CN212838263U

CN212838263U - Miniature diaphragm pump with flow detection function

Info

Publication number: CN212838263U
Application number: CN202021119113.0U
Authority: CN
Inventors: 赵海杰; 林曾龙; 龙小杰
Original assignee: Zhejiang Dawei Electronic Co Ltd
Current assignee: Zhejiang Dawei Electronic Co Ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-03-30
Anticipated expiration: 2030-06-16

Abstract

The utility model provides a miniature diaphragm pump with flow detection function, including upper cover and hall subassembly, the upper cover including first water pipe and second water pipe, hall subassembly including magnetic path and hall element, first water pipe be provided with the holding chamber on fluidic flow path, and the outer wall department of first water pipe is provided with the mounting groove that supplies the hall element holding, the holding chamber in be provided with impeller subassembly, impeller subassembly including being used for driving magnetic path pivoted impeller. Not enough to prior art, the utility model provides a miniature diaphragm pump with flow detection function, its structure is more reasonable, and the volume is littleer.

Description

Miniature diaphragm pump with flow detection function

Technical Field

The utility model relates to a miniature diaphragm pump with flow detection function.

Background

The miniature diaphragm pump is commonly used in various small household appliances and used for pressurizing and conveying fluid in the appliances, and generally comprises a pump body, a transmission component and a motor, wherein the pump body comprises an upper cover and a shell, a water passing cavity is formed between the upper cover and the shell in a matching manner, a water inlet pipe and a water outlet pipe are arranged on the upper cover, the motor is used for driving the transmission component to operate, so that the fluid enters from the water inlet pipe and is discharged from the water passing cavity, a flow meter is additionally arranged on the pump body for facilitating the use of a user, a cover plate is further arranged on the pump body of the product, the cover plate is covered on the upper cover, a detection cavity communicated with the water passing cavity is formed between the cover plate and the pump body, an impeller and a Hall component are arranged in the detection cavity, and the impeller in the detection cavity is driven to rotate by water flow, the water outlet pipe is arranged at the cover plate, the impeller is driven to rotate in the process that fluid is discharged from the water outlet pipe through the detection cavity, and the rotating speed of the impeller is measured through the Hall assembly to obtain flow data of the fluid.

However, with the improvement of living standards, users increasingly rely on such small home appliances, and even during traveling, office work, or camping, the users want to use such small home appliances, but the users are limited by practical carrying capacity and often only give up, so that further miniaturization of such small home appliances becomes a critical step in such markets, and further optimization and miniaturization of the miniature diaphragm pump with a flow meter function, which is one of important components of such small home appliances, are urgently needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a miniature diaphragm pump with flow detection function, its structure is more reasonable, and the volume is littleer.

In order to achieve the above object, the utility model provides a miniature diaphragm pump with flow detection function, including upper cover and hall subassembly, the upper cover including first water pipe and second water pipe, hall subassembly including magnetic path and hall element, first water pipe be provided with the holding chamber on fluidic flow path, and the outer wall department of first water pipe is provided with the mounting groove that supplies the hall element holding, the holding chamber in be provided with impeller assembly, impeller assembly including being used for driving magnetic path pivoted impeller.

The technical scheme has the advantages that: compared with the prior art, need set up the detection chamber that supplies the fluid to pass through between the apron and the pump body, and set up the impeller that receives fluid drive in detecting the chamber, make the magnetic path rotate tangent with hall element through the impeller, thereby obtain data, set up the holding chamber on being located fluidic flow path through the first water pipe through the upper cover among this technical scheme, and supply the mounting groove of hall element installation on setting up drive magnetic path pivoted impeller and the first water pipe outer wall in the holding chamber, make the fluid at the in-process through the holding chamber, the impeller that the drive is located the holding chamber rotates, and because the impeller can drive the magnetic path and rotate, thereby form the hall element that is located the mounting groove and respond to with the magnetic path mutually, and then obtain data, the effectual whole size that has reduced the product, the structure is more reasonable.

The utility model discloses can further set up to: the impeller assembly comprises a support used for supporting the impeller, the first water pipe is formed by splicing two pipe bodies, a mounting gap is formed between the two pipe bodies, and the mounting gap can be matched with the support in a positioning mode.

Through further setting up, first water pipe is formed by two body amalgamations, and is formed with between two bodies can with support location complex installation clearance for can be with the impeller with be used for supporting the support mounting of impeller after targetting in place, to two body amalgamations each other again, and by the location of the installation clearance that forms between two bodies to the support, simple structure, the installation of being convenient for.

The utility model discloses can further set up to: the installation clearance be the annular setting, first water pipe prevent the portion of changeing including extending in the installation clearance.

Through further setting up, annular installation clearance is convenient for process to through set up wherein and prevent changeing the portion, make the support can with the installation clearance between form prevent changeing the cooperation.

The utility model discloses can further set up to: the pipe body of the pipe body is provided with a butt joint plate, the butt joint plate is provided with a plurality of chucks, the chucks are arranged along the peripheral wall of the butt joint plate, the chucks extend towards the direction of another pipe body, and the other pipe body is provided with a plurality of protruding portions used for forming clamping fit with the chucks.

Through further setting up, the butt plate can form two body spacing of the orientation in opposite directions, later by the bellying that sets up on a plurality of dops of arranging along the butt plate periphery wall and another body, form both spacing to the dorsad to make both form axial location, simple structure, the installation of being convenient for.

The utility model discloses can further set up to: and a butt joint block is arranged between the adjacent convex parts of the other pipe body, and the butt joint block can be respectively in butt joint with the adjacent clamping heads.

Through further setting, after two body installations finish, the butt piece that sets up between adjacent bellying can form the butt cooperation with adjacent dop respectively to form the cooperation of preventing changeing between two bodys.

The utility model discloses can further set up to: one of them body including wear out the butt joint board and towards the tip that another body extends, another body including can form the annular that circumference was encircleed to the tip, the annular can supply the sealing washer holding, and the butt joint board can cover on the annular.

Through further setting up, the sealing washer sets up between its body tip, annular and butt plate, can prevent through the sealing washer on the one hand that the fluid in the pipeline from oozing, and on the other hand, the sealing washer can produce an elastic force that makes two body separation direction movements when forming sealed effect through self deformation, and this elastic force can make the dop compress tightly on the bellying, guarantees the stability of connecting between two bodies.

The utility model discloses can further set up to: the support including two stabilizer blades, the stabilizer blade laminating set up on the inner wall of first water pipe, and two stabilizer blade one side in opposite directions is provided with the notch, the impeller all extend towards two notch directions and be formed with the connector, the connector can rotate and insert and establish in the notch.

Through further setting up, the stabilizer blade laminating can be avoided the stabilizer blade to impact down the orientation of carrying on the back the body direction deformation mutually at the fluid in the setting on first water pipe inner wall, and set up the notch through one side in two stabilizer blades are in the same direction, form to rotate with the notch by the connector that the two notch directions of impeller orientation set up and peg graft, can provide the support to two stabilizer blades by the impeller, avoid two stabilizer blades to be towards the orientation in the same direction deformation, in addition, insert through rotating and establish the connector in the notch, form the rotation supporting of support to the impeller, moreover, the steam generator is simple in structure.

The utility model discloses can further set up to: the connector setting locate at the center of impeller, the impeller including a plurality of blades along its axis of rotation radial extension, the magnetic path setting between a plurality of blades, and integrated into one piece setting between magnetic path and the impeller.

Through further setting, set up the magnetic path between a plurality of blades of impeller, and the connector setting is in the center department of impeller, avoids the data deviation that the focus is unstable to will and magnetic path and impeller integrated into one piece, make connection between them more firm, guarantee the stability of operation.

The utility model discloses can further set up to: the mounting groove is arranged at the radial extending position of the first water pipe corresponding to the impeller, the mounting groove can be used for the Hall element to be inserted, and the inner wall of the mounting groove can be elastically pressed on the Hall element.

Through further setting up, set up the mounting groove in the radial extension department that first water pipe corresponds the impeller, be convenient for set up the magnetic path on the impeller and respond to with it, and mounting groove elasticity compresses tightly forms the location at hall element, and the later stage of being convenient for seals the glue.

The utility model discloses can further set up to: the second water pipe be the inlet tube, another body on have the apopore of intercommunication second water pipe, the apopore set up between the axis of rotation of impeller and the internal perisporium of another body, and with another body one side department that the central line in holding chamber deviates mutually, the mounting groove is close to one side department setting of another body.

Through further setting, the apopore setting between the axis of rotation of impeller and the internal perisporium of another body, and with another body one side department that the central line skew mutually of holding chamber, guarantee that the fluid can not form the impact simultaneously to the blade at impeller axis of rotation both ends, and with the mounting groove setting in the one side department that is close to the body, guarantee the magnetic path pivoted in-process, hall element can be better respond to with it.

Drawings

Fig. 1 is a perspective view of an upper cover in an embodiment of the present invention;

fig. 2 is an exploded view of fig. 1 in an embodiment of the present invention;

fig. 3 is a top view of the upper cover in the embodiment of the present invention;

fig. 4 is a cross-sectional view taken along line a-a of fig. 3 according to an embodiment of the present invention;

fig. 5 is a cross-sectional view taken along line B-B in fig. 3 according to an embodiment of the present invention;

fig. 6 is a cross-sectional view taken at C-C in fig. 3 according to an embodiment of the present invention;

fig. 7 is a schematic structural view of an impeller assembly according to an embodiment of the present invention;

fig. 8 is a front view of an embodiment of the present invention;

fig. 9 is a cross-sectional view taken at D-D in fig. 8 according to an embodiment of the present invention.

Wherein: an upper cover 1; a first water pipe 11; an accommodating chamber 111; a tube 112 a; the abutment plate 112a 1; chuck 112a 2; end 112a 3; another tube 112 b; the convex portion 112b 1; abutment blocks 112b 2; the ring grooves 112b 3; outlet aperture 112b 4; a mounting gap 114; a rotation prevention section 115; a second water pipe 12; a Hall assembly 2; a magnetic block 21; a Hall element 22; a connection harness 23; an impeller assembly 3; an impeller 31; a connector 311; a blade 312; a bracket 32; the legs 321; a recess 322; a seal ring 4; a pump body 5; a motor 6; a diaphragm assembly 7; an eccentric mass 8.

Detailed Description

The utility model relates to an embodiment of miniature diaphragm pump with flow detection function is shown in FIGS. 1-9: upper cover 1 and hall subassembly 2, upper cover 1 including first water pipe 11 and second water pipe 12, in this embodiment, first water pipe 11 be the outlet pipe, second water pipe 12 be the inlet tube, hall subassembly 2 including magnetic path 21, hall element 22 and connection pencil 23, first water pipe 11 be provided with holding chamber 111 on fluidic flow path, first water pipe 11 form by two body 112 amalgamations, and be provided with sealing washer 4 between two body 112, and the outer wall department of first water pipe 11 is provided with the mounting groove 113 that supplies hall element 22 holding, holding chamber 111 in be provided with impeller subassembly 3, impeller subassembly 3 including being used for driving magnetic path 21 pivoted impeller 31. In this embodiment, still include pump body 5 and motor 6, upper cover 1 constitute by the pump body, the pump body in be provided with diaphragm assembly 7, eccentric block 8, diaphragm assembly 7 and motor 6 form transmission connection through eccentric block 8. The impeller assembly 3 includes a bracket 32 for supporting the impeller 31, the two pipes are respectively one pipe 112a and the other pipe 112b, a mounting gap 114 is formed between the two pipes 112, and the mounting gap 114 can form a positioning fit with the bracket 32. The mounting gap 114 is annularly disposed, and the first water pipe 11 includes a rotation preventing portion 115 extending into the mounting gap 114. The pipe body 112a is provided with a butting plate 112a1, the butting plate 112a1 is provided with a plurality of clamping heads 112a2, the plurality of clamping heads 112a2 are arranged along the outer peripheral wall of the butting plate 112a1, the clamping heads 112a2 extend towards the direction of the other pipe body 112b, and the other pipe body 112b is provided with a plurality of protrusions 112b1 used for forming clamping matching with the clamping heads 112a 1. In this embodiment, the tab 112a2 includes a hook portion that tapers toward the other tube 112 b. The other tube 112b is provided with an abutting block 112b2 between the adjacent protrusions 112b1, and the abutting blocks 112b2 can be respectively in abutting fit with the adjacent clips 112a 1. The tube 112a includes an end 112a3 extending out of the abutting plate 112a1 and extending toward the other tube 112b, the other tube 112b includes a circumferential groove 112b3 capable of forming a circumferential ring for the end 112a3, the circumferential groove 112b3 is adapted to receive the sealing ring 4, and the abutting plate 112a1 is capable of covering the circumferential groove 4. Support 32 including two stabilizer blades 321, stabilizer blade 321 laminate and set up on the inner wall of first water pipe 112, and two opposite sides of stabilizer blade 321 are provided with notch 322, impeller 31 all extend towards two notch 322 directions and be formed with connector 311, connector 311 can rotate and insert and establish in notch 322. In this embodiment, the end of the connector 311 is arc-shaped, so as to facilitate the assembly between the impeller 31 and the bracket 32. The connector 311 is arranged at the center of the impeller 31, the impeller comprises a plurality of blades 312 extending along the radial direction of the rotating axis of the impeller, the magnetic block 21 is arranged between the plurality of blades 312, the rotating axis refers to the axis formed by connecting the two connectors 311, the plurality of blades 312 rotate circumferentially around the axis, and the magnetic block 21 and the impeller 31 are integrally formed. In the embodiment, the integrally molded impeller 31 is injection molded on the magnet block 21. The mounting groove 113 is disposed at a radial extending position of the first water pipe 11 corresponding to the impeller 31, the hall element 22 can be inserted into the mounting groove 113, and the inner wall of the mounting groove 113 can be elastically pressed on the hall element 22. The other pipe 112b is provided with a water outlet 112b4 communicated with the second water pipe, the water outlet 112b4 is disposed between the rotation axis of the impeller 31 and the inner peripheral wall of the other pipe 112b and at one side of the other pipe deviated from the center line of the accommodating cavity 111, in this embodiment, the center line is the center line of the length direction of the accommodating cavity 111, and the mounting groove 113 is disposed at one side close to the other pipe 112 b.

The above examples are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides a miniature diaphragm pump with flow detection function, is including upper cover and hall subassembly, the upper cover including first water pipe and second water pipe, hall subassembly including magnetic path and hall element, its characterized in that: the first water pipe is provided with an accommodating cavity on a flow path of fluid, an installation groove for accommodating the Hall element is formed in the outer wall of the first water pipe, an impeller assembly is arranged in the accommodating cavity, and the impeller assembly comprises an impeller used for driving the magnetic block to rotate.

2. The miniature diaphragm pump with flow sensing function according to claim 1, wherein: the impeller assembly comprises a support used for supporting the impeller, the first water pipe is formed by splicing two pipe bodies, a mounting gap is formed between the two pipe bodies, and the mounting gap can be matched with the support in a positioning mode.

3. The miniature diaphragm pump with flow sensing function according to claim 2, wherein: the installation clearance be the annular setting, first water pipe prevent the portion of changeing including extending in the installation clearance.

4. The micro diaphragm pump with flow rate detecting function according to claim 2 or 3, characterized in that: the pipe body of the pipe body is provided with a butt joint plate, the butt joint plate is provided with a plurality of chucks, the chucks are arranged along the peripheral wall of the butt joint plate, the chucks extend towards the direction of another pipe body, and the other pipe body is provided with a plurality of protruding portions used for forming clamping fit with the chucks.

5. The miniature diaphragm pump with flow sensing function according to claim 4, wherein: and a butt joint block is arranged between the adjacent convex parts of the other pipe body, and the butt joint block can be respectively in butt joint with the adjacent clamping heads.

6. The miniature diaphragm pump with flow sensing function according to claim 4, wherein: one of them body including wear out the butt joint board and towards the tip that another body extends, another body including can form the annular that circumference was encircleed to the tip, the annular can supply the sealing washer holding, and the butt joint board can cover on the annular.

7. The miniature diaphragm pump with flow sensing function according to claim 2 or 3 or 5 or 6, wherein: the support including two stabilizer blades, the stabilizer blade laminating set up on the inner wall of first water pipe, and two stabilizer blade one side in opposite directions is provided with the notch, the impeller all extend towards two notch directions and be formed with the connector, the connector can rotate and insert and establish in the notch.

8. The miniature diaphragm pump with flow sensing function according to claim 7, wherein: the connector setting locate at the center of impeller, the impeller including a plurality of blades along its axis of rotation radial extension, the magnetic path setting between a plurality of blades, and integrated into one piece setting between magnetic path and the impeller.

9. The miniature diaphragm pump with flow sensing function according to claim 1 or 2 or 3 or 5 or 6 or 8, wherein: the mounting groove is arranged at the radial extending position of the first water pipe corresponding to the impeller, the mounting groove can be used for the Hall element to be inserted, and the inner wall of the mounting groove can be elastically pressed on the Hall element.

10. The miniature diaphragm pump with flow sensing function according to claim 9, wherein: the second water pipe be the inlet tube, another body on have the apopore of intercommunication second water pipe, the apopore set up between the axis of rotation of impeller and the internal perisporium of another body, and with another body one side department that the central line in holding chamber deviates mutually, the mounting groove is close to one side department setting of another body.