CN208793673U - A kind of soft sealing gate valve - Google Patents
A kind of soft sealing gate valve Download PDFInfo
- Publication number
- CN208793673U CN208793673U CN201821462619.4U CN201821462619U CN208793673U CN 208793673 U CN208793673 U CN 208793673U CN 201821462619 U CN201821462619 U CN 201821462619U CN 208793673 U CN208793673 U CN 208793673U
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- China
- Prior art keywords
- valve
- sealing
- flashboard
- deck
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 78
- 238000005253 cladding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005266 casting Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Sliding Valves (AREA)
Abstract
The utility model discloses a kind of soft sealing gate valves, including valve body, valve deck is provided on the valve body, through-hole is provided on the valve deck, valve rod is provided in the through-hole, the valve rod bottom end is connected with flashboard, the valve stem tip is provided with handwheel after being pierced by valve deck, the flashboard includes skeleton, the skeleton is coated with rubber layer, the front and rear sides on the flashboard top are provided with the first sealing, the second sealing compatible with first sealing is provided at the seal of the valve body, the lower end surface of first sealing and the upper surface of second sealing, which cooperate, to be sealed；The utility model it is structurally reasonable, compact; effectively solve the problems such as current gate valve open and close torque is big, at high cost, the service life is short, security performance is low and sealing effect is not strong; to protect components, the service life of valve is improved, the use demand of users is met.
Description
Technical field
The utility model relates to valve technology field more particularly to a kind of soft sealing gate valves.
Background technique
Soft sealing gate valve is that a kind of valve that casting accuracy is more demanding is answered extensively with good sealing performance
For in all trades and professions.Soft sealing gate valve currently on the market is cooperated by rubber gate sealing surface and the valve body sealing surface angle of wedge
Realize sealing, valve body is all casting and forming, and sealing surface is black skin, and the big valve body of specification, casting, which is shunk, to be not easily controlled,
The wide Assurance of Size of thorax not, causes valve seal unqualified, yield rate is low；Rubber gate sealing surface and valve body in use
Sealing is realized in sealing directly contact, therefore after pressure medium increases in the duct, rubber clack is larger by medium thrust, is easy to squeeze bad
Rubber face leads to sealing leak；Valve rubber flashboard in opening-closing process is directly contacted with valve interior wall, and frictional force is big, opening and closing
Torque is big；After a period of use, valve stem packing ring damages often, when replacing sealing element, needs the system of closing, with pressure cannot grasp
Make；The service performance of the series of products is seriously affected.
Utility model content
The purpose of this utility model is that in view of the above shortcomings of the prior art, a kind of good seal performance is provided, using the longevity
Life length, safe and reliable soft sealing gate valve.
To solve the above problems, technical solution adopted in the utility model is:
A kind of soft sealing gate valve, including valve body are provided with valve deck on the valve body, through-hole, institute are provided on the valve deck
It states and is provided with valve rod in through-hole, the valve rod bottom end is connected with flashboard, and the valve stem tip is provided with handwheel after being pierced by valve deck, institute
Stating flashboard includes skeleton, and the skeleton is coated with rubber layer, and the front and rear sides on the flashboard top are provided with the first sealing
Portion is provided with the second sealing compatible with first sealing, first sealing at the seal of the valve body
Lower end surface and second sealing upper surface cooperate seal.
Further, the lower end surface of first sealing is obliquely installed inwardly, the upper surface of second sealing
It is obliquely installed and cooperates with the lower end surface inclined-plane of first sealing and seal.
Further, it is respectively arranged with guide groove at left and right sides of the valve body and the rams contact, the flashboard
The left and right sides is respectively arranged with guide pad compatible with the guide groove.
Further, anticreep bulge loop is provided on the valve rod, the anticreep bulge loop is located in the valve deck.
Further, the valve deck top is provided with dustband.
Further, the valve rod is threadedly coupled with skeleton by valve stem nut, is set between the valve stem nut and skeleton
It is equipped with fastening screw.
Further, there are three O-ring seals for setting between the valve deck and valve rod.
The beneficial effects of adopting the technical scheme are that
Valve body and gate sealing surface are changed to gate sealing surface by original wedge-type angle of wedge sealing and are cross over valve by the utility model
It is sealed on body sealing surface, effectively reduces open and close torque, reduced rubber layer abrasion, reduce preload sealing force, effectively solved current
Soft sealing gate valve easily occur it is poorly sealed and the problem of cause interior leakage, to effectively improve security performance, sealing effect and make
Use the service life；It can guarantee pressure testing qualification rate even if in valve body casting process when thorax wide contraction abnormalities；Medium pressure in the duct
After power increases, rubber gate sealing surface will not be damaged, ensure that the service life of valve；And among flashboard and valve body guide direction
Increase guide pad avoids rubber flashboard and directly contacts with valve interior wall, reduces open and close torque；The setting of anticreep bulge loop is more
When changing sealing element, it may be unnecessary to halt system, it can be with press operation under the premise of guaranteeing not leak outside.
The utility model it is structurally reasonable, compact, effectively solve current gate valve open and close torque is big, at high cost, the service life is short, peace
The problems such as full performance is low and sealing effect is not strong, to protect components, improves the service life of valve, meets vast use
The use demand at family.
Detailed description of the invention
Fig. 1 is the half-section diagram of the main view of the utility model；
Fig. 2 is the half-section diagram of the left view of the utility model；
Fig. 3 is the portion A enlarged drawing in Fig. 2.
In figure: 1, valve body；2, valve deck；3, valve rod；4, flashboard；5, skeleton；6, rubber layer；7, the first sealing；8, second
Sealing；9, guide groove；10, guide pad；11, anticreep bulge loop；12, dustband；13, valve stem nut；14, fastening screw；15, hand
Wheel；16, hoisting ring.
Specific embodiment
The embodiments of the present invention is described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the utility model, but cannot be used to limit the scope of the utility model.
As shown in Figure 1-3, be a kind of specific embodiment of the utility model, a kind of soft sealing gate valve, including valve body 1,
It is provided with valve deck 2 on the valve body 1, through-hole is provided on the valve deck 2, valve rod 3, the valve rod 3 are provided in the through-hole
Bottom end is connected with flashboard 4, and 3 top of valve rod is provided with handwheel 15 after being pierced by valve deck 2, and the flashboard 4 includes skeleton 5, described
Skeleton 5 is coated with rubber layer 6, and the front and rear sides of the water blocking on 4 top of flashboard are respectively arranged with the first sealing 7, described
First sealing 7 is the arc-shaped structure of protrusion, is provided at the seal of the valve body 1 suitable with 7 phase of the first sealing
Second sealing 8 of the protrusion matched, the lower end surface of first sealing 7 and the upper surface cooperation of second sealing 8 are close
Envelope.
Further, the lower end of the first sealing 7 of protrusion tilts down setting towards the interior direction of the flashboard 4,
The upper surface of second sealing 8 also tilts down the lower end surface being arranged and with first sealing 7 to 2 direction of flashboard
Inclined-plane cooperation sealing.2 sealing surface of flashboard is cross on 1 sealing surface of valve body and seals, and effectively reduces open and close torque, reduces rubber layer 6 and grinds
Damage.
Further, the left and right sides that the valve body 1 is contacted with the flashboard 4 is respectively arranged with guide groove 9, the flashboard
4 left and right sides is respectively arranged with guide pad 10 compatible with the guide groove 9.The setting of guide pad 10 can avoid flashboard 2
It is directly contacted with 1 inner wall of valve body, reduces valve opening and closing torque, reduce friction, using flexible.
Further, anticreep bulge loop 11 is provided on the valve rod 3, the anticreep bulge loop 11 is located in the valve deck 2, can
Realize product replacement sealing element with pressure.
Further, 2 top of valve deck is provided with dustband 12, dust can be effectively prevent to enter.
Further, the valve rod 3 is threadedly coupled with skeleton 5 by valve stem nut 13, the valve stem nut 13 and skeleton 5
Between be provided with fastening screw 14.The setting of fastening screw 14 can prevent the valve stem nut 13 when rotation of valve rod 3 from falling back.
Further, there are three O-ring seals for setting between the valve deck 2 and valve rod 3, can reduce friction resistance when switch
Power, is greatly decreased drainage and the construction replacement sealing ring that can not cut off the water, sealing effect are more preferable.
Further, it is additionally provided with hoisting ring 16 on the valve deck 2, facilitates lifting, use is safe.
Further, soft sealing gate valve is divided into rising stem (RS.) and dark bar again, and when for rising stem (RS.), handwheel 15 is set with 2 contact surface of valve deck
It is equipped with copper gasket, mitigates the abrasion to valve deck 2.
Further, valve body 1 and valve deck 2 are spheroidal graphite cast-iron, are sprayed with epoxy powder outside, anticorrosive to get rusty, valve rod spiral shell
Mother 13 is bronze material, and valve rod 3 uses stainless steel material, durable.
Further, 1 intracavity bottom un-grooved of valve body, does not easily cause sundries to deposit, and keeps fluid unblocked.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic
Replacement；And these are modified or replaceed, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (7)
1. a kind of soft sealing gate valve, including valve body (1), it is provided with valve deck (2) on the valve body (1), is arranged on the valve deck (2)
There is through-hole, be provided in the through-hole valve rod (3), valve rod (3) bottom end is connected with flashboard (4), and valve rod (3) top is worn
Handwheel (15) are provided with after valve deck (2) out, which is characterized in that the flashboard (4) includes skeleton (5), skeleton (5) outer cladding
Have rubber layer (6), the front and rear sides on flashboard (4) top are provided with the first sealing (7), the sealing of the valve body (1)
Compatible second sealing (8) with first sealing (7), the lower end surface of first sealing (7) are provided at mouthful
Cooperate with the upper surface of second sealing (8) and seals.
2. a kind of soft sealing gate valve according to claim 1, which is characterized in that the lower end surface of first sealing (7)
It is obliquely installed inwardly, the upper surface of second sealing (8) is obliquely installed and the lower end with first sealing (7)
The cooperation sealing of face inclined-plane.
3. a kind of soft sealing gate valve according to claim 1, which is characterized in that the valve body (1) connects with the flashboard (4)
It is respectively arranged at left and right sides of touching guide groove (9), is respectively arranged with and the guide groove at left and right sides of the flashboard (4)
(9) compatible guide pad (10).
4. a kind of soft sealing gate valve according to claim 1, which is characterized in that it is convex to be provided with anticreep on the valve rod (3)
Ring (11), the anticreep bulge loop (11) are located in the valve deck (2).
5. a kind of soft sealing gate valve according to claim 1, which is characterized in that valve deck (2) top is provided with dust-proof
It encloses (12).
6. a kind of soft sealing gate valve according to claim 1, which is characterized in that the valve rod (3) and skeleton (5) pass through valve
Stem nut (13) is threadedly coupled, and is provided with fastening screw (14) between the valve stem nut (13) and skeleton (5).
7. a kind of soft sealing gate valve according to claim 1, which is characterized in that set between the valve deck (2) and valve rod (3)
O-ring seal there are three setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821462619.4U CN208793673U (en) | 2018-09-07 | 2018-09-07 | A kind of soft sealing gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821462619.4U CN208793673U (en) | 2018-09-07 | 2018-09-07 | A kind of soft sealing gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793673U true CN208793673U (en) | 2019-04-26 |
Family
ID=66208758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821462619.4U Active CN208793673U (en) | 2018-09-07 | 2018-09-07 | A kind of soft sealing gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208793673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725964A (en) * | 2019-10-14 | 2020-01-24 | 远大阀门集团有限公司 | A magnetic locking soft sealing gate valve |
-
2018
- 2018-09-07 CN CN201821462619.4U patent/CN208793673U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725964A (en) * | 2019-10-14 | 2020-01-24 | 远大阀门集团有限公司 | A magnetic locking soft sealing gate valve |
| CN110725964B (en) * | 2019-10-14 | 2021-11-23 | 远大阀门集团有限公司 | Magnetic locking soft sealing gate valve |
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