CN214535681U - Valve for gas bottle - Google Patents
Valve for gas bottle Download PDFInfo
- Publication number
- CN214535681U CN214535681U CN202120895247.XU CN202120895247U CN214535681U CN 214535681 U CN214535681 U CN 214535681U CN 202120895247 U CN202120895247 U CN 202120895247U CN 214535681 U CN214535681 U CN 214535681U
- Authority
- CN
- China
- Prior art keywords
- valve
- sealing
- section
- piece
- valve rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a valve for gas bottle is including being provided with import, export, intercommunication passageway and release passage's valve body, be used for the valve rod and the first piece that resets of sealed import and export, be used for the valve rod first elasticity that resets, be used for the case and the second of sealed release passage to reset, be used for the second elasticity that the case resets to reset and be used for connecting with the supporting joint of gas appliances and export. The utility model provides a valve for a gas bottle, which can automatically close the valve when a matching joint connected with a gas burner falls off from the outlet of a valve body, thereby avoiding the leakage phenomenon; and it is provided with release passage and case, can release the gas in the gas bottle to the external world, avoids the gas bottle to go out the appearance high pressure phenomenon.
Description
Technical Field
The utility model belongs to the technical field of the valve and specifically relates to a valve for gas bottle.
Background
With the improvement of living conditions of people, heating equipment on dining tables is continuously innovated, wherein the heating equipment comprises gas burners connected with gas bottles. At present, a gas bottle and a gas burner are connected directly through a pipeline; in the above situation, there is a certain hidden trouble of installation: if the pipeline falls off from the gas bottle and is not found in time, gas leakage can be caused; if the gas pressure in the gas bottle is too high, the gas bottle may explode.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a valve for a gas bottle, which can automatically close the valve when a matched joint connected with a gas appliance falls off from the outlet of a valve body, thereby avoiding the leakage phenomenon; and it is provided with release passage and case, can release the gas in the gas bottle to the external world, avoids the gas bottle to go out the appearance high pressure phenomenon.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a valve for a gas cylinder comprises
A valve body provided with an inlet establishing fluid communication with a gas cylinder, an outlet establishing fluid communication with a gas burner, a communication passage for communicating the inlet and the outlet, and a release passage; the inner wall of the communication channel protrudes between the inlet and the outlet to form a sealing matching protrusion; the release passage comprises an outer section establishing fluid communication with the outside and an inner section establishing fluid communication with the communication passage between the inlet and the seal fit protrusion, the inner section is communicated with the outer section, and the aperture of the inner section is smaller than that of the outer section;
the valve rod is movably arranged in the communication channel, and a first sealing element in sealing fit with the sealing fit bulge is arranged on the valve rod;
the first elastic resetting piece acts on the valve rod to enable the first sealing piece to always have the tendency of moving towards the direction of the sealing matching protrusion;
the valve core is positioned in the outer side section, one side of the valve core, facing the inner side section, is provided with a second sealing element, and the second sealing element can completely cover a first opening of the inner side section, which is communicated with the outer side section;
a second resilient return member acting on said second seal member to tend toward said inboard section;
the matching connector is used for connecting the gas appliance with the outlet, and the matching connector drives the valve rod to enable the first sealing element to move towards the side far away from the sealing matching protrusion in the state that the matching connector is installed on the outlet.
When the valve is used, one side of the valve body, which is provided with the inlet, is connected with a gas bottle, and a gas burner is connected with the outlet through a matching joint which is matched with the valve for the gas bottle; when the matching joint is installed at the outlet, the matching joint drives the valve rod to overcome the acting force of the first elastic resetting piece, the first sealing piece moves to the side far away from the sealing matching protrusion, so that the sealing between the first sealing piece and the sealing matching protrusion is released, the inlet is communicated with the outlet through the connecting channel, and the gas in the gas bottle can flow to the gas appliance for use; when the mating connector is separated from the inlet, the first sealing element moves towards the side close to the sealing matching protrusion under the action of the first resetting piece of the valve rod until the first sealing element is in sealing matching with the sealing matching protrusion.
