CN2544115Y - Small sized high-pressure water pump - Google Patents

Abstract

The utility model discloses a small-sized and high-pressure pump. A frustum-shaped filter net-ware is positioned in the mouth of a water inlet pipe, two holes at the other end are respectively connected with a water inlet of a unidirectional valve inside the pump cover and a water drainage hole of a relief valve; a water outlet and the water inlet of a relief valve inside the pump cover are connected with the outlet of a unidirectional valve. The pump body is connected with the pump cover, and three pump cylinders are evenly distributed on the pump body taking the shape of a circle. The Cylinder is internally provided with pistons, which can slide into the vestibule of the pump cover when sliding downwards; the lower part of the vestibule is communicated with a pump cavity; the reciprocation combination chamber is provided with a sealing ring, a sealing-ring support and a sealing loop. The combination surface which is connected by fasteners is provided with a sealing loop; one place at the pump cavity is connected with the water outlet of the water inlet unidirectional valve; an offsetting spring is arranged between a spring seat at the piston neck and the pump body; a motor is used for driving a bias plate, and the reciprocating motion of the piston is controlled by inclined plane and spring. The utility model has simple structure, is easy to assemble and disassemble, has stable and reliable performance, and can be applicable to washing yard, automobile and watering flowers.

Description

The minitype high voltage water pump

Technical field:

The utility model relates to a kind of improved reciprocating plunger type pump, specifically a kind of minitype high voltage water pump.

Background technique:

Plunger pump is a kind of typical reciprocating volumetric pump, and its relies on plunger reciprocating in pumping cylinder, makes swept volume in the cylinder increase and dwindles, and goes round and begins again by the put in order suction liquid of property performance period of pumping cylinder.Make reciprocal single-action plunger piston pump, have only and suck and two work cycle processes of discharge, at present, become plunger to-and-fro motion in pumping cylinder by the motor rotation by connecting plunger top mechanism, this type pump is a lot, but be not suitable for flushing entrance hall, floor tile, garden is watered flowers, irrigated the meadow, cleans automobile or the like, and is heavy greatly and comparatively at this body that often seems, occurs utilization efficiency problem on the low side sometimes.

Summary of the invention:

The utility model purpose provide a kind of be applicable to clean automobile, garden, wash away the entrance hall, minitype high voltage water pump that floor tile, spray water flowers and plants, it is made up of the pump housing, pump cover, plunger, one-way valve, safety overflow valve, intake pipe, outlet pipe, pipe fitting, it is characterized in that intake pipe 8 is equipped with taper type screen element 9 in the water inlet, the other end is being shaped on two holes with pump cover 4 joints, is respectively and is installed in one-way valve 6a water inlet in the pump cover 4 and letting out of relief valve 11 carried a hole and connected; Outlet pipe 10 and pump cover 4 connection parts are respectively the water outlet that the water intake of relief valve 11 and another are installed in the pump cover 4 and are communicated with the one-way valve 6b of pump chamber in it; Connect the pump housing 3 above the pump cover 4, the connection of each member is to adopt fastening piece, and at its junction plane place seal ring is housed; Be on the pump housing 3 circumferential uniform be three plunger guide holes, cooperate in the hole and adorning plunger 19, the lower end can be slipped in the pump chamber on the pump cover 4 when it is descending, and seal ring 16, seal ring 14 are housed with pilot hole, pump chamber sliding fit place, between the pump housing 3 and pump cover 4, seal ring support 15 is housed, the pump chamber bottom all is a blind hole, and wherein blind hole has the auxiliary hole that communicates with one-way valve respectively; Neck is equipped with spring seat 18 on plunger, between 3 of it and the pump housings Returnning spring 17 is housed.By motor drives swash plate 24, plane bearing 25 compactings under its inclined-plane are reciprocating with the top that is equipped with spring 17 control plungers 19; The phase angle of intake pipe 8 and outlet pipe 10 can be made into 90 ° of structures; The quantity of pumping cylinder and plunger can be 4～6.Swash plate during work on the motor drives main shaft rotates, the inclined-plane discharges plunger 19 by plane bearing 25 compactings and spring reset, plunger 19 is moved back and forth at the pump chamber of pump cover 4 by the pilot hole of the pump housing 3, three plungers are periodically done suction, draining in turn, high pressure water arrives the spray gun that connects through one-way valve 6b from outlet pipe 10, through the throttling generation high-velocity flow ejection of nozzle.When spray gun cut out, increased pressure was to safety overflow valve 11 valve opens, and current are then got back in the water tube chamber.Hydraulic pressure reduction safety overflow valve 11 is closed when shooting once more, and pressure rises to rated pressure.The utility model compact structure, small volume and less weight, stable and reliable for performance, fitting operation is simple and convenient, can select pressure regulator for use according to usage requirement, and very suitable small-sized cleaning automobile, garden, flushing entrance hall, floor tile, spray are watered flowers and plants etc., high working efficiency.

Description of drawings:

Below in conjunction with accompanying drawing embodiment of the present utility model is further described.

Fig. 1 is integrally-built side view.

Fig. 2 be Fig. 1 face the A-A sectional drawing.

Fig. 3 is the whole plan view of Fig. 2.

Fig. 4 is the worm's eye view of Fig. 3.

Fig. 5 be pump cover 4 A worm's eye view, B, face, C, plan view.

Fig. 6 is an one-way valve sectional view of the present utility model.

Fig. 7 is a relief valve sectional view of the present utility model.

Among the figure: 1. screw 2. seal rings 3. pump housings 4. pump covers 5. screws 6. one-way valves 7. seal rings 8. intake pipes 9. screen elements 10. outlet pipes 11. relief valves 12. seal rings 13. seal rings 14. plunger rings; 15. plunger ring support 16. plunger oil sealings 17. springs 18. spring seats 19. plungers 20. screws 21. screws 22. locating studs 23. screws 24. swash plates 25. plane bearings

Embodiment:

Referring to Fig. 1-4, a kind of minitype high voltage water pump has the plunger guide hole of three circumference uniform distributions on the pump housing 3, three plungers 19 wherein are housed, and neck is equipped with spring seat 18 on the plunger 19, and between the pump housing 3 Returnning spring 17 is housed, and is pump cover 4 below the pump housing 3.Referring to Fig. 5, three shoulder holes corresponding with the pump housing 3 are arranged in the pump cover 4, i.e. pump chamber, the pump chamber bottom is a half-blindness hole, wherein bottom, half-blindness hole is being communicated with one-way valve 6a outlet stomidium, referring to Fig. 2,6, is the osculum that is communicated with water one-way valve 6b at middle part, half-blindness hole.One-way valve 6a water inlet and intake pipe 8 are communicated with, and intake pipe 8 is equipped with screen element 9 in the water inlet, axially be taper type.Water one-way valve 6b and relief valve 11 releases (water) hole are equipped with out referring to Fig. 2,7 in pump cover 4 and outlet pipe 10 joints, and high pressure water returns intake pipe 8 by relief valve 11 from osculum under predetermined pressure.Between the plunger 19 and the pump housing 3, the pump cover 4 plunger oil sealing 16 is installed, plunger ring support 15 and plunger ring 14, the pump housing 3 is equipped with seal ring 2 and is connected with the motor front cover, there is seal ring in the pump cover 4 and installation place of valve, and install on the fitting surfaces with intake pipe 8 and outlet pipe 10 seal ring 7,12 is housed, the connection of intake pipe 8, outlet pipe 10, pump cover 4, the pump housing 3 is to adopt fastening piece screw 20,21,23,5,1, is equipped with locating stud 22.During work, intake pipe 8 mouths of pipe are connected with tap water or its suitable water source, outlet pipe 10 is connected with high-pressure pipe member, hydraulic giant pipe, swash plate on the motor drives main shaft rotates, and discharges plunger 19 by plane bearing 25 compactings and spring reset, locatees by the plunger guide hole, make plunger to-and-fro motion in pump cover 4 pump chambers, three plungers periodically absorb water, draining, and high pressure water arrives the spray gun that connects through going out water one-way valve 6b from outlet pipe 10, through the throttling generation high-speed jet ejection of nozzle.When spray gun cut out, increased pressure was opened to safety overflow valve 11, and current are got back in the water-inlet cavity.When shooting once more, hydraulic pressure reduces safety overflow valve 11 closes, and rises to rated pressure to pressure.

Claims (3)

1, a kind of minitype high voltage pump, be by the pump housing, pump cover, plunger, one-way valve, safety overflow valve, water inlet and outlet pipe fitting are formed, taper type screen element (9) is equipped with in the water inlet that it is characterized in that intake pipe (8), the other end is being shaped on two holes with pump cover (4) joint, is respectively and is installed in one-way valve (6a) water inlet in the pump cover (4) and letting out of relief valve (11) carried a hole and connected; Outlet pipe (10) and pump cover (4) connection part are respectively the water outlet that the water intake of relief valve (11) and another are installed in the pump cover (4) and are communicated with the one-way valve (6b) of pump chamber in it; Connect the pump housing (3) above the pump cover (4), the connection of each member is to adopt fastening piece, and at its junction plane place seal ring is housed; Be on the pump housing (3) circumferential uniform be three plunger guide holes, cooperate in the hole and adorning plunger (19), the lower end can be slipped in the pump chamber on the pump cover (4) when it is descending, and seal ring (16), seal ring (14) are housed with pilot hole, pump chamber sliding fit place, between the pump housing (3) and pump cover (4), seal ring support (15) is housed, the pump chamber bottom all is a blind hole, and wherein blind hole has the auxiliary hole that communicates with one-way valve respectively; Neck is equipped with spring seat (18) on plunger, Returnning spring (17) is housed between above it and the pump housing (3).By motor drives swash plate (24), it is reciprocating that the top of spring (17) control plunger (19) is suppressed and be equipped with to the plane bearing under its inclined-plane (25);

2, require 1 described high-pressure water pump according to power, it is characterized in that the phase angle of intake pipe (8) and outlet pipe (10) can be made into 90 ° of structures;

3, require 1 described high-pressure water pump according to power, the quantity that it is characterized in that pumping cylinder and plunger can be 4～6.

Images