A hand-held welding torch device for welding of metal materials

Abstract

The application provides a handheld welding gun device for metal material welding, which comprises a welding gun body, a moving device connected with the welding gun body, an angle adjusting mechanism connected with the moving device, and a handle device comprising a handle, a pinion, a rack, a belt, a first bevel gear, a second bevel gear, a first worm wheel, a first worm and a rotating disc; the handle is connected with a limiting device comprising a spring, a limiting rod and an L-shaped rod. The first worm is rotated by the rotating disc, so as to drive the first worm wheel and the second bevel gear to rotate, and then drive the first bevel gear and the pinion to rotate; the two racks are moved in opposite directions by the rotation of the pinion, so as to adjust the tightness of the belt, avoid the falling of the device, drive the L-shaped rod by the push rod, so that the limiting rod is separated from the limiting groove, the handle is separated from the plug block, the handle is disassembled, the belt is tightened, and the belt is not too long to be easily stored.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metal material welding auxiliary device, and mainly relates to a handheld welding gun device for metal material welding. BACKGROUND

[0002] Metal material refers to a material with luster, ductility, easy conductivity, heat conduction and the like. Generally, it is divided into two kinds of black metal and non-ferrous metal. The black metal includes iron, chromium, manganese and the like. Among them, steel is the basic structural material, which is called "the skeleton of industry". With the progress of science and technology, various new chemical materials and new non-metallic materials are widely used, so that the substitutes of steel are increasing, and the demand for steel is relatively decreasing. However, so far, the leading position of steel in the composition of industrial raw materials is still difficult to replace. The metal material often needs to use a handheld welding gun during welding processing.

[0003] The existing patent with the patent number CN209532377U discloses a handheld welding gun device for metal material welding. The distance between the welding gun body and the handle is adjusted by the connecting rod driving the welding gun body to lift, and the self-locking is completed by the roller clamping into the gap between the protrusions, so that the use height of the welding gun body can be adjusted according to different types of welding wires, the burning diffusion of the welding wire is avoided to scald the operator, and the use range of the welding gun is expanded. However, the device is difficult to tightly connect the hand of the user with the welding gun body, which is easy to make the welding gun body separate from the hand, so as to cause the welding gun body to fall to the ground and be damaged. In addition, when the handle and the welding gun body need to be disassembled and separated for repairing the handle or the welding gun body and storing the device, the repairing difficulty is increased and the storage is not convenient. Therefore, it is necessary to design a handheld welding gun device for metal material welding to solve the above problems. SUMMARY

[0004] The present application aims to provide a handheld welding gun device for metal material welding to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a handheld welding gun device for metal material welding, comprising a welding gun body, a moving device connected to one side of the welding gun body, an angle adjusting mechanism connected to one side of the moving device, and a handle device connected to one side of the angle adjusting mechanism. The handle device comprises a handle connected to one side of the angle adjusting mechanism, a pinion gear rotatably connected to one side of the handle, a rack meshingly connected to both sides of the pinion gear, and a belt connected to one side of one of the racks. One side of the belt is connected to the handle.

[0006] The small gear is connected with a first bevel gear on one side, the first bevel gear is engaged with a second bevel gear on one side, the second bevel gear is connected with a first worm gear on one side, the first worm gear is engaged with a first worm on one side, and the first worm is connected with a rotating disc on both sides.

[0007] The handle is connected with a limiting device on one side, the limiting device comprises a spring connected with the handle on one side and a limiting rod connected with the spring on one side, the limiting rod is matched with the angle adjusting mechanism, the limiting rod is connected with an L-shaped rod on one side, and the L-shaped rod is matched with a rack.

[0008] In the application, the first worm and the first worm gear are matched to form self-locking, the first worm gear is prevented from rotating by itself, the rotation of the small gear facilitates the movement of the two racks in opposite directions, the tightness of the belt is adjusted, the back of the hand is fixed, and the device is prevented from falling off, when one of the racks moves to one end, the rack extrudes the L-shaped rod to make the limiting rod separate from the angle adjusting mechanism, and the device is facilitated to be disassembled.

[0009] Further, a push rod is fixed on one side of the rack away from the belt, and a first inclined edge is arranged on one side of the push rod;

[0010] A second inclined edge is arranged on one side of the top of the L-shaped rod, and the second inclined edge is matched with the first inclined edge.

[0011] In the application, the first inclined edge and the second inclined edge are matched to facilitate the push rod to push the L-shaped rod, and the L-shaped rod is facilitated to move.

[0012] Further, the moving device comprises a fixing seat connected with one side of the welding gun body, a screw rod rotatably connected with one side of the fixing seat, and a C-shaped seat penetratingly connected with one side of the screw rod.

[0013] In the application, the rotation of the screw rod facilitates the movement of the C-shaped seat, and the position of the handle is facilitated to be adjusted.

[0014] Further, the angle adjusting mechanism comprises a rotating seat rotatably connected with one side of the C-shaped seat, a second worm gear connected with the bottom of the rotating seat, a second worm engaged with one side of the second worm gear, the second worm is rotatably connected with the C-shaped seat on both sides, and a knob is fixed on one side of the second worm.

[0015] In the application, the second worm and the second worm gear are matched to form self-locking, and the second worm gear is prevented from rotating by itself.

[0016] Further, a T-shaped sliding block is fixed on one side of the rack.

[0017] T-shaped sliding grooves are arranged on both sides of the handle, and the groove bodies of the T-shaped sliding grooves are slidingly connected with the T-shaped sliding blocks.

[0018] In the application, the T-shaped sliding groove and the T-shaped sliding block improve the stability of the rack and avoid the rack from shaking.

[0019] Further, one side of the handle is provided with a slot.

[0020] One side of the rotating seat is fixed with an insertion block, and the insertion block is matched with the slot body of the slot.

[0021] In the application, the slot and the insertion block facilitate the positioning of the handle.

[0022] Further, one side of the insertion block is provided with a limiting slot, the slot body of the limiting slot is matched with a limiting rod, and the limiting rod is slidingly connected with the slot body of the handle.

[0023] In the application, the limiting slot and the limiting rod facilitate the limiting of the position of the insertion block, so that the insertion block is connected with the handle.

[0024] Further, one side of the handle is provided with an opening, one side of the opening is rotatably connected with a roller, and the roller is matched with a belt.

[0025] In the application, the roller reduces the friction between the handle and the belt, and avoids the belt from being worn and disconnected.

[0026] Further, one side of the lead screw is fixed with a rotating rod, one side of the rotating rod is fixed with a cross rod, and the cross rod and the rotating rod form a T-shaped structure.

[0027] In the application, the cross rod and the rotating rod form a T-shaped structure, which facilitates the rotation of the lead screw by the user.

[0028] Further, an anti-skid pattern is arranged on the outer wall of the rotating disc, and one side of the rotating disc is located outside the handle.

[0029] In the application, the anti-skid pattern facilitates the pushing of the rotating disc by the user, so that the rotating disc rotates.

[0030] Compared with the prior art, the application has the following beneficial effects:

[0031] The application adjusts the position of the handle by rotating the screw rod to drive the C-shaped seat, the rotating seat and the handle, adjusts the angle of the handle by rotating the knob to drive the second worm gear, the second worm wheel and the rotating seat, and then drives the handle to rotate, adjusts the tightness of the belt by rotating the disc to drive the first worm gear, the first worm wheel, the second bevel gear, the first bevel gear and the pinion, and then drives the two racks to move in opposite directions, thereby adjusting the tightness of the belt, fixing the back of the hand, avoiding the device from falling off, driving the push rod to push the L-shaped rod, so that the limiting rod is separated from the limiting groove, the handle is separated from the insertion block, the handle is disassembled, the belt is tightened, the belt is not too long to be easily stored, the device can adjust the position and angle of the handle, the user can adjust according to his own habits, improve the comfort of the user, disassemble the handle, store conveniently, adjust the tightness of the belt, and make the belt close to the hand to avoid the device from falling off. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a schematic view of the whole structure of the application;

[0033] Figure 2 It is a schematic view of the whole structure of the application;

[0034] Figure 3 It is Figure 2 the enlarged view of A in the middle;

[0035] Figure 4 It is a sectional view of the whole of the application;

[0036] Figure 5 It is a sectional view of the whole of the application;

[0037] Figure 6 It is Figure 5 the enlarged view of B in the middle;

[0038] Figure 7 It is a sectional view of the whole of the application;

[0039] Figure 8 It is a sectional view of the whole of the application;

[0040] Figure 9 It is a sectional view of the whole of the application;

[0041] Figure 10 It is Figure 9 the enlarged view of C in the middle.

[0042] In the figure: 10, the welding torch body; 20, the moving device; 21, the fixed seat; 22, the screw rod; 23, the C-shaped seat; 231, the cross rod; 30, the angle adjusting mechanism; 31, the rotating seat; 311, the plug; 3111, the limiting groove; 32, the second worm gear; 33, the second worm; 331, the knob; 40, the handle device; 41, the handle; 411, the T-shaped sliding groove; 412, the roller; 413, the slot; 42, the pinion; 43, the rack; 431, the T-shaped sliding block; 432, the first bevel; 44, the first bevel gear; 45, the second bevel gear; 46, the first worm gear; 47, the first worm; 48, the rotating disc; 49, the belt; 50, the limiting device; 51, the spring; 52, the limiting rod; 53, the L-shaped rod; 531, the second bevel. DETAILED DESCRIPTION

[0043] In order to facilitate the understanding of the present application, the present application will be described in more detail below with reference to the relevant drawings, which show several embodiments of the present application. However, the present application can be realized in different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0044] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for the purpose of illustration only.

[0045] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. All publications, patent applications, patents, and other references mentioned herein are incorporated by reference in their entirety.

[0046] Embodiment, please refer to the attached Figures 1-10 A handheld welding torch device for welding metal material, comprising a welding torch body 10, one side of the welding torch body 10 is connected with a moving device 20, one side of the moving device 20 is connected with an angle adjusting mechanism 30, one side of the angle adjusting mechanism 30 is connected with a handle device 40, the handle device 40 comprises a handle 41 connected to one side of the angle adjusting mechanism 30, a pinion 42 rotatably connected to one side of the inside of the handle 41, a rack 43 meshingly connected to both sides of the pinion 42 and a belt 49 connected to one side of one of the racks 43, one side of the belt 49 is connected with the handle 41.

[0047] The small gear 42 is connected with a first bevel gear 44 on one side, the first bevel gear 44 is engaged with a second bevel gear 45 on one side, the second bevel gear 45 is connected with a first worm gear 46 on one side, the first worm gear 46 is engaged with a first worm 47 on one side, and the first worm 47 is connected with a rotating disc 48 on both sides;

[0048] The handle 41 is connected with a limiting device 50 on one side, the limiting device 50 comprises a spring 51 connected with one side of the handle 41 and a limiting rod 52 connected with one side of the spring 51, the limiting rod 52 is matched with the angle adjusting mechanism 30, the limiting rod 52 is connected with an L-shaped rod 53 on one side, and the L-shaped rod 53 is matched with a rack 43.

[0049] It should be noted that in the embodiment, the first worm 47 is matched with the first worm gear 46 to form self-locking, avoiding self-rotation of the first worm gear 46, after the user holds the handle 41, the rotating disc 48 can be rotated by the thumb or the other hand, the user rotates the first worm 47 through the rotating disc 48, so as to drive the first worm gear 46 and the second bevel gear 45 to rotate, and then drive the first bevel gear 44 and the small gear 42 to rotate, the two racks 43 are moved in opposite directions through the rotation of the small gear 42, so as to adjust the tightness of the belt 49, and the hand back is fixed, avoiding the falling of the device, when the rack 43 far away from the belt 49 is moved to one end close to the L-shaped rod 53, the rack 43 extrudes the L-shaped rod 53 to make the limiting rod 52 separate from the angle adjusting mechanism 30, so as to make the handle 41 separate from the angle adjusting mechanism 30, and the handle 41 is disassembled, at this time, the other rack 43 is moved to the other end, and the belt 49 can be tightened, avoiding the overlength of the belt 49 leading to the difficulty in storage.

[0050] Embodiment, please refer to the attached Figure 8 The rack 43 far away from the belt 49 is fixed with a push rod on one side, and the push rod is provided with a first inclined edge 432 on one side;

[0051] The L-shaped rod 53 is provided with a second inclined edge 531 on one side of the top, and the second inclined edge 531 is matched with the first inclined edge 432.

[0052] It should be noted that in the embodiment, the first inclined edge 432 is matched with the second inclined edge 531 to facilitate the push rod to push the L-shaped rod 53, so as to facilitate the movement of the L-shaped rod 53, and then the limiting rod 52 is moved to separate from the angle adjusting mechanism 30, and the handle 41 is disassembled.

[0053] Embodiment, please refer to the attached Figure 2 and Figure 4The mobile device 20 comprises a fixed seat 21 connected to one side of the welding gun body 10, a screw rod 22 rotatably connected to one side of the fixed seat 21, and a C-shaped seat 23 penetratingly connected to one side of the screw rod 22.

[0054] It should be noted that in the embodiment, the C-shaped seat 23 is moved by rotating the screw rod 22, so as to drive the angle adjusting mechanism 30 and the handle 41 to move, thereby adjusting the position of the handle 41.

[0055] Embodiment, please refer to the accompanying drawings Figures 2-3 The angle adjusting mechanism 30 comprises a rotating seat 31 rotatably connected to one side of the C-shaped seat 23, a second worm gear 32 connected to the bottom of the rotating seat 31, a second worm 33 meshingly connected to one side of the second worm gear 32, and the C-shaped seat 23 rotatably connected to two sides of the second worm 33. A knob 331 is fixed to one side of the second worm 33.

[0056] It should be noted that in the embodiment, the second worm 33 cooperates with the second worm gear 32 to form self-locking, so as to avoid the second worm gear 32 from rotating by itself. The second worm 33 is driven to rotate by the knob 331, so as to drive the second worm gear 32 and the rotating seat 31 to rotate, thereby driving the handle 41 to rotate, and adjusting the angle of the handle 41.

[0057] Embodiment, please refer to the accompanying drawings Figure 7 One side of the rack 43 is fixedly provided with a T-shaped sliding block 431.

[0058] Both sides of the handle 41 are provided with T-shaped sliding grooves 411, and the groove bodies of the T-shaped sliding grooves 411 are slidingly connected with the T-shaped sliding block 431.

[0059] It should be noted that in the embodiment, the T-shaped sliding grooves 411 and the T-shaped sliding block 431 cooperate to improve the stability of the rack 43, so as to avoid the rack 43 from shaking.

[0060] Embodiment, please refer to the accompanying drawings Figure 4 One side of the handle 41 is provided with a slot 413.

[0061] One side of the rotating seat 31 is fixedly provided with an insertion block 311, which cooperates with the groove body of the slot 413.

[0062] It should be noted that in the embodiment, the slot 413 and the insertion block 311 cooperate to facilitate positioning the position of the handle 41, so as to facilitate quick installation of the handle 41.

[0063] Embodiment, please refer to the accompanying drawings Figure 6The insertion block 311 is provided with a limiting slot 3111 on one side, the slot body of the limiting slot 3111 is matched with the limiting rod 52, and the limiting rod 52 is in sliding connection with the slot body of the handle 41.

[0064] It should be noted that in the embodiment, the limiting slot 3111 is matched with the limiting rod 52 to limit the position of the insertion block 311, so that the insertion block 311 is connected with the handle 41, and the handle 41 is prevented from being separated from the rotating seat 31.

[0065] Embodiment, please refer to the accompanying drawings Figure 10 The handle 41 is provided with an opening on one side, the opening is rotatably connected with a roller 412 on one side, and the roller 412 is matched with the belt 49.

[0066] It should be noted that in the embodiment, the roller 412 reduces the friction between the handle 41 and the belt 49, so that the belt 49 is prevented from being abraded and disconnected, and the service life of the belt 49 is improved.

[0067] Embodiment, please refer to the accompanying drawings Figure 2 The screw rod 22 is fixed with a rotating rod on one side, the rotating rod is fixed with a cross rod 231 on one side, and the cross rod 231 and the rotating rod form a T-shaped structure.

[0068] It should be noted that in the embodiment, the cross rod 231 and the rotating rod form a T-shaped structure, so that the user can hold the cross rod 231 and rotate the screw rod 22 through the cross rod 231.

[0069] Embodiment, please refer to the accompanying drawings Figures 8-9 The outer wall of the rotating disc 48 is provided with anti-skid lines, and the rotating disc 48 is located outside the handle 41 on one side.

[0070] It should be noted that in the embodiment, the anti-skid lines facilitate the user to push the rotating disc 48 from the outside of the handle 41, so that the rotating disc 48 rotates.

[0071] The specific operation mode of the application is as follows:

[0072] The application rotates the screw rod 22 through the cross rod 231, so as to drive the C-shaped seat 23 to move, and then drive the rotating seat 31 and the handle 41 to rotate, so as to adjust the position of the handle 41, then the second worm 33 is rotated through the knob 331, so as to drive the second worm wheel 32 and the rotating seat 31 to rotate, and then drive the handle 41 to rotate, so as to adjust the angle of the handle 41.

[0073] When the user holds the handle 41, the first worm 47 is rotated by the rotating disc 48, thereby driving the first worm wheel 46 and the second bevel gear 45 to rotate, and then driving the first bevel gear 44 and the pinion 42 to rotate, and the two racks 43 are moved in opposite directions by the rotation of the pinion 42, thereby adjusting the tightness of the belt 49, facilitating the fixation of the back of the hand, and avoiding the falling of the device;

[0074] When the handle 41 needs to be disassembled, the rack 43 away from the belt 49 is moved to the end close to the L-shaped rod 53, the push rod pushes the L-shaped rod 53, thereby making the limiting rod 52 disengage from the limiting groove 3111, facilitating the disassembly of the handle 41 from the plug-in block 311, and realizing the disassembly of the handle 41, at this time, the other rack 43 moves to the other end, and the belt 49 can be tightened, avoiding the overlong belt 49 leading to the difficulty in storage.

[0075] The above describes the present application by way of example with reference to the accompanying drawings, and it is obvious that the specific implementation of the present application is not limited by the above method, as long as the method concept and technical solution of the present application are adopted for such non-essential improvement, or the concept and technical solution of the present application are directly applied to other occasions without improvement, which are all within the protection scope of the present application.

Claims

1. A handheld welding gun device for welding metal materials, comprising a welding gun body (10), characterized in that: One side of the welding gun body (10) is connected to a moving device (20), one side of the moving device (20) is connected to an angle adjustment mechanism (30), one side of the angle adjustment mechanism (30) is connected to a handle device (40), the handle device (40) comprises a handle (41) connected to one side of the angle adjustment mechanism (30), a small gear (42) rotatably connected to one side of the handle (41), a rack (43) meshingly connected to both sides of the small gear (42) and a strap (49) connected to one side of the rack (43), and one side of the strap (49) is connected to the handle (41); One side of the pinion gear (42) is connected to a first bevel gear (44), one side of the first bevel gear (44) is meshed with a second bevel gear (45), one side of the second bevel gear (45) is connected to a first worm gear (46), one side of the first worm gear (46) is meshed with a first worm (47), and both sides of the first worm (47) are connected to a rotating disk (48); One side of the handle (41) is connected to a limiting device (50), and the limiting device (50) includes a spring (51) connected to one side of the handle (41) and a limiting rod (52) connected to one side of the spring (51), and the limiting rod (52) cooperates with the angle adjustment mechanism (30). One side of the limiting rod (52) is connected to an L-shaped rod (53), and the L-shaped rod (53) cooperates with a rack (43); A push rod is fixed on one side of the rack (43) away from the strap (49), and a first oblique edge (432) is provided on one side of the push rod; a second oblique edge (531) is provided on one side of the top of the L-shaped rod (53), and the second oblique edge (531) matches the first oblique edge (432); The moving device (20) comprises a fixed seat (21) connected to one side of the welding gun body (10), a screw rod (22) rotatably connected to one side of the fixed seat (21), and a C-shaped seat (23) penetratingly connected to one side of the screw rod (22); The angle adjustment mechanism (30) includes a rotating seat (31) rotatably connected to one side of the C-shaped seat (23), a second worm gear (32) connected to the bottom of the rotating seat (31), a second worm (33) meshingly connected to one side of the second worm gear (32), both sides of the second worm (33) being rotatably connected to the C-shaped seat (23), and a knob (331) being fixed to one side of the second worm (33); A slot (413) is provided on one side of the handle (41); an insert block (311) is fixed on one side of the rotating seat (31), and the insert block (311) matches the groove body of the slot (413); A limiting groove (3111) is provided on one side of the insert block (311), the groove body of the limiting groove (3111) cooperates with the limiting rod (52), and the limiting rod (52) is slidably connected to the groove body of the handle (41).

2. The handheld welding gun device for metal material welding according to claim 1, characterized in that: A T-shaped slider (431) is fixed to one side of the rack (43); T-shaped sliding grooves (411) are provided on both sides of the interior of the handle (41), and the groove body of the T-shaped sliding groove (411) is slidably connected to the T-shaped sliding block (431).

3. The handheld welding gun device for metal material welding according to claim 1, characterized in that: One side of the handle (41) is provided with an opening, and one side of the opening is rotatably connected to a roller (412), and the roller (412) is matched with a strap (49).

4. The handheld welding gun device for metal material welding according to claim 1, characterized in that: A rotating rod is fixed to one side of the screw rod (22), a cross rod (231) is fixed to one side of the rotating rod, and the cross rod (231) and the rotating rod form a T-shaped structure.

5. The handheld welding gun device for metal material welding according to claim 1, characterized in that: The outer wall of the rotating disk (48) is provided with anti-slip grooves, and one side of the rotating disk (48) is located outside the handle (41).

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