CN220118672U - Two-way sealing butterfly valve - Google Patents
Two-way sealing butterfly valve Download PDFInfo
- Publication number
- CN220118672U CN220118672U CN202321729649.8U CN202321729649U CN220118672U CN 220118672 U CN220118672 U CN 220118672U CN 202321729649 U CN202321729649 U CN 202321729649U CN 220118672 U CN220118672 U CN 220118672U
- Authority
- CN
- China
- Prior art keywords
- butterfly valve
- valve body
- fixedly connected
- worm
- sealing
- 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.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 44
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 22
- 239000011241 protective layer Substances 0.000 claims description 14
- 238000004321 preservation Methods 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a bidirectional sealing butterfly valve, which comprises a butterfly valve body, wherein a sealing plate is arranged in the butterfly valve body, the bottom of the sealing plate is fixedly connected with a rotating shaft, the rotating shaft is in rotating connection with the butterfly valve body, the top of the sealing plate is fixedly connected with a rotating rod, the rotating rod penetrates through the butterfly valve body and is in rotating connection with the butterfly valve body, the top of the butterfly valve body is fixedly connected with a fixed block, the rotating rod penetrates through the fixed block and is in rotating connection with the fixed block, the top of the rotating rod is fixedly connected with a worm wheel, the worm wheel is meshed with a worm, the worm penetrates through the fixed block and is in rotating connection with the fixed block, one end of the worm, which is far away from the fixed block, is fixedly connected with a hand wheel, and two sealing rings are fixedly connected on the sealing plate. According to the utility model, the stability of the sealing plate during plugging can be ensured through the self-locking property of the worm gear and the worm, and the tightness is ensured by the arranged double-layer sealing ring.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a two-way sealing butterfly valve.
Background
The butterfly valve is called as a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media.
When the existing butterfly valve is used, for example, in a butterfly valve with the application number of CN201320461809.5, the butterfly plate rotates around a valve shaft, but under the impact of conveyed media, the butterfly plate receives pressure to rotate around the valve shaft by a certain angle, so that the sealing effect of the butterfly valve is poor during plugging.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a bidirectional sealing butterfly valve, which can ensure the stability of a sealing plate during plugging through the self-locking property of a worm gear and a worm, and the sealing property of the double-layer sealing ring is ensured.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a two-way seal butterfly valve, includes the butterfly valve body, this internal closing plate that is equipped with of butterfly valve, the bottom fixedly connected with rotation axis of closing plate, the rotation axis rotates with the butterfly valve body to be connected, the top fixedly connected with rotary rod of closing plate, the rotary rod runs through the butterfly valve body and rotates rather than being connected, the top fixedly connected with fixed block of butterfly valve body, the rotary rod runs through the fixed block and rotates rather than being connected, the top fixedly connected with worm wheel of rotary rod, the worm wheel meshing has the worm, the worm runs through the fixed block and rotates rather than being connected, the one end fixedly connected with hand wheel of fixed block is kept away from to the worm, fixedly connected with two sealing washer on the closing plate.
Preferably, the rotating shaft penetrates through the butterfly valve body, and a bearing is arranged between the rotating shaft and the butterfly valve body.
Preferably, the outer wall of the hand wheel is sleeved with a protective layer, and the protective layer is made of silica gel.
Preferably, the sealing ring is made of nitrile rubber.
Preferably, the sealing ring is propped against the inner wall of the butterfly valve body.
Preferably, the inner wall fixedly connected with filter screen of butterfly valve body, the top fixedly connected with motor of butterfly valve body, the output fixedly connected with reciprocating screw of motor, reciprocating screw runs through the butterfly valve body and rotates rather than being connected, the outer wall cover of reciprocating screw is equipped with the slide, the inner wall fixedly connected with slide bar of butterfly valve body, the slide bar runs through the slide and rather than sliding connection, the one end that the slide is close to the filter screen is equipped with a plurality of brushes.
Preferably, the material of butterfly valve body sets gradually to first protective layer, heat preservation, basic unit and second protective layer from inside to outside.
Preferably, the material of the first protection layer is PTFE material, and the material of the second protection layer is paint spraying material.
Preferably, the heat-insulating layer is made of rock wool.
Preferably, the base layer is made of stainless steel metal alloy.
