CN202360795U - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN202360795U CN202360795U CN201120512519XU CN201120512519U CN202360795U CN 202360795 U CN202360795 U CN 202360795U CN 201120512519X U CN201120512519X U CN 201120512519XU CN 201120512519 U CN201120512519 U CN 201120512519U CN 202360795 U CN202360795 U CN 202360795U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- valve body
- valve
- joint
- ball
- 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)
- Valve Housings (AREA)
Abstract
The utility model discloses a ball valve. The ball valve comprises a joint, a valve body, a valve seat, a steel ball and a rotating shaft, wherein the joint is connected on the valve body through a thread, the valve seat is in contact with the steel ball for forming a sealing pair, a positioning pin is arranged on the valve body, and the rotating shaft is mounted in the middle of the steel ball; a handle is fixedly mounted at the upper end of the rotating shaft through a bolt, and an O-shaped seal ring and a retaining ring for playing a sealing role are arranged at the joint of the outer circle of the rotating shaft and the valve body; and a position-limiting step is arranged at the joint of the lower end of the rotating shaft and the valve body. The ball valve disclosed by the utility model has the advantages of simple structure, convenience in production and processing, easiness in mounting and maintenance and long service life.
Description
Technical field
The utility model relates to a kind of ball valve.
Background technique
Spherical stop valve is a kind of of stop valve, is widely used in the coal mine fully-mechanized mining working hydraulic support loop, and when a certain loop generation problem of this support need be overhauled, he can break off this loop and major loop, does not influence the proper functioning of other supports.Spherical stop valve structure commonly used at present is complicated, is difficult for assembling, and position limit pin is easily broken, the problem that working life is short.Our the new a spherical stop valve structure of releasing is simple, and reliability is high.
The model utility content
The purpose of the utility model provides a kind of ball valve, and is complicated with the ball-valve structure that solves existing technology, is difficult for assembling, and position limit pin is easily broken, the problem that working life is short.
In order to achieve the above object, the technological scheme that the utility model adopted is:
A kind of ball valve includes joint, valve body, valve seat, steel ball, rotating shaft, and said joint screw thread is connected on the valve body, and valve seat contacts with steel ball and forms sealing pair, and locating stud is housed on the valve body, and rotating shaft is installed in the middle of the steel ball; Said rotating shaft upper end is equipped with handgrip through bolt, and rotating shaft cylindrical and valve body junction point are provided with O-ring seals and the back-up ring that seals; Said rotating shaft lower end and valve body junction point are provided with limited step.
Described a kind of ball valve, said joint connect the valve body place and are provided with the O-ring seals that seals.
Described a kind of ball valve, said joint front end is provided with O-ring seals and back-up ring.
Description of drawings
Fig. 1 is the utility model ball-valve structure schematic representation.
Embodiment
A kind of ball valve includes joint 1, valve body 2, valve seat 3, steel ball 4, rotating shaft 6, and said joint 1 is threaded on the valve body 2, and valve seat 3 contacts with steel ball 4 and forms sealing pair, and locating stud 5 is housed on the valve body 2, and rotating shaft 6 is installed in the middle of the steel ball 4; Said rotating shaft 6 upper ends are installed with handgrip 7 through bolt 8, and rotating shaft 6 cylindricals and valve body 2 junction points are provided with the O-ring seals 10 and back-up ring 9 that seals; Said rotating shaft 6 lower ends and valve body 2 junction points are provided with limited step; Said joint 1 connects valve 2 body places and is provided with O-ring seals 10; Said joint 1 front end is provided with O-ring seals 10 and back-up ring 9.
Claims (3)
1. a ball valve includes joint, valve body, valve seat, steel ball, rotating shaft, it is characterized in that: said joint screw thread is connected on the valve body, and valve seat contacts with steel ball and forms sealing pair, and locating stud is housed on the valve body, and rotating shaft is installed in the middle of the steel ball; Said rotating shaft upper end is equipped with handgrip through bolt, and rotating shaft cylindrical and valve body junction point are provided with O-ring seals and the back-up ring that seals; Said rotating shaft lower end and valve body junction point are provided with limited step.
2. a kind of ball valve according to claim 1 is characterized in that: said joint connects the valve body place and is provided with the O-ring seals that seals.
3. a kind of ball valve according to claim 1 is characterized in that: said joint front end is provided with O-ring seals and back-up ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120512519XU CN202360795U (en) | 2011-12-09 | 2011-12-09 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120512519XU CN202360795U (en) | 2011-12-09 | 2011-12-09 | Ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202360795U true CN202360795U (en) | 2012-08-01 |
Family
ID=46571983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120512519XU Expired - Fee Related CN202360795U (en) | 2011-12-09 | 2011-12-09 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202360795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061782A (en) * | 2017-07-01 | 2017-08-18 | 黄德修 | A kind of valve rod structure of ball valve and assembly technology |
-
2011
- 2011-12-09 CN CN201120512519XU patent/CN202360795U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061782A (en) * | 2017-07-01 | 2017-08-18 | 黄德修 | A kind of valve rod structure of ball valve and assembly technology |
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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: 20120801 Termination date: 20131209 |