CN215966784U

CN215966784U - Portable gas welding gun

Info

Publication number: CN215966784U
Application number: CN202121940803.7U
Authority: CN
Inventors: 蒋海翔
Original assignee: Xiangshan Changyu Tools Co ltd
Current assignee: Xiangshan Changyu Tools Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-08
Anticipated expiration: 2031-08-18

Abstract

The application discloses portable gas welding gun, including the spear body, the spear body includes first rifle body section and second rifle body section, the one end of first rifle body section is provided with first link, the one end of second rifle body section is provided with the second link, the lateral wall of first link sets up a plurality of evenly distributed's draw-in groove along the circumferencial direction, the terminal surface lateral part of second link is provided with evenly distributed's fixture block along the circumferencial direction, be suitable for between first rifle body section and the second rifle body section to dismantle the connection through draw-in groove and fixture block. The beneficial effect of this application: when needs use, through make up into the long rifle body with first rifle body section and second rifle body section and use, and when need not use, through dismantling into first rifle body section and second rifle body section with the long rifle body to conveniently carry.

Description

Portable gas welding gun

Technical Field

The application relates to the field of welding processing, in particular to a portable gas welding gun.

Background

The gas welding gun is a welding device which uses combustible gas to carry out high-pressure concentrated combustion to generate high temperature and is widely applied to the fields of machining, mechanical maintenance and the like.

With the development of technology, portable small-sized gas welding guns are widely used in daily life. The small gas welding gun mainly comprises a gun body and a gas supply device, wherein the gas supply device rapidly sprays combustible gas from the gun body through a supercharger arranged on the gas supply device so as to burn. The length of the gun body of the existing small-sized gas welding gun is different according to the using environment, and the gun body is long-rod type and short-rod type, wherein the long-rod type gun body is long, so that the gun body is inconvenient to carry. There is a need for a portable, long stick type gas torch.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a portable gas welding torch, through dividing into the rifle body two sections of detachable to improve gas welding torch's portability.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: the utility model provides a portable gas welding torch, includes the long rifle body, the long rifle body includes first rifle body section and second rifle body section, the one end of first rifle body section is provided with first link, the one end of second rifle body section is provided with the second link, the lateral wall of first link sets up a plurality of evenly distributed's draw-in groove along the circumferencial direction, the terminal surface lateral part of second link is provided with a plurality of evenly distributed's fixture block along the circumferencial direction, first rifle body section with be suitable for between the second rifle body section to pass through the draw-in groove with the connection can be dismantled to the fixture block to through detachable the rifle body structure, in order to improve the portability of the long rifle body.

Preferably, at least one side of the clamping groove in the circumferential direction of the first connecting end is provided with an inclined first inclined surface, two sides of the clamping block are provided with inclined third inclined surfaces, and the third inclined surfaces are suitable for being matched with the first inclined surfaces, so that the first gun body section and the second gun body section can be detached through rotation. It will be appreciated that the driving force required to disassemble the first gun body segment and the second gun body segment may be reduced by the press fit of the inclined third ramp and the first ramp.

Preferably, the side wall of the first connecting end is further provided with a plurality of L-shaped communicating grooves which are uniformly distributed, the depth of each communicating groove is smaller than that of the clamping groove, one end of each communicating groove is communicated with the first inclined surface, the other end of each communicating groove is communicated with the end face of the first connecting end, and the clamping block is suitable for being matched with the clamping groove along the communicating grooves. It can be understood that, through the communicating groove, the deformation amount required when the clamping block is separated from or connected with the clamping groove can be reduced, so that the driving force required when the first gun body segment and the second gun body segment are connected or disconnected is further reduced.

Preferably, an inclined second inclined surface is arranged on the side portion of the end surface of the first connecting end, an inclined fourth inclined surface is arranged at the front end of the clamping block, and the clamping block is suitable for being clamped with the clamping groove through the matching of the fourth inclined surface and the second inclined surface. It can be understood that, by the cooperation of the inclined fourth inclined surface and the inclined second inclined surface, the driving force required when the fixture block presses the first connection end can be reduced.

Preferably, one side of the clamping groove close to the end of the first connecting end is a first clamping surface, the rear end surface of the clamping block is a second clamping surface, the first clamping surface is a plane perpendicular to the axis of the first connecting end, and the second clamping surface is a plane perpendicular to the axis of the second connecting end; when the clamping block is clamped with the clamping groove, the first clamping surface is abutted to the second clamping surface, so that sufficient axial connecting force is provided for the first gun body section and the second gun body section, and the long gun body is prevented from being loosened in use.

Preferably, a sealing groove and a positioning groove which are communicated with each other are arranged in the first connecting end, the sealing groove is communicated with the end part of the first connecting end, and the diameter of the sealing groove is larger than that of the positioning groove; the end face of the second connecting end is fixedly provided with a positioning sleeve and a sealing ring, and the sealing ring is positioned at the bottom of the outer side of the positioning sleeve;

when first rifle body section with when the second rifle body section is connected, the position sleeve with the constant head tank cooperatees, the sealing ring with the seal groove cooperatees, and the preceding terminal surface of sealing ring with form a sealed chamber between the step face of seal groove, install the elasticity sealing washer in the sealed chamber, through the sealing washer can be guaranteed first rifle body section with leakproofness when the second rifle body section is connected.

Preferably, the other end of the first gun body segment is provided with a nozzle, and the first gun body segment and the second gun body segment are both internally provided with vent holes, so that when the first gun body segment and the second gun body segment are connected, the vent holes of the first gun body segment and the second gun body segment are communicated, and high-pressure gas flows to the nozzle through the vent holes.

Compared with the prior art, the beneficial effect of this application lies in:

divide into first rifle body section and second rifle body section through the long rifle body with traditional to between first rifle body section and the second rifle body section, draw-in groove through on the first link and the fixture block formation detachable connection structure on the second link, thereby when using, through make up into the rifle body with first rifle body section and second rifle body section in order to use, and when not needing to use, through dismantling into first rifle body section and second rifle body section with the long rifle body, thereby conveniently carry.

Drawings

FIG. 1 is a schematic view of the gun body connection of the present invention;

FIG. 2 is a schematic structural view of a first connection end of the present invention;

FIG. 3 is a cross-sectional view of the first link end of the present invention;

FIG. 4 is a schematic structural view of a second connection end of the present invention;

FIG. 5 is a cross-sectional view of a second connection end of the present invention;

fig. 6 is a sectional view showing the first and second connection terminals connected to each other in the present invention;

FIG. 7 is an enlarged view taken at section A of FIG. 6 in accordance with the present invention;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 6 in accordance with the present invention;

FIG. 9 is an enlarged view of the utility model at section C of FIG. 8;

FIG. 10 is a schematic view of the gun body of the present invention installed;

in the figure: the long gun body 1, the vent hole 100, the first gun body segment 11, the first connecting end 110, the clamping groove 111, the first inclined surface 1111, the first engaging surface 1112, the communicating groove 112, the second inclined surface 113, the sealing groove 114, the step surface 1140, the positioning groove 115, the second gun body segment 12, the second connecting end 120, the connecting plate 121, the clamping block 122, the third inclined surface 1221, the fourth inclined surface 1222, the second engaging surface 1223, the positioning sleeve 123, the sealing ring 124, the nozzle 130, and the sealing ring 200.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Fig. 1 to 10 illustrate one embodiment of the present application, which include a long gun body 1, where the long gun body 1 includes a first gun body section 11 and a second gun body section 12, where one end of the first gun body section 11 is provided with a first connection end 110, a plurality of clamping grooves 111 uniformly distributed are arranged on a side wall of the first connection end 110 along a circumferential direction, and one end of the second gun body section 12 is provided with a second connection end 120, and a side portion of an end surface of the second connection end 120 along the circumferential direction is provided with clamping blocks 122 equal in number to the clamping grooves 111 and uniformly distributed, and specific numbers of the clamping grooves 111 and the clamping blocks 122 may be adjusted according to actual needs, for example, as illustrated in fig. 8, the number of the clamping grooves 111 and the clamping blocks 122 is four. Through the mutual matching between the clamping groove 111 and the clamping block 122, a detachable connecting structure is formed between the first gun body segment 11 and the second gun body segment 12, so that when welding processing is required, the clamping block 122 on the second connecting end 120 is matched with the clamping groove 111 on the first connecting end 110, and the first gun body segment 11 and the second gun body segment 12 are combined into a complete long gun body 1 for use; after the processing is completed, the locking block 122 on the second connecting end 120 can be separated from the locking groove 111 on the first connecting end 110, so as to divide the integral long gun body 1 into the first gun body segment 11 and the second gun body segment 12 which are convenient to carry.

It will be appreciated that the gas torch of the present application also includes a gas supply, which is not shown since it is the same as the prior art.

In this embodiment, as shown in fig. 2 to 4, an inclined second inclined surface 113 is disposed on a side portion of an end surface of the first connection end 110, and an inclined fourth inclined surface 1222 is disposed at a front end of the clamping block 122, so that when the first barrel body segment 11 and the second barrel body segment 12 are connected, the clamping block 122 is engaged with the second inclined surface 113 on the end surface of the first connection end 110 through the fourth inclined surface 1222, and thus, through the inclined surface structure, the clamping block 122 can be deformed conveniently to slide along a side wall of the first connection end 110 to engage with the clamping groove 111, so as to reduce a driving force required when the clamping block 122 presses the first connection end 110.

In the present embodiment, as shown in fig. 1, 3, 5 and 6, the other end of the first body segment 11 is provided with a nozzle 130, and the inside of the first body segment 11 and the second body segment 12 are provided with vent holes 100, so that when the first body segment 11 and the second body segment 12 are connected, the vent holes 100 of the first body segment 11 and the second body segment 12 are communicated, and high-pressure gas in the gas supply device is ejected along the nozzle 130 through the vent holes 100 to be combusted.

In one embodiment of the present application, as shown in fig. 2, 4 and 8, at least one side of the card slot 111 along the circumferential direction of the first connection end 110 is provided with an inclined first inclined surface 1111, and both sides of the latch 122 are provided with inclined third inclined surfaces 1221, so that when the card slot 111 and the latch 122 are engaged, the third inclined surfaces 1221 are just engaged with the first inclined surfaces 1111; therefore, when the long gun body 1 is disassembled, the first gun body segment 11 can be rotated to enable the first inclined surface 1111 of the clamping groove 111 to extrude the third inclined surface 1221 of the clamping block 122, and further through mutual extrusion and matching between the inclined surfaces, the driving force required when the first gun body segment 11 and the second gun body segment 12 are disassembled can be reduced, so that the long gun body 1 can be conveniently disassembled; meanwhile, compared with the traditional pulling detachment mode, the rotating detachment mode is more convenient to operate.

In this embodiment, as shown in fig. 8, the inclination angles of the first inclined surface 1111 and the third inclined surface 1221 are equal to each other and are α, α represents an included angle between an axial projection line of the third inclined surface 1221 and a line connecting an end point of the projection line close to the outer side of the fixture block 122 and the center of the second connection end 120, and the value range of α is 30 ° to 60 °; it is understood that the specific value of the angle α can be determined by those skilled in the art according to actual needs.

In one embodiment of the present application, as shown in fig. 2, 8 to 10, an L-shaped communication groove 112 is formed in a side wall of each of the card slots 111, the depth of the communication groove 112 is smaller than that of the card slot 111, one end of the communication groove 112 communicates with the first inclined surface 1111, and the other end of the communication groove 112 communicates with an end surface of the first connection end 110; so that the latch 122 can be slid into the catch groove 111 along the communication groove 112 or the latch 122 can be slid out of the catch groove 111 along the communication groove 112 when the first body segment 11 and the second body segment 12 are attached or detached. Through the L-shaped communicating groove 112, the connecting portion of the clamping groove 111 and the clamping block 122 in the axial direction can be affected, and meanwhile, the required deformation of the clamping block 122 when the clamping block 122 is separated from the clamping groove 111 or connected with the clamping groove 111 can be reduced through the communicating groove 112, so that the driving force required when the first gun body segment 11 and the second gun body segment 12 are connected or detached is further reduced.

It can be understood that, as shown in fig. 10, when the first barrel segment 11 and the second barrel segment 12 are connected, the latch 122 on the second connecting end 120 may be aligned with one end of the communicating groove 112, then the second connecting end 120 or the first connecting end 110 is axially pressed, so that the latch 122 slides along one section of the communicating groove 112 to one side of the slot 111, and then the first connecting end 110 or the second connecting end 120 is rotated circumferentially, so that the latch 122 slides along the other section of the communicating groove 112 into the slot 111. When the first body segment 11 and the second body segment 12 are disassembled, the process can be reversed. The arrows in the figure indicate the driving direction.

In one embodiment of the present application, as shown in fig. 3, fig. 5, fig. 6 and fig. 7, a first engaging surface 1112 is disposed on a side of the slot 111 near the end of the first connecting end 110, and a second engaging surface 1223 is disposed on a rear end surface of the latch 122, where the first engaging surface 1112 is a plane perpendicular to an axis of the first connecting end 110, and the second engaging surface 1223 is a plane perpendicular to an axis of the second connecting end 120; when the engaging block 122 engages with the engaging groove 111, the first engaging surface 1112 and the second engaging surface 1223 abut against each other, so as to provide a sufficient axial connecting force for the first gun body segment 11 and the second gun body segment 12, thereby preventing the long gun body 1 from being loosened during use.

It can be understood that, when the gas welding gun is used, the long gun body 1 is used for ejecting high-pressure gas in the gas supply device from the nozzle 130 through the vent holes 100, and the pressure of the high-pressure gas on the long gun body 1 is uniformly distributed on the inner wall of the long gun body 1 and along the radial direction and the axial direction of the long gun body 1, so that when the first gun body segment 11 and the second gun body segment 12 are connected, the connection in the axial direction is only ensured to be reliable.

In one embodiment of the present application, as shown in fig. 3, 4, 5, 6 and 7, the first connection end 110 is provided with a sealing groove 114 and a positioning groove 115 communicated with each other inside, wherein the sealing groove 114 is communicated with an end of the first connection end 110, and a diameter of the sealing groove 114 is greater than a diameter of the positioning groove 115, so that a step 1140 is formed between the sealing groove 114 and the positioning groove 115; meanwhile, the end surface of the second connecting end 120 is fixedly provided with a positioning sleeve 123 and a sealing ring 124, wherein the sealing ring 124 is located at the bottom of the outer side of the positioning sleeve 123, so that when the first gun body segment 11 and the second gun body segment 12 are connected, the positioning sleeve 123 is matched with the positioning groove 115, the sealing ring 124 is matched with the sealing groove 114, a sealing cavity is formed between the front end surface of the sealing ring 124 and the step surface 1140, the elastic sealing ring 200 is installed in the sealing cavity, the sealing performance when the first gun body segment 11 and the second gun body segment 12 are connected can be ensured through the sealing ring 200, and meanwhile, the elastic deformation force generated when the first gun body segment 11 and the second gun body segment 12 are connected can be also passed through the sealing ring 200, so that the first engaging surface 1112 on the engaging groove 111 is kept against the second engaging surface 1223 on the engaging block 122.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a portable gas welding torch, includes the long rifle body, its characterized in that: the long gun body comprises a first gun body section and a second gun body section, a first connecting end is arranged at one end of the first gun body section, a second connecting end is arranged at one end of the second gun body section, a plurality of clamping grooves which are uniformly distributed are formed in the side wall of the first connecting end along the circumferential direction, a plurality of clamping blocks which are uniformly distributed are arranged on the side wall of the second connecting end along the circumferential direction, and the first gun body section and the second gun body section are suitable for being connected in a detachable mode through the clamping grooves and the clamping blocks.

2. The portable gas welding torch according to claim 1, wherein: the clamping groove is provided with an inclined first inclined surface along at least one side of the circumferential direction of the first connecting end, inclined third inclined surfaces are arranged on two sides of the clamping block, and the third inclined surfaces are suitable for being matched with the first inclined surfaces, so that the first gun body section and the second gun body section can be detached through rotation.

3. A portable gas welding torch as defined in claim 2 wherein: the side wall of the first connecting end is further provided with a plurality of L-shaped communicating grooves which are evenly distributed, the depth of each communicating groove is smaller than that of the corresponding clamping groove, one end of each communicating groove is communicated with the first inclined surface, the other end of each communicating groove is communicated with the end face of the first connecting end, and the clamping block is suitable for being matched with the clamping groove along the communicating grooves.

4. A portable gas welding torch according to any one of claims 1 to 3 wherein: an inclined second inclined plane is arranged on the side portion of the end face of the first connecting end, an inclined fourth inclined plane is arranged at the front end of the clamping block, and the clamping block is suitable for being clamped with the clamping groove through the extrusion matching of the fourth inclined plane and the second inclined plane.

5. The portable gas welding torch according to claim 4, wherein: one side of the clamping groove close to the end part of the first connecting end is a first clamping surface, the rear end surface of the clamping block is a second clamping surface, the first clamping surface is a plane perpendicular to the axis of the first connecting end, the second clamping surface is a plane perpendicular to the axis of the second connecting end, and when the clamping block is clamped with the clamping groove, the first clamping surface and the second clamping surface are abutted.

6. The portable gas welding torch according to claim 5, wherein: a sealing groove and a positioning groove which are communicated are arranged in the first connecting end, the sealing groove is communicated with the end part of the first connecting end, and the diameter of the sealing groove is larger than that of the positioning groove, so that a step surface is formed between the sealing groove and the positioning groove; the end face of the second connecting end is fixedly provided with a positioning sleeve and a sealing ring, and the sealing ring is positioned at the bottom of the outer side of the positioning sleeve;

when first rifle body section with when second rifle body section is connected, the position sleeve with the constant head tank cooperatees, the sealing ring with the seal groove cooperatees, and the preceding terminal surface of sealing ring with form a sealed chamber between the step face, install elastic seal circle in the sealed chamber, the sealing ring is suitable for right first rifle body section with the connection of second rifle body section is sealed.

7. The portable gas welding torch according to claim 1, wherein: the other end of the first gun body segment is provided with a nozzle, the inside of the first gun body segment and the second gun body segment is provided with a vent hole, and when the first gun body segment is connected with the second gun body segment, the vent holes on the first gun body segment and the second gun body segment are communicated with each other, so that high-pressure gas flows to the nozzle through the vent holes.