阅读说明：本技术 一种增压式微型家用水泵 (Booster-type miniature domestic water pump ) 是由 王文柱 于 2020-08-04 设计创作，主要内容包括：本发明公开了一种增压式微型家用水泵,包括泵壳体,泵壳体的圆槽内固定有缸体,缸体的多个缸孔内各套接有一个活塞,活塞可往复运动,每个活塞上设有自动向内复位机构,缸体的下端外壁上成型有出水槽,每个缸孔的外端成型有连通出水槽的豁口；泵壳体上成型有凸台,凸台上成型有储水槽,储水槽的底面上成型有与出水槽相通的通孔；储水槽的端面上固定有盖板,盖板上成型有空心管,空心管与缸体上的流道相通,流道与驱动腔相通；空心管的外端成型有进水连接孔,盖板上还成型有与储水槽相通的出水连接孔。本发明可以将自来水进行增压,可以提高冲地、洗车等清洁工作的效率和质量,且它的结构简单、体积小巧,方便转移和搬运。(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.)

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.

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