By adopting the structure, in the using process, if the matched joint falls off from the outlet, the valve for the gas bottle can automatically shut off the communication between the inlet and the outlet, so that the potential safety hazard caused by the leakage of a large amount of gas in the gas bottle is avoided.
When the valve for the gas bottle is used, if the gas pressure in the gas bottle is too high, the gas pressure in the gas bottle pushes the valve core to move to the side far away from the inner side section by overcoming the acting force of the second elastic reset piece, so that the sealing between the second sealing piece and the first opening is released, and the excessive gas pressure is released in the gas bottle through the release channel; when the air pressure in the gas bottle is normal, the valve core moves towards the side close to the inner side section under the action of the second elastic resetting piece until the valve core is in sealing fit with the second sealing piece and the first opening; in the releasing process, only a small amount of gas in the gas bottle can be released, so that potential safety hazards cannot be caused; by adopting the structure, potential safety hazards caused by overhigh air pressure in the gas bottle can be effectively avoided.
Specifically, the first sealing element and the second sealing element adopt sealing flat gaskets; the first elastic reset piece and the second elastic reset piece adopt springs.
Further, the valve rod is made of a high-quality raw material HPb59-3 copper bar; the first sealing element and the second sealing element are made of ethylene propylene rubber.
By adopting the structure, the valve rod has good wear resistance and is not easy to deform; the first sealing element and the second sealing element have better sealing effect.
Further, the valve for the gas bottle comprises a valve rod seat, the valve rod seat is arranged in a communication channel between the inlet and the sealing matching protrusion and is matched and fixed with the inner wall of the communication channel, and a through channel penetrates through the valve rod seat along the arrangement direction of the communication channel; the valve rod is arranged between the valve rod seat and the sealing matching bulge, and one side provided with the first sealing element faces the sealing matching bulge; the through passage comprises a guide hole which faces one side of the valve rod and is provided with a hole diameter matched with the diameter of one end of the valve rod, which is not provided with the first sealing element, and the end of the valve rod, which is not provided with the first sealing element, extends into the guide hole;
the valve rod is pressed down by the mating connector in a state where the mating connector is mounted on the outlet.
With the adoption of the result, the guide hole is used for guiding the movement of the valve rod, so that the stability of the operation of the valve rod is ensured; specifically, the valve rod seat is fixed to the inner wall of the communication passage through threads.
Further, the through channel comprises a through hole which is far away from one side of the valve rod and has a smaller hole diameter than the guide hole, and a first abutting part is formed at the connecting part of the through hole and the guide hole; one end of the first elastic resetting piece is abutted against one end, not provided with the first sealing piece, of the valve rod, the other end of the first elastic resetting piece is abutted against the first abutting part, and the first elastic resetting piece is in a compression state.
By adopting the structure, because the first elastic resetting piece is in a compressed state, the first elastic resetting piece always applies force towards the sealing matching bulge to the valve rod, so that the first sealing piece always has a trend of moving towards the sealing matching bulge, namely the first sealing piece always has a trend of being in sealing matching with the sealing matching bulge; in the structure, the first elastic piece resetting piece is positioned in the guide hole, so that the first elastic piece resetting piece can be prevented from being twisted and deformed in the middle of the stretching process.
Further, the valve for the gas bottle comprises a second elastic piece seat fixed at the port of the outer side section facing the outside, one end of a second elastic reset piece is abutted against one side of the valve core where the second sealing piece is not arranged, the other end of the second elastic reset piece is abutted against the second elastic piece seat, and the second elastic reset piece is in a compressed state.
With the structure, the second elastic resetting piece is in a compressed state, so that the second elastic resetting piece always applies force towards the inner side section to the valve core, the second sealing piece always has a trend of moving towards the inner side section, namely the second sealing piece always has a trend of being in sealing fit with the first opening.
