CN219976128U - Automatic opening and closing valve for gas cylinder - Google Patents

Abstract

The utility model relates to an automatic opening and closing valve for a gas cylinder, which comprises a supporting box, wherein a pressure sensor is fixedly connected to the inner side of the supporting box, a gas cylinder body is movably connected to the inner side of the supporting box, an intelligent controller is fixedly connected to the top of the supporting box, an alarm is fixedly connected to the top of the supporting box, a gas cylinder pipe is fixedly connected to the top of the gas cylinder body, an intelligent electromagnetic valve is fixedly arranged on the outer side of the gas cylinder pipe, a first gas sensor is fixedly connected to the outer side of the gas cylinder pipe, a first sealing cover is in threaded connection with the top of the gas cylinder pipe, a connecting hose is fixedly connected to the top of the first sealing cover, a second sealing cover is fixedly connected to one end of the connecting hose, which is far away from the first sealing cover, a fixed welding gun is in threaded connection with the bottom of the second sealing cover, and a second gas sensor is fixedly connected to the outer side of the fixed welding gun. The automatic opening and closing valve for the gas cylinder achieves the purpose of automatic opening and closing of the gas cylinder valve.

Description

Automatic opening and closing valve for gas cylinder

Technical Field

The utility model relates to the technical field of gas cylinder valves, in particular to an automatic opening and closing valve for a gas cylinder.

Background

The gas cylinder is a cylinder-shaped main structure, is filled with gas generally, can be compressed gas, liquefied gas, dissolved adsorption gas and the like, is a movable pressure container, the gas cylinder valve is a valve which is arranged on the gas cylinder and is used for controlling the on-off and flow of the gas, the gas cylinder valve is also called as a cylinder valve, and the gas cylinders with different mediums are generally gas cylinder valves with different structures.

The gas cylinder valve is a valve device mainly used for gas regulation and discharge of a gas storage tank, the gas cylinder valve can be made of materials which are suitable for the physical and chemical property requirements of a medium and are commonly used with copper, a safety relief device is arranged, for example, a gas cylinder valve which is proposed in China patent CN209469817U is provided with a bottom conical sealing hole, a first side conical sealing hole and a second side conical sealing hole which are internally provided with conical sealing plugs inside a valve core, the conical sealing plugs inside the first side conical sealing hole and the second side conical sealing hole are elastically connected by springs on the outer side surfaces of a longitudinal sealing pipe, the conical sealing plugs inside the bottom conical sealing holes and the whole valve core are controlled by a top control shaft inside the longitudinal control pipe, the outer side and the bottom of the valve core are respectively provided with an elastic sealing mechanism, the whole gas cylinder sealing performance and safety are greatly improved, but the design does not have the advantages of automatic opening and closing, when the gas cylinder pipe leaks, the gas inside the gas cylinder valve cannot be timely closed, the gas is always leaked outside, the gas waste is caused, the gas leakage system of a worker can cause bad influence, the gas cylinder system of the worker cannot be guaranteed, the safety of the worker cannot be satisfied, the worker cannot use the valve, the service efficiency is not satisfied, and the use effect of the valve is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the valve for the gas cylinder, which has the advantages of automatic opening and closing, and the like, solves the problems that when the existing gas cylinder valve does not have the advantages of automatic opening and closing, and the gas cylinder pipeline leaks gas, the gas cylinder valve cannot be closed in time, so that the gas inside the gas cylinder leaks all the time, the gas waste is caused, the gas leakage can cause adverse effects on the respiratory system of a worker, the safety of the worker cannot be ensured, the use is inconvenient, the use requirement of the worker cannot be met, and the use efficiency and the use effect of the gas cylinder valve are reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automatic start-stop valve for gas cylinder, includes the supporting box, the inboard fixedly connected with pressure sensor of supporting box, the inboard swing joint of supporting box has the gas cylinder body, the top fixedly connected with intelligent control ware of supporting box, the top fixedly connected with alarm of supporting box, the top fixedly connected with gas cylinder pipe of gas cylinder body, the outside fixedly mounted of gas cylinder pipe has intelligent solenoid valve, the outside fixedly connected with first gas sensor of gas cylinder pipe, the top threaded connection of gas cylinder pipe has first sealed lid, the top fixedly connected with coupling hose of first sealed lid, the one end fixedly connected with second sealed lid of first sealed lid is kept away from to coupling hose, the bottom threaded connection of second sealed lid is fixed welder, the outside fixedly connected with second gas sensor of fixed welder.

