CN205727220U - A kind of chain saw - Google Patents
A kind of chain saw Download PDFInfo
- Publication number
- CN205727220U CN205727220U CN201620601977.3U CN201620601977U CN205727220U CN 205727220 U CN205727220 U CN 205727220U CN 201620601977 U CN201620601977 U CN 201620601977U CN 205727220 U CN205727220 U CN 205727220U
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- housing
- air inlet
- air
- driving head
- chain saw
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Abstract
The utility model discloses a kind of chain saw, including housing and the driving head be located in housing, described driving head is provided with fan blade, the first air inlet and the second air inlet is had on described housing, the second air inlet is had on described housing, described fan blade rotates and makes extraneous air enter first air inlet formation the first cooling wind, extraneous air enters the second air inlet and forms the second cooling wind, first cooling wind and the second cooling wind air inlet from driving head one end enter driving head inside and the first cooling wind and the second cooling wind are discharged from the air outlet of housing by the fan blade of the driving head other end through driving head.By the way, this utility model chain saw and electric tool thereof, it is possible to increase radiating effect, dispels the heat to motor and panel simultaneously, reduces manufacturing cost.
Description
Technical field
This utility model relates to garden instrument field, particularly relates to a kind of chain saw.
Background technology
Brushless electric machine technology is high due to low-carbon environment-friendly, energy conversion rate, and finds broad application, the most brushless chain
Sawing of a great variety, the design of most wind path 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), this is all traditional motor radiating mode, mainly solves
It is pyrotoxin parts maximum on motor.But the utilization of Novel brushless motor technology has controller part also to need the same of heat radiation
Sample problem, controller needs to be controlled the break-make of the electric current of motor by metal-oxide-semiconductor, and main pyrotoxin also comes from this electronic unit
Frequent operation and the heat that brings, on metal-oxide-semiconductor, generally increase big heat sink material (feature: volume is big and weight) or strengthen
MOS specification (feature: bring for the specification that current requirements is high is the costliness of cost) solves the bad problem that temperature is brought.
Summary of the invention
This utility model is mainly solving the technical problems that provide a kind of chain saw, it is possible to increase radiating effect, simultaneously to electricity
Machine and panel dispel the heat, and reduce manufacturing cost.
For solving above-mentioned technical problem, the technical scheme that this utility model uses is: provide a kind of chain saw, including shell
Body and the driving head being located in housing, described driving head is provided with fan blade, it is characterised in that has first on described housing and enters
Air port and the second air inlet, the rotation of described fan blade makes extraneous air enter the first air inlet and forms the first cooling air channel, outside empty
Gas enters the second air inlet and forms the second cooling air channel, and cold air is first to driving through the first cooling air channel and the second cooling air channel
The air inlet of end enters driving head inside and through driving head by the fan blade of the driving head other end, discharges from the air outlet of housing.
In one preferred embodiment of this utility model, described housing is additionally provided with separator, described separator and housing
Connecting and form air draft spiral case, described fan blade is arranged between separator and housing, and will be cold via the first cooling air channel and second
But the cooling wind in air channel, is discharged from the air outlet of housing by air draft spiral case.
In one preferred embodiment of this utility model, being provided with panel in described housing, described panel is positioned at first
Cooling air channel.
In one preferred embodiment of this utility model, being provided with driving head in described housing, the outer wall of described driving is positioned at
Second cooling air channel.
In one preferred embodiment of this utility model, described first cooling air channel and the second cooling air channel enter at driving head
An air channel is formed at air port.
In one preferred embodiment of this utility model, below described panel, it is provided with heat sink.
In one preferred embodiment of this utility model, described heat sink is metal material, in cellular, netted or riser
Shape.
In one preferred embodiment of this utility model, 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, and described second air inlet is opened in left casing, and described air outlet is located at left machine
The bottom of shell, described fan blade is positioned at left internal side of shell.
In one preferred embodiment of this utility model, described first air inlet, the second air inlet, air outlet and fan blade are equal
It is positioned at the same side of housing.
The beneficial effects of the utility model are: this utility model chain saw, it is possible to increase radiating effect, simultaneously to motor and control
Making sheet is dispelled the heat, be independent of each other between air channel, it is to avoid cause turbulent flow, reduces wind speed and radiating efficiency, reduces manufacturing cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing, wherein:
Fig. 1 is the structural representation of a preferred embodiment of this utility model chain saw；
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, wind
Leaf, the 6, 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 this utility model embodiment will be clearly and completely described below, it is clear that described
Embodiment is only a part of embodiment of the present utility model rather than whole embodiments.Based on the enforcement in this utility model
Example, 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 this utility model protection.
Referring 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, drives
Being provided with fan blade 5, housing 1 has the first air inlet 3 and the second air inlet 4 for dynamic 2, fan blade 5 rotates and makes extraneous air enter
First air inlet 3, forms the first cooling wind 6 via the first cooling air channel, and it is cold via second that extraneous air enters the second air inlet 4
But air channel forms the second cooling wind 7, and the first cooling wind 6 and the second cooling wind 7 air inlet from driving head 2 one end enter driving head
Cooling wind is also discharged from the air outlet 8 of housing 1 by the fan blade 5 of driving head 2 other end by 2 inside 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 at
Between separator 9 and housing 1, and the first cooling wind 6 and the second cooling wind 7 are passed through air draft spiral case air outlet 8 row from housing 1
Go out.
It addition, the second cooling wind 7 enter housing 1 after-blow overdrive 2 outside enter the air inlet of driving head 2 after the completeest
Full blow overdrive 2 inside after blown out by fan blade 5.Second cooling wind 7 first blows to end from driving head 3 front end, is then entering
Entering driving head 3 internal, 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 enter
Row heat radiation.
It addition, be provided with panel 10 in housing 1, the first cooling wind 6 blows over panel 10 to panel 10 after entering housing 1
Driving head 3 is entered after cooling down.Being provided with heat sink 11 below panel 10, heat sink 11 is metal aluminum sheet, cold by first
But panel is preferably dispelled the heat by 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, the second air inlet
4 are 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
Being entered by the first air inlet 3 and form the first cooling wind 6, the second air inlet 4 enters and forms the second cooling wind 7.First cooling wind 6
From panel 10 blow over then by the air inlet of motor to motor internal, the second cooling wind 7 is blown over from outside motor, then from
The air inlet of motor enters motor internal, and last first cooling wind 6 and second cools down wind 7 after motor internal collaborates by fan blade 5
Again blow out.
Being different from prior art, this utility model chain saw and electric tool thereof, it is possible to increase radiating effect, simultaneously to motor
Dispel the heat with panel, reduce manufacturing cost.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Utilize equivalent structure or equivalence flow process conversion that this utility model description made, or be directly or indirectly used in other phase
The technical field closed, is the most in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a chain saw, including housing and the driving head be located in housing, described driving head is provided with fan blade, and its feature exists
In, described housing has the first air inlet and the second air inlet, described fan blade rotates and makes extraneous air enter the first air inlet
Forming the first cooling air channel, extraneous air enters the second air inlet and forms the second cooling air channel, and cold air is through the first cooling air channel
Driving head inside is entered and through driving head by the driving head other end with the air inlet of the second cooling air channel to driving head one end
Fan blade, discharges from the air outlet of housing.
Chain saw the most according to claim 1, it is characterised in that be additionally provided with separator on described housing, described separator and
Housing connects and forms air draft spiral case, and described fan blade is arranged between separator and housing, and will be via the first cooling air channel and the
The cooling wind of two cooling air channels, is 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
First cooling air channel.
Chain saw the most according to claim 1, it is characterised in that be provided with driving head, the outer wall of described driving in described housing
It 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 are driving
Head air inlet forms an air channel.
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 characterised in that described housing include left casing, right casing and upper cover connect and
Becoming, described first air inlet is located at the left side of upper cover, and described second air inlet is opened in left casing, and described air outlet is located at a left side
The bottom of casing, 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-out
Mouth and fan blade are respectively positioned on the same side of housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620601977.3U CN205727220U (en) | 2016-06-20 | 2016-06-20 | A kind of chain saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620601977.3U CN205727220U (en) | 2016-06-20 | 2016-06-20 | A kind of chain saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205727220U true CN205727220U (en) | 2016-11-30 |
Family
ID=57387156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620601977.3U Active CN205727220U (en) | 2016-06-20 | 2016-06-20 | A kind of chain saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205727220U (en) |
-
2016
- 2016-06-20 CN CN201620601977.3U patent/CN205727220U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.65-1 Xinggang Road, Zhonglou Economic Development Zone, Changzhou City, Jiangsu Province Patentee after: Gelibo (Jiangsu) Co., Ltd Address before: 213023 Jiangsu city in Changzhou Province Economic Development Zone Xingang Zhonglou District Tower Road No. 65 Patentee before: CHANGZHOU GLOBE Co.,Ltd. |
|
| CP03 | Change of name, title or address |