CN214305454U

CN214305454U - Gas-tight structure of pipeline valve for gas filling

Info

Publication number: CN214305454U
Application number: CN202120562524.5U
Authority: CN
Inventors: 杨美环; 卢金义; 曾锋
Original assignee: Shenzhen Chagnshen Gas Co ltd
Current assignee: Shenzhen Chagnshen Gas Co ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-09-28
Anticipated expiration: 2031-03-18

Abstract

The utility model relates to an airtight structure of gas filling pipe valve for dress, relate to the gaseous technical field who fills dress, it includes inflation joint, inflation joint's the department of giving vent to anger department is provided with the choke valve, the outer wall and the inflation joint inner wall laminating setting of choke valve, be provided with the gas guide hole on the length direction of choke valve, the central axis that the choke valve was kept away from to the gas guide hole sets up, be provided with on the choke valve and open the valve part, it includes opening valve groove and block tongue to open the valve part, it is provided with the card with the block tongue adaptation in the valve groove to open, the block tongue is kept away from the one end of opening the valve groove and is worn to locate inflation joint's lateral wall, inflation joint's outer wall is provided with and has elastic sealed pressing cap, the sealed tip of locating the block tongue according to the cap cover, sealed border of pressing cap is provided with the brim of a hat, the brim of a hat is fixed in the mounting panel. This application has the probability that reduces inflation valve joint residual gas and spill.

Description

Gas-tight structure of pipeline valve for gas filling

Technical Field

The application relates to the technical field of gas filling, in particular to an airtight structure of a pipeline valve for gas filling.

Background

Gas filling is a fundamental part of the gas use, storage and transport, and in the gas filling process, a valve is often installed in the filling pipe to control the gas filling process.

The related technology is seen in the Chinese utility model patent with the application number of 201220545458.1, which discloses an inflation valve, comprising a whistle, an elastic piece, an O-shaped ring and a joint; one end of the whistle is provided with a blowing nozzle, the other end of the whistle is provided with a base, a first boss is arranged on the inner surface of one end of the joint, one surface of the O-shaped ring is abutted against the base, the other surface of the O-shaped ring is abutted against the lower surface of the first boss, and the elastic element is arranged in the base and fixed between the whistle and the first boss.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: residual gas exists in the whistle part after the inflation is finished, and gas is wasted.

SUMMERY OF THE UTILITY MODEL

In order to reduce the probability that inflation valve connects residual gas and leaks, this application provides a gas-tight structure of pipeline valve for gas filling.

The application provides a gas filling is with airtight structure of pipeline valve door adopts following technical scheme:

the utility model provides an airtight structure of pipeline valve for gas filling, includes inflatable joint, inflatable joint's the department of giving vent to anger department is provided with the choke valve, the outer wall and the inflatable joint inner wall laminating setting of choke valve, be provided with the gas guide hole on the length direction of choke valve, the central axis setting of choke valve is kept away from to the gas guide hole, be provided with on the choke valve and open the valve part, open the valve part including opening valve groove and block tongue, open the valve inslot be provided with the card of block tongue adaptation and move the piece, the block tongue is kept away from the one end of opening the valve groove and is worn to locate inflatable joint's lateral wall, inflatable joint's outer wall is provided with and has elastic sealed press the cap, the sealed tip of locating the block tongue according to the cap cover, sealed border according to the press the cap is provided with the brim of a hat, the brim of a hat is fixed in the mounting panel.

By adopting the technical scheme, the clamping tongue is abutted to the clamping moving block, a worker can press the sealing pressing cap to move the clamping moving block to drive the air blocking valve to move, so that the air guide hole is communicated with the air inlet end and the air outlet end of the inflation connector, the sealing pressing cap is loosened after inflation is finished, the clamping tongue and the air blocking valve return, the air outlet end of the inflation connector is blocked by the air blocking valve again, and the probability of leakage of gas in the inflation connector is reduced.

Optionally, the choke valve is close to the end of giving vent to anger of inflation joint and is provided with the elasticity conical head, it is provided with the bell mouth to inflate one side that the end of giving vent to anger is held to the head, the one end and the bell mouth mutual adaptation that the elasticity conical head is close to the bell mouth.

Through adopting above-mentioned technical scheme, aerify the end, under gaseous punching press for elasticity conical head butt in bell mouth, simultaneously, because gaseous punching press for there is the trend towards the end removal of giving vent to anger of inflating joint in choke valve, makes the leakproofness between elasticity conical head and the bell mouth better.

Optionally, an elastic round table is fixed at one end, away from the air outlet end of the air-blocking valve, of the air-filling connector, and an air-blocking wall matched with the elastic round table is arranged on the inner wall of the air-filling connector.

Through adopting above-mentioned technical scheme, aerify the end, under gaseous punching press, the probability that gaseous from leaking between the inner wall of choke valve and inflation joint is reduced to elasticity round platform cooperation choke wall.

Optionally, a return spring is arranged in the sealed pressing cap, the return spring is sleeved on the outer wall of the opening valve, a return plate is fixed at one end, close to the sealed pressing cap, of the opening valve, one end of the return spring abuts against the return plate, and the other end of the return spring abuts against the outer wall of the inflation connector.

By adopting the technical scheme, after inflation is finished, the reset spring can help the valve opening member to retreat, so that the choke valve can move towards the air outlet end of the inflation connector more easily.

Optionally, the side wall of the sealing pressing cap is provided with a corrugated structure.

Through adopting above-mentioned technical scheme, the toughness of sealed pressing cap can be improved to the ripple structure, reduces sealed according to the impaired probability of cap crimping.

Optionally, be provided with the seal groove on the outer wall of inflation joint, one side that the brim of a hat of sealed pressing cap is close to the outer wall of inflation joint is fixed with the sealing ring, sealing ring and seal groove adaptation.

Through adopting above-mentioned technical scheme, the sealed groove cooperation sealing ring has reduced the probability that gas leaks from sealed press cap border, has improved the seal of sealed press cap.

Optionally, one side of the brim of the sealing pressing cap, which is far away from the mounting plate, is provided with a reinforcing ring plate, and the reinforcing ring plate is fixed on the mounting plate through bolts.

Through adopting above-mentioned technical scheme, the reinforcing ring cooperation bolt has improved sealed installation stability according to the pressure cap.

Optionally, a cap protection pipe is fixed to the outer wall of the inflation connector, the cap protection pipe is sleeved on the sealing pressing cap, one end of the cap protection pipe is fixed to the outer wall of the inflation connector, one end, far away from the outer wall of the inflation connector, of the cap protection pipe is in threaded connection with a pressing piece, and the pressing piece abuts against the sealing pressing cap.

Through adopting above-mentioned technical scheme, the probability that sealed press cap damaged can be reduced to the helmet pipe on the one hand, and on the other hand staff can support to pressing the cap through rotatory press part to sealed press cap supports and presses to improve sealed use convenience according to the cap, reduce the probability that the staff hand pressed for a long time and lead to fatigue.

Optionally, a wear part is arranged between the pressing part and the sealing pressing cap, and the wear part is located in the cap protection pipe and is in sliding connection with the cap protection pipe.

Through adopting above-mentioned technical scheme, wearing and tearing piece can make the direct contact not of press piece and sealed press the cap, reduces the probability of sealed press the cap damage.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the clamping tongue abuts against the clamping moving block, a worker can press the sealing pressing cap to enable the clamping moving block to move and drive the gas barrier valve to move, so that the gas guide hole is communicated with the gas inlet end and the gas outlet end of the inflation connector, the sealing pressing cap is loosened after inflation is finished, the clamping tongue and the gas barrier valve retreat, the gas outlet end of the inflation connector is plugged by the gas barrier valve again, and the probability of gas leakage in the inflation connector is reduced;

2. the probability that the sealed pressing cap is damaged can be reduced to the helmet pipe, and the butt piece on the helmet pipe can improve the sealed use convenience of pressing the cap simultaneously.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a cross-sectional view taken along the plane a-a in fig. 1.

Fig. 3 is an enlarged view of a portion C in fig. 2.

Fig. 4 is a cross-sectional view taken along the plane B-B in fig. 1.

Description of reference numerals: 1. an inflation joint; 11. a tapered hole; 12. a gas barrier wall; 2. a choke valve; 21. a conical head; 22. an air vent; 23. an elastic round table; 24. opening the valve; 241. opening a valve groove; 242. clamping and moving the block; 243. a latch; 2431. a reset plate; 25. a return spring; 3. sealing the pressing cap; 31. a brim; 32. a seal ring; 4. reinforcing the ring plate; 5. a cap protecting pipe; 6. a pressing member; 61. a support rod; 62. twisting a plate; 7. a wear member.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses gas-tight structure of pipeline valve for gas filling. Referring to fig. 1 and 2, the airtight structure of the gas filling pipe valve includes a gas filling connector 1, and a choke valve 2 and a valve opener 24 provided at the gas outlet end of the gas filling connector 1.

Referring to fig. 3 and 4, the inflation connector 1 is of a tubular structure, one end of the inflation connector 1 is an air inlet end, the other end of the inflation connector 1 is an air outlet end, the inner diameter of the air outlet end is smaller than that of the air inlet end, the air blocking valve 2 is of a columnar structure and is made of rubber, the air blocking valve 2 and the inflation connector 1 are arranged in the same central axis, the outer wall of the air blocking valve 2 is matched with the inner wall of the inflation connector 1, and the air blocking valve 2 is connected in the inflation connector 1 in a sliding mode; the tail end of the air outlet end of the air inflation connector 1 is provided with a conical hole 11, the tail end of the conical hole 11 close to the air outlet end of the air inflation connector 1 is a small end, one end of the air lock valve 2 close to the air outlet end of the air inflation connector 1 is provided with an elastic conical head 21, and the conical head 21 is matched with the conical hole 11; an air guide hole 22 is arranged along the length direction of the choke valve 2, the air guide hole 22 is arranged far away from the central axis of the choke valve 2, and two ends of the air guide hole 22 penetrate through the choke valve 2; when the gas-tight connector is used, air pressure is generated by air inflow at the air inlet end of the gas-tight connector 1, the gas-tight valve 2 is pushed towards the air outlet end of the gas-tight connector 1, the conical head 21 part of the gas-tight valve 2 is abutted against the side wall of the conical hole 11, the conical head 21 is made to block the conical hole 11, and therefore gas leakage is reduced.

After the inflation connector 1 is used, in order to reduce the probability of gas leakage from the air blocking valve 2 and the inner wall of the inflation connector 1, an elastic round table 23 is fixed at one end of the air blocking valve 2, which is far away from the air outlet end of the inflation connector 1, the elastic round table 23 and the air blocking valve 2 are arranged in the same central axis, one end of the elastic round table 23, which is close to a conical head 21 of the air blocking valve 2, is a small end, the elastic round table 23 is made of rubber materials and is integrally formed by the air blocking valve 2, and meanwhile, the air guide hole 22 penetrates through the elastic round table 23; the inner wall of the inflation connector 1 is provided with a gas barrier wall 12 matched with the elastic round table 23, and the gas barrier wall 12 is positioned at the joint of the inner wall of the inflation connector 1 with the large and small inner diameters; when the air-tight connector is used, air pressure is generated by air inflow at the air inlet end of the air-tight connector 1, the air-tight valve 2 is pushed towards the air outlet end of the air-tight connector 1, and the elastic circular truncated cone 23 abuts against the air-tight wall 12, so that the probability of air leakage from a connecting gap between the air-tight valve 2 and the inner wall of the air-tight connector 1 is reduced.