Further, the left and right side walls of the inner side of the supporting box are fixedly connected with fixed screw blocks, two the inner sides of the fixed screw blocks are fixedly connected with movable screws, two the outer sides of the movable screws are fixedly connected with rolling bearings, the outer sides of the rolling bearings are fixedly connected with movable clamping plates, two the opposite sides of the movable clamping plates are fixedly connected with silica gel pads, and two the opposite ends of the movable screws are fixedly connected with movable rotating handles.

Further, the four corners of supporting box bottom all fixedly connected with walking wheel, the quantity of walking wheel is four, four the equal fixedly connected with stopper in the outside of walking wheel, four the antiskid groove has all been seted up in the outside of walking wheel.

Further, two the top and the bottom of movable splint are all fixedly connected with movable slide block, fixed spout has been seted up to the inboard of supporting box, the quantity of movable slide block and fixed spout is four, four movable slide block respectively with four fixed spout sliding connection.

Further, the fixed grab handles of the equal fixedly connected with in left and right sides of gas cylinder body, the quantity of fixed grab handles is two, two the equal fixedly connected with slipmat in the outside of fixed grab handles, two fixed grab handles all are the U style of calligraphy, fixed round hole has been seted up at the top of supporting box, the gas cylinder body is located the inboard of fixed round hole.

Further, two the silica gel pads all with gas cylinder body swing joint, the top of pressure sensor and the bottom swing joint of gas cylinder body, the gas cylinder body is linked together with the gas cylinder pipe, first sealed lid and second sealed lid all are linked together with coupling hose.

Further, the screw groove has been seted up in the outside of gas cylinder pipe, the screw hole with gas cylinder pipe outside screw groove looks adaptation has been seted up to the inboard of first sealed lid, be provided with first sealed adhesive tape between gas cylinder pipe and the first sealed lid, the screw groove has been seted up in the outside of fixed welder, the screw hole with fixed welder outside screw groove looks adaptation has been seted up to the inboard of second sealed lid, be provided with the second sealed adhesive tape between fixed welder and the second sealed lid.

Further, the pressure sensor, the alarm, the intelligent electromagnetic valve, the first gas sensor and the second gas sensor are all electrically connected with the intelligent controller, the first gas sensor is electrically connected with the second gas sensor, and the pressure sensor is electrically connected with the intelligent electromagnetic valve.

Further, the outside fixedly connected with first gas induction pole of first gas sensor, and the right-hand member of first gas induction pole runs through the gas cylinder pipe and extends to the inboard of gas cylinder pipe, the outside fixedly connected with second gas induction pole of second gas sensor, and the right-hand member of second gas induction pole runs through fixed welder and extends to fixed welder's inboard.

Further, the inner sides of the two fixed screw blocks are respectively provided with a threaded through hole matched with the threads on the outer sides of the two movable screw rods, and one end of the movable screw rod, which is far away from the movable rotating handle, sequentially penetrates through the supporting box, the fixed screw blocks, the movable clamping plates and the rolling bearing and extends to the inner sides of the rolling bearing.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. this automatic start-stop valve for gas cylinder can control pressure sensor, the alarm, intelligent solenoid valve, first gas sensor and the timely drive of second gas sensor through intelligent control ware, thereby can control the periodic opening or closing of gas cylinder pipe through intelligent solenoid valve, simultaneously can control the opening size of gas cylinder pipe, thereby can put into fixed welder's inboard through gas cylinder pipe and coupling hose with the gas ration of gas cylinder body inboard, can carry out quantitative use to the gas of gas cylinder body inboard, can respond to the size of gas flow through first gas sensor and second gas sensor, therefore can respond to coupling hose through first gas sensor and second gas sensor and have the phenomenon that exists the gas leakage, when coupling hose appears droing or rupture phenomenon and gas leakage, first gas sensor and second gas sensor can give intelligent control ware with signal transmission for intelligent solenoid valve and alarm, intelligent solenoid valve can in time close the gas cylinder pipe, avoid the gas of gas cylinder body inboard to leak, the alarm can carry out the ration to remind the gas of gas cylinder body inboard, can carry out automatic handling, the size of gas sensor can respond to the gas cylinder pipe's influence of gas leakage, the timely work valve has been avoided the gas cylinder to realize when the valve has realized, the timely work of gas cylinder has been avoided the valve to have been opened and shut down, the valve's the problem has been avoided the gas valve to take place, the problem that the gas has been avoided the timely time to realize the valve to have the gas valve to have the problem to be easy to be used, the valve to the gas has avoided the gas valve to take place, the problem when the valve to the gas has been used, the valve to the gas valve to the timely has been used the gas valve to the timely.

