CN105804988A - Valve block of diaphragm pump - Google Patents
Valve block of diaphragm pump Download PDFInfo
- Publication number
- CN105804988A CN105804988A CN201410852596.8A CN201410852596A CN105804988A CN 105804988 A CN105804988 A CN 105804988A CN 201410852596 A CN201410852596 A CN 201410852596A CN 105804988 A CN105804988 A CN 105804988A
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- CN
- China
- Prior art keywords
- valve block
- ball cover
- spherical surface
- half ball
- valve 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
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- Reciprocating Pumps (AREA)
- Check Valves (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention relates to a valve block of a diaphragm pump. The valve block comprises a hemispherical cover used for being matched with a valve seat of the diaphragm pump; elastic ribs are arranged on the inner spherical surface of the hemispherical cover, and positioning ribs are arranged on the outer spherical surface of the hemispherical cover; the valve block further comprises a connecting column connected to the hemispherical cover, the connecting column is connected into the valve seat, and the elastic ribs extend from the connecting column to the opening end of the hemispherical cover; and the valve block further comprises cutting grooves formed between the elastic ribs and the opening end of the hemispherical cover, and the cutting grooves penetrate to the outer spherical surface from the inner spherical surface. The thickness of the position, corresponding to a water outlet of the valve seat, of the small valve block is reduced, a thin wall part is formed, when a piston sucks water, the thin wall part is easier to deform under the effect of suction force so as to be fitted with the inner spherical surface of the valve seat, even though the valve seat is aged, the valve block can be well attached to the inner spherical surface, and the service life of the valve block is prolonged.
Description
Technical field
The invention belongs to membrane pump field, be specifically related to the valve block of a kind of membrane pump.
Background technology
Along with the raising of people's living standard, water purifier has started to enter huge numbers of families, but the problem that the membrane pump on existing water purifier easily produces after using a period of time to leak.This is caused due to existing barrier film pump structure and operation principle.Membrane pump mainly includes electric machine assembly and pump head, the pump head structure of existing a kind of membrane pump, and it is mainly by upper cover, O, valve block, valve seat, piston seat, delta-ring, small sucker, piston, screw, diaphragm, escapement, escapement seat etc..Having three boss on diaphragm, it forms three together with piston seat and seals altitude chamber.A piston it is provided with in each seal area, piston is provided with screw hole, piston is connected with escapement by screw, escapement is embedded with bearing, bearing is embedded with eccentric, eccentric is connected with the motor output shaft of electric machine assembly, by the combined effect of eccentric and escapement, drives piston to do reciprocal class rectilinear motion and carries out pump water.
As shown in Figures 4 and 5, it includes half ball cover 10 to existing a kind of barrier film valve block originally, and the spherical outside surface of half ball cover 10 is fitted with valve seat 50 inner surface.Half ball cover 10 is provided with joint pin 30, joint pin 30 is generally check valve, in order to realize irreversibly delivering of water between Internal Spherical Surface and spherical outside surface, this joint pin 30 is planted in valve seat 50 to realize the connection of valve block and valve seat 50, on the spherical outside surface of valve block, it is provided with three positioning bars 40 simultaneously, valve seat 50 offers the groove coordinated with positioning bar 40, by the cooperation of positioning bar 40 and groove, makes valve block be fitted in better on valve seat 50.The Internal Spherical Surface being typically in valve block is provided with three elastic rib 20, article three, elastic rib 20 extends from joint pin 30 to the opening of half ball cover 10, valve seat 50 is provided with discharge outlet, the effect of these three elastic rib 20 is to be pushed back by valve block on valve seat 50 by its elasticity in water absorption course, and fit tightly with it, osculum is blocked.Valve block is pushed away barrier film seat by the pressure produced by piston in drainage procedure, so that water is discharged from osculum.The valve block of this kind of structure, because doing opening and closing movement for a long time, in addition in pump working process, three altitude chamber are opened in turn, the different parts of valve block can be involved, and makes material easily produce fatigue deformation, and valve plate material is aging in addition, and the long-term stress effect of valve seat, also producing aging deformation, so after running after a while, valve block and valve seat cannot be fitted completely, and membrane pump thus can be made to produce decompression, the problems such as suction capacity declines, water yield minimizing.
In consideration of it, the problems referred to above are carried out deep research by the present inventor, this case is then had to produce.
Summary of the invention
It is an object of the invention to provide the valve block of a kind of longer service life, the better membrane pump of sealing effectiveness.
In order to achieve the above object, the present invention adopts such technical scheme:
A kind of valve block of membrane pump, including half ball cover in order to coordinate with the valve seat of membrane pump, the Internal Spherical Surface of half ball cover is provided with elastic rib, the spherical outside surface of half ball cover is provided with positioning bar, also including the joint pin being connected on half ball cover, joint pin is connected in valve seat, and elastic rib extends from joint pin to the opening of half ball cover, also including the slot segmentation being arranged between the opening of elastic rib and half ball cover, slot segmentation is through to spherical outside surface from Internal Spherical Surface.
As a kind of optimal way, described elastic rib is three, is uniformly connected to the outer wall of described joint pin radially, and every described elastic rib is correspondingly arranged a described slot segmentation, and described half ball cover is separated into three little valve blocks that size is identical by three described slot segmentations.
Further, described little valve block is provided with reinforcement near the edge of described slot segmentation, and reinforcement is arranged in the Internal Spherical Surface of described half ball cover.
Further, the position that described little valve block is corresponding with the apopore of described valve seat forms the thickness thinner wall section less than described little other position of valve block.
After adopting technical scheme, overcome different altitude chamber in prior art and open mutually involving between the valve block different parts caused in turn, improve sealing effectiveness, it is possible to extend the aging of valve block, improve the service life of valve block.
By arranging reinforcement to strengthen the elasticity of valve block, it is ensured that valve block uses for a long time, extend the service life of valve block.
Thinning by the thickness of the position that little valve block is corresponding with the apopore of described valve seat, form thinner wall section, when piston water-suction, this thinner wall section is more prone to deformation under the effect of suction and fits with the Internal Spherical Surface of valve seat, even if because valve seat is aging, the valve block of the present invention also is able to be fitted in Internal Spherical Surface well, and sealing effectiveness is good, extends the service life of valve block.
Accompanying drawing explanation
The structural representation of Fig. 1 present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 is the structural representation that the present invention coordinates valve seat；
Fig. 4 is the structural representation of prior art middle valve plate；
Fig. 5 is the structural representation that prior art middle valve plate coordinates valve seat；
In figure:
10-half ball cover 11-thinner wall section
12-opening 20-joint pin
30-elastic rib 40-positioning bar
50-valve seat 51-apopore
60-slot segmentation 70-reinforcement
Detailed description of the invention
In order to technical scheme is explained further, it is described in detail below in conjunction with accompanying drawing.
Referring to figs. 1 through Fig. 3, a kind of valve block of membrane pump, including half ball cover 10 in order to coordinate with the valve seat 50 of membrane pump, the Internal Spherical Surface of half ball cover 10 is provided with elastic rib 30, the spherical outside surface of half ball cover 30 is provided with positioning bar 40, also including the joint pin 20 being connected on half ball cover 10, joint pin 20 is connected in valve seat 50, and elastic rib 30 extends from joint pin 20 to the opening of half ball cover 10.Present invention additionally comprises the slot segmentation 60 being arranged between elastic rib 30 and the opening 12 of half ball cover 10, slot segmentation 60 is through to spherical outside surface from Internal Spherical Surface.
As a kind of optimal way, described elastic rib 30 is three, uniformly it is connected to the outer wall of described joint pin 20 radially, every described elastic rib 30 is correspondingly arranged a described slot segmentation 60, described half ball cover 10 is separated into the little valve block that size is identical by three slot segmentations 60, one end of little valve block is connected with joint pin 20 and elastic rib 30, the other end is free end, by half ball cover 10 is divided into three little valve blocks, it is to avoid in membrane pump, three high-pressure chamber open in turn and mutually involve between the different parts causing half ball cover.
Improving further as the present invention, described little valve block is provided with reinforcement 70 near the edge of described slot segmentation 60, and reinforcement 70 is arranged in described Internal Spherical Surface, and such each little valve block arranges two reinforcements 70 to increase the elasticity of little valve block.
As a further improvement on the present invention, the position that described little valve block is corresponding with the apopore 51 of described valve seat 50 forms the thickness thinner wall section 11 less than described little other position of valve block.When the piston water-suction of membrane pump, this thinner wall section 11 can be fitted with the Internal Spherical Surface of valve seat 50 better.
The product form of the present invention is not limited to this case diagram and embodiment, and it is carried out the suitably change of similar thinking or modifies by anyone, all should be regarded as the patent category without departing from the present invention.
Claims (4)
1. the valve block of a membrane pump, including half ball cover in order to coordinate with the valve seat of membrane pump, the Internal Spherical Surface of half ball cover is provided with elastic rib, the spherical outside surface of half ball cover is provided with positioning bar, also including the joint pin being connected on half ball cover, joint pin is connected in valve seat, and elastic rib extends from joint pin to the opening of half ball cover, it is characterized in that: also including the slot segmentation being arranged between the opening of elastic rib and half ball cover, slot segmentation is through to spherical outside surface from Internal Spherical Surface.
2. the valve block of membrane pump as claimed in claim 1, it is characterized in that: described elastic rib is three, uniformly it is connected to the outer wall of described joint pin radially, every described elastic rib is correspondingly arranged a described slot segmentation, and described half ball cover is separated into three little valve blocks that size is identical by three described slot segmentations.
3. the valve block of membrane pump as claimed in claim 2, it is characterised in that: described little valve block is provided with reinforcement near the edge of described slot segmentation, and reinforcement is arranged in the Internal Spherical Surface of described half ball cover.
4. the valve block of membrane pump as claimed in claim 2, it is characterised in that: the position that described little valve block is corresponding with the apopore of described valve seat forms the thickness thinner wall section less than described little other position of valve block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410852596.8A CN105804988A (en) | 2014-12-31 | 2014-12-31 | Valve block of diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410852596.8A CN105804988A (en) | 2014-12-31 | 2014-12-31 | Valve block of diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105804988A true CN105804988A (en) | 2016-07-27 |
Family
ID=56420733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410852596.8A Pending CN105804988A (en) | 2014-12-31 | 2014-12-31 | Valve block of diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105804988A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578287A (en) * | 2019-01-25 | 2019-04-05 | 陆挚译 | A kind of Novel delivery pump |
| JP7506613B2 (en) | 2021-01-26 | 2024-06-26 | マブチモーターオーケン株式会社 | Diaphragm pump |
-
2014
- 2014-12-31 CN CN201410852596.8A patent/CN105804988A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578287A (en) * | 2019-01-25 | 2019-04-05 | 陆挚译 | A kind of Novel delivery pump |
| CN109578287B (en) * | 2019-01-25 | 2020-08-07 | 卡川尔流体科技(上海)有限公司 | Conveying pump |
| JP7506613B2 (en) | 2021-01-26 | 2024-06-26 | マブチモーターオーケン株式会社 | Diaphragm pump |
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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: 20160727 |
|
| WD01 | Invention patent application deemed withdrawn after publication |