CN206130209U - Check valve - Google Patents
Check valve Download PDFInfo
- Publication number
- CN206130209U CN206130209U CN201620645498.1U CN201620645498U CN206130209U CN 206130209 U CN206130209 U CN 206130209U CN 201620645498 U CN201620645498 U CN 201620645498U CN 206130209 U CN206130209 U CN 206130209U
- Authority
- CN
- China
- Prior art keywords
- plate
- valve body
- check
- flow line
- return flow
- 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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- Check Valves (AREA)
Abstract
The utility model relates to a valve, specific check valve that the leakproofness is stronger that says so, including the valve body, the both ends of valve body are provided with inhalant canal and exhalant canal, are provided with double -deck valve plate in the valve body, and double -deck valve plate includes main board and second board, and valve body inner chamber bottom is provided with the return flow line, return flow line and exhalant canal intercommunication, and the one end of return flow line is provided with the extrusion push rod, and extrusion push rod top is provided with circular cutting somebody's hair, and the valve body is worn out to the one end of extrusion push rod. The utility model discloses the proposition of originality the structure of double -deck valve plate, the effect to check valve's secondary seal has been realized, the pressure of exhalant canal to the main board can have been alleviated with sealing inhalant canal and exhalant canal respectively to double -deck valve plate, make whole check valve's sealing performance strengthen greatly, be provided with the return flow line, return flow line cooperation extrusion push rod can be released the liquid of remaining in valve body inner chamber bottom to the exhalant canal, avoided liquid to remain in the valve body for a long time, cause the harm to the valve body.
Description
Technical field
This utility model is related to a kind of valve, the higher check-valves of specifically a kind of sealing.
Background technology
Check-valves refer to the automatic open and close flap by medium flowing itself, for preventing the valve of medium refluence, also known as
Non-return valve, check valve, reflux valve and counterbalance valve.Check-valves belong to a kind of automatic valve, and its Main Function is to prevent medium from falling
Stream, prevent pump and drive motor reversion, and vessel media from releasing.
Existing patent also has the improvement carried out to correlation, and such as number of patent application is：201521087837.0, patent application day
For：2015.12.24, the utility model patent of entitled " a kind of quiet damping check valve ", its technical scheme is：It is a kind of quiet
Damping check valve, including valve body, flap and valve gap, are provided with valve seat in the valve body, the valve clack cover is located on valve seat, the flap
Valve rod is equipped with, in the valve seat keeper is provided with, location hole is provided with the middle part of the keeper, the bottom insertion of the valve rod is fixed
In the hole of position, its top is stretched in valve gap, and the valve rod is arranged with spring, and one end of the spring contacts with the bottom surface of flap, and its is another
One end contacts with the bottom surface of valve gap, and the valve gap is tightened on valve body, and the top surface of the flap is curved, and the bottom surface of the flap sets
There is sealing gasket.
Although the check-valves of above-mentioned patent can realize the effect of quiet noise elimination, due to going it is to realize sealing by spring
, so in actual applications, the life-time service of spring can cause sealing effectiveness bad, and open and close all can make every time
Remaining portions liquid in body cavity is obtained, and the total class of liquid is more, longer-term persistence can be caused not all the time in valve inner to valve body
Good impact.
Utility model content
In order to overcome the above-mentioned problems in the prior art, a kind of more preferable check-valves of currently proposed sealing property.
To realize above-mentioned technical purpose, technical solutions of the utility model are as follows：
A kind of check-valves, it is characterised in that：Including valve body, the two ends of the valve body are provided with intake tunnel and water outlet is logical
Road, is provided with double-deck valve plate in the valve body, the double-deck valve plate includes the first plate and the second plate, one end of first plate and
One end of second plate be flexibly connected and be commonly connected to body cavity intake tunnel top, the other end of first plate sets
Put in intake tunnel bottom, and the other end of second plate is arranged on the bottom of exhalant canal；The body cavity bottom sets
Return flow line is equipped with, the return flow line connects with exhalant canal, one end of the return flow line is provided with pressure-ram, described
Pressure-ram top is provided with circle and cuts somebody's hair, and one end of the pressure-ram passes valve body.
The return flow line tilts upward setting, the overall linearly structure in the return flow line.