2. This automatic start-stop valve for gas cylinder can remove supporting box and gas cylinder body through four walking wheels, can remove the gas cylinder body to appointed place and use and aerify the processing, can respond to the inboard gas pressure of gas cylinder body through the pressure sensor, the pressure numerical value can show in the top of intelligent control ware, when the inboard gas of gas cylinder body, when the pressure of filling reaches appointed pressure, the pressure sensor can give intelligent solenoid valve and alarm with signal transmission, intelligent solenoid valve can in time close the gas cylinder pipe, avoid the pressure equipment to continue to fill to the inboard of gas cylinder body and press because of filling too much causes the phenomenon of gas leakage, the alarm can carry out alarm processing, in order to remind the staff to fill to press fully, when the gas of gas cylinder body inboard reduces because of using gradually, the numerical variation of gas pressure can show on intelligent control ware, so that the staff is accurate knows the gas allowance of gas cylinder body inboard, can receive the signal of external computer through intelligent control ware, can let the intelligent solenoid valve of remote control open or close because first sealed lid and sealed lid, sealed lid and second are connected with the sealed with the hose of screw thread can be sealed with the hose, the sealed with the hose is fixed connection of the hose can be removed through the fixed connection with the hose, the sealed with the hose is fixed connection of the hose can be guaranteed to the hose, the hose is convenient for the hose is detached at regular time.

Drawings

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

FIG. 2 is a cross-sectional view of a support box connection structure in accordance with the present utility model;

FIG. 3 is a left side view of the connection structure of the support box in the structure of the present utility model;

FIG. 4 is a front view of the connection structure of the support box in the structure of the present utility model;

FIG. 5 is a top view of the support box attachment structure of the present utility model;

FIG. 6 is a top view of the cylinder body connection structure of the present utility model;

FIG. 7 is an enlarged view of the structure of the present utility model at A in FIG. 2;

fig. 8 is a system diagram of the structure of the present utility model.

In the figure: 1. a supporting box; 2. a pressure sensor; 3. a gas cylinder body; 4. an intelligent controller; 5. an alarm; 6. a gas cylinder tube; 7. an intelligent electromagnetic valve; 8. a first gas sensor; 9. a first sealing cover; 10. a connecting hose; 11. a second sealing cover; 12. fixing a welding gun; 13. a second gas sensor; 14. fixing the screw block; 15. a movable screw; 16. a rolling bearing; 17. a movable clamping plate; 18. a silica gel pad; 19. a movable rotating handle; 20. a walking wheel; 21. a brake; 22. a movable slide block; 23. a fixed grab handle; 24. an anti-slip mat.

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.

Referring to fig. 1-8, an automatic opening and closing valve for a gas cylinder in this embodiment includes a supporting box 1, a pressure sensor 2 is fixedly connected to the inner side of the supporting box 1, a gas cylinder body 3 is movably connected to the inner side of the supporting box 1, an intelligent controller 4 is fixedly connected to the top of the supporting box 1, an alarm 5 is fixedly connected to the top of the supporting box 1, a gas cylinder tube 6 is fixedly connected to the top of the gas cylinder body 3, an intelligent electromagnetic valve 7 is fixedly mounted on the outer side of the gas cylinder tube 6, a first gas sensor 8 is fixedly connected to the outer side of the gas cylinder tube 6, a first sealing cover 9 is in threaded connection with the top of the gas cylinder tube 6, a connecting hose 10 is fixedly connected to one end of the connecting hose 10, which is far away from the first sealing cover 9, a second sealing cover 11 is fixedly connected to the bottom of the second sealing cover 11, a fixing welding gun 12 is in threaded connection with the bottom of the second sealing cover 11, and a second gas sensor 13 is fixedly connected to the outer side of the fixing welding gun 12.

