CN206904279U - A kind of floating ball valve of good seal performance - Google Patents
A kind of floating ball valve of good seal performance Download PDFInfo
- Publication number
- CN206904279U CN206904279U CN201720391307.8U CN201720391307U CN206904279U CN 206904279 U CN206904279 U CN 206904279U CN 201720391307 U CN201720391307 U CN 201720391307U CN 206904279 U CN206904279 U CN 206904279U
- Authority
- CN
- China
- Prior art keywords
- valve
- spheroid
- spring
- valve seat
- sealing ring
- 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
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a kind of floating ball valve of good seal performance,Including valve body,Valve rod,Valve seat and spheroid,The valve rod,Valve seat and spheroid are arranged on valve body,The spheroid is arranged on valve rod lower end,The valve seat is arranged on spheroid left and right ends,The valve seat is provided with mounting groove close to one end of spheroid,The first spring and sealing ring are provided with the mounting groove,First spring is arranged between sealing ring and valve seat,Oil lamella is provided between the sealing ring and spheroid,Cavity is provided between the valve seat and valve body,Second spring is provided with the cavity,Described second spring one end is fixedly connected with valve seat,The other end is fixedly connected with the valve body,Set in the middle part of the valve rod fluted,The 3rd spring and ball are provided with the groove,3rd spring one end abuts with ball,The other end is fixedly connected with valve rod,The floating ball valve good airproof performance of the good seal performance,Can automatic-sealed supply,It is small to operate moment of torsion.
Description
Technical field
It the utility model is related to a kind of floating ball valve of good seal performance.
Background technology
Ball valve, standard GB/T21465-2008《Valve term》Defined in be：Opening and closing element (spheroid) is driven by valve rod, and around
The valve that ball valve axis rotates.Also it can be used for the regulation and control of fluid, wherein its V-type core of sealing V-type ball valve firmly
There is very strong shearing force between the metal seat valve of pile-up welding hard alloy, especially suitable for fibre-bearing, small solid pellet etc.
Medium.And multi-pass ball valve not only can flexibly control interflow, shunting and the switching of flow direction of medium on pipeline, while also may be used
Close any passage and two other passage is connected.This class valve should be typically horizontally mounted in the duct.Ball valve point has：It is floating
Dynamic spherical ball valve, fixed spherical ball valve, orbit ball valve, V-type ball valve, tee ball valve, stainless steel ball valve, cast steel ball valve, forging steel ball valve, unload
Grey ball valve, sulfur resistive ball valve, pneumatic ball valve, electrical ball valve, cutting ferrule ball valve, welding ball valve.
Existing floating ball valve sealing property is not ideal enough, and in operation, operation moment of torsion is big.In addition, valve rod is operating
When, because pressure medium is larger, cause the real work degradation of valve rod, valve rod is fragile, and its service life is low, it is impossible to suitable
For all kinds of operating modes, and the narrow space in valve body connecting cavity, the regulation process of operator is relatively complicated, and this kind valve body pair
It is higher in the requirement on machining accuracy of valve seat and spheroid, if deviation occurs in processing dimension, then valve body can be caused to leak.
Utility model content
In view of this, the utility model purpose is to provide a kind of good airproof performance, can automatic-sealed supply, operation moment of torsion it is small
The floating ball valve of good seal performance.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：Including valve body, valve rod, valve seat and spheroid,
The valve rod, valve seat and spheroid are arranged on valve body, and the spheroid is arranged on valve rod lower end, and the valve seat is arranged on spheroid or so two
End, the valve seat is provided with mounting groove close to one end of spheroid, the first spring and sealing ring is provided with the mounting groove, described
First spring is arranged between sealing ring and valve seat, and oil lamella, the valve seat and valve are provided between the sealing ring and spheroid
Cavity is provided between body, second spring is provided with the cavity, described second spring one end is fixedly connected with valve seat, another
End is fixedly connected with the valve body, and sets fluted in the middle part of the valve rod, is provided with the 3rd spring and ball in the groove, and described the
Three spring one ends are abutted with ball, and the other end is fixedly connected with valve rod.
Further, O-ring seal is provided between the valve seat and valve body, the O-ring seal is fixed with valve seat to be connected
Connect, improve the sealing between valve seat and valve body.
Further, medium channel is provided with the middle part of the spheroid, facilitates passing through for medium.
Further, first spring one end is fixedly connected with valve seat, and the other end is fixedly connected with sealing ring, facilitates
One spring promotes sealing ring to be moved to spheroid direction, improves sealing property, while avoid sealing ring from releasing.
Further, the medial surface of the valve seat is in horn-like to reduce medium to pressure caused by valve seat.
Further, the valve rod upper end is fixedly installed handle, convenient use person's rotation valve rod.
Further, the valve rod is fixedly connected with spheroid, and the valve rod, spheroid and valve body are rotatablely connected, convenient use
Person drives spheroid to rotate by rotation valve rod.
The utility model has the technical effect that following aspect：The sealing ring of setting, is realized between valve seat and spheroid
Sealing, the first spring of setting can apply certain pretightning force along valve seat axial direction, the sealing effect of guarantee to sealing ring
Good, the abrasion between reduction sealing ring and spheroid of fruit；The second spring of setting, valve seat is applied after ring wear past
The pretightning force in spheroid direction so that valve seat contacts with spheroid, ensures the sealing in valve body；The ball of setting, valve rod can be reduced
In operation, valve body rubs to caused by it；Pressure injection has lubricating oil between the sealing surface that spheroid and valve seat are formed, and forms one layer of oil
Film layer, the sealing of whole floating ball valve is enhanced, reduce operation moment of torsion.
Brief description of the drawings
Fig. 1 is a kind of overall structure figure of the floating ball valve of good seal performance of the application utility model.
Fig. 2 is a kind of enlarged drawing of the floating ball valve groove of good seal performance of the application utility model.
Fig. 3 is a kind of enlarged drawing of the floating ball valve seat of good seal performance of the application utility model.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the present utility model is described in further detail, so that the utility model skill
Art scheme is more readily understood and grasped.
As Figure 1-3, a kind of floating ball valve of good seal performance, including valve body 1, valve rod 2, valve seat 3 and spheroid 4, institute
State valve rod 2, valve seat 3 and spheroid 4 and be arranged on valve body 1, the effect of valve body 1 is to be used to accommodate valve rod 2, valve seat 3 and spheroid 4.
The spheroid 4 is arranged on the lower end of valve rod 2, and the valve seat 3 is arranged on the left and right ends of spheroid 4, and the valve seat 3 is close to ball
One end of body 4 is provided with mounting groove 5, and the first spring 6 and sealing ring 7 are provided with the mounting groove 5, and the effect of mounting groove 5 is
For accommodating the first spring 6 and sealing ring 7, the effect of sealing ring 7 is that the sealing for ensureing ball valve is abutted with spheroid 4, the first bullet
The effect of spring 6 is to promote sealing ring 7 to be moved to the direction of spheroid 4, and first spring 6 is arranged between sealing ring 7 and valve seat 5,
Oil lamella 8 is provided between the sealing ring 7 and spheroid 4, the effect of oil lamella 8 is improved between sealing ring 7 and spheroid 4
Sealing, reduce when spheroid 4 rotates to the degree of wear of sealing ring 7.Cavity 9, institute are provided between the valve seat 3 and valve body 1
State and second spring 10 is provided with cavity 9, the effect of cavity 9 is to be used to accommodate second spring 10, described one end of second spring 10
It is fixedly connected with valve seat 3, to be adhesively fixed, the other end is fixedly connected fixed form with valve body 1, and fixed form is to be adhesively fixed,
The effect of second spring 10 is to be punctured into valve seat 3 by second spring 10 to move offer pretightning force, the valve rod to the direction of spheroid 4
2 middle parts set fluted 11, and the 3rd spring 12 and ball 13 are provided with the groove 11, and the effect of groove 11 is to be used to accommodate
3rd spring 12 and ball 13, the effect of the 3rd spring 12 are to promote ball 13 to valve body, are reduced when valve rod 2 rotates and valve
Frictional force between body 1, described one end of 3rd spring 12 are abutted with ball 13, and the other end is fixedly connected with valve rod 2, fixed form
To be welded and fixed.
O-ring seal 14 is provided between the valve seat 3 and valve body 1, the O-ring seal 14 is fixedly connected with valve seat 3,
Fixed form improves the sealing between valve seat 3 and valve body 1 to be adhesively fixed.
The middle part of spheroid 4 is provided with medium channel 15, facilitates passing through for medium.
Described one end of first spring 6 is fixedly connected with valve seat 3, and the other end is fixedly connected with sealing ring 7, and fixed form is weldering
Fixation is connect, facilitates the first spring 6 to promote sealing ring 7 to be moved to the direction of spheroid 4, improves sealing property, while avoids the pine of sealing ring 7
It is de-.
The medial surface of the valve seat 3 is in horn-like, reduces medium to pressure caused by valve seat 3.
The upper end of valve rod 2 is fixedly installed handle 16, and fixed form is is welded and fixed, convenient use person's rotation valve rod 2.
The valve rod 2 is fixedly connected with spheroid 4, and fixed form is is welded and fixed, 1 turn of the valve rod 2, spheroid 4 and valve body
Dynamic connection, convenient use person drive spheroid 4 to rotate by rotation valve rod 2.
Operation principle：First, the first spring 6 applies certain pretightning force along the axial direction of valve seat 3 to sealing ring 7, makes
Sealing ring 7 contacts with spheroid 4, good, the abrasion between reduction sealing ring 7 and spheroid 4 of the sealing effectiveness of guarantee.Work as sealing ring
After 7 are worn, sealing ring 7 moves in the presence of the first spring 6 to the direction of spheroid 4, and valve seat 3 applies in second spring 10
Moved under pretightning force to the direction of spheroid 4, sealing ring 7 is in close contact with spheroid 4 by double action and keep close in valve body 1
Envelope；After sealing ring 7 fails, valve seat 3 will contact with spheroid 4, ensure the sealing in valve body 1 again.
Experimental example
Will use the application floating ball valve compared with former floating ball valve, and according to pressure, slip as a comparison according to
According to, analyze two groups of material contexts, draw best floating ball valve.Wherein temperature is 38 degrees Celsius, and the size of floating ball valve is
DN100, duration are 30 minutes.
The utility model has the technical effect that following aspect：The sealing ring of setting, is realized between valve seat and spheroid
Sealing, the first spring of setting can apply certain pretightning force along valve seat axial direction, the sealing effect of guarantee to sealing ring
Good, the abrasion between reduction sealing ring and spheroid of fruit；The second spring of setting, valve seat is applied after ring wear past
The pretightning force in spheroid direction so that valve seat contacts with spheroid, ensures the sealing in valve body；The ball of setting, valve rod can be reduced
In operation, valve body rubs to caused by it；Pressure injection has lubricating oil between the sealing surface that spheroid and valve seat are formed, and forms one layer of oil
Film layer, the sealing of whole floating ball valve is enhanced, reduce operation moment of torsion.
Certainly, it is representative instance of the present utility model above, in addition, the utility model can also have other a variety of
Embodiment, all technical schemes formed using equivalent substitution or equivalent transformation, all falls within the requires of the utility model protection
Within the scope of.
Claims (7)
- A kind of 1. floating ball valve of good seal performance, it is characterised in that：Including valve body, valve rod, valve seat and spheroid, the valve rod, Valve seat and spheroid are arranged on valve body, and the spheroid is arranged on valve rod lower end, and the valve seat is arranged on spheroid left and right ends, the valve The one end for seating against nearly spheroid is provided with mounting groove, and the first spring and sealing ring, first spring are provided with the mounting groove It is arranged between sealing ring and valve seat, oil lamella is provided between the sealing ring and spheroid, is set between the valve seat and valve body Cavity is equipped with, second spring is provided with the cavity, described second spring one end is fixedly connected with valve seat, the other end and valve body It is fixedly connected, setting is fluted in the middle part of the valve rod, and the 3rd spring and ball, the 3rd spring one are provided with the groove End is abutted with ball, and the other end is fixedly connected with valve rod.
- 2. the floating ball valve of good seal performance according to claim 1, it is characterised in that：Set between the valve seat and valve body There is O-ring seal, the O-ring seal is fixedly connected with valve seat.
- 3. the floating ball valve of good seal performance according to claim 2, it is characterised in that：Medium is provided with the middle part of the spheroid Passage.
- 4. the floating ball valve of good seal performance according to claim 3, it is characterised in that：First spring one end and valve seat It is fixedly connected, the other end is fixedly connected with sealing ring.
- 5. the floating ball valve of good seal performance according to claim 4, it is characterised in that：The medial surface of the valve seat is in loudspeaker Shape.
- 6. the floating ball valve of good seal performance according to claim 5, it is characterised in that：The valve rod upper end is fixedly installed Handle.
- 7. the floating ball valve of good seal performance according to claim 6, it is characterised in that：The valve rod is fixed with spheroid to be connected Connect, the valve rod, spheroid and valve body are rotatablely connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720391307.8U CN206904279U (en) | 2017-04-14 | 2017-04-14 | A kind of floating ball valve of good seal performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720391307.8U CN206904279U (en) | 2017-04-14 | 2017-04-14 | A kind of floating ball valve of good seal performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206904279U true CN206904279U (en) | 2018-01-19 |
Family
ID=61290624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720391307.8U Expired - Fee Related CN206904279U (en) | 2017-04-14 | 2017-04-14 | A kind of floating ball valve of good seal performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206904279U (en) |
-
2017
- 2017-04-14 CN CN201720391307.8U patent/CN206904279U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203453518U (en) | Plug valve | |
| CN206904279U (en) | A kind of floating ball valve of good seal performance | |
| CN210014024U (en) | Novel plate valve | |
| CN103527796A (en) | Bidirectional pressure-bearing hard seal butterfly valve | |
| CN114110184B (en) | Two-way high-pressure blowout-preventing pressure self-sealing rubber sealing ring butterfly valve | |
| CN202790658U (en) | Valve seat of fixed ball valve | |
| CN202165623U (en) | Butterfly valve | |
| CN210920189U (en) | Hemisphere metal seal fixed ball valve | |
| CN205401744U (en) | Two scraper diaphragm butterfly valves | |
| CN207349474U (en) | A kind of wedge action valve of stabilized seal | |
| CN204312745U (en) | A kind of gate valve | |
| CN208734921U (en) | A kind of ball valve preventing sealing High Pressure Difference and high leakage | |
| CN206918295U (en) | One kind fire prevention floating ball valve | |
| CN207906486U (en) | Hard seal ball valve | |
| CN109084078B (en) | Y-shaped stop valve | |
| CN205446795U (en) | Ball valve structure that metal is sealed firmly | |
| CN220668450U (en) | Sealing structure of ball valve seat and valve body | |
| CN204140899U (en) | With the seal butterfly valve of floating valve seat | |
| CN201110387Y (en) | Upper loading brake type butterfly valve | |
| CN110686092A (en) | Hemisphere metal seal fixed ball valve | |
| CN205479402U8 (en) | A kind of high life high-pressure stop valve | |
| CN214534613U (en) | Metal sealing fixed ball valve | |
| CN209067874U (en) | A kind of ball valve | |
| CN201944326U (en) | Novel ball valve | |
| CN204312744U (en) | Gate valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180622 Address after: No. 26, Shi Gang Road, Cangzhou Development Zone, Hebei, Hebei Patentee after: Cangzhou Changyuan pipe fittings Co., Ltd. Address before: 324000 room 527, Yufeng garden, Quzhou, Quzhou, Zhejiang Patentee before: QUZHOU LIANCHENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20200414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |