Positioning and anti-falling pre-hanging structure for assembly of automobile body

By introducing a combination structure of clearance openings, bulges, limit blocks, and positioning bulges in automobile body assembly, the problems of high welding costs and difficult operation of traditional pre-attached structures are solved, achieving simple, economical, and effective Y-axis positioning.

CN223672667UActive Publication Date: 2025-12-16CHONGQING TONGJIE INDAL DESIGN
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Patent Information

Application Number
CN202520224899.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-12-16
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

In existing automobile body assembly processes, pre-attached structures suffer from high welding costs, operational difficulties, and ineffective Y-axis positioning.

Method used

A pre-attached structure for anti-detachment during automobile body assembly and positioning was designed. By setting clearance openings, protrusions, cut-outs, limit blocks, and a combination of positioning protrusions and positioning openings on the connecting plate and mounting plate, the Y-axis positioning of the connecting plate is achieved.

Benefits of technology

It simplifies the pre-attachment process, reduces costs, and improves the accuracy and convenience of Y-axis positioning.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223672667U_ABST
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Abstract

The utility model relates to the technical field of automobiles, in particular to an automobile body assembly positioning anti-falling pre-hanging structure which comprises a mounting plate arranged at the end of an automobile girder and a connecting plate formed at the position, corresponding to the mounting plate, of an anti-collision beam. The connecting plate is attached to the mounting plate; a receding opening is formed in the connecting plate in the thickness direction in a penetrating mode, a convex hull is arranged on the mounting plate corresponding to the receding opening, and a cutting opening is formed in the mounting plate corresponding to the upper side of the convex hull in a penetrating mode. A horizontal matching surface is formed on the upper side surface of the convex hull and can be attached to and supported on an abutting surface formed on the upper side surface in the abdicating opening so as to limit the vertical position of the connecting plate; limiting blocks are formed on the matching faces or the abutting faces in a protruding mode respectively, and the limiting blocks can be located on the outer sides of the connecting plates or the inner sides of the mounting plates respectively so as to limit the protruding hulls from disengaging from the receding openings. The Y-direction positioning device has the advantages of being simpler and more reasonable in structural design and capable of better positioning in the Y direction.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile, in particular to a kind of automobile body assembling positioning anti-drop pre-hanging structure. BACKGROUND

[0002] At present, in the traditional automobile body assembling process, especially between automobile girders and front and rear crash beams, usually bolt and nut are used to connect and fix. Pre-hanging structure is arranged between the girder and the front and rear crash beams, and the pre-hanging structure is usually provided with a hanging column (screw stud marker) by projection welding on the hanging plate at the end of the girder. A connecting plate is formed at the end of the crash beam, and a hanging hole is arranged on the connecting plate. When the crash beam is assembled between the two girders, the hanging column is inserted into the hanging hole to complete the pre-hanging assembly. The structure has the following disadvantages: 1. A marker needs to be welded, which increases the cost of marker use and welding and welding fixture cost; 2. It is not convenient to operate the pre-hanging, and the pre-hanging operation is difficult. Therefore, the applicant designs an automobile body assembling anti-drop pre-hanging structure, as shown in Figures 8 to 11 In the structure, a clearance opening is arranged on the connecting plate, a convex bump is arranged on the mounting plate, a cutout is arranged on the upper side of the convex bump, the upper side of the convex bump is cut off, so that a horizontal mating surface is formed on the upper side of the convex bump, and the mating surface is supported by the abutting surface formed on the inner upper side of the clearance opening, thereby limiting the vertical position of the connecting plate. Limiting blocks are formed on the mating surface or the abutting surface, respectively, and when the connecting plate is mounted, the limiting blocks can be located on the outer side of the connecting plate or the inner side of the mounting plate, thereby limiting the convex bump from being pulled out of the clearance opening. The pre-hanging structure is formed. However, the above structure has the disadvantage that the crash beam cannot be positioned in the Y direction.

[0003] Therefore, how to provide an automobile body assembling positioning anti-drop pre-hanging structure with a more simple and reasonable structure design and better Y-direction positioning has become a technical problem to be solved by those skilled in the art. UTILITY MODEL CONTENTS

[0004] In view of the above defects of the prior art, the technical problem to be solved by the utility model is how to provide an automobile body assembling positioning anti-drop pre-hanging structure with a more simple and reasonable structure design and better Y-direction positioning.

