CN203442147U - Double-direction fluid stop valve - Google Patents
Double-direction fluid stop valve Download PDFInfo
- Publication number
- CN203442147U CN203442147U CN201320414277.XU CN201320414277U CN203442147U CN 203442147 U CN203442147 U CN 203442147U CN 201320414277 U CN201320414277 U CN 201320414277U CN 203442147 U CN203442147 U CN 203442147U
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- Prior art keywords
- valve
- valve rod
- rod
- clack
- actuator
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- Expired - Lifetime
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Abstract
The utility model discloses a double-direction fluid stop valve which comprises an actuator, a valve body, a valve cover, a support, a valve rod, a main valve clack, a lining and a bypass device. 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 actuator. The other end of the valve rod is connected with the main valve clack. A sleeve body which is provided with the valve rod in a nesting mode is arranged between the valve cover and the valve rod. A plurality of sealing rings are arranged at the contact portion of the valve rod and the sleeve body. One or more sealing rings are arranged between the valve rod and the sleeve body and close to the valve rod. One or more sealing rings are arranged between the valve cover and the sleeve body and close to the valve cover. Part of the main valve clack is arranged in the lining. One or more gas flow channels are arranged on the main valve clack. One end of each gas flow channel is connected with an inlet channel, and the other end of each gas flow channel is connected with the lining. The bypass device is arranged outside the valve body. The inlet channel and an outlet channel are connected through the bypass device which comprises a first valve body. The double-direction fluid stop valve can improve the sealing performance, meanwhile, pressure difference in the front and at the back of the valve can be lowered, and the valve can be opened and closed quickly.
Description
Technical field
The utility model belongs to mechanical device technical field, relates to a kind of stop valve, relates in particular to a kind of bidirectional fluid 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 fluid stop valve is only provided with a flap conventionally, there is no balance, pooling feature, and pressure reduction is after and before the valve too large, inconvenient fast opening/closing valve.Meanwhile, existing stop valve sealing is also not enough, between valve rod and valve gap, easily reveals.In addition, existing fluid stop valve complex structure, cost is higher.
In view of this, nowadays in the urgent need to designing a kind of new fluid stop valve, to overcome the defect of existing stop valve.
Model utility content
Technical problem to be solved in the utility model is: a kind of bidirectional fluid stop valve is provided, can improves the sealing of valve.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A stop valve, described stop valve comprises: actuator, valve body, valve gap, support, valve rod, main valve clack, lining, shunting device;
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;
Between described valve gap and valve rod, be also provided with the body of nested valve rod, the contacting point of described valve rod and body is provided with some seal rings; Wherein, one or more seal rings are arranged between valve rod and body, press close to valve rod setting, and one or more seal rings are arranged between body and valve gap, press close to valve gap setting;
In described valve body, be provided with gas channel, 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;
The part of described main valve clack is arranged in lining; Described main valve clack is provided with one or more gas flows, and one end of gas flow connects inlet channel, the other end connecting bushing;
Described shunting device is arranged at outside valve body, and inlet channel is also connected described shunting device by shunting device with outlet passage and comprises the first valve body.
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 gas flows.
As a kind of preferred version of the present utility model, described valve body, valve gap, support form 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, described the first valve body comprises the first actuator, the first valve body, the first valve rod, the first flap;
Described the first flap is arranged in the first valve body, and one end of the first valve rod connects the first actuator, and the other end connects the first flap.
As a kind of preferred version of the present utility model, described the first actuator is the first handwheel.
As a kind of preferred version of the present utility model, described shunting device also comprises two connecting passages, and two connecting passages connect respectively inlet channel and the outlet passage of valve body; The two ends of described the first valve body connect respectively a connecting passage.
The beneficial effects of the utility model are: the bidirectional fluid stop valve the utility model proposes, can improve the sealing of valve; Can lack pressure reduction after and before the valve, fast opening/closing valve simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model bidirectional fluid stop valve.
Fig. 2 is the partial schematic diagram of the utility model bidirectional fluid stop valve.
Embodiment
Below in conjunction with accompanying drawing, describe preferred embodiment of the present utility model in detail.
Embodiment one
Refer to Fig. 1, Fig. 2, the utility model has disclosed a kind of two-way oxygen stop valve, and described stop valve comprises: actuator 1, valve body 4, valve gap 3, support 2, valve rod 6, main valve clack 7, lining 5, shunting device 9.
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 cut-off valve housing; Valve rod 6 is arranged in housing.Between described valve gap 3 and valve rod 6, be also provided with the body of nested valve rod, described valve rod 6 is provided with some seal rings with the contacting point of body; Wherein, one or more seal rings are arranged between valve rod 6 and body, press close to valve rod 6 arranges, and one or more seal rings are arranged between body and valve gap 3, press close to valve gap 3 settings.
Described in one end connection 1(of actuator of described valve rod 6, actuator 1 can comprise handwheel), the other end connects main valve clack 7.
In described valve body, be provided with gas channel, a side is first passage (as inlet channel), and opposite side is second channel (as outlet passage), and certainly, this stop valve can two-way circulate.When stop valve is closed, main valve clack 7 is arranged between first passage and second channel.
The part of described main valve clack 7 is arranged in lining 5; Described main valve clack 7 is provided with one or more gas flows 8, and in the present embodiment, main valve clack 7 is provided with two gas flows 8; One end of gas flow 8 connects first passage, the other end connecting bushing 5.
Described shunting device 9 is arranged at outside valve body, and first passage is also connected by shunting device with second channel, and described shunting device 9 comprises the first valve body; The first valve body can be the stop valve of handwheel driving.Described shunting device 9 also comprises two connecting passages, and two connecting passages connect respectively first passage and the second channel of valve body; The two ends of described the first valve body connect respectively a connecting passage.
In the present embodiment, described the first valve body comprises the first actuator, the first valve body, the first valve rod, the first flap; Described the first flap is arranged in the first valve body, and one end of the first valve rod connects the first actuator, and the other end connects the first flap.Described the first actuator is the first handwheel.
In sum, the bidirectional fluid stop valve the utility model proposes, can improve the sealing of valve; Can lack pressure reduction after and before the valve, fast opening/closing valve simultaneously.
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 not departing 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 not departing from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (7)
1. a bidirectional fluid stop valve, is characterized in that, described stop valve comprises: actuator, valve body, valve gap, support, valve rod, main valve clack, lining, shunting device;
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;
Between described valve gap and valve rod, be also provided with the body of nested valve rod, the contacting point of described valve rod and body is provided with some seal rings; Wherein, one or more seal rings are arranged between valve rod and body, press close to valve rod setting, and one or more seal rings are arranged between body and valve gap, press close to valve gap setting;
In described valve body, be provided with gas channel, 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;
The part of described main valve clack is arranged in lining; Described main valve clack is provided with one or more gas flows, and one end of gas flow connects inlet channel, the other end connecting bushing;
Described shunting device is arranged at outside valve body, and inlet channel is also connected described shunting device by shunting device with outlet passage and comprises the first valve body.
2. bidirectional fluid stop valve according to claim 1, is characterized in that:
Described actuator comprises handwheel.
3. bidirectional fluid stop valve according to claim 1, is characterized in that:
Described main valve clack is provided with two gas flows.
4. bidirectional fluid stop valve according to claim 1, is characterized in that:
Described valve body, valve gap, support form 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.
5. bidirectional fluid stop valve according to claim 1, is characterized in that:
Described the first valve body comprises the first actuator, the first valve body, the first valve rod, the first flap;
Described the first flap is arranged in the first valve body, and one end of the first valve rod connects the first actuator, and the other end connects the first flap.
6. bidirectional fluid stop valve according to claim 5, is characterized in that:
Described the first actuator is the first handwheel.
7. bidirectional fluid stop valve according to claim 1, is characterized in that:
Described shunting device also comprises two connecting passages, and two connecting passages connect respectively inlet channel and the outlet passage of valve body; The two ends of described the first valve body connect respectively a connecting passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414277.XU CN203442147U (en) | 2013-07-12 | 2013-07-12 | Double-direction fluid stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414277.XU CN203442147U (en) | 2013-07-12 | 2013-07-12 | Double-direction fluid stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203442147U true CN203442147U (en) | 2014-02-19 |
Family
ID=50093204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320414277.XU Expired - Lifetime CN203442147U (en) | 2013-07-12 | 2013-07-12 | Double-direction fluid stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203442147U (en) |
-
2013
- 2013-07-12 CN CN201320414277.XU patent/CN203442147U/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: 20140219 |
|
| CX01 | Expiry of patent term |