The valve opening device 24 comprises a valve opening groove 241, the valve opening groove 241 is made of metal materials, the valve opening groove 241 is of a rectangular groove structure, the valve opening groove 241 is arranged along the length square of the valve opening device 24, the valve opening groove 241 is embedded in the side wall of the valve opening device 24, and the notch of the valve opening groove is flush with the outer wall of the valve opening device 24; a clamping and moving block 242 which is integrally formed with the valve opening groove 241 is arranged in the valve opening groove 241, the clamping and moving block 242 is of a cuboid structure, the length direction of the clamping and moving block 242 is arranged along the depth direction of the valve opening groove 241, and the clamping and moving block 242 is positioned on one side, away from the conical head 21, of the valve opening groove 241; one surface of the clamping block 242, which is close to the notch of the valve opening groove 241, is inclined, and one end of the inclined surface, which is far away from the groove wall of the valve opening groove 241, is inclined downwards towards the bottom of the valve opening groove 241.

The valve opening component 24 further comprises a latch 243, the latch 243 is of a rectangular parallelepiped structure and is arranged along the depth direction of the valve opening groove 241, one end of the latch 243 close to the clamping and moving block 242 is provided with an abutting surface matched with the inclined surface of the clamping and moving block 242, and one end of the latch 243 far away from the valve opening groove 241 penetrates through the side wall of the inflation connector 1; when the gas check valve is used, the clamping tongue 243 is pressed towards the bottom of the valve opening groove 241, so that the inclined surface of the clamping moving block 242 and the abutting surface of the clamping tongue 243 are staggered, the valve opening groove 241 drives the gas check valve 2 to slide towards one end far away from the gas outlet end of the gas charging connector 1, and the gas guide hole 22 is communicated to open the gas check valve 2.

In order to improve the sealing performance of the connection between the latch 243 and the sidewall of the inflation connector 1, an elastic sealing pressing cap 3 is disposed at one end of the latch 243, which is away from the valve opening groove 241, the sealing pressing cap 3 is a circular tube structure with a closed end, the end of the latch 243 is sleeved at the open end of the sealing pressing cap 3, the sealing pressing cap 3 is made of rubber, a brim 31 is disposed at the edge of the open end of the sealing pressing cap 3, the brim 31 is an annular plate structure formed by integrally extending the open edge of the sealing pressing cap 3, which is away from the central axis of the sealing pressing cap 3, the surface of the brim 31 is parallel to the outer wall of the inflation connector 1, and one side of the brim 31, which is close to the outer wall of the inflation connector 1, is fixedly bonded to the outer wall of the inflation connector 1.

In order to improve the use effect of the latch 243, a reset plate 2431 is arranged at one end of the latch 243 far away from the valve opening groove 241, the reset plate 2431 and the latch 243 are arranged on the same central axis and are welded and fixed at the end part of the latch 243, and the outer diameter of the reset plate 2431 is larger than the width of the end part of the latch 243 and is smaller than the inner diameter of the sealing pressing cap 3; the outer wall of the clamping tongue 243 is sleeved with a return spring 25, one end of the return spring 25 abuts against the return plate 2431, the other end of the return spring 25 abuts against the outer wall of the inflation connector 1, and one side, away from the return spring 25, of the return plate 2431 abuts against the bottom of the sealing pressing cap 3; when the gas-tight valve is used, after the inflation is finished, the return spring 25 can assist the clamping tongue 243 to retreat, so that the probability that the gas-tight valve 2 is clamped is reduced.

In order to improve the use effect of the sealing pressing cap 3, a sealing ring 32 is arranged on one side of the brim 31 close to the outer wall of the inflation connector 1, the sealing ring 32 is of a ring pipe structure and is arranged on the same central axis with the sealing pressing cap 3, and the sealing ring 32 is integrally formed by the sealing pressing cap 3; the outer wall of the inflation connector 1 is provided with a sealing groove which is arranged around the brim 31 of the sealing pressing cap 3, so that the sealing groove is matched with the sealing ring 32; the sealing groove is matched with the sealing ring 32, so that the contact area between the cap peak 31 and the outer wall of the inflation connector 1 is increased, the installation stability of the sealed pressing cap 3 is improved, meanwhile, the sealing ring 32 can play a certain plugging role in a connecting gap between the cap peak 31 and the outer wall of the inflation connector 1, and therefore the sealing performance of the sealed pressing cap 3 is improved.

