CN220600463U - Pneumatic expansion butterfly valve - Google Patents
Pneumatic expansion butterfly valve Download PDFInfo
- Publication number
- CN220600463U CN220600463U CN202322251116.XU CN202322251116U CN220600463U CN 220600463 U CN220600463 U CN 220600463U CN 202322251116 U CN202322251116 U CN 202322251116U CN 220600463 U CN220600463 U CN 220600463U
- Authority
- CN
- China
- Prior art keywords
- valve plate
- disc valve
- plate
- disc
- rod
- 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
- 238000007789 sealing Methods 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a pneumatic expansion butterfly valve, and relates to the technical field of butterfly valves; the utility model comprises an expansion butterfly valve body, a first disc valve plate and a second disc valve plate, wherein the expansion butterfly valve body is connected with a valve rod, the novel first disc valve plate and the novel second disc valve plate can be respectively placed on the side surface of the butterfly valve, when the first disc valve plate and the novel second disc valve plate are placed into the expansion butterfly valve body from the butterfly valve, the rectangular rod is pulled to enable the insert block to move downwards through the moving plate, so that the first disc valve plate and the second disc valve plate are attached to the valve rod, the square rod is inserted into the hollow block, the insert block can be inserted into the jack through the force of the spring, the first disc valve plate and the second disc valve plate can be connected together, subsequent installation is convenient, one person can operate conveniently, a through hole formed in the novel first disc valve plate and the novel second disc valve plate are corresponding, and then a bolt is inserted into the through hole to be fixed through the nut, so that the insert block can be replaced conveniently when the valve plate is damaged.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a pneumatic expansion butterfly valve.
Background
The butterfly valve is also called a flap valve, and is a simple-structure regulating valve, the butterfly valve capable of being used for the on-off control of low-pressure pipeline media is characterized in that a closing member (a valve clack or a butterfly plate) is a disc, the butterfly valve rotates around a valve rod to achieve a valve for opening and closing, an air bag is additionally arranged on the expansion butterfly valve, the tightness between the butterfly plate and a valve body is improved, a valve plate of the existing expansion butterfly valve is arranged in the diameter direction of a pipeline, the disc-shaped valve plate rotates around the axis of the valve rod, the rotation angle is 0-90 degrees, when the rotation angle is 0-0 degrees, the butterfly valve is in a fully-closed state, when the valve plate rotates to 90 degrees, the butterfly valve is in a fully-open state, and when the rotation angle is smaller than 90 degrees, the flow speed of media in the pipeline can be regulated.
The valve plate can receive strong liquid flow scour at the in-process of opening and close, sometimes there is little stone granule in the liquid flow, probably can cause the damage of butterfly valve, the butterfly valve damages its cutoff function and will receive very big influence, consequently, need change the valve plate, because valve rod and valve plate are usually integrated to be connected, when the valve plate appears damaging, often need carry out whole maintenance or whole change to valve plate and valve rod, and intact valve rod or valve plate also can not continue to use for the whole maintenance cost of butterfly valve is higher, it is not convenient enough to use, the inventor proposes a pneumatic expansion butterfly valve to be used for solving above-mentioned problem.
Disclosure of Invention
In order to solve the problems that the valve plate is subjected to strong liquid flow scouring in the opening and closing process, sometimes small stone particles are in the liquid flow, the butterfly valve is possibly damaged, the cutoff function of the butterfly valve is greatly influenced when the butterfly valve is damaged, and therefore, the valve plate needs to be replaced; the utility model aims to provide a pneumatic expansion butterfly valve.
In order to solve the technical problems, the utility model adopts the following technical scheme: the pneumatic expansion butterfly valve comprises an expansion butterfly valve body, a first disc valve plate and a second disc valve plate, wherein a valve rod is connected to the expansion butterfly valve body, the first disc valve plate is movably attached to the outer side surface of the valve rod, the second disc valve plate is movably attached to the outer side surface of the valve rod, the first disc valve plate is movably attached to the second disc valve plate, an anti-corrosion steel plate is arranged in the expansion butterfly valve body, arc-shaped sealing rings are arranged on the first disc valve plate and the second disc valve plate, the arc-shaped sealing rings are movably attached to the valve rod, and a pre-connection assembly is connected to the first disc valve plate and the second disc valve plate;
the pre-connection assembly comprises square rods, the square rods are fixedly connected to one side, close to the valve rod, of the second disc valve plate, two square rods are arranged, the square rods are symmetrically arranged on the side face of the second disc valve plate, insertion holes are formed in the lower surface of the square rods, through holes are formed in the first disc valve plate, the square rods penetrate through the through holes, hollow blocks are fixedly arranged on one side, far away from the valve rod, of the second disc valve plate, the square rods are movably inserted into the hollow blocks, square grooves are formed in the inner surfaces of the hollow blocks, springs are fixedly arranged in the square grooves, three springs are arranged, spring arrays are distributed between the square grooves and the moving plates, moving plates are fixedly arranged at the lower ends of the springs, the moving plates are in sliding fit with the inner surfaces of the square grooves, insertion blocks are fixedly arranged on the upper surfaces of the moving plates, insertion blocks are movably inserted into the insertion holes, penetrating grooves are formed in the side faces of the hollow blocks, rectangular rods are fixedly connected with the moving plates, and the cross-section shapes of the rectangular rods are T-shaped.
Preferably, through holes are formed in the first disc valve plate, the second disc valve plate and the valve rod, bolts are movably inserted in the through holes, and nuts are sleeved on the outer side surfaces of the bolts in a threaded mode.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the novel first disc valve plate and the novel second disc valve plate can be respectively placed on the side surfaces of the butterfly valve, when the first disc valve plate and the novel second disc valve plate are placed into the expansion butterfly valve body from the butterfly valve, the rectangular rod is pulled to enable the insert block to move downwards through the moving plate, so that the first disc valve plate and the novel second disc valve plate are attached to the valve rod, the rectangular rod penetrates through the through hole, the square rod is inserted into the hollow block, the insert block can be inserted into the jack through the force of the spring, so that the first disc valve plate and the second disc valve plate can be connected together first, subsequent installation is convenient, one person can operate conveniently, through holes formed in the insert block correspond to each other, then the bolt is inserted into the through hole, and the insert block is fixed through the nut, so that the insert block is convenient to replace when the valve plate is damaged, and maintenance is reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the 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 structure of the present utility model.
FIG. 2 is a schematic view of the valve stem structure of the present utility model.
FIG. 3 is a schematic view of the pre-connection assembly and the bolt according to the present utility model.
Fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
In the figure: 1. an expansion butterfly valve body; 12. a first disc valve plate; 13. a second disc valve plate; 131. an arc-shaped sealing ring; 14. corrosion resistant steel plate; 2. a bolt; 22. a nut; 3. a valve stem; 4. a pre-connection assembly; 41. square bar; 411. a jack; 42. perforating; 43. a hollow block; 44. a square groove; 45. a spring; 46. a moving plate; 47. inserting blocks; 48. penetrating a groove; 49. rectangular bar.
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.
Embodiment one: as shown in fig. 1-4, the utility model provides a pneumatic expansion butterfly valve, which comprises an expansion butterfly valve body 1, a first disc valve plate 12 and a second disc valve plate 13, wherein the expansion butterfly valve body 1 is connected with a valve rod 3, the first disc valve plate 12 is movably jointed with the outer side surface of the valve rod 3, the second disc valve plate 13 is movably jointed with the outer side surface of the valve rod 3, the first disc valve plate 12 is movably jointed with the second disc valve plate 13, and a pre-connection assembly 4 is connected with the first disc valve plate 12 and the second disc valve plate 13;
the pre-connection assembly 4 comprises square rods 41, the square rods 41 are fixedly connected to one side, close to the valve rod 3, of the second disc valve plate 13, two square rods 41 are arranged, the square rods 41 are symmetrically arranged on the side face of the second disc valve plate 13, insertion holes 411 are formed in the lower surface of the square rods 41, through holes 42 are formed in the first disc valve plate 12, the square rods 41 movably penetrate through the through holes 42, a hollow block 43 is fixedly arranged on one side, far away from the valve rod 3, of the second disc valve plate 13, the square rods 41 are movably inserted into the hollow block 43, square grooves 44 are formed in the inner surfaces of the hollow blocks 43, springs 45 are fixedly arranged in the square grooves 44, moving plates 46 are fixedly arranged at the lower ends of the springs 45, the moving plates 46 are in sliding fit with the inner surfaces of the square grooves 44, the upper surface of the movable plate 46 is fixedly provided with an inserting block 47, the inserting block 47 can be movably inserted into the inserting hole 411, the side surface of the hollow block 43 is provided with a penetrating groove 48, a rectangular rod 49 is arranged in the penetrating groove 48 in a sliding manner, the rectangular rod 49 is in a T shape in section, the rectangular rod 49 is conveniently pulled to be fixedly connected with the movable plate 46, when the first disc valve plate 12 and the second disc valve plate 13 of the device are damaged and need to be replaced, the nut 22 can be rotated to separate the first disc valve plate 12 from the bolt 2, the bolt 2 can be pulled out from the through hole 21, and then the rectangular rod 49 is pulled downwards to drive the movable plate 46 to move, so that the inserting block 47 is separated from the inserting hole 411, and then the first disc valve plate 12 and the second disc valve plate 13 can be taken down from the side surface of the butterfly valve.
The first disc valve plate 12, the second disc valve plate 13 and the valve rod 3 are respectively provided with through holes, bolts 2 are movably inserted into the through holes, nuts 22 are sleeved on the outer side surfaces of the bolts 2 in a threaded manner, the new first disc valve plate 12 and the new second disc valve plate 13 can be respectively placed on the side surfaces of the butterfly valves, when the first disc valve plate 12 and the second disc valve plate 13 are placed into the expansion butterfly valve body 1 from the butterfly valves, the rectangular rod 49 is pulled to enable the insert blocks 47 to move downwards through the moving plates 46, so that the first disc valve plate 12 and the second disc valve plate 13 are attached to the valve rod 3, the square rod 41 penetrates through the through holes 42, the square rod 41 is inserted into the hollow blocks 43, the insert blocks 47 can be inserted into the insertion holes 411 through the force of the springs 45, so that the first disc valve plate 12 and the second disc valve plate 13 can be connected together conveniently and installed later, and the through holes formed in the butterfly valves are relatively convenient to operate by one person, and then the bolts 2 are inserted into the through holes to be fixed through the nuts 22, so that replacement is convenient when the valve plates are damaged, and maintenance is reduced;
the expansion butterfly valve body 1 is internally provided with a corrosion-resistant steel plate 14.
By adopting the technical scheme, the corrosion resistance is improved.
The springs 45 are three, and the array of springs 45 is distributed between the square groove 44 and the moving plate 46.
By adopting the technical scheme, the connection is more stable.
Arc-shaped sealing rings 131 are arranged on the first disc valve plate 12 and the second disc valve plate 13, and the arc-shaped sealing rings 131 are movably attached to the valve rod 3.
By adopting the technical scheme, the tightness is improved.
Working principle: when the first disc valve plate 12 and the second disc valve plate 13 of the device are damaged and need to be replaced, the first disc valve plate 12 and the second disc valve plate 13 of the device can be separated from the bolt 2 by rotating the nut 22, the bolt 2 can be pulled out of the through hole 21, the square rod 49 is pulled downwards to drive the movable plate 46 to move, so that the insert block 47 is separated from the jack 411, the first disc valve plate 12 and the second disc valve plate 13 can be taken off from the side surface of the butterfly valve, the new first disc valve plate 12 and the second disc valve plate 13 can be respectively placed on the side surface of the butterfly valve, when the first disc valve plate 12 and the second disc valve plate 13 are placed in the butterfly valve from the inside of the expansion butterfly valve body 1, the insert block 47 is downwards moved through the movable plate 46, the first disc valve plate 12 and the second disc valve plate 13 are attached to the valve rod 3, the square rod 41 penetrates through the through hole 42, the square rod 41 is inserted into the inside the hollow block 43, the insert block 47 can be inserted into the jack 411 through the force of the spring 45, so that the first disc 12 and the second disc valve plate 13 can be connected together, the subsequent disc valve plate 13 can be conveniently replaced by one person, the corresponding through the through hole 22 is convenient to be installed, and the cost is reduced, and the corresponding through the through hole is convenient to be replaced, and the bolt is convenient to be replaced after the nut is convenient to be replaced.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. The utility model provides a pneumatic expansion butterfly valve, includes expansion butterfly valve body (1), first disc valve plate (12) and second disc valve plate (13), its characterized in that: the expansion butterfly valve is characterized in that the expansion butterfly valve body (1) is connected with a valve rod (3), a first disc valve plate (12) is movably attached to the outer side surface of the valve rod (3), a second disc valve plate (13) is movably attached to the outer side surface of the valve rod (3), the first disc valve plate (12) is movably attached to the second disc valve plate (13), and a pre-connection assembly (4) is connected to the first disc valve plate (12) and the second disc valve plate (13);
the pre-connection assembly (4) comprises a square rod (41), the square rod (41) is fixedly connected to one side, close to the valve rod (3), of the second disc valve plate (13), a jack (411) is formed in the lower surface of the square rod (41), a through hole (42) is formed in the first disc valve plate (12), the square rod (41) movably penetrates through the through hole (42), a hollow block (43) is fixedly arranged on one side, far away from the valve rod (3), of the second disc valve plate (13), the square rod (41) is movably inserted into the hollow block (43), a square groove (44) is formed in the inner surface of the hollow block (43), a spring (45) is fixedly arranged in the square groove (44), a movable plate (46) is fixedly arranged at the lower end of the spring (45), the inner surface of the movable plate (46) is in sliding fit with the square groove (44), an inserting block (47) is fixedly arranged on the upper surface of the movable plate (46), the inserting block (47) is movably inserted into the jack (411), a rectangular groove (48) is formed in the side surface of the hollow block (43), and the movable plate (48) is fixedly connected with the rectangular groove (48).
2. A pneumatic expansion butterfly valve as claimed in claim 1, wherein the first disc valve plate (12), the second disc valve plate (13) and the valve rod (3) are provided with through holes, a bolt (2) is movably inserted in the through holes, and a nut (22) is sleeved on the outer side surface of the bolt (2).
3. A pneumatic expansion butterfly valve according to claim 1, characterized in that the inside of the expansion butterfly valve body (1) is provided with a corrosion resistant steel plate (14).
4. A pneumatic expansion butterfly valve according to claim 1, characterized in that said springs (45) are three and that the array of springs (45) is distributed between the square groove (44) and the moving plate (46).
5. A pneumatic expansion butterfly valve according to claim 1, characterized in that the square bars (41) are provided in two, and that the square bars (41) are symmetrically arranged on the side of the second disc valve plate (13).
6. A pneumatic expansion butterfly valve according to claim 1, characterized in that said rectangular rod (49) has a "T" shaped cross-section.
7. A pneumatic expansion butterfly valve according to claim 1, wherein the first disc valve plate (12) and the second disc valve plate (13) are provided with arc-shaped sealing rings (131), and the arc-shaped sealing rings (131) are movably attached to the valve rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322251116.XU CN220600463U (en) | 2023-08-21 | 2023-08-21 | Pneumatic expansion butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322251116.XU CN220600463U (en) | 2023-08-21 | 2023-08-21 | Pneumatic expansion butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220600463U true CN220600463U (en) | 2024-03-15 |
Family
ID=90176606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322251116.XU Active CN220600463U (en) | 2023-08-21 | 2023-08-21 | Pneumatic expansion butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220600463U (en) |
-
2023
- 2023-08-21 CN CN202322251116.XU patent/CN220600463U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3051435A (en) | Valve | |
| CN208519198U (en) | A kind of low noise air bladder bellows self-sealing single-seat adjusting valve | |
| CN220600463U (en) | Pneumatic expansion butterfly valve | |
| ES2839873T3 (en) | Flexible stem bellows assembly | |
| CN109578596B (en) | Manually-controlled shutter valve | |
| CN204878818U (en) | Telescopic sphere rotates case and does not have wearing and tearing pressure boost ball valve | |
| CN204878837U (en) | Turbocharging system of pressure boost ball valve and do not have wearing and tearing pressure boost ball valve | |
| CN203223592U (en) | Center-line soft-seal three-way butterfly valve | |
| CN110848429A (en) | Cut-off double-purpose valve | |
| CN109488780A (en) | It is a kind of without abrasion fluid erosion prevention clutch valve | |
| CN209569359U (en) | A kind of rotational valve core and without abrasion fluid erosion prevention clutch valve | |
| KR200459041Y1 (en) | Disk tool for packless valve | |
| CN209925671U (en) | Floating upper-mounted ball valve | |
| CN204420200U (en) | Cylinder-rotating three-way diverter valve | |
| CN209569360U (en) | Without abrasion fluid erosion prevention clutch valve | |
| CN107461509A (en) | A kind of high reliability elastic soft sealing gate valve | |
| CN209569361U (en) | A kind of valve rod base and without abrasion fluid erosion prevention clutch valve | |
| CN218992379U (en) | Clamp type butterfly valve | |
| CN207229794U (en) | A kind of good flat gate valve of sealing effect | |
| CN85204475U (en) | Expansive sealing assembly for valves | |
| CN206723507U (en) | A kind of special fixing ball valve of the coal chemical industry of on-bne repair | |
| CN219866746U (en) | Butterfly valve capable of being assembled and disassembled quickly | |
| CN106426003B (en) | High-pressure flat gate valve valve seat extractor | |
| CN215861824U (en) | Hydraulic forced sealing valve seat of stop valve | |
| CN220378929U (en) | Friction-free ball valve ball |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |