CN207212640U - A kind of water pump - Google Patents
A kind of water pump Download PDFInfo
- Publication number
- CN207212640U CN207212640U CN201720817523.4U CN201720817523U CN207212640U CN 207212640 U CN207212640 U CN 207212640U CN 201720817523 U CN201720817523 U CN 201720817523U CN 207212640 U CN207212640 U CN 207212640U
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- water pump
- valve
- valve bracket
- pipelined channel
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Abstract
The utility model discloses a kind of water pump to include pump case, motor and swing rod, pump case is provided with diaphragm assembly, diaphragm assembly includes lid and barrier film, region between barrier film and lid forms chamber, motor driving swing rod moves back and forth and drives diaphragm movement, and the volume for making chamber increases or reduced；Pump case is provided with the first pipelined channel and the second pipelined channel；One end of first pipelined channel is provided with the first valve bracket；First valve bracket is provided with the first hole for being used for connecting the first pipelined channel and chamber and the first check-valve piece for blocking the first hole；First valve bracket is provided with gas pressure relief slot, and the first valve bracket is provided with the mounting groove for being used for installing first check-valve piece, and gas pressure relief slot is located at the bottom wall of mounting groove, and the bottom wall of mounting groove is run through in the first hole, and gas pressure relief slot connects with the first hole.The water pump that the utility model embodiment provides, it is that can reach the purpose of pressure release without adding extra outside pressure relief device to carry out pressure release.
Description
Technical field
It the utility model is related to hydraulic set technology, more particularly to a kind of water pump.
Background technology
Following defect be present in existing water pump：
When hydraulic pressure is excessive, pressure release effect is unable to reach, the water pump has potential safety hazard in direct use, thus needs
The outside pressure relief device of addition and pressure release, extra cost is so caused to increase and space waste.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of water pump, and it need not add volume
It is that can reach the purpose of pressure release that outer outside pressure relief device, which carries out pressure release, not only avoid because in chamber hydraulic pressure it is excessive cause
Security hidden trouble, and space can be saved, reduce cost.
The purpose of this utility model adopts the following technical scheme that realization：
A kind of water pump, including pump case, motor and swing rod, the pump case are provided with diaphragm assembly, the diaphragm assembly
Including lid and barrier film, the region between the barrier film and the lid forms chamber, and the motor drives the swing rod reciprocal
Move and drive the diaphragm movement, the volume for making the chamber increases or reduced；
The pump case is provided with the first pipelined channel and the second pipelined channel；One end of first pipelined channel is provided with
First valve bracket, one end of second pipelined channel are provided with the second valve bracket, and first valve bracket with it is described
Second valve bracket is located at same one end of the pump case；First valve bracket, which is provided with, to be used to connect first flowing water
First hole of passage and the chamber and the first check-valve piece for blocking first hole, set in second valve bracket
There are the second hole for connecting second pipelined channel and the chamber and the second non-return for blocking second hole
Valve block；First valve bracket is provided with gas pressure relief slot, and first valve bracket, which is provided with, to be used to install first non-return
The mounting groove of valve block, the gas pressure relief slot are located at the bottom wall of the mounting groove, and the bottom wall of the mounting groove, institute are run through in first hole
Gas pressure relief slot is stated to connect with first hole.
Further, the length direction of the gas pressure relief slot radially extending along first hole.
Further, the depth of the gas pressure relief slot is 0.15mm-0.35mm, and the width of the gas pressure relief slot is 0.4mm-
0.6mm。
Further, the structure of second valve bracket is identical with the structure of first valve bracket.
Further, the quantity of the diaphragm assembly is two, and two diaphragm assemblies are symmetricly set in the pump case
The both ends of body.
Further, the water pump also includes briquetting, and the barrier film is crimped on one end of the swing rod by the briquetting.
Further, the barrier film includes first and from described first second extended, described first
The storage tank for housing the swing rod is cooperatively formed with pump case sealing；Described second be provided with two respectively with institute
State the through hole that the first valve bracket and second valve bracket are engaged.
Further, the swing rod is provided with mounting hole, and the output shaft of the motor is installed on by eccentric wheel and bearing
On the mounting hole, the bearing is between the eccentric wheel and the installation hole wall, the bearing and the installation hole wall
Between be provided with wearing piece.
Further, the wearing piece is stainless steel wearing piece.
Further, the motor includes the rotor magnet and silicon steel sheet group being sheathed on the output shaft, the rotor
Fit clearance between magnet and the silicon steel sheet group is more than 0.25mm and is less than 0.7mm.
Compared with prior art, the beneficial effects of the utility model are：
The water pump of above-mentioned technical proposal, because pump case is provided with the first pipelined channel and the second pipelined channel；It is first-class
One end of aquaporin is provided with the first valve bracket, and the first valve bracket, which is provided with, is used to connecting the of the first pipelined channel and chamber
One hole and the first check-valve piece for blocking the first hole；First valve bracket is provided with gas pressure relief slot, is set in the first valve bracket
There is the mounting groove for installing first check-valve piece, gas pressure relief slot is located at the bottom wall of mounting groove, and the bottom wall of mounting groove is run through in the first hole,
Gas pressure relief slot connects with the first hole, when aqueous water is discharged and produces excessive pressure in chamber, water in chamber by gas pressure relief slot and
Pressure release is that can reach the purpose of pressure release without adding extra outside pressure relief device to carry out pressure release, no to the first pipelined channel
Only avoid because in chamber hydraulic pressure it is excessive caused by security hidden trouble, and space can be saved, reduce cost.
Brief description of the drawings
Fig. 1 is the structural representation of water pump provided by the utility model；
Fig. 2 is the exploded perspective view of water pump in Fig. 1；
Fig. 3 is the sectional view of the angle of water pump one in Fig. 1；
Fig. 4 is the sectional view of another angle of water pump in Fig. 1；
Fig. 5 is the structural representation of the first valve bracket of water pump in Fig. 1；
Fig. 6 is the structural representation of the swing rod of water pump in Fig. 1；
Fig. 7 is the schematic diagram of the motor of water pump in Fig. 1.
In figure：10th, pump case；11st, the first pipelined channel；12nd, the second pipelined channel；20th, motor；21st, output shaft；22、
Eccentric wheel；23rd, bearing；24th, rotor magnet；25th, silicon steel sheet group；30th, swing rod；31st, mounting hole；40th, diaphragm assembly；41st, lid；
42nd, barrier film；421st, first；422nd, second；50th, chamber；60th, the first valve bracket；61st, the first hole；62nd, first check-valve
Piece；63rd, gas pressure relief slot；64th, mounting groove；70th, the second valve bracket；71st, the second hole；72nd, second check-valve piece；80th, briquetting；91、
Storage tank；92nd, wearing piece.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further, it is necessary to explanation is,
On the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
It refer to Fig. 1-7, the water pump that the utility model embodiment provides, including pump case 10, motor 20 and swing rod 30, pump
Housing 10 is provided with diaphragm assembly 40, and diaphragm assembly 40 includes lid 41 and barrier film 42, the region between barrier film 42 and lid 41
Formed chamber 50, motor 20 drive swing rod 30 move back and forth and drive barrier film 42 to move, for make chamber 50 volume increase or
Reduce；Pump case 10 is provided with the first pipelined channel 11 and the second pipelined channel 12；One end of first pipelined channel 11 is provided with the
One valve bracket 60, one end of the second pipelined channel 12 are provided with the second valve bracket 70, and the first valve bracket 60 and the second valve
Plate rack 70 is located at same one end of pump case 10；First valve bracket 60, which is provided with, to be used to connect the first pipelined channel 11 and chamber
50 the first hole 61 and the first check-valve piece 62 for blocking the first hole 61, the second valve bracket 70, which is provided with, to be used to connect the
Second hole 71 of two pipelined channels 12 and chamber 50 and the second check-valve piece 72 for blocking the second hole 71；First valve block branch
Frame 60 is provided with gas pressure relief slot 63, and the first valve bracket 60 is provided with the mounting groove 64 for being used for installing first check-valve piece 62, pressure release
Groove 63 is located at the bottom wall of mounting groove 64, and the bottom wall of mounting groove 64 is run through in the first hole 61, and gas pressure relief slot 63 connects with the first hole 61.
The water pump of above-mentioned technical proposal, because pump case 10 is provided with the first pipelined channel 11 and the second pipelined channel 12；
One end of first pipelined channel 11 is provided with the first valve bracket 60, and the first valve bracket 60 is provided with leads to for connecting the first flowing water
First hole 61 of road 11 and chamber 50 and the first check-valve piece 62 for blocking the first hole 61；First valve bracket 60 is provided with
Gas pressure relief slot 63, the first valve bracket 60 are provided with the mounting groove 64 for being used for installing first check-valve piece 62, and gas pressure relief slot 63 is located at peace
The bottom wall of mounting groove 64 is run through in the bottom wall of tankage 64, the first hole 61, and gas pressure relief slot 63 connects with the first hole 61, discharge when aqueous water and
When chamber produces excessive pressure, water in chamber 50 by gas pressure relief slot 63 and pressure release to the first pipelined channel 11, without addition
Extra outside pressure relief device, which carries out pressure release, can reach the purpose of pressure release, not only avoid because in chamber hydraulic pressure it is excessive lead
The security hidden trouble of cause, and space can be saved, reduce cost.
As preferred embodiment, length direction the radially extending along the first hole 61 of gas pressure relief slot 63.Gas pressure relief slot 63
Depth is 0.15mm-0.35mm, and the width of gas pressure relief slot 63 is 0.4mm-0.6mm.In the present embodiment, the depth of gas pressure relief slot 63 is
0.25mm, the width of gas pressure relief slot 63 is 0.5mm.The first check-valve piece 62 of said structure, in water pump normal work, Neng Goushi
Now control the opening and closing in the first hole 61；After water pump powers off suddenly to be stopped, the high pressure of chamber interior can pass through gas pressure relief slot 63
And pressure release is to the first pipelined channel 11, avoid because in chamber 50 pressure it is excessive can not be quickly normal startup the problem of.
As preferred embodiment, the structure of the second valve bracket 70 is identical with the structure of the first valve bracket 60.Every
The quantity of membrane module 40 is two, and two diaphragm assemblies 40 are symmetricly set in the both ends of pump case 10, thus the water pump has two
Individual chamber 50 so that motor 20 rotates a circle and realizes water inlet and draining twice twice, and output flow is big, and output pressure is high.Specifically
Ground, the extension that first check-valve piece 62 includes cap body (not indicating) and is connected with cap body and is engaged with the first hole (are not marked
Show), the structure of first check-valve piece 62 is identical with the structure of second check-valve piece 72, and the cap body of first check-valve piece 62 is located at the
One valve bracket 60 is located at the first valve bracket 60 away from chamber close to the side of chamber 50, the extension of first check-valve piece 62
Side, the cap body of second check-valve piece 72 stops located at the second valve bracket 70 close to the side of the second pipelined channel 12, second
The extension for returning valve block 72 is located at side of second valve bracket 70 away from the second pipelined channel 12.
As preferred embodiment, water pump also includes briquetting 80, and barrier film 42 is crimped on the one of swing rod 30 by briquetting 80
End, lid 41 are provided with the locating slot being adapted with briquetting 80, can so avoid briquetting 80 from occurring in the upper surface of barrier film 42
Displacement.
As preferred embodiment, barrier film 42 includes first 421 and second extended from first 421
422, first 421 seals the storage tank 91 cooperatively formed for housing swing rod 30 with pump case 10, can so avoid high pressure
When chamber 50 water the problem of entering storage tank 91, first 421 voltage that can be resistant to more than 6000V；It is provided with for second 422
Two through holes (not indicating) being engaged respectively with the first valve bracket 60 and the second valve bracket 70.Pump case 10 passes through barrier film
42 realize the sealed connection with lid 41, so the water of chamber 50 can be avoided to leak to outside.The energy of barrier film 42 of said structure
Enough realize multistage bidirectional seal, can either high pressure when chamber 50 water enter storage tank 91, and can enough avoids the water of chamber 50 from letting out
Reveal to outside.
As preferred embodiment, swing rod 30 is provided with mounting hole 31, and the output shaft 21 of motor 20 passes through eccentric wheel 22
Be installed on bearing 23 on mounting hole 31, bearing 23 located at eccentric wheel 22 and installation hole wall between, bearing 23 with installation hole wall it
Between be provided with wearing piece 92, wearing piece 92 is stainless steel wearing piece, and said structure can effectively prevent swing rod 30 in the work of high pressure
Under, installation hole wall and the junction of bearing 23 of swing rod 30 occur abrasion and influence water-aspirator pressure output.As shown in fig. 7, motor
20 rotor magnets 24 and silicon steel sheet group 25 including being sheathed on output shaft 21, matching somebody with somebody between rotor magnet 24 and silicon steel sheet group 25
Clearance D is closed to be more than 0.25mm and be less than 0.7mm.The diameter of axle of output shaft 21 is more than 3.175mm and is less than 4mm, the diameter of motor 20
For 35.8mm.In the present embodiment, the fit clearance D between rotor magnet 24 and silicon steel sheet group 25 is 0.35mm, in output shaft
In the case that 21 diameter of axle increases, the integral diameter of motor 20 is constant, between the cooperation between rotor magnet 24 and silicon steel sheet group 25
Gap reduces half, thus adds the load life of motor 20, increases motor torque, reduces operating current, so as to realize
The effect that motor 20 saves.
The operation principle of above-described embodiment is as follows：The output shaft 21 of motor 20 is by eccentric wheel 22 and bearing 23 with driven fork
30 move reciprocatingly, and swing rod 30 drives barrier film 42 to move, and the volume of chamber 50 is increased or is reduced.When the volume of chamber 50 increases
When, first check-valve piece 62 blocks the first hole 61, and second check-valve piece 72 departs from the second hole 71, the draining of chamber 50；When chamber 50
Volume when reducing, first check-valve piece 62 departs from the first hole 61, and second check-valve piece 72 blocks the second hole 71, and chamber 50 enters
Water.Alternately water inlet and the draining of two chambers 50, it is to complete water inlet and draining twice twice that motor 20, which rotates one and encloses the water pump,.
Above-mentioned embodiment is only preferred embodiment of the present utility model, it is impossible to is protected with this to limit the utility model
Scope, the change of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model scope claimed.
Claims (10)
1. a kind of water pump, it is characterised in that including pump case, motor and swing rod, the pump case is provided with diaphragm assembly, described
Diaphragm assembly includes lid and barrier film, the region formation chamber between the barrier film and the lid, described in the motor driving
Swing rod moves back and forth and drives the diaphragm movement, and the volume for making the chamber increases or reduced；
The pump case is provided with the first pipelined channel and the second pipelined channel；One end of first pipelined channel is provided with first
Valve bracket, one end of second pipelined channel are provided with the second valve bracket, and first valve bracket and described second
Valve bracket is located at same one end of the pump case；First valve bracket, which is provided with, to be used to connect first pipelined channel
First check-valve piece with the first hole of the chamber and for blocking first hole, second valve bracket, which is provided with, to be used
In the second hole for connecting second pipelined channel and the chamber and second check-valve piece for blocking second hole；
First valve bracket is provided with gas pressure relief slot, and first valve bracket, which is provided with, to be used to install the first check-valve piece
Mounting groove, the gas pressure relief slot are located at the bottom wall of the mounting groove, and the bottom wall of the mounting groove, the pressure release are run through in first hole
Groove connects with first hole.
2. water pump as claimed in claim 1, it is characterised in that radial direction of the length direction of the gas pressure relief slot along first hole
Extension.
3. water pump as claimed in claim 2, it is characterised in that the depth of the gas pressure relief slot is 0.15mm-0.35mm, described to let out
The width of indent is 0.4mm-0.6mm.
4. water pump as claimed in claim 1, it is characterised in that the structure of second valve bracket and the first valve block branch
The structure of frame is identical.
5. the water pump as described in claim any one of 1-4, it is characterised in that the quantity of the diaphragm assembly is two, two
The diaphragm assembly is symmetricly set in the both ends of the pump case.
6. water pump as claimed in claim 5, it is characterised in that the water pump also includes briquetting, and the barrier film passes through the pressure
Block is crimped on one end of the swing rod.
7. water pump as claimed in claim 5, it is characterised in that the barrier film include first and from described first extension and
Second gone out, described first storage tank cooperatively formed with pump case sealing for housing the swing rod；Described
Two are provided with two through holes being engaged respectively with first valve bracket and second valve bracket.
8. water pump as claimed in claim 5, it is characterised in that the swing rod is provided with mounting hole, the output shaft of the motor
It is installed on by eccentric wheel and bearing on the mounting hole, the bearing is located between the eccentric wheel and the installation hole wall,
Wearing piece is provided between the bearing and the installation hole wall.
9. water pump as claimed in claim 8, it is characterised in that the wearing piece is stainless steel wearing piece.
10. water pump as claimed in claim 8, it is characterised in that the motor includes the rotor being sheathed on the output shaft
Magnet and silicon steel sheet group, the fit clearance between the rotor magnet and the silicon steel sheet group are more than 0.25mm and are less than 0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817523.4U CN207212640U (en) | 2017-07-06 | 2017-07-06 | A kind of water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817523.4U CN207212640U (en) | 2017-07-06 | 2017-07-06 | A kind of water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212640U true CN207212640U (en) | 2018-04-10 |
Family
ID=61812577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720817523.4U Active CN207212640U (en) | 2017-07-06 | 2017-07-06 | A kind of water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207212640U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110799753A (en) * | 2018-09-30 | 2020-02-14 | 深圳市大疆软件科技有限公司 | Diaphragm pump and agricultural unmanned aerial vehicle |
| WO2020062570A1 (en) * | 2018-09-30 | 2020-04-02 | 深圳市大疆软件科技有限公司 | Diaphragm pump and agricultural unmanned aerial vehicle |
-
2017
- 2017-07-06 CN CN201720817523.4U patent/CN207212640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110799753A (en) * | 2018-09-30 | 2020-02-14 | 深圳市大疆软件科技有限公司 | Diaphragm pump and agricultural unmanned aerial vehicle |
| WO2020062570A1 (en) * | 2018-09-30 | 2020-04-02 | 深圳市大疆软件科技有限公司 | Diaphragm pump and agricultural unmanned aerial vehicle |
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