CN214662082U - Novel eccentric spherical four-eccentric metal sealing butterfly valve - Google Patents
Novel eccentric spherical four-eccentric metal sealing butterfly valve Download PDFInfo
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- CN214662082U CN214662082U CN202120694501.XU CN202120694501U CN214662082U CN 214662082 U CN214662082 U CN 214662082U CN 202120694501 U CN202120694501 U CN 202120694501U CN 214662082 U CN214662082 U CN 214662082U
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- 238000007789 sealing Methods 0.000 title claims abstract description 81
- 239000002184 metal Substances 0.000 title claims abstract description 16
- 230000000694 effects Effects 0.000 claims description 8
- 230000002349 favourable effect Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of valves, and discloses a novel eccentric spherical four-eccentric metal sealing butterfly valve, which comprises a valve body, wherein a top cover is arranged at the top of the valve body through a bolt, a top rod movably penetrates through the center of the top cover, a valve rod is arranged at the bottom of the top rod, the valve rod movably penetrates through the valve body, and a butterfly plate is fixedly sleeved at the center of the valve rod. The adaptability of the valve to medium temperature changes is improved.
Description
Technical Field
The utility model relates to the technical field of valves, specifically a novel four eccentric metal seal butterfly valves of eccentric sphere.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, can be used for the on-off control of low-pressure pipeline media, and the closing member is a disc and rotates around a valve shaft to achieve the opening and closing of the valve.
The sealing form of the butterfly valve at present is mostly a three-eccentric and four-eccentric conical surface sealing form, the requirements of the two sealing forms on the machining precision and the assembly position precision are high, wherein the relative position and the angle diameter of the butterfly plate sealing ring and the valve seat sealing ring when the butterfly plate sealing ring and the valve seat sealing ring are closed influence the sealing performance of the butterfly valve, so the machining precision of the sealing ring and the relative position of the assembly must be improved to adjust the precision in order to improve the sealing performance of the valve, the valve is leaked slightly, the controllable sealing margin range is very small, the machining and the assembly are difficult, and under the conditions of high temperature and low temperature, the relative position between the butterfly plate sealing ring and the valve seat sealing ring is obviously changed, and the adaptability of the valve to the external temperature change is reduced. Therefore, those skilled in the art have provided a new eccentric spherical four-eccentric metal sealing butterfly valve to solve the above problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel four eccentric metal seal butterfly valves of eccentric sphere to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel four eccentric metal seal butterfly valves of eccentric sphere, includes the valve body, the top cap is installed through the bolt in the valve body top, just top cap center activity runs through there is the ejector pin, the valve rod is installed to the ejector pin bottom, just the valve rod activity runs through the valve body, the valve rod center cup joints and is fixed with the butterfly plate, the pressure disk is installed to valve body one side, just the gasket is installed to the pressure disk inboard, sealing mechanism is installed to the gasket inboard.
As a further aspect of the present invention: the top of one side of the butterfly plate is penetrated with a cylindrical pin, and one end of the center of the cylindrical pin penetrates through the middle upper part of the valve rod, so that the butterfly plate and the valve rod are fixed through the cylindrical pin.
As a further aspect of the present invention: the valve body is characterized in that an end cover is installed at the center of the bottom of the valve body through a bolt, a bearing sleeve is installed on the inner circumference of the top of the end cover, and the bearing sleeve is fixedly sleeved at the bottom of the valve rod, so that the valve rod is fixedly installed.
As a further aspect of the present invention: the bottom of the ejector rod movably penetrates through the center of the top of the valve body, the center of the bottom of the ejector rod is welded with the center of the top of the valve rod, and the ejector rod is rotatably connected with the top cover.
As a further aspect of the present invention: the valve rod top with the bottom respectively with valve body top center rotates with the bottom center and is connected, just the valve rod with the valve body rotates the junction and all installs sealed the pad, is favorable to guaranteeing the leakproofness between valve body and the valve rod.
As a further aspect of the present invention: sealing mechanism includes valve seat sealing washer, eccentric spherical groove, chute, butterfly plate sealing washer and concora crush groove, there is screw fixed mounting valve body inside center one side valve seat sealing washer, just valve seat sealing washer has been seted up respectively to one side in opposite directions eccentric spherical groove, eccentric spherical groove has cup jointed in opposite directions one side activity butterfly plate sealing washer, just butterfly plate sealing washer passes through bolt fixed mounting and is in on the butterfly plate, seted up respectively in outer circumference top of butterfly plate sealing washer and bottom the chute with the concora crush groove, just the chute with the concora crush groove respectively with the laminating of eccentric spherical groove one side in opposite directions is favorable to improve equipment's sealing performance.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model changes the valve seat sealing ring into an eccentric spherical structure through the establishment of the eccentric spherical groove at one side of the valve seat sealing ring in the sealing mechanism, so that the valve seat sealing ring and the butterfly plate sealing ring form an inclined narrow sealing line in the sealing diameter, thereby greatly reducing the sealing width of the sealing surface, changing the surface contact into the line contact, being beneficial to reducing the requirement of the processing precision, saving the processing cost and reducing the assembly difficulty;
2. the utility model discloses owing to formed the narrow seal line of putting to one side, the controllable sealed margin scope increase of sealing washer for the relative position of sealing washer still has outstanding sealed effect when the small-angle within range changes, and eccentric spherical seal structure has improved the adaptability of valve to medium temperature variation, has promoted the practicality of equipment.
