CN201381986Y - Cleaning machine high pressure pump - Google Patents
Cleaning machine high pressure pump Download PDFInfo
- Publication number
- CN201381986Y CN201381986Y CN200920118267U CN200920118267U CN201381986Y CN 201381986 Y CN201381986 Y CN 201381986Y CN 200920118267 U CN200920118267 U CN 200920118267U CN 200920118267 U CN200920118267 U CN 200920118267U CN 201381986 Y CN201381986 Y CN 201381986Y
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- water
- pump
- die cavity
- driven
- pump housing
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- Expired - Fee Related
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Abstract
A cleaning machine high pressure pump comprises a pump body, wherein a main driving shaft and at least a driven shaft are arranged in the pump body, the main driving shaft is connected with a power system in a driving mode, a driving hydraulic gear is fixed on the main driving shaft, and is meshed with a driven hydraulic gear fixed on the driven shaft for driving, and a water inlet and a water outlet cavities which form a water channel are arranged on the pump body, and are communicated with cavities in which the driving hydraulic gear on the main driving shaft and the driven hydraulic gear on the driven shaft are located. High pressure can be formed through utilizing the meshing and rotation of the driving hydraulic gear and the driven hydraulic gear at high speed, and the cleaning machine high pressure pump has simple structure and fast water inflow compared with an existing plunger pump, and shortens more than ten times of the water inflow time compared with a common plunger pump, otherwise, the pump body is further provided with an adjustable pressure relief return valve, and the safety protection performance of a machine is increased. Different types of high pressure cleaning devices can be manufactured through applying the high pressure pump.
Description
Technical field
The utility model relates to a kind of high-pressure service pump, mainly is applicable to high-pressure cleaning device.
Background technique
Present various jetting machine all is to adopt the plunger pump supercharging to form high pressure water usually.Its working principle is: the cam of high speed rotating promotes three uniform plungers and makes the high frequency back and forth movement, gives the water inlet supercharging by the compression of plunger, makes pump housing water outlet obtain a tangible supercharging, thereby has produced the high pressure water 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 arc shaped surface and includes the plunger piston assembly that many group plungers, piston spring are formed by what the oblique wave wheel promoted, and is located at the water-tight device on the motor housing.Wherein plunger piston assembly 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 flow channels corresponding with plunger and that connect with the plunger cavity in the pump housing, in each passage all device the water inlet one-way valve that is used for controlling water inlet and outlet 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 flow channel in nozzle and the handle respectively.Motor rotates, and slow down through speed reducer, drive the rotation of oblique wave wheel by motor transmission shaft, and promote three plungers to the previous crops axial motion 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 one-way 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 one-way 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 lubricant oil and the plunger piston assembly of forming by plunger, piston spring, piston spring supporting base, forms by raceway plate, raceway assembly, face cam, water pump casing, motor, pump cover, relief valve in addition therebetween.During work, motor rotates, the drive face cam rotates, cam with the thrust ball bearing assembly of forming by raceway plate, raceway assembly, face cam with three groups of plunger piston assembly of forming by plunger, piston spring, piston spring supporting base to the previous crops axial motion; Under three piston spring effects, make backward axially reseting movement respectively successively again; At plunger during to the previous crops axial motion, low pressure water inlet one-way valve is closed, and the high pressure one-way 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 piston spring effect, when making backward respectively axially reseting movement successively, the high pressure one-way valve is closed under pressure, and the one-way 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 high pressure waters all is that to-and-fro motion by plunger realizes.And the setting of plunger pump makes the structure of washing machine comparatively complicated, can increase weight, the cost of washing machine simultaneously.
Therefore for the structure that can make washing machine is more simple, the utility model proposes a kind of washing machine high-pressure service pump structure that realizes producing high pressure water by alternate manner.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of washing machine high-pressure service pump at the prior art present situation, and it is to form high pressure by gear engagement and high speed rotating, adopt this high-pressure service pump can make washing machine water inlet more fast, structure is simpler.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: be provided with a main drive shaft and at least one driven shaft in the pump housing, described main drive shaft and power system are in transmission connection, and on main 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 flow channel, and chamber, the place type of active mekydro on water-in and water-out die cavity and the main 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 service pump fast of intaking.
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 reflux valve, by the adjusting of release reflux valve, and the safety protection performance of increase machine.
Described water-in and water-out die cavity also is respectively equipped with to take over water outlet for water inlet takes over the interface that is connected.
Described main 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 a reduction gear that is in transmission connection with the power system output shaft is arranged on this main drive shaft.
Described driven shaft is set to one.
Compared with prior art, advantage of the present utility model is: the utility model utilizes gear engagement and high speed rotating to form high pressure, novel in design, its existing relatively plunger pump is simple in structure, thereby the smaller volume of washing machine, weight are lightened, and water inlet accelerates, and it shortens more than 10 times than general plunger pump flooding time; Adjustable release reflux valve is housed on the pump housing in addition, has also increased the safety protection performance of machine.Use this high-pressure service pump, can make the high-pressure cleaning device of different types.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation.
Fig. 2 is the utility model embodiment pump housing schematic internal view.
Fig. 3 is for using the hand-hold washer structural representation that the utility model is made.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
In conjunction with Fig. 1, shown in Figure 2, be provided with pump seat 14 at the pump housing 1 rear portion, both are anchored on together by screw.In order to the main drive shaft 3 that forms high pressure, driven shaft 4 and initiatively mekydro 2, driven mekydro 11 etc. are installed in the pump housing and combine with pump seat in the cavity that constitutes, and this cavity and the flow channels of the water inlet die cavity 10 that is located at side lower part before the pump housing with the water outlet die cavity 5 common formation pump housings of preceding upper lateral part.And the water inlet of water inlet die cavity 10 is provided with and can supplies water inlet to take over 9 interfaces that connect, and the water outlet place of water outlet die cavity 5 is provided with and can confesses the interfaces that water is taken over 6 connections, and intake pipe and outlet pipe can directly be connected in the adapter.
