CN204213410U - Swing check valve - Google Patents
Swing check valve Download PDFInfo
- Publication number
- CN204213410U CN204213410U CN201420690604.9U CN201420690604U CN204213410U CN 204213410 U CN204213410 U CN 204213410U CN 201420690604 U CN201420690604 U CN 201420690604U CN 204213410 U CN204213410 U CN 204213410U
- Authority
- CN
- China
- Prior art keywords
- check valve
- block set
- spacing block
- swing check
- trip bolt
- 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
Abstract
Swing check valve.Mainly solve the as easy as rolling off a log generation vibration in open and close process of existing Swing check valve, and the Cock screw of support very easily produces loosening, time serious, flap may come off and fall into the problem that passage causes the accident.It is characterized in that: correspondingly with described fastening screw trip bolt (3) on described valve gap (5) inwall be provided with spacing block set (4), described spacing block set (4) is located at described fastening screw trip bolt (3) top, and is provided with gap (6) between described spacing block set (4) and fastening screw trip bolt (3).The utility model provides a kind of Swing check valve, and valve gap inwall described in it is provided with spacing block set to block bracket screw, even if screw loosening also can not come off, using effect is good, safe and reliable.
Description
Technical field
The utility model belongs to field of check valves, particularly Swing check valve.
Background technique
swing check valve is as easy as rolling off a log generation vibration in open and close process, and the Cock screw of support very easily produces loosening, and time serious, flap may come off and fall into passage and cause the accident.
Model utility content
In order to overcome the deficiency of background technique, the utility model provides Swing check valve, mainly solve the as easy as rolling off a log generation vibration in open and close process of existing Swing check valve, and the Cock screw of support very easily produces loosening, time serious, flap may come off and fall into the problem that passage causes the accident.
The technological scheme that the utility model adopts is:
A kind of Swing check valve, comprise the valve body and valve gap that removably connect, support is provided with in described valve body, described support installing has fastening screw trip bolt, correspondingly with described fastening screw trip bolt on described valve gap inwall be provided with spacing block set, described spacing block set is located at above described fastening screw trip bolt, and is provided with gap between described spacing block set and fastening screw trip bolt.
Described gap is more than or equal to the length that 0mm is less than fastening screw trip bolt.
Described valve body and valve gap are bolted.
Described spacing block set is cylindrical.
The beneficial effects of the utility model are: the utility model provides a kind of Swing check valve, and valve gap inwall described in it is provided with spacing block set to block bracket screw, even if screw loosening also can not come off, using effect is good, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the sectional view of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail: as shown in the figure, a kind of Swing check valve, a kind of Swing check valve, comprise the valve body 1 and valve gap 5 that removably connect, be provided with support 2 in described valve body 1, described support 2 is provided with fastening screw trip bolt 3, correspondingly with described fastening screw trip bolt 3 on described valve gap 5 inwall is provided with spacing block set 4, described spacing block set 4 is located at above described fastening screw trip bolt 3, and is provided with gap 6 between described spacing block set 4 and fastening screw trip bolt 3.The utility model provides a kind of Swing check valve, and valve gap inwall described in it is provided with spacing block set to block bracket screw, even if screw loosening also can not come off, using effect is good, safe and reliable.
In the utility model, as shown in the figure, described gap 6 is more than or equal to the length that 0mm is less than fastening screw trip bolt 3.Effectively prevent toner screw, using effect is good.
In the utility model, as shown in the figure, described valve body 1 and valve gap 5 are bolted.Structure is simple, and easy to assembly, using effect is good.
In the utility model, as shown in the figure, described spacing block set 4 is cylindrical.Also can be designed to other shapes herein, as triangular prism, tetragonal prism etc., cylindrical is optimal way, and other can be optionally.
Embodiment should not be considered as restriction of the present utility model, but any improvement done based on spirit of the present utility model, all should within protection domain of the present utility model.
Claims (4)
1. a Swing check valve, comprise the valve body (1) and valve gap (5) that removably connect, support (2) is provided with in described valve body (1), described support (2) is provided with fastening screw trip bolt (3), it is characterized in that: correspondingly with described fastening screw trip bolt (3) on described valve gap (5) inwall be provided with spacing block set (4), described spacing block set (4) is located at described fastening screw trip bolt (3) top, and is provided with gap (6) between described spacing block set (4) and fastening screw trip bolt (3).
2. Swing check valve according to claim 1, is characterized in that: described gap (6) are more than or equal to the length that 0mm is less than fastening screw trip bolt (3).
3. Swing check valve according to claim 1, is characterized in that: described valve body (1) and valve gap (5) are bolted.
4. Swing check valve according to claim 1, is characterized in that: described spacing block set (4) is for cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420690604.9U CN204213410U (en) | 2014-11-18 | 2014-11-18 | Swing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420690604.9U CN204213410U (en) | 2014-11-18 | 2014-11-18 | Swing check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204213410U true CN204213410U (en) | 2015-03-18 |
Family
ID=52982082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420690604.9U Expired - Fee Related CN204213410U (en) | 2014-11-18 | 2014-11-18 | Swing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204213410U (en) |
-
2014
- 2014-11-18 CN CN201420690604.9U patent/CN204213410U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20171118 |