CN108547981A - A kind of gravity-driven non-return valve - Google Patents
A kind of gravity-driven non-return valve Download PDFInfo
- Publication number
- CN108547981A CN108547981A CN201810652267.7A CN201810652267A CN108547981A CN 108547981 A CN108547981 A CN 108547981A CN 201810652267 A CN201810652267 A CN 201810652267A CN 108547981 A CN108547981 A CN 108547981A
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- CN
- China
- Prior art keywords
- spool
- valve body
- gravity
- support tube
- ribs
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- 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.)
- Pending
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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
- F16K15/06—Check valves with guided rigid valve members with guided stems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The present invention relates to a kind of gravity-driven non-return valves, non-return valve includes valve body, valve body is installed in the vertical direction with external pipe, the import of valve body is located at the top of the outlet of valve body, installation base is equipped in valve body, ribs are fixed on installation base, support tube is fixed in ribs, the axis of support tube is parallel with the axis of valve body, spool is slidably connected in support tube, the upper end of spool is fixed with upper end baffle ring, and the lower end of spool is fixed with lower end-stopping plate, when spool slides up to extreme position, lower end-stopping plate offsets with ribs.The present invention by installing valve body with external pipe in the vertical direction, the axis of support tube is parallel with the axis of valve body, spool is slidably connected in support tube, spool upward sliding in support tube, the internal diameter of support tube is more than the internal diameter of spool, not consuming fluid energy only leans on gravity to open spool, and simple in structure, reliable operation, compact-sized, cost and maintenance cost are low.
Description
Technical field
The present invention relates to pipeline valve fields, and in particular to a kind of gravity-driven non-return valve.
Background technology
Non-return valve flows and automatic shutter by medium itself, belongs to a kind of automatic valve, and main function is to prevent from being situated between
Matter flows backwards, prevents pump and drive motor reversion and vessel media from releasing.When fluid is flowed by prescribed direction, spool
It is automatically turned under fluid dynamic energy effect；It is automatically closed when fluid countercurrent current, blocks fluid channel.
In therrmodynamic system, the application of non-return valve is very extensive, the vacuum pump inlet such as being connect with condenser, extracted steam from turbine
Pipeline and other pipelines for not allowing reverse fluid flow are both needed to dress non-return valve.Existing non-return valve needs fluid dynamic energy to maintain
Open state, therefore increase system energy consumption；It often needs to arrange thermometric and pressure measuring unit, such as thermoelectricity in therrmodynamic system pipeline simultaneously
Even summation pressure sensor etc. increases the complexity of pipeline.
Invention content
The present invention provides a kind of gravity-driven non-return valves, solve the problems, such as techniques discussed above.
The scheme that the present invention solves above-mentioned technical problem is as follows：A kind of gravity-driven non-return valve, the non-return valve include
Valve body, the valve body are installed in the vertical direction with external pipe, and the import of the valve body is located at the outlet of the valve body
Top, installation base is equipped in the valve body, ribs is fixed on the installation base, branch is fixed in the ribs
Stay tube, the axis of the support tube is parallel with the axis of the valve body, and spool, the valve are slidably connected in the support tube
The upper end of core is fixed with upper end baffle ring, and the lower end of the spool is fixed with lower end-stopping plate, when the spool slides up to the limit
When position, the lower end-stopping plate offsets with the ribs.
The beneficial effects of the invention are as follows：The present invention provides a kind of gravity-driven non-return valve, by by the valve body with
External pipe is installed in the vertical direction, and the axis of the support tube is parallel with the axis of the valve body, the support
Spool, spool upward sliding in support tube are slidably connected in pipe, the internal diameter of support tube is more than the internal diameter of spool, does not consume stream
Physical efficiency amount only leans on gravity to open spool, and simple in structure, reliable operation, compact-sized, cost and maintenance cost are low.
Based on the above technical solution, the present invention can also be improved as follows.
Preferably, the axis of the support tube and the axis of the valve body coincide.
Advantageous effect using above-mentioned further scheme is：By being phase by the axis designs of the axis of support tube and valve body
It overlaps so that the overall structure of the non-return valve is more symmetrical, firm.
Preferably, the installation base is annular, and the lower end of the ribs is equipped with support base ring, and the support base ring is logical
It crosses threaded fastener to be fixedly installed on the installation base, the lower surface of the support base ring is equipped with annular concave platform, when described
When spool slides up to extreme position, the annular concave platform offsets with the lower end-stopping plate.
Advantageous effect using above-mentioned further scheme is：By being equipped with support base ring, energy in the lower end of the ribs
Enough make to connect between support base ring and installation base more tightly, leakproofness can be more good.
Preferably, sealing element is equipped between the support base ring and the installation base.
Preferably, the upper end baffle ring includes nut, and the nut thread is fixed on the upper end of the spool.
Preferably, the upper end baffle ring further includes split pin, and the split pin is pinned at the upper end of the spool, described to open
Mouth pin offsets with the nut.
Advantageous effect using above-mentioned further scheme is：By being equipped with split pin, Neng Goufang in the upper end of the nut
Only nut falls off from the upper end of spool.
Preferably, the both sides of the valve body are respectively equipped with thermocouple pedestal and pressure sensor base.
Advantageous effect using above-mentioned further scheme is：The non-return valve is integrated with thermocouple pedestal and pressure sensor bottom
Seat, reduces the complexity of pipeline, due to ratio of performance to price height, is conducive to promote the use.
Preferably, the angle α of the ribs center line and horizontal plane is within the scope of 0 ° -60 °, the quantity of the ribs
Between 2 and 6.
Preferably, the ratio between the valve body height and the valve body inlet internal diameter be between 0.8-1.2, the valve body height with
The ratio between spool height is between 1.2-2.
Preferably, between the spool and the support tube gap between 0.5-1mm.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
The specific implementation mode of the present invention is shown in detail by following embodiment and its attached drawing.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is a kind of internal structure schematic diagram for gravity-driven non-return valve that one embodiment of the invention provides.
In attached drawing, parts list represented by the reference numerals are as follows：
In figure, 1, valve body；2, pressure sensor base；3, threaded fastener；4, base ring is supported；5, ribs；6, it supports
Pipe；7, split pin；8, nut；9, spool；10 thermocouple pedestals；11, lower end-stopping plate；12, installation base.
Specific implementation mode
Principles and features of the present invention are described below in conjunction with attached drawing 1, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.The present invention is more specifically described by way of example with reference to attached drawing in the following passage.According to
Explanation and claims, advantages and features of the invention will become apparent from below.Simplify very much it should be noted that attached drawing is all made of
Form and use non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it can be 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
Can 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 of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the Listed Items of pass.
As shown in Figure 1, the present invention provides a kind of gravity-driven non-return valve, the non-return valve includes valve body 1, the valve
Body 1 is installed in the vertical direction with external pipe, and the import of the valve body 1 is located at the top of the outlet of the valve body 1, institute
It states and is equipped with installation base 12 in valve body 1, be fixed with ribs 5 on the installation base 12, support is fixed in the ribs 5
Pipe 6, the axis of the support tube 6 is parallel with the axis of the valve body 1, and spool 9, institute are slidably connected in the support tube 6
The upper end for stating spool 9 is fixed with upper end baffle ring, and the lower end of the spool 9 is fixed with lower end-stopping plate 11, when the spool 9 slides up
When moving extreme position, the lower end-stopping plate 11 offsets with the ribs 5.
A kind of gravity-driven non-return valve is provided in above-described embodiment, by erecting the valve body 1 and external pipe
Histogram is installed upwards, and the axis of the support tube 6 is parallel with the axis of the valve body 1, sliding company in the support tube 6
It is connected to spool 9, the upward sliding in support tube 6 of spool 9, the internal diameter of support tube 6 is more than the internal diameter of spool 9, does not consume fluid energy
Amount only leans on gravity to open spool 9, and simple in structure, reliable operation, compact-sized, cost and maintenance cost are low.
Preferably, the axis of the support tube 6 and the axis of the valve body 1 coincide.By by the axis of support tube 6 with
The axis designs of valve body 1 are to coincide so that the overall structure of the non-return valve is more symmetrical, firm.
Preferably, the installation base 12 is annular, and the lower end of the ribs 5 is equipped with support base ring 4, the support bottom
Ring 4 is fixedly installed in by threaded fastener 3 on the installation base 12, and the lower surface of the support base ring 4 is recessed equipped with annular
Platform, when the spool 9 slides up to extreme position, the annular concave platform offsets with the lower end-stopping plate.By described
The lower end of ribs 5 is equipped with support base ring 4, can make to connect more tight, leakproofness between support base ring 4 and installation base 12
It can be better.
Preferably, sealing element is equipped between the support base ring 4 and the installation base 12.
Preferably, the upper end baffle ring includes nut 8, and the nut 8 is screwed on the upper end of the spool 9.
Preferably, the upper end baffle ring further includes split pin 7, and the split pin 7 is pinned at the upper end of the spool 9, institute
Split pin 7 is stated to offset with the nut 8.By being equipped with split pin 7 in the upper end of the nut 8, nut 8 can be prevented from spool
9 upper end falls off.
Preferably, the both sides of the valve body 1 are respectively equipped with thermocouple pedestal 10 and pressure sensor base 2.The non-return valve
It is integrated with thermocouple pedestal 10 and pressure sensor base 9, reduces the complexity of pipeline, due to ratio of performance to price height, favorably
In promoting the use.
Preferably, the angle α of 5 center line of the ribs and horizontal plane is within the scope of 0 ° -60 °, the number of the ribs 5
Amount is between 2 and 6.
Preferably, between 0.8-1.2, the valve body 1 is high for the ratio between 1 height of the valve body and 1 inlet inside diameter of the valve body
The ratio between 9 height of degree and spool is between 1.2-2.
Preferably, between the spool 9 and the support tube 6 gap between 0.5-1mm.
The present invention concrete operating principle and application method be：
By the way that the non-return valve is vertically-mounted, spool 9 falls under the effect of gravity, and working fluid is from end entrance on valve body 1
Into, flow through support base ring 4, ribs 5, support tube 6 formed sector channel, the annular between spool 9 and valve body 10
Channel finally exports from the lower end of non-return valve and flows out；There is the installation base 12 of annular inside valve body 10, and be provided with hole, supports bottom
Ring 4 is connected by threaded fastener 3 with the annular installation base 12 inside valve body 1.The top of the spool 9 passes through support tube 6,
Upper end processes screw thread and punches, and after screwing on two nuts 8, split pin is passed through the hole on valve rod；The heat on valve body can be passed through
Galvanic couple pedestal 10 and pressure sensor base 2 carry out temperature and pressure measurement.
When the Fluid pressure in the exit of the valve body 1 is more than the Fluid pressure of the entrance of valve body 1, spool 9 is supporting
It is moved upwards in pipe 6, until lower end-stopping plate 11 offsets with support base ring 4, which is closed.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the present invention in any form；It is all
The those of ordinary skill of the industry can be shown in by specification attached drawing and described above and swimmingly implement the present invention；But it is all
Those skilled in the art without departing from the scope of the present invention, are done using disclosed above technology contents
The equivalent variations of a little variation, modification and evolution gone out are the equivalent embodiment of the present invention；Meanwhile it is all according to the present invention
Substantial technological still falls within the skill of the present invention to the variation, modification and evolution etc. of any equivalent variations made by above example
Within the protection domain of art scheme.
Claims (10)
1. a kind of gravity-driven non-return valve, which is characterized in that the non-return valve includes valve body (1), the valve body (1) and outside
Pipeline is installed in the vertical direction, and the import of the valve body (1) is located at the top of the outlet of the valve body (1), the valve
It is equipped with installation base (12) in body (1), ribs (5) are fixed on the installation base (12), are fixed on the ribs (5)
There is support tube (6), the axis of the support tube (6) is parallel with the axis of the valve body (1), sliding in the support tube (6)
It is connected with spool (9), the upper end of the spool (9) is fixed with upper end baffle ring, and the lower end of the spool (9) is fixed with lower end-stopping plate
(11), when the spool (9) slides up to extreme position, the lower end-stopping plate (11) offsets with the ribs (5).
2. a kind of gravity-driven non-return valve according to claim 1, which is characterized in that the axis of the support tube (6) with
The axis of the valve body (1) coincides.
3. a kind of gravity-driven non-return valve according to claim 1, which is characterized in that the installation base (12) is ring
The lower end of shape, the ribs (5) is equipped with support base ring (4), and the support base ring (4) is pacified by the way that threaded fastener (3) is fixed
Loaded on the installation base (12), the lower surface of the support base ring (4) is equipped with annular concave platform, when the spool (9) is upward
When sliding into extreme position, the annular concave platform offsets with the lower end-stopping plate.
4. a kind of gravity-driven non-return valve according to claim 1, which is characterized in that the support base ring (4) with it is described
Sealing element is equipped between installation base (12).
5. a kind of gravity-driven non-return valve according to claim 1, which is characterized in that the upper end baffle ring includes nut
(8), the nut (8) is screwed on the upper end of the spool (9).
6. a kind of gravity-driven non-return valve according to claim 5, which is characterized in that the upper end baffle ring further includes opening
It sells (7), the split pin (7) is pinned at the upper end of the spool (9), and the split pin (7) offsets with the nut (8).
7. a kind of gravity-driven non-return valve according to claim 1, which is characterized in that distinguish the both sides of the valve body (1)
Equipped with thermocouple pedestal (10) and pressure sensor base (2).
8. a kind of gravity-driven non-return valve according to claim 1, which is characterized in that ribs (5) center line with
The angle α of horizontal plane is within the scope of 0 ° -60 °, and the quantity of the ribs (5) is between 2 and 6.
9. a kind of gravity-driven non-return valve according to claim 1, it is characterised in that：The valve body (1) highly with it is described
The ratio between valve body (1) inlet inside diameter between 0.8-1.2, the valve body (1) highly with spool (9) height the ratio between 1.2-2.
10. according to a kind of any gravity-driven non-return valves of claim 1-9, it is characterised in that：The spool (9) and institute
Gap is between 0.5-1mm between stating support tube (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652267.7A CN108547981A (en) | 2018-06-22 | 2018-06-22 | A kind of gravity-driven non-return valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652267.7A CN108547981A (en) | 2018-06-22 | 2018-06-22 | A kind of gravity-driven non-return valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108547981A true CN108547981A (en) | 2018-09-18 |
Family
ID=63493974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810652267.7A Pending CN108547981A (en) | 2018-06-22 | 2018-06-22 | A kind of gravity-driven non-return valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108547981A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306336A (en) * | 2019-11-01 | 2020-06-19 | 苏州新长光热能科技有限公司 | Gravity valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184828Y (en) * | 1994-01-15 | 1994-12-07 | 李援 | Anti-overflow device for drainage pipe block |
| CN101171167A (en) * | 2005-06-14 | 2008-04-30 | Itw汽车产品有限两合公司 | A valve for automobile bodies |
| CN201502752U (en) * | 2009-10-12 | 2010-06-09 | 刘善华 | Check valve with cake style closing plate |
| CN201517646U (en) * | 2009-10-28 | 2010-06-30 | 韩宏波 | Centrifugal check valve |
| CN204004609U (en) * | 2014-08-12 | 2014-12-10 | 陈文风 | Gas meter movable joint waterproofing valve |
-
2018
- 2018-06-22 CN CN201810652267.7A patent/CN108547981A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184828Y (en) * | 1994-01-15 | 1994-12-07 | 李援 | Anti-overflow device for drainage pipe block |
| CN101171167A (en) * | 2005-06-14 | 2008-04-30 | Itw汽车产品有限两合公司 | A valve for automobile bodies |
| CN201502752U (en) * | 2009-10-12 | 2010-06-09 | 刘善华 | Check valve with cake style closing plate |
| CN201517646U (en) * | 2009-10-28 | 2010-06-30 | 韩宏波 | Centrifugal check valve |
| CN204004609U (en) * | 2014-08-12 | 2014-12-10 | 陈文风 | Gas meter movable joint waterproofing valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306336A (en) * | 2019-11-01 | 2020-06-19 | 苏州新长光热能科技有限公司 | Gravity valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180918 |