[0005] To achieve the above object, the utility model provides a kind of automobile body assembling positioning anti-drop pre-hanging structure, including the installation plate being arranged in the end of automobile girder, still including the connecting plate being formed in the position corresponding with installation plate on anti-collision beam;And connecting plate is attached and set on installation plate;Pass through its thickness direction and be provided with the let-out opening on connecting plate, and the convex hull is provided with on installation plate corresponding let-out opening, and pass through and be provided with the cutout on installation plate corresponding convex hull upper side, so that convex hull upper side forms horizontal cooperation face and can be attached and supported on the abutting surface formed in the inside upper side of let-out opening to limit the vertical position of connecting plate;Limiting block is formed on cooperation face or abutting surface respectively, and make limiting block can be located at the outside of connecting plate or the inside of installation plate to limit convex hull from let-out opening;Its characterized in that;Between convex hull and limiting block, positioning lug and positioning mouth are arranged in cooperation, and make positioning lug can be inserted into cooperation in positioning mouth to limit the Y direction position between connecting plate and installation plate.

[0006] In this way, in the automobile body assembling positioning anti-drop pre-hanging structure described above, positioning lug and positioning mouth are arranged in cooperation between convex hull and limiting block, so that positioning lug can be inserted into cooperation in positioning mouth when pre-hanging is completed, thereby limiting the Y direction position between connecting plate and installation plate. The whole structure is simple and reasonable in design, and is directly attached to convex hull and limiting block, which can facilitate processing and manufacturing.

[0007] As an optimization, the limiting block includes a first limiting block, which is vertically protruded downward on the abutting surface to form the first limiting block, and the first limiting block is located inside the installation plate to limit the convex hull from being let out of the let-out opening. The lower end of the first limiting block is locally bent outward vertically to extend to form the positioning lug, and the positioning mouth is arranged on the convex hull and has a U-shaped structure design.

[0008] In this way, the positioning lug is designed at the lower end of the first limiting block, and when pre-hanging is completed, the positioning lug and the first limiting block move synchronously, so that the positioning lug can play a positioning and guiding role after being inserted into cooperation in the positioning mouth, which facilitates the pre-hanging operation.

[0009] As an optimization, the positioning mouth has a rounded corner structure on both sides of the upper end.

[0010] In this way, it is more convenient for the positioning lug to be inserted into cooperation in the positioning mouth from the upper end of the positioning mouth and to be positioned.

[0011] As an optimization, the positioning lug and the first limiting block are integrally formed.

[0012] In this way, the positioning lug and the first limiting block are integrally processed and formed, which facilitates processing and manufacturing.

[0013] As optimization, the limiting block comprises a first limiting block and a second limiting block, the first limiting block is vertically protruded downward on the abutting surface, and the second limiting block is vertically protruded upward on the fitting surface; and the first limiting block and the second limiting block are respectively located at the inner side of the mounting plate and the outer side of the connecting plate to limit the convex from escaping from the giving-up opening; the second limiting block is partially bent and extended upward at the upper end to form the positioning protrusion, the connecting plate is provided with the positioning opening, and the lower end of the positioning opening is provided through the lower end surface of the second limiting block to form a U-shaped structure with the lower end being open.

[0014] Thus, the convex can be better limited from escaping from the giving-up opening, and the positioning effect can be improved.

[0015] As optimization, the lower end of the positioning opening is provided with a rounded corner structure on both sides.

[0016] Thus, the structure of the positioning opening is more reasonable.

[0017] As optimization, the positioning protrusion is integrally formed with the convex.

[0018] Thus, the manufacturing is more convenient.

[0019] In summary, the above structure has the characteristics of simpler and more reasonable structure design, lower cost, more convenient pre-hanging operation, and more convenient Y-direction positioning. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic view of the automobile body assembling and positioning anti-escape pre-hanging structure in the embodiment of the present application (only the mounting plate and the connecting plate are shown in the figure).

[0021] Figure 2 is Figure 1 is a partial enlarged schematic view of position A in

[0022] Figure 3 is Figure 1 is a structural schematic view of the mounting plate in

[0023] Figure 4 is Figure 1 is a structural schematic view of the connecting plate in

[0024] Figure 5 is a structural schematic view of another structure form in the embodiment of the present application.

[0025] Figure 6 is Figure 5 is a structural schematic view of the connecting plate in

[0026] Figure 7 is Figure 5The structural schematic view of the mounting plate in the figure.

[0027] Figure 8 The schematic view of a vehicle body assembling anti-disengagement pre-hanging structure applied by the applicant.

[0028] Figure 9 The Figure 8 The local enlarged schematic view of the B position in the figure.

[0029] Figure 10 The schematic view of another structural form of a vehicle body assembling anti-disengagement pre-hanging structure applied by the applicant.

[0030] Figure 11 The Figure 10 The local enlarged schematic view of the C position in the figure. DETAILED DESCRIPTION

[0031] The utility model will be further described below in combination with the drawings and embodiments, and it should be noted that in the description of the utility model, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular way, and therefore cannot be understood as limiting the utility model. The terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0032] As Figures 1 to 7 Illustrated, a kind of vehicle body assembling positioning anti-disengagement pre-hanging structure, including the mounting plate 1 being arranged in the end of automobile girder, still include the connecting plate 2 formed in corresponding position on anti-collision beam with mounting plate;And connecting plate is attached and set on mounting plate;Through thickness direction of connecting plate is provided with let-out opening 3, corresponding let-out opening is provided with convex 4 on mounting plate, corresponding convex upper side is provided with cutout 5 on mounting plate, so that convex upper side forms horizontal mating surface and can be attached and supported on the abutting face formed on the upper side of let-out opening to limit the vertical position of connecting plate;Limiting block 6 is formed on mating surface or abutting face respectively, and so that limiting block can be located at the outer side of connecting plate or the inner side of mounting plate to limit convex from let-out opening disengagement;Positioning lug 7 and positioning port 8 are arranged in cooperation between convex and limiting block, and so that positioning lug can be inserted into cooperation in the positioning port to limit the Y direction position between connecting plate and mounting plate.

[0033] Thus, in the automobile body assembling positioning anti-disengagement pre-hanging structure described above, the positioning protrusion and the positioning opening are arranged in cooperation between the convex block and the limiting block, so that when the pre-hanging is completed, the positioning protrusion can be inserted into the positioning opening in cooperation, thereby limiting the Y-direction position between the connecting plate and the mounting plate. The whole structure is simple and reasonable in design, directly attached to the convex block and the limiting block, and can be more convenient for processing and manufacturing.

[0034] As shown in Figures 1 to 4 ; in the specific embodiment, the limiting block includes a first limiting block 9, which is vertically protruded downward on the abutting surface to form a first limiting block, and is located on the inner side of the mounting plate to limit the convex block from disengaging from the accommodation opening; the lower end of the first limiting block is locally bent outward vertically to extend to form the positioning protrusion 7, and the connecting plate is provided with the positioning opening 8 arranged in the thickness direction of the convex block and designed in a U-shaped structure.

[0035] Thus, the positioning protrusion is designed at the lower end of the first limiting block, and when the pre-hanging is completed, the positioning protrusion and the first limiting block move synchronously, so that after the positioning protrusion is inserted into the positioning opening in cooperation, it can play a role of positioning and guiding, and the pre-hanging operation can be more conveniently completed.

[0036] In the specific embodiment, the upper end of the positioning opening is provided with a rounded corner structure on each side.

[0037] Thus, it is more convenient for the positioning protrusion to be inserted into the positioning opening from the upper end of the positioning opening and to be positioned.

[0038] In the specific embodiment, the positioning protrusion and the first limiting block are integrally formed.

[0039] Thus, the positioning protrusion and the first limiting block are integrally processed and formed, which is more convenient for processing and manufacturing.

