CN219933966U

CN219933966U - Spray gun

Info

Publication number: CN219933966U
Application number: CN202321410702.8U
Authority: CN
Inventors: 张彦军; 朱林涛; 谭长清; 明道新; 李翩翩
Original assignee: Karamay Watson Environmental Protection Technology Co ltd
Current assignee: Karamay Watson Environmental Protection Technology Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-10-31
Anticipated expiration: 2033-06-05

Abstract

The utility model discloses a spray gun, which comprises an inner sleeve and an outer sleeve, wherein the inner sleeve is sleeved in the outer sleeve, a sealing fixing assembly is fixedly arranged on the outer wall of the outer sleeve, a protective pipe fitting is sleeved on the outer wall of the outer sleeve in a sliding manner, the protective pipe fitting is made of high-temperature resistant materials, a gun head assembly is fixedly arranged at one ends of the inner sleeve and the outer sleeve, a welding collar is fixedly welded at one end between the inner sleeve and the outer sleeve, a welding cap is fixedly welded at the other end between the inner sleeve and the outer sleeve, and a connector is fixedly sleeved at one end of the inner sleeve and one side of the bottom of the outer sleeve. The utility model utilizes the cooperation of the inner sleeve, the outer sleeve, the sealing and fixing assembly and the gun head assembly, the sealing and fixing assembly comprises a fixing sleeve, a fixing flange, a positioning bolt and a protective pipe fitting, and the fixing flange is arranged in a plane, so that the sealing and fixing assembly can be attached and fixed with the plane outside the furnace body, and the protective pipe fitting is made of high-temperature resistant materials and can be subjected to high-temperature protection.

Description

Spray gun

Technical Field

The utility model relates to the field of spray guns, in particular to a spray gun.

Background

The high-temperature combustion furnace is mainly used for heating and heat treatment of various industrial and mining enterprises, laboratory of scientific research units and laboratories, is an indispensable instrument and equipment in various laboratory, and is provided with a plurality of spray guns inside a furnace body of the high-temperature combustion furnace when the high-temperature combustion furnace works, so that the spray guns spray fuel, and flame heating can be formed inside the furnace body.

The former stage old-fashioned spray gun is connected with the high temperature combustion furnace body for flange gasket, because high temperature gasket warp, leads to sealed not tight, and old-fashioned spray gun life is shorter under the high temperature because of the material reason.

Disclosure of Invention

The present utility model is directed to a spray gun for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a spray gun, comprising:

the inner sleeve is sleeved in the outer sleeve;

the sealing and fixing assembly is fixedly arranged on the outer wall of the outer sleeve, and comprises a fixing flange and a protective pipe fitting which is sleeved on the outer wall of the outer sleeve in a sliding manner, and the protective pipe fitting is made of high-temperature resistant materials;

the gun head assembly is fixedly arranged at one ends of the inner sleeve and the outer sleeve.

Preferably, one end between the inner sleeve and the outer sleeve is fixedly welded with a welding collar, the other end between the inner sleeve and the outer sleeve is fixedly welded with a welding cap, and one end of the inner sleeve and one side of the bottom of the outer sleeve are fixedly sleeved with a connector.

Preferably, the outer wall of the outer sleeve is sheathed with a fixed sleeve in a sliding manner, one end of the outer wall of the fixed sleeve is fixedly sheathed with a fixed flange, one side thread at the top of the fixed sleeve is inserted and sheathed with a positioning bolt, the bottom of the positioning bolt is attached to the outer sleeve, and one end of the protective pipe is fixedly connected with the fixed sleeve.

Preferably, the gun head assembly comprises a spraying tongue and a spray head, the top of the outer wall of the spraying tongue is sleeved with a connecting assembly in a sliding mode, the spraying tongue is fixedly clamped at the bottom of the welding cap through the connecting assembly, and a locking nut is arranged between the spray head and the connecting assembly.

Preferably, the connecting assembly comprises a hexagonal nut, a first connecting pipe is fixedly connected to the top of the hexagonal nut, a second connecting pipe is fixedly connected to the bottom of the hexagonal nut, the outer wall of the first connecting pipe is in threaded sleeve joint with the welding cap, and the top of the outer wall of the spraying tongue is in sliding clamping connection with the top of the first connecting pipe and the inside of the welding cap.

Preferably, the outer wall of the second connecting pipe is in threaded sleeve joint with the lock nut, the bottom of the outer wall of the spray tongue and the top of the outer wall of the spray head are clamped between the lock nut and the second connecting pipe, and the bottom of the welding cap is fixedly connected with a sealing gasket matched with the hexagonal nut.

Preferably, the side of welding cap top has seted up the exhaust hole, annular groove has been seted up at the top of hexagon nut, a plurality of through-holes have been seted up to the bottom of annular groove inner wall, the bottom of spout the tongue is annular array and has seted up the inlet port of slope.

The utility model has the technical effects and advantages that:

the utility model utilizes the cooperation of the inner sleeve, the outer sleeve, the sealing and fixing assembly and the gun head assembly, the sealing and fixing assembly comprises the fixing sleeve, the fixing flange, the positioning bolt and the protective pipe fitting, and the fixing flange is arranged in a plane, so that the sealing and fixing assembly can be attached and fixed with the external plane of the furnace body, the protective pipe fitting is made of high-temperature resistant materials, the sealing and fixing assembly can be used for carrying out high-temperature protection, and the positioning bolt can be loosened according to the installation requirement, so that the position of the gun head assembly in the furnace can be adjusted.

Drawings

FIG. 1 is a schematic diagram of the front internal structure of the present utility model.

Fig. 2 is a schematic side view of the present utility model.

FIG. 3 is a schematic diagram of the front internal structure of the shower head according to the present utility model.

Fig. 4 is a schematic view of the front internal structure of the hexagonal nut of the present utility model.

In the figure: 1. an inner sleeve; 2. an outer sleeve; 3. a seal-fixing assembly; 31. fixing the sleeve; 32. a fixed flange; 33. positioning bolts; 34. a protective tube; 4. a gun head assembly; 41. spraying a tongue; 42. a spray head; 43. a connection assembly; 431. a hexagonal nut; 432. a first connection pipe; 433. a second connection pipe; 434. an exhaust hole; 435. an annular groove; 436. a through hole; 437. an air inlet hole; 44. a lock nut; 45. a sealing gasket; 5. welding the lantern ring; 6. and welding the cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides a spray gun as shown in figures 1-4, comprising:

interior sleeve pipe 1 and outer tube 2, interior sleeve pipe 1 cover locates the inside of outer tube 2, seal fixation subassembly 3, its fixed mounting is in the outer wall of outer tube 2, seal fixation subassembly 3 includes flange 32 and protection pipe fitting 34, protection pipe fitting 34 slides and cup joints in the outer wall of outer tube 2, protection pipe fitting 34 is high temperature resistant material, protection pipe fitting 34 not only can prevent high temperature protection to outer tube 2 and interior sleeve pipe 1, can also improve the leakproofness between fixed sleeve pipe 31 and the outer tube 2, and flange 32 is located the outside of high temperature furnace, flange 32 is laminated with the outside plane of high temperature furnace, then utilize the bolt fastening, can avoid adding the sealed problem that the pad receives high temperature deformation damage to bring, rifle head subassembly 4, its fixed mounting is in the one end of interior sleeve pipe 1 and outer tube 2.

Specifically, one end fixed welding between interior sleeve pipe 1 and the outer tube 2 has welding lantern ring 5, and the other end fixed welding between interior sleeve pipe 1 and the outer tube 2 has welding cap 6, and the connector has been cup jointed to the fixed one side of interior sleeve pipe 1's one end and outer tube 2 bottom, can pour into the fuel liquid into inside interior sleeve pipe 1 through two connectors, and the cavity injection combustion-supporting gas between the inside and interior sleeve pipe 1 outside of outside sleeve pipe 2.

Further, the outer wall of the outer sleeve 2 is slidably sleeved with the fixed sleeve 31, one end of the outer wall of the fixed sleeve 31 is fixedly sleeved with the fixed flange 32, one side of the top of the fixed sleeve 31 is threaded and sleeved with the positioning bolt 33, the bottom of the positioning bolt 33 is attached to the outer sleeve 2, one end of the protective pipe 34 is fixedly connected with the fixed sleeve 31, the positioning bolt 33 is loosened, the outer sleeve 2 can slide relative to the fixed sleeve 31 and the protective pipe 34, and therefore the position of the gun head assembly 4 mounted in a furnace body is changed.

Further, the gun head assembly 4 comprises a spraying tongue 41 and a spray nozzle 42, a connecting assembly 43 is sleeved on the top of the outer wall of the spraying tongue 41 in a sliding mode, the spraying tongue 41 is fixedly clamped at the bottom of the welding cap 6 through the connecting assembly 43, and a locking nut 44 is arranged between the spray nozzle 42 and the connecting assembly 43.

Further, the connection assembly 43 includes a hexagonal nut 431, a first connection pipe 432 is fixedly connected to the top of the hexagonal nut 431, a second connection pipe 433 is fixedly connected to the bottom of the hexagonal nut 431, the outer wall of the first connection pipe 432 is in threaded connection with the welding cap 6, the top of the outer wall of the spraying tongue 41 is slidably clamped to the top of the first connection pipe 432 and the inside of the welding cap 6, and the first connection pipe 432 can lock the spraying tongue 41, so that the spraying tongue 41 and the welding cap 6 are kept in a stable connection state.

Further, the outer wall of second connecting pipe 433 cup joints with lock nut 44 screw thread, spout the top joint of the outer wall of tongue 41 and shower nozzle 42 and between lock nut 44 and second connecting pipe 433, under the effect of second connecting pipe 433 and lock nut 44, shower nozzle 42 can be stable install in the bottom of spouting tongue 41, dismantle lock nut 44 and coupling assembling 43 just can dismantle the maintenance one by one to spouting tongue 41 and shower nozzle 42, the bottom fixedly connected with of welding cap 6 and hex nut 431 assorted sealing washer 45.

Further, exhaust hole 434 has been seted up to the avris at welding cap 6 top, annular groove 435 has been seted up at the top of hexagon nut 431, a plurality of through-holes 436 have been seted up to the bottom of annular groove 435 inner wall, the bottom of spout tongue 41 is annular array and has seted up the inlet port 437 of slope, under the effect of exhaust hole 434, annular groove 435, a plurality of through-holes 436 and a plurality of inlet port 437, the combustion-supporting gas between interior sleeve 1 inside fuel and outer tube 2 and interior sleeve 1 can mix the blowout in shower nozzle 42 inside, thereby improve the efficiency of fuel burning, and combustion-supporting gas pressure is: 0.2-0.5KPa, liquid pressure: 0.2-0.8KPa.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A spray gun, comprising:

the inner sleeve (1) and the outer sleeve (2), wherein the inner sleeve (1) is sleeved in the outer sleeve (2);

the sealing and fixing assembly (3) is fixedly arranged on the outer wall of the outer sleeve (2), the sealing and fixing assembly (3) comprises a fixing flange (32) and a protective pipe fitting (34), the protective pipe fitting (34) is sleeved on the outer wall of the outer sleeve (2) in a sliding manner, and the protective pipe fitting (34) is made of high-temperature resistant materials;

and the gun head assembly (4) is fixedly arranged at one ends of the inner sleeve (1) and the outer sleeve (2).

2. A spray gun according to claim 1, characterized in that a welding collar (5) is fixedly welded at one end between the inner sleeve (1) and the outer sleeve (2), a welding cap (6) is fixedly welded at the other end between the inner sleeve (1) and the outer sleeve (2), and a connector is fixedly sleeved at one end of the inner sleeve (1) and one side of the bottom of the outer sleeve (2).

3. A spray gun according to claim 1, wherein the outer wall of the outer sleeve (2) is slidably sleeved with a fixed sleeve (31), one end of the outer wall of the fixed sleeve (31) is fixedly sleeved with a fixed flange (32), one side thread at the top of the fixed sleeve (31) is inserted and sleeved with a positioning bolt (33), the bottom of the positioning bolt (33) is attached to the outer sleeve (2), and one end of the protective pipe (34) is fixedly connected with the fixed sleeve (31).

4. A spray gun according to claim 1, characterized in that the gun head assembly (4) comprises a spray tongue (41) and a spray head (42), the top of the outer wall of the spray tongue (41) is slidably sleeved with a connecting assembly (43), the spray tongue (41) is fixedly clamped at the bottom of the welding cap (6) through the connecting assembly (43), and a locking nut (44) is arranged between the spray head (42) and the connecting assembly (43).

5. The spray gun according to claim 4, wherein the connecting assembly (43) comprises a hexagonal nut (431), a first connecting pipe (432) is fixedly connected to the top of the hexagonal nut (431), a second connecting pipe (433) is fixedly connected to the bottom of the hexagonal nut (431), the outer wall of the first connecting pipe (432) is in threaded sleeve connection with the welding cap (6), and the top of the outer wall of the spray tongue (41) is in sliding clamping connection with the top of the first connecting pipe (432) and the inside of the welding cap (6).

6. The spray gun according to claim 5, wherein the outer wall of the second connecting pipe (433) is in threaded sleeve connection with a locking nut (44), the bottom of the outer wall of the spray tongue (41) and the top of the outer wall of the spray head (42) are clamped between the locking nut (44) and the second connecting pipe (433), and a sealing gasket (45) matched with a hexagonal nut (431) is fixedly connected to the bottom of the welding cap (6).

7. The spray gun according to claim 6, wherein the side of the top of the welding cap (6) is provided with an exhaust hole (434), the top of the hexagonal nut (431) is provided with an annular groove (435), the bottom of the inner wall of the annular groove (435) is provided with a plurality of through holes (436), and the bottom of the spray tongue (41) is provided with inclined air inlet holes (437) in an annular array.