CN207018557U - One kind takes out rod type gate valve - Google Patents
One kind takes out rod type gate valve Download PDFInfo
- Publication number
- CN207018557U CN207018557U CN201720830100.6U CN201720830100U CN207018557U CN 207018557 U CN207018557 U CN 207018557U CN 201720830100 U CN201720830100 U CN 201720830100U CN 207018557 U CN207018557 U CN 207018557U
- Authority
- CN
- China
- Prior art keywords
- valve
- bonnet
- ring
- sealing
- valve rod
- 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.)
- Expired - Fee Related
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses one kind to take out rod type gate valve,Aim to provide a kind of high leakproofness,High life takes out rod type gate valve,Its drip irrigation device is that one kind takes out rod type gate valve,Including valve body,The bonnet being connected with valve body,Bonnet is provided with valve rod hole,Valve rod hole is provided with valve rod,Valve rod one end is provided with the flashboard being placed in valve body,Valve rod is threadedly coupled with flashboard,The valve body is provided with the internal thread hole for being used for being connected with bonnet,Bonnet includes the external screw thread being adapted to internal thread hole and is placed in bonnet outer wall and the spacing ring contradicted with valve body,The thickness of spacing ring from spacing ring direction progressive additive from periphery wall to bonnet,The orifice end of internal thread hole is provided with annular groove,The seal being adapted to annular groove is provided with annular groove,Seal includes the first sealing contradicted with spacing ring and the second sealing contradicted with external screw thread,The utility model is applied to valve technology field.
Description
Technical field
A kind of valve technology field is the utility model is related to, more specifically, it relates to which one kind takes out rod type gate valve.
Background technology
It is that the direction of motion of flashboard and the perpendicular valve of flow direction, flashboard are rotated with valve rod, will revolved to take out rod type gate valve
Transhipment is dynamic to be changed into moving along a straight line, so as to realize the lifting campaign of flashboard.
At present, the method for in the market takes out rod type gate valve, and valve board structure is not reasonable, uses easily generation leak after a period of time
Phenomenon, bonnet and valve body fiting effect are bad, sealing deficiency, and single sealing ring is arranged on valve rod and is used to seal, and seal
Effect is also single, and easily abrasion, causes sealing to reduce.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of high leakproofness, high life
Take out rod type gate valve.
To achieve the above object, the utility model provides following technical scheme：One kind takes out rod type gate valve, including valve body,
The bonnet being connected with valve body, bonnet are provided with valve rod hole, and valve rod hole is provided with valve rod, and valve rod one end is provided with the lock being placed in valve body
Plate, valve rod are threadedly coupled with flashboard, it is characterized in that：The valve body is provided with the internal thread hole for being used for being connected with bonnet, bonnet bag
Include the external screw thread being adapted to internal thread hole and be placed in bonnet outer wall and the spacing ring contradicted with valve body, the thickness of spacing ring is by spacing
To the direction progressive additive of bonnet, the orifice end of internal thread hole is provided with annular groove, is provided with annular groove and fitted with annular groove the periphery wall of ring
The seal matched somebody with somebody, seal include the first sealing contradicted with spacing ring and the second sealing contradicted with external screw thread, annular groove
Neck is inside additionally provided with, the first sealing is provided with the projection being adapted to neck, and the bottom land of width of rebate to the neck of neck is gradual
Reduce.
By using above-mentioned technical proposal, valve body is threadedly coupled with bonnet, and spacing ring contradicts with valve body, increases valve body and valve
Sealing between lid, the thickness of spacing ring from spacing ring direction progressive additive from periphery wall to bonnet, improve spacing ring with
Bonding strength between bonnet, seal can further increase the sealing between bonnet and valve body, and valve body screws with bonnet
When, the first sealing is compressed by spacing ring, increases the sealing between internal thread hole aperture end face and spacing ring, the second sealing
Portion can increase the sealing between internal thread hole hole wall and external screw thread, and so as to further function as sealing function, projection can be with embedding
In in neck, preventing in screwing operations seal to produce play, and because the bottom land of width of rebate to the neck of neck gradually subtracts
Small, the raised clamping force with neck gradually increases, and can also increase sealing.
The utility model is further arranged to：The valve rod is provided with some reinforcing rings being adapted to valve rod hole, and two is adjacent
Annular groove is formed between reinforcing ring, sealing ring is provided with annular groove, sealing ring includes graphite-seal ring and is placed in graphite-seal ring outer layer
Rubber ring, bonnet inwall is provided with the limited block contradicted with reinforcing ring, is also arranged with the pressure cap being connected with bonnet on valve rod.
By using above-mentioned technical proposal, reinforcing ring can increase the structural strength of valve rod, and valve rod passes through limited block and pressure
Cap is axially fixed on bonnet, and sealing ring is used to ensure the sealing between valve rod and bonnet, and sealing ring includes graphite-seal ring
With the rubber ring for being placed in graphite-seal ring outer layer, graphite-seal ring has more preferable anti-wear performance, and rubber ring has good bullet
Property deformability, so as to improve the sealing property of sealing ring and service life.
The utility model is further arranged to：One end that the valve rod is placed on the outside of valve body is provided with limiting section and screw thread
Portion, limiting section, which is provided with engaging, handwheel, and threaded portion is provided with the stop nut for being used for fixing handwheel.
By using above-mentioned technical proposal, limiting section is adapted to handwheel, controls valve rod to rotate by handwheel, loosens nut use
In fixed handwheel.
Brief description of the drawings
Fig. 1 is a kind of structural representation for taking out rod type gate valve embodiment of the utility model.
Fig. 2 is a kind of A portions mplifying structure schematic diagram for taking out rod type gate valve embodiment Fig. 1 of the utility model.
Fig. 3 is a kind of structural representation for taking out sealing ring in rod type gate valve embodiment of the utility model.
Embodiment
Rod type gate valve embodiment is taken out referring to figs. 1 to 3 pairs of the utility model one kind to be described further.
One kind takes out rod type gate valve, including valve body 1, the bonnet 2 that is connected with valve body 1, bonnet 2 are provided with valve rod hole, valve rod hole
Valve rod 3 is provided with, the one end of valve rod 3 is provided with the flashboard 4 being placed in valve body 1, and valve rod 3 is threadedly coupled with flashboard 4, it is characterized in that：Institute
State valve body 1 and be provided with the internal thread hole 5 for being used for being connected with bonnet 2, bonnet 2 includes the external screw thread being adapted to internal thread hole 5 and put
In the outer wall of bonnet 2 and the spacing ring 6 that is contradicted with valve body 1, the thickness of spacing ring 6 is from the periphery wall of spacing ring 6 to the direction of bonnet 2
Progressive additive, the orifice end of internal thread hole 5 are provided with annular groove, are provided with the seal 7 being adapted to annular groove in annular groove, seal 7 wraps
The first sealing 8 contradicted with spacing ring 6 and the second sealing 9 contradicted with external screw thread are included, neck 10 is additionally provided with annular groove, the
One sealing 8 is provided with the projection being adapted to neck 10, and the bottom land of width of rebate to the neck 10 of neck 10 is gradually reduced.
By using above-mentioned technical proposal, valve body 1 is threadedly coupled with bonnet 2, and spacing ring 6 contradicts with valve body 1, increases valve body
Sealing between 1 and bonnet 2, the thickness of spacing ring 6 improve from the periphery wall of spacing ring 6 to the direction progressive additive of bonnet 2
Bonding strength between spacing ring 6 and bonnet 2, seal 7 can further increase the sealing between bonnet 2 and valve body 1, valve
When body 1 and bonnet 2 screw, the first sealing 8 is compressed by spacing ring 6, the increase aperture end face of internal thread hole 5 and spacing ring 6 it
Between sealing, the second sealing 9 can increase the sealing between the hole wall of internal thread hole 5 and external screw thread, so as to further serve as
To sealing function, projection can be embedded in neck 10, prevent that seal 7 produces play in screwing operations, and due to neck 10
The bottom land of width of rebate to neck 10 is gradually reduced, and the raised clamping force with neck 10 gradually increases, and can also increase sealing.
The utility model is further arranged to：The valve rod 3 is provided with some reinforcing rings 11 being adapted to valve rod hole, two-phase
Annular groove is formed between adjacent reinforcing ring 11, sealing ring 12 is provided with annular groove, sealing ring 12 includes graphite-seal ring 13 and is placed in graphite
The rubber ring 14 of the outer layer of sealing ring 13, the inwall of bonnet 2 are provided with the limited block 15 contradicted with reinforcing ring 11, are also arranged with valve rod 3
The pressure cap 16 being connected with bonnet 2.
By using above-mentioned technical proposal, reinforcing ring 11 can increase the structural strength of valve rod 3, and valve rod 3 passes through limited block
15 and pressure cap 16 be axially fixed on bonnet 2, sealing ring 12 is used to ensure sealing between valve rod 3 and bonnet 2, sealing ring 12
Including graphite-seal ring 13 and the rubber ring 14 for being placed in the outer layer of graphite-seal ring 13, graphite-seal ring 13 has more preferable wearability
Can, rubber ring 14 has good elastic deformation ability, so as to improve the sealing property of sealing ring and service life.
The utility model is further arranged to：One end that the valve rod 3 is placed in the outside of valve body 1 is provided with limiting section 17 and spiral shell
Line portion 18, limiting section 17, which is provided with engaging, handwheel 19, and threaded portion 18 is provided with the stop nut 20 for being used for fixing handwheel 19.
By using above-mentioned technical proposal, limiting section 17 is adapted to handwheel 19, is controlled valve rod 3 to rotate by handwheel 19, is prevented
Loose nut 20 is used to fix handwheel 19.
Preferred embodiment of the present utility model is the foregoing is only, not limiting the utility model, the skill of this area
Art personnel carry out common variations and alternatives in the range of technical solutions of the utility model should all be included in guarantor of the present utility model
In the range of shield.
Claims (3)
1. one kind takes out rod type gate valve, including valve body, the bonnet that is connected with valve body, bonnet are provided with valve rod hole, and valve rod hole is provided with
Valve rod, valve rod one end are provided with the flashboard being placed in valve body, and valve rod is threadedly coupled with flashboard, it is characterized in that：The valve body is provided with
For the internal thread hole being connected with bonnet, bonnet includes the external screw thread being adapted to internal thread hole and is placed in bonnet outer wall and and valve body
The spacing ring of conflict, the thickness of spacing ring is from the periphery wall of spacing ring to the direction progressive additive of bonnet, the aperture of internal thread hole
End is provided with annular groove, and the seal being adapted to annular groove is provided with annular groove, and seal includes the first sealing contradicted with spacing ring
With the second sealing contradicted with external screw thread, neck is additionally provided with annular groove, the first sealing is provided with the projection being adapted to neck,
The bottom land of the width of rebate of neck to neck is gradually reduced.
2. one kind according to claim 1 takes out rod type gate valve, it is characterized in that：The valve rod is fitted provided with some with valve rod hole
The reinforcing ring matched somebody with somebody, annular groove is formed between two adjacent reinforcing rings, sealing ring is provided with annular groove, sealing ring includes graphite-seal ring and put
In the rubber ring of graphite-seal ring outer layer, bonnet inwall is provided with the limited block contradicted with reinforcing ring, is also arranged with valve rod and valve
Cover the pressure cap of connection.
3. one kind according to claim 1 takes out rod type gate valve, it is characterized in that：The valve rod is placed on one end on the outside of valve body
Provided with limiting section and threaded portion, limiting section, which is provided with engaging, handwheel, and threaded portion is provided with the stop nut for being used for fixing handwheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720830100.6U CN207018557U (en) | 2017-07-10 | 2017-07-10 | One kind takes out rod type gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720830100.6U CN207018557U (en) | 2017-07-10 | 2017-07-10 | One kind takes out rod type gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018557U true CN207018557U (en) | 2018-02-16 |
Family
ID=61483989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720830100.6U Expired - Fee Related CN207018557U (en) | 2017-07-10 | 2017-07-10 | One kind takes out rod type gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111719671A (en) * | 2020-06-22 | 2020-09-29 | 四川环宇建筑设计有限公司 | Rainwater storage, infiltration and utilization system |
-
2017
- 2017-07-10 CN CN201720830100.6U patent/CN207018557U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111719671A (en) * | 2020-06-22 | 2020-09-29 | 四川环宇建筑设计有限公司 | Rainwater storage, infiltration and utilization system |
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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: 20180216 Termination date: 20190710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |