CN218169006U

CN218169006U - Gas flow control valve of flame welding machine

Info

Publication number: CN218169006U
Application number: CN202222275128.1U
Authority: CN
Inventors: 黄向民
Original assignee: Yingda Shanghai Intelligent Equipment Co ltd
Current assignee: Yingda Shanghai Intelligent Equipment Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-30
Anticipated expiration: 2032-08-29

Abstract

The utility model relates to a flow control valve is with utensil technical field specifically is a flame welder gas flow control valve, including rotatable valve of threaded connection at gas box side and threaded connection at connecting pipe inner wall detachable stopper, the upper surface intercommunication of crossing the gas box is provided with the standpipe that can ventilate, the top fixed mounting of standpipe has the atmospheric pressure gauge outfit of observing numerical value, the last fixed surface of stopper installs the gauge drum, the side threaded connection of stopper has rotatable adjust knob. This flame welding machine gas flow control valve, through valve, barometer head, a gauge drum and adjust knob's setting, constructor can be with crossing the trachea interconnect of gas box and outside, come the throughput of control gas through the adjust valve to observe the air input through barometer head and a gauge drum, the constructor of being convenient for observes how much of atmospheric pressure, rotates adjust knob according to the site operation condition and adjusts the air output, and it is convenient to adjust, and the constructor of being convenient for uses.

Description

Gas flow control valve of flame welding machine

Technical Field

The utility model relates to a flow control valve is with utensil technical field specifically is a flame welding machine gas flow control valve.

Background

The welding machine is the electrical apparatus that provides the power of certain characteristic for the welding, the welding is because nimble simple and convenient firm reliable, the advantage of welding back even with the equal intensity of parent metal is widely used for each industrial field, like aerospace, boats and ships, the car, the container etc., when constructor uses the flame welding machine to carry out the construction, be not convenient for carry out regulation control to the flow of gas, it is comparatively inconvenient to dismantle the installation, it is more difficult when constructor overhauls, the gas tightness is not enough, be unfavorable for increasing the compactness behind the pipe connection, gaseous hourglass has reduced the security of construction, consequently, need a flame welding machine gas flow control valve convenient to use.

Chinese patent publication No. CN206816844U discloses a be used for carousel formula flame welding machine gas flow control valve, including valve body, air inlet, outlet duct and valve plate subassembly, the air inlet is located the left side of valve body, is provided with the stationary flow cover in the air inlet, and the stationary flow cover includes buffer disc and honeycomb duct, and the outlet duct is located the right side of valve body, and the valve plate subassembly includes sealed valve plate, flow plate, telescoping device, stopper and fixed block, the utility model discloses simple structure, the practicality is strong, through the design of stationary flow cover, not only can make the transport of gas more steady reliable, can reduce the mechanical noise of flow control valve work again moreover for operation safety more, simultaneously through the design of sealed valve plate and flow plate, make the flow adjustment of gas more convenient and reliable, the operation is also more convenient, has improved comprehensive utilization.

However, the gas flow control valve for the rotating disc type flame welding machine has the following problems in practical use:

1. the flow of the fuel gas is inconvenient to adjust and control, the disassembly and the assembly are inconvenient, and the maintenance by constructors is difficult;

2. the gas tightness is not enough, is not favorable to increasing the compactness behind the pipe connection, and gas leaks outward and has reduced the security of construction.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above defect of prior art, the utility model provides a flame welding machine gas flow control valve has solved and has not been convenient for carry out regulation control to the flow of gas, and it is comparatively inconvenient to dismantle the installation, and is more difficult when constructor overhauls, and the gas tightness is not enough, is unfavorable for increasing the compactness behind the pipe connection, and gaseous outer the leaking has reduced the problem of the security of construction.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a flame welding machine gas flow control valve, includes rotatable valve of threaded connection in the gas box side and threaded connection at connecting pipe inner wall detachable stopper, the upper surface intercommunication of crossing the gas box is provided with the standpipe that can ventilate, the top fixed mounting of standpipe has the atmospheric pressure gauge outfit of observing numerical value, the last fixed surface of stopper installs the table section of thick bamboo, the side threaded connection of stopper has rotatable adjust knob, adjust knob's lower surface intercommunication is provided with the outlet duct, the leak protection cover that can prevent gas leakage has been cup jointed on the surface of outlet duct, the surface joint of leak protection cover has detachable clamping ring.

Optionally, the surface of the watch barrel is provided with observable scale marks, and the inner wall of the watch barrel is clamped with a liftable round ball.

Optionally, one side of the air passing box is in threaded connection with a rotatable air inlet nut, and one side of the air inlet nut is communicated with an air inlet pipe.

Optionally, the outer surface of the connecting pipe is communicated with a gas distribution pipe, and the inner wall of the gas distribution pipe is provided with an external connecting pipe.

Optionally, the inner wall threaded connection of clamp ring has detachable limit bolt, limit bolt's surperficial threaded connection has can spacing clamping nut, one side of clamp ring is provided with rotatable tight ring that supports.

Optionally, a blocking plate capable of blocking is arranged on one side of the valve, and a clamping plate capable of limiting is arranged on one side of the adjusting knob.

(III) advantageous effects

The utility model provides a flame welding machine gas flow control valve possesses following beneficial effect:

1. this flame welding machine gas flow control valve, through the valve, the barometer head, a gauge section of thick bamboo and adjust knob's setting, constructor can be with crossing the trachea interconnect of gas box and outside, through the throughput of adjusting valve control gas, and observe the air input through barometer head and a gauge section of thick bamboo, the constructor of being convenient for observes how much of atmospheric pressure, it adjusts the air output to rotate adjust knob according to the site operation condition, it is convenient to adjust, the constructor of being convenient for uses, it is comparatively convenient to dismantle the installation, the constructor of being convenient for overhauls.

2. This flame welding machine gas flow control valve, through the setting of outlet duct, leak protection cover and chucking ring, constructor is with outlet duct and outside pipeline interconnect, and the leak protection cover is located the junction of pipeline, is favorable to preventing gas leakage, and constructor supports the chucking ring and carries out the chucking at the surface of leak protection cover tightly, is favorable to increasing the compactness behind the pipe connection, prevents that gas from leaking outward and has improved the security of construction.

Drawings

FIG. 1 is a schematic view of the explosion structure of the present invention;

FIG. 2 is a schematic view of the present invention;

FIG. 3 is a schematic view of the structure of the position limiting block of the present invention;

fig. 4 is a schematic view of the structure of the air box of the present invention.

In the figure: 1. a gas passing box; 2. a valve; 3. a connecting pipe; 4. a limiting block; 5. a vertical tube; 6. a barometer head; 7. a watch barrel; 8. adjusting a knob; 9. an air outlet pipe; 10. a leakage-proof sleeve; 11. a clamping ring; 12. scale lines; 13. a ball; 14. an air inlet nut; 15. an air inlet pipe; 16. a gas distributing pipe; 17. and a limiting bolt.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a flame welder gas flow control valve comprises a rotatable valve 2 which is in threaded connection with the side surface of a gas passing box 1, one side of the gas passing box 1 is in threaded connection with a rotatable gas inlet nut 14, one side of the gas inlet nut 14 is communicated with a gas inlet pipe 15, one side of the valve 2 is provided with a baffle which can be blocked, one side of an adjusting knob 8 is provided with a clamping plate which can be limited, the threaded connection is provided with a detachable limiting block 4 on the inner wall of a connecting pipe 3, the outer surface of the connecting pipe 3 is communicated with a gas distribution pipe 16, a constructor can rotate the valve 2 to adjust the gas passing amount of the gas passing box 1, so that the constructor is more convenient to adjust, the gas inlet pipe 15 is mutually connected with an external pipeline, the gas inlet nut 14 can be in threaded connection with the external pipeline, the gas distribution pipe 16 and the pipeline which can be separated to enable the constructor to be connected with one pipeline for use, and the construction efficiency of the constructor is improved;

an external connection pipe is arranged on the inner wall of the gas distribution pipe 16, a vertical pipe 5 capable of ventilating is communicated with the upper surface of the gas passing box 1, a barometer head 6 capable of observing numerical values is fixedly installed at the top end of the vertical pipe 5, a meter barrel 7 is fixedly installed on the upper surface of the limiting block 4, observable scale marks 12 are arranged on the surface of the meter barrel 7, a liftable ball 13 is clamped on the inner wall of the meter barrel 7, a constructor can connect the gas passing box 1 with an external gas pipe, the gas throughput is controlled by adjusting the valve 2, the air inflow is observed by the barometer head 6 and the meter barrel 7, the constructor can conveniently observe the air pressure, adjust the air pressure according to the site construction condition, and conveniently observe and use by the constructor, the ball 13 can be lifted under the action of the air pressure, and the constructor can determine the air pressure by observing the numerical values of the scale marks 12 after the ball 13 is lifted;

the side threaded connection of stopper 4 has rotatable adjust knob 8, adjust knob 8's lower surface intercommunication is provided with outlet duct 9, the leak protection cover 10 that can prevent gas leakage has been cup jointed on outlet duct 9's surface, the surperficial joint of leak protection cover 10 has detachable chucking ring 11, chucking ring 11's inner wall threaded connection has detachable limit bolt 17, limit bolt 17's surperficial threaded connection has the chucking nut that can be spacing, one side of chucking ring 11 is provided with rotatable tight ring that supports, constructor can be with outlet duct 9 and outside pipeline interconnect, leak protection cover 10 is located the junction of pipeline, be favorable to preventing gas leakage, constructor supports tight ring 11 and the tight ring of support and carries out the chucking at the surface of leak protection cover 10, increase the compactness of pipe connection with this.

The utility model discloses in, the device's working procedure as follows:

1. firstly, a constructor connects the air inlet pipe 15 with an external pipeline, and the air inlet nut 14 can be used for carrying out threaded connection on the external pipeline;

2. secondly, constructors can connect the air outlet pipe 9 with an external pipeline, and the leakage-proof sleeve 10 is positioned at the joint of the pipeline;

3. then, the constructor tightly presses the clamping ring 11 and the pressing ring on the outer surface of the leakage-proof sleeve 10 for clamping;

4. finally, the constructor can control the gas passing amount by adjusting the valve 2, observe the gas inlet amount by the barometer head 6 and the meter cylinder 7, and adjust the gas outlet amount by rotating the adjusting knob 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flame welder gas flow control valve, includes rotatable valve (2) of threaded connection in gas box (1) side and threaded connection at connecting pipe (3) inner wall detachable stopper (4), its characterized in that: the upper surface intercommunication of crossing gas box (1) is provided with standpipe (5) that can ventilate, the top fixed mounting of standpipe (5) has barometer head (6) that can observe numerical value, the last fixed surface of stopper (4) installs a table section of thick bamboo (7), the side threaded connection of stopper (4) has rotatable adjust knob (8), the lower surface intercommunication of adjust knob (8) is provided with outlet duct (9), leak protection cover (10) that can prevent gas leakage have been cup jointed on the surface of outlet duct (9), the surface joint of leak protection cover (10) has detachable chucking ring (11).

2. A gas flow control valve for a flame welder as defined in claim 1, wherein: the surface of the watch barrel (7) is provided with observable scale marks (12), and the inner wall of the watch barrel (7) is clamped with a liftable round ball (13).

3. A gas flow control valve for a flame welder as defined in claim 1, wherein: one side threaded connection of crossing gas box (1) has rotatable air inlet nut (14), one side intercommunication of air inlet nut (14) is provided with intake pipe (15).

4. A gas flow control valve for a flame welder as defined in claim 1, wherein: the outer surface of the connecting pipe (3) is communicated with a gas distribution pipe (16), and the inner wall of the gas distribution pipe (16) is provided with an external connecting pipe.

5. The flame welder gas flow control valve of claim 1, characterized in that: the inner wall threaded connection of clamp ring (11) has detachable limit bolt (17), the surperficial threaded connection of limit bolt (17) has can spacing clamping nut, one side of clamp ring (11) is provided with rotatable tight ring that supports.

6. A gas flow control valve for a flame welder as defined in claim 1, wherein: one side of the valve (2) is provided with a baffle capable of blocking, and one side of the adjusting knob (8) is provided with a clamping plate capable of limiting.