CN214466236U - High sealing elastic seat gate valve - Google Patents
High sealing elastic seat gate valve Download PDFInfo
- Publication number
- CN214466236U CN214466236U CN202120554423.3U CN202120554423U CN214466236U CN 214466236 U CN214466236 U CN 214466236U CN 202120554423 U CN202120554423 U CN 202120554423U CN 214466236 U CN214466236 U CN 214466236U
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- Prior art keywords
- valve
- elastic
- cover
- seat
- sealing
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000000428 dust Substances 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 239000000945 filler Substances 0.000 abstract description 10
- 230000035939 shock Effects 0.000 abstract description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- NRTLIYOWLVMQBO-UHFFFAOYSA-N 5-chloro-1,3-dimethyl-N-(1,1,3-trimethyl-1,3-dihydro-2-benzofuran-4-yl)pyrazole-4-carboxamide Chemical compound C=12C(C)OC(C)(C)C2=CC=CC=1NC(=O)C=1C(C)=NN(C)C=1Cl NRTLIYOWLVMQBO-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model relates to a valve field especially relates to a high canned type elastic seat seals gate valve. The to-be-solved technical problem of the utility model is to provide a can add the whole sealed effect of valve, increase the shock resistance of elasticity disk seat simultaneously and promote valve life, and open and close more nimble reliable high canned type elasticity seat seal gate valve. A high-sealing type elastic seat seal gate valve comprises a valve body, a valve cover, a rubber sealing gasket, a top cover, a valve rod fixing block, a shaft sleeve, a valve rod, a hand wheel, a valve rod nut, an elastic valve seat, a locking pin, sealing filler, a sealing ring and a dustproof cover. The utility model discloses reached and increased the whole sealed effect of valve, increased elastic valve seat's shock resistance simultaneously and promoted valve life, and opened and close more nimble reliable effect.
Description
Technical Field
The utility model relates to a valve field especially relates to a high canned type elastic seat seals gate valve.
Background
The valve is used for opening and closing pipeline, controlling flow direction, regulating and controlling parameters of conveying medium, and is used for various valves used in fluid control system, from simplest stop valve to very complicated automatic control system, and its variety and specification are very various, and the elastic seat sealing gate valve is one of many pipeline valves, and is mainly used for controlling forced flow-stopping of liquid medium in pipeline, and is extensively used.
Along with the population cardinal number constantly enlarges, people also are the trend that increases progressively to the demand of water resource, elasticity seat seal gate valve is the device that is used for supplying water, but present elasticity seat seal gate valve exists some not enough, when the valve pocket is flowed through to the medium, can appear because elasticity seat seal gate valve seals badly and produce phenomenons such as leaking, the not enough life of leakproofness also needs to be strengthened, consequently need urgently to develop one kind and can increase the whole sealed effect of valve, increase elasticity disk seat's shock resistance simultaneously and promote valve life, and open and close more nimble reliable high canned type elasticity seat seal gate valve.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome current elasticity seat seal gate valve to have some, when the medium flows through the valve pocket, can appear because elasticity seat seal gate valve is sealed bad and produce phenomenons such as leaking, and the not good shortcoming of not enough life of valve overall sealing nature, the to-be-solved technical problem of the utility model is to provide a can increase the overall sealing effect of valve, increase the shock resistance of elasticity disk seat simultaneously and promote valve life, and open and close more nimble reliable high canned type elasticity seat seal gate valve.
The utility model is achieved by the following concrete technical means:
a high-sealing type elastic seat seal gate valve comprises a valve body, a valve cover, a rubber sealing gasket, a top cover, a valve rod fixing block, a shaft sleeve, a valve rod, a hand wheel, a valve rod nut, an elastic valve seat and a locking pin; a water through hole is formed in the center of the valve body, flanges connected with a pipeline are arranged at two ends of the valve body, a protruding platform is arranged at the upper end of the valve body, and a cavity connected with the water through hole is formed in the protruding platform; the upper end of the valve cover is provided with a shaft hole, and the lower end of the valve cover is provided with a cavity; the valve cover is positioned at the upper end of the valve body and is fixedly connected with the valve body protruding platform through a bolt; a rubber sealing gasket is arranged at the joint of the valve body and the valve cover; the top cover is positioned above the valve cover and is fixedly connected with the valve cover through a bolt, and the top cover is provided with a shaft hole; the valve rod fixing block is positioned in the top cover shaft hole and fixedly connected with the top cover; the shaft sleeve is fixed in a shaft hole at the upper end of the valve cover; the upper end of the valve rod is positioned in the shaft holes formed in the top cover and the valve cover, the valve rod is rotatably fixed in the shaft holes through the valve rod fixing block and the shaft sleeve, the top cover extends out of the upper end of the valve rod, and the lower end of the valve rod penetrates through the cavity and extends to the upper end of the water through hole; the hand wheel is positioned above the top cover and is fixedly connected with the valve rod through a bolt; the lower end of the valve rod is provided with threads, and the valve rod nut is fixed at the lower end of the valve rod through the threads; a through hole is formed in the center of the elastic valve seat, and a thread is arranged at the front section of the through hole; the elastic valve seat is slidably mounted in the valve body cavity and fixedly connected with the valve rod nut through threads, and a locking pin is arranged at the joint.
Furthermore, the high-sealing elastic seat seal gate valve further comprises a sealing filler, a sealing ring and a dustproof cover; the sealing filler is arranged in a shaft hole at the upper end of the valve cover and is positioned above the shaft sleeve; the sealing rings are arranged at the joint of the valve cover and the top cover and the joint of the valve rod and the top cover respectively; the dustproof cover is positioned at the joint of the valve rod at the upper end of the top cover and the top cover.
Furthermore, a contact sealing surface of the water through hole of the valve body and the elastic valve seat is provided with a convex block and a groove, a sealing surface of the water through hole is provided with a convex block, and a sealing surface of the elastic valve seat is provided with a groove.
Furthermore, sliding grooves are formed in two ends of a cavity of the valve body, and sliding blocks are arranged at two ends of the elastic valve seat.
Furthermore, the outer surface of the elastic valve seat is coated with an elastic rubber layer.
Furthermore, the lower end of the joint of the valve rod and the shaft hole of the valve body is provided with an anti-separation step.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses reached and increased the whole sealed effect of valve, increased the shock resistance of elasticity disk seat simultaneously and promoted valve life, and opened and close more nimble reliable effect; the shaft hole at the upper end of the valve cover is internally provided with sealing filler, the joint of the valve cover and the top cover and the joint of the valve rod and the top cover are also provided with sealing rings, the valve is enabled to obtain high sealing performance through multiple sealing, and the uppermost end of the joint of the valve rod and the top cover is also provided with a dustproof cover, so that the effect of preventing dust from entering and influencing the sealing performance of the valve is achieved; the sealing effect of the sealing surface of the elastic valve seat and the limber hole is enhanced by arranging the convex block and the groove, and the water flow impact resistance of the elastic valve seat can be enhanced by clamping the convex block arranged in the limber hole through the groove on the elastic valve seat; the sliding groove plays a guiding role to ensure that the friction resistance is small when the elastic valve seat is opened and closed, and the effect of opening and closing more flexibly and reliably and simultaneously prolonging the service life of the elastic valve seat is achieved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the structure of the present invention.
Fig. 3 is a schematic view of a first full-section structure of the present invention.
Fig. 4 is a schematic diagram of a second full-section structure of the present invention.
Fig. 5 is a schematic diagram of a first partial enlarged structure of the present invention.
Fig. 6 is a second partial enlarged structural schematic diagram of the present invention.
The labels in the figures are: 1-valve body, 2-valve cover, 3-rubber sealing gasket, 4-top cover, 5-valve rod fixing block, 6-shaft sleeve, 7-valve rod, 8-hand wheel, 9-valve rod nut, 10-elastic valve seat, 11-locking pin, 12-sealing filler, 13-sealing ring and 14-dust cover.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples
A high-sealing type elastic seat seal gate valve is shown in figures 1-6 and comprises a valve body 1, a valve cover 2, a rubber sealing gasket 3, a top cover 4, a valve rod fixing block 5, a shaft sleeve 6, a valve rod 7, a hand wheel 8, a valve rod nut 9, an elastic valve seat 10 and a locking pin 11; a water through hole is formed in the center of the valve body 1, flanges connected with a pipeline are arranged at two ends of the valve body, a protruding platform is arranged at the upper end of the valve body, and a cavity connected with the water through hole is formed in the protruding platform; the upper end of the valve cover 2 is provided with a shaft hole, and the lower end is provided with a cavity; the valve cover 2 is positioned at the upper end of the valve body 1 and is fixedly connected with a protruding platform of the valve body 1 through a bolt; a rubber sealing gasket 3 is arranged at the joint of the valve body 1 and the valve cover 2; the top cover 4 is positioned above the valve cover 2 and is fixedly connected with the valve cover 2 through bolts, and the top cover 4 is provided with a shaft hole; the valve rod fixing block 5 is positioned in the shaft hole of the top cover 4 and is fixedly connected with the top cover 4; the shaft sleeve 6 is fixed in a shaft hole at the upper end of the valve cover 2; the upper end of the valve rod 7 is positioned in the shaft holes formed in the top cover 4 and the valve cover 2, the valve rod fixing block 5 and the shaft sleeve 6 can be rotatably fixed in the shaft holes, the upper end of the valve rod fixing block extends out of the top cover 4, and the lower end of the valve rod 7 penetrates through the cavity and extends to the upper end of the water through hole; the hand wheel 8 is positioned above the top cover 4 and is fixedly connected with the valve rod 7 through a bolt; the lower end of the valve rod 7 is provided with threads, and the valve rod nut 9 is fixed at the lower end of the valve rod 7 through the threads; a through hole is formed in the center of the elastic valve seat 10, and a thread is arranged at the front section of the through hole; the elastic valve seat 10 is slidably mounted in the cavity of the valve body 1 and fixedly connected with the valve rod nut 9 through threads, and a locking pin 11 is arranged at the joint.
The high-sealing elastic seat seal gate valve further comprises a seal filler 12, a seal ring 13 and a dustproof cover 14; the sealing filler 12 is arranged in a shaft hole at the upper end of the valve cover 2 and is positioned above the shaft sleeve 6; a plurality of sealing rings 13 are respectively arranged at the joint of the valve cover 2 and the top cover 4 and the joint of the valve rod 7 and the top cover 4; the dust cap 14 is positioned at the joint of the valve rod 7 and the top cover 4 at the upper end of the top cover 4.
The surface of the water through hole of the valve body 1 is provided with a convex block and a groove on the contact sealing surface with the elastic valve seat 10, the sealing surface of the water through hole is provided with a convex block, and the sealing surface of the elastic valve seat 10 is provided with a groove.
Two ends of a cavity of the valve body 1 are provided with sliding grooves, and two ends of the elastic valve seat 10 are provided with sliding blocks.
The outer surface of the elastic valve seat 10 is coated with an elastic rubber layer.
The lower end of the joint of the valve rod 7 and the shaft hole of the valve body 1 is provided with an anti-separation step.
The working principle is as follows: the gate valve is fixed between two pipelines through flanges at two ends of a valve body 1, so that water flow can flow into the other pipeline from one pipeline, a hand wheel 8 is rotated to drive a valve rod 7 to rotate, the valve rod 7 rotates to drive a valve rod nut 9 to move downwards so as to drive an elastic valve seat 10 to move downwards, the outer surface of the elastic valve seat 10 is in contact with the surface of a water through hole to block the water flow, a rubber layer is coated outside the elastic valve seat 10, the elastic valve seat 10 is in contact with the water through hole of the valve body 1 to extrude the rubber layer to achieve the effect of sealing and leakage prevention, the hand wheel 8 is rotated reversely to enable the elastic valve seat 10 to ascend and open the water through hole, the water flow flows into the pipeline at the other end, the hand wheel 8 is rotated to control the elastic valve seat 10 to move up and down to control the opening and closing of the water through hole, and therefore the flowing and blocking of the water flow are controlled; when the limbers are opened, part of water flows into a cavity formed by the valve body 1 and the valve cover 2, a rubber sealing gasket 3 is arranged at the joint of the valve body 1 and the valve cover 2 to prevent water in the cavity from leaking from the joint of the valve body 1 and the valve cover 2, a locking pin 11 is arranged at the joint of the elastic valve seat 10 and the valve rod nut 9 to prevent the elastic valve seat 10 and the valve rod nut 9 from being separated to cause valve failure when the valve rod 7 rotates, sealing filler 12 is arranged in a shaft hole at the upper end of the valve cover 2, sealing rings 13 are further arranged at the joint of the valve cover 2 and the top cover 4 and at the joint of the valve rod 7 and the top cover 4, the valve is high in sealing performance through multiple sealing, and a dustproof cover 14 is further arranged at the uppermost end of the joint of the valve rod 7 and the top cover 4, so that dust is prevented from entering and affecting the sealing performance of the valve.
The high-sealing elastic seat seal gate valve further comprises a seal filler 12, a seal ring 13 and a dustproof cover 14; the sealing filler 12 is arranged in a shaft hole at the upper end of the valve cover 2 and is positioned above the shaft sleeve 6; a plurality of sealing rings 13 are respectively arranged at the joint of the valve cover 2 and the top cover 4 and the joint of the valve rod 7 and the top cover 4; the dustproof cover 14 is positioned at the upper end of the top cover 4, and the valve rod 7 is connected with the top cover 4; the valve obtains high tightness through the multiple sealing of the sealing packing 12 and the sealing ring 13, so that water flow is not easy to leak, and meanwhile, dust is prevented from entering to influence the tightness of the valve.
Wherein, the contact sealing surface of the water through hole of the valve body 1 and the elastic valve seat 10 is provided with a convex block and a groove, the sealing surface of the water through hole is provided with a convex block, and the sealing surface of the elastic valve seat 10 is provided with a groove; the sealing effect of the elastic valve seat 10 and the sealing surface of the water through hole is enhanced by arranging the convex block and the groove, and the water flow impact resistance of the elastic valve seat 10 can be enhanced by clamping the convex block arranged in the water through hole through the groove on the elastic valve seat 10.
Wherein, the two ends of the cavity of the valve body 1 are provided with sliding grooves, and the two ends of the elastic valve seat 10 are provided with sliding blocks; the sliding blocks at two ends of the elastic valve seat 10 are slidably mounted in the sliding grooves, and the sliding grooves play a guiding role to ensure that the friction resistance is small when the elastic valve seat 10 is opened and closed, so that the effects of opening and closing more flexibly and reliably and simultaneously prolonging the service life of the elastic valve seat 10 are achieved.
Wherein, the outer surface of the elastic valve seat 10 is coated with an elastic rubber layer; when the elastic valve seat 10 is closed, the elastic valve seat 10 contacts with the water through hole of the valve body 1 to extrude the elastic rubber layer, so that the elastic rubber layer is deformed and fully contacts with the sealing surface of the water through hole to achieve high sealing performance.
Although the present disclosure has been described in detail with reference to the exemplary embodiments, the present disclosure is not limited thereto, and it will be apparent to those skilled in the art that various modifications and changes can be made thereto without departing from the scope of the present disclosure.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120554423.3U CN214466236U (en) | 2021-03-18 | 2021-03-18 | High sealing elastic seat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120554423.3U CN214466236U (en) | 2021-03-18 | 2021-03-18 | High sealing elastic seat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214466236U true CN214466236U (en) | 2021-10-22 |
Family
ID=78156465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120554423.3U Expired - Fee Related CN214466236U (en) | 2021-03-18 | 2021-03-18 | High sealing elastic seat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214466236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120120401A (en) * | 2025-04-02 | 2025-06-10 | 江苏腾龙石化机械有限公司 | An ultra-high pressure two-way sealing gate valve |
-
2021
- 2021-03-18 CN CN202120554423.3U patent/CN214466236U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120120401A (en) * | 2025-04-02 | 2025-06-10 | 江苏腾龙石化机械有限公司 | An ultra-high pressure two-way sealing gate valve |
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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: 20211022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |