CN220354490U - Low-leakage light ventilation butterfly valve - Google Patents
Low-leakage light ventilation butterfly valve Download PDFInfo
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- CN220354490U CN220354490U CN202321514745.0U CN202321514745U CN220354490U CN 220354490 U CN220354490 U CN 220354490U CN 202321514745 U CN202321514745 U CN 202321514745U CN 220354490 U CN220354490 U CN 220354490U
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- 238000009423 ventilation Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000004033 plastic Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims 2
- 239000002985 plastic film Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 22
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a low-leakage light-weight ventilation butterfly valve, which belongs to the technical field of butterfly valves and comprises a valve body, wherein a valve plate is connected in the valve body through a valve rod in a rotating way, a driving part is connected at the top of the valve rod in a rotating way, the driving part is fixedly arranged at the top of the valve body, energy absorbing mechanisms are arranged on two sides of the valve plate, sealing mechanisms are connected at the periphery of one side of the valve plate in a sliding way, and sliding grooves are formed in the periphery of one side of the valve plate. According to the utility model, when the medium is contacted with the first energy absorption sheet and the second energy absorption sheet, the first energy absorption sheet and the second energy absorption sheet can reduce the impact frequency vibration of the medium by utilizing the self elasticity, and when the first energy absorption sheet and the second energy absorption sheet are impacted by air, the adjacent first energy absorption sheet slides outwards to further absorb the impact of the medium, so that the impact of the medium impact on the valve plate and the valve rod connecting position is effectively reduced, the stability of the valve body and the valve plate device is improved, and the use requirement is met.
Description
Technical Field
The utility model belongs to the technical field of butterfly valves, and particularly relates to a low-leakage light ventilation butterfly valve.
Background
The ventilation butterfly valve is widely applied to ventilation gas pipelines in the industries of metallurgy, building materials, chemical industry, power stations, glass and the like, is used as a regulating or cutting-off device when ventilation gas medium flows, and can be matched with various actuators to form different performance devices.
Chinese patent document CN215763331U discloses a low leakage light ventilation butterfly valve comprising: the valve rod is connected with the valve plate, the valve rod can drive the valve plate to rotate, the low-leakage light-duty ventilation butterfly valve still includes valve body and valve pocket, the valve body is provided with the upper junction plate, the valve pocket is provided with the lower junction plate, the upper junction plate is connected with the lower junction plate, the valve plate set up in the space of valve body inside, the valve rod passes from the valve pocket is inside, the low-leakage light-duty ventilation butterfly valve still includes the closure, the closure lateral wall inlays between valve rod and valve pocket. The sealing piece side wall is embedded between the valve rod and the valve sleeve, so that gaps between the valve rod and the valve sleeve are reduced, fluid is prevented from flowing out from the valve rod and the valve sleeve when the valve rod rotates, leakage is prevented from occurring when the fluid is blocked by the sealing piece, and tightness is improved.
Disclosure of Invention
The utility model aims at: in order to solve the problem that when the sealing element seals the valve plate, the medium can impact the valve plate due to the sealing effect, so that the valve plate and the inner valve rod are impacted greatly, and sealing errors are easy to occur, the low-leakage light ventilation butterfly valve is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a low leakage light-duty ventilation butterfly valve, includes the valve body, rotate through the valve rod in the valve body and be connected with the valve plate, and the valve rod top rotates and be connected with drive division, and drive division fixed mounting is at the valve body top, the valve plate both sides all are equipped with energy-absorbing mechanism, and the equal sliding connection of valve plate one side department all around has closing mechanism, the spout has all been seted up around valve plate one side, and energy-absorbing mechanism includes sliding sleeve in the spout, and sliding connection has the slide bar in the slide bar, and slide bar both ends fixed connection is in spout inner chamber both sides, and a plurality of first energy-absorbing pieces of sliding sleeve one side fixed connection, closing mechanism includes sealing gasket around the valve plate, and closing gasket sliding connection is in valve plate one side.
As a further description of the above technical solution:
the cross section of each first energy absorbing piece is arc-shaped, a second energy absorbing piece is fixedly connected between every two adjacent first energy absorbing pieces, the cross section of each second energy absorbing piece is arc-shaped, and the first energy absorbing pieces and the second energy absorbing pieces are elastic plastic pieces.
As a further description of the above technical solution:
the sealing gasket strip is characterized in that a connecting rod is fixedly connected to the inner side of the sealing gasket strip, a sealing plate is fixedly connected to one side of the connecting rod, a telescopic rod is fixedly connected to one end of the connecting rod, a fixing plate is fixedly connected to one end of the telescopic rod, the fixing plate is fixedly connected to one side of an inner cavity of a groove body formed in one side of a valve plate, a spring is sleeved on the outer side wall of the telescopic rod, and two ends of the spring are respectively fixedly connected with the sealing plate and one side of a fixing part of the telescopic rod.
As a further description of the above technical solution:
the cross section of the sealing plate is inclined conical, and the sealing plates are annularly distributed.
As a further description of the above technical solution:
the cross section of the sealing gasket strip is arc-shaped, and the sealing gasket strip is an elastic plastic strip.
As a further description of the above technical solution:
the valve body both sides homogeneity body coupling has the ring flange, and a plurality of connecting screw has been seted up to ring flange one side.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the valve body device, when the medium flows and impacts to the top of the valve plate, when the medium contacts with the first energy absorption piece and the second energy absorption piece, the first energy absorption piece and the second energy absorption piece can reduce the impact frequency vibration of the medium by utilizing the self elasticity, and when the first energy absorption piece and the second energy absorption piece are impacted by air, the adjacent first energy absorption piece slides outwards to further absorb the impact of the medium, so that the impact of the medium impact on the valve plate and the connecting position of the valve rod is effectively reduced, the stability of the valve body and the valve plate device is improved, and the use requirement is met.
2. According to the utility model, when a medium moves to the valve plate, the impact force of the medium can impact the sealing plate, the sealing plate can move outwards under the impact of the medium, the outwards moved sealing plate can slide in the groove body through the connecting rod, the bottom telescopic rod and the spring can be pulled when the connecting rod moves, the sealing gasket strip can be driven to move outwards when the connecting rod moves, the gap between the valve plate and the inner side of the valve body can be fully filled by the sealing gasket strip, the sealing effect of the valve plate is improved, the leakage of the medium from the valve plate is effectively avoided, the sealing gasket strip can be fully attached to the inner side of the valve body when the impact of the medium is increased, and the sealing stability after the valve plate device is improved
Drawings
FIG. 1 is a schematic diagram of the overall structure of a low leakage light-duty ventilation butterfly valve according to the present utility model;
FIG. 2 is a schematic side view of a low leakage light-duty butterfly valve with ventilation according to the present utility model;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2 according to the present utility model;
fig. 4 is a schematic diagram of an explosion detaching structure of a low-leakage light-weight ventilation butterfly valve according to the present utility model.
Legend description:
1. a valve body; 2. a valve plate; 3. a driving section; 4. a closing mechanism; 401. a closing plate; 402. a telescopic rod; 403. a fixing plate; 404. a spring; 405. a connecting rod; 406. a sealing gasket strip; 5. an energy absorbing mechanism; 501. a first energy absorbing sheet; 502. a second energy absorbing sheet; 503. a sliding sleeve; 504. and a slide 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.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a low leakage light-duty ventilation butterfly valve, including valve body 1, be connected with valve plate 2 through the valve rod rotation in the valve body 1, and valve rod top rotation is connected with drive portion 3, and drive portion 3 fixed mounting is at valve body 1 top, valve plate 2 both sides all are equipped with energy-absorbing mechanism 5, and valve plate 2 one side all sliding connection has closed mechanism 4 all around, the spout has all been seted up around valve plate 2 one side, and energy-absorbing mechanism 5 includes sliding connection's sliding sleeve 503 in the spout, and sliding connection has slide bar 504 in slide bar 504, and slide bar 504 both ends fixed connection is in spout inner chamber both sides, and sliding sleeve 503 one side fixedly connected with a plurality of first energy-absorbing pieces 501, closed mechanism 4 is including sealing gasket strip 406 of sliding connection around valve plate 2, and sealing gasket strip sliding connection is in valve plate 2 one side, first energy-absorbing piece 501 cross section shape is the arc, first energy-absorbing piece 501 and second energy-absorbing piece 502 through the arc setting, can guarantee the energy-absorbing guiding effect, and can reduce air flow noise in step, and adjacent first energy-absorbing piece 501 fixedly connected with second energy-absorbing piece 502, and first energy-absorbing piece 501 and second energy-absorbing piece 502 sliding connection have the slide bar piece to slide bar 1, the elasticity piece is the flange plate 1, the flange plate is connected with a plurality of flange plate 1, the flange plate is connected with one side through the flange plate, the flange plate is connected with the flange plate 1, the flange plate is designed to a plurality of flange plate is more than the flange plate.
