CN106194674A - Diaphragm pump head and membrane pump - Google Patents
Diaphragm pump head and membrane pump Download PDFInfo
- Publication number
- CN106194674A CN106194674A CN201610728875.2A CN201610728875A CN106194674A CN 106194674 A CN106194674 A CN 106194674A CN 201610728875 A CN201610728875 A CN 201610728875A CN 106194674 A CN106194674 A CN 106194674A
- Authority
- CN
- China
- Prior art keywords
- pump head
- connecting rod
- fast
- section
- quick connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/0009—Special features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Diaphragms And Bellows (AREA)
Abstract
The open a kind of diaphragm pump head of the present invention and membrane pump, wherein, diaphragm pump head includes that water chamber or the intake antrum of described pump head lid are located on described pump head lid and are connected to pump head lid and at least one the most slotting connecting rod, described fast connecting rod of inserting；Described fast connecting rod of inserting is straight tube-like, in order to install with described quick connector interference fit in inserting quick connector；Connected by cambered surface transition between end face and the described fast periphery wall inserting connecting rod of the described fast free end inserting connecting rod.Technical solution of the present invention can improve the service life of diaphragm pump head.
Description
Technical field
The present invention relates to water purifier technical field, particularly to a kind of diaphragm pump head and membrane pump.
Background technology
At present, the existing fast structure inserting connecting rod with the fast diaphragm booster pump inserting connecting rod is mainly from mould directly
It is an integrally-molded with pump head.Fast connecting rod of inserting stretches into inside quick connector, both interference fit, it is achieved seal connection, due to soon
The free end edge inserting connecting rod has obvious corner angle, fast connecting rod of inserting when stretching in quick connector, easily scraping O and be subject to
Power is crooked, little due to the diameter of fast slotting connecting rod again, so being easy to produce fracture owing to stress is crooked during using
Phenomenon, affects the service life of diaphragm pump head.
Summary of the invention
The main object of the present invention is to provide a kind of diaphragm pump head, it is intended to improve the service life of diaphragm pump head.
For achieving the above object, the diaphragm pump head that the present invention proposes, including pump head lid and at least one fast company of inserting
Bar, water chamber or the intake antrum of described pump head lid are located on described pump head lid and are connected to described fast connecting rod of inserting；
Described fast connecting rod of inserting is straight tube-like, in order to install with described quick connector interference fit in inserting quick connector；Institute
State and connected by cambered surface transition between the end face of the fast free end inserting connecting rod and the described fast periphery wall inserting connecting rod.
Preferably, the described fast external diameter inserting the position that connecting rod coordinates with the O of described quick connector, is described fast grafting
1.11-1.07 times of the internal diameter of the O of head.
Preferably, the described fast roughness of the position that connecting rod coordinates with the O of described quick connector of inserting is less than or equal to 0.8
μm。
Preferably, described fast slotting connecting rod is one-body molded with described pump head lid.
Preferably, described fast connecting rod of inserting includes being formed to the direction extension away from described pump head lid by described pump head lid
Enhancing section and extended, to the direction away from described pump head lid, the inserting section that formed by described enhancing section；Described inserting section is used for
Insert the interior O interference fit with described quick connector of quick connector to install；The interior caliber of described enhancing section and described grafting
The interior caliber of section is equal, and one end of the most close described inserting section of the pipe thickness of described enhancing section is near described pump head lid
One end be gradually increased.
Preferably, the inner tubal wall of described enhancing section is provided with the reinforcement being disposed radially；One end of described reinforcement is prolonged
Reaching pump head lid to insert in the path that connecting rod docks with fast, the other end extends in inserting section.
Preferably, described fast connecting rod of inserting also includes being formed to the direction extension away from described pump head lid by described inserting section
Guide section, the outer tube diameter of described guide section is successively decreased to away from one end of described inserting section by near one end of described inserting section.
Preferably, described pump head lid is provided with protection set；Described protection set is around described fast slotting connecting rod；Described protection set
Offer an axially extended mouth of stepping down.
Preferably, the described fast material inserting connecting rod is glass fibre reinforced nylon；Set on the described fast inner tubal wall inserting connecting rod
There is waterproof layer.
The present invention also proposes a kind of membrane pump, and this membrane pump includes that diaphragm pump head, described diaphragm pump head include pump head
Lid and at least one the most slotting connecting rod, described fast connecting rod of inserting is located on described pump head lid and connects going out of described pump head lid
Water cavity or intake antrum；Described fast connecting rod of inserting is straight tube-like, in order to pacify with described quick connector interference fit in inserting quick connector
Dress；Connected by cambered surface transition between end face and the described fast periphery wall inserting connecting rod of the described fast free end inserting connecting rod.
The diaphragm pump head of technical solution of the present invention uses the fast quick connector high-speed communication inserting connecting rod and exterior line, logical
Cross to arrange and connected by cambered surface transition between the end face of the fast free end inserting connecting rod and the fast periphery wall inserting connecting rod, insert connecting rod fast
The edge of free end form smooth fillet, when this insert soon connecting rod stretch in quick connector time, at the fast fillet inserting connecting rod and O
Type circle contacts, and O of will not swiping is more easily aligned the when of grafting and inserts, during therefore, it is possible to avoid inserting soon connecting rod insertion
The crooked problem causing quick connector to damage of stress due to scraping O, and then the use of this diaphragm pump head can be improved
Life-span.
Accompanying drawing explanation
Fig. 1 is the structural representation of diaphragm pump head one embodiment of the present invention；
Fig. 2 is that diaphragm pump head shown in Fig. 1 is along the profile of A-A '；
Fig. 3 is that another embodiment of diaphragm pump head of the present invention is along the fast profile inserting the cutting of connecting rod axis direction.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 100 | Pump head lid | 200 or 200 ' | Fast slotting connecting rod |
| 110 | Protection set | 111 | Step down mouth |
| 201 or 201 ' | End face | 202 or 202 ' | Periphery wall |
| 203 or 203 ' | Cambered surface | 204 | Waterproof layer |
| 205 | Reinforcement | 210 or 210 ' | Strengthen section |
| 220 or 220 ' | Inserting section | 230 | Guide section |
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under not making creative work premise all its
His embodiment, broadly falls into the scope of protection of the invention.
If it is to be appreciated that the embodiment of the present invention relates to directivity instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining under a certain particular pose (as shown in drawings) relative position relation between each parts,
Motion conditions etc., if this particular pose changes, then directionality instruction changes the most therewith.
If it addition, the embodiment of the present invention relates to the description of " first ", " second " etc., then should " first ", " second " etc.
Description be only used for describing purpose, and it is not intended that instruction or imply its relative importance or implicit indicate indicated skill
The quantity of art feature.Thus, define " first ", the feature of " second " can express or implicitly include at least one this spy
Levy.It addition, the technical scheme between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Enough be embodied as basis, when the combination of technical scheme occur conflicting maybe cannot realize time will be understood that the knot of this technical scheme
Close and do not exist, the most not within the protection domain of application claims.
The present invention proposes a kind of diaphragm pump head.
Referring to Fig. 1 and Fig. 2, wherein the realization instruction of band arrow is space (hole, chamber or breach etc.) or face, at this
In inventive embodiments, this diaphragm pump head includes pump head lid 100 and at least one the most slotting connecting rod 200, described fast slotting connecting rod
200 water chamber or the intake antrums being located on described pump head lid 100 and connecting described pump head lid 100；Described fast slotting connecting rod 200
In straight tube-like, in order to install with described quick connector interference fit in inserting quick connector (not shown)；Described fast slotting connecting rod 200
Free end end face 201 and the described fast periphery wall 202 inserting connecting rod 200 between connected by cambered surface 203 transition.
The diaphragm pump head of technical solution of the present invention uses fast slotting connecting rod 200 quickly to connect with the quick connector of exterior line
Logical, pass through cambered surface by arranging between the end face 201 of the fast free end inserting connecting rod 200 and the fast periphery wall 202 inserting connecting rod 200
203 transition connect, and form smooth fillet in the edge of the fast free end inserting connecting rod 200, stretch into fast inserting when this inserts connecting rod 200 soon
Time in joint, at the fast fillet inserting connecting rod 200, contact (not shown) with O, O of will not swiping, more holds the when of grafting
Easily alignment and inserting, therefore, it is possible to avoid inserting soon when connecting rod 200 inserts, due to scraping O, stress is crooked causes quick connector
The problem damaged, and then the service life of this diaphragm pump head can be improved.
Wherein, inserting connecting rod 200 by arranging the water chamber connecting described pump head lid 100 or the fast of intake antrum, being formed should
The intake-outlet of diaphragm pump head, when membrane pump is connected with extraneous pipeline, quick connector one end can easily and quickly be inserted
Fast as intake-outlet inserts connecting rod 200, and the other end is connected with external water pipe, completes water route；The fastest freedom inserting connecting rod 200
The edge of end uses suitable fillet design, will not damage O, aspect quick insertion when inserting quick connector.This structure is convenient
Produce assembling, reduce pump case die cost and design difficulty, be greatly improved production efficiency.
Fast connecting rod 200 of inserting stretches into inside quick connector, both interference fit, it is achieved seal connection, the wherein O of quick connector
Type circle is important potted component, and it is usually elastomeric material and prepares, and has good elasticity, when interference fit, shape occurs
Become thus be adjacent to insert soon the outer surface of connecting rod 200, and then reach sealing effectiveness.In view of the fast difficulty or ease inserted when connecting rod 200 inserts
Degree, sealing effectiveness；Fast slotting connecting rod 200 is designed to the size coordinated with quick connector, concrete, can arrange fast slotting connecting rod
The external diameter of 200 positions coordinated with the O of quick connector, is 1.11-1.07 times of internal diameter of the O of quick connector；This
Time, O can appropriateness deformation, ensure on the premise of sealing effectiveness will not stress excessive.When specifically applying, water purification industry one
As use 2 points, 3 points (2 points, 3 points of meanings be 2/8,3/8 inch, one inch is 25.4mm) quick connector；With 2 points insert soon
As a example by joint, its quick connector internal diameter 6.5mm, built-in O internal diameter 5.8mm, now, fast inserting outside connecting rod 200 is typically set
Footpath is 6.35 ± 0.05mm, roundness tolerance Φ 0.1, inserts connecting rod 200 the soonest and can insert quick connector, and and O smoothly
Form interference, reach to seal.If the outer surface roughness inserting connecting rod 200 soon is excessive, the most easily forms gap and cause leaking, because of
This, actually used in, the described fast roughness inserting the position that connecting rod 200 coordinates with the O of described quick connector is generally set
Less than or equal to 0.8 μm；The outer surface more smooth seal effect of fast slotting connecting rod 200 is the best；Can have by mould being polished place
Reason, meets the fast outer surface roughness requirement inserting connecting rod 200 so that it is O that can be built-in with quick connector forms strict seal,
Stop to leak.
In order to ensure to insert the sealing property between connecting rod 200 and pump head lid 100 soon, described fast slotting connecting rod can be set
200 is one-body molded with described pump head lid 100, and fast inserting is not connected gap, sealing between connecting rod 200 with pump head lid 100
Can be good.Diaphragm pump head typically uses glass fibre reinforced nylon material to prepare, and inserts the material of connecting rod 200 the soonest also for glass
Fiber reinforced nylon, owing to fast slotting connecting rod 200 is thinner, thickness also ratio is relatively thin, in order to prevent inserting intensity after connecting rod 200 absorbs water soon
Reduce, cause the problem being easily damaged, refer to 2, waterproof layer 204 can be set on the fast inner tubal wall inserting connecting rod 200, waterproof
Layer 204 can be waterproof coating, and waterproofing membrane etc., waterproof layer 204 is prevented from inserting soon the inwall of connecting rod 200 and directly connects with water
Touch, it is to avoid the problem that after fast slotting connecting rod 200 water suction, intensity reduces, it is possible to increase the fast reliability inserting connecting rod 200, improve further
The service life of this diaphragm pump head.
During it is said that in general, the most slotting connecting rod 200 is inserted askew, the end that fast slotting connecting rod 200 is connected with pump head lid 100 is main
Stress position, therefore refers to Fig. 2, can arrange described fast connecting rod 200 of inserting and include by described pump head lid 100 to away from described
The direction of pump head lid 100 extends the enhancing section 210 formed and by described enhancing section 210 to away from described pump head lid 100
Direction extends the inserting section 220 formed；Described inserting section 220 is for inserting the interior O with described quick connector of quick connector
Interference fit is installed；The interior caliber of described enhancing section 210 is equal with the interior caliber of described inserting section 220, and described enhancing section 210
Pipe thickness be gradually increased near one end of described pump head lid 100 near one end of described inserting section 220.Now,
When fast slotting connecting rod 200 is inserted askew, the fast enhancing section 210 inserting connecting rod 200 is main stress position, and the thickness strengthening section 210 is thicker,
Can bear bigger stress, thus prevent from inserting soon the end stress that connecting rod 200 is connected with pump head lid 100 and concentrate and damage.
In the present embodiment, the outside wall surface strengthening section 210 forms the curved surface of an indent, refers to 2, from the point of view of sectional view, should increase
Strong section 210 forms a knuckle between inserting section 220 and pump head lid 100；The setting of this fillet, can avoid thickness
The stress that degree sudden change causes is concentrated, thus can reach preferable reinforced effects.
Referring to Fig. 3, in an alternative embodiment of the invention, fast connecting rod 200 ' of inserting can also interior in described enhancing section 210 '
Arranging the reinforcement 205 being disposed radially on tube wall, reinforcement 205 can share the stress strengthened suffered by section 210 ', improves
The fast intensity inserting the end that connecting rod 200 is connected with pump head lid 100, the one end that can arrange this reinforcement 205 further extends
Inserting in the path that connecting rod 200 docks to pump head lid 100 with fast, the other end extends in inserting section 220 ', thus the most right
Force part carries out reinforcement.
Insert in quick connector to further facilitate fast connecting rod 200 ' of inserting, refer to 3, in another embodiment of the present invention
In, it is also possible to described fast connecting rod 200 ' of inserting is set and also includes by described inserting section 220 ' to the side away from described pump head lid 100
To extending the guide section 230 formed, the outer tube diameter of described guide section 230 by the one end near described inserting section 220 ' to away from institute
Successively decrease in the one end stating inserting section 220 '.Now guide section 230 away from one end of inserting section 220 ' be this insert soon connecting rod 200 from
By holding, connected by cambered surface 203 ' transition between end face 201 ' and the fast periphery wall 202 ' inserting connecting rod 200 ' of this free end, energy
Enough avoiding inserting soon scraping O when connecting rod 200 inserts, guide section 230 stretches in quick connector, the when of grafting more from fine to coarse
It is easy to align with and inserts such that it is able to avoiding fast connecting rod 200 of inserting in insertion process to damage, improve this diaphragm pump head further
Service life.
Refer to Fig. 1 to Fig. 3, in above-described embodiment, protection set 110 also can be set on described pump head lid 100；Described
Protection set 110 is around described fast slotting connecting rod 200；Described protection set 110 offers an axially extended mouth 111 of stepping down.Protection
Set 110 is slightly larger in dimension than the size of quick connector, protection set 110 and fast inserting and limits an installing space, soon between connecting rod 200
After slotting connecting rod 200 and quick connector grafting put in place, quick connector is spacing in this installing space, it is possible to avoid quick connector askew
Tiltedly, and when quick connector is crooked, protection set 110 can share a part of stress, thus protects fast connecting rod 200 of inserting
Protecting, when joint stress is bigger, protection set 110 can protect extension bar to be unlikely to be pulled off.It is provided with card in the pipeline of quick connector
Pawl, pressing claw can strut claw so that fast connecting rod 200 of inserting can enter smoothly, fast slotting connecting rod 200 and quick connector grafting
After putting in place, unclamping claw, claw recovers deformation to be blocked fast connecting rod 200 of inserting and prevents inserting connecting rod 200 soon and exit；Fast connecting rod 200 of inserting is torn open
When unloading, be also first pressing claw after again carry out plug operation, do not repeat them here；In order to avoid claw scratches fast slotting connecting rod 200,
The smooth setting of edge of claw can be set, preferably to protect fast connecting rod 200 of inserting；The setting of mouth 111 of stepping down is
User's claw of pressing quick connector when dismounting for convenience, such that it is able to extract fast slotting connecting rod 200 smoothly.
The present invention also proposes a kind of membrane pump, and this membrane pump includes diaphragm pump head, the concrete structure of this diaphragm pump head
With reference to above-described embodiment, owing to this bellows pumping element have employed whole technical schemes of above-mentioned all embodiments, have the most equally
All beneficial effects that the technical scheme having above-described embodiment is brought, this is no longer going to repeat them.
It should be noted that, the technical scheme of each embodiment of the present invention can be combined with each other, but must be with this
Based on the technical staff in field is capable of, when technical scheme combination occur conflicting maybe cannot realize time should people recognize
Combination for this technical scheme does not exists, the most not within the protection domain of application claims.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilization
The equivalent structure transformation that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other relevant technology necks
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. a diaphragm pump head, it is characterised in that described diaphragm pump head includes pump head lid and at least one fast company of inserting
Bar, water chamber or the intake antrum of described pump head lid are located on described pump head lid and are connected to described fast connecting rod of inserting；
Described fast connecting rod of inserting is straight tube-like, in order to install with described quick connector interference fit in inserting quick connector；Described soon
Insert and connected by cambered surface transition between the end face of the free end of connecting rod and the described fast periphery wall inserting connecting rod.
2. diaphragm pump head as claimed in claim 1, it is characterised in that the described fast O type inserting connecting rod and described quick connector
The external diameter of position that circle coordinates, is 1.11-1.07 times of internal diameter of the O of described quick connector.
3. diaphragm pump head as claimed in claim 1, it is characterised in that the described fast O type inserting connecting rod and described quick connector
The roughness of the position that circle coordinates is less than or equal to 0.8 μm.
4. diaphragm pump head as claimed any one in claims 1 to 3, it is characterised in that described fast slotting connecting rod and described pump
Bonnet body is one-body molded.
5. diaphragm pump head as claimed in claim 4, it is characterised in that described fast insert connecting rod include by described pump head lid to
Direction away from described pump head lid extends the enhancing section formed and by described enhancing section to the direction away from described pump head lid
Extend the inserting section formed；
Described inserting section is installed for inserting the interior O interference fit with described quick connector of quick connector；
The interior caliber of described enhancing section is equal with the interior caliber of described inserting section, and the pipe thickness of described enhancing section is near institute
The one end stating inserting section is gradually increased to the one end near described pump head lid.
6. diaphragm pump head as claimed in claim 5, it is characterised in that the inner tubal wall of described enhancing section is provided with and radially sets
The reinforcement put；One end of described reinforcement extends to pump head lid and inserts in the path that connecting rod docks with fast, and the other end extends to
In inserting section.
7. diaphragm pump head as claimed in claim 5, it is characterised in that described fast insert connecting rod also include by described inserting section to
Direction away from described pump head lid extends the guide section formed, and the outer tube diameter of described guide section is by near the one of described inserting section
End successively decreases to the one end away from described inserting section.
8. diaphragm pump head as claimed in claim 4, it is characterised in that described pump head lid is provided with protection set；Described guarantor
Sheath is around described fast slotting connecting rod；Described protection set offers an axially extended mouth of stepping down.
9. diaphragm pump head as claimed in claim 4, it is characterised in that the described fast material inserting connecting rod is glass fiber reinforcement
Nylon；The described fast inner tubal wall inserting connecting rod is provided with waterproof layer.
10. a membrane pump, it is characterised in that include diaphragm pump head as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728875.2A CN106194674B (en) | 2016-08-25 | 2016-08-25 | Diaphragm pump head and diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728875.2A CN106194674B (en) | 2016-08-25 | 2016-08-25 | Diaphragm pump head and diaphragm pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106194674A true CN106194674A (en) | 2016-12-07 |
| CN106194674B CN106194674B (en) | 2019-02-19 |
Family
ID=57523980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610728875.2A Active CN106194674B (en) | 2016-08-25 | 2016-08-25 | Diaphragm pump head and diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194674B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201277173Y (en) * | 2008-10-16 | 2009-07-22 | 卢连苗 | Fast joint for membrane pump |
| CN102678533A (en) * | 2011-10-27 | 2012-09-19 | 蔡应麟 | Connection structure of diaphragm pump cap and water pipeline |
| DE102004002489B4 (en) * | 2004-01-17 | 2013-01-31 | Robert Bosch Gmbh | Fluid pump, in particular high-pressure fuel pump |
| CN204175564U (en) * | 2014-10-13 | 2015-02-25 | 黄均城 | A kind of diaphragm booster pump of replaceable fast inserted link |
| CN204458328U (en) * | 2015-01-17 | 2015-07-08 | 丹江口市济祥福利汽配有限公司 | The linkage structure of supercharging pump head and pipe joint in a kind of water purifier suction booster |
| CN206054254U (en) * | 2016-08-25 | 2017-03-29 | 佛山市顺德区美的饮水机制造有限公司 | Diaphragm pump head and membrane pump |
-
2016
- 2016-08-25 CN CN201610728875.2A patent/CN106194674B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004002489B4 (en) * | 2004-01-17 | 2013-01-31 | Robert Bosch Gmbh | Fluid pump, in particular high-pressure fuel pump |
| CN201277173Y (en) * | 2008-10-16 | 2009-07-22 | 卢连苗 | Fast joint for membrane pump |
| CN102678533A (en) * | 2011-10-27 | 2012-09-19 | 蔡应麟 | Connection structure of diaphragm pump cap and water pipeline |
| CN204175564U (en) * | 2014-10-13 | 2015-02-25 | 黄均城 | A kind of diaphragm booster pump of replaceable fast inserted link |
| CN204458328U (en) * | 2015-01-17 | 2015-07-08 | 丹江口市济祥福利汽配有限公司 | The linkage structure of supercharging pump head and pipe joint in a kind of water purifier suction booster |
| CN206054254U (en) * | 2016-08-25 | 2017-03-29 | 佛山市顺德区美的饮水机制造有限公司 | Diaphragm pump head and membrane pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106194674B (en) | 2019-02-19 |
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