CN207349487U - A kind of cutting ferrule ball valve - Google Patents
A kind of cutting ferrule ball valve Download PDFInfo
- Publication number
- CN207349487U CN207349487U CN201721232215.1U CN201721232215U CN207349487U CN 207349487 U CN207349487 U CN 207349487U CN 201721232215 U CN201721232215 U CN 201721232215U CN 207349487 U CN207349487 U CN 207349487U
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- China
- Prior art keywords
- valve
- valve body
- graphite
- ball
- graphite bushing
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Abstract
The utility model discloses a kind of cutting ferrule ball valve,Aim to provide a kind of good airproof performance,The cutting ferrule ball valve of service life length,A kind of its key points of the technical solution are that cutting ferrule ball valve,Including valve body,It is placed in the valve deck of valve body one end,The valve ball being placed between valve body and valve deck,The valve rod is equipped with annular groove,The sealing ring contradicted with valve body is arranged with annular groove,The first seal assembly contradicted with valve body is also arranged with valve rod,For compressing the pressure cap of the first seal assembly,First seal assembly includes the first graphite bushing and the second graphite bushing overlapped up and down,The superposed surfaces of first graphite bushing and the second graphite bushing are pyramidal structure,First graphite bushing and the second graphite bushing include some graphite annulus valves and some rubber ring valves,Graphite annulus valve and rubber ring valve are spaced connect and compose loop configuration successively,Connected between graphite annulus valve and rubber ring valve by binding agent,The utility model is suitable for valve technology field.
Description
Technical field
A kind of valve technology field is the utility model is related to, more specifically, it relates to a kind of cutting ferrule ball valve.
Background technology
Ball valve is usually made of valve body, valve rod, handle and the valve ball that is arranged in valve body, and valve rod one end is connected with valve ball,
The other end is connected with handle, in use, can be rotated by rotational handle come band ovable valve stem and valve ball, is realized connection or is blocked valve body
The purpose of interior medium flow channels.At present, the O-ring of the single rubber material of the ball valve sealing mode generally use of in the market,
But often there is the junction of drainage, especially valve rod and valve body in use, in addition, current valve ball interface is single, no
Easily it is adapted to other interfaces, it is not practical enough.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of good airproof performance, service life
Long cutting ferrule ball valve.
To achieve the above object, the utility model provides following technical solution：A kind of cutting ferrule ball valve, including valve body, put
Valve deck in valve body one end, the valve ball being placed between valve body and valve deck, are connected through a screw thread, valve ball and valve between valve body and valve deck
The first sealing ring is equipped between body, the second sealing ring is equipped between valve ball and valve deck, be additionally provided with one end on valve body is connected with valve ball
Valve rod, the valve rod other end is equipped with handle, it is characterized in that：The valve rod is equipped with annular groove, is arranged with annular groove and is contradicted with valve body
Sealing ring, the first seal assembly contradicted with valve body, the pressure cap for compressing the first seal assembly are also arranged with valve rod, the
One seal assembly includes the first graphite bushing and the second graphite bushing overlapped up and down, the first graphite bushing and the second graphite bushing
Superposed surfaces be pyramidal structure, the first graphite bushing and the second graphite bushing include some graphite annulus valves and some rubber rings
Valve, graphite annulus valve and rubber ring valve are spaced successively connects and composes loop configuration, passes through bonding between graphite annulus valve and rubber ring valve
Agent connects.
By using above-mentioned technical proposal, realized by sealing ring and the first seal assembly dual between valve rod and valve body
Sealing function, improves sealing performance, since graphite annulus valve and rubber ring valve are intervally arranged successively, rubber ring valve has more preferable bullet
Property performance, easy to adjust the radial load that graphite annulus valve is subject to, so that the stress of graphite bushing is more balanced, in pressure cap and valve body
Screwing operations in, pressure cap produces the first seal assembly lower pressure, and due to the first graphite bushing and the second graphite bushing
Superposed surfaces are pyramidal structure, then the first graphite bushing stress radial contraction, improve the sealing between the first graphite bushing and valve rod
Property, the second graphite bushing stress is radially expanded, and improves the leakproofness between the second graphite bushing and valve body, the first graphite bushing and
Sealed between second graphite bushing by inclined-plane, the leakproofness between graphite bushing and valve deck is improved, so as to improve valve body, first
Axially loaded between seal assembly and valve rod three, that is, improve the conflict leakproofness between three, and graphite in graphite bushing
Ring valve component accounting is larger, has more preferable wear-resisting property, improves service life.
The utility model is further arranged to：The valve body is additionally provided with adapter, adapter and valve body on one end of valve deck
Between connected by hexagonal nuts, valve body be equipped with adapter face and tapered primary sealing area, adapter is equipped with the
The secondary sealing area of one sealing surface adaptation, secondary sealing area are equipped with card slot, the second sealing group are additionally provided between valve body and adapter
Part, the second seal assembly include the diaphragm seal being placed between primary sealing area and secondary sealing area, the retainer ring being placed in card slot,
Diaphragm seal and retainer ring integrally connected.
By using above-mentioned technical proposal, external pipe fitting is easy in adapter, improves practicality, and hexagonal nuts is sleeved on adapter outer wall,
And be threadedly coupled with valve outer wall, in hexagonal nuts screwing operations, the spacing that primary sealing area and secondary sealing area are placed in can be gradual
Reduce, then the conflict power of diaphragm seal is gradually increased, so that the leakproofness between improving three, and pass through laminated structure, increase
Area is contradicted, further improves sealing area, retainer ring is clamped with card slot, is increased between the second seal assembly and secondary sealing area
Stability.
The utility model is further arranged to：The handle is set on valve rod and is locked by nut, and handle is in butterfly
Structure.
By using above-mentioned technical proposal, by the connection mode of nut, easy to the dismounting of handle, handle is in butterfly knot
Structure, it is ensured that the structural strength of handle.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of cutting ferrule ball valve embodiment of the utility model.
Fig. 2 is the structure diagram of the first seal assembly in a kind of cutting ferrule ball valve embodiment of the utility model.
Fig. 3 is the overlooking the structure diagram of the first graphite bushing in a kind of cutting ferrule ball valve embodiment Fig. 2 of the utility model.
Fig. 4 is the A portions enlarged structure schematic diagram of cutting ferrule ball valve embodiment Fig. 1 of the utility model a kind of.
Embodiment
It is described further referring to figs. 1 to a kind of cutting ferrule ball valve embodiment of 4 pairs of the utility model.
A kind of cutting ferrule ball valve, including valve body 1, the valve deck 2, the valve being placed between valve body 1 and valve deck 2 that are placed in 1 one end of valve body
Ball 3, is connected through a screw thread between valve body 1 and valve deck 2, and the first sealing ring 4, valve ball 3 and valve deck 2 are equipped between valve ball 3 and valve body 1
Between be equipped with the second sealing ring 5, the valve rod 6 that one end is connected with valve ball 3 is additionally provided with valve body 1,6 other end of valve rod is equipped with handle 7,
It is characterized in that：The valve rod 6 is equipped with annular groove, and the sealing ring 8 contradicted with valve body 1 is arranged with annular groove, is also arranged with valve rod 6
The first seal assembly 9 contradicted with valve body 1, the pressure cap 10 for compressing the first seal assembly 9, the first seal assembly 9 includes upper
The superposed surfaces of the first graphite bushing 11 and the second graphite bushing 12 of lower overlapping, the first graphite bushing 11 and the second graphite bushing 12
13 be pyramidal structure, and the first graphite bushing 11 and the second graphite bushing 12 include some graphite annulus valves 14 and some rubber ring valves
15, graphite annulus valve 14 and rubber ring valve 15 are spaced connect and compose loop configuration successively, between graphite annulus valve 14 and rubber ring valve 15
Connected by binding agent.
By using above-mentioned technical proposal, realized by 8 and first seal assembly 9 of sealing ring between valve rod 6 and valve body 1
Dual sealing functions, improve sealing performance, since graphite annulus valve 14 and rubber ring valve 15 are intervally arranged successively, rubber ring valve 15 has
There is more preferable elastic performance, easy to adjust the radial load that graphite annulus valve 14 is subject to, so that the stress of graphite bushing is more balanced,
In the screwing operations of pressure cap 10 and valve body 1, pressure cap 10 produces the first seal assembly 9 lower pressure, and since the first graphite serves as a contrast
11 and second superposed surfaces 13 of graphite bushing 12 of set be pyramidal structure, then 11 stress radial contraction of the first graphite bushing, raising the
Leakproofness between one graphite bushing 11 and valve rod 6,12 stress of the second graphite bushing are radially expanded, and improve the second graphite bushing 12
With the leakproofness between valve body 1, sealed between the first graphite bushing 11 and the second graphite bushing 12 by inclined-plane, improve graphite lining
Leakproofness between set and valve deck 2, so as to improve the axially loaded between 6 three of valve body 1, the first seal assembly 9 and valve rod, i.e.,
The conflict leakproofness between three is improved, and 14 component accounting of graphite annulus valve is larger in graphite bushing, has more preferable wearability
Can, improve service life.
The utility model is further arranged to：The valve body 1 is additionally provided with adapter 16, adapter 16 on one end of valve deck 2
Be connected between valve body 1 by hexagonal nuts 17, valve body 1 be equipped with 16 face of adapter and tapered primary sealing area 18,
Adapter 16 is equipped with the secondary sealing area 19 being adapted to primary sealing area 18, and secondary sealing area 19 is equipped with card slot, and valve body 1 is with connecing
The second seal assembly 20 is additionally provided between pipe 16, the second seal assembly 20 includes being placed in primary sealing area 18 and secondary sealing area 19
Between diaphragm seal 21, the retainer ring 22 that is placed in card slot, diaphragm seal 21 and 22 integrally connected of retainer ring.
By using above-mentioned technical proposal, external pipe fitting is easy in adapter 16, improves practicality, and hexagonal nuts 17 is sleeved on adapter 16
Outer wall, and be connected with 1 outer wall thread of valve body, in 17 screwing operations of hexagonal nuts, primary sealing area 18 and secondary sealing area 19 are placed in
Spacing can be gradually reduced, then the conflict power of diaphragm seal 21 is gradually increased, so that the leakproofness between improving three, and passed through
Laminated structure, increase contradict area, further improve sealing area, and retainer ring 22 is clamped with card slot, increases by the second seal assembly
Stability between 20 and secondary sealing area 19.
The utility model is further arranged to：The handle 7 is set on valve rod 6 and is locked by nut 23, and handle 7 is in
Butterfly structure.
By using above-mentioned technical proposal, by the connection mode of nut 23, easy to the dismounting of handle 7, handle 7 is in butterfly
Structure, it is ensured that the structural strength of handle 7.
The above is only the preferred embodiment of the present invention, is not intended to limit 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 the guarantor of the utility model
In the range of shield.
Claims (3)
1. a kind of cutting ferrule ball valve, including valve body（1）, be placed in valve body（1）The valve deck of one end（2）, be placed in valve body（1）And valve deck（2）
Between valve ball（3）, valve body（1）With valve deck（2）Between be connected through a screw thread, valve ball（3）With valve body（1）Between be equipped with it is first close
Seal ring（4）, valve ball（3）With valve deck（2）Between be equipped with the second sealing ring（5）, valve body（1）On be additionally provided with one end and valve ball（3）Even
The valve rod connect（6）, valve rod（6）The other end is equipped with handle（7）, it is characterized in that：The valve rod（6）It is equipped with annular groove, annular groove inner sleeve
It is equipped with and valve body（1）The sealing ring of conflict（8）, valve rod（6）On be also arranged with and valve body（1）The first seal assembly contradicted（9）、
For compressing the first seal assembly（9）Pressure cap（10）, the first seal assembly（9）Including the first graphite bushing overlapped up and down
（11）With the second graphite bushing（12）, the first graphite bushing（11）With the second graphite bushing（12）Superposed surfaces（13）For taper knot
Structure, the first graphite bushing（11）With the second graphite bushing（12）Include some graphite annulus valves（14）With some rubber ring valves
（15）, graphite annulus valve（14）With rubber ring valve（15）Interval connects and composes loop configuration, graphite annulus valve successively（14）And rubber ring
Valve（15）Between connected by binding agent.
2. a kind of cutting ferrule ball valve according to claim 1, it is characterized in that：The valve body is additionally provided with one end of valve deck
Adapter（16）, adapter（16）With valve body（1）Between pass through hexagonal nuts（17）Connection, valve body（1）It is equipped with and adapter（16）Face
And tapered primary sealing area（18）, adapter（16）It is equipped with and primary sealing area（18）The secondary sealing area of adaptation
（19）, secondary sealing area（19）It is equipped with card slot, valve body（1）With adapter（16）Between be additionally provided with the second seal assembly（20）, the
Two seal assemblies（20）Including being placed in primary sealing area（18）And secondary sealing area（19）Between diaphragm seal（21）, be placed in card slot
Interior retainer ring（22）, diaphragm seal（21）With retainer ring（22）Integrally connected.
3. a kind of cutting ferrule ball valve according to claim 1, it is characterized in that：The handle（7）It is set in valve rod（6）Go up and lead to
Cross nut（23）Locking, handle（7）In butterfly structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232215.1U CN207349487U (en) | 2017-09-25 | 2017-09-25 | A kind of cutting ferrule ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232215.1U CN207349487U (en) | 2017-09-25 | 2017-09-25 | A kind of cutting ferrule ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349487U true CN207349487U (en) | 2018-05-11 |
Family
ID=62410672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721232215.1U Active CN207349487U (en) | 2017-09-25 | 2017-09-25 | A kind of cutting ferrule ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349487U (en) |
-
2017
- 2017-09-25 CN CN201721232215.1U patent/CN207349487U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 317600 No. 8, happiness Road, bingang industrial city, Yuhuan, Taizhou, Zhejiang Patentee after: Taizhou Rudi valve Limited by Share Ltd Address before: 317607 No. 8, happiness Road, bingang industrial city, Yuhuan County, Taizhou, Zhejiang Patentee before: Valve Co., Ltd. Taizhou Rui di |
|
| CP03 | Change of name, title or address |