CN114251492A - Anti-leakage self-sealing valve - Google Patents
Anti-leakage self-sealing valve Download PDFInfo
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- CN114251492A CN114251492A CN202111637934.2A CN202111637934A CN114251492A CN 114251492 A CN114251492 A CN 114251492A CN 202111637934 A CN202111637934 A CN 202111637934A CN 114251492 A CN114251492 A CN 114251492A
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- limiting
- valve rod
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- 238000007789 sealing Methods 0.000 title claims abstract description 107
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000009530 blood pressure measurement Methods 0.000 claims description 6
- 241000283216 Phocidae Species 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses an anti-leakage self-sealing valve which comprises a limiting protection mechanism, wherein a self-sealing pressure relief mechanism is arranged on the inner side of the bottom end of the limiting protection mechanism, the self-sealing pressure relief mechanism comprises a connecting valve rod, a transmission sleeve, a limiting disc, a second sealing ring, a connecting locking head, a spring mounting seat, an anti-deflection clamping ring, a supporting spring and a valve rod limiting pin, the limiting disc is arranged on the inner side of the upper end of the transmission sleeve, three valve rod limiting pins are uniformly arranged on the lower end face of the limiting disc, and a connecting valve rod is arranged on the inner sides of the three valve rod limiting pins. The invention can perform automatic pressure relief while playing the role of the safety valve by performing automatic sealing operation on the valve, thereby being convenient to keep the stability and safety of use.
Description
Technical Field
The invention relates to the technical field of valves, in particular to an anti-leakage self-sealing valve.
Background
With the rapid development of social economy, the scale of the pipeline is larger and larger, so that the use amount of the valve is also larger and larger, and the valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium; the valve is a control part in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like; the existing valve is inconvenient for automatic sealing operation under pressure when a sealing structure is used for plugging, and automatic pressure relief can not be realized while sealing; therefore, the existing requirements are not met, and the anti-leakage self-sealing valve is provided for the requirements.
Disclosure of Invention
The invention aims to provide an anti-leakage self-sealing valve, which solves the problems that the existing valve provided in the background art is inconvenient to be automatically sealed under pressure when a sealing structure is used for plugging, cannot realize automatic pressure relief during sealing, and the like.
In order to achieve the purpose, the invention provides the following technical scheme: the anti-leakage self-sealing valve comprises a limiting protection mechanism, wherein a self-sealing pressure relief mechanism is arranged on the inner side of the bottom end of the limiting protection mechanism, the self-sealing pressure relief mechanism comprises a connecting valve rod, a transmission sleeve, a limiting disc, a second sealing ring, a connecting locking head, a spring mounting seat, a deflection-preventing snap ring, a supporting spring and a valve rod limiting pin, the limiting disc is arranged on the inner side of the upper end of the transmission sleeve, three valve rod limiting pins are uniformly arranged on the lower end face of the limiting disc, a connecting valve rod is arranged on the inner side of the three valve rod limiting pins, the second sealing ring is arranged on the lower end face of the connecting valve rod, the connecting locking head is arranged on the inner side of the second sealing ring, the deflection-preventing snap ring is arranged on the outer side of the bottom end of the transmission sleeve, the spring mounting seat is clamped on the outer side of the deflection-preventing snap ring, the supporting spring is arranged on the upper end face of the spring mounting seat, and a pressure measuring mechanism is installed on the outer side of the spring installation seat, and a valve body mechanism is installed on the outer side of the pressure measuring mechanism.
Preferably, valve body mechanism includes valve housing, sealing pressure plate, toper pressure release seat, annular sealing strip, fitting pin, pressure release waist type hole and spring spacing ring, the spring spacing ring is installed through threaded connection to the inboard of valve housing upper end, sealing pressure plate is installed to the inboard of valve housing bottom, sealing pressure plate's lower terminal surface is provided with four annular sealing strip, the toper pressure release seat is installed to sealing pressure plate's inboard, the inner wall of toper pressure release seat evenly is provided with six pressure release waist type holes, valve housing and toper pressure release seat are through two fitting pin fixed connection, valve housing's lower terminal surface fixed mounting has the conveying pipe body, two guiding mechanism are installed in valve housing's the outside.
