CN107816559B - Improved combined valve body - Google Patents
Improved combined valve body Download PDFInfo
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- CN107816559B CN107816559B CN201711185768.0A CN201711185768A CN107816559B CN 107816559 B CN107816559 B CN 107816559B CN 201711185768 A CN201711185768 A CN 201711185768A CN 107816559 B CN107816559 B CN 107816559B
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0209—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor the valve having a particular passage, e.g. provided with a filter, throttle or safety device
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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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/12—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with wedge-shaped arrangements of sealing faces
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Valve Housings (AREA)
Abstract
The invention provides an improved combined valve body, which comprises a check structure, a valve assembly and a valve handle, wherein the check structure is fixedly connected to the fluid output end of the valve assembly, a lower valve port, a valve core and an upper end sealing seat are arranged in the valve assembly, the valve core is of a conical structure, a conical small end of the valve core forms a two-half valve plate structure through a notch, and a conical large end of the valve core is detachably fixed in the upper end sealing seat of the valve assembly; the valve handle is provided with a cone part which is arranged in the cone structure of the valve core; a sealing nut is arranged at the lower valve port; an inner sealing piece and an end cover are further arranged on the upper end sealing seat of the valve assembly, and the valve handle penetrates through the inner sealing piece and the end cover; the inner sealing piece is arranged on the inner side of the upper end sealing seat; the end cover is arranged at the top end of the upper end sealing seat; the combined valve provided by the invention has the advantages that the effects of interception and non-return are realized, the sealing effect of the valve core and the valve body is improved, the sealing reliability is improved, the assembly and the disassembly are convenient, the maintenance is convenient, and the cost is low.
Description
Technical Field
The invention belongs to the technical field of valves, and particularly relates to an improved combined valve body.
Background
The utility model provides a flow control and the component of opening and close of flow as fluid flow in waterway system, oil circuit system are often used to shutoff effect valve and one-way check effect valve, prior art sets up flow shutoff valve and check valve respectively on the pipeline simultaneously, single functional valve body equipment has not only reduced the sealing performance of pipeline, still improved installation use cost, and the problem that the leakproofness reduces often appears after current valve body structure uses for a long time, the shutoff lacks the reliability, the durability is poor, current check valve structure is complicated simultaneously, the check effect is relatively poor, especially often need demolish the change with whole valve body when the check valve appears damaging, when the check valve is as wearing parts, the cost is higher.
Disclosure of Invention
In view of the above, the present invention aims to provide an improved combined valve body, so as to solve the technical problems existing in the prior art, meet the functional requirement of one-way check of interception, facilitate replacement and maintenance of the valve, improve the reliability of interception of the valve, and particularly improve the sealing performance and the long-term durability of the sealing of the valve.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides an improved generation combination formula valve body, includes non return structure, valve subassembly, valve handle, and non return structure rigid coupling is equipped with lower valve port, case, upper end seal seat in the valve subassembly at the fluid output of valve subassembly, and the case is the toper structure, and the toper tip of case forms two half valve plate structures through the incision, and the toper big end of case is detachable to be fixed in the upper end seal seat of valve subassembly; the valve handle is provided with a cone part, the cone part is arranged in a cone structure of the valve core, and two half valve plate structures which can prop open the notch are propped against the inner wall of the lower valve port, so that the interception effect is realized; when the valve core is separated from the inner wall of the lower valve port, fluid passes through the valve assembly; the sealing nut is arranged at the lower valve port, and the detachable sealing nut structure can realize the dirt cleaning operation; an inner sealing piece and an end cover are further arranged on the upper end sealing seat of the valve assembly, and the valve handle penetrates through the inner sealing piece and the end cover; the inner sealing piece is arranged on the inner side of the upper end sealing seat; the end cover is arranged at the top end of the upper end sealing seat; the inner sealing piece plays a sealing role, and the end cover plays a sealing and supporting role;
further, the valve handle comprises a handle part for rotation and a straight rod part connected between the handle part and the cone part, a thread structure is arranged on the straight rod part, and the straight rod part is arranged on the end cover and/or the inner sealing piece in a threaded connection mode;
further, the valve core further comprises a cylindrical part mounting part, the cylindrical part mounting part is arranged at one side of the conical large end, a positioning block is arranged outside the cylindrical part mounting part, the positioning block is embedded and inserted into the upper end sealing seat, and a sealing gasket is arranged between the cylindrical part mounting part and the valve core;
further, the valve assembly further comprises a valve left end pipe and a valve right end pipe, and the pipe end of the valve right end is propped against the inlet end of the check structure;
further, the check structure comprises a valve pipe, an end cover flange, a supporting frame, a plugging piece, a partition plate and a cover plate; the valve tube is of a stepped tube structure; the valve pipe is fixedly connected to a valve right end pipe on the valve component through threads; the support frame is arranged in the valve pipe in a threaded manner, and the end cover flange is arranged at the end part of the valve pipe and can be arranged at one end or two ends; the cover plate, the partition plate and the plugging piece are sequentially arranged on the support frame, the outer edge of the cover plate is movably attached to the inner wall of the small-diameter part of the valve pipe, and the partition plate is tightly attached to the inner wall of the large-diameter part of the valve pipe; the baffle is provided with a diversion hole, the blocking piece is movably arranged on the support frame, and the blocking piece is movably blocked in the diversion hole; a spring is arranged on the cover plate and the baffle plate, and the spring is propped against the cover plate and the baffle plate; the cover plate is propped against the end part of the right end of the valve; another spring is arranged between the baffle plate and the blocking piece and is used for tensioning the blocking piece to block in the diversion hole;
further, a middle shaft, a connecting body and a threaded mounting part are arranged on the support frame, the middle shaft is connected to the threaded mounting part of the support frame through the connecting body, and the threaded mounting part of the support frame is fixed with the valve pipe in a threaded manner; a lock nut is arranged at the end part of the middle shaft;
further, the plugging piece comprises a middle plate, a connecting frame and a plugging cap, the plugging cap is arranged on the middle plate through the connecting frame and is used for plugging the diversion hole, the middle plate is provided with a plugging piece mounting hole, and the plugging piece mounting hole is used for being mounted on the middle shaft;
furthermore, the blocking cap is of an arc-shaped or semicircular structure, so that the fluid can push the arc-shaped bowl opening structure to push the whole blocking piece to be separated from the diversion hole of the partition plate; the reverse bowl opening structure can enable the fluid to push the blocking piece to block the diversion hole more easily;
furthermore, a middle hole of the partition plate is also arranged on the partition plate and used for penetrating through the center shaft, and a sealing structural member is arranged between the middle hole of the partition plate and the center shaft to play a sealing role;
further, a cover plate middle hole is formed in the cover plate, the cover plate middle hole is used for penetrating through the center shaft, and a sealing structural member is arranged between the cover plate middle hole and the center shaft to play a sealing role; the sealing ring is arranged on the cover plate, a sealing ring pad is sleeved at the position of the sealing ring, and the sealing ring pad is propped against the end pipe part of the pipeline to play a sealing role, and the sealing ring is arranged to prevent the sealing pad from falling off from the cover plate;
further, the diversion holes are uniformly arranged on the partition plate, the blocking caps are uniformly arranged on the circumference of the middle plate, and the diversion holes and the blocking caps are in four groups or three groups of structures; the fluid is ensured to pass through, and the non-return effect can be improved;
compared with the prior art, the combined valve has the following advantages:
the combined valve realizes the effects of interception and non-return, the interception part adopts a notched conical structure, the sealing effect of the valve core and the valve body is improved, the sealing reliability is improved, the interception valve structure effectively reduces friction loss, ensures the long-term durability of interception sealing, has a simple structure, is convenient to maintain by adopting a unitized structure, and reduces the maintenance cost by replacing elements after unitization; the interception and check structures are fixedly connected through the valve end pipe, so that the use is more flexible, and a pipeline system is simplified; and meanwhile, the unitized check valve structure is convenient to assemble, disassemble and maintain, and the cost is low.
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 specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a combined valve according to an embodiment of the present invention;
FIG. 2 is a schematic view of a check structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a support frame according to an embodiment of the present invention;
FIG. 4 is a schematic view of a closure according to an embodiment of the present invention;
FIG. 5 is a schematic view of a spacer bracket according to an embodiment of the present invention;
FIG. 6 is a schematic view of a cover plate according to an embodiment of the invention;
FIG. 7 is a schematic view of a valve element according to an embodiment of the present invention;
FIG. 8 is a schematic view of a valve handle according to an embodiment of the present invention;
reference numerals illustrate:
1-a non-return structure; 10-valve tube; 11-end cap flanges; 12-supporting frames; 120-center shaft; 121-linker; 13-a closure; 130-an intermediate plate; 131-connecting frames; 132-cap blocking; 14-a separator; 140-holes in the separator; 141-deflector holes; 15-cover plate; 150-sealing rings; 151-holes in the cover plate; 16-a spring; 17-locking nut; 2-valve assembly; 20-a lower valve port; 200-sealing the nut; 21-valve left end tube; 22-valve right end tube; 23-valve core; 230-positioning blocks; 2310-incision; 24-an upper end sealing seat; 25-an inner seal; 26-end caps; 3-a valve handle; 31-handle portion; 32-a straight rod part; 33-taper.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1, an improved combined valve body comprises a check structure 1, a valve assembly 2 and a valve handle 3, wherein the check structure 1 is fixedly connected to a fluid output end of the valve assembly 2, a lower valve port 20, a valve core 23 and an upper end sealing seat 24 are arranged in the valve assembly 2, the valve core 23 is in a conical structure, a conical small end of the valve core 23 forms a two-half valve plate structure through a notch 2310, and a conical large end of the valve core 23 is detachably fixed in the upper end sealing seat 24 of the valve assembly 2; the valve handle 3 is provided with a cone part 33, the cone part 33 is arranged in the cone structure of the valve core 23, and the two half valve plate structures which can prop open the notch are propped against the inner wall of the lower valve port 20, so as to realize the interception function; when the valve core 23 is separated from the inner wall of the lower valve port 20, fluid passes through the valve assembly; a sealing nut 200 is arranged at the lower valve port 20, and the detachable sealing nut structure can realize the dirt cleaning operation; an inner sealing piece 25 and an end cover 26 are further arranged on the upper end sealing seat 24 of the valve assembly 2, and the valve handle 3 passes through the inner sealing piece 25 and the end cover 26; the inner sealing member 25 is arranged on the inner side of the upper end sealing seat 24; end cap 26 is disposed on top of upper seal block 24; the inner sealing member 25 plays a role in sealing, and the end cover 26 plays a role in sealing and supporting; referring to fig. 8, the valve handle 3 includes a grip portion 31 for rotation, a straight rod portion 32 connecting between the grip portion 31 and the taper portion 33, a threaded structure is provided on the straight rod portion 32, and the straight rod portion 32 is provided on the end cover 26 and/or the inner seal member 25 in a threaded connection manner; as shown in fig. 7, the valve core 23 further includes a cylindrical portion mounting portion, the cylindrical portion mounting portion is disposed on one side of the conical large end, a positioning block 230 is disposed outside the cylindrical portion mounting portion, the positioning block 230 is inserted into the upper end sealing seat 24, and a sealing gasket is disposed between the cylindrical portion mounting portion and the valve core 23; the valve assembly 2 further comprises a valve left end pipe 21 and a valve right end pipe 22, and the end of the valve right end pipe 22 is propped against the inlet end of the check structure 1;
referring to fig. 2 to 6, the check structure 1 includes a valve tube 10, an end cap flange 11, a support bracket 12, a blocking piece 13, a partition 14, and a cover plate 15; the valve tube 10 has a stepped tube structure; the valve pipe 10 is fixedly connected to a valve right end pipe 22 on the valve assembly 2 through threads; the support frame 12 is arranged in the valve pipe 10 in a threaded manner, the end cover flange 11 is arranged at the end part of the valve pipe 10 and can be arranged at one end or two ends; the cover plate 15, the partition plate 14 and the plugging piece 13 are sequentially arranged on the support frame 12, the outer edge of the cover plate 15 is movably attached to the inner wall of the small-diameter part of the valve pipe 10, and the partition plate 14 is tightly attached to the inner wall of the large-diameter part of the valve pipe 10; the baffle 14 is provided with a diversion hole 141, the blocking piece 13 is movably arranged on the support frame 12, and the blocking piece 13 is movably blocked in the diversion hole 141; a spring 16 is arranged on the cover plate 15 and the partition plate 14, and the spring 16 is propped against the cover plate 15 and the partition plate 14; the cover plate 15 is propped against the end part of the valve right end pipe 22; a further spring 16 is arranged between the partition 14 and the blocking piece 13, which spring serves to tension the blocking piece 13 to block in the flow-guiding opening 141; the support frame 12 is provided with a center shaft 120, a connecting body 121 and a threaded installation part, the center shaft 120 is connected to the threaded installation part of the support frame 12 through the connecting body 121, and the threaded installation part of the support frame 12 is fixed with the valve pipe 10 in a threaded manner; a lock nut 17 is arranged at the end part of the middle shaft 120; the plugging piece 13 comprises a middle plate 130, a connecting frame 131 and a plugging cap 132, wherein the plugging cap 132 is arranged on the middle plate 130 through the connecting frame 131, the plugging cap 132 is used for plugging a diversion hole 141, the middle plate 130 is provided with a plugging piece mounting hole, and the plugging piece mounting hole is used for being mounted on the middle shaft 120; wherein, the blocking cap 132 is of an arc bowl mouth structure, which is convenient for fluid to push the arc bowl mouth structure to push the whole blocking piece 13 to be separated from the diversion hole 141 of the partition board; the reverse bowl structure makes it easier for the fluid to push the blocking piece 13 to block the diversion hole 141; wherein, the partition 14 is further provided with a partition middle hole 140, the partition middle hole 140 is used for penetrating through the middle shaft 120, and a sealing structural member is arranged between the partition middle hole 140 and the middle shaft 120 to play a sealing role; wherein, the cover plate 15 is provided with a cover plate middle hole 151, the cover plate middle hole 151 is used for penetrating through the middle shaft 120, and a sealing structural member is arranged between the cover plate middle hole 151 and the middle shaft 120 to play a sealing role; wherein, the cover plate 15 is provided with a sealing ring 150, the sealing ring 150 is sleeved with a sealing ring pad, the sealing ring pad is propped against the right end pipe of the valve to play a sealing role, and the sealing ring is arranged to prevent the sealing pad from falling off the cover plate; wherein, the diversion holes 141 are equally arranged on the partition plate 14, the blocking caps 132 are equally arranged on the circumference of the middle plate 130, and the diversion holes 141 and the blocking caps 132 are in four groups or three groups of structures; the fluid is ensured to pass through, and the non-return effect can be improved;
the combined valve realizes the effects of interception and non-return, the interception part adopts a notched conical structure, the sealing effect of the valve core and the valve body is improved, the sealing reliability is improved, the interception valve structure effectively reduces friction loss, ensures the long-term durability of interception sealing, has a simple structure, is convenient to maintain by adopting a unitized structure, and reduces the maintenance cost by replacing elements after unit modularization.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. An improved generation combination formula valve body, its characterized in that: the valve comprises a check structure, a valve assembly and a valve handle, wherein the check structure is fixedly connected to the fluid output end of the valve assembly, a lower valve port, a valve core and an upper end sealing seat are arranged in the valve assembly, the valve core is in a conical structure, a conical small end of the valve core forms a two-half valve plate structure through a notch, and a conical large end of the valve core is detachably fixed in the upper end sealing seat of the valve assembly; the valve handle is provided with a cone part, the cone part is arranged in a cone structure of the valve core, and two half valve plate structures which can prop open the notch are propped against the inner wall of the lower valve port; a sealing nut is arranged at the lower valve port; an inner sealing piece and an end cover are further arranged on the upper end sealing seat of the valve assembly, and the valve handle penetrates through the inner sealing piece and the end cover; the inner sealing piece is arranged on the inner side of the upper end sealing seat; the end cover is arranged at the top end of the upper end sealing seat; the inner sealing piece plays a sealing role, and the end cover plays a sealing and supporting role; the valve handle comprises a handle part for rotation and a straight rod part connected between the handle part and the cone part, a thread structure is arranged on the straight rod part, and the straight rod part is arranged on the end cover and/or the inner sealing piece in a threaded connection mode; the valve core further comprises a cylindrical part installation part, the cylindrical installation part is arranged on one side of the conical large end, a positioning block is arranged outside the cylindrical installation part, the positioning block is embedded in the upper end sealing seat, and a sealing gasket is further arranged between the cylindrical installation part and the valve core.
2. The improved combination valve body of claim 1, wherein: the valve assembly further comprises a valve left end pipe and a valve right end pipe, and the pipe end of the valve right end is propped against the inlet end of the check structure.
3. The improved combination valve body of claim 2, wherein: the check structure comprises a valve pipe, an end cover flange, a supporting frame, a plugging piece, a baffle plate and a cover plate; the valve tube is of a stepped tube structure; the valve pipe is fixedly connected to a valve right end pipe on the valve component through threads; the support frame is arranged in the valve pipe in a threaded manner, and the end cover flange is arranged at the end part of the valve pipe and can be arranged at one end or two ends; the cover plate, the partition plate and the plugging piece are sequentially arranged on the support frame, the outer edge of the cover plate is movably attached to the inner wall of the small-diameter part of the valve pipe, and the partition plate is tightly attached to the inner wall of the large-diameter part of the valve pipe; the baffle is provided with a diversion hole, the blocking piece is movably arranged on the support frame, and the blocking piece is movably blocked in the diversion hole; a spring is arranged between the cover plate and the partition plate and is propped against the cover plate and the partition plate; the cover plate is propped against the end part of the right end of the valve; another spring is arranged between the baffle plate and the blocking piece and is used for tensioning the blocking piece to block in the diversion hole.
4. An improved combination valve body as claimed in claim 3, wherein: the support frame is provided with a central shaft, a connecting body and a threaded mounting part, the central shaft is connected to the threaded mounting part of the support frame through the connecting body, and the threaded mounting part of the support frame is fixed with the valve pipe in a threaded manner; a lock nut is arranged at the end part of the middle shaft.
5. The improved combination valve body of claim 4, wherein: the plugging piece comprises a middle plate, a connecting frame and a plugging cap, the plugging cap is arranged on the middle plate through the connecting frame and is used for plugging the diversion hole, the middle plate is provided with a plugging piece mounting hole, and the plugging piece mounting hole is used for being mounted on the center shaft; the blocking cap is of a semicircular structure.
6. The improved combination valve body of claim 5, wherein: and a middle baffle hole is also formed in the baffle plate and used for penetrating through the center shaft, and a sealing structural member is arranged between the middle baffle hole and the center shaft.
7. The improved combination valve body of claim 6, wherein: the cover plate is provided with a cover plate middle hole which is used for penetrating through the center shaft, and a sealing structural member is arranged between the cover plate middle hole and the center shaft; the cover plate is provided with a sealing ring, the sealing ring is sleeved with a sealing ring pad, and the sealing ring pad is propped against the right end pipe of the valve.
8. The improved combination valve body of claim 7, wherein: the diversion holes are equally arranged on the partition plate, the blocking caps are equally arranged on the circumference of the middle plate, and the diversion holes and the blocking caps are in four groups or three groups of structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185768.0A CN107816559B (en) | 2017-11-23 | 2017-11-23 | Improved combined valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185768.0A CN107816559B (en) | 2017-11-23 | 2017-11-23 | Improved combined valve body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107816559A CN107816559A (en) | 2018-03-20 |
| CN107816559B true CN107816559B (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711185768.0A Active CN107816559B (en) | 2017-11-23 | 2017-11-23 | Improved combined valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107816559B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519630B (en) * | 2018-12-19 | 2023-12-05 | 浙江嘉达机械制造有限公司 | Tee pipe fitting |
| CN112664656B (en) * | 2020-11-23 | 2023-09-19 | 任县双雄密封件有限公司 | Control valve with double sealing structure |
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| JP2015148275A (en) * | 2014-02-06 | 2015-08-20 | 川澄化学工業株式会社 | check valve |
| CN207728923U (en) * | 2017-11-24 | 2018-08-14 | 天津卡尔斯阀门股份有限公司 | A kind of modified combined valve body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH414288A (en) * | 1963-06-25 | 1966-05-31 | Babcock & Wilcox Dampfkessel | Gate valve with movable sealing rings |
| GB1584835A (en) * | 1976-08-17 | 1981-02-18 | Rockwell International Corp | Double disc gate valve with replaceable spacer ring |
| WO1990010810A1 (en) * | 1989-03-09 | 1990-09-20 | Grosset Jean Michel | Through valves with rubber bushing and hemispheric seal |
| EP0451392A1 (en) * | 1990-04-11 | 1991-10-16 | Nomix-Chipman Limited | Metering valves |
| JPH08135810A (en) * | 1994-11-08 | 1996-05-31 | Kubota Corp | Gate valve |
| CN2533349Y (en) * | 2002-04-04 | 2003-01-29 | 钊洪智 | Expansion gate valve |
| CN1651810A (en) * | 2004-02-02 | 2005-08-10 | 李扬 | Plate type flexible sealing valve |
| CN202545854U (en) * | 2012-03-21 | 2012-11-21 | 于集川 | Wedge type expansion rubber-lined two-side totally-sealed gate valve welded by tubes and plates and driven by bevel gear wheel |
| JP2015148275A (en) * | 2014-02-06 | 2015-08-20 | 川澄化学工業株式会社 | check valve |
| CN103883751A (en) * | 2014-04-09 | 2014-06-25 | 金首广 | Three-linkage expansion-type gate valve |
| CN204253950U (en) * | 2014-10-23 | 2015-04-08 | 天津市国威给排水设备制造有限公司 | A kind of leakage-proof backflow-proof valve |
| CN104676028A (en) * | 2015-02-09 | 2015-06-03 | 上海飞球阀门有限公司 | Valve core structure of uploading type welding flat gate valve |
| CN207728923U (en) * | 2017-11-24 | 2018-08-14 | 天津卡尔斯阀门股份有限公司 | A kind of modified combined valve body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107816559A (en) | 2018-03-20 |
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Address after: 301802 No. 3 Road, nine yuan industrial park, Da Bai street, Baodi District, Tianjin Applicant after: TIANJIN KRS VALVE Co.,Ltd. Address before: 301802 No. three road, nine yuan industrial park, Baodi District, Tianjin. Applicant before: TIANJIN K.R.S VALVE Co.,Ltd. |
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