CN103506958B - Water injection type electric tool - Google Patents

Water injection type electric tool Download PDF

Info

Publication number
CN103506958B
CN103506958B CN201310233841.2A CN201310233841A CN103506958B CN 103506958 B CN103506958 B CN 103506958B CN 201310233841 A CN201310233841 A CN 201310233841A CN 103506958 B CN103506958 B CN 103506958B
Authority
CN
China
Prior art keywords
above
mentioned
injection type
tool
water injection
Prior art date
Application number
CN201310233841.2A
Other languages
Chinese (zh)
Other versions
CN103506958A (en
Inventor
沼田文年
山田吉男
新居高治
Original Assignee
株式会社牧田
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2012136102A priority Critical patent/JP2014000616A/en
Priority to JP2012-136102 priority
Priority to JP2012-136103 priority
Priority to JP2012136103A priority patent/JP2014000617A/en
Application filed by 株式会社牧田 filed Critical 株式会社牧田
Publication of CN103506958A publication Critical patent/CN103506958A/en
Application granted granted Critical
Publication of CN103506958B publication Critical patent/CN103506958B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/04Protective covers for the grinding wheel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/04Lapping machines or devices; Accessories designed for working plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/34Accessories

Abstract

The present invention provides a kind of Water injection type electric tool, and it can prevent from being ground adding water in man-hour to the outside splashing of protective cover, it addition, user can also confirm disk-like tool from the outside of protective cover when carrying out this attrition process to being ground part.Water injection type electric tool (1) can be to disk-like tool (24) water filling, have: disk-like tool, it is arranged on main shaft (20), for to be ground part be ground processing, this main shaft highlights forward from the housing being used for receiving dress motor (M), and the rotation of the output shaft (10) of this motor (M) passes to this main shaft;Protective cover (60a, 80), it is installed on the housing, for covering this disk-like tool, this disk-like tool whole is covered by this protective cover, the at least upper portion of the upper side covering on this disk-like tool of this protective cover is transparent configuration, and this Water injection type electric tool also has the water injecting mechanism (28,37) for carrying out water filling to the inner surface of this upper portion.

Description

Water injection type electric tool

Technical field

The present invention relates to a kind of Water injection type electric tool, have: disk-like tool, it is arranged on On main shaft, for being ground processing to being ground part, described main shaft receives dress motor from being used for Housing highlight forward, the rotation of the output shaft of described motor passes to described main shaft; Protective cover, it is installed on the housing, is used for covering described disk-like tool.Further, In this Water injection type electric tool, can be to disk-like tool water filling.

Background technology

Such as have as follows disclosed in Japanese invention Patent Publication No 2006-95667 A kind of Water injection type electric tool: can be to quilt being provided with on the main shaft that its housing highlights Abrasive article is ground the disk-like tool of processing, it addition, be provided with for cover on housing The protective cover of the side, rear of disk-like tool is stated in residence, be formed in described main shaft for The waterflood path of water filling is carried out to the attrition process position being ground part.In Japanese invention patent In No. 2006-95667 described Water injection type electric tool of Publication JP, use discoid Instrument carries out plane lapping processing etc. and adds man-hour, by waterflood path to plane being ground part Attrition process position etc. carries out water filling, the water flowed out prevent from producing because of attrition process Grinding chip splashes, and also cools down disk-like tool.

But, in No. 2006-95667 described water filling of Japanese invention Patent Publication No In formula electric tool, the side, front of disk-like tool is not covered by protective cover.Therefore have Time problems with occurs: as shown in Fig. 1 of this publication, if making disk-like tool by level Posture tilted rearward, utilizes the side, front of disk-like tool to enter the corner being ground part During row chamfer machining, be injected into the water at attrition process position along with the rotation of disk-like tool and Disperse to the outside of protective cover.

For solving the problems referred to above, it may be considered that cover whole disk-like tool with protective cover, but It is if covering whole disk-like tool with protective cover, in the work shown in Fig. 1 of above-mentioned publication In tool, it is possible that problems with: when chamfer machining, user cannot be from protective cover External visual confirm disk-like tool side, front.

Summary of the invention

In view of the foregoing, applicant proposes the present invention, it is therefore intended that provide following a kind of water filling Formula electric tool: it can prevent from being ground adding water in man-hour to protective cover to being ground part Outside splashing, it addition, user can also be from the outside of protective cover when carrying out this attrition process Confirm disk-like tool.

For achieving the above object, the Water injection type electric tool tool described in technical solution of the present invention 1 Having: disk-like tool, it is arranged on main shaft, for be ground part be ground processing, Described main shaft highlights forward from the housing being used for receiving dress motor, the output shaft of described motor Rotation pass to described main shaft;Protective cover, it is installed on the housing, is used for covering Described disk-like tool, and, in this Water injection type electric tool, can note to disk-like tool Water, is covered whole disk-like tool by described protective cover, and at least make protective cover covers on disk The upper portion of the upper side of shape instrument is transparent configuration, and described Water injection type electric tool also has There is the water injecting mechanism for carrying out water filling to the inner surface of described upper portion.

On the basis of technical scheme 1, water injecting mechanism described in technical solution of the present invention 2 has: Through hole, its energy being formed on described disk-like tool is in the face of the described interior table of described upper portion In the region in face;1st water filling spray-hole, it is formed on main shaft, for described through hole Water filling.

On the basis of technical scheme 1 or technical scheme 2, described in technical solution of the present invention 3 Water injection type electric tool, described upper portion is can be arranged on described protective cover in the way of pulling down Lower section on.

The electronic work of water injection type on the basis of technical scheme 2, described in technical solution of the present invention 4 Tool, is provided with the 2nd water filling spray-hole on described main shaft, the 2nd water filling spray-hole place Axis direction is different from the axis direction at described 1st water filling spray-hole place.

On the basis of technical scheme 1 or technical scheme 2, described in technical solution of the present invention 5 Water injection type electric tool, described main shaft and described output shaft configured in parallel.

[invention effect]

When using the Water injection type electric tool of technical solution of the present invention 1, covered by protective cover Whole disk-like tool, is being ground adding man-hour to being ground part, can prevent from being injected into circle Water on plate-like instrument is to the outside splashing of protective cover.Disk is covered it addition, be at least used in The upper portion of the protective cover of the upper side of shape instrument is transparent configuration, therefore can be from protective cover Outside through described upper portion and be visually confirmed to be the upper side of disk-like tool.Further, Can also be ground adding to being ground part while clean the inner face of described upper portion with water Work.Accordingly, it is capable to prevent grinding chip to be attached to the inner surface of described upper portion.Grinding Mill adds the upper side being also easy to be visually confirmed to be disk-like tool man-hour.

When using the Water injection type electric tool of technical solution of the present invention 2, from the 1st water filling spray-hole The water injected can arrive described upper portion under the effect of through hole through disk-like tool Inner surface.Therefore, it is possible to water is directed to from the 1st water filling spray-hole being formed at main shaft Described inner surface.

