Rear goods shelf welding tool

By designing a rear shelf welding tool that includes a workbench, a bottom plate and a trapezoidal groove, and using the cooperation of guide rods and memory springs, the problem of complicated and loose fixing equipment in the existing technology is solved, and the outer frame of the rear shelf is realized. Stable fixing and quality assurance of the welded finished product.

CN222370743UActive Publication Date: 2025-01-21CHONGQING SHIYE TECH DEV CO LTD
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Patent Information

Application Number
CN202420304562.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-19
Publication Date
2025-01-21
Estimated Expiration
2034-02-19

AI Technical Summary

Technical Problem

The existing rear shelf welding tool fixing equipment is complicated, the fixing effect is poor, and it is prone to loosening. When workers shake hands, it is easy to cause inclination and deviation when welding between the welding pipe and the main body, resulting in unqualified welding products.

Method used

A rear shelf welding tool is designed, which includes a workbench, a bottom plate and a trapezoidal groove. There are first and second fixing blocks inside the trapezoidal groove. Through the cooperation of the guide rod and the memory spring, the outer frame of the rear shelf is firmly fixed. And through the setting of welding blocks, the inclination and offset of the welded pipe are prevented.

Benefits of technology

It effectively strengthens the fixation of the outer frame of the rear shelf to prevent loosening, protect workers' hands, and ensure the quality of the welded products.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222370743U_ABST
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Abstract

The utility model relates to the technical field of rear goods shelf welding, in particular to a rear goods shelf welding tool which comprises a workbench and a bottom plate, the bottom plate is installed on the upper surface of the workbench, a trapezoidal groove is formed in the upper surface of the bottom plate, a first fixing block is arranged in the trapezoidal groove, and a rectangular block is arranged on the surface, away from the first fixing block, of the bottom plate. Compared with the prior art, the rear goods shelf outer frame fixing device has the advantages that the structure is reasonable, fixing of the rear goods shelf outer frame is further enhanced, the loosening phenomenon during welding is prevented, the problem that a worker needs to firmly weld a pipe with hands is solved due to the arrangement of the welding blocks, the possibility of inclination is prevented, and the two hands of the worker are protected.
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Description

Technical Field

[0001] The utility model relates to the technical field of rear shelf welding, in particular to a rear shelf welding tool. Background Art

[0002] Rear rack welding is an important part of bicycles. Bicycles all use a welded integrated rear rack design, which further improves the stability and stability of the vehicle, while also allowing for greater load capacity and greater compatibility. In short, rear rack welding is crucial to the stability and load capacity of electric vehicles.

[0003] Many welding tools now still have some shortcomings, for example: the fixing equipment is complicated and the fixing effect is not good, looseness may occur during welding, and if the worker has hand shaking, the welding pipe and the main body may be tilted or offset when welding, making the finished welding product unqualified. Therefore, a rear shelf welding tool with further strengthened fixing and anti-shake is needed. Utility Model Content

[0004] The utility model aims to provide a rear shelf welding tool to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rear shelf welding tool, comprising: a workbench and a base plate, the base plate is installed on the upper surface of the workbench, a trapezoidal groove is opened on the upper surface of the base plate, a first fixed block is arranged inside the trapezoidal groove, and a rectangular block is arranged on the surface of the base plate away from the first fixed block.

[0006] Preferably, a second fixing block is arranged inside the trapezoidal groove away from the bottom surface of the first fixing block, and the second fixing block is between the first fixing block and the rectangular block, and the second fixing block is not in a fixed relationship with the bottom surface inside the trapezoidal groove.

[0007] Preferably, U-shaped clamps are installed on the vertical surfaces opposite to each other of the first fixed block and the second fixed block, a welding block is provided on the bottom surface inside the trapezoidal groove, a guide rod is penetrated by one of the vertical surfaces of the first fixed block away from the U-shaped clamp, and the second fixed block and the rectangular block are penetrated by the guide rod, and a circle of first memory spring is sleeved on the rod body of the guide rod located between the first fixed block and the second fixed block.

[0008] Preferably, an L-shaped push rod is installed at the vertical surface of the first memory spring of the second fixed block, a groove is provided at the intersection of the L-shaped push rod and the bottom plate, an L-shaped sleeve is provided at the bottom surface inside the groove, a cylindrical tube is penetrated at the short vertical surface of the groove away from the L-shaped push rod, and a second memory spring is installed at the circular surface of the cylindrical tube away from the L-shaped push rod.

[0009] Preferably, a rotating rod is provided at the bottom surface inside the trapezoidal groove, an elliptical block is penetrated through the rod body of the rotating rod, a mounting plate is provided on the arc surface of the upper end of the rotating rod, and a rocker is installed on the vertical surface of the mounting plate away from the rotating rod.

[0010] Preferably, a plurality of welding pipe placement grooves are provided on the upper surface of the welding block.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the utility model has a reasonable structure, further strengthens the fixation of the outer frame of the rear shelf, prevents loosening during welding, and the setting of the welding block solves the situation where workers need to use their hands to stabilize the welding pipe, prevents the possibility of tilting, and protects the workers' hands. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 This is a schematic diagram of the top view of the structure of the first fixing block of the utility model.

[0014] Figure 3 It is a schematic diagram of the connection structure of the elliptical block of the utility model.

[0015] Figure 4 This is a schematic diagram of the internal structure of the cylindrical tube of the utility model

[0016] In the figure: 1. workbench; 2. bottom plate; 3. trapezoidal groove; 4. first fixing block; 5. rectangular block; 6. second fixing block; 7. U-shaped clamp; 8. welding block; 9. guide rod; 10. first memory spring; 11. L-shaped push rod; 12. groove; 13. L-shaped sleeve; 14. cylindrical tube; 15. second memory spring; 16. rotating rod; 17. elliptical block; 18. mounting plate; 19. rocker; 20. welding pipe placement groove. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figures 1 to 4The utility model provides a technical solution: a rear shelf welding tool, comprising: a workbench 1 and a bottom plate 2, the bottom plate 2 is installed on the upper surface of the workbench 1, a trapezoidal groove 3 is opened on the upper surface of the bottom plate 2, a first fixing block 4 is arranged inside the trapezoidal groove 3, a rectangular block 5 is arranged on the surface of the bottom plate 2 away from the first fixing block 4, and the rectangular block 5 is in a fixed relationship with the upper surface of the bottom plate 2.

[0019] Furthermore, a second fixing block 6 is provided inside the trapezoidal groove 3 away from the bottom surface of the first fixing block 4 , and the second fixing block 6 is between the first fixing block 4 and the rectangular block 5 , and the second fixing block 6 is not in a fixed relationship with the bottom surface inside the trapezoidal groove 3 .

[0020] Furthermore, U-shaped clamps 7 are installed at the vertical surfaces opposite to each other of the first fixed block 4 and the second fixed block 6, a welding block 8 is arranged at the bottom surface inside the trapezoidal groove 3, a guide rod 9 is penetrated at one of the vertical surfaces of the first fixed block 4 away from the U-shaped clamp 7, and the second fixed block 6 and the rectangular block 5 are penetrated by the guide rod 9, and a penetrating circular notch is opened at the intersection of the second fixed block 6 and the guide rod 9, a circle of first memory spring 10 is sleeved on the rod body of the guide rod 9 between the first fixed block 4 and the second fixed block 6, and the first memory spring 10 is not in a fixed relationship with the guide rod 9, and the two ends of the first memory spring 10 are respectively connected to the vertical surfaces of the first fixed block 4 and the second fixed block 6.

[0021] Furthermore, an L-shaped push rod 11 is installed at the vertical surface of the first memory spring 10 of the second fixed block 6, a groove 12 is provided at the intersection of the L-shaped push rod 11 and the bottom plate 2, an L-shaped sleeve 13 is provided at the bottom surface inside the groove 12, a cylindrical tube 14 is penetrated at the short vertical surface of the groove 12 away from the L-shaped push rod 11, and a second memory spring 15 is installed at the circular surface of the cylindrical tube 14 away from the L-shaped push rod 11.

[0022] Furthermore, a rotating rod 16 is provided at the bottom surface inside the trapezoidal groove 3. The rotating rod 16 and the bottom surface of the trapezoidal groove 3 are not in a fixed relationship, and the rotating rod 16 passes through the bottom surface of the trapezoidal groove 3. A bearing is provided at the intersection of the two. An elliptical block 17 is provided through the rod body of the rotating rod 16. The elliptical block 17 is fixed on the rod body of the rotating rod 16. A mounting plate 18 is provided on the arc surface of the upper end of the rotating rod 16, and a rocker 19 is installed on the vertical surface of the mounting plate 18 away from the rotating rod 16.

[0023] Furthermore, a plurality of welding pipe placement grooves 20 are provided on the upper surface of the welding block 8 .

[0024] Working principle: When the device is working, first place the rectangular ring sleeve on the inner ring of the L-shaped fixed plate on the upper surface of the U-shaped clamp 7 and the bottom plate 2, and then use the rocker 19 to rotate 90 degrees clockwise to make the vertical elliptical block 17 become parallel. During the rotation, the elliptical block 17 will push the second fixed block 6 to move toward the first fixed block 4. When the second fixed block 6 moves, the L-shaped push rod 11 will push the L-shaped sleeve 13 to be pushed and moved. After the elliptical block 17 completely becomes parallel, the rectangular ring sleeve will be clamped, and then the welding pipe will be placed in the welding pipe placement groove 20, and then welding can be carried out.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A rear shelf welding tool, comprising a workbench (1) and a bottom plate (2), characterized in that: A bottom plate (2) is installed on the upper surface of the workbench (1), a trapezoidal groove (3) is provided on the upper surface of the bottom plate (2), a first fixing block (4) is arranged inside the trapezoidal groove (3), and a rectangular block (5) is arranged on the surface of the bottom plate (2) away from the first fixing block (4).

2. The rear shelf welding tool according to claim 1, characterized in that: A second fixing block (6) is arranged inside the trapezoidal groove (3) away from the bottom surface of the first fixing block (4), and the second fixing block (6) is located between the first fixing block (4) and the rectangular block (5), and the second fixing block (6) is not in a fixed relationship with the bottom surface inside the trapezoidal groove (3).

3. The rear shelf welding tool according to claim 2, characterized in that: U-shaped clamps (7) are installed at mutually opposing vertical surfaces of the first fixing block (4) and the second fixing block (6); a welding block (8) is arranged at the bottom surface inside the trapezoidal groove (3); a guide rod (9) is penetrated through one of the vertical surfaces of the first fixing block (4) away from the U-shaped clamp (7); the second fixing block (6) and the rectangular block (5) are penetrated by the guide rod (9); a circle of first memory spring (10) is sleeved on the rod body of the guide rod (9) located between the first fixing block (4) and the second fixing block (6).

4. The rear shelf welding tool according to claim 2, characterized in that: An L-shaped push rod (11) is installed at the vertical surface of the first memory spring (10) of the second fixed block (6); a groove (12) is provided at the intersection of the L-shaped push rod (11) and the bottom plate (2); an L-shaped sleeve (13) is provided at the bottom surface inside the groove (12); a cylindrical tube (14) is penetrated at the short vertical surface of the groove (12) away from the L-shaped push rod (11); a second memory spring (15) is installed at the circular surface of the cylindrical tube (14) away from the L-shaped push rod (11).

5. The rear shelf welding tool according to claim 1, characterized in that: A rotating rod (16) is arranged on the bottom surface inside the trapezoidal groove (3); an elliptical block (17) is arranged through the rod body of the rotating rod (16); a mounting plate (18) is arranged on the arc surface of the upper end of the rotating rod (16); and a rocker (19) is installed on the vertical surface of the mounting plate (18) away from the rotating rod (16).

6. The rear shelf welding tool according to claim 3, characterized in that: A plurality of welding pipe placement grooves (20) are provided on the upper surface of the welding block (8).