Automatic centering device for automobile rear cover
By designing an automatic centering device for the rear cover of a car, the problem of low installation efficiency caused by cumbersome manual operations in the existing technology is solved, automatic centering and uniform gap assembly effects are achieved, and assembly efficiency is improved.
Patent Information
- Application Number
- CN202422706444.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-07
AI Technical Summary
In the existing automobile tailgate assembly process, manual operations are tedious and error-prone, resulting in low installation efficiency.
An automatic centering device for a car rear cover is designed, which includes a mounting bracket, a fixed block, a movable rod, a centering block, a sliding block, a connecting rod, a rotating rod, an adjusting rod, and a bolt installation gun. Through the coordinated action of these components, the bolt installation gun is always aligned with the screw holes on the car rear cover, thereby achieving automatic centering.
It improves the efficiency of automobile rear cover assembly, ensures uniform gaps on both sides of the rear cover, adapts to car bodies of different sizes, and simplifies the worker operation process.
Smart Images

Figure CN223353502U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile rear cover assembly, in particular to an automatic centering device for an automobile rear cover. Background Art
[0002] During the assembly process of a car's rear cover, it needs to be fixed centered on the body with screws. The existing working method is to manually place feeler gauges of the same thickness into the gaps on both sides between the rear cover and the body to center the rear cover. During the assembly process, the workers' steps are cumbersome and prone to errors, which also leads to low installation efficiency. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an automatic centering device for a rear cover of an automobile.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] The automatic centering device of the rear cover of an automobile comprises a mounting bracket, a fixed block, a movable rod, a centering block, a sliding block, a connecting rod, a rotating rod, an adjusting rod and a bolt mounting gun. The fixed blocks are provided on both sides of the lower end of the mounting bracket, the movable rod is slidably provided on the two fixed blocks, the centering block and the sliding block are both slidably provided on the movable rod, two sliding blocks are provided between the two fixed blocks, the two sliding blocks are respectively fixed on the two ends of the connecting rod, the centering block is fixed on the middle part of the connecting rod, and the centering block and the sliding block do not rotate relative to the fixed block, the middle part of the rotating rod is rotatably provided on the centering block, the two ends of the rotating rod are respectively hinged to one end of the two adjusting rods, the other ends of the two adjusting rods are respectively hinged to the two fixed blocks, and the two sliding blocks are provided with the bolt mounting gun.
[0006] Furthermore, a fixed shaft is fixedly provided on the middle portion of the centering block, and the middle portion of the rotating rod is rotatably provided on the fixed shaft.
[0007] Furthermore, the fixed block is provided with two movable rods parallel to each other.
[0008] Furthermore, the lower end of the mounting bracket is connected to the fixed block through a sliding adjustment assembly, and the sliding adjustment assembly includes an anti-slip slider, an anti-slip slide rail, a sliding seat, a limit block and a reset member, the anti-slip slider is fixedly provided on both sides of the lower end of the mounting bracket, the anti-slip slide rail is slidably provided on the anti-slip slider and cooperates with the anti-slip slider, the sliding seat is fixedly provided on the anti-slip slide rail, and the limit blocks cooperating with the two ends of the anti-slip slide rail are provided on both sides of the sliding seat, one end of the reset member is fixedly connected to the limit block, and the other end of the reset member is fixedly connected to the anti-slip slider.
[0009] Furthermore, the anti-slip slide rail and the movable rod are arranged parallel to each other.
[0010] Furthermore, the reset member is a reset spring.
[0011] Furthermore, the two adjusting rods connected to the rotating rod are arranged in a centrally symmetrical manner.
[0012] Furthermore, the fixing block is provided with a through hole, and the movable rod is slidably provided in the through hole and cooperates with the through hole.
[0013] Furthermore, limiting protrusions are provided on both ends of the movable rod.
[0014] Furthermore, the bolt installation gun is connected to the sliding block via a floating adjustment component.
[0015] The beneficial effects of the utility model are:
[0016] 1) In this technology, under the action of components such as the centering block, the bolt installation gun always cooperates with the screw holes on the rear cover of the car. During the assembly process, workers do not need to hold the bolt installation gun to tighten the screws, which can effectively improve processing efficiency.
[0017] 2) In this technology, with the cooperation of the anti-slip slider and the anti-slip rail, the centering block always maintains a sliding center position, so that the device for positioning the rear cover can slide left and right to the center, thereby adapting to car bodies with different sizes of openings and ensuring that the gaps on both sides of the rear cover are the same size.
[0018] 3) In this technology, the provision of a floating adjustment component can better align the bolt installation gun with the screw hole on the rear cover of the car. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a three-dimensional structural diagram of the centering device;
[0020] Figure 2 for Figure 1 A magnified structural diagram;
[0021] Figure 3 It is a three-dimensional connection structure between the fixed block and the movable rod Figure 1 ;
[0022] Figure 4 It is a three-dimensional connection structure between the fixed block and the movable rod Figure 2 ;
[0023] In the figure, 1-mounting bracket, 2-anti-slip slider, 3-anti-slip slide rail, 4-sliding seat, 5-limiting block, 6-resetting member, 7-fixed block, 8-movable rod, 9-centering block, 10-sliding block, 11-connecting rod, 12-rotating rod, 13-adjusting rod, 14-floating adjustment component, 15-bolt mounting gun, 16-fixed axis. DETAILED DESCRIPTION
[0024] The following will be combined with the embodiments to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present invention.
[0025] See Figures 1-4 , the utility model provides a technical solution:
[0026] An automatic centering device for a car rear cover includes a mounting bracket 1, a fixed block 7, a movable rod 8, a centering block 9, a sliding block 10, a connecting rod 11, a rotating rod 12, an adjusting rod 13 and a bolt installation gun 15. Fixed blocks 7 are provided on both sides of the lower end of the mounting bracket 1, the movable rod 8 is slidably set on the two fixed blocks 7, the centering block 9 and the sliding block 10 are both slidably set on the movable rod 8, two sliding blocks 10 are provided between the two fixed blocks 7, the two sliding blocks 10 are respectively fixed on the two ends of the connecting rod 11, the centering block 9 is fixed on the middle part of the connecting rod 11, and the centering block 9 and the sliding block 10 do not rotate relative to the fixed block 7, the middle part of the rotating rod 12 is rotatably set on the centering block 9, the two ends of the rotating rod 12 are respectively hinged to one end of the two adjusting rods 13, the other ends of the two adjusting rods 13 are respectively hinged to the two fixed blocks 7, and the two sliding blocks 10 are provided with a bolt installation gun 15. A fixed shaft 16 is fixedly provided on the middle part of the centering block 9, and the middle part of the rotating rod 12 is rotatably provided on the fixed shaft 16. Two movable rods 8 parallel to each other are provided on the fixed block 7. The two adjustment rods 13 connected to the rotating rod 12 are arranged in a central symmetrical manner. A through hole is provided on the fixed block 7, and the movable rod 8 is slidably provided in the through hole and cooperates with the through hole. Limiting protrusions are provided on both ends of the movable rod 8. Among them, the two fixed blocks 7 are fixed on the sliding seat 4 for installing the movable rod 8, and two parallel movable rods 8 are provided between the two fixed blocks 7. Two sliding holes are provided on the two fixed blocks 7. The two ends of the movable rod 8 are arranged in the sliding holes of the two fixed blocks 7. The two ends of the movable rod 8 are provided with limiting protrusions. Under the action of the limiting protrusions, the movable rod 8 will not slide off the fixed block 7. Movable rod 8 is used to mount centering block 9 and sliding block 10. Sliding block 10, via conventional floating adjustment component 14, secures a conventional bolt gun 15, used to tighten screws. Floating adjustment component 14 allows for floating adjustment of the bolt gun 15's position. Under the action of rotating rod 12 and adjusting rod 13, centering block 9 is always positioned directly between the two fixed blocks 7. Centering block 9 is connected to sliding block 10 via connecting rod 11, ensuring that bolt gun 15 always engages with the bolt holes on the rear hood of the vehicle. Fixed shaft 16 is used to mount rotating rod 12. The two ends of rotating rod 12 are symmetrically positioned, with the axis of fixed shaft 16 as the centerline. The two adjusting rods 13 are also centrally positioned. The upper end of mounting bracket 1 is connected to the vehicle's crane.
[0027] In some embodiments, the lower end of the mounting bracket 1 is connected to the fixed block 7 through a sliding adjustment assembly, the sliding adjustment assembly includes an anti-slip slider 2, an anti-slip rail 3, a sliding seat 4, a limit block 5 and a reset member 6, the anti-slip slider 2 is fixedly provided on both sides of the lower end of the mounting bracket 1, the anti-slip rail 3 is slidably provided on the anti-slip slider 2 and cooperates with the anti-slip slider 2, the sliding seat 4 is fixedly provided on the anti-slip rail 3, and the limit blocks 5 that cooperate with the two ends of the anti-slip rail 3 are provided on both sides of the sliding seat 4, one end of the reset member 6 is fixedly connected to the limit block 5, and the other end of the reset member 6 is fixedly connected to the anti-slip slider 2. The anti-slip rail 3 and the movable rod 8 are arranged parallel to each other. The reset member 6 is a reset spring. Wherein, the two ends of the lower side of the mounting bracket 1 are connected to the sliding seat 4 by the anti-slip slider 2 and the anti-slip rail 3 respectively, and the sliding seat 4 is used for installation. The limit block 5 has two functions: one is to prevent the anti-slip slider 2 from detaching from the two ends of the anti-slip slide rail 3; the other is to install the reset member 6, which is a reset spring in the prior art. Under the action of the reset spring, the anti-slip slider 2 can automatically slide to the middle of the anti-slip slide rail 3.
[0028] In some embodiments, the bolt installation gun 15 is connected to the sliding block 10 through the floating adjustment component 14. The floating adjustment component 14 is a prior art. Under the action of the floating adjustment component 14, the bolt installation gun 15 can better tighten the screw.
[0029] In the description of the present invention, it should be understood that the terms "upper", "lower", "bottom", "one end", "top", "middle", "the other end", "coaxial", "one side", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0030] In the present invention, unless otherwise clearly stipulated and limited, the terms "setting", "installation", "connection", "fixation", "hinge" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.
[0031] The above description is merely a preferred embodiment of the present invention. It should be understood that the present invention is not limited to the form disclosed herein and should not be construed as excluding other embodiments. Instead, the present invention can be used in various other combinations, modifications, and environments and can be modified within the scope of the concept described herein through the above teachings or techniques or knowledge in the relevant fields. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention are intended to be protected by the claims appended hereto.
Claims
1. The automatic centering device for the rear cover of an automobile is characterized by: The invention comprises a mounting bracket (1), a fixed block (7), a movable rod (8), a centering block (9), a sliding block (10), a connecting rod (11), a rotating rod (12), an adjusting rod (13) and a bolt mounting gun (15), wherein the fixed blocks (7) are arranged on both sides of the lower end of the mounting bracket (1), the movable rod (8) is slidably arranged on the two fixed blocks (7), the centering block (9) and the sliding block (10) are slidably arranged on the movable rod (8), two sliding blocks (10) are arranged between the two fixed blocks (7), and the two sliding blocks (10) are arranged on the movable rod (8). They are fixedly arranged on both ends of the connecting rod (11), the centering block (9) is fixedly arranged on the middle part of the connecting rod (11), and the centering block (9) and the sliding block (10) do not rotate relative to the fixed block (7). The middle part of the rotating rod (12) is rotatably arranged on the centering block (9), the two ends of the rotating rod (12) are respectively hinged to one end of the two adjusting rods (13), and the other ends of the two adjusting rods (13) are respectively hinged to the two fixed blocks (7), and the two sliding blocks (10) are provided with the bolt installation gun (15).
2. The automatic centering device for the rear cover of an automobile according to claim 1, characterized in that: A fixed shaft (16) is fixedly arranged on the middle portion of the centering block (9), and a middle portion of the rotating rod (12) is rotatably arranged on the fixed shaft (16).
3. The automatic centering device for the rear cover of an automobile according to claim 1 or 2, characterized in that: The fixed block (7) is provided with two movable rods (8) parallel to each other.
4. The automatic centering device for the rear cover of an automobile according to claim 1, characterized in that: The lower end of the mounting bracket (1) is connected to the fixed block (7) through a sliding adjustment component. The sliding adjustment component includes an anti-slip slider (2), an anti-slip rail (3), a sliding seat (4), a limit block (5) and a reset member (6). The anti-slip slider (2) is fixedly provided on both sides of the lower end of the mounting bracket (1). The anti-slip rail (3) is slidably provided on the anti-slip slider (2) and cooperates with the anti-slip slider (2). The sliding seat (4) is fixedly provided on the anti-slip rail (3). The limit blocks (5) that cooperate with the two ends of the anti-slip rail (3) are provided on both sides of the sliding seat (4). One end of the reset member (6) is fixedly connected to the limit block (5), and the other end of the reset member (6) is fixedly connected to the anti-slip slider (2).
5. The automatic centering device for the rear cover of an automobile according to claim 4, characterized in that: The anti-slip slide rail (3) and the movable rod (8) are arranged parallel to each other.
6. The automatic centering device for the rear cover of an automobile according to claim 4, characterized in that: The reset member (6) is a reset spring.
7. The automatic centering device for the rear cover of an automobile according to claim 1 or 2, characterized in that: The two adjusting rods (13) connected to the rotating rod (12) are arranged in a centrally symmetrical manner.
8. The automatic centering device for a rear cover of an automobile according to claim 1 or 2, characterized in that: The fixed block (7) is provided with a through hole, and the movable rod (8) is slidably arranged in the through hole and cooperates with the through hole.
9. The automatic centering device for the rear cover of an automobile according to claim 8, characterized in that: Limiting protrusions are provided on both ends of the movable rod (8).
10. The automatic centering device for the rear cover of an automobile according to claim 1 or 2, characterized in that: The bolt installation gun (15) is connected to the sliding block (10) via a floating adjustment component (14).