When using the Water injection type electric tool of technical solution of the present invention 3, if the top of protective cover There is breakage in portion, the most simply needs to change this upper portion, it is not necessary to changes and comprises lower section Whole protective cover.Accordingly, it is capable to reduce the renewal expense of protective cover.

When using the Water injection type electric tool of technical solution of the present invention 4, when attrition process, also The 2nd injecting jet hole part in protective cover beyond the inner surface of upper portion can be passed through note Water.Accordingly, it is capable to by the disk-like tool water filling in protective cover of the 2nd water filling spray-hole.

When using the Water injection type electric tool of technical solution of the present invention 5, it is arranged on master if using Disk-like tool on axle carries out plane lapping and adds man-hour being ground part, motor from recast For disk-like tool, thus being prone to press to be ground part by disk-like tool, this motor has Have and the output shaft 10 of main axis parallel configuration.Thus the operation effect of plane lapping processing can be improved Rate.

Accompanying drawing explanation

Fig. 1 is the side cutaway view representing the water injection type polisher in embodiment of the present invention 1.

Fig. 2 is the front view of above-mentioned water injection type polisher.

Fig. 3 is the figure of the cover main body of the protective cover representing that in Fig. 1, water injection type polisher is had, During during in Fig. 3, (a) is rearview, Fig. 3, (b) is upward view, Fig. 3, (c) is local During in side view, Fig. 3, (d) is Fig. 3 in the line A-A profile of (a), Fig. 3 (e) It is axonometric chart for comprising (f) in the fragmentary front view in partial cutaway cross section, Fig. 3.

Fig. 4 is the overall perspective view representing the assist shroud constituting above-mentioned protective cover.

Fig. 5 is the side-looking representing and taking off the water injection type polisher after assist shroud from cover main body Profile.

Fig. 6 is that the master representing the water injection type polisher after taking off assist shroud from cover main body regards Figure.

Fig. 7 is the overall perspective view representing the water injection type polisher in embodiment of the present invention 2.

Fig. 8 is the backsight representing the water injection type polisher after taking off cap assembly from electric machine casing Axonometric chart.

Fig. 9 is to represent above-mentioned electric machine casing and the exploded perspective view of above-mentioned cap assembly.

Figure 10 represents the above-mentioned electric machine casing when forward observation water injection type polisher and above-mentioned cover The exploded perspective view of parts.

Figure 11 is the front view representing above-mentioned cap assembly.

Figure 12 is the line A-A direction view representing Figure 11.

[description of reference numerals]

1: water injection type polisher, 2: electric machine casing, 3: gear-box, 10: the output of motor Axle, 20: main shaft, 24: milling tool, 26: bellying, 28: through hole, 37: the 1 water fillings Spray-hole, 38: the 2 water filling spray-holes, 60: protective cover, 60a: cover main body, 80: assist shroud, 82: translucent cover, 115: vent, 130: cap assembly, 135: reinforcement, 138: rubber Bolt, 139: engagement pawl, F: fan, M: motor.

Detailed description of the invention

<embodiment 1>

Explanation embodiments of the present invention 1 with reference to the accompanying drawings.Further, in FIG, will be main The axis direction of axle 20 is as direction before and after water injection type polisher 1, with the axle of main shaft 20 The direction that line intersects vertically is as the above-below direction of water injection type polisher 1.

As it is shown in figure 1, water injection type polisher 1 has: electric machine casing 2, it is along the longitudinal direction Arrange;Gear-box 3, it is connected to the front of electric machine casing 2;Ring-shaped handle 4, it is formed In electric machine casing 2 and the downside of gear-box 3.This water injection type polisher 1 is water filling of the present invention One example of formula electric tool.

Ring-shaped handle 4 has: handle latter half of 6, its from the rear lower portion of electric machine casing 2 to Lower section is prominent;Handle first half 8, its from the bottom of handle latter half of 6 across being set to gear-box 3 Front portion, is L-shaped during side-looking.

Ring-shaped handle 4 highlights also from the downside of the downside of electric machine casing 2 and gear-box 3 Ringwise, with handle latter half of 6 as rear portion, with the front of handle first half 8 as front portion, With it below as bottom.

As it is shown in figure 1, motor M is housed in the inside of electric machine casing 2, its output shaft 10 Landscape configuration, is formed with little gear 11 on the top of its output shaft 10.This little gear 11 is dashed forward Go out in gear-box 3.Main shaft 20 is arranged in gear-box 3 via bearing 21.This main shaft Output shaft 10 configured in parallel of 20 and motor M.It is provided with in the periphery, rear portion of main shaft 20 and drives Moving gear 22.Output shaft 10 is rotated with driving engaging of gear 22 by little gear 11 Pass to main shaft 20.As it is shown in figure 1, compared with the front end of gear-box 3, before main shaft 20 End also front to gear-box 3 highlights.

Described motor M is powered by power line (not shown) and is driven, its switch 23 It is arranged on handle latter half of 6 and exposes outside.

It addition, discoid milling tool 24 is installed in the way of intersecting vertically with main shaft 20 Front end at main shaft 20.This milling tool 24 is an example of the disk-like tool of the present invention Son.As depicted in figs. 1 and 2, milling tool 24 has: bellying 26, it rearward rouses Going out, cross section is trapezoidal shape;Connecting shaft 27, it is located at bellying 26 the most highlightedly On upper surface.Bellying 26 is provided with multiple run through this bellying 26 rake (after Skew back face 17 and abrasive side inclined-plane 18) through hole 28.The plurality of through hole 28 is with connecting shaft Along the circumferential direction it is separated by same interval on circumference centered by 27 and is formed.In connecting shaft 27 On be formed through the screwed hole 29 at its center, on the front outer peripheral face of main shaft 20, shape Become to have the external screw thread 30 for threadeding with screwed hole 29.

It addition, as it is shown in figure 1, be provided with waterflood path 32 in the front portion of main shaft 20.This water filling Passage 32 includes: introduction channel 33, and it is positioned at the interposition on the axis direction of main shaft 20 Put, be oriented the direction that the axis with main shaft 20 intersects vertically;Guiding channel 34, it is along upper State axis direction arrange and connect with introduction channel 33, be positioned at and also proximate than introduction channel 33 The position of the front side of main shaft 20.

The guiding channel 34 of main shaft 20 or a kind of for the pin 35 of water filling is fixed into The hole that main shaft 20 is coaxial, is provided with pin waterflood path the 36 and the 1st water filling spray in the inside of pin 35 Perforation the 37 and the 2nd water filling spray-hole 38.Pin waterflood path 36 is positioned at pin 35 and along pin The axis direction of 35 is formed.1st water filling spray-hole 37 intersects vertically along the axis with pin 35 Direction formed and connect with pin waterflood path 36 in the inside of pin 35.It addition, the 1st The two ends of water filling spray-hole 37 are in the side face front opening of pin 35.Here, the 1st water filling is made The aperture position at the two ends of spray-hole 37 and the through hole 28 opening position on abrasive side inclined-plane 18 Put, the axis direction of pin 35 (main shaft 20) keeps consistent.Therefore, the 1st note can be made Water jetting holes 37 is towards through hole 28.It addition, the 2nd water filling spray-hole 38 is located on pin 35, The axis direction at its place and the axis direction at the 1st water filling spray-hole 37 place are different.Here, Relative to the axis direction of pin 35, the 2nd water filling spray-hole 38 is formed at and inclines relative to the former On oblique direction.It addition, with the 1st water filling spray-hole 37 phase on the axis direction of pin 35 Ratio, in the inside of pin 35, the rear end of the 2nd water filling spray-hole 38 is closer to side, rear Position connect with pin waterflood path 36.It addition, the front end of the 2nd water filling spray-hole 38 exists Pin 35 front end face opening.Further, around the introduction channel 33 of main shaft 20, be provided with Main shaft 20 contacts and peripheral parts 40 with holes, and the hole 41 of this hole connection is arranged on gear The underside of forward of case 3.

It addition, as it is shown in figure 1, be configured with in the inside of handle first half 8 for leading to water filling The feed pipe 50 that road 32 supplies water.It is provided with in the upper end of feed pipe 50 and is connected to described hole 41 On connector 52, be provided with the connector for connecting valve 54 in the lower end of feed pipe 50 56, this valve 54 is used for regulating flow.

Further, the opposite side (downside) at valve 54 connects water service hose (not shown) Connector 58.The bottom of connector 58 is exposed on the downside of the corner of handle first half 8 Outward.

It addition, as depicted in figs. 1 and 2, it is configurable on the protective cover 60 of the surrounding of main shaft 20 It is arranged on handle first half 8 and gear-box 3.Receive equipped with feed pipe in handle first half 8 50.As it is shown in figure 1, protective cover 60 forms the disk-like structure of forward side opening, from rear with Non-contacting mode covers whole milling tool 24.

Protective cover 60 includes half plate-like or half bowl-shape cover main body 60a and can be contained in cover In main body 60a and the assist shroud 80 that can pull down.Protective cover is constituted 60 times by cover main body 60a Half part, is made up of the top half of protective cover 60 assist shroud 80.

Cover main body 60a is made up of elastomeric material (synthetic rubber), also has expression in Fig. 3, cover Main body 60a is following shape: relative to the flat bowl-shape center, bottom being slit longitudinally into two halves Between, diameter is extended, directly to the outside of middle, described bottom less than the former semi-circular plate The less circular hole 61 in footpath is formed on semi-circular plate, and concentric with this semi-circular plate, setting arrange Reinforcement 62 impales the first half of circular hole 61 and extends to below.As shown in Fig. 3 (f), Inside reinforcement 62, relative to outside, it is the most relatively low.It addition, as in Fig. 1,2 and Fig. 3 Shown in (d), (e), be configured with in the bowl-shape inside (front surface) of cover main body 60a in Radial multiple reinforcement 63.

It addition, reinforcement 62 in the lower section (downside of (a) in Fig. 3) of circular hole 61 Inside, in mushroom projection 64 towards the rear (right side in Fig. 1) of cover main body 60a Projecting, reinforcement 62 in the upside (upside of (a) in Fig. 3) of circular hole 61 Inner surface, in mushroom projection 66 towards the lower section of cover main body 60a (in Fig. 3 (a) Downside) projecting.

Further, internal in the front side (left side of Fig. 1) of cover main body 60a each reinforcement 63 Outside be formed with slit 67 (with reference to (e) in Fig. 2 and Fig. 3), this slit 67 is from cover The rear side (right side in Fig. 1) of main body 60a forwards extends.The width of each slit 67 with The wall thickness of the shroud member 81 of assist shroud 80 described later is identical, and the degree of depth is slightly smaller than shroud member 81 Width front and back.

It addition, as shown in (d), (e) in Fig. 3, in the side wall inner surfaces of cover main body 60a The line that connects each slit 67 on, be provided with multiple inside towards cover main body 60a prominent Kick 68.

Further, positive front side (Fig. 3 at above-mentioned line on direction before and after cover main body 60a In the right side of (d)) be provided with the multiple block teats 69 formed along above-mentioned line.In cover main body Before and after 60a on direction, the rear surface (left side in (d) in Fig. 3) of each teat 69 and Width phase before and after the distance of the bottom (left side with in figure) of slit 67 and shroud member 81 With.

It addition, in the bottom (downside in (a) in Fig. 3) of cover main body 60a, be provided with court The guide wall 75,75 prominent to the left and right sides of cover main body 60a, in each guide wall 75 What the bowl-shape sidewall with cover main body 60a of side intersected is formed in part with draw-in groove 76 (with reference to figure In 3 (e)).The bottom of draw-in groove 76 is configured to before and after cover main body 60a on direction with narrow The bottom of seam 67 is consistent.

Further, as it is shown in figure 1, have in the middle part, front of handle first half 8 for projection 64 receiving holes 78 entered, have in the upper end, front side of gear-box 3 for projection 66 entrance Receiving hole 79.As it is shown in figure 1, by projection 64, projection 66 are respectively embedded into receiving hole 78, receiving hole 79 make cover main body 60a be fixed on handle first half 8 and gear-box 3. After cover main body 60a being fixed on handle first half 8 and gear-box 3, just can be with noncontact Mode cover the latter half (downside in Fig. 1) of milling tool 24.It addition, cover is main Body 60a is an example of the lower section of the protective cover of the present invention.

As shown in Figure 4, assist shroud 80 includes shroud member 81 and translucent cover 82.Shroud member 81 It is made up of transparent resin, downward side (downside in Fig. 1, the right side in Fig. 4) Uncovered, it is Ω word shape during vertical view, it is strip-shaped members.It addition, the two ends of shroud member 81 Edge is bent over respectively, starts side, end as connecting portion 83,83 from bending section.

It addition, in the side contrary with end relative to this bending section of shroud member 81, point It is not provided with the aperture 84 equivalently-sized with the kick 68 of cover main body 60a.

Further, in the rear surface (right side in Fig. 1, the upside in Fig. 4) of shroud member 81 Periphery be fixed with translucent cover 82, it covers inside shroud member 81 from the rear of shroud member 81 The top half in region.Translucent cover 82 is made up of transparent resin, is semicircle shape during vertical view.As Shown in Fig. 1 and Fig. 4, be provided with on the surface of translucent cover 82 center of protective cover 60 to The inclined-plane 86 that oblique upper tilts.Here, the inclination angle on inclined-plane 86 and the drum of milling tool 24 are made The inclination angle on each inclined-plane 17,18 going out portion 26 is identical.It addition, be provided with on translucent cover 82 by Being cut into semicircular notch 87, it is positioned at the interposition in the radial direction of translucent cover 82 Put.

By following steps, assist shroud 80 installed in cover main body 60a or take off from it.Make The ora terminalis of shroud member 81 is to the interior lateral bend of shroud member 81, as in figure 2 it is shown, by each connection Portion 83 inserts in the draw-in groove 76 in guide wall 75 respectively (with reference to (e) in Fig. 3).With The middle part of shroud member 81 is inserted and is located at the slit 67 on each reinforcement 63 simultaneously by this In, embed in Fig. 3 between each teat 69 shown in (d) and the bottom of draw-in groove 67, little prominent Play 68 (with reference to (d) in Fig. 3) to enter in the corresponding each aperture 84 shown in Fig. 4.This Sample, only need to be inserted into cover main body 60a by the outer rim bending of the shroud member 81 of assist shroud 80 Inwall just assist shroud 80 can be arranged in cover main body 60a.As it is shown in figure 1, will auxiliary After cover 80 is arranged in cover main body 60a, under the effect of notch 87, assist shroud can be made 80 cover in a non-contact manner when avoiding connecting shaft 27 and produce interference the most therewith Live milling tool 24 top half.At this moment, due to assist shroud 80 inclined-plane 86 inclination angle and The inclination angle on the rear side inclined-plane 17 of milling tool 24 is identical, so can be at the inner surface on inclined-plane 86 And under the state setting certain gap between rear side inclined-plane 17, both are configured in opposite directions.So, Rear side inclined-plane 17 upper shed each through hole 28 just with the interior table on the inclined-plane 86 of translucent cover 82 Face is in opposite directions.Further, owing to the translucent cover 82 of assist shroud 80 is made up of transparent resin, so The first half of milling tool 24 can be visually confirmed to be through translucent cover 82 from the outside of protective cover 60 Part.Further, assist shroud 80 is an example of the upper portion of the protective cover 60 of the present invention, The bellying 26 of milling tool 24 be can with in the protective cover upper portion on disk-like tool One example in the region faced by surface.

Further, as shown in Figure 5 and Figure 6, when taking off assist shroud 80 from cover main body 60a, As long as the ora terminalis of bending shroud member 81 and take out shroud member 81 from the inner side of cover main body 60a i.e. Can.Therefore, the operation installing in cover main body 60a by assist shroud 80 or take off from it becomes Easily.

Above-mentioned water injection type polisher so works.

That is, not shown power line is received on power supply, open the switch 23 of ring-shaped handle 4 again Rear main shaft 20 rotates, and milling tool 24 mounted thereto will rotate, by milling tool The upper side of 24 props up and just can be ground adding to the corner being ground part after being ground part Work.

It addition, hose connection on connector 58 by from water source, open through tommy bar operation After valve 54, water is by the feed pipe 50 in ring-shaped handle 4, connector 52, gear-box 3 The hole 41 of underside of forward, peripheral parts 40 and be supplied in the waterflood path 32 of main shaft 20. This water is injected into milling tool 24 via pin waterflood path 36 from the 1st water filling spray-hole 37 Or on its abradant surface.Even if so, owing to covering whole milling tool 24 by protective cover 60, So the water being injected in milling tool 24 grade can be prevented to be splashed to the outside of protective cover 60.

Further, when attrition process, owing to the 1st water filling spray-hole 37 is facing to milling tool 24 Through hole 28, so from the water of the 1st water filling spray-hole 37 ejection along the inner surface of through hole 28 Side, inclined-plane 17 on rear side of abrasive side inclined-plane 18 flows to and through milling tool 24.It addition, Faced by the inner surface of through hole 28 and translucent cover 82, so can be under the effect of through hole 28 The water through milling tool 24 is made to arrive described inner surface continuously.Thus can be by water from the 1st Water filling spray-hole 37 is directed to the inner surface of translucent cover 82.Due to when attrition process, energy Enough inner surfacies cleaning translucent cover 82 all the time with water, so can prevent from being ground grinding of part generation Grind bits to be attached to keep translucent cover 82 transparent on described inner surface.Therefore, operator exists Translucent cover 82 can be readily penetrated through during attrition process and confirm from the external visual of protective cover 60 The top half of milling tool 24.It addition, through hole the 28 and the 1st water filling spray-hole 37 is this One example of the water injecting mechanism of invention.

Can install in cover main body 60a or from it it addition, be as noted previously, as assist shroud 80 Take off, scratch the inner surface etc. of translucent cover 82 even if grinding chip and make assist shroud 80 damage Time, only need to change assist shroud 80, it is not necessary to change and comprise the whole of cover main body 60a Protective cover 60.

It addition, the surface being ground part is being carried out with the water injection type polisher 1 of present embodiment During grinding, operator intersects vertically state below with rotating at holding main shaft 20 with being ground part Milling tool 24 prop up Surface Edge and move it.At this moment, operator by motor M from Recast is used for milling tool 24, thus is prone to milling tool 24 is pressed to described surface, this electricity Machine M has and the output shaft 10 of main shaft 20 configured in parallel, and main shaft 20 is provided with grinding work Tool 24.It addition, except cleaning translucent cover 82 with the water of the 1st water filling spray-hole 37 ejection Outside inner surface, from the 2nd water filling spray-hole 38 to the disk-like tool 24 in protective cover 60 Carry out water filling and make disk-like tool 24 cool down.It addition, add in the grinding terminating to be ground part After work, by continuing to carry out water filling to being ground part from the 2nd water filling spray-hole, can clean Fall and remain in the grinding chip being ground on part.

<effect of embodiment 1>

In the water injection type polisher 1 of present embodiment, cover whole grinding by protective cover 60 Grinder tool 24 is ground and adds the water being injected into man-hour on milling tool 24 preventing from being ground part It is splashed to the outside of protective cover 60.It addition, make to cover on the upper side of milling tool 24 Assist shroud 80 is transparent configuration, so can pass through the assist shroud 80 outside mesh from protective cover 60 Depending on confirming the upper side of milling tool 24.Also have, it is possible to limit use water cleans assist shroud 80 Inner surface limit to be ground part be ground processing.Accordingly, because be prevented from grinding broken Bits adhere on the internal surface, even if so when attrition process, being also easy to through auxiliary Cover 80 confirms the upper side of milling tool 24 from the external visual of protective cover 60.

It addition, when attrition process, make from the 1st water filling spray-hole 37 water of ejection via Through hole 28 and through milling tool 24, make this water arrive be located in assist shroud 80 saturating continuously The inner surface of bright cover 82.Therefore, it is possible to water is directed to from the 1st water filling spray-hole 37 The inner surface of bright cover 82.

Further, even if grinding chip and scratching the inner surface etc. of translucent cover 82 and make assist shroud 80 During damage, only need to change assist shroud 80, it is not necessary to change including cover main body 60a Whole protective cover 60.Therefore, it can reduce the renewal expense of protective cover 60.

It addition, be ground adding man-hour to being ground part, can be via the 2nd water filling spray-hole 38 disk-like tools 24 in protective cover 60 carry out water filling, the 2nd water filling spray-hole 38 The axis direction at place and the axis direction at the 1st water filling spray-hole 37 place are different.

Further, to be ground part surface be ground time, the Gravitative Loads of motor M is in grinding Grinder tool 24, thus be prone to milling tool 24 is pressed to described surface, this motor M has With the output shaft 10 of main shaft 20 configured in parallel, main shaft 20 is provided with milling tool 24.Cause This, can improve the working performance of surface grinding processing.

The present invention is not limited to above-mentioned embodiment, within a range not departing from the gist of the invention, energy Enough suitable changing section structures.The most in the above-described embodiment, inside protective cover 60, Only assist shroud 80 is made up of transparent resin, but unlike this, it is possible to so that cover main body 60a All it is made up of transparent resin with assist shroud 80.It addition, in the above-described embodiment, to grind It is formed with multiple through hole 28 on circumference direction centered by the connecting shaft 27 of grinder tool 24, But unlike this, it is also possible at least form a through hole facing to the 1st water filling spray-hole 37 28。

Further, in the above-described embodiment, it is illustrated that single 2nd water filling spray-hole 38 is at pin The example of the front end face opening of 35.But unlike this, it is possible to so that the 2nd of more than 2 the Water filling spray-hole 38 is at described front end face opening.It addition, in the above-described embodiment, illustrate The pin 35 of water filling is fixed on main shaft 20 and co-axial, is communicated with on pin 35 1st water filling spray-hole the 37 and the 2nd water filling spray-hole 38 of main shaft 20 waterflood path 32 Example.But unlike this, it is also possible to do not set pin 35 and on main shaft 20, directly form two Individual water filling spray-hole 37,38.Further, different from the embodiment described above, single shell can be used Body forms electric machine casing 2 and gear-box 3.Additionally, different from the embodiment described above, Ke Yi The inside of protective cover 60 arranges the device that directly can discharge water to the inner surface of translucent cover 82.Separately Outward, different from the embodiment described above, it is also possible to only by the side, upper end of translucent cover 82 by transparent Resin is made and is only transparent configuration by the side, upper end of assist shroud 80.

It addition, in the above-described embodiment, exemplified with the present invention being applicable to AC drive type note The example of ability of swimming polisher.But be not limited to this, it is suitable for rechargeable water injection type The water injection types such as polisher, the AC drive type with water structure or rechargeable polishing machine are electronic Instrument.

<embodiment 2>

Explanation embodiments of the present invention 2 with reference to the accompanying drawings.

As it is shown in fig. 7, water injection type polisher 1 has: electric machine casing 2, it is tubular, by Resin is made, and arranges along the longitudinal direction;Gear-box 3, it is made of metal, and is connected to motor The front of housing 2;Ring-shaped handle 4, it is formed from a resin, and is formed at electric machine casing 2 and tooth The downside of roller box 3.This water injection type polisher 1 is of Water injection type electric tool of the present invention Example.

Ring-shaped handle 4 has: handle latter half of 6, its from the rear lower portion of electric machine casing 2 to Lower section is prominent;Handle first half 8, its from the bottom of handle latter half of 6 across being set to gear-box 3 Front portion, is L-shaped during side-looking.

Ring-shaped handle 4 highlights also from the downside of the downside of electric machine casing 2 and gear-box 3 Ringwise, with handle latter half of 6 as rear portion, with the front of handle first half 8 as front portion, With it below as bottom.

Receive equipped with motor M, the output of this motor M as it is shown in fig. 7, electric machine casing 2 is internal The top of axle is stretched in gear-box 3, and motor M is driven by the power supply of power line 110 Dynamic, its switch 23 is located on handle latter half of 6 and exposes outside.Main shaft (not shown) leads to Cross bearing to be transversely mounted in gear-box 3.This main shaft and the output shaft configured in parallel of motor M, With being engaged of main shaft, the rotation of this output shaft is passed to main shaft by described output shaft.Separately Outward, the front end of main shaft is prominent to the front of gear-box 3 from the front end of gear-box 3.Discoid Milling tool 24 state that intersect perpendicular with main shaft be arranged on the front end of this main shaft.Additionally, Milling tool 24 is an example of the disk-like tool of the present invention.

It addition, the axis direction along main shaft forms waterflood path, the pin of water filling inside main shaft It is interior and coaxial with this waterflood path that 125 (with reference to Fig. 7) are fixed on this waterflood path.At this pin Water filling spray-hole 126 is had at opening, this water filling spray-hole 126 and described waterflood path on 125 It is connected.It addition, be configured with the confession supplied water to waterflood path in the inside of handle first half 8 Water pipe.It is provided with the valve for adjusting flow in the downside of feed pipe, connects in the downside of valve It is connected to the connecting portion 127 (with reference to Fig. 7) of water service hose.As it is shown in fig. 7, connecting portion 127 Expose outside on the downside of the corner of handle first half 8.

And, protective cover 128 (with reference to Fig. 7) is added through molding by elastomer (synthetic rubber) Work forms, and is arranged on handle first half 8 and gear-box 3.On front side of protective cover 128 is formed The plate-like of opening, covers the latter half of milling tool 24 in a non-contact manner from its rear (downside in Fig. 7).

As shown in Figure 8, the rear surface (right side in Fig. 8) at electric machine casing 2 be formed by The tempering air of motor M imports the multiple vents 115 in electric machine casing 2.Such as Fig. 8 To shown in Figure 10, at the rear portion (rear side in Fig. 8 to Figure 10) of the inside of electric machine casing 2 It is respectively arranged on the left side and the right side brush maintaining part 117 across motor M.By each brush maintaining part 117 keep the brush being slidably connected with motor commutator, and brush is in towards with motor M's The cylindrical shape that the direction that output shaft intersects vertically extends.Outside the top of each brush maintaining part 117 Week forms one and from these both sides towards motor with the left and right sides at the rear portion of electric machine casing 2 The outside of housing 2 is exposed.It addition, in the front portion of electric machine casing 2 (in Fig. 7 to Figure 10 Left side) this electric machine casing 2 left and right sides on be formed with multiple described tempering air Air vent 116.Each air vent 116 is positioned at the outside of fan F, and fan F is positioned at motor casing In body 2, for making the motor M cooling being arranged on the output shaft of motor M.

It addition, as shown in Fig. 7,9,10, resinous cap assembly 130 is with the side that can pull down Formula is arranged on the rear portion of electric machine casing 2.Cap assembly 130 includes: main part 131, and it is cylinder Shape, diameter than electric machine casing 2 is big and towards front side (electric machine casing 2 side) opening; Arm 132,132, it extends from the left and right side of main part 131 to electric machine casing 2 side Arrange.As shown in Figures 9 to 11, the inner surface of main part 131 is formed added by 4 Strong muscle 135, it is separated by identical distance in the circumferential direction of this main part 131.Each reinforcement Muscle 135 is connected with the front openings of main part 131 and from the interior inner peripheral surface of main part 131 Extend to the inner surface side of the rear surface (right side in Fig. 9 and Figure 10) of main part 131, Projecting towards the inner side of main part 131 from described inner peripheral surface and described rear surface.As rear Described, each reinforcement 135 can abut with the outer peripheral face of electric machine casing 2 and rear surface.

It addition, as shown in Fig. 9 to Figure 12, in the inner surface side of main part 131 rear surface It is formed with 4 cylindric teats 136 extended to the front side of main part 131, this teat 136 in the circumferential direction of main body 131 between adjacent reinforcement 135.Such as Figure 12 Shown in, it is respectively equipped with cylindrical 137 at each teat 136.As shown in Figures 9 to 11, rubber Glue bolt 138 is inserted in each cylindrical 137 with the state highlighted from cylindrical 137. As described later, when cap assembly 130 is arranged on electric machine casing 2, each rubber bolt 138 Be sandwiched in cap assembly 130 inner surface (the inner surface side of main part 131 rear surface) and Between the rear surface of electric machine casing 2.

Further, as shown in Fig. 9 to Figure 12, the projecting end at each arm 132 is arranged respectively There is the engagement pawl 139 prominent towards the inner side of arm 132.As illustrated in fig. 7 and fig. 10, two Individual engagement pawl 139 is for two electricity exposed with the left and right sides from electric machine casing 2 respectively The top periphery of brush maintaining part 117 is locked on together.It addition, each engagement pawl 139 is this One example of bright card locking mechanism.

By following steps, cap assembly 130 installed to the rear portion of electric machine casing 2 or take from it Under.Operator is by making the front openings of the main part 131 of cap assembly 130 close to motor casing The rear surface of body 2 and electric machine casing 2 is inserted in main part 131 from described front openings. Each rubber bolt 138 (with reference to Figure 10) is made to be connected on the rear surface of electric machine casing 2 afterwards, Each reinforcement 135 (with reference to Figure 10 and Figure 11) is made to be connected to described rear surface respectively and than being somebody's turn to do On the outer peripheral face of the electric machine casing 2 that rear surface is forward.As it is shown in fig. 7, lead in this condition Cross and make each arm 132 produce elastic deformation and two engagement pawl 139 are locked on two respectively On the top periphery of brush maintaining part 117.So, portion will can be covered via each reinforcement 135 Part 130 is maintained on outer peripheral face and the rear surface of electric machine casing 2, now, and each rubber bolt 138 Be sandwiched in the inner surface side of the rear surface of main part 131 and electric machine casing 2 rear surface it Between.Owing to cap assembly 130 is bearing in the rear surface of electric machine casing 2 via each rubber bolt 138 On, it is possible to it is spacious dynamic to prevent it from producing relative to electric machine casing 2.So by cap assembly 130 It is arranged on the rear portion of electric machine casing 2.It addition, each rubber bolt 138 is the elastomer of the present invention An example.

Owing to main part 131 diameter is than the big of electric machine casing 2 and in the tubular towards front openings Shape, after cap assembly 130 is installed to the rear portion of electric machine casing 2, for main part 131 The internal part (forming portion) formed except each reinforcement 135 and rubber bolt 138 with Outer part, covers multiple vent in a non-contact manner by main part 131 from outside 115.It addition, electric machine casing 2 can also be covered in a non-contact manner by main part 131 Outer peripheral face.At this moment, main part 131 wraps around electric machine casing 2 from multiple vents 115 The outside of outer peripheral face.Do so, for the part beyond described forming portion, except energy really Protect beyond the gap between inner surface and the outer peripheral face of electric machine casing 2 of main part 131, also Can ensure that the gap between the inner surface of main part 131 and the rear surface of electric machine casing 2.Logical Cross these gaps to ensure that and open through the front side of this main part 131 from the outside of main part 131 Mouthful and arrive the vent passages of multiple vent 115.

During it addition, taken off from the rear portion of electric machine casing 2 by cap assembly 130, make each arm 132 Produce elastic deformation and release two engagement pawl 139 and the top of two brush maintaining parts 117 Locking state between periphery, then make cap assembly 130 depart from i.e. from the rear portion of electric machine casing 2 Can.Thus, it is easy to cap assembly 130 is contained on electric machine casing 2 or is detached from.

In above-mentioned water injection type polisher 1, power line 110 is received and on power supply, opens annular again After the switch 23 of handle 4, the driving effect lower main axis at motor M rotates, and is arranged on master Milling tool 24 on axle rotates.It addition, under the driving effect of motor M, fan F Rotate, thus by the air (tempering air) due to cooling motor M from cap assembly 130 The outside of main part 131, flow through the inner surface of this main part 131 and electric machine casing 2 Gap between outer peripheral face or rear surface and import in multiple vent 115.From multiple ventilations Mouth 115 sucks the tempering air warp after making motor M cool off in electric machine casings 2 Multiple air vents 116 are discharged.Operator is keeping main shaft 20 and is being ground what part intersected vertically While state, by the rear surface of hand pressure firmly main part 131 the grinding work that makes rotation Tool 24 props up described surface while moving it and this surface being ground processing.Grinding Adding man-hour, the water supplied from the flexible pipe being connected to connecting portion 127 (with reference to Fig. 7) injects To milling tool 24 or attrition process portion.In the present embodiment, even if when attrition process Operator lives main part 131 by hand pressure, due in the inner surface of main part 131 and multiple ventilation Gap is there is, so multiple vent 115 also will not be plugged between mouth 115.

It addition, when attrition process, situations below occurs sometimes: operator is by electric machine casing 2 Side, rear surface be bearing in remain water be ground on the surface of part by water injection type polish Machine 1 is put on said surface temporarily.Even if it is in this case, multiple logical by covering from outside The cap assembly 130 being provided with gap in air port 115 supports water injection type polisher on said surface 1, it is possible to prevent the water remained on a surface to be attracted to multiple under the suction of fan F The situation of vent 115 occurs.Water so can be prevented to be drawn onto electricity from multiple vents 115 Situation in casing body 2 occurs.It addition, in the present embodiment, water injection type is being polished Machine 1 is placed on when being ground on the surface of part temporarily, can make the entrance (main body of described vent passages The front openings in portion 131) away from side upward, described surface.Accordingly it is also possible to it is anti- Only the water on described surface enters in vent passages.

Further, since cap assembly 130 can be contained on electric machine casing 2 and can be detached from, Even if during so cap assembly 130 damages because scuffing waits, the cover that also can will damage easily Parts 130 take off from electric machine casing 2 and are replaced with new cap assembly 130.

<effect of embodiment 2>

In the present embodiment, even if water injection type polisher 1 being placed on temporarily when attrition process It is ground on the surface of part, owing to covering from outside with cap assembly 130 (main part 131) Multiple vents 115, it is possible to prevent from being injected into described surface from water injection type polisher 1 Water be drawn onto in electric machine casing 2 through multiple vents 115.It addition, also ensure that cover Between inner surface and multiple vent 115 of parts 130 or described inner surface and motor casing Gap between the outer peripheral face of body 2.Therefore can be from the outside of cap assembly 130 through described gap The tempering air of motor M is directed at multiple vent 115.Such that make cap assembly 130 are installed on electric machine casing 2, also described tempering air can be imported electric machine casing 2 In such that it is able to the situation preventing motor M to be burned occurs.

Even if it addition, cap assembly 130 damages, the cap assembly 130 that also can easily will damage Take off from electric machine casing 2 and be replaced with new cap assembly 130.

Further, only the two of cap assembly 130 engagement pawl 139 need to be locked on from electric machine casing 2 The top periphery of two brush maintaining parts 117 that exposes of left and right sides on, just can be easily Cap assembly 130 is arranged on electric machine casing 2 by ground.

It addition, cap assembly 130 is by being sandwiched in the inner surface side of main part 131 rear surface And each rubber bolt 138 between the rear surface of electric machine casing 2 and be bearing in electric machine casing 2 On rear surface.Therefore, it is possible to prevent from producing spacious moving between cap assembly 130 and electric machine casing 2.

Further, via 4 reinforcements 135, cap assembly 130 can be bearing in electric machine casing 2 Outer peripheral face on.It addition, also ensure that each of cap assembly 130 (main part 131) inner surface The gap between part and the outer peripheral face of electric machine casing 2 beyond the forming portion of reinforcement 135. Therefore, be may insure that from the outside of main part 131 to multiple vents 115 by described gap Vent passages.

The present invention is not limited to above-mentioned embodiment, within a range not departing from the gist of the invention, Can suitable changing section structure.The most in the above-described embodiment, cap assembly 130 is permissible It is contained on electric machine casing 2 and can be detached from, but unlike this, it is possible to make cap assembly Form as one with electric machine casing.It addition, in the above-described embodiment, for making cap assembly 130 It is arranged on electric machine casing 2, two engagement pawl 139 of cap assembly 130 are locked on motor On the top periphery of two brush maintaining parts 117 on housing 2, but it is not limited to this.Example As by being located at the engagement pawl of electric machine casing left and right sides and being located on cap assembly This cap assembly can be arranged on electric machine casing the fastening groove chimeric with this engagement pawl.Further, Different from the embodiment described above, it is also possible to be formed electric machine casing 2 and gear by single housing Case 3.

It addition, in the above-described embodiment, it is applicable to AC drive type exemplified with by the present invention The example of water injection type polisher.But it is not limited to this, present disclosure additionally applies for rechargeable water filling The water injection types such as formula polisher, the AC drive type with water structure or rechargeable polishing machine Electric tool.

Claims (17)

1. a Water injection type electric tool, has: disk-like tool, and it is arranged on main shaft, For to be ground part be ground processing, above-mentioned main shaft from for receive dress motor housing forward Highlighting, the rotation of the output shaft of above-mentioned motor passes to above-mentioned main shaft;Protective cover, its peace It is contained on above-mentioned housing, is used for covering above-mentioned disk-like tool, in this Water injection type electric tool, Can be to disk-like tool water filling, it is characterised in that
Whole above-mentioned disk-like tool, covering on of at least the above protective cover is covered by above-mentioned protective cover The upper portion of the upper side of disk-like tool is transparent configuration, and above-mentioned Water injection type electric tool is also There is the water injecting mechanism for carrying out water filling to the inner surface of above-mentioned upper portion,
Described Water injection type electric tool also has: through hole, and it is formed on above-mentioned disk-like tool In the region of the above-mentioned inner surface of above-mentioned upper portion faced by;1st water filling spray-hole, it is formed On main shaft, for above-mentioned through hole water filling.
Water injection type electric tool the most according to claim 1, it is characterised in that
Above-mentioned upper portion is can be arranged in the way of pulling down on the lower section of above-mentioned protective cover.
Water injection type electric tool the most according to claim 1, it is characterised in that
Above-mentioned main shaft is provided with the 2nd water filling spray-hole, the axle at the 2nd water filling spray-hole place Line direction is different from the axis direction at above-mentioned 1st water filling spray-hole place.
Water injection type electric tool the most according to claim 1, it is characterised in that
Above-mentioned main shaft and above-mentioned output shaft configured in parallel.
Water injection type electric tool the most according to claim 1, it is characterised in that
The forming position of above-mentioned 1st water filling spray-hole with can with in the region faced by above-mentioned inner surface Above-mentioned through hole forming position, consistent on the axis direction of above-mentioned main shaft.
Water injection type electric tool the most according to claim 2, it is characterised in that
Above-mentioned upper portion has: shroud member, and it is can be arranged on above-mentioned lower section in the way of pulling down On, for covering the upper side of above-mentioned disk-like tool, transparent strip-shaped members formed;Thoroughly Bright cover, it is arranged in above-mentioned shroud member, for covering the inside region of above-mentioned shroud member.
Water injection type electric tool the most according to claim 6, it is characterised in that
It is provided with the inclined-plane that the center of protective cover tilts obliquely upward on the surface of translucent cover,
Above-mentioned disk-like tool has: bellying, and it in the face of above-mentioned inclined-plane and rearward bloats, Cross section is trapezoidal shape;Connecting shaft, it is located at the upper surface of above-mentioned bellying the most highlightedly On, for being connected with above-mentioned spindle thread, multiple above-mentioned through holes are at the rake of above-mentioned bellying Upper shed, these through holes multiple are along the circumferential direction separated by same on the circumference centered by connecting shaft It is spaced and is formed,
The inclination angle on above-mentioned inclined-plane is identical with the inclination angle of the rake of above-mentioned bellying.
Water injection type electric tool the most according to claim 3, it is characterised in that
Above-mentioned 1st water filling spray-hole is formed on above-mentioned main shaft, facing to above-mentioned through hole and be formed at On the direction intersected vertically with the axis direction of above-mentioned main shaft, above-mentioned 2nd water filling spray-hole is formed On above-mentioned main shaft, it is towards the side, top of this main shaft and is formed at and above-mentioned axis direction phase To on the direction tilted.
Water injection type electric tool the most according to claim 4, it is characterised in that
Also having fan, it is arranged on above-mentioned output shaft, is used for making above-mentioned motor cool down, It is formed with vent, for the cooling that will be produced by said fans on the rear surface of above-mentioned housing Import in above-mentioned housing with air,
Cap assembly is arranged on above-mentioned housing in the following manner: and leave gap between housing and from Outside mask lives in state vent and the outer peripheral face of above-mentioned housing.
Water injection type electric tool the most according to claim 9, it is characterised in that
Above-mentioned cap assembly is can be arranged in the way of pulling down on above-mentioned housing.
11. Water injection type electric tool according to claim 10, it is characterised in that
Above-mentioned cap assembly also has card locking mechanism, can be locked on above-mentioned by above-mentioned cap assembly by it On the above-mentioned outer peripheral face of housing.
12. according to the Water injection type electric tool described in claim 10 or 11, it is characterised in that Elastomer is sandwiched between the inner surface of above-mentioned cap assembly and the above-mentioned rear surface of above-mentioned housing.
13. according to the Water injection type electric tool described in any one of claim 9~11, its It is characterised by,
Being formed with reinforcement on above-mentioned cap assembly inner surface, above-mentioned reinforcement is connected to above-mentioned shell The above-mentioned outer peripheral face of body.
14. Water injection type electric tool according to claim 11, it is characterised in that
Above-mentioned housing is formed as tubular, receives equipped with a pair electricity across above-mentioned motor in above-mentioned housing Brush maintaining part, for keeping the brush of the commutator sliding contact with above-mentioned motor, above-mentioned a pair The top ends of brush maintaining part is exposed from the above-mentioned outer peripheral face of above-mentioned housing,
Above-mentioned cap assembly includes: main part, and it is tubular, and diameter is bigger than above-mentioned electric machine casing And towards above-mentioned electric machine casing one side opening;Arm, its quantity is a pair, from aforementioned body Portion is extended to above-mentioned electric machine casing side, can produce elastic deformation,
As above-mentioned card locking mechanism, it is provided with at each above-mentioned arm and can be locked on outside above-mentioned top ends Engagement pawl on surface.
15. Water injection type electric tool according to claim 13, it is characterised in that
Being formed with multiple above-mentioned reinforcement on the inner surface of the main part of above-mentioned cap assembly, this adds Strong muscle is separated by same interval in the circumferential direction of this main part.
16. Water injection type electric tool according to claim 15, it is characterised in that
Multiple above-mentioned rear table to above-mentioned housing it is formed with in the inner surface side in aforementioned body portion The cylindric teat that face extends, this teat is between adjacent reinforcement, each above-mentioned prominent Being respectively equipped with cylindrical in portion, elastomer is inserted into the state highlighted from each above-mentioned teat In above-mentioned cylindrical.
17. Water injection type electric tool according to claim 16, it is characterised in that
Above-mentioned elastomer is rubber bolt.
CN201310233841.2A 2012-06-15 2013-06-13 Water injection type electric tool CN103506958B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2012136102A JP2014000616A (en) 2012-06-15 2012-06-15 Water injection type power tool
JP2012-136102 2012-06-15
JP2012-136103 2012-06-15
JP2012136103A JP2014000617A (en) 2012-06-15 2012-06-15 Water injection type power tool

Publications (2)

Publication Number Publication Date
CN103506958A CN103506958A (en) 2014-01-15
CN103506958B true CN103506958B (en) 2016-10-05

Family

ID=49890666

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310233841.2A CN103506958B (en) 2012-06-15 2013-06-13 Water injection type electric tool

Country Status (2)

Country Link
CN (1) CN103506958B (en)
BR (1) BR102013015013A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105598840B (en) * 2015-12-28 2018-01-16 宁波鑫晟工具有限公司 A kind of electric polishing machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1437304A (en) * 1973-07-14 1976-05-26 Metabowerke Kg Motordriven portable tool with sound-absorbing housing
CN1284419A (en) * 1999-08-16 2001-02-21 罗伯特-博希股份公司 Hand-held electric tool
CN1636680A (en) * 2004-01-08 2005-07-13 株式会社牧田 Power tools
CN101896318A (en) * 2007-12-20 2010-11-24 株式会社牧田 Electric tool
CN102149515A (en) * 2009-01-30 2011-08-10 日立工机株式会社 Power tool

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4559177B2 (en) * 2004-09-30 2010-10-06 株式会社マキタ Polishing machine cover and polishing machine
JP2012035387A (en) * 2010-08-10 2012-02-23 Makita Corp Water injection attachment for electric power tool, and electric power tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1437304A (en) * 1973-07-14 1976-05-26 Metabowerke Kg Motordriven portable tool with sound-absorbing housing
CN1284419A (en) * 1999-08-16 2001-02-21 罗伯特-博希股份公司 Hand-held electric tool
CN1636680A (en) * 2004-01-08 2005-07-13 株式会社牧田 Power tools
CN101896318A (en) * 2007-12-20 2010-11-24 株式会社牧田 Electric tool
CN102149515A (en) * 2009-01-30 2011-08-10 日立工机株式会社 Power tool

Also Published As

Publication number Publication date
CN103506958A (en) 2014-01-15
BR102013015013A2 (en) 2015-06-23

Similar Documents

Publication Publication Date Title
JP5093464B2 (en) Portable cutting machine
KR950012890B1 (en) Plate glass grinding device
RU2590426C2 (en) Processing machine, primarily electrical machine
US8684796B2 (en) Floor grinding and polishing machine
US8333536B2 (en) Multi-spindle machining machine
CN100469525C (en) Chamfering tool easily adjuting the depth of cut
CN103328144A (en) Cutting and dust or slurry collecting assembly and working machine
JP2012005948A (en) Cleaning device for adsorption nozzle
CN107052978A (en) A kind of environmental-friendly and efficient steel tube surface polishing grinding device
EP1939392B1 (en) Water treatment pad for core drill
CN100457395C (en) Dust collecting container for a hand electric machine-tool
CN1449891A (en) Apparatus for processing lens
CN103878673B (en) Fully-automatic polishing machine
DE102016109011A1 (en) Machine tool with cleaning unit
KR101336539B1 (en) blade grinding system
US7854649B2 (en) Hand-held power tool, in particular a sander
CN104044059B (en) Intelligence automatic metallic phase polishing machine
US20060240753A1 (en) Abrasive cutting device
KR20120008717A (en) Turning and tilting table for workpiece processing
TWI602227B (en) Dresser
KR20050008575A (en) the bur excluding equipment of a circler plate
CN206357058U (en) A kind of floating sanding apparatus
TW200922743A (en) Grinding wheel fitting mechanism for grinding device, has grinding element whose end surfaces protrudes around distance from other surfaces of other element in state, where disks are attached at fitting surfaces in separated manner
KR20130011945A (en) Machining method
US9278427B2 (en) Dust collection cover of disk grinder

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant