CN214616987U - Fixing structure of discharge valve of diaphragm booster pump - Google Patents
Fixing structure of discharge valve of diaphragm booster pump Download PDFInfo
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- CN214616987U CN214616987U CN202120687757.8U CN202120687757U CN214616987U CN 214616987 U CN214616987 U CN 214616987U CN 202120687757 U CN202120687757 U CN 202120687757U CN 214616987 U CN214616987 U CN 214616987U
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- discharge valve
- valve plate
- valve
- booster pump
- central hole
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Abstract
The utility model discloses a fixed knot of discharge valve constructs of diaphragm booster pump, and the fixed knot who overcomes the discharge valve of diaphragm booster pump among the prior art constructs and the mode leads to the discharge valve to appear ageing, warp easily, arouses the decline weak point of sealing performance. The structure includes a pump head cover; the diaphragm chamber is provided with a central hole and a plurality of water outlets arranged around the central hole; a supporting part is formed between the central hole and the water outlet; the discharge valve comprises a valve plate and a central column arranged on the bottom surface of the valve plate; the central column is arranged in the central hole, and the valve plate seals the water outlet; and the pump head cover is provided with a jacking part for jacking and pressing the top surface of the valve plate. By utilizing the jacking action of the jacking part on the valve plate of the discharge valve and the tensioning action of the diaphragm chamber on the neck part of the discharge valve, the sealing performance between the discharge valve and the valve body surface of the diaphragm chamber can be kept as before under long-term work, thereby reducing the attenuation of the sealing performance under long-term use and prolonging the service life.
Description
Technical Field
The utility model relates to a diaphragm booster pump inner structure especially relates to a fixed knot of discharge valve of diaphragm booster pump constructs.
Background
The diaphragm booster pump is used for the water purifier pressure boost mostly, and long-term operating pressure is under 70, 120PSI, and long-time back of working is because booster pump flow decay, leads to the water purifier water yield to descend, and user experience feels and falls thereupon. The main reason of the flow attenuation of the booster pump is that the sealing performance of the discharge valve is reduced under long-term high-pressure work, in a common discharge valve fixing structure in the prior art, the discharge valve and the diaphragm chamber are fixed in a mode that the neck of the discharge valve is tensioned, and the discharge valve made of rubber materials is aged and deformed under long-term high-pressure work, so that the sealing performance is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the fixed knot of the bleeder valve of the diaphragm booster pump among the prior art construct and the mode leads to the bleeder valve to appear ageing, warp easily, arouses that sealing performance descends the weak point, provides a fixed knot of the bleeder valve of diaphragm booster pump constructs, can effectively fix the bleeder valve for a long time to improve the sealing performance decay under the long-term use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a fixed knot of discharge valve of diaphragm booster pump constructs, include:
a pump head cover;
the diaphragm chamber is provided with a central hole and a plurality of water outlets arranged around the central hole; a supporting part is formed between the central hole and the water outlet;
the discharge valve comprises a valve plate and a central column arranged on the bottom surface of the valve plate; the central column is arranged in the central hole, and the valve plate seals the water outlet;
and the pump head cover is provided with a jacking part for jacking and pressing the top surface of the valve plate. By utilizing the jacking action of the jacking part on the valve plate of the discharge valve and the tensioning action of the diaphragm chamber on the neck part of the discharge valve, the sealing performance between the discharge valve and the valve body surface of the diaphragm chamber can be kept as before under long-term work, thereby reducing the attenuation of the sealing performance under long-term use and prolonging the service life.
Preferably, the pressing portion includes an annular protrusion coaxially disposed with the central hole, and a plurality of bosses disposed around the annular protrusion.
Preferably, the height of the boss is higher than that of the annular bulge, the boss is arranged corresponding to the support part, and the valve plate is abutted to the support part. Specifically, the boss is arranged corresponding to the support portion, and after the assembly is completed, the extrusion force applied to the valve block by the boss is transmitted to the support portion, so that the sealing effect between the valve block and the diaphragm chamber (support portion) is better.
Preferably, the number and the orientation of the bosses correspond to the water outlets one to one.
Preferably, a first limiting boss is arranged at the center of the bottom surface of the valve plate, and a second limiting boss is arranged on the central column; a first limiting groove matched with the first limiting boss is formed at the top end of the central hole, and a second limiting groove matched with the second limiting boss is formed at the bottom end of the central hole; the first limiting boss and the second limiting boss are respectively embedded into the first limiting groove and the second limiting groove, the discharge valve is fixed in the diaphragm chamber by utilizing the upper end and the lower end of the limiting tensioning discharge valve, and the discharge valve is installed.
Preferably, the first limiting boss is of a regular polygon platform structure, the center column is connected with the center of the first limiting boss, and the first limiting groove is of a regular polygon groove structure matched with the first limiting boss.
Preferably, one end, far away from the valve plate, of the second limiting boss is of a circular truncated cone-shaped structure.
Preferably, the inner wall of the center hole communicated with one end of the first limiting groove is of a conical surface structure, so that the guide effect is achieved, the discharge valve can be conveniently inserted into the center hole, and the installation of the discharge valve is facilitated.
Preferably, the bottom surface of the valve plate is provided with a plurality of strip-shaped grooves which are radially arranged, the bottom surface of the valve plate is divided into a plurality of sealing units, and each sealing unit corresponds to the water outlet one by one.
Preferably, the top surface of the valve plate is of a plane structure, and the bottom surface of the valve plate is of a convex spherical crown structure matched with the diaphragm chamber.
The utility model discloses following beneficial effect has:
1. the discharge valve is installed in the central hole of the diaphragm chamber through the central column, the central column is tightened to realize long-term stable fixation of the discharge valve, and meanwhile, the jacking effect of the jacking part on the valve plate of the discharge valve is utilized, so that the sealing performance between the discharge valve and the valve body surface of the diaphragm chamber can be kept well under long-term work, the sealing performance attenuation under long-term use is reduced, and the service life is prolonged.
2. The boss is arranged corresponding to the supporting part, and after the assembly is completed, the extrusion force applied to the valve block by the boss is transmitted to the supporting part, so that the sealing effect between the valve block and the diaphragm chamber (supporting part) is better.
3. The drain valve is divided into a plurality of relatively independent sealing units by the strip-shaped groove, and the number and the direction of the sealing units, the bosses and the water outlets are consistent. When a water outlet is opened for drainage, water pressure only can prop open the sealing unit at the position, and the boss can prop and press the position, close to the center of the valve plate, of the sealing unit at the upper part, so that the positioning stability of the center of the discharge valve is maintained, the looseness of the discharge valve is relieved while drainage is considered, the long-time sealing effect is maintained, and the attenuation of the sealing performance of the diaphragm booster pump under long-term use is reduced.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a schematic structural diagram of the discharge valve of the present invention.
Fig. 3 is another schematic structural diagram of the discharge valve of the present invention.
Fig. 4 is a schematic perspective view of the pump head cover of the present invention.
Fig. 5 is a schematic structural view of the diaphragm chamber according to the present invention.
Fig. 6 is a cross-sectional view of a diaphragm chamber of the present invention.
In the figure: 1. a discharge valve; 101. a strip-shaped groove; 102. a central column; 103. a first limit boss; 104. a sealing unit; 105. a valve plate; 106. a second limit boss; 2. a pump head cover; 201. an annular projection; 202. a boss; 3. a diaphragm chamber; 301. a first limit groove; 302. a central bore; 303. a second limit groove; 304. a water outlet; 305. a support portion.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-6, the fixing structure of the discharge valve of the diaphragm booster pump of the present invention comprises:
a pump head cover 2;
a diaphragm housing 3 provided with a central aperture 302, and a number of water outlets 304 arranged around the central aperture 302; a support part 305 is formed between the central hole 302 and the water outlet 304;
the discharge valve 1 comprises a valve plate 105 (in the example, the top surface of the valve plate is of a plane structure, and the bottom surface of the valve plate is of a convex spherical crown structure matched with the diaphragm chamber), and a center post 102 arranged on the bottom surface of the valve plate 105; the central column 102 is arranged in the central hole 302, and the valve plate 105 seals the water outlet 304;
the pump head cover 2 is provided with a jacking part for jacking the top surface of the valve plate 105, and the jacking action of the jacking part on the valve plate 105 of the discharge valve and the tensioning action of the diaphragm chamber 3 on the neck part of the discharge valve are utilized, so that the sealing performance between the discharge valve 1 and the diaphragm chamber can be kept well under long-term work, the sealing performance attenuation under long-term use is reduced, and the service life is prolonged. In this example, the pressing portion includes an annular protrusion 201 coaxially arranged with the central hole 302, and a plurality of bosses 202 arranged around the annular protrusion 201 (the number and orientation of the bosses correspond to the water outlets one by one); the height of the boss 202 is higher than that of the annular protrusion 201 and is arranged corresponding to the support portion 305, and after the assembly is completed, the extrusion force applied to the valve sheet 105 by the boss 202 is transmitted to the support portion 305, so that the sealing effect between the valve sheet 105 and the diaphragm chamber (support portion) is better.
A first limiting boss 103 is arranged at the center of the bottom surface of the valve plate 105, and a second limiting boss 106 is arranged on the central column 102; a first limiting groove 301 matched with the first limiting boss 103 is formed at the top end of the central hole 302, and a second limiting groove 303 matched with the second limiting boss 106 is formed at the bottom end of the central hole; the first limiting boss 103 and the second limiting boss 106 are respectively embedded into the first limiting groove 301 and the second limiting groove 303, the exhaust valve 1 is fixed in the diaphragm chamber 3 by utilizing the upper and lower ends to limit and tension the exhaust valve 1, and the installation and long-term stable fixation of the exhaust valve 1 are realized.
The shape of the first limiting boss 103 is a regular polygon platform structure, the center post 102 is connected with the center of the first limiting boss 103, and the shape of the first limiting groove 301 is a regular polygon groove structure matched with the first limiting boss 103. In this example, the first limiting boss 103 is a square boss structure, and the first limiting groove 301 is a square groove structure.
One end, far away from the valve plate 105, of the second limiting boss 106 is of a circular truncated cone-shaped structure, and the inner wall, communicated with one end of the first limiting groove 301, of the central hole 302 is of a conical surface structure. When the discharge valve 1 is inserted and installed, the second limiting boss 106 is elastically deformed to pass through the central hole 302 and be clamped into the second limiting groove 303 on the other side by the matching of the conical surface structure and the circular truncated cone-shaped structure.
The bottom surface of the valve plate 105 is provided with strip-shaped grooves 101 which are radially arranged, the bottom surface of the valve plate 105 is divided into a plurality of sealing units 104, and each sealing unit 104 corresponds to the water outlet 304 one by one. The valve plate 105 is divided into a plurality of relatively independent sealing units 104 by the strip-shaped grooves 101, and the number and the orientation of the sealing units 104, the bosses 202 and the water outlets 304 are consistent. When the water outlet 304 is opened for drainage, the water pressure only pushes the sealing unit 104 at the position, and the boss 202 pushes the sealing unit 104 close to the center of the discharge valve 1 at the upper part, so that the stable positioning of the center of the discharge valve 1 is maintained, the problem of loosening of the discharge valve is relieved while drainage is considered, the long-term sealing effect is maintained, and the attenuation of the sealing performance of the diaphragm booster pump under long-term use is improved. In this example, the number of the strip-shaped grooves 101 is four, the four strip-shaped grooves are uniformly distributed on the bottom surface of the valve plate 105, and four corners of the first limiting boss 103 are respectively arranged corresponding to the four strip-shaped grooves 101.
Claims (10)
1. A fixing structure of a discharge valve of a diaphragm booster pump, comprising:
a pump head cover (2);
a diaphragm chamber (3) provided with a central hole (302) and a plurality of water outlets (304) arranged around the central hole (302); a support part (305) is formed between the central hole (302) and the water outlet (304);
the discharge valve (1) comprises a valve plate (105) and a center column (102) arranged on the bottom surface of the valve plate (105); the central column (102) is arranged in the central hole (302), and the valve plate (105) closes the water outlet (304);
the method is characterized in that: and a jacking part for jacking and pressing the top surface of the valve plate (105) is arranged on the pump head cover (2).
2. The fixing structure of the discharge valve of the membrane booster pump as set forth in claim 1, wherein: the pressing part comprises an annular bulge (201) which is coaxially arranged with the central hole (302), and a plurality of bosses (202) which are arranged around the annular bulge (201).
3. The fixing structure of the discharge valve of the membrane booster pump as set forth in claim 2, wherein: the height of the boss (202) is higher than that of the annular protrusion (201), the boss is arranged corresponding to the support part (305), and the valve plate (105) is abutted to the support part (305).
4. The fixing structure of the discharge valve of the membrane booster pump as set forth in claim 2, wherein: the number and the orientation of the bosses (202) correspond to the water outlets (304) one by one.
5. The fixing structure of the discharge valve of the membrane booster pump as set forth in claim 1, wherein: a first limiting boss (103) is arranged at the center of the bottom surface of the valve plate (105), and a second limiting boss (106) is arranged on the central column (102); a first limiting groove (301) matched with the first limiting boss (103) is formed at the top end of the central hole (302), and a second limiting groove (303) matched with the second limiting boss (106) is formed at the bottom end of the central hole; the first limiting boss (103) and the second limiting boss (106) are respectively embedded into the first limiting groove (301) and the second limiting groove (303), and the discharge valve (1) is installed.
6. The fixing structure of the discharge valve of the membrane booster pump as set forth in claim 5, wherein: the first limiting boss (103) is of a regular polygon platform structure, the central column (102) is connected with the center of the first limiting boss (103), and the first limiting groove (301) is of a regular polygon groove structure matched with the first limiting boss (103).
7. The fixing structure of the discharge valve of the membrane booster pump as set forth in claim 5, wherein: one end, far away from the valve plate (105), of the second limiting boss (106) is of a circular truncated cone-shaped structure.
8. The fixing structure of the discharge valve of the membrane booster pump as set forth in claim 5, wherein: the inner wall of one end, communicated with the first limiting groove (301), of the central hole (302) is of a conical surface structure.
9. The fixing structure of the discharge valve of the membrane booster pump as set forth in claim 1, wherein: the bottom surface of the valve plate (105) is provided with a plurality of strip-shaped grooves (101) which are radially arranged, the bottom surface of the valve plate (105) is divided into a plurality of sealing units (104), and the sealing units (104) correspond to the water outlets (304) one by one.
10. The fixing structure of the discharge valve of the membrane booster pump as set forth in claim 1, wherein: the top surface of the valve plate (105) is of a plane structure, and the bottom surface of the valve plate is of a convex spherical crown structure matched with the diaphragm chamber (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120687757.8U CN214616987U (en) | 2021-04-02 | 2021-04-02 | Fixing structure of discharge valve of diaphragm booster pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120687757.8U CN214616987U (en) | 2021-04-02 | 2021-04-02 | Fixing structure of discharge valve of diaphragm booster pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214616987U true CN214616987U (en) | 2021-11-05 |
Family
ID=78399247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120687757.8U Active CN214616987U (en) | 2021-04-02 | 2021-04-02 | Fixing structure of discharge valve of diaphragm booster pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214616987U (en) |
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2021
- 2021-04-02 CN CN202120687757.8U patent/CN214616987U/en active Active
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