CN113606362A - Pneumatic disc valve for polycrystalline silicon - Google Patents
Pneumatic disc valve for polycrystalline silicon Download PDFInfo
- Publication number
- CN113606362A CN113606362A CN202110904823.7A CN202110904823A CN113606362A CN 113606362 A CN113606362 A CN 113606362A CN 202110904823 A CN202110904823 A CN 202110904823A CN 113606362 A CN113606362 A CN 113606362A
- Authority
- CN
- China
- Prior art keywords
- sealing
- pipe
- fixedly connected
- disc
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 61
- 230000000087 stabilizing effect Effects 0.000 claims 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/14—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle
- F16K11/16—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle which only slides, or only turns, or only swings in one plane
- F16K11/163—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle which only slides, or only turns, or only swings in one plane only turns
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
-
- 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
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
Abstract
The invention relates to the field of valves, in particular to a pneumatic disc valve for polycrystalline silicon. The disk valve comprises a pipeline, wherein the pipeline comprises a connecting pipe convenient to disassemble and assemble on other pipe bodies, and a sealing disk convenient to disassemble and assemble on the connecting pipe and used for opening and closing the edge end of the connecting pipe, and the sealing disk can generate opening and closing actions through pneumatic conduction. The pipeline also comprises a flange which is arranged close to the sealing disc and is arranged at the edge end of the connecting pipe. The pipeline also comprises a sealing ring which is matched with the outer ring of the sealing disc to realize the opening and closing, a connecting plate fixedly connected to the inner ring of the connecting pipe, and a square pipe fixedly connected to the sealing disc; the sealing ring can be detachably and fixedly connected to the inner ring of the connecting pipe, the inner diameter of the sealing ring is smaller than that of the connecting pipe, and the square pipe is connected to the connecting plate in a sliding mode. The purpose is to facilitate the individual removal of the sealing discs for replacement.
Description
Technical Field
The invention relates to the field of valves, in particular to a pneumatic disc valve for polycrystalline silicon.
Background
The disc valve is a quick-opening and quick-closing valve which is opened and closed by moving a disc, and can continuously and normally work for a long time under severe working conditions aiming at materials with abrasion and erosion properties. A novel double-seat disc valve with the publication number of 205978651U comprises a valve body, a valve seat, a valve disc, a sealing gasket, a middle flange, an adjusting block, a spring seat, a valve rod and a shaft sleeve, wherein only one passage is formed between the valve body and a common disc valve, and the disc is not convenient to disassemble independently, so that the maintenance and the replacement are difficult.
Disclosure of Invention
The invention provides a pneumatic disc valve for polycrystalline silicon, and aims to facilitate the independent disassembly and replacement of a sealing disc.
The above purpose is realized by the following technical scheme:
the utility model provides a pneumatic dish valve for polycrystalline silicon, includes the pipeline, the pipeline is including the connecting pipe of easy dismouting on other bodys to and be convenient for on the connecting pipe dismouting and be used for opening and the sealed dish of closed connecting pipe limit end, sealed dish can produce through pneumatic conduction open with closed action.
The pipeline also comprises a flange which is arranged close to the sealing disc and is arranged at the edge end of the connecting pipe.
The pipeline also comprises a sealing ring which is matched with the outer ring of the sealing disc to realize the opening and closing, a connecting plate fixedly connected to the inner ring of the connecting pipe, and a square pipe fixedly connected to the sealing disc; the sealing ring can be detachably and fixedly connected to the inner ring of the connecting pipe, the inner diameter of the sealing ring is smaller than that of the connecting pipe, and the square pipe is connected to the connecting plate in a sliding mode.
The inner ring of the connecting pipe is provided with a ring groove for placing the sealing ring, and the diameter of the inner ring of the sealing ring is smaller than that of the ring groove.
Wherein the sealing disc is close to one side of the flange is provided with an integrally connected ring part, and the ring part is close to the sealing ring and is attached to one side end face of the flange.
Drawings
FIG. 1 shows a pipeline;
FIG. 2 shows the overall structure;
FIG. 3 shows an overall sectional structure;
FIG. 4 shows the overall internal structure;
FIG. 5 shows a longitudinal tube;
FIG. 6 shows the upper cover;
FIG. 7 shows a cylinder, a cylinder frame and a motor mount;
FIG. 8 shows a link carriage, an execution track block, and an execution rod;
FIG. 9 shows a drive track block, a fixed tube, a rotating shaft, an eccentric wheel and a connecting rod;
fig. 10 is a cross-sectional view of the structure shown in fig. 9.
Detailed Description
The pipeline passes through connecting pipe 41 to be connected on other bodys, realizes convenient dismouting and holistic change. As shown in fig. 1, a flange for facilitating detachment and replacement is integrally connected to a left end of the connection pipe 41. The seal disk 44 is provided at the left end of the connection pipe 41 for the purpose of facilitating maintenance and replacement of the edge end of the seal disk 44 near the connection pipe 41 when the connection pipe 41 is removed. The sealing disc 44 is pneumatically adjusted in position, can be moved left and right by directly pushing and driving through an air cylinder, and can also transmit the movement of the air cylinder to the sealing disc 44 through a driving piece, when the sealing disc 44 is separated from the left end of the connecting pipe 41 from the left side to be opened, the sealing disc is closed after entering the connecting pipe 41.
Set up the annular on the inner circle at the connecting pipe 41 left end and supply sealing washer 42 to place, when the internal diameter of sealing washer 42 is less than the internal diameter of connecting pipe 41, only need sealed dish 44 to break away from sealing washer 42 and can realize opening, realize when the outer lane of sealed dish 44 and the inner circle laminating of sealing washer 42 closed, when sealed dish 44 pushed sealing washer 42, can push away the material that the cooperation department hung, and is further, can be at the integrative connection ring portion of left end of sealing washer 42, ring portion can be used for the left end laminating reinforcing seal effect with sealing washer 42 for flexible material, when having wearing and tearing, change sealing washer 42 or sealed dish 44 can.
As shown in fig. 1 to 5, the disc valve further comprises a longitudinal pipe 11, transverse pipes 12 and an upper cover 21, wherein the left end and the right end of the longitudinal pipe 11 are respectively and integrally connected with the two transverse pipes 12, and the upper cover 21 is detachably connected to the upper end of the longitudinal pipe 11 through a flange and a bolt-nut assembly; mirror symmetry is equipped with two about the pipeline, and the flange that two pipelines included passes through bolt and nut subassembly with two outer ends of violently managing 12 respectively and can dismantle the connection, and wherein the outer end is located the right side of violently managing 12 on the right side to and be located the left side of violently managing 12 on the left side, and then can be the feed inlet with the below of vertical pipe 11, violently manage 12 and be the discharge gate, realize that the three-dimensional switches on.
As shown in fig. 1 to 10, the disc valve further includes an air cylinder 31, an air cylinder frame 32, a motor base 33, a driving track block 61 and a fixed pipe 62, the air cylinder 31 is fixedly connected to the air cylinder frame 32, the air cylinder frame 32 is fixedly connected to the upper cover 21, a movable end of the air cylinder 31 penetrates through the air cylinder frame 32 from top to bottom, the motor base 33 is fixedly connected to a movable end of the air cylinder 31, the fixed pipe 62 is fixedly connected to a lower end of the motor base 33, the fixed pipe 62 is slidably connected to the upper cover 21, the driving track block 61 is fixedly connected to a lower end of the fixed pipe 62, left and right ends of a lower end of the driving track block 61 are provided with chamfered surfaces i, inner ends of two sealing discs 44 located on left and right sides are respectively fixedly connected to one connecting frame 51, inner ends of the two connecting frames 51 are respectively fixedly connected to one executing track block 52, inner ends of upper ends of the two executing track blocks 52 are provided with chamfered surfaces ii, and the two chamfered surfaces i can be respectively attached to the two chamfered surfaces ii; the pipeline still includes reset spring 46, and reset spring 46 is compression state and suit on square pipe 45, and reset spring 46's both ends respectively with the connecting plate 43 that corresponds and the sealed dish 44 contact that corresponds. Referring to fig. 2, when the actuating cylinder 31 drives the fixed pipe 62 to descend, the fixed pipe 62 drives the driving track block 61 to descend, the driving track block 61 presses down the two executing track blocks 52, the two executing track blocks 52 move outwards, and then the two sealing discs 44 located on the left side and the right side move outwards, the sealing discs 44 on the two sides enter the two sealing rings 42 respectively to realize closing, when the actuating cylinder 31 drives the fixed pipe 62 to ascend, the driving track block 61 is separated from the two executing track blocks 52, and then the two sealing discs 44 located on the left side and the right side realize resetting through the two resetting springs 46, and the two sealing discs 44 move inwards to separate from the two sealing rings 42 to realize opening.
The lower end of the longitudinal pipe 11 is also provided with a pipeline, and then the number of pipelines is three, the connecting mode of the pipeline positioned on the lower side and the longitudinal pipe 11 is the same as that of other pipelines and the transverse pipe 12, and the pipelines and the longitudinal pipe are detachably connected, two ends of the connecting rod 65 are fixedly connected with the driving track block 61 and the sealing disc 44 positioned below respectively, and then when the driving track block 61 descends to close the passages on the left side and the right side, the sealing disc 44 positioned below is also driven to descend to enter the sealing ring 42 positioned below, three ways are simultaneously closed, and when the driving track block 61 ascends, three ways can be simultaneously opened.
As shown in fig. 8 to 10, the disk valve further includes an actuating rod 53, a rotating shaft 63, an eccentric wheel 64 and a speed reducing motor 7, the lower ends of two actuating track blocks 52 are fixedly connected with one actuating rod 53, the rotating shaft 63 is rotatably connected in a driving track block 61 and a fixed pipe 62, the upper end of the rotating shaft 63 is fixedly connected with the output shaft of the speed reducing motor 7, the speed reducing motor 7 is mounted on the motor base 33, the eccentric wheel 64 is fixedly connected to the lower side of the rotating shaft 63, the lower end of the rotating shaft 63 is rotatably connected to the upper end of the sealing disk 44 to enhance stability, when the speed reducing motor 7 drives the rotating shaft 63 to rotate, the rotating shaft 63 drives the eccentric wheel 64 to rotate, one rotation of the eccentric wheel 64 can toggle each rotating side of the two actuating rods 53, and thus when three ways are opened, one actuating rod 53 is independently pushed by the eccentric wheel 64 to move to the outside, the actuating rod 53 drives the connecting frame 51 and the actuating track block 52 in that direction to move to the outside, the sealing disk 44 in this direction is pushed into the sealing ring 42 to close, and a double opening and closing are realized. The stability-increasing rod 22 is fixedly connected on the upper cover 21, and the motor base 33 is connected on the stability-increasing rod 22 in a sliding mode to increase stability.
Claims (10)
1. A pneumatic disc valve for polycrystalline silicon comprises a pipeline, wherein the pipeline comprises a connecting pipe (41) which is convenient to disassemble and assemble on other pipe bodies, and a sealing disc (44) which is convenient to disassemble and assemble on the connecting pipe (41) and is used for opening and closing the edge end of the connecting pipe (41), and the sealing disc (44) can generate opening and closing actions through pneumatic conduction.
2. A disc valve according to claim 1, the conduit further comprising a flange provided adjacent the sealing disc (44) and at the side end of the connecting tube (41).
3. The disc valve according to claim 2, wherein the pipeline further comprises a sealing ring (42) which is matched with the outer ring of the sealing disc (44) to realize the opening and closing, a connecting plate (43) which is fixedly connected with the inner ring of the connecting pipe (41), and a square pipe (45) which is fixedly connected with the sealing disc (44); wherein sealing washer (42) can be dismantled the rigid coupling and at the inner circle of connecting pipe (41), and sealing washer (42) internal diameter is less than connecting pipe (41) internal diameter, and square pipe (45) sliding connection is on connecting plate (43).
4. A disc valve according to claim 3, wherein the inner ring of the connecting tube (41) is provided with a ring groove for the sealing ring (42) to rest on, the inner ring diameter of the sealing ring (42) being smaller than the ring groove diameter.
5. A disc valve according to claim 4 or 3, wherein the side of the sealing disc (44) adjacent the flange is provided with an integrally connected ring portion which abuts against the end face of the side of the sealing ring (42) adjacent the flange.
6. The disc valve according to claim 5, further comprising a vertical pipe (11), and horizontal pipes (12) integrally connected to left and right ends of the vertical pipe (11), and an upper cover (21) detachably connected to an upper end of the vertical pipe (11); the outer ends of the two transverse pipes (12) are respectively detachably connected with two pipelines which are arranged in mirror symmetry, and the transverse pipes (12) are connected with corresponding flanges through bolt and nut assemblies.
7. The disc valve according to claim 6, further comprising a cylinder frame (32) fixedly connected to the upper cover (21), a cylinder (31) fixedly connected to the cylinder frame (32), a motor base (33) fixedly connected to a movable end of the cylinder (31), a fixed pipe (62) fixedly connected to a lower end of the motor base (33), and a driving track block (61) fixedly connected to a lower end of the fixed pipe (62); the fixed pipe (62) is connected with the upper cover (21) in a sliding way;
wherein the inner ends of the two sealing discs (44) are fixedly connected with a connecting frame (51) respectively, and the inner ends of the two connecting frames (51) are fixedly connected with an execution track block (52) respectively; the driving track block (61) can be attached to the two execution track blocks (52) through descending and pushes the two execution track blocks (52) to move outwards;
the pipeline still includes reset spring (46) of suit on square pipe (45), the both ends of reset spring (46) respectively with connecting plate (43) and the sealed dish (44) contact that corresponds.
8. The disc valve according to claim 7, further comprising a pipe line detachably connected to the lower end of the vertical pipe (11), and a connecting rod (65) having both ends fixedly connected to the driving track block (61) and the sealing disc (44) located therebelow, respectively, the three sealing discs (44) being capable of simultaneously opening and closing the three connecting pipes (41), respectively.
9. The disc valve according to claim 8, further comprising actuating rods (53) respectively fixed at the lower ends of the two actuating track blocks (52), a rotating shaft (63) rotatably connected with and passing through the driving track block (61) and the fixed pipe (62), an eccentric wheel (64) fixed at the lower side of the rotating shaft (63), and a speed reducing motor (7) installed on the motor base (33), wherein the output shaft of the speed reducing motor (7) is fixedly connected with the rotating shaft (63), and the eccentric wheel (64) can respectively push the two actuating rods (53) to move outwards once per rotation.
10. The disc valve according to claim 9, further comprising a stabilizing rod (22) fixedly connected to the upper end of the upper cover (21), wherein the motor base (33) is slidably connected to the stabilizing rod (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110904823.7A CN113606362B (en) | 2021-08-07 | 2021-08-07 | Pneumatic disc valve for polycrystalline silicon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110904823.7A CN113606362B (en) | 2021-08-07 | 2021-08-07 | Pneumatic disc valve for polycrystalline silicon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113606362A true CN113606362A (en) | 2021-11-05 |
| CN113606362B CN113606362B (en) | 2023-12-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110904823.7A Active CN113606362B (en) | 2021-08-07 | 2021-08-07 | Pneumatic disc valve for polycrystalline silicon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113606362B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116335586A (en) * | 2023-03-16 | 2023-06-27 | 江苏苏盐阀门机械有限公司 | Two-way oil production well valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE693630C (en) * | 1937-10-31 | 1940-07-16 | Josef Dibutsch | Shut-off or distribution element with spring-loaded valves |
| EP0848194A2 (en) * | 1996-12-12 | 1998-06-17 | Andreas Weissenbacher | Three-way valve |
| KR100902259B1 (en) * | 2009-01-16 | 2009-06-11 | 김방현 | Sliding disc valve |
| CN201934712U (en) * | 2011-02-22 | 2011-08-17 | 上海熊猫机械(集团)有限公司 | Low-resistance three-way valve |
| CN201973335U (en) * | 2011-03-28 | 2011-09-14 | 江苏大信环境科技有限公司 | Switch control device and three-way valve using the same |
| JP2013044415A (en) * | 2011-08-25 | 2013-03-04 | Fuji Koki Corp | Flow path switching valve |
| JP5872207B2 (en) * | 2011-08-25 | 2016-03-01 | 株式会社不二工機 | Flow path switching valve |
| CN206988221U (en) * | 2017-07-24 | 2018-02-09 | 新乡市菲尔森净化设备有限公司 | double-cylinder filter switching valve |
| CN108167479A (en) * | 2017-12-08 | 2018-06-15 | 长沙德科投资管理咨询有限公司 | A kind of linked switch triplet type valve |
| CN109611581A (en) * | 2019-01-01 | 2019-04-12 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of fluid is selected to device |
| CN210566372U (en) * | 2019-10-13 | 2020-05-19 | 福建福思特阀门集团有限公司 | Environment-friendly corrosion-resistant hard sealing seat sealing gate valve |
| CN111306308A (en) * | 2020-03-13 | 2020-06-19 | 浙江康瑞阀门有限公司 | High-sealing valve and processing equipment thereof |
-
2021
- 2021-08-07 CN CN202110904823.7A patent/CN113606362B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE693630C (en) * | 1937-10-31 | 1940-07-16 | Josef Dibutsch | Shut-off or distribution element with spring-loaded valves |
| EP0848194A2 (en) * | 1996-12-12 | 1998-06-17 | Andreas Weissenbacher | Three-way valve |
| KR100902259B1 (en) * | 2009-01-16 | 2009-06-11 | 김방현 | Sliding disc valve |
| CN201934712U (en) * | 2011-02-22 | 2011-08-17 | 上海熊猫机械(集团)有限公司 | Low-resistance three-way valve |
| CN201973335U (en) * | 2011-03-28 | 2011-09-14 | 江苏大信环境科技有限公司 | Switch control device and three-way valve using the same |
| JP2013044415A (en) * | 2011-08-25 | 2013-03-04 | Fuji Koki Corp | Flow path switching valve |
| JP5872207B2 (en) * | 2011-08-25 | 2016-03-01 | 株式会社不二工機 | Flow path switching valve |
| CN206988221U (en) * | 2017-07-24 | 2018-02-09 | 新乡市菲尔森净化设备有限公司 | double-cylinder filter switching valve |
| CN108167479A (en) * | 2017-12-08 | 2018-06-15 | 长沙德科投资管理咨询有限公司 | A kind of linked switch triplet type valve |
| CN109611581A (en) * | 2019-01-01 | 2019-04-12 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of fluid is selected to device |
| CN210566372U (en) * | 2019-10-13 | 2020-05-19 | 福建福思特阀门集团有限公司 | Environment-friendly corrosion-resistant hard sealing seat sealing gate valve |
| CN111306308A (en) * | 2020-03-13 | 2020-06-19 | 浙江康瑞阀门有限公司 | High-sealing valve and processing equipment thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116335586A (en) * | 2023-03-16 | 2023-06-27 | 江苏苏盐阀门机械有限公司 | Two-way oil production well valve |
| CN116335586B (en) * | 2023-03-16 | 2024-03-29 | 江苏苏盐阀门机械有限公司 | Two-way oil production well valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113606362B (en) | 2023-12-08 |
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