CN111692356B - Anti-blocking open-type gate valve - Google Patents

Anti-blocking open-type gate valve Download PDF

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Publication number
CN111692356B
CN111692356B CN202010569474.3A CN202010569474A CN111692356B CN 111692356 B CN111692356 B CN 111692356B CN 202010569474 A CN202010569474 A CN 202010569474A CN 111692356 B CN111692356 B CN 111692356B
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CN
China
Prior art keywords
valve
rotating shaft
type gate
valve body
valve plate
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
Application number
CN202010569474.3A
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Chinese (zh)
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CN111692356A (en
Inventor
项天津
吴明祥
秦小明
朱阳
章宇炫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Zhonghou Valve Group Co ltd
Original Assignee
Zhejiang Zhonghou Valve Group Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Zhonghou Valve Group Co ltd filed Critical Zhejiang Zhonghou Valve Group Co ltd
Priority to CN202010569474.3A priority Critical patent/CN111692356B/en
Publication of CN111692356A publication Critical patent/CN111692356A/en
Application granted granted Critical
Publication of CN111692356B publication Critical patent/CN111692356B/en
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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning 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
    • 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
    • F16K3/0254—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 being operated by particular 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
    • 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
    • F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve 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
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
    • 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
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

The invention discloses an anti-blocking open-type gate valve which comprises a valve body, wherein a valve seat is arranged at the bottom of the valve body, a movable valve plate for realizing the on-off of the valve body is arranged in the valve body, and a fixing block is fixedly connected to one side, close to the top, of the valve plate. In the invention, the valve plate is driven to move back and forth in the valve body through the driving piece so as to realize the opening and closing of the valve body, the first rack and the valve are synchronously moved through the connection action of the fixed block and the threaded rod, and further, the rotating of the hairbrush is realized under the action of a transmission system consisting of the first gear, the first rotating shaft, the bevel gear and the second rotating shaft, the rotating hairbrush is contacted with the surface of the valve plate which moves relatively, so that sundries on the surface of the valve plate are cleaned, the sealing effect and the service life of the open-type gate valve are prevented from being influenced by excessive sundries accumulation, meanwhile, the driving piece of the open-type gate valve is utilized to realize the movement of the transmission system, the use of other electric driving devices is reduced, the resources are saved, and the use cost is reduced.

Description

Anti-blocking open-type gate valve
Technical Field
The invention relates to the technical field of gate valves, in particular to an anti-blocking open-type gate valve.
Background
The gate valve is also called a manual knife gate valve, the knife gate valve is a valve with a valve plate and a valve body which are always in close contact and sealed, the principle is that a round opening with the size of the drift diameter is formed in the valve plate, the round opening in the valve plate is completely separated from and matched with the drift diameter through opening and closing of the valve plate, and when the gate valve is opened, the gate valve which takes nitrile rubber as a raw material has the characteristics of good rigidity and compact structure.
During the closing and opening processes, the valve seat and the valve plate move closely all the time, so that the valve is stable in opening and closing force, and has the characteristics of cutting off media and the like.
Disclosure of Invention
The invention aims to solve the problems and provides an anti-blocking open-type gate valve.
In order to achieve the purpose, the invention adopts the following technical scheme:
an anti-blocking open-type gate valve comprises a valve body, wherein a valve seat is arranged at the bottom of the valve body, a movable valve plate for realizing the on-off of the valve body is arranged in the valve body, a driving piece for driving the valve plate to move is arranged at the top of the valve body, one side, close to the top, of the valve plate is fixedly connected with a fixed block, threaded rods are rotatably arranged at two ends of the fixed block through bearings, first racks are sleeved at the outer sides of the threaded rods at two sides, an adjusting box is detachably connected to one side of the valve seat, a sliding groove is formed in the top of the adjusting box, sliding blocks which are symmetrically arranged and have adaptive size and height are slidably connected in the sliding groove, a first rotating shaft is rotatably connected at the top of the sliding blocks and is fixedly connected with a fixed rod, a first gear meshed with the first racks is sleeved at the top of the first rotating shaft, a second rotating shaft is penetrated and connected with the fixed rod in the horizontal direction, and a plurality of mutually meshed transmission bevel gears which are arranged in a matched manner are sleeved on the first rotating shaft and the second rotating shaft, the other end of the second rotating shaft is connected with a hairbrush which is in contact with the surface of the valve plate.
As a further description of the above technical solution:
the outer surface wall of the second rotating shaft is elastically connected with the inner surface wall of the support of the brush through a spring.
As a further description of the above technical solution:
the first rack is connected with the threaded rod in a screwing mode through threads.
As a further description of the above technical solution:
the outer surface walls of the two opposite sides of the sliding block are respectively and fixedly connected with second racks which are symmetrical up and down, the inner surface walls of the two sides of the adjusting box are rotatably provided with a rotating rod through a bearing, and the rotating rod is sleeved with a second gear which is in meshing transmission connection with the two second racks.
As a further description of the above technical solution:
the second racks extend through the sliders opposite thereto, respectively.
As a further description of the above technical solution:
the extension end of bull stick outside closes through the screw thread and is connected with the limiting plate soon, it has the spacer pin to run through on the limiting plate, the extension end of spacer pin runs through the regulating box.
As a further description of the above technical solution:
the bottom of the sliding block is provided with a roller which is in rolling contact with the inner surface wall of the bottom of the adjusting box.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, the valve plate is driven to move back and forth in the valve body through the driving piece so as to realize the opening and closing of the valve body, the first rack and the valve are synchronously moved through the connection action of the fixed block and the threaded rod, and further, the rotating of the hairbrush is realized under the action of a transmission system consisting of the first gear, the first rotating shaft, the bevel gear and the second rotating shaft, the rotating hairbrush is contacted with the surface of the valve plate which moves relatively, so that sundries on the surface of the valve plate are cleaned, the sealing effect and the service life of the open-type gate valve are prevented from being influenced by excessive sundries accumulation, meanwhile, the driving piece of the open-type gate valve is utilized to realize the movement of the transmission system, the use of other electric driving devices is reduced, the resources are saved, and the use cost is reduced.
2. According to the invention, under the matching action of the rotating rod, the second gear, the second rack and the sliding block in the adjusting box, the distance between the hairbrushes at two ends can be adjusted, so that the hairbrushes are always in contact with the surface of the valve plate, the cleaning effect of the hairbrushes on the valve plate is ensured, in addition, the adjusting box can be disassembled and installed on other open-type gate valves to be matched with the valve plates with different thicknesses for use, and the practicability of the device is improved.
3. According to the invention, the position of the first rack is adjusted through the rotation of the threaded rod according to the thread transmission principle, so that the first rack can be always meshed with the first gear in a transmission manner, and the working continuity of a transmission system for driving the brush to rotate is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic top view taken from A-A of the present invention;
FIG. 4 is a schematic side view at B-B of the present invention;
fig. 5 is a schematic structural view of a joint of the fixing rod and the second rotating shaft in the present invention.
Illustration of the drawings:
1. a valve body; 2. a valve plate; 3. a drive member; 4. a threaded rod; 5. a first rack; 6. a fixed block; 7. a valve seat; 8. a first gear; 9. a first rotating shaft; 10. a bevel gear; 11. a second rotating shaft; 12. a fixing rod; 13. a brush; 14. a slider; 15. a chute; 16. an adjusting box; 17. a second rack; 18. a second gear; 19. a rotating rod; 20. a roller; 21. a limit pin; 22. a limiting plate; 23. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-5, an anti-blocking open-type gate valve comprises a valve body 1 with a valve seat 7 at the bottom, a movable valve plate 2 for realizing the on-off of the valve body 1 is arranged in the valve body 1, a driving member 3 for driving the valve plate 2 to move is arranged at the top of the valve body 1, a fixed block 6 is fixedly connected to one side of the valve plate 2 close to the top, a threaded rod 4 is rotatably mounted at two ends of the fixed block 6 through a bearing, the fixed block 6 and the threaded rod 4 synchronously move along with the valve plate 2, a first rack 5 is sleeved outside the threaded rods 4 at two sides, the first rack 5 synchronously moves along with the threaded rod 4, an adjusting box 16 is detachably connected to one side of the valve seat 7, a chute 15 starts at the top of the adjusting box 16, a symmetrically arranged sliding block 14 with a size and a height adapted sliding block 14 is slidably connected in the chute 15, the sliding block 14 is stably and constantly moved in the chute 15 due to the restriction of the chute 15, a first rotating shaft 9 is rotatably connected at the top of the sliding block 14, fixedly connected with dead lever 12, the top of first pivot 9 is cup jointed with the first gear 8 that is engaged with the first rack 5, along with the removal of first rack 5, according to the meshing transmission principle of latch, drive first gear 8 to rotate, and then drive first pivot 9 to rotate, dead lever 12 is through-connected with second pivot 11 in the horizontal direction, the through-going department rotates the rotation through the bearing and connects, guarantee the rotation motion of second pivot 11, can not receive the interference of dead lever 12, both first pivot 9 and second pivot 11 are cup jointed a plurality of intermeshing driven bevel gears 10 that set up in coordination, bevel gear 10 on first pivot 9 is the action wheel, bevel gear 10 on second pivot 11 is the driven wheel, bevel gear 10 as the action wheel rotates with the rotation synchronization of first pivot 9, according to the meshing transmission principle of latch, drive bevel gear 10 as the driven wheel rotates, and then drive second pivot 11 and rotate, be connected with the brush 13 with 2 surface contact of valve plate at the other end of second pivot 11 to drive brush 13 and rotate, pivoted brush 13 and 2 surface contact of relative movement's valve plate clear up the debris on 2 surface of valve plate, avoid debris to pile up too much influence open-type push-pull valve's result of use and life, simultaneously, utilize driving piece 3 of open-type push-pull valve itself, realize transmission system's motion, reduce other electric drive device's use, save the resource, reduce use cost.
Example two:
different from the first embodiment
Referring to fig. 5, the outer surface wall of the second rotating shaft 11 is elastically connected to the inner surface wall of the support of the brush 13 through a spring 23, when the second rotating shaft 11 rotates, the brush 13 is driven to rotate and clean the impurities on the valve plate 2, and under the elastic action of the spring 23, the brush 13 bounces up and down to clean the impurities on the valve plate 2 between the brushes 13, so as to improve the cleaning effect on the valve plate 2.
Example three:
different from the first embodiment
Referring to fig. 1 and 2, the first rack 5 is connected with the threaded rod 4 in a screwing manner through threads, and in the space adjustment work of the brush 13, the transmission continuity between the first rack 5 and the first gear 8 is also ensured, the first rack 5 is controlled not to rotate in the horizontal direction, and by rotating the threaded rod 4, the position of the first rack 5 on the threaded rod 4 is adjusted and adjusted according to the thread transmission principle, so that the first rack 5 and the first gear 8 are always engaged and connected in a transmission manner, wherein when the threaded rod 4 rotates forwards, the first rack 5 moves inwards and horizontally, and when the threaded rod rotates backwards, the first rack 5 moves outwards and horizontally.
Example four:
different from the first embodiment
Referring to fig. 1-4, the outer surface walls of the two opposite sides of the sliding block 14 are respectively and fixedly connected with second racks 17 which are symmetrical up and down, a rotating rod 19 is rotatably installed between the inner surface walls of the two sides of the adjusting box 16 through a bearing, the rotating rod 19 is sleeved with a second gear 18 which is in meshing transmission connection with the two second racks 17, the second gear 18 is driven to rotate through rotating the rotating rod 19, according to the meshing transmission principle of the latch, the second rack 17 is driven to move horizontally, the sliding block 14 is driven to move, and the distance between the brushes 13 at the two sides is adjusted, so that the brushes 13 are always in surface contact with the valve plate 2, the cleaning effect of the brushes 13 on the valve plate 2 is ensured, in addition, the adjusting box 16 can be detachably installed on other open-type gate valves and is matched with the valve plates 2 with different thicknesses for use, the practicability of the device is improved, wherein when the second gear 18 is rotated forwardly, the distance between the brushes 13 at the two sides is adjusted to be small, when the brush is reversely rotated, the distance between the brushes 13 on the two sides is increased.
Referring to fig. 1-4, the second rack 17 extends through the opposite sliding blocks 14, so as to ensure that the second rack 17 is not blocked and interfered by the sliding blocks 14 when moving horizontally.
Referring to fig. 2 and 3, the outer side of the extending end of the rotating rod 19 is screwed with a limiting plate 22 through a thread, so that the through hole of the limiting plate 22 is conveniently adjusted to be in insertion fit with the limiting pin 21, the limiting pin 21 penetrates through the limiting plate 22, the extending end of the limiting pin 21 penetrates through the adjusting box 16, and the rotating rod 19 is limited to rotate through the connection between the limiting pin 21 and the limiting plate 22 as well as the adjusting box 16, so as to limit the rotation of the second gear 18.
Example five:
different from the first embodiment
Referring to fig. 1 and 4, the bottom of the sliding block 14 is provided with a roller 20 in rolling contact with the inner surface wall of the bottom of the adjusting box 16, which not only supports the sliding block 14, but also facilitates the movement of the sliding block 14.
The working principle is as follows: when in use, the distance between the hairbrushes 13 at the two sides is adjusted according to the thickness of the valve plate 2 to ensure that the hairbrushes 13 are fully contacted with the surface of the valve plate 2, to ensure the cleaning effect of the sundries on the surface of the valve plate 2, firstly, when the distance is adjusted to be large, the rotating rod 19 is reversely rotated to drive the second gear 18 to rotate, according to the meshing transmission principle of the latch, the second rack 17 is driven to move horizontally away from the other side, the slide block 14 is driven to move horizontally outwards at the same time, the brush 13 is driven to move away from the valve plate 2, the limiting plate 22 is rotated after the distance is adjusted properly, so that the through holes on the limit plate 22 are opposite to the through holes on the adjusting box 16, and the limit pin 21 is inserted into the two through holes to limit the rotation of the rotating rod 19, thereby fixing the position of the brush 13, ensuring that the brush 13 can not be separated from the surface of the valve plate 2 when the sundries cleaning work is carried out, rotating the rotating rod 19 in a forward rotation manner when the distance is adjusted to be small, and repeating the working principle to realize the purpose;
in the process of adjusting the distance between the brushes 13, the position of the first gear 8 is changed, in order to ensure the continuity of meshing transmission between the first rack 5 and the first gear 8, the position of the first rack 5 needs to be adjusted, the first rack 5 is controlled not to rotate in the horizontal direction, the threaded rod 4 is rotated forward, according to the thread transmission principle, the first rack 5 moves horizontally inwards, when the first rack 5 moves horizontally outwards when the first rack rotates reversely, because the rotation directions of the threaded rods 4 at two sides are opposite, namely the first racks 5 at two ends move consistently, and the position of the first rack 5 is adjusted to ensure that the first rack 5 can be always meshed with the first gear 8 for transmission connection;
in the process of driving the valve plate 2 to move back and forth in the valve body 1 through the driving part 3 to open and close the valve body 1, when the valve plate 2 moves, the fixed block 6, the threaded rod 4 and the first rack 5 are driven to move synchronously, the first gear 8 is driven to rotate according to the meshing transmission principle of the latch, the first rotating shaft 9 is further driven to rotate, the bevel gear 10 serving as a driving wheel is further driven to rotate, the bevel gear 10 serving as a driven wheel is driven to rotate according to the meshing transmission principle of the latch, the second rotating shaft 11 is further driven to rotate, finally the brush 13 rotates on the surface of the valve plate 2 to clean impurities on the surface of the valve plate 2, the valve plate 2 capable of moving back and forth improves the cleaning effect of the brush 13 on the impurities, so that the influence of excessive accumulation of the impurities on the use effect and the service life of the open-type gate valve is avoided, meanwhile, the driving part 3 of the open-type gate valve is utilized, the motion of a transmission system is realized, the use of other electric driving devices is reduced, the resource is saved, and the use cost is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (5)

1. The utility model provides an anti-blocking open-type gate valve, includes that the bottom is provided with valve body (1) of disk seat (7), valve body (1) inside is provided with mobilizable valve plate (2) of realizing valve body (1) break-make, valve body (1) top is provided with driving piece (3) that drive valve plate (2) removed, its characterized in that, valve plate (2) are close to top one side fixedly connected with fixed block (6), threaded rod (4) are installed through the bearing rotation in fixed block (6) both ends, both sides threaded rod (4) outside has cup jointed first rack (5), disk seat (7) one side can be dismantled and be connected with regulating box (16), regulating box (16) top begins to have spout (15), inside sliding connection has slider (14) that the symmetry set up and size height adaptation in spout (15), slider (14) top rotation is connected with first pivot (9), a fixed rod (12) is fixedly connected, a first gear (8) meshed with the first rack (5) is sleeved at the top of the first rotating shaft (9), a second rotating shaft (11) is connected with the fixed rod (12) in a penetrating manner in the horizontal direction, a plurality of bevel gears (10) which are arranged in a matched manner and are meshed with each other in a transmission manner are sleeved on the first rotating shaft (9) and the second rotating shaft (11), and a brush (13) in surface contact with the valve plate (2) is connected to the other end of the second rotating shaft (11);
second racks (17) which are symmetrical up and down are respectively fixedly connected to the outer surface walls of the opposite sides of the two sliding blocks (14), a rotating rod (19) is rotatably installed between the inner surface walls of the two sides of the adjusting box (16) through a bearing, and a second gear (18) which is in meshing transmission connection with the two second racks (17) is sleeved on the rotating rod (19);
the second toothed racks (17) extend through the opposite sliding blocks (14).
2. An anti-clogging open-type gate valve according to claim 1, characterized in that the outer surface wall of said second rotating shaft (11) is elastically connected to the inner surface wall of the support of the brush (13) by means of a spring (23).
3. An anti-clogging open-type gate valve according to claim 1, characterized in that said first rack (5) is screwed to the threaded rod (4).
4. An anti-clogging open-type gate valve according to claim 1, characterized in that a limiting plate (22) is screwed to the outside of the extending end of the rotating rod (19), a limiting pin (21) penetrates through the limiting plate (22), and the extending end of the limiting pin (21) penetrates through the adjusting box (16).
5. An anti-clogging open-type gate valve according to claim 1, characterized in that the bottom of said slider (14) is provided with rollers (20) in rolling contact with the inner surface wall of the bottom of the regulating box (16).
CN202010569474.3A 2020-06-20 2020-06-20 Anti-blocking open-type gate valve Active CN111692356B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010569474.3A CN111692356B (en) 2020-06-20 2020-06-20 Anti-blocking open-type gate valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010569474.3A CN111692356B (en) 2020-06-20 2020-06-20 Anti-blocking open-type gate valve

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CN111692356A CN111692356A (en) 2020-09-22
CN111692356B true CN111692356B (en) 2022-08-30

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Publication number Priority date Publication date Assignee Title
CN112594439B (en) * 2020-09-29 2022-11-25 如皋市蓝鹰齿轮制造有限公司 Multi-rotation type valve gear box convenient to disassemble and assemble and installation method thereof
CN113217650A (en) * 2021-05-20 2021-08-06 黄河水利职业技术学院 Mechanical control pipeline valve
CN114378013B (en) * 2021-12-28 2022-11-25 苏州坚特而光电科技有限公司 Continuous light guide plate processing system
CN115264092B (en) * 2022-06-30 2023-04-04 山东宏丰智能装备有限公司 Anti-blocking flat valve
CN114992334B (en) * 2022-08-02 2022-12-20 宁波一机阀门制造有限公司 Diaphragm type mud valve

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Publication number Priority date Publication date Assignee Title
CN200940696Y (en) * 2006-05-16 2007-08-29 洪福建 Open type chain driven insert plate valve
CN203868367U (en) * 2014-05-08 2014-10-08 无锡市华通环保设备有限公司 Anti-blocking and wear-resistant pneumatic stone coal slide plate gate
CN205678219U (en) * 2016-06-03 2016-11-09 日照港集团岚山港务有限公司 A kind of novel Bulk Grain motor-driven valve
CN209818793U (en) * 2019-05-14 2019-12-20 兴锋阀门有限公司 Large-diameter turbine welding ball valve
CN210510333U (en) * 2019-07-16 2020-05-12 盐城狮峰机械制造有限公司 Prevent basin valve body of jam
CN210716045U (en) * 2019-10-14 2020-06-09 洛阳恒久机械设备有限公司 A inserted plate formula isolation door for on pipeline

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