CN113202941A - Unclamping and clamping mechanism for glasses valve and operation method - Google Patents
Unclamping and clamping mechanism for glasses valve and operation method Download PDFInfo
- Publication number
- CN113202941A CN113202941A CN202110356330.4A CN202110356330A CN113202941A CN 113202941 A CN113202941 A CN 113202941A CN 202110356330 A CN202110356330 A CN 202110356330A CN 113202941 A CN113202941 A CN 113202941A
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- connecting plate
- valve
- rubber ring
- spring
- connecting rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 49
- 239000011521 glass Substances 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 37
- 238000012856 packing Methods 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 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
- 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
- F16K3/16—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 special arrangements for separating the sealing faces or for pressing them together
- F16K3/20—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 special arrangements for separating the sealing faces or for pressing them together by movement of the seats
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention provides a loosening clamping mechanism for a glasses valve and an operation method, wherein the loosening clamping mechanism and a driving device comprise a left connecting plate and a right connecting plate, and a connecting rod is arranged between the left connecting plate and the right connecting plate; one end of the connecting rod is connected with the left connecting plate through a first fastening nut and a first washer; a spring is sleeved on the connecting rod and positioned between the left connecting plate and the right connecting plate; the other end of the connecting rod penetrates through a through hole in the right connecting plate, an annular cover plate is fixedly mounted at the end head of the connecting rod, a clamping groove is fixed on the inner end face of the annular cover plate, and the other end of the clamping groove is embedded into a groove of the right connecting plate and can move left and right in the groove; an inflatable tensioning mechanism used for driving the connecting rod is arranged inside the clamping groove. The device cost is greatly reduced while good loosening and clamping effects are ensured.
Description
Technical Field
The invention relates to a loosening and clamping mechanism for a glasses valve, and belongs to the technical field of energy storage.
Background
The glasses valve unclamping mechanism and the driving device are used for unclamping or clamping the valve seat and the sealing surface before and after the glasses valve plate moves, and the device for driving the mechanism is the driving device. When the valve plate does not need to be moved, the mechanism compresses the valve seat and the valve sealing surface tightly to realize sealing; before the valve plate needs to be moved, the mechanism loosens the valve seat and the valve plate to a certain gap, and friction between sealing surfaces is avoided. In the field of the mechanism and the driving device, the schemes can be roughly divided into the following types: scheme 1: a worm gear transmission mechanism is adopted as a loosening and clamping mechanism, and a motor is adopted as a driving device; scheme 2: a disc spring oil cylinder is used as a loosening and clamping mechanism, and hydraulic oil is used as a driving power source. In the scheme, the scheme 1 has the defects of transmission, which easily causes the asynchronous actions of a plurality of pressing points and causes the phenomenon of uneven sealing. Scheme 2 has overcome the not enough of scheme 1, but the dish spring hydro-cylinder is expensive, has leaded to the cost of whole eyes valve to improve greatly.
Disclosure of Invention
The invention aims to provide a loosening and clamping mechanism for an eyeglass valve, which greatly reduces the cost of the device while ensuring good loosening and clamping effects.
In order to achieve the technical features, the invention is realized as follows: a unclamping mechanism for a glasses valve comprises a left connecting plate and a right connecting plate, wherein a connecting rod is arranged between the left connecting plate and the right connecting plate; one end of the connecting rod is connected with the left connecting plate through a first fastening nut and a first washer; a spring is sleeved on the connecting rod and positioned between the left connecting plate and the right connecting plate; the other end of the connecting rod penetrates through a through hole in the right connecting plate, an annular cover plate is fixedly mounted at the end head of the connecting rod, a clamping groove is fixed on the inner end face of the annular cover plate, and the other end of the clamping groove is embedded into a groove of the right connecting plate and can move left and right in the groove; an inflatable tensioning mechanism used for driving the connecting rod is arranged inside the clamping groove.
A plurality of loosening clamping mechanisms and driving devices are uniformly distributed on the glasses valve, the left connecting plate is fixedly arranged at the top of the left sealing seat, and the left sealing seat is matched with the valve plate and realizes sealing; and the right connecting plate is fixedly arranged on the right sealing seat.
The spring is arranged between the left connecting plate and the right connecting plate, the spring is sleeved outside the left guide pipe and the right guide pipe, the left end of the spring is welded on the spring mounting seat, the right end of the spring can move freely, the left guide pipe is connected with the spring mounting seat, and the spring mounting seat is connected with the left connecting plate; the right guide tube is connected with the right connecting plate.
The annular cover plate is mounted on the connecting rod in a limiting mode through a second fastening nut and a second gasket.
And a graphite packing is arranged on the through hole of the right connecting plate, the graphite packing is tightly pressed and fixed through a packing gland, and the packing gland is fixed on the right connecting plate through a belleville spring and a screw.
The inflatable tensioning mechanism comprises an inflatable rubber ring arranged in the clamping groove, and an inflating valve used for inflating is arranged on the inflatable rubber ring.
Inflatable straining device is including fixing the left arc on right connecting plate lateral wall, be fixed with right arc on the connecting rod, install between left arc and right arc and aerify the rubber circle.
The inflatable rubber ring adopts a large rubber ring and a small rubber ring with different diameters, and two ends of the large rubber ring are respectively connected to two joints of the five-way joint; two ends of the small rubber ring are also respectively connected to the other two joints of the five-way joint, the tail end of the five-way joint is connected with an inflating valve, and the inflating valve inflates or deflates simultaneously in the large rubber ring and the small rubber ring, so that uniform stress and synchronous compression on the circumference of the sealing surface of the valve are realized.
When the inflatable rubber ring is inflated, the inflatable rubber ring expands to drive the connecting rod to move rightwards, the spring compresses and drives the left connecting plate and the left sealing seat connected with the left connecting plate to move rightwards, so that the left sealing seat is separated from the valve plate and is prevented from being rubbed with the valve plate;
when the rubber ring is deflated, the rubber ring contracts, the spring releases and extends, the connecting rod moves leftwards, but the spring is still in a compression state at the moment, and the spring elasticity tightly presses the left sealing seat connected with the left connecting plate on the valve plate to realize good sealing.
The invention has the following beneficial effects:
the plurality of loosening clamping mechanisms are uniformly arranged on the valve body, and the spring provides pressing force required by sealing; the elastic force required to overcome the spring force is supplied to the valve seat and the valve plate to loosen through inflating the rubber ring, the rubber ring is in full-circle contact with the connecting plate, the annular cover plate integrally moves rightwards when the rubber ring is inflated, all the connecting rods are driven to move rightwards, all the clamping mechanisms are loosened to synchronously move, uniform stress is realized on the circumference, and then all points of the sealing seat and the valve plate are synchronously loosened and compressed, so that the problem that a plurality of loosening clamping devices cannot be synchronous in the conventional scheme is solved, the stability and the reliability of the plurality of loosening clamping devices in simultaneous working are improved, and the manufacturing cost is greatly reduced compared with the conventional scheme.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic view of the release of the clasping mechanism and the position of the actuating means in the eyeglasses valve in an embodiment of the present invention.
FIG. 2 is a cross-sectional view A-A of FIG. 1 according to the present invention.
FIG. 3 is an enlarged view of a portion of the unclamping mechanism and drive assembly of the present invention.
FIG. 4 is a block diagram of another inflatable tensioning mechanism of the present invention.
Fig. 5 is a structural view when two rubber rings are used in the present invention.
In the figure: 1-loosening a clamping mechanism and a driving device, 2-a valve plate, 3-a left sealing seat, 4-a left connecting plate, 5-a first fastening nut, 6-a first gasket, 7-a spring seat, 8-a left guide tube, 9-a spring, 10-a right guide tube, 11-an inflating valve, 12-a rubber ring clamping groove, 13-a rubber ring, 14-an annular cover plate, 15-a connecting rod, 16-a second gasket, 17-a second fastening nut, 18-a right connecting plate, 19-a right sealing seat, 20-a graphite packing, 21-a disc spring, 22-a packing gland, 23-a left arc plate, 24-a right arc plate and a 25-five-way joint.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-3, a unclamping mechanism for a glasses valve, the unclamping mechanism and driving device 1 comprises a left connecting plate 4 and a right connecting plate 18, a connecting rod 15 is arranged between the left connecting plate 4 and the right connecting plate 18; one end of the connecting rod 15 is connected with the left connecting plate 4 through a first fastening nut 5 and a first washer 6; a spring 9 is sleeved on the connecting rod 15 and positioned between the left connecting plate 4 and the right connecting plate 18; the other end of the connecting rod 15 penetrates through a through hole in the right connecting plate 18, an annular cover plate 14 is fixedly mounted at the end head of the connecting rod, a clamping groove 12 is fixed on the inner end face of the annular cover plate 14, and the other end of the clamping groove 12 is embedded into a groove of the right connecting plate 18 and can move left and right in the groove; an inflatable tensioning mechanism for driving the connecting rod 15 is arranged in the clamping groove 12. When the good loosening and clamping effects are ensured through the loosening and clamping mechanism, the cost of the device is greatly reduced. It can be used for driving connecting rod 15 through adopting inflatable straining device, and then drives to realize sealed and separation between corresponding seal receptacle and the valve plate through the connecting rod.
Furthermore, a plurality of loosening clamping mechanisms and driving devices 1 are uniformly distributed on the glasses valve, the left connecting plate 4 is fixedly arranged at the top of the left sealing seat 3, and the left sealing seat 3 is matched with the valve plate 2 to realize sealing; the right connecting plate 18 is fixedly arranged on the right sealing seat 19. The plurality of loosening clamping mechanisms and the driving device 1 ensure uniform stress on the circumference.
Further, the spring 9 is arranged between the left connecting plate 4 and the right connecting plate 18, the spring 9 is sleeved outside the left guide pipe 8 and the right guide pipe 10, the left end of the spring 9 is welded on the spring mounting seat 7, the right end of the spring can move freely, the left guide pipe 8 is connected with the spring mounting seat 7, and the spring mounting seat 7 is connected with the left connecting plate 4; the right guide tube 10 is connected to a right connecting plate 18. The spring 9 can be stably and reliably mounted by the mounting structure.
Further, the annular cover plate 14 is limited and mounted on the connecting rod 15 through a second fastening nut 17 and a second washer 16. The position of the annular cover plate 14 on the connecting rod 15 can be conveniently adjusted through the structure.
Furthermore, a graphite packing 20 is installed on a through hole of the right connecting plate 18, the graphite packing 20 is compressed and fixed through a packing gland 22, and the packing gland 22 is fixed on the right connecting plate 18 through a belleville spring 21 and a screw. The graphite packing 20 can guide the connecting rod 15 to reduce friction.
Example 2:
further, the inflatable tensioning mechanism comprises an inflatable rubber ring 13 arranged inside the clamping groove 12, and an inflating valve 11 for inflating is arranged on the inflatable rubber ring 13. In the specific use, before the glasses valve plate need remove, fill into certain pressure's gas in the rubber circle 13, the rubber circle aerifys the inner chamber volume grow, and the expanded rubber circle withstands draw-in groove and annular cover board and moves right, and this process is synchronous between a plurality of hold-down mechanism of loosening on whole glasses valve.
Example 3:
referring to fig. 4, further, the inflatable tensioning mechanism comprises a left arc-shaped plate 23 fixed on the outer side wall of the right connecting plate 18, a right arc-shaped plate 24 fixed on the connecting rod 15, and an inflatable rubber ring 13 mounted between the left arc-shaped plate 23 and the right arc-shaped plate 24. The pneumatic tensioning mechanism described above can likewise be used to drive the connecting rod 15.
Referring to fig. 5, further, the inflatable rubber ring 13 adopts a large rubber ring and a small rubber ring with different diameters, and two ends of the large rubber ring are respectively connected to two joints of the five-way joint 25; two ends of the small rubber ring are also respectively connected to the other two joints of the five-way joint 25, the tail end of the five-way joint 25 is connected with the inflating valve 11, and the inflating valve inflates or deflates simultaneously into the large rubber ring and the small rubber ring, so that the uniform stress and synchronous compression on the circumference of the sealing surface of the valve are realized.
Example 4:
when the inflatable rubber ring 13 is inflated, the inflatable rubber ring expands to drive the connecting rod 15 to move rightwards, the spring 9 compresses and drives the left connecting plate 4 and the left sealing seat 3 connected with the left connecting plate 4 to move rightwards, so that the left sealing seat 3 is separated from the valve plate 2 and is prevented from rubbing;
when the rubber ring 13 is deflated, the rubber ring contracts, the spring 9 is released to extend, the connecting rod 15 moves leftwards, the spring 9 is still in a compressed state at the moment, and the spring force presses the left sealing seat 3 connected with the left connecting plate 4 to the valve plate 2 to realize good sealing.
The invention is a simple to make, the fabrication cost is cheap, the ones that use the performance are reliable unclamp the clamping mechanism and actuating device, not merely limit to the above-mentioned best embodiment, any person can get other various forms of products under the inspiration of the invention, for example change its driving medium, right tie plate and inconsistent with valve block, number of rubber rings, etc., but make any change in its form or structure, have with the same or similar technical scheme of the invention, all within its protective scope.
Claims (9)
1. A release clamp mechanism for an eyeglass valve, comprising: the unclamping mechanism and driving device (1) comprises a left connecting plate (4) and a right connecting plate (18), and a connecting rod (15) is arranged between the left connecting plate (4) and the right connecting plate (18); one end of the connecting rod (15) is connected with the left connecting plate (4) through a first fastening nut (5) and a first washer (6); a spring (9) is sleeved on the connecting rod (15) and positioned between the left connecting plate (4) and the right connecting plate (18); the other end of the connecting rod (15) penetrates through a through hole in the right connecting plate (18), an annular cover plate (14) is fixedly mounted at the end of the connecting rod, a clamping groove (12) is fixed on the inner end face of the annular cover plate (14), and the other end of the clamping groove (12) is embedded into a groove of the right connecting plate (18) and can move left and right in the groove; an inflatable tensioning mechanism for driving the connecting rod (15) is arranged in the clamping groove (12).
2. The release clip mechanism for an eyeglass valve of claim 1, wherein: a plurality of loosening clamping mechanisms and driving devices (1) are uniformly arranged on the glasses valve, the left connecting plate (4) is fixedly arranged at the top of the left sealing seat (3), and the left sealing seat (3) is matched with the valve plate (2) and realizes sealing; the right connecting plate (18) is fixedly arranged on the right sealing seat (19).
3. The release clip mechanism for an eyeglass valve of claim 1, wherein: the spring (9) is arranged between the left connecting plate (4) and the right connecting plate (18), the spring (9) is sleeved outside the left guide pipe (8) and the right guide pipe (10), the left end of the spring (9) is welded on the spring mounting seat (7), the right end of the spring (9) can move freely, the left guide pipe (8) is connected with the spring mounting seat (7), and the spring mounting seat (7) is connected with the left connecting plate (4); the right guide tube (10) is connected with a right connecting plate (18).
4. The release clip mechanism for an eyeglass valve of claim 1, wherein: the annular cover plate (14) is installed on the connecting rod (15) in a limiting mode through a second fastening nut (17) and a second gasket (16).
5. The release clip mechanism for an eyeglass valve of claim 1, wherein: the graphite packing (20) is installed on the through hole of the right connecting plate (18), the graphite packing (20) is compressed and fixed through a packing gland (22), and the packing gland (22) is fixed on the right connecting plate (18) through a belleville spring (21) and a screw.
6. The release clip mechanism for an eyeglass valve of claim 1, wherein: the inflatable tensioning mechanism comprises an inflatable rubber ring (13) arranged in the clamping groove (12), and an inflating valve (11) used for inflating is arranged on the inflatable rubber ring (13).
7. The release clip mechanism for an eyeglass valve of claim 1, wherein: inflatable straining device is including fixing left arc (23) on right connecting plate (18) lateral wall, be fixed with right arc (24) on connecting rod (15), install between left arc (23) and right arc (24) and aerify rubber circle (13).
8. The release clip mechanism for an eyeglass valve of claim 1 or 7, wherein: the inflatable rubber ring (13) adopts a large rubber ring and a small rubber ring with different diameters, and two ends of the large rubber ring are respectively connected to two joints of the five-way joint (25); two ends of the small rubber ring are also respectively connected to the other two joints of the five-way joint (25), the tail end of the five-way joint (25) is connected with an air valve (11), and the air valve is used for simultaneously inflating or deflating the large rubber ring and the small rubber ring, so that uniform stress and synchronous compression on the circumference of the sealing surface of the valve are realized.
9. The method of operating a release clamp mechanism and actuating device for an eyeglass valve of any of claims 1-8, wherein: when the inflatable rubber ring (13) is inflated, the inflatable rubber ring expands to drive the connecting rod (15) to move rightwards, the spring (9) compresses and drives the left connecting plate (4) and the left sealing seat (3) connected with the left connecting plate (4) to move rightwards, so that the left sealing seat (3) is separated from the valve plate (2) to be in contact with the valve plate and friction between the left sealing seat and the valve plate is avoided;
when the rubber ring (13) is deflated, the rubber ring contracts, the spring (9) is released to extend, the connecting rod (15) moves leftwards, the spring (9) is still in a compressed state at the moment, and the spring force presses the left sealing seat (3) connected with the left connecting plate (4) onto the valve plate (2) to achieve good sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110356330.4A CN113202941A (en) | 2021-04-01 | 2021-04-01 | Unclamping and clamping mechanism for glasses valve and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110356330.4A CN113202941A (en) | 2021-04-01 | 2021-04-01 | Unclamping and clamping mechanism for glasses valve and operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113202941A true CN113202941A (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110356330.4A Pending CN113202941A (en) | 2021-04-01 | 2021-04-01 | Unclamping and clamping mechanism for glasses valve and operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113202941A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118640350A (en) * | 2024-08-16 | 2024-09-13 | 山东付新环保科技有限公司 | Hollow wall winding pipe capable of being replaced on line |
| CN118640350B (en) * | 2024-08-16 | 2024-10-29 | 山东付新环保科技有限公司 | Hollow wall winding pipe capable of being replaced on line |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2353770A1 (en) * | 1976-06-04 | 1977-12-30 | Vraco Systemes | Sliding gate valve seal - has hollow flexible elements mounted in annular housing chambers and connected with pressurised fluid source by passages |
| US20060042691A1 (en) * | 2004-02-04 | 2006-03-02 | Ekkehard Brzoska | Double-disk slide valve |
| CN103410992A (en) * | 2013-07-26 | 2013-11-27 | 武汉策尔曼自动化设备有限公司 | Totally-closed spectacle type intercepting valve |
| CN107965585A (en) * | 2017-11-28 | 2018-04-27 | 永嘉县信诚科技服务有限公司 | Full-automatic high-temperature opens and closes automatically controlled gate valve without friction |
| CN208107263U (en) * | 2018-02-09 | 2018-11-16 | 郑州中特阀门有限公司 | A kind of sealing device used for sector blind plate valve |
| CN110953352A (en) * | 2019-12-31 | 2020-04-03 | 国威阀门制造有限公司 | Electric blind plate valve |
| CN210290905U (en) * | 2019-06-28 | 2020-04-10 | 宁波盛达阳光自动化科技有限公司 | Valve cover structure of electromagnetic pulse valve |
| CN215172385U (en) * | 2021-04-01 | 2021-12-14 | 武汉策尔曼自动化设备有限公司 | Loosening and clamping mechanism for glasses valve |
-
2021
- 2021-04-01 CN CN202110356330.4A patent/CN113202941A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2353770A1 (en) * | 1976-06-04 | 1977-12-30 | Vraco Systemes | Sliding gate valve seal - has hollow flexible elements mounted in annular housing chambers and connected with pressurised fluid source by passages |
| US20060042691A1 (en) * | 2004-02-04 | 2006-03-02 | Ekkehard Brzoska | Double-disk slide valve |
| CN103410992A (en) * | 2013-07-26 | 2013-11-27 | 武汉策尔曼自动化设备有限公司 | Totally-closed spectacle type intercepting valve |
| CN107965585A (en) * | 2017-11-28 | 2018-04-27 | 永嘉县信诚科技服务有限公司 | Full-automatic high-temperature opens and closes automatically controlled gate valve without friction |
| CN208107263U (en) * | 2018-02-09 | 2018-11-16 | 郑州中特阀门有限公司 | A kind of sealing device used for sector blind plate valve |
| CN210290905U (en) * | 2019-06-28 | 2020-04-10 | 宁波盛达阳光自动化科技有限公司 | Valve cover structure of electromagnetic pulse valve |
| CN110953352A (en) * | 2019-12-31 | 2020-04-03 | 国威阀门制造有限公司 | Electric blind plate valve |
| CN215172385U (en) * | 2021-04-01 | 2021-12-14 | 武汉策尔曼自动化设备有限公司 | Loosening and clamping mechanism for glasses valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118640350A (en) * | 2024-08-16 | 2024-09-13 | 山东付新环保科技有限公司 | Hollow wall winding pipe capable of being replaced on line |
| CN118640350B (en) * | 2024-08-16 | 2024-10-29 | 山东付新环保科技有限公司 | Hollow wall winding pipe capable of being replaced on line |
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Application publication date: 20210803 |
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