CN109357034A - A kind of control water non-return valve - Google Patents
A kind of control water non-return valve Download PDFInfo
- Publication number
- CN109357034A CN109357034A CN201811529035.9A CN201811529035A CN109357034A CN 109357034 A CN109357034 A CN 109357034A CN 201811529035 A CN201811529035 A CN 201811529035A CN 109357034 A CN109357034 A CN 109357034A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- sphere
- valve seat
- seat
- 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.)
- Pending
Links
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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
-
- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
A kind of control water non-return valve, belongs to valve technology field.The present invention causes valve seal effect poor using friction for a long time in order to solve valve body with valve seat, the short problem of service life.The present invention includes valve body, valve rod, sphere and connecting tube, sphere is provided in body cavity, the valve rod with sphere linkage is additionally provided in valve body, the valve rod is mounted in valve body by bearing and is stretched out above valve body, the sphere is provided with the first valve seat on the right side of the axial direction of valve body, first valve seat acts against on body cavity side wall, the connecting tube is coupled using thread connecting mode with valve body, connecting tube has a built-in groove, inside grooves are equipped with ripple spring and the second valve seat, first valve seat and the second valve seat and sphere forms sealing pair.The present invention is applied in water regulator, for controlling the valve of water flow one-way flow.
Description
Technical field
The present invention relates to a kind of ball valves, belong to valve technology field.
Background technique
Ball valve is due to having the characteristics that small in size, structure is simple, easy to maintenance and sealing surface of seat and ball seal face are normal
In contact condition, it is not easy by medium erosion, long service life is used widely in every profession and trade.
Due to rubbing for a long time at sealing surface between the sphere and valve seat of current existing Fixed ball valve, abrasion, shadow are generated
Ring its sealing performance.
Summary of the invention
The purpose of the present invention is to solve valve bodies to cause valve seal effect poor using friction for a long time with valve seat, uses
Service life short problem, and then a kind of control water non-return valve is provided.
Technical solution of the present invention:
A kind of control water non-return valve includes valve body, valve rod, sphere and connecting tube, and sphere, valve body are provided in body cavity
It is inside additionally provided with the valve rod with sphere linkage, the valve rod is mounted in valve body and stretches out above valve body, valve rod and valve body
Between be coupled using sliding type, the sphere is provided with the first valve seat, the first valve seat top on the right side of the axial direction of valve body
It leans against on body cavity side wall, the connecting tube is coupled using thread connecting mode with valve body, and connecting tube has one
Built-in groove, inside grooves are equipped with ripple spring and the second valve seat, and first valve seat and the second valve seat are formed with sphere
Sealing pair.
Further, the installation place of the valve rod and valve body is provided with sealing ring, and the quantity of the sealing ring is 3
It is a.
Further, drain hole at one is provided on the ontology of the valve body, the upper of sealing ring is arranged in drain hole
Side.
Further, first valve seat and the second valve seat include rubber ring and polymeric seal pad, described
Rubber ring wraps up polymeric seal pad, and polymeric seal pad has an inner arc connected in star, the appearance of inner arc connected in star and sphere
Face cooperation.
Further, the inner ring of the polymeric seal pad has a words, the words packet of polymeric seal pad
It is rolled in the inner peripheral surface of polymeric seal pad.
The invention has the following advantages:
1, alternative of the present invention has used valve seat of the combination of teflin ring and rubber ring as sphere, by it
The rigid connection relationship of sealing ring and sphere only with original polythene material, is changed to using teflin ring
With being flexible coupling for rubber ring combination, and then improve the service life of sphere and valve seat, by experiments have shown that its service life from
It is increased to 1,000,000,000 times for 30000000 times；
2, present invention uses ripple springs and the second valve seat to be fitted in connecting tube, in this way in low pressure fluvial processes
In, ripple spring, which can effectively play, bounces the second valve seat, so that valve seat is even closer with ball seal, prevents low pressure from leaking
Water and leak of expanding with heat and contract with cold；
3, the present invention is machined with drain hole at one on the ontology of valve body, and control water non-return valve is generally used for water regulator
In, but when control water one-way valve leaks, it is easy to cause water regulator internal wiring by connection short circuit, scaling loss control
Hydrophone, and the drain hole being equipped on the valve body of control water one-way valve, when check valve leakage, the water of leakage is discharged from drain hole,
It is arranged on the branch pipe(tube) of valve body ontology due to this drain hole, valve body branch pipe does not reside inside Water controller shell, is occurring
When leak, moisture will not enter inside Water controller shell, ensure that the safety inside water regulator with this；
4, three sealing rings have been used on the valve rod of water regulator, improve leakproofness that valve rod is connect with valve body and concentric
Property.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the cross-sectional view of connecting tube；
Fig. 3 is the cross-sectional view of ripple spring；
Fig. 4 is the topology view of the first valve seat and the second valve seat；
1- valve body in figure, 2- valve rod, 3- sphere, 4- connecting tube, the first valve seat of 5-, 6- groove, 7- ripple spring, 8- second
Valve seat, 9- sealing ring, 10- drain hole, 11- rubber ring, 12- polymeric seal pad, 13- words.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by shown in the accompanying drawings specific
Embodiment describes the present invention.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit model of the invention
It encloses.In addition, in the following description, descriptions of well-known structures and technologies are omitted, it is of the invention to avoid unnecessarily obscuring
Concept.
Specific embodiment 1: illustrating present embodiment, a kind of control water non-return valve of present embodiment in conjunction with Fig. 1-Fig. 4
Including valve body 1, valve rod 2, sphere 3 and connecting tube 4, it is provided with sphere 3 in 1 inner cavity of valve body, is additionally provided in valve body 1 and sphere 3
The valve rod 2 of linkage, the valve rod 2 is mounted in valve body 1 and stretches out above valve body 1, using cunning between valve rod 2 and valve body 1
Flowing mode is coupled, and valve rod 2 is mounted in valve body 1 by bearing and is stretched out above valve body 1, and the sphere 3 is in valve body 1
Axial right side be provided with the first valve seat 5, the first valve seat 5 acts against on 1 intracavity sidewall of valve body, and the connecting tube 4 uses spiral shell
Line connection type is coupled with valve body 1, and connecting tube 4 has a built-in groove 6, is equipped with 7 He of ripple spring inside groove 6
Second valve seat 8, first valve seat 5 and the second valve seat 8 form sealing pair with sphere 3.So set, sphere 3 has one
Limbers, pulls valve rod 2, and valve rod 2 can be realized in 3 connection of sphere, the limbers of sphere 3 with the inflow and outflow hole of valve body 1
Connection and closing.
Specific embodiment 2: illustrating present embodiment, a kind of control water single-direction balls of present embodiment in conjunction with Fig. 1-Fig. 4
The installation place of valve, the valve rod 2 and valve body 1 is provided with sealing ring 9, and the quantity of the sealing ring 9 is 3.So set,
Sealing ring 9 can cavity inside sealed valve body 1, prevent flowing water from leaking into the installation cavity room of valve rod 2, while sealing ring
The installation proper alignment of valve rod and valve body 1 is improved, the service life that valve rod 2 and valve body 1 cooperate is improved.
Specific embodiment 3: illustrating present embodiment, a kind of control water single-direction balls of present embodiment in conjunction with Fig. 1-Fig. 4
Valve is provided with drain hole 10 at one on the ontology of the valve body 1, and the top of sealing ring 9 is arranged in drain hole 10.So set
It sets, control water non-return valve is generally used in water regulator, but when control water one-way valve leaks, it is easy to cause to control
Hydrophone internal wiring is short-circuit by connection, scaling loss water regulator, and the drain hole being equipped on the valve body of control water one-way valve, when unidirectional
When valve leaks, the water of leakage is discharged from drain hole, is arranged on the branch pipe(tube) of valve body ontology due to this drain hole, valve body branch pipe
It does not reside inside Water controller shell, when leak occurs, moisture will not enter inside Water controller shell, ensure that control water with this
Safety inside device.
Specific embodiment 4: illustrating present embodiment, a kind of control water single-direction balls of present embodiment in conjunction with Fig. 1-Fig. 4
Valve, first valve seat 5 and the second valve seat 8 include rubber ring 11 and polymeric seal pad 12, and the rubber ring 11 wraps
Polymeric seal pad 12 is wrapped up in, polymeric seal pad 12 has an inner arc connected in star, and inner arc connected in star and the outer surface of sphere 3 are matched
It closes.So set, the cooperation of the polymeric seal pad of existing use and sphere 3 belongs to rigid connection, when this rigid connection is long
Between under use, polymeric seal pad can generate a degree of abrasion, and the sealing effect of polymeric seal pad and sphere is bright at this time
Aobvious decline eventually leads to check valve leak, and rubber ring 11 wraps up the cooperation of valve seat and sphere 3 that polymeric seal pad 12 is constituted
Belong to the mode that is flexible coupling, improve the service life of non-return valve, prevents use process drainage.
Specific embodiment 5: illustrating present embodiment, a kind of control water single-direction balls of present embodiment in conjunction with Fig. 1-Fig. 4
The inner ring of valve, the polymeric seal pad 12 has a words 13, and the words 13 of polymeric seal pad 12 are wrapped in poly- second
The inner peripheral surface of alkene gasket 12.So set, words 13 improve the wear-resisting property of entire polymeric seal pad 12.
This embodiment is just an exemplary description of this patent, does not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (5)
1. a kind of control water non-return valve, it is characterised in that: including valve body (1), valve rod (2), sphere (3) and connecting tube (4), valve body
(1) it is provided in inner cavity sphere (3), the valve rod (2) with sphere (3) linkage, the valve rod (2) is additionally provided in valve body (1)
It is mounted in valve body (1) and is stretched out above valve body (1), is coupled between valve rod (2) and valve body (1) using sliding type,
The sphere (3) is provided with the first valve seat (5) on the axial right side of valve body (1), and the first valve seat (5) acts against in valve body (1)
On chamber side wall, the connecting tube (4) is coupled using thread connecting mode with valve body (1), and connecting tube (4) has in one
It sets groove (6), ripple spring (7) and the second valve seat (8), first valve seat (5) and the second valve is installed inside groove (6)
Seat (8) and sphere (3) form sealing pair.
2. a kind of control water non-return valve according to claim 1, it is characterised in that: the valve rod (2) and valve body (1)
Installation place is provided with sealing ring (9), and the quantity of the sealing ring (9) is 3.
3. a kind of control water non-return valve according to claim 1, it is characterised in that: set on the ontology of the valve body (1)
It is equipped with drain hole at one (10), drain hole (10) is arranged in the top of sealing ring (9).
4. a kind of control water non-return valve according to claim 1, it is characterised in that: first valve seat (5) and second
Valve seat (8) includes rubber ring (11) and polymeric seal pad (12), and the rubber ring (11) wraps up polymeric seal pad
(12), polymeric seal pad (12) has an inner arc connected in star, the outer surface cooperation of inner arc connected in star and sphere (3).
5. a kind of control water non-return valve according to claim 4, it is characterised in that: the polymeric seal pad (12)
Inner ring has a words (13), and the words (13) of polymeric seal pad (12) are wrapped in the inner ring table of polymeric seal pad (12)
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811529035.9A CN109357034A (en) | 2018-12-13 | 2018-12-13 | A kind of control water non-return valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811529035.9A CN109357034A (en) | 2018-12-13 | 2018-12-13 | A kind of control water non-return valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109357034A true CN109357034A (en) | 2019-02-19 |
Family
ID=65329623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811529035.9A Pending CN109357034A (en) | 2018-12-13 | 2018-12-13 | A kind of control water non-return valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109357034A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5419532A (en) * | 1993-07-19 | 1995-05-30 | Pbv-Usa, Inc. | Valve seal |
| CN102257303A (en) * | 2009-02-07 | 2011-11-23 | 维克托里克公司 | Valve having high pressure and low pressure seals |
| CN203421209U (en) * | 2013-08-02 | 2014-02-05 | 李建国 | Automatically-controlled special ball valve |
| CN105003684A (en) * | 2015-08-10 | 2015-10-28 | 成都保瑞特钻头有限公司 | Novel kelly bar plug valve having stable sealing performance |
| CN209213061U (en) * | 2018-12-13 | 2019-08-06 | 哈尔滨新中新电子股份有限公司 | A kind of control water non-return valve |
-
2018
- 2018-12-13 CN CN201811529035.9A patent/CN109357034A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5419532A (en) * | 1993-07-19 | 1995-05-30 | Pbv-Usa, Inc. | Valve seal |
| CN102257303A (en) * | 2009-02-07 | 2011-11-23 | 维克托里克公司 | Valve having high pressure and low pressure seals |
| CN203421209U (en) * | 2013-08-02 | 2014-02-05 | 李建国 | Automatically-controlled special ball valve |
| CN105003684A (en) * | 2015-08-10 | 2015-10-28 | 成都保瑞特钻头有限公司 | Novel kelly bar plug valve having stable sealing performance |
| CN209213061U (en) * | 2018-12-13 | 2019-08-06 | 哈尔滨新中新电子股份有限公司 | A kind of control water non-return valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205841844U (en) | A kind of manual flanged ball valve | |
| CN209213061U (en) | A kind of control water non-return valve | |
| WO2022078135A1 (en) | Check valve for low pressure operating conditions | |
| CN109357034A (en) | A kind of control water non-return valve | |
| CN210165199U (en) | Natural gas valve with gas leakage protection | |
| CN205937951U (en) | Two isolation fixed ball valve under water of releasing | |
| CN105179714A (en) | Triple eccentric bidirectional hard sealing butterfly valve | |
| CN201228774Y (en) | Structure improved stop valve | |
| CN210014121U (en) | Pipeline connecting structure of laundry machine | |
| CN208311563U (en) | A kind of check valve seal assembly peculiar to vessel | |
| CN210461811U (en) | Adjustable self-pressure-relief silencing check valve | |
| CN211449730U (en) | Ball valve with self-checking function | |
| CN2427706Y (en) | Self-sealing device for pipe joint | |
| CN108468859A (en) | A kind of anti-leakage self sealing valve | |
| CN220118689U (en) | Fluoroplastic ball valve capable of preventing low-pressure sealing leakage | |
| CN205136688U (en) | Low resistance backflow preventer | |
| CN208442579U (en) | A kind of liquid level limit valve arrangement of cylinder for liquefied gas | |
| CN208816827U (en) | A kind of anti-leakage self sealing valve | |
| CN218992466U (en) | Double-sealing check valve | |
| CN220354553U (en) | Low resistance backflow preventer | |
| CN210266150U (en) | Pressure-resistant buffer cushion for one-way valve | |
| CN220268520U (en) | Check valve | |
| CN218992437U (en) | Bidirectional sealing device of pneumatic circulating valve | |
| CN211779185U (en) | One-way throttle valve joint for mechanical seal washing water for pump | |
| CN210196562U (en) | Micro-resistance slow-closing type check valve |
Legal Events
| 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 |