Being fixed with an active mekydro 2 and driven mekydro 11, two gears on main drive shaft 3 and driven shaft 4 respectively is meshing with each other.During work, pto 12 drives main drive shaft 14 by reduction gear 13 and rotates, and the active mekydro 2 that rotates with main drive shaft 14 drives driven mekydro 11 rotations again.Because two gear engagement 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 1 also is provided with the backflow release die cavity 8 that communicates with the die cavity 10 of intaking, and is provided with release reflux valve 7 in the passage of backflow release die cavity 8 connection water outlets, by the adjusting of release reflux valve 7, and the safety protection performance of increase machine.
Use this high-pressure service pump and can make the high-pressure cleaning device of different types, comprise a kind of hand-hold washer as shown in Figure 3, it is to connect handle in the water inlet of the pump housing, and handle connects intake pipe, water outlet place at the pump housing connects nozzle, and the rear portion of the pump housing is provided with motor.
The briefly description of hand-hold washer work one of making using the utility model high-pressure service pump now in conjunction with Fig. 3.
This washing machine mainly is to be made of assemblings such as motor, retarder, high-pressure service pump, nozzle 17 and handles 15, wherein:
Motor adopts series excited machine, and adopts and exchange 220 volts or 12 volts of two kinds of power supply power supply modes of direct current, so this washing machine possesses domestic power supply and all spendable characteristics of power supply on vehicle, and is easy to use.The power output 12 of motor is by passing to the main drive shaft that is installed in the pump housing behind the retarder.Motor housing is formed with the louvre type inlet hole on the corresponding inner motor position, and this inlet hole is the mazy type structure.The inside of motor housing is provided with a corrugated shape inner casing that combines with it, on the inner casing also correspondence be provided with the louvre type inlet hole, and can and shell on the louvre type inlet hole between be filled with an amount of sponge.And be provided with water-leaking hole respectively in the top and the bottom of shell.By this inside and outside twice venetian blind leaf inlet hole, constituted a special mazy type water-tight device of this washing machine, the action of gravity that it utilizes water is carried out waterproof by the dual waterproof action of twice louvre type inlet 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.
Nozzle 17 is by the front portion of screw attachment at the pump housing, and both junction planes are provided with seal ring, is processed with exhalant canal 18 on the nozzle, connects the water outlet die cavity 5 and the backflow release die cavity 8 of the pump housing.The bulk range of washing machine and area can be realized by regulating nozzle.By extended jet nozzle length, can increase the bulk range of washing machine.
Handle 15 is contained in the water inlet of pump housing rear portion downside, is processed with intake tunnel 16 on the handle, connects the water inlet die cavity 10 of the pump housing.The water supply connector that is connected usefulness with water pipe is equipped with in the bottom of handle, all is equipped with anaerobic adhesive between water supply connector and handle and handle and the pump housing, to guarantee the sealing of joint.The intake pipe and the handle of this washing machine unite two into one, outward appearance succinctly, lightly attractive in appearance.
By the washing machine that above-mentioned member assembling constitutes, its monnolithic case is like the hand-held electric impact drill, thereby existing relatively washing machine, and its novel structure, outward appearance are lightly attractive in appearance.
Its working principle is as follows: motor rotates, and slow down through retarder, the drive main drive shaft rotates, the driven mekydro that active mekydro on the main drive shaft drives again on the driven shaft rotates together, because two gear engagement 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 (6)
1, a kind of washing machine high-pressure service pump, include the pump housing, it is characterized in that: be provided with a main drive shaft and at least one driven shaft in the described pump housing, described main drive shaft and power system are in transmission connection, and on main 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 flow channel, and chamber, the place type of active mekydro on water-in and water-out die cavity and the main drive shaft and the driven mekydro on the driven shaft connects.
2, washing machine high-pressure service pump 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 reflux valve in the passage of backflow release die cavity connection water outlet.
3, washing machine high-pressure service pump as claimed in claim 1 or 2 is characterized in that: described water-in and water-out die cavity is respectively equipped with to take over water outlet for water inlet takes over the interface that is connected.
4, claim 1 or 2 described washing machine high-pressure service pumps, it is characterized in that: described main 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 a reduction gear that is in transmission connection with the power system output shaft is arranged on this main drive shaft.
5, washing machine high-pressure service pump as claimed in claim 1 or 2 is characterized in that: described driven shaft is set to one.
6, washing machine high-pressure service pump 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920118267U CN201381986Y (en) | 2009-04-17 | 2009-04-17 | Cleaning machine high pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920118267U CN201381986Y (en) | 2009-04-17 | 2009-04-17 | Cleaning machine high pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201381986Y true CN201381986Y (en) | 2010-01-13 |
Family
ID=41525463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920118267U Expired - Fee Related CN201381986Y (en) | 2009-04-17 | 2009-04-17 | Cleaning machine high pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201381986Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525515A (en) * | 2015-01-15 | 2015-04-22 | 绿田机械股份有限公司 | High-pressure cleaning machine with novel water outlet device |
-
2009
- 2009-04-17 CN CN200920118267U patent/CN201381986Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525515A (en) * | 2015-01-15 | 2015-04-22 | 绿田机械股份有限公司 | High-pressure cleaning machine with novel water outlet device |
| CN104525515B (en) * | 2015-01-15 | 2017-01-18 | 绿田机械股份有限公司 | High-pressure cleaning machine with novel water outlet device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20110417 |