CN111637263A - Prevent leaking high pressure regulator for natural gas of security - Google Patents
Prevent leaking high pressure regulator for natural gas of security Download PDFInfo
- Publication number
- CN111637263A CN111637263A CN202010370413.4A CN202010370413A CN111637263A CN 111637263 A CN111637263 A CN 111637263A CN 202010370413 A CN202010370413 A CN 202010370413A CN 111637263 A CN111637263 A CN 111637263A
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- sealing block
- sealing
- natural gas
- pressure regulator
- outer shell
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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
- F16K17/20—Excess-flow valves
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a natural gas pressure regulator with leakage prevention and high safety, which comprises an outer shell, a pipe body and flange plates arranged at two ends of the pipe body, wherein the flange plates are used for being connected with a gas transmission pipeline so as to enable the device to be connected in series with the gas transmission pipeline, the outer shell is fixed on the outer side of the pipe body, a through hole communicated with the inside of the outer shell is formed in the pipe body, a cylindrical cavity is formed in the middle inside the outer shell, a movable plate is movably arranged in the cavity, a sealing assembly is installed at one side, close to the through hole, of the movable plate, the sealing assembly is used for preventing gas in the gas transmission pipeline from passing through, an adjusting assembly is installed at the other side of the movable plate, the adjusting assembly is used for adjusting the position of the. The anti-leakage device is simple in structure, has a good anti-leakage effect, is convenient to adjust, and is high in use safety.
Description
Technical Field
The invention relates to the field of natural gas, in particular to a natural gas pressure regulator with high leakage prevention and safety.
Background
At present, the ideal gas supply system for delivering gas from wellhead to end user does not need pressure regulator, the condition that such ideal supply system can maintain is that the demand of user is constant, the supply capacity of mine is constant, and they are identical, such system is practically impossible to exist, the maximum function of natural gas pressure regulator is to keep the gas pressure stable when in use, thereby ensuring that the gas pressure is reduced by using pressure regulator in the gas supply system with stable gas-air ratio of gas appliance, and is stabilized on a proper level which can make the gas be used safely, economically and efficiently.
The natural gas pressure regulator is used, the phenomenon of natural gas leakage of the natural gas pressure regulator can occur, the natural gas pressure regulator leakage condition occurs every year, and the natural gas leakage accident is caused due to the fact that the natural gas pressure regulator is poor in sealing performance, so that the natural gas pressure regulator with the leakage-preventing safety is provided to solve the problem.
Disclosure of Invention
The invention aims to provide a natural gas pressure regulator with leakage prevention and high safety so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a prevent leaking high natural gas pressure regulator of security, includes shell body, body and locates the ring flange at body both ends, the ring flange is used for and gas transmission pipeline connection to make this device establish ties in gas transmission pipeline, the shell body is fixed in the body outside, and sets up the through-hole with the inside intercommunication of shell body on the body.
The middle part in the outer shell is a cylindrical cavity, a movable plate is movably arranged in the cavity, a sealing assembly is installed on one side, close to the through hole, of the movable plate, the sealing assembly is used for preventing gas in the gas transmission pipeline from passing through, an adjusting assembly is installed on the other side of the movable plate, and the adjusting assembly is used for adjusting the position of the movable plate so as to achieve the effect of adjusting the gas transmission pressure.
The sealing assembly is internally provided with an auxiliary sealing block arranged in the cavity, the outer side surface of the auxiliary sealing block is in sealing contact with the inner wall of the cavity, an annular groove is formed in the outer side surface of the auxiliary sealing block, and an expansion sealing ring covering the notch of the annular groove is fixed on the outer side surface of the auxiliary sealing block.
The outside of shell body still is equipped with air pump and seal box, set up the conducting hole on the casing of seal box, the baffle that the fixed partition was used in the seal box, the baffle is close to one side movable mounting plugging mechanism of conducting hole, plugging mechanism remove with sealed conducting hole, and communicating pipe is connected to the outer port department of conducting hole, and the other end and the through-hole of communicating pipe communicate all the time.
The air delivery end of the air pump is connected with the air delivery pipe, the other end of the air delivery pipe is communicated with one side, close to the conducting hole, of the partition plate in the sealing box, the communicating pipe is connected with a hose communicated with the inside of the communicating pipe, and the other end of the hose is communicated with the inside of the annular groove in the sealing assembly.
