CN201121731Y - Limiting mechanism of ball valve - Google Patents
Limiting mechanism of ball valve Download PDFInfo
- Publication number
- CN201121731Y CN201121731Y CNU2007201313028U CN200720131302U CN201121731Y CN 201121731 Y CN201121731 Y CN 201121731Y CN U2007201313028 U CNU2007201313028 U CN U2007201313028U CN 200720131302 U CN200720131302 U CN 200720131302U CN 201121731 Y CN201121731 Y CN 201121731Y
- Authority
- CN
- China
- Prior art keywords
- support
- valve shaft
- key
- stop
- 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 provides a stop gear for a ball valve, the stop gear comprises a valve shaft, a key, a support and a driving gear, the driving gear is connected with the support, the valve shaft passes through the support to be connected with the driving gear through the key, the hole of the support is internally welded with a stop block, a step is arranged on the valve shaft, and is sleeved with a stop plate matched with the stop block, and the stop plate is connected with the valve shaft through the key. The stop gear has the advantages that the stop gear is arranged on the support, the installation is convenient, and the installing space and the product cost are saved.
Description
Technical field
The utility model relates to a kind of position-limit mechanism, especially a kind of position-limit mechanism of ball valve.
Background technique
Use the ball valve that uses at nuclear power, metallurgy industry at present, its mechanical position limitation mechanism is installed on the valve body mostly, causes valve size to become big, inconvenience is installed, and has increased the cost of product.
Summary of the invention
In order to overcome existing ball valve position-limit mechanism inconvenience is installed, product size is big, the deficiency that cost is high, and the utility model provides a kind of position-limit mechanism of ball valve.
The technological scheme that its technical problem that solves the utility model adopts is a kind of position-limit mechanism of ball valve, comprise valve shaft, key, support, drive unit, drive unit is connected with support, valve shaft passes support and is connected with drive unit by key, be welded with a limiting stopper in the hole of support, one step is arranged on the valve shaft, be with a limiting board that cooperates with limiting stopper on the step, limiting board is connected by key with valve shaft.
The beneficial effects of the utility model position-limit mechanism is rack-mount, and is easy for installation, saved installing space and product cost.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the tectonic maps of present embodiment
Fig. 2 is the sectional view of Fig. 1
Among the figure: 1. drive unit; 2. valve shaft; 3. key; 4. limiting board; 5. step; 6. support; 7. limiting stopper.
Embodiment
As shown in Figure 1, 2, a kind of position-limit mechanism of ball valve, comprise valve shaft 2, key 3, support 6, drive unit 1, drive unit 1 is connected with support 6, valve shaft 2 passes support 6 and is connected with drive unit 1 by key 3, is welded with a limiting stopper 7 in the hole of support 1, and a step 5 is arranged on the valve shaft 2, be with a limiting board 4 that cooperates with limiting stopper 7 on the step 5, limiting board 4 is connected by key 3 with valve shaft 2.
Claims (1)
1, a kind of position-limit mechanism of ball valve, comprise valve shaft, key, support, drive unit, drive unit is connected with support, valve shaft passes support and is connected with drive unit by key, it is characterized in that: be welded with a limiting stopper in the hole of described support, one step is arranged on the described valve shaft, be with a limiting board that cooperates with limiting stopper on the step, limiting board is connected by key with valve shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201313028U CN201121731Y (en) | 2007-12-07 | 2007-12-07 | Limiting mechanism of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201313028U CN201121731Y (en) | 2007-12-07 | 2007-12-07 | Limiting mechanism of ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201121731Y true CN201121731Y (en) | 2008-09-24 |
Family
ID=40008958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201313028U Expired - Fee Related CN201121731Y (en) | 2007-12-07 | 2007-12-07 | Limiting mechanism of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201121731Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996844A (en) * | 2012-12-20 | 2013-03-27 | 四川精控阀门制造有限公司 | Limiting ball valve |
| CN105909817A (en) * | 2016-06-04 | 2016-08-31 | 江苏神通阀门股份有限公司 | Ball valve rotation limit mechanism |
-
2007
- 2007-12-07 CN CNU2007201313028U patent/CN201121731Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996844A (en) * | 2012-12-20 | 2013-03-27 | 四川精控阀门制造有限公司 | Limiting ball valve |
| CN105909817A (en) * | 2016-06-04 | 2016-08-31 | 江苏神通阀门股份有限公司 | Ball valve rotation limit mechanism |
| CN105909817B (en) * | 2016-06-04 | 2018-07-20 | 江苏神通阀门股份有限公司 | A kind of ball valve slewing limit mechanism |
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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: 20080924 Termination date: 20111207 |