CN202914793U - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN202914793U CN202914793U CN 201220557087 CN201220557087U CN202914793U CN 202914793 U CN202914793 U CN 202914793U CN 201220557087 CN201220557087 CN 201220557087 CN 201220557087 U CN201220557087 U CN 201220557087U CN 202914793 U CN202914793 U CN 202914793U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- outer cover
- ball
- spring
- 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
Images
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a ball valve, and belongs to the field of valve control. The ball valve comprises a valve body provided with a valve seat installation hole, a valve seat installed in the valve seat installation hole, a spherical valve element arranged in the valve seat and a valve rod connected with the valve element, wherein the valve rod is provided with a handle, the valve seat and the spherical valve element are provided with through holes communicated with an inner passage of the valve body, a sealing ring is arranged in the position where the valve rod and the valve seat contact, an outer cover is arranged outside the valve seat installation hole, a compressing spring is arranged between the outer cover and the valve seat, one end of the compressing spring is connected with the valve seat in an abutting mode, and the other side of the compressing spring is connected with the outer cover in an abutting mode. The ball valve is simple and reasonable in structure. The compressing spring is arranged between the valve seat and the outer cover, and when the outer cover is fixed on the valve body through a bolt, the valve seat is pressed by pressing the compressing spring, so that the air tightness between the outer cover and the valve seat is guaranteed. Due to the compressing spring is elastic, if the outer cover losses, the air tightness between the outer cover and the valve seat is not affected due to the elasticity of the spring, and the ball valve is convenient to use and good in safety.
Description
Technical field
The utility model belongs to valve field, is specifically related to a kind of ball valve.
Background technique
In system of flow ducts, gate valve, stop valve, these three kinds of valve applications of ball valve get at most, their pluses and minuses are also each has something to recommend him, gate valve, stop valve are owing to not fragile, seepage are used widely, but shortcoming is to open when closed slowly, and stop valve is compared traffic volume with gate valve, the ball valve of identical bore and only had they half.And that ball valve has the amount of opening is large, open and close fast advantage, but its spherical valve core of existing ball valve all is to be located at regularly in the valve body, can only rotate, and need to more change the shuttle core or Sealing only have from the dismounting of valve body import or export, and the general also difficult of dismounting.The ball valve of this structure in use tends to because matching gap increases or Sealing damages and leaks, generally speaking, the ball valve that leaks or damage all is that whole changing abandons, and the service conduit system not only wastes like this, and goes back difficult under many circumstances.Be embedded in ball valve underground or within the walls such as some, it is just very difficult integral body to pull down.The ball valve that the plastics of and for example being connected with plastics PR-R pipeline are connected with the pipeline of metal composite, connection between them is to adopt the mode of sweat soldering to be connected, this ball valve must the severing pipeline when changing, replace again welding with new ball valve again, this maintenance work use on-the-spot, especially be extremely difficult at use execute-in-place underground or within the walls, also can cause larger damage to the scene, the maintenance work cost is high.
Summary of the invention
For addressing the above problem, the purpose of this utility model provides a kind of ball valve rational in infrastructure, easy to use.
The technological scheme that realizes the utility model purpose is a kind of ball valve, comprise that a side is provided with the valve body of valve seat mounting hole, be installed in the valve seat in the described valve seat mounting hole, be arranged on the spherical valve core in the valve seat, one end is inserted into the spherical valve core top, the other end stretches out the valve rod of valve seat, on the described valve rod handle is installed, described valve seat is provided with the through hole that is connected with described valve inner passage with spherical valve core, described valve rod and valve seat contacting point are provided with seal ring, the valve seat mounting hole outside on the described valve body is provided with enclosing cover, be provided with holddown spring between described enclosing cover and valve seat, described holddown spring one end is connected on the valve seat, and the other end is connected to outer covering.
On the described valve seat or cover outward and be provided with spring fixed hole, described holddown spring is installed in the spring mounting hole.
Described valve rod and the outside, valve seat joint also are provided with seal closure.
Described enclosing cover is bolted on the valve seat mounting hole outside on the described valve body.
The utlity model has positive effect: of the present utility model simple and reasonable, between valve seat and enclosing cover, be provided with holddown spring, when enclosing cover is bolted on the valve body, compress valve seat by the compression holddown spring, valve seat is pressed in the valve seat mounting hole of pedestal, to guarantee the tightness of the two, and because holddown spring is flexible, when loosening if there is enclosing cover, so owing to there is the elastic force of spring can not affect the tightness of valve seat and valve body, easy to use, Security is good.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model according to specific embodiment also by reference to the accompanying drawings, wherein:
Fig. 1 is structural representation of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is structural representation of the present utility model.
See Fig. 1, a kind of ball valve, comprise that a side is provided with the valve body 1 of valve seat mounting hole 11, be installed in the valve seat 2 in the valve seat mounting hole 11, be arranged on the spherical valve core 3 in the valve seat 2, one end is inserted into spherical valve core 3 tops, the other end stretches out the valve rod 4 of valve seat 2, handle 5 is installed on the valve rod 4, valve seat 2 is provided with the through hole that is connected with valve body 1 inner passage with spherical valve core 3, valve rod 4 is provided with seal ring 6 with valve seat 2 contacting points, and valve seat mounting hole 11 outsides on the valve body 1 are provided with enclosing cover 12, are provided with holddown spring 7 between enclosing cover 12 and valve seat 2, holddown spring 7 one ends are connected on the valve seat 2, and the other end is connected on the enclosing cover 12.Holddown spring can be for two or more in the utility model.
On the valve seat 2 or enclosing cover 12 be provided with spring fixed hole 8, holddown spring 7 is installed in the spring mounting hole 8.Also can on two, be equipped with spring fixed hole.Present embodiment is to cover outside to be provided with spring fixed hole.
Valve rod 4 also is provided with seal closure 9 with the outside, valve seat 2 joints.
Enclosing cover 12 is fixed on valve seat mounting hole 11 outsides on the valve body 1 by bolt 10.
Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to mode of execution of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all mode of executions exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection domain of the present utility model.
Claims (4)
1. ball valve, comprise that a side is provided with the valve body of valve seat mounting hole, be installed in the valve seat in the described valve seat mounting hole, be arranged on the spherical valve core in the valve seat, one end is inserted into the spherical valve core top, the other end stretches out the valve rod of valve seat, on the described valve rod handle is installed, described valve seat is provided with the through hole that is connected with described valve inner passage with spherical valve core, described valve rod and valve seat contacting point are provided with seal ring, the valve seat mounting hole outside on the described valve body is provided with enclosing cover, it is characterized in that: be provided with holddown spring between described enclosing cover and valve seat, described holddown spring one end is connected on the valve seat, and the other end is connected to outer covering.
2. ball valve according to claim 1 is characterized in that: on the described valve seat or cover outward and be provided with spring fixed hole, described holddown spring is installed in the spring mounting hole.
3. ball valve according to claim 2 is characterized in that: also be provided with seal closure outside described valve rod and the valve seat joint.
4. ball valve according to claim 3 is characterized in that: described enclosing cover is bolted on the valve seat mounting hole outside on the described valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557087 CN202914793U (en) | 2012-10-18 | 2012-10-18 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557087 CN202914793U (en) | 2012-10-18 | 2012-10-18 | Ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914793U true CN202914793U (en) | 2013-05-01 |
Family
ID=48163110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220557087 Expired - Fee Related CN202914793U (en) | 2012-10-18 | 2012-10-18 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019247A (en) * | 2014-06-05 | 2014-09-03 | 张家港富瑞特种装备股份有限公司 | Overflow valve clack of ball valve |
-
2012
- 2012-10-18 CN CN 201220557087 patent/CN202914793U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019247A (en) * | 2014-06-05 | 2014-09-03 | 张家港富瑞特种装备股份有限公司 | Overflow valve clack of ball valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203906813U (en) | Pneumatic and manual normally-open emergency cut-off valve | |
| CN202914793U (en) | Ball valve | |
| CN202928755U (en) | Device for testing seepage of non-return valve | |
| CN202561135U (en) | Vacuumizing and nitrogen charging protective device of oxygen valve | |
| CN204628660U (en) | A kind of one-way valve | |
| CN205244708U (en) | Singly close union tee of rivers | |
| CN109357035B (en) | Axial sealing ball valve of valve rod | |
| CN203162427U (en) | Hydraulic forcible pipeline stop valve | |
| CN204061943U (en) | A kind of leakproof hot and cold water Two purpose valve | |
| CN203067918U (en) | Gate valve with elastic sealing block | |
| CN202646900U (en) | Valve rod sealing device | |
| CN205330901U (en) | Convenient hydraulic pressure manual pump of dismantling | |
| CN204114215U (en) | Piston type valve seat sealing ball valve | |
| CN204592487U (en) | There is the Forging Steel Valve extending valve body | |
| CN203131055U (en) | Mining gas butterfly valve | |
| CN201891964U (en) | Joint | |
| CN102628524A (en) | Valve stem sealing device | |
| CN210483554U (en) | Anti-leakage oil well tee joint | |
| CN203880130U (en) | Fixed ball valve for top assembling | |
| CN203413132U (en) | Axial flow valve | |
| CN204358127U (en) | The butterfly plate of seal butterfly valve | |
| CN206478365U (en) | A kind of oil return pipe soft connection device of brake block hot press | |
| CN202252085U (en) | Lining fluorine ball valve | |
| CN202691129U (en) | Electric rubber liner membrane valve | |
| CN202252180U (en) | Oblique angle type stoppage check valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20131018 |