CN201731121U - Pumping non-return valve - Google Patents
Pumping non-return valve Download PDFInfo
- Publication number
- CN201731121U CN201731121U CN2010202614645U CN201020261464U CN201731121U CN 201731121 U CN201731121 U CN 201731121U CN 2010202614645 U CN2010202614645 U CN 2010202614645U CN 201020261464 U CN201020261464 U CN 201020261464U CN 201731121 U CN201731121 U CN 201731121U
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- valve rod
- spring
- interlayer
- 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
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a pumping non-return valve, which comprises a valve body, a valve rod, a gland bush and a spring, wherein, the valve body comprises an upper valve body and a lower valve body; the upper valve body and the lower valve body which are matched with each other through screw threads are connected and fixed together; an interlayer is arranged on the upper valve body; a central through-hole and an aspirating hole are formed on the interlayer; a pumping hole is formed on the side surface of the lower valve body; a seal ring seat is arranged at the upper part of the lower valve body; the gland bush is arranged on the seal ring seat; a through-hole is formed at the center of the gland bush; the valve rod is in the shape of an inverted umbrella; an arc-shaped bottom end of umbrella fabric is covered on the through-hole formed at the center of the gland bush; an umbrella handle end of the valve rod is upward vertically, and penetrates through the central through-hole formed in the interlayer of the upper valve body; the spring is socket-jointed with an umbrella handle of the valve rod; the bottom diameter of the spring is less than the umbrella fabric diameter of the valve rod; in addition, one end of the spring tightly butts against the umbrella fabric end of the valve rod, and the other end of the spring tightly butts against the interlayer of the upper valve body. The pumping non-return valve has the advantages of simple structure, convenience of processing, low construction cost due to adoption of plastic components, easiness of maintenance and good sealing effect.
Description
Technical field
The utility model relates to a kind of one-way valve, relates in particular to a kind of one-way valve that draws water.
Background technique
Existing one-way valve structures is generally comparatively complicated, a plurality of parts such as backing plate need be set, utility model patent CN02279076.4, patent name is for disclosing a kind of one-way valve in " one-way valve ", as shown in Figure 1, it is made up of valve body 01 and spool, spool comprises: clack valve 02, valve rod 06, backing plate 03, spring 05 and sealing gasket 04, it is characterized in that: clack valve 02 is fixed on valve rod 01 1 ends, valve rod 01 passes from the center hole on the backing plate 03, on backing plate 03, be provided with osculum, clack valve 02 covers on the osculum of backing plate 03, and spring 05 is enclosed within the other end of valve rod 01, and has a nut spacing, backing plate 03 and sealing gasket 04 are placed on 07 li of the groove at edge, valve body 01 top, through rotation up and down valve body the two is pressed in the valve body 01.In this patent, clack valve 02 is two structures of separating with valve rod 06, and backing plate 03 and the special groove 07 of placing backing plate 03 and sealing gasket 04 also need be set, and structure is comparatively complicated, and product processing is loaded down with trivial details.
Summary of the invention
The deficiency of the utility model in the background technique designs one-way valve a kind of simple in structure, easy to process.
In order to reach above purpose, the utility model one-way valve that draws water comprises valve body, valve rod, sealing gasket, spring, described valve body comprises upper valve body and following valve body, upper and lower valve body is prepared by screw thread and is connected and fixed, and upper valve body is provided with interlayer, and interlayer is provided with central through bore and bleeder hole, following valve body side is provided with suction eye, described valve body top down is provided with packing holder, and sealing gasket is located on the packing holder, and the sealing gasket center is provided with through hole; Valve rod is inverted umbrella, and umbrella cover arcuate bottom end cap is on the through hole at sealing gasket center, and the umbrella handle end of valve rod is arranged in the central through bore of upper valve body interlayer straight up; Spring housing is connected on the umbrella handle of valve rod, and spring bottom diameter is less than valve rod umbrella cover diameter, and the spring bottom is closely against the umbrella cover end of valve rod, and the other end is closely against on the interlayer of upper valve body.
In the utility model, the diameter of spring bottom is less than valve rod umbrella cover diameter, and when not drawing water, spring can be against on the central through bore of sealing gasket good sealing effect with the umbrella cover arc bottom of valve rod like this.Only an inverted umbrella valve rod need be set, traditional valve house and valve rod are connected as a single entity, easy to process.
Described spring diameter is ascending to the interlayer direction from umbrella cover.
Described valve body and valve rod are the working of plastics of easy processing.
The utility model adopts above structure, only an inverted umbrella valve rod need be set, and replaces valve rod and clack valve in the existing one-way valve, and the groove of special placement sealing gasket need be set.In a word, the utility model is simple in structure, and is easy to process, adopts plastic components, and cost is low, easy-maintaining, good sealing effect.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail: Fig. 1 is the structural representation of the existing one-way valve that draws water; Fig. 2 is the draw water sectional structure schematic representation of one-way valve of the utility model; Fig. 3 is that the draw water upper valve body of one-way valve of the utility model is overlooked the structure for amplifying schematic representation.
Embodiment
Shown in one of Fig. 2 or 3, the utility model comprises valve body 1, valve rod 2, sealing gasket 3, spring 4, described valve body 1 comprises upper valve body 5 and following valve body 6, upper and lower valve body 5,6 is prepared by screw thread and is connected and fixed, and upper valve body 5 is provided with interlayer 51, and interlayer 51 is provided with central through bore 52 and bleeder hole 53, following valve body 6 sides are provided with suction eye 61, described valve body 6 tops down are provided with gasket base 62, and sealing gasket 3 is fastened on the gasket base 62, and sealing gasket 3 centers are provided with through hole 31; Valve rod 2 is inverted umbrella, and umbrella cover arc bottom 21 is covered on the through hole 31 at sealing gasket 3 centers, and the umbrella handle end 22 of valve rod 2 is arranged in the central through bore 51 of upper valve body 5 interlayers 51 straight up; Spring 4 is socketed on the umbrella handle 22 of valve rod 2, and spring 4 bottom diameters are less than valve rod umbrella cover diameter, and spring 4 bottoms are closely against the umbrella cover end 21 of valve rod 2, and the other end is closely against the interlayer 51 of upper valve body 5.
In the utility model, the diameter of spring 4 bottoms is less than valve rod umbrella cover 21 diameters, and when not drawing water, spring 4 can be against the umbrella cover arc bottom 21 of valve rod 1 on the central through bore 31 of sealing gasket 3 good sealing effect like this.Only an inverted umbrella valve rod 2 need be set, traditional valve house and valve rod are connected as a single entity, easy to process.
Described spring 4 diameters from umbrella cover 21 to interlayer 51 directions ascending.
Described valve body 1 and valve rod 2 are the working of plastics of easy processing.
Adopt above structure, during work, water inlet termination air extractor, under suction function, pressure spring 4 drives valve rod 2 and moves up, and water just is drawn out of from the central through bore 31 of sealing gasket 3; When stopping to bleed, under the active force of the gravity of water and spring 4, valve rod 2 resets.
Claims (3)
1. one-way valve that draws water, it comprises valve body, valve rod, sealing gasket, spring, described valve body comprises upper valve body and following valve body, upper and lower valve body is prepared by screw thread and is connected and fixed, and upper valve body is provided with interlayer, and interlayer is provided with central through bore and bleeder hole, following valve body side is provided with suction eye, it is characterized in that: described valve body top down is provided with packing holder, and sealing gasket is located on the packing holder, and the sealing gasket center is provided with through hole; Valve rod is inverted umbrella, and umbrella cover arcuate bottom end cap is on the through hole at sealing gasket center, and the umbrella handle end of valve rod is arranged in the central through bore of upper valve body interlayer straight up; Spring housing is connected on the umbrella handle of valve rod, and spring bottom diameter is less than valve rod umbrella cover diameter, and the spring bottom is closely against the umbrella cover end of valve rod, and the other end is closely against on the interlayer of upper valve body.
2. the one-way valve that draws water according to claim 1 is characterized in that: described spring diameter is ascending to the interlayer direction from umbrella cover.
3. the one-way valve that draws water according to claim 1 is characterized in that: described valve body and valve rod are working of plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202614645U CN201731121U (en) | 2010-07-16 | 2010-07-16 | Pumping non-return valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202614645U CN201731121U (en) | 2010-07-16 | 2010-07-16 | Pumping non-return valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201731121U true CN201731121U (en) | 2011-02-02 |
Family
ID=43522278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202614645U Expired - Fee Related CN201731121U (en) | 2010-07-16 | 2010-07-16 | Pumping non-return valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201731121U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102872487A (en) * | 2012-10-22 | 2013-01-16 | 贝恩医疗设备(广州)有限公司 | Check valve for dialysis and one-way control device for dialysis |
| CN102900664A (en) * | 2012-10-22 | 2013-01-30 | 贝恩医疗设备(广州)有限公司 | Balance pump |
-
2010
- 2010-07-16 CN CN2010202614645U patent/CN201731121U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102872487A (en) * | 2012-10-22 | 2013-01-16 | 贝恩医疗设备(广州)有限公司 | Check valve for dialysis and one-way control device for dialysis |
| CN102900664A (en) * | 2012-10-22 | 2013-01-30 | 贝恩医疗设备(广州)有限公司 | Balance pump |
| CN102872487B (en) * | 2012-10-22 | 2015-01-28 | 贝恩医疗设备(广州)有限公司 | Check valve for dialysis and one-way control device for dialysis |
| CN102900664B (en) * | 2012-10-22 | 2015-11-18 | 贝恩医疗设备(广州)有限公司 | A kind of ballast pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201731121U (en) | Pumping non-return valve | |
| CN202468278U (en) | Desktop liquid pumping out machine | |
| CN203991399U (en) | Foot multifunctional cleaning device | |
| CN203614417U (en) | Oil-gas separation device | |
| CN202515993U (en) | Convenient-to-use anti-skid infusion bottle | |
| CN205018871U (en) | Silence steam air outlet valve | |
| CN2759957Y (en) | Vacuum conservation tank construction | |
| CN203604412U (en) | Suction cup film hook | |
| CN2787639Y (en) | Portable liquid-sucking device | |
| CN204562037U (en) | A kind of pump bottle is built-in presses down mop capable of spraying water | |
| CN204253569U (en) | A kind of multifunctional suction disc | |
| CN207777100U (en) | A kind of household convenient for driving is fetched water device | |
| CN205867174U (en) | Cardiovascular drainage device for branch of academic or vocational study | |
| CN206316637U (en) | The self adaptation Suction cup assembly of electromagnetism valve portion kludge | |
| CN103062038B (en) | Table type liquid pumps machine | |
| CN209925549U (en) | Improved fixing device | |
| CN202843338U (en) | Portable beverage dispenser | |
| CN200960023Y (en) | Wall surface support | |
| CN203796725U (en) | Bearing sucker | |
| CN217153744U (en) | Grease gun oil absorption disc | |
| CN204025026U (en) | Plunger pump automatic control pressure vent | |
| CN201517477U (en) | Novel semi-automatic oil extractor | |
| CN209535301U (en) | A kind of motorcycle seat cushion fixed structure | |
| CN204627937U (en) | Air chamber non-lubricating gas liquid two purpose pump drainage pump | |
| CN206770185U (en) | A kind of backhaul dish structure for running motor |
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: 20110202 Termination date: 20150716 |
|
| EXPY | Termination of patent right or utility model |