CN106584371A - Dust collecting device for electric tool - Google Patents
Dust collecting device for electric tool Download PDFInfo
- Publication number
- CN106584371A CN106584371A CN201610982031.0A CN201610982031A CN106584371A CN 106584371 A CN106584371 A CN 106584371A CN 201610982031 A CN201610982031 A CN 201610982031A CN 106584371 A CN106584371 A CN 106584371A
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- China
- Prior art keywords
- dust
- box body
- electric tool
- hole
- dust collecting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a dust collecting device for an electric tool, belongs to the technical field of electric tools, and aims at solving the technical problems of poor dust collecting effect and complex structure of an existing dust collecting device. The dust collecting device of the electric tool is characterized in that the electric tool comprises an electric tool body, and a drill bit mounted on the electric tool body. The dust collecting device comprises a box body, a supporting rod assembly, and a bracket mounted on the electric tool body; the box body is mounted on the bracket through the supporting rod assembly; the bracket is in slide fitting with the supporting rod assembly; the box body comprises an upper box body and a lower box body which are detachably connected; an air inlet and a through hole through which the drill bit can pass are formed in the upper box body; a ventilating dust collecting part, an air outlet, and a fan assembly mounted between the dust collecting part and the air outlet are arranged in the lower box body; when the fan assembly works, air flows from the air inlet into the dust collecting part and then is exhausted through the air outlet, so as to collect dust into the dust collecting part.
Description
【Technical field】
The present invention relates to electric tool technical field, more particularly to a kind of dust collect plant of electric tool.
【Background technology】
At present, when being drilled using electric tool such as hammer drill or impact drill, substantial amounts of chip and powder will be produced
Dirt.These chips and dust are spread in the air of surrounding, cause dust content severe overweight, have a strong impact on health and week
Collarette border.
To change this situation, existing some electric tools employ dust suction measure, such as Patent No.
The patent application of CN103182702A, its electric tool are provided with dust arrester, and dust arrester includes guide part and for collecting electronic
The container of the dust that instrument is produced when workpiece is processed, container are arranged on electric tool by guide part, the opening of the container
Work surface of the portion against workpiece, by the dust collection for producing in container, container is provided with the discharge for being cased with dust bag
Mouthful, dust Jing outlets are discharged in dust bag.But the dust collecting effect of such instrument is poor, i.e., when in use, dust
Can some retention container peristome, when operator's mobile electric instrument, dust still can drop from peristome and more
Overflow in air around, affect health and surrounding.
【The content of the invention】
The technical problem to be solved is to overcome the deficiencies in the prior art and provide a kind of collection of electric tool
Dirt device, with dust collecting effect it is good the characteristics of.
Above-mentioned technical problem is solved, the present invention is adopted the following technical scheme that：
A kind of dust collect plant of electric tool, the electric tool include power tool body and are arranged on electric tool sheet
The drill bit of body, the dust collect plant include box body, support bar component and the support on the power tool body, described
Box body is arranged on the support by the support bar component, and the support is slidably matched with the support bar component, described
Box body includes the upper cartridge body and lower box body of releasable connection, and the upper cartridge body is provided with air inlet and for leading to that the drill bit runs through
Hole, is provided with ventilative dust collecting part, air outlet and the fan component between dust collecting part and air outlet, institute in the lower box body
When stating fan component work, the air is flowed in dust collecting part from Jing air inlets and Jing air outlets are discharged, by dust collection
In the dust collecting part.
Further scheme, the fan component include fan, controlling switch and battery, the battery and fan electricity
Connection, the controlling switch are used for the break-make for controlling to electrically connect between the battery and the fan, and the controlling switch is arranged
On the side wall of lower box body.
Further scheme, the lower box body also include base of the releasable connection in the lower box body bottom, the air-out
Mouth is arranged on the base, and the fan is arranged on the base.
Further scheme, the upper cartridge body are provided with guide channel, and the guide channel is in taper wide at the top and narrow at the bottom, institute
The upper end for stating guide channel is connected with the through hole, and the bottom of the guide channel is connected with the dust collecting part.
Further scheme, the upper cartridge body is additionally provided with the guide pipe connected with the guide channel bottom, described to lead
External screw thread is provided with the outside of pipe.
Further scheme, the dust collecting part include dust-collecting box and ventilative dust bag, and dust box wall is provided with ventilation
Hole, the dust bag are sleeved on inside the dust-collecting box.
Further scheme, the lateral wall of the guide channel is provided with the upper positioning bar for extending downwardly, the lower box
Lower positioning bar is provided with vivo, and the edge of the dust bag is installed between the upper positioning bar and the lower positioning bar.
Further scheme, the upper cartridge body are provided with blocked hole, and the lower box body is provided with buckle, the buckle clamping
In the blocked hole.
Further scheme, the through hole include the first through hole being oppositely arranged and the second through hole, and the first through hole sets
The side away from the power tool body in the upper cartridge body is put, the opening size of the air inlet gradually subtracts from top to bottom
It is little, and the bottom of the air inlet connected with the first through hole.
Further scheme, the second through hole are provided with bearing and brush member, and the brush member includes and the axle
The mounting cylinder for holding inner side releasable connection and the hairbrush being circumferentially provided on the inside of the mounting cylinder, the end of the hairbrush and the brill
Head offsets.
Beneficial effects of the present invention：
The dust collect plant of the electric tool of the present invention, electric tool include power tool body and are arranged on electric tool sheet
The drill bit of body, dust collect plant include box body, support bar component and the support on power tool body, and box body is by supporting
Bar assembly is rack-mount, and support is slidably matched with support bar component, and box body includes the upper cartridge body and lower box body of releasable connection,
The through hole that upper cartridge body is provided with air inlet and runs through for drill bit, is provided with ventilative dust collecting part, air outlet and is arranged in lower box body
Fan component between dust collecting part and air outlet, when fan component works, air is from Jing air inlets and flow therethrough to dust collecting part
Interior and Jing air outlets are discharged, by dust collection in dust collecting part.Compared with prior art, the electric tool in the present invention makes
Used time, fan component is opened, fan component work is so as to produce negative pressure, outside air Jing in the presence of pressure reduction enters in lower box body
Air port and through hole are flowed in upper cartridge body, and after flowing through dust collecting part, are discharged from air outlet, and in flow process, air-flow can drive dust
It is flowed in dust collecting part, it is to avoid dust accumulation on through-hole wall can be prevented effectively from Dust Dispersion in atmosphere, improve dust
Dust collecting effect；Further, since upper cartridge body and lower box body releasable connection, therefore when the dust for needing to clear up in dust collecting part, can be by
Lower box body is disassembled, and is poured off dust therein, after the completion of by lower box body be arranged on upper cartridge body on be continuing with, such one
Come, the dust being easy in user's cleaning dust collecting part is simple to operation.
Fan component includes fan, controlling switch and battery, and battery is electrically connected with fan, and controlling switch is used to control battery
The break-make electrically connected between fan, controlling switch are arranged on the side wall of lower box body.It is so designed that, user passes through controlling switch
That is the running status of controlling fan, and simple structure, takes up room less.
Lower box body also includes base of the releasable connection in lower box body bottom, and air outlet is arranged on base, and fan is arranged on
On base.Base and lower box body releasable connection, the dust that can be easy in the fan of user's cleaning in the future.
Upper cartridge body is provided with guide channel, and guide channel is in taper wide at the top and narrow at the bottom, and upper end and the through hole of guide channel connect
Logical, the bottom of guide channel is connected with dust collecting part.The setting of guide channel can be easy to the collection of dust, and make dust easily fall into collection
In dirt portion, dust collecting effect is improve.
Upper cartridge body is additionally provided with the guide pipe connected with guide channel bottom, and external screw thread is provided with the outside of guide pipe.It is so designed that,
When user need not install lower box body, user can be provided with bottle cap on guide pipe, and bottle cap is threadedly coupled to receive with guide pipe
Collection dust.
Dust collecting part includes dust-collecting box and ventilative dust bag, and dust box wall is provided with passage, and dust bag is sleeved on dust
Inside box.When dust bag is flowed through, dust can fall in dust bag air-flow with dust, and air-flow Jing passages are discharged, user
Dust bag is taken out when needing to clear up dust, dust-collecting box need not be dismounted, it is simple to operation.
The lateral wall of guide channel is provided with the upper positioning bar for extending downwardly, and lower positioning bar, dust bag are provided with lower box body
Edge be installed between positioning bar and lower positioning bar.It is so designed that, prevents dust bag mouth from slipping in dust-collecting box.
Upper cartridge body is provided with blocked hole, and lower box body is provided with buckle, and buckle is connected in blocked hole.It is so designed that, structure
Simply, and easy accessibility.
Through hole includes the first through hole being oppositely arranged and the second through hole, and first through hole is arranged on upper cartridge body away from electric tool
The side of body, the opening size of air inlet are gradually reduced from top to bottom, and the bottom of air inlet is connected with first through hole.Air intake
Mouth is tapered, sufficiently high in the bottom wind speed of air inlet, beneficial to drifting dust, particularly beneficial to the dust for blowing away just from drilling out,
Dust collecting effect is improve, sufficiently high wind speed can also cool down drill bit in addition, improve bit life, reduced drill bit and machine is scalded to people
Rate.
Second through hole is provided with bearing and brush member, brush member include the mounting cylinder with releasable connection on the inside of bearing and
The hairbrush being circumferentially provided on the inside of the mounting cylinder, end and the drill bit of hairbrush offset.It is so designed that, does not use in lower box body
When, brush member can prevent dust from leaking from the second through hole, while brush member is arranged on the second through hole by bearing, can subtract
Few hairbrush and the friction of drill bit, extend the service life of hairbrush, brush tube and bearing releasable connection, are easy to change in the future.
The present invention these features and advantage will be detailed in following specific embodiment, accompanying drawing exposure.
【Description of the drawings】
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 be the preferred embodiment of the present invention in be provided with dust collect plant electric tool overall structure diagram；
Fig. 2 is the structural representation of dust collect plant in the preferred embodiment of the present invention；
Fig. 3 is upper cartridge body top view in the preferred embodiment of the present invention；
A-A sectional views of the Fig. 4 for Fig. 3；
Fig. 5 is the axonometric chart of lower box body in the preferred embodiment of the present invention；
Fig. 6 is the half sectional view () of box body in the preferred embodiment of the present invention；
Fig. 7 is the half sectional view (two) of box body in the preferred embodiment of the present invention；
Fig. 8 is the top view of segment set dirt device in the preferred embodiment of the present invention；
B-B sectional views of the Fig. 9 for Fig. 8；
Figure 10 is the axonometric chart of support bar in the preferred embodiment of the present invention；
Figure 11 is the assembling schematic diagram of assist handle, support and jig in the preferred embodiment of the present invention；
C-C sectional views of the Figure 12 for Fig. 8；
Figure 13 is the axonometric chart of brush member in the preferred embodiment of the present invention；
D-D sectional views of the Figure 14 for Fig. 8.
【Specific embodiment】
The technical scheme of the embodiment of the present invention is explained and illustrated with reference to the accompanying drawing of the embodiment of the present invention, but under
It is only the preferred embodiments of the present invention to state embodiment, and not all.Based on the embodiment in embodiment, those skilled in the art
On the premise of creative work is not made, obtained other embodiment, belongs to protection scope of the present invention.
Referring to figs. 1 to shown in 7, the electric tool in the present embodiment includes power tool body 1 and is arranged on electric tool
Drill bit 2 on body 1, is also equipped with dust collect plant on power tool body 1, dust collect plant include box body, support bar component and
Support 3, support 3 are sleeved on power tool body 1, and support bar component is arranged between box body and support 3, support bar component bag
Support bar 4 and the spring 5 being sleeved on support bar 4 are included, the right-hand member of support bar 4 is arranged on support 3 by nut 6, and is supported
Bar 4 is slidably connected with support 3, and the left end of support bar 4 is fixedly mounted on box body.
Box body includes upper cartridge body 7 and lower box body 8, and upper cartridge body 7 is provided with the through hole 70 passed through for drill bit 2, and through hole 70 includes
The first through hole 701 and the second through hole 702 of both sides before and after box body are arranged on, air inlet 71, air inlet on front side of box body, is additionally provided with
71 tops for being arranged on first through hole 701 are simultaneously connected with first through hole 701, and the opening size of air inlet gradually subtracts from top to bottom
It is little, that is, the presentation taper of air inlet 71, the bottom of air inlet 71 is connected with first through hole 701.
It is hollow structure inside upper cartridge body 7, is internally provided with guide channel 72, guide channel 72 is in cone wide at the top and narrow at the bottom
Shape, the upper end of guide channel 72 are connected with through hole 70, and lower box body 8 is provided with ventilative dust collecting part, air outlet 81 and is arranged on collection
Fan component between dirt portion and air outlet 81, fan component include fan 82, controlling switch 83 and battery 84, on lower box body 8
The accommodating chamber for set battery 84 is provided with, cover plate 841 at the opening of accommodating chamber, is provided with, cover plate 841 passes through screw with lower box body 8
Connection, to facilitate user in the future to change battery 84；It is additionally provided with the side wall of lower box body 8 for housing the receiving of controlling switch 83
Groove, fan 82 are electrically connected with battery 84, and controlling switch 83 is connected with wiring board, and controlling switch 83 is used to control fan 82 and battery
The break-make electrically connected between 84, to realize controlling the running status of fan 82.
For the ease of dismounting later, maintenance and cleaning fan 82, the bottom also releasable connection of lower box body 8 has base 85, bottom
Seat 85 passes through buckle or mode connects for screw in the bottom of lower box body 8, fan 82 is fixedly mounted in lower box body 8, air outlet 81
It is arranged on base 85；Additionally, dust collecting part includes dust-collecting box 86 and is sleeved on dust bag 87 ventilative on dust-collecting box 86, this enforcement
Example in ventilative dust bag 87 material have can ventilative impermeable dirt the characteristics of, such as dust bag of non-woven fabrics material, collection
The side wall of dirt box 86 is provided with passage 861, and dust bag of the dust bag 87 for non-woven fabrics material, the bottom of guide channel 72 go deep into
In dust bag 87.
In order to avoid in use, the bag mouth of dust bag 87 is slid in dust-collecting box 86, the collection of dust is affected,
The lateral wall of guide channel 72 is provided with the upper positioning bar 73 for extending downwardly, and is provided with lower positioning bar 88 in lower box body 8, dust bag
Edge is installed between positioning bar 73 and lower positioning bar 88.For more preferable fixed dust bag mouth and dust-collecting box 86, dust-collecting box
86 top edge outward bending forms bending edge, and the top edge at the edge and dust-collecting box 86 of dust bag is installed in 73 He of positioning bar
Between lower positioning bar 88, it is preferred that dust bag 87 is set with and taken out for the ease of user, is had firmly in the edge sewing of dust bag 87
The handle ring of material matter, the diameter with diameter greater than dust-collecting box 86 of handle ring.
After upper cartridge body 7 and lower box body 8 are completed, it is arranged on support 3 by support bar component, user is using electronic
When instrument drills, the leading flank of box body is resisted against on the surface of object to be processed, opens electric tool and fan 82, drill bit 2
Start drilling, the spring 5 on support bar component can now press box body, make box body be close to object to be processed surface all the time, electricity
Power driven tools body 1 drives drill bit 2 and support 3 to push ahead, and makes support 3 along the axial movement of support bar 4, enough to ensure
Drilling depth.Dust is produced in boring procedure, fan 82 makes negative pressure, effect of the outside air in pressure reduction are produced in box body after opening
Under enter in upper cartridge body 7 from air inlet 71 and the second through hole 702, and Jing guide channels 72 are entered in dust bag, due to dust bag
It is ventilative, therefore air flow Jing dust bags and passage 861 flow to air outlet 81, and Jing air outlets 81 are discharged, in the stream of air-flow
During dynamic, air-flow can drive dust to be flowed in dust bag, it is to avoid dust accumulation can be prevented effectively from dust more on through-hole wall
Dissipate in atmosphere, improve the dust collecting effect of dust；Additionally, the fan component structure in the present invention is relatively simple, take up room
Less, cost is relatively low, lightweight；Finally, due to air inlet 71 is taper, therefore, profit sufficiently high in the bottom wind speed of air inlet
In drifting dust, particularly beneficial to the dust for blowing away just from drilling out, dust collecting effect is improve, sufficiently high wind speed also can be cold in addition
But drill bit 2, improve 2 life-span of drill bit, reduce drill bit 2 and scald probability to people.
In order to prevent, on the outside of the air flow direction dust-collecting box 86 with dust, causing the dirty of tray interior, in the present embodiment
Upper positioning bar 73 and lower positioning bar 88 be circular orientation muscle, upper positioning bar 73 and lower positioning bar 88 are tightly connected firmly.In order to
Ensure that air-flow is all discharged from air outlet 81, it is to avoid which flows to other positions in box body, also sets on the base 85 in the present invention
There is the block reinforcement 851 of annular, block reinforcement 851 is connected, finally, the top cover of upper cartridge body 7 and upper box with the toroidal shell sealed bottom of fan
7 body of body is tightly connected.
Additionally, in order to ensure all to be resisted against on object to be processed surface on front side of box body, before the upper cartridge body 7 of the present invention
Side is additionally provided with cushion, such as rubber blanket, silicagel pad etc., to reduce object to be processed uneven surface leakage dirt phenomenon and reduce box body
Damage finishing wall.
The dust in dust bag 87 is toppled over for the ease of user, 8 releasable connection of upper cartridge body 7 and lower box body in the present invention,
Specifically, upper cartridge body 7 is provided with blocked hole 74, and lower box body is provided with buckle 89, and buckle 89 is connected in blocked hole 74, so sets
Meter, simple structure, and easy accessibility.Certainly, in other embodiments of the invention, those skilled in the art can also adopt screw
The modes such as connection, bonding, which is within the scope of the present invention.
Additionally, the upper cartridge body 7 in the present invention is additionally provided with the guide pipe 75 connected with 72 bottom of guide channel, outside guide pipe 75
Side is provided with external screw thread, and now user can dismantle lower box body 8, using the bottle cap closure guide pipe 75 matched with guide pipe external screw thread
Outlet, now dust accumulate in the guide channel 72 of upper cartridge body, with rear opening lid, dust is cleaned out.Certainly,
Skilled person can also on guide pipe 75 colligation dust bag or suit balloon etc., be also capable of achieving dust collecting effect.
As shown in Fig. 1, Fig. 8, Fig. 9 and Figure 10, the left end of the support bar component of the present embodiment is locked on upper cartridge body 7, on
It is additionally provided with box body 7 for releasing the button assembly 9 of support bar component lock-out state, button assembly 9 includes button 90, securing rod
91 and elastic component 92,92 preferred spring of elastic component, spring are sleeved on securing rod 91.Upper cartridge body 7 is provided with installing hole 76, locking
Bar 91 is assemblied in installing hole 76, and the bottom of securing rod 91 includes the boss 910 for extending radially outward, and 76 inwall of installing hole sets
The upper end for having the limiting stand 760 for extending radially inwardly, securing rod 91 is located above limiting stand 760, and boss 910 is located at limiting stand
Below 760, pressure mounting of the spring between limiting stand 760 and button 90, in order to prevent button 90 from departing from securing rod 91 and be easy to dismounting,
The button 90 of the present embodiment is connected with the threaded upper ends of securing rod 91, and certainly, those skilled in the art can also adopt back-off card
The mode for connecing realizes the tight fit of button and securing rod, will not be described in detail herein.
The left end of support bar 4 is provided with groove 40, and upper cartridge body 7 is provided with hole, and the left end of support bar is inserted in hole, button groups
When part 9 is in original state, 910 part of boss on securing rod 91 is located in groove 40, is moved with the axial direction for limiting support bar 4
It is dynamic, thread segment 41 is additionally provided with the right-hand member of support bar, thread segment 41 is connected with nut 6 through after support 3, in order to prevent nut 6
Friction is produced between support 3 and prevents support bar 4 from loosening in vibration, cushion is also equipped between support 3 and nut 6
Circle, 6 overall dimensions of nut are little, are moved rearwards by beneficial to 4 opposite brackets 3 of support bar, are difficult to encounter power tool body 1.Due to bullet
Spring 5 is fitted between upper cartridge body 7 and support 3, in order to prevent that 7 table of frictionally damage upper cartridge body is produced between spring 5 and upper cartridge body 7
Face, is additionally provided with elastic washer between spring 5 and upper cartridge body 7.
When needing support bar component is disassembled from upper cartridge body 7, press down on button 90, now boss 910 to
Lower motion, and depart from groove 40, support bar 4 can be extracted out from hole, completed dismounting, during installation, pressed down on button 90, now convex
Platform 910 is moved downward, and support bar 4 is inserted in hole, release button 90, and under the rebound effect of spring, boss 910 is moved upwards
And be located in groove 40, to prevent support bar 4 from deviating from.
At least one flat position 42 is provided with the outside of support bar 4, such as 1,2,3 etc., the support in the present embodiment
Bar is provided with 1 flat position 42, and its cross section is presented D-shaped, and the hole that support 3 is slidably matched with support bar 4 is D-shaped, is prevented in electricity with this
During power driven tools use, support bar 4 rotates.
As shown in figure 11, for the ease of user operation, the dust collect plant of the present embodiment also includes assist handle 10, support 3
It is arranged on assist handle 10 by bolt 11, during use, user can grasp assist handle 10, to improve the convenience of operation
And the accuracy of drilling.
In addition, as shown in Fig. 2, Fig. 8 and Figure 12, on the support 3 in the present embodiment, jig 13, upper cartridge body are also equipped with
7 are provided with the pilot hole 77 coordinated with 13 gap of jig, and rear end and 3 gap of support of jig 13 coordinate, and support 3 is locked by bolt 11
It is tight on assist handle 10 after, the lower surface of its bolt head is pressed on jig 13 on support 3, to prevent which from occurring axially to alter
Dynamic, the front end of jig 13 is inserted in pilot hole 77, and can be moved back and forth in pilot hole 77.During use, user adjusts jig
The distance between 13 front ends and 7 leading flank of upper cartridge body so as to deep equality to be drilled, and the front end face of drill bit 2 and upper box
7 leading flank of body maintains an equal level, and when drilling depth reaches, now the front end of jig 13 is resisted against the surface of object to be processed, and support 3 stops
Only move, i.e., drill bit 2 cannot be pushed ahead, point out user to reach working depth, it is to avoid user's drilling is too deep.
Certainly, in other embodiments of the invention, support bar can be set to the depth gauge for indicating drill bit working depth, use
Family judges the working depth of drill bit by the displacement of observation support.
As shown in Fig. 2 nut 6 is provided with inner hexagonal hole 61, jig 13 is the hexagonal prism matched with inner hexagonal hole 61,
When needing to dismount support bar 4, in the insertion inner hexagonal hole 61 of jig 13, nut 6 is disassembled from support bar 4, during installation,
Can also use jig 13 by nut on support bar 4, it is without the need for user by other die nuts, simple to operation, lead to
Strong with property, after support bar 4 is dismantled, user can be arranged on nut 6 and pad on support bar 4, to prevent from losing.Certainly, originally
Art personnel can also adopt barred body dismounting nut of other diameters less than inner hexagonal hole, and it is preferred real which can reach this practicality
The basic effect of example is applied, also within the scope of the present invention.
In addition, diameter of the point diameter of jig 13 less than drill bit 2, user can be logical through on box body by the front end of jig 13
Hole 70 is simultaneously stretched in drilling, the dust in drilling is clawed, dust is fallen in dust bag 87.
In sum, for the ease of packing and transporting, dust collect plant dismounting can will can be several in the present invention by user
Part, including upper cartridge body 7, lower box body 8, support bar 4, spring 5, jig 13, support 3, handle 10 etc., to reduce packaging volume,
And also allow for user's assembling.
As shown in Figure 13 to 14, on second through hole 702 of the present embodiment, bearing 14 and brush member, hairbrush group are also equipped with
Part includes mounting cylinder 15 and is arranged on the hairbrush 16 of 15 inner circumferential side front end of mounting cylinder, and bearing 14 is ball bearing, in the second through hole 702
Wall is provided with limited step 703, and screw is limited to the outer ring of bearing 14 between limited step 703 and screw head, with fixation
Bearing, mounting cylinder 15 are arranged on the inner ring of bearing 14, and the inner ring interference fit with bearing 14, afterbody and the installation of hairbrush 16
The inwall of cylinder 15 is fixedly connected, and end is offseted with drill bit 2, and the groove of drill bit 2 is filled and led up, and blocks dust is leaked from there.When
When not using lower box body 8, when drill bit 2 rotates, the grooved belt electric brush 16 on drill bit rotates, and ball bearing inner race is in the footpath of hairbrush 16
Rotate to power effect is lower, as the fltting speed in 2 later stage of drill bit is slower, therefore hairbrush 16 is almost relative to the groove on drill bit 2
Geo-stationary, in brush member rotation, dust encounters hairbrush 16, dust gear envelope can be gone back because of the rotation of hairbrush 16, rise
Do not leak effect to dust.
For the ease of the dismounting of later stage mounting cylinder 15, the rearward end outer wall of the mounting cylinder 15 of the present embodiment is provided with positioning table
Rank 151, positioning step 151 are offseted with the inner ring rear end face of bearing 14, are so designed that, are also allowed for the positioning of mounting cylinder 15, are prevented
There is axial float in which.In addition, in order to avoid dust enters the rotation that 14 inner ring of bearing is affected inside bearing 14, in bearing 14
Front side is welded with dustproof gasket 17, in case dirt powder dirt is entered in bearing 14.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and is familiar with
The those skilled in the art should be understood that the present invention includes but is not limited to accompanying drawing and interior described in specific embodiment above
Hold.The modification of any function and structure principle without departing from the present invention is intended to be included in the scope of claims.
Claims (10)
1. a kind of dust collect plant of electric tool, the electric tool include power tool body and are arranged on power tool body
Drill bit, the dust collect plant includes box body, support bar component and the support on the power tool body, the box
Body is arranged on the support by the support bar component, and the support is slidably matched with the support bar component, its feature
It is that the box body includes the upper cartridge body and lower box body of releasable connection, the upper cartridge body is provided with air inlet and for the drill bit
The through hole for running through, is provided with ventilative dust collecting part, air outlet and the wind between dust collecting part and air outlet in the lower box body
Fan component, when the fan component works, the air is flowed in dust collecting part from Jing air inlets and Jing air outlets are discharged, will
Dust collection is in the dust collecting part.
2. the dust collect plant of electric tool according to claim 1, it is characterised in that the fan component include fan,
Controlling switch and battery, the battery are electrically connected with the fan, and the controlling switch is used to control the battery with the wind
The break-make electrically connected between fan, the controlling switch are arranged on the side wall of lower box body.
3. the dust collect plant of electric tool according to claim 1, it is characterised in that the lower box body also includes removable company
The base of the lower box body bottom is connected on, the air outlet is arranged on the base, the fan is arranged on the base.
4. the dust collect plant of electric tool according to claim 1, it is characterised in that it is logical that the upper cartridge body is provided with guiding
Road, in taper wide at the top and narrow at the bottom, the upper end of the guide channel is connected the guide channel with the through hole, the guide channel
Bottom connect with the dust collecting part.
5. the dust collect plant of electric tool according to claim 4, it is characterised in that the upper cartridge body be additionally provided with it is described
The guide pipe of guide channel bottom connection, is provided with external screw thread on the outside of the guide pipe.
6. the dust collect plant of electric tool according to claim 4, it is characterised in that the dust collecting part include dust-collecting box and
Ventilative dust bag, dust box wall are provided with passage, and the dust bag is sleeved on inside the dust-collecting box.
7. the dust collect plant of electric tool according to claim 5, it is characterised in that on the lateral wall of the guide channel
The upper positioning bar for extending downwardly is provided with, lower positioning bar in the lower box body, is provided with, the edge of the dust bag is installed on described
Between positioning bar and the lower positioning bar.
8. the dust collect plant of electric tool according to claim 1, it is characterised in that the upper cartridge body is provided with clamping
Hole, the lower box body are provided with buckle, and the buckle is connected in the blocked hole.
9. the dust collect plant of electric tool according to claim 1, it is characterised in that the through hole includes what is be oppositely arranged
First through hole and the second through hole, the first through hole are arranged on side of the upper cartridge body away from the power tool body, institute
The opening size for stating air inlet is gradually reduced from top to bottom, and the bottom of the air inlet is connected with the first through hole.
10. the dust collect plant of electric tool according to claim 9, it is characterised in that second through hole is provided with axle
Hold and brush member, the brush member includes and the mounting cylinder of releasable connection on the inside of the bearing and is circumferentially provided on the peace
Hairbrush on the inside of fitted tube, the end of the hairbrush are offseted with the drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110449626A (en) * | 2019-07-31 | 2019-11-15 | 中车青岛四方机车车辆股份有限公司 | A kind of suction drilling cuttings device and air drill |
| CN112894564A (en) * | 2019-12-03 | 2021-06-04 | 南京德朔实业有限公司 | Grinding type electric tool |
| CN113059216A (en) * | 2021-04-02 | 2021-07-02 | 河北岳如信息科技有限公司 | A chip-proof and environmentally friendly electric drill |
| CN114043580A (en) * | 2021-12-13 | 2022-02-15 | 盐城鼎恒机械有限公司 | Scraping mechanism of plate scraping machine convenient for collecting waste materials |
| US11419466B2 (en) | 2020-03-25 | 2022-08-23 | Milwaukee Electric Tool Corporation | Dust collector assembly |
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Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: Jiaxing City, Zhejiang province 314100 Nanhu District Yu Xin Zhen Industrial Zone North Water Road No. 1 Applicant before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |
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