The implementation mode specifically comprises the following steps: when the valve body 1 device is used, when a medium flows and impacts to the top of the valve plate 2, as the valve plate 2 is a light mechanism, in order to reduce the impact of the medium, when the medium contacts with the first energy absorption piece 501 and the second energy absorption piece 502, the first energy absorption piece 501 and the second energy absorption piece 502 can utilize self elasticity to reduce the impact frequency vibration of the medium, and when the first energy absorption piece 501 and the second energy absorption piece 502 are impacted by air, the first energy absorption piece 501 can bear force to slide outside the sliding rod 504 through the rear sliding sleeve 503, so that the impact of the medium can be further absorbed through the outward sliding of the adjacent first energy absorption piece 501, the impact of the medium to the valve plate 2 and the valve rod connecting position can be effectively reduced, the stability of the valve body 1 and the valve plate 2 device is improved, and the use requirement is met.
Referring to fig. 4, a connecting rod 405 is fixedly connected to the inner side of a sealing gasket strip 406, a sealing plate 401 is fixedly connected to one side of the connecting rod 405, a telescopic rod 402 is fixedly connected to one end of the connecting rod 405, a fixing plate 403 is fixedly connected to one end of the telescopic rod 402, the fixing plate 403 is fixedly connected to one side of a groove body cavity formed in one side of a valve plate 2, a spring 404 is sleeved on the outer side wall of the telescopic rod 402, two ends of the spring 404 are fixedly connected to one side of the sealing plate 401 and one side of a fixing portion of the telescopic rod 402 respectively, the cross section of the sealing plate 401 is in an inclined conical shape, a plurality of sealing plates 401 are annularly distributed, the cross section of the sealing gasket strip 406 is in an arc shape, and the sealing gasket strip 406 is an elastic plastic strip.
The implementation mode specifically comprises the following steps: through the sealing gasket strip 406 of design, when the medium removes valve plate 2, the impact force of medium can strike the closure plate 401, the closure plate 401 can outside remove under the impact of medium, outside removal's closure plate 401 can slide in the cell body through connecting rod 405, can pull downside telescopic link 402 and spring 404 when connecting rod 405 removes, and can outwards remove through driving outside sealing gasket strip 406 when connecting rod 405 removes, sealing gasket strip 406 can fully fill the gap of valve plate 2 and valve body 1 inboard, thereby can improve the closure effect of valve plate 2, then can effectively avoid the medium to leak from valve plate 2, and sealing gasket strip 406 can fully laminate with valve body 1 inboard when the medium impact increases, improve the sealing stability behind the valve plate 2 device.
Working principle: when the valve body 1 is used, when a medium flows and impacts to the top of the valve plate 2, as the valve plate 2 is a light mechanism, in order to reduce the impact of the medium, the first energy-absorbing sheet 501 and the second energy-absorbing sheet 502 can reduce the impact frequency vibration of the medium by utilizing the self elasticity when the medium contacts the first energy-absorbing sheet 501 and the second energy-absorbing sheet 502, and when the first energy-absorbing sheet 501 and the second energy-absorbing sheet 502 are impacted by air, the first energy-absorbing sheet 501 can bear force to slide outside the slide bar 504 through the rear sliding sleeve 503 so as to further absorb the impact of the medium;
when the medium moves to the valve plate 2, the impact force of the medium can impact the sealing plate 401, the sealing plate 401 can move outwards under the impact of the medium, the outwards moving sealing plate 401 can slide in the groove body through the connecting rod 405, the bottom telescopic rod 402 and the spring 404 can be pulled when the connecting rod 405 moves, the sealing gasket strip 406 can be driven to move outwards when the connecting rod 405 moves, the sealing gasket strip 406 can fully fill the gap between the valve plate 2 and the inner side of the valve body 1, and the sealing effect of the valve plate 2 is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a low leakage light-duty ventilation butterfly valve, includes valve body (1), be connected with valve plate (2) through the valve rod rotation in valve body (1), and valve rod top rotation is connected with drive portion (3), and drive portion (3) fixed mounting is at valve body (1) top, a serial communication port, valve plate (2) both sides all are equipped with energy-absorbing mechanism (5), and valve plate (2) one side department all sliding connection all have closing mechanism (4) all around, the spout has all been seted up around valve plate (2) one side, and energy-absorbing mechanism (5) include sliding sleeve (503) of sliding connection in the spout, and sliding rod (504) sliding connection has slide rod (504), and slide rod (504) both ends fixedly connected with are in spout inner chamber both sides, and sliding sleeve (503) one side fixedly connected with a plurality of first energy-absorbing piece (501), closing mechanism (4) are including sealing filler strip (406) of sliding connection around valve plate (2), and sealing filler strip sliding connection is in valve plate (2) one side.
2. The low-leakage light ventilation butterfly valve of claim 1, wherein the cross-sectional shape of the first energy absorbing sheet (501) is arc-shaped, a second energy absorbing sheet (502) is fixedly connected between adjacent first energy absorbing sheets (501), the cross-sectional shape of the second energy absorbing sheet (502) is arc-shaped, and the first energy absorbing sheet (501) and the second energy absorbing sheet (502) are elastic plastic sheets.
3. The low-leakage light-duty ventilation butterfly valve according to claim 1, wherein a connecting rod (405) is fixedly connected to the inner side of the sealing gasket strip (406), a sealing plate (401) is fixedly connected to one side of the connecting rod (405), a telescopic rod (402) is fixedly connected to one end of the connecting rod (405), a fixing plate (403) is fixedly connected to one end of the telescopic rod (402), the fixing plate (403) is fixedly connected to one side of a groove body cavity formed in one side of the valve plate (2), a spring (404) is sleeved on the outer side wall of the telescopic rod (402), and two ends of the spring (404) are fixedly connected to one side of the sealing plate (401) and one side of a fixing part of the telescopic rod (402) respectively.
4. A low leakage light duty ventilation butterfly valve according to claim 3, characterized in that the cross-sectional shape of the closing plate (401) is an inclined cone, and the plurality of closing plates (401) are arranged in a ring shape.
5. The low leakage, lightweight, ventilated butterfly valve of claim 1, wherein the gasket strip (406) is arcuate in cross-sectional shape and the gasket strip (406) is a resilient plastic strip.
6. The low-leakage light-weight ventilation butterfly valve according to claim 1, wherein flanges are uniformly connected to two sides of the valve body (1), and a plurality of connecting screw holes are formed in one side of each flange.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321514745.0U CN220354490U (en) | 2023-06-08 | 2023-06-08 | Low-leakage light ventilation butterfly valve |
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Application Number | Priority Date | Filing Date | Title |
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CN202321514745.0U CN220354490U (en) | 2023-06-08 | 2023-06-08 | Low-leakage light ventilation butterfly valve |
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CN220354490U true CN220354490U (en) | 2024-01-16 |
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CN202321514745.0U Active CN220354490U (en) | 2023-06-08 | 2023-06-08 | Low-leakage light ventilation butterfly valve |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118049533A (en) * | 2024-04-12 | 2024-05-17 | 点夺机电工程江苏有限公司 | Pipeline separation valve with buffering and impurity accumulation prevention functions |
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2023
- 2023-06-08 CN CN202321514745.0U patent/CN220354490U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118049533A (en) * | 2024-04-12 | 2024-05-17 | 点夺机电工程江苏有限公司 | Pipeline separation valve with buffering and impurity accumulation prevention functions |
CN118049533B (en) * | 2024-04-12 | 2024-06-28 | 点夺机电工程江苏有限公司 | Pipeline separation valve with buffering and impurity accumulation prevention functions |
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