CN205745617U - A kind of valve with ball seal volution - Google Patents
A kind of valve with ball seal volution Download PDFInfo
- Publication number
- CN205745617U CN205745617U CN201521143975.6U CN201521143975U CN205745617U CN 205745617 U CN205745617 U CN 205745617U CN 201521143975 U CN201521143975 U CN 201521143975U CN 205745617 U CN205745617 U CN 205745617U
- Authority
- CN
- China
- Prior art keywords
- valve
- volution
- valve rod
- annular
- seal
- 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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Abstract
The utility model discloses a kind of valve with ball seal volution, described valve includes valve rod, upper cover and spheroid, valve body, valve seat, ball seal volution it is provided with on valve rod above described spheroid, described ball seal volution is provided with female thread, valve rod is provided with the external screw thread of cooperating therewith use, described external screw thread lower end be provided with spacing block set, described ball seal volution outer circle wall is provided with groove, is provided with the 4th sealing ring in described groove.Utilize structure of the present utility model can reach preferable sealing effectiveness, it is simple to promotion and application.
Description
Technical field
This utility model relates to the valve technology field that control piper cut-offs, and particularly relates to a kind of close with spheroid
The valve of envelope volution.
Background technology
Valve (ball valve), defined in standard GB/T21465-2008 " valve term " be: opening and closing element (spheroid) by
Valve rod drives, and the valve rotated around valve axis.Also can be used for regulation and the control of fluid, the most firmly seal V-type
Between valve its V-type core and metal seat valve of pile-up welding hard alloy, there is the strongest shearing force, be particularly well-suited to fibre-bearing, micro-
The medium of little solid particle etc..And multiway valve not only can control cutting of the interflow of medium, shunting and the flow direction on pipeline flexibly
Change, also can close arbitrary passage simultaneously and make two other passage be connected.This class valve the most typically should be horizontally mounted.
Valve is divided into according to type of drive: operated pneumatic valve, electrically operated valve, manually-operated gate.
Valve of the prior art, owing to spheroid needs often to rotate, therefore, the sealing with valve seat of spheroid can be by relatively
Big challenge.In consideration of it, this utility model provides a kind of valve with ball seal volution.
Utility model content
The purpose of this utility model is for technological deficiency present in prior art, and provides a kind of with ball seal
The valve of volution.
For realizing the purpose of this utility model, this utility model be the technical scheme is that a kind of with ball seal
The valve of volution, described valve includes valve rod, upper cover and spheroid, valve body, valve seat, the valve rod above described spheroid is provided with
Ball seal volution, described ball seal volution is provided with female thread, is provided with the outer spiral shell of cooperating therewith use on valve rod
Stricture of vagina, described external screw thread lower end be provided with spacing block set, described ball seal volution outer circle wall is provided with groove, described groove
Inside it is provided with the 4th sealing ring.
Preferably, being provided with sealing structure between described valve rod and valve body, described sealing structure includes box nut, thrust
Ring, is disposed with the first seal groove, first annular groove and the second annular groove from top to bottom in described upper box nut, and first
Sealing ring is used in combination with described first seal groove, described first annular groove and the second annular groove respectively be arranged on valve
First annular projection and the second annular lug on bar are used in combination, and are provided with thrust ring below described upper box nut, described
Being provided with the second sealing ring between upper box nut and thrust ring, described thrust ring lateral wall is connected with described upper cover inwall, institute
Being provided with the 3rd annular groove and fourth annular groove in stating thrust ring, described 3rd annular groove is with fourth annular groove respectively
It is used in combination with the 3rd annular lug being arranged on valve rod and the 3rd annular lug, below described thrust ring, is provided with the 3rd
Sealing ring.
Compared with prior art, the beneficial effects of the utility model are: utilize structure of the present utility model can reach relatively
Good sealing effectiveness, it is simple to promotion and application.
Accompanying drawing explanation
Fig. 1 show the structural representation of this utility model embodiment；
Fig. 2 show the structural representation of the upper box nut that this utility model provides；
Fig. 3 show the structural representation of the thrust ring that this utility model provides；
In figure: 1-valve rod, 2-the first sealing ring, the upper box nut of 3-, 4-the second sealing ring, 5-upper cover, 6-thrust ring, 7-
Three sealing rings.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.Should be appreciated that this place
The specific embodiment described, only in order to explain this utility model, is not used to limit this utility model.
It should be noted that, " connection " described herein and be used for expressing the word of " connection ", as " being connected ",
" being connected ", it both may refer to a certain parts and had been directly connected to another parts, it is also possible to refer to a certain parts by other portions
Part is connected with another parts.
Embodiment 1
As shown in Figure 1-Figure 3, a kind of valve with ball seal volution of the present embodiment, described valve include valve rod, on
Lid and spheroid, valve body, valve seat, the valve rod above described spheroid is provided with ball seal volution, described ball seal volution
Being provided with female thread, be provided with the external screw thread of cooperating therewith use on valve rod, being provided with of described external screw thread lower end is spacing
Projection, described ball seal volution outer circle wall is provided with groove, is provided with the 4th sealing ring in described groove.
Preferably, being provided with sealing structure between described valve rod and valve body, described sealing structure includes box nut, thrust
Ring, is disposed with the first seal groove, first annular groove and the second annular groove from top to bottom in described upper box nut, and first
Sealing ring is used in combination with described first seal groove, described first annular groove and the second annular groove respectively be arranged on valve
First annular projection and the second annular lug on bar are used in combination, and are provided with thrust ring below described upper box nut, described
Being provided with the second sealing ring between upper box nut and thrust ring, described thrust ring lateral wall is connected with described upper cover inwall, institute
Being provided with the 3rd annular groove and fourth annular groove in stating thrust ring, described 3rd annular groove is with fourth annular groove respectively
It is used in combination with the 3rd annular lug being arranged on valve rod and the 3rd annular lug, below described thrust ring, is provided with the 3rd
Sealing ring.
Compared with prior art, the beneficial effects of the utility model are: utilize structure of the present utility model can reach relatively
Good sealing effectiveness, it is simple to promotion and application.
In order to strengthen the sealing between upper cover and valve body, the bottom face at described upper cover is provided with annular shoulder, described
The upper surface of valve body is provided with valve body recess, and described annular shoulder is used in combination with described valve body recess, and sets between the two
It is equipped with sealing ring, good sealing effectiveness can be realized by this structure.
The lower end of described valve rod is provided with screw thread, and described valve rod is connected with described spheroid by screw thread, the when of use,
By rotary screw, spheroid is risen or fallen.
Embodiment 2
In order to realize automatically controlling of valve in the present embodiment, the present embodiment provides a kind of simple in construction, effect preferable
Control structure, is provided with travelling gear on valve rod top, and travelling gear is connected with driving rack, driving rack and the piston of cylinder
Bar is connected, and described cylinder is connected with air pump.Control tooth bar stretching motion by cylinder, thus control travelling gear and realize valve
The opening and closing of door, both simple in construction, cost is the lowest, and effect might as well.
Embodiment 3
Owing to valve cannot observe the Guan Bi degree of spheroid effectively, therefore, in the present embodiment, in the upper surface of upper cover
On be fixedly connected with graduated disc, described valve rod arranges angle indicator, angle indicator along with valve rod synchronous axial system, thus, rotation
The when of rotating valve rod, can effectively monitor the Guan Bi degree of spheroid.
The above is only preferred implementation of the present utility model, it is noted that general for the art
For logical technical staff, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these change
Enter and retouch and also should be regarded as protection domain of the present utility model.
Claims (2)
1. the valve with ball seal volution, it is characterised in that described valve includes valve rod, upper cover and spheroid, valve
Body, valve seat, the valve rod above described spheroid is provided with ball seal volution, and described ball seal volution is provided with female thread,
Valve rod is provided with the external screw thread of cooperating therewith use, described external screw thread lower end be provided with spacing block set, described spheroid
Seal volution outer circle wall and be provided with groove, in described groove, be provided with the 4th sealing ring.
Valve with ball seal volution the most according to claim 1, it is characterised in that between described valve rod and valve body
Being provided with sealing structure, described sealing structure includes box nut, thrust ring, sets gradually from top to bottom in described upper box nut
The first seal groove, first annular groove and the second annular groove, the first sealing ring is had to be used in combination with described first seal groove,
Described first annular groove and the second annular groove respectively with the first annular projection being arranged on valve rod and the second annular lug
It is used in combination, is provided with thrust ring below described upper box nut, is provided with second between described upper box nut and thrust ring close
Seal, described thrust ring lateral wall is connected with described upper cover inwall, is provided with the 3rd annular groove and in described thrust ring
Four annular grooves, described 3rd annular groove and fourth annular groove respectively with the 3rd annular lug being arranged on valve rod and the
Three annular lugs are used in combination, and are provided with the 3rd sealing ring below described thrust ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143975.6U CN205745617U (en) | 2015-12-31 | 2015-12-31 | A kind of valve with ball seal volution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143975.6U CN205745617U (en) | 2015-12-31 | 2015-12-31 | A kind of valve with ball seal volution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745617U true CN205745617U (en) | 2016-11-30 |
Family
ID=57388629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521143975.6U Expired - Fee Related CN205745617U (en) | 2015-12-31 | 2015-12-31 | A kind of valve with ball seal volution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745617U (en) |
-
2015
- 2015-12-31 CN CN201521143975.6U patent/CN205745617U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20211231 |