CN106926202A - Dust suction subassembly and the electric tool with the dust suction subassembly - Google Patents
Dust suction subassembly and the electric tool with the dust suction subassembly Download PDFInfo
- Publication number
- CN106926202A CN106926202A CN201511020286.0A CN201511020286A CN106926202A CN 106926202 A CN106926202 A CN 106926202A CN 201511020286 A CN201511020286 A CN 201511020286A CN 106926202 A CN106926202 A CN 106926202A
- Authority
- CN
- China
- Prior art keywords
- dust suction
- air
- cyclonic chamber
- suction subassembly
- fan
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety 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
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
- B24B55/102—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with rotating tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
Abstract
A kind of dust suction subassembly, can be mounted on the driver element with body and rotating output shaft, and the dust suction subassembly includes：Housing, can be mounted on the body and with for collecting cyclonic chamber that the suction port of dust laden air communicates with the suction port and one end communicates and air-out passage that the other end is in communication with the outside with the cyclonic chamber；Fan, it is placed in the air-out passage of the housing and is formed with the rotation axle portion that can be driven by the rotating output shaft, the fan forms suction airstream when rotating at suction port, and formed in the cyclonic chamber around it is described rotation axle portion rotation simultaneously produce be axially moved spiral air flow, and from the cyclonic chamber into air-out passage and be ultimately discharged into the external world disengage air-flow.The whirlwind dust suction annex of the removable assembling, using existing resource for dust suction subassembly provides power, with removable design and preferably pick-up performance.
Description
Technical field
The application is related to a kind of dust suction subassembly and the electric tool with the dust suction subassembly.
Background technology
Electric tool, generally has motor and rotating output shaft, in the rotating output shaft over-assemble not
After same rotary attachment, realization is such as cut, and is carved, polishing, the various functions such as polishing.
But, when due to stating function in realization, generally along with the removal of material, thus it is easy to
Produce the health of dust and fragment, influence operating environment and operator.As environmental protection and self-protection are anticipated
The enhancing of knowledge, Power Tools Industries occur in that the increasing design for collecting dust and fragment,
But, these additionally purchase a dust catcher the need for being designed with, and have plenty of Integral design, but exist
The problems such as complex structure or big volume, be still significantly improved space regarding to the issue above.
Accordingly, it would be desirable to dust suction subassembly and the electric tool with the dust suction subassembly are improved, it is existing to overcome
There is defect present in technology.
The content of the invention
The application aims to provide a kind of dust suction subassembly and the electric tool with the dust suction subassembly, and it has
Can the conveniently design of dismounting and preferably pick-up performance.
Therefore, the one side of the application provides a kind of dust suction subassembly, can be mounted on body
On the driver element of rotating output shaft, the dust suction subassembly includes：Housing, can be mounted on described
Body portion and have cyclonic chamber that the suction port for collecting dust laden air communicates with the suction port and
One end communicates and air-out passage that the other end is in communication with the outside with the cyclonic chamber；Fan, is placed in described
The air-out passage of housing is interior and is formed with the rotation axle portion that can be driven by the rotating output shaft, the wind
Suction airstream is formed at suction port during fan rotation, and is formed around the rotation in the cyclonic chamber
Axle portion rotation produces the spiral air flow being axially moved simultaneously, and enters air-out passage from the cyclonic chamber
And be ultimately discharged into the external world disengage air-flow.
According to a kind of embodiments possible, the cyclonic chamber include end wall be connected with end wall outer tube wall,
The internal ring wall outer rim being connected with outer tube wall and the inner cylinder extended to end wall side from the internal ring wall inner edge
Wall, the opening of the cyclonic chamber connection suction port is located on the outer tube wall of internal ring wall side.
According to a kind of embodiments possible, the end wall and internal ring wall is rounded or annular, end wall
External diameter be not more than the external diameter of the internal ring wall, the outer tube wall is in cone barrel.
According to a kind of embodiments possible, the side of the internal ring wall is the cyclonic chamber, the fan
The surface of revolution is abreast placed in the opposite side of the internal ring wall, where the inner tube wall inner side and the fan
Chamber be collectively forming the air-out passage.
According to a kind of embodiments possible, the rotation axle portion of the fan is placed in the inner tube wall inner side,
Being additionally provided with the end wall makes the rotation axle portion annex exposed in the axial direction perforate.
According to a kind of embodiments possible, the peritreme of the annex perforation extends to be formed to internal ring wall side
There is sleeve.
According to a kind of embodiments possible, the sleeve is extended to inside inner tube wall in the axial direction.
The application additionally provides a kind of electric tool including above-mentioned dust suction subassembly on the other hand at it.
According to a kind of embodiments possible, the cyclonic chamber and fan have and the rotating output shaft
The axis of coincidence.
According to a kind of embodiments possible, the dust suction subassembly includes being assembled to successively the cooperation of body
Portion, the outlet section for housing the fan and discharge air, the cyclonic separation portion with the cyclonic chamber with
And the suction port positioned at the dust suction subassembly foremost.
According to a kind of embodiments possible, the electric tool also includes being assembled in the rotating output shaft
On rotary attachment, the cyclonic chamber is located on the bearing of trend of the rotating output shaft and is provided with and supplies institute
State the annex perforation that rotary attachment is passed through.
According to a kind of embodiments possible, the spiral air flow is formed with the axial direction away from rotating output shaft
Motion, the peritreme of annex perforation is formed with sleeve to cyclonic chamber inside is axially extending.
According to the application, the whirlwind dust suction annex of the assembling, using existing resource for dust suction subassembly is carried
For power, with removable design and preferably pick-up performance.
Brief description of the drawings
The application will be more completely understood according to specific embodiment and with reference to accompanying drawing and recognized below
Above and other aspect, in the accompanying drawings：
Fig. 1 is that a kind of group of the embodiments possible according to the application is provided with the electric tool of dust suction subassembly
Three-dimensional combination figure；
Fig. 2 is partly to remove the partial schematic diagram after dust suction subassembly housing in Fig. 1；
Fig. 3 is the schematic cross-sectional view of dust suction subassembly part in Fig. 1；
Fig. 4 be in Fig. 1 dust suction subassembly housing by cyclonic chamber opening schematic cross-section；
Fig. 5 is that the group of another embodiments possible according to the application is provided with the electronic work of dust suction subassembly
The three-dimensional combination figure of tool.
Specific embodiment
Will now be described with reference to the drawings some implementation methods of the application.
Refer to shown in Fig. 1, dust suction of the present invention on a kind of electric tool 200 and assembling thereon
Annex 100.The electric tool 200 includes thering is body 201 and rotating output shaft (not shown)
Driver element, after the different rotary attachment 300 of rotating output shaft over-assemble, such as drill bit, bistrique
Deng, it is possible to achieve different processing purposes.
Please refer to shown in Fig. 2, the dust suction subassembly 100, including housing 101, institute can be mounted on
State body 201 and with the suction port 1011 and the suction port 1011 for collecting dust laden air
The cyclonic chamber 1012 and one end for communicating are communicated with the cyclonic chamber 1012 and the other end is in communication with the outside
Air-out passage 1013；Fan 102, is placed in the air-out passage 1013 of the housing 101 and is formed
There is the rotation axle portion 1021 that can be driven by the rotating output shaft, in dust suction when the fan 102 rotates
Suction airstream A is formed at mouth 1011, and is formed around the rotary shaft in the cyclonic chamber 1012
The rotation of portion 1021 produces the spiral air flow B being axially moved simultaneously, and enters from the cyclonic chamber 1012
Enter air-out passage 1013 and be ultimately discharged into the external world disengage air-flow C.The assemblnig whirlwind dust suction is attached
Part 100, with more intensive design and more preferably pick-up performance.Seen in structure, the dust suction group
Part 100 includes being assembled to the auxiliary section of body 201 in the axial direction, houses the fan 102 successively
And the discharge air-out chamber of air, the cyclonic separation portion with the cyclonic chamber 1012 and positioned at the suction
The suction port 1011 foremost of dirt component 100.The fan 102 is centrifugal fan, the air-out chamber
Some air outlets 1014 are provided with the periphery of centrifugal fan.
Described disengaging when air-flow C enters air-out passage 1013 from cyclonic chamber 1012 has and the spiral
Air-flow B opposite axial movement direction.Opposite axial movement direction can preferably assist dust and
Air is separated.It is appreciated that due to just entering air-out passage 1013 from spiral air flow B, no
There is circumferential flowing with can avoiding.The cyclonic chamber 1012 and fan 102 have and the rotation
Export the axis of overlapping of axles.Further be superimposed agent structure in the axial direction by this design, it is to avoid
The redundancy of structure and numerous and diverse.The fan 102 also includes elasticity or is otherwise retained on the rotation
The shaft sleeve part 103 on shaft is transferred, thereby realizes that fan 102 follows rotating output shaft to rotate.
Please in conjunction with shown in Fig. 3, the cyclonic chamber 1012 includes end wall 1012a and end wall 1012a
Internal ring wall 1012c outer rims that connected outer tube wall 1012b is connected with outer tube wall 1012b and from institute
State the inner tube wall 1012d that internal ring wall 1012c inner edges extend to end wall 1012a sides, the cyclonic chamber
The opening 1012e of 1012 connection suction ports 1011 is located at the outer tube wall near internal ring wall 1012c sides
On 1012b.The end wall 1012a and internal ring wall 1012c are in annular, the external diameter of end wall 1012a
Less than the external diameter of the internal ring wall 1012c, the outer tube wall 1012b is in cone barrel, so that further
Beneficial to the polymerization of whirlwind.The inner tube wall 1012d in cone barrel and with the outer tube wall 1012b
Consistent open direction, the cone angle of the cone angle more than the inner tube wall 1012d of the outer tube wall 1012b.
Certainly, it will be apparent to those skilled in the art that the external diameter of end wall 1012a is less than the internal ring wall 1012c
External diameter when also can be achieved on.The outside of the inner tube wall 1012d is cyclonic chamber 1012, inner side
It is air-out passage 1013.The side of the internal ring wall 1012c is the cyclonic chamber 1012, the fan
102 surface of revolution is abreast placed in the opposite side of the internal ring wall 1012c, the inner tube wall 1012d
Chamber where inner side and the fan 102 is collectively forming the air-out passage 1013.The fan 102
Rotation axle portion 1021 be placed in inner tube wall 1012d inner side, being additionally provided with the end wall 1012a makes
The rotation axle portion 1021 annex perforation 1012f exposed in the axial direction.The rotary attachment 300,
Such as drill bit or bistrique, are mounted on rotating output shaft and with being inserted in rotating output shaft middle part
Axis hole in and through the annex perforate 1012f bar portion and the working head away from the bar portion
3001, the suction port 1011 is opened towards the working head 3001 of the rotary attachment 300.
Below a kind of specific embodiment dust suction subassembly 100 of the invention is introduced mainly in combination with Fig. 2 to Fig. 4
The course of work：Electric tool starts, and rotating output shaft is rotated annex 300 and dust suction subassembly 100
Fan 102 rotate, the suction port 1011 towards working head 3001 processes working head 3001
The dust laden air suction of generation, forms the suction airstream A；After dust laden air enters cyclonic chamber 1012,
Follow spiral air flow B to move together, severe is got rid of by centrifugal force more than dust granules of air etc. and send simultaneously
It is maintained in the outer most edge side wall of cyclonic chamber 1012, outer most edge side wall described in the present embodiment is end wall
Near 1012a, the end wall 1012a sides of the cyclonic chamber 1012 are the concentration zones of dust after cyclonic separation
Domain；Pure air after separation follows and disengages air-flow C and be discharged to the external world through passing through fan 102.It is described attached
The peritreme of part perforation 1012f extends to be formed with to internal ring wall 1012c sides protects cylinder 1012g, to prevent
The dust for concentrating on end wall 1012a spills.It is preferred that the protection cylinder 1012g is in the axial direction
Extend to inside inner tube wall 1012d, further prevent spilling for dust.We can further be seen that this
Cyclone region in embodiment is located at the upstream of fan 102, thus can avoid possible destruction
Potential damage of the property particle to fan.
It can be seen that, in the above-described embodiments, the rotary attachment 300 is located at ring-type suction port 1011
Axial location on, the housing 101 is additionally provided with and the dust laden air is directed into from suction port 1011
The lead-in cavity 1014 of opening 1012e positions, the cyclonic chamber 1012 is near internal ring wall 1012c sides
Outer tube wall 1012b be provided with two opening 1012e；Certainly, in some other embodiment, example
Second embodiment dust suction subassembly 100 ' as shown in Figure 5, the suction port 1011 ' can also directly from
Opening is drawn, and extends forwardly into the position closer to working head 3001 ' with tubular form.Additionally,
Above-described embodiment is the situation that dust suction subassembly works asynchronously together with rotary attachment, in some other implementation
In example, it is also possible to independent to realize dust-absorbing function using dust suction subassembly, now only need in the dust suction group
One is set on part and removably close the block (not shown) of the perforation 1012f, or also may be used
Directly to set housing (the end wall 1012a of this one closure designs be in annular) of the end wall without perforation,
Used as independent dust suction subassembly；Furthermore, in the above-described embodiments, the centrifugal fan 102
The surface of revolution is abreast placed in the opposite side of the internal ring wall 1012c, in some other embodiment, wind
Fan 102 can also be arranged at the inner side of inner tube wall 1012d, now, need to only be replaced by fan form
Aerofoil fan.
Although describing the application herein with reference to specific embodiment, scope of the present application is not
It is confined to shown details.In the case of the general principle without departing from the application, can be thin for these
Section makes various modifications.
Claims (12)
1. a kind of dust suction subassembly (100), can be mounted on the driving with body and rotating output shaft
On unit, it is characterised in that：The dust suction subassembly (100) includes：
Housing (101), can be mounted on the body and with the suction port for collecting dust laden air
(1011) cyclonic chamber (1012) that is communicated with the suction port (1011) and one end with it is described
Cyclonic chamber (1012) is communicated and air-out passage (1013) that the other end is in communication with the outside；
Fan (102), is placed in the air-out passage (1013) of the housing (101) and is formed with
The rotation axle portion (1021) that can be driven by the rotating output shaft, when the fan (102) rotates
Suction port (1011) place forms suction airstream (A), and formation is enclosed in the cyclonic chamber (1012)
Produce the spiral air flow (B) being axially moved simultaneously around rotation axle portion (1021) rotation, and
From the cyclonic chamber (1012) enter air-out passage (1013) and be ultimately discharged into the external world disengage air-flow
(C)。
2. dust suction subassembly (100) as claimed in claim 1, it is characterised in that：The cyclonic chamber
The outer tube wall (1012b) that (1012) is connected with end wall (1012a) including end wall (1012a),
Internal ring wall (1012c) outer rim that is connected with outer tube wall (1012b) and from the internal ring wall (1012c)
The inner tube wall (1012d) that inner edge extends to end wall (1012a) side, the cyclonic chamber (1012)
The opening (1012e) of connection suction port (1011) is located near the outer of internal ring wall (1012c) side
On barrel (1012b).
3. dust suction subassembly (100) as claimed in claim 2, it is characterised in that：The end wall (1012a)
Or annular rounded with internal ring wall (1012c), the external diameter of end wall (1012a) is not more than described
The external diameter of internal ring wall (1012c), the outer tube wall (1012b) is in cone barrel.
4. dust suction subassembly (100) as claimed in claim 2, it is characterised in that：The internal ring wall
The side of (1012c) is the cyclonic chamber (1012), and fan (102) surface of revolution is abreast
The opposite side for being placed in the internal ring wall (1012c) or the inner side for being placed in inner tube wall (1012d), it is described
Chamber where inner tube wall (1012d) inner side and the fan (102) is collectively forming the air-out passage
(1013)。
5. dust suction subassembly (100) as claimed in claim 2, it is characterised in that：The fan (102)
Rotation axle portion (1021) be placed in the inner tube wall (1012d) inner side, the end wall (1012a)
On be additionally provided with and make rotation axle portion (1021) exposed annex perforation (1012f) in the axial direction.
6. dust suction subassembly (100) as claimed in claim 5, it is characterised in that：The annex is worn
The peritreme in hole (1012f) is formed with sleeve (1012g) to the extension of internal ring wall (1012c) side.
7. dust suction subassembly (100) as claimed in claim 6, it is characterised in that：The sleeve (1012g)
It is internal that inner tube wall (1012d) is extended in the axial direction.
8. a kind of electric tool, it is characterised in that：The electric tool includes such as claim 1 to 7
Any one of dust suction subassembly (100), the electric tool include have the body and rotation
Transfer the driver element of shaft.
9. electric tool as claimed in claim 8, it is characterised in that：The cyclonic chamber (1012)
And fan (102) is with the axis overlapped with the rotating output shaft.
10. electric tool as claimed in claim 8, it is characterised in that：The dust suction subassembly (100)
Include the auxiliary section for being assembled to body, the air-out for housing the fan (102) and discharge air successively
Portion, the cyclonic separation portion with the cyclonic chamber (1012) and positioned at the dust suction subassembly (100)
Suction port (1011) foremost.
11. electric tool as any one of claim 8-10, it is characterised in that：The electricity
Power driven tools also include the rotary attachment (300) being assembled on the rotating output shaft, the cyclonic chamber
(1012) on the bearing of trend of the rotating output shaft and be provided with for the rotary attachment (300)
Annex perforation (1012f) for passing through.
12. electric tools as claimed in claim 11, it is characterised in that：The spiral air flow (B)
The axial movement away from rotating output shaft is formed with, the peritreme of annex perforation (1012f) is to cyclonic chamber
(1012) inside is axially extending is formed with sleeve (1012g).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511020286.0A CN106926202A (en) | 2015-12-30 | 2015-12-30 | Dust suction subassembly and the electric tool with the dust suction subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511020286.0A CN106926202A (en) | 2015-12-30 | 2015-12-30 | Dust suction subassembly and the electric tool with the dust suction subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106926202A true CN106926202A (en) | 2017-07-07 |
Family
ID=59442265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511020286.0A Pending CN106926202A (en) | 2015-12-30 | 2015-12-30 | Dust suction subassembly and the electric tool with the dust suction subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106926202A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877283A (en) * | 2017-11-10 | 2018-04-06 | 瀛ｅ姜 | It is a kind of from dust-proof wall construction arrangement for grinding |
| CN108312018A (en) * | 2018-03-07 | 2018-07-24 | 浙江亚特电器有限公司 | A kind of hand held electric tool |
| CN115229620A (en) * | 2022-07-20 | 2022-10-25 | 金华市蓝标工具科技有限公司 | Dust absorption lithium electricity straight mill |
| CN115992981A (en) * | 2023-03-22 | 2023-04-21 | 河南迅博机械有限公司 | General air precleaner and dust removal filter assembly |
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| CN2936608Y (en) * | 2006-08-11 | 2007-08-22 | 苏州宝时得电动工具有限公司 | Hand-held electric tool |
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| EP2946887A1 (en) * | 2014-05-20 | 2015-11-25 | Black & Decker Inc. | Particle separation assembly for power tool |
| CN204843868U (en) * | 2015-07-31 | 2015-12-09 | 南京德朔实业有限公司 | Dust collecting device and combination with electric tool thereof |
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| EP1541278A1 (en) * | 2003-12-11 | 2005-06-15 | HILTI Aktiengesellschaft | Cyclone separator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877283A (en) * | 2017-11-10 | 2018-04-06 | 瀛ｅ姜 | It is a kind of from dust-proof wall construction arrangement for grinding |
| CN107877283B (en) * | 2017-11-10 | 2019-04-09 | 宜昌城大建设有限公司 | It is a kind of from dust-proof wall construction arrangement for grinding |
| CN108312018A (en) * | 2018-03-07 | 2018-07-24 | 浙江亚特电器有限公司 | A kind of hand held electric tool |
| CN108312018B (en) * | 2018-03-07 | 2023-10-13 | 浙江亚特电器股份有限公司 | Hand-held electric tool |
| CN115229620A (en) * | 2022-07-20 | 2022-10-25 | 金华市蓝标工具科技有限公司 | Dust absorption lithium electricity straight mill |
| CN115229620B (en) * | 2022-07-20 | 2023-11-03 | 金华市蓝标工具科技有限公司 | Dust collection lithium battery direct grinding machine |
| CN115992981A (en) * | 2023-03-22 | 2023-04-21 | 河南迅博机械有限公司 | General air precleaner and dust removal filter assembly |
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| PB01 | Publication | ||
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Application publication date: 20170707 |