CN210344323U - Butterfly valve plate sealing protection device - Google Patents
Butterfly valve plate sealing protection device Download PDFInfo
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- CN210344323U CN210344323U CN201921360458.2U CN201921360458U CN210344323U CN 210344323 U CN210344323 U CN 210344323U CN 201921360458 U CN201921360458 U CN 201921360458U CN 210344323 U CN210344323 U CN 210344323U
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- valve plate
- butterfly valve
- protection seat
- rotating shaft
- cavity
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Abstract
The utility model discloses a butterfly valve plate seals protection device, including butterfly valve body, valve rod and valve plate, the side of valve plate is equipped with the soft sealing layer, the right-hand member rigid coupling of valve plate has a protection seat, the left surface of protection seat adopts the arc structure, and the fixed surface of arc structure pastes and is equipped with bar elastic airbag, a horizontally inlet opening has been seted up to the right flank of protection seat, the inlet opening intercommunication has the play basin that a slope set up, and goes out the bottom that the lower extreme of basin is located the protection seat, the inside drive mechanism who still is equipped with cooperation bar elastic airbag of protection seat. The utility model discloses can protect the soft sealing layer of valve plate side, prevent that it from receiving the front of carrying medium and erode to can guarantee the sealed effect of valve plate and soft sealing layer, prolong the holistic life of valve, and can guarantee production efficiency.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to butterfly valve plate seals protection device.
Background
The butterfly valve is a valve frequently used on a fluid medium conveying pipeline, when a valve plate of the butterfly valve is in an open state, a soft sealing layer on the side surface of the valve plate of the butterfly valve is damaged after being washed by the front surface of a conveying medium for a long time, and the service life of the valve is shortened; and the medium leakage can be caused after the valve sealing is failed, thereby causing the forced stop of the production and reducing the production efficiency.
To this end, we propose a butterfly valve plate seal protection device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem in the background art, and the butterfly valve plate sealing protection device who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme: butterfly valve plate seals protection device, including butterfly valve body, valve rod and valve plate, the side of valve plate is equipped with the soft sealing layer, the right-hand member rigid coupling of valve plate has a protection seat, the left surface of protection seat adopts the arc structure, and the fixed surface of arc structure pastes and is equipped with bar elasticity gasbag, a horizontally inlet opening has been seted up to the right flank of protection seat, the inlet opening intercommunication has the play basin that a slope set up, and goes out the bottom that the lower extreme of basin is located the protection seat, the inside drive mechanism who still is equipped with cooperation bar elasticity gasbag of protection seat.
In foretell butterfly valve plate seal protection device, drive mechanism includes the first axis of rotation of rotating the connection on the play basin inside wall, fixed cover is equipped with two impellers in the first axis of rotation, still seted up the mounting groove on the play basin roof, the inside second axis of rotation that rotates and be connected with vertical setting of mounting groove, wherein fixed cover in first axis of rotation middle part has connect first bevel gear, the fixed cover in second axis of rotation bottom has connect second bevel gear, and first bevel gear and second bevel gear meshing, fixed cover in second axis of rotation middle part has connect the friction ring, still the rigid coupling has an arc friction disc with the friction ring contact all the time on the mounting groove inner wall, the inside cavity of still seting up vertical setting of protection seat, the bottom is equipped with low boiling evaporation liquid in the cavity, the fixed laminating of arc friction disc has the heat-conducting strip, the one end that the arc friction strip was kept away from runs through and extends into the cavity inside and in the liquid, the inner wall of the cavity is connected with a piston slide block in a sliding mode, a spring is fixedly connected between the piston slide block and the bottom of the cavity, and the upper end of the cavity is communicated with the strip-shaped elastic air bag through an air guide pipe.
In foretell butterfly valve plate seals protection device, the sealed rigid coupling of the notch of mounting groove has a baffle, and the second axis of rotation runs through with the baffle and rotates the junction and install the skeleton oil blanket.
In the butterfly valve plate sealing protection device, the low boiling point evaporation liquid adopts dichloromethane, and the boiling point of the low boiling point evaporation liquid is about 40 ℃.
In the butterfly valve plate sealing protection device, the spring is a return spring made of stainless steel.
The utility model has the advantages that: through setting up the soft sealing layer that can receive the drive of the medium of carrying process cooperation bar elasticity gasbag and valve plate side to use, can make bar elasticity gasbag automatic inflation and laminating when the valve plate is opened on the soft sealing layer of valve plate side, prevent that it from being openly washed away by the medium of carrying to the sealed effect of protection valve plate and soft sealing layer prolongs the holistic life of valve, and can guarantee production efficiency.
Drawings
Fig. 1 is a schematic structural view of a butterfly valve plate seal protection device provided by the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: the automatic water-saving valve comprises a butterfly valve body 1, a valve rod 2, a valve plate 3, a soft sealing layer 4, a protective seat 5, a strip-shaped elastic air bag 6, a water inlet hole 7, a water outlet groove 8, a first rotating shaft 9, an impeller 10, a mounting groove 11, a second rotating shaft 12, a friction ring 13, an arc-shaped friction plate 14, a cavity 15, low-boiling-point evaporating liquid 16, a piston sliding block 17 and a spring 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, the butterfly valve plate sealing protection device comprises a butterfly valve body 1, a valve rod 2 and a valve plate 3, wherein a soft sealing layer 4 is arranged on the side surface of the valve plate 3, a protection seat 5 is fixedly connected to the right end of the valve plate 3, the left side surface of the protection seat 5 adopts an arc structure, a strip-shaped elastic airbag 6 is fixedly attached to the surface of the arc structure, a horizontal water inlet hole 7 is formed in the right side surface of the protection seat 5, the water inlet hole 7 is communicated with an obliquely arranged water outlet groove 8, the lower end of the water outlet groove 8 is located at the bottom of the protection seat 5, a partition plate is fixedly connected to the notch of the mounting groove 11 in a sealing manner, a framework oil seal is arranged at the connection part where the second rotating shaft 12 and the partition plate penetrate and rotate, and the conveying medium is prevented from penetrating into;
the interior of the protection seat 5 is also provided with a transmission mechanism matched with the strip-shaped elastic airbag 6, the transmission mechanism comprises a first rotating shaft 9 which is rotatably connected with the inner side wall of the water outlet groove 8, two impellers 10 are fixedly sleeved on the first rotating shaft 9, a mounting groove 11 is also formed in the top wall of the water outlet groove 8, a second rotating shaft 12 which is vertically arranged is rotatably connected with the interior of the mounting groove 11, a first bevel gear is fixedly sleeved at the middle part of the first rotating shaft 9, a second bevel gear is fixedly sleeved at the bottom end of the second rotating shaft 12, the first bevel gear is meshed with the second bevel gear, a friction ring 13 is also fixedly sleeved at the middle part of the second rotating shaft 12, an arc-shaped friction plate 14 which is always contacted with the friction ring 13 is also fixedly connected on the inner wall of the mounting groove 11, a vertically arranged cavity 15 is also formed in the protection seat 5, one end of the heat-conducting strip far away from the arc-shaped friction plate 14 penetrates through and extends into the cavity 15 and is immersed in the low-boiling-point evaporating liquid 16, wherein the low-boiling-point evaporating liquid 16 adopts dichloromethane, the boiling point of the dichloromethane is about 40 ℃, the inner wall of the cavity 15 is connected with a piston slider 17 in a sliding mode, and a spring 18 is fixedly connected between the piston slider 17 and the bottom of the cavity 15, the upper end of the cavity 15 is communicated with a strip-shaped elastic airbag 6 through an air duct, the spring 18 adopts a reset spring made of stainless steel, the reset acting force of the reset spring is more stable, the reset effect is more accurate, and the service life.
When the utility model is used, the flowing direction of the conveyed medium is shown in figure 1, when the valve plate 1 is rotated and opened to the state shown in figure 1, the flowing liquid medium enters the protective seat 5 through the water inlet 7 and flows out downwards through the water outlet groove 8, the impeller 10 can be driven to rotate continuously in the flowing process of the liquid medium, so as to drive the first rotating shaft 9 and the first bevel gear on the shaft to rotate, the first bevel gear can drive the second bevel gear meshed with the first bevel gear and the second rotating shaft 12 to rotate continuously, so as to enable the friction ring 13 on the second rotating shaft 12 to continuously rub with the arc-shaped friction plate 14 to generate heat, the heat is continuously transmitted to the low-boiling-point evaporation liquid 16 through the heat-conducting plate to evaporate and vaporize, the vaporized gas can push the piston slider 17 to slide upwards after expanding, at the moment, the spring 18 is elongated, the piston slider 17 slides upwards to press the air at the upper end of the cavity 15 into the bar, the strip-shaped elastic air bag 6 is expanded and attached to the soft sealing layer 4 on the side surface of the valve plate 3, and is prevented from being washed by the front side of a conveying medium, so that the sealing effect of the valve plate 3 and the soft sealing layer 4 is protected, the service life of the whole valve is prolonged, and the production efficiency can be ensured; when the valve plate 3 is rotated and closed, the medium stops flowing, the impeller 10 does not rotate any more, the friction ring 13 and the arc-shaped friction plate 14 do not provide heat for the low-boiling-point evaporating liquid 16 any more, the evaporated liquid is automatically liquefied after being cooled by the steam, and the piston slide block 17 slides downwards to return under the action of the return force of the spring 18, so that the gas of the strip-shaped elastic air bag 6 is pumped back, and the strip-shaped elastic air bag 6 returns to the initial state.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. Butterfly valve plate seals protection device, including butterfly valve body (1), valve rod (2) and valve plate (3), the side of valve plate (3) is equipped with soft sealing layer (4), its characterized in that, the right-hand member rigid coupling of valve plate (3) has a protection seat (5), the left surface of protection seat (5) adopts the arc structure, and the arc structure fixed surface pastes and is equipped with bar elasticity gasbag (6), a horizontally inlet opening (7) have been seted up to the right flank of protection seat (5), inlet opening (7) intercommunication has basin (8) that a slope set up, and the lower extreme of basin (8) is located the bottom of protection seat (5), the inside drive mechanism who still is equipped with cooperation bar elasticity gasbag (6) of protection seat (5).
2. The butterfly valve plate seal protection device according to claim 1, wherein the transmission mechanism comprises a first rotating shaft (9) rotatably connected to the inner side wall of the water outlet groove (8), the first rotating shaft (9) is fixedly sleeved with two impellers (10), the inner top wall of the water outlet groove (8) is further provided with a mounting groove (11), the mounting groove (11) is rotatably connected to a second rotating shaft (12) vertically arranged, a first bevel gear is fixedly sleeved at the middle part of the first rotating shaft (9), a second bevel gear is fixedly sleeved at the bottom end of the second rotating shaft (12), the first bevel gear is meshed with the second bevel gear, a friction ring (13) is fixedly sleeved at the middle part of the second rotating shaft (12), an arc-shaped friction plate (14) always contacting with the friction ring (13) is fixedly connected to the inner wall of the mounting groove (11), the protection seat (5) is internally provided with a cavity (15) which is vertically arranged, the bottom of the cavity (15) is provided with low-boiling-point evaporating liquid (16), the arc-shaped friction plate (14) is fixedly attached with a heat conducting sheet, one end of the heat conducting sheet, which is far away from the arc-shaped friction plate (14), penetrates through the cavity (15) and is immersed in the low-boiling-point evaporating liquid (16), the inner wall of the cavity (15) is connected with a piston slide block (17) in a sliding manner, the piston slide block (17) is fixedly connected with a spring (18) with the bottom of the cavity (15), and the upper end of the cavity (15) is communicated with the strip-shaped elastic air bag (6) through an air guide.
3. The butterfly valve plate seal protection device of claim 2, wherein a partition plate is fixedly connected to the notch of the mounting groove (11) in a sealing manner, and a framework oil seal is mounted at the connection position where the second rotating shaft (12) and the partition plate penetrate through and rotate.
4. The butterfly valve plate seal protection device of claim 2, wherein said low boiling point evaporative liquid (16) is dichloromethane having a boiling point of about 40 ℃.
5. The butterfly valve plate seal protection device of claim 2, wherein the spring (18) is a return spring of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921360458.2U CN210344323U (en) | 2019-08-21 | 2019-08-21 | Butterfly valve plate sealing protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921360458.2U CN210344323U (en) | 2019-08-21 | 2019-08-21 | Butterfly valve plate sealing protection device |
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| Publication Number | Publication Date |
|---|---|
| CN210344323U true CN210344323U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921360458.2U Active CN210344323U (en) | 2019-08-21 | 2019-08-21 | Butterfly valve plate sealing protection device |
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| CN (1) | CN210344323U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608291A (en) * | 2019-09-02 | 2019-12-24 | 李礼英 | Butterfly valve with sealing protection structure |
| CN113218836A (en) * | 2021-04-13 | 2021-08-06 | 宁夏同润华盛建设工程有限公司 | Test device for detecting seepage failure ratio degradation quality of plastic concrete diaphragm wall |
| CN113280133A (en) * | 2021-07-23 | 2021-08-20 | 山东泰恒智能环境科技有限公司 | High barrier propterty butterfly valve |
| CN117704081A (en) * | 2024-02-05 | 2024-03-15 | 四川顺腾机械制造有限公司 | High-pressure pneumatic execution valve |
-
2019
- 2019-08-21 CN CN201921360458.2U patent/CN210344323U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608291A (en) * | 2019-09-02 | 2019-12-24 | 李礼英 | Butterfly valve with sealing protection structure |
| CN110608291B (en) * | 2019-09-02 | 2021-01-01 | 吉泰阀门集团有限公司 | Butterfly valve with sealing protection structure |
| CN113218836A (en) * | 2021-04-13 | 2021-08-06 | 宁夏同润华盛建设工程有限公司 | Test device for detecting seepage failure ratio degradation quality of plastic concrete diaphragm wall |
| CN113280133A (en) * | 2021-07-23 | 2021-08-20 | 山东泰恒智能环境科技有限公司 | High barrier propterty butterfly valve |
| CN117704081A (en) * | 2024-02-05 | 2024-03-15 | 四川顺腾机械制造有限公司 | High-pressure pneumatic execution valve |
| CN117704081B (en) * | 2024-02-05 | 2024-04-09 | 四川顺腾机械制造有限公司 | High-pressure pneumatic execution valve |
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