CN219933021U - Cover rice type anti-corrosion pneumatic weir type diaphragm valve - Google Patents
Cover rice type anti-corrosion pneumatic weir type diaphragm valve Download PDFInfo
- Publication number
- CN219933021U CN219933021U CN202321130117.2U CN202321130117U CN219933021U CN 219933021 U CN219933021 U CN 219933021U CN 202321130117 U CN202321130117 U CN 202321130117U CN 219933021 U CN219933021 U CN 219933021U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- pneumatic
- air bag
- valve body
- push block
- 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
- 238000005260 corrosion Methods 0.000 title claims abstract description 15
- 235000007164 Oryza sativa Nutrition 0.000 title claims description 4
- 235000009566 rice Nutrition 0.000 title claims description 4
- 240000007594 Oryza sativa Species 0.000 title claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000007797 corrosion Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 238000001125 extrusion Methods 0.000 description 8
- 239000002356 single layer Substances 0.000 description 6
- 230000008602 contraction Effects 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Valve Housings (AREA)
Abstract
The utility model relates to the technical field of diaphragm valves and discloses a covered-meter type anti-corrosion pneumatic weir-type diaphragm valve, which comprises a valve body and a cover body, wherein a water inlet pipe and a water outlet pipe are communicated with the side surface of the valve body, the valve body and the cover body are mutually spliced to form a cavity structure, a diaphragm is arranged between the valve body and the cover body and divides the cavity into an upper cavity and a lower cavity, the middle part of the diaphragm is an air bag, a pneumatic telescopic rod is arranged on the cover body, a push block is arranged at the telescopic end of the pneumatic telescopic rod, the push block is positioned in the upper cavity, and the pneumatic telescopic rod extrudes the diaphragm through the push block to realize that the diaphragm seals the lower cavity. According to the utility model, the air bag and the air filled between the air bag are used for filling the gap between the push block and the inner wall of the conical shell, so that the sealing is realized, the push block and the conical shell do not need to squeeze the same side wall of the diaphragm at the same time, and the sealing effect is improved.
Description
Technical Field
The utility model relates to the technical field of diaphragm valve equipment, in particular to a covered-meter type anti-corrosion pneumatic weir diaphragm valve.
Background
In the developed modern industry, the diaphragm valve can completely isolate the medium from the outside due to the unique sealing structure, and can avoid the outside pollution to the maximum extent, so that the diaphragm valve is widely applied to the field of medicine and health.
In the pneumatic diaphragm valve in the prior art, most of the pneumatic diaphragm valve adopts a traditional combined structure, a valve rod and a piston are combined in a bolt mode, the connecting mode needs back tightening of a back nut, the structure is more complex, and coaxial deviation caused by fit clearance can be caused, so that abrasion of the piston is increased, and the service life is reduced. In the sealing process, a gap between the valve core and the valve body is filled through a single-layer diaphragm structure, and the single-layer diaphragm is extruded through the valve core and the valve body at the same time, so that the aging of the single-layer diaphragm structure is accelerated.
Disclosure of Invention
The utility model aims to provide a covered-meter type anti-corrosion pneumatic weir-type diaphragm valve so as to solve the problems in the background art.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a cover rice type anti-corrosion pneumatic weir type diaphragm valve, which comprises a valve body and a cover body, wherein a water inlet pipe and a water outlet pipe are communicated with the side surface of the valve body;
the end of the pneumatic telescopic rod is fixed at the top end of the cover body through a screw, the telescopic end of the pneumatic telescopic rod stretches into a cavity formed by mutually splicing the valve body and the cover body, the telescopic end of the pneumatic telescopic rod drives the push block to move downwards, the push block extrudes the push block downwards, so that the air bag in the push block expands downwards, the valve body is filled with air, the partition between the water inlet pipe and the water outlet pipe is completed, and the disconnection of a pipeline is completed.
Further, the valve body main body is a conical shell, the outer side surface of the conical shell is communicated with a water inlet pipe and a water outlet pipe which are distributed oppositely, and the water inlet pipe and the water outlet pipe are distributed along the same axis;
the water inlet pipe and the water outlet pipe are distributed along the same axis, and liquid in the water inlet pipe directly flows to the water outlet pipe, so that energy loss in the water flow process is reduced.
