CN208703200U - A kind of quick fluid stopping check valve - Google Patents
A kind of quick fluid stopping check valve Download PDFInfo
- Publication number
- CN208703200U CN208703200U CN201821314099.2U CN201821314099U CN208703200U CN 208703200 U CN208703200 U CN 208703200U CN 201821314099 U CN201821314099 U CN 201821314099U CN 208703200 U CN208703200 U CN 208703200U
- Authority
- CN
- China
- Prior art keywords
- input channel
- spool
- valve chamber
- valve
- channel
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 description 12
- 239000000567 combustion gas Substances 0.000 description 11
- 239000002737 fuel gas Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model discloses a kind of quick fluid stopping check valves, including valve body, the body cavity is provided with valve chamber, the valve chamber both ends are respectively arranged with input channel and output channel, the input channel and the output channel other end extend through valve chamber two sidewalls, and extend to valve outer wall side, and the valve chamber is provided with sliding slot in two sides up and down, the sliding slot other side extends to body cavity, is provided with spool in the valve chamber.The setting that the utility model passes through spool, be conducive to spool in the thrust by input channel one end, spool can be far from input channel, to make the gas in input channel be emitted into valve chamber, and after one end thrust of input channel disappears, spool provides under opposite direction active force in reset spring, it is run to input channel side, until being bonded to each other with input channel output end inner wall, achieve the effect that seal input channel, to effectively prevent the gas backstreaming in valve chamber into input channel.
Description
Technical field
The utility model relates to valving field more particularly to a kind of quick fluid stopping check valves.
Background technique
Now on the market and in life, check valve is very universal, and check valve can effectively prevent water reflux, and combustion gas is returned
Stream, meanwhile, it can achieve the effect that many occasions need, therefore largely used, but existing one-way valve structures are simple, only
It is poor to return effect, and under long-time use, poor sealing effect, and generally require manual operation and achieve the effect that non-return.
Utility model content
For overcome the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of quick fluid stopping unidirectional
Valve can achieve the effect of automatic quickly non-return.
One of the purpose of this utility model adopts the following technical scheme that realization:
A kind of quick fluid stopping check valve, including valve body, the body cavity are provided with valve chamber, and the valve chamber both ends are set respectively
It is equipped with input channel and output channel, the input channel and the output channel other end extend through valve chamber two sidewalls, and extend
To valve outer wall side, the valve chamber is provided with sliding slot in two sides up and down, and the sliding slot other side extends to body cavity, described
Spool is provided in valve chamber, the spool is set to input channel side, and two sides are fixedly installed limit cunning to the spool up and down
Block, described position limiting slide block one end extend in sliding slot, and position limiting slide block activity clamping in sliding slot, and the spool side fixation is set
It is equipped with reset spring.
By using above-mentioned technical proposal, be conducive to spool in the thrust by input channel one end, spool can be separate
Input channel, thus make the gas emission in input channel into valve chamber, and after one end thrust of input channel disappears, spool exists
Reset spring is provided under opposite direction active force, runs to input channel side, until mutually pasting with input channel output end inner wall
It closes, achievees the effect that seal input channel, to effectively prevent the fuel gas return-flow in valve chamber into input channel.
Further, positioning plate is fixedly installed in the valve chamber, the positioning plate is set to output channel side, described
Positioning plate side is fixedly installed connecting plate, and the connecting plate is set to spool side, the reset spring other end with connect
Plate side wall is fixedly connected, and connecting plate outer wall side is provided with gas vent, and positioning plate is run through in described gas vent one end, and extends
To positioning plate outer wall side.
By using above-mentioned technical proposal, reset spring is fixed on connecting plate side, plays the role of support, and is vented
The setting in hole, the combustion gas be conducive in valve chamber are transported in output channel from gas vent, to be transported to next station.
Further, the valve body two sides are provided with external connection screw head, external connection screw head described in two sides respectively with input
Pipeline input terminal is fixedly connected with output channel output end.
By using above-mentioned technical proposal, be conducive to for the present apparatus and external gas pipeline being attached to fuel gas conduit
The combustion gas circulated in road achievees the effect that one-way transmission.
Further, the input channel output end and output channel input terminal shape are disposed as truncated conical shape, described
Spool is to be arranged by 4/5ths spheres and cylinder body by integral formingization, and spool maximum gauge and input channel output end are maximum
Diameter is equal.
By using above-mentioned technical proposal, the setting being mutually matched using spool and input channel output end be can achieve
To the effect of input channel output end sealing.
Further, the spool outer wall is arranged with sealing ring, and the sealing ring is made of elastic rubber.
By using above-mentioned technical proposal, using the elastic property of elastic rubber, when connecting spool with input channel, benefit
Sealing ring is formed with input channel inner wall and is squeezed and deformed, the gap between spool and input channel fitting part is sufficient filling with,
To improve sealing effect.
Compared with prior art, the utility model has the beneficial effects that:
The utility model is conducive to spool in the thrust by input channel one end, spool meeting by the setting of spool
Far from input channel, thus make the gas emission in input channel into valve chamber, and after one end thrust of input channel disappears, valve
Core is run in the case where reset spring provides opposite direction active force to input channel side, until with input channel output end inner wall phase
Mutually fitting achievees the effect that seal input channel, thus effectively prevent the fuel gas return-flow in valve chamber into input channel, and
Present apparatus structure is simple, easy to operate, and degree of flexibility is high, can achieve the effect of quick non-return.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be more clearly understood with advantage, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model positioning plate side structure schematic view.
In figure: 1, valve body；2, valve chamber；3, input channel；4, output channel；5, sliding slot；6, spool；7, position limiting slide block；8,
Reset spring；9, positioning plate；10, connecting plate；11, gas vent；12, external connection screw head.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
As shown in Figure 1, the utility model include valve body 1, valve chamber 2, input channel 3, output channel 4, sliding slot 5, spool 6,
Position limiting slide block 7, reset spring 8 and positioning plate 9, wherein valve chamber 2 is set to 1 inner cavity of valve body, is to provide movable field for spool 6
Institute；Input channel 3 and output channel 4 are set to 2 two sides of valve chamber, are for being passed through and exporting to combustion gas；Sliding slot 5 is to be set to
About 2 two sides of valve chamber are conducive to provide position limiting slide block 7 on mobile guide rail, and reach the work limited to position limiting slide block 7
With, avoid position limiting slide block 7 sliding when generate inclination；Spool 6 is set in valve chamber 2, is conducive to export input channel 3
End is sealed, and the combustion gas in input channel 3 is prevented to export into valve chamber 2, to achieve the effect that cutout；Position limiting slide block
7 are fixedly disposed at about 6 two sides of spool, and 6 other end of spool extends in sliding slot 5, are conducive to reach to the positioning of spool 6 school
Quasi- effect generates inclination when spool 6 being avoided to slide in valve chamber 2, to influence the sealing effect to input channel 3；It resets
Spring 8 is to be set to 6 side of spool, when input channel 3 stops delivery of fuel gas, when 6 one side-thrust of spool disappears, utilizes reset
Spring 8 provides the thrust of opposite direction to spool 6, extends to spool 6 in input channel 3, reaches the effect of sealing input channel 3
Fruit, so that combustion gas be prevented to flow back into input channel 3；Positioning plate 9 is for playing a supporting point to reset spring 8.
In conjunction with shown in Fig. 1 and Fig. 2, connecting plate 10 and gas vent 11 are provided on positioning plate 9,10 one end of connecting plate is and answers
Position spring 8 is attached, and for playing fixed effect to reset spring 8, and gas vent 11 is for connection to valve chamber 2 and output
Pipeline 4 is delivered to the combustion gas in valve chamber 2 in output channel 4 from gas vent 11, to be transported to next station.
As shown in Figure 1, external connection screw head 12 is fixedly installed in 1 two sides of valve body, the present apparatus and external gas pipeline are carried out
It is threadedly coupled, forms an entirety, pass through combustion gas out of check valve.
