CN206360872U - Membrane pump and water treatment facilities - Google Patents
Membrane pump and water treatment facilities Download PDFInfo
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- CN206360872U CN206360872U CN201720009727.5U CN201720009727U CN206360872U CN 206360872 U CN206360872 U CN 206360872U CN 201720009727 U CN201720009727 U CN 201720009727U CN 206360872 U CN206360872 U CN 206360872U
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- septum
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- membrane pump
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Abstract
The utility model discloses a kind of membrane pump and water treatment facilities, wherein, membrane pump includes housing, diaphragm and piston, the cavity formation chamber of septum and power house of the enclosure interior；The diaphragm is isolated between the power house and the chamber of septum, and the diaphragm is towards the side portion concave formation holding part of the chamber of septum, and the holding part is internally formed accommodating cavity；The piston is in the chamber of septum, and the piston includes connecting portion, and the connecting portion is placed in the accommodating cavity.Technical solutions of the utility model can improve the performance of membrane pump.
Description
Technical field
The utility model is related to pump technology field, more particularly to a kind of membrane pump and water treatment facilities.
Background technology
Membrane pump is a kind of pump being used in water treatment facilities, it is possible to increase hydraulic pressure.In a kind of membrane pump, piston passes through spiral shell
Nail is fixed, and screw hole is offered on diaphragm, in order to avoid danger of being leaked out caused by screw hole in membrane pump, in another membrane pump
In, employ integral type diaphragm, by plunger designs into the boss structure on diaphragm, there is no perforate on diaphragm so that avoid every
Liquid in film room drains in power house and influences the normal work of membrane pump.However, when the thickness of integral type diaphragm is smaller,
The shape of boss structure will be limited by larger, when the thickness increase of integral type diaphragm, membrane pump can be caused worked again
Resistance increase in journey, in summary, the poor-performing of the membrane pump of this use integral type diaphragm.
Utility model content
Main purpose of the present utility model is to propose a kind of membrane pump, it is intended to solve the thickness of above-mentioned integral type diaphragm by
Larger limitation, improve membrane pump performance.
To achieve the above object, the utility model proposes membrane pump, including housing, diaphragm and piston, in the housing
The cavity formation chamber of septum and power house in portion；The diaphragm is isolated between the power house and the chamber of septum, the diaphragm
Towards the side portion concave formation holding part of the chamber of septum, the holding part is internally formed accommodating cavity；The piston is set
In in the chamber of septum, the piston includes connecting portion, and the connecting portion is placed in the accommodating cavity.
Preferably, the connecting portion and the accommodating cavity tight fit.
Preferably, the inwall of the holding part is provided with limited impression, and the outer wall of the connecting portion is provided with spacing preiection, described
Spacing preiection is sticked in the limited impression.
Preferably, the hardness of the piston is more than the hardness of the diaphragm.
Preferably, the membrane pump includes transmission mechanism, liquid feed valve and liquid valve, and the transmission mechanism is located at the power
It is indoor；The liquid feed valve is located at the surface of shell, is connected with the chamber of septum；The liquid valve is located at the housing table
Face, is connected with the chamber of septum；The piston includes extension, and the extension prolongs from the connecting portion to the liquid feed valve
Stretch, there is gap between the extension and the diaphragm.
Preferably, the extension is set towards the side of the liquid feed valve in arcuation projection.
Preferably, the transmission mechanism includes support, and the support includes mounting part, and the outer wall of the holding part is towards far
Side part from the accommodating cavity protrudes to form barb, and the mounting part hang on the barb, the mounting part with
The barb tight fit.
Preferably, the side part of the direction of the diaphragm chamber of septum convexes to form the first sealing, the housing
Provided with neck, first sealing is arranged in the neck.
Preferably, the end of the diaphragm convexes to form the second sealing, described second towards the side of the chamber of septum
The lateral wall of sealing and the housing fits.
The utility model is it is further proposed that a kind of water treatment facilities, including membrane pump, and the membrane pump includes housing, diaphragm
And piston, the cavity formation chamber of septum and power house of the enclosure interior；The diaphragm be isolated from the power house with it is described every
Between film room, the diaphragm is towards the side portion concave formation holding part of the chamber of septum, and the holding part is internally formed
Accommodating cavity；The piston is in the chamber of septum, and the piston includes connecting portion, and the connecting portion is placed in the accommodating cavity
In.
In technical solutions of the utility model, membrane pump includes housing, and the cavity of enclosure interior forms chamber of septum and power house,
The diaphragm and piston of membrane pump are separately positioned, wherein, diaphragm is isolated between chamber of septum and power house, in order to avoid the liquid in chamber of septum
Body is flowed into power house, cause electrical equipment in power house can not normal work, meanwhile, the pressure of change is formed in chamber of septum,
Flowed liquid under the cooperation of piston and flow out chamber of septum, increase hydraulic pressure.Side portion concave shape of the diaphragm towards chamber of septum
Into holding part, holding part is internally formed accommodating cavity, and the connecting portion of piston is placed in accommodating cavity, realizes consolidating between diaphragm
Fixed connection, on the one hand, without setting perforate on diaphragm with fixed piston, so as to avoid the liquid in the chamber of septum of membrane pump
Inside leak into power house and influence the normal work of membrane pump；On the other hand, the piston being separately provided has more flexible shape
Design, to improve the performance of membrane pump.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the utility model membrane pump one；
Fig. 2 is the structural representation of diaphragm in Fig. 1；
Fig. 3 is the structural representation of piston in Fig. 1.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Housing | 110 | Chamber of septum |
| 111 | Liquid feed valve | 112 | Liquid valve |
| 120 | Power house | 130 | Neck |
| 200 | Diaphragm | 210 | Holding part |
| 211 | Accommodating cavity | 212 | Barb |
| 220 | First sealing | 230 | Second sealing |
| 300 | Piston | 310 | Connecting portion |
| 320 | Extension | 410 | Limited impression |
| 420 | Spacing preiection | 500 | Transmission mechanism |
| 510 | Support | 511 | Mounting part |
| 520 | Bearing | 530 | Eccentric wheel |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality indicate (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality indicates to be only used for explaining relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality indicates also correspondingly therewith to change.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, when the combination appearance of technical scheme is conflicting or can not realize it will be understood that this technical side
The combination of case is not present, also not within the protection domain of the utility model requirement.
The utility model proposes a kind of membrane pump.
In the utility model embodiment, as shown in figure 1, the membrane pump includes housing 100, diaphragm 200 and piston 300,
Cavity formation chamber of septum 110 and power house 120 inside housing 100；Diaphragm 200 be isolated from power house 120 and chamber of septum 110 it
Between, as shown in Fig. 2 side portion concave formation holding part 210 of the diaphragm 200 towards chamber of septum 110, holding part is internally formed
Accommodating cavity 211；As shown in figures 1 and 3, piston 300 is in chamber of septum 110, and piston 300 includes connecting portion 310, connecting portion
310 are placed in accommodating cavity 211.
Specifically, in the present embodiment, housing 100 is internally formed chamber of septum 110 and power house 120, and diaphragm 200 is isolated from
Between chamber of septum 110 and power house 120, on the one hand, avoid the liquid in isolation ward 110 and leak into power house 120 and influence
The normal work of membrane pump；On the other hand, diaphragm 200 motion cause chamber of septum 110 in pressure change, with realize every
Membrane pump increases the function of hydraulic pressure.
When barrier film pump work imbibition, the direction of diaphragm 200 to power house 120 is moved, the volume increase of chamber of septum 110,
Pressure diminishes, and forms negative pressure, and now outside liquid enters chamber of septum 110 under pressure action.Wherein, pressure can come from greatly
Gas, can also pressurize otherwise.Assuming that the gas in chamber of septum 110 is perfect gas, according to ideal gas behavior side
Journey PV=nRT, wherein, P is gas pressure intensity, and V is gas volume, and n is the amount of gaseous matter, and R is ideal gas constant, and T is gas
Body thermodynamic temperature, in the case where gas temperature is held essentially constant, n and R is simultaneously constant, and visual PV products are fixation
Value.Assuming that the original state of diaphragm 200 is state shown in Fig. 1, annular seal space pressure is P1, volume is V1, when diaphragm 200 is to power house
When 120 side moves to maximum displacement, annular seal space pressure is P2, volume is V2, further, in above process, air pressure
Variation delta P=P2-P1, the variation delta V=V of gas volume2-V1, then according to calculating, Δ P=-P can be obtained1/(1+V1/ΔV)。
That is pressure change Δ P depends on the volume change Δ V of pump operation process septation room 110 and the initial volume of chamber of septum 110
V1, the initial volume of chamber of septum 110 is smaller, and the absolute value of pressure change is bigger, and the performance of pump is better.
In the present embodiment, the portion concave of diaphragm 200 formation holding part 210, piston 300 is placed in by connecting portion 310
In the accommodating cavity 211 that holding part 210 is internally formed, it is connected with diaphragm 200, and the other parts of piston 300 can be according to demand
It is designed, is no longer influenced by the limitation of the thickness of diaphragm 200, so as to is conducive to improving the performance of membrane pump.
In technical solutions of the utility model, membrane pump includes the cavity formation chamber of septum 110 inside housing 100, housing 100
With power house 120, the diaphragm 200 and piston 300 of membrane pump be separately positioned, wherein, diaphragm 200 is isolated from chamber of septum 110 and dynamic
Between power room 120, in order to avoid the liquid in chamber of septum 110 is flowed into power house 120, cause the electrical equipment in power house 120 can not be just
Often work, meanwhile, the pressure of change is formed in chamber of septum 110, is flowed liquid under the cooperation of piston and flows out chamber of septum
110, increase hydraulic pressure.The side portion concave of diaphragm 200 towards chamber of septum 110 forms holding part 210, the inside of holding part 210
Accommodating cavity 211 is formed, the connecting portion 310 of piston 300 is placed in accommodating cavity 211, realize the fixed company between diaphragm 200
Connect, on the one hand, without setting perforate on diaphragm 200 with fixed piston, so as to avoid the liquid in the chamber of septum 110 of membrane pump
Leak into power house 120 in vivo and influence the normal work of membrane pump；On the other hand, the piston 300 being separately provided has cleverer
Shape design living, to improve the performance of membrane pump.
In an embodiment of the present utility model, as shown in figure 1, membrane pump includes transmission mechanism 500, in a specific example
In, transmission mechanism 500 includes motor, eccentric wheel 530, bearing 520 and support 510.Eccentric wheel 510 is sheathed on the rotating shaft of motor
On, bearing 520 is connected with eccentric wheel 510, bearing 520 is connected with support 510, and eccentric wheel 520 is converted to the rotation of motor
Swing up and down, and be delivered to by bearing 520 and support 510 on diaphragm 200.Support 510 includes mounting part 511, holding part 210
Outer wall be directed away from the side part of accommodating cavity 211 and protrude to form barb 212, mounting part 511 hang on barb 212,
Mounting part 511 and the tight fit of barb 212 so that diaphragm 200 is connected with transmission mechanism 500, under the drive of transmission mechanism 500
Opposed diaphragm room 110 is swung up and down so that corresponding change occurs for gas pressure intensity and volume in chamber of septum 110.Wherein, bearing
520 can reduce the frictional force between eccentric wheel 530 and support 510, reduce the heat produced in the membrane pump course of work, extension every
The service life of membrane pump.Mounting part 511 and the tight fit of barb 212, can be prevented effectively from diaphragm 200 in motion process with transmission
Mechanism 500 is separated, and influences the normal work of membrane pump.
The surface of housing 100 is provided with liquid feed valve 111 and liquid valve 112, is connected with chamber of septum 110, wherein, liquid feed valve 111
It is check valve with liquid valve 112.Piston 300 includes extension 320, and extension 320 prolongs from connecting portion 310 to liquid feed valve 111
Stretch, during diaphragm 200 is swung up and down, the closing of the control liquid feed valve 111 of extension 320 and opening so that liquid flows out
With inflow chamber of septum 110.
Further, there is gap 330 between extension 320 and diaphragm 200.The shape of extension 320 and chamber of septum 110
Shape correspondence, do not abutted with the side wall of chamber of septum 110, and as far as possible close to the side wall of chamber of septum 110.Extension 320
The shape of gap 330 between diaphragm 200 is not limited herein, side wall of the gap 330 from connecting portion 310 to chamber of septum 110
Extension, gap exemplified by setting in a ring.When diaphragm 200 is moved in stress towards support 510, due to extension 320 and diaphragm
There is gap between 200 so that significantly elastic deformation can occur for the position of the correspondence extension 320 of diaphragm 200, so that significantly
The deflection of diaphragm 200 is added, is conducive to increasing the gas volume change in chamber of septum 110 and forms negative pressure.
Further, as shown in figure 1, connecting portion 310 and the tight fit of accommodating cavity 211, specifically, the connecting portion 310 of piston
Cross sectional dimensions be slightly larger than the cross sectional dimensions of accommodating cavity 211, in assembling process, the insertion of the connecting portion 310 of piston is accommodating
In chamber 211, after the completion of assembling, the deformation quantity of holding part 210 is about 10%~20%, to ensure the company of piston 300 and diaphragm 200
Connect firm, will not be separated in the course of work of membrane pump.In addition, connecting portion 310 can strut holding part 210 so that
The contact portion of holding part 210 and support 510 is softened so that diaphragm 200 is brought into close contact with support 510, increase them it
Between contact area, and then cause the opposite brackets 510 of diaphragm 200 connection it is more firm.
Further, as shown in Figures 2 and 3, the inwall of holding part is provided with limited impression 410, and the outer wall of connecting portion is provided with
Spacing preiection 420, spacing preiection 420 is sticked in limited impression 410.It should be noted that limited impression 410 and spacing preiection
420 position can also mutually be exchanged, so as to further strengthen the connection between piston 300 and diaphragm 200, prevent diaphragm 200
When elastic inadequate, piston 300 therefrom comes off.
Further, the hardness of piston 300 is more than the hardness of diaphragm 200, in the assembling process of piston 300 and diaphragm 200
In so that piston 300 can be successfully placed in accommodating cavity 211.Specifically, piston 300 can be by polypropylene or polyamide
Be made Deng material, with preferable hardness and structural strength, and diaphragm 200 can be made up of TPV, with compared with
Good elasticity and toughness.
As shown in figure 3, extension 320 is set towards the side of liquid feed valve 111 in arcuation projection.On the one hand, it is raised to prolong
Extending portion 320 further reduces the initial volume of chamber of septum 110, during pumping liquid, advantageously forms inside and outside difference more
Big negative pressure, improves the operating efficiency of pump.On the other hand, arcuation projection is conducive to preferably coordinating with liquid feed valve 111, makes up work
Coordinate not good and produce seam in the course of the work between the liquid feed valve 111 and the structure of extension 320 that may be introduced during skill
Gap makes the problem of efficiency of pump is reduced, it is to avoid the problem of closure is poor between piston 300 and liquid feed valve 111.
In order to increase the sealing between diaphragm 200 and housing 100, as depicted in figs. 1 and 2, diaphragm 200 towards barrier film
The side part of room 110 convexes to form the first sealing 220, and housing 100 is provided with neck 130, and the first sealing 220 is arranged in card
In groove 130, to connect diaphragm 200 and housing 100, sealed chamber of septum 110 is formed.On the side wall of housing 100, along housing
The 100 circumferentially uniform position for being provided with correspondence neck 130 on some necks 130, diaphragm 200, is provided with some
First sealing 220, when housing 100 and the cooperation of diaphragm 200, the first sealing 220 is arranged in neck 130, to increase shell
Sealing between body 100 and diaphragm 200.The first some sealings 220 can also connect to form the first sealed muscle, now block
Groove 130 is set in a ring.