Furthermore, the sealing assembly comprises two auxiliary sealing blocks, a main sealing block and a central column, wherein two sides of the main sealing block are respectively fixed with one auxiliary sealing block, and a plurality of insertion pipes communicated with the inner annular groove of the main sealing block are circumferentially fixed on one side of the auxiliary sealing block close to the main sealing block.
An inner cavity is arranged in the main sealing block, jacks corresponding to the insertion tubes are circumferentially arranged on two opposite side faces, close to the auxiliary sealing block, of the main sealing block, the jacks are communicated with the inner cavity, and the insertion tubes on the auxiliary sealing block are inserted into the corresponding jacks.
The side of the main sealing block is provided with a middle groove, a gap is reserved between the groove wall of the middle groove and the inner wall of the inner cavity of the outer shell, and the groove wall of the middle groove is distributed with a plurality of through holes which are communicated with the inner cavity.
One end of the central column is fixed with the movable plate, and the main sealing block and the two auxiliary sealing blocks are fixedly connected to the central column in series.
Furthermore, at least one fixed sealing ring is fixed on the side surface of the auxiliary sealing block. Furthermore, the longitudinal section of the middle groove is in an isosceles trapezoid shape, and the groove width of the middle groove is gradually increased from inside to outside.
Further, the adjusting part includes top cap, carousel, depression bar and push pedal, and wherein, the top cap can be dismantled and fix at shell body internal top, and depression bar screw connection is on the top cap, and in its inner end stretched into the shell body, in the shell body was located in the push pedal activity, one side and the inner swing joint of depression bar of push pedal, the opposite side installation spring of push pedal, the end and the fly leaf of spring are connected.
Furthermore, be equipped with the guide arm in the shell body, the bottom and the fly leaf of guide arm are connected, and push pedal and top cap are passed in the top activity of guide arm.
Furthermore, a notch is formed in the outer shell, and the hose penetrates through the notch.
Furthermore, the middle parts of the auxiliary sealing block and the main sealing block are provided with center holes, and the center column is inserted into the center holes on the auxiliary sealing block and the main sealing block and is fixed.
Further, the plugging mechanism comprises a movable sealing ball 16 and a movable column 21, one end of the movable column 21 is fixedly connected with the movable sealing ball 16, a first magnet 18 is arranged on one side, close to the through hole, of the partition plate 19, a second magnet 20 parallel to the first magnet 18 is arranged on one side, far away from the through hole, of the movable column 21, the second magnet 20 and the first magnet 18 are mutually exclusive, the movable column 21 is in sliding connection with the inner wall of the sealing box 7, the sliding direction of the movable column points to the through hole, a guide pillar is further slidably arranged on the partition plate 19 in a penetrating mode, one end of the guide pillar is fixed to the first magnet 18, a first electromagnet 24 is fixed to the other end of the guide pillar, a second electromagnet 25 is further arranged on one side, far away from the through hole, of the partition plate 19, the second electromagnet 25 and the first electromagnet 24 are mutually exclusive after being electrified, and the.
The invention has the beneficial effects that:
the gas transmission pressure regulating device is provided with the outer shell and the pipe body communicated with the outer shell, the pipe body is used for being connected to a gas transmission pipeline, the adjusting assembly and the sealing assembly are arranged in the outer shell, the adjusting assembly is used for changing the position of the sealing assembly in the outer shell, and the purpose of regulating gas transmission pressure is achieved.
The sealing assembly provided by the invention comprises a main sealing block and an auxiliary sealing block, wherein an annular groove is formed in the auxiliary sealing block, an expansion sealing ring is coated outside the annular groove, the annular groove is communicated with a communicating pipe, the communicating pipe is communicated with the inside of a pipe body, and leaked gas can enter the annular groove, so that the expansion sealing ring is conveniently expanded, and when leakage occurs, the expansion sealing ring is expanded in time, and the purpose of preventing the leakage is automatically achieved.
The sealing box designed by the invention can change the internal pressure intensity, plays a role in protecting the whole device and avoids the overlarge internal pressure intensity of the device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to a proper form. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the invention at A;
FIG. 3 is a schematic view of a portion of the seal cartridge of the present invention;
fig. 4 is a schematic structural view of the seal assembly of the present invention.
