CN205036914U - Novel one -way valve - Google Patents
Novel one -way valve Download PDFInfo
- Publication number
- CN205036914U CN205036914U CN201520670582.4U CN201520670582U CN205036914U CN 205036914 U CN205036914 U CN 205036914U CN 201520670582 U CN201520670582 U CN 201520670582U CN 205036914 U CN205036914 U CN 205036914U
- Authority
- CN
- China
- Prior art keywords
- valve body
- annular boss
- layer
- check valve
- exhalant canal
- 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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Abstract
The utility model relates to a seawater desalination technology field especially relates to novel one -way valve. Be provided with inside bellied first annular boss through valve body exhalant canal lower part, this first annular boss top surface is provided with conical holding tank, valve body exhalant canal upper portion is provided with inside bellied second annular boss, set up spherical case in the inhalant canal between the annular boss of first, second, the valve body has set gradually the inner bag layer from inside to outside, is provided with reticular strengthening rib layer outside the inner bag layer, is provided with the oversheath layer outside the strengthening rib layer, corrosion resistant metal material is adopted on valve body inner bag layer, make novel one -way valve sealed effectual, and long service life.
Description
Technical field
The utility model relates to field of sea water desalting technology, particularly relates to Novel check valve.
Background technique
One-way valve is for preventing oil stream reverse flow in hydraulic system, or for preventing the check valve of pressurized air reverse flow in pneumatic system; The one-way valve structures used in desalination of sea water pump is at present comparatively complicated, and sealability is poor, the situation of seawater adverse current easily occurs, causes desalination of sea water weak effect, add cost of production; Because corrosive properly is comparatively strong, therefore one-way valve uses inwall to be easily corroded for a long time in the seawater, and causes sealing not good enough.
Model utility content
The purpose of this utility model is to provide good sealing effect, the Novel check valve of long service life.
The technical solution of the utility model is as follows:
Novel check valve; Comprise valve body, in valve body, be provided with exhalant canal; It is characterized in that, described valve body exhalant canal bottom is provided with inwardly protruded first annular boss, and this first annular boss end face is provided with the receiving groove of taper; Described valve body exhalant canal top is provided with inwardly protruded second annular boss; In intake tunnel between first, second annular boss described, spherical spool is set; Described valve body is disposed with bladder layer from inside to outside, and bladder layer is outside equipped with netted stiffening rib layer, and stiffening rib layer is outside equipped with external sheath layer; Described valve body bladder layer adopts corrosion resistant metallic material.
Described bladder layer and external sheath layer all adopt two phase stainless steel material.Because two phase stainless steel corrosion resistance is strong, and cost is low, and therefore bladder layer and external sheath layer all adopt two phase stainless steel, can reduce the risk that bladder layer and external sheath layer are corroded on the one hand, also can reduce cost of production on the other hand.
Described bladder layer adopts titanium material; External sheath layer adopts two phase stainless steel material.Because titanium material compares two phase stainless steel decay resistance more by force, therefore adopt titanium material with the bladder layer of contact with sea water, effectively can extend the working life of bladder layer.
The receiving groove place of described first annular boss is provided with funnel shaped groove (funnel shape is tapered specifically, below rounded) above, is provided with the stuffing box gland suitable with groove in this groove.Owing to being provided with suitable stuffing box gland in funnel shaped groove, to increase the sealing effect of spherical valve core.
Described stuffing box gland is funnel shaped air bag.Not only cost is low to adopt air bag, and sealing effect is better.
Described stuffing box gland is funnel shaped rubber sleeve.Adopt rubber sleeve, easy to make, cost of production is low.
The beneficial effects of the utility model are: by arranging first, second annular boss, to be stuck in the exhalant canal between first, second annular boss by spherical spool; Because receiving groove adopts taper, cone structure upper end bore is large, and lower end bore is little, therefore after the water in exhalant canal flows out, the spherical valve guiding being convenient to fall after rise gravitate, the passage making spherical valve core block the first annular boss to surround, avoids the water in pump to leak; Because valve body is used in seawater evolution, the corrosivity of seawater is comparatively strong, and therefore valve body inner layer surface adopts corrosion resistant metallic material, can effectively increase the service life; By arranging stiffening rib layer outside bladder layer, to increase the intensity of valve body; Because stiffening rib layer is outside equipped with external sheath layer, increase the intensity of valve body on the one hand, increase thermal insulation effect on the other hand.
Accompanying drawing explanation
By the detailed description below in conjunction with accompanying drawing, aforesaid and other object, the feature and advantage of the utility model will become apparent.
Wherein: Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model annular flange flange structural representation;
In accompanying drawing, 1 is valve body, and 2 is exhalant canal, and 3 is the first annular boss, and 4 is receiving groove, and 5 is the second annular boss, and 6 is spool, and 7 is bladder layer, and 8 is stiffening rib layer, and 9 is external sheath layer, and 10 is groove, and 11 is stuffing box gland, and 12 is annular flange flange.
Embodiment
Shown in Fig. 1-Fig. 2, Novel check valve; Comprise valve body 1, in valve body, be provided with exhalant canal 2; Described valve body exhalant canal bottom is provided with inwardly protruded first annular boss 3, and this first annular boss end face is provided with the receiving groove 4 of taper; Described valve body exhalant canal top is provided with inwardly protruded second annular boss 5; In intake tunnel between first, second annular boss described, spherical spool 6 is set; Described valve body is disposed with bladder layer 7 from inside to outside, and bladder layer is outside equipped with netted stiffening rib layer 8, and stiffening rib layer is outside equipped with external sheath layer 9; Described valve body bladder layer adopts corrosion resistant metallic material.
By arranging first, second annular boss, so that spherical spool is stuck in the exhalant canal between first, second annular boss; Because receiving groove adopts taper, cone structure upper end bore is large, and lower end bore is little, therefore after the water in exhalant canal flows out, the spherical valve guiding being convenient to fall after rise gravitate, the passage making spherical valve core block the first annular boss to surround, avoids the water in pump to leak; Because valve body is used in seawater evolution, the corrosivity of seawater is comparatively strong, and therefore valve body inner layer surface adopts corrosion resistant metallic material, can effectively increase the service life; By arranging stiffening rib layer outside bladder layer, to increase the intensity of valve body; Because stiffening rib layer is outside equipped with external sheath layer, increase the intensity of valve body on the one hand, increase thermal insulation effect on the other hand.
Say the process of non-return valve operational below: when desalination of sea water pump drainage (as shown in Figure 1, the direction of arrow is that seawater flows out direction), seawater is flowed out by the work of the desalination of sea water pump one-way valve to waterexit end; Seawater overcomes the Action of Gravity Field of spool by the pressure that desalination of sea water pump provides, and after promotion spool moves up, seawater flows out outside one-way valve; When desalination of sea water pump absorbs water, seawater due to the suction in desalination of sea water pump, and flows in desalination of sea water pump, and the spool that desalination of sea water is pumped in water end (W.E.) one-way valve is stuck on receiving groove firmly due to suction, to be sealed waterexit end.
Preferably, described bladder layer and external sheath layer all adopt two phase stainless steel material.Because two phase stainless steel corrosion resistance is strong, and cost is low, and therefore bladder layer and external sheath layer all adopt two phase stainless steel, can reduce the risk that bladder layer and external sheath layer are corroded on the one hand, also can reduce cost of production on the other hand.
Preferably, described bladder layer adopts titanium material; External sheath layer adopts two phase stainless steel material.Because titanium material compares two phase stainless steel decay resistance more by force, therefore adopt titanium material with the bladder layer of contact with sea water, effectively can extend the working life of bladder layer.
Preferably, the receiving groove place of described first annular boss is provided with funnel shaped groove 10 (funnel shape is tapered specifically, below rounded) above, is provided with the stuffing box gland 11 suitable with groove in this groove.Owing to being provided with suitable stuffing box gland in funnel shaped groove, to increase the sealing effect of spherical valve core.
Preferably, described stuffing box gland is funnel shaped air bag (silica gel air bag).Not only cost is low to adopt air bag, and sealing effect is better.
Preferably, described stuffing box gland is funnel shaped rubber sleeve.Adopt rubber sleeve, easy to make, cost of production is low.
Preferably, the heavy caliber end of described groove is provided with towards the annular flange flange 12 of stuffing box gland, sealing put be provided with annular flange flange with the use of annular groove.By annular flange flange and annular groove with the use of, add sealing effect on the one hand, make more firm being arranged in groove of stuffing box gland on the other hand.
Preferably, described second annular boss bottom surface is provided with spring, and the free end of this spring is connected with spool.By arranging spring, providing a downward pressure to spool, making sealing effect better.
The above; it is only preferred embodiment of the present utility model; not any pro forma restriction is done to the utility model, every according in technical spirit of the present utility model to any simple modification, equivalent variations that above embodiment does, all fall within protection domain of the present utility model.
Claims (6)
1. Novel check valve; Comprise valve body, in valve body, be provided with exhalant canal; It is characterized in that, described valve body exhalant canal bottom is provided with inwardly protruded first annular boss, and this first annular boss end face is provided with the receiving groove of taper; Described valve body exhalant canal top is provided with inwardly protruded second annular boss; In intake tunnel between first, second annular boss described, spherical spool is set; Described valve body is disposed with bladder layer from inside to outside, and bladder layer is outside equipped with netted stiffening rib layer, and stiffening rib layer is outside equipped with external sheath layer; Described valve body bladder layer adopts corrosion resistant metallic material.
2. Novel check valve according to claim 1; It is characterized in that, described bladder layer and external sheath layer all adopt two phase stainless steel material.
3. Novel check valve according to claim 1; It is characterized in that, described bladder layer adopts titanium material; External sheath layer adopts two phase stainless steel material.
4. Novel check valve according to claim 1; It is characterized in that, the receiving groove place of described first annular boss is provided with funnel shaped groove, is provided with the stuffing box gland suitable with groove in this groove.
5. Novel check valve according to claim 1; It is characterized in that, described stuffing box gland is funnel shaped air bag.
6. Novel check valve according to claim 1; It is characterized in that, described stuffing box gland is funnel shaped rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520670582.4U CN205036914U (en) | 2015-08-31 | 2015-08-31 | Novel one -way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520670582.4U CN205036914U (en) | 2015-08-31 | 2015-08-31 | Novel one -way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205036914U true CN205036914U (en) | 2016-02-17 |
Family
ID=55295818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520670582.4U Expired - Fee Related CN205036914U (en) | 2015-08-31 | 2015-08-31 | Novel one -way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205036914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794399A (en) * | 2017-11-16 | 2019-05-24 | 株式会社迪思科 | Liquid provides unit |
-
2015
- 2015-08-31 CN CN201520670582.4U patent/CN205036914U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794399A (en) * | 2017-11-16 | 2019-05-24 | 株式会社迪思科 | Liquid provides unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20180831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |