CN101332599B - Power tool - Google Patents
Power tool Download PDFInfo
- Publication number
- CN101332599B CN101332599B CN2007100239614A CN200710023961A CN101332599B CN 101332599 B CN101332599 B CN 101332599B CN 2007100239614 A CN2007100239614 A CN 2007100239614A CN 200710023961 A CN200710023961 A CN 200710023961A CN 101332599 B CN101332599 B CN 101332599B
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- Prior art keywords
- chip removal
- flow distribution
- distribution plate
- removal valve
- chip
- 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.)
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Abstract
The invention discloses a power tool which comprises a shell, a power source arranged in the shell, a fan connected with the power source and a tubular chip removal valve arranged on the shell; a reversing plate is arranged in the chip removal valve, air inlets are arranged on the tube walls of the chip removal valve at the two sides of the reversing plate, the airflow generated by rotation of the fan enters the chip removal valve from the air inlets, a splitter plate is arranged on the reversing plate near the air inlets, the splitter plate divides the airflow entering the chip removal valve into at least two parts, one part of the airflow is used for reversing the chip entering the chip removal valve, and another part of the airflow is used for blowing chip, therefore, the chip does not accumulate in the chip removal valve, chip removal is thorough and chip removal efficiency is high, and the power tool is not easy to be blocked by the chip in the process of operation.
Description
Technical field
The present invention relates to a kind of power tool, especially a kind of hand-held electric planer with chip removal valve.
Background technology
Hand-held electric planer is widely used in the woodenware manufacture field.
Traditional hand-held electric planer has housing, in this housing, support one by motor-driven rotatable planing tool and a fan that is connected with motor, above close planing tool on the housing, form chip discharging tube, chip discharging tube has two mouths of pipe, a mouth of pipe is set to air inlet, and another mouth of pipe is set to chip removal mouth, and chip discharging tube is provided with into bits mouth near the tube wall of planing tool.The air-flow that the fan rotation produces enters from the air inlet of chip discharging tube, will advance to consider to be worth doing a mouthful chip that enters chip discharging tube certainly and discharge from chip removal mouth.Because chip discharging tube is one-body molded on housing, so chip can only be discharged from the left side or the right side of electric planer.
U.S.'s bulletin patent the 5th, 383, disclosed a kind of hand-held electric planer No. 275, this electric planer has housing, be housed in the motor in the housing, by motor-driven planing tool, be connected the fan on the motor, be arranged on two gas outlets that link to each other with fan in the housing, be arranged on the crumb mouth in the housing, be arranged on the chip removal valve of the tubulose that is positioned at the planing tool top in the housing, at the inner vertically oblique reversing plate that is extended with of chip removal valve, this reversing plate is divided into two relatively cavitys of sealing with the chip removal valve, is symmetrically arranged with the opening of rectangle at the tube wall upper edge longitudinal axis of the chip removal valve of reversing plate both sides, and one side of this opening is near the link of reversing plate and chip removal valve.Wherein chip removal direction can be rotated selectively from a side of electric planer around its axis by the chip removal valve and is transformed into opposite side.
The gas outlet of above-mentioned hand-held electric planer is near the link of reversing plate and chip removal valve, the air communication that the fan rotation produces is crossed the gas outlet along a cavity that enters the chip removal valve perpendicular to the direction of chip removal valve axis, the air-flow that has chip that the planing tool rotation produces enters this cavity along the direction of the air-flow that produces perpendicular to fan, the part of these two strands of air-flows is cancelled out each other in the end of cavity, the chip of end can not be discharged fully, thereby chip removal efficient is lower, and electric planer is easy to stifled bits in the course of the work.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of the present invention is to provide the high power tool of a kind of chip removal efficient.
The technical solution adopted for the present invention to solve the technical problems is: a kind of power tool, has housing, be arranged on the power source in the housing, working head by drive power source, the fan that is connected with this power source, be arranged on the chip removal valve of the tubulose on the housing, be provided with reversing plate in the chip removal valve, on the tube wall of the chip removal valve of reversing plate both sides, be equipped with air inlet and advance bits mouthful, the air-flow that the fan rotation produces enters the chip removal valve from described air inlet, the chip that produces during working head work enters the chip removal valve by advancing the bits mouth, and described reversing plate is provided with flow distribution plate near described air inlet place, and the air-flow that described flow distribution plate will enter the chip removal valve is divided at least two strands.
Wherein, described flow distribution plate and described reversing plate are one-body molded; Described flow distribution plate and the combination of described reversing plate are provided with; Described flow distribution plate plane is vertical with described reversing plate plane; Described flow distribution plate is parallel with the longitudinal axis of chip removal valve; The longitudinal axis of described flow distribution plate and chip removal valve is the angle setting; Described flow distribution plate is a curved surface; Described reversing plate is a curved surface; Described flow distribution plate plane and reversing plate plane tilt to intersect; Described flow distribution plate radially extends to concordant with the outer wall of chip removal valve along the chip removal valve; The length of described flow distribution plate is into to consider 1/10 to 1/2 of mouthful length to be worth doing.
Compared with prior art, the invention has the beneficial effects as follows: the air-flow that flow distribution plate will enter the chip removal valve is divided at least two strands, one air-flow is used for and will enters the chip break-in of chip removal valve, another strand air-flow is used to blow bits, thereby chip can not gather in the chip removal valve, chip removal is thorough, and chip removal efficient height, power tool are not easy stifled bits in the course of the work.
Description of drawings
Power tool of the present invention is a hand-held electric planer, below in conjunction with accompanying drawing concrete elaboration is carried out in preferred embodiment of the present invention.
Fig. 1 is the partial sectional view of hand-held electric planer of the present invention;
Fig. 2 is the cutaway view of hand-held electric planer of the present invention;
Fig. 3 is the cutaway view of chip removal valve in hand-held electric planer first preferred embodiment of the present invention;
Fig. 4 is the stereogram of chip removal valve in hand-held electric planer first preferred embodiment of the present invention;
Fig. 5 is Fig. 4 chip removal valve stereogram behind the axis X Rotate 180 ° longitudinally.
Fig. 6 is the cutaway view of hand-held electric planer first preferred embodiment of the present invention, and at this moment, the chip removal direction is the left bank bits;
Fig. 7 is the cutaway view of hand-held electric planer first preferred embodiment of the present invention, and at this moment, the chip removal direction is right chip removal;
Fig. 8 is the side view of chip removal valve in hand-held electric planer second preferred embodiment of the present invention;
Fig. 9 is the cutaway view of Fig. 8 along the A-A direction;
Figure 10 is the side view of chip removal valve in hand-held electric planer the 3rd preferred embodiment of the present invention;
Figure 11 is the side view of hand-held electric planer the 4th preferred embodiment chip removal valve of the present invention;
Figure 12 is the cutaway view of Figure 11 along the B-B direction.
Wherein:
1, housing 2, main handle 3, power source 4, planing tool
5, fan 6, the first host cavities 7, auxiliary-handle 8, base plate
9, the second host cavities 10 go out to consider to be worth doing pipeline 11, crumb mouth 12, outlet pipe
13, gas outlet 14, chip removal valve 15,15 ', reversing plate 16, the first links
17, the second links, 18, the first cavitys, 19, the second cavitys, 20, the first chip removal mouths
21, the second chip removal mouths 22, tube wall 25, the first air inlets 26, the second air inlets
27, the first advance bits mouth 28, the second advances bits mouth 30,30 ", first flow distribution plate
31,31 ', the second flow distribution plate
The specific embodiment
Referring to Fig. 1, shown in Figure 2, a kind of hand-held electric planer has housing 1, fixedly connect the main handle 2 on housing 1, be housed in the power source 3 in the housing 1, be connected the fan 5 on the power source 3, by the planing tool 4 that power source 3 drives, this planing tool 4 be arranged in parallel with power source 3.
The top that housing 1 is positioned at first host cavity 6 is provided with second host cavity 9 of the tubulose of horizontal expansion.Between first host cavity 6 and second host cavity 9, be connected with out bits pipeline 10, go out to consider to be worth doing pipeline 10 and have the crumb mouth 11 of leading to second host cavity 9.Air-flow that planing tool 4 rotation produces and chip 11 enter into second host cavity 9 from the crumb mouth.
Be provided with outlet pipe 12 in the housing 1, this outlet pipe 12 has the gas outlet 13 of leading to second host cavity 9, and an end of outlet pipe 12 is connected with fan 5.The airflow passes outlet pipe 12 that fan 5 rotation produces also 13 enters second host cavity 9 from the gas outlet.
The chip removal valve 14 of tubulose is arranged in second host cavity 9 rotationally.
Referring to shown in Figure 3, at the inner oblique reversing plates 15 that are provided with of chip removal valve 14, the two ends of reversing plate 15 are to tube wall 22 bendings of chip discharging tube 14, and are tightly connected with tube wall 22, form first link 16 and second link 17.Reversing plate 15 is divided into first cavity 18 and second cavity 19 of relative sealing with chip removal valve 14, and chip removal valve 14 is provided with first chip removal mouth 20 in the end of first cavity 18, be provided with second chip removal mouth 21 in the end of second cavity 19.
Further referring to Fig. 4, shown in Figure 5, first air inlet 25, second air inlet, 26, the first air inlets 25 that are provided with rectangle in the tube wall 22 upper edge longitudinal axis X reverse symmetry of the chip removal valve 14 of reversing plate 15 both sides near first link, 16, the second air inlets 26 near second links 17.
In preferred embodiment of the present invention, the length of first air inlet, 25, the second air inlets 26 is respectively 1/3 of gas outlet 13 length.
Being symmetrically arranged with first of rectangle at the tube wall 22 upper edge longitudinal axis X of the chip removal valve 14 of reversing plate 15 both sides advances bits mouthful 27, second and advances bits mouthfuls 28, the first and advance bits mouthfuls 27 and advance bits mouthfuls 28 near second links 17 near first links 16, the second.
Extremely shown in Figure 7 referring to Fig. 3, be provided with first flow distribution plate 30 near first air inlet, 25 places on the reversing plate 15, being provided with second flow distribution plate, 31, the first flow distribution plates 30 and second flow distribution plate 31 near second air inlet, 26 places is provided with respect to the longitudinal axis X reverse symmetry of chip removal valve 14.
In the present invention's first preferred embodiment, flow distribution plate 30,31 and reversing plate 15 one-body molded settings.
The plane at the plane at first flow distribution plate, 30 places, second flow distribution plate, 31 places respectively with vertical setting the in plane at reversing plate 15 places.
First flow distribution plate 30, second flow distribution plate 31 be arranged in parallel with the longitudinal axis X of chip removal valve 14 respectively. Flow distribution plate 30,31 is concordant with the outer wall 22 of chip removal valve 14 along radially extending to of chip removal valve 14 respectively. Flow distribution plate 30,31 is trapezoidal.
The creating conception according to the present invention, first flow distribution plate 30, second flow distribution plate 31 also can be respectively and the angled setting of longitudinal axis X of chip removal valve 14.The connected mode of flow distribution plate 30,31 and reversing plate 15 also can be a combination setting, for example pegs graft or adhesion.
The length of first flow distribution plate 30, second flow distribution plate 31 is respectively first and advances bits mouthfuls 27, the second and advance 1/10 to 1/2 of bits mouthful 28 length.
First flow distribution plate 30, second flow distribution plate 31 will be divided at least two strands from the air-flow that first air inlet, 25, the second air inlets 26 enter chip removal valve 14 respectively.
In the present invention's first preferred embodiment, first flow distribution plate 30, second flow distribution plate 31 respectively will be from first air inlet 25, the air-flow a that second air inlet 26 enters chip removal valve 14 is divided into two strands, air-flow a1, a1 ' will enter the end of cavity 18 near first link 16 respectively, enter chip d, d ' the change direction of cavity 19 near the end of second link 17, air-flow a2, a2 ' blow out chip removal valve 14 with chip d, d ' from chip removal mouth 20,21 respectively.
Referring to shown in Figure 6, at this moment, the left-hand component of gas outlet 13 is sealed by tube wall 22 envelopes of chip removal valve 14, the air-flow a that produces by fan 5 rotation flow through outlet pipe 12 and from the gas outlet 13 right-hand member enters first air inlet 25 that is arranged on chip removal valve 14, first flow distribution plate 30 is divided into two strands with air-flow a, one air-flow a1 will advance the bits mouthful 27 chip d break-ins that enter chip removal valve 14 certainly, and another strand air-flow a2 discharges chip d from first chip removal mouth 20 of chip removal valve 14.
With chip removal valve 14 from position shown in Figure 6 Rotate 180 degree, make the right-hand component of gas outlet 13 be sealed by the tube wall 22 of chip removal valve 14, referring to shown in Figure 7, at this moment, flow through outlet pipe 12 and the left end from gas outlet 13 of the air-flow a that is produced by fan 5 rotation enters second air inlet 26 that is arranged on the chip removal valve 14, second flow distribution plate 31 that is fixed on the reversing plate 15 is divided into two strands with air-flow a, one air-flow a1 ' will advance the bits mouthful 28 chip d ' break-ins that enter chip removal valve 14 certainly, and another strand air-flow a2 ' discharges chip d ' from second chip removal mouth 21 of chip removal valve 14.
Referring to Fig. 8, shown in Figure 9, in the present invention's second preferred embodiment, reversing plate 15 ' is a curved surface.The first flow distribution plate (not shown), second flow distribution plate 31 respectively with vertical setting of face at reversing plate 15 ' place.The first flow distribution plate (not shown), second flow distribution plate 31 be arranged in parallel with the longitudinal axis X of chip removal valve 14 respectively.The first flow distribution plate (not shown), second flow distribution plate 31 and reversing plate 15 ' one-body molded setting.
The creating conception according to the present invention, the first flow distribution plate (not shown), second flow distribution plate 31 also can be respectively and the angled setting of face at reversing plate 15 ' place.The first flow distribution plate (not shown), second flow distribution plate 31 also can be respectively and the angled setting of longitudinal axis X of chip removal valve 14.The first flow distribution plate (not shown), second flow distribution plate 31 also can be combination settings with the connected mode of reversing plate 15 ', for example peg graft or adhesion.
Referring to shown in Figure 10, in the present invention's the 3rd preferred embodiment, the first flow distribution plate (not shown), second flow distribution plate 31 ' are curved surface.The first flow distribution plate (not shown), second flow distribution plate 31 ' respectively with vertical setting of face at reversing plate 15 places.The first flow distribution plate (not shown), second flow distribution plate 31 ' respectively with the angled setting of longitudinal axis X of chip removal valve 14.The first flow distribution plate (not shown), second flow distribution plate 31 ' and reversing plate 15 one-body molded settings.
The creating conception according to the present invention, the first flow distribution plate (not shown), second flow distribution plate 31 ' also can be respectively and the angled setting of face at reversing plate 15 places.The first flow distribution plate (not shown), second flow distribution plate 31 ' also can be respectively be arranged in parallel with the longitudinal axis X of chip removal valve 14.The connected mode of the first flow distribution plate (not shown), second flow distribution plate 31 ' also can be a combination setting, for example pegs graft or adhesion.
Referring to Figure 11, shown in Figure 12, in the present invention's the 4th preferred embodiment, first flow distribution plate 30 ", the second flow distribution plate (not shown) respectively with the angled setting of face at reversing plate 15 places, first flow distribution plate 30 ", the second flow distribution plate (not shown) be arranged in parallel with the longitudinal axis X of chip removal valve 14 respectively.First flow distribution plate 30 ", 15 combinations of the second flow distribution plate (not shown) and reversing plate are provided with.
The creating conception according to the present invention, first flow distribution plate 30 ", the second flow distribution plate (not shown) can be respectively and the angled setting of longitudinal axis X of chip removal valve 14.First flow distribution plate 30 ", the connected mode of the second flow distribution plate (not shown) and reversing plate 15 also can be one-body molded.
According to design of the present invention, the outlet pipe that those skilled in the art are easy to expect being arranged in the housing is set to two pipelines that are connected with fan, and have two gas outlets, with the air inlet in the preferred embodiment with advance the bits mouth and be arranged to the opening of a rectangle, this opening is air inlet corresponding to the place, gas outlet of housing, this opening is located to advancing the bits mouth corresponding to the crumb mouth of housing, be provided with flow distribution plate at reversing plate near described air inlet place, the air-flow that flow distribution plate will enter the chip removal valve is divided at least two strands.
In a word, the present invention is not limited to the specific embodiment structure of being lifted, and the structure of conceiving based on the present invention all belongs to protection domain of the present invention.
Claims (11)
1. power tool, has housing, be arranged on the power source in the housing, working head by drive power source, the fan that is connected with this power source, be arranged on the chip removal valve of the tubulose on the housing, be provided with reversing plate in the chip removal valve, on the tube wall of the chip removal valve of reversing plate both sides, be equipped with air inlet and advance bits mouthful, the air-flow that the fan rotation produces enters the chip removal valve from described air inlet, the chip that produces during working head work enters the chip removal valve by advancing the bits mouth, and it is characterized in that: described reversing plate is provided with flow distribution plate near described air inlet place, and the air-flow that described flow distribution plate will enter the chip removal valve is divided at least two strands.
2. power tool according to claim 1 is characterized in that: described flow distribution plate and described reversing plate are one-body molded.
3. power tool according to claim 1 is characterized in that: described flow distribution plate and the combination of described reversing plate are provided with.
4. according to claim 2 or 3 described power tools, it is characterized in that: described flow distribution plate plane is vertical with described reversing plate plane.
5. power tool according to claim 4 is characterized in that: described flow distribution plate is parallel with the longitudinal axis of chip removal valve.
6. power tool according to claim 4 is characterized in that: the longitudinal axis of described flow distribution plate and chip removal valve is the angle setting.
7. power tool according to claim 4 is characterized in that: described flow distribution plate is a curved surface.
8. power tool according to claim 4 is characterized in that: described reversing plate is a curved surface.
9. according to claim 2 or 3 described power tools, it is characterized in that: described flow distribution plate plane and reversing plate plane tilt to intersect.
10. power tool according to claim 1 is characterized in that: described flow distribution plate radially extends to concordant with the outer wall of chip removal valve along the chip removal valve.
11. power tool according to claim 1 is characterized in that: the length of described flow distribution plate is into to consider 1/10 to 1/2 of mouthful length to be worth doing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100239614A CN101332599B (en) | 2007-06-30 | 2007-06-30 | Power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100239614A CN101332599B (en) | 2007-06-30 | 2007-06-30 | Power tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101332599A CN101332599A (en) | 2008-12-31 |
| CN101332599B true CN101332599B (en) | 2011-03-30 |
Family
ID=40195609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100239614A Expired - Fee Related CN101332599B (en) | 2007-06-30 | 2007-06-30 | Power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101332599B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009356B (en) * | 2012-11-29 | 2015-11-25 | 南京德朔实业有限公司 | Electric tool |
| DE102013208705A1 (en) * | 2013-05-13 | 2014-11-13 | Robert Bosch Gmbh | Portable planer |
| JP6890965B2 (en) * | 2016-12-15 | 2021-06-18 | 株式会社マキタ | Portable cutting machine |
| CN110605765A (en) * | 2019-11-09 | 2019-12-24 | 泰州市汇顶机械制造有限公司 | Electric planer convenient to chip removal is removed dust |
| CN115351851B (en) * | 2022-08-31 | 2023-04-11 | 浙江闽立电动工具有限公司 | External rotor electric planer and auxiliary device thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5383275A (en) * | 1991-10-22 | 1995-01-24 | Robert Bosch Gmbh | Hand planer |
| US5815934A (en) * | 1995-03-24 | 1998-10-06 | Black & Decker Inc. | Planar chip ejection cassette |
| CN1096914C (en) * | 1998-07-16 | 2002-12-25 | 罗伯特-博希股份公司 | Hand operated plane |
| CN2529746Y (en) * | 2002-03-29 | 2003-01-08 | 苏州宝时得电动工具有限公司 | Hand-held electric planer |
| CN1506201A (en) * | 2002-12-13 | 2004-06-23 | Gmca����˾ | Improved dynamic tool |
| CN2818029Y (en) * | 2005-07-25 | 2006-09-20 | 上海严杰实业有限公司 | Manual electric plane with reversing chip-discharging improvement |
| CN1972788A (en) * | 2004-06-23 | 2007-05-30 | 创科实业有限公司 | Pre-directing insert for a bi-directional exhausting handheld planer |
| CN201067899Y (en) * | 2007-07-02 | 2008-06-04 | 苏州宝时得电动工具有限公司 | Power tool |
-
2007
- 2007-06-30 CN CN2007100239614A patent/CN101332599B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5383275A (en) * | 1991-10-22 | 1995-01-24 | Robert Bosch Gmbh | Hand planer |
| US5815934A (en) * | 1995-03-24 | 1998-10-06 | Black & Decker Inc. | Planar chip ejection cassette |
| CN1096914C (en) * | 1998-07-16 | 2002-12-25 | 罗伯特-博希股份公司 | Hand operated plane |
| CN2529746Y (en) * | 2002-03-29 | 2003-01-08 | 苏州宝时得电动工具有限公司 | Hand-held electric planer |
| CN1506201A (en) * | 2002-12-13 | 2004-06-23 | Gmca����˾ | Improved dynamic tool |
| CN1972788A (en) * | 2004-06-23 | 2007-05-30 | 创科实业有限公司 | Pre-directing insert for a bi-directional exhausting handheld planer |
| CN2818029Y (en) * | 2005-07-25 | 2006-09-20 | 上海严杰实业有限公司 | Manual electric plane with reversing chip-discharging improvement |
| CN201067899Y (en) * | 2007-07-02 | 2008-06-04 | 苏州宝时得电动工具有限公司 | Power tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101332599A (en) | 2008-12-31 |
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Denomination of invention: Tool holder for power tools Effective date of registration: 20140515 Granted publication date: 20110330 Pledgee: Bank of Communications Ltd Suzhou branch Pledgor: Baoshide Electric Tools Co., Ltd., Suzhou Registration number: 2014990000362 |
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Date of cancellation: 20180416 Granted publication date: 20110330 Pledgee: Bank of Communications Ltd Suzhou branch Pledgor: Baoshide Electric Tools Co., Ltd., Suzhou Registration number: 2014990000362 |
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