Further, the second elastic seat comprises a second abutting part and a fixing part, the diameter of the second abutting part is matched with that of a port of the outer side section facing the outside, the fixing part extends into the outer side section from the periphery of the second abutting part, and the second abutting part is provided with a through hole to communicate the outer side section with the outside; the support portion orientation the second elasticity resets the protruding first cover of establishing of piece side and establishes the arch, the case orientation the second elasticity resets the protruding second cover of piece side and establishes the arch, the both ends of second elasticity resets and overlaps respectively to be established protruding and the second cover of establishing protruding upward in the first cover.
By adopting the structure, the second elastic reset piece is more stably arranged between the second elastic seat and the valve core.
Further, the first opening extends and protrudes towards the outer section side to form an opening extension.
By adopting the structure, the second sealing element is in sealing fit with the opening extending part, so that the sealing effect between the second sealing element and the first opening is improved.
Further, the sealing matching protrusion encloses to form a second opening; the first seal member includes a frustum section formed toward a seal-engaging convex side; the diameter of the frustum cone section is gradually increased along the direction far away from the sealing matching protrusion, the minimum diameter of the frustum cone section is smaller than the aperture of the second opening, and the maximum diameter of the frustum cone section is larger than the aperture of the second opening.
Due to the fact that the first sealing element can incline when the valve rod is close to the sealing matching protrusion, with the structure, the second sealing element is provided with the frustum cone section, and even if the second sealing element inclines, the second sealing element can be in sealing matching with the sealing matching protrusion;
and when first elasticity piece that resets acted on the valve rod, first sealing member is provided with the frustum of a cone section and can makes first sealing member with sealed effect between the protruding is better.
Further, the valve rod is arranged on the upper side and the lower side of the first sealing element and is respectively protruded to form a first limiting protrusion and a second limiting protrusion.
By adopting the structure, the first sealing element is limited between the first limiting protrusion and the second limiting protrusion, so that the valve for the gas bottle can run more stably.
Further, first spacing arch includes installation frustum portion, the diameter of installation frustum is along gradually increasing towards first sealing member direction, the biggest diameter of installation frustum is greater than first sealing member towards the outside diameter of first spacing protruding side.
By adopting the structure, the installation frustum part is convenient for the installation of the first sealing element, specifically, the maximum diameter of the installation frustum is slightly larger than the outer diameter of the first sealing element towards the first limiting protrusion side.
Further, the valve for the gas bottle comprises a protective sleeve which is arranged on one side of the valve body where the outlet is arranged and used for sealing the outlet.
When the valve for the gas bottle is required to be connected with a gas burner, the protective sleeve is required to be taken down to expose the outlet, and then the gas burner connected with the matched joint is connected to the outlet; when the valve for the gas bottle is not required to be connected with a gas burner, the protective sleeve is required to be arranged at the outlet, so that potential safety hazards caused by the fact that sundries enter the outlet to open the valve are avoided.
Specifically, the protective sleeve comprises a covering part covering the outlet and an installation part formed by extending the periphery of the covering part to the valve body side; the protective sheath relies on the installation department cover is established the valve body is provided with the outlet side.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the valve for the gas bottle is provided with the valve rod, the first sealing element and the first elastic reset element, and can automatically close the valve when a matched joint connected with a gas appliance falls off from an outlet of a valve body, so that the leakage phenomenon is avoided;
(2) the utility model discloses a valve for gas bottle, it is provided with release passage, case, second sealing member, second elasticity piece that resets, can release the external world with the gas in the gas bottle, avoids appearing high-pressure phenomenon in the gas bottle.
(3) The utility model discloses a valve for gas bottle, its first sealing member is provided with the frustum of a cone section for the sealed effect of first sealing member obtains promoting.
Drawings
Fig. 1 is a schematic structural view of the valve for a gas bottle of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 2;
reference numerals: 1, a valve body; 101 an inlet; 102 an outlet; 103 communicating the channels; 1031 a seal-fitting projection; 1032 a second opening; 104 releasing the channel; 1041 an outer section; 1042 inner section; 1043 a first opening; 1044 an opening extension; 2, a valve rod; 201 a first limiting bulge; 2011 mounting the cone portion; 202 a second limit protrusion; 3 a first seal; 301 a frustum section; 4 a first elastic reset piece; 5, a valve core; 501, arranging a second set of bulges; 6 a second seal; 7 a second elastic reset piece; 8, a valve rod seat; 801 a through channel; 8011 guide holes; 8012 extends through the hole; 8013 a first abutment; 9 a second elastic element seat; 901 a second abutting portion; 902 a fixing part; 903 punching; 904 a first nesting bulge; 10 a protective sleeve; 1001 covering part; 1002 installing a part.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1-3, a valve for a gas cylinder comprises
A valve body 1 provided with an inlet 101 establishing fluid communication with a gas cylinder, an outlet 102 establishing fluid communication with a gas appliance, a communication passage 103 for communicating the inlet 101 with the outlet 102, and a release passage 104; the inner wall of the communication passage 103 protrudes between the inlet 101 and the outlet 102 to form a sealing engagement protrusion 1031; the release passage 104 comprises an outer section 1041 establishing fluid communication with the outside, and an inner section 1042 establishing fluid communication with the communication passage 103 between the inlet 101 and the seal fitting protrusion 1031, the inner section 1042 being in communication with the outer section 1041 and the inner section 1042 having a smaller aperture than the outer section 1041;
the valve rod 2 is movably arranged in the communication channel 103, and a first sealing member 3 in sealing fit with the sealing fit protrusion 1031 is arranged on the valve rod 2;
a first elastic return member 4 acting on the valve stem 2 to make the first sealing member 3 always have a tendency to move toward the sealing engagement protrusion 1031;
a spool 5 located in the outer section 1041, a second seal 6 is disposed on a side of the spool 5 facing the inner section 1042, and the second seal 6 can completely cover a first opening 1043 of the inner section 1042, which communicates with the outer section 1041;
a second resilient return member 7 acting on said second seal member 6 to have a tendency to move towards said inner section 1042;
and a mating connector for connecting a gas appliance to the outlet 102, wherein in a state where the mating connector is mounted on the outlet 102, the mating connector drives the valve rod 2 so that the first sealing member 3 moves away from the sealing engagement protrusion 1031.
When the valve is used, one side, provided with the inlet 101, of the valve body 1 is connected with a gas bottle, and a gas appliance is connected with the outlet 102 through a matched joint matched with the valve for the gas bottle; when the mating connector is mounted at the outlet 102, the mating connector drives the valve rod 2 to overcome the acting force of the first elastic resetting piece 4, the first sealing piece 3 moves to the side away from the sealing matching protrusion 1031, so that the sealing between the first sealing piece 3 and the sealing matching protrusion 1031 is released, the inlet 101 is communicated with the outlet 102 through the connecting channel, and the gas in the gas bottle can flow to the gas appliance for use; when the mating connector is disengaged from the inlet 101, the valve rod 2 is under the action of the first resetting member, and the first sealing member 3 moves to the side close to the sealing engagement protrusion 1031 until the first sealing member 3 is in sealing engagement with the sealing engagement protrusion 1031.
By adopting the structure, in the using process, if the matched joint falls off from the outlet 102, the valve for the gas bottle can automatically shut off the communication between the inlet 101 and the outlet 102, so that the potential safety hazard caused by the leakage of a large amount of gas in the gas bottle is avoided.
When the valve for the gas bottle is used, if the gas pressure in the gas bottle is too high, the gas pressure in the gas bottle pushes the valve core 5 to move to the side far away from the inner side section 1042 by overcoming the acting force of the second elastic reset piece 7, so that the sealing between the second sealing piece 6 and the first opening 1043 is released, and the excessive gas pressure in the gas bottle is released through the release passage 104; when the air pressure in the gas bottle is normal, the valve core 5 moves towards the side close to the inner side section 1042 under the action of the second elastic reset piece 7 until the valve core is in sealing fit with the second sealing piece 6 and the ground first opening 1043; in the releasing process, only a small amount of gas in the gas bottle can be released, so that potential safety hazards cannot be caused; by adopting the structure, potential safety hazards caused by overhigh air pressure in the gas bottle can be effectively avoided.
Specifically, the first sealing element 3 and the second sealing element 6 adopt sealing flat gaskets; the first elastic reset piece 4 and the second elastic reset piece 7 adopt springs.
Preferably, the valve rod 2 is made of a high-quality raw material HPb59-3 copper bar; the first sealing element 3 and the second sealing element 6 adopt ethylene propylene rubber.
By adopting the structure, the valve rod 2 has good wear resistance and is not easy to deform; the first sealing member 3 and the second sealing member 6 have better sealing effect.
Preferably, the valve for gas bottle comprises a valve rod seat 8, the valve rod seat 8 is arranged in the communication channel 103 between the inlet 101 and the sealing matching protrusion 1031 and is matched and fixed with the inner wall of the communication channel 103, and the valve rod seat 8 is provided with a through channel 801 along the arrangement direction of the communication channel 103; the valve stem 2 is disposed between the valve stem seat 8 and the seal engagement projection 1031 and a side where the first sealing member 3 is disposed faces the seal engagement projection 1031; the through channel 801 comprises a guide hole 8011 facing one side of the valve stem 2 and having an aperture matched with the diameter of the end of the valve stem 2 where the first sealing member 3 is not arranged, and the end of the valve stem 2 where the first sealing member 3 is not arranged extends into the guide hole 8011;
in a state where the mating connector is mounted on the outlet 102, the mating connector presses down the valve stem 2.
With the above result, the guide hole 8011 is used for guiding the movement of the valve rod 2, so as to ensure the stability of the operation of the valve rod 2; specifically, the valve stem seat 8 is fixed to the inner wall of the communication passage 103 by a screw.
Preferably, the through channel 801 comprises a through hole 8012 with a diameter smaller than that of the guide hole 8011 at a side away from the valve stem 2, and a first abutting part 8013 is formed at a connection part of the through hole 8012 and the guide hole 8011; one end of the first elastic resetting piece 4 abuts against one end, not provided with the first sealing piece 3, of the valve rod 2, the other end of the first elastic resetting piece abuts against the first abutting part 8013, and the first elastic resetting piece 4 is in a compressed state.
With the above structure, since the first elastic restoring member 4 is in a compressed state, the first elastic restoring member 4 always applies a force toward the seal engagement protrusion 1031 to the valve stem 2, so that the first sealing member 3 always has a tendency to move toward the seal engagement protrusion 1031 side, that is, the first sealing member 3 always has a tendency to sealingly engage with the seal engagement protrusion 1031; in the above structure, the first elastic restoring member is located in the guide hole 8011, so that the first elastic restoring member 4 is prevented from being twisted and deformed in the middle of the expansion process.
Preferably, the valve for the gas cylinder comprises a second elastic member seat 9 fixed at the port of the outer section 1041 facing the outside, one end of the second elastic restoring member 7 abuts against one side of the valve core 5 where the second sealing member 6 is not arranged, and the other end of the second elastic restoring member 7 abuts against the second elastic member seat 9, and the second elastic restoring member 7 is in a compressed state.
With the above structure, since the second elastic restoring member 7 is in a compressed state, the second elastic restoring member 7 always applies a force to the valve core 5 toward the inner section 1042, so that the second sealing member 6 always has a tendency to move toward the inner section 1042, that is, the second sealing member 6 always has a tendency to be in sealing engagement with the first opening 1043.
Preferably, the second elastic seat comprises a second abutting portion 901 with a diameter matched with a port of the outer section 1041 facing the outside, and a fixing portion 902 extending from the periphery of the second abutting portion 901 into the outer section 1041, and the second abutting portion 901 is provided with a through hole 903 for communicating the outer section 1041 with the outside; the portion of support is towards the second elasticity resets 7 side arch has first set and establishes arch 904, case 5 orientation the second elasticity resets 7 side arch has the second set to establish arch 501, the both ends of second elasticity resets 7 overlap respectively and establish arch 904 and the second set establish on arch 501.
By adopting the structure, the second elastic reset piece 7 is more stably arranged between the second elastic seat and the valve core 5.
Preferably, the first opening 1043 extends and protrudes to the outer section 1041 side to form an opening extension 1044.
With the above structure, the second sealing element 6 is in sealing fit with the opening extension 1044, so that the sealing effect between the second sealing element 6 and the first opening 1043 is improved.
Preferably, the sealing engagement protrusion 1031 encloses to form a second opening 1032; the first seal member 3 includes a frustum-conical section 301 formed toward the side of the seal-fitting projection 1031; the diameter of the conical frustum section 301 gradually increases along the direction away from the sealing engagement protrusion 1031, and the smallest diameter of the conical frustum section 301 is smaller than the aperture of the second opening 1032, and the largest diameter is larger than the aperture of the second opening 1032.
Due to the fact that the first sealing member 3 may incline when the valve rod 2 is close to the seal matching protrusion 1031, with the structure, the second sealing member 6 is provided with the conical frustum section 301, and even if the second sealing member 6 inclines, the second sealing member 6 can be in seal matching with the seal matching protrusion 1031;
and when the first elastic resetting piece 4 acts on the valve rod 2, the first sealing member 3 is provided with the frustum cone section 301, so that the sealing effect between the first sealing member 3 and the sealing matching protrusion 1031 is better.
Preferably, the valve rod 2 protrudes from both upper and lower sides of the first sealing member 3 to form a first limiting protrusion 201 and a second limiting protrusion 202.
With the structure, the first sealing element 3 is limited between the first limiting protrusion 201 and the second limiting protrusion 202, so that the valve for the gas bottle can operate more stably.
Preferably, the first limiting protrusion 201 includes a mounting frustum portion 2011, a diameter of the mounting frustum gradually increases along a direction toward the first sealing element 3, and a maximum diameter of the mounting frustum is larger than an outer diameter of the first sealing element 3 toward the first limiting protrusion 201 side.
With the above structure, the mounting cone portion 2011 is convenient for mounting the first sealing element 3, specifically, the maximum diameter of the mounting cone is slightly larger than the outer diameter of the first sealing element 3 toward the first limiting protrusion 201 side.
Preferably, the valve for gas cylinder comprises a protective sleeve 10 arranged on the side of the valve body 1 provided with the outlet 102 and used for covering the outlet 102.
When a valve for a gas bottle needs to be connected with a gas appliance, the protective sleeve 10 needs to be removed to expose the outlet 102, and then the gas appliance connected with the matched joint is connected to the outlet 102; when the valve for the gas bottle is not required to be connected with a gas burner, the protective sleeve 10 is required to be arranged at the outlet 102, so that potential safety hazards caused by the fact that sundries enter from the outlet 102 to open the valve are avoided.
Specifically, the protective sleeve 10 includes a covering part 1001 covering the outlet 102, and a mounting part 1002 extending from the outer periphery of the covering part 1001 to the valve body 1 side; the protective sleeve 10 is sleeved on the valve body 1 by means of the mounting part 1002, and the outlet 102 side is arranged on the valve body 1.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A valve for a gas cylinder, comprising: comprises that
A valve body (1) provided with an inlet (101) establishing fluid communication with a gas cylinder, an outlet (102) establishing fluid communication with a gas appliance, a communication passage (103) for communicating the inlet (101) and the outlet (102), and a release passage (104); the inner wall of the communication channel (103) bulges between the inlet (101) and the outlet (102) to form a sealing matching bulge (1031); the release passage (104) comprises an outer section (1041) establishing fluid communication with the outside, and an inner section (1042) establishing fluid communication with the communication passage (103) between the inlet (101) and the seal fitting protrusion (1031), the inner section (1042) is communicated with the outer section (1041) and the inner section (1042) has a smaller aperture than the outer section (1041);
the valve rod (2) is movably arranged in the communication channel (103), and a first sealing element (3) in sealing fit with the sealing fit protrusion (1031) is arranged on the valve rod (2);
a first elastic return member (4) acting on the valve stem (2) to cause the first seal member (3) to always have a tendency to move in a direction toward the seal engagement projection (1031);
the valve core (5) is positioned in the outer side section (1041), a second sealing piece (6) is arranged on one side, facing the inner side section (1042), of the valve core (5), and the second sealing piece (6) can completely cover a first opening (1043) of the inner side section (1042) communicated with the outer side section (1041);
-a second elastic return element (7) acting on said second seal (6) with a tendency to move towards said inner section (1042);
and a mating connector for connecting a gas appliance to the outlet (102), wherein the mating connector drives the valve rod (2) to move the first sealing member (3) to a side away from the sealing engagement protrusion (1031) in a state where the mating connector is mounted on the outlet (102).
2. The valve for a gas cylinder according to claim 1, wherein: the valve rod seat (8) is arranged in a communication channel (103) between the inlet (101) and the sealing matching protrusion (1031) and is matched and fixed with the inner wall of the communication channel (103), and a through channel (801) penetrates through the valve rod seat (8) along the arrangement direction of the communication channel (103); the valve rod (2) is arranged between the valve rod seat (8) and the sealing matching bulge (1031), and one side provided with the first sealing element (3) faces the sealing matching bulge (1031); the through channel (801) comprises a guide hole (8011) facing one side of the valve rod (2) and having an aperture matched with the diameter of one end of the valve rod (2) where the first sealing piece (3) is not arranged, and one end of the valve rod (2) where the first sealing piece (3) is not arranged extends into the guide hole (8011);
the mating connector presses down the valve stem (2) in a state where the mating connector is mounted on the outlet (102).
3. The valve for a gas cylinder according to claim 2, wherein: the through channel (801) comprises a through hole (8012) which is far away from one side of the valve rod (2) and has a hole diameter smaller than that of the guide hole (8011), and a first abutting part (8013) is formed at the connecting part of the through hole (8012) and the guide hole (8011); one end of the first elastic resetting piece (4) abuts against one end, not provided with the first sealing piece (3), of the valve rod (2), the other end of the first elastic resetting piece abuts against the first abutting part (8013), and the first elastic resetting piece (4) is in a compression state.
4. The valve for a gas cylinder according to claim 1, wherein: including fixing outside section (1041) is towards second elastic component seat (9) of external side port department, second elasticity resets piece (7) one end and leans on do not set up in case (5) one side, the other end of second sealing member (6) lean on second elastic component seat (9), just second elasticity resets piece (7) and is in compression state.
5. The valve for a gas cylinder according to claim 4, wherein: the second elastic piece seat comprises a second abutting part (901) with the diameter matched with a port of the outer side section (1041) facing the outside, and a fixing part (902) extending into the outer side section (1041) from the periphery of the second abutting part (901), and the second abutting part (901) is provided with a through hole (903) for communicating the outer side section (1041) with the outside; the portion of support orientation the second elasticity resets piece (7) side arch has first set and establishes arch (904), case (5) orientation the second elasticity resets piece (7) side arch has the second to overlap and establishes arch (501), the both ends of second elasticity resets piece (7) are established respectively the first set is established arch (904) and second set and is established on arch (501).
6. The valve for a gas cylinder according to claim 1, wherein: the first opening (1043) extends towards the outer side section (1041) to form an opening extension part (1044).
7. The valve for a gas cylinder according to claim 1, wherein: the sealing matching protrusion (1031) is enclosed to form a second opening (1032); the first seal member (3) includes a conical frustum section (301) formed toward the side of the seal fitting projection (1031); the diameter of the conical frustum section (301) is gradually increased along the direction far away from the sealing matching bulge (1031), the smallest diameter of the conical frustum section (301) is smaller than the aperture of the second opening (1032), and the largest diameter of the conical frustum section (301) is larger than the aperture of the second opening (1032).
8. The valve for a gas cylinder according to claim 1, wherein: the valve rod (2) is arranged at the upper side and the lower side of the first sealing element (3) and is respectively protruded to form a first limiting protrusion (201) and a second limiting protrusion (202).
9. The valve for a gas cylinder according to claim 8, wherein: first spacing arch (201) are including installation frustum portion (2011), the diameter of installation frustum is along towards first sealing member (3) direction crescent, the biggest diameter of installation frustum is greater than first sealing member (3) are towards the external diameter of first spacing arch (201) side.
10. The valve for a gas cylinder according to claim 8, wherein: the valve comprises a protective sleeve (10) which is arranged on one side of the valve body (1) where an outlet (102) is arranged and used for sealing the outlet (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120895247.XU CN214535681U (en) | 2021-04-26 | 2021-04-26 | Valve for gas bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120895247.XU CN214535681U (en) | 2021-04-26 | 2021-04-26 | Valve for gas bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214535681U true CN214535681U (en) | 2021-10-29 |
Family
ID=78277835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120895247.XU Active CN214535681U (en) | 2021-04-26 | 2021-04-26 | Valve for gas bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214535681U (en) |
-
2021
- 2021-04-26 CN CN202120895247.XU patent/CN214535681U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11806651B2 (en) | Gas filtering rubber pipe and pressure regulating valve bank | |
| EP3845993B1 (en) | Pressure reducing valve and pull-out faucet | |
| CN214535681U (en) | Valve for gas bottle | |
| CN208750232U (en) | A kind of pull faucet quick coupling and pull tap structure is connect fastly | |
| CN102287268B (en) | State transition valve and system | |
| CN209918112U (en) | Shower head | |
| CA2935844A1 (en) | Membrane style excess flow valve | |
| CN217842835U (en) | Gas self-closing valve | |
| CN208753629U (en) | A kind of quick coupling device facilitating connection by Elastic buckle | |
| CN108916504A (en) | A kind of pull faucet quick coupling and pull tap structure is connect fastly | |
| CN205041904U (en) | Flow stopping presss from both sides | |
| CN209068000U (en) | A kind of hose coupling buckle that Corrosion Protection is good | |
| CN210687146U (en) | Flow-limiting safety assembly for gas pipeline system | |
| CN208858988U (en) | A kind of rapid escape valve | |
| CN202300654U (en) | State switching valve and system | |
| CN219413918U (en) | Quick assembly disassembly connects | |
| CN208381567U (en) | A kind of anticreep sealing converter | |
| CN217177426U (en) | Needle type assembly threaded valve | |
| CN205350658U (en) | Fluid pipeline connecting device | |
| CN205618733U (en) | Novel universal valve device | |
| CN216776703U (en) | Upper water sealing mechanism of gushing type hot water kettle | |
| CN210623719U (en) | Pressure reducing valve overcurrent protection resetting device | |
| CN205654919U (en) | Check valve | |
| CN219796109U (en) | Self-closing valve for gas | |
| CN210424092U (en) | Water supply connector, air purifier and household electrical appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |