First, the vehicle body reference pin 13 is inserted into the corresponding vehicle body hole, and then pushed to the vehicle body reference surface 14 and the vehicle body auxiliary reference surface 15 to be attached to the vehicle body (magnetic attraction or compression) so that the installation frame 10 is firmly fixed on the vehicle body.

[0040] Further, a plurality of tailgate reference surfaces 17 are arranged at the two ends of the installation frame 10 beside the tailgate reference pin 16, so that the tailgate is stabilized on the whole installation mechanism. The tailgate positioning hole penetrates through the corresponding tailgate reference pin 16, and then is pushed to be attached to the tailgate reference surface 17, so that the tailgate is attached to the whole installation mechanism and the tailgate hinge bolt is pre-tightened, ensuring the accurate position of the tailgate in the closed state.

[0041] Further, the mounting frame 10 is further provided with two groups of tailgate positioning rods 18, the tailgate positioning rods 18 are provided with X-direction limiting blocks 110 and Z-direction limiting blocks 19, the specific position of the tailgate is limited through the X-direction limiting blocks 110 and the Z-direction limiting blocks 19, and the relative fixation between the tailgate and the vehicle body during the assembly process is ensured.

[0042] Further, the support rod 20 is provided with a support reference surface 22 on the side of the support reference pin 21, and the support reference surface 22 is attached to the vehicle body. The support reference surface 22 is provided with a counterbore, and the support adsorption magnet 23 is arranged in the counterbore. The support reference pin 21 is inserted into the corresponding hole of the vehicle body, the support reference surface 22 is in contact through the weight or the magnet adsorption, after the tailgate is placed down, the tailgate is in contact with the X-direction support block 25 and the Z-direction support block 26 in the closed state, and the clearance between the tailgate and the vehicle body is controlled to meet the design requirements.

[0043] Further, the support rod 20 is further provided with a handle 24, and the handle 24 is used to take the limiting and supporting mechanism.

[0044] Further, according to Figure 5 As shown in the figure, the embodiment of the application further includes two groups of detection mechanisms, the detection mechanisms are respectively located on the two sides of the connection between the tailgate and the vehicle body, are used to measure the effect of the adjusted tailgate, and judge whether the installation position of the tailgate meets the requirements, and feedback the measurement data to the adjustment station, and adjust the limiting of the whole tailgate installation tool if necessary, so as to ensure the final installation and adjustment accuracy.

[0045] The detection mechanism includes a detection rod 30, the detection rod 30 is provided with a detection reference pin 31, so that the detection rod 30 is positioned and connected on the vehicle body, and the top of the detection rod 30 is provided with a profile detection block 33, the profile detection block 33 is designed according to the DTS requirements of the profile of the tailgate. The detection reference pin 31 is inserted into the corresponding hole of the vehicle body, is pushed to the detection reference surface 32 attached to the vehicle body (magnet adsorption), and the gap step difference data of the profile detection block 33 and the tailgate is measured.

[0046] Further, the detection rod 30 is further provided with a detection reference surface 32 on the side of the detection reference pin 31, and the detection reference surface 32 is provided with a detection adsorption magnet 34, so that the detection reference surface 32 is closely attached to the vehicle body.

[0047] Further, the outer side of the detection rod 30 away from the vehicle body is further provided with a handle 35, so as to facilitate the operator to take the detection rod 30.

[0048] The embodiment of the application takes the key dimension matching control point as the reference, accurately controls the tailgate assembly position and assembly consistency, and controls the clearance in the tailgate to meet the design requirements through the limiting and supporting mechanism.

[0049] In addition, the actual effect of the tailgate cover adjustment is measured quickly, and the installation tool is adjusted according to the measurement result to achieve the final quality target.

[0050] The specific adjustment method of the embodiment of the application is as follows:

[0051] 1. Assemble the overall mounting mechanism to the vehicle body;

[0052] 2. Assemble the tailgate cover to the overall mounting mechanism, and at this time, the tailgate cover is in a closed state;

[0053] 3. Pre-tighten the tailgate cover hinge bolt, so that the tailgate cover does not displace under the condition of no external force;

[0054] 4. Open the tailgate cover and remove the overall mounting mechanism;

[0055] 5. Install the limiting support tool to the tail of the body-in-white, and close the tailgate cover;

[0056] 6. Assemble the detection mechanism to both sides of the vehicle body;

[0057] 7. Measure the tailgate cover circumference size matching data;

[0058] 8. Feedback the data result to the upstream tool installation station for adjustment and correction to meet the manufacturing control standard.

[0059] The embodiment of the application can effectively improve the tailgate cover adjustment precision and assembly consistency, help to improve the whole vehicle appearance gap step difference matching quality, reduce the tailgate circumference size matching problem failure rate, and improve the whole vehicle DTS qualification rate.

[0060] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An auxiliary installation tool for a car tailgate, characterized in that, Includes the overall installation mechanism and the limit support mechanism; The overall installation mechanism includes an installation frame, with body positioning rods at both ends of the installation frame via connecting blocks. The body positioning rods are equipped with body reference pins to position the installation frame on the vehicle body. The installation frame is also equipped with tailgate reference pins at both ends to position the tailgate on the installation frame. The overall installation mechanism is used for the installation and positioning of the tailgate. The limiting support mechanism includes a support rod, and a support reference pin is provided in the middle of the support rod so that the support rod is positioned and connected to the vehicle body; the two ends of the support rod are provided with X-direction support blocks and Z-direction support blocks. When the tailgate is closed, the X-direction support blocks and Z-direction support blocks contact the tailgate to control the gap between the tailgate and the vehicle body.

2. The auxiliary installation tool for a car tailgate according to claim 1, characterized in that, The vehicle positioning rod is also provided with a vehicle reference surface on the side of the vehicle reference pin, so that the mounting frame is stable on the vehicle body.

3. The auxiliary installation tool for a car tailgate according to claim 2, characterized in that, The top and bottom of the vehicle positioning rod are also provided with auxiliary reference surfaces for the vehicle body.

4. The auxiliary installation tool for a car tailgate according to claim 1, characterized in that, The mounting frame has multiple tailgate reference surfaces located at both ends beside the tailgate reference pin, so that the tailgate is stable on the overall mounting mechanism.

5. The auxiliary installation tool for a car tailgate according to claim 1, characterized in that, The mounting frame is also equipped with two sets of tailgate positioning rods, and the tailgate positioning rods are equipped with X-direction limiting blocks and Z-direction limiting blocks to limit the specific position of the tailgate.

6. The auxiliary installation tool for a car tailgate according to claim 1, characterized in that, The support rod has a support reference surface located next to the support reference pin, and the support reference surface is in contact with the vehicle body.

7. The auxiliary installation tool for a car tailgate according to claim 6, characterized in that, The supporting reference surface has a countersunk hole, and a supporting adsorption magnet is installed in the countersunk hole.

8. The auxiliary installation tool for a car tailgate according to claim 1, characterized in that, The support rod is also provided with a handle, which is used to pick up the limiting support mechanism.

9. The auxiliary installation tool for a car tailgate according to any one of claims 1 to 8, characterized in that, It also includes two sets of testing mechanisms, which are located on both sides of the connection between the tailgate and the body, and are equipped with a surface testing block on the top to test the assembly accuracy of the tailgate and the body.

10. The auxiliary installation tool for a car tailgate according to claim 9, characterized in that, The detection mechanism includes a detection rod with a detection reference pin for positioning and connecting the detection rod to the vehicle body; a detection reference surface is also provided on the detection rod next to the detection reference pin, and a detection adsorption magnet is provided in the detection reference surface to ensure that the detection reference surface is in close contact with the vehicle body.