CN111878340A - Booster-type miniature domestic water pump - Google Patents
Booster-type miniature domestic water pump Download PDFInfo
- Publication number
- CN111878340A CN111878340A CN202010773681.0A CN202010773681A CN111878340A CN 111878340 A CN111878340 A CN 111878340A CN 202010773681 A CN202010773681 A CN 202010773681A CN 111878340 A CN111878340 A CN 111878340A
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- Prior art keywords
- hole
- water
- fixed
- communicated
- wall
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0413—Cams
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0452—Distribution members, e.g. valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a booster-type miniature household water pump, which comprises a pump shell, wherein a cylinder body is fixed in a circular groove of the pump shell, a piston is sleeved in each of a plurality of cylinder holes of the cylinder body and can reciprocate, an automatic inward resetting mechanism is arranged on each piston, a water outlet groove is formed in the outer wall of the lower end of the cylinder body, and a notch communicated with the water outlet groove is formed in the outer end of each cylinder hole; a boss is formed on the pump shell, a water storage tank is formed on the boss, and a through hole communicated with the water outlet tank is formed on the bottom surface of the water storage tank; a cover plate is fixed on the end surface of the water storage tank, a hollow pipe is formed on the cover plate, the hollow pipe is communicated with a flow passage on the cylinder body, and the flow passage is communicated with the driving cavity; the outer end of the hollow pipe is formed with a water inlet connecting hole, and the cover plate is also formed with a water outlet connecting hole communicated with the water storage tank. The invention can pressurize tap water, can improve the efficiency and quality of cleaning work such as flushing the ground, washing cars and the like, and has simple structure, small volume and convenient transfer and transportation.
Description
Technical Field
The invention relates to the technical field of water pumps, in particular to a booster-type miniature household water pump.
Background
In daily life, the cleaning work such as flushing the ground, washing the car and the like by using tap water is usually required; although tap water has a certain water pressure, the water pressure is insufficient for flushing the ground and washing the vehicles, so that the cleaning work with high speed and high quality cannot be achieved, and equipment for pressurizing the tap water is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a booster-type miniature household water pump which can boost tap water, can improve the efficiency and quality of cleaning work such as land flushing, car washing and the like, has a simple structure and small volume, and is convenient to transfer and carry.
The scheme for solving the technical problems is as follows:
a booster-type miniature household water pump comprises a pump shell, wherein a circular groove with an opening at the upper side is formed in the pump shell, a cylindrical cylinder body is fixed in the circular groove, a driving cavity with an opening at the upper side is formed in the middle of the cylinder body, a plurality of cylinder holes which are uniformly distributed at the periphery are formed in the inner wall of the driving cavity, a piston is sleeved in each cylinder hole, a push rod is formed in the middle of the piston, the inner end of the push rod is fixed in the middle of a driving rod which is vertically arranged with the push rod, the driving rod is pressed against the outer wall of a cam, the cam is fixed on a motor shaft of the motor, the motor is fixed on an upper bottom cover, the upper bottom cover is fixed on the upper end face of the pump shell;
a water outlet groove is formed in the outer wall of the lower end of the cylinder body, and a notch communicated with the water outlet groove is formed in the outer end of each cylinder hole;
a boss is formed on the outer wall of the pump shell, a water storage tank is formed on the boss, and a through hole communicated with the water outlet tank is formed on the bottom surface of the water storage tank; a cover plate is fixed on the end surface of the water storage tank, an inward-protruding hollow pipe is formed on the cover plate, the inner end of the hollow pipe penetrates through the bottom surface of the water storage tank to be communicated with a flow channel on the cylinder body, and the flow channel is communicated with the driving cavity; the outer end of the hollow pipe is formed with a water inlet connecting hole, and the cover plate is also formed with a water outlet connecting hole communicated with the water storage tank.
The bottom surface of the driving cavity is formed with a plurality of step through holes, the bottom surface of the circular groove is formed with a plurality of thread counter bores which are in one-to-one correspondence with the step through holes, a fastening screw is sleeved in each step through hole, and the lower end of each fastening screw is in threaded connection with the corresponding thread counter bore.
The automatic inward resetting mechanism comprises a plurality of spring seats which are fixedly connected with the inner port parts of the cylinder holes one by one, the inner ends of the spring seats are fixed with one ends of tension springs, and the other ends of the tension springs are fixedly connected with a corresponding piston;
the spring holder is formed with a rectangular groove with an opening at the inner side, and the driving rod is sleeved in the rectangular groove.
A valve hole with an opening at the outer side is formed in the piston, a first taper hole with a large outer part and a small inner part is formed in the middle of the valve hole, and a water passing through hole communicated with the inner end of the valve hole is formed in the ejector rod;
one-way water outlet mechanism is including setting up be annular spring support plate, first pressure spring and the first ball that pushes up that is in the outer end of valve opening, and first ball that pushes up presses on the inner wall of first taper hole, and spring support plate fixes on the outer end inner wall of valve opening, and first pressure spring centre gripping is between first ball and spring support plate.
A first sealing groove is formed in the outer wall of the upper end of the cylinder body, a first sealing ring is sleeved in the first sealing groove, and the first sealing ring is pressed against the inner wall of the circular groove;
and a second sealing groove is formed in the upper end face of the driving cavity, a second sealing ring is sleeved in the second sealing groove, and the second sealing ring is pressed against the upper bottom cover.
A second taper hole with a large outer part and a small inner part is formed in the middle of the through hole;
the outside in second taper hole is equipped with second and pushes up the pearl, and second pushes up the pearl and presses on the inner wall in second taper hole, and second pushes up the pearl and fixes on the bracing piece that lies in the through-hole and set up with the axle center, and the outer end plug bush of bracing piece is in supporting the cover pipe, and supporting the cover pipe is fixed on the apron, the centre gripping has the second pressure spring between bracing piece and the supporting the sheathed tube bottom surface.
The bottom of the pump shell is formed with a plurality of raised small bosses which are arranged at the same height.
The invention has the following outstanding effects: compared with the prior art, the water pump can pressurize tap water, can improve the efficiency and quality of cleaning work such as flushing, car washing and the like, and has the advantages of simple structure, small size and convenient transfer and transportation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 taken about A-A;
FIG. 4 is a cross-sectional view of FIG. 2 taken about B-B;
FIG. 5 is an enlarged view of a portion of FIG. 2 taken about D;
FIG. 6 is an enlarged view of a portion of FIG. 4 about E;
fig. 7 is a schematic structural view of the cylinder body of the present invention.
Detailed Description
In an embodiment, as shown in fig. 1 to 7, a booster-type miniature household water pump includes a pump housing 1, a circular groove 11 with an open upper side is formed on the pump housing 1, a cylindrical cylinder body 2 is fixed in the circular groove 11, a driving cavity 21 with an open upper side is formed in the middle of the cylinder body 2, a plurality of cylinder holes 22 are formed on the inner wall of the driving cavity 21, the cylinder holes 22 are uniformly distributed circumferentially, a piston 3 is sleeved in each cylinder hole 22, a push rod 31 is formed in the middle of the piston 3, the inner end of the push rod 31 is fixed in the middle of a driving rod 41 arranged perpendicular to the push rod 31, the driving rod 41 is pressed against the outer wall of a cam 42, the cam 42 is fixed on a motor shaft of a motor 43, the motor 43 is fixed on an upper bottom cover 5, the upper bottom cover 5 is fixed on the upper end face of the pump housing 1, and each piston 3;
a water outlet groove 23 is formed in the outer wall of the lower end of the cylinder body 2, and a notch 24 communicated with the water outlet groove 23 is formed in the outer end of each cylinder hole 22;
a boss 12 is formed on the outer wall of the pump housing 1, a water storage tank 13 is formed on the boss 12, and a through hole 14 communicated with a water outlet tank 23 is formed on the bottom surface of the water storage tank 13; a cover plate 8 is fixed on the end surface of the water storage tank 13, a hollow pipe 81 protruding inwards is formed on the cover plate 8, the inner end of the hollow pipe 81 penetrates through the bottom surface of the water storage tank 13 to be communicated with a flow channel 25 on the cylinder body 2, and the flow channel 25 is communicated with the driving cavity 21; the outer end of the hollow pipe 81 is formed with a water inlet connection hole 82, and the cover plate 8 is also formed with a water outlet connection hole 83 communicated with the water storage tank 13.
Furthermore, a plurality of step through holes 26 are formed in the bottom surface of the driving cavity 21, a plurality of thread counter bores 15 corresponding to the step through holes 26 one to one are formed in the bottom surface of the circular groove 11, a fastening screw is sleeved in each step through hole 26, and the lower end of the fastening screw is screwed in the thread counter bore 15.
More specifically, the automatic inward returning mechanism 6 includes a plurality of spring seats 61 respectively fixedly connected to the inner port portions of the plurality of cylinder holes 22 one by one, the inner end of the spring seat 61 is fixed to one end of a tension spring 62, and the other end of the tension spring 62 is fixedly connected to a corresponding one of the pistons 3;
the spring seat 61 is formed with a rectangular groove 63 having an inner side opened, and the driving rod 41 is inserted into the rectangular groove 63.
Furthermore, a valve hole 32 with an opening at the outer side is formed on the piston 3, a first taper hole 33 with a large outer part and a small inner part is formed in the middle of the valve hole 32, and a water passing through hole 34 communicated with the inner end of the valve hole 32 is formed on the ejector rod 31;
the one-way water outlet mechanism 7 comprises a circular ring-shaped spring support plate 71, a first pressure spring 72 and a first top bead 73 which are arranged in an outer end hole of the valve hole 32, the first top bead 73 is pressed on the inner wall of the first taper hole 33, the spring support plate 71 is fixed on the inner wall of the outer end of the valve hole 32, and the first pressure spring 72 is clamped between the first top bead 73 and the spring support plate 71.
Furthermore, a first sealing groove is formed on the outer wall of the upper end of the cylinder body 2, a first sealing ring 27 is sleeved in the first sealing groove, and the first sealing ring 27 is pressed on the inner wall of the circular groove 11;
a second sealing groove is formed in the upper end face of the driving cavity 21, a second sealing ring 28 is sleeved in the second sealing groove, and the second sealing ring 28 is pressed against the upper bottom cover 5.
Furthermore, a second taper hole 141 with a large outside and a small inside is formed in the middle of the through hole 14;
the outer side of the second taper hole 141 is provided with a second top bead 91, the second top bead 91 presses against the inner wall of the second taper hole 141, the second top bead 91 is fixed on a support rod 92 coaxially arranged with the through hole 14, the outer end of the support rod 92 is inserted into a support sleeve 93, the support sleeve 93 is fixed on the cover plate 8, and a second pressure spring 94 is clamped between the support rod 92 and the bottom surface of the support sleeve 93.
Furthermore, the bottom of the pump housing 1 is formed with a plurality of raised bosses 14 that are arranged at the same height.
The working principle is as follows: the water inlet connecting hole 82 is connected with an external water inlet pipe, the other end of the water inlet pipe is connected with a tap water source, the water outlet connecting hole 83 is connected with an external water outlet pipe, and the other end of the water outlet pipe is connected with a spray head for flushing the ground, washing the vehicle and the like; running water enters the driving cavity 21 through the water inlet pipe, the water inlet connecting hole 82, the hollow pipe 81 and the flow channel 25;
the motor 43 drives the cam 42 to rotate, the flange part of the cam 42 can push the driving rod 41 to move outwards, the driving rod 41 drives the piston to move outwards through the ejector rod 31, and when the flange of the cam 42 is separated from the driving rod 41, the piston automatically moves inwards and resets under the action of the corresponding tension spring 62, so that the piston is driven to do radial reciprocating motion;
when the piston moves inwards, water in the driving cavity 21 is squeezed to lift the first ejection bead 73 away from the first taper hole 33, and the water in the driving cavity 21 enters the outer side of the piston 3 from the valve hole 32; when the piston 3 moves outwards, the first ejector bead 73 automatically resets and is pressed on the first taper hole 33 under the action of the first pressure spring, so that water outside the piston 3 is prevented from flowing back into the driving cavity 21, meanwhile, the piston 3 moves outwards to extrude the water outside the piston 3 into the water outlet groove 23 from the notch 24, the water in the water outlet groove 23 ejects the second ejector bead 91 from the second taper hole 14, the water in the water outlet groove 23 enters the water storage groove 13 from the through hole 14, the water in the water outlet groove 13 flows out from the water outlet connecting hole 83 and the water outlet pipe, and finally is sprayed out through the nozzle.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (7)
1. A miniature domestic water pump of booster-type, includes pump casing (1), its characterized in that: a circular groove (11) with an opening at the upper side is formed on the pump shell (1), a cylinder body (2) in a cylindrical shape is fixed in the circular groove (11), a driving cavity (21) with an opening at the upper side is formed in the middle of the cylinder body (2), a plurality of cylinder holes (22) which are uniformly distributed at the circumference are formed on the inner wall of the driving cavity (21), a piston (3) is sleeved in each cylinder hole (22), a push rod (31) is formed in the middle of each piston (3), the inner end of each push rod (31) is fixed in the middle of a driving rod (41) which is vertically arranged with the push rod, the driving rod (41) is pressed against the outer wall of a cam (42), the cam (42) is fixed on a motor shaft of a motor (43), the motor (43) is fixed on the upper bottom cover (5), the upper bottom cover (5) is fixed on the upper end surface of the pump shell (1), and each piston (3) is provided with an automatic inward resetting mechanism (6) and a one-way water outlet mechanism (7);
a water outlet groove (23) is formed in the outer wall of the lower end of the cylinder body (2), and a notch (24) communicated with the water outlet groove (23) is formed in the outer end of each cylinder hole (22);
a boss (12) is formed on the outer wall of the pump shell (1), a water storage tank (13) is formed on the boss (12), and a through hole (14) communicated with the water outlet tank (23) is formed on the bottom surface of the water storage tank (13); a cover plate (8) is fixed on the end face of the water storage tank (13), a hollow pipe (81) protruding inwards is formed on the cover plate (8), the inner end of the hollow pipe (81) penetrates through the bottom face of the water storage tank (13) to be communicated with a flow channel (25) on the cylinder body (2), and the flow channel (25) is communicated with the driving cavity (21); the outer end of the hollow pipe (81) is formed with a water inlet connecting hole (82), and the cover plate (8) is also formed with a water outlet connecting hole (83) communicated with the water storage tank (13).
2. The booster miniature household water pump of claim 1, wherein: a plurality of step through holes (26) are formed in the bottom surface of the driving cavity (21), a plurality of thread counter bores (15) which correspond to the step through holes (26) one to one are formed in the bottom surface of the circular groove (11), fastening screws are sleeved in each step through hole (26), and the lower ends of the fastening screws are screwed in the thread counter bores (15).
3. The booster miniature household water pump of claim 1, wherein: the automatic inward resetting mechanism (6) comprises a plurality of spring seats (61) which are fixedly connected with the inner port parts of the cylinder holes (22) one by one, the inner ends of the spring seats (61) are fixed with one ends of the tension springs (62), and the other ends of the tension springs (62) are fixedly connected with a corresponding piston (3);
a rectangular groove (63) with an opening at the inner side is formed in the spring seat (61), and the driving rod (41) is inserted in the rectangular groove (63).
4. The booster miniature household water pump of claim 1, wherein: a valve hole (32) with an opening at the outer side is formed in the piston (3), a first taper hole (33) with a large outer part and a small inner part is formed in the middle of the valve hole (32), and a water passing through hole (34) communicated with the inner end of the valve hole (32) is formed in the ejector rod (31);
one-way water outlet mechanism (7) is including setting up spring support plate (71), first pressure spring (72) and the first pearl (73) that are the ring form in the outer end hole of valve opening (32), and first pearl (73) of pushing up presses on the inner wall of first taper hole (33), and spring support plate (71) are fixed on the outer end inner wall of valve opening (32), and first pressure spring (72) centre gripping is between first pearl (73) and spring support plate (71).
5. The booster miniature household water pump of claim 1, wherein: a first sealing groove is formed in the outer wall of the upper end of the cylinder body (2), a first sealing ring (27) is sleeved in the first sealing groove, and the first sealing ring (27) is pressed against the inner wall of the circular groove (11);
a second sealing groove is formed in the upper end face of the driving cavity (21), a second sealing ring (28) is sleeved in the second sealing groove, and the second sealing ring (28) is pressed against the upper bottom cover (5).
6. The booster miniature household water pump of claim 1, wherein: a second taper hole (141) with a large outer part and a small inner part is formed in the middle of the through hole (14);
the outside of second taper hole (141) is equipped with second top pearl (91), and second top pearl (91) press on the inner wall of second taper hole (141), and second top pearl (91) are fixed to lie in through-hole (14) on the bracing piece (92) that sets up with the axle center, and the outer end plug bush of bracing piece (92) is in supporting sleeve pipe (93), and supporting sleeve pipe (93) are fixed on apron (8), centre gripping has second pressure spring (94) between the bottom surface of bracing piece (92) and supporting sleeve pipe (93).
7. The booster miniature household water pump of claim 1, wherein: the bottom of the pump shell (1) is formed with a plurality of raised small bosses (14) which are arranged at the same height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010773681.0A CN111878340A (en) | 2020-08-04 | 2020-08-04 | Booster-type miniature domestic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010773681.0A CN111878340A (en) | 2020-08-04 | 2020-08-04 | Booster-type miniature domestic water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111878340A true CN111878340A (en) | 2020-11-03 |
Family
ID=73210649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010773681.0A Withdrawn CN111878340A (en) | 2020-08-04 | 2020-08-04 | Booster-type miniature domestic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111878340A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5375982A (en) * | 1991-04-10 | 1994-12-27 | Gentec B.V. | Radial pump |
| CN204082463U (en) * | 2014-09-25 | 2015-01-07 | 四川工程职业技术学院 | A kind of radial plunger pump |
| CN105715473A (en) * | 2016-04-01 | 2016-06-29 | 郑州科技学院 | Multi-cylinder high-pressure radial plunger pump |
| CN106930916A (en) * | 2017-04-25 | 2017-07-07 | 中国海洋大学 | A kind of dynamic shell type multiaction water hydraulic radial plunger pump |
| CN110017255A (en) * | 2019-04-25 | 2019-07-16 | 南昌大学 | A kind of novel external curve plunger pump |
| CN110030182A (en) * | 2017-12-13 | 2019-07-19 | 罗伯特·博世有限公司 | Piston pump for the pressure medium in discharge pressure medium loop |
-
2020
- 2020-08-04 CN CN202010773681.0A patent/CN111878340A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5375982A (en) * | 1991-04-10 | 1994-12-27 | Gentec B.V. | Radial pump |
| CN204082463U (en) * | 2014-09-25 | 2015-01-07 | 四川工程职业技术学院 | A kind of radial plunger pump |
| CN105715473A (en) * | 2016-04-01 | 2016-06-29 | 郑州科技学院 | Multi-cylinder high-pressure radial plunger pump |
| CN106930916A (en) * | 2017-04-25 | 2017-07-07 | 中国海洋大学 | A kind of dynamic shell type multiaction water hydraulic radial plunger pump |
| CN110030182A (en) * | 2017-12-13 | 2019-07-19 | 罗伯特·博世有限公司 | Piston pump for the pressure medium in discharge pressure medium loop |
| CN110017255A (en) * | 2019-04-25 | 2019-07-16 | 南昌大学 | A kind of novel external curve plunger pump |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201103 |