CN108247540A - Dust collect plant and its combination with power tool - Google Patents
Dust collect plant and its combination with power tool Download PDFInfo
- Publication number
- CN108247540A CN108247540A CN201611241402.6A CN201611241402A CN108247540A CN 108247540 A CN108247540 A CN 108247540A CN 201611241402 A CN201611241402 A CN 201611241402A CN 108247540 A CN108247540 A CN 108247540A
- Authority
- CN
- China
- Prior art keywords
- dust
- straight line
- blast pipe
- collecting box
- flow
- 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.)
- Granted
Links
- 239000000428 dust Substances 0.000 title claims abstract description 52
- 241000785686 Sander Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 206010022114 Injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000903 blocking Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
A kind of combination the invention discloses dust collect plant and its with power tool, wherein, dust collect plant includes：Housing and filter element, wherein, housing includes at least one air stream outlet；Housing further includes：Enter the blast pipe of housing and the dust-collecting box of one end for being connected to blast pipe along first straight line direction for being oriented to air-flow；Wherein, the other end of the blast pipe far from dust-collecting box forms air flow inlet, and filter element is set between air flow inlet and air stream outlet；The junction of blast pipe and dust-collecting box is also formed with：Wind direction transformational structure, wind direction transformational structure are used to make to flow into dust-collecting box again from after the airflow-reversing flowed along first straight line direction that blast pipe enters；Wind direction transformational structure includes：Guide part, guide part for be oriented to along the air-flow that first straight line direction flow along the air-flow after curvilinear flow and guiding have along first straight line direction component and edge perpendicular to first straight line direction component.The dust collect plant is simple in structure and pick-up performance is good.
Description
Technical field
A kind of combination the present invention relates to dust collect plant and its with power tool.
Background technology
A kind of polishing class power tools such as sander, angle mill can generate a large amount of dust during the work time, in order to keep away
Exempt from pollution of the dust to environment and the injury to user, existing sander is usually also equipped with the dust dress for absorbing dust
It puts.But existing dust collect plant is complicated, and blocks it is easy to appear dust the situation of the filter paper in dust collect plant, from
And the problem of causing pick-up performance poor.
Invention content
To solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of dust collect plants, simple in structure, and inhale
Dirt effect is high.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that：
A kind of dust collect plant, including：Housing and filter element, wherein, housing is used to connect with external environment including at least one
Air stream outlet, filter element is set in housing；Housing further includes：Blast pipe and dust-collecting box, blast pipe are used to be oriented to air-flow
Enter housing along first straight line direction, dust-collecting box is connected to one end of blast pipe；Wherein, the other end of the blast pipe far from dust-collecting box
Air flow inlet is formed, filter element is set between air flow inlet and air stream outlet；The junction of blast pipe and dust-collecting box also shape
Cheng You：Wind direction transformational structure, wind direction transformational structure are used to change the air-flow flowed along first straight line direction entered from blast pipe
Flow into dust-collecting box again backward；Wind direction transformational structure includes：Guide part, the gas that guide part flows for guiding along first straight line direction
Air-flow of the stream along a curvilinear flow and after being oriented to has along the component in first straight line direction and along perpendicular to first straight line direction
Component.
Further, guide part includes：Curved surface and stop surface, the tangent plane at any point and first straight line on the curved surface
Angle is more than or equal to 0 degree and is less than or equal to 15 degree, and stop surface flows into dust-collecting box for backstop air-flow along first straight line direction；Stop surface
It is connected to curved surface and is surrounded with curved surface and be formed at least one gas outlet for being used to connect blast pipe and dust-collecting box.
Alternatively, guide part includes：Curved surface and stop surface, the tangent plane at any point is straight each parallel to first on the curved surface
Line, stop surface flow into dust-collecting box for backstop air-flow along first straight line direction；Along along first straight line direction, curved surface includes setting
First end and the second end opposite with first end in blast pipe and the junction of dust-collecting box, wherein, stop surface is formed in curved surface
Second end.
Further, curved surface surrounds and is formed at least one direction perpendicular to the open gas outlet in the direction of first straight line；
Gas outlet connects blast pipe and dust-collecting box.
Further, stop surface and the angle of first straight line are more than or equal to 60 degree and are less than or equal to 90 degree.
Further, projection of the curved surface in a plane perpendicular to first straight line includes at least one section positioned at blast pipe
The circular arc except projection in the plane.
Further, projection of the curved surface in a plane perpendicular to first straight line, which includes at least two sections, has different songs
The circular arc of rate.
Further, projection of the stop surface in a plane perpendicular to first straight line covers blast pipe in the plane
Projection.
Further, blast pipe is a hollow cylinder, and dust-collecting box is parallel to the second of first straight line with one including one section
The cavity wall of the truncated cone shape of line centered on straight line, wherein, projection of the blast pipe in a plane perpendicular to first straight line is opposite
Projection of the cavity wall in the plane is eccentric.
The combination of a kind of power tool and dust collect plant, power tool include：It tool housing and is arranged in tool housing
Fan, dust collect plant be foregoing dust collect plant.
The invention has the beneficial effects that：In the junction of blast pipe and dust-collecting box, setting is for so that airflow-reversing is led
It is simple in structure to portion, and enable to flow into dust-collecting box along curve along the air-flow that first straight line direction is flowed, so as to
Enough increase the flow velocity of air-flow, accumulated convenient for air-flow in the tail portion of dust-collecting box, and then can avoid blocking filter element.
Description of the drawings
Fig. 1 is the structure diagram of the combination of the power tool and dust collect plant as first embodiment；
Fig. 2 is the structure diagram of the dust collect plant in Fig. 1；
Fig. 3 is the rearview of the dust collect plant in Fig. 2；
Fig. 4 is sectional view of the dust collect plant in Fig. 3 along line A-A；
Fig. 5 is stereogram of the dust collect plant after housing is shown partially cut away in Fig. 2；
Fig. 6 is the partial shell of the dust collect plant in Fig. 5 and the stereogram of guide part；
Fig. 7 is the stereogram of the guide part in Fig. 5；
Fig. 8 is the figure of the projection of the curved surface and blast pipe of the guide part in Fig. 5 in a plane perpendicular to first straight line；
Fig. 9 is the structure diagram of the guide part in the dust collect plant as second embodiment.
Specific embodiment
The power tool of polishing class can generate a large amount of dust in operation, in order to avoid these dust polluting environments
And user can be caused to perplex, this existing a kind of power tool is usually with dust collect plant.Fig. 1 shows the first implementation
The combination of the power tool 100 and dust collect plant 200 of example, wherein power tool 100 can be sander, angle mill, belt sander etc.,
It here specifically can be by taking sander as an example.
Power tool 100 can include：Tool housing 11, prime mover 12 and fan 13, wherein, prime mover 12 and fan
13 are arranged in tool housing 11, and prime mover 12 also is able to when exporting power while driving fan 13 rotates, so that
The one outlet 111 that air-flow with dust is equipped with from tool housing 11 flows out.Here, dust collect plant 200 is connected to tool
At the outlet 111 of housing 11, so as to be collected to generated dust in 100 course of work of power tool.
As shown in Figures 1 to 4, dust collect plant 200 includes：Housing 201 and the filter element 202 being arranged in housing 201,
Filter element 202 is arranged in housing 201, and filter element 202 is used to cause to flowing into after the air-flow in housing 201 is filtered
Dust is stayed in housing 201 and is flowed out to outside housing 201 by filtered air-flow.
As shown in Figures 2 to 5, housing 201 includes：Blast pipe 21 and dust-collecting box 22, blast pipe 21 are used to be oriented to air-flow edge
101 direction of first straight line enters housing 201, and dust-collecting box 22 is used to collect dust.Blast pipe 21 and dust-collecting box 22 are approximately along first
101 direction of straight line arranges, and in other words, dust-collecting box 22 is connected to blast pipe 21 along one end on 101 direction of first straight line, and into
The one end of air hose 21 far from dust-collecting box 22 is formed with air flow inlet 211, and the one end of dust-collecting box 22 far from blast pipe 21 forms useful
In the air stream outlet 221 being connect with external environment, filter element 202 is arranged between air flow inlet 211 and air stream outlet 221,
So as to which the air-flow that ultromotivity tool 100 flows out is entered in housing 201 by air flow inlet 211, and in the mistake of filter element 202
Dust collect plant 200 is flowed out by air stream outlet 221 again after filter.In the present invention, in the junction of blast pipe 21 and dust-collecting box 22
Be also formed with wind direction transformational structure 30, wind direction transformational structure 30 be used for by from blast pipe 21 enter along 101 direction of first straight line
Dust-collecting box 22 is flowed into after the airflow-reversing of flowing again, specifically, wind direction transformational structure 30 includes being oriented to air-flow flowing
Guide part 31, the guide part 31 can be oriented to along the air-flow that 101 direction of first straight line is flowed along a curvilinear flow and by guide part
31 be oriented to after air-flow have along 101 direction of first straight line component and along perpendicular to 101 direction of first straight line component.Cause
This enters the air-flow of blast pipe 21 before dust-collecting box 22 is entered along 101 direction of first straight line, and guide part 31 carries out the air-flow
Commutation so that along 101 direction of first straight line flow air-flow after guide part 31 along the gas after curvilinear flow and commutation
The component not only with the component along 101 direction of first straight line but also with edge perpendicular to 101 direction of first straight line is flowed, so as to
Air-flow after commutation can be moved approximately along the tail portion for being parallel to first straight line 101 direction to dust-collecting box 22.It is used in the present invention
Guide part 31 commutates to air-flow, so that becoming tangentially to flow along the air-flow of streamlined flow, so as to be conducive to
Air-flow is accumulated in the tail portion of dust-collecting box 22, and then avoids dust premature and plug filter elements 202 are accumulated at filter element 202
And the problem of causing pick-up performance low.It should be noted that wind direction transformational structure 30 is arranged on blast pipe 21 and dust-collecting box 22
Junction, if in fact, wind direction transformational structure 30 is arranged near the junction or junction of both, and with this
Invention should all be considered as belonging to the technical solution that the present invention is protected essentially without essential distinction.
As shown in Figures 4 to 6, guide part 31 is arranged on the junction of blast pipe 21 and dust-collecting box 22, and guide part 31 can be with
It is integrally formed with blast pipe 21, such as extend from blast pipe 21 close to one end of dust-collecting box 22 towards dust-collecting box 22；Alternatively, it is oriented to
Portion 31 can also be integrally formed with dust-collecting box 22, such as the inner wall of guide part 31 from dust-collecting box 22 is directed away from the side of blast pipe 21
To extension；Again alternatively, guide part 31 can also independently form, it is then fixed to blast pipe 21 or dust-collecting box 22 again.Certainly, exist
In other embodiments, blast pipe 21 and dust-collecting box 22 can also be integrally formed, and at this moment, guide part 31 can be in the company of both
It connects and extends near place or junction to the direction far from blast pipe 21；Alternatively, then guide part 31 can also independently form
It is fixed to again near the junction or junction of both.
Specifically, as shown in Figures 4 to 7, guide part 31 includes the curved surface 311 and stop surface that are located in dust-collecting box 22
312.Wherein, the tangent plane at any point on curved surface 311 is each parallel to first straight line 101.As shown in Figure 7 and Figure 8 or
It says, which is projected as a curve at one in the plane of first straight line 101.Stop surface 312 is used for backstop
Air-flow flows into dust-collecting box 22 along 101 direction of first straight line, and stop surface 312 is to be more than or equal to 60 degree with the angle of first straight line 101
Plane less than or equal to 90 degree, furthermore, stop surface 312 also are normal to first straight line 102.Curved surface 311 is also about being formed
There is at least one direction perpendicular to the open gas outlet 313 in the direction of first straight line 101, gas outlet 313 connects 21 He of blast pipe
Dust-collecting box 22 in the present embodiment, by taking guide part 31 forms a gas outlet 313 as an example, is not limited thereto certainly.Along
On one straight line, 101 direction, curved surface 311 further includes opposite first end 311a and second end 311b, the first end of mean camber 311
311a is arranged on the junction of blast pipe 21 and dust-collecting box 22, and stop surface 312 is arranged on the second end 311b of curved surface 311.In this way,
After air-flow is flowed out from blast pipe 21, enter in the air duct that curved surface 311 and stop surface 312 surround, by curved surface 311
With the guiding role of stop surface 312, air-flow will be flowed out from gas outlet 313 in the form of whirlwind and flow into dust-collecting box 22.Lead to as a result,
It is simple in structure to cross the guide part 31 that curved surface 311 and stop surface 312 are formed, and causes air-flow flow velocity when entering dust-collecting box 22
Greatly, it is accumulated so as to be conducive to air-flow in the tail portion of dust-collecting box 22.
It should be noted that in other embodiments, the tangent plane on curved surface can also be more than with the angle of first straight line
It is less than or equal to 15 degree equal to 0 degree, in other words, curved surface can also be tilted with respect to first straight line, and curved surface can also be different in other words
Shape curved surface, stop surface connect with curved surface and surround to form gas outlet, wherein, when curved surface is abnormal curved surface, stop surface can be with
Curved surface is integrally formed, at this moment it is considered that being used for backstop air-flow directly along first straight line direction in their integrally formed entirety
The part for flowing into dust-collecting box is stop surface.
In addition, for stop surface, stop surface is not limited to a plane, if its can backstop air-flow along first straight line
Direction flows into dust-collecting box and may be considered stop surface.Such as say, when the tangent plane at any point on curved surface is each parallel to first
During straight line, stop surface can be protruded in the end of the separate blast pipe of curved surface to dust-collecting box.
More specifically, blast pipe 21 can be one section and along 101 direction of first straight line extend and with first straight line 101 be
The hollow cylinder of heart line, line centered on dust-collecting box 22 is parallel to the second straight line 102 of first straight line 101 by one including one section
The cavity wall 222 of truncated cone shape, dust-collecting box 22 further include be arranged between blast pipe 21 and cavity wall 222 for connecting both
Connecting portion 223.Wherein, blast pipe 21 is flat at this with respect to cavity wall 222 in a projection in the plane of first straight line 101
Projection in face is eccentric.In this way, when forming guide part 31, only have that there are one gas outlets 313 especially for guide part 31
When, blast pipe 21 can concede the space at gas outlet 313 with respect to 22 bias of dust-collecting box, so as to ensure gas outlet 313
Size, and then reduce wind loss of the air-flow at gas outlet 313, increase air quantity.
As shown in figure 8, curved surface 311 is not closed at the one section of both ends that is projected as of a plane perpendicular to first straight line 101
Curve, and the curve at least can include two sections have different curvature the first circular arc 311c and the second circular arc 311d, wherein,
First circular arc 311c has identical radius of curvature with projection of the blast pipe 21 in the plane, still further, the first circle
Arc 311c is overlapped with a part of the blast pipe 21 in the projection of the plane.The radius of curvature of second circular arc 311d is than the first circular arc
The radius of curvature of 311c is big, and the second circular arc 311d is also located at except projection of the blast pipe 21 in the plane.Stop surface 312 exists
The structure of projection of the edge of projection in the plane with curved surface 311 in the plane is essentially identical, and stop surface 312 is flat at this
Projection also projection of the covering blast pipe 21 in the plane in face.
The present invention also proposes the dust collect plant suitable for power tool of second embodiment, and the dust collect plant and first are implemented
Dust collect plant in example has identical blast pipe, dust-collecting box, filter element and wind direction transformational structure, differs only in and leads
Concrete structure to portion is different, wherein, it can be applied in this reality with the structure being adapted in the present embodiment in first embodiment
It applies in example, specifically repeats no more, only introduce the part distinguished in the present embodiment with first embodiment below.
As shown in figure 9, the guide part 41 in the present embodiment is formed there are two gas outlet 413, guide part 41 includes two sections points
From curved surface 411, stop surface 412 connect two curved surfaces 411, and between two curved surfaces 411 and stop surface 412 around formed more than
Two described gas outlets 413, wherein, curved surface 411 is substantially S-shaped, and gas outlet 413 is arranged on the both ends of S-shaped.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (10)
1. a kind of dust collect plant, including：
Housing, including at least one air stream outlet for being connect with external environment；
Filter element is set in the housing；
The housing includes：
Blast pipe enters the housing for being oriented to air-flow along first straight line direction；
Dust-collecting box is connected to one end of the blast pipe；
Wherein, the other end of the blast pipe far from dust-collecting box forms air flow inlet, and the filter element is set to the air-flow
Between entrance and the air stream outlet；
The junction of the blast pipe and the dust-collecting box is also formed with：
Wind direction transformational structure, for making from after the airflow-reversing flowed along the first straight line direction that the blast pipe enters again
Flow into the dust-collecting box；
The wind direction transformational structure includes：
Guide part has for being oriented to along air-flow of the air-flow that the first straight line direction is flowed along a curvilinear flow and after being oriented to
Along the first straight line direction component and along perpendicular to the first straight line direction component.
2. dust collect plant according to claim 1, it is characterised in that：
The guide part includes：
Curved surface, the angle of the tangent plane at any point and the first straight line is more than or equal to 0 degree less than or equal to 15 degree on the curved surface；
Stop surface flows into the dust-collecting box for backstop air-flow along the first straight line direction；
The stop surface is connected to the curved surface and at least one for connecting the blast pipe around being formed with the curved surface
With the gas outlet of the dust-collecting box.
3. dust collect plant according to claim 1, it is characterised in that：
The guide part includes：
Curved surface, the tangent plane at any point is each parallel to the first straight line on the curved surface；
Stop surface flows into the dust-collecting box for backstop air-flow along the first straight line direction；
Along along the first straight line direction, the curved surface includes being set to the junction of the blast pipe and the dust-collecting box
First end and the second end opposite with the first end, wherein, the stop surface is formed in the second end of the curved surface.
4. dust collect plant according to claim 3, it is characterised in that：
The curved surface surrounds and is formed at least one direction perpendicular to the open gas outlet in the direction of the first straight line；It is described go out
Gas port connects the blast pipe and the dust-collecting box.
5. dust collect plant according to claim 3, it is characterised in that：
The stop surface and the angle of the first straight line are more than or equal to 60 degree and are less than or equal to 90 degree.
6. dust collect plant according to claim 3, it is characterised in that：
The curved surface includes at least one section in a projection in the plane of the first straight line and is located at the blast pipe
The circular arc except projection in the plane.
7. dust collect plant according to claim 3, it is characterised in that：
The curved surface includes at least two sections in a projection in the plane of the first straight line has different curvature
Circular arc.
8. dust collect plant according to claim 3, it is characterised in that：
The stop surface covers the blast pipe in the plane in a projection in the plane of the first straight line
Projection.
9. dust collect plant according to claim 1, it is characterised in that：
The blast pipe is a hollow cylinder, and the dust-collecting box includes one section and is parallel to the second straight of the first straight line with one
The cavity wall of the truncated cone shape of line centered on line, wherein, the blast pipe is in a throwing in the plane of the first straight line
Shade is eccentric to projection of the cavity wall in the plane.
10. the combination of a kind of power tool and dust collect plant, the power tool includes：Tool housing and it is arranged on the tool
Fan in housing, the dust collect plant are the dust collect plant described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611241402.6A CN108247540B (en) | 2016-12-29 | 2016-12-29 | Dust collecting device and combination of dust collecting device and power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611241402.6A CN108247540B (en) | 2016-12-29 | 2016-12-29 | Dust collecting device and combination of dust collecting device and power tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108247540A true CN108247540A (en) | 2018-07-06 |
| CN108247540B CN108247540B (en) | 2020-12-01 |
Family
ID=62720621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611241402.6A Active CN108247540B (en) | 2016-12-29 | 2016-12-29 | Dust collecting device and combination of dust collecting device and power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108247540B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113099638A (en) * | 2021-05-15 | 2021-07-09 | 牛世强 | Electrical cabinet for controlling electrical equipment |
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| US20040226272A1 (en) * | 2003-05-14 | 2004-11-18 | Guido Valentini | Motorized tool with suction and dust collection capacity |
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| CN105983948A (en) * | 2015-02-13 | 2016-10-05 | 张玮庭 | Reversing control structure of pneumatic tool |
| CN106073629A (en) * | 2016-01-20 | 2016-11-09 | 江苏美的清洁电器股份有限公司 | Hand held cleaner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2343393A (en) * | 1998-07-14 | 2000-05-10 | Bosch Gmbh Robert | Hand held machine tool dust extraction system |
| US20040226272A1 (en) * | 2003-05-14 | 2004-11-18 | Guido Valentini | Motorized tool with suction and dust collection capacity |
| CN2735924Y (en) * | 2004-10-15 | 2005-10-26 | 王瑞昌 | Hand-held type dust-collecting air-blowing cleaner |
| CN101061930A (en) * | 2006-04-24 | 2007-10-31 | 盖多·瓦伦蒂尼 | Dust collection container with bladed element for power tool with suction capacity |
| CN203542559U (en) * | 2013-09-30 | 2014-04-16 | 南京德朔实业有限公司 | Dust collection accessory |
| CN203738747U (en) * | 2013-09-30 | 2014-07-30 | 南京德朔实业有限公司 | Dust collecting accessory |
| CN105983948A (en) * | 2015-02-13 | 2016-10-05 | 张玮庭 | Reversing control structure of pneumatic tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113099638A (en) * | 2021-05-15 | 2021-07-09 | 牛世强 | Electrical cabinet for controlling electrical equipment |
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| Publication number | Publication date |
|---|---|
| CN108247540B (en) | 2020-12-01 |
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