CN103624021B - Jetting machine - Google Patents
Jetting machine Download PDFInfo
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- CN103624021B CN103624021B CN201310297998.1A CN201310297998A CN103624021B CN 103624021 B CN103624021 B CN 103624021B CN 201310297998 A CN201310297998 A CN 201310297998A CN 103624021 B CN103624021 B CN 103624021B
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- exhaust
- jetting machine
- motor
- pump unit
- switch
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- 238000001816 cooling Methods 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims description 48
- 238000009423 ventilation Methods 0.000 claims description 45
- 230000008676 import Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 description 40
- 238000000926 separation method Methods 0.000 description 26
- 108090000565 Capsid Proteins Proteins 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000007921 spray Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 210000001364 upper extremity Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/027—Pump details
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Details Of Reciprocating Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Electric Suction Cleaners (AREA)
Abstract
The invention provides a kind of jetting machine reducing noise.Jetting machine possesses pump unit (30), the control part (70) of control pump unit (30) and the housing (10) of storage pump unit (30) and control part (70), this pump unit (30) comprises the motor (31) of pump (41) and driving pump (41), motor (31) possesses cooling fan (34), be formed with the flow passage region of flowing for the air that sucked from the outside of housing (10) by cooling fan (34) in the inside of housing (10) and adjoin with flow passage region and be provided with the sound-absorbing region of Sound-absorbing member.
Description
Technical field
The present invention relates to the jetting machine that family etc. uses.
Background technology
In the past, the jetting machine of the periphery, automobile etc. for cleaning residence is known to.This jetting machine is accommodated with the pump unit comprising motor and pump and the control part controlled pump unit in the inside of housing, the power supply from external power source is utilized to make pump unit operate and pressurize to the water come from water source supplies such as aqueducts, it is sprayed towards object from spray gun, thus the removal (such as following patent document 1) of the spot being attached to object can be carried out.
In addition, the cooling fan for suppressing the temperature produced by running to rise is provided with in the inside of motor, by the rotation of cooling fan driven by the running of motor, the air of hull outside is taken into enclosure interior as cooling air, after making motor cooling, the outside of this air to housing is discharged.
At first technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2005-7366 publication
The problem that invention will solve
But when above-mentioned jetting machine, the sound produced because of the running of pump unit externally transmits via housing, therefore forms larger noise, brings discomfort to operator.
In addition, the sound produced because of the running of pump unit externally discharges from the ventilating opening being taken into and discharging of the air being formed at housing, therefore forms larger noise, brings discomfort to operator.
Summary of the invention
The present invention makes in view of the existence of above-mentioned problem, its object is to, and provides a kind of jetting machine reducing noise.
For solving the means of problem
Jetting machine of the present invention possesses: pump unit, and it comprises pump and the motor driven said pump; Control part, it controls said pump unit; Housing, its storage said pump unit and above-mentioned control part, above-mentioned electric tools, for cooling fan, is formed with the flow passage region of flowing for the air that sucked from the outside of above-mentioned housing by above-mentioned cooling fan and adjoins with above-mentioned flow passage region and be provided with the sound-absorbing region of Sound-absorbing member in the inside of above-mentioned housing.
In addition, in jetting machine of the present invention, can be, the ventilating opening be made up of perflation ventilation mouth and exhaust ventilation mouth is formed at above-mentioned housing, air inlet and exhaust outlet is formed in above-mentioned motor, above-mentioned flow passage region comprises the charge air flow path region be formed between above-mentioned perflation ventilation mouth and above-mentioned air inlet and the exhaust flow path region be formed between above-mentioned exhaust ventilation mouth and above-mentioned exhaust outlet, and at least one party in above-mentioned charge air flow path region and above-mentioned exhaust flow path region possesses the partition wall for expanding flow path length.
In addition, in jetting machine of the present invention, Ke Yiwei, above-mentioned partition wall covers at least one party above-mentioned perflation ventilation mouth or above-mentioned exhaust ventilation mouth from top.
In addition, in jetting machine of the present invention, Ke Yiwei, above-mentioned charge air flow path region possesses the decelerating area of slowing down to the flow velocity of the air sucked.
In addition, in jetting machine of the present invention, Ke Yiwei, above-mentioned sound-absorbing region is formed in front and the rear of said pump unit, and above-mentioned flow passage region is formed at least one party in the left of said pump unit and right.
In addition, in jetting machine of the present invention, Ke Yiwei, above-mentioned control part possesses switch and for the rectification circuit to above-mentioned motor, by the operation of above-mentioned switch, above-mentioned rectification circuit is switched to full-wave rectification and halfwave rectifier, thus the revolution of above-mentioned motor is switched to secondary.
In addition, in jetting machine of the present invention, Ke Yiwei, above-mentioned control part is accommodated in switch-box, is formed with the exhaust taking mouth of the inside for the exhaust from above-mentioned exhaust outlet being imported to above-mentioned switch-box in above-mentioned switch-box.
In addition, in jetting machine of the present invention, can be, above-mentioned rectification circuit has heating electric component, above-mentioned switch-box possesses the exhaust importing road being communicated to above-mentioned heating electric component from above-mentioned exhaust taking mouth, imports the restricted flow path portion being formed with the flow velocity speedup of the exhaust making to be imported in road in above-mentioned exhaust.
Invention effect
According to the present invention, the jetting machine reducing noise can be provided.
Accompanying drawing explanation
Fig. 1 is the front view of the jetting machine of present embodiment.
Fig. 2 is the right side view of the jetting machine of present embodiment.
Fig. 3 is the left side view of the jetting machine of present embodiment.
Fig. 4 is the rearview of the jetting machine of present embodiment.
Fig. 5 is the figure of the inside of the jetting machine representing present embodiment, represents the state of the pump unit observed from front.
Fig. 6 is the figure of the inside of the jetting machine representing present embodiment, represents the state of the pump unit observed from right.
Fig. 7 is the A-A sectional view of Fig. 3.
Fig. 8 is the B-B sectional view of Fig. 1.
Fig. 9 is the C-C sectional view of Fig. 1.
Figure 10 is the major part enlarged drawing of the jetting machine of present embodiment, represents the state of pump unit and the control part observed from rear.
Figure 11 is the major part enlarged drawing of the jetting machine of present embodiment, represents the state of pump unit and the control part observed from left.
Figure 12 is the major part enlarged drawing of the jetting machine of present embodiment, represents the inside of switch-box.
Description of reference numerals is as follows:
1 main part, 10 housings, 11 procapsids, 12 back casings, 12a right flank, 12b left surface, 12c rear surface, 12d upper surface, 12e lower surface, 13 wheels, 14 grooves, 14a perflation ventilation mouth, exhaust ventilation mouth on the left of 14b, 14c right side exhaust ventilating opening, 15 air inlet side partition walls, 15a rake, 15b vertical component effect, 16 air inlet lower separation wall, 16a rake, 16b horizontal part, 16c vertical component effect, 16d upper end horizontal part, 16e central horizontal portion, 17 air inlet side partition walls, 18 air inlet lower separation wall, 21 handles, 22 water supply side interfaces, 23 ejection side interfaces, 24 fixed handles, 24a handle part, 25 hook portions, 26 storage components, 26a hole, 26b lower openings, 26c relief portion, 30 pump unit, 31 motor, 32 armature spindles, 33 rectifiers, 34 cooling fans, 35 air inlets, 36 exhaust outlets, 37 perisporiums, 41 pumps, 42 driving shafts, 43 swash plates, 44 thrust bearings, 45 pistons, 46 cylindrical portion, 50 control parts, 51 left exhaust side partition walls, 51a vertical component effect, 51b rake, 51c front end vertical component effect, 52 left bank gas lower separation wall, 52a horizontal part, 52b rake, 52c vertical component effect, 53 right exhaust side partition walls, 53a horizontal part, 53b rake, 53c vertical component effect, 54 left exhaust side partition walls, 55 left bank gas lower separation wall, 56 right exhaust side partition walls, 58 operation boards, 60 switch-boxes, 61 motor Sound-absorbing members, 62 motor Sound-absorbing members, 63 pump Sound-absorbing members, 64 pump Sound-absorbing members, 70 control parts, 71 operation boards, 72 camshafts, 72a High speed cam, 72b Lower speed cam, 73 switches, 73a rocker, 74 diodes, 75 fin, 76 microswitches, 76a actuator, 77 pressure detecting portion, 78 line pressure shift components, 80 switch-boxes, 81 exhaust taking mouth, 82 exhausts import road, 83 restricted flow path portions
Detailed description of the invention
Below, Fig. 1 ~ Figure 12 is used to illustrate for implementing preferred forms of the present invention.In addition, following embodiment does not limit the invention involved by claim, and in addition, the combination of feature illustrated in embodiment not all are that the solution of invention is necessary.
In addition, the main part of jetting machine is mainly represented in the accompanying drawings, by omissions such as the spray guns of ejection pressure (hydraulic) water.
Fig. 1 is the front view of the jetting machine of present embodiment.Fig. 2 is the right side view of the jetting machine of present embodiment.Fig. 3 is the left side view of the jetting machine of present embodiment.Fig. 4 is the rearview of the jetting machine of present embodiment.Fig. 5 is the figure of the inside of the jetting machine representing present embodiment, represents the state of observing pump unit from front.Fig. 6 is the figure of the inside of the jetting machine representing present embodiment, represents the state of observing pump unit from right.Fig. 7 is the A-A sectional view of Fig. 3.Fig. 8 is the B-B sectional view of Fig. 1.Fig. 9 is the C-C sectional view of Fig. 1.Figure 10 is the major part enlarged drawing of the jetting machine of present embodiment, represents the state of observing pump unit and control part from rear.Figure 11 is the major part enlarged drawing of the jetting machine of present embodiment, represents the state of observing pump unit and control part from left.Figure 12 is the major part enlarged drawing of the jetting machine of present embodiment, represents the inside of switch-box.In addition, in this manual, as shown in FIG., during use based on the jetting machine of present embodiment, state is set, regulation " front, back, left, right, up, down ".
As shown in Figure 1 to 4, the main part 1 of the jetting machine of the present embodiment pair of wheels 13 that has housing 10, be rotatably arranged on the handle 21 of the top of housing 10, be arranged on the below of housing 10 in rotatable mode.Housing 10 is resin-made, is divided into procapsid 11 and these two parts of back casing 12 at the central portion of fore-and-aft direction.The front surface of procapsid 11 is provided with revolving operation board 71, the operating condition of jetting machine can be controlled by the rotation process of operation board 71.Be configured with ejection side interface 23 in the below of operation board 71, in ejection, side interface 23 place is connected with spray gun by high-pressure hose.In addition, for high-pressure hose and spray gun, diagram is omitted.Be configured with water supply side interface 22 in the bottom, rear surface of back casing 12, be connected with external water sources such as aqueducts by not shown flexible pipe at water supply side interface 22.
Next, Fig. 5 ~ Fig. 9 is added to reference diagram and pump unit etc. is described.Be accommodated with pump unit 30 and switch-box 80 in the housing 10, this pump unit 30 possesses motor 31 and is driven by motor 31 and the pump 41 that links with the below of motor 31, and this switch-box 80 is accommodated with the control part 70 controlled the operating condition of pump unit 30.Pump unit 30 is configured in the central portion in housing 10, and switch-box 80 configures near the left side of pump 41.As shown in Figure 7, the axis of its armature spindle 32 is configured as above-below direction by motor 31, is fixed with rectifier 33 above armature spindle 32, is fixed with cooling fan 34, is fixed with gear in addition in bottom in below.Pump 41 possesses: driving shaft 42, and it is fixed with the gear with the gears meshing of the bottom of armature spindle 32; Swash plate 43, it is fixed on driving shaft 42; Thrust bearing 44, it is arranged at swash plate 43; And piston 45, it abuts with thrust bearing 44.During the running of pump unit 30, by the rotation of the rotating shaft 32 of motor 31, swash plate 43 is rotated, thrust bearing 44 is swung, thus piston 45 is moved back and forth, the water supplied is pressurizeed and make it spray from ejection side interface 23 from water supply side interface 22 to pump 41.
In the upper end of motor 31, the face vertical with armature spindle 32 being formed with the air inlet 35 for drawing the air for cooling, being formed with the exhaust outlet 36 for discharging cooled air in bottom.Be formed around air inlet 35 around air inlet 35 and perisporium 37 outstanding upward, thus, the air for cooling is crossed the upper limb of perisporium 37 and arrives air inlet 35.The bottom of motor 31 is formed as rectangular-shaped under the analysing and observe vertical with armature spindle 32, and its all around four faces are formed with exhaust outlet 36 separately.In addition, the cooling fan 34 of motor 31 is configured in the inner side of exhaust outlet 36.
There is multiple cylindrical portion 46 the outer peripheral face of pump 41 is projecting, partiting polarization component is situated between and is located in the support holes of the inner surface being formed at housing 10 and is fitted together to, pump unit 40 is bearing in the inside of housing 10.Utilize this partiting polarization component to suppress the vibration produced from pump unit 40 to the transmission of housing 10, reduce the noise discharged from housing 10.
Be provided with at procapsid 11 place when handle 21 is arranged in the storage location shown in Fig. 3 dummy line for make jetting machine easily movement fixed handle 24 and in non-usage time for hang hose thus improve storage property hook portion 25.Fixed handle 24 has the handle part 24a extended in left-right direction above procapsid 11.Setting lower the degree of the operability of overhang when not reducing use upward of the upper surface from procapsid 11 of handle part 24a, thus, the amplification of storage size being controlled in irreducible minimum.In addition, fixed handle 24 is configured in the fore-and-aft direction central portion of housing 10 by the mode being positioned at the top of the position of centre of gravity of jetting machine with the fore-and-aft direction position of fixed handle 24, seeks operability when improving mobile.Hook portion 25 is the ligulate shapes given prominence to upward from the above-below direction central portion of the front surface of procapsid 11, hangs and use around hose between the front surface and hook portion 25 of procapsid 11.In addition, in the present embodiment, to reduce manufacturing cost and to improve for the purpose of assembleability, fixed handle 24 and hook portion 25 are formed as one.
At back casing 12 place, the storage component 26 of the accommodation space for the formation of the spray gun prepared etc. is installed.Storage component 26 is installed on the rear portion of back casing 12, thus forms the accommodation space surrounded by the left and right side of the rear surface of back casing 12 and storage component 26, rear surface and lower surface.The rear surface of storage component 26 is extended upward compared with left and right side, at this extended portion place, can for the cable for connecting external power source outstanding around, be therefore easily when receiving.In addition, the hole 26a for keeping the washer bottle as accessory is formed with on the top, rear surface of storage component 26.Be formed with lower openings 26b in the bottom, rear surface of storage component 26, this lower openings 26b becomes easy for the visualization and taking-up making the pocket-handkerchief of the bottom being accommodated in accommodation space.In addition, in the left and right sides of storage component 26, be provided with in the support 27 temporarily placed of spray gun.
Back casing 12 possesses right flank 12a, left surface 12b, rear surface 12c, upper surface 12d and lower surface 12e, on right flank 12a and left surface 12b, is formed with multiple groove 14 at the moment substantially horizontally extending to front side edge edge from 12c side, rear surface.Groove 14 forms the コ word shape of depression in above-below direction section from the outside of back casing 12 towards inner side.
For six grooves 14 of upside of right flank 12a being formed in back casing 12, surface is respectively formed with perflation ventilation mouth 14a thereon.Be formed with perflation ventilation mouth 14a at the upper surface place of コ word shape, thus there is the effect preventing rainwater from entering to the inside of housing 10.
In the inside of back casing 12, be formed with the air inlet side partition wall 15 covering perflation ventilation mouth 14a from top.Air inlet side partition wall 15 possesses above perflation ventilation mouth 14a from the right flank 12a rake 15a that extends of below and the vertical component effect 15b that extends downwards from rake 15a left.The above-below direction position of the lower end of vertical component effect 15b is roughly consistent with the 4th perflation ventilation mouth 14a from top.In addition, the rear end of air inlet side partition wall 15 is connected with rear surface 12c, and front end reaches the cut-off rule to procapsid 11 and back casing 12.
In addition, in the inside of back casing 12, be formed with air inlet lower separation wall 16 in the below of air inlet side partition wall 15.Air inlet lower separation wall 16 has the rake 16a extended to upper left side from the right flank 12a near the 6th perflation ventilation mouth 14a from top, from the horizontal part 16b that rake 16a substantially horizontally extends to the left, at motor 31 at the moment from the vertical component effect 16c that horizontal part 16b extends upward, the central horizontal portion 16e substantially horizontally extending to left surface 12b from the above-below direction central portion of vertical component effect 16c and the upper end horizontal part 16d extended slightly to right from the upper end of vertical component effect 16c.The left and right directions position of the tie point of rake 16a and horizontal part 16b is set as being in left side relative to the lower end position of the vertical component effect 15b of air inlet side partition wall 15.The above-below direction position of horizontal part 16b is set near the top of exhaust outlet 36 of motor 31.In addition, the above-below direction position of the upper end of vertical component effect 16c is set as being positioned at top compared with the above-below direction position of the lower end of vertical component effect 15b.In addition, the left and right directions distance of vertical component effect 16c and vertical component effect 15b is set be greater than the left and right directions distance of vertical component effect 15b and left surface 12b.In addition, from top, the 6th perflation ventilation mouth 14a is formed in the connecting portion be connected with right flank 12a of rake 16a.In addition, horizontal part 16b has the relief portion corresponding with the outer contour shape of motor 31 with central horizontal portion 16e, also has and utilizes this relief portion to carry out the function of position limitation to motor 31.In addition, the rear end of air inlet lower separation wall 16 is connected with rear surface 12c, and front end reaches the cut-off rule to procapsid 11 and back casing 12.
In the inside of procapsid 11, be formed, with the air inlet side partition wall 15 of back casing 12 and lower separation wall 16, there is mutually isostructural air inlet side partition wall 17 and lower separation wall 18.
At the rear of motor 31, the inner side of the rear surface 12c of back casing 12 is provided with motor Sound-absorbing member 61.Motor Sound-absorbing member 61 is spongiform sheet materials of the thickness with regulation, is arranged on by the central horizontal portion 16e of air inlet side partition wall 15, air inlet lower separation wall 16, the left surface 12b of back casing 12 and the region of substantially rectangular shape that marks off than the dummy line of the upper limb ormal weight on the lower of the perisporium 37 of motor 31.Divided by the upper end of dummy line to motor Sound-absorbing member 61 of the upper limb ormal weight on the lower of the perisporium 37 than motor 31, thus prevent rainwater from entering into the situation of the inside of motor 31 from air inlet 35 along motor Sound-absorbing member 61.In addition, in the front of motor 31, the inner side before procapsid 11 is also provided with the motor Sound-absorbing member 62 identical with motor Sound-absorbing member 61, and motor 31 is clamped by motor Sound-absorbing member 61 and motor Sound-absorbing member 62.In addition, a part for motor Sound-absorbing member 62 is in the state compressed by a part for the outer contour shape of motor 31 and housing 10.By motor Sound-absorbing member 61,62 being arranged on front and the rear of motor 31, from the flow passage region (charge air flow path region) for air flowing of the perflation ventilation mouth 14a of right being formed in motor 31 to the air inlet 35 of motor 31 compared with the situation of motor Sound-absorbing member 61,62 is not set, become narrow, thus, the flow velocity of the air flowed in charge air flow path region increases.
Right side exhaust ventilating opening 14b is respectively formed at four groove 14 places of downside of the right flank 12a being formed at back casing 12.For three that are in upside in four grooves 14, in order to improve exhaust efficiency, the lower surface of コ word shape forming this right side exhaust ventilating opening 14b, for a groove 14 of lower side, forming this right side exhaust ventilating opening 14b at the upper surface of コ word shape.In addition, for six grooves 14 of downside of left surface 12b being formed in back casing 12, in order to improve exhaust efficiency, left side exhaust ventilation mouth 14c is respectively formed with at the lower surface of コ word shape.
In the inside of back casing 12, be formed with the right exhaust side partition wall 51 covering right side exhaust ventilating opening 14b from top.Right exhaust side partition wall 51 has the vertical component effect 51a extended near the rake 16a of air inlet side partition wall 15 and the tie point of horizontal part 16b, the rake 51b extended to the right from vertical component effect 51a downwards and from the front end vertical component effect 51c that rake 51b extends downwards.The above-below direction position of the lower end of front end vertical component effect 51c to be set in from below second right side exhaust ventilating opening 14b and from below between the 3rd right side exhaust ventilating opening 14b.In addition, the rear end of right exhaust side partition wall 51 is connected with rear surface 12c, and front end arrives the cut-off rule to procapsid 11 and back casing 12.
Right exhaust lower separation wall 52 is formed in the below of right exhaust side partition wall 51.The vertical component effect 52c that right exhaust lower separation wall 52 has the horizontal part 52a extended to the left from the groove 14 of lower side, the rake 52b extended to upper left side from horizontal part 52a and extends upward from rake 52b.The above-below direction position of the upper end of vertical component effect 52c is set in the centre of the lower end position of the vertical component effect 51a of right exhaust side partition wall 51 and the tie point of rake 51b and front end vertical component effect 51c.In addition, the left and right directions position of vertical component effect 52c is set in the position leaving ormal weight from vertical component effect 51a to the left.In addition, the rear end of right exhaust lower separation wall 52 is connected with rear surface 12c, and front end arrives the cut-off rule to procapsid 11 and back casing 12.
In addition, in the inside of back casing 12, the left exhaust side partition wall 53 covering left side exhaust ventilation mouth 14c from top is formed.The vertical component effect 53c that left exhaust side partition wall 53 has the horizontal part 53a that left side exhaust ventilation mouth 14c is extended to the right from the left surface 12b of top, the rake 53b extended to the right from horizontal part 53a and extends downwards from rake 53b.The above-below direction position of the lower end of vertical component effect 53c is roughly consistent with second left side exhaust ventilation mouth 14c from below.In addition, the rear end of left exhaust side partition wall 53 is connected with rear surface 12c, and front end arrives the cut-off rule to procapsid 11 and back casing 12.
Be formed in the inside of procapsid 11, with the right exhaust side partition wall 51 of back casing 12, right exhaust lower separation wall 52 and left exhaust side partition wall 53, there is mutually isostructural right exhaust side partition wall 54, right exhaust lower separation wall 55 and left exhaust side partition wall 56.
At the rear of pump 41 and switch-box 80, the inner side of the rear surface 12c of back casing 12 is provided with pump Sound-absorbing member 63.Pump Sound-absorbing member 63 is spongiform sheet materials of the thickness with regulation, is arranged on the region marked off by right flank 12a, the left surface 12b of air inlet lower separation wall 16, left exhaust side partition wall 51, left bank gas lower separation wall 52, left exhaust side partition wall 53, back casing 12 and lower surface 12e.In the front of pump 41, be also provided with the pump Sound-absorbing member 64 identical with pump Sound-absorbing member 63 in the inner side of the front surface of procapsid 11, pump 41 and switch-box 80 are clamped from fore-and-aft direction by pump Sound-absorbing member 63 and pump Sound-absorbing member 64.In addition, a part for pump Sound-absorbing member 63,64 is in by the state of a part for the outer contour shape of pump 41 and switch-box 860 compression.In addition, the relief portion for configuring water supply interface 22, ejection side interface 23 etc. is formed at pump Sound-absorbing member 63,64 place.
In such a configuration, under the state that procapsid 11 and back casing 12 link, air inlet side flow passage region spatiality between perflation ventilation mouth 14a and the air inlet 35 of motor 31 coupled together is formed with.In addition, exhaust side flow passage region spatiality between the exhaust outlet 36 of motor 31 and exhaust ventilation mouth (left side exhaust ventilation mouth 14b, right side exhaust ventilating opening 14c) coupled together is formed.
During the running of jetting machine, by the rotation of the cooling fan 34 of motor 31, as shown in arrow line F in Fig. 7, draw from the air of perflation ventilation mouth 14a to outside of housing 10, flow through air inlet side flow passage region and the air inlet 35 arrived to motor 31, import to the inside of motor 31.Now, the noise produced from motor 31 externally discharges from perflation ventilation mouth 14a along air inlet side flow passage region.In the present invention, owing to being provided with the air inlet side partition wall 15 covering perflation ventilation mouth 14a, the sound press of the noise discharged from perflation ventilation mouth 14a is therefore reduced.In addition, utilize air inlet side partition wall 15,17 and air inlet lower separation wall 16,18, the stream of air is bent elongated, therefore make the noise transmitted in this stream in the decay of wall place, reduce the sound press of the noise discharged from perflation ventilation mouth 14a.In addition, motor Sound-absorbing member 61,62 and air inlet side flow passage region are adjoined, thus utilize motor Sound-absorbing member 61,62 to form a part to the wall that air inlet side flow passage region divides, therefore noise is in motor Sound-absorbing member 61,62 place decay, can reduce noise further.In addition, motor Sound-absorbing member 61,62 also possesses the function of noise housing 11,12 transmission forwards, backwards making to produce from motor 31 and the situation reduction externally discharged.
By being provided with motor Sound-absorbing member 61,62, charge air flow path region for the air flowing sucked becomes narrow, thus the flow velocity of air is raised, the possibility that the rainwater entering into the inside of housing 10 in the lump with air is transported to motor 31 raises, but in the present embodiment, seek its countermeasure by making an effort at the structure place of partition wall.That is, when rainwater enters into inside from three of top perflation ventilation mouth 14a in the lump with outside air, being flowing in of air is located to deflect its flow direction than air inlet side partition wall 15 on the lower.Major part and the air inlet side partition wall 15 of the rainwater now entered collide, thus with the flow separation of air.The rainwater being attached to air inlet side partition wall 15 by colliding is along air inlet side partition wall 15, and the rake 16a to air inlet lower separation wall 16 falls, thus in the flowing of rake 16a place, from the 6th perflation ventilation mouth 14a externally draining from top.Can not to collide with air inlet side partition wall 15 and with air in the lump further to the rainwater of side, downstream movement, flowing by referring to air is by rake 16a, the horizontal part 16b of air inlet side partition wall 15, air inlet lower separation wall 16, vertical component effect 16c and make the situation that its direct of travel deflects upward, this rainwater is separated from the flowing of air based on own wt, fall to rake 16a and horizontal part 16b, in the flowing of rake 16a place from the perflation ventilation mouth 14a externally draining of the 6th from top.Nonetheless still and the rainwater that is moved upward between air inlet side partition wall 15 and vertical component effect 15b in the lump of air, the left and right directions distance of vertical component effect 16c and vertical component effect 15b is set be greater than the left and right directions distance of vertical component effect 15b and left surface 12b and flow path cross sectional area is expanded, thus the flowing of air is slowed down, therefore based on the weight of self, the horizontal part 16b to air inlet lower separation wall 16 falls, afterwards, from the 6th perflation ventilation mouth 14a externally draining from top.In addition, this flow path cross sectional area is made to expand and region that the flowing of air is slowed down is suitable with decelerating area of the present invention.Consider that the rainwater also not dropping to horizontal part 16b by this decelerating area is attached to the vertical component effect 16c of air inlet lower separation wall 16, and be moved upward in the lump with the flowing of air, but utilize the upper end horizontal part 16d extended to the right from the upper end of vertical component effect 16c to tackle, thus this rainwater can be prevented to be transported to motor 31.In addition, for the rainwater that three perflation ventilation mouth 14a from downside enter, because the flow velocity of air is not high, therefore fall to the rake 16a of air inlet lower separation wall 16 after entering, from the 6th perflation ventilation mouth 14a externally draining from top, but, even if when not falling to rake 16a, as described above, utilize the upper end horizontal part 16d extended to the right from the upper end of vertical component effect 16c to tackle, thus this rainwater can be prevented to be transported to motor 31.As mentioned above, air inlet side partition wall 15 and air inlet lower separation wall 16 also possess rainwater and enter preventing effectiveness while possessing noise reduction.
From the cooled air that the exhaust outlet 36 of motor 31 is exhausted, as shown in arrow line G in Fig. 7, flow in exhaust side flow passage region, externally discharge from right side exhaust ventilating opening 14b and left side exhaust ventilation mouth 14c.For the noise that bottom and the pump 41 from motor 31 produces, transmit in exhaust side flow passage region, externally discharge from left side exhaust ventilation mouth 14b and right side exhaust ventilating opening 14c.In the present invention, owing to being provided with the right exhaust side partition wall 51 and left exhaust side partition wall 53 that cover left side exhaust ventilation mouth 14b and right side exhaust ventilating opening 14c, therefore, it is possible to reduce the sound press of the noise discharged from right side exhaust ventilating opening 14b and left side exhaust ventilation mouth 14c.In addition, utilize right exhaust side partition wall 51,54, right exhaust lower separation wall 52,55 and left exhaust side partition wall 53,56, the stream of air is bent elongated, therefore make the noise transmitted in this stream in the decay of wall place, reduce the sound press of the noise discharged from right side exhaust ventilating opening 14b and left side exhaust ventilation mouth 14c.In addition, adjoin by making pump Sound-absorbing member 63,64 and exhaust side flow passage region, therefore formed by pump Sound-absorbing member 63,64 part for the wall that exhaust side flow passage region divides, therefore noise is in pump Sound-absorbing member 63,64 place decay, can reduce noise further.In addition, pump Sound-absorbing member 63,64 also has the function of noise housing 11,12 transmission forwards, backwards making to be produced by pump unit 30 and the situation reduction externally discharged.
Next, with reference to Figure 10 ~ Figure 12, control part 70 and switch-box 80 are described.Control part 70 possesses the camshaft 72 above being arranged in rotatable mode in the inside of switch-box 80, is assemblied in the operation board 71 of the leading section of camshaft 72, is configured in the substrate 79 of the below of camshaft 72, is configured in the microswitch 76 of the below of substrate 79.Substrate 79 is equipped with the switch 73 operated by camshaft 72, the diode 74 being configured for the rectification circuit of powering to motor 31, the fin 75 for cooling installed for diode 74.Camshaft 72 possesses High speed cam 72a and Lower speed cam 72b.Switch 73 is bipolar seesaw switches, by the rotation process of camshaft 72 undertaken by operation board 71, when High speed cam 72a is pressed into a side of rocker 73a, rectification circuit for powering becomes full-wave rectification, make motor 31 High Rotation Speed, thus make the ejection from ejection side interface 23 press to high pressure.Utilize the rotation process of the camshaft 72 undertaken by operation board 71, when Lower speed cam 72b is pressed into the opposing party of rocker 73a, rectification circuit for powering becomes halfwave rectifier, makes motor 31 low speed rotation, thus makes the ejection from ejection side interface 23 press to low pressure.In addition, when having carried out operation in the mode making rocker 73a be in the centre position be not pressed into any one direction to operation board 71, the power supply to motor 31 has stopped.In addition, Figure 12 represents rocker 73a is in not to the state that the mode in the centre position of either direction press-in operates operation board 71.
Like this, run up and low-speed running owing to switching, when therefore using jetting machine in the environment minding noise, select low-speed running and can operate with low noise.
Pressure detecting portion 77 is possessed in the below of pump 41.Pressure detecting portion 77 possesses the pressure in ejection path and the line pressure shift component 78 of displacement that utilize pump 41.The front end of line pressure shift component 78 is configured near the actuator 76a of microswitch 76.When pressure in ejection path is below setting, as shown in solid line in Figure 12, line pressure shift component 78 is positioned at position toward the front, does not carry out the pressing of actuator 76a.Under this state, pump unit 30 can be made to operate by the closed procedure of switch 73.Under the state utilizing the running of pump unit 30 to make the pressure in ejection path reach setting, when have ceased the discharge from the pressure (hydraulic) water of spray gun, as shown in dummy line in Figure 12, line pressure shift component 78 rearward moves and presses actuator 76a.Do not depend on the operation of switch 73 in this condition, and stop the power supply to motor 31, make pump unit 30 be in running halted state.
Switch-box 80 exhaust possessed above it for the exhaust outlet 36 by the rear from motor 31 imports to the exhaust taking mouth 81 of the inside of switch-box 80.From the exhaust of exhaust outlet 36 due to the cooling of motor 31, make the temperature of this exhaust increase, but for the diode 74 as electric heat elements cooling still effective.From the exhaust that exhaust taking mouth 81 imports, as shown in arrow line H in Figure 12, import flowing in road 82, reach to diode 74 and fin 75 in exhaust, make after it cools, the outside to switch-box 80 is exhausted.Import in road 82 in exhaust, the restricted flow path portion 83 that the sectional area being formed with the stream towards downstream reduces gradually, under the state in the process by this restricted flow path portion 83, flow velocity being increased, arrive to diode 74 and fin 75, therefore, it is possible to cool efficiently.
In addition, the noise discharged from the exhaust outlet 36 at the rear of motor 31 from exhaust taking mouth 81 to the internal delivery of switch-box 80 and decay, therefore also has the effect reducing noise.