In order to further improve the use effect of the sealing pressing cap 3, the part of the sealing pressing cap 3 in a tubular structure is provided with a corrugated structure, and the corrugated structure is uniformly arranged along the central axis direction of the sealing pressing cap 3; during the use, when the staff presses sealed cap 3 according to, sealed cap 3 according to pressing can take place to warp under the guide of ripple structure, and ripple structure can improve the toughness of sealed cap 3 according to pressing, reduces sealed cap 3 according to the impaired probability of rolling over and pressing.

In order to improve the sealing effect of the sealing pressing cap 3, a reinforcing ring plate 4 is arranged on one side of the cap peak 31, which is far away from the outer wall of the inflation connector 1, the inner ring of the reinforcing ring plate 4 is sleeved on the outer wall of the sealing pressing cap 3, the plate surface of the reinforcing ring plate 4 abuts against the cap peak 31 of the sealing pressing cap 3, a plurality of fixing parts are uniformly arranged on the outer ring edge of the reinforcing ring plate 4, and the fixing parts are fixed on the outer wall of the inflation connector 1 through screws; during the use, reinforce the annular plate 4 and can reduce sealed probability that takes place to drop according to cap 3, improve the installation stability of sealed cap 3 of pressing.

In order to reduce the probability of damaging the sealing pressing cap 3, a protecting cap tube 5 is sleeved outside the sealing pressing cap 3, and the protecting cap tube 5 is made of hard materials, such as: the protective cap tube 5 is of a tubular structure with one closed end, the protective cap tube 5 and the sealing pressing cap 3 are arranged on the same central axis, the opening end of the protective cap tube 5 is far away from a folding part which is integrally formed on the central axis of the protective cap tube 5, and the folding part is fixed on the outer wall of the inflation connector 1 through a bolt; a pressing piece 6 is arranged at one end, far away from the folding part, of the cap protection pipe 5, the pressing piece 6 comprises a pressing rod 61 and a twisting plate 62, the pressing rod 61 is welded and fixed on one side of the twisting plate 62 along the same central axis, the pressing rod 61 penetrates through one end, far away from the folding part, of the cap protection pipe 5 and is arranged along the same central axis as the cap protection pipe 5, and the pressing rod 61 is in threaded connection with the pipe wall of the cap protection pipe 5; during the use, the staff turns round board 62 through rotating for support pole 61 and remove towards sealed pressing cap 3, thereby realize pressing cap 3 to sealed pressing cap 3, improved sealed use convenience according to cap 3, reduce the staff hand and press for a long time and lead to tired probability.

In order to reduce the damage probability of the sealing pressing cap 3, a wear part 7 is arranged between the abutting rod 61 and the sealing pressing cap 3, the wear part 7 is made of metal materials, the outer diameter of the wear part 7 is close to the inner diameter of the protective cap pipe 5, so that the wear part 7 is connected to the inner wall of the protective cap pipe 5 in a sliding mode, one side, close to the abutting rod 61, of the wear part 7 is subjected to smoothing treatment, the roughness of the surface of the wear part 7 is reduced, the rotation of the abutting rod 61 is facilitated, the wear part 7 enables the abutting part and the sealing pressing cap 3 not to be directly contacted by the abutting rod 61, and therefore the probability that the abutting rod 61 wears the sealing pressing cap 3 is reduced.

The embodiment of the airtight structure of the pipeline valve for gas filling of the embodiment of the application is as follows: firstly, connecting an air outlet end of an air charging device to an air inlet end of an air charging connector 1; then the air outlet end of the air charging connector 1 is connected with the air inlet end of the device needing air charging; after the inflation device is started, the rotating torsion plate 62 presses the abutting rod 61 against the sealing pressing cap 3, and the gas barrier valve 2 moves towards the gas outlet end far away from the inflation connector 1, so that the gas guide hole 22 conducts the gas outlet end and the gas inlet end of the inflation connector 1; after the inflation is finished, the torsion plate 62 is reversed, so that the air choke valve 2 retracts under the pressing of the air pressure of the inflation device and blocks the air outlet end of the inflation connector 1; finally, the air inlet end of the device to be inflated is sealed, and the inflation connector 1 is removed from the device to be inflated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an airtight structure of pipeline valve for gas filling which characterized in that: including inflating joint (1), the department of giving vent to anger of inflating joint (1) is provided with choke valve (2), the outer wall and the interior wall laminating setting of inflating joint (1) of choke valve (2), be provided with air guide hole (22) on the length direction of choke valve (2), the central axis setting of choke valve (2) is kept away from in air guide hole (22), be provided with on choke valve (2) and open valve member (24), open valve member (24) including opening valve groove (241) and block tongue (243), it moves piece (242) with the block tongue (243) adaptation to open to be provided with in valve groove (241), the lateral wall of inflating joint (1) is worn to locate by the one end that open valve groove (241) was kept away from in block tongue (243), the outer wall of inflating joint (1) is provided with elastic sealed pressing cap (3) of pressing, the tip of block tongue (243) is located to sealed cap (3) cover, the edge of the sealed pressing cap (3) is provided with a cap peak (31), and the cap peak (31) is fixed on the mounting plate.

2. The gas-tight structure of a gas-filled piping valve according to claim 1, wherein: the air valve (2) is provided with an elastic conical head (21) near the air outlet end of the air inflation connector (1), one side of the air inflation connector (1) near the air outlet end is provided with a conical hole (11), and one end of the elastic conical head (21) near the conical hole (11) is matched with the conical hole (11) mutually.

3. The gas-tight structure of a gas-filled piping valve according to claim 1, wherein: an elastic round table (23) is fixed at one end, far away from the air outlet end of the air-blocking valve (2), of the air-inflating joint (1), and an air-blocking wall (12) matched with the elastic round table (23) is arranged on the inner wall of the air-inflating joint (1).

4. The gas-tight structure of a gas-filled piping valve according to claim 1, wherein: be provided with reset spring (25) in sealed cap (3) of pressing, reset spring (25) cover is located and is opened valve member (24) outer wall, open valve member (24) and be close to sealed one end of pressing cap (3) and be fixed with reset plate (2431), reset spring (25) one end butt in reset plate (2431), reset spring (25) other end butt inflation joint (1) outer wall.

5. Gas-tight structure of a gas-filled duct valve according to any one of claims 1-4, wherein: the side wall of the sealing pressing cap (3) is provided with a corrugated structure.

6. Gas-tight structure of a gas-filled duct valve according to any one of claims 1-4, wherein: be provided with the seal groove on the outer wall of inflation joint (1), one side that brim of a hat (31) of sealed pressing cap (3) is close to the outer wall of inflation joint (1) is fixed with sealing ring (32), sealing ring (32) and seal groove adaptation.

7. Gas-tight structure of a gas-filled duct valve according to any one of claims 1-4, wherein: one side of the brim (31) of the sealing pressing cap (3) far away from the mounting plate is provided with a reinforcing ring plate (4), and the reinforcing ring plate (4) is fixed on the mounting plate through bolts.

8. Gas-tight structure of a gas-filled duct valve according to any one of claims 1-4, wherein: the sealing device is characterized in that a cap protection pipe (5) is fixed on the outer wall of the inflation connector (1), the cap protection pipe (5) is sleeved on the sealing pressing cap (3), one end of the cap protection pipe (5) is fixed on the outer wall of the inflation connector (1), one end, far away from the outer wall of the inflation connector (1), of the cap protection pipe (5) is in threaded connection with a pressing piece (6), and the pressing piece (6) abuts against the sealing pressing cap (3).

9. The gas-tight structure of a gas-filling duct valve according to claim 8, wherein: and a wear part (7) is arranged between the pressing part (6) and the sealing pressing cap (3), and the wear part (7) is positioned in the cap protecting pipe (5) and is in sliding connection with the cap protecting pipe (5).