Further, the end of diaphragm 200 convexes to form the second sealing 230 towards the side of chamber of septum 110, and second is close
Envelope portion 230 and the lateral wall of housing 100 fit.There is bigger contact surface between second sealing 230 and the side wall of housing
Product, to cause the sealing between diaphragm 200 and housing 100 to be further improved.
The utility model also proposes a kind of water treatment facilities, the water treatment facilities include membrane pump, the membrane pump it is specific
Structure is with reference to above-described embodiment, because this water treatment facilities employs whole technical schemes of above-mentioned all embodiments, therefore extremely
All beneficial effects that the technical scheme with above-described embodiment is brought less, this is no longer going to repeat them.Wherein, water process is set
Standby is the water-related equipment such as water purifier, water heater, water dispenser, humidifier, air purifier.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
It is every under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become
Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of membrane pump, it is characterised in that including：
Housing, the cavity formation chamber of septum and power house of the enclosure interior；
Diaphragm, is isolated between the power house and the chamber of septum, and the side part of the diaphragm towards the chamber of septum is recessed
Fall into and form holding part, the holding part is internally formed accommodating cavity；
Piston, in the chamber of septum, the piston includes connecting portion, and the connecting portion is placed in the accommodating cavity.
2. membrane pump as claimed in claim 1, it is characterised in that the connecting portion and the accommodating cavity tight fit.
3. membrane pump as claimed in claim 1, it is characterised in that the inwall of the holding part is provided with limited impression, the company
The outer wall of socket part is provided with spacing preiection, and the spacing preiection is sticked in the limited impression.
4. membrane pump as claimed in claim 1, it is characterised in that the hardness of the piston is more than the hardness of the diaphragm.
5. the membrane pump as described in any one in Claims 1-4, it is characterised in that including：
Transmission mechanism, in the power house；
Liquid feed valve, located at the surface of shell, is connected with the chamber of septum；
Liquid valve, located at the surface of shell, is connected with the chamber of septum；
The piston includes extension, and the extension extends from the connecting portion to the liquid feed valve, the extension and institute
Stating has gap between diaphragm.
6. membrane pump as claimed in claim 5, it is characterised in that the extension is towards the side of the liquid feed valve in arcuation
Projection is set.
7. membrane pump as claimed in claim 5, it is characterised in that the transmission mechanism includes support, the support includes hanging
Socket part, the side part that the outer wall of the holding part is directed away from the accommodating cavity is protruded to form barb, and the mounting part is hung
Located at the barb, the mounting part and the barb tight fit.
8. membrane pump as claimed in claim 5, it is characterised in that the side part of the direction chamber of septum of the diaphragm is convex
Rise and form the first sealing, the housing is provided with neck, and first sealing is arranged in the neck.
9. membrane pump as claimed in claim 5, it is characterised in that the end of the diaphragm is convex towards the side of the chamber of septum
Rise and form the second sealing, the lateral wall of second sealing and the housing fits.
10. a kind of water treatment facilities, it is characterised in that including membrane pump as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720009727.5U CN206360872U (en) | 2017-01-04 | 2017-01-04 | Membrane pump and water treatment facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720009727.5U CN206360872U (en) | 2017-01-04 | 2017-01-04 | Membrane pump and water treatment facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206360872U true CN206360872U (en) | 2017-07-28 |
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ID=59379027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720009727.5U Active CN206360872U (en) | 2017-01-04 | 2017-01-04 | Membrane pump and water treatment facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206360872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-01-04 CN CN201720009727.5U patent/CN206360872U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108266354B (en) * | 2017-01-04 | 2019-09-20 | 佛山市顺德区美的饮水机制造有限公司 | Diaphragm pump and water treatment facilities |
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