CN113280137B - Diaphragm type mud valve - Google Patents
Diaphragm type mud valve Download PDFInfo
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- CN113280137B CN113280137B CN202110833707.0A CN202110833707A CN113280137B CN 113280137 B CN113280137 B CN 113280137B CN 202110833707 A CN202110833707 A CN 202110833707A CN 113280137 B CN113280137 B CN 113280137B
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to the technical field of mud valves, in particular to a diaphragm type mud valve, which comprises a valve body, a valve rod, a valve clack, a sealing ring and a quick-release cylinder, wherein a sealing inclined plane is arranged at the edge of the inner side of one end of the quick-release cylinder, an extending part matched with the outline of the sealing inclined plane is arranged at the bottom of the sealing ring, a sealing step groove is arranged at the outer edge of the end part of the quick-release cylinder, a bearing bulge used for bearing the sealing ring is arranged between the sealing step groove and the sealing inclined plane, an outwardly extending step layer is arranged at the outer side of the sealing ring, the step layer can be positioned in the sealing step groove, a sealing notch is arranged at the top of the step layer, a pressing bulge is arranged at the upper edge of the inner wall of the output end of the valve body, the quick-release cylinder can be detachably pressed in the output end, the bottom of the pressing bulge can be attached to the surface of the bearing bulge, a pressing ring-shaped plate which can correspond to the sealing notch and can be extruded in is arranged at the bottom of the pressing bulge, the invention is convenient for the quick replacement of the sealing ring of the valve body in the later period and is beneficial to maintenance.
Description
Technical Field
The invention relates to the technical field of mud discharge valves, in particular to a diaphragm type mud discharge valve.
Background
The sludge discharge valve is also called a cover valve and is commonly used for discharging sludge at the bottom of a sedimentation tank of a municipal water plant and a sewage treatment plant. The medium suitable for the mud valve is raw sewage, the temperature of the medium is generally less than 50 ℃, and the working water depth is less than 10 meters. The mud valve is also used for discharging sludge and waste water in a water treatment plant, the output port of the existing mud valve can be corroded for a long time due to the influence of the using environment, and some parts are easy to damage.
According to the above problems, the Chinese patent No.: CN 201610431468.5's a diaphragm formula quick-open mud valve, including valve body, diaphragm seat and valve gap, there is the import on one side of the said valve body, there is the export bottom the said valve body, there is the valve clack in the valve body, there is the diaphragm between top of diaphragm seat and the bottom of the said valve gap, form the water pressure chamber between said diaphragm and the valve gap, form the cooperation chamber between said diaphragm and the diaphragm seat, said diaphragm is equipped with the upper diaphragm clamp plate and lower diaphragm clamp plate separately on the upper and lower two sides; the diaphragm seat bottom is equipped with the through-hole, the valve rod with the valve clack is connected, and the through-hole that the valve rod upper end passed the diaphragm seat is connected with diaphragm, last diaphragm clamp plate and lower diaphragm clamp plate, and the valve gap top is equipped with water inlet and delivery port, and water inlet department is equipped with the filter and is linked together through the entrance point of takeover with the valve body, the cooperation chamber is equipped with the pressure balance hole the same with the external world. Compared with the prior art, the invention has the advantages of good controllability, long service life, low installation cost and the like.
Above-mentioned technical scheme, though the operability is better, the installation cost is low, but the seal structure of the delivery outlet of valve body comprises the outside rubber layer of valve clack and sealing washer, these two sealing element bind together with the valve clack, because preceding, the mud valve is in mud waste water environment for a long time and works, the environment is abominable, internal element often can be corroded and damaged, so the maintenance interval of mud valve is shorter, the frequency is higher, so if the sealing element of the mud valve in the installation of above-mentioned technique is changed, must demolish the valve body, take out valve rod and valve clack, the installation of valve body itself just is more complicated, frequently dismantle, very easily cause follow-up installation precision to change, be unfriendly to valve body overall structure, also increase the maintenance degree of difficulty simultaneously, have certain operating capability requirement to the operator.
Disclosure of Invention
The invention aims to provide a diaphragm type mud valve.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a diaphragm formula mud valve, includes valve body, valve rod, valve clack and sealing ring, still includes that both ends are uncovered, and be a tubulose quick detach section of thick bamboo, and the inboard border department of one end of quick detach section of thick bamboo has seted up sealed inclined plane, and the bottom of sealing ring is equipped with the extension that can match with sealed inclined plane outline, sealed inclined plane is used for the bearing the extension, the extension with sealed inclined plane can be hugged closely mutually, the valve clack can get into in the quick detach section of thick bamboo to can hug closely the extension and constitute sealed effect, and the tip outer border of quick detach section of thick bamboo has seted up sealed ladder groove, and sealed ladder groove corresponds sealed inclined plane setting, sealed ladder groove with it is protruding to have the bearing that is used for bearing the sealing ring together between the sealed inclined plane, and the sealing ring sets up at the bellied top of bearing, and the outside of sealing ring has the ladder layer of outside extension, and the ladder layer can be in sealed ladder inslot, and with the profile matching of the cell wall in sealed ladder groove, the top on ladder layer has the sealed notch of undercut, and the upper portion border of valve body output inner wall has the axis around the valve body output and encircles the arch that compresses tightly that forms, compress tightly the arch and be cyclic annular, and with valve body integrated into one piece, the pressure equipment that quick detach section of thick bamboo can be dismantled is in the output of valve body, and with the valve rod coaxial line, when quick detach section of thick bamboo is in the valve body, the inner wall of quick detach section of thick bamboo constitutes the runner that is used for the mud discharging, compresses tightly bellied border bottom and can laminate from top to bottom with the bellied top face of bearing, it still has the extrusion annular slab that can correspond sealed notch to compress tightly bellied bottom, in the sealed notch can be crowded to force the inner wall of ladder layer deformation in order to hug closely the output of valve body, in order to form seal structure.
Furthermore, a gap for inserting the quick-release cylinder is reserved between the outer wall of the quick-release cylinder and the inner wall of the output end of the valve body.
Further, the top of the valve clack is provided with a compacted part, the size of the compacted part is larger than that of the valve clack, and the compacted part can be in close contact with the top surface of the compaction protrusion after the valve clack enters the quick release cylinder.
Further, the bottom edge of the extrusion annular plate is provided with an extrusion arc surface.
Furthermore, the bottom end of the quick-release cylinder is provided with a connecting disc, the output end of the valve body is provided with a flange plate, and the connecting disc is provided with a plurality of shaft holes which are in one-to-one correspondence with all threaded holes in the flange plate.
Furthermore, the outer surface of the bottom end of the quick-release cylinder is provided with an external thread, the inner wall structure of the output end of the valve body is narrow at the top and wide at the bottom, the inner wall of the opening of the output end of the valve body is provided with an internal thread, and the internal thread can be in threaded fit with the external thread on the quick-release cylinder.
Further, the stepped layer, the extension part and the sealing ring are integrally formed.
The invention has the beneficial effects that: because the sealing ring is decoupled with the valve clack, a valve rod component is not required to be moved when the sealing ring is replaced, and the sealing ring is not required to be installed on the valve clack through complicated operation; the valve body sealing ring is very friendly to maintenance operation, is very convenient to disassemble and assemble, and is very beneficial to the replacement and maintenance work of the sealing ring of the valve body in the later period;
meanwhile, the sealing ring is not required to be arranged on the valve clack, so the valve clack and the valve rod can be integrally formed, some complicated preparation processes are saved, and some elements of a positioning nut are also saved, so that the quick-release barrel and other parts are additionally arranged, the cost and the preparation process are not greatly fluctuated, and the mass production is facilitated;
compress tightly protruding through the pressure equipment operation to quick detach section of thick bamboo, can tightly press the sealing ring on the bearing is protruding, played the airtight effect of this part like this, the cooperation is simultaneously along with the valve clack closed real part of pressure further pushes down compressing tightly protruding, simultaneously in the cooperation ladder layer by the seal structure of the oppression formation of extrusion ring shaped plate for sealing quality also promotes greatly, for traditional sealed mode, in sealed effect, has and shows the promotion.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a first schematic plan view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is a second schematic plan view of the present invention;
FIG. 5 is an enlarged view at C of FIG. 4;
FIG. 6 is a perspective exploded view of the present invention;
FIG. 7 is an enlarged view at D of FIG. 6;
fig. 8 is an enlarged view at E in fig. 6.
In the figure: 0. a valve body; 1. an output end; 2. a valve stem; 3. a valve flap; 4. a compaction part;
5. compressing the bulge;
6. a seal ring; 7. an extension portion; 8. a step layer; 9. a sealing recess;
10. extruding the annular plate; 11. extruding into a circular arc surface;
12. a quick release cylinder; 13. sealing the inclined plane; 14. sealing the stepped groove; 15. connecting the disks;
16. a flange plate; 17. a shaft hole;
18. an external thread;
19. and bearing the protrusion.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, a diaphragm mud valve comprises a valve body 0, a valve rod 2, a valve flap 3, a sealing ring 6, and a quick-release barrel 12 with two open ends and a tubular shape, wherein the aperture of the output end 1 of the valve body 0 is larger than that of the output end 1 of the mud valve in the prior art, a sealing inclined plane 13 is arranged at the inner side edge of one end of the quick-release barrel 12, an extension part 7 capable of being matched with the outer contour of the sealing inclined plane 13 is arranged at the bottom of the sealing ring 6, the sealing inclined plane 13 is used for supporting the extension part 7, the extension part 7 and the sealing inclined plane 13 can be tightly attached, the valve flap 3 can enter the quick-release barrel 12 and can be tightly attached to the extension part 7 to form a sealing effect, a sealing stepped groove 14 is arranged at the outer edge of the end part of the quick-release barrel 12, the sealing stepped groove 14 corresponds to the sealing inclined plane 13, a bearing 19 for bearing the sealing ring 6 is arranged between the sealing stepped groove 14 and the sealing inclined plane 13, sealing ring 6 sets up at the protruding 19 tops of bearing, and the outside of sealing ring 6 has outside extension's ladder layer 8, and ladder layer 8 can be in sealed ladder groove 14 to with the profile matching of the cell wall of sealed ladder groove 14, the top of ladder layer 8 has undercut's sealed notch 9, and the upper portion border of valve body 0 output 1 inner wall has the protruding 5 that compresses tightly that encircles around the axis of valve body 0 output 1 and form, compress tightly protruding 5 and be cyclic annular, and with valve body 0 integrated into one piece, the pressure equipment that quick detach section of thick bamboo 12 can be dismantled is in the output 1 of valve body 0, and with valve rod 2 coaxial line, when quick detach section of thick bamboo 12 is in valve body 0, the inner wall of quick detach section of thick bamboo 12 constitutes the runner that is used for arranging mud, and the border bottom that compresses tightly protruding 5 can laminate from top to top with the protruding 19 faces of bearing from top to bottom, it still has the extrusion annular plate 10 that can correspond sealed notch 9 to compress tightly protruding 5 bottom, the squeeze ring plate 10 can squeeze into the sealing recess 9 to force the step layer 8 to deform to cling to the inner wall of the output end 1 of the valve body 0 to form a sealing structure.
A gap for inserting the quick-release cylinder 12 is reserved between the outer wall of the quick-release cylinder 12 and the inner wall of the output end 1 of the valve body 0.
The top of the valve clack 3 is provided with a compacted part 4, the size of the compacted part 4 is larger than that of the valve clack 3, and the compacted part 4 can be in close contact with the top surface of the compaction protrusion 5 after the valve clack 3 enters the quick release cylinder 12.
The bottom edge of the pressing ring plate 10 has a pressing-in arc surface 11.
The bottom end of the quick-release cylinder 12 is provided with a connecting disc 15, the output end 1 of the valve body 0 is provided with a flange plate 16, and the connecting disc 15 is provided with a plurality of shaft holes 17 which are in one-to-one correspondence with all threaded holes in the flange plate 16.
The step layer 8, the extension part 7 and the sealing ring 6 are integrally formed.
The working principle of the invention is as follows: the inner diameter of the inner wall of the output end 1 of the valve body 0 is larger than the aperture of the output end 1 of the traditional valve body 0, namely, a detachable quick-release cylinder 12 is independently manufactured by a reduced part, a sealing inclined plane 13 is arranged at the top end of the quick-release cylinder 12 and used for containing an extension part 7 of a sealing ring 6, the extension part 7 is positioned in the sealing inclined plane 13 to form a sealing layer, the sealing ring 6 is erected on the upper surface of a bearing bulge 19, and the bearing bulge 19 plays a bearing role on the sealing ring 6, in addition, the sealing ring 6, the extension part 7 and a stepped layer 8 are integrally formed and are relatively hard, so that the extension part 7 is positioned in the sealing inclined plane 13 and cannot upwarp;
when the quick-release sleeve is used, the sealing ring 6 is arranged on the bearing bulge 19, the extending part 7 is arranged on the sealing inclined plane 13, the stepped layer 8 is arranged on the groove surface of the sealing stepped groove 14, and under the action of the bearing bulge 19 and the stepped layer 8, the extending part 7 cannot be abraded due to use and slides into the quick-release barrel 12 from the sealing inclined plane 13 in a large amount; then the quick-release cylinder 12 is placed into the output end 1 of the valve body 0, the gap can ensure that the loading is not too laborious, when the top end of the quick-release cylinder 12 is about to reach the pressing protrusion 5, the extruding arc surface 11 at the lower end of the extruding annular plate 10 can enter the sealed stepped groove 14 and continuously go deep, the outer part of the stepped layer 8 can be forced to deform to be tightly attached to the inner wall of the output end 1 of the valve body 0, so as to form a sealing structure, at the moment, the sealing structure has an isolation effect on the gap between the quick-release cylinder 12 and the inner wall of the output end 1 of the valve body 0, so that water liquid is prevented from permeating in winter, the outer wall of the quick-release cylinder 12 and the inner surface of the output end 1 of the valve body 0 are frozen, and the quick-release cylinder 12 cannot be dismounted; after the quick-release cylinder 12 is placed in, the quick-release cylinder 12 is moved upwards and is compressed in a flange plate 16 mode or a mode that the internal thread is matched with the external thread 18;
the matching mode of the internal thread and the external thread 18 can facilitate the installation of the quick-release barrel 12, but the internal thread needs to be arranged on the inner wall of the output end 1 of the valve body 0, so that the processing steps are more;
the connection between the flange plate 16 of the valve body 0 and the connecting disc 15 is adopted, and when the output end 1 of the valve body 0 is connected with flanges of other pipelines in the later period, the connecting disc 15 can be pressed between the flange plate and the connecting disc, so that the press mounting of the quick-release cylinder 12 can be realized;
after the press fitting operation is finished, the pressing bulge 5 has the effect of pressing the sealing ring 6 tightly on the supporting bulge 19 through the press fitting operation, so that the sealing effect of the part is achieved, and meanwhile, the sealing quality is greatly improved by matching with a sealing structure formed by the stepped layer 8 and the pressing of the pressing annular plate 10;
in the daily work of the valve rod 2, the valve clack 3 can enter the sealing inclined plane 13 to tightly contact the extension part 7 to form a sealing effect; meanwhile, the compaction part 4 can apply pressure to the compaction protrusion 5 along with the descending of the valve clack 3, so that the compaction protrusion 5 is more compact in contact with the sealing ring 6, and the step layer 8 is also more compact when the extrusion annular plate 10 extrudes;
because the sealing ring 6 is decoupled from the valve clack 3, when the sealing ring 6 is replaced, the valve rod 2 part does not need to be moved, and the sealing ring 6 does not need to be installed on the valve clack 3 through complicated operation; the valve clack is very friendly to maintenance operation, and meanwhile, the sealing ring 6 is not required to be arranged on the valve clack 3, so that the valve clack 3 and the valve rod 2 can be integrally formed, some complicated preparation processes are saved, and some elements of a positioning nut are also saved, so that although the quick-release barrel 12 and other parts are additionally arranged, the cost and the preparation process are not greatly fluctuated, and the valve clack is favorable for batch production.
It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (7)
1. The utility model provides a diaphragm formula mud valve, includes valve body (0), valve rod (2), valve clack (3) and sealing ring (6), its characterized in that, still including both ends for uncovered, and be pipy quick detach section of thick bamboo (12), sealed inclined plane (13) have been seted up to the inboard border department of one end of quick detach section of thick bamboo (12), the bottom of sealing ring (6) is equipped with extension (7) that can match with sealed inclined plane (13) outline, sealed inclined plane (13) are used for the bearing extension (7), extension (7) with sealed inclined plane (13) can be hugged closely mutually, valve clack (3) can get into in quick detach section of thick bamboo (12) to can hug closely extension (7) and constitute sealed effect, sealed ladder groove (14) have been seted up to the outer border of tip of quick detach section of thick bamboo (12), sealed ladder groove (14) correspond sealed inclined plane (13) set up, sealed ladder groove (14) with it is used for bearing sealing ring (13) together to have between sealed inclined plane (13) 6) The protruding (19) of bearing, sealing ring (6) set up at the top of the protruding (19) of bearing, the outside of sealing ring (6) has outside extension ladder layer (8), ladder layer (8) can be in sealed ladder groove (14), and with the profile matching of the cell wall of sealed ladder groove (14), the top of ladder layer (8) has the sealed notch (9) of undercut, the upper portion border of valve body (0) output (1) inner wall has the axis around valve body (0) output (1) and encircles the arch (5) that compresses tightly that forms, it is cyclic annular to compress tightly arch (5), and with valve body (0) integrated into one piece, the pressure equipment that quick detach section of thick bamboo (12) can be dismantled is in output (1) of valve body (0), and with valve rod (2) coaxial line, when quick detach section of thick bamboo (12) is in valve body (0), the inner wall of quick detach section of thick bamboo (12) constitutes the runner that is used for arranging mud, compress tightly the border bottom of arch (5) and can laminate from top to bottom with the face of bearing arch (19) top, it still has extrusion annular plate (10) that can correspond sealed notch (9) to compress tightly protruding (5) bottom, extrusion annular plate (10) can be crowded in sealed notch (9) to force ladder layer (8) deformation in order to hug closely the inner wall of output (1) of valve body (0), in order to form seal structure.
2. The diaphragm type mud valve according to claim 1, wherein a gap for inserting the quick-release cylinder (12) is reserved between the outer wall of the quick-release cylinder (12) and the inner wall of the output end (1) of the valve body (0).
3. A diaphragm mud valve according to claim 1, characterized in that the top of the valve flap (3) has a compacted part (4), the compacted part (4) is larger than the valve flap (3), and the compacted part (4) can be in close contact with the top surface of the compression protrusion (5) after the valve flap (3) enters the quick release cylinder (12).
4. A diaphragm mud valve according to claim 1, characterised in that the bottom edge of the squeeze ring plate (10) has a squeeze-in radius (11).
5. The diaphragm type mud valve according to any one of claims 1 to 4, wherein the bottom end of the quick-release cylinder (12) is provided with a connecting disc (15), the output end (1) of the valve body (0) is provided with a flange (16), and the connecting disc (15) is provided with a plurality of shaft holes (17) which correspond to all threaded holes in the flange (16) in a one-to-one manner.