In the figure: the sealing device comprises a gas pipeline 1, a flange 2, a pipe body 3, a through hole 4, a gas pump 5, a communicating pipe 6, a sealing box 7, a top cover 8, a rotary table 9, a pressure rod 10, a guide rod 11, a push plate 12, an outer shell 13, a spring 14, a movable plate 15, a movable sealing ball 16, a gap 17, a first magnet 18, a partition plate 19, a second magnet 20, a movable column 21, a gas pipeline 22, a hose 23, a first electromagnet 24, a second electromagnet 25, a main sealing block 26, an auxiliary sealing block 27, an annular groove 28, a columnar spring 29, a through hole 30, an inner cavity 31, a sealing ring 32, a limiting block 33, a central column 34, a middle groove 35, a fixed sealing ring 36, an expansion sealing ring 37, a central hole 38.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1, 2, 4, a prevent high natural gas pressure regulator of security of leakage, includes shell body 13, body 3 and locates the ring flange 2 at body 3 both ends, ring flange 2 is used for being connected with gas transmission pipeline 1 to make this device establish ties in gas transmission pipeline, shell body 13 is fixed in the body 3 outside, and sets up the through-hole 4 with the inside intercommunication of shell body 13 on the body 3.
The middle part is cylindrical cavity in the shell body 13, and the activity sets up fly leaf 15 in this cavity, fly leaf 15 is close to one side installation seal assembly of through-hole 4, and seal assembly is used for the separation gas in gas transmission pipeline 1 to pass through, and the opposite side installation adjusting part of fly leaf 15, adjusting part are used for adjusting the position of fly leaf 15 to reach the effect of adjusting gas delivery pressure.
The sealing component is internally provided with an auxiliary sealing block 27 arranged in the cavity, the outer side surface of the auxiliary sealing block 27 is in sealing contact with the inner wall of the cavity, the outer side surface of the auxiliary sealing block 27 is provided with an annular groove 28, and the outer side surface of the auxiliary sealing block 27 is fixedly provided with an expansion sealing ring 37 covering the notch of the annular groove 28.
The outside of shell body 13 still is equipped with air pump 5 and seal box 7, set up the conducting hole on the casing of seal box 7, baffle 19 that the interior fixed partition of seal box 7 was used, baffle 19 are close to one side movable mounting shutoff mechanism of conducting hole, shutoff mechanism remove with sealed conducting hole, and communicating pipe 6 is connected to the outer port department of conducting hole, and the other end and the through-hole 4 of communicating pipe 6 communicate all the time.
The air delivery end of the air pump 5 is connected with an air delivery pipe 22, the other end of the air delivery pipe 22 is communicated with one side, close to the conducting hole, of the partition plate 19 in the sealing box 7, a hose 23 communicated with the interior of the communicating pipe 6 is connected, and the other end of the hose 23 is communicated with the interior of the annular groove 28 in the sealing assembly.
Further, the sealing assembly comprises two auxiliary sealing blocks 27, a main sealing block 26 and a central column 34, wherein one auxiliary sealing block 27 is fixed on each side of the main sealing block 26, and a plurality of insertion pipes 39 communicated with the inner annular groove 28 of the main sealing block 26 are circumferentially fixed on one side, close to the main sealing block 26, of the auxiliary sealing block 27.
An inner cavity 31 is arranged in the main sealing block 26, insertion holes 40 corresponding to the insertion pipes 39 are circumferentially arranged on two opposite side faces, close to the auxiliary sealing block 27, of the main sealing block 26, the insertion holes 40 are communicated with the inner cavity 31, and the insertion pipes 39 on the auxiliary sealing block 27 are inserted into the corresponding insertion holes 40.
The side surface of the main sealing block 26 is provided with a middle groove 35, a gap is reserved between the groove wall of the middle groove 35 and the inner wall of the inner cavity of the outer shell 13, a plurality of through holes 30 are distributed on the groove wall of the middle groove 35, and the through holes 30 are communicated with the inner cavity 31.
One end of the central column 34 is fixed with the movable plate 15, and the main sealing block 26 and the two auxiliary sealing blocks 27 are fixedly connected in series on the central column 34; the air tightness of the device is further enhanced, and natural gas is prevented from leaking.
Further, at least one fixed sealing ring 36 is fixed on the side surface of the auxiliary sealing block 27.
Further, the longitudinal section of the middle groove 35 is in an isosceles trapezoid shape, and the groove width of the middle groove 35 gradually increases from inside to outside.
Furthermore, the adjusting component comprises a top cover 8, a rotary table 9, a pressure lever 10 and a push plate 12, wherein the top cover 8 is detachably fixed at the top in the outer shell 13, the pressure lever 10 is spirally connected on the top cover 8, the inner end of the pressure lever extends into the outer shell 13, the push plate 12 is movably arranged in the outer shell 13, one side of the push plate 12 is movably connected with the inner end of the pressure lever 10, the other side of the push plate 12 is provided with a spring 14, and the tail end of the spring 14 is connected with a movable plate 15; the position of the pressure lever 10 is adjusted by rotating the rotary disc, the push plate 12 is driven to compress the spring 14, and the movable plate 15 is driven to move in the outer shell, so as to achieve the purpose of changing the pressure in the tube body.
Further, a guide rod 11 is arranged in the outer shell, the bottom end of the guide rod 11 is connected with a movable plate 15, and the top end of the guide rod 11 movably penetrates through the push plate 12 and the top cover 8; the stability of this device when using is strengthened.
Further, a gap 17 is formed in the outer shell 13, and a hose 23 penetrates through the gap 17; convenient to use avoids seal assembly to remove for the structure of coupling hose takes place to come off.
Furthermore, central holes 38 are formed in the middle parts of the auxiliary sealing block 27 and the main sealing block 26, and the central column 34 is inserted into the central holes 38 on the auxiliary sealing block 27 and the main sealing block 26 and fixed; the installation is convenient, the parts are easy to disassemble, the replacement is convenient, and the service life of the device is prolonged.
Example 2:
referring to fig. 3, this embodiment is a further improvement of embodiment 1, in this embodiment, the plugging mechanism includes a movable sealing ball 16 and a movable column 21, one end of the movable column 21 is fixedly connected to the movable sealing ball 16, one side of the partition plate 19 close to the through hole is provided with a first magnet 18, one side of the movable column 21 far away from the through hole is provided with a second magnet 20 parallel to the first magnet 18, the second magnet 20 is mutually exclusive with the first magnet 18, the movable column 21 is slidably connected to the inner wall of the sealing box 7, and the sliding direction is directed to the through hole, the partition plate 19 is further slidably provided with a guide post, one end of the guide post is fixed to the first magnet 18, the other end of the guide post is fixed with a first electromagnet 24, one side of the partition plate 19 far away from the through hole is provided with a second electromagnet 25, the second electromagnet 25 is repelled after being electrified with the first electromagnet 24, and the first electromagnet 24 and the second electromagnet 25 are connected to, the magnitude of the current led into the first electromagnet 24 and the second electromagnet 25 is adjusted to adjust the magnitude of the repulsive force of the two electromagnets, so that the guide pillar can be pushed to move, the first magnet 18 is close to the via hole, the second magnet 20 is gradually close to the via hole, the movable sealing ball 16 can be used for sealing the via hole of the guide pillar, and the gas in the communicating pipe 6 can not be led into the sealing box 7 any more.
When the device is used, after the connection with the natural gas pipeline 1 is completed, the through hole 4 is communicated with the pipe body 3, two ends of the pipe body 3 are communicated with the natural gas pipeline 1, the natural gas enters the communicating pipe 6, so that the air pressure in the communicating pipe 6 is increased, the movable sealing ball 16 can be jacked up, the movable column 21 slides in the sealing box 7, the gas enters the sealing box 7, the communicating pipe 6 is also communicated with the hose 23, the hose 23 is communicated with the annular groove 28 in the auxiliary sealing block 27, so that the air pressure in the annular groove 28 is increased, the expansion sealing ring 37 is expanded, after the expansion sealing ring 37 is expanded, the outer surface is in closer contact with the inner wall of the cavity in the outer shell 13, the air tightness of the device is stronger, the leakage is difficult to occur, and when a small amount of gas enters the middle groove 35, the gas enters the inner cavity 31 through the through hole 30, then gas enters into each cannula 39 communicated with the inner cavity, the gas is guided into the annular groove 28 and can expand the expansion sealing ring 37, the gas leaked into the intermediate groove 35 of the device enters into the annular groove 28 and expands the expansion sealing ring 37, so that the air tightness of the device is ensured, the gas leakage is not easy to occur, and even if a small amount of leakage exists, the device can guide the leaked gas to enter into the annular groove, expand the expansion sealing ring 37 and reseal the annular groove;
when the air pump works, the air pump 5 injects air into the sealing box 7 through the air delivery pipe 22, so that the pressure in the sealing box 7 is greater than the pressure in the communicating pipe 6, the movable sealing ball 16 is tightly pressed at the conducting hole to generate a sealing effect, the air is only guided into the annular groove through the hose 23, if the pressure in the annular groove rises to a certain value, the internal pressure of the communicating pipe 6 communicated with the annular groove is increased to be greater than the internal pressure of the sealing box 7, the movable sealing ball 16 is jacked up, the air enters the sealing box, the internal pressure is prevented from being too high, and the effect of protecting and buffering can be achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a prevent high natural gas pressure regulator of leakage security, includes shell body (13), body (3) and locates ring flange (2) at body (3) both ends, ring flange (2) are used for being connected with gas transmission pipeline (1) to make this device establish ties in gas transmission pipeline, shell body (13) are fixed in the body (3) outside, and offer on body (3) through-hole (4) with the inside intercommunication of shell body (13), its characterized in that:
the middle part in the outer shell (13) is a cylindrical cavity, a movable plate (15) is movably arranged in the cavity, a sealing assembly is mounted on one side, close to the through hole (4), of the movable plate (15), the sealing assembly is used for preventing gas in the gas transmission pipeline (1) from passing through, an adjusting assembly is mounted on the other side of the movable plate (15), and the adjusting assembly is used for adjusting the position of the movable plate (15) so as to achieve the effect of adjusting the gas transmission pressure;
the sealing assembly is internally provided with an auxiliary sealing block (27) arranged in the cavity, the outer side surface of the auxiliary sealing block (27) is in sealing contact with the inner wall of the cavity, an annular groove (28) is formed in the outer side surface of the auxiliary sealing block (27), and an expansion sealing ring (37) covering the notch of the annular groove (28) is fixed on the outer side surface of the auxiliary sealing block (27);
an air pump (5) and a sealing box (7) are further arranged on the outer side of the outer shell (13), a through hole is formed in the shell of the sealing box (7), a partition plate (19) for separation is fixed in the sealing box (7), a plugging mechanism is movably mounted on one side, close to the through hole, of the partition plate (19), the plugging mechanism moves to seal the through hole, an outer port of the through hole is connected with a communicating pipe (6), and the other end of the communicating pipe (6) is communicated with the through hole (4) all the time;
the air delivery end of the air pump (5) is connected with the air delivery pipe (22), the other end of the air delivery pipe (22) is communicated with one side, close to the conducting hole, of the partition plate (19) in the sealing box (7), the communicating pipe (6) is connected with a hose (23) communicated with the inside of the communicating pipe, and the other end of the hose (23) is communicated with the inside of the annular groove (28) in the sealing assembly.
2. A high natural gas pressure regulator of high leakage prevention according to claim 1, characterized in that: the sealing assembly comprises two auxiliary sealing blocks (27), a main sealing block (26) and a central column (34), wherein the two sides of the main sealing block (26) are respectively fixed with one auxiliary sealing block (27), and a plurality of insertion pipes (39) communicated with the inner annular groove (28) of the main sealing block (26) are circumferentially fixed on one side, close to the main sealing block (26), of each auxiliary sealing block (27);
an inner cavity (31) is formed in the main sealing block (26), two opposite side faces, close to the auxiliary sealing block (27), of the main sealing block (26) are circumferentially provided with insertion holes (40) corresponding to the insertion pipes (39), the insertion holes (40) are communicated with the inner cavity (31), and the insertion pipes (39) on the auxiliary sealing block (27) are inserted into the corresponding insertion holes (40);
a middle groove (35) is formed in the side face of the main sealing block (26), a gap is reserved between the groove wall of the middle groove (35) and the inner wall of the inner cavity of the outer shell (13), a plurality of through holes (30) are distributed on the groove wall of the middle groove (35), and the through holes (30) are communicated with the inner cavity (31);
one end of the central column (34) is fixed with the movable plate (15), and the main sealing block (26) and the two auxiliary sealing blocks (27) are fixedly connected to the central column (34) in series.
3. A high natural gas pressure regulator of high leakage prevention according to claim 2, characterized in that: at least one fixed sealing ring (36) is fixed on the side surface of the auxiliary sealing block (27).
4. A high natural gas pressure regulator of high leakage prevention according to claim 2, characterized in that: the longitudinal section of the middle groove (35) is in an isosceles trapezoid shape, and the groove width of the middle groove (35) is gradually increased from inside to outside.
5. A high natural gas pressure regulator of high leakage prevention according to claim 1, characterized in that: the adjusting part comprises a top cover (8), a rotary table (9), a pressing rod (10) and a pushing plate (12), wherein the top cover (8) can be detachably fixed at the inner top of the outer shell (13), the pressing rod (10) is spirally connected onto the top cover (8), the inner end of the pressing rod extends into the outer shell (13), the pushing plate (12) is movably arranged in the outer shell (13), one side of the pushing plate (12) is movably connected with the inner end of the pressing rod (10), a spring (14) is installed on the other side of the pushing plate (12), and the tail end of the spring (14) is connected with the movable plate (15).
6. A high natural gas pressure regulator of security against leakage according to claim 5, characterized in that: a guide rod (11) is arranged in the outer shell, the bottom end of the guide rod (11) is connected with a movable plate (15), and the top end of the guide rod (11) movably penetrates through a push plate (12) and a top cover (8).
7. A high natural gas pressure regulator of high leakage prevention according to claim 1, characterized in that: a notch (17) is formed in the outer shell (13), and the hose (23) penetrates through the notch (17).
8. A high natural gas pressure regulator of high leakage prevention according to claim 2, characterized in that: the middle parts of the auxiliary sealing block (27) and the main sealing block (26) are provided with center holes (38), and the center column (34) is inserted into the center holes (38) on the auxiliary sealing block (27) and the main sealing block (26) and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010370413.4A CN111637263B (en) | 2020-05-06 | 2020-05-06 | Prevent leaking high pressure regulator for natural gas of security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010370413.4A CN111637263B (en) | 2020-05-06 | 2020-05-06 | Prevent leaking high pressure regulator for natural gas of security |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111637263A true CN111637263A (en) | 2020-09-08 |
| CN111637263B CN111637263B (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010370413.4A Expired - Fee Related CN111637263B (en) | 2020-05-06 | 2020-05-06 | Prevent leaking high pressure regulator for natural gas of security |
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| CN2646491Y (en) * | 2003-10-13 | 2004-10-06 | 刘万康 | Throttling stop valve |
| CN201561169U (en) * | 2009-07-24 | 2010-08-25 | 张金雁 | Double-centering type gas pressure regulator |
| CN103968124A (en) * | 2014-05-04 | 2014-08-06 | 刘平 | Safety valve for tap water |
| CN204061927U (en) * | 2014-09-10 | 2014-12-31 | 温州市石化机械阀门有限公司 | Airbag sealed type low temperature valve |
| CN104613047A (en) * | 2013-11-05 | 2015-05-13 | 天津市鑫浩盛液压机械科技有限公司 | Leakage-proof pressure-bearing hydraulic cylinder |
| CN208204025U (en) * | 2018-01-19 | 2018-12-07 | 甘肃雨禾节水灌溉设备有限公司 | A kind of Water-saving irrigation valve |
| CN209909199U (en) * | 2019-04-12 | 2020-01-07 | 江苏横河自控阀门有限公司 | Gas expansion sealing single-seat regulating valve |
-
2020
- 2020-05-06 CN CN202010370413.4A patent/CN111637263B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2646491Y (en) * | 2003-10-13 | 2004-10-06 | 刘万康 | Throttling stop valve |
| CN201561169U (en) * | 2009-07-24 | 2010-08-25 | 张金雁 | Double-centering type gas pressure regulator |
| CN104613047A (en) * | 2013-11-05 | 2015-05-13 | 天津市鑫浩盛液压机械科技有限公司 | Leakage-proof pressure-bearing hydraulic cylinder |
| CN103968124A (en) * | 2014-05-04 | 2014-08-06 | 刘平 | Safety valve for tap water |
| CN204061927U (en) * | 2014-09-10 | 2014-12-31 | 温州市石化机械阀门有限公司 | Airbag sealed type low temperature valve |
| CN208204025U (en) * | 2018-01-19 | 2018-12-07 | 甘肃雨禾节水灌溉设备有限公司 | A kind of Water-saving irrigation valve |
| CN209909199U (en) * | 2019-04-12 | 2020-01-07 | 江苏横河自控阀门有限公司 | Gas expansion sealing single-seat regulating valve |
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| Publication number | Publication date |
|---|---|
| CN111637263B (en) | 2021-12-24 |
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