The return flow line is provided with level connection joint mouth with exhalant canal connectivity part, with baffle plate one at the level connection joint mouth
End connection, the baffle plate horizontally set.
The baffle plate covers level connection joint mouth, and baffle plate area more than the area of level connection joint mouth.
Handle is provided with the one end for the pressure-ram for passing valve body.
The bottom of the intake tunnel contacts part with the first plate and is provided with sealing joint strip, and the sealing joint strip laterally sets
Put, multiple bump structures are provided with the sealing joint strip, multiple concave inward structures are provided with corresponding first plate, it is described
Bump structure and concave inward structure match.
The bottom of the exhalant canal contacts part with the second plate and is provided with sealing joint strip, and the sealing joint strip laterally sets
Put, multiple bump structures are provided with the sealing joint strip, multiple concave inward structures are provided with corresponding second plate, it is described
Bump structure and concave inward structure match.
Buffer spring is additionally provided between first plate and the second plate, the quantity of the buffer spring is at least one.
The outside of second plate is provided with fan-shaped retention block.
The top of the valve body is provided with the accommodating chamber for raising up, and the space of the accommodating chamber is more than fan-shaped retention block
Volume.
The utility model has the advantage of：
1st, the Promethean structure for proposing double-deck valve plate of this utility model, realizes the effect of the secondary seal to check-valves
Really, intake tunnel and exhalant canal can be carried out sealing double-deck valve plate the pressure for alleviating exhalant canal to the first plate respectively
Power so that the sealing property of whole check-valves is greatly enhanced.It is provided with return flow line, return flow line coordinates the pressure-ram can be by
The liquid for remaining in body cavity bottom is pushed out to exhalant canal, it is to avoid liquid extended residual is caused in valve body to valve body
Infringement.
2nd, it is provided with the concavo-convex knot corresponding with respective contact site on the first plate of the present utility model and the second plate
Structure, the cooperation of so multiple concaveconvex structures can prevent the water that major part is passed through from gap.
3rd, baffle plate is provided with level connection joint mouth, when liquid is released from below, baffle plate is opened up, treats that liquid is pushed away completely
After going out, baffle plate is finally returned to initial position automatically in the presence of the pulling force of junction to whereabouts.
4th, one end of pressure-ram exposes to valve body, and being provided with handle is operated on it for the ease of operator.
5th, the buffer spring arranged between the first plate and the second plate can will remain certain between the first plate and the second plate
Pulling force so that the first plate and the second plate simultaneously toward the motion of identical direction, and due to the presence of spring tension, also can hinder
Keep off the reciprocal impact of water of adverse current.
6th, the setting of fan-shaped retention block can then block the outlet of exhalant canal, also function to prevent the effect of water outlet adverse current
Really.
Description of the drawings
Fig. 1 is this utility model structural representation.
In accompanying drawing：Valve body 1, intake tunnel 2, exhalant canal 3, double-deck valve plate 4, the first plate 5, the second plate 6, sealing joint strip 7,
Buffer spring 8, sector retention block 9, accommodating chamber 10, return flow line 11, pressure-ram 12, circle cuts somebody's hair 13, level connection joint mouth 14,
Baffle plate 15, handle 16.
Specific embodiment
Embodiment 1
A kind of check-valves include valve body 1, and the two ends of the valve body 1 are provided with intake tunnel 2 and exhalant canal 3, the valve
It is provided with double-deck valve plate 4 in body 1, the double-deck valve plate 4 includes the first plate 5 and the second plate 6, one end of first plate 5 and the
One end of two plates 6 be flexibly connected and be commonly connected to the inner chamber of valve body 1 intake tunnel 2 top, the other end of first plate 5
The bottom of intake tunnel 2 is arranged on, and the other end of second plate 6 is arranged on the bottom of exhalant canal 3；The inner chamber of the valve body 1
Bottom is provided with return flow line 11, and the return flow line 11 connects with exhalant canal 3, and one end of the return flow line 11 is provided with
Pressure-ram 12, the top of the pressure-ram 12 is provided with circle and cuts somebody's hair 13, and one end of the pressure-ram 12 passes valve body 1.
The Promethean structure for proposing double-deck valve plate 4 of this utility model, realizes the effect of the secondary seal to check-valves, double beat valve
Plate 4 intake tunnel 2 and exhalant canal 3 can be carried out sealing the pressure for alleviating 3 pairs of the first plates 5 of exhalant canal respectively, be made
The sealing property for obtaining whole check-valves is greatly enhanced.It is provided with return flow line 11, return flow line 11 coordinates the pressure-ram 12 can be with
The liquid for remaining in the intracavity bottom of valve body 1 is pushed out to into exhalant canal 3, it is to avoid liquid extended residual in valve body 1, to valve body
1 causes damage.
Embodiment 2
A kind of check-valves include valve body 1, and the two ends of the valve body 1 are provided with intake tunnel 2 and exhalant canal 3, the valve
It is provided with double-deck valve plate 4 in body 1, the double-deck valve plate 4 includes the first plate 5 and the second plate 6, one end of first plate 5 and the
One end of two plates 6 be flexibly connected and be commonly connected to the inner chamber of valve body 1 intake tunnel 2 top, the other end of first plate 5
The bottom of intake tunnel 2 is arranged on, and the other end of second plate 6 is arranged on the bottom of exhalant canal 3；The inner chamber of the valve body 1
Bottom is provided with return flow line 11, and the return flow line 11 connects with exhalant canal 3, and one end of the return flow line 11 is provided with
Pressure-ram 12, the top of the pressure-ram 12 is provided with circle and cuts somebody's hair 13, and one end of the pressure-ram 12 passes valve body 1.
Return flow line 11 tilts upward setting, the overall linearly structure in the return flow line 11.Return flow line 11 and water outlet
The connectivity part of passage 3 is provided with level connection joint mouth 14, is connected with the one end of baffle plate 15 at the level connection joint mouth 14, and the baffle plate 15 is horizontal
To setting.
Baffle plate 15 covers level connection joint mouth 14, and the area of baffle plate 15 more than the area of level connection joint mouth 14.Pass valve body 1
Handle 16 is provided with one end of pressure-ram 12.
The bottom of the intake tunnel 2 contacts part with the first plate 5 and is provided with sealing joint strip 7, and the sealing joint strip 7 is horizontal
Arrange, multiple bump structures be provided with the sealing joint strip 7, at corresponding first plate 5 multiple concave inward structures are provided with,
The bump structure and concave inward structure match.The bottom of the exhalant canal 3 contacts part with the second plate 6 and is provided with fluid sealant
Bar 7, the horizontally set of the sealing joint strip 7 is provided with multiple bump structures, corresponding second plate 6 on the sealing joint strip 7
Place is provided with multiple concave inward structures, and the bump structure and concave inward structure match.
Buffer spring 8 is additionally provided between first plate 5 and the second plate 6, the quantity of the buffer spring 8 is at least one.
The outside of the second plate 6 is provided with fan-shaped retention block 9.The top of valve body 1 is provided with the accommodating chamber 10 for raising up, the accommodating chamber
Volume of 10 space more than fan-shaped retention block 9.
The Promethean structure for proposing double-deck valve plate 4 of this utility model, realizes the effect of the secondary seal to check-valves
Really, double-deck valve plate 4 can alleviate 3 pairs of the first plates 5 of exhalant canal by respectively intake tunnel 2 and exhalant canal 3 being carried out into sealing
Pressure so that the sealing property of whole check-valves is greatly enhanced.Return flow line 11 is provided with, return flow line 11 coordinates extruding to push away
The liquid for remaining in the intracavity bottom of valve body 1 can be pushed out to exhalant canal 3 by bar 12, it is to avoid liquid extended residual is in valve body 1
It is interior, valve body 1 is caused damage.It is provided with the plate 6 of first plate of the present utility model 5 and second relative with respective contact site
The concaveconvex structure answered, the cooperation of so multiple concaveconvex structures can prevent the water that major part is passed through from gap.
Baffle plate 15 is provided with level connection joint mouth 14, when liquid is released from below, baffle plate 15 is opened up, and treats that liquid is complete
After full release, baffle plate 15 is finally returned to initial position automatically in the presence of the pulling force of junction to whereabouts.Pressure-ram 12
One end expose to valve body 1, and being provided with handle 16 is operated on it for the ease of operator.
The buffer spring 8 arranged between first plate 5 and the second plate 6 can will remain certain between first plate 5 and the second plate 6
Pulling force so that the first plate 5 and the second plate 6 can simultaneously toward the motion of identical direction, and due to the presence of spring tension,
The reciprocal impact of water of adverse current can be stopped.The setting of sector retention block 9 can then block the outlet of exhalant canal 3,
Also function to prevent the effect of water outlet adverse current.
Claims (10)
1. a kind of check-valves, it is characterised in that：Including valve body（1）, the valve body（1）Two ends be provided with intake tunnel（2）With
Exhalant canal（3）, the valve body（1）Inside it is provided with double-deck valve plate（4）, the double-deck valve plate（4）Including the first plate（5）With second
Plate（6）, first plate（5）One end and the second plate（6）One end be flexibly connected and be commonly connected to valve body（1）Inner chamber enters
Aquaporin（2）Top, first plate（5）The other end be arranged on intake tunnel（2）Bottom, and second plate（6）'s
The other end is arranged on exhalant canal（3）Bottom；The valve body（1）Intracavity bottom is provided with return flow line（11）, the backflow
Passage（11）With exhalant canal（3）Connection, the return flow line（11）One end be provided with pressure-ram（12）, the extruding pushes away
Bar（12）Top is provided with circle and cuts somebody's hair（13）, the pressure-ram（12）One end pass valve body（1）.
2. a kind of check-valves according to claim 1, it is characterised in that：The return flow line（11）Tilt upward setting,
The return flow line（11）Overall linearly structure.
3. a kind of check-valves according to claim 2, it is characterised in that：The return flow line（11）With exhalant canal（3）
Connectivity part is provided with level connection joint mouth（14）, the level connection joint mouth（14）Place and baffle plate（15）One end connects, the baffle plate
（15）Horizontally set.
4. a kind of check-valves according to claim 3, it is characterised in that：The baffle plate（15）Cover level connection joint mouth
（14）, and baffle plate（15）Area is more than level connection joint mouth（14）Area.
5. a kind of check-valves according to claim 4, it is characterised in that：Pass valve body（1）Pressure-ram（12）One
Handle is provided with end（16）.
6. a kind of check-valves according to claim 1-5 any one, it is characterised in that：The intake tunnel（2）Under
Portion and the first plate（5）Contact part is provided with sealing joint strip（7）, the sealing joint strip（7）Horizontally set, the sealing joint strip
（7）On be provided with multiple bump structures, corresponding first plate（5）Place is provided with multiple concave inward structures, the bump structure
Match with concave inward structure.
7. a kind of check-valves according to claim 6, it is characterised in that：The exhalant canal（3）Bottom and the second plate
（6）Contact part is provided with sealing joint strip（7）, the sealing joint strip（7）Horizontally set, the sealing joint strip（7）On be provided with
Multiple bump structures, corresponding second plate（6）Place is provided with multiple concave inward structures, the bump structure and concave inward structure phase
Matching.
8. a kind of check-valves according to claim 7, it is characterised in that：First plate（5）With the second plate（6）Between also
It is provided with buffer spring（8）, the buffer spring（8）Quantity be at least one.
9. a kind of check-valves according to claim 8, it is characterised in that：Second plate（6）Outside be provided with sector
Retention block（9）.
10. a kind of check-valves according to claim 9, it is characterised in that：The valve body（1）Top be provided with it is convex
The accommodating chamber for rising（10）, the accommodating chamber（10）Space more than fan-shaped retention block（9）Volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620645498.1U CN206130209U (en) | 2016-06-27 | 2016-06-27 | Check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620645498.1U CN206130209U (en) | 2016-06-27 | 2016-06-27 | Check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206130209U true CN206130209U (en) | 2017-04-26 |
Family
ID=58559746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620645498.1U Expired - Fee Related CN206130209U (en) | 2016-06-27 | 2016-06-27 | Check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206130209U (en) |
-
2016
- 2016-06-27 CN CN201620645498.1U patent/CN206130209U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20170426 Termination date: 20190627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |