CN102242706A - Micro water pump - Google Patents
Micro water pump Download PDFInfo
- Publication number
- CN102242706A CN102242706A CN2011101896696A CN201110189669A CN102242706A CN 102242706 A CN102242706 A CN 102242706A CN 2011101896696 A CN2011101896696 A CN 2011101896696A CN 201110189669 A CN201110189669 A CN 201110189669A CN 102242706 A CN102242706 A CN 102242706A
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- China
- Prior art keywords
- water
- seat
- water pocket
- crank
- housing
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Abstract
The invention discloses a micro water pump, which comprises a motor, a shell, and an upper cover provided with a water inlet pipeline and a water outlet pipeline, wherein the motor is fixed at the bottom of the shell, a driving shaft of the motor extends into the shell and is provided with a driving gear, the driving gear is engaged with a driven gear, and the lower end of a pendulum shaft is obliquely inserted into the driven gear; a water bag seat, a valve seat and the upper cover are sequentially connected along the upper part of the shell and fixed with one another, the middle of the water bag seat is provided with a through hole, and the lower part of the inner surface of the middle through hole of the water bag seat is of an outwards stretching cone; a water bag, the lower part of which is provided with a connecting protrusion, is sleeved on the through hole of the water bag seat; the valve seat is provided with a water inlet check valve sheet and a water outlet check valve sheet; the lower part of a crank is sleeved at the upper end of the pendulum shaft, and the edge of the crank is connected with the connecting protrusion at the lower part of the water bag; and a soft water blocking sheet is arranged between the upside of the crank and the lower part of the water bag, the middle of the water blocking sheet is sleeved on the connecting protrusion at the lower part of the water bag, and the edge of the water blocking sheet is pressed between the lower end face of the water bag seat and the upper end face of the shell. The micro water pump has the advantages of long service life, good electric safety and wide application range.
Description
Technical field
The present invention relates to the pump technology field, especially a kind of micro pump of water-bag type.
Background technique
At present, micro pump has been widely used in occasions such as small household appliances, medical equipment, detecting instrument, traditional micro pump adopts centrifugal structure more, generally constitute by motor, housing, impeller and end cap, the water pump operation of this structure is after a period of time, and wearing and tearing can appear in impeller, causes the pressure and the instability of flow of water pump, sometimes impeller the stuck over current of motor that makes also can occur and the working life of reduction water pump occur damaging.
Along with development of technology, the part micro pump also adopts the structure of water-bag type, the structure of water-bag type has the characteristics of pressure, stability of flow, but the water pump of existing water-bag type, owing to distortion can occur after water pocket is filled with water, easy and water pocket seat friction causes water pocket to damage, and water pocket can leak after damaging, water can make the motor short circuit cause damage by flow direction motor again, and maintenance cost is higher.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of micro pump, and long service life, electrical security are good, and pressure flow is stable, and is applied widely.
For achieving the above object, technological scheme of the present invention is: a kind of micro pump, comprise motor, housing, be provided with the loam cake of inlet pipeline and rising pipe, motor is fixed on the bottom surface of housing, motor driving shaft stretches in the housing, fix a driving gear on the motor driving shaft, driving gear and a driven gear are meshed, driven gear is enclosed within on the bearing pin that is fixed in the housing and with bearing pin and forms Spielpassung, and balance staff lower end and driven gear center of rotation axis are crossed as several angle and are inserted on the driven gear; Be connected with water pocket seat, valve seat and loam cake in turn along the top of housing and interfix, the centre of water pocket seat is provided with through hole, water pocket seat intermediate throughholes internal surface bottom is the cone-shaped that outwards stretches, water pocket is set on the through hole of water pocket seat, the outward edge of water pocket is close to the water pocket seat, and the bottom of water pocket is provided with connection bump; Valve seat is provided with intake tunnel and exhalant canal, and the inlet pipeline of intake tunnel and loam cake communicates, and the rising pipe of exhalant canal and loam cake communicates, and into water non-return valve block is housed on the intake tunnel, and the Water Check Valve sheet is housed out on the exhalant canal; Be provided with center hole in the middle of the crank bottom, the edge is provided with attachment hole, and the attachment hole of crank rim is enclosed within on the connection bump of water pocket bottom, and the center hole in the middle of the crank bottom is enclosed within the upper end of balance staff; Be provided with soft water proof sheet between the bottom of the top and water pocket of crank, the centre of water proof sheet is provided with through hole, through hole in the middle of the utilization of water proof sheet is enclosed within on the connection bump of water pocket bottom and with described connection bump and forms sealing, and the outward edge of water proof sheet is crushed between the lower end surface of the upper-end surface of housing and water pocket seat.
Further improve, the center hole of described crank bottom is equipped with axle sleeve, has center hole, crank to utilize the center hole of axle sleeve to be enclosed within the upper end of balance staff on the axle sleeve and forms Spielpassung with balance staff, the lower end of balance staff and driven gear form drive fit, the working life that can improve crank.
Further improve, the recessed groove of one circle is arranged in the middle of the described water proof sheet, the shape that groove surrounds is identical with the crank profile, size is a bit larger tham crank boundary dimension, through hole in the middle of the water proof sheet is located at the intermediate portion that groove surrounds, the water proof sheet easily and crank is fitted like this and pliability is good, further reduces the loss that motor transmits energy.
Further improve, the outer surface of housing, water pocket seat, valve seat and loam cake both sides is provided with the draw-in groove of three road correspondences, jump ring is housed on the draw-in groove is fixed together housing, water pocket seat, valve seat and loam cake, the elasticity that such structure is certain because of jump ring has can overcome housing, water pocket seat, valve seat and loam cake and occur deformed damaged because of expanding with heat and contract with cold or reduce tightness between them.
Further improve, an O-ring seal also can be set between described valve seat and the loam cake, further strengthen the sealability between valve seat and the loam cake.
Further improve, described housing is provided with to install uses fixed plate, installs with being processed with a plurality of mounting holes on the fixed plate, makes things convenient for the installation of water pump.
Above-mentioned micro pump, described water pocket is made of three bell rubber body disjunctors, the bottom of three bell rubber body is equipped with connection bump, the middle correspondence of water pocket seat is provided with three through holes, correspondence is equipped with and is equipped with three on three water inlet non-return valve blocks, the exhalant canals and goes out the Water Check Valve sheet on the intake tunnel of valve seat, crank rim is provided with three attachment holes, the centre of water proof sheet is provided with three through holes, the motor that such structure makes rotates a circle can realize three suctions and drainage procedure, improves operational efficiency.
Water inlet non-return valve block with go out the Water Check Valve sheet and be designed to umbrella shape shape structure, further improve its reliability of operation.
Further improve, be provided with three locating columns in the bottom of water pocket seat, the upper-end surface of housing is provided with three positioning holes, the water proof sheet is provided with and corresponding three through holes of three locating columns in water pocket seat bottom along outward edge, the water proof sheet utilizes three through holes of outward edge to be enclosed within that its outward edge is crushed between the upper-end surface of water pocket seat lower end surface and housing on three locating columns in water pocket seat bottom, can prevent effectively that end face between water pocket seat and the housing from dislocation occurring and guaranteeing that water proof sheet edge does not move its upper and lower being formed isolate.
The main beneficial effect of the present invention is as follows:
1, the present invention is designed to the outwards cone-shaped of stretching, extension to water pocket seat intermediate throughholes internal surface bottom, producing distortion in the time of can preventing that water pocket is filled with water rubs mutually with water pocket seat intermediate throughholes internal surface and causes the damage of water pocket, improve the working life of water pocket greatly, therefore the life-span of whole water pump is longer; On the other hand, be provided with soft water proof sheet between the bottom of the top and water pocket of crank, water proof sheet outward edge is crushed on and makes the formation of bottom of the top of water proof sheet and water proof sheet isolate between the upper-end surface of water pocket seat lower end surface and housing, leak even damaging partly appears in water pocket, the motor that water also can not flow to lower housing portion partly makes the motor short circuit cause damage, improves the electrical security of water pump;
2, the present invention utilizes the to-and-fro motion of water pocket to realize the function of suction and draining, the moving parts of suction water section has only valve block and water pocket, even long-play, the impeller variation of build-up of pressure and flow of can wearing and tearing in the time of can not occurring as the vane pump long-play, as long as water pocket does not damage, water pump can keep-up pressure the long period, stability of flow;
3, the present invention can be by changing the engagement ratio of driving gear and driven gear, make driven gear can realize different rotating speeds, thereby change the reciprocating frequency of water pocket, make things convenient for water pump to carry out the allotment of flow and pressure, guarantee that the hydraulic pressure high flow capacity reaches the noise that reduces water pump greatly, the occasion that is suitable for increases, and Applicable scope is wider.
Description of drawings
Fig. 1 is a stereogram of the present invention;
Fig. 2 is a plan view of the present invention;
Fig. 3 is the A-A sectional drawing of Fig. 2;
Fig. 4 is a three-dimensional exploded view of the present invention;
Fig. 5 is a water pocket seat stereo amplification figure of the present invention;
Fig. 6 is a water pocket stereo amplification figure of the present invention;
Fig. 7 is a valve seat stereo amplification figure of the present invention;
Fig. 8 is that crank of the present invention is equipped with the axle sleeve stereo amplification figure;
Fig. 9 is a water proof sheet stereo amplification figure of the present invention;
Figure 10 is a housing stereo amplification figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing and concrete mode of execution the present invention is described in further detail.
Fig. 1 is to shown in Figure 4, a kind of micro pump, comprise motor 1, housing 2, be provided with the loam cake 3 of inlet pipeline 31 and rising pipe 32, motor 1 is fixed on the bottom surface of housing 2, motor 1 live axle 11 stretches in the housing 2, fix a driving gear 4 on motor 1 live axle 11, driving gear 4 and a driven gear 5 are meshed, driven gear 5 is enclosed within on the bearing pin 6 that is fixed in the housing 2, balance staff 7 lower end and driven gear 5 center of rotation axis are crossed as several angle and are inserted on the driven gear 5, balance staff 7 lower ends and driven gear 5 form drive fit, also can set up a graphite gasket 18 on the bearing pin 6 between driven gear 5 and the housing 2;
Top along housing 2 is connected with water pocket seat 8, valve seat 9 and loam cake 3 in turn, and the outer surface of housing 2, water pocket seat 8, valve seat 9 and loam cake 3 is provided with the corresponding draw-in groove in three roads, with three jump rings 10 housing 2, water pocket seat 8, valve seat 9 and loam cake 3 is fixed together.
In conjunction with Fig. 5, shown in Figure 6, the centre of water pocket seat 8 is provided with three through holes 81, three through holes, 81 internal surface bottoms 811 in the middle of the water pocket seat 8 are designed to the outwards cone-shaped of stretching, extension, water pocket 11 is made of three bell rubber body 111 disjunctors, three bell rubber body 111 of water pocket 11 are enclosed within on three through holes 81 of water pocket seat 8 centres, water pocket seat 8 is close at the edge of water pocket 11 isolates the top and following formation of water pocket seat 8, respectively is provided with connection bump 112 in three bell rubber body 111 bottoms of water pocket 11;
In conjunction with shown in Figure 7, valve seat 9 is provided with intake tunnel 91 and exhalant canal 92, the inlet pipeline 31 of intake tunnel 91 and loam cake 3 communicates, the rising pipe 32 of exhalant canal 92 and loam cake 3 communicates, three water inlet non-return valve blocks 12 are housed on the intake tunnel 91 of valve seat 9, be equipped with three on the exhalant canal 92 and go out Water Check Valve sheet 13, water inlet non-return valve block 12 and go out Water Check Valve sheet 13 and adopt umbrella shape shape structures;
In conjunction with shown in Figure 8, be provided with in the middle of crank 14 bottoms axle sleeve 15 is housed on center hole and the center hole, axle sleeve 15 is provided with center hole, crank 14 edges are provided with three attachment holes 141, three attachment holes 141 at crank 14 edges are enclosed within on three connection bumps 112 in three bell rubber body, 111 bottoms of water pocket 11, crank 14 is enclosed within the upper end of balance staff 7 by the center hole of axle sleeve 15, the upper end of the center hole of axle sleeve 15 and balance staff 7 is a Spielpassung, is provided with soft water proof sheet 16 between the bottom of the top and water pocket 11 of crank 14.
In conjunction with Fig. 9, shown in Figure 10, the centre of water proof sheet 16 is provided with three through holes 161, and three through holes 161 in the middle of water proof sheet 16 utilizes are enclosed within on three connection bumps 112 in three bell rubber body, 111 bottoms of water pocket 11 and with described three connection bumps 112 and form sealing; The recessed groove 162 of one circle is arranged in the middle of the water proof sheet 16, the shape that groove 162 surrounds is identical with crank 14 profiles, size is a bit larger tham crank 14 boundary dimension, three through holes 161 in the middle of the water proof sheet 16 are located at the intermediate portion that groove 162 surrounds, the edge of water proof sheet 16 also is provided with three through holes 163, the bottom of water pocket seat 8 is provided with three locating columns 82, the upper-end surface of housing 2 is provided with three positioning holes 21, water proof sheet 16 utilizes three through holes 163 at edge to be enclosed within on three locating columns 82 of water pocket seat 8 bottoms, the edge of water proof sheet 16 is crushed on the upper-end surface of the lower end surface of water pocket seat 8 and housing 2, housing 2 parts of the top of water proof sheet 16 and water proof sheet 16 bottoms is formed isolate.
The sealability that an O-ring seal 17 increases between valve seat 9 and the loam cake 3 also is set between valve seat 9 and the loam cake 3.
Working principle of the present invention is, motor 1 rotates, motor 1 live axle 11 drives driving gear 4 and rotates, driving gear 4 drives driven gear 5 again and rotates, driven gear 5 rotates and makes balance staff 7 move in a umbrella shape track, the upper end of balance staff 7 is through again on the center hole of crank 14 bottom axle sleeves 15, balance staff 7 is provided with three bell rubber body 111 that three attachment holes 141 make water pocket 11 successively by crank 14 edges again and does and stretch and compression movement, the top of change water pocket seat 8 and the bottom of valve seat 9 surround the volume in space, the Water Check Valve sheet of installing on water inlet non-return valve block of installing by valve seat 9 intake tunnels 91 12 and the exhalant canal 92 again 13 that goes out cooperates and realizes suction and drain functions, and motor 1 rotates a circle can realize three times suction and drainage procedure.
Those skilled in the art should be understood that above embodiment is used for illustrating the present invention, is not as limitation of the invention, and all variations of doing to be equal to by claim all fall into the protection domain of this case.
Claims (9)
1. micro pump comprises motor, housing, is provided with the loam cake of inlet pipeline and rising pipe, and motor is fixed on the bottom surface of housing, and motor driving shaft stretches in the housing, it is characterized in that:
Fix a driving gear on the motor driving shaft, driving gear and a driven gear are meshed, driven gear is enclosed within on the bearing pin that is fixed in the housing and with bearing pin and forms Spielpassung, and balance staff lower end and driven gear center of rotation axis are crossed as several angle and are inserted on the driven gear;
Be connected with water pocket seat, valve seat and loam cake in turn along the top of housing and interfix, the centre of water pocket seat is provided with through hole, water pocket seat intermediate throughholes internal surface bottom is the cone-shaped that outwards stretches, water pocket is set on the through hole of water pocket seat, the outward edge of water pocket is close to the water pocket seat, and the bottom of water pocket is provided with connection bump;
Valve seat is provided with intake tunnel and exhalant canal, and the inlet pipeline of intake tunnel and loam cake communicates, and the rising pipe of exhalant canal and loam cake communicates, and into water non-return valve block is housed on the intake tunnel, and the Water Check Valve sheet is housed out on the exhalant canal;
Be provided with center hole in the middle of the crank bottom, the edge is provided with attachment hole, and the attachment hole of crank rim is enclosed within on the connection bump of water pocket bottom, and the center hole in the middle of the crank bottom is enclosed within the upper end of balance staff;
Be provided with soft water proof sheet between the bottom of the top and water pocket of crank, the centre of water proof sheet is provided with through hole, through hole in the middle of the utilization of water proof sheet is enclosed within on the connection bump of water pocket bottom and with described connection bump and forms sealing, and the outward edge of water proof sheet is crushed between the lower end surface of the upper-end surface of housing and water pocket seat.
2. micro pump according to claim 1, it is characterized in that: the center hole of described crank bottom is equipped with axle sleeve, center hole is arranged on the axle sleeve, and crank utilizes the center hole of axle sleeve to be enclosed within the upper end of balance staff and forms Spielpassung with balance staff, and the lower end of balance staff and driven gear form drive fit.
3. micro pump according to claim 1, it is characterized in that: the recessed groove of a circle is arranged in the middle of the described water proof sheet, the shape that groove surrounds is identical with the crank profile, size is a bit larger tham crank boundary dimension, and the through hole in the middle of the water proof sheet is located at the intermediate portion that groove surrounds.
4. micro pump according to claim 1 is characterized in that: the outer surface of housing, water pocket seat, valve seat and loam cake both sides is provided with the draw-in groove of three road correspondences, jump ring is housed on the draw-in groove housing, water pocket seat, valve seat and loam cake are fixed together.
5. micro pump according to claim 1 is characterized in that: an O-ring seal also is set between described valve seat and the loam cake.
6. micro pump according to claim 1 is characterized in that: described housing is provided with to install uses fixed plate, installs and is provided with a plurality of mounting holes with fixed plate.
7. according to each described micro pump of claim 1 to 6, it is characterized in that: described water pocket is made of three bell rubber body disjunctors, the bottom of three bell rubber body is equipped with connection bump, the middle correspondence of water pocket seat is provided with three through holes, correspondence is equipped with and is equipped with three on three water inlet non-return valve blocks, the exhalant canals and goes out the Water Check Valve sheet on the intake tunnel of valve seat, crank rim is provided with three attachment holes, and the centre of water proof sheet is provided with three through holes.
8. micro pump according to claim 7 is characterized in that: described water inlet non-return valve block is a umbrella shape shape structure with going out the Water Check Valve sheet.
9. micro pump according to claim 7, it is characterized in that: the bottom of described water pocket seat is provided with three locating columns, the upper-end surface of housing is provided with three positioning holes, the water proof sheet is provided with and corresponding three through holes of three locating columns in water pocket seat bottom along outward edge, and the water proof sheet utilizes three through holes of outward edge to be enclosed within that its outward edge is crushed between the upper-end surface of water pocket seat lower end surface and housing on three locating columns in water pocket seat bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110189669 CN102242706B (en) | 2011-07-07 | 2011-07-07 | Micro water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110189669 CN102242706B (en) | 2011-07-07 | 2011-07-07 | Micro water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102242706A true CN102242706A (en) | 2011-11-16 |
| CN102242706B CN102242706B (en) | 2013-09-11 |
Family
ID=44960911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110189669 Active CN102242706B (en) | 2011-07-07 | 2011-07-07 | Micro water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102242706B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536756A (en) * | 2012-01-13 | 2012-07-04 | 厦门坤锦电子科技有限公司 | Miniature liquid pump |
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| JP2007162472A (en) * | 2005-12-09 | 2007-06-28 | Oken Ltd | Diaphragm pump |
| CN200943570Y (en) * | 2006-08-04 | 2007-09-05 | 黄旭浩 | Miniature diaphragm pump |
| JP3151339U (en) * | 2009-04-08 | 2009-06-18 | 応研精工株式会社 | Diaphragm pump |
| JP2009299530A (en) * | 2008-06-11 | 2009-12-24 | Oken Ltd | Diaphragm pump |
| CN201747572U (en) * | 2010-09-13 | 2011-02-16 | 厦门坤锦电子科技有限公司 | Dual-connecting body diaphragm air pump |
| CN201771732U (en) * | 2010-09-17 | 2011-03-23 | 厦门坤锦电子科技有限公司 | Tetrad diaphragm air pump |
| CN202140310U (en) * | 2011-07-07 | 2012-02-08 | 厦门坤锦电子科技有限公司 | Micro water pump |
-
2011
- 2011-07-07 CN CN 201110189669 patent/CN102242706B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007162472A (en) * | 2005-12-09 | 2007-06-28 | Oken Ltd | Diaphragm pump |
| CN200943570Y (en) * | 2006-08-04 | 2007-09-05 | 黄旭浩 | Miniature diaphragm pump |
| JP2009299530A (en) * | 2008-06-11 | 2009-12-24 | Oken Ltd | Diaphragm pump |
| JP3151339U (en) * | 2009-04-08 | 2009-06-18 | 応研精工株式会社 | Diaphragm pump |
| CN201747572U (en) * | 2010-09-13 | 2011-02-16 | 厦门坤锦电子科技有限公司 | Dual-connecting body diaphragm air pump |
| CN201771732U (en) * | 2010-09-17 | 2011-03-23 | 厦门坤锦电子科技有限公司 | Tetrad diaphragm air pump |
| CN202140310U (en) * | 2011-07-07 | 2012-02-08 | 厦门坤锦电子科技有限公司 | Micro water pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536756A (en) * | 2012-01-13 | 2012-07-04 | 厦门坤锦电子科技有限公司 | Miniature liquid pump |
| CN102536756B (en) * | 2012-01-13 | 2015-05-13 | 厦门坤锦电子科技有限公司 | Miniature liquid pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102242706B (en) | 2013-09-11 |
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