Compared with the prior art, the utility model has the beneficial effects that:
1. staff holds the hand wheel and rotates and drive worm, worm wheel, rotary rod, closing plate and rotation axis to rotate, can control the transport velocity of flow of medium through the closing plate rotation, satisfies different operation needs.
2. The output end through drives and rotates, makes go on going up and down to remove, and the brush that drives through the reciprocates removes, can clear up, avoids taking place to block up, has guaranteed the normal flow of medium.
In conclusion, stability of the sealing plate during plugging can be guaranteed through self-locking of the worm gear and the worm, and tightness is guaranteed by the arranged double-layer sealing ring.
Drawings
FIG. 1 is a cross-sectional view of a bi-directional seal butterfly valve according to example 1;
FIG. 2 is a side view of a seal plate in a bi-directional seal butterfly valve as set forth in example 1;
FIG. 3 is a cross-sectional view of a bi-directional seal butterfly valve according to example 2;
fig. 4 is a schematic structural diagram of a bidirectional sealing butterfly valve according to embodiment 3.
In the figure: 1 butterfly valve body, 2 closing plate, 3 rotation axis, 4 rotary rod, 5 fixed block, 6 worm wheel, 7 worm, 8 hand wheel, 9 sealing washer, 10 filter screen, 11 motor, 12 reciprocating lead screw, 13 slide, 14 slide bar, 15 first protective layer, 16 heat preservation, 17 basic unit, 18 second protective layer.
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.
Example 1
Referring to fig. 1-2, a bidirectional sealing butterfly valve, including butterfly valve body 1, be equipped with closing plate 2 in butterfly valve body 1, closing plate 2's bottom fixedly connected with rotation axis 3, rotation axis 3 rotates with butterfly valve body 1 to be connected, rotation axis 3 runs through butterfly valve body 1 and sets up, install the bearing between rotation axis 3 and the butterfly valve body 1, closing plate 2's top fixedly connected with rotary rod 4, rotary rod 4 runs through butterfly valve body 1 and rotates rather than being connected, butterfly valve body 1's top fixedly connected with fixed block 5, rotary rod 4 runs through fixed block 5 and rotates rather than being connected, rotary rod 4's top fixedly connected with worm wheel 6, worm wheel 6 meshing has worm 7, worm 7 runs through fixed block 5 and rotates rather than being connected, worm 7 keeps away from fixed block 5's one end fixedly connected with hand wheel 8, the outer wall cover of hand wheel 8 is equipped with the one deck protective layer, the material of protective layer is silica gel, fixedly connected with two sealing washer 9 on the closing plate 2, sealing washer 9's material is nitrile rubber, sealing washer 9 offsets with butterfly valve body 1's inner wall.
Further explaining, when the flow control is needed to be carried out on the medium, a worker holds the hand wheel 8 to rotate at the moment so as to drive the worm 7, the worm wheel 6, the rotary rod 4, the sealing plate 2 and the rotary shaft 3 to rotate, and the conveying flow rate of the medium can be controlled through the rotation of the sealing plate 2, so that different use requirements are met; when sealing, the two sealing rings 9 can play a double-layer sealing role, and the bidirectional medium at the input end and the output end is sealed, so that the sealing performance is guaranteed to be good.
Example 2
Referring to fig. 1-3, in this embodiment, unlike embodiment 1, the inner wall of the butterfly valve body 1 is fixedly connected with the filter screen 10, the top of the butterfly valve body 1 is fixedly connected with the motor 11, the output end of the motor 11 is fixedly connected with the reciprocating screw rod 12, the reciprocating screw rod 12 penetrates through the butterfly valve body 1 and is rotationally connected with the same, the outer wall of the reciprocating screw rod 12 is sleeved with the sliding plate 13, the inner wall of the butterfly valve body 1 is fixedly connected with the sliding rod 14, the sliding rod 14 penetrates through the sliding plate 13 and is slidingly connected with the sliding plate, and one end of the sliding plate 13 close to the filter screen 10 is provided with a plurality of brushes.
Further explaining, when the medium is conveyed, solid particle impurities in the medium can be filtered through the filter screen 10, so that the subsequent pipelines are prevented from being blocked; the motor 11 is started, the output end of the motor 11 drives the reciprocating screw rod 12 to rotate, the sliding plate 13 is lifted and moved on the sliding rod 14, the sliding plate 13 moves up and down to drive the hairbrush on the sliding plate 13 to move, the filter screen 10 can be cleaned, the filter screen 10 is prevented from being blocked, and the normal flow of media is ensured.
Example 3
Referring to fig. 1-4, the difference between this embodiment and embodiments 1 and 2 is that the material of the butterfly valve body 1 in this embodiment is sequentially set from inside to outside to be a first protection layer 15, a heat insulation layer 16, a base layer 17 and a second protection layer 18, the material of the first protection layer 15 is PTFE, the material of the second protection layer 18 is paint-sprayed, the material of the heat insulation layer 16 is rock wool, and the material of the base layer 17 is stainless steel metal alloy.
Further explaining, can play good chemical resistance and stability to the medium of inside circulation through the first protective layer 15 that sets up, play thermal-insulated effect through the heat preservation layer 16 that sets up, can guarantee hardness and intensity of this device through the basic unit 17 that sets up, can keep off oxygen through the second protective layer 18 that sets up, avoid oxidation, extension device's life.
Claims (10)
1. The utility model provides a two-way seal butterfly valve, includes butterfly valve body (1), its characterized in that, be equipped with closing plate (2) in butterfly valve body (1), the bottom fixedly connected with rotation axis (3) of closing plate (2), rotation axis (3) are connected with butterfly valve body (1) rotation, the top fixedly connected with rotary rod (4) of closing plate (2), rotary rod (4) run through butterfly valve body (1) and rather than rotating the connection, the top fixedly connected with fixed block (5) of butterfly valve body (1), rotary rod (4) run through fixed block (5) and rather than rotating the connection, the top fixedly connected with worm wheel (6) of rotary rod (4), worm wheel (6) meshing has worm (7), worm (7) run through fixed block (5) and rather than rotating the connection, one end fixedly connected with hand wheel (8) of fixed block (5) are kept away from to worm (7), fixedly connected with two sealing washer (9) on closing plate (2).
2. The bi-directional sealing butterfly valve according to claim 1, wherein the rotating shaft (3) is arranged through the butterfly valve body (1), and a bearing is arranged between the rotating shaft (3) and the butterfly valve body (1).
3. The bi-directional sealing butterfly valve according to claim 1, wherein a protective layer is sleeved on the outer wall of the hand wheel (8), and the protective layer is made of silica gel.
4. A bi-directional sealing butterfly valve according to claim 1, wherein the sealing ring (9) is made of nitrile rubber.
5. A bi-directional sealing butterfly valve according to claim 1, wherein the sealing ring (9) is arranged against the inner wall of the butterfly valve body (1).
6. The bidirectional sealing butterfly valve according to claim 1, wherein the inner wall of the butterfly valve body (1) is fixedly connected with a filter screen (10), the top of the butterfly valve body (1) is fixedly connected with a motor (11), the output end of the motor (11) is fixedly connected with a reciprocating screw rod (12), the reciprocating screw rod (12) penetrates through the butterfly valve body (1) and is rotationally connected with the same, the outer wall of the reciprocating screw rod (12) is sleeved with a sliding plate (13), the inner wall of the butterfly valve body (1) is fixedly connected with a sliding rod (14), the sliding rod (14) penetrates through the sliding plate (13) and is in sliding connection with the sliding rod, and one end, close to the filter screen (10), of the sliding plate (13) is provided with a plurality of brushes.
7. The bi-directional sealing butterfly valve according to claim 1, wherein the butterfly valve body (1) is made of a first protection layer (15), a heat preservation layer (16), a base layer (17) and a second protection layer (18) sequentially from inside to outside.
8. The butterfly valve according to claim 7, wherein the first protective layer (15) is made of PTFE and the second protective layer (18) is made of paint.
9. The bi-directional sealing butterfly valve of claim 7 wherein the insulating layer (16) is rock wool.
10. A bi-directional sealing butterfly valve according to claim 7, wherein the base layer (17) is made of a stainless steel metal alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321729649.8U CN220118672U (en) | 2023-07-04 | 2023-07-04 | Two-way sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321729649.8U CN220118672U (en) | 2023-07-04 | 2023-07-04 | Two-way sealing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118672U true CN220118672U (en) | 2023-12-01 |
Family
ID=88896794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321729649.8U Active CN220118672U (en) | 2023-07-04 | 2023-07-04 | Two-way sealing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118672U (en) |
-
2023
- 2023-07-04 CN CN202321729649.8U patent/CN220118672U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |