CN203374845U - Oxygen stop valve - Google Patents
Oxygen stop valve Download PDFInfo
- Publication number
- CN203374845U CN203374845U CN201320417150.3U CN201320417150U CN203374845U CN 203374845 U CN203374845 U CN 203374845U CN 201320417150 U CN201320417150 U CN 201320417150U CN 203374845 U CN203374845 U CN 203374845U
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- Prior art keywords
- valve
- cavity
- clack
- channel
- stop valve
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Abstract
The utility model discloses an oxygen stop valve which comprises an execution mechanism, a valve body, a valve cover, a support, a valve rod, a main valve clack and an auxiliary valve clack. The valve body is connected with the valve cover which is connected with the support, one end of the valve rod is connected with the execution mechanism, and the other end of the valve rod is connected with the main valve clack and the auxiliary valve clack. A gas channel is arranged in the valve body, one side of the gas channel is an inlet channel, and the other side of the gas channel is an outlet channel. When the stop valve is closed, the main valve clack is arranged between the inlet channel and the outlet channel, a cavity is formed in the main valve clack, the auxiliary valve clack is arranged in the cavity, and the auxiliary valve clack can move in the cavity. The main valve clack is provided with one or more gas flow channels which comprise one or more inlet flow channels and one or more outlet flow channels, one end of each inlet flow channel is connected with the cavity, and the other end of the each inlet flow channel is connected with the inlet channel. One end of each outlet flow channel is connected with the cavity, and the other end of each outlet flow channel is connected with the outlet channel. The oxygen stop valve can reduce pressure difference between the front portion and the rear portion of the valve, and the valve can be quickly started and closed.
Description
Technical field
The utility model belongs to the mechanical device technical field, relates to a kind of stop valve, relates in particular to a kind of oxygen stop valve.
Background technique
Valve is the controlling component in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.For the valve of liquid control system, from the simplest stop valve to very complicated robot control system(RCS) various valves used, its kind and specification are quite various.Valve can be used for controlling flowing of all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.
Existing oxygen stop valve only is provided with a flap usually, there is no balance, pooling feature, and pressure reduction after and before the valve is too large, inconvenient fast opening/closing valve.In addition, existing oxygen stop valve complex structure, cost is higher.
In view of this, nowadays in the urgent need to designing a kind of new oxygen stop valve, to overcome the defect of existing stop valve.
The model utility content
Technical problem to be solved in the utility model is: a kind of oxygen stop valve is provided, can reduces pressure reduction after and before the valve, fast opening/closing valve.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of oxygen stop valve, described stop valve comprises: actuator, valve body, valve gap, support, valve rod, main valve clack, secondary flap;
Described valve body is connected with valve gap, and valve gap is connected with support; One end of described valve rod connects actuator, and the other end connects main valve clack and secondary flap;
Be provided with gas channel in described valve body, a side is inlet channel, and opposite side is outlet passage, and when stop valve is closed, main valve clack is arranged between inlet channel and outlet passage;
Be provided with cavity in described main valve clack, described secondary flap is set in cavity, secondary flap can be movable in cavity;
Described main valve clack is provided with one or more gas flows, comprises one or more entrance channels and one or more outlet flow;
One end of described entrance channel connects cavity, and the other end connects described inlet channel; One end of described outlet flow connects cavity, and the other end connects described outlet passage.
As a kind of preferred version of the present utility model, described actuator comprises handwheel.
As a kind of preferred version of the present utility model, described main valve clack is provided with two entrance channels and two outlet flow.
As a kind of preferred version of the present utility model, the cross section of described cavity is corresponding with the cross section of secondary flap, and secondary flap can vertically move in cavity.
As a kind of preferred version of the present utility model, described valve body, valve gap, support form the cut-off valve housing, and valve rod is arranged in housing; Valve rod and valve gap contacting point are provided with one or more O type circles.
As a kind of preferred version of the present utility model, be provided with a through hole between described inlet channel and outlet passage, an end of described main valve clack is provided with guide rod, and guide rod is through this through hole.
As a kind of preferred version of the present utility model, the medial axis of described guide rod and the medial axis of valve rod are point-blank.
The beneficial effects of the utility model are: the oxygen stop valve the utility model proposes, can reduce pressure reduction after and before the valve, fast opening/closing valve.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model oxygen stop valve.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment one
Refer to Fig. 1, the utility model has disclosed a kind of oxygen stop valve, and described stop valve comprises: actuator 1, valve body 4, valve gap 3, support 2, valve rod 5, main valve clack 6, secondary flap 7.
Described valve body 4 is connected with valve gap 3, and valve gap 3 is connected with support 2, and described valve body 4, valve gap 3, support 2 form the cut-off valve housing; Valve rod 5 is arranged in housing, and valve rod 5 is provided with one or more O type circles with valve gap 3 contacting points.One end of described valve rod 5 connects the described actuator 1 of the 1(of actuator can comprise handwheel), the other end connects main valve clack 6 and secondary flap 7.
Be provided with gas channel in described valve body 4, a side is inlet channel 41, and opposite side is outlet passage 42, and when stop valve is closed, main valve clack 6 is arranged between inlet channel 41 and outlet passage 42.Be provided with a through hole between described inlet channel and outlet passage, an end of described main valve clack 6 is provided with guide rod 9, and guide rod 9 is through this through hole.Guide rod 9 can be followed moving up and down of main valve clack 6 and be moved under the restriction of through hole, prevents valve rod 5, main valve clack 6 off normals.Preferably, the medial axis of described guide rod 9 can with the medial axis of valve rod 5 point-blank.
Be provided with cavity in described main valve clack 6, described secondary flap 7 is set in cavity, secondary flap 7 can be movable in cavity.The cross section of described cavity is corresponding with the cross section of secondary flap 7, and secondary flap 7 can vertically move in cavity.
Described main valve clack 6 is provided with one or more gas flows 8, comprises one or more entrance channels and one or more outlet flow.In the present embodiment, described main valve clack 6 is provided with two entrance channels and two outlet flow.One end of described entrance channel connects cavity, and the other end connects described inlet channel 41; One end of described outlet flow connects cavity, and the other end connects described outlet passage 42.
In sum, the oxygen stop valve the utility model proposes, can reduce pressure reduction after and before the valve, fast opening/closing valve.
Here description of the present utility model and application is illustrative, not wants by scope restriction of the present utility model in the above-described embodiments.Here disclosed embodiment's distortion and change is possible, and for those those of ordinary skill in the art, the various parts of embodiment's replacement and equivalence are known.Those skilled in the art are noted that in the situation that do not break away from spirit of the present utility model or substantive characteristics, and the utility model can be with other form, structure, layout, ratio, and realizes with other assembly, material and parts.In the situation that do not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (7)
1. an oxygen stop valve, is characterized in that, described stop valve comprises: actuator, valve body, valve gap, support, valve rod, main valve clack, secondary flap;
Described valve body is connected with valve gap, and valve gap is connected with support; One end of described valve rod connects actuator, and the other end connects main valve clack and secondary flap;
Be provided with gas channel in described valve body, a side is inlet channel, and opposite side is outlet passage, and when stop valve is closed, main valve clack is arranged between inlet channel and outlet passage;
Be provided with cavity in described main valve clack, described secondary flap is set in cavity, secondary flap can be movable in cavity;
Described main valve clack is provided with one or more gas flows, comprises one or more entrance channels and one or more outlet flow;
One end of described entrance channel connects cavity, and the other end connects described inlet channel; One end of described outlet flow connects cavity, and the other end connects described outlet passage.
2. oxygen stop valve according to claim 1 is characterized in that:
Described actuator comprises handwheel.
3. oxygen stop valve according to claim 1 is characterized in that:
Described main valve clack is provided with two entrance channels and two outlet flow.
4. oxygen stop valve according to claim 1 is characterized in that:
The cross section of described cavity is corresponding with the cross section of secondary flap, and secondary flap can vertically move in cavity.
5. oxygen stop valve according to claim 1 is characterized in that:
Described valve body, valve gap, support form the cut-off valve housing, and valve rod is arranged in housing; Valve rod and valve gap contacting point are provided with one or more O type circles.
6. oxygen stop valve according to claim 1 is characterized in that:
Be provided with a through hole between described inlet channel and outlet passage, an end of described main valve clack is provided with guide rod, and guide rod is through this through hole.
7. oxygen stop valve according to claim 6 is characterized in that:
The medial axis of described guide rod and the medial axis of valve rod are point-blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320417150.3U CN203374845U (en) | 2013-07-12 | 2013-07-12 | Oxygen stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320417150.3U CN203374845U (en) | 2013-07-12 | 2013-07-12 | Oxygen stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374845U true CN203374845U (en) | 2014-01-01 |
Family
ID=49837374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320417150.3U Expired - Lifetime CN203374845U (en) | 2013-07-12 | 2013-07-12 | Oxygen stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203374845U (en) |
-
2013
- 2013-07-12 CN CN201320417150.3U patent/CN203374845U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |
|
| CX01 | Expiry of patent term |