CN201337997Y

CN201337997Y - Hand-held cleaning machine

Info

Publication number: CN201337997Y
Application number: CNU2009201121421U
Authority: CN
Inventors: 金可友
Original assignee: ZHEJIANG CHUANGMEI ELECTROMOTOR CO Ltd
Current assignee: ZHEJIANG CHUANGMEI ELECTROMOTOR CO Ltd
Priority date: 2009-01-08
Filing date: 2009-01-08
Publication date: 2009-11-04
Anticipated expiration: 2019-01-08

Abstract

The utility model relates to a hand-held cleaning machine, mainly comprising a motor, a speed reducer, a pump body, a nozzle and a handle; the pump body is internally provided with a main driving shaft and at least one driven shaft which are connected in a transmission way, a driving hydraulic-pressure gear is fixed on the main driving shaft, the driving hydraulic-pressure gear is transmitted with a driven hydraulic-pressure gear on the driven shaft in a meshing way; the pump body is provided with a water inlet cavity and a water outlet cavity which form a water flow channel, and the water inlet cavity and the water outlet cavity are communicated with a cavity of the driving hydraulic-pressure gear on the main driving shaft and the driven hydraulic-pressure gear on the driven shaft, so as to utilize the meshing and high-speed rotation of the driving hydraulic-pressure gear and the driven hydraulic-pressure gear, the high pressure is formed; compared with the existing piston pump, the structure of the utility model is simple, water incoming is rapid, the water incoming time is shortened by more than 10 times compared with a common piston pump; in addition, the pump body is provided with an adjustable pressure-relief return valve, and the safety protective performance of the cleaning machine is increased.

Description

Hand-hold washer

Technical field

The utility model relates to a kind of hand-hold washer.Mainly be applicable to fields such as automobile cleaning, metope cleaning.

Background technology

Present various jetting machine all is to adopt the plunger displacement pump supercharging to form water under high pressure usually.Its operation principle is: the cam of rotation promotes three uniform plungers and makes the high frequency back and forth movement at a high speed, gives the water inlet supercharging by the compression of plunger, makes pump housing water outlet obtain a tangible supercharging, thereby has produced the water under high pressure that cleans usefulness.

(patent No. is a kind of " hand-held type automobile washer " announced as the applicant: 2006201413290), it includes motor, the working surface that is connected and fixed with motor transmission shaft is the oblique wave wheel of oblique shape arcwall face and includes the assembly for plunger that many group plungers, plunger spring are formed by what the oblique wave wheel promoted, and is located at the water-tight device on the motor housing.Wherein assembly for plunger is contained in by plunger mat, oil cylinder and oil cylinder seat in conjunction with in the fixed cylinder body, combination is fixed with a pump housing on the plunger mat, offer a plurality of water stream channels corresponding with plunger and that connect with the plunger cavity in the pump housing, in each passage all device the water inlet check valve that is used for controlling Inlet and outlet water is arranged and goes out water one-way valve, front and rear downside at the pump housing is equipped with nozzle and handle respectively, offers the exhalant canal and the intake tunnel that connect with described each water stream channel in nozzle and the handle respectively.Motor rotates, and slow down through deceleration device, drive the rotation of oblique wave wheel by motor transmission shaft, and promote three plungers to the previous crops axially-movable by the working surface of oblique wave wheel, the oblique wave wheel whenever revolves and turns around, and three plungers are made axially reciprocating once successively, utilize the effect of two check valves to finish the supercharging of drawing water, low pressure water source in the pump is pressed into paramount extrusion pool, produces water jets under high pressure.

And for example notification number is CN2551777 disclosed a kind of " a straight-through discharging type jetting machine ", and it comprises that low pressure water inlet check valve, high pressure go out water one-way valve, and they are disposed on the same pump cover, and are respectively level and vertical layout.Left end at the water pump casing, has an inner core cylinder body that matches with plunger, the device thrust ball bearing assembly that is useful on the oil sealing of isolated water and lubricating oil and the assembly for plunger of forming by plunger, plunger spring, plunger spring supporting seat, forms by raceway plate, raceway assembly, plane cam, water pump casing, motor, pump cover, overflow valve in addition therebetween.During work, motor rotates, the drive plane cam rotates, cam with the thrust ball bearing assembly of forming by raceway plate, raceway assembly, plane cam with three groups of assembly for plunger of forming by plunger, plunger spring, plunger spring supporting seat to the previous crops axially-movable; Under three plunger spring effects, make backward axially reseting movement respectively successively again; At plunger during to the previous crops axially-movable, low pressure water inlet check valve is closed, and the high pressure check valve is opened, and just low pressure water source in the pump is press-fit into the high pressure exhalant region, when plunger under the plunger spring effect, when making backward respectively axially reseting movement successively, the high pressure check valve is closed under pressure, and the check valve of low pressure water inlet is simultaneously opened, in the low-pressure water injection pump, make axially reciprocating so each time, just, so move in circles the former high pressure exhalant region that is press-fit into of low-pressure water in the pump.

Therefore from above-mentioned two patents as can be seen, the formation of their water under high pressures all is that reciprocating motion by plunger realizes.And the setting of plunger displacement pump makes the structure of cleaning machine comparatively complicated, can increase weight, the cost of cleaning machine simultaneously.

The utility model then provides a kind ofly realizes producing the cleaning-machine structure of water under high pressure by alternate manner, and makes that the structure of cleaning machine is also more simple.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of to form the hand-hold washer of high pressure at the prior art present situation by gears engaged and high speed rotating, and make cleaning machine water inlet more fast, structure is simpler.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this hand-hold washer, mainly include motor, decelerator, the pump housing, nozzle and handle, nozzle and handle are located at the front and rear downside of the pump housing respectively, offer respectively in nozzle and the handle with the pump housing in the water stream channel exhalant canal and the intake tunnel that connect, it is characterized in that: be provided with a final drive shaft and at least one driven shaft in the described pump housing, described final drive shaft links to each other with the decelerator transmission, and on final drive shaft, be fixed with initiatively mekydro, the transmission that is meshed with driven mekydro on being fixed on driven shaft of this gear; The described pump housing is provided with the water-in and water-out die cavity that constitutes water stream channel, and chamber, the place type of active mekydro on water-in and water-out die cavity and the final drive shaft and the driven mekydro on the driven shaft connects, utilize the engagement and the high speed rotating of active mekydro and driven mekydro to form high pressure thus, and form simple in structure, the high-pressure pump fast of intaking.

Better, in the described pump housing, also be provided with the backflow release die cavity that communicates with the die cavity of intaking, in the passage of backflow release die cavity connection nozzle water outlet, be provided with the release return valve, by the adjusting of release return valve, and the safeguard protection performance of increase machine.

As preferably, described final drive shaft and driven shaft all are installed in by the pump housing and pump seat in conjunction with in the die cavity that constitutes by bearing and oil sealing, and the upper end of final drive shaft passes pump seat, and a reduction gearing that is in transmission connection with motor output shaft is arranged on this power transmission shaft.

As preferably, described driven shaft is set to one.

Compared with prior art, advantage of the present utility model is: the utility model utilizes gears engaged and rotates at a high speed and forms high pressure, novel in design, its existing relatively plunger displacement pump is simple in structure, thereby the smaller volume of cleaning machine, weight are lightened, and water inlet accelerates, and it shortens more than 10 times than general plunger displacement pump flooding time; Adjustable release return valve is housed on the pump housing in addition, has also increased the safeguard protection performance of machine; And cleaning machine adopts from the mode of below water inlet, anterior water outlet, directly controls the work of the cleaning machine pump housing by the start-stop of motor, and is easy to operate simple and direct; And water inlet pipe and handle are united two into one, make the profile of cleaning machine more succinctly lightly attractive in appearance; Water-tight device is set, makes the passage can only air intake and can not intake, prevent 360 ° trickle, realized cooling off internally series excited machine, thereby reduced the motor weight and volume, improve electric efficiency, more energy-conservation.

Description of drawings

Fig. 1 is the perspective exploded view of the utility model embodiment.

Fig. 2 is the structural representation of the utility model embodiment.

Fig. 3 is the profile schematic diagram of the utility model embodiment.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

In conjunction with Fig. 1-shown in Figure 3, this hand-hold washer mainly is to be made of assemblings such as motor 11, decelerator 10, gear pump, nozzle 1 and handles 4, wherein:

Motor 11 adopts series excited machines, and adopts and exchange 220 volts or 12 volts of two kinds of power supply power supply modes of direct current, so this cleaning machine possesses domestic power supply and all spendable characteristics of power supply on vehicle, and is easy to use.The power output of motor 11 is by passing to the final drive shaft 7 that is installed in the pump housing behind the decelerator 10.Motor housing is formed with the venetian blind type air admission hole on the corresponding inner motor position, and this air admission hole is the labyrinth type structure.The inside of motor housing is provided with a corrugated inner casing that combines with it, on the inner casing also correspondence be provided with the venetian blind type air admission hole, and can and shell on the venetian blind type air admission hole between be filled with an amount of sponge.And be provided with leaking hole respectively in the top and the bottom of shell.By this inside and outside twice shutter leaf air admission hole, constituted a special labyrinth type water-tight device of this cleaning machine, the gravity effect that it utilizes water is carried out waterproof by the dual waterproof action of twice venetian blind type air admission hole, make the passage can only air intake and can not intake, prevent 360 ° trickle, realized cooling off internally series excited machine, thereby reduce the motor weight and volume, improve electric efficiency, more energy-conservation.

The pump housing 3 rear portions of gear pump are provided with pump seat 9, and both are anchored on together by screw.Decelerator 10 is positioned at pump seat 9 back, and both are also by screw attachment, and decelerator 10 is anchored on motor 11 by screw.In order to the final drive shaft 7 that forms high pressure, driven shaft 13 and initiatively mekydro 8, driven mekydro 12 etc. are installed in the pump housing 3 combines formation with pump seat 9 the cavity, and this cavity and the water outlet die cavity 15 common water stream channels that constitute the pump housings of the water inlet die cavity 19 that is located at side lower part behind the pump housing with preceding upper lateral part, this passage connects intake tunnel 18 on handle and the exhalant canal 14 on the nozzle.

Driven shaft 13 can be more than one, but serves as preferred with one.Driven shaft 13 and final drive shaft 7 all are set in parallel in the pump housing 3 by bearing 5 and oil sealing 6, and pump seat is passed in the upper end of final drive shaft 7, and a reduction gearing 16 is housed on it, and this reduction gearing 16 is in transmission connection in motor output shaft 17.Being fixed with an active mekydro 8 and driven mekydro 12, two gears on final drive shaft 7 and driven shaft 13 respectively is meshing with each other.During work, motor output shaft 17 drives final drive shaft 7 by reduction gearing 16 and rotates, and the active mekydro 8 that rotates with final drive shaft 7 drives driven mekydro 12 rotations again.Because two gears engaged rotate to produce the water outlet side volume reducing, and the current of getting back to influent side from the gap of gear and cavity can not all be offset because the pressure that this volume reducing forms, thereby form high pressure at water outlet side.

Preceding side lower part at the pump housing 3 also is provided with the backflow release die cavity 20 that communicates with the die cavity 19 of intaking, and is provided with release return valve 21 in the passage of backflow release die cavity 20 connection nozzle water outlets, by the adjusting of release return valve 21, and the safeguard protection performance of increase machine.

Nozzle 1 is by the front portion of screw attachment at the pump housing 3, and both faying faces are provided with sealing ring 2, is processed with exhalant canal 14 on the nozzle 1, connects the water outlet die cavity 15 and the backflow release die cavity 20 of the pump housing.The jet length of cleaning machine and area can be realized by regulating nozzle.By extended jet nozzle length, can increase the jet length of cleaning machine.

Handle 4 is contained in the rear portion downside of the pump housing 3, is processed with intake tunnel 18 on the handle 4, connects the water inlet die cavity 19 of the pump housing.The water supply connector that is connected usefulness with water pipe is equipped with in the bottom of handle 4, all is equipped with anaerobic adhesive between water supply connector and handle and handle and the pump housing, to guarantee the sealing of junction.The water inlet pipe and the handle of this cleaning machine unite two into one, outward appearance succinctly, lightly attractive in appearance.

By the cleaning machine that above-mentioned member assembling constitutes, its monnolithic case is like the hand-held electric impact drill, thereby existing relatively cleaning machine, and the utility model novel structure, outward appearance are lightly attractive in appearance.

Its operation principle is as follows: motor rotates, and slow down through decelerator, the drive final drive shaft rotates, the driven mekydro that active mekydro on the final drive shaft drives again on the driven shaft rotates together, because two gears engaged rotate to produce the water outlet side volume reducing, and the current of getting back to influent side from the gap of gear and cavity can not all be offset because the pressure that this volume reducing forms, thereby form high pressure at water outlet side, produce water jets under high pressure, and reach the purpose of high-pressure wash.

Claims

1, a kind of hand-hold washer, mainly include motor, decelerator, the pump housing, nozzle and handle, nozzle and handle are located at the front and rear downside of the pump housing respectively, offer respectively in nozzle and the handle with the pump housing in the water stream channel exhalant canal and the intake tunnel that connect, it is characterized in that: be provided with a final drive shaft and at least one driven shaft in the described pump housing, described final drive shaft links to each other with the decelerator transmission, and on final drive shaft, be fixed with initiatively mekydro, the transmission that is meshed with driven mekydro on being fixed on driven shaft of this gear; The described pump housing is provided with the water-in and water-out die cavity that constitutes water stream channel, and chamber, the place type of active mekydro on water-in and water-out die cavity and the final drive shaft and the driven mekydro on the driven shaft connects.

2, hand-hold washer as claimed in claim 1 is characterized in that: also be provided with the backflow release die cavity that communicates with the die cavity of intaking in the described pump housing, be provided with the release return valve in the passage of backflow release die cavity connection nozzle water outlet.

3, hand-hold washer as claimed in claim 1 or 2, it is characterized in that: described final drive shaft and driven shaft all are installed in by in the pump housing and the pump seat combination die cavity that constitutes by bearing and oil sealing, and pump seat is passed in the upper end of final drive shaft, and a reduction gearing that is in transmission connection with motor output shaft is arranged on this power transmission shaft.

4, hand-hold washer as claimed in claim 1 or 2 is characterized in that: described driven shaft is set to one.

5, hand-hold washer as claimed in claim 2 is characterized in that: described water outlet die cavity is located at the preceding upper lateral part of the pump housing, and described backflow release die cavity is located at the preceding side lower part of the pump housing.