CN108061183A - A kind of check-valves that can be flowed back to prevent hydrops - Google Patents
A kind of check-valves that can be flowed back to prevent hydrops Download PDFInfo
- Publication number
- CN108061183A CN108061183A CN201711443106.9A CN201711443106A CN108061183A CN 108061183 A CN108061183 A CN 108061183A CN 201711443106 A CN201711443106 A CN 201711443106A CN 108061183 A CN108061183 A CN 108061183A
- Authority
- CN
- China
- Prior art keywords
- shell
- antileaking plate
- fixedly connected
- check
- valves
- 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.)
- Withdrawn
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0245—Construction of housing; Use of materials therefor of lift valves with ball-shaped valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The present invention relates to check-valves technical fields, and disclose a kind of check-valves that can be flowed back to prevent hydrops, including shell, the inside of the shell is fixedly connected with fixed block, the inside of the shell and bottom Antileaking plate is fixedly connected at the top of the fixed block, the inside of the shell and supporting rod is fixedly connected at the top of the Antileaking plate of bottom, the one end of supporting rod away from outer casing inner wall is fixedly connected with support tube, and the internal slide of support tube is connected with valve rod.The check-valves that can be flowed back to prevent hydrops, by setting supporting rod, support tube, valve rod, spool and card slot, it can prevent tail gas from flowing back, by setting top Antileaking plate and bottom Antileaking plate, hydrops can be made to flow to and connect at fluid apertures along the outer wall of top Antileaking plate and the outer wall of bottom Antileaking plate, effectively prevent hydrops from flowing back, finally by setting adapter, connector sleeve, adapting pipe and liquid storage bottle, hydrops can be made to flow in liquid storage bottle, so as to effectively prevent hydrops from flowing back.
Description
Technical field
The present invention relates to check-valves technical fields, are specially a kind of check-valves that can be flowed back to prevent hydrops.
Background technology
Check-valves refers to flow in itself by medium and automatic open and close flap, 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, main function be prevent medium from flowing backwards,
Prevent pump and drive motor reversion and vessel media from releasing.
Hydrops reflux can be generated when existing check-valves uses in rectifying device currently on the market, such as in tail-gas pipe
The not high material condensing reflux of purity forms hydrops at spool, when spool is blown afloat, hydrops can be caused to pass through check-valves
Be back in rectifying device, thus propose it is a kind of can to prevent hydrops flow back check-valves it is mentioned above to solve the problems, such as.
The content of the invention
（One）The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of check-valves that can be flowed back to prevent hydrops, possessing can be to prevent hydrops
The advantages that reflux, solves the problems, such as that existing check-valves can generate hydrops reflux when being used in rectifying device.
（Two）Technical solution
To realize the above-mentioned purpose that can be flowed back to prevent hydrops, the present invention provides following technical solution：One kind can flow back to prevent hydrops
Check-valves, including shell, the inside of the shell is fixedly connected with fixed block, the inside of the shell and positioned at fixed block
Top is fixedly connected with bottom Antileaking plate, the inside of the shell and is fixedly connected with support at the top of the Antileaking plate of bottom
Bar, the one end of supporting rod away from outer casing inner wall are fixedly connected with support tube, and the internal slide of support tube is connected with valve rod, valve rod
Top is fixedly connected with top Antileaking plate, and the bottom of valve rod from top to bottom sequentially passes through the inside of support tube and bottom Antileaking plate
Inside simultaneously extends to the bottom of bottom Antileaking plate, and the bottom of valve rod is fixedly connected with spool, the top of the fixed block and correspondence
Card slot is offered at support tube, the bottom of spool and the inside of card slot are clamped, and are opened at the bottom of the fixed block and corresponding card slot
Equipped with the venthole communicated with card slot, the top and bottom of the shell offer annular groove, and the inside of two annular grooves is equal
Leak-proof gasket is connected with, is offered at the left side outer wall of the shell and the bottom of corresponding bottom Antileaking plate and connects fluid apertures, connect fluid apertures
Inside be fixedly connected with adapter, the one end of adapter away from shell is fixedly connected with ring packing block, and adapter is away from outer
One end of shell is connected with connector sleeve by ring packing block, and the inside of the connector sleeve corresponds to offers annular at ring packing block
Seal groove, and the inside of annular seal groove is clamped with ring packing block, the bottom of the connector sleeve offers thread groove, thread groove
Groove top wall be fixedly connected with seal washer, the internal whorl of the thread groove is connected with adapting pipe, the top of adapting pipe with it is close
The bottom contact of seal washer, the one end of the adapter away from shell is through the inside of seal washer and extends in adapting pipe
Portion, the one end of the adapting pipe away from connector sleeve are fixedly connected with liquid storage bottle.
Preferably, the top of the shell offers screw thread with bottom.
Preferably, the top Antileaking plate and bottom Antileaking plate are in funnel-form, and the area of top Antileaking plate cross section
From top to bottom gradually increase, the bottom outer diameter of top Antileaking plate are more than bottom Antileaking plate with the area of bottom Antileaking plate cross section
Top outer diameter.
Preferably, the spool is spherical in shape, and card slot is hemispherical, and the radius of spool is equal to the radius of card slot.
Preferably, the liquid storage bottle is spherical in shape.
Preferably, the number of the supporting rod is four, and four supporting rods are evenly distributed on the inner wall of shell.
（Three）Advantageous effect
Compared with prior art, the present invention provides a kind of check-valves that can be flowed back to prevent hydrops, possesses following advantageous effect：
The check-valves that can be flowed back to prevent hydrops, by setting supporting rod, support tube, valve rod, spool and card slot, can prevent tail
Gas flows back, and hydrops and exhaust gas is effectively prevented to be directly entered the inside of rectifying device, then by setting top Antileaking plate and bottom
Portion's Antileaking plate can make hydrops flow to and connect at fluid apertures along the outer wall of top Antileaking plate and the outer wall of bottom Antileaking plate, effectively
It prevents hydrops from flowing back, finally by adapter, connector sleeve, adapting pipe and liquid storage bottle is set, hydrops can be made to flow in liquid storage bottle,
So as to effectively prevent hydrops from flowing back.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the enlarged diagram of A of the present invention.
In figure：1 shell, 2 fixed blocks, 3 bottom Antileaking plates, 4 supporting rods, 5 support tubes, 6 valve rods, 7 top Antileaking plates, 8 valves
Core, 9 card slots, 10 ventholes, 11 annular grooves, 12 leak-proof gaskets, 13 connect fluid apertures, 14 adapters, 15 ring packing blocks, 16 connections
Set, 17 thread grooves, 18 seal washers, 19 adapting pipes, 20 annular seal grooves, 21 liquid storage bottles.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
- 2 are please referred to Fig.1, a kind of check-valves that can be flowed back to prevent hydrops, including shell 1, the top and bottom of shell 1 are equal
Screw thread is offered, the inside of shell 1 is fixedly connected with fixed block 2, the inside of shell 1 and the top fixation company for being located at fixed block 2
It is connected to bottom Antileaking plate 3, the inside of shell 1 and is fixedly connected with supporting rod 4 positioned at the top of bottom Antileaking plate 3, supporting rod 4
Number is four, and four supporting rods 4 are evenly distributed on the inner wall of shell 1, and the one end of supporting rod 4 away from 1 inner wall of shell is fixed
Support tube 5 is connected with, the internal slide of support tube 5 is connected with valve rod 6, and the top of valve rod 6 is fixedly connected with top Antileaking plate 7,
Top Antileaking plate 7 is with bottom Antileaking plate 3 in funnel-form, and the area of 7 cross section of top Antileaking plate and bottom Antileaking plate 3 are transversal
From top to bottom gradually increase, the bottom outer diameter of top Antileaking plate 7 are more than the top outer diameter of bottom Antileaking plate 3, valve to the area in face
The bottom of bar 6 from top to bottom sequentially passes through the inside of support tube 5 and the inside of bottom Antileaking plate 3 and extends to bottom Antileaking plate 3
Bottom, the bottom of valve rod 6 is fixedly connected with spool 8, card slot 9, valve is offered at the top of fixed block 2 and corresponding support tube 5
The bottom of core 8 is clamped with the inside of card slot 9, and spool 8 is spherical in shape, and card slot 9 is hemispherical, and the radius of spool 8 is equal to card slot 9
Radius by setting supporting rod 4, support tube 5, valve rod 6, spool 8 and card slot 9, can prevent tail gas from flowing back, effectively prevent from accumulating
Liquid and exhaust gas are directly entered the inside of rectifying device, offer what is communicated with card slot 9 at the bottom of fixed block 2 and corresponding card slot 9
Venthole 10, the top and bottom of shell 1 offer annular groove 11, and the inside of two annular grooves 11 is connected with leak-proof gasket
12, it offers at the left side outer wall of shell 1 and the bottom of corresponding bottom Antileaking plate 3 and connects fluid apertures 13, pass through and top Antileaking plate 7 is set
With bottom Antileaking plate 3, hydrops can be made to flow to along the outer wall of top Antileaking plate 7 and the outer wall of bottom Antileaking plate 3 and connect fluid apertures 13
Place, effectively prevents hydrops from flowing back, and the inside for connecing fluid apertures 13 is fixedly connected with adapter 14, adapter 14 away from shell 1 one
End is fixedly connected with ring packing block 15, and the one end of adapter 14 away from shell 1 is connected with connector sleeve by ring packing block 15
16, the inside of connector sleeve 16 corresponds to and annular seal groove 20 is offered at ring packing block 15, and the inside of annular seal groove 20 with
Ring packing block 15 is clamped, and the bottom of connector sleeve 16 offers thread groove 17, and the groove top wall of thread groove 17 is fixedly connected with sealing
Washer 18, the internal whorl of thread groove 17 are connected with adapting pipe 19, and the top of adapting pipe 19 is contacted with the bottom of seal washer 18,
The one end of adapter 14 away from shell 1 is through the inside of seal washer 18 and extends to the inside of adapting pipe 19, and adapting pipe 19 is remote
It is spherical in shape that one end from connector sleeve 16 is fixedly connected with 21 liquid storage bottle 21 of liquid storage bottle, by setting adapter 14, connector sleeve 16, holding
Take over 19 and liquid storage bottle 21, can be such that hydrops flows in liquid storage bottle 21, so as to effectively prevent hydrops from flowing back.
When in use, user is threadedly coupled the bottom of non-return valve shell 1 with rectifying device, the top of non-return valve shell 1
Portion is threadedly coupled with offgas duct, and when rectifying device does not work, spool 8 is clamped under gravity with card slot 9, prevents tail gas
Suck-back enters rectifying device, and when rectifying device distills, steam makes the pressure inside equipment be more than the air pressure at the top of spool 8, valve
Core 8 makes spool 8 depart from card slot 9 because pressure differential moves upwards, spool 8 with ovable valve stem 6 support tube 5 inside upward sliding,
The impurity that steam and steam are mingled with into the inside of check-valves, subsequently enters offgas duct by venthole 10, after steam condensation with
Its impurity being mingled with forms hydrops, and hydrops can flow to the junction of bottom Antileaking plate 3 and shell 1, the hydrops of drippage along tube wall
The outer wall of top Antileaking plate 7 can be fallen on and be slipped to the outer wall of bottom Antileaking plate 3, be then slipped to bottom Antileaking plate 3 and shell 1
Junction, hydrops entered inside adapter 14, and hydrops enters the inside for connecing liquid bottle 21 by adapter 14, so as to effectively
Prevent hydrops from flowing back.
In conclusion the check-valves that can be flowed back to prevent hydrops, by setting supporting rod 4, support tube 5, valve rod 6, spool 8
It with card slot 9, can prevent tail gas from flowing back, hydrops and exhaust gas is effectively prevented to be directly entered the inside of rectifying device, is then passed through
Top Antileaking plate 7 and bottom Antileaking plate 3 is set, can make hydrops along top Antileaking plate 7 outer wall and bottom Antileaking plate 3 it is outer
Wall, which flows to, to be connect at fluid apertures 13, effectively prevents hydrops from flowing back, finally by setting adapter 14, connector sleeve 16,19 and of adapting pipe
Liquid storage bottle 21 can be such that hydrops flows in liquid storage bottle 21, so as to effectively prevent hydrops from flowing back.
It should be noted that term " comprising ", "comprising" or its any other variant are intended to the bag of nonexcludability
Contain so that process, method, article or equipment including a series of elements not only include those elements, but also including
It other elements that are not explicitly listed or further includes as elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, also there are other identical elements in article or equipment.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of check-valves that can be flowed back to prevent hydrops, including shell（1）, it is characterised in that：The shell（1）Inside fix
It is connected with fixed block（2）, the shell（1）Inside and positioned at fixed block（2）Top be fixedly connected with bottom Antileaking plate
（3）, the shell（1）Inside and positioned at bottom Antileaking plate（3）Top be fixedly connected with supporting rod（4）, supporting rod（4）Far
From shell（1）One end of inner wall is fixedly connected with support tube（5）, support tube（5）Internal slide be connected with valve rod（6）, valve rod
（6）Top be fixedly connected with top Antileaking plate（7）, valve rod（6）Bottom from top to bottom sequentially pass through support tube（5）Inside
With bottom Antileaking plate（3）Inside and extend to bottom Antileaking plate（3）Bottom, valve rod（6）Bottom be fixedly connected with spool
（8）, the fixed block（2）Top and corresponding support tube（5）Place offers card slot（9）, spool（8）Bottom and card slot（9）
Inside clamping, the fixed block（2）Bottom and corresponding card slot（9）Place offers and card slot（9）The venthole communicated（10）,
The shell（1）Top and bottom offer annular groove（11）, two annular grooves（11）Inside be connected with leakage proof gasket
Circle（12）, the shell（1）Left side outer wall and corresponding bottom Antileaking plate（3）Bottom at offer and connect fluid apertures（13）, connect liquid
Hole（13）Inside be fixedly connected with adapter（14）, adapter（14）Away from shell（1）One end be fixedly connected with annular it is close
Seal block（15）, adapter（14）Away from shell（1）One end pass through ring packing block（15）It is connected with connector sleeve（16）, the company
Female connector（16）Inside correspond to ring packing block（15）Place offers annular seal groove（20）, and annular seal groove（20）Inside
With ring packing block（15）Clamping, the connector sleeve（16）Bottom offer thread groove（17）, thread groove（17）Groove top wall
It is fixedly connected with seal washer（18）, the thread groove（17）Internal whorl be connected with adapting pipe（19）, adapting pipe（19）'s
Top and seal washer（18）Bottom contact, the adapter（14）Away from shell（1）One end pass through seal washer（18）
Inside and extend to adapting pipe（19）Inside, the adapting pipe（19）Away from connector sleeve（16）One end be fixedly connected with storage
Liquid bottle（21）.
2. a kind of check-valves that can be flowed back to prevent hydrops according to claim 1, it is characterised in that：The shell（1）'s
Top offers screw thread with bottom.
3. a kind of check-valves that can be flowed back to prevent hydrops according to claim 1, it is characterised in that：The top Antileaking plate
（7）With bottom Antileaking plate（3）In funnel-form, and top Antileaking plate（7）The area of cross section and bottom Antileaking plate（3）Cross section
Area from top to bottom gradually increase, top Antileaking plate（7）Bottom outer diameter be more than bottom Antileaking plate（3）Top outer diameter.
4. a kind of check-valves that can be flowed back to prevent hydrops according to claim 1, it is characterised in that：The spool（8）It is in
Spherical shape, card slot（9）It is hemispherical, and spool（8）Radius be equal to card slot（9）Radius.
5. a kind of check-valves that can be flowed back to prevent hydrops according to claim 1, it is characterised in that：The liquid storage bottle（21）
It is spherical in shape.
6. a kind of check-valves that can be flowed back to prevent hydrops according to claim 1, it is characterised in that：The supporting rod（4）
Number for four, and four supporting rods（4）It is evenly distributed on shell（1）Inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443106.9A CN108061183A (en) | 2017-12-27 | 2017-12-27 | A kind of check-valves that can be flowed back to prevent hydrops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443106.9A CN108061183A (en) | 2017-12-27 | 2017-12-27 | A kind of check-valves that can be flowed back to prevent hydrops |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108061183A true CN108061183A (en) | 2018-05-22 |
Family
ID=62140364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711443106.9A Withdrawn CN108061183A (en) | 2017-12-27 | 2017-12-27 | A kind of check-valves that can be flowed back to prevent hydrops |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108061183A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021028687A1 (en) * | 2019-08-13 | 2021-02-18 | Edwards Limited | Non-return check valve for vacuum system |
-
2017
- 2017-12-27 CN CN201711443106.9A patent/CN108061183A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021028687A1 (en) * | 2019-08-13 | 2021-02-18 | Edwards Limited | Non-return check valve for vacuum system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180522 |
|
| WW01 | Invention patent application withdrawn after publication |