CN113606362B - Pneumatic disc valve for polycrystalline silicon - Google Patents
Pneumatic disc valve for polycrystalline silicon Download PDFInfo
- Publication number
- CN113606362B CN113606362B CN202110904823.7A CN202110904823A CN113606362B CN 113606362 B CN113606362 B CN 113606362B CN 202110904823 A CN202110904823 A CN 202110904823A CN 113606362 B CN113606362 B CN 113606362B
- Authority
- CN
- China
- Prior art keywords
- pipe
- sealing
- fixedly connected
- ring
- disc
- 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.)
- Active
Links
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 76
- 230000003416 augmentation Effects 0.000 claims description 4
- 229920005591 polysilicon Polymers 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention relates to the field of valves, in particular to a pneumatic disc valve for polycrystalline silicon. The disc valve comprises a pipeline, wherein the pipeline comprises a connecting pipe which is convenient to disassemble and assemble on other pipe bodies and a sealing disc which is convenient to disassemble and assemble on the connecting pipe and is used for opening and closing the edge end of the connecting pipe, and the sealing disc can generate the 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 with the inner ring of the connecting pipe, and a square pipe fixedly connected with the sealing disc; the sealing ring is 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 that can be convenient for dismantle the sealing disk alone and be convenient for change.
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 valve which can be opened and closed quickly by moving the disc, and is designed for materials with abrasion and erosion, and can continuously and normally work for a long time under severe working conditions. The novel double-seat disc valve with the publication number of 205978651U consists of 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 the valve body and the common disc valve are provided with only one passage, and the disc is not convenient to detach alone, so that maintenance and replacement are difficult.
Disclosure of Invention
The invention provides a pneumatic disc valve for polysilicon, which aims to facilitate the independent disassembly and replacement of a sealing disc.
The above object is achieved by the following technical scheme:
the utility model provides a dish valve for pneumatic polycrystalline silicon, includes the pipeline, the pipeline is including the connecting pipe of dismouting of being convenient for on other body to and be convenient for the dismouting on the connecting pipe and be used for opening and closing the sealing disk of connecting pipe limit, the sealing disk can produce through pneumatic conduction opening and the action of closure.
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 with the inner ring of the connecting pipe, and a square pipe fixedly connected with the sealing disc; the sealing ring is 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 a sealing ring, and the diameter of the inner ring of the sealing ring is smaller than that of the ring groove.
The sealing disc is provided with an integrally connected ring part at one side close to the flange, and the ring part is attached to the end face of one side close to the flange, which is close to the sealing ring.
Drawings
FIG. 1 shows a pipeline;
FIG. 2 shows the overall structure;
FIG. 3 shows an overall cross-sectional configuration;
FIG. 4 shows the overall internal structure;
FIG. 5 shows a longitudinal tube;
FIG. 6 shows an upper cover;
FIG. 7 shows a cylinder, cylinder frame and motor mount;
FIG. 8 shows a link, an execution trace block, and an execution bar;
FIG. 9 shows a drive track block, stator, spindle, eccentric and connecting rod;
fig. 10 is a cross-sectional view of the structure shown in fig. 9.
Detailed Description
The pipeline is connected to other pipe bodies through the connecting pipe 41, so that convenient disassembly and assembly and overall replacement are realized. As shown in fig. 1, a flange is integrally connected to the left end of the connection pipe 41, and the flange is used for facilitating disassembly and replacement. The sealing disk 44 is provided at the left end of the connection pipe 41 in order to facilitate maintenance and replacement of the sealing disk 44 near the side end of the connection pipe 41 when the connection pipe 41 is detached. The sealing disc 44 can move left and right through pneumatic adjustment, and can also transmit the movement of the air cylinder to the sealing disc 44 through a transmission member by directly pushing and transmitting the movement of the air cylinder through the air cylinder, and when the sealing disc 44 is separated from the left end of the connecting pipe 41 from the left side, the sealing disc is opened, and the sealing is realized when the sealing disc enters the connecting pipe 41.
The annular groove is arranged on the inner ring at the left end of the connecting pipe 41 for placing the sealing ring 42, when the inner diameter of the sealing ring 42 is smaller than that of the connecting pipe 41, the sealing ring 42 can be opened only by separating the sealing disc 44 from the sealing ring 42, the outer ring of the sealing disc 44 is closed when the outer ring of the sealing disc 44 is attached to the inner ring of the sealing ring 42, when the sealing disc 44 is pushed into the sealing ring 42, the material hung on the matching part can be pushed away, further, the ring part can be integrally connected with the left end of the sealing ring 42, the ring part can be made of flexible material and used for attaching the left end of the sealing ring 42 to enhance the sealing effect, and when abrasion exists, the sealing ring 42 or the sealing disc 44 can be replaced.
As shown in fig. 1 to 5, the disc valve further comprises a longitudinal pipe 11, a transverse pipe 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 with the upper end of the longitudinal pipe 11 through a flange and a bolt and nut assembly; the left and right mirror symmetry of the pipeline is provided with two flanges which are respectively detachably connected with the outer ends of the two transverse pipes 12 through bolt and nut assemblies, wherein the outer ends are positioned on the right side of the right transverse pipe 12 and on the left side of the left transverse pipe 12, and then the lower part of the longitudinal pipe 11 can be a feed inlet, and the transverse pipe 12 is a discharge outlet, so that three-way conduction is realized.
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 tube 62, wherein 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, the movable end of the air cylinder 31 passes through the air cylinder frame 32 from top to bottom, the motor base 33 is fixedly connected to the movable end of the air cylinder 31, the fixed tube 62 is fixedly connected to the lower end of the motor base 33, the fixed tube 62 is slidably connected to the upper cover 21, the driving track block 61 is fixedly connected to the lower end of the fixed tube 62, chamfer faces i are respectively arranged at the left and right ends of the lower end of the driving track block 61, the inner ends of two sealing discs 44 positioned at the left and right sides are respectively fixedly connected with a connecting frame 51, the inner ends of two connecting frames 51 are respectively fixedly connected with an execution track block 52, the inner ends of the upper ends of the two execution track blocks 52 are respectively provided with chamfer faces ii, and the chamfer faces i can be respectively bonded with the chamfer faces ii; the pipeline further comprises a return spring 46, the return spring 46 is in a compressed state and sleeved on the square pipe 45, and two ends of the return spring 46 are respectively contacted with the corresponding connecting plate 43 and the corresponding sealing disc 44. Referring to fig. 2, when the air cylinder 31 is started to drive the fixed tube 62 to descend, the fixed tube 62 drives the driving track block 61 to descend, the driving track block 61 presses down the two execution track blocks 52, the two execution track blocks 52 move outwards, the two sealing discs 44 located at the left side and the right side move outwards, the two sealing discs 44 located at the two sides enter the two sealing rings 42 respectively to achieve closing, when the air cylinder 31 drives the fixed tube 62 to ascend, the driving track block 61 is separated from the two execution track blocks 52, the two sealing discs 44 located at the left side and the right side achieve resetting through the two reset springs 46, and the two sealing discs 44 move inwards to separate from the two sealing rings 42 to achieve opening.
The lower end of the vertical pipe 11 is also provided with three pipelines, the connection mode of the pipeline positioned at the lower side and the vertical pipe 11 is the same as the connection mode of other pipelines and the horizontal pipe 12, and the pipelines 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 when the driving track block 61 descends to close the passages at 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 paths are simultaneously closed, and when the driving track block 61 ascends, three paths are simultaneously opened.
As shown in fig. 8 to 10, the disc valve further includes an actuating lever 53, a rotating shaft 63, an eccentric wheel 64 and a gear motor 7, the lower ends of the two actuating track blocks 52 are fixedly connected with the actuating lever 53 respectively, the rotating shaft 63 is rotatably connected in the driving track block 61 and the fixed tube 62, the upper end of the rotating shaft 63 is fixedly connected with the output shaft of the gear motor 7, the gear motor 7 is mounted on the motor base 33, the eccentric wheel 64 is fixedly connected at the lower side of the rotating shaft 63, the lower end of the rotating shaft 63 is rotatably connected at the upper end of the sealing disc 44 to enhance stability, when the gear motor 7 drives the rotating shaft 63 to rotate, the rotating shaft 63 drives the eccentric wheel 64 to rotate, the eccentric wheel 64 rotates for one circle to stir each rotating side of the two actuating levers 53, so that when three paths are opened, the eccentric wheel 64 is utilized to independently push one actuating lever 53 to move outwards, the actuating lever 53 drives the connecting frame 51 and the actuating track block 52 to move outwards to push the sealing disc 44 in the direction to the sealing disc 42 to close to realize one-off double opening. The stability augmentation rod 22 is fixedly connected to the upper cover 21, and the motor base 33 is slidably connected to the stability augmentation rod 22 to increase stability.
Claims (4)
1. A disc valve for pneumatic polysilicon, comprising a pipeline, wherein the pipeline comprises a connecting pipe (41) which is convenient to be assembled and disassembled on other pipe bodies, and a sealing disc (44) which is convenient to be assembled and disassembled 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 the opening and closing actions through pneumatic conduction;
the device also comprises a longitudinal pipe (11), a transverse pipe (12) integrally connected with the left end and the right end of the longitudinal pipe (11), and an upper cover (21) detachably connected with the upper end of the longitudinal pipe (11); the outer ends of the two transverse pipes (12) are respectively detachably connected with a connecting pipe (41), the two connecting pipes (41) positioned at the outer ends of the two transverse pipes (12) are arranged in a mirror symmetry mode, and the pipeline also comprises flanges which are arranged close to the sealing disc (44) and are positioned at the edge ends of the connecting pipes (41); the transverse pipe (12) is connected with the corresponding flange through a bolt and nut assembly;
the device also comprises an air cylinder frame (32) fixedly connected to the upper cover (21), an air cylinder (31) fixedly connected to the air cylinder frame (32), a motor base (33) fixedly connected to the movable end of the air cylinder (31), a fixed pipe (62) fixedly connected to the lower end of the motor base (33), and a driving track block (61) fixedly connected to the lower end of the fixed pipe (62); the fixed pipe (62) is connected with the upper cover (21) in a sliding way;
the pipeline also 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) fixedly connected with the inner ring of the connecting pipe (41), and a square pipe (45) fixedly connected with the sealing disc (44); wherein the sealing ring (42) is detachably and fixedly connected to the inner ring of the connecting pipe (41), the inner diameter of the sealing ring (42) is smaller than that of the connecting pipe (41), and the square pipe (45) is connected to the connecting plate (43) in a sliding manner;
wherein, the inner ends of the two sealing discs (44) are respectively fixedly connected with a connecting frame (51), and the inner ends of the two connecting frames (51) are respectively fixedly connected with an execution track block (52); the driving track blocks (61) can be attached to the two execution track blocks (52) by descending and push the two execution track blocks (52) to move outwards;
the pipeline further comprises a return spring (46) sleeved on the square pipe (45), and two ends of the return spring (46) are respectively contacted with the corresponding connecting plate (43) and the corresponding sealing disc (44);
the device also comprises a connecting pipe (41) which is detachably connected with the lower end of the longitudinal pipe (11), and a connecting rod (65) with two ends fixedly connected with the driving track block (61) and the sealing disk (44) positioned below, wherein the three sealing disks (44) can simultaneously open and close the three connecting pipes (41) respectively;
the device further comprises an execution rod (53) fixedly connected to the lower ends of the two execution track blocks (52) respectively, a rotating shaft (63) rotationally connected with and penetrating through the driving track blocks (61) and the fixed tube (62), an eccentric wheel (64) fixedly connected to the lower side of the rotating shaft (63), and a gear motor (7) mounted on the motor base (33), wherein an output shaft of the gear motor (7) is fixedly connected with the rotating shaft (63), and each circle of rotation of the eccentric wheel (64) can respectively push the two execution rods (53) to move outwards once.
2. Disc valve according to claim 1, wherein the inner ring of the connecting tube (41) is provided with a ring groove for a sealing ring (42) to rest, the inner ring diameter of the sealing ring (42) being smaller than the ring groove diameter.
3. Disc valve according to claim 2, wherein the sealing disc (44) is provided with an integrally connected ring portion on the side close to the flange, which ring portion is in abutment with the sealing ring (42) on the side face close to the flange.
4. The disc valve according to claim 1, further comprising a stability augmentation rod (22) fixedly connected to the upper end of the upper cover (21), wherein the motor base (33) is slidably connected to the stability augmentation 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 CN113606362A (en) | 2021-11-05 |
| CN113606362B true CN113606362B (en) | 2023-12-08 |
Family
ID=78339820
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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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 |
-
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113606362A (en) | 2021-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113606362B (en) | Pneumatic disc valve for polycrystalline silicon | |
| JPS623344B2 (en) | ||
| CN109838611B (en) | Double-piston type feedback cylinder with manual valve | |
| CN101358655B (en) | Rectangular isolation wind valve with safety position | |
| CN202691105U (en) | Open-hole valve plate type pneumatic wear-resistant double-gate valve | |
| CN201288846Y (en) | M-shaped pneumatic straight-through diaphragm valve | |
| CN2077064U (en) | Fast shearing-off sluice valve | |
| CN210770278U (en) | Double-seat butterfly valve | |
| CN210240729U (en) | Sliding gate valve | |
| CN104279357B (en) | A kind of side dress linkage three-way switch valve | |
| CN208185557U (en) | Pneumatic chlorine forged steel check valve | |
| CN2463626Y (en) | Double-piston switching valve | |
| CN100363660C (en) | Portable double-sealing rotating cutting valve | |
| CN208024854U (en) | Pneumatic chlorine cast steel stop valve | |
| CN2738052Y (en) | Fixed ball valve | |
| CN213744926U (en) | Novel sealed zero-leakage poppet valve | |
| CN219953292U (en) | Wellhead sealing device convenient to disassemble and assemble | |
| CN211145460U (en) | Pneumatic three-way switching valve | |
| CN219570885U (en) | Horizontal manual flange butterfly valve | |
| CN220186000U (en) | Pneumatic film regulating valve | |
| CN216843131U (en) | Cage type single-seat regulating valve | |
| CN214305320U (en) | Fire control butterfly valve that flow control can carry out | |
| CN215487711U (en) | Flange butterfly valve | |
| CN220581794U (en) | Miniaturized motorised valve | |
| CN212839452U (en) | Pneumatic antibiotic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |