CN103591013A - Stabilized pressure pump and water purifier - Google Patents
Stabilized pressure pump and water purifier Download PDFInfo
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- CN103591013A CN103591013A CN201310608212.3A CN201310608212A CN103591013A CN 103591013 A CN103591013 A CN 103591013A CN 201310608212 A CN201310608212 A CN 201310608212A CN 103591013 A CN103591013 A CN 103591013A
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Abstract
The invention provides a stabilized pressure pump and a water purifier. The stabilized pressure pump is provided with a shell body, wherein the shell body is fixed to a base body through a fixing piece, a water outlet pressure plate and a diaphragm piece are arranged between the shell body and the base body, at least one first surface of the shell body abuts against at least one second surface of the diaphragm piece, at least one first flange which protrudes in the direction of the diaphragm piece is arranged on the first surface, and the first flange is pressed on the second surface. The water purifier is provided with a machine shell, and the stabilized pressure pump, a filter element and the like are arranged in the machine shell. The stabilized pressure pump is simple in sealing structure and simple in assembling process, and sealing between the shell body and a base can be effectively achieved.
Description
Technical field
The present invention relates to water purification plant field, especially relate to the stabilized pressure pump that a kind of water purifier and this water purifier are used.
Background technique
Along with the raising of people's living standard, the development of water purification technology, the sanitary condition of potable water has become the focus that people pay close attention to, and increasing water purifier enters ordinary family.Existing water purifier has a casing, and casing is provided with into water port and water outlet port, and water inlet port is connected with the first-class water supply terminal of the fire hose, and the water after purification flows out through water outlet port.
Conventionally, in the casing of water purifier, multi-stage filter core is set, and between two-stage filter core, stabilized pressure pump is set, stabilized pressure pump is as water purifier core component, and the quality of its quality often has important impact to the quality of water purifier.
Referring to Fig. 1, stabilized pressure pump has a housing 10, housing 10 is provided with water intake 11 and water outlet 12, water intake 11 is connected with the water supply connector in water purifier, water outlet 12 is connected with the water output connector in water purifier, tap water, after first order filter core,, and flows out through water output connector from water outlet 12 through water intake 11 stabilized pressure pump of flowing through from water supply connector.
Referring to Fig. 2, housing 10 is mounted and fixed on pedestal 15, and housing 10 is provided with through hole, and pedestal 15 is provided with tapped hole, and screw 16 passes the through hole on housing 10 and screws in the tapped hole on pedestal 15, thus housing 10 is fixed on pedestal 15.For fear of the water in stabilized pressure pump from the gap leakage between pedestal 15 and housing 10, the seal ring 19 of diaphragm 17, water outlet pressure plate 18 and annular is set conventionally between housing 10 and pedestal 15, diaphragm 17 is arranged on pedestal 15, water outlet pressure plate 18 is arranged between housing 10 and diaphragm 17, and seal ring 19 is arranged between housing 10 and water outlet pressure plate 18.
Referring to Fig. 3, diaphragm 17 is made by elastic material, as made by materials such as rubber, and at the peripheral region of diaphragm 17, is provided with the flange 20 of ring-type, is provided with the flange 21 of another ring-type in flange 20, and the height of flange 21 is lower than the height of flange 20.The lower surface adjacency of the upper surface of flange 20 and housing 10, and the perisporium internal surface of housing 10 is connected with the outer surface of flange 20, and flange 20 is clamped between housing 10 and water outlet pressure plate 18.Flange 21 is connected with the internal surface of a groove of water outlet pressure plate 18, by the groove of water outlet pressure plate 18, to flange 21, carries out spacing.Seal ring 19 is by housing 10, water outlet pressure plate 18 and diaphragm 17 clampings.
But stabilized pressure pump is after long-time running, can there is creep in seal ring 19 for a long time under effect of stress, and creep meeting partly disappears the resiliently deformable of seal ring 19, and sealability declines.And, during stabilized pressure pump work, per minute the pumping of diaphragm 17 is approximately 2000 times, after being knocked a period of time, seal ring 19 can cause the thickness attenuation of seal ring 19, finally cause seal ring 19, diaphragm 17 to form gap leakage 25 with pump case 10, as shown in Figure 4, the water in stabilized pressure pump, from seepage gap leakage, causes stabilized pressure pump to occur the phenomenon of seepage.
Summary of the invention
Main purpose of the present invention is to provide a kind of stabilized pressure pump of effectively avoiding Seepage to occur.
Another object of the present invention is to provide the not water purifier of easy to leak of the interior current of a kind of stabilized pressure pump.
For realizing main purpose of the present invention, stabilized pressure pump provided by the invention has housing, housing is fixed on pedestal by fixed block, water outlet pressure plate and diaphragm are installed between housing and pedestal, at least one second surface adjacency of at least one first surface of housing and diaphragm, wherein, first surface is provided with at least one the first flanges to diaphragm direction projection, and the first flange is pressed on second surface.
From such scheme, by the first flange is set on first surface, and the first flange is pressed on diaphragm, during stabilized pressure pump work, diaphragm high speed vibration can not wriggled yet, diaphragm is clamped between housing and base all the time, avoids water to go out from the gap leakage between housing and base.
A preferred scheme is, the quantity of first surface is more than two, is equipped with at least one the first flanges on each first surface.
As can be seen here, many first flanges are set on a plurality of surfaces of housing, can better diaphragm be fixed between housing and base.
Further scheme is, housing axially on, a plurality of first surfaces are positioned in the plane of different heights.
Visible, by the first flange on different heights, diaphragm is clamped, be conducive to housing axially on diaphragm is fixed.
Further scheme is, at least one the 4th surperficial adjacency of at least one of water outlet pressure plate the 3rd surface and diaphragm, and the 3rd surface is provided with at least one the second flanges that extend to diaphragm direction, and the second flange is pressed on the 4th surface.
Visible, the second flange arranging on water outlet pressure plate is also pressed on diaphragm, makes diaphragm also relatively fixing with respect to the position of water outlet pressure plate, avoids water to go out from the gap leakage between water outlet pressure plate and housing, pedestal.
Further scheme is, at diaphragm in the radial direction, the first flange and the second flange are positioned on the circumference of different-diameter.
As can be seen here, the first flange and the second flange are on the circumference of different-diameter, and diaphragm can be fixed between housing, pedestal and water outlet pressure plate better.
Further scheme is, the abut outer surfaces of the internal surface of housing perisporium and the perisporium of diaphragm, and the axis of internal surface and housing is obliquely installed, the perisporium of housing is greater than the internal diameter away from diaphragm one side near the internal diameter of diaphragm one side, and the external diameter of diaphragm perisporium is greater than housing perisporium away from the internal diameter of diaphragm one side.
Visible, between housing and diaphragm, not only by the first flange, be fixed, also by the perisporium of housing and the interference fit between diaphragm perisporium, be fixed, avoid current to go out from the gap leakage between diaphragm and housing.
For realizing another object of the present invention, water purifier provided by the invention has casing, stabilized pressure pump is installed in casing, stabilized pressure pump has housing, and housing is fixed on pedestal by fixed block, and water outlet pressure plate and diaphragm are installed between housing and pedestal, at least one second surface adjacency of at least one first surface of housing and diaphragm, wherein, first surface is provided with at least one the first flanges to diaphragm direction projection, and the first flange is pressed on second surface.
From such scheme, the housing of stabilized pressure pump compresses diaphragm by the first flange, and resiliently deformable occurs diaphragm thus, and by the gap sealing between housing and pedestal, avoids water to go out from the gap leakage between housing and pedestal.And diaphragm is compressed rear difficult generation creep, good seal performance by the first flange.
Accompanying drawing explanation
Fig. 1 is the structural drawing of existing stabilized pressure pump.
Fig. 2 is the partial structurtes enlarged view of existing stabilized pressure pump.
Fig. 3 is the partial structurtes enlarged view of Fig. 2.
Fig. 4 is the structure enlarged view that gap leakage appears in existing stabilized pressure pump.
Fig. 5 is stabilized pressure pump embodiment's of the present invention partial structurtes exploded view.
Fig. 6 is the partial enlarged drawing at A place in Fig. 5.
Fig. 7 is the partial enlarged drawing at B place in Fig. 5.
Fig. 8 is the partial enlarged drawing at C place in Fig. 5.
Fig. 9 is the local structural graph of stabilized pressure pump of the present invention.
Figure 10 is the partial structurtes enlarged view of Fig. 9.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Water purifier of the present invention is for purifying tap water etc., water purifier has a casing, casing is provided with into water port and water outlet port, and in casing, be provided with multi-stage filter core and stabilized pressure pump, tap water flows to water purifier from water inlet port, through the filtration of multi-stage filter core, and after the voltage stabilizing of stabilized pressure pump, from water outlet port, flow out.
Referring to Fig. 5, in stabilized pressure pump, be provided with pedestal 40, the housing 30 of stabilized pressure pump is arranged on pedestal 40, and between housing 30 and pedestal 40, water outlet pressure plate 41 and diaphragm 50 is installed.Housing 30 is provided with a through hole 61, is provided with tapped hole 62 in pedestal 40, and screw 60 passes through hole 61 and screws in tapped hole 62, thus housing 30 is fixed on pedestal 40.
Referring to Fig. 6, the peripheral region of housing 30 is provided with perisporium 35, and the lower surface 31 of housing 30 diapires is roughly plane, and lower surface 31 extends to form a circle flange 32 in the direction of diaphragm 50, and flange 32 is along the circumferential extension of housing 30, and flange 32 is annular.As seen from Figure 6, flange 32 is positioned at lower surface 31 near perisporium 35 places.
On the outer surface 33 of the end of perisporium 35, be also provided with flange 34, flange 34 extends to diaphragm 50 directions from outer surface 33, and flange 34 is also the circumferential extension along housing 30, and flange 34 be annular.Housing 30 axially on, lower surface 31 is positioned on two horizontal planes of different heights with outer surface 33, so flange 32 and flange 34 are to be also positioned in two different planes of different heights.
The internal surface 36 of perisporium 35 is not parallel to the axis of housing 30, but is obliquely installed with the axis of housing 30.As seen from Figure 6, in the footpath of housing 30, make progress, the thickness of perisporium 35 increases to housing 30 main bodys gradually from its end, so the internal surface 36 of perisporium 35 outer end 37 is certainly close to the axis of housing 30 gradually to the inner 38.
The Fig. 5 that sees you later, perisporium 35 is D1 near the internal diameter of diaphragm 50 1 sides, and is D2 away from the internal diameter of diaphragm 50 1 sides, and inner diameter D 1 is greater than inner diameter D 2, perisporium 35 is greater than the internal diameter away from diaphragm 50 1 sides near the internal diameter of diaphragm 50 1 sides.
Referring to Fig. 7, the lower surface 42 of water outlet pressure plate 41 is provided with a circle flange 43, and flange 43 extends to diaphragm 50 directions from lower surface 42, and flange 43 is ring-type, and along the circumferential extension of water outlet pressure plate 41.The lower end of water outlet pressure plate 41 is provided with groove 44, and groove 44 upwards caves in from the lower surface of water outlet pressure plate 41, and groove 44 is near the peripheral region of water outlet pressure plate 50.Footpath at water outlet pressure plate 41 makes progress, and flange 43 is positioned at the inner side of groove 44.
Referring to Fig. 8, diaphragm 50 is by having flexible material, as the materials such as rubber are made, and be arranged on pedestal 40, diaphragm 50 is provided with the diaphragm 51 of flat, the peripheral region of diaphragm 51 is provided with flange 52 and the flange 54 extending to housing 50 directions from diaphragm 51, diaphragm 50 axially on, the height of flange 52 is greater than the height of flange 54, in the footpath of diaphragm 50, makes progress, and flange 54 is positioned at the inner side of flange 52.And, between flange 52 and flange 54, be provided with groove 55.
Review Fig. 5, flange 52 is positioned on the periphery of diaphragm 50, therefore flange 52 is the perisporium of diaphragm 50, and, the perisporium 35 that the outer diameter D 3 of diaphragm 50 perisporiums is greater than housing 30 is D2 away from the internal diameter of diaphragm 50 1 sides, but the perisporium 35 that is less than housing 30 is D1 near the internal diameter of diaphragm 50 1 sides.
The upper surface 56 of flange 52 and lower surface 31 adjacency of housing 30, the lower surface 57 of flange 52 is connected with the outer surface 33 of housing 30 perisporiums 35, and the upper surface 58 of diaphragm 51 and lower surface 42 adjacency of water outlet pressure plate 41.
Referring to Fig. 9 and Figure 10, during holder housing 30, first diaphragm 50 is installed on pedestal 40, then water outlet pressure plate 41 is fixed on diaphragm 50, finally housing 30 is installed on water outlet pressure plate 41, uses screw 60 through housing 30 and pedestal 40, housing 30 is fixed on pedestal 40.
In addition, the flange 43 of water outlet pressure plate 41 is pressed on the upper surface 58 of diaphragm 51 of diaphragm 50, and diaphragm 50, on upper surface 58, elastic strain occurs.Footpath at diaphragm 50 makes progress, and flange 32, flange 34 and flange 43 lay respectively on the different circumference of diameter.Like this, by the different flange of axial height, the footpath different flange of circle diameter that makes progress, diaphragm 50 is fixed between housing 30 and pedestal 40, and water is from the gap leakage between housing 30 and pedestal 40.
And, the perisporium outer surface 53 of diaphragm 50 and internal surface 36 adjacency of housing 30 perisporiums 35, the perisporium 35 that is greater than housing 30 due to the outer diameter D 3 of diaphragm 50 perisporiums is D2 away from the internal diameter of diaphragm 50 1 sides, but the perisporium 35 that is less than housing 30 is D1 near the internal diameter of diaphragm 50 1 sides, therefore the perisporium of diaphragm 50 in fact with perisporium 35 interference fit of housing 30, there is elastic strain in the flange 52 of diaphragm 50, the upper end of flange 52 is extruded and tilts to close diaphragm 50 axial directions, thereby contacts hermetically with housing 30.
The flange 54 of diaphragm 50 is positioned at the groove 44 of water outlet pressure plate 41, and spacing by 44 pairs of flanges 54 of groove avoids diaphragm 50 moving in the radial direction.
Because diaphragm 50 is compressed by many flanges 32,34,43, during stabilized pressure pump work, even if diaphragm 50 needs high-frequency seism moving, can upwards not wriggle in axial and footpath yet.And diaphragm 50 is made by elastic material, the perisporium 35 by housing 30 coordinates with the perisporium of diaphragm 50, and diaphragm 50 can be by the gap filling between housing 30 and pedestal 40, and good seal performance, avoids water from the gap leakage between housing 30 and pedestal 40.
In addition, all flanges 32,34,43, all along the circumferential extension of housing 30 or water outlet pressure plate 41, can avoid diaphragm 50 upwards to wriggle in week, better that diaphragm 50 is fixing.
Stabilized pressure pump of the present invention need to not arrange seal ring between water outlet pressure plate 41 and housing 30, when saving material simplified assembling process, and the Seepage that can also avoid the sealability because of seal ring to decline and cause.
Certainly, above-described embodiment is only the preferred embodiment of the present invention, during practical application, can have more change, for example, more flange is set on housing and water outlet pressure plate; Or the axis of flange and housing, water outlet pressure plate is obliquely installed; Or, between housing and pedestal, by other fixed blocks such as rivets, being fixedly connected with, such change also can realize object of the present invention.
Finally it is emphasized that and the invention is not restricted to above-mentioned mode of execution, as diaphragm shape and make the change of material, the variations such as change of flange setting position also should be included in the protection domain of the claims in the present invention.
Claims (10)
1. stabilized pressure pump, comprises
Housing, described housing is fixed on pedestal by fixed block, between described housing and described pedestal, water outlet pressure plate and diaphragm is installed, at least one second surface adjacency of at least one first surface of described housing and described diaphragm;
It is characterized in that:
Described first surface is provided with at least one the first flanges to described diaphragm direction projection, and described the first flange is pressed on described second surface.
2. stabilized pressure pump according to claim 1, is characterized in that:
The quantity of described first surface is more than two, described in each, on first surface, be equipped with at least one described in the first flange.
3. stabilized pressure pump according to claim 2, is characterized in that:
Described housing axially on, a plurality of described first surfaces are positioned in the plane of different heights.
4. according to the stabilized pressure pump described in claims 1 to 3 any one, it is characterized in that:
Described the first flange is along the circumferential extension of described housing.
5. according to the stabilized pressure pump described in claims 1 to 3 any one, it is characterized in that:
At least one the 4th surperficial adjacency of at least one of described water outlet pressure plate the 3rd surface and described diaphragm, described the 3rd surface is provided with at least one the second flanges that extend to described diaphragm direction, and described the second flange is pressed on described the 4th surface.
6. stabilized pressure pump according to claim 5, is characterized in that:
At described diaphragm in the radial direction, described the first flange and described the second flange are positioned on the circumference of different-diameter.
7. according to the stabilized pressure pump described in claims 1 to 3 any one, it is characterized in that:
The abut outer surfaces of the internal surface of described housing perisporium and the perisporium of described diaphragm, and the axis of described internal surface and housing is obliquely installed, the perisporium of described housing is greater than the internal diameter away from described diaphragm one side near the internal diameter of described diaphragm one side, and the external diameter of described diaphragm perisporium is greater than described housing perisporium away from the internal diameter of described diaphragm one side.
8. water purifier, comprises
Casing, in described casing, stabilized pressure pump is installed, described stabilized pressure pump has housing, described housing is fixed on pedestal by fixed block, between described housing and described pedestal, water outlet pressure plate and diaphragm are installed, at least one second surface adjacency of at least one first surface of described housing and described diaphragm;
It is characterized in that:
Described first surface is provided with at least one the first flanges to described diaphragm direction projection, and described the first flange is pressed on described second surface.
9. water purifier according to claim 8, is characterized in that:
The quantity of described first surface is more than two, described in each, on first surface, be equipped with at least one described in the first flange.
10. water purifier according to claim 8 or claim 9, is characterized in that:
At least one the 4th surperficial adjacency of at least one of described water outlet pressure plate the 3rd surface and described diaphragm, described the 3rd surface is provided with at least one the second flanges that extend to described diaphragm direction, and described the second flange is pressed on described the 4th surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310608212.3A CN103591013B (en) | 2013-11-25 | 2013-11-25 | Stabilized pressure pump and water purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310608212.3A CN103591013B (en) | 2013-11-25 | 2013-11-25 | Stabilized pressure pump and water purifier |
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| Publication Number | Publication Date |
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| CN103591013A true CN103591013A (en) | 2014-02-19 |
| CN103591013B CN103591013B (en) | 2017-02-15 |
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| CN201310608212.3A Active CN103591013B (en) | 2013-11-25 | 2013-11-25 | Stabilized pressure pump and water purifier |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105889038A (en) * | 2016-05-31 | 2016-08-24 | 珠海格力电器股份有限公司 | Stabilized pressure pump and water purifier |
| CN106337798A (en) * | 2016-10-18 | 2017-01-18 | 佛山市顺德区美的饮水机制造有限公司 | Diaphragm pump and water treatment equipment |
| CN108266354A (en) * | 2017-01-04 | 2018-07-10 | 佛山市顺德区美的饮水机制造有限公司 | Diaphragm pump and water treatment facilities |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889038A (en) * | 2016-05-31 | 2016-08-24 | 珠海格力电器股份有限公司 | Stabilized pressure pump and water purifier |
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| 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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|---|---|
| CN103591013B (en) | 2017-02-15 |
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