6. The diaphragm type mud valve according to any one of claims 1 to 4, wherein an external thread (18) is formed on the outer surface of the bottom end of the quick-release cylinder (12), the inner wall structure of the output end (1) of the valve body (0) is narrow at the top and wide at the bottom, an internal thread is formed on the inner wall of the opening of the output end (1) of the valve body (0), and the internal thread can be in threaded fit with the external thread (18) on the quick-release cylinder (12).
7. A diaphragm mud valve according to any of claims 1 to 4, characterised in that the stepped layer (8), the extension (7) and the sealing ring (6) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833707.0A CN113280137B (en) | 2021-07-23 | 2021-07-23 | Diaphragm type mud valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833707.0A CN113280137B (en) | 2021-07-23 | 2021-07-23 | Diaphragm type mud valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113280137A CN113280137A (en) | 2021-08-20 |
| CN113280137B true CN113280137B (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110833707.0A Active CN113280137B (en) | 2021-07-23 | 2021-07-23 | Diaphragm type mud valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113280137B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6155476A (en) * | 1984-08-24 | 1986-03-19 | Aioi Seiki Kk | Lift valve |
| CN206682333U (en) * | 2017-04-26 | 2017-11-28 | 浙江普天阀门科技有限公司 | A kind of new high sealing stop valve |
| CN211039778U (en) * | 2019-12-06 | 2020-07-17 | 玉环比得宝气阀有限公司 | Three-way stop valve |
| CN212719194U (en) * | 2020-04-09 | 2021-03-16 | 宁波三安制阀有限公司 | Pressure reducing piston valve |
| CN112728251A (en) * | 2021-01-04 | 2021-04-30 | 伟鑫(广州)工业科技有限公司 | Axial seal structure of joint |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080296848A1 (en) * | 2007-06-01 | 2008-12-04 | Taylor Innovations, L.L.C. | Annular sealing member with enhanced hoop strength |
-
2021
- 2021-07-23 CN CN202110833707.0A patent/CN113280137B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6155476A (en) * | 1984-08-24 | 1986-03-19 | Aioi Seiki Kk | Lift valve |
| CN206682333U (en) * | 2017-04-26 | 2017-11-28 | 浙江普天阀门科技有限公司 | A kind of new high sealing stop valve |
| CN211039778U (en) * | 2019-12-06 | 2020-07-17 | 玉环比得宝气阀有限公司 | Three-way stop valve |
| CN212719194U (en) * | 2020-04-09 | 2021-03-16 | 宁波三安制阀有限公司 | Pressure reducing piston valve |
| CN112728251A (en) * | 2021-01-04 | 2021-04-30 | 伟鑫(广州)工业科技有限公司 | Axial seal structure of joint |
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| Publication number | Publication date |
|---|---|
| CN113280137A (en) | 2021-08-20 |
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Effective date of registration: 20211224 Address after: 315000 No. 189, Shengyuan Road, Fenghua Economic Development Zone, Ningbo City, Zhejiang Province (self declaration) Patentee after: NINGBO VALVE MANUFACTURING Co.,Ltd. Address before: 261061 West Zone, first floor, comprehensive office building, south of planned secondary trunk road, west of Huixian Road, Qingxin community, Xincheng street, high tech Zone, Weifang City, Shandong Province Patentee before: Shandong Taiheng Intelligent Environmental Technology Co.,Ltd. Patentee before: Ningbo Yiji Valve Manufacturing Co., Ltd |
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Effective date of registration: 20211231 Address after: 261000 west area, 1st floor, comprehensive office building, west of Huixian Road, Qingxin community, Xincheng street, high tech Zone, Weifang City, Shandong Province Patentee after: Shandong Taiheng Intelligent Environmental Technology Co.,Ltd. Patentee after: Ningbo Yiji Valve Manufacturing Co., Ltd Address before: 315000 No. 189, Shengyuan Road, Fenghua Economic Development Zone, Ningbo City, Zhejiang Province (self declaration) Patentee before: NINGBO VALVE MANUFACTURING Co.,Ltd. |