CN206017839U - A kind of ball valve - Google Patents
A kind of ball valve Download PDFInfo
- Publication number
- CN206017839U CN206017839U CN201620890622.0U CN201620890622U CN206017839U CN 206017839 U CN206017839 U CN 206017839U CN 201620890622 U CN201620890622 U CN 201620890622U CN 206017839 U CN206017839 U CN 206017839U
- Authority
- CN
- China
- Prior art keywords
- valve
- ball
- gap
- type packing
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000012856 packing Methods 0.000 claims description 53
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 8
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
Abstract
This utility model is related to a kind of ball valve, including valve body, valve gap, valve element and valve seat, the valve element includes valve rod and valve ball, the valve ball and the valve seat are arranged on the valve inner by the valve gap, one end of the valve rod is located at the outside of the valve body through the valve gap, and, the valve rod is integrally formed with valve ball, is respectively provided with multiple different sealing structures between the valve gap and the valve body and the valve gap and the valve rod.The ball valve that this utility model is provided arranges compound sealing structure between valve body and valve gap and valve gap and valve rod, i.e., carried out multi-sealed by multiple different sealing structures, improves the reliability of sealing.And valve ball is formed with valve-stem integrated, the failure caused because of the connection between valve ball and valve rod can be so prevented effectively from.This utility model ball valve can reduce the number of times broken down in practical process, improve production efficiency.
Description
Technical field
This utility model is related to valve correlative technology field, particularly a kind of ball valve.
Background technology
Currently used for the Ni-based sulfur resistive metal seal ball valve of high pressure in the chemical industries such as high sulfur-containing natural gas, valve body and valve gap
Between, seal failure between valve gap and valve rod, medium easily reveals, the medium pollution environment for leaking, valve rod and valve ball it
Between easily gone wrong using the connection such as square tenon, keyway or straight pin, junction, it is often necessary to maintenance shut-downs are changed, to whole
Production brings serious problems.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of ball valve, to solve technical problem of the prior art.
The ball valve that this utility model is provided, including valve body, valve gap, valve element and valve seat, the valve element includes valve rod and valve ball,
The valve ball and the valve seat are arranged on the valve inner by the valve gap, and one end of the valve rod is located at through the valve gap
The outside of the valve body, and, the valve rod and valve ball are integrally formed, the valve gap and the valve body and the valve gap and the valve
Multiple different sealing structures are respectively provided between bar.
Preferably, lip-type packing and combined type packing ring is provided between the valve gap and valve rod, and pass through gland pressure
Tightly in seal groove.
Preferably, lip-type packing, combined type packing ring and spring pressuring plate are provided between the valve gap and valve body, described
Spring pressuring plate provides pretightning force and the lip-type packing and combined type packing ring is pressed in seal groove.
Preferably, additional confinement is additionally provided between the valve gap and valve body, including auxiliary seal groove and auxiliary seal
Circle, the auxiliary seal ring are arranged in the auxiliary seal groove.
Preferably, the auxiliary seal ring is wound form gasket seal.
Preferably, combined type packing ring is set between the valve seat and valve body.
Preferably, the combined type packing ring includes multiple one-way sealing seals, the plurality of one-way sealing seal in the same direction and/or
Oppositely arranged.
The ball valve that this utility model is provided arranges compound sealing structure between valve body and valve gap and valve gap and valve rod,
Carried out by multiple different sealing structures multi-sealed, improve the reliability of sealing.And valve ball is formed with valve-stem integrated,
The failure caused because of the connection between valve ball and valve rod can be so prevented effectively from.This utility model ball valve can reduce practical process
In the number of times that breaks down, improve production efficiency.
Description of the drawings
By description referring to the drawings to this utility model embodiment, of the present utility model above-mentioned and other mesh
, feature and advantage will be apparent from, in the accompanying drawings：
The ball valve cross-sectional schematic that Fig. 1 is provided for this utility model；
The valve element schematic diagram of the ball valve that Fig. 2 is provided for this utility model；
Fig. 3 is enlarged drawing at A in Fig. 1；
Fig. 4 is enlarged drawing at B in Fig. 1；
Fig. 5 is enlarged drawing at C in Fig. 1.
Specific embodiment
Various embodiments of the present utility model are more fully described hereinafter with reference to accompanying drawing.In various figures, identical
Element is represented using same or similar reference.For the sake of clarity, the various pieces in accompanying drawing are not drawn to paint
System.
Shown in Fig. 1, for the ball valve cross-sectional schematic that this utility model is provided.
As shown in figure 1, the ball valve that this utility model is provided includes valve body 1, valve gap 2, valve element 3 and valve seat 4, the valve element 3
A part is encapsulated in inside the valve body 1 by the valve gap 2, and another part is located at the outer of the valve body 1 through the valve gap 2
Portion, the valve seat 4 are arranged on inside the valve body 1, and are located between the valve element 3 and the valve body 1.
The valve element schematic diagram of the ball valve that Fig. 2 is provided for this utility model.
As shown in Figure 1, 2, the valve element 3 includes valve rod 301 and valve ball 302, the valve rod 301 and 302 1 bodily form of valve ball
Into on the valve ball 302, the edge direction axially vertical with the valve rod 301 is formed with the runner 303 of insertion, the runner 303
Circulation for fluid.The valve ball 302 is located inside the valve body 1, the one end of the valve rod 301 away from the valve ball 302
Through the outside that the valve gap 2 is located at the valve body 1, and the valve ball 302 can be controlled in the valve body by the valve rod 301
Circumferentially rotating along the valve rod 301 inside 1.It is provided with first port 101 and second port 102 on the valve body 1, described
Single port 101 and second port 102 are located along the same line, and, the runner can control by the rotation of the valve ball 302
303 are connected with the first port 101 and second port 102 or are disconnected, so as to realize being turned on and off for fluid passage.
Fig. 3 is enlarged drawing at A in Fig. 1.
As shown in Figure 1,3, the valve seat 4 is provided with two, the first port 101 being located on the valve body 1 respectively
The one end inside the valve body 1 is located at second port 102.The valve seat 4 is along the first port 101 and second port 102
Axially movable, its first end is contacted with the valve ball 302 of the valve element 3.Arrange at the second end relative with its first end
There are spring 5, the spring 5 provide and provide pressure to the valve seat 4 so as to be pressed on the valve ball 302, play sealing and make
With.The first end of the spring 5 is arranged in spring base 6, is provided with the first sealing 7, institute between the valve seat 4 and valve body 1
The first seal groove 70 and the first sealing ring 71 that the first sealing includes being formed between the valve body 1 and the valve seat 4 is stated, described
Spring 5 provides pressure by first sealing ring, the 71 pairs of valve seats 4, meanwhile, the pressure of the spring 5 can also improve described
The sealing effectiveness of the first sealing ring 71.As shown in Figure 3, due to reasons in structure, the spring 5 can not be with first sealing ring
During 71 directly contact, trim ring 72 between the spring 5 and first sealing ring 71, is provided with, the trim ring 72 is used for will be described
The pressure transmission of spring 5 is on first sealing ring 71.Preferably, first sealing ring 72 be combined type packing ring, institute
Stating combined type packing ring includes multiple one-way sealing seals, and multiple one-way sealing seals are in the same direction or reverse, it is also possible to by multiple sealing rings
It is divided into two groups not arranged in the same direction, under the effect of the pressure, the combined type packing ring has two way seal so as to certain
There can be better seal effect in the presence of pressure.
Fig. 4,5 are respectively in Fig. 1 enlarged drawing at B, C.
As shown in Fig. 1,4,5, adopt between the valve gap 2 and valve body 1 and between the valve gap 2 and the valve rod 301
Composite seal, i.e., sealed using multiple different sealing structures, simultaneously to improve the reliability of sealing.
As shown in figure 4, arranging the second sealing 8 between the valve rod 301 and valve gap 2, second sealing 8 is included in
Between the valve rod 301 and valve gap 2, the second seal groove 80 of formation, the first lip-type packing 81, the first packing ring 82, first combine
Formula sealing ring 83 and the first gland 84, first lip-type packing 81 are arranged on the bottom of second seal groove 80, described
First packing ring 82 is arranged between first combined type packing ring 83 and first lip-type packing 81, first packing ring
82 may be designed to arbitrary shape according to the structure of second seal groove 80, enable first packing ring 82 with described first group
Box-like sealing ring 83 and the first lip-type packing 81 are contacted, so as to transmission pressure.As shown in Figure 4, first packing ring 82
It is designed to inverted " L " type so as to can be with first lip-type packing 81 and first in the axial direction of the valve rod 301
Combined type packing ring 83 is contacted simultaneously.First gland 84 is arranged at the opening of the seal groove, and first lip is close
After seal 81, the first packing ring 82 and the first combined type packing ring 83 are sequentially placed in the seal groove, first gland 84
Contact with first combined type packing ring 83 and certain pressure is applied to which, pressure is passed to by first packing ring 82
First lip-type packing 81, under the effect of the pressure, first combined type packing ring 83 and the first lip-type packing 81
Fully can contact with the valve rod 301 and valve gap 2 so as to obtaining better seal effect.First gland 84 passes through screw
It is fixed on the valve gap 2.
As shown in figure 5, arranging the 3rd sealing 9 between the valve body 1 and valve gap 2, the 3rd sealing 9 includes being formed
The 3rd seal groove 90 between the valve body 1 and valve gap 2, the second lip-type packing 91, second packing ring 92, the second combination type are close
Seal 93, the second gland 94 and spring pressuring plate 95, second lip-type packing 91 are arranged on the bottom of the 3rd seal groove 90
Portion, the second packing ring 92 are arranged between second combined type packing ring 93 and second lip-type packing 81, described
Second packing ring 92 may be designed to arbitrary shape according to the structure of the 3rd seal groove 90, enable the second packing ring 92 with institute
State the second combined labyrinth and carbon gland 93 and the second lip-type packing 91 is contacted, so as to transmission pressure.As shown in Figure 5, described second
Packing ring 92 is designed to inverted " L " type so as to can be with second lip-type packing 91 and the second combined type packing ring 93
Contact simultaneously.Second gland 94 is arranged on that second combined type packing ring 93 is not contacted with the second packing ring
End, the spring pressuring plate 95 contacted with second pressing plate 94, and the spring pressuring plate 95 is pressed on described the by the valve gap 2
In three seal grooves 90, and pressure is provided to second gland 94, make second lip-type packing 91 and the second combination type close
Seal 93 obtains better seal effect under the effect of the pressure.
Further, in order that sealing reliability between the valve body 1 and valve gap 2 more preferably, the valve body 1 and valve gap 2
Between be additionally provided with additional confinement 10, the additional confinement 10 includes auxiliary seal groove 100 and auxiliary seal ring 101, institute
State auxiliary seal groove 100 separate with the 3rd seal groove 90.Auxiliary seal is provided with the auxiliary seal groove 100
Circle 101, the auxiliary seal ring 101 are preferably wound form gasket seal.
The ball valve that this utility model is provided arranges compound close between valve body 1 and valve gap 2 and valve gap 2 and valve rod 301
Seal structure, i.e., carried out multi-sealed by the sealing device of multiple different structures, improves the reliability of sealing.And valve ball 302
Integrally formed with valve rod 301, can so be prevented effectively from the failure caused because of the connection between valve ball 302 and valve rod 301.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and are not necessarily required or implied these entities or deposit between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that a series of process, method, article or equipment including key elements not only includes that those will
Element, but also other key elements including being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate this utility model example,
And the not restriction to embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need to be exhaustive to all of embodiment.And thus
Amplified obvious change or change still in protection domain of the present utility model among.
Claims (7)
1. a kind of ball valve, it is characterised in that including valve body, valve gap, valve element and valve seat, the valve element includes valve rod and valve ball, institute
State valve gap and the valve ball and the valve seat are arranged on the valve inner, one end of the valve rod is located at institute through the valve gap
The outside of valve body is stated, and, the valve rod and valve ball are integrally formed, the valve gap and the valve body and the valve gap and the valve rod
Between be respectively provided with multiple different sealing structures.
2. ball valve according to claim 1, it is characterised in that be provided between the valve gap and valve rod lip-type packing and
Combined type packing ring, and be pressed in seal groove by gland.
3. ball valve according to claim 1, it is characterised in that be provided between the valve gap and valve body lip-type packing,
Combined type packing ring and spring pressuring plate, the spring pressuring plate provide pretightning force by the lip-type packing and combined type packing ring pressure
Tightly in seal groove.
4. ball valve according to claim 3, it is characterised in that be additionally provided with auxiliary seal between the valve gap and valve body
Portion, including auxiliary seal groove and auxiliary seal ring, the auxiliary seal ring is arranged in the auxiliary seal groove.
5. ball valve according to claim 4, it is characterised in that the auxiliary seal ring is wound form gasket seal.
6. ball valve according to claim 1, it is characterised in that combined type packing ring is set between the valve seat and valve body.
7. the ball valve according to any one of claim 2～6, it is characterised in that the combined type packing ring includes multiple
One-way sealing seal, the plurality of one-way sealing seal are in the same direction and/or oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620890622.0U CN206017839U (en) | 2016-08-16 | 2016-08-16 | A kind of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620890622.0U CN206017839U (en) | 2016-08-16 | 2016-08-16 | A kind of ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017839U true CN206017839U (en) | 2017-03-15 |
Family
ID=58248257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620890622.0U Expired - Fee Related CN206017839U (en) | 2016-08-16 | 2016-08-16 | A kind of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017839U (en) |
-
2016
- 2016-08-16 CN CN201620890622.0U patent/CN206017839U/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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180502 Address after: 101500 9-2 Beijing Yan Yun Road, Miyun District Economic Development Zone, C Patentee after: Beijing Raymond Fluid Equipment Engineering Co.,Ltd. Address before: 101500 9-1 Yan Yun Road, C District, Miyun Economic Development Zone, Beijing Patentee before: RAYMOND (BEIJING) TECHNOLOGY CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 056000 Lintan Industrial Park, Jinnan New District, Handan City, Hebei Province (Lintan Town Fan Village) Patentee after: Hebei Raymond Valve Manufacturing Co.,Ltd. Address before: 101500 9-2 Beijing Yan Yun Road, Miyun District Economic Development Zone, C Patentee before: BEIJING RAYMOND FLUID EQUIPMENT ENGINEERING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 |