Deformable oxygen-free welding gun
By setting multiple air inlets and cross-arranged gas delivery channels on the oxygen-free welding torch handle, the problem of poor gas supply caused by compression or contact with the gas pipe is solved, enabling flexible adjustment of the gas pipe and ensuring welding results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-03-20
AI Technical Summary
The gas pipe of the existing oxygen-free welding torch cannot be flexibly adjusted in angle and is prone to excessive bending due to squeezing or bumping, resulting in uneven gas supply and affecting the welding effect.
Design a deformable oxygen-free welding torch. By setting multiple air inlets and detachable gas connectors on the handle, it allows for flexible selection of air inlets at different positions for connecting gas pipes. Furthermore, the gas supply channels are arranged in a triangular and cross pattern to prevent excessive bending of the gas pipes and ensure smooth gas supply.
It enables flexible adjustment of the gas pipe and smooth gas supply, ensures good welding results, and avoids gas supply problems caused by squeezing or bumping.
Smart Images
Figure CN224018397U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to welding torch technical field, especially in a kind of deformable oxygenless welding torch. BACKGROUND
[0002] Oxygenless welding torch is a kind of welding tool using oxygen in air and gas in gas pipe (such as bendable stainless steel hose) to form heat source.
[0003] At present, most of oxygenless welding torch only has one gas inlet for connecting gas pipe, therefore, gas pipe cannot be flexibly adjusted its extension angle during welding, if workbench, various auxiliary welding tools and welding pieces in welding site interfere with gas pipe, such as extruding or touching gas pipe, it causes gas pipe to cause gas supply to be not smooth due to excessive bending or deformation, and further affect welding effect. SUMMARY
[0004] Therefore, the utility model provides a kind of deformable oxygenless welding torch to solve the above problems, can flexibly select the first gas inlet or the second gas inlet in different welding use scene, and be used for external gas pipe, and further ensure that gas pipe supplies gas smoothly.
[0005] To achieve the above object, the utility model provides the technical scheme as follows:
[0006] The utility model provides a kind of deformable oxygenless welding torch, including handle, the connector of being connected to the one end of the handle and the nozzle pipe assembly of being connected to the one end of the connector away from the handle, the gas delivery channel for conveying gas is arranged in the handle, the gas delivery channel includes gas outlet, first gas inlet and second gas inlet, the first gas inlet and the second gas inlet are respectively equipped with detachable gas connector, the gas outlet is communicated with the inner chamber of the connector;The first gas inlet, the second gas inlet and the gas outlet are arranged in triangle, when using, the gas connector is assembled in the first gas inlet or the second gas inlet, so that only one gas inlet is used to connect gas pipe, and another gas inlet is blocked.
[0007] Further, the gas delivery channel includes gas outlet pipe, first gas inlet pipe and second gas inlet pipe, the extension direction of the gas outlet pipe and the first gas inlet pipe is same straight line direction, the extension direction of the second gas inlet pipe intersects the extension direction of the first gas inlet pipe;The gas outlet pipe is communicated with the first gas inlet pipe and the second gas inlet pipe, and the first gas inlet pipe and the second gas inlet pipe are respectively provided with the first gas inlet and the second gas inlet away from the gas outlet pipe.
[0008] Further, the extension direction of the second gas inlet pipe is perpendicular to the extension direction of the first gas inlet pipe.
[0009] Further, the nozzle pipe assembly comprises a nozzle and a bendable metal hose, the metal hose is detachably sleeved on the connector, and the inner cavity of the metal hose is communicated with the inner cavity of the connector; the nozzle is assembled on one end of the metal hose away from the connector.
[0010] Further, the metal hose is a stainless steel hose.
[0011] Further, the first air inlet and / or the second air inlet is provided with a detachable plug to block the corresponding air inlet.
[0012] Further, the side of the handle away from the second air inlet is provided with an igniter.
[0013] Further, the end of the handle close to the connector is provided with an air inlet communicated with the gas conveying channel, and a rotatable adjusting ring is sleeved thereon; the circumferential wall of the adjusting ring is provided with an air passage for communicating with the air inlet, and the adjusting ring is rotated to adjust the air inlet.
[0014] Further, the ignition end of the igniter extends to the air inlet.
[0015] Further, the igniter is a piezoelectric igniter, and the piezoelectric igniter is obliquely inserted into the handle.
[0016] The technical scheme provided by the utility model has the following beneficial effects:
[0017] By arranging the first air inlet, the second air inlet and the air outlet in a triangular arrangement, the first air inlet and the second air inlet are arranged at different positions of the handle, and during use, according to different welding use scenarios, the gas connector is assembled on the first air inlet or the second air inlet to ensure that only one air inlet is used to communicate with the gas pipe, and the other air inlet is blocked, that is, by flexibly selecting the first air inlet or the second air inlet at different positions, the gas pipe is connected, and at the same time, the gas pipe is prevented from being excessively bent or deformed due to extrusion or contact, so that the gas supply of the gas pipe is smooth, and the welding effect is good. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 Fig. 2 shows a schematic view of a deformable oxygen-free welding gun when the second air inlet is blocked in the embodiment;
[0019] Figure 2 Fig. 3 shows a schematic view of a deformable oxygen-free welding gun when the first air inlet is blocked in the embodiment;
[0020] Figure 3Figure 2 shows a cross-sectional view of the deformable oxygenless welding torch in the embodiment when the first gas inlet is blocked and without the nozzle pipe assembly. DETAILED DESCRIPTION
[0021] To further illustrate the embodiments, the drawings are provided. These drawings are part of the disclosure of the present application, which mainly serve to illustrate the embodiments, and can be used to explain the operating principle of the embodiments in conjunction with the related description. With reference to these contents, those skilled in the art should be able to understand other possible implementations and the advantages of the present application. The components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.
[0022] The present application is further illustrated in conjunction with the drawings and specific embodiments.
[0023] Referring to Figures 1 to 3 As shown, the present embodiment provides a deformable oxygenless welding torch (hereinafter referred to as oxygenless welding torch), which is a welding tool that does not require a special oxygen tank, used to mix oxygen in the air with fuel gas to form a heat source, and a bendable fuel gas pipe needs to be connected to realize the supply of fuel gas during welding.
[0024] As shown in Figure 1 and Figure 2 , the oxygenless welding torch of the present embodiment comprises a handle 1, a connecting head 2 connected to the left end of the handle 1, and a nozzle pipe assembly 3 connected to the left end of the connecting head 2.
[0025] As shown in Figure 1 and Figure 3 , the handle 1 is provided with a gas conveying passage 11 for conveying fuel gas, the gas conveying passage 11 comprises a gas outlet 111, a first gas inlet 112 and a second gas inlet 113, the first gas inlet 112 and the second gas inlet 113 are respectively provided with a detachable fuel gas connector 5, the gas outlet 111 is communicated with the inner cavity of the connecting head 2, at this time the inner cavity of the nozzle pipe assembly 3, the inner cavity of the connecting head 2 and the gas conveying passage 11 are communicated to form a gas channel for conveying fuel gas, and the first gas inlet 112, the second gas inlet 113 and the gas outlet 111 are arranged in a triangular shape.
[0026] As shown in Figure 1 or Figure 2 , in use, the fuel gas connector 5 is assembled in the first gas inlet 112 or the second gas inlet 113, so that only one gas inlet is used to communicate with the fuel gas pipe, and the other gas inlet is blocked.
[0027] In the present embodiment, as shown in Figure 3As shown, the gas delivery channel 11 includes an outlet pipe 114, a first inlet pipe 115 and a second inlet pipe 116, the outlet pipe 114 and the first inlet pipe 115 extend in the same direction, the second inlet pipe 116 extends perpendicularly to the first inlet pipe 115, the inlet end of the outlet pipe 114 is in communication with the first inlet pipe 115 and the second inlet pipe 116 respectively, and forms a cross arrangement, at this time, the outlet end of the outlet pipe 114 is the gas outlet 111, and the ends of the first inlet pipe 115 and the second inlet pipe 116 away from the outlet pipe 114 are respectively provided with the first gas inlet 112 and the second gas inlet 113, so that the first gas inlet 112 and the second gas inlet 113 can be arranged at different positions of the handle 1, and the extension angle, direction and placement position of the gas pipe on the gas connector 5 at the corresponding gas inlet can be flexibly adjusted. Of course, in other embodiments, the extension direction of the second inlet pipe 116 can also cross the extension direction of the first inlet pipe 115.
[0028] By arranging the first gas inlet 112, the second gas inlet 113 and the gas outlet 111 in a triangular arrangement, the first gas inlet 112 and the second gas inlet 113 can be arranged at different positions of the handle 1, and during use, according to different welding use scenarios, the gas connector 5 is assembled to the first gas inlet 112 or the second gas inlet 113 to ensure that only one gas inlet is used for communication with the gas pipe, and the other gas inlet is blocked, that is, by flexibly selecting the first gas inlet 112 or the second gas inlet 113 at different positions, the gas pipe is connected externally, while avoiding excessive bending or deformation of the gas pipe due to extrusion or contact, so that smooth gas supply of the gas pipe can be ensured, and good welding effect can be ensured.
[0029] In another preferred embodiment, as shown in Figure 1 The nozzle pipe assembly 3 includes a nozzle 31 and a bendable metal hose 32, the metal hose 32 is detachably sleeved on the connector 2, the inner cavity of the metal hose 32 is in communication with the inner cavity of the connector 2, and the nozzle 31 is assembled to the right end of the metal hose 32 away from the connector 2.
[0030] In specific implementation, the metal hose 32 is a stainless steel hose, the first gas inlet 112 or the second gas inlet 113 is respectively provided with a detachable plug 6 corresponding to the gas connector 5, and the plug 6 and the gas connector 5 are screwed with each other. Of course, in other embodiments, the metal hose 32 can also be a copper alloy hose.
[0031] As shown in Figure 1 When the gas pipe is connected to the first gas inlet 112 through the gas connector 5, the second gas inlet 113 is blocked by the plug 6.
[0032] As shown in Figure 2As shown, when the gas pipe is connected to the second air inlet 113 through the gas joint 5, the first air inlet 112 is plugged by the plug 6.
[0033] When it is needed to switch the fixed connection position of the gas pipe on the oxygen-free welding gun, such as from the position of the first air inlet 112 to the position of the second air inlet 113, first, the gas joint 5 corresponding to the first air inlet 112 is disassembled, then the plug 6 is used to plug the first air inlet 112, then the plug 6 on the second air inlet 113 is disassembled, and the gas joint 5 is installed on the second air inlet 113, and then the gas pipe is installed on the second air inlet 113 through the gas joint 5.
[0034] More specifically, as shown in Figure 2 and Figure 3 The handle 1 is provided with an air inlet 12 communicating with the gas conveying channel 11 at the left end of the circumferential wall body of the connecting head 2, and a rotatable adjusting ring 13 is sleeved thereon, and the circumferential wall body of the adjusting ring 13 is provided with a gas passage 131 for communicating with the air inlet 12, the upper side of the handle 1 away from the second air inlet 113 is provided with an igniter 4, the ignition end of the igniter 4 extends to the air inlet 12, and the adjusting ring 13 is rotated to adjust the air inlet amount of the air inlet 12.
[0035] In the specific embodiment, the igniter 4 is a piezoelectric igniter, and the piezoelectric igniter is obliquely inserted into the handle 1.
[0036] By rotating the adjusting ring 13, the relative position between the gas passage 131 and the air inlet 12 is adjusted, that is, the circumferential wall body of the adjusting ring 13 partially or completely shields the air inlet 12, thereby adjusting the air inlet flow of the air inlet 12, and finally adjusting the flame size of the oxygen-free welding gun.
[0037] Although the utility model is specifically shown and introduced in combination with the preferred embodiments, it should be understood by those skilled in the art that various changes can be made in form and details without departing from the spirit and scope of the utility model defined in the appended claims, and all changes are within the protection scope of the utility model.
Claims
1. A deformable oxygen-free welding torch, comprising a handle, a connector connected to one end of the handle, and a nozzle tube assembly connected to the connector at the end opposite to the handle, characterized in that: The handle is provided with a gas delivery channel for delivering gas. The gas delivery channel includes a gas outlet, a first gas inlet, and a second gas inlet. The first gas inlet and the second gas inlet are respectively equipped with detachable gas connectors. The gas outlet is connected to the inner cavity of the connector. The first air inlet, the second air inlet, and the air outlet are arranged in a triangular pattern. In use, the gas connector is fitted to the first air inlet or the second air inlet so that only one air inlet is used to connect to the gas pipe, and the other air inlet is blocked.
2. The deformable oxygen-free welding torch according to claim 1, characterized in that: The gas supply channel includes an outlet pipe, a first inlet pipe, and a second inlet pipe. The outlet pipe and the first inlet pipe extend in the same straight direction, and the second inlet pipe extends in a direction that intersects the extension direction of the first inlet pipe. The outlet pipe is connected to the first inlet pipe and the second inlet pipe, respectively, and the ends of the first inlet pipe and the second inlet pipe away from the outlet pipe have the first inlet and the second inlet, respectively.
3. The deformable oxygen-free welding torch according to claim 2, characterized in that: The extension direction of the second intake pipe is perpendicular to the extension direction of the first intake pipe.
4. The deformable oxygen-free welding torch according to any one of claims 1-3, characterized in that: The nozzle assembly includes a nozzle and a flexible metal hose, the flexible metal hose being detachably fitted onto the connector and the inner cavity of the flexible metal hose communicating with the inner cavity of the connector; the nozzle is fitted onto the end of the flexible metal hose opposite to the connector.
5. The deformable oxygen-free welding torch according to claim 4, characterized in that: The metal hose is a stainless steel hose.
6. The deformable oxygen-free welding torch according to any one of claims 1-3, characterized in that: The first air inlet and / or the second air inlet are equipped with detachable plugs to seal the corresponding air inlets.
7. The deformable oxygen-free welding torch according to any one of claims 1-3, characterized in that: An igniter is mounted on the side of the handle opposite to the second air inlet.
8. The deformable oxygen-free welding torch according to claim 7, characterized in that: The handle has an air inlet at one end near the connector that connects to the air supply channel, and is fitted with a rotatable adjusting ring; the circumferential wall of the adjusting ring has a vent for connecting to the air inlet, and rotating the adjusting ring adjusts the air intake volume of the air inlet.
9. The deformable oxygen-free welding torch according to claim 8, characterized in that: The ignition end of the igniter extends to the air inlet.
10. The deformable oxygen-free welding torch according to claim 7, characterized in that: The igniter is a piezoelectric igniter, and the piezoelectric igniter is inserted at an angle into the handle.