[0040] As shown in Figures 5 to 7 ; in the specific embodiment, the limiting block includes a first limiting block 9 and a second limiting block 10, the first limiting block is vertically protruded downward on the abutting surface, and the second limiting block is vertically protruded upward on the cooperation surface; and the first limiting block and the second limiting block are respectively located on the inner side of the mounting plate and the outer side of the connecting plate to limit the convex block from disengaging from the accommodation opening; the upper end of the second limiting block is locally bent upward to extend to form the positioning protrusion 7, and the connecting plate is provided with the positioning opening 8, and the lower end of the positioning opening is arranged through the lower end surface of the second limiting block to make the positioning opening arranged in a U-shaped structure with the lower end open.

[0041] Thus, the convex block can be better limited from disengaging from the accommodation opening, and the positioning effect can be improved.

[0042] Further, the upper end of the positioning protrusion is integrally formed on the mounting plate.

[0043] In this way, the structure strength is better while meeting the positioning.

[0044] In the embodiment, the lower end of the positioning opening is provided with a rounded corner structure on each side.

[0045] In this way, the structure design of the positioning opening is more reasonable.

[0046] In the embodiment, the positioning protrusion and the convex are integrally formed.

[0047] In this way, the processing and manufacturing are more convenient.

[0048] In summary, the above structure has the characteristics of simpler and more reasonable structure design, lower cost, more convenient pre-hanging operation and more convenient Y-direction positioning.

[0049] The preferred embodiments of the utility model are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the utility model. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the utility model shall be within the protection scope defined by the claims.

Claims

1. A kind of automobile body assembling positioning anti-drop pre-hanging structure, including the installation plate being arranged in the end of automobile girder, still including the connecting plate being formed in the corresponding position of installation plate on anti-collision beam;And connecting plate is attached and set on installation plate;Through thickness direction of connecting plate, let opening is set, the convex is set on installation plate corresponding let opening, the cutout is set through on the upper side of convex on installation plate corresponding convex, so that the upper side of convex forms horizontal cooperation face and can be attached and supported on the abutting face being formed in the inside of let opening upper side to limit the vertical position of connecting plate;Limiting block is respectively formed on cooperation face or abutting face, and so that limiting block can be respectively located on the outside of connecting plate or the inside of installation plate to limit the convex from let opening and drop out;Its characterized in that ; The positioning protrusion and the positioning opening are arranged in cooperation, and the positioning protrusion can be inserted into the positioning opening to limit the Y-direction position between the connecting plate and the mounting plate.

2. The pre-attached structure for anti-detachment during automobile body assembly and positioning as described in claim 1, characterized in that: The limiting block comprises a first limiting block, the first limiting block is vertically protruded downward on the abutting surface, and the first limiting block is located on the inner side of the mounting plate to limit the convex from escaping from the accommodation opening; the lower end of the first limiting block is partially vertically bent outward to extend to form the positioning protrusion, and the positioning opening is arranged on the convex in a U-shaped structure design.

3. The structure for preventing the automobile body from being separated and pre-hanging according to claim 2, wherein: the first and second positioning members are formed in the same shape. The upper end of the positioning opening is provided with a rounded corner structure on each side.

4. The structure for preventing the automobile body from being separated and pre-hanging according to claim 2, wherein: The positioning protrusion and the first limiting block are integrally formed.

5. The structure for preventing the automobile body from being separated and pre-hanging according to claim 1, wherein: The limiting block comprises a first limiting block and a second limiting block, the first limiting block is vertically protruded downward on the abutting surface, and the second limiting block is vertically protruded upward on the cooperation surface; and the first limiting block and the second limiting block are respectively located on the inner side of the mounting plate and the outer side of the connecting plate to limit the convex from escaping from the accommodation opening; the upper end of the second limiting block is partially bent upward to extend to form the positioning protrusion, the positioning opening is arranged on the connecting plate, and the lower end of the positioning opening is arranged through the lower end surface of the second limiting block to form a U-shaped structure design with the lower end of the positioning opening being open.

6. The structure for preventing the automobile body from being separated and pre-hanging according to claim 5, wherein: The lower end of the positioning opening is provided with a rounded corner structure on each side.

7. The structure for preventing the automobile body from being separated and pre-hanging according to claim 5, wherein: The positioning protrusion and the convex are integrally formed.