CN206468513U - Membrane pump and water treatment facilities - Google Patents
Membrane pump and water treatment facilities Download PDFInfo
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- CN206468513U CN206468513U CN201720121512.2U CN201720121512U CN206468513U CN 206468513 U CN206468513 U CN 206468513U CN 201720121512 U CN201720121512 U CN 201720121512U CN 206468513 U CN206468513 U CN 206468513U
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- seal
- separator
- connecting portion
- membrane pump
- boss
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Abstract
The utility model discloses a kind of membrane pump and water treatment facilities, wherein, membrane pump includes housing and separator, and the inwall of the housing is provided with seal boss；The separator is located at the enclosure interior, and the separator encloses to form water containing chamber with the housing；Connecting portion and connecting hole that the seal boss is adapted towards one end of the separator with being respectively equipped with the separator, the connecting portion is plugged in the connecting hole, first seal is provided between the connecting portion and the side wall of the connecting hole, to cause the seal boss to be tightly connected with the separator, the water containing chamber is separated to form high pressure chest and low pressure chamber by the seal boss.Technical solutions of the utility model can improve the reliability 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 that can be used in water treatment facilities, by housing, separator and diaphragm etc. in membrane pump
In be separated out low pressure chamber, booster cavity and high pressure chest.In order to avoid low pressure chamber is directly connected with high pressure chest and is caused in high pressure chest
Pressure is lost, and needs to be isolated by the way of being tightly connected between low pressure chamber and high pressure chest.As shown in figure 1, in existing skill
In art, being tightly connected can be by the way that the grafting of connecting portion 300 ' be entered in connecting hole 400 ', and in the end of connecting portion 300 ' and connection
Seal 500 ' is set to realize between the bottom wall in hole 400 '.Wherein, seal 500 ' can be O-ring seal, and O-ring seal exists
Compressed on axial direction, to avoid low pressure chamber from being connected with the direct of high pressure chest.Connecting portion 300 ' is connected with the housing of membrane pump,
After the completion of the housing assembling of membrane pump, the end of connecting portion 300 ' circumferentially compressive seal 500 ' to realize sealing.But,
In the mode of this axial seal, when the length of connecting portion 300 ' changes or the shell position of membrane pump changes
When, easily cause connecting portion 300 ' to be compressed axially decrease or even disappearance to seal 500 ', and then cause sealing effectiveness to be deteriorated
Even fail.Therefore, this axial seal mode is to the parameters such as size, the position of housing and connecting portion and the stabilization of membrane pump
Property require it is high, the reliability of this membrane pump is relatively low.
Utility model content
Main purpose of the present utility model is to propose a kind of membrane pump, it is intended to solve above-mentioned axial seal mode effect difference
Problem, improves the reliability of membrane pump.
To achieve the above object, the utility model proposes membrane pump include housing and separator, the inwall of the housing
Provided with seal boss；The separator is located at the enclosure interior, and the separator encloses to form water containing chamber with the housing；Institute
State connecting portion and connecting hole that seal boss is adapted towards one end of the separator with being respectively equipped with the separator, institute
State connecting portion to be plugged in the connecting hole, first seal is provided between the side wall of the connecting portion and the connecting hole, with
So that the seal boss is tightly connected with the separator, the seal boss by the water containing chamber be separated to form high pressure chest and
Low pressure chamber.
Preferably, the side wall of the connecting hole offers the first mounting groove, and the first seal is arranged in described first
In mounting groove.
Preferably, the side wall of the connecting portion offers the second mounting groove, and the first seal is arranged in described second
In mounting groove.
Preferably, the connecting portion is on the seal boss, and the connecting hole is opened on the separator.
Preferably, the first seal is O-ring seal, and the connecting portion is cylindrical, and the O-ring seal is arranged
In the side wall of the connecting portion.
Preferably, the connecting portion abuts boss close to laterally projecting formed in one end of the connecting hole opening, described
Boss is abutted to abut against with the separator.
Preferably, it is additionally provided with second seal between the abutting boss and the separator.
Preferably, the membrane pump have at least two groups connecting portions and connecting hole, at least one set of connecting portion with it is described
First seal is provided between the side wall of connecting hole.
Preferably, the membrane pump also includes diaphragm, water intaking valve, outlet valve and relief valve, and the diaphragm is located at the shell
Internal portion, the diaphragm encloses to form booster cavity with the separator, and the separator offers the connection booster cavity and institute
The first via of low pressure chamber is stated, and connects the second via of the booster cavity and the high pressure chest；The water intaking valve is located at institute
State between booster cavity and the low pressure chamber, to control the opening and closing of first via；The outlet valve increases located at described
Press between chamber and the high pressure chest, to control the opening and closing of second via；The relief valve is located on the housing,
The relief valve is connected with the high pressure chest.
The utility model is it is further proposed that a kind of water treatment facilities, including membrane pump, the membrane pump include housing and every
Off member, the inwall of the housing is provided with seal boss；The separator is located at the enclosure interior, the separator and the shell
Body encloses to form water containing chamber；The seal boss is adapted towards one end of the separator with being respectively equipped with the separator
Connecting portion and connecting hole, the connecting portion is plugged in the connecting hole, the side wall of the connecting portion and the connecting hole it
Between be provided with first seal, to cause the seal boss to be tightly connected with the separator, the seal boss by it is described appearance
Water cavity is separated to form high pressure chest and low pressure chamber.
In technical solutions of the utility model, membrane pump includes housing and the separator located at enclosure interior, separator and shell
Body encloses to form water containing chamber, and inner walls are provided with seal boss, seal boss towards on one end of separator and separator respectively
Provided with the connecting portion and connecting hole being adapted, connecting portion is plugged in connecting hole, and is set between connecting portion and the side wall of connecting hole
There is first seal, to realize being tightly connected for seal boss and separator, so that water containing chamber is separated to form into high pressure chest and low
Press chamber, it is to avoid high pressure chest directly connects with low pressure chamber and causes decompression in high pressure chest.Positioned at connecting portion and connecting hole side wall it
Between first seal radially compressed, directly connected with preventing the liquid in high pressure chest and low pressure chamber from flowing vertically
It is logical.In the mode of this radial seal, the length of the decrement of first seal independent of connecting portion in the axial direction becomes
Change, and only rely upon the difference of connecting hole internal diameter and connecting portion external diameter on cross section, comparatively, connecting portion and connecting hole are transversal
Size on face is sufficiently stable, varies less, so as to ensure that the decrement of first seal is stable, it is achieved that reliably
It is tightly connected, improves the reliability 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 membrane pump in the prior art；
Fig. 2 is the structural representation of the embodiment of the utility model membrane pump one；
Fig. 3 is the structural representation of another angle of Fig. 2 septation pumps；
Fig. 4 is schematic cross-section of Fig. 3 septations pump along AA directions；
Fig. 5 is the enlarged diagram at B in Fig. 4；
Fig. 6 is the schematic cross-section of another embodiment of the utility model membrane pump；
Fig. 7 is the enlarged diagram at C in Fig. 6.
Drawing reference numeral explanation of the prior art：
Drawing reference numeral explanation in the utility model：
| Label | Title | Label | Title |
| 100 | Housing | 110 | Seal boss |
| 111 | Low pressure chamber | 112 | High pressure chest |
| 113 | Booster cavity | 200 | Separator |
| 300 | Connecting portion | 310 | Abut boss |
| 400 | Connecting hole | 410 | First mounting groove |
| 500 | First seal | 600 | Water intaking valve |
| 700 | Outlet valve | 800 | Relief valve |
| 900 | Second seal | 910 | Seal pipe portion |
| 920 | Sealing end |
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 Figures 2 to 5, the membrane pump includes housing 100 and separator 200, shell
The inwall of body 100 is provided with seal boss 110；Separator 200 is inside housing 100, and separator 200 encloses shape with housing 100
Into water containing chamber；The connecting portion 300 that seal boss 110 is adapted towards one end of separator 200 with being respectively equipped with separator 200
With connecting hole 400, connecting portion 300 is plugged in connecting hole 400, and first is provided between the side wall of connecting portion 300 and connecting hole 400
Seal 500, to cause seal boss 110 to be tightly connected with separator 200, water containing chamber is separated to form height by seal boss 110
Press chamber 112 and low pressure chamber 111.
Specifically, in membrane pump, enclose by housing 100 and separator 200 and to form water containing chamber, with accommodate treat supercharging and
It is pressurized the liquid such as the water of completion.In order to be separated out the low pressure chamber 111 not connected directly each other and high pressure chest in water containing chamber
112, the inwall of housing 100 is provided with seal boss 110.Seal boss 110 is set from housing 100 towards separator 200, and with every
Off member 200 is tightly connected.It is respectively equipped with what is be adapted with separator 200 towards one end of separator 200 in seal boss 110
Connecting portion 300 and connecting hole 400.In one example, connecting portion 300 is on seal boss 110, and accordingly, connecting hole 400 is set
In on the correspondence position of separator 200, it will be apparent from hereinafter.In another example, connecting portion 300 is located on separator 200,
Accordingly, connecting hole 400 is on the correspondence position of seal boss 110.Connecting portion 300 is plugged in connecting hole 400, to cause
Seal boss 110 is separated out high pressure chest 112 and low pressure chamber 111 in water containing chamber.Further, in connecting portion 300 and connecting hole
First seal 500 is provided between 400 side wall, so as to avoid low pressure chamber 111 from directly being connected with high pressure chest 112.First sealing
Part 500 can be the elastic seal ring for being adapted and being set on connecting portion 300 with the cross sectional shape of connecting portion 300.First is close
Sealing 500 is fastened between connecting portion 300 and the side wall of connecting hole 400, in the effect of the side wall of connecting hole 400 and connecting portion 300
Under, first seal 500 is compressed in the radial direction cross section, so as to prevent water along the axial direction of connecting portion 300
Flowing, realizes the radial seal of seal boss 110 and separator 200.
In technical solutions of the utility model, membrane pump includes housing 100 and the separator 200 inside housing 100, every
Off member 200 and housing 100 enclose to form water containing chamber, and the inwall of housing 100 is provided with seal boss 110, and seal boss 110 is towards isolation
Connecting portion 300 and connecting hole 400 that one end of part 200 is adapted with being respectively equipped with separator 200, connecting portion 300 are plugged in
First seal 500 is provided with connecting hole 400, and between connecting portion 300 and the side wall of connecting hole 400, to realize seal boss
110 and separator 200 be tightly connected, so that water containing chamber is separated to form into high pressure chest 112 and low pressure chamber 111, it is to avoid high pressure chest
112 directly connect with low pressure chamber 111 and cause decompression in high pressure chest 112.Positioned at connecting portion 300 and connecting hole 400 side wall it
Between first seal 500 radially compressed, to prevent the liquid in high pressure chest 112 and low pressure chamber 111 from flowing vertically
Move and directly connect.In the mode of this radial seal, the decrement of first seal 500 is independent of connecting portion 300 in axle
To the length change on direction, and only rely upon the difference of the internal diameter of connecting hole 400 and the external diameter of connecting portion 300 on cross section, it is relative and
Speech, the size of connecting portion 300 and connecting hole 400 on cross section is more stablized, and with the growth of barrier film pump operation time, it becomes
Change amount is minimum, so as to ensure that the decrement of first seal 500 is stable, it is achieved that being reliably tightly connected, improves
The reliability of membrane pump.
In an embodiment of the present utility model, as shown in figure 4, membrane pump also includes diaphragm, water intaking valve 600, outlet valve
700 and relief valve 800, diaphragm is inside housing 100, and diaphragm encloses to form booster cavity 113 with separator 200, separator 200
Connection booster cavity 113 and the first via of low pressure chamber 111 are offered, and connects the second mistake of booster cavity 113 and high pressure chest 112
Hole, water intaking valve 600 is located between booster cavity 113 and low pressure chamber 111, to control the opening and closing of the first via, outlet valve 700
Between booster cavity 113 and high pressure chest 112, to control the opening and closing of the second via, relief valve 800 is located at housing 100
On, relief valve 800 is connected with high pressure chest 112, to carry out pressure discharge operations to high pressure chest 112.
In the course of work of membrane pump, the pressure in booster cavity 113 changes with the vibration of diaphragm.When vibration
When diaphragm is in the position away from separator 200, the volume of booster cavity 113 increase, internal pressure declines, and water intaking valve 600 is in low pressure
The lower opening of pressure difference effect between chamber 111 and booster cavity 113, outlet valve 700 is between booster cavity 113 and high pressure chest 112
Pressure difference effect is lower to close, and water enters in booster cavity 113 through the first via from low pressure chamber 111.Leaned on when the diaphragm of vibration is in
During the position of nearly separator 200, the volume of booster cavity 113 reduces, internal pressure increase, and water intaking valve 600 is in low pressure chamber 111 and supercharging
The lower closing of pressure difference effect between chamber 113, under pressure difference effect of the outlet valve 700 between booster cavity 113 and high pressure chest 112
Open, water enters in high pressure chest 112 through the second via from booster cavity 113.In addition, working as needs to carry out pressure release to high pressure chest 112
During operation, open relief valve 800 to realize the pressure release of high pressure chest 112.
In the present embodiment, as shown in figure 5, connecting portion 300 is on seal boss 110, connecting hole 400 is opened in isolation
On part 200.The setting side in the cross-sectional area of separator 200, the present embodiment is much smaller than due to the cross-sectional area of seal boss 110
Formula is conducive to simplifying the manufacturing process of seal boss 110 and separator 200, reduces process costs, improves process efficiency.Need note
Meaning, can also be by connecting portion 300 on separator 200 in the utility model, and it is convex that connecting hole 400 is opened in sealing
The end of platform 110, will not be repeated here.
Further, as shown in figure 5, the side wall of connecting hole 400 offers the first mounting groove 410, first seal 500 is blocked
In the first mounting groove 410.In the dismounting and the course of work of membrane pump, connecting portion 300 has in connecting hole 400 or can
There can be the axial motion along connecting portion 300, because first seal 500 tightly fits in connecting portion 300 and connecting hole 400
Between the wall of side, therefore when dismounting membrane pump or barrier film pump work, first seal 500 is easily under the drive of connecting portion 300
It is moved, or even comes off and cause seal failure.First seal 500 is fastened in the first mounting groove 410, it is to avoid
One seal 500 is in axial direction upper to be moved.By setting the first mounting groove 410, be conducive to limiting first seal 500 even
Particular location between socket part 300 and the side wall of connecting hole 400.If first seal 500 is too close to the bottom of connecting hole 400
Portion, then water readily flow in the gap of connecting portion 300 and the top of connecting hole 400, the pollutant accumulated after long-time in gap has
Sealing effectiveness may be caused to be deteriorated.And if first seal 500 too close to the opening of connecting hole 400 at, and easily come off and
Cause seal failure.Therefore, the position of first seal 500 is limited by the first mounting groove 410, is conducive to raising to be tightly connected
Reliability.
Further, the side wall of connecting portion 300 can also open up the second mounting groove (not shown), first seal
500 are arranged in the second mounting groove, to avoid it from being axially moveable.In the utility model, the first mounting groove 410 and the second peace
Tankage can select one and open up or while open up, so as to avoid moving and coming off for first seal 500, and limit first seal
500 position in the axial direction, improves the reliability of radial seal.
In the present embodiment, as shown in Figure 4 and Figure 5, first seal 500 is O-ring seal, and connecting portion 300 is in cylinder
Shape, O-ring seal is sheathed on the side wall of connecting portion 300.When the grafting of connecting portion 300 enters in connecting hole 400, O-ring seal position
Between connecting portion 300 and the side wall of connecting hole 400, compressed in radial directions, so as to avoid the stream of water vertically
It is dynamic, realize the effect being tightly connected, isolation low pressure chamber 111 and high pressure chest 112.In order to ensure outside sealing effectiveness, connecting portion 300
Side and the inner side of O-ring seal should keep preferable compactness, and connecting hole 400 aperture and connecting portion 300 external diameter difference
Less than the difference of the internal-and external diameter of O-ring seal, so as to ensure that O-ring seal is tightly compressed in connecting portion 300 and connecting hole 400
Between the wall of side, realization is tightly connected, it is to avoid low pressure chamber 111 is connected with the direct of high pressure chest 112.
In the present embodiment, membrane pump has at least two groups connecting portions 300 and connecting hole 400, at least one set of connecting portion 300
First seal 500 is provided between the side wall of connecting hole 400, so as to further ensure the sealing of high pressure chest 112.
In the present embodiment, as shown in figure 5, connecting portion 300 is close to the laterally projecting formation in one end that connecting hole 400 is open
Boss 310 is abutted, boss 310 is abutted and is abutted against with separator 200, to avoid the end of connecting portion 300 to the bottom of connecting hole 400
Wall produces excessive pressure, and then extends the service life of membrane pump.
In another embodiment of the present utility model, as shown in Figure 6 and Figure 7, abut between boss 310 and separator 200
It is additionally provided with second seal 900.Second seal 900 has a variety of set-up modes, for example, be arranged on connecting portion and connecting hole side wall
Between to realize the O-ring seal of radial seal；Or be arranged between abutting boss 310 and separator to realize axial seal
O-ring seal；Or as shown in fig. 7, second seal 900 includes sealing pipe portion 910 and sealing end 920, wherein, seal pipe portion
910 are located between connecting portion 300 and the side wall of connecting hole 400, and the self sealss pipe portion 910 of sealing end 920 is opened close to connecting hole 400
One end of mouth is to extending laterally, between abutting boss 310 and separator 200.Second seal 900 is prevented in water containing chamber
Water enter in gap between connecting portion 300 and connecting hole 400, so as to reduce the dirt after membrane pump long-play in water
Contaminate influence of the thing to housing 100 and the junction gap of separator 200.Meanwhile, second seal 900 and first seal 500
It is engaged, realizes dual-seal, if seal failure at wherein one in first seal 500 or second seal 900, is remained to
The sealing between high pressure chest and low pressure chamber is ensured, so as to further increase the reliability of membrane pump.
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 inwall of the housing is provided with seal boss；
Separator, located at the enclosure interior, the separator encloses to form water containing chamber with the housing；
The seal boss is towards one end of the separator with being respectively equipped with the connecting portion being adapted and company on the separator
Hole is connect, the connecting portion is plugged in the connecting hole, it is close provided with first between the side wall of the connecting portion and the connecting hole
Sealing, so that the seal boss is tightly connected with the separator, the water containing chamber is separated to form height by the seal boss
Press chamber and low pressure chamber.
2. membrane pump as claimed in claim 1, it is characterised in that the side wall of the connecting hole offers the first mounting groove, institute
First seal is stated to be arranged in first mounting groove.
3. membrane pump as claimed in claim 1, it is characterised in that the side wall of the connecting portion offers the second mounting groove, institute
First seal is stated to be arranged in second mounting groove.
4. membrane pump as claimed in claim 1, it is characterised in that the connecting portion is on the seal boss, the company
Hole is connect to be opened on the separator.
5. membrane pump as claimed in claim 4, it is characterised in that the first seal is O-ring seal, the connecting portion
Cylindrical, the O-ring seal is sheathed on the side wall of the connecting portion.
6. membrane pump as claimed in claim 1, it is characterised in that the connecting portion is close to one end edge of the connecting hole opening
Laterally protruding formed abuts boss, and the abutting boss is abutted against with the separator.
7. membrane pump as claimed in claim 6, it is characterised in that is additionally provided between the abutting boss and the separator
Two seals.
8. membrane pump as claimed in claim 1, it is characterised in that the membrane pump has at least two groups connecting portions and connection
First seal is provided between hole, the side wall of at least one set of connecting portion and the connecting hole.
9. membrane pump as claimed in any of claims 1 to 8 in one of claims, it is characterised in that the membrane pump also includes：
Diaphragm, located at the enclosure interior, the diaphragm is enclosed to form booster cavity with the separator, and the separator is offered
The booster cavity and the first via of the low pressure chamber are connected, and connects the second mistake of the booster cavity and the high pressure chest
Hole；
Water intaking valve, between the booster cavity and the low pressure chamber, to control the opening and closing of first via；
Outlet valve, between the booster cavity and the high pressure chest, to control the opening and closing of second via；
Relief valve, on the housing, the relief valve is connected with the high pressure chest.
10. a kind of water treatment facilities, it is characterised in that including membrane pump as in one of claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720121512.2U CN206468513U (en) | 2017-02-09 | 2017-02-09 | Membrane pump and water treatment facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720121512.2U CN206468513U (en) | 2017-02-09 | 2017-02-09 | Membrane pump and water treatment facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206468513U true CN206468513U (en) | 2017-09-05 |
Family
ID=59703659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720121512.2U Active CN206468513U (en) | 2017-02-09 | 2017-02-09 | Membrane pump and water treatment facilities |
Country Status (1)
| Country | Link |
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| CN (1) | CN206468513U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704168A (en) * | 2017-02-27 | 2017-05-24 | 佛山市威灵洗涤电机制造有限公司 | Pressure relief structure, booster pump and water purification equipment |
| CN108412741A (en) * | 2017-02-09 | 2018-08-17 | 佛山市顺德区美的饮水机制造有限公司 | Diaphragm pump and water treatment facilities |
| WO2020000739A1 (en) * | 2018-06-29 | 2020-01-02 | 深圳华星恒泰泵阀有限公司 | Miniature diaphragm water pump |
-
2017
- 2017-02-09 CN CN201720121512.2U patent/CN206468513U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412741A (en) * | 2017-02-09 | 2018-08-17 | 佛山市顺德区美的饮水机制造有限公司 | Diaphragm pump and water treatment facilities |
| CN106704168A (en) * | 2017-02-27 | 2017-05-24 | 佛山市威灵洗涤电机制造有限公司 | Pressure relief structure, booster pump and water purification equipment |
| WO2020000739A1 (en) * | 2018-06-29 | 2020-01-02 | 深圳华星恒泰泵阀有限公司 | Miniature diaphragm water pump |
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