CN213017815U - Multi-sealing two-way plug valve - Google Patents
Multi-sealing two-way plug valve Download PDFInfo
- Publication number
- CN213017815U CN213017815U CN202021552579.XU CN202021552579U CN213017815U CN 213017815 U CN213017815 U CN 213017815U CN 202021552579 U CN202021552579 U CN 202021552579U CN 213017815 U CN213017815 U CN 213017815U
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- Prior art keywords
- cock
- gear
- valve
- sealing
- valve body
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 37
- 238000010030 laminating Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model discloses a two-way plug valve of multichannel sealing, including the valve body, the inside valve body inside wall that closely laminates of valve body sets up first cock, and the inboard second cock that closely laminates of first cock sets up, and first cock is all rotatable with the second cock, and first cock sets up the through-hole with second cock lateral wall middle part, first cock upper portion fixed connection ring gear, and second cock upper portion center department connects first gear. The utility model has the advantages that the double cock is adopted to realize the double sealing of the valve to the medium, the whole sealing effect of the valve is enhanced, the leakage is prevented, the operation torque is reduced through the matching between the gear sets, the use is more labor-saving, the quick opening and closing of the valve are realized, the sealing performance of the whole valve is improved due to the increase of the multi-way sealing ring, the friction among all the parts is reduced, the service life is prolonged, and the whole operation is more convenient; has the advantages of simple structure, convenient maintenance, low processing cost, prolonged service life and the like.
Description
Technical Field
The utility model belongs to the valve field especially relates to a two-way plug valve of multiple seal.
Background
The plug valve is a through valve which can be quickly opened and closed, and can be generally used for medium with suspended particles because the rotating sealing surfaces move with a wiping action and can be completely prevented from being contacted with flowing medium when the plug valve is fully opened, so that the plug valve has the advantage that other valves cannot be replaced. When a valve core flow passage of the conventional plug valve rotates to be perpendicular to a valve body flow passage, the plug valve is opened, and when the valve core flow passage rotates to be perpendicular to the valve body flow passage, the plug valve is closed. At the moment, the sealing is realized through the pressure of the inlet end, the phenomena of untight sealing and leakage are easy to occur, and the service life is shortened.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a two-way plug valve of multichannel sealing, especially have double seal, avoid the characteristics of seepage.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a multi-seal two-way plug valve comprises a valve body, wherein a first plug is tightly attached to the inner side wall of the valve body inside, a second plug is tightly attached to the inner side of the first plug, the first plug and the second plug can rotate, a through hole is formed in the middle of the side wall of the first plug and the side wall of the second plug, a ring gear is fixedly connected to the upper portion of the first plug, a first gear is connected to the center of the upper portion of the second plug, the first gear is located on the inner side of the ring gear, a second gear is attached to the first gear between the ring gear and the first gear, the second gear is matched with the first gear and the ring gear, a sealing cover plate is arranged on the upper side of the ring gear and the first gear, the sealing cover plate is tightly attached to the valve body, an upper cover is arranged on the upper side of the sealing cover plate, and a fixing seat is arranged on the, the middle of the fixing seat is rotatably provided with a valve rod, and one end of the valve rod penetrates through the upper cover and the sealing cover plate to be connected with the second gear.
Preferably: the fixing base with the valve rod passes through the bearing and rotates the connection, the second gear with the valve rod passes through stopper fixed connection, the stopper is fixed through the limiting bolt who sets up at second gear lateral wall.
So set up, be convenient for to the separation of valve rod and gear, convenient maintenance.
Preferably: the valve body both sides are followed valve body central line symmetry sets up the connecting pipe, connecting pipe one end fixed connection mounting flange, the laminating in the mounting flange outside sets up the flange and seals up the pad.
According to the arrangement, the valve and the pipeline are convenient to connect, meanwhile, the sealing performance is improved, and leakage is prevented.
Preferably: and a sealing ring is arranged between the first cock and the valve body, and a plurality of sealing rings are embedded in the outer side wall of the first cock and the outer side wall of the second cock.
So set up, increased the interception effect of valve medium, improve the leakproofness, prevent to leak.
Preferably: the valve rod is located the end fixed connection hand wheel of upper cover outside, the valve rod with the upper cover sealed apron rotates to be connected, and laminating portion all sets up the sealing washer.
So set up, make the valve open with close the operation of being convenient for more, improve the leakproofness simultaneously.
The utility model has the advantages and positive effects that:
1. the double-cock is adopted to realize double sealing of the valve to the medium, the integral sealing effect of the valve is enhanced, and leakage is prevented.
2. The operating torque is reduced through the cooperation between the gear sets, the labor is saved during use, and the valve is opened and closed quickly.
3. The increase of multichannel sealing washer has not only improved the holistic leakproofness of valve, has reduced the friction between each part moreover, has increased life.
Due to the adoption of the technical scheme, the integral operation is more convenient; has the advantages of simple structure, convenient maintenance, low processing cost, prolonged service life and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is an axial cross-sectional view of a multi-seal two-way plug valve according to the present invention;
FIG. 2 is a left side cross-sectional view of a multi-seal two-way plug valve according to the present invention;
FIG. 3 is a gear train diagram of a multi-seal two-way plug valve according to the present invention;
FIG. 4 is a block diagram of a multi-sealing two-way plug valve according to the present invention;
the reference numerals are explained below:
1. a valve body; 2. a connecting pipe; 3. installing a flange; 4. a flange gasket; 5. a first cock; 6. a second cock; 7. a through hole; 8. a ring gear; 9. a first gear; 10. a second gear; 11. sealing the cover plate; 12. an upper cover; 13. a fixed seat; 14. a valve stem; 15. a hand wheel; 16. a limiting block; 17. and a limiting bolt.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "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 used merely for convenience of description and for 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. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be further explained with reference to the accompanying drawings:
example 1
As shown in figures 1-4, a multi-seal two-way plug valve comprises a valve body 1, a first plug cock 5 is arranged inside the valve body 1 and closely attached to the inner side wall of the valve body 1, a second plug cock 6 is arranged inside the first plug cock 5 and closely attached to the inner side wall of the valve body, the first plug cock 5 and the second plug cock 6 can rotate, a through hole 7 is arranged in the middle of the side wall of the first plug cock 5 and the side wall of the second plug cock 6, a ring gear 8 is fixedly connected to the upper part of the first plug cock 5, a first gear 9 is connected to the center of the upper part of the second plug cock 6, the first gear 9 is positioned inside the ring gear 8, a second gear 10 is attached between the ring gear 8 and the first gear 9, the second gear 10 is matched with the first gear 9 and the ring gear 8, a seal cover plate 11 is arranged on the upper side of the ring gear 8 and the first gear 9, the seal cover plate 11, the middle part of the fixed seat 13 is rotatably provided with a valve rod 14, and one end of the valve rod 14 penetrates through the upper cover 12 and the sealing cover plate 11 to be connected with the second gear 10.
The working process of the embodiment: when the valve is used, a worker rotates the hand wheel 15 above the valve, the valve rod 14 connected with the hand wheel drives the second gear 10 to rotate, the ring gear 8 matched with the second gear 10 and the first gear 9 move relatively at the same time, and the valve is opened and closed.
Preferably: the fixed seat 13 is rotatably connected with the valve rod 14 through a bearing, the second gear 10 is fixedly connected with the valve rod 14 through a limiting block 16, the limiting block 16 is fixed through a limiting bolt 17 arranged on the side wall of the second gear 10, the separation of the valve rod and the gear is convenient, the maintenance is convenient, the connecting pipes 2 are symmetrically arranged on two sides of the valve body 1 along the central line of the valve body 1, one end of each connecting pipe 2 is fixedly connected with the mounting flange 3, the flange sealing gasket 4 is attached to the outer side of the mounting flange 3, the connection between the valve and a pipeline is convenient, the sealing performance is improved, the leakage is prevented, a sealing ring is arranged between the first cock 5 and the valve body 1, a plurality of sealing rings are arranged between the first cock 5 and the second cock 6 for quality safety supervision, the intercepting effect of a valve medium is increased, the sealing performance is improved, the leakage is prevented, the valve rod, and the laminating portion all sets up the sealing washer, makes the valve open and close the operation of being convenient for more, improves the leakproofness simultaneously.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (5)
1. The utility model provides a two-way plug valve of multichannel sealing, includes valve body (1), its characterized in that: the inner side wall of the valve body (1) is tightly attached to a first cock (5), the inner side of the first cock (5) is tightly attached to a second cock (6), the first cock (5) and the second cock (6) can rotate, a through hole (7) is formed in the middle of the side wall of the first cock (5) and the side wall of the second cock (6), a ring gear (8) is fixedly connected to the upper portion of the first cock (5), a first gear (9) is connected to the center of the upper portion of the second cock (6), the first gear (9) is located on the inner side of the ring gear (8), a second gear (10) is fixedly connected between the ring gear (8) and the first gear (9), the second gear (10) is matched with the first gear (9) and the ring gear (8), and a sealing cover plate (11) is arranged on the upper side of the ring gear (8) and the first gear (9), sealed apron (11) with valve body (1) closely laminates, sealed apron (11) upside sets up upper cover (12), upper cover (12) upper portion sets up fixing base (13), fixing base (13) middle part is rotated and is set up valve rod (14), valve rod (14) one end is passed upper cover (12) sealed apron (11) with second gear (10) are connected.
2. A multi-seal two-way stopcock according to claim 1, wherein: the fixing seat (13) is rotatably connected with the valve rod (14) through a bearing, the second gear (10) is fixedly connected with the valve rod (14) through a limiting block (16), and the limiting block (16) is fixed through a limiting bolt (17) arranged on the side wall of the second gear (10).
3. A multi-seal two-way stopcock according to claim 1, wherein: valve body (1) both sides are followed valve body (1) central line symmetry sets up connecting pipe (2), connecting pipe (2) one end fixed connection mounting flange (3), the laminating sets up flange packing pad (4) in mounting flange (3) outside.
4. A multi-seal two-way stopcock according to claim 1, wherein: the sealing ring is arranged between the first cock (5) and the valve body (1), and a plurality of sealing rings are arranged on the first cock (5) and the second cock (6) for quality and safety supervision.
5. A multi-seal two-way stopcock according to claim 1, wherein: the valve rod (14) is located on the outer side end of the upper cover (12) and fixedly connected with a hand wheel (15), the valve rod (14) is connected with the upper cover (12) in a rotating mode through the sealing cover plate (11), and the fitting portion is provided with a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021552579.XU CN213017815U (en) | 2020-07-30 | 2020-07-30 | Multi-sealing two-way plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021552579.XU CN213017815U (en) | 2020-07-30 | 2020-07-30 | Multi-sealing two-way plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213017815U true CN213017815U (en) | 2021-04-20 |
Family
ID=75460908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021552579.XU Expired - Fee Related CN213017815U (en) | 2020-07-30 | 2020-07-30 | Multi-sealing two-way plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213017815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118188877A (en) * | 2024-05-17 | 2024-06-14 | 江苏昌九农科化工有限公司 | Anti-overflow valve of acrylamide water storage |
-
2020
- 2020-07-30 CN CN202021552579.XU patent/CN213017815U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118188877A (en) * | 2024-05-17 | 2024-06-14 | 江苏昌九农科化工有限公司 | Anti-overflow valve of acrylamide water storage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |