CN104594454A - Negative pressure eliminator - Google Patents
Negative pressure eliminator Download PDFInfo
- Publication number
- CN104594454A CN104594454A CN201510048985.XA CN201510048985A CN104594454A CN 104594454 A CN104594454 A CN 104594454A CN 201510048985 A CN201510048985 A CN 201510048985A CN 104594454 A CN104594454 A CN 104594454A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- ball float
- negative pressure
- spool
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/02—Arrangements or adaptations of tanks for water supply for domestic or like local water supply
- E03B11/06—Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
- E03B11/08—Air regulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Float Valves (AREA)
Abstract
The invention discloses a negative pressure eliminator. The negative pressure eliminator is characterized by comprising a valve seat, a valve housing, a valve core, a valve body, a tension spring, a floating ball, a connecting rod, a ventilation pipe and a valve cover, wherein the valve seat is fixed at the top end of a water accumulating chamber; the valve cover is fixed at the upper end of the valve seat; the ventilation pipe is arranged at the lower end of the valve seat; the floating ball is arranged below the valve seat; the valve body is arranged on the valve seat; the valve body is positioned in the valve housing; the ventilation pipe is communicated with the valve cover; the valve core and the tension spring are arranged in the valve body; the valve cover is arranged at the top end of the valve body; the center of the lower end of the valve body is provided with a ventilation opening; the valve core is in sliding connection with the valve body; the side wall of the valve core is provided with a side hole; the center of the lower end of the valve core passes through the ventilation opening formed in the lower end of the valve body through the connecting rod, and is fixedly connected with the floating ball; the upper end ae of the valve core is provided with a sealing surface; the tension spring is arranged on the connecting rod in a sleeving way; the lower end of the tension spring is pressed against the valve body; the upper end of the tension spring is pressed against the valve core, and the center of the valve cover is provided with a through hole; the lower end face of the tension spring is provided with a sealing port. The negative pressure eliminator has the advantages of novel structure, elimination of negative pressure, sensitive reaction, reliability in running, convenience in installation, long service life and the like.
Description
Technical field
The present invention relates to a kind of pressurization supply equipment, specifically a kind of negative pressure canceller.
Background technology
Existing negative pressure canceller is widely used in the supply equipment that pressurizes, and negative pressure canceller is the important device of pressurization supply equipment, its Main Function is the appearance in order to prevent due to the vacuum that produces when tap water supply amount is less than user's water supply volume or imbalance of pressure phenomenon in tap water supply process.In this area, normally used negative pressure canceller exists following not enough: 1. when existence is intake sometimes, negative pressure canceller exhaust not in time; 2. sometimes there is negative pressure canceller when tap water supply amount is less than user's water supply volume not open, causing can not air inlet in time, forms the imbalance of pressure state of low vacuum in tank body; 3. sometimes because ball float adopts hollow float usually, when pressure increase in tank body, easily there is the phenomenon be flattened in hollow float, causes negative pressure to be eliminated malfunctioning etc.Cause the impact that a whole set of supply equipment is normally used for all the foregoing reasons, to such an extent as to affect normal water supply or affect application life of equipment.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, a kind of novel structure be provided, eliminate negative pressure, be quick on the draw, the negative pressure canceller of reliable, easy for installation, long service life.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of negative pressure canceller, it is characterized in that comprising valve seat, valve bonnet, spool, valve body, tensioning spring, ball float, connecting rod, scavenge trunk and valve gap, described valve seat is fixed on top, retaining room, described valve seat upper end is fixed with valve bonnet, lower end is provided with scavenge trunk, ball float is provided with below described valve seat, described valve seat is provided with valve body, described valve body is positioned at valve bonnet, described scavenge trunk is connected with valve bonnet, spool and tensioning spring is provided with in described valve body, top is provided with valve gap, lower center is provided with scavenge port, described spool is connected with valve body slides, sidewall is provided with side opening, the scavenge port that described spool lower center is provided with through valve body lower end through connecting rod is fixedly connected with ball float, upper surface is provided with sealing surface, described tensioning spring is enclosed within connecting rod, its lower end and valve body inconsistent, upper end and the inconsistent described bonnet central of spool are provided with port, lower surface is provided with seal, described seal is corresponding with sealing surface, when liquid level does not soak ball float certain depth, tensioning spring is compressed under the Action of Gravity Field of ball float, make retaining room, scavenge port, side opening, through hole, scavenge trunk and air storage chamber form the clear passage of gas, when the liquid level of retaining indoor reach a certain height ball float is floated time, spool drives spool to move on valve body under the buoyancy of ball float, make the sealing surface close contact of seal and spool upper end, through hole is closed, solve the malfunctioning deficiency that electronics negative pressure canceller in use causes because leaking, reach elimination negative pressure, be quick on the draw, reliable, easy for installation, the effect of long service life.
Ball float of the present invention is solid, to solve the deficiency that hollow ball float is flattened under the pressure effect of retaining indoor.
The non-metallic material that ball float of the present invention adopts buoyancy to be greater than water is made, to ensure the buoyancy of ball float in water.
The non-metallic material of ball float of the present invention can adopt a kind of or wherein two or more composite material in plastics, rubber, synthetic fibers.
The sealing surface of spool upper end of the present invention adopts quality of rubber materials, is beneficial to the effect reaching tight seal.
Seal of the present invention back taper in the form of a ring, is beneficial to strengthen the close contact dynamics with sealing surface.
The present invention, owing to adopting said structure, has novel structure, eliminates negative pressure, is quick on the draw, the advantage such as reliable, easy for installation, long service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Reference numeral: valve seat 35, valve bonnet 37, spool 38, valve body 39, tensioning spring 40, ball float 41, connecting rod 42, scavenge trunk 43 and valve gap 44.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is further described:
As shown in drawings, a kind of negative pressure canceller, it is characterized in that comprising valve seat 35, valve bonnet 37, spool 38, valve body 39, tensioning spring 40, ball float 41, connecting rod 42, scavenge trunk 43 and valve gap 44, described valve seat is fixed on top, retaining room, described valve seat 35 upper end is fixed with valve bonnet 37, lower end is provided with scavenge trunk 43, ball float 41 is provided with below described valve seat 35, described valve seat 35 is provided with valve body 39, described valve body 39 is positioned at valve bonnet 37, described scavenge trunk 43 is connected with valve bonnet 37, spool 38 and tensioning spring 40 is provided with in described valve body 39, top is provided with valve gap 44, lower center is provided with scavenge port 45, described spool 38 is slidably connected with valve body 39, sidewall is provided with side opening 46, the scavenge port 45 that described spool 38 lower center is provided with through valve body 39 lower end through connecting rod 42 is fixedly connected with ball float 41, upper surface is provided with sealing surface 47, described tensioning spring 40 is enclosed within connecting rod 42, its lower end and valve body 39 inconsistent, upper end and spool 38 inconsistent, described valve gap 44 center is provided with port 48, lower surface is provided with seal 49, described seal 49 is corresponding with sealing surface 47, when liquid level does not soak ball float 41 certain depth, tensioning spring 40 is compressed under the Action of Gravity Field of ball float 41, make retaining room 14, scavenge port 45, side opening 46, port 48, scavenge trunk 43 and air storage chamber 13 form the clear passage of gas, when the liquid level in retaining room 14 reach a certain height ball float 41 is floated time, spool 38 drives spool 38 to move on valve body 39 under the buoyancy of ball float 41, make sealing surface 47 close contact of seal 49 and spool 38 upper end, through hole 48 is closed, solve the malfunctioning deficiency that electronics negative pressure canceller in use causes because leaking, reach machine security and eliminate negative pressure, be quick on the draw, reliable, easy for installation, the effect of long service life.
Ball float of the present invention 41 in solid, with the deficiency be flattened under solving the pressure effect of hollow ball float 41 in retaining room 14.
The non-metallic material that ball float 41 of the present invention adopts buoyancy to be greater than water is made, to ensure the buoyancy of ball float 41 in water.
The non-metallic material of ball float 41 of the present invention can adopt a kind of material in plastics, rubber, synthetic fibers or two or more composite materials.
The sealing surface 47 of spool 38 upper end of the present invention adopts quality of rubber materials, is beneficial to the effect reaching tight seal.
Seal 49 of the present invention back taper in the form of a ring, is beneficial to strengthen the close contact dynamics with sealing surface 47, substantially increases the effect of negative pressure canceller.
Operating principle of the present invention: the present invention is fixed in retaining tank body, when the hoverheight of liquid level lower than ball float, tensioning spring 40 is compressed under the Action of Gravity Field of ball float 41, spool 38 is separated with valve gap 44, gas is from scavenge port, side opening, the gap of spool 38 and valve body 39, port 48 on valve gap 44, gas access way is formed between scavenge trunk 49, when liquid level progressively raises, after reaching a certain height, impel ball float 41 to lose weight to float, spool 38 moves to valve body 39 top under the effect of tensioning spring 40, after sealing surface 47 contacts completely with seal 49, port 48 on valve gap 44 is closed, it is tighter that the highly denser front cover of liquid level contacts.
The present invention, owing to adopting said structure, has novel structure, eliminates negative pressure, is quick on the draw, the advantage such as reliable, easy for installation, long service life.
Claims (6)
1. a negative pressure canceller, it is characterized in that comprising valve seat, valve bonnet, spool, valve body, tensioning spring, ball float, connecting rod, scavenge trunk and valve gap, described valve seat is fixed on top, retaining room, described valve seat upper end is fixed with valve bonnet, lower end is provided with scavenge trunk, ball float is provided with below described valve seat, described valve seat is provided with valve body, described valve body is positioned at valve bonnet, described scavenge trunk is connected with valve bonnet, spool and tensioning spring is provided with in described valve body, top is provided with valve gap, lower center is provided with scavenge port, described spool is connected with valve body slides, sidewall is provided with side opening, the scavenge port that described spool lower center is provided with through valve body lower end through connecting rod is fixedly connected with ball float, upper surface is provided with sealing surface, described tensioning spring is enclosed within connecting rod, its lower end and valve body inconsistent, upper end and the inconsistent described bonnet central of spool are provided with port, lower surface is provided with seal, described seal is corresponding with sealing surface, when liquid level does not soak ball float certain depth, tensioning spring is compressed under the Action of Gravity Field of ball float, make retaining room, scavenge port, side opening, through hole, scavenge trunk and air storage chamber form the clear passage of gas, when the liquid level of retaining indoor reach a certain height ball float is floated time, spool drives spool to move on valve body under the buoyancy of ball float, make the sealing surface close contact of seal and spool upper end, through hole is closed.
2. a kind of negative pressure canceller according to claim 1, is characterized in that described ball float is solid.
3. a kind of negative pressure canceller according to claim 1 and 2, is characterized in that the non-metallic material that described ball float adopts buoyancy to be greater than water is made.
4. a kind of negative pressure canceller according to claim 3, is characterized in that the non-metallic material of described ball float adopts a kind of or wherein two or more composite material in plastics, rubber, synthetic fibers.
5. a kind of negative pressure canceller according to claim 1, is characterized in that the sealing surface of described spool upper end adopts quality of rubber materials.
6. a kind of negative pressure canceller according to claim 1, is characterized in that described seal back taper in the form of a ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510048985.XA CN104594454A (en) | 2015-01-30 | 2015-01-30 | Negative pressure eliminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510048985.XA CN104594454A (en) | 2015-01-30 | 2015-01-30 | Negative pressure eliminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104594454A true CN104594454A (en) | 2015-05-06 |
Family
ID=53120474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510048985.XA Pending CN104594454A (en) | 2015-01-30 | 2015-01-30 | Negative pressure eliminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104594454A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110511821A (en) * | 2019-09-25 | 2019-11-29 | 河北瑞龙生物科技有限公司 | A kind of improved steam distillation extracts orange peel oil experimental provision and experimental method |
| CN113279457A (en) * | 2021-05-30 | 2021-08-20 | 上海上锐泵业(集团)有限公司 | Double-tank type pressure-stabilizing compensation non-negative-pressure water supply equipment |
-
2015
- 2015-01-30 CN CN201510048985.XA patent/CN104594454A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110511821A (en) * | 2019-09-25 | 2019-11-29 | 河北瑞龙生物科技有限公司 | A kind of improved steam distillation extracts orange peel oil experimental provision and experimental method |
| CN113279457A (en) * | 2021-05-30 | 2021-08-20 | 上海上锐泵业(集团)有限公司 | Double-tank type pressure-stabilizing compensation non-negative-pressure water supply equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150506 |
|
| WD01 | Invention patent application deemed withdrawn after publication |