The course of work of the present embodiment, combustion gas enter from input channel 3, and apply a thrust to spool 6, make spool
6 are moved in sliding slot 5 by position limiting slide block 7, and then spool 6 is gradually distance from the output end of input channel 3, and combustion gas is made to be input to valve
In chamber 2, and entered in output channel 4 by gas vent 11 to next station, and when the stopping of input channel 3 is passed through combustion gas
When, reset spring 8 can provide the thrust of an opposite direction to spool 6, and so that spool 6 is moved closer to the output end of input channel 3, and
And be bonded seal the output end of input channel 3 therewith, prevent the fuel gas return-flow in valve chamber 2 into input channel 3.
Position limiting slide block 7 makes to be attached by way of activity clamping with sliding slot 5 in the present embodiment.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (5)
1. a kind of quick fluid stopping check valve, including valve body, it is characterised in that: the body cavity is provided with valve chamber, the valve chamber
Both ends are respectively arranged with input channel and output channel, and the input channel and the output channel other end extend through valve chamber two sides
Wall, and valve outer wall side is extended to, the valve chamber is provided with sliding slot in two sides up and down, and the sliding slot other side extends to valve body
Inner cavity, spool is provided in the valve chamber, and the spool is set to input channel side, spool two sides fixed setting up and down
There is position limiting slide block, described position limiting slide block one end extends in sliding slot, and position limiting slide block activity clamping, spool one in sliding slot
Side is fixedly installed reset spring.
2. a kind of quick fluid stopping check valve as described in claim 1, it is characterised in that: be fixedly installed positioning in the valve chamber
Plate, the positioning plate are set to output channel side, and the positioning plate side is fixedly installed connecting plate, the connecting plate setting
In spool side, the reset spring other end is fixedly connected with connecting plate side wall, and connecting plate outer wall side is provided with row
Stomata, positioning plate is run through in described gas vent one end, and extends to positioning plate outer wall side.
3. a kind of quick fluid stopping check valve as claimed in claim 2, it is characterised in that: the valve body two sides are provided with external
Thread head, external connection screw head described in two sides are fixedly connected with input channel input terminal and output channel output end respectively.
4. a kind of quick fluid stopping check valve as claimed in claim 3, it is characterised in that: the input channel output end and output
Pipeline input terminal shape is disposed as truncated conical shape, and the spool is set by 4/5ths spheres and cylinder body by integral forming
It sets, and spool maximum gauge is equal with input channel output end maximum gauge.
5. a kind of quick fluid stopping check valve as claimed in claim 4, it is characterised in that: the spool outer wall is arranged with sealing
Circle, the sealing ring is made of elastic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821314099.2U CN208703200U (en) | 2018-08-15 | 2018-08-15 | A kind of quick fluid stopping check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821314099.2U CN208703200U (en) | 2018-08-15 | 2018-08-15 | A kind of quick fluid stopping check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208703200U true CN208703200U (en) | 2019-04-05 |
Family
ID=65942337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821314099.2U Expired - Fee Related CN208703200U (en) | 2018-08-15 | 2018-08-15 | A kind of quick fluid stopping check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208703200U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110815672A (en) * | 2019-11-23 | 2020-02-21 | 耒阳市旗心电子科技有限公司 | Plastic casing drying device is used in electronic product production |
| CN115045631A (en) * | 2022-07-25 | 2022-09-13 | 帕特恩(大庆)石油科技有限公司 | Multi-stage sealing intelligent protector for polymer composite particles at well mouth of oil pumping machine |
-
2018
- 2018-08-15 CN CN201821314099.2U patent/CN208703200U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110815672A (en) * | 2019-11-23 | 2020-02-21 | 耒阳市旗心电子科技有限公司 | Plastic casing drying device is used in electronic product production |
| CN115045631A (en) * | 2022-07-25 | 2022-09-13 | 帕特恩(大庆)石油科技有限公司 | Multi-stage sealing intelligent protector for polymer composite particles at well mouth of oil pumping machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190405 |