Drawings
FIG. 1 is a schematic structural view of a novel eccentric spherical four-eccentric metal seal butterfly valve;
FIG. 2 is an enlarged view of area A of FIG. 1;
fig. 3 is a schematic structural diagram of a sealing mechanism in a novel eccentric spherical four-eccentric metal sealing butterfly valve.
In the figure: 1. a top cover; 2. a valve body; 3. a platen; 4. a sealing mechanism; 5. a butterfly plate; 6. a gasket; 7. an end cap; 8. a valve stem; 9. a cylindrical pin; 10. a top rod; 401. a valve seat sealing ring; 402. an eccentric spherical groove; 403. a chute; 404. a butterfly plate sealing ring; 405. and (4) flattening the groove.
Detailed Description
Referring to fig. 1-3, in the embodiment of the present invention, a novel eccentric spherical four-eccentric metal sealing butterfly valve comprises a valve body 2, a top cap 1 is mounted on the top of the valve body 2 through a bolt, a top rod 10 is movably penetrated through the center of the top cap 1, a valve rod 8 is mounted at the bottom of the top rod 10, the valve rod 8 movably penetrates through the valve body 2, a butterfly plate 5 is fixedly sleeved on the center of the valve rod 8, a pressure plate 3 is mounted on one side of the valve body 2, a gasket 6 is mounted on the inner side of the pressure plate 3, a cylindrical pin 9 is penetrated through the top of one side of the butterfly plate 5, one end of the center of the cylindrical pin 9 penetrates through the upper middle portion of the valve rod 8, an end cover 7 is mounted at the center of the bottom of the valve body 2 through a bolt, a bearing sleeve is mounted on the inner circumference of the top of the end cover 7, the bearing sleeve is fixedly sleeved on the bottom of the valve rod 8, the bottom of the top rod 10 movably penetrates through the center of the top of the valve body 2, the center of the top rod 10 is welded with the center of the top of the valve rod 8, the top cap 1 is rotatably connected, 8 tops of valve rods and bottom rotate with 2 top centers of valve body and bottom center respectively and are connected, and 8 and 2 rotation junctions of valve body all install sealed the pad, are favorable to guaranteeing the leakproofness of equipment.
In fig. 1 and 3: sealing mechanism 4 is installed to 6 inboards of gasket, sealing mechanism 4 includes valve seat sealing washer 401, eccentric spherical groove 402, chute 403, butterfly plate sealing washer 404 and keyway 405, there is valve seat sealing washer 401 in valve body 2 inside center one side through screw fixed mounting, and eccentric spherical groove 402 has been seted up respectively to valve seat sealing washer 401 one side in opposite directions, eccentric spherical groove 402 has cup jointed butterfly plate sealing washer 404 in opposite directions one side activity, and butterfly plate sealing washer 404 passes through bolt fixed mounting on butterfly plate 5, chute 403 and keyway 405 have been seted up respectively to outer circumference top of butterfly plate sealing washer 404 and bottom, and chute 403 and keyway 405 is laminated with eccentric spherical groove 402 in opposite directions one side respectively, be favorable to the setting through sealing mechanism 4, the leakproofness of equipment has been guaranteed, the requirement of machining precision has been reduced simultaneously.
The utility model discloses a theory of operation is: in the use process of the utility model, firstly, the device is installed at the working position, the handle at the top of the ejector rod 10 is rotated, the ejector rod 10 can be driven to rotate, the valve rod 8 is driven to rotate, then the cylindrical pin 9 is driven to rotate, then the butterfly plate 5 is driven to rotate, then the butterfly plate sealing ring 404 and the valve seat sealing ring 401 are driven to move away from each other, thereby the valve is opened, the handle at the top of the ejector rod 10 is reversely rotated, the butterfly plate sealing ring 404 is contacted with the valve seat sealing ring 401, thereby the valve is closed, meanwhile, the eccentric spherical groove 402 is arranged on the inner circumference of the valve seat sealing ring 401, the contact point between the eccentric spherical groove 402 and the chute 403 on the butterfly plate sealing ring 404 and the chute 405 forms an inclined narrow sealing line, thereby the sealing width of the sealing surface is greatly reduced, the surface contact is changed into the line contact, the contact area is reduced, thereby the processing precision requirements of the valve seat sealing ring 401 and the butterfly plate sealing ring 404 are reduced, the processing degree of difficulty has been reduced to the assembly is simpler, labour saving and time saving, simultaneously owing to formed the narrow seal line of putting to one side, the controllable seal margin scope increase of valve seat sealing washer 401 and butterfly plate seal circle 404 for the relative position of valve seat sealing washer 401 and butterfly plate seal circle 404 still has outstanding sealed effect when changing in the small-angle within range, and eccentric spherical seal structure has improved the adaptability of valve to medium temperature variation, is favorable to having promoted the practicality of equipment.
The above-mentioned, 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 (6)
1. The utility model provides a novel four eccentric metal seal butterfly valves of eccentric sphere, includes valve body (2), its characterized in that, top cap (1) is installed through the bolt at valve body (2) top, just top cap (1) center activity runs through ejector pin (10), valve rod (8) are installed to ejector pin (10) bottom, just valve rod (8) activity runs through valve body (2), valve rod (8) center cup joints and is fixed with butterfly plate (5), pressure disk (3) are installed to valve body (2) one side, just gasket (6) are installed to pressure disk (3) inboard, sealing mechanism (4) are installed to gasket (6) inboard.
2. The novel eccentric spherical four-eccentric metal sealing butterfly valve according to claim 1, characterized in that a cylindrical pin (9) penetrates through the top of one side of the butterfly plate (5), and one central end of the cylindrical pin (9) penetrates through the middle upper part of the valve rod (8).
3. The novel eccentric spherical four-eccentric metal sealing butterfly valve according to claim 1, characterized in that an end cover (7) is installed at the bottom center of the valve body (2) through a bolt, a bearing sleeve is installed on the inner circumference of the top of the end cover (7), and the bearing sleeve is sleeved and fixed at the bottom of the valve rod (8).
4. The novel eccentric spherical four-eccentric metal sealing butterfly valve according to claim 1, wherein the bottom of the ejector rod (10) movably penetrates through the top center of the valve body (2), the bottom center of the ejector rod (10) is welded with the top center of the valve rod (8), and the ejector rod (10) is rotatably connected with the top cover (1).
5. The novel eccentric spherical four-eccentric metal sealing butterfly valve according to claim 1, characterized in that the top end and the bottom end of the valve rod (8) are rotatably connected with the top center and the bottom center of the valve body (2), respectively, and sealing gaskets are mounted at the rotary connection positions of the valve rod (8) and the valve body (2).
6. The novel eccentric spherical four-eccentric metal seal butterfly valve according to claim 1, the sealing mechanism (4) comprises a valve seat sealing ring (401), an eccentric spherical groove (402), an inclined groove (403), a butterfly plate sealing ring (404) and a flat groove (405), the valve seat sealing ring (401) is fixedly arranged on one side of the inner center of the valve body (2) through a screw, and one opposite sides of the valve seat sealing ring (401) are respectively provided with the eccentric spherical grooves (402), the opposite side of the eccentric spherical groove (402) is movably sleeved with the butterfly plate sealing ring (404), and the butterfly plate sealing ring (404) is fixedly arranged on the butterfly plate (5) through a bolt, the top and the bottom of the outer circumference of the butterfly plate sealing ring (404) are respectively provided with the inclined groove (403) and the flat groove (405), and the inclined groove (403) and the flat groove (405) are respectively attached to one side of the eccentric spherical groove (402) opposite to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120694501.XU CN214662082U (en) | 2021-04-06 | 2021-04-06 | Novel eccentric spherical four-eccentric metal sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120694501.XU CN214662082U (en) | 2021-04-06 | 2021-04-06 | Novel eccentric spherical four-eccentric metal sealing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214662082U true CN214662082U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120694501.XU Active CN214662082U (en) | 2021-04-06 | 2021-04-06 | Novel eccentric spherical four-eccentric metal sealing butterfly valve |
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| CN (1) | CN214662082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413006A (en) * | 2022-03-01 | 2022-04-29 | 北京瑞拓江南自控设备有限公司 | Spherical bidirectional sealed four-eccentric butterfly valve |
-
2021
- 2021-04-06 CN CN202120694501.XU patent/CN214662082U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413006A (en) * | 2022-03-01 | 2022-04-29 | 北京瑞拓江南自控设备有限公司 | Spherical bidirectional sealed four-eccentric butterfly valve |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240520 Address after: 273516 No.1 Futang Road, Beisu Town, Zoucheng City, Jining City, Shandong Province Patentee after: Edwell Ruituo (Shandong) Automatic Control Technology Co.,Ltd. Country or region after: China Address before: 102600 1-2 / F, building 4, courtyard 48, Guangmao street, Daxing District, Beijing Patentee before: ADQVALVE FLOW CONTROL INDUSTRY Group Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |