CN105917988A - Chain saw - Google Patents
Chain saw Download PDFInfo
- Publication number
- CN105917988A CN105917988A CN201610440037.5A CN201610440037A CN105917988A CN 105917988 A CN105917988 A CN 105917988A CN 201610440037 A CN201610440037 A CN 201610440037A CN 105917988 A CN105917988 A CN 105917988A
- Authority
- CN
- China
- Prior art keywords
- housing
- air
- driving head
- chain saw
- air inlet
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
- A01G3/085—Motor-driven saws for pruning or branching
- A01G3/086—Chain saws
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/08—Felling trees
- A01G23/091—Sawing apparatus specially adapted for felling trees
Abstract
The invention discloses a chain saw which comprises a shell and a driving head. The driving head is arranged in the shell, fan blades are arranged on the driving head, and first air inlets and second air inlets are formed in the shell; the fan blades can rotate, so that external air can flow into the first air inlets to form first cooling air and can flow into the second air inlets to form second cooling air, and the first cooling air and the second cooling air can flow into the driving head from air inlets in one end of the driving head, can flow through the driving head and can be exhausted from air outlets in shell by the aid of the fan blades at the other end of the driving head. Owing to the mode, the chain saw has the advantages that heat dissipation effects can be improved by the chain saw and electric tools of the chain saw, heat can be dissipated for motors and control panels, and the manufacturing cost can be reduced.
Description
Technical field
The present invention relates to garden instrument field, particularly relate to a kind of chain saw.
Background technology
Brushless electric machine technology is high due to low-carbon environment-friendly, energy conversion rate, and find broad application, the most brushless chain saw is of a great variety, wind path design is former from conventional AC chain saw structure (feature: fan blade heat radiation is positioned at motor output end), dc direct current chain saw structure (feature: fan blade heat radiation is positioned at carbon brush for electric machine end) mostly, this is all traditional motor radiating mode, and mainly solve is pyrotoxin parts maximum on motor.But the utilization of Novel brushless motor technology has controller part also to need the same problem of heat radiation, controller needs to be controlled the break-make of the electric current of motor by metal-oxide-semiconductor, the heat that main pyrotoxin also comes from the frequent operation of this electronic unit and brings, generally increases big heat sink material (feature: volume is big and weight) on metal-oxide-semiconductor or strengthens MOS specification (feature: bring for the specification that current requirements is high is the costliness of cost) and solve the bad problem that temperature is brought.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of chain saw, it is possible to increase radiating effect, dispels the heat motor and panel simultaneously, reduces manufacturing cost.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of chain saw, including housing and the driving head be located in housing, described driving head is provided with fan blade, it is characterized in that, the first air inlet and the second air inlet is had on described housing, the rotation of described fan blade makes extraneous air enter the first air inlet and forms the first cooling air channel, extraneous air enters the second air inlet and forms the second cooling air channel, it is internal and pass driving head by the fan blade of the driving head other end that cold air enters driving head through the air inlet of the first cooling air channel and the second cooling air channel to driving head one end, discharge from the air outlet of housing.
In a preferred embodiment of the present invention, it is additionally provided with separator on described housing, described separator and housing connect formation air draft spiral case, described fan blade is arranged between separator and housing, and by the cooling wind via the first cooling air channel and the second cooling air channel, discharged from the air outlet of housing by air draft spiral case.
In a preferred embodiment of the present invention, being provided with panel in described housing, described panel is positioned at the first cooling air channel.
In a preferred embodiment of the present invention, being provided with driving head in described housing, the outer wall of described driving is positioned at the second cooling air channel.
In a preferred embodiment of the present invention, described first cooling air channel and the second cooling air channel form an air channel in driving head air inlet.
In a preferred embodiment of the present invention, below described panel, it is provided with heat sink.
In a preferred embodiment of the present invention, described heat sink is metal material, in cellular, netted or riser shape.
In a preferred embodiment of the present invention, described housing includes that left casing, right casing and upper cover are formed by connecting, and described first air inlet is located at the left side of upper cover, and described second air inlet is opened in left casing, described air outlet is located at the bottom of left casing, and described fan blade is positioned at left internal side of shell.
In a preferred embodiment of the present invention, described first air inlet, the second air inlet, air outlet and fan blade are respectively positioned on the same side of housing.
The invention has the beneficial effects as follows: chain saw of the present invention, it is possible to increase radiating effect, motor and panel are dispelled the heat simultaneously, be independent of each other between air channel, it is to avoid cause turbulent flow, reduce wind speed and radiating efficiency, reduce manufacturing cost.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of a preferred embodiment of chain saw of the present invention；
Fig. 2 is the partial structurtes schematic diagram shown in Fig. 1；
Fig. 3 is the partial structurtes schematic diagram shown in Fig. 1；
Fig. 4 is the partial structurtes schematic diagram shown in Fig. 1；
Fig. 5 is the partial structurtes schematic diagram shown in Fig. 1；
In accompanying drawing, the labelling of each parts is as follows: 1, housing, and 2, driving head, the 3, first air inlet, the 4, second air inlet, 5, fan blade, 6, the first cooling wind, the 7, second cooling wind, 8, air outlet, 9, separator, 10, panel, 11, heat sink, 12, left casing, 13, right casing, 14, upper cover.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1, a kind of chain saw, including housing 1 and the driving head 2 be located in housing, driving head 2 is motor, driving head 2 is provided with fan blade 5, the first air inlet 3 and the second air inlet 4 is had on housing 1, fan blade 5 rotates and makes extraneous air enter the first air inlet 3, the first cooling wind 6 is formed via the first cooling air channel, extraneous air enters the second air inlet 4 and forms the second cooling wind 7 via the second cooling air channel, first cooling wind 6 and the second cooling wind 7 air inlet from driving head 2 one end enter driving head 2 inside and are discharged from the air outlet 8 of housing 1 by cooling wind by the fan blade 5 of driving head 2 other end through driving head 2.
It addition, be additionally provided with separator 9 on housing 1, separator 9 and housing 1 connect formation air draft spiral case, and fan blade 5 is arranged between separator 9 and housing 1, and the first cooling wind 6 and the second cooling wind 7 are discharged from the air outlet 8 of housing 1 by air draft spiral case.
It addition, the second cooling wind 7 enter housing 1 after-blow overdrive 2 outside enter the air inlet of driving head 2 after blow over the inside of driving head 2 the most completely after blown out by fan blade 5.Second cooling wind 7 first blows to end from driving head 3 front end, is then entering inside driving head 3, and the second cooling wind 7 is blown out by fan blade 5 after inside is returned to front end by end again, more preferably to motor dispel the heat.
It addition, be provided with panel 10 in housing 1, the first cooling wind 6 blows over entrance driving head 3 after panel 10 is cooled down by panel 10 after entering housing 1.Being provided with heat sink 11 below panel 10, heat sink 11 is metal aluminum sheet, is preferably dispelled the heat panel by the first cooling wind 7.
It addition, first air inlet the 3, second air inlet 4, air outlet 8 and fan blade 5 are respectively positioned on the same side of housing 1.Housing 1 includes that left casing 12, right casing 13 and upper cover 14 are formed by connecting, and the first air inlet 3 is located at the left side of upper cover 14, and the second air inlet 4 is opened in left casing 12, and air outlet 8 is located at the bottom of left casing 12, and fan blade 5 is positioned at inside left casing 12.
Electric motor starting and drive fan blade 9 to rotate so that extraneous air forms air intake phenomenon under atmospheric pressure, extraneous air by first air inlet 3 enter formed first cooling wind 6, second air inlet 4 enter formed second cooling wind 7.First cooling wind 6 is blown over from panel 10 and is then passed through the air inlet of motor to motor internal, second cooling wind 7 is blown over from outside motor, then entering motor internal from the air inlet of motor, last first cooling wind 6 and the second cooling wind 7 are blown out again by fan blade 5 after motor internal collaborates.
It is different from prior art, chain saw of the present invention and electric tool thereof, it is possible to increase radiating effect, motor and panel is dispelled the heat simultaneously, reduce manufacturing cost.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (9)
1. a chain saw, including housing and the driving head be located in housing, described driving head is provided with fan blade, it is characterized in that, the first air inlet and the second air inlet is had on described housing, the rotation of described fan blade makes extraneous air enter the first air inlet and forms the first cooling air channel, extraneous air enters the second air inlet and forms the second cooling air channel, cold air through the air inlet of the first cooling air channel and the second cooling air channel to driving head one end enter driving head internal and through driving head by the fan blade of the driving head other end, from the air outlet discharge of housing.
Chain saw the most according to claim 1, it is characterized in that, it is additionally provided with separator on described housing, described separator and housing connect formation air draft spiral case, described fan blade is arranged between separator and housing, and by the cooling wind via the first cooling air channel and the second cooling air channel, discharged from the air outlet of housing by air draft spiral case.
Chain saw the most according to claim 1, it is characterised in that be provided with panel in described housing, described panel is positioned at the first cooling air channel.
Chain saw the most according to claim 1, it is characterised in that be provided with driving head in described housing, the outer wall of described driving is positioned at the second cooling air channel.
Chain saw the most according to claim 1, it is characterised in that described first cooling air channel and the second cooling air channel form an air channel in driving head air inlet.
Chain saw the most according to claim 3, it is characterised in that be provided with heat sink below described panel.
Chain saw the most according to claim 6, it is characterised in that described heat sink is metal material, in cellular, netted or riser shape.
8. according to the chain saw described in claim 1, it is characterized in that, described housing includes that left casing, right casing and upper cover are formed by connecting, described first air inlet is located at the left side of upper cover, described second air inlet is opened in left casing, described air outlet is located at the bottom of left casing, and described fan blade is positioned at left internal side of shell.
9. according to the arbitrary described chain saw of claim 1-8, it is characterised in that described first air inlet, the second air inlet, air outlet and fan blade are respectively positioned on the same side of housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440037.5A CN105917988A (en) | 2016-06-20 | 2016-06-20 | Chain saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440037.5A CN105917988A (en) | 2016-06-20 | 2016-06-20 | Chain saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105917988A true CN105917988A (en) | 2016-09-07 |
Family
ID=56831366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610440037.5A Pending CN105917988A (en) | 2016-06-20 | 2016-06-20 | Chain saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105917988A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175724A (en) * | 2016-03-10 | 2017-09-19 | 株式会社牧田 | Chain saw |
| CN114193557A (en) * | 2020-09-02 | 2022-03-18 | 南京德朔实业有限公司 | Chain saw |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101668616A (en) * | 2007-02-26 | 2010-03-10 | 佩朗股份有限公司 | Static cooling electric chain saw and method used to achieve said cooling |
| CN102741024A (en) * | 2010-02-11 | 2012-10-17 | 胡斯华纳有限公司 | Battery driven electric power tool with brushless motor |
| CN103066753A (en) * | 2012-12-19 | 2013-04-24 | 浙江亚特电器有限公司 | Brushless motor for chain saw |
| CN104533833A (en) * | 2014-12-12 | 2015-04-22 | 珠海格力电器股份有限公司 | Multi-duct volute fan and air duct system |
| CN204591719U (en) * | 2015-03-31 | 2015-08-26 | 苏州市润豪电机有限公司 | Vacuum cleaner brush DC electric fan |
-
2016
- 2016-06-20 CN CN201610440037.5A patent/CN105917988A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101668616A (en) * | 2007-02-26 | 2010-03-10 | 佩朗股份有限公司 | Static cooling electric chain saw and method used to achieve said cooling |
| CN102741024A (en) * | 2010-02-11 | 2012-10-17 | 胡斯华纳有限公司 | Battery driven electric power tool with brushless motor |
| CN103066753A (en) * | 2012-12-19 | 2013-04-24 | 浙江亚特电器有限公司 | Brushless motor for chain saw |
| CN104533833A (en) * | 2014-12-12 | 2015-04-22 | 珠海格力电器股份有限公司 | Multi-duct volute fan and air duct system |
| CN204591719U (en) * | 2015-03-31 | 2015-08-26 | 苏州市润豪电机有限公司 | Vacuum cleaner brush DC electric fan |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175724A (en) * | 2016-03-10 | 2017-09-19 | 株式会社牧田 | Chain saw |
| CN114193557A (en) * | 2020-09-02 | 2022-03-18 | 南京德朔实业有限公司 | Chain saw |
| CN114193557B (en) * | 2020-09-02 | 2023-04-07 | 南京泉峰科技有限公司 | Chain saw |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 213000 Jiangsu province Changzhou Xingang Tower Road Economic Development Zone No. 65-1 Applicant after: Gelibo (Jiangsu) Co.,Ltd. Address before: 213023 Jiangsu city in Changzhou Province Economic Development Zone Xingang Zhonglou District Tower Road No. 65 Applicant before: CHANGZHOU GLOBE Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |
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| RJ01 | Rejection of invention patent application after publication |