In addition, the exhaust utilizing the inside from exhaust taking mouth 81 to switch-box 80 to flow into, makes the pressure of the inside of switch-box 80 become higher than outside, therefore, it is possible to prevent rainwater from internally entering from the gap being present in switch-box 80.
Above, preferred forms of the present invention is illustrated, but technical scope of the present invention is not limited to the technical scope of above-mentioned embodiment, various form can be changed to without departing from the spirit and scope of the invention.
Claims (8)
1. a jetting machine, possesses:
Pump unit, it comprises pump and the motor driven described pump;
Control part, it controls described pump unit;
Housing, it is received described pump unit and described control part,
The feature of described jetting machine is,
Described electric tools, for cooling fan, is formed with the flow passage region of the air flowing that described cooling fan sucks from the outside of described housing and adjoins with described flow passage region and be provided with the sound-absorbing region of Sound-absorbing member in the inside of described housing,
The ventilating opening be made up of perflation ventilation mouth and exhaust ventilation mouth is formed at described housing, air inlet and exhaust outlet is formed at described motor, described flow passage region comprises the charge air flow path region be formed between described perflation ventilation mouth and described air inlet and the exhaust flow path region be formed between described exhaust ventilation mouth and described exhaust outlet, at least one party in described charge air flow path region and described exhaust flow path region possesses the partition wall for expanding flow path length
Described partition wall covers at least one party described perflation ventilation mouth and described exhaust ventilation mouth from top.
2. jetting machine according to claim 1, is characterized in that,
Described charge air flow path region possesses the decelerating area of slowing down to the flow velocity of the air sucked.
3. jetting machine according to claim 1, is characterized in that,
Described sound-absorbing region is formed in front and the rear of described pump unit, and described flow passage region is formed at least one party in the left of described pump unit and right.
4. jetting machine according to claim 2, is characterized in that,
Described sound-absorbing region is formed in front and the rear of described pump unit, and described flow passage region is formed at least one party in the left of described pump unit and right.
5. the jetting machine according to any one of Claims 1 to 4, is characterized in that,
Described control part possesses switch and for the rectification circuit to described motor, by the operation of described switch, described rectification circuit is switched to full-wave rectification and halfwave rectifier, thus carries out second gear switching to the revolution of described motor.
6. the jetting machine according to any one of Claims 1 to 4, is characterized in that,
Described control part is accommodated in switch-box, is formed with the exhaust taking mouth of the inside for the exhaust from described exhaust outlet being imported to described switch-box at described switch-box.
7. jetting machine according to claim 5, is characterized in that,
Described control part is accommodated in switch-box, is formed with the exhaust taking mouth of the inside for the exhaust from described exhaust outlet being imported to described switch-box at described switch-box.
8. jetting machine according to claim 7, is characterized in that,
Described rectification circuit has heating electric component, and described switch-box possesses the exhaust importing road being communicated to described heating electric component from described exhaust taking mouth, imports in described exhaust the restricted flow path portion being formed with the flow velocity speedup of the exhaust making to be imported in road.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-182825 | 2012-08-22 | ||
| JP2012182825A JP6038544B2 (en) | 2012-08-22 | 2012-08-22 | High-pressure washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103624021A CN103624021A (en) | 2014-03-12 |
| CN103624021B true CN103624021B (en) | 2016-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310297998.1A Expired - Fee Related CN103624021B (en) | 2012-08-22 | 2013-07-16 | Jetting machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6038544B2 (en) |
| CN (1) | CN103624021B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835910B (en) * | 2014-03-24 | 2016-07-06 | 上海永灼机电有限公司 | A kind of energy-saving big-flow high-pressure water pump for jetting machine and method |
| DE102015117079A1 (en) * | 2015-10-07 | 2017-04-13 | Alfred Kärcher Gmbh & Co. Kg | Air-cooled high-pressure cleaner |
| WO2018184700A1 (en) * | 2017-04-07 | 2018-10-11 | Alfred Kärcher SE & Co. KG | Air-cooled high-pressure cleaning device |
| JP7158955B2 (en) * | 2018-08-28 | 2022-10-24 | 株式会社マキタ | High-pressure washing machine |
| CN109552268B (en) * | 2019-01-30 | 2023-09-26 | 广州市道诺电子科技有限公司 | Intelligent car washing equipment of split type control |
| US11346579B2 (en) | 2019-04-24 | 2022-05-31 | Karcher North America, Inc. | Vented cover plate |
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| CN2096426U (en) * | 1991-07-31 | 1992-02-19 | 韶关拖拉机总厂 | High-pressure cleaning machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2014039902A (en) | 2014-03-06 |
| CN103624021A (en) | 2014-03-12 |
| JP6038544B2 (en) | 2016-12-07 |
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Effective date of registration: 20180604 Address after: Hiroshima County Patentee after: KYOCERA INDUSTRIAL TOOLS Corp. Address before: Hiroshima County, Japan Patentee before: Ryobi Ltd. |
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