Preferably, the water conservancy diversion mechanism includes water conservancy diversion connecting pipe end, locking thread bush and cassette, water conservancy diversion connecting pipe end is installed to the inboard of locking thread bush, water conservancy diversion connecting pipe end's inboard fixed mounting has the cassette, water conservancy diversion connecting pipe end passes through locking thread bush with the valve housing and is connected.
Preferably, the pressure measuring mechanism comprises a transparent bent pipe, an indicating needle, a first sealing ring and a holding connecting ring, the indicating needle is connected to the inner side of the transparent bent pipe in a sliding mode, the holding connecting ring is installed at the bottom end of the indicating needle, and the first sealing ring is arranged on the lower end face of the holding connecting ring.
Preferably, the limiting protection mechanism comprises a limiting shell, a ventilating slot hole and a U-shaped connecting ring, the limiting shell is installed on the outer side of the U-shaped connecting ring through threaded connection, and the ventilating slot hole is formed in the outer side of the upper end of the limiting shell.
Preferably, the upper end of the connecting locking head penetrates through the second sealing ring to be connected with the bottom end of the connecting valve rod through threads, the connecting valve rod is connected with the transmission sleeve through a flat key, the limiting disc is connected with the transmission sleeve through threads, and the upper end of the transmission sleeve is connected with the connecting valve rod through the limiting disc and the valve rod limiting pin.
Preferably, the lower terminal surface of spring mount pad is provided with the spline groove, the upper end of preventing deflecting snap ring extends to the inboard in spline groove, the spring mount pad passes through supporting spring with the spring spacing ring and is connected.
Preferably, the sealing pressure plate is connected with the conveying pipe body through four annular sealing strips, the sizes of the four annular sealing strips are sequentially increased in an increasing mode, and one end of the locking pin penetrates through two sides of the valve shell and is connected with the upper end of the conical pressure relief seat through threads.
Preferably, the upper end of the flow guide connecting pipe penetrates through the valve shell and is connected with the locking threaded sleeve through threads, the filter disc is connected with the end of the flow guide connecting pipe through threads, and the inner side of the filter disc is provided with a filter hole.
Preferably, the bottom end of the indicator needle is adhesively fixed with a retaining connection ring, and the retaining connection ring is connected with the valve housing through a first sealing ring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the sealing effect of the annular sealing strip is convenient to maintain through the sealing pressing plate, when a medium is conveyed by the conveying pipe body, the transmission sleeve drives the spring mounting seat to move upwards through the deflection-preventing snap ring and enables the supporting spring to contract and deform, the inner wall of the conical pressure relief seat is conical, so that the sealing effect of the connecting part of the valve and the pipeline can be effectively improved when the second sealing ring is extruded by the conical pressure relief seat when moving upwards;
2. according to the invention, the spring mounting seat moves upwards, and the connecting ring is kept to drive the indicating needle to slide on the inner side of the transparent bent pipe, so that the valve pressure can be conveniently displayed and observed through the height of the indicating needle relative to the transparent bent pipe;
3. when the self-sealing pressure relief mechanism moves upwards, the limiting shell can limit the position of the self-sealing pressure relief mechanism, and the situation that the structure of the self-sealing pressure relief mechanism is damaged due to overlarge pressure in the conveying pipe body is further ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional configuration of the connecting stem of the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of the pressure measurement mechanism of the present invention;
FIG. 5 is a schematic cross-sectional view of a flow guide mechanism according to the present invention;
fig. 6 is a schematic partial sectional view of the spring mount according to the present invention.
In the figure: 1. conveying the pipe body; 2. a valve body mechanism; 201. a valve housing; 202. sealing the pressure plate; 203. a conical pressure relief seat; 204. an annular sealing strip; 205. a locking pin; 206. a pressure relief kidney hole; 207. a spring retainer ring; 3. a flow guide mechanism; 301. the guide flow is connected with the pipe end; 302. locking the threaded sleeve; 303. a filter disc; 4. a pressure measuring mechanism; 401. a transparent bent pipe; 402. an indicator needle; 403. a first seal ring; 404. maintaining the connection ring; 5. a limiting protection mechanism; 501. a limiting shell; 502. a ventilation slot; 503. a U-shaped connecting ring; 6. a self-sealing pressure relief mechanism; 601. connecting a valve rod; 602. a drive sleeve; 603. a limiting disc; 604. a second seal ring; 605. connecting a locking head; 606. a spring mount; 607. an anti-deflection snap ring; 608. a support spring; 609. valve rod spacer pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 6, an embodiment of the present invention includes: a leakage-proof self-sealing valve comprises a limiting protection mechanism 5, a self-sealing pressure relief mechanism 6 is arranged on the inner side of the bottom end of the limiting protection mechanism 5, the self-sealing pressure relief mechanism 6 comprises a connecting valve rod 601, a transmission sleeve 602, a limiting disc 603, a second sealing ring 604, a connecting locking head 605, a spring mounting seat 606, a deflection-proof snap ring 607, a supporting spring 608 and a valve rod limiting pin 609, the limiting disc 603 is arranged on the inner side of the upper end of the transmission sleeve 602, three valve rod limiting pins 609 are uniformly arranged on the lower end face of the limiting disc 603, one connecting valve rod 601 is arranged on the inner sides of the three valve rod limiting pins 609, synchronous movement adjustment of the connecting valve rod 601 and the transmission sleeve 602 is facilitated through the limiting disc 603 and the valve rod limiting pin 609, the second sealing ring 604 is arranged on the lower end face of the connecting valve rod 601, the connecting locking head 605 is arranged on the inner side of the second sealing ring 604, and the deflection-proof snap ring 607 is arranged on the outer side of the bottom end of the transmission sleeve 602, spring mount 606 is installed to the outside joint of anti-deflection snap ring 607, and the up end of spring mount 606 is provided with supporting spring 608, and pressure measurement mechanism 4 is installed in the outside of spring mount 606, is convenient for show in real time and monitor the pressure that the valve received through pressure measurement mechanism 4, and valve mechanism 2 is installed in pressure measurement mechanism 4's the outside, wholly through carrying out the self-sealing operation to the valve, carries out automatic pressure release when can playing the relief valve.
Further, the valve body mechanism 2 includes a valve housing 201, a sealing pressure plate 202, a conical pressure relief seat 203, an annular sealing strip 204, a locking pin 205, a pressure relief waist-shaped hole 206 and a spring limiting ring 207, the spring limiting ring 207 is installed on the inner side of the upper end of the valve housing 201 through threaded connection, the sealing pressure plate 202 is installed on the inner side of the bottom end of the valve housing 201, the lower end face of the sealing pressure plate 202 is provided with four annular sealing strips 204, the conical pressure relief seat 203 is installed on the inner side of the sealing pressure plate 202, the inner wall of the conical pressure relief seat 203 is uniformly provided with six pressure relief waist-shaped holes 206, the valve housing 201 and the conical pressure relief seat 203 are fixedly connected through two locking pins 205, the lower end face of the valve housing 201 is fixedly provided with a conveying pipe body 1, two flow guide mechanisms 3 are installed on the outer side of the valve housing 201, and the valve and pipe connection parts are conveniently sealed through the valve body mechanism 2.
Further, the flow guide mechanism 3 comprises a flow guide connecting pipe end 301, a locking threaded sleeve 302 and a filter sheet 303, the flow guide connecting pipe end 301 is installed on the inner side of the locking threaded sleeve 302, the filter sheet 303 is fixedly installed on the inner side of the flow guide connecting pipe end 301, the flow guide connecting pipe end 301 is connected with the valve shell 201 through the locking threaded sleeve 302, and flow guide discharge of a pressure-released medium is facilitated through the flow guide mechanism 3.
Further, the pressure measuring mechanism 4 comprises a transparent bent pipe 401, an indicator needle 402, a first sealing ring 403 and a holding connecting ring 404, the indicator needle 402 is connected to the inner side of the transparent bent pipe 401 in a sliding mode, the holding connecting ring 404 is installed at the bottom end of the indicator needle 402, the first sealing ring 403 is arranged on the lower end face of the holding connecting ring 404, and real-time display and monitoring of pressure applied to the valve are facilitated through the pressure measuring mechanism 4.
Further, spacing protection machanism 5 includes spacing casing 501, ventilative slotted hole 502 and U connection type ring 503, and spacing casing 501 is installed through threaded connection in the outside of U connection type ring 503, and the outside of the upper end of spacing casing 501 is provided with ventilative slotted hole 502, is convenient for carry on spacingly to the valve through spacing protection machanism 5, avoids pressure to cause structural damage greatly.
Further, the upper end of the connecting locking head 605 penetrates through the second sealing ring 604 to be connected with the bottom end of the connecting valve rod 601 through threads, the connecting valve rod 601 is connected with the transmission sleeve 602 through a flat key, the limiting disc 603 is connected with the transmission sleeve 602 through threads, and the upper end of the transmission sleeve 602 is connected with the connecting valve rod 601 through the limiting disc 603 and the valve rod limiting pin 609, so that synchronous movement adjustment of the connecting valve rod 601 and the transmission sleeve 602 is kept conveniently through the limiting disc 603 and the valve rod limiting pin 609.
Further, the lower terminal surface of spring mount 606 is provided with the spline groove, and the upper end of preventing deflecting snap ring 607 extends to the inboard in spline groove, and spring mount 606 is connected through supporting spring 608 with spring spacing ring 207, is convenient for avoid spring mount 606 and the deflection of connecting valve rod 601 through preventing deflecting snap ring 607 and spring mount 606.
Further, the sealing pressure plate 202 is connected with the conveying pipe body 1 through four annular sealing strips 204, the size of the four annular sealing strips 204 is increased in sequence, one end of the locking pin 205 penetrates through the two sides of the valve shell 201 and is connected with the upper end of the conical pressure relief seat 203 through threads, and the conical pressure relief seat 203 is fixed conveniently through the locking pin 205.
Further, the upper end of the flow guide connecting pipe end 301 penetrates through the valve shell 201 and is connected with the locking threaded sleeve 302 through threads, the filter sheet 303 is connected with the flow guide connecting pipe end 301 through threads, the inner side of the filter sheet 303 is provided with filter holes, and the medium for pressure relief is convenient to filter through the filter sheet 303.
Further, the bottom end of the indicator pin 402 is adhesively fixed to the retaining connection ring 404, the retaining connection ring 404 is connected to the valve housing 201 through the first seal ring 403, and the retaining connection ring 404 is used to avoid deformation of the first seal ring 403 and maintain sealing performance.
The working principle is as follows: when the valve is used, whether the functions of all parts are intact is checked, the connecting valve rod 601 and the transmission sleeve 602 are inserted into the inner side of the valve shell 201, the spring mounting seat 606 and the spring limiting ring 207 are connected through the supporting spring 608, the connecting valve rod 601 and the transmission sleeve 602 are connected through the flat key and the valve rod limiting pin 609, the upper end of the connecting locking head 605 penetrates through the second sealing ring 604 and is connected with the connecting valve rod 601 through threads, the connecting locking head 605 carries out limiting locking on the second sealing ring 604, the bottom end of the valve shell 201 and the conveying pipe body 1 are fixedly connected through screws, the bottom end of the valve shell 201 is sealed through the annular sealing strip 204, the sealing effect of the annular sealing strip 204 is conveniently maintained through the sealing pressing plate 202, when the conveying pipe body 1 conveys a medium, the medium can push the second sealing ring 604 to move upwards on the inner side of the conical pressure relief seat 203, at this time, the connecting valve rod 601 drives the transmission sleeve 602 to move upwards through the valve rod spacing pin 609 and the spacing disc 603, so that the transmission sleeve 602 drives the spring mounting seat 606 to move upwards through the anti-deflection snap ring 607 and the support spring 608 is contracted and deformed, the inner wall of the conical pressure relief seat 203 is conical, so that the sealing effect of the connecting part between the valve and the pipeline can be effectively improved when the second sealing ring 604 is extruded by the conical pressure relief seat 203 when moving upwards, the connecting ring 404 and the spring mounting seat 606 are kept connected and fixed through screws, the indicating needle 402 is driven to slide on the inner side of the transparent elbow 401 through the keeping of the indicating needle 404 while the spring mounting seat 606 moves upwards, the valve pressure is conveniently displayed and observed through the height of the indicating needle 402 relative to the transparent elbow 401, and the second sealing ring 604 continues to move upwards on the inner side of the connecting ring 203 when the medium pressure on the inner side of the conveying pipe body 1 is too high, evenly be provided with six pressure release waist type holes 206 at the inner wall of toper pressure release seat 203, when making second sealing ring 604 move to pressure release waist type hole 206 top, pressure release waist type hole 206 and transport body 1 through connection, can carry out automatic pressure release operation to transport body 1's inboard through pressure release waist type hole 206 and guiding mechanism 3 this moment, can self-sealing through second sealing ring 604 to the shutoff of pressure release waist type hole 206 when pressure weakens, it is more convenient and safe to use, U connecting ring 503 all passes through threaded connection with valve housing 201 and spacing casing 501, make self-sealing pressure release mechanism 6 shift up in the time can carry on spacingly through spacing casing 501, and then guarantee to carry the condition emergence that the too big structural damage that causes self-sealing pressure release mechanism 6 of 1 inboard pressure of body.
