CN107327391B - Upper end cover of micro diaphragm pump - Google Patents

Upper end cover of micro diaphragm pump Download PDF

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Publication number
CN107327391B
CN107327391B CN201710684409.3A CN201710684409A CN107327391B CN 107327391 B CN107327391 B CN 107327391B CN 201710684409 A CN201710684409 A CN 201710684409A CN 107327391 B CN107327391 B CN 107327391B
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CN
China
Prior art keywords
water
diaphragm pump
water outlet
outlet pipe
cavity
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CN201710684409.3A
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Chinese (zh)
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CN107327391A (en
Inventor
葛家伟
陈财兵
袁杰生
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Ningbo Jiuyuan Feilijia Pump Co ltd
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Ningbo Jiuyuan Feilijia Pump Co ltd
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Priority to CN201710684409.3A priority Critical patent/CN107327391B/en
Publication of CN107327391A publication Critical patent/CN107327391A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00Machines, pumps, or pumping installations having flexible working members
    • F04B43/02Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/001Noise damping
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16Casings; Cylinders; Cylinder liners or heads; Fluid connections

Abstract

The utility model provides a miniature diaphragm pump upper end cover, it is including lid (1) of lid at miniature diaphragm pump head, be equipped with intake antrum (2) and play water cavity (3) in lid (1), and the both sides of lid (1) still are equipped with inlet tube (4) and outlet pipe (5) respectively, inlet tube (4) and intake antrum (2) intercommunication, outlet pipe (5) and play water cavity (3) intercommunication, its characterized in that: a water baffle (6) is arranged in the water outlet cavity (3) so that the outlet water at the water outlet end of the head part of the miniature diaphragm pump cannot directly enter the water outlet pipe (5); compared with the prior art, the invention has the characteristics of simple structure, small volume, light weight, fewer parts, convenient assembly, vibration and noise reduction, enhanced emptying and self-suction capabilities and greatly reduced processing and installation costs.

Description

Upper end cover of micro diaphragm pump
The technical field is as follows:
the invention belongs to the field of water pump equipment, and particularly relates to an upper end cover of a miniature diaphragm pump.
Background art:
the miniature diaphragm pump (RO pump) is also called RO booster pump, RO self-priming pump, reverse osmosis booster pump, reverse osmosis self-priming pump, etc. and is one kind of DC diaphragm booster pump. The English name of the RO Pump is Reverse Osmosis Diaphragm Pump, and the complete Chinese means a Reverse Osmosis (Reverse Osmosis) membrane booster Pump. At present, the water purifier is one of the core accessories of the household water purifier in the water purification industry.
At present, the RO pump has vibration great in the use, and the noise is also great, and what prior art adopted is that set up the shock attenuation silencing device outside the RO pump head lid and be CN 104776014A like the publication number, the name is the membrane pump subassembly of the public "a purifier of purifier and membrane pump subassembly thereof, its characterized in that includes: a pump body having a water outlet end; a damping device, the damping device comprising: the first shell is provided with a water inlet which is connected with the water outlet end; the second shell is provided with a water outlet and is connected with the first shell and limits a buffer space with the first shell, wherein the buffer space is respectively connected with the water inlet and the water outlet; and the damping piece is arranged in the buffer space and is driven by water pressure to elastically deform. However, such a mechanism has a complicated structure, many parts, high cost, and troublesome assembly.
The invention content is as follows:
the invention aims to provide the upper end cover of the miniature diaphragm pump, which has the advantages of simple structure, small volume, light weight, fewer parts, convenience in assembly, vibration and noise reduction, enhanced emptying and self-suction capabilities and capability of greatly reducing the processing and installation cost.
The invention aims to solve the problems and provides an upper end cover of a miniature diaphragm pump, which comprises a cover body covering the head part of the miniature diaphragm pump, wherein a water inlet cavity and a water outlet cavity are arranged in the cover body, a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the cover body, the water inlet pipe is communicated with the water inlet cavity, the water outlet pipe is communicated with the water outlet cavity, and a water baffle is arranged in the water outlet cavity, so that the outlet water at the water outlet end of the head part of the miniature diaphragm pump cannot directly enter the.
Compared with the prior art, the water outlet cavity is internally provided with the water baffle plate, so that the water outlet at the water outlet end of the head part of the miniature diaphragm pump cannot directly enter the water outlet pipe, and the water baffle plate can separate the water outlet at the water outlet end from the water flow reflowing in the water outlet pipe so as to reduce the mutual impact of the water flows and further reduce the vibration and the noise; the water baffle also enables the water outlet at the water outlet end to enter the water outlet pipe after being buffered to a certain extent, so that bubbles in the water flow are greatly reduced, the water flow of the water outlet is smoother and more stable, the impact of the water flow on a pipeline is reduced, the vibration and the noise are reduced, the emptying capacity of the water pump and the filling rate of the water in the cavity of the pump can be greatly improved, and the self-absorption capacity and the initial water outlet efficiency of the water pump are enhanced; moreover, the whole mechanism is simple in structure, small in size, light in weight and few in parts, can be molded by injection once, and saves the assembly procedure, so that the processing and mounting cost is greatly reduced. Therefore, the invention has the characteristics of simple structure, small volume, light weight, fewer parts, convenient assembly, vibration and noise reduction, enhanced emptying and self-suction capabilities and greatly reduced processing and mounting costs.
Preferably, an annular bulge is arranged in the cover body, the annular bulge divides a water inlet cavity and a water outlet cavity, and the water outlet cavity is positioned in the annular bulge; the water baffle is of an arc structure and is positioned right in front of the communication position of the water outlet pipe and the water outlet cavity; after the arrangement, the structure is simpler, the injection molding is convenient, and the demolding success rate is higher.
Preferably, the circle center corresponding to the water baffle is superposed with the circle center of the annular bulge, and the center of the water baffle is positioned on the extension line of the axis of the water outlet pipe; after the arrangement, the water flow on the two sides of the water baffle is relatively uniform, the water flow flows into the water outlet pipe more smoothly, the vibration is relatively small, and the noise is reduced.
Preferably, the central angle corresponding to the water baffle is 90-120 degrees; within this range, the vibration and noise are relatively small, such as more than 120 degrees, which leads to a larger pressure in the water outlet cavity and is easy to cause the deformation of the end cover, such as less than 90 degrees, which has a poor effect on water flow rectification, and the vibration and noise are almost equal to those of the prior art.
Preferably, the water baffle has a corresponding central angle of 100 °.
Preferably, the two sides of the cover body are respectively provided with a C-shaped protective cover, the two protective covers respectively correspond to the water inlet pipe and the water outlet pipe, and the axis of the water inlet pipe and the axis of the water outlet pipe are superposed with the axes of the protective covers respectively corresponding to the protective covers; after the arrangement, the protective cover can protect the quick connector of the pipeline, and simultaneously protect the water inlet pipe and the water outlet pipe, so that the water inlet pipe and the water outlet pipe are prevented from being broken due to collision when falling, and the use stability of the water inlet pipe and the water outlet pipe is ensured.
Preferably, the central angle corresponding to the protective cover is 120-135 degrees; the protection cover protects the inlet pipe and the outlet pipe relatively better in this range.
Preferably, the corresponding central angle of the protective cover is 130 °.
Preferably, the value obtained by subtracting the axial length of the corresponding protective cover from the axial length of the water inlet pipe and the axial length of the water outlet pipe is 0-5 mm; after the arrangement, the quick connector can be quickly and conveniently disassembled and assembled with the water inlet pipe and the water outlet pipe on the premise of ensuring the use stability of the water inlet pipe and the water outlet pipe.
Description of the drawings:
FIG. 1 is a schematic structural diagram of an upper end cap of a micro diaphragm pump according to the present invention.
Fig. 2 is a perspective view of the upper end cap of the micro diaphragm pump of the present invention.
Fig. 3 is a schematic structural view of a head for an RO pump.
As shown in the figure: 1. the water-saving water dispenser comprises a cover body, 2, a water inlet cavity, 3, a water outlet cavity, 4, a water inlet pipe, 5, a water outlet pipe, 6, a water baffle, 7, an annular bulge, 8, a protective cover, 9, a water suction port, 10 and a water outlet end.
The specific implementation mode is as follows:
the following description is given in conjunction with specific embodiments, but the present invention is not limited to the following specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the positional relationships illustrated in the drawings, and are only for convenience in describing the present invention or simplifying the description, but do not indicate that a specific orientation is necessary.
Example one
As shown in fig. 1 and 2, an upper end cover of a micro diaphragm pump comprises a cover body 1 covering a head portion of the micro diaphragm pump, the cover body 1 covers the position of the head portion of the micro diaphragm pump (see fig. 3), the head portion of the micro diaphragm pump is provided with a water suction port 9 and a water outlet end 10, the water suction port 9 and the water outlet end 10 are both provided with one-way valve plates, the cover body 1 is provided with a water inlet cavity 2 and a water outlet cavity 3, two sides of the cover body 1 are further provided with a water inlet pipe 4 and a water outlet pipe 5 respectively, the water inlet pipe 4 is communicated with the water inlet cavity 2, the water outlet pipe 5 is communicated with the water outlet cavity 3, and a water baffle 6 is arranged in the water outlet cavity 3 to prevent water. The water suction port 9 of the head of the micro diaphragm pump is communicated with the water inlet cavity 2, the water outlet end 10 of the head of the micro diaphragm pump is communicated with the water outlet cavity 3, when the micro diaphragm pump works, the water suction port 9 sucks water in the water inlet cavity 2, and then the sucked water is discharged into the water outlet cavity 3 from the water outlet end 10; the water baffle 6 is arranged at the position close to the communication position of the water outlet pipe 5 and the water outlet cavity 3, and the water baffle 6 is positioned at the position between the movable pieces on the one-way valve sheet at the water outlet end 10 after the cover body 1 and the head of the miniature diaphragm pump are covered, and the position of the water baffle 6 cannot influence the movement of the movable pieces.
An annular bulge 7 is arranged in the cover body 1, the annular bulge 7 divides the water inlet cavity 2 and the water outlet cavity 3, and the water outlet cavity 3 is positioned in the annular bulge 7; the water baffle 6 is of an arc structure, and the water baffle 6 is positioned right ahead of the communication position of the water outlet pipe 5 and the water outlet cavity 3.
The circle center corresponding to the water baffle 6 coincides with the circle center of the annular bulge 7, and the center of the water baffle 6 is positioned on the extension line of the axis of the water outlet pipe 5.
The central angle corresponding to the water baffle 6 is 90-120 degrees (in this example, 100 degrees, or 90 degrees, 95 degrees, 110 degrees or 120 degrees, etc.).
The both sides of lid 1 all are equipped with the protection casing 8 of "C" style of calligraphy, and two protection casings 8 correspond inlet tube 4 and outlet pipe 5 respectively, the axis of inlet tube 4 and the axis of outlet pipe 5 coincide with the axis of the protection casing 8 that corresponds separately.
The central angle corresponding to the protective cover 8 is 120-135 degrees (in this example, 130 degrees, and also 120 degrees, 125 degrees, 135 degrees, and the like).
The value obtained by subtracting the axial length of the corresponding protective cover 8 from the axial length of the water inlet pipe 4 and the axial length of the water outlet pipe 5 is 0-5 mm (3 mm, or 0mm, 2mm, 4mm or 5 mm).
Example two
The utility model provides a miniature diaphragm pump upper end cover, it is including the lid 1 of lid at miniature diaphragm pump head, and miniature diaphragm pump head (see fig. 3) position department that lid 1 lid closed is equipped with water sucking mouth 9 and play water end 10 on the miniature diaphragm pump head, and water sucking mouth 9 and play water end 10 all are equipped with the check valve piece, be equipped with intake antrum 2 and play water cavity 3 in the lid 1, and the both sides of lid 1 still are equipped with inlet tube 4 and outlet pipe 5 respectively, inlet tube 4 and 2 intercommunications in intake antrum, outlet pipe 5 and play water cavity 3 intercommunication, it makes the play water of miniature diaphragm pump head play water end 10 can directly not enter into outlet pipe 5 to be equipped with breakwater 6 in the play water cavity 3. The water suction port 9 of the head of the micro diaphragm pump is communicated with the water inlet cavity 2, the water outlet end 10 of the head of the micro diaphragm pump is communicated with the water outlet cavity 3, when the micro diaphragm pump works, the water suction port 9 sucks water in the water inlet cavity 2, and then the sucked water is discharged into the water outlet cavity 3 from the water outlet end 10; the water baffle 6 is arranged at the position close to the communication position of the water outlet pipe 5 and the water outlet cavity 3, the water baffle 6 is positioned at the position between the movable pieces on the one-way valve sheet at the water outlet end 10 after the cover body 1 and the head of the miniature diaphragm pump are covered, and the position of the water baffle 6 cannot influence the movement of the movable pieces.
An annular bulge 7 is arranged in the cover body 1, the annular bulge 7 divides the water inlet cavity 2 and the water outlet cavity 3, and the water outlet cavity 3 is positioned in the annular bulge 7; the water baffle 6 is of a square structure, and the water baffle 6 is positioned right ahead of the communication part of the water outlet pipe 5 and the water outlet cavity 3.
EXAMPLE III
The utility model provides a miniature diaphragm pump upper end cover, it is including the lid 1 of lid at miniature diaphragm pump head, and miniature diaphragm pump head (see fig. 3) position department that lid 1 lid closed is equipped with water sucking mouth 9 and play water end 10 on the miniature diaphragm pump head, and water sucking mouth 9 and play water end 10 all are equipped with the check valve piece, be equipped with intake antrum 2 and play water cavity 3 in the lid 1, and the both sides of lid 1 still are equipped with inlet tube 4 and outlet pipe 5 respectively, inlet tube 4 and 2 intercommunications in intake antrum, outlet pipe 5 and play water cavity 3 intercommunication, it makes the play water of miniature diaphragm pump head play water end 10 can directly not enter into outlet pipe 5 to be equipped with breakwater 6 in the play water cavity 3. The water suction port 9 of the head of the micro diaphragm pump is communicated with the water inlet cavity 2, the water outlet end 10 of the head of the micro diaphragm pump is communicated with the water outlet cavity 3, when the micro diaphragm pump works, the water suction port 9 sucks water in the water inlet cavity 2, and then the sucked water is discharged into the water outlet cavity 3 from the water outlet end 10; the water baffle 6 is arranged at the position close to the communication position of the water outlet pipe 5 and the water outlet cavity 3, the water baffle 6 is positioned at the position between the movable pieces on the one-way valve sheet at the water outlet end 10 after the cover body 1 and the head of the miniature diaphragm pump are covered, and the position of the water baffle 6 cannot influence the movement of the movable pieces.
An annular bulge 7 is arranged in the cover body 1, the annular bulge 7 divides the water inlet cavity 2 and the water outlet cavity 3, and the water outlet cavity 3 is positioned in the annular bulge 7; the water baffle 6 is of an arc structure, and the water baffle 6 is positioned right ahead of the communication position of the water outlet pipe 5 and the water outlet cavity 3.
The circle center corresponding to the water baffle 6 coincides with the circle center of the annular bulge 7, and the center of the water baffle 6 is positioned on the extension line of the axis of the water outlet pipe 5.
The central angle corresponding to the water baffle 6 is 90-120 degrees (115 degrees in the embodiment).
The both sides of lid 1 all are equipped with the protection casing 8 of "C" style of calligraphy, and two protection casings 8 correspond inlet tube 4 and outlet pipe 5 respectively, the axis of inlet tube 4 and the axis of outlet pipe 5 coincide with the axis of the protection casing 8 that corresponds separately.
The central angle corresponding to the protective cover 8 is 120-135 degrees (128 degrees in the embodiment).
The value obtained by subtracting the axial length of the corresponding protective cover 8 from the axial length of the water inlet pipe 4 and the axial length of the water outlet pipe 5 is 0-5 mm (4.5 mm in the embodiment).
During installation, the cover body 1 is only required to be aligned to the head of the micro diaphragm pump and locked by using a bolt, so that the installation is more convenient.
The above examples are only preferred embodiments of the present invention, and the present invention is not limited to the above embodiments and other structural changes are allowed, and all changes within the scope of the independent claims of the present invention are included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a miniature diaphragm pump upper end cover, it is including lid (1) of lid at miniature diaphragm pump head, be equipped with intake antrum (2) and play water cavity (3) in lid (1), and the both sides of lid (1) still are equipped with inlet tube (4) and outlet pipe (5) respectively, inlet tube (4) and intake antrum (2) intercommunication, outlet pipe (5) and play water cavity (3) intercommunication, its characterized in that: the water outlet cavity (3) is internally provided with a water baffle (6) so that the outlet water at the water outlet end of the head part of the miniature diaphragm pump cannot directly enter the water outlet pipe (5).
2. The upper end cap of a miniature diaphragm pump according to claim 1, wherein: an annular bulge (7) is arranged in the cover body (1), the annular bulge (7) is divided into a water inlet cavity (2) and a water outlet cavity (3), and the water outlet cavity (3) is positioned in the annular bulge (7); the water baffle (6) is of an arc-shaped structure, and the water baffle (6) is positioned right ahead of the communication position of the water outlet pipe (5) and the water outlet cavity (3).
3. The upper end cap of a miniature diaphragm pump according to claim 2, wherein: the circle center corresponding to the water baffle (6) is superposed with the circle center of the annular bulge (7), and the center of the water baffle (6) is positioned on the extension line of the axis of the water outlet pipe (5).
4. The upper end cover of a miniature diaphragm pump according to claim 2 or 3, wherein: the central angle corresponding to the water baffle (6) is 90-120 degrees.
5. The upper end cap of a miniature diaphragm pump according to claim 4, wherein: the central angle corresponding to the water baffle (6) is 100 degrees.
6. The upper end cap of a miniature diaphragm pump according to claim 1, wherein: the both sides of lid (1) all are equipped with protection casing (8) of "C" style of calligraphy, and inlet tube (4) and outlet pipe (5) are corresponding respectively in two protection casings (8), the axis of inlet tube (4) and the axis of outlet pipe (5) coincide with the axis of the protection casing (8) that correspond separately.
7. The upper end cap of a miniature diaphragm pump according to claim 6, wherein: the central angle corresponding to the protective cover (8) is 120-135 degrees.
8. The upper end cap of a miniature diaphragm pump according to claim 7, wherein: the corresponding central angle of the protective cover (8) is 130 degrees.
9. The upper end cap of a miniature diaphragm pump according to claim 6, wherein: the axial length of inlet tube (4) and the axial length of outlet pipe (5) subtract the axial length's of each corresponding protection casing (8) value and be 0 ~ 5 mm.
CN201710684409.3A 2017-08-11 2017-08-11 Upper end cover of micro diaphragm pump Active CN107327391B (en)

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Application Number Priority Date Filing Date Title
CN201710684409.3A CN107327391B (en) 2017-08-11 2017-08-11 Upper end cover of micro diaphragm pump

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CN107327391B true CN107327391B (en) 2020-07-03

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202040067U (en) * 2010-11-26 2011-11-16 邓闵键 Pump backwater decompression structure
CN202082092U (en) * 2011-05-19 2011-12-21 袁思岳 Pump cover of membrane pump
CN102400893A (en) * 2011-11-25 2012-04-04 无锡市豫达换热器有限公司 Novel vacuum pump with cooler
GB201507566D0 (en) * 2014-05-20 2015-06-17 Cai Ying L And Hsu Chao F Eccentric roundel structure for compressing diaphragm pump with multiple effects
CN106762690A (en) * 2017-01-06 2017-05-31 宁波九缘菲力加泵业有限公司 A kind of special RO machine self-absorption pressurizing voltage stabilizing pumping systems of water purifier
CN207033694U (en) * 2017-08-11 2018-02-23 宁波九缘菲力加泵业有限公司 Miniature diaphragm pump upper end cover

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10125762B2 (en) * 2013-11-20 2018-11-13 Delavan Ag Pumps, Inc. Pump port adapter
DK2921705T3 (en) * 2014-03-20 2019-01-07 Annovi Reverberi Spa Diaphragm plate group for diaphragm pumps

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202040067U (en) * 2010-11-26 2011-11-16 邓闵键 Pump backwater decompression structure
CN202082092U (en) * 2011-05-19 2011-12-21 袁思岳 Pump cover of membrane pump
CN102400893A (en) * 2011-11-25 2012-04-04 无锡市豫达换热器有限公司 Novel vacuum pump with cooler
GB201507566D0 (en) * 2014-05-20 2015-06-17 Cai Ying L And Hsu Chao F Eccentric roundel structure for compressing diaphragm pump with multiple effects
CN106762690A (en) * 2017-01-06 2017-05-31 宁波九缘菲力加泵业有限公司 A kind of special RO machine self-absorption pressurizing voltage stabilizing pumping systems of water purifier
CN207033694U (en) * 2017-08-11 2018-02-23 宁波九缘菲力加泵业有限公司 Miniature diaphragm pump upper end cover

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