Hand-held electric welding machine capable of protecting eyes

By designing a split-type removable goggle mechanism, combined with the main body of the welding torch, the problems of hand pain and inconvenience caused by the traditional welding torch protective cover are solved, and a higher welding accuracy is achieved.

CN222830899UActive Publication Date: 2025-05-06ZHEJIANG TENGYANG ELECTRIC CO LTD
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Patent Information

Application Number
CN202421793137.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-05-06
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

Traditional welding torch protective covers can cause pain in the hands when held for a long time, and cannot cooperate with both hands to perform more accurate welding operations.

Method used

An eye protection handheld welding machine is designed, which includes a welding torch body and a split removable goggle mechanism. The goggle protection mechanism includes goggle lenses, frame rings and protective covers. The limit connection with the welded nozzle tube is achieved through spline fitting and nut parts, freeing the operator's hands and reducing the burden on holding the protective covers.

Benefits of technology

It effectively solves the problem of hand pain caused by the operator's long-term hand holding protective cover, frees up one-hand operation, and improves the accuracy of welding.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222830899U_ABST
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Abstract

The utility model provides an eye protection handheld electric welding machine, and belongs to the field of electric welding machines. The problem that a protective cover needs to be manually supported by one hand during welding work is solved. The eye protection handheld electric welding machine comprises an electric welding machine body and an eye protection mechanism which is installed on the electric welding machine body and used for eye protection, the eye protection mechanism is of a split type detachable structure and is arranged on the electric welding machine body, a welding nozzle pipe is arranged on the electric welding machine body, and the eye protection mechanism comprises an eye protection lens, a frame ring and a protection cover. The goggle lens is fixedly installed in the frame ring, a connecting sleeve which is conveniently connected to an electric welding gun body in a limiting mode is arranged at the center of the goggle lens, the welding nozzle pipe is of a step-shaped structure, an external thread structure is arranged on the peripheral wall of the welding nozzle pipe, and the connecting sleeve and the welding nozzle pipe are in mutual radial limiting connection through a spline matching structure. And limiting and fixing are realized through matching of the nut piece and the external thread of the welding pipe. The eye protection mask has the advantage of eye protection.
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Description

Technical Field

[0001] The utility model belongs to the field of electric welding machines, and relates to a handheld electric welding machine, in particular to an eye-protection handheld electric welding machine. Background Art

[0002] Electric welding is very harmful to health, including ultraviolet and infrared rays produced by high-temperature arc light, iron oxide, silicon oxide, manganese oxide and fluoride in welding aerosol, sparks flying and smoke spreading during welding, which can cause great harm to workers.

[0003] Traditional welding gun protective covers are mostly handheld. When welding, operators hold the protective cover for a long time, which will cause hand soreness, high work intensity, and inability to coordinate both hands to perform more precise welding operations. Summary of the invention

[0004] The purpose of the utility model is to provide an eye protection handheld electric welder to solve the above problems existing in the prior art.

[0005] The purpose of the utility model can be achieved by the following technical solutions: an eye protection handheld electric welder, characterized in that it includes an electric welding gun body and an eye protection mechanism installed on the welding gun body and used for eye protection, the eye protection mechanism is a split and detachable structure arranged on the electric welding gun body, and the electric welding gun body is provided with a welding nozzle tube for facilitating the connection of welding rods;

[0006] The eye protection mechanism includes a goggles for eye protection, a frame ring for mounting the goggles, and a protective cover for spark splash protection;

[0007] The goggles are fixedly installed in the frame ring, and a connecting sleeve is arranged at the center of the goggles to facilitate position-limiting connection to the welding gun body, and the welding nozzle tube is arranged in a stepped structure;

[0008] An external thread structure is provided on the outer peripheral wall of the welding nozzle tube. The connecting sleeve and the welding nozzle tube are radially limitedly connected to each other through a spline matching structure, and the nut piece is matched with the external thread of the welding tube to achieve limited fixation.

[0009] In the above-mentioned handheld welding machine with eye protection, the cross section of the protective cover is an "eight"-shaped structure arranged on the frame ring, and the protective cover and the frame ring are arranged as an integrally formed structure.

[0010] In the above-mentioned handheld electric welder with eye protection, a plurality of spline grooves for radial limiting are provided on the inner circumferential wall of the connecting sleeve, and a plurality of spline parts cooperating with the spline grooves are provided at corresponding positions on the outer circumferential wall of the welding nozzle tube, and the spline grooves and the spline parts are connected in a concave-convex structure.

[0011] In the above-mentioned hand-held welding machine for eye protection, a protective patch for preventing the goggles from being damaged by welding sparks is attached to the corresponding end of the goggles, and the protective patch and the goggles are both arranged in a transparent structure.

[0012] In the above-mentioned hand-held electric welder with eye protection, a welding pipe for welding is connected to the end of the welding nozzle pipe, and the welding pipe is a detachable structure arranged at the end of the welding nozzle pipe.

[0013] Compared with the prior art, the present handheld welding machine with eye protection has a reasonable structural design. The eye protection mechanism and the welding gun body are separated and detachable, which can effectively solve the problem of operators holding the protective cover for a long time. During the welding process, the operators do not need to hold the protective cover, freeing the operators from one-handed operation and greatly improving the welding accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the eye protection handheld electric welding machine.

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the welding gun main body of the eye protection handheld welding machine.

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the eye protection mechanism of the eye protection handheld electric welding machine.

[0017] In the figure, 1. welding gun body; 2. eye protection mechanism; 3. welding nozzle tube; 4. goggles; 5. frame ring; 6. protective cover; 7. connecting sleeve; 8. spline groove; 9. spline part. DETAILED DESCRIPTION

[0018] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0019] like Figure 1 , Figure 2 , Figure 3As shown, the present hand-held electric welding machine with eye protection comprises an electric welding gun body 1 and an eye protection mechanism 2 installed on the welding gun body and used for eye protection. The eye protection mechanism 2 is a split and detachable structure arranged on the electric welding gun body 1. The electric welding gun body 1 is provided with a welding nozzle tube 3 for convenient connection of welding rods. The eye protection mechanism 2 comprises goggles 4 for eye protection, a frame ring 5 for installing the goggles 4, and a protective cover 6 for spark splash protection. The goggles 4 are fixedly installed in the frame ring 5. A connection member 6 is provided at the center of the goggles 4 for convenient limit connection to the electric welding gun body 1. The sleeve 7, the welding nozzle tube 3 is arranged in a stepped structure, and an external thread structure is arranged on the outer peripheral wall of the welding nozzle tube 3. The connecting sleeve 7 and the welding nozzle tube 3 are radially limitedly connected to each other through a spline matching structure, and the nut is matched with the external thread of the welding tube to achieve limited fixation. The structure is reasonably designed, and the eye protection mechanism 2 and the electric welding gun body 1 are arranged in a split and detachable structure, which can effectively solve the problem of the operator holding the protective cover 6 for a long time, so that the operator does not need to hold the protective cover 6 during the welding work, freeing the operator from the one-handed operation, and greatly improving the welding accuracy.

[0020] To elaborate further, in order to prevent welding sparks from flying, the protective cover 6 has an "eight"-shaped cross section and is arranged on the frame ring 5. The protective cover 6 and the frame ring 5 are arranged as an integrally formed structure.

[0021] To further elaborate, in order to improve the connection stability between the eye protection mechanism 2 and the electric welding gun body 1 and facilitate disassembly, a plurality of spline grooves 8 for radial limiting are opened on the inner circumferential wall of the connecting sleeve 7, and a plurality of spline parts 9 that cooperate with the spline grooves 8 are arranged at corresponding positions on the outer circumferential wall of the welding nozzle tube 3, and the spline grooves 8 and the spline parts 9 are connected with a concave-convex structure.

[0022] To elaborate further, in order to prevent sparks from damaging the goggles 4 during welding, protective patches are attached to the corresponding ends of the goggles 4 to prevent welding sparks from damaging the goggles 4. Both the protective patches and the goggles 4 are transparent structures.

[0023] Preferably, a welding pipe for welding is connected to the end of the welding nozzle tube 3 , and the welding pipe is a detachable structure arranged at the end of the welding nozzle tube 3 .

[0024] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0025] Although the terms such as welding gun body 1, eye protection mechanism 2, welding nozzle tube 3, eye protection lens 4, frame ring 5, protective cover 6, connecting sleeve 7, spline groove 8, spline member 9 are used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A handheld welding machine with eye protection, characterized in that: The invention comprises an electric welding gun body (1) and an eye protection mechanism (2) installed on the welding gun body and used for eye protection, wherein the eye protection mechanism (2) is a split and detachable structure arranged on the electric welding gun body (1), and the electric welding gun body (1) is provided with a welding nozzle tube (3) for facilitating the connection of welding rods; The eye protection mechanism (2) comprises an eye protection lens (4) for eye protection, a frame ring (5) for mounting the eye protection lens (4), and a protective cover (6) for spark splash protection; The goggles (4) are fixedly mounted in the frame ring (5); a connecting sleeve (7) is provided at the center of the goggles (4) for facilitating position-limited connection to the welding gun body (1); and the welding nozzle tube (3) is provided in a stepped structure; An external thread structure is provided on the outer peripheral wall of the welding nozzle tube (3); the connecting sleeve (7) and the welding nozzle tube (3) are connected to each other in a radially limited manner via a spline matching structure, and are fixed in a limited manner via a nut member matching the external thread of the welding tube.

2. The eye protection handheld welding machine according to claim 1, characterized in that: The protective cover (6) has an "eight"-shaped cross section and is arranged on the frame ring (5); the protective cover (6) and the frame ring (5) are arranged as an integrally formed structure.

3. The eye protection handheld welding machine according to claim 1, characterized in that: The inner peripheral wall of the connecting sleeve (7) is provided with a plurality of spline grooves (8) for radial limiting, and the outer peripheral wall of the welding nozzle tube (3) is provided with a plurality of spline parts (9) that cooperate with the spline grooves (8) at corresponding positions, and the spline grooves (8) and the spline parts (9) are connected in a concave-convex structure.

4. The eye protection handheld welding machine according to claim 1, characterized in that: A protective patch for preventing welding sparks from damaging the goggles (4) is adhered to the corresponding end of the goggles (4); the protective patch and the goggles (4) are both transparent structures.

5. The eye protection handheld welding machine according to claim 1, characterized in that: A welding pipe for welding is connected to the end of the welding nozzle pipe (3); the welding pipe is a detachable structure arranged at the end of the welding nozzle pipe (3).