The left and right side walls of the inner side of the supporting box 1 are fixedly connected with fixed screw blocks 14, the inner sides of the two fixed screw blocks 14 are fixedly connected with movable screw rods 15, the outer sides of the two movable screw rods 15 are fixedly connected with rolling bearings 16, the outer sides of the two rolling bearings 16 are fixedly connected with movable clamping plates 17, one sides of the two movable clamping plates 17 opposite to each other are fixedly connected with silica gel pads 18, and one ends of the two movable screw rods 15 opposite to each other are fixedly connected with movable rotating handles 19.

The four corners of supporting box 1 bottom are all fixedly connected with walking wheel 20, and the quantity of walking wheel 20 is four, and the equal fixedly connected with stopper 21 in the outside of four walking wheels 20, and anti-skidding groove has all been seted up in the outside of four walking wheels 20, and the equal fixedly connected with movable slide block 22 in top and bottom of two movable clamp plates 17, fixed spout has been seted up to the inboard of supporting box 1, and the quantity of movable slide block 22 and fixed spout is four, and four movable slide block 22 respectively with four fixed spout sliding connection, four movable slide block 22 and four fixed spouts all are the T style of calligraphy.

The left and right sides of gas cylinder body 3 all fixedly connected with fixed grab handle 23, and the quantity of fixed grab handle 23 is two, and the equal fixedly connected with slipmat 24 in the outside of two fixed grab handles 23, two fixed grab handles 23 all are the U style of calligraphy, and two silica gel pads 18 all with gas cylinder body 3 swing joint, the top of pressure sensor 2 and the bottom swing joint of gas cylinder body 3, gas cylinder body 3 are linked together with gas cylinder pipe 6, and first sealed lid 9 and the sealed lid 11 of second all are linked together with coupling hose 10.

The screw groove has been seted up in the outside of gas cylinder pipe 6, the screw hole with gas cylinder pipe 6 outside screw groove looks adaptation has been seted up to the inboard of first sealed lid 9, be provided with first sealed adhesive tape between gas cylinder pipe 6 and the first sealed lid 9, the screw groove has been seted up in the outside of fixed welder 12, the screw hole with fixed welder 12 outside screw groove looks adaptation has been seted up to the inboard of second sealed lid 11, be provided with the second sealed adhesive tape between fixed welder 12 and the second sealed lid 11.

The pressure sensor 2, the alarm 5, intelligent solenoid valve 7, first gas sensor 8 and second gas sensor 13 all are connected with intelligent control ware 4 electricity, first gas sensor 8 is connected with second gas sensor 13 electricity, pressure sensor 2 is connected with intelligent solenoid valve 7 electricity, fixed round hole has been seted up at the top of supporting box 1, gas cylinder body 3 is located the inboard of fixed round hole, the outside fixedly connected with first gas sensor pole of first gas sensor 8, and the right-hand member of first gas sensor pole runs through gas cylinder pipe 6 and extends to the inboard of gas cylinder pipe 6, the outside fixedly connected with second gas sensor pole of second gas sensor 13, and the right-hand member of second gas sensor pole runs through fixed welder 12 and extends to the inboard of fixed welder 12.

The inside of two fixed screw pieces 14 has offered the screw thread through-hole with two movable screw rod 15 outside screw thread looks adaptations respectively, the one end that movable screw rod 15 kept away from movable swivel handle 19 runs through supporting box 1, fixed screw piece 14, movable splint 17 and antifriction bearing 16 in proper order and extends to antifriction bearing 16's inboard, two antifriction bearing 16 comprises inner circle, a plurality of ball and outer lane, two inner circles respectively with two movable screw rod 15 fixed connection, two outer lanes respectively with two movable splint 17 fixed connection, inner circle and outer lane all with a plurality of ball swing joint.

In addition, through setting up supporting box 1, can support gas cylinder body 3, through setting up pressure sensor 2, can respond to the inboard gas pressure of gas cylinder body 3, through setting up gas cylinder body 3, can store gas, through setting up intelligent control ware 4, can carry out intelligent control to pressure sensor 2, alarm 5, intelligent solenoid valve 7, first gas sensor 8 and second gas sensor 13, alarm processing when can make gas cylinder body 3 take place the phenomenon of superpressure and gas leakage, through setting up alarm 5, can put into the inboard of coupling hose 10 with the inboard gas of gas cylinder body 3, through setting up intelligent solenoid valve 7, can control opening or closing of gas cylinder pipe 6 timing.

Through setting up first gas sensor 8 and second gas sensor 13, can respond to the phenomenon that coupling hose 10 has the gas leakage, through setting up first sealed lid 9 and first sealed adhesive tape, can guarantee the leakproofness between coupling hose 10 and the gas cylinder pipe 6, through setting up second sealed lid 11 and second sealed adhesive tape, can guarantee the leakproofness between coupling hose 10 and the fixed welder 12, through setting up coupling hose 10, can link together gas cylinder pipe 6 and fixed welder 12, through setting up two antifriction bearings 16, can restrict two movable clamp plates 17 and carry out circumference rotation, can improve two movable screw 15 pivoted stability simultaneously.

Through setting up two movable clamp plates 17, can guarantee the stability of gas cylinder body 3 centre gripping, avoid gas cylinder body 3 to drop from the top of supporting box 1 in the in-process of using, through setting up two silica gel pads 18, can strengthen the stability of two movable clamp plates 17 to the centre gripping of gas cylinder body 3, avoid two movable clamp plates 17 to cause the damage to gas cylinder body 3 because of the grip is too big, through setting up four walking wheels 20, can remove supporting box 1 and gas cylinder body 3, can remove gas cylinder body 3 to appointed place and use and aerify, through setting up four brakes 21, can fix four walking wheels 20 respectively, avoid gas cylinder body 3 to take place the phenomenon that removes at four walking wheels 20 of in-process of using.

Through setting up anti-skidding groove, can make walking wheel 20 have skid-proof effect, through setting up four movable slide blocks 22 and four fixed spouts, can improve the stability that two movable clamp plates 17 left and right sides moved, can support two movable clamp plates 17 simultaneously, through setting up two fixed grab handles 23, can draw gas cylinder body 3, through setting up two slipmats 24, can make two fixed grab handles 23 have skid-proof effect, through setting up fixed round hole, can put into the bottom of gas cylinder body 3 and support the inboard of case 1.

The working principle of the embodiment is as follows:

(1) The intelligent controller 4 can control the timing driving of the pressure sensor 2, the alarm 5, the intelligent electromagnetic valve 7, the first gas sensor 8 and the second gas sensor 13.

(2) Therefore, the gas cylinder tube 6 can be controlled to be opened or closed periodically through the intelligent electromagnetic valve 7, and the opening size of the gas cylinder tube 6 can be controlled, so that the gas inside the gas cylinder body 3 can be quantitatively placed into the inner side of the fixed welding gun 12 through the gas cylinder tube 6 and the connecting hose 10, and the gas inside the gas cylinder body 3 can be quantitatively used.

(3) The magnitude of the gas flow rate can be sensed by the first gas sensor 8 and the second gas sensor 13, so that whether the connection hose 10 has a leakage phenomenon can be sensed by the first gas sensor 8 and the second gas sensor 13.

(4) When the connecting hose 10 drops or breaks and leaks gas, the first gas sensor 8 and the second gas sensor 13 can transmit signals to the intelligent controller 4, the intelligent controller 4 can transmit signals to the intelligent electromagnetic valve 7 and the alarm 5, the intelligent electromagnetic valve 7 can timely close the gas cylinder pipe 6, the gas inside the gas cylinder body 3 is prevented from continuing to leak, the alarm 5 can carry out alarm processing, so that workers can be reminded of timely processing, and the purpose that the intelligent electromagnetic valve 7 is automatically opened and closed is achieved.

(5) The support box 1 and the gas cylinder body 3 can be moved through the four travelling wheels 20, and the gas cylinder body 3 can be moved to a designated place for use and inflation treatment.

(6) The pressure sensor 2 can sense the gas pressure inside the gas cylinder body 3, the pressure value can be displayed above the intelligent controller 4, when the gas inside the gas cylinder body 3 is pressurized to the appointed pressure, the pressure sensor 2 can transmit signals to the intelligent electromagnetic valve 7 and the alarm 5, the intelligent electromagnetic valve 7 can timely close the gas cylinder pipe 6, the pressurizing equipment is prevented from continuously pressurizing the inner side of the gas cylinder body 3, the phenomenon that the gas cylinder body 3 leaks due to excessive pressurizing is prevented, the alarm 5 can perform alarm processing to remind workers that the pressurizing is full, and when the gas inside the gas cylinder body 3 is gradually reduced due to use, the value change of the gas pressure can be displayed on the intelligent controller 4, so that the workers accurately know the gas allowance inside the gas cylinder body 3.

(7) The intelligent controller 4 can receive signals of an external computer, so that a worker can remotely control the intelligent electromagnetic valve 7, and the intelligent electromagnetic valve 7 can be remotely controlled to be opened or closed.

(8) Because the first sealing cover 9 is in threaded connection with the gas cylinder pipe 6, and the second sealing cover 11 is in threaded connection with the fixed welding gun 12, tightness between the gas cylinder pipe 6, the fixed welding gun 12 and the connecting hose 10 can be guaranteed through the first sealing cover 9 and the second sealing cover 11, so that the probability of falling off and leakage of the connecting hose 10 is reduced, and meanwhile, the connecting hose 10 can be quickly disassembled, so that the connecting hose 10 can be conveniently and regularly detected or replaced.

(9) When the gas cylinder body 3 needs to be taken down from the upper part of the supporting box 1 for replacement, the two movable handles 19 can be rotated clockwise to respectively drive the two movable screws 15 to rotate, and because the two fixed screw blocks 14 are respectively in threaded connection with the two movable screws 15, the two movable screws 15 can respectively drive the two rolling bearings 16, the two movable clamping plates 17 and the two silica gel pads 18 to do the movement in opposite directions in the rotating process, the two movable clamping plates 17 and the two silica gel pads 18 can be separated from the gas cylinder body 3 in the moving process in opposite directions, so that the gas cylinder body 3 loses limit, and the gas cylinder body 3 can be taken down from the upper part of the supporting box 1 for replacement.

(10) Through the above-mentioned opposite principle, anticlockwise rotation two movable turnhandles 19 drive two movable screw rods 15 respectively and rotate to through the cooperation effect between two fixed screw blocks 14, two movable screw rods 15, two antifriction bearings 16, two movable splint 17 and two silica gel pads 18, can be in the same place gas cylinder body 3 stable with supporting box 1 connection, avoid gas cylinder body 3 to take place the phenomenon of collapsing or skew at the in-process of using, in order to guarantee the stability of gas cylinder body 3 use.

Compared with the prior art, the automatic gas cylinder valve has the advantages that the automatic gas cylinder valve is simple in integral structure and convenient to use, the purpose of automatic opening and closing of the gas cylinder valve is achieved, when gas leakage occurs in a gas cylinder pipeline, the gas cylinder valve can be timely closed, gas leakage inside the gas cylinder is avoided, gas waste is prevented, adverse effects of the gas on the respiratory system of workers are avoided, safety of the workers is guaranteed, the use requirement of the workers is met, and the use efficiency and the use effect of the gas cylinder valve are improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims (10)

1. The utility model provides an automatic start-stop valve for gas cylinder, includes supporting box (1), its characterized in that: the intelligent welding device is characterized in that the pressure sensor (2) is fixedly connected to the inner side of the supporting box (1), the gas cylinder body (3) is movably connected to the inner side of the supporting box (1), the intelligent controller (4) is fixedly connected to the top of the supporting box (1), the alarm (5) is fixedly connected to the top of the supporting box (1), the gas cylinder tube (6) is fixedly connected to the top of the gas cylinder body (3), the intelligent electromagnetic valve (7) is fixedly arranged on the outer side of the gas cylinder tube (6), the first gas sensor (8) is fixedly connected to the outer side of the gas cylinder tube (6), the connecting hose (10) is fixedly connected to the top of the first sealing cover (9), the connecting hose (10) is far away from the first sealing cover (9), the second sealing cover (11) is fixedly connected to one end of the first sealing cover (9), the second sealing cover (11) is fixedly connected to the bottom of the welding gun (12) through threads, and the second gas sensor (13) is fixedly connected to the outer side of the second sealing gun (12).

2. An automatically opening and closing valve for a gas cylinder according to claim 1, wherein: the utility model discloses a movable screw rod (15) is fixed in the fixed screw rod (15) of the equal fixedly connected with of left and right sides wall of supporting box (1), two the equal threaded connection in inboard of fixed screw rod (14), two equal fixedly connected with antifriction bearing (16) in the outside of movable screw rod (15), two equal fixedly connected with movable splint (17) in the outside of antifriction bearing (16), two equal fixedly connected with silica gel pad (18) in one side that movable splint (17) are relative, two equal fixedly connected with movable rotating handle (19) of one end that movable screw rod (15) carried on the back mutually.

3. An automatically opening and closing valve for a gas cylinder according to claim 1, wherein: four corners of supporting box (1) bottom are all fixedly connected with walking wheel (20), the quantity of walking wheel (20) is four, four the equal fixedly connected with brake (21) in the outside of walking wheel (20), four the antiskid groove has all been seted up in the outside of walking wheel (20).

4. An automatically opening and closing valve for a gas cylinder according to claim 2, wherein: the top and the bottom of two movable clamp plates (17) are fixedly connected with movable sliding blocks (22), fixed sliding grooves are formed in the inner side of the supporting box (1), the number of the movable sliding blocks (22) and the number of the fixed sliding grooves are four, and the four movable sliding blocks (22) are respectively and slidably connected with the four fixed sliding grooves.

5. An automatically opening and closing valve for a gas cylinder according to claim 1, wherein: the utility model discloses a gas cylinder, including fixed handle (23) of the equal fixedly connected with of left and right sides of gas cylinder body (3), the quantity of fixed handle (23) is two, two the equal fixedly connected with slipmat (24) in the outside of fixed handle (23), two fixed handle (23) are the U style of calligraphy, fixed round hole has been seted up at the top of supporting box (1), gas cylinder body (3) are located the inboard of fixed round hole.

6. An automatically opening and closing valve for a gas cylinder according to claim 2, wherein: the two silica gel pads (18) are movably connected with the gas cylinder body (3), the top of the pressure sensor (2) is movably connected with the bottom of the gas cylinder body (3), the gas cylinder body (3) is communicated with the gas cylinder pipe (6), and the first sealing cover (9) and the second sealing cover (11) are both communicated with the connecting hose (10).

7. An automatically opening and closing valve for a gas cylinder according to claim 1, wherein: the gas cylinder tube (6) is characterized in that a spiral groove is formed in the outer side of the gas cylinder tube (6), a spiral hole matched with the outer side spiral groove of the gas cylinder tube (6) is formed in the inner side of the first sealing cover (9), a first sealing adhesive tape is arranged between the gas cylinder tube (6) and the first sealing cover (9), a spiral groove is formed in the outer side of the fixed welding gun (12), a threaded hole matched with the outer side spiral groove of the fixed welding gun (12) is formed in the inner side of the second sealing cover (11), and a second sealing adhesive tape is arranged between the fixed welding gun (12) and the second sealing cover (11).

8. An automatically opening and closing valve for a gas cylinder according to claim 1, wherein: the intelligent gas sensor comprises a pressure sensor (2), an alarm (5), an intelligent electromagnetic valve (7), a first gas sensor (8) and a second gas sensor (13), wherein the pressure sensor (8) is electrically connected with the intelligent controller (4), the first gas sensor (8) is electrically connected with the second gas sensor (13), and the pressure sensor (2) is electrically connected with the intelligent electromagnetic valve (7).

9. An automatically opening and closing valve for a gas cylinder according to claim 1, wherein: the outside fixedly connected with first gas induction pole of first gas inductor (8), and the right-hand member of first gas induction pole runs through gas cylinder pipe (6) and extends to the inboard of gas cylinder pipe (6), the outside fixedly connected with second gas induction pole of second gas inductor (13), and the right-hand member of second gas induction pole runs through fixed welder (12) and extends to the inboard of fixed welder (12).

10. An automatically opening and closing valve for a gas cylinder according to claim 2, wherein: the inner sides of the two fixed screw blocks (14) are respectively provided with a threaded through hole matched with the threads on the outer sides of the two movable screw rods (15), and one end of the movable screw rod (15) away from the movable rotating handle (19) sequentially penetrates through the supporting box (1), the fixed screw blocks (14), the movable clamping plates (17) and the rolling bearings (16) and extends to the inner sides of the rolling bearings (16).