Claims (10)
1. The utility model provides a prevent outer hourglass self sealss valve, includes spacing protection machanism (5), its characterized in that: the inner side of the bottom end of the limiting protection mechanism (5) is provided with a self-sealing pressure relief mechanism (6), the self-sealing pressure relief mechanism (6) comprises a connecting valve rod (601), a transmission sleeve (602), a limiting disc (603), a second sealing ring (604), a connecting locking head (605), a spring mounting seat (606), a deflection-preventing snap ring (607), a supporting spring (608) and a valve rod limiting pin (609), the limiting disc (603) is arranged on the inner side of the upper end of the transmission sleeve (602), three valve rod limiting pins (609) are uniformly arranged on the lower end face of the limiting disc (603), one connecting valve rod (601) is arranged on the inner sides of the three valve rod limiting pins (609), the second sealing ring (604) is arranged on the lower end face of the connecting valve rod (601), the connecting locking head (605) is arranged on the inner side of the second sealing ring (604), the deflection-preventing snap ring (607) is arranged on the outer side of the bottom end of the transmission sleeve (602), prevent deflecting the outside joint of snap ring (607) and install spring mount pad (606), the up end of spring mount pad (606) is provided with supporting spring (608), pressure measurement mechanism (4) are installed in the outside of spring mount pad (606), valve body mechanism (2) are installed in the outside of pressure measurement mechanism (4).
2. The leak-proof self-sealing valve as claimed in claim 1, wherein: the valve body mechanism (2) comprises a valve shell (201), a sealing pressure plate (202), a conical pressure relief seat (203), an annular sealing strip (204), a locking pin (205), a pressure relief waist-shaped hole (206) and a spring limiting ring (207), wherein the spring limiting ring (207) is installed on the inner side of the upper end of the valve shell (201) through threaded connection, the sealing pressure plate (202) is installed on the inner side of the bottom end of the valve shell (201), four annular sealing strips (204) are arranged on the lower end face of the sealing pressure plate (202), the conical pressure relief seat (203) is installed on the inner side of the sealing pressure plate (202), six pressure relief waist-shaped holes (206) are uniformly arranged on the inner wall of the conical pressure relief seat (203), the valve shell (201) is fixedly connected with the conical pressure relief seat (203) through the two locking pins (205), and a conveying pipe body (1) is fixedly installed on the lower end face of the valve shell (201), two flow guide mechanisms (3) are installed on the outer side of the valve shell (201).
3. The leak-proof self-sealing valve as claimed in claim 2, wherein: the water conservancy diversion mechanism (3) include water conservancy diversion connecting pipe end (301), locking thread bush (302) and cassette (303), water conservancy diversion connecting pipe end (301) are installed to the inboard of locking thread bush (302), the inboard fixed mounting of water conservancy diversion connecting pipe end (301) has cassette (303), water conservancy diversion connecting pipe end (301) are connected through locking thread bush (302) with valve housing (201).
4. The leak-proof self-sealing valve as claimed in claim 1, wherein: the pressure measuring mechanism (4) comprises a transparent bent pipe (401), an indicating needle (402), a first sealing ring (403) and a holding connecting ring (404), the indicating needle (402) is connected to the inner side of the transparent bent pipe (401) in a sliding mode, the holding connecting ring (404) is installed at the bottom end of the indicating needle (402), and the first sealing ring (403) is arranged on the lower end face of the holding connecting ring (404).
5. The leak-proof self-sealing valve as claimed in claim 1, wherein: spacing protection machanism (5) are including spacing casing (501), ventilative slotted hole (502) and U connection type ring (503), spacing casing (501) are installed through threaded connection in the outside of U connection type ring (503), the outside of spacing casing (501) upper end is provided with ventilative slotted hole (502).
6. The leak-proof self-sealing valve as claimed in claim 1, wherein: the upper end of the connecting locking head (605) penetrates through the second sealing ring (604) and is connected with the bottom end of the connecting valve rod (601) through threads, the connecting valve rod (601) is connected with the transmission sleeve (602) through a flat key, the limiting disc (603) is connected with the transmission sleeve (602) through threads, and the upper end of the transmission sleeve (602) is connected with the connecting valve rod (601) through the limiting disc (603) and the valve rod limiting pin (609).
7. The leak-proof self-sealing valve as claimed in claim 2, wherein: the lower terminal surface of spring mount pad (606) is provided with the spline groove, the upper end of preventing deflecting snap ring (607) extends to the inboard in spline groove, spring mount pad (606) are connected through supporting spring (608) with spring spacing ring (207).
8. The leak-proof self-sealing valve as claimed in claim 2, wherein: sealing pressure plate (202) are connected through four annular sealing strip (204) with conveying body (1), four the size of annular sealing strip (204) increases progressively in proper order, the both sides that the one end of fitting pin (205) runs through valve housing (201) are connected through the upper end of screw thread and toper pressure release seat (203).
9. The leak-proof self-sealing valve as claimed in claim 3, wherein: the upper end of the flow guide connecting pipe end (301) penetrates through the valve shell (201) and is connected with the locking threaded sleeve (302) through threads, the filter sheet (303) is connected with the flow guide connecting pipe end (301) through threads, and filter holes are formed in the inner side of the filter sheet (303).
10. The leak-proof self-sealing valve as claimed in claim 4, wherein: the bottom end of the indicator needle (402) is fixedly adhered to a retaining connection ring (404), and the retaining connection ring (404) is connected with the valve shell (201) through a first sealing ring (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111637934.2A CN114251492A (en) | 2021-12-30 | 2021-12-30 | Anti-leakage self-sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111637934.2A CN114251492A (en) | 2021-12-30 | 2021-12-30 | Anti-leakage self-sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114251492A true CN114251492A (en) | 2022-03-29 |
Family
ID=80795630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111637934.2A Pending CN114251492A (en) | 2021-12-30 | 2021-12-30 | Anti-leakage self-sealing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114251492A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001071228A1 (en) * | 2000-03-21 | 2001-09-27 | Tuchenhagen Gmbh | Aseptical leakage-controlled double-sealing valve with seat cleaning function |
| CN111810664A (en) * | 2020-08-20 | 2020-10-23 | 杭州富阳正茂进出口有限公司 | Vacuum die-casting stop valve of hydraulic pump |
| CN113565977A (en) * | 2021-09-26 | 2021-10-29 | 徐州利明汽车电器有限公司 | Lightweight car solenoid valve structure |
-
2021
- 2021-12-30 CN CN202111637934.2A patent/CN114251492A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001071228A1 (en) * | 2000-03-21 | 2001-09-27 | Tuchenhagen Gmbh | Aseptical leakage-controlled double-sealing valve with seat cleaning function |
| CN111810664A (en) * | 2020-08-20 | 2020-10-23 | 杭州富阳正茂进出口有限公司 | Vacuum die-casting stop valve of hydraulic pump |
| CN113565977A (en) * | 2021-09-26 | 2021-10-29 | 徐州利明汽车电器有限公司 | Lightweight car solenoid valve structure |
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| PB01 | Publication | ||
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Application publication date: 20220329 |