CN208416886U - diaphragm assembly, stabilized pressure pump and water purifier - Google Patents
diaphragm assembly, stabilized pressure pump and water purifier Download PDFInfo
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- CN208416886U CN208416886U CN201821076012.2U CN201821076012U CN208416886U CN 208416886 U CN208416886 U CN 208416886U CN 201821076012 U CN201821076012 U CN 201821076012U CN 208416886 U CN208416886 U CN 208416886U
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Abstract
The utility model provides a kind of diaphragm assembly, stabilized pressure pump and water purifier.Diaphragm assembly includes: diaphragm pedestal, and multiple cam holes are provided on diaphragm pedestal, and the periphery of cam hole is provided with first annular sealing；Diaphragm pressing plate, multiple diaphragm cavity upper impressions are provided on diaphragm pressing plate, multiple diaphragm cavity upper impressions are arranged correspondingly with multiple cam holes, and the second annular seal is provided in diaphragm cavity upper impression, have sealing plane between diaphragm cavity upper impression and the second annular seal；Diaphragm, diaphragm are pressed between diaphragm pedestal and diaphragm pressing plate by diaphragm pressing plate, and first annular sealing is set in the outside or inside of the second annular seal.The utility model can effectively improve the leakproofness of the diaphragm cavity in membrane module, it is therefore prevented that channelling phenomenon between negative pressure loss and chamber improves the self-priming performance of stabilized pressure pump, voltage regulation performance, reliability of service life is available to be obviously improved.
Description
Technical field
The utility model relates to purifier technical fields, in particular to a kind of diaphragm assembly, stabilized pressure pump and water purification
Machine.
Background technique
In recent years, water purifier rapidly enters average family.Stabilized pressure pump is as water purifier core drive component, it is ensured that output is permanent
Reliable hydraulic pressure is determined to guarantee the reliably working of RO film, and the diaphragm chamber in stabilized pressure pump is by water outlet pressure plate, diaphragm two zero
Part is formed by the extruding of pump cover and the support of diaphragm pedestal, and the extruded parts of especially two parts needs close fit,
The sealing that can guarantee diaphragm cavity reduces the negative pressure loss of diaphragm cavity, it is ensured that the self-priming performance of stabilized pressure pump, voltage regulation performance, service life can
By key indexes such as property.
Existing stabilized pressure pump includes pump case, diaphragm pressing plate, diaphragm, diaphragm pedestal, eccentric balance wheel, eccentric cam, water pump
The structures such as motor.Plane where 3 yaw holes of diaphragm pedestal, i.e. the installation supporting surface of diaphragm are plane, and yaw hole
Edge such as is at the radius chamfers.
Above-mentioned diaphragm pedestal is easy to cause diaphragm installation supporting surface to be recessed in the injection molding of diaphragm pedestal or die casting
Or uneven situation, and then the sealing effect of membrane compresses chamber is influenced, it reduces the comprehensive performances such as self-priming, the pressure stabilizing of stabilized pressure pump and refers to
Mark.It is along radial the characteristics of becoming larger, separate that the well-known technique, which does not consider that the axial direction of eccentric wheel agitates amplitude, yet simultaneously
Pain spot in the industries such as center position, be easy to cause diaphragm to be squeezed folder and deform and then be torn, and generation leak, motor are burnt
Problem.
Utility model content
The main purpose of the utility model is to provide a kind of diaphragm assembly, stabilized pressure pump and water purifiers, to solve existing skill
The problem of poor sealing effect of the membrane compresses chamber of art interval membrane module.
To achieve the goals above, one aspect according to the present utility model provides a kind of diaphragm assembly, comprising: every
Film pedestal is provided with multiple cam holes on the diaphragm pedestal, and the periphery of the cam hole is provided with first annular sealing；Every
Membrane pressure plate, is provided with multiple diaphragm cavity upper impressions on the diaphragm pressing plate, multiple diaphragm cavity upper impressions with it is multiple described convex
Wheel bore is arranged correspondingly, is provided with the second annular seal in the diaphragm cavity upper impression, the diaphragm cavity upper impression with
There is sealing plane between second annular seal；Diaphragm, the diaphragm are pressed on institute by the diaphragm pressing plate
It states between diaphragm pedestal and the diaphragm pressing plate, and the first annular sealing is set in the outer of second annular seal
Portion or inside.
Further, the first annular sealing is first annular protrusion.
Further, second annular seal is the second annular protrusion.
Further, the first annular sealing and second annular seal are coaxially set with the cam hole
It sets.
Further, the height of the first annular protrusion is H1, outer diameter D1, and the height of second annular protrusion is
H2, outer diameter D2, wherein H2 > H1, D2 > D1；Or H2 < H1, D2 < D1.
Further, the cam hole is three, and three cam holes are arranged along three vertex of equilateral triangle.
Further, variable diameter arc is provided between the outer wall of the cam hole and the inner wall of the first annular sealing
The radius in face, the variable diameter cambered surface becomes larger from the center of the diaphragm pedestal to outer peripheral direction.
Further, the variable diameter cambered surface is convex globoidal.
Another aspect according to the present utility model, provides a kind of stabilized pressure pump, including diaphragm assembly, and the diaphragm assembly is
Above-mentioned stabilized pressure pump.
It is according to the present utility model in another aspect, provide a kind of water purifier, including stabilized pressure pump, the stabilized pressure pump is above-mentioned
Stabilized pressure pump.
It is first annular close due to being provided on the diaphragm pedestal in the utility model using the technical solution of the utility model
Envelope portion, is provided with the second annular seal on diaphragm pressing plate, and when actual assembled, diaphragm pressing plate is pressed on diaphragm pedestal, in turn
Diaphragm is fixed between diaphragm pressing plate and diaphragm pedestal, after assembling, face sealing is realized by sealing plane, by the
Annular linear sealing is realized in the effect of one annular seal and the second annular seal, effectively increases the diaphragm in diaphragm assembly
The sealing of chamber, it is therefore prevented that channelling phenomenon between negative pressure loss and chamber improves the self-priming performance of stabilized pressure pump, voltage regulation performance, service life
Reliability is available to be obviously improved.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 diagrammatically illustrates the cross-sectional view of the diaphragm assembly of the utility model；
Fig. 2 diagrammatically illustrates the enlarged drawing in the region I in Fig. 1；
Fig. 3 diagrammatically illustrates the partial sectional view of the diaphragm assembly of the utility model；
Fig. 4 diagrammatically illustrates the main view of the diaphragm pedestal of the utility model；
Fig. 5 diagrammatically illustrates the A-A cross-sectional view in Fig. 4；
Fig. 6 diagrammatically illustrates the perspective view of the diaphragm pedestal of the utility model；
Fig. 7 diagrammatically illustrates the bottom view of the diaphragm pressing plate of the utility model；
Fig. 8 diagrammatically illustrates the cross-sectional view of the diaphragm pressing plate of the utility model；And
Fig. 9 diagrammatically illustrates the partial sectional view of the stabilized pressure pump of the utility model.
Wherein, the above drawings include the following reference numerals:
10, diaphragm pedestal；11, cam hole；12, first annular sealing；13, variable diameter cambered surface；20, diaphragm pressing plate；21, every
Membrane cavity upper impression；22, the second annular seal；23, sealing plane；30, diaphragm；40, outlet valve；50, inlet valve.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Referring to shown in Fig. 1 to Fig. 9, embodiment according to the present utility model provides a kind of water dispenser, in the present embodiment
Water dispenser includes stabilized pressure pump, in order to improve the performance of the stabilized pressure pump in the present embodiment, diaphragm assembly of the present embodiment to stabilized pressure pump
It is improved.
Specifically, the diaphragm assembly in the present embodiment includes diaphragm pedestal 10, diaphragm pressing plate 20 and diaphragm 30.
Wherein, multiple cam holes 11 are provided on diaphragm pedestal 10, the periphery of cam hole 11 is provided with first annular sealing
Portion 12；Multiple diaphragm cavity upper impressions 21, multiple diaphragm cavity upper impressions 21 and multiple cam holes 11 1 are provided on diaphragm pressing plate 20
One is arranged in correspondence with, and the second annular seal 22, diaphragm cavity upper impression 21 and the second annular are provided in diaphragm cavity upper impression 21
There is sealing plane 23 between sealing 22；Diaphragm 30 is pressed on diaphragm pedestal 10 and diaphragm pressing plate by diaphragm pressing plate 20
Between 20, and first annular sealing 12 is set in the outside or inside of the second annular seal 22.
By being provided with first annular sealing 12 on diaphragm pedestal 10 in this present embodiment, it is provided on diaphragm pressing plate 20
Second annular seal 22, when actual assembled, diaphragm pressing plate 20 is pressed on diaphragm pedestal 10, and then diaphragm 30 is fixed on
Between diaphragm pressing plate 20 and diaphragm pedestal 10, after assembling, face sealing is realized by sealing plane 23, by first annular close
Annular linear sealing is realized in the effect of envelope portion 12 and the second annular seal 22, effectively increases the diaphragm cavity in diaphragm assembly
Sealing, it is therefore prevented that channelling phenomenon between negative pressure loss and chamber improves the self-priming performance of stabilized pressure pump, voltage regulation performance, and the service life is reliable
Property is available to be obviously improved.
Preferably, the first annular sealing 12 in the present embodiment is first annular protrusion, and the second annular seal 22 is
Second annular protrusion, first annular sealing 12 and the second annular seal 22 are coaxially disposed with cam hole 11, can protected
Certain face sealing is increased while demonstrate,proving common linear sealing performance, is effectively increased the sealing of diaphragm cavity, is prevented stabilized pressure pump
Negative pressure loss and chamber between occur channelling phenomenon.
Certainly, in the other embodiments of the utility model, first annular sealing 12 and the second annular seal 22 are also
The coaxial arrangement of cam hole 11 can be deviateed, as long as can be improved the leakproofness of diaphragm cavity, prevent the negative pressure of stabilized pressure pump lose and
The other structures that channelling phenomenon occurs between chamber, both are within the protection scope of the present invention.
In a kind of preferred embodiment of the utility model, the height of first annular protrusion is H1, outer diameter D1, second
The height of annular protrusion is H2, outer diameter D2, wherein H2 > H1, D2 > D1, at this point, first annular protrusion and the second convex annular
It rises and realizes apparent linear sealing at position, convenient for realizing main sealing function to diaphragm cavity.
Certainly, in another embodiment of the utility model, H2 < H1, D2 < D1 can also be made, as long as in this reality
With other modes of texturing under novel design, it both is within the protection scope of the present invention.
Preferably, the cam hole 11 in the present embodiment is three, and three cam holes 11 are along three vertex of equilateral triangle
Arrangement, certainly, in the other embodiments of the utility model, can also set three or more for cam hole 11.
It recombines shown in Fig. 1 to Fig. 9, the outer wall of the cam hole 11 in the present embodiment is interior with first annular sealing 12
Variable diameter cambered surface 13 is provided between wall, the radius of variable diameter cambered surface 13 gradually becomes from the center of diaphragm pedestal 10 to outer peripheral direction
Greatly, the big feature of 30 amount of agitating of diaphragm far from central part is adapted to, generation diaphragm 30 is avoided to be squeezed the wind that folder is torn
Danger, improves the reliability of complete machine well.
Preferably, variable diameter cambered surface 13 is that convex globoidal certainly can also be by variable diameter in the other embodiments of the utility model
Cambered surface 13 is set as cancave cambered surface or inclined-plane etc., as long as other modes of texturing under the design of the utility model, at this
Within the protection scope of utility model.
According to the above embodiments it is recognised that 10 fitting surface of diaphragm pedestal of the utility model is disposed with several first rings
Shape boss, first annular boss are arranged concentrically with cam hole 11, and cam hole 11 is triangular in shape point of 10 center of diaphragm pedestal
The macropore of cloth, a height of H1 of first annular boss, diameter D1, the radius of variable diameter cambered surface 13 is from the center of diaphragm pedestal 10 to outer
The direction at edge becomes larger, to adapt to 30 amount of agitating of diaphragm along radial the characteristics of becoming, the starting circular arc of variable diameter cambered surface 13
Radius is Ra, and termination arc radius is Rb, and Ra < Rb, the quantity of the first annular boss of the present embodiment are 3.
Diaphragm pressing plate 20 is provided with diaphragm cavity upper impression 21 above, plays the second annular convex platform of critical seal, and second
Annular convex platform closure is looped around 21 periphery of diaphragm cavity upper impression, and the circular portion diameter of the second annular convex platform is D2, the second annular
The height of boss is H2.It is sealing plane 23, sealing plane 23 and between the second annular convex platform and diaphragm cavity upper impression 21
The bottom plane of second ring boss is contour.
Referring to shown in Fig. 1 to Fig. 9, outlet valve 40 and inlet valve 50 are provided on diaphragm pressing plate 20.On diaphragm pressing plate 20
The diameter D2 of the circular arc portion of second annular convex platform is greater than the diameter D1 of the first annular boss on diaphragm pedestal 10, i.e. D2 >
D1, the height H2 of first annular boss are greater than the height of the first annular boss H1, i.e. H2 > H1.Diaphragm 30 is by diaphragm pressing plate
20 are pressed on diaphragm pedestal 10, then mix outlet valve 40 and inlet valve 50 and form diaphragm cavity, diaphragm cavity there are face sealing domain and
Linear sealing domain can greatly improve the ability of the high hydraulic pressure impact of resistance of diaphragm cavity, avoid occurring channelling between diaphragm cavity, leakage
The disadvantages of.At the same time, because having variable diameter cambered surface 13, the big feature of the diaphragm amount of agitating far from central part is adapted to, is kept away
Exempt from generation diaphragm 30 and be squeezed the risk that folder is torn, improves the reliability of complete machine well.
The suction capacity of the stabilized pressure pump of the utility model, pressure stabilizing ability can be all obviously improved, while reliability of operation
Also can be improved to a certain degree.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
The diaphragm cavity of the stabilized pressure pump of the utility model realizes face and squeezes sealing and line extruding sealing dual-seal form, every
The face that film pedestal and diaphragm pressing plate extruded parts increase certain face domain seals, while not destroying common linear sealing structure again,
Effectively increase the sealing of diaphragm cavity, it is therefore prevented that channelling phenomenon between negative pressure loss and chamber.
At the edge of cam hole there is a variable diameter cambered surface simultaneously, radius value becomes larger along radial direction, which can be with
The characteristics of diaphragm pedestal agitates motion intense far from diaphragm at radial direction is adapted to, diaphragm is allowed to have biggish change at separate radial direction
Shape space avoids that stress concentration occurs, tears diaphragm.Due to using the stabilized pressure pump of the diaphragm assembly in the utility model,
Self-priming performance, voltage regulation performance, reliability of service life is available to be obviously improved.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of diaphragm assembly characterized by comprising
Diaphragm pedestal (10) is provided with multiple cam holes (11) on the diaphragm pedestal (10), the periphery of the cam hole (11)
It is provided with first annular sealing (12)；
Diaphragm pressing plate (20) is provided with multiple diaphragm cavity upper impressions (21), multiple diaphragm cavities on the diaphragm pressing plate (20)
Upper impression (21) is arranged correspondingly with multiple cam holes (11), is provided with second on the diaphragm cavity upper impression (21)
Annular seal (22) has sealing plane between the diaphragm cavity upper impression (21) and second annular seal (22)
(23)；
Diaphragm (30), the diaphragm (30) are pressed on the diaphragm pedestal (10) and described by the diaphragm pressing plate (20)
Between diaphragm pressing plate (20), and the first annular sealing (12) be set in second annular seal (22) outside or
It is internal.
2. diaphragm assembly according to claim 1, which is characterized in that the first annular sealing (12) is first annular
Protrusion.
3. diaphragm assembly according to claim 2, which is characterized in that second annular seal (22) is the second annular
Protrusion.
4. diaphragm assembly according to claim 1, which is characterized in that the first annular sealing (12) and described second
Annular seal (22) is coaxially disposed with the cam hole (11).
5. diaphragm assembly according to claim 3, which is characterized in that the height of the first annular protrusion is H1, outer diameter
For D1, the height of second annular protrusion is H2, outer diameter D2, wherein H2 > H1, D2 > D1；Or H2 < H1, D2 <
D1。
6. diaphragm assembly according to claim 1, which is characterized in that the cam hole (11) is three, and three described convex
Wheel bore (11) is arranged along three vertex of equilateral triangle.
7. diaphragm assembly according to claim 1, which is characterized in that the outer wall and first ring of the cam hole (11)
It is provided between the inner wall of shape sealing (12) variable diameter cambered surface (13), the radius of the variable diameter cambered surface (13) is from the diaphragm pedestal
(10) center becomes larger to outer peripheral direction.
8. diaphragm assembly according to claim 7, which is characterized in that the variable diameter cambered surface (13) is convex globoidal.
9. a kind of stabilized pressure pump, including diaphragm assembly, which is characterized in that the diaphragm assembly is any one of claims 1 to 8 institute
The stabilized pressure pump stated.
10. a kind of water purifier, including stabilized pressure pump, which is characterized in that the stabilized pressure pump is stabilized pressure pump as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076012.2U CN208416886U (en) | 2018-07-06 | 2018-07-06 | diaphragm assembly, stabilized pressure pump and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076012.2U CN208416886U (en) | 2018-07-06 | 2018-07-06 | diaphragm assembly, stabilized pressure pump and water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208416886U true CN208416886U (en) | 2019-01-22 |
Family
ID=65125288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821076012.2U Active CN208416886U (en) | 2018-07-06 | 2018-07-06 | diaphragm assembly, stabilized pressure pump and water purifier |
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| Country | Link |
|---|---|
| CN (1) | CN208416886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757409A (en) * | 2018-07-06 | 2018-11-06 | 珠海格力电器股份有限公司 | diaphragm assembly, stabilized pressure pump and water purifier |
-
2018
- 2018-07-06 CN CN201821076012.2U patent/CN208416886U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757409A (en) * | 2018-07-06 | 2018-11-06 | 珠海格力电器股份有限公司 | diaphragm assembly, stabilized pressure pump and water purifier |
| CN108757409B (en) * | 2018-07-06 | 2023-08-25 | 珠海格力电器股份有限公司 | Diaphragm assembly, pressure stabilizing pump and water purifier |
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