CN209800812U - Valve core sealing structure in breaking valve for high-pressure hydrogenation machine - Google Patents
Valve core sealing structure in breaking valve for high-pressure hydrogenation machine Download PDFInfo
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- CN209800812U CN209800812U CN201920254915.3U CN201920254915U CN209800812U CN 209800812 U CN209800812 U CN 209800812U CN 201920254915 U CN201920254915 U CN 201920254915U CN 209800812 U CN209800812 U CN 209800812U
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Abstract
The utility model discloses a case seal structure in abruption valve for high pressure hydrogenation machine, include: take the valve body of valve pocket and valve port, the case in the valve pocket includes: the core rod and the tail rod are fixed on two sides in the connecting sleeve, a core rod retainer ring is arranged on the core rod outside the connecting sleeve, a connecting sleeve retainer ring is arranged at the end part of the connecting sleeve, the outer side wall of a sealing element between the core rod retainer ring and the connecting sleeve retainer ring forms a sealing surface, the outer end part of the tail rod and the tail rod body form a tail rod convex step, a stop ring with a plurality of stop blocks is sleeved on the tail rod, and two ends of a valve core spring are respectively pressed on the stop ring and the connecting sleeve retainer ring; the inner wall of the valve cavity is provided with a sealing convex step, each block is blocked and fixed on the inner wall of the valve cavity, and a sealing surface is blocked and blocked on the sealing convex step under the action of a valve core spring; the core rod is pushed towards the interior of the valve cavity, so that the first valve port is communicated with the valve cavity. The utility model has the advantages that: the valve can be applied to a snapping valve for a high-pressure hydrogenation machine, and the valve port and the valve cavity can be reliably closed.
Description
Technical Field
The utility model relates to a hydrogenation station hydrogenation equipment technical field, concretely relates to high pressure hydrogenation machine.
Background
At present, when the hydrogenation rifle of hydrogenation machine adds the vehicle in the hydrogenation station, often can take place the vehicle and just go forward the condition when not breaking away from with the hydrogenation rifle, when taking place this kind of situation, the car is gone and will be dragged the hydrogenation rifle and move forward together, finally leads to hydrogenation equipment and hydrogenation pipeline to damage and hydrogen to reveal.
Therefore, the company develops a breaking valve for a high-pressure hydrogenation machine, which can be broken under the action of external force, so that the accidents of damage to hydrogenation equipment and hydrogen leakage are avoided. Meanwhile, a valve core sealing structure in the breaking valve for the high-pressure hydrogenation machine is developed for matching with the breaking valve for the high-pressure hydrogenation machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the valve core sealing structure in the snapping valve for the high-pressure hydrogenation machine is simple and ingenious in structure, and can reliably realize the communication and the shutoff of a valve port and a valve cavity.
In order to achieve the above object, the utility model adopts the following technical scheme: the valve core seal structure in the breaking valve for the high-pressure hydrogenation machine comprises: take the valve body of valve pocket, seted up the valve port on the valve body, be provided with the case in the valve pocket, the structure of case includes: a core bar is arranged on the outer side of the core rod, the tail rod and the connecting sleeve are respectively fixed at two ends in the connecting sleeve in a threaded manner, a core rod retaining ring protruding outwards is arranged on the outer wall of the core rod outside the connecting sleeve, a connecting sleeve retaining ring protruding outwards is arranged on the outer wall of the end part of the connecting sleeve close to one end of the core rod, the core rod retaining ring and the connecting sleeve retaining ring are sealed by a sealing element, the sealing element is sleeved on the core rod, a sealing surface is formed on the side wall of the sealing element, the outer end part of the tail rod protrudes outwards to form a tail rod convex step with a body of the tail rod, a stop ring is sleeved on the tail rod outside the connecting sleeve and can move back and forth on the tail rod between the tail rod convex step and the connecting sleeve, a plurality of clamping blocks protruding outwards are arranged on the outer wall of the stop ring, a stop block gap for a fluid to pass through is formed between every two adjacent clamping blocks, a valve core spring is sleeved on the tail; a sealing convex step is arranged on the inner wall of the valve cavity close to the first valve port, each blocking piece of the blocking ring is blocked and fixed on the inner wall of the valve cavity, and the sealing surface of the sealing piece is blocked and blocked on the sealing convex step under the action of the valve core spring, so that the first valve port and the valve cavity are closed; after the core rod is pushed into the valve cavity by the action of external force, the sealing surface of the sealing element can be separated from the sealing convex step, so that the first valve port is communicated with the valve cavity.
Further, the valve core sealing structure in the snapping valve for the high-pressure hydrogenation machine, wherein the sealing element comprises: the O-shaped sealing ring and the sealing retainer ring are sleeved on the core rod, the sealing retainer ring is arranged outside the O-shaped sealing ring, and the outer side wall of the sealing retainer ring forms a sealing surface.
Furthermore, in the valve core sealing structure in the snapping valve for the high-pressure hydrogenation machine, the sealing retainer ring is made of PEEK resin material.
Further, in the valve core sealing structure in the stretch-break valve for the high-pressure hydrogenation machine, the core rod retainer ring is a tapered retainer ring with a diameter gradually decreasing from the position close to the connecting sleeve retainer ring to the position far away from the connecting sleeve retainer ring.
Further, in the above valve core sealing structure in the stretch-break valve for a high pressure hydrogenation apparatus, the core rod outside the core rod retainer ring forms a core rod protruding portion, and when the sealing surface is clamped on the sealing convex step, the core rod protruding portion is located in the first valve port or protrudes from the first valve port.
The utility model has the advantages that: firstly, the structure is simple and ingenious. And secondly, the valve port and the valve cavity can be reliably closed. And thirdly, when the valve is applied to the breaking valve for the high-pressure hydrogenation machine, the valve ports of the two valve bodies are automatically closed after being separated from each other, so that the gas leakage is effectively avoided.
Drawings
Fig. 1 is a schematic structural diagram of a valve core sealing structure in a snapping valve for a high-pressure hydrogenation machine.
Fig. 2 is a schematic view of the valve cartridge of fig. 1.
FIG. 3 is a schematic structural view of a snap-off valve for a high-pressure hydrogenation apparatus in a state in which two valve bodies are connected to each other.
FIG. 4 is a schematic structural view of a snap-off valve for a high-pressure hydrogenation apparatus in a state where two valve bodies are disengaged from each other.
Detailed Description
The invention will be described in further detail with reference to the drawings and preferred embodiments.
As shown in fig. 1 and 2, the valve element sealing structure in the snapping valve for a high-pressure hydrogenation machine includes: the valve comprises a valve body 1 with a valve cavity 11, a valve port 12 is arranged on the valve body 1, and a valve core 20 is arranged in the valve cavity 11. In the present embodiment, the structure of the valve body 20 includes: the core rod 2, the tail rod 3 and the connecting sleeve 4, the core rod 2 and the tail rod 3 are respectively fixed on two sides in the connecting sleeve 4 in a threaded manner, and a core rod retainer ring 21 protruding outwards is arranged on the outer wall of the core rod 2 outside the connecting sleeve 4. In this embodiment, the mandrel retainer ring 21 is a tapered retainer ring whose diameter gradually decreases from the position close to the connecting sleeve retainer ring 41 to the position far away from the connecting sleeve retainer ring 41.
A connecting sleeve retainer ring 41 which protrudes outwards is arranged on the outer wall of the end part of the connecting sleeve 4 close to one end of the core rod 2. The sealed sealing member that is provided with between core bar retaining ring 21 and the adapter sleeve retaining ring 41, on the core bar 2 of sealing member suit, the lateral wall of sealing member formed sealed face, and the sealing member includes in this embodiment: an O-shaped sealing ring 51 and a sealing retainer ring 52 which are sleeved on the core rod 2, wherein the sealing retainer ring 52 is arranged outside the O-shaped sealing ring 51, and the outer side wall of the sealing retainer ring 52 forms a sealing surface 521. The sealing retainer ring 52 is made of PEEK resin material.
The outer end of the tail rod 3 protrudes outwards to form a tail rod convex step 31 with the body of the tail rod 3, a baffle ring 6 is sleeved on the tail rod 3 outside the connecting sleeve 4, the baffle ring 6 can move back and forth on the tail rod 3 between the tail rod convex step 31 and the connecting sleeve 4, a plurality of outward protruding blocking blocks 61 are arranged on the outer wall of the baffle ring 6, and a blocking block gap for fluid to pass through is formed between every two adjacent blocking blocks 61. The number of the click stoppers 61 is generally three, and the three click stoppers 61 are uniformly arranged on the outer wall of the retainer ring 6. The tail rod 3 and the connecting sleeve 4 after connection are sleeved with a valve core spring 7, and two ends of the valve core spring 7 are respectively pressed against the stop ring 6 and the connecting sleeve retainer ring 41. The inner wall of the valve cavity 11 close to the first valve port 12 is provided with a sealing convex step 13, and each block piece 61 of the baffle ring 6 is blocked and fixed in a blocking groove 14 on the inner wall of the valve cavity 11. The sealing surface 521 of the sealing element is sealed and blocked on the sealing convex step 13 under the action of the valve core spring 7, so that the first valve port 12 is closed off from the valve cavity 11. In this embodiment, the stem 2 outside the stem retaining ring 21 forms a stem protruding part 22, and when the sealing surface 521 is sealed and retained on the sealing convex step 13, the stem protruding part 22 is located in the first valve port 12 or protrudes from the first valve port 12, which is beneficial to pushing the stem protruding part 22 into the valve cavity 11. After the core bar 2 is pushed towards the inside of the valve cavity 11 by the external force, the core bar 2 moves towards the inside of the valve cavity 11, so that the sealing surface 521 of the valve core is separated from the sealing convex step 13, and the first valve port 12 is communicated with the valve cavity 11.
The advantages and the working principle of the valve core sealing structure are better explained by applying the valve core sealing structure in the breaking valve for the high-pressure hydrogenation machine. In order to solve the technical problem that a hydrogenation device is damaged because a vehicle runs forwards without being separated from a hydrogenation gun, the company develops a breaking valve for a high-pressure hydrogenation machine. As shown in fig. 3 and 4, in the snapping valve for a high-pressure hydrogenation machine, a pair of valve bodies, i.e., the snapping valve body 8 and the sliding valve body 9, are connected in a manner that the snapping valve body 8 and the sliding valve body 9 can be separated from each other. The first valve core 80 is arranged in the valve cavity 81 of the snapping valve body 8, the second valve core 90 is arranged in the valve cavity 92 of the sliding valve body 9, and the first valve core 80 and the second valve core 90 are arranged in a mirror image state. During normal filling, the snapping valve body 8 and the sliding valve body 9 are connected to each other, the first core bar protrusion 801 of the first valve core 80 and the second core bar protrusion 901 of the second valve core 90 abut against each other, under the mutual abutting action, the first sealing surface 802 of the first valve core 80 is separated from the first sealing step 803, and the second sealing surface 902 of the second valve core 90 is separated from the second sealing step 903, so that the valve cavities of the two valve bodies are communicated with each other.
When one valve body at the outer end is dragged by external force, a pair of valve bodies can be separated from each other, namely, the first core rod protruding stop portion 801 and the second core rod protruding stop portion 901 are separated from each other, after separation, the first sealing surface 802 of the first valve core 80 moves towards the corresponding valve port direction to be sealed and blocked with the first sealing protruding step 803, the second sealing surface 902 of the second valve core 90 moves towards the corresponding valve port direction to be sealed and blocked with the second sealing protruding step 903, the valve ports of the two valve bodies are disconnected with the corresponding valve cavities, and thus, gas in each valve cavity after separation cannot leak.
The utility model has the advantages that: firstly, the structure is simple and ingenious. And secondly, the valve port and the valve cavity can be reliably closed. And thirdly, when the valve is applied to the breaking valve for the high-pressure hydrogenation machine, the valve ports of the two valve bodies are automatically closed after being separated from each other, so that the gas leakage is effectively avoided.
Claims (5)
1. The valve core seal structure in the breaking valve for the high-pressure hydrogenation machine comprises: take the valve body of valve pocket, seted up the valve port on the valve body, be provided with case, its characterized in that in the valve pocket: the structure of the valve core comprises: a core bar is arranged on the outer side of the core rod, the tail rod and the connecting sleeve are respectively fixed at two ends in the connecting sleeve in a threaded manner, a core rod retaining ring protruding outwards is arranged on the outer wall of the core rod outside the connecting sleeve, a connecting sleeve retaining ring protruding outwards is arranged on the outer wall of the end part of the connecting sleeve close to one end of the core rod, the core rod retaining ring and the connecting sleeve retaining ring are sealed by a sealing element, the sealing element is sleeved on the core rod, a sealing surface is formed on the side wall of the sealing element, the outer end part of the tail rod protrudes outwards to form a tail rod convex step with a body of the tail rod, a stop ring is sleeved on the tail rod outside the connecting sleeve and can move back and forth on the tail rod between the tail rod convex step and the connecting sleeve, a plurality of clamping blocks protruding outwards are arranged on the outer wall of the stop ring, a stop block gap for a fluid to pass through is formed between every two adjacent clamping blocks, a valve core spring is sleeved on the tail; a sealing convex step is arranged on the inner wall of the valve cavity close to the first valve port, each blocking piece of the blocking ring is blocked and fixed on the inner wall of the valve cavity, and the sealing surface of the sealing piece is blocked and blocked on the sealing convex step under the action of the valve core spring, so that the first valve port and the valve cavity are closed; after the core rod is pushed into the valve cavity by the action of external force, the sealing surface of the sealing element can be separated from the sealing convex step, so that the first valve port is communicated with the valve cavity.
2. The spool seal structure in the snap-off valve for a high-pressure hydrogenation machine according to claim 1, characterized in that: the sealing member includes: the O-shaped sealing ring and the sealing retainer ring are sleeved on the core rod, the sealing retainer ring is arranged outside the O-shaped sealing ring, and the outer side wall of the sealing retainer ring forms a sealing surface.
3. The spool seal structure in the snap-off valve for a high-pressure hydrogenation machine according to claim 2, characterized in that: the sealing retainer ring is made of PEEK resin material.
4. The spool seal structure in the snap-off valve for a high-pressure hydrogenation apparatus according to claim 1, 2 or 3, characterized in that: the core rod retainer ring is a conical retainer ring with the diameter gradually reduced from the position close to the connecting sleeve retainer ring to the position far away from the connecting sleeve retainer ring.
5. The spool seal structure in the snap-off valve for a high-pressure hydrogenation machine according to claim 1, characterized in that: the core rod outside the core rod retainer ring forms a core rod convex blocking part, and when the sealing surface is blocked on the sealing convex step, the core rod convex blocking part is positioned in the first valve port or protrudes out of the first valve port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254915.3U CN209800812U (en) | 2019-02-28 | 2019-02-28 | Valve core sealing structure in breaking valve for high-pressure hydrogenation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254915.3U CN209800812U (en) | 2019-02-28 | 2019-02-28 | Valve core sealing structure in breaking valve for high-pressure hydrogenation machine |
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| CN209800812U true CN209800812U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920254915.3U Active CN209800812U (en) | 2019-02-28 | 2019-02-28 | Valve core sealing structure in breaking valve for high-pressure hydrogenation machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780285A (en) * | 2019-02-28 | 2019-05-21 | 张家港氢云新能源研究院有限公司 | Plug sealing structure in high-pressure hydrogenation machine Pull breaking ualve |
-
2019
- 2019-02-28 CN CN201920254915.3U patent/CN209800812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780285A (en) * | 2019-02-28 | 2019-05-21 | 张家港氢云新能源研究院有限公司 | Plug sealing structure in high-pressure hydrogenation machine Pull breaking ualve |
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