Further, the middle part of the diaphragm is an air bag, a corrugated surface is arranged on the peripheral side surface of the air bag, the outer side of the corrugated surface is connected with a ring body, an annular groove is arranged on an opening of the conical shell, and the ring body is installed in the annular groove in a matched mode;
the ring body is matched with the ring groove, and the sealing effect is improved under the extrusion of the valve body and the cover body;
the air bag is connected with the ring body through the corrugated surface, the expansion and contraction of the corrugated surface are completed in the expansion and contraction process, the pulling of the diaphragm is reduced, the service life of the diaphragm is effectively prolonged, the diaphragm adopts neoprene, and the corrosion resistance is improved.
Further, a groove body is arranged on the bottom surface of the air bag, the groove body is of a conical structure, a cone is arranged in the middle of the inner bottom surface of the conical shell, and the groove body is sleeved on the outer side of the cone;
in the extrusion process, the air bag is prevented from deviating to one side through limit fit of the groove body and the cone.
Further, the outer side of the pushing block is a conical surface, and the conical surface of the pushing block is attached to the inner wall of the conical shell;
the air inside the air bag diffuses to the peripheral side in the extrusion process, so that the air bag is expanded to the periphery, the problem that leakage is caused because a single-layer diaphragm cannot realize large gap closure due to different gaps between different contact surfaces is avoided.
Further, a conical hole is formed in the bottom of the pushing block and sleeved on the outer side of the cone.
Further, the valve body is fixedly connected with the cover body through bolts, so that the valve is convenient to detach.
The utility model has the following beneficial effects:
according to the utility model, the air bag and the air filled between the air bag are used for filling the gap between the push block and the inner wall of the conical shell, so that the sealing is realized, the push block and the conical shell do not need to squeeze the same side wall of the diaphragm at the same time, and the sealing effect is improved.
The utility model prevents the air bag from deviating to one side through limit matching of the groove body and the cone
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the whole cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of a diaphragm structure according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a diaphragm according to the present utility model;
FIG. 5 is a schematic view of the valve body structure of the present utility model;
in the drawings, the list of components represented by the various numbers is as follows:
in the figure: 1. a valve body; 101. a conical housing; 102. a ring groove; 103. a cone; 104. a water inlet pipe; 105. a water outlet pipe; 2. a cover body; 3. a diaphragm; 301. a ring body; 302. a corrugated surface; 303. an air bag; 304. a tank body; 4. a pneumatic telescopic rod; 5. and pushing the block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model discloses a covered-meter type anti-corrosion pneumatic weir type diaphragm valve, which comprises a valve body 1 and a cover body 2, wherein a water inlet pipe 104 and a water outlet pipe 105 are communicated with the side surface of the valve body 1, the valve body 1 and the cover body 2 are mutually spliced to form a cavity structure, a diaphragm 3 is arranged between the valve body 1 and the cover body 2, the cavity is divided into an upper cavity and a lower cavity by the diaphragm 3, wherein the middle part of the diaphragm 3 is an air bag 303, a pneumatic telescopic rod 4 is arranged on the cover body 2, a push block 5 is arranged at the telescopic end of the pneumatic telescopic rod 4, the push block 5 is positioned in the upper cavity, and the diaphragm 3 is extruded by the pneumatic telescopic rod 4 through the push block 5 so as to realize the sealing of the lower cavity by the diaphragm 3;
the end of the pneumatic telescopic rod 4 is fixed at the top end of the cover body 2 through a screw, the telescopic end of the pneumatic telescopic rod 4 stretches into a cavity formed by mutually splicing the valve body 1 and the cover body 2, the telescopic end of the pneumatic telescopic rod 4 drives the push block 5 to move downwards, the push block 5 presses the push block 5 downwards, so that the airbag 303 in the push block 5 expands downwards, the valve body 1 is filled, the partition between the water inlet pipe 104 and the water outlet pipe 105 is completed, and the disconnection of a pipeline is completed.
The main body of the valve body 1 is a conical shell 101, the outer side surface of the conical shell 101 is communicated with a water inlet pipe 104 and a water outlet pipe 105 which are distributed oppositely, and the water inlet pipe 104 and the water outlet pipe 105 are distributed along the same axis;
the water inlet pipe 104 and the water outlet pipe 105 are distributed along the same axis, and the liquid in the water inlet pipe 104 directly flows to the water outlet pipe 105, so that the energy loss in the water flow process is reduced.
The middle part of the diaphragm 3 is an air bag 303, a corrugated surface 302 is arranged on the peripheral side surface of the air bag 303, a ring body 301 is connected to the outer side of the corrugated surface 302, a ring groove 102 is arranged on the opening of the conical shell 101, and the ring body 301 is mounted in the ring groove 102 in a matched manner;
the ring body 301 is matched with the ring groove 102, and the sealing effect is improved under the extrusion of the valve body 1 and the cover body 2;
the air bag 303 is connected with the ring body 301 through the corrugated surface 302, and the expansion and contraction of the corrugated surface 302 are completed in the expansion and contraction process, so that the pulling of the diaphragm 3 is reduced, the service life of the diaphragm 3 is effectively prolonged, the diaphragm 3 adopts neoprene, and the corrosion resistance is improved;
in addition, in the extrusion process, the air filled in the air bag 303 fills the gap between the push block 5 and the inner wall of the conical shell 101 to realize sealing, and the push block 5 and the conical shell 101 do not need to simultaneously extrude the same side wall of the diaphragm 3.
The bottom surface of the air bag 303 is provided with a groove body 304, the groove body 304 is of a conical structure, the middle part of the inner bottom surface of the conical shell 101 is provided with a cone 103, and the groove body 304 is sleeved on the outer side of the cone 103;
during the extrusion process, the groove body 304 is in limit fit with the cone 103, so that the airbag 303 is prevented from deflecting to one side.
The outer side of the push block 5 is a conical surface, and the conical surface of the push block 5 is attached to the inner wall of the conical shell 101;
the air inside the air bag 303 diffuses towards the periphery in the extrusion process, so that the air bag 303 is expanded towards the periphery, the problem that leakage is caused because a single-layer diaphragm cannot realize large gap closure due to different gaps between different contact surfaces is avoided.
The bottom of the pushing block 5 is provided with a conical hole which is sleeved on the outer side of the cone 103.
The valve body 1 is fixedly connected with the cover body 2 through bolts, so that the valve is convenient to detach.
When the air bag type air bag sealing device is used, the end part of the pneumatic telescopic rod 4 is fixed at the top end of the cover body 2 through the screw, the telescopic end of the pneumatic telescopic rod 4 stretches into the cavity formed by mutually splicing the valve body 1 and the cover body 2, the telescopic end of the pneumatic telescopic rod 4 drives the push block 5 to move downwards, the push block 5 is extruded downwards, so that the air bag 303 in the push block 5 is expanded downwards, the valve body 1 is filled with the air bag, the partition between the water inlet pipe 104 and the water outlet pipe 105 is completed, the disconnection of a pipeline is completed, the air inside the air bag 303 is diffused to the circumferential side in the extrusion process, the air bag 303 is expanded to the periphery, the difference of gaps between different contact surfaces is avoided, and a single-layer diaphragm cannot realize large gap sealing, so that the leakage problem is caused.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The utility model provides a cover rice formula anticorrosion pneumatic weir formula diaphragm valve, includes valve body (1) and lid (2), the intercommunication has inlet tube (104) and outlet pipe (105), its characterized in that on the side of valve body (1):
the valve body (1) and the cover body (2) are spliced with each other to form a cavity structure;
a diaphragm (3) is arranged between the valve body (1) and the cover body (2), and the diaphragm (3) divides the cavity into an upper cavity and a lower cavity;
wherein the middle part of the diaphragm (3) is an air bag (303);
a pneumatic telescopic rod (4) is arranged on the cover body (2), a push block (5) is arranged at the telescopic end of the pneumatic telescopic rod (4), and the push block (5) is positioned in the upper cavity;
the pneumatic telescopic rod (4) extrudes the diaphragm (3) through the pushing block (5), so that the diaphragm (3) seals the lower cavity.
2. The covered-rice type anti-corrosion pneumatic weir diaphragm valve according to claim 1, wherein: the valve body (1) is characterized in that the main body of the valve body (1) is a conical shell (101), and a water inlet pipe (104) and a water outlet pipe (105) which are distributed relatively are communicated with the outer side surface of the conical shell (101);
the water inlet pipe (104) and the water outlet pipe (105) are distributed along the same axis.
3. The covered-rice type anti-corrosion pneumatic weir diaphragm valve according to claim 2, wherein: the middle part of the diaphragm (3) is an air bag (303), a corrugated surface (302) is arranged on the peripheral side surface of the air bag (303), and a ring body (301) is connected to the outer side of the corrugated surface (302);
an annular groove (102) is formed in the opening of the conical shell (101), and the ring body (301) is installed in the annular groove (102) in a matching mode.
4. The covered-rice type anti-corrosion pneumatic weir diaphragm valve according to claim 2, wherein: a groove body (304) is arranged on the bottom surface of the air bag (303), and the groove body (304) is of a conical structure;
the middle part of the inner bottom surface of the conical shell (101) is provided with a cone (103), and the groove body (304) is sleeved on the outer side of the cone (103).
5. The covered-rice corrosion resistant pneumatic weir diaphragm valve according to claim 4 wherein: the outside of ejector pad (5) is the conical surface, the conical surface of ejector pad (5) is laminated with the inner wall of conical shell (101).
6. The covered-rice corrosion resistant pneumatic weir diaphragm valve according to claim 5 wherein: the bottom of the pushing block (5) is provided with a conical hole which is sleeved on the outer side of the cone (103).
7. The covered-rice type anti-corrosion pneumatic weir diaphragm valve according to any one of claims 1-6 wherein: the valve body (1) is fixedly connected with the cover body (2) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321130117.2U CN219933021U (en) | 2023-05-11 | 2023-05-11 | Cover rice type anti-corrosion pneumatic weir type diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321130117.2U CN219933021U (en) | 2023-05-11 | 2023-05-11 | Cover rice type anti-corrosion pneumatic weir type diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219933021U true CN219933021U (en) | 2023-10-31 |
Family
ID=88499450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321130117.2U Active CN219933021U (en) | 2023-05-11 | 2023-05-11 | Cover rice type anti-corrosion pneumatic weir type diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219933021U (en) |
-
2023
- 2023-05-11 CN CN202321130117.2U patent/CN219933021U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2687229A (en) | Pressure tightened joint | |
| CN109578719A (en) | A kind of sealing flange for pipelines and petrochemical pipelines connection | |
| CN217003536U (en) | Pipeline sealing device with second grade leak protection function | |
| CN113007470A (en) | High gas tightness stainless steel flange with adjustable structure | |
| CN219933021U (en) | Cover rice type anti-corrosion pneumatic weir type diaphragm valve | |
| CN112032326B (en) | Segmented piston valve core structure, assembly, valve and method thereof | |
| CN209894285U (en) | Detachable single-flange liquid level transmitter | |
| CN111350896A (en) | High-pressure load pipeline | |
| CN207019846U (en) | A kind of leak tightness test device | |
| CN209524196U (en) | A kind of sealing flange for pipelines and petrochemical pipelines connection | |
| CN211778940U (en) | Mechanical sealing device for container pipe joint | |
| CN2175343Y (en) | Sleeve type joint for pipe line | |
| CN2533365Y (en) | Self-tightening packing type pipeline expansion joint | |
| CN217207837U (en) | Prevent leaking straight tube flange ball valve | |
| CN217637533U (en) | Sealing device for residual discharge valve of marine oil tank liquid level meter | |
| CN211901967U (en) | Pipeline connecting structure for oil-water separator | |
| CN215173278U (en) | Plastic conduit of easy design of disconnect-type | |
| CN219263478U (en) | High-tightness valve | |
| CN212672389U (en) | Bolt welding type under-pressure sealing device | |
| CN2292958Y (en) | Quick mounting-and-dismounting mouthpiece joint | |
| CN221525804U (en) | Fire control pipeline connection structure | |
| CN212645452U (en) | Letter-filled heat exchanger | |
| CN220976575U (en) | Special balanced oil gas recovery device for organic solvent | |
| CN114607848B (en) | Combined air-expanding sealing device | |
| CN101949457A (en) | Telescopic gate valve with soft seal and threaded connection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |