Electric supporting and pulling device for repairing automobile metal plate

By designing an electric pulling device for automotive sheet metal repair, using the combination of electric sliding cylinder and telescopic sleeve, the problem of insufficient tensile strength of existing sheet metal repair tools is solved, and the rapid and efficient repair of sheet metal is achieved, and the use is improved. Convenience and efficiency.

CN222470290UActive Publication Date: 2025-02-14BEIJING GUARDIAN AOTONG INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202420496332.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-14
Publication Date
2025-02-14
Estimated Expiration
2034-03-14

AI Technical Summary

Technical Problem

The tensile strength of existing sheet metal repair tools is insufficient, resulting in poor repair results and time-consuming and labor-intensive.

Method used

An electric stretching device for automotive sheet metal repair is designed, using an electric sliding cylinder as the power source, combining a telescopic sleeve and a fixed sleeve to achieve a stronger tension output.

Benefits of technology

It realizes rapid repair of body sheet metal, and the electric sliding cylinder provides stronger tension, reducing repair time and physical energy consumption. At the same time, the sound silence and heat dissipation design in the device improves the convenience and efficiency of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of automobile maintenance equipment, and provides an electric supporting and pulling device for repairing an automobile metal plate, which comprises a machine body, a handle and a battery box, a handle is arranged on the right side of the bottom of the machine body, a battery box is arranged at the bottom of the handle, the battery box and the bottom of the handle are installed in a sliding mode, and a rechargeable lithium battery is arranged in the battery box; a starting switch is arranged at the top of the left side of the handle, and an adjusting switch is arranged at the top of the front side of the handle; an electric sliding cylinder is arranged in an inner cavity of the machine body, the right end of the electric sliding cylinder is connected with a rear end connector, the left end of the electric sliding cylinder is connected with a fixing sleeve, the left side of the fixing sleeve is connected with a telescopic sleeve, and by connecting related accessories, rapid repairing of a vehicle body metal plate is achieved. The structure is light and firm, flexible and reliable, and has high portability; the pulling force of the electric sliding cylinder is higher, the drawing force requirement of all metal plate maintenance can be met, and time and labor are saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile maintenance equipment, in particular to an electric supporting and pulling device for repairing automobile sheet metal. Background Art

[0002] Automotive sheet metal is a technical means of auto repair. In this respect, automotive sheet metal is equal to automotive sheet metal repair, which refers to the repair of the car body after a collision, that is, all the work except the anti-corrosion and decorative spraying work on the car body;

[0003] Stretching repair is the most common repair method for sheet metal parts, which is to use a stretching tool to pull out the sunken parts. However, the existing sheet metal repair tools do not have enough stretching strength, and often there is still no repair effect after strong stretching, and it is time-consuming and labor-intensive. Therefore, we designed a repair tool to improve the repair efficiency. For this purpose, we proposed an electric stretching device for automobile sheet metal repair. Utility Model Content

[0004] The purpose of the utility model is to provide an electric stretching device for repairing automobile sheet metal, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric stretching device for repairing automobile sheet metal, comprising a body, a handle and a battery box;

[0006] A handle is provided at the right bottom of the body, a battery box is provided at the bottom of the handle, the battery box is slidably installed between the bottom of the handle, and a rechargeable lithium battery is provided in the battery box; a start switch is provided at the top left of the handle, and an adjustment switch is provided at the top front of the handle;

[0007] The inner cavity of the fuselage is provided with an electric sliding cylinder, the right end of the electric sliding cylinder is connected to a rear end joint, the left end of the electric sliding cylinder is connected to a fixed sleeve, and the left side of the fixed sleeve is connected to a telescopic sleeve;

[0008] The fixing sleeve and the rear end joint are both provided with fixing parts at one end close to the fuselage, the four corners of the fixing parts are provided with screw holes, and fixing bolts are arranged in the screw holes, and the fixing sleeve and the rear end joint are both fixed to the fuselage by the fixing bolts.

[0009] Preferably, a silencer inner shell is arranged between the fuselage and the electric sliding cylinder, a heat dissipation terminal is arranged at the right end of the silencer inner shell, rectangular heat dissipation holes are opened at equal intervals on the heat dissipation terminal, the heat dissipation terminal is wrapped around the right end of the electric sliding cylinder, and silencer plates are arranged on the front and rear sides of the silencer inner shell.

[0010] Preferably, the silencer plate protrudes outward, and locking bolts are provided at four corners of the silencer plate, and the locking bolts are respectively connected to the silencer inner shell and the silencer plate.

[0011] Preferably, a sound-absorbing pad is provided in the middle of each of the sound-absorbing plates.

[0012] Preferably, a silencer plate heat dissipation hole is opened on the left side of the silencer plate, a heat-conducting fin is arranged in the silencer plate heat dissipation hole, and the silencer plate heat dissipation holes are all silencer holes.

[0013] Preferably, the left end of the telescopic sleeve is connected with a short additional rod, a middle additional rod and a long additional rod, and the left end of the telescopic sleeve is also connected with an outer ring joint, a plunger head, a pear-shaped clamp, an adapter, and a connecting sleeve.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1) This solution can achieve rapid repair of body sheet metal by connecting related accessories; it is powered by batteries, has a light and strong structure, is flexible and reliable, can be carried and operated by one person, and has high portability; the electric sliding cylinder has a stronger pulling force, which can meet the pulling force requirements of all sheet metal repairs, and saves time and effort;

[0016] 2) A silencer shell is provided inside the device, which has the advantages of shock absorption, silencing and good heat dissipation. The silencer pad is close to the electric sliding cylinder, which can buffer and absorb the amplitude and noise of mechanical vibration. The heat dissipation holes are all silencer holes, and heat dissipation fins are installed inside. The silencer holes are bent holes, and the inner and outer ends of the silencer holes are folded back and extended, and together with the heat dissipation fins, they form a silencer aperture, which reduces the noise during heat dissipation, which is very convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the front view of the utility model;

[0018] Figure 2 This is a schematic diagram of the connection between the electric sliding cylinder and the sleeve of the utility model;

[0019] Figure 3 It is a schematic diagram of the additional parts of the utility model;

[0020] Figure 4 This is a schematic diagram of the sound-absorbing inner shell of the utility model.

[0021] In the figure: 1 body, 2 handle, 3 battery box, 4 start switch, 5 adjustment switch, 6 rear end connector, 7 fixed sleeve, 8 telescopic sleeve, 9 electric sliding cylinder, 10 mounting part;

[0022] 11 outer ring joint, 12 plunger head, 13 pear-shaped clamp, 14 short additional rod, 15 middle additional rod, 16 long additional rod, 17 adapter, 18 connecting sleeve;

[0023] 19 silencer inner shell, 20 silencer plate, 21 heat dissipation terminal, 22 silencer pad, 23 silencer plate heat dissipation hole, 24 locking bolt. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] Example:

[0027] See also Figure 1-4 The utility model provides a technical solution for an electric stretching device for repairing automobile sheet metal: comprising a body 1, a handle 2 and a battery box 3;

[0028] Furthermore, a handle 2 is provided at the bottom right side of the body 1, a battery box 3 is provided at the bottom of the handle 2, the battery box 3 is slidably installed between the bottom of the handle 2, a rechargeable lithium battery is provided in the battery box 3, a start switch 4 is provided at the top left side of the handle 2, and an adjustment switch 5 is provided at the top front side of the handle 2;

[0029] Furthermore, the inner cavity of the fuselage 1 is provided with an electric sliding cylinder 9, the right end of the electric sliding cylinder 9 is connected to the rear end joint 6, the left end of the electric sliding cylinder 9 is connected to the fixed sleeve 7, and the left side of the fixed sleeve 7 is connected to the telescopic sleeve 8;

[0030] Furthermore, the fixing sleeve 7 and the rear end connector 6 are both provided with fixing parts 10 at one end close to the fuselage 1, and screw holes are provided at the four corners of the fixing part 10, and fixing bolts are provided in the screw holes, and the fixing sleeve 7 and the rear end connector 6 are both fixed to the fuselage 1 by the fixing bolts;

[0031] Furthermore, a silencer inner shell 19 is provided between the fuselage 1 and the electric sliding cylinder 9, and a heat dissipation terminal 21 is provided at the right end of the silencer inner shell 19, and rectangular heat dissipation holes are equidistantly provided on the heat dissipation terminal 21, and the heat dissipation terminal 21 is wrapped around the right end of the electric sliding cylinder 9;

[0032] Furthermore, a sound-absorbing plate 20 is provided on both the front and rear sides of the sound-absorbing inner shell 19, the sound-absorbing plate 20 protrudes outward, and locking bolts 24 are provided at the four corners of the sound-absorbing plate 20, and the locking bolts 24 are respectively connected to the sound-absorbing inner shell 19 and the sound-absorbing plate 20;

[0033] Furthermore, a sound-absorbing pad 22 is provided in the middle of each sound-absorbing plate 20;

[0034] The left side of the muffler plate 20 is provided with a muffler plate heat dissipation hole 23, and the muffler plate heat dissipation hole 23 is provided with a heat conducting fin, and the muffler plate heat dissipation hole 23 is a muffler hole;

[0035] Further, the left end of the telescopic sleeve 8 is connected with a short external rod 14, a middle external rod 15 and a long external rod 16, and the left end of the telescopic sleeve 8 is also connected with an outer ring joint 11, a plunger head 12, a pear-shaped clamp 13, an adapter 17, and a connecting sleeve 18;

[0036] Furthermore, the solution is a special tool for automobile sheet metal repair, wherein the telescopic sleeve 8 can be retracted and extended, and by connecting the attached parts to each other, the rapid repair of the body sheet metal can be achieved;

[0037] The additional parts include a short additional rod 14, a middle additional rod 15, a long additional rod 16, an outer ring joint 11, a plunger head 12, a pear-shaped clamp 13, an adapter 17, and a connecting sleeve 18; by docking different additional parts, the preparation work can be completed quickly, saving repair time;

[0038] Furthermore, when in use, the tool is driven by electric energy. The rechargeable lithium battery arranged in the battery box 3 can provide power for the device. At the same time, the drawer-type battery box 3 can be quickly disassembled and replaced, which is very convenient. The switch and telescopic adjustment of the electric sliding cylinder 9 are controlled by the start switch 5 and the adjustment switch 4, eliminating the traditional manual pressing method, saving time and effort. The thrust of the traditional 4t manual hydraulic cylinder is actually only 2t of safe pulling force, while the thrust / pulling force of the electric sliding cylinder 9 can reach 4-5t, which can almost meet the pulling force requirements of all sheet metal repairs, and there is no need to worry about the risk of oil leakage;

[0039] Furthermore, a sound-absorbing inner shell 19 is provided in the inner cavity of the fuselage 1. The electric sliding cylinder 9 generates mechanical noise and heat during operation. The sound-absorbing inner shell 19 can greatly reduce the propagation of noise, while also having good heat dissipation performance.

[0040] Furthermore, a silencer pad 22 is provided on the silencer inner shell 19. The silencer pad 22 is close to the electric sliding cylinder 9 and can buffer and absorb the amplitude and noise of mechanical vibration. At the same time, the heat dissipation holes 23 of the silencer plate and the rectangular heat dissipation holes on the heat dissipation end 21 are both silencer holes, and heat dissipation fins are installed inside. The silencer holes are bent holes, and the inner and outer ends of the silencer holes are bent and extended, not straight, and together with the heat dissipation fins, they form a silencer aperture, which reduces noise during heat dissipation, and is very convenient and efficient.

[0041] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric stretching device for repairing automobile sheet metal, comprising a body (1), a handle (2) and a battery box (3), characterized in that: A handle (2) is arranged on the right side of the bottom of the body (1), a battery box (3) is arranged at the bottom of the handle (2), the battery box (3) is slidably mounted between the bottom of the handle (2), and a rechargeable lithium battery is arranged in the battery box (3); a start switch (4) is arranged on the top of the left side of the handle (2), and an adjustment switch (5) is arranged on the top of the front side of the handle (2); The inner cavity of the fuselage (1) is provided with an electric sliding cylinder (9), the right end of the electric sliding cylinder (9) is connected to a rear end joint (6), the left end of the electric sliding cylinder (9) is connected to a fixed sleeve (7), and the left side of the fixed sleeve (7) is connected to a telescopic sleeve (8); The fixing sleeve (7) and the rear end joint (6) are both provided with fixing parts (10) at one end close to the fuselage (1), and screw holes are provided at four corners of the fixing part (10), and fixing bolts are provided in the screw holes, and the fixing sleeve (7) and the rear end joint (6) are both fixed to the fuselage (1) by the fixing bolts.

2. The electric stretching device for repairing automobile sheet metal according to claim 1, characterized in that: A silencer inner shell (19) is arranged between the body (1) and the electric sliding cylinder (9); a heat dissipation terminal (21) is arranged at the right end of the silencer inner shell (19); rectangular heat dissipation holes are arranged at equal intervals on the heat dissipation terminal (21); the heat dissipation terminal (21) is wrapped around the right end of the electric sliding cylinder (9); and silencer plates (20) are arranged on both the front and rear sides of the silencer inner shell (19).

3. The electric stretching device for repairing automobile sheet metal according to claim 2, characterized in that: The silencer plate (20) protrudes outwards, and locking bolts (24) are provided at four corners of the silencer plate (20), and the locking bolts (24) are respectively connected to the silencer inner shell (19) and the silencer plate (20).

4. The electric stretching device for repairing automobile sheet metal according to claim 2, characterized in that: A sound-absorbing pad (22) is arranged in the middle of each sound-absorbing plate (20).

5. The electric stretching device for repairing automobile sheet metal according to claim 2, characterized in that: The left side of the silencer plate (20) is provided with a silencer plate heat dissipation hole (23), and the silencer plate heat dissipation hole (23) is provided with a heat conducting fin, and the silencer plate heat dissipation holes (23) are all silencer holes.

6. The electric stretching device for repairing automobile sheet metal according to claim 1, characterized in that: The left end of the telescopic sleeve (8) is connected to a short external rod (14), a middle external rod (15) and a long external rod (16); the left end of the telescopic sleeve (8) is also connected to an outer ring joint (11), a plunger head (12), a pear-shaped clamp (13), an adapter (17), and a connecting sleeve (18).