CN206988437U - A kind of high pressure sealing valve - Google Patents
A kind of high pressure sealing valve Download PDFInfo
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- CN206988437U CN206988437U CN201720960027.4U CN201720960027U CN206988437U CN 206988437 U CN206988437 U CN 206988437U CN 201720960027 U CN201720960027 U CN 201720960027U CN 206988437 U CN206988437 U CN 206988437U
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- flap
- valve
- annular groove
- valve rod
- locating part
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Abstract
It the utility model is related to high pressure valve technical field.The valve rod of existing technology mesohigh valve is with flap by ball rotation connection and axial limiting, and in the case where valve is chronically at sealing state, ball is yielding, damage, and valve service life is low.The utility model provides a kind of high pressure sealing valve, including valve body, valve seat, flap and the valve rod being arranged in valve body, flap is rotatablely connected with valve rod, the annular groove and locating part for axial limiting are provided with two joint faces between flap and valve rod, annular groove is disposed therein on a joint face, and locating part is connected on another joint face, and a part for locating part is located in annular groove and contacted therewith；Flap is provided with a through hole for being used to install locating part, and through hole connects with annular groove；In valve seal state, the contact area of position-limitting pin and annular groove is big and contact surface is axially vertical with valve rod, pressure on contact surface is diminished, is unlikely to deform, extends valve service life.
Description
Technical field
High pressure valve technical field is the utility model is related to, more specifically a kind of high pressure sealing valve.
Background technology
High pressure valve of the prior art includes valve body, the valve seat and flap being arranged in valve body, and valve rod is connected with flap,
And the keying between flap and valve seat is controlled by valve rod, a section is respectively equipped with the side wall that valve rod is connected with flap is
Semicircular annular groove, a section is formed between two annular grooves as circular annular accommodating chamber, is set in annular accommodating chamber
There are some balls for axial limiting, and valve rod is rotatablely connected with flap by ball.
In valve seal state, valve rod is tightly compressed flap on valve seat to reach preferable sealing effectiveness.Now
Valve rod and flap geo-stationary, because the contact site of ball and valve rod and flap is that linear contact lay is in camber line, therefore the line of ball
Contact site is by larger pressure, while the linear contact lay portion of ball caused shearing force also between by two annular grooves, in valve
Collective effect through larger for a long time pressure and shearing force under sealing state, the contact site of ball is yielding, or even damage, shadow
The use of valve is rung, reduces valve service life.
Utility model content
Technical problem to be solved in the utility model is the defects of overcoming above-mentioned prior art to exist, there is provided a kind of high pressure
Sealing valve, its valve rod and flap attachment structure are stable, valve service life length.
To achieve the above object, the utility model is achieved by the following technical programs：A kind of high pressure sealing valve, including
Valve body, valve seat, flap and the valve rod being arranged in valve body, flap are rotatablely connected with valve rod, and two between flap and valve rod
Joint face is provided with annular groove and locating part for axial limiting, and the annular groove is disposed therein on a joint face,
The locating part is connected on another joint face, and a part for locating part is located in the annular groove and contacted therewith；
The flap is provided with a through hole for being used to install locating part, and the through hole connects with annular groove.
Using above-mentioned technical proposal, annular groove and spacing is set respectively on the joint face of flap and valve body between the two
Part, and locating part is fixed on wherein on a joint face, is engaged by annular groove with locating part and is carried out axial limit to flap
Position, ensure while flap and valve rod can relatively rotate flap without departing from；And in valve seal state, valve rod is on the one hand
Flap is propped up, on the other hand compresses annular groove indirectly by locating part, because locating part is affixed on flap or valve rod, because
The contact surface of this locating part and annular groove is much bigger compared to the ball and the contact surface of annular groove that can be rolled, and
The contact surface of locating part and annular groove can be perpendicular to valve rod axial direction, and the circular arc line compared to ball and annular groove connects
Touch, its contact surface pressure is smaller, therefore more not easy damaged, extends the service life of valve.
The further preferred scheme of the utility model is：The annular groove is arranged on the joint face of valve rod, described spacing
Part is set to position-limitting pin, and position-limitting pin is arranged in the through hole and is fixed in flap and a part for position-limitting pin is positioned at described
In annular groove.
The further preferred scheme of the utility model is：The annular groove is arranged on the joint face of flap, described spacing
Part is set to position-limitting pin, and one end of position-limitting pin is fixedly connected with the valve rod, and the other end is located in the annular groove.
The further preferred scheme of the utility model is：The locating part be provided with it is some, some locating parts around valve rod circumferentially
Distribution.
Using above-mentioned technical proposal, in sealing state, multiple locating parts can mitigate the pressure from valve rod, extend valve
Service life.
The utility model is more preferably：The annular groove is provided with some, axial direction of some annular grooves along valve rod
Distribution.
The utility model is more preferably：The flap outer wall is provided with rising head；When the flap separates with valve seat, valve body
Rising head described in interior media impingement makes flap be rotated on the valve rod.
By using above-mentioned technical proposal, rising head can be impacted after valve opening, during media flow in valve, makes flap
In being rotated on valve rod, avoid medium from fixing and impact certain on valve clack sealing surface and cause sealing surface breakage, influence valve,
Improve the service life of valve.
The utility model is more preferably：The rising head is in triangular prism shape, and rising head is integrally formed setting with the flap,
The one side of rising head and the outer wall of flap are tangent.
In summary, the utility model has the advantages that：First, in valve seal state, position-limitting pin and ring
The contact area of connected in star is big and contact surface is axially vertical with valve rod, pressure on contact surface is diminished, is unlikely to deform, and extends valve
Service life；2nd, when valve is opened, because rising head can drive flap to rotate under media impingement, make media impingement flap close
The position of front cover is not fixed, and extends the service life of valve.
Brief description of the drawings
Fig. 1 is the sectional view figure of embodiment 1；
Fig. 2 is the structural representation of the flap of embodiment 1 and valve rod；
Fig. 3 is the partial sectional view of the flap of embodiment 1 and valve rod；
Fig. 4 is the structural representation of the flap of embodiment 2 and valve rod；
Fig. 5 is the partial sectional view of the flap of embodiment 2 and valve rod.
In figure：1st, valve body；2nd, valve seat；3rd, flap；4th, valve rod；5th, annular groove；6th, locating part；7th, through hole；8th, rising head.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
The present embodiment is only that it is not to limitation of the present utility model, this area skill to explanation of the present utility model
Art personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as
All protected in right of the present utility model by Patent Law.
Embodiment 1：As shown in Figure 1, Figure 2 and Figure 3, a kind of high pressure sealing valve, including valve body 1 are shown, is arranged at valve body 1
Interior valve seat 2, flap 3 and valve rod 4.Flap 3 is rotatablely connected with valve rod 4, and the bottom surface of valve rod 4 and the inner bottom surface of flap 3 offset.
The annular groove 5 and locating part 6 for axial limiting, annular groove 5 are provided with two joint faces between flap 3 and valve rod 4
It is disposed therein on a joint face, locating part 6 is connected on another joint face, and a part for locating part 6 is located at annular groove 5
In and contact therewith；Flap 3 is provided with a through hole 7 for being used to install locating part 6, and through hole 7 connects with annular groove 5.
In the present embodiment, annular groove 5 is arranged on the joint face of valve rod 4, and locating part 6 is set to position-limitting pin, spacing
Pin is arranged in through hole 7 and is fixed in flap 3 and a part for position-limitting pin is located in annular groove 5.
The outer wall of flap 3 is provided with rising head 8；Rising head 8 is in triangular prism shape, and rising head 8 and flap 3 are integrally formed setting, and the one of rising head 8
Side and the outer wall of flap 3 are tangent, and another side and the outer wall of flap 3 are perpendicular.When flap 3 separates with valve seat 2, it is situated between in valve body 1
Matter impact rising head 8 makes flap 3 be rotated on valve rod 4.
Embodiment 2：As shown in Figure 4 and Figure 5, show that a kind of valve rod 4 of high pressure sealing valve and the another of flap 3 are to implement
Scheme.Embodiment 2 in place of the difference of embodiment 1 with being：In example 2, annular groove 5 is arranged at the joint face of flap 3
On, locating part 6 is set to position-limitting pin, and position-limitting pin is provided with some, and some position-limitting pins are circumferentially distributed around valve rod 4.It is spacing
One end of pin is fixedly connected with valve rod 4, and connected mode can be that interference fit can also be threaded connection；Fixed another of spacer pin
One end is located in annular groove 5.Other structures are same as Example 1 with feature.Due to position-limitting pin and valve rod in embodiment 2
4 connections, to prevent medium from being entered by through hole 7 in annular groove 5, position-limitting pin is being installed to on valve rod 4 it by through hole 7
Afterwards, through hole 7 can be blocked using a seal.
In Examples 1 and 2, the quantity of annular groove 5 only sets one；Several are also provided with, and some annulars are recessed
Groove 5 is distributed along the axial direction of valve rod 4, and a segment distance is kept between adjacent annular groove 5.
Claims (7)
1. a kind of high pressure sealing valve, including valve body（1）, it is arranged at valve body（1）Interior valve seat（2）, flap（3）And valve rod（4）,
Flap（3）With valve rod（4）Rotation connection, in flap（3）With valve rod（4）Between two joint faces be provided with for axial limiting
Annular groove（5）And locating part（6）, it is characterised in that：The annular groove（5）It is disposed therein on a joint face, the limit
Position part（6）It is connected on another joint face, and locating part（6）A part be located at the annular groove（5）In and connect therewith
Touch；The flap（3）One is provided with to be used to locating part be installed（6）Through hole（7）, the through hole（7）With annular groove（5）Even
It is logical.
2. sealing valve according to claim 1, it is characterised in that：The annular groove（5）It is arranged at valve rod（4）Connection
On face, the locating part（6）Position-limitting pin is set to, position-limitting pin is arranged in the through hole（7）And it is fixed on flap（3）Interior and limit
A part for position pin is located at the annular groove（5）It is interior.
3. sealing valve according to claim 1, it is characterised in that：The annular groove（5）It is arranged at flap（3）Connection
On face, the locating part（6）It is set to position-limitting pin, one end of position-limitting pin and the valve rod（4）It is fixedly connected, the other end is located at
The annular groove（5）It is interior.
4. sealing valve according to claim 1, it is characterised in that：The locating part（6）Provided with some, some locating parts
（6）Around valve rod（4）Circumferentially it is distributed.
5. sealing valve according to claim 1, it is characterised in that：The annular groove（5）Provided with some, some annulars are recessed
Groove（5）Along valve rod（4）Axial direction distribution.
6. high pressure sealing valve according to any one of claim 1 to 5, it is characterised in that：The flap（3）Outer wall is provided with
Rising head（8）；The flap（3）With valve seat（2）During separation, valve body（1）Rising head described in interior media impingement（8）Make flap（3）In institute
State valve rod（4）Upper rotation.
7. sealing valve according to claim 6, it is characterised in that：The rising head（8）In triangular prism shape, rising head（8）With institute
State flap（3）It is integrally formed setting, rising head（8）One side and flap（3）Outer wall it is tangent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720960027.4U CN206988437U (en) | 2017-08-03 | 2017-08-03 | A kind of high pressure sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720960027.4U CN206988437U (en) | 2017-08-03 | 2017-08-03 | A kind of high pressure sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988437U true CN206988437U (en) | 2018-02-09 |
Family
ID=61418388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720960027.4U Active CN206988437U (en) | 2017-08-03 | 2017-08-03 | A kind of high pressure sealing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206988437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542968A (en) * | 2020-11-26 | 2022-05-27 | 未势能源科技有限公司 | Cylinder valve for gas cylinder and gas cylinder |
-
2017
- 2017-08-03 CN CN201720960027.4U patent/CN206988437U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542968A (en) * | 2020-11-26 | 2022-05-27 | 未势能源科技有限公司 | Cylinder valve for gas cylinder and gas cylinder |
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