CN205278448U - High leakproofness pottery valve - Google Patents
High leakproofness pottery valve Download PDFInfo
- Publication number
- CN205278448U CN205278448U CN201521062422.8U CN201521062422U CN205278448U CN 205278448 U CN205278448 U CN 205278448U CN 201521062422 U CN201521062422 U CN 201521062422U CN 205278448 U CN205278448 U CN 205278448U
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- spheroid
- valve
- ceramic
- air bag
- valve body
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Abstract
This patent belongs to ceramic valve field, discloses a high leakproofness pottery valve, and including valve body, spheroid and two disk seats, spheroid and two disk seats all are located the valve body, and spheroid and two disk seat homogeneous phases support, the outside that is located two disk seats in the valve body all is equipped with the annular arch, and the annular arch is close to spheroidal one side and is equipped with annular recess, and the equipartition has many springs in the annular recess, and the one end of spring is connected bottom the recess, the disk seat be close to spheroidal one side be with spheroid surfaces to mate's arc surface, it is balanced with the expansion end of spring that spheroidal one side is kept away from to the disk seat. Even high leakproofness pottery valve disk seat that this patent provided and spheroid are worn and torn, can not produce the gap between the two yet, promptly, even disk seat and spheroid are worn and torn, ceramic valve also can be accomplished sealedly completely.
Description
Technical field
This utility model belongs to ceramic valve field, is specifically related to a kind of high leakproofness ceramic valve.
Background technology
Ceramic valve refers to the valve of ceramic material, it is for now widely used metal valve, there is the performances such as high tenacity, high intensity, high rigidity, high-wearing feature and highly corrosion resistant, and the features such as the surface smoothness (Ra is up to 0.01um) that also self lubricity is good, pyroconductivity is low, fabulous, life-span can reach more than 10 times of common metal valve, and cost performance is high, therefore, in recent years, the application of ceramic valve is more and more extensive.
Widely used in ceramic valve is ceramic ball valve, ceramic ball valve generally includes valve body, spheroid and two valve seats, spheroid and two valve seats are positioned at valve body, spheroid and two valve seats all offset, spheroid is provided with through hole, and when the pipeline that spheroid turns to through hole and valve body two ends is come round, ceramic valve is opened, when spheroid turns to through hole end and valve interior wall offsets, ceramic valve is closed. But, ceramic valve is wear-resisting again, and after the time is permanent, valve seat and spheroid also have an abrasion, and after valve seat and spheroid abrasion, can produce gap between the two, and this gap can allow liquid to pass through so that ceramic valve can not accomplish to fully seal when closed.
Utility model content
This utility model is intended to provide a kind of high leakproofness ceramic valve, even if this ceramic valve valve seat and spheroid are worn, between the two without producing gap, i.e. even if valve seat and spheroid are worn, ceramic valve also can accomplish to fully seal.
A kind of high leakproofness ceramic valve in this programme, including valve body, spheroid and two valve seats, spheroid and two valve seats are respectively positioned in valve body, spheroid and two valve seats all offset, it is characterized in that: the outside being positioned at two valve seats in described valve body is equipped with annular protrusion, annular protrusion is provided with the groove of annular near the side of spheroid, is evenly equipped with many springs in the groove of annular, and one end of spring is connected with bottom portion of groove; Described valve seat is the arc surface coordinated with spherome surface near the one side of spheroid, and valve seat offsets with the movable end of spring away from the one side of spheroid.
Adopt a kind of high leakproofness ceramic valve in this programme, valve body is provided with annular protrusion, annular protrusion is provided with the groove of annular, many springs are had in the groove of annular, the movable end of spring and valve seat offset, namely spring offsets with valve seat away from one end of bottom portion of groove, valve seat and spheroid offset, when producing abrasion, formation gap between valve seat and spheroid, valve seat moves towards spheroid in time under the elastic force of spring, gap is compensated, it is to avoid liquid passes through from this gap, it is ensured that the sealing of ceramic valve.
It addition, valve seat is the arc surface coordinated with spherome surface near the one side of spheroid, thus contacting between valve seat with spheroid is face contact, for linear contact lay, the sealing effectiveness of face contact is better.
The following is the preferred version based on such scheme:
Preferred version one: the front side of described valve interior wall and rear side are equipped with the air bag being filled with gas, when ceramic valve is opened, the sphere of air bag and spheroid offsets, and when ceramic valve is closed, the end of air bag and spheroid through hole offsets. Front side and rear side refer to when ceramic valve is closed herein, side close with two ends of spheroid through hole respectively. The air bag being filled with gas is comparatively soft, and its shape changes with application point and the effect size of external force. Air bag is set on valve interior wall, when ceramic valve is opened, the pipeline communication at the through hole on spheroid and valve body two ends, on spheroid, the arranged on left and right sides face of through hole is near the inwall of valve body, owing to this arranged on left and right sides face is to close, the air bag expanded can there be is an effect extruded so that the gas in air bag runs towards the two ends of valve body, and air bag forms a centre outwards inwardly protruded shape in recessed, both sides. When ceramic valve is closed, on spheroid, the arranged on left and right sides of through hole is facing to the two ends of valve body, and through hole is towards the inwall of valve body, namely towards air bag, now, owing to through hole is hollow, air bag will not be formed extruding force by through hole center, and the air bag of expansion will enter in through hole, and the end of through hole closely can offset with air bag, the space partition of through hole both sides will be positioned in valve body, thus ceramic valve is sealed further, the good airproof performance of ceramic valve.
Preferred version two: based on preferred version one, the hole wall of described spheroid through hole and the sphere arc-shaped transition of spheroid. Reduce the abrasion between through hole end and air bag.
Preferred version three: based on preferred version two, described airbag wall includes at least three layers air bag layer. When the air bag layer being positioned at outside damages, the air bag layer being positioned at inner side can compensate, it is to avoid gas leakage.
Preferred version four: based on preferred version three, described valve body is provided with connecting hole, the Valve for aerocyst of air bag extends to outside valve body through connecting hole. Thus the outside being convenient to valve body is inflated in air bag.
Accompanying drawing explanation
Fig. 1 is a kind of high leakproofness ceramic valve of this utility model embodiment structural representation when opening;
Fig. 2 is a kind of high leakproofness ceramic valve of this utility model embodiment structural representation when closing.
Detailed description of the invention
Below by detailed description of the invention, this utility model is described in further detail:
Accompanying drawing labelling in Figure of description includes: valve body 1, spheroid 2, valve seat 3, annular protrusion 4, groove 5, through hole 6, air bag 7.
As shown in Figure 1 and Figure 2, a kind of high leakproofness ceramic valve, including valve body 1, spheroid 2 and two valve seats 3, spheroid 2 is provided with through hole 6, the sphere of the hole wall of through hole 6 and spheroid 2 is arc-shaped transition, and spheroid 2 and two valve seats 3 are positioned at valve body 1, spheroid 2 and two valve seats 3 and all offset.
The both sides being positioned at spheroid 2 in valve body 1 are equipped with annular protrusion 4, and annular protrusion 4 is provided with the groove 5 of annular near the side of spheroid 2, is all evenly equipped with many springs in the groove 5 of each annular, and one end of spring is connected with the bottom of groove 5; Valve seat 3 near the one side of spheroid 2 is and the arc surface of spheroid 2 surface engagement, and the surface of this arc surface and spheroid 2 offsets, and valve seat 3 offsets with the movable end of spring away from the one side of spheroid 2, and the movable end of spring refers to that spring is away from the one end bottom groove 5 herein.
The front side of valve body 1 inwall and rear side are equipped with the air bag 7 being filled with gas, and the airbag wall of air bag 7 includes three layers air bag layer, is filled with gas in air bag 7, when ceramic valve is closed, when ceramic valve is opened, the sphere of air bag 7 and spheroid 2 offsets, and two air bags 7 offset with two ends of spheroid 2 through hole 6 respectively; Also having two connecting holes on valve body 1, the Valve for aerocyst of two air bags 7 is each passed through two connecting holes and extends to outside valve body 1.
In specific implementation process, when valve seat 3 and spheroid 2 produce abrasion so that when forming gap between the two, valve seat 3 moves towards spheroid 2 under the elastic force effect of spring, gap is compensated, it is ensured that offset all the time between valve seat 3 and spheroid 2, thus ensure that sealing; Additionally, when ceramic valve is closed, the air bag 7 of the expansion of valve body 1 both sides can enter in through hole 6 so that the end of air bag 7 and through hole 6 offsets, by the gap sealing between valve body 1 inwall and spheroid 2, it is positioned at the space partition of spheroid 2 both sides by valve body 1, ceramic valve is sealed further, now, even if forming gap between valve seat 3 and spheroid 2, less liquid also can be stopped by air bag 7 by behind this gap, stops it to flow further, it is ensured that the sealing of ceramic valve.
For a person skilled in the art; under the premise without departing from this utility model structure; can also making some deformation and improvement, these also should be considered as protection domain of the present utility model, and these are all without affecting effect and the practical applicability that this utility model is implemented.
Claims (5)
1. a high leakproofness ceramic valve, including valve body, spheroid and two valve seats, spheroid and two valve seats are respectively positioned in valve body, spheroid and two valve seats all offset, it is characterized in that: the outside being positioned at two valve seats in described valve body is equipped with annular protrusion, annular protrusion is provided with the groove of annular near the side of spheroid, is evenly equipped with many springs in the groove of annular, and one end of spring is connected with bottom portion of groove; Described valve seat is the arc surface coordinated with spherome surface near the one side of spheroid, and valve seat offsets with the movable end of spring away from the one side of spheroid.
2. high leakproofness ceramic valve according to claim 1, it is characterized in that: the front side of described valve interior wall and rear side are equipped with the air bag being filled with gas, when ceramic valve is opened, the sphere of air bag and spheroid offsets, when ceramic valve is closed, the end of air bag and spheroid through hole offsets.
3. high leakproofness ceramic valve according to claim 2, it is characterised in that: the hole wall of described spheroid through hole and the sphere arc-shaped transition of spheroid.
4. high leakproofness ceramic valve according to claim 3, it is characterised in that: described airbag wall includes at least three layers air bag layer.
5. high leakproofness ceramic valve according to claim 4, it is characterised in that: described valve body is provided with connecting hole, and the Valve for aerocyst of air bag extends to outside valve body through connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062422.8U CN205278448U (en) | 2015-12-20 | 2015-12-20 | High leakproofness pottery valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062422.8U CN205278448U (en) | 2015-12-20 | 2015-12-20 | High leakproofness pottery valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205278448U true CN205278448U (en) | 2016-06-01 |
Family
ID=56063026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521062422.8U Active CN205278448U (en) | 2015-12-20 | 2015-12-20 | High leakproofness pottery valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205278448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465403A (en) * | 2015-12-20 | 2016-04-06 | 重庆市万通仪器仪表有限公司 | High-tightness ceramic valve |
-
2015
- 2015-12-20 CN CN201521062422.8U patent/CN205278448U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465403A (en) * | 2015-12-20 | 2016-04-06 | 重庆市万通仪器仪表有限公司 | High-tightness ceramic valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |