CN202418692U - Elastic seal ball valve - Google Patents
Elastic seal ball valve Download PDFInfo
- Publication number
- CN202418692U CN202418692U CN 201120563677 CN201120563677U CN202418692U CN 202418692 U CN202418692 U CN 202418692U CN 201120563677 CN201120563677 CN 201120563677 CN 201120563677 U CN201120563677 U CN 201120563677U CN 202418692 U CN202418692 U CN 202418692U
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- CN
- China
- Prior art keywords
- valve
- spheroid
- accumulation
- elastic packing
- ball valve
- 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 an elastic seal ball valve. The elastic seal ball valve comprises a valve body, valve covers, a ball body and a valve rod, wherein the valve covers are fixed at the two ends of the valve body in a sealing way; the ball body is arranged inside the valve body; the ball body is arranged between the two valve covers; the upper part of the ball body is fixed with the lower end of the valve rod; the lower part of the ball body is fixed with end closures in a sealing way; and the elastic seal ball valve is characterized in that an elastic energy storing ring is arranged between the ball body and the two end closures. The elastic seal ball valve is simple in structure; requirements for the processing precision and the installing precision of the ball body and the like are greatly lowered; the valve body and the valve base are not required to be paired and grinded one by one; and through any combination of the valve body and the ball body, the assembling cost is lowered and the maintenance is convenient.
Description
Technical field
The utility model relates to a kind of ball valve, particularly relates to a kind of elastic packing ball valve.
Background technique
Ball valve generally is divided into hard sealing structure and soft sealing structure.
Soft sealing ball valve is divided into fixed and floating type.Simple in structure, cost is low, good sealing effect, and shelf life is long.The limitation of this kind structure is that serviceability temperature can only be below 260 ℃; And floating type spheroid that is fit to small-bore low-pressure in the soft sealing ball valve.Stationary structure in the soft sealing ball valve receives the restriction of temperature equally.
Hard seal ball valve also can be divided into fixed and floating type.Hard seal ball valve generally uses when the worst hot case soft sealing ball valve can't satisfy, because floating structure receives the restriction of small-bore low-pressure equally, therefore, the most of stationary structure that uses of hard seal ball valve.Hard sealing and fixing type structure needs the dish spring and produces enough big pretightening force, and this pretightening force acts on spheroid and the valve seat always, and particularly under high-temperature condition, spheroid and valve seat are easy to pull, seal failure.And the hard seal ball valve complex structure, spheroid, sealing surface of seat and other fit dimension are required all very high, production that can't be in batch.And also quite harsh to the surface treatment of spheroid and valve seat, if be prone to too firmly come off, too soft being prone to pulled.Therefore the manufacture cost of hard seal ball valve is very high, and can't keep in repair basically.
Summary of the invention
The utility model is accomplished in order to solve deficiency of the prior art; The purpose of the utility model provide a kind of simple in structure, the machining accuracy of spheroid, installation precision etc. are required all to reduce greatly; Valve body and valve seat need not man-to-man pairing and grind; Find out valve body and spheroid combination arbitrarily, reduction is assembled into, the elastic packing ball valve of convenient for maintaining.
A kind of elastic packing ball valve of the utility model; Comprise valve body, valve gap, spheroid and valve rod, said valve body two ends are fixed in said valve bonnet seal, and said spheroid is arranged in the said valve body; Said spheroid is arranged between said two valve gaps; The lower end of said spheroid top and said valve rod is fixed, and the bottom and the end bracket enclosed of said spheroid are fixed, and it is characterized in that: be provided with elasticity accumulation of energy circle between said spheroid and said two end caps.
A kind of elastic packing ball valve of the utility model can also be:
Said elasticity accumulation of energy circle is U type or C type.
The opening end of said elasticity accumulation of energy circle is towards spheroid.
Said valve gap is provided with the accumulation of energy groove, and said elasticity accumulation of energy circle is positioned at said accumulation of energy groove.
Said elasticity accumulation of energy circle is processed by plastics or metallic material.
Between said end cap and the said valve body seal ring is set.
Between said valve gap and the said valve body seal ring is set.
A kind of elastic packing ball valve of the utility model is owing to be provided with elasticity accumulation of energy circle between said spheroid and said two end caps.Like this, the advantage that has in terms of existing technologies is that such elastic packing ball valve does not re-use valve seat in the process of using and installing, and does not also re-use the butterfly spring; As long as rely on the pressure distortion of elasticity accumulation of energy circle medium self and play the effect of sealing, and the valve soft and hard seal can change each other, because seal ring has the elastic deformability; Therefore; The machining accuracy of spheroid, installation precision etc. all reduce greatly, and spheroid and valve seat need not man-to-man pairing and grind; Can from produce in batch, find out any valve body and valve gap combination, reduce assembly cost.If the valve later maintenance, also a need directly installed spheroid, elasticity accumulation of energy circle and valve gap and get final product, and need not the professional workforce and installs.
Description of drawings
A kind of elastic packing ball valve of Fig. 1 the utility model embodiment sectional view.
A part enlarged view among a kind of elastic packing ball valve of Fig. 2 the utility model Fig. 1.
Another embodiment's sectional view of a kind of elastic packing ball valve of Fig. 3 the utility model.
B part enlarged view among a kind of elastic packing ball valve of Fig. 4 the utility model Fig. 3.
The figure number explanation
1 ... Valve body 2 ... Valve rod 3 ... Valve gap
4 ... Spheroid 5 ... Elasticity accumulation of energy circle 6 ... The accumulation of energy groove
7 ... Seal ring 8 ... End cap
Embodiment
Fig. 1 to Fig. 4 below in conjunction with accompanying drawing does further explain to a kind of elastic packing ball valve of the utility model.
A kind of elastic packing ball valve of the utility model please refer to Fig. 1 to Fig. 4, comprises valve body 1, valve gap 3, spheroid 4 and valve rod 2; Said valve gap 3 is sealingly fastened in said valve body 1 two ends; Said spheroid 4 is arranged in the said valve body 1, and said spheroid 4 is arranged between said two valve gaps 3, and the lower end of said spheroid 4 tops and said valve rod 2 is fixed; The bottom of said spheroid 4 is connected with end cap 8, is provided with elasticity accumulation of energy circle 5 between said spheroid 4 and said two end caps 8.Like this, the advantage that has in terms of existing technologies is that such elastic packing ball valve does not re-use valve seat in the process of using and installing, and does not also re-use the butterfly spring; As long as rely on the pressure distortion of elasticity accumulation of energy circle 5 media self and play the effect of sealing, and the valve soft and hard seal can change each other, because seal ring has the elastic deformability; Therefore; The machining accuracy of spheroid, installation precision etc. all reduce greatly, and spheroid and valve seat need not man-to-man pairing and grind; Can from produce in batch, find out any valve body 1 and valve gap 3 combinations, reduce assembly cost.If the valve later maintenance, also a need directly installed spheroid, elasticity accumulation of energy circle 5 and valve gap 3 and get final product, and need not the professional workforce and installs.
A kind of elastic packing ball valve of the utility model please refer to Fig. 1 to Fig. 4, specifically can be that said elasticity accumulation of energy circle 5 is U type or C type in front on the basis of technological scheme.The elasticity accumulation of energy circle 5 of shape can effectively be realized deformation and carry out accumulation of energy like this, and then plays the effect of sealing.The opening end that further optimized technical scheme is said elasticity accumulation of energy circle 5 is towards spheroid 4.Have only opening towards spheroid 4, could guarantee maximum amount of deformation, and then spheroid 4 and valve gap 3 are sealed better at itself and spheroid 4 contact position places.
A kind of elastic packing ball valve of the utility model please refer to Fig. 1 to Fig. 4, can also be that said valve gap 3 is provided with accumulation of energy groove 6 in front on the basis of technological scheme, and said elasticity accumulation of energy circle 5 is positioned at said accumulation of energy groove 6.Like this, the convenient installation avoids that elasticity accumulation of energy circle 5 drops or is shifted in installation process, and then the effect of influence sealing.Can also be that said elasticity accumulation of energy circle 5 is processed by plastics or metallic material.The elasticity accumulation of energy circle 5 of metallic material preparation all can use under high temperature and low temperature condition, and temperature is smaller to its influence, and can not wear out, and working life is long.Can also be between said end cap 8 and the said valve body 1 seal ring 7 to be set.So just can sealing between end cap 8 and the valve body 1 and be avoided the wearing and tearing between end cap 8 and the spheroid 4.Can also be between said valve gap 3 and the said valve body 1 seal ring 7 to be set.Guarantee that spheroid 4 is in sealing state at valve body 1.
Above-mentionedly only several kinds of specific embodiments in the utility model are explained; But can not be as the protection domain of the utility model; Every equivalence variation of having done according to the design spirit in the utility model or modification or equal proportion are amplified or are dwindled etc., all should think the protection domain that falls into the utility model.
Claims (7)
1. elastic packing ball valve; Comprise valve body, valve gap, spheroid and valve rod, said valve body two ends are fixed in said valve bonnet seal, and said spheroid is arranged in the said valve body; Said spheroid is arranged between said two valve gaps; The lower end of said spheroid top and said valve rod is fixed, and the bottom and the end bracket enclosed of said spheroid are fixed, and it is characterized in that: be provided with elasticity accumulation of energy circle between said spheroid and said two end caps.
2. a kind of elastic packing ball valve according to claim 1 is characterized in that: said elasticity accumulation of energy circle is U type or C type.
3. a kind of elastic packing ball valve according to claim 2 is characterized in that: the opening end of said elasticity accumulation of energy circle is towards spheroid.
4. according to claim 1 or 2 or 3 described a kind of elastic packing ball valves, it is characterized in that: said valve gap is provided with the accumulation of energy groove, and said elasticity accumulation of energy circle is positioned at said accumulation of energy groove.
5. according to claim 1 or 2 or 3 described a kind of elastic packing ball valves, it is characterized in that: said elasticity accumulation of energy circle is processed by plastics or metallic material.
6. according to claim 1 or 2 or 3 described a kind of elastic packing ball valves, it is characterized in that: between said end cap and the said valve body seal ring is set.
7. according to claim 1 or 2 or 3 described a kind of elastic packing ball valves, it is characterized in that: between said valve gap and the said valve body seal ring is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120563677 CN202418692U (en) | 2011-12-29 | 2011-12-29 | Elastic seal ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120563677 CN202418692U (en) | 2011-12-29 | 2011-12-29 | Elastic seal ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202418692U true CN202418692U (en) | 2012-09-05 |
Family
ID=46743462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120563677 Expired - Fee Related CN202418692U (en) | 2011-12-29 | 2011-12-29 | Elastic seal ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202418692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107712A (en) * | 2019-05-27 | 2019-08-09 | 江苏神通阀门股份有限公司 | A kind of general plug structure of elastic packing |
-
2011
- 2011-12-29 CN CN 201120563677 patent/CN202418692U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107712A (en) * | 2019-05-27 | 2019-08-09 | 江苏神通阀门股份有限公司 | A kind of general plug structure of elastic packing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 215000 Suzhou Lake Industrial Park, Xiangcheng District Economic Development Zone, Jiangsu Patentee after: SUZHOU DELAN ENERGY SCIENCE & TECHNOLOGY CORP., LTD. Address before: Cao Hu Industrial Park of Xiangcheng Economic Development Zone, Suzhou City, Jiangsu province 215000 Patentee before: Suzhou Delan Energy Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20141229 |
|
| EXPY | Termination of patent right or utility model |