CN211221092U - Brushless motor electric chain saw - Google Patents
Brushless motor electric chain saw Download PDFInfo
- Publication number
- CN211221092U CN211221092U CN201921881938.3U CN201921881938U CN211221092U CN 211221092 U CN211221092 U CN 211221092U CN 201921881938 U CN201921881938 U CN 201921881938U CN 211221092 U CN211221092 U CN 211221092U
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- brushless motor
- housing
- chain saw
- electric chain
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Abstract
The utility model discloses a brushless motor electric chain saw, which comprises a housing, wherein the front end of the housing is provided with a chain guide plate and a chain, the interior of the housing is provided with a brushless motor and a controller, the power output end of the brushless motor drives the chain to move through a transmission mechanism, the rear end of the housing is provided with a control handle, the control handle is provided with a switch for controlling the opening and closing of the electric chain saw, the rear end of the control handle is detachably provided with a power supply structure, and the power supply structure is electrically connected with the brushless motor for supplying power to the brushless motor; the power supply structure can be a lithium battery pack or a battery pack switching port, a switching circuit is arranged in the battery pack switching port, a socket used for being connected with an external battery for supplying power is arranged on the battery pack switching port, and when the battery pack switching port is installed on the electric chain saw, an external direct-current power supply can be connected through the battery pack switching port. The utility model has the advantages of brushless motor is small, the security performance is high, long service life, efficient, duration is strong, extensive applicability.
Description
Technical Field
The utility model relates to an electronic garden instrument technical field especially relates to a brushless electric chain saw.
Background
In order to protect the tree growth and the greening environment, garden workers need to frequently trim the trees and remove redundant branches. Among the prior art, the gasoline saw is usually used in the felling and pruning of outdoor realization minor diameter trees, and the gasoline saw includes the engine, drive mechanism, chain guide, and chain guide sets up the chain that is used for the cutting, during the use, through manual start gasoline engine, then drive mechanism drives the chain and rotates and realize cutting work. The existing gasoline saw uses a gasoline engine as power, and has the following problems:
1. the conversion efficiency is low, and the environmental pollution is serious;
2. the use noise is large, and noise pollution is caused to the periphery;
3. the mechanical structure is easy to wear and has short service life;
4. the whole machine is large in size and not light enough to operate.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims at providing an use brushless motor + lithium cell package/battery package switching mouth as the brushless electric chain saw of power unit, when using the battery package switching mouth, the electric chain saw can pass through outside DC power supply/battery power supply, has advantages such as motor wearing and tearing are little, the security performance is high, long service life and duration are strong.
In order to achieve the above object, the utility model discloses a technical scheme be: the utility model provides a brushless motor electric chain saw, includes the casing, the front end of casing is provided with the chain guide, install the chain on the chain guide, the internally mounted of casing has brushless motor and controller, brushless motor's power take off end passes through the drive mechanism drive the chain motion, brake valve lever is installed to the rear end of casing, the last switch that sets up of brake valve lever, switch electrical connection the controller is used for opening and closing of control electric chain saw, power structure is installed to brake valve lever's rear end detachably, power structure electrical connection brushless motor is used for its power supply.
Preferably, the power supply structure can be a lithium battery pack or a battery pack adapter, and when the lithium battery pack is installed on the electric chain saw, the brushless motor is powered by the lithium battery pack; the inside of battery package switching mouth is provided with switching circuit, set up the socket that is used for connecting outside DC power supply on the battery package switching mouth, the installation of electric chain saw during the battery package switching mouth, can be through outside DC power supply is connected to the socket is the brushless motor power supply.
Preferably, the rear end of brake valve lever sets up the draw-in groove structure, the power structure passes through the draw-in groove structure peg graft in brake valve lever is last, set up the metal inserted sheet in the draw-in groove structure, the metal inserted sheet welds brushless motor's power cord even, the power structure inserts behind the draw-in groove structure, through metal inserted sheet electrical connection brushless motor is its power supply.
Preferably, brushless motor and controller arrange side by side in the inside of casing, one side that the controller is close to the casing sets up the fin, correspond on the casing the position of fin sets up first air intake, the position that corresponds brushless motor rear end housing on the casing sets up the second air intake, the position that corresponds brushless motor front end housing on the casing sets up the air outlet.
Preferably, the control handle comprises a handheld part positioned at the upper part and a placing part positioned at the lower part, the switch is mounted on the handheld part, a first wire slot is formed in the handheld part, and a switch wire of the controller is embedded in the first wire slot; a second wire groove is formed in the placing portion, and a power line of the brushless motor is buried in the second wire groove.
Preferably, the inside of casing sets up and is used for the installation brushless motor's motor draw-in groove with be used for the installation the controller draw-in groove of controller, brushless motor card is gone into its output shaft stretches out behind the motor draw-in groove the casing directly links to each other with transmission structure, drive mechanism pass through the bolt install in one side of casing, the bolt is including setting up in the anterior first bolt and setting up in the second bolt at rear portion, first bolted connection drive mechanism with the front portion of casing, the second bolt will the rear portion, brake valve lever and the drive mechanism of casing link together.
Preferably, the front end of the casing is further provided with an operating handle, and the front end of the operating handle is provided with a baffle.
The utility model has the advantages that: 1. the motor has small abrasion, high safety performance and long service life; 2. the power supply device can simultaneously support two power supply modes of a lithium battery pack and an external direct-current power supply, greatly improve the application range and enhance the cruising ability; 3. the power supply structure is arranged at the rear part of the electric chain saw, so that the cable is convenient to connect, and the operation is not interfered.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
fig. 2 is an exploded view of a control part in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a battery pack adapter according to an embodiment of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1 to 3, an embodiment of the present invention includes:
the utility model provides a brushless motor electric chain saw, includes casing 1, the front end of casing 1 is provided with chain guide 2, install chain 3 on the chain guide 2, the internally mounted of casing 1 has brushless motor 10 and controller 11, and brushless motor 10 arranges side by side with controller 11 in the inside of casing 1, one side that controller 11 is close to casing 1 sets up fin 12, correspond on the casing 1 the position of fin 12 sets up first air intake 101, the position that corresponds brushless motor 10 rear end housing on the casing 1 sets up second air intake 102, the position that corresponds brushless motor 10 front end housing on the casing 1 sets up the air outlet (not shown in the figure). The output end of the brushless motor 10 drives the chain 3 to move through the gear box 4, the rear end of the casing 1 is provided with a control handle 5, the control handle 5 comprises a handheld part 501 positioned at the upper part and a placing part 502 positioned at the lower part, a switch 9 is arranged on the handheld part 501, a switch wire of the controller 11 is electrically connected with the switch 9 for controlling the opening and closing of the electric chain saw, a first wire slot is arranged in the handheld part 501, and the switch wire of the controller 11 is embedded in the first wire slot; the utility model discloses a brushless motor, including mounting portion 502, slot structure 503, power structure, metal inserted sheet electric connection, brushless motor 10 is used for its power supply behind slot structure 503, establishes the second wire casing in mounting portion 502, brushless motor 10's power cord bury underground in the second wire casing, control handle 5's rear end sets up slot structure 503, power structure passes through slot structure 503 pegs graft in control handle 5's rear end, set up the metal inserted.
The power supply structure can be a lithium battery pack 6 or a battery pack adapter 13, and when the lithium battery pack 6 is inserted into the slot structure 503, the lithium battery pack 6 supplies power to the electric chain saw, so that cordless operation can be performed; the inside of battery package adapter 13 sets up the switching circuit, and battery package adapter 13 rear end sets up the socket 1301 that is used for connecting outside DC power supply, and when will battery package adapter 13 inserts draw-in groove structure 503, can pass through outside DC power supply is connected to socket 1301, and outside DC power supply is again through the switching circuit for brushless motor 10 supplies power.
The inside of casing 1 sets up and is used for the installation brushless motor 10's motor draw-in groove with be used for the installation controller 11's controller draw-in groove, brushless motor 10 card is gone into its output shaft stretches out behind the motor draw-in groove the casing is direct to be connected with 4 transmissions of gear box, gear box 4 pass through the bolt install in one side of casing 1, the bolt is including setting up in anterior first bolt 14 and setting up in the second bolt 15 at rear portion, first bolt 14 is connected gear box 4 with the front portion of casing 1, second bolt 15 will rear portion, brake valve lever 5 and the gear box of casing 1 link together.
The front end of the machine shell 1 is further provided with an operating handle 7, and the front end of the operating handle 7 is provided with a baffle 8.
The machine shell 1 is formed by connecting an upper part 101 of the machine shell and a lower part 102 of the machine shell through a clamping groove matching structure; the control handle 5 is formed by connecting the left part of the handle and the right part of the handle through a clamping groove matching structure.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a brushless motor electric chain saw, its characterized in that, includes the casing, the front end of casing is provided with chain guide, install the chain on the chain guide, the internally mounted of casing has brushless motor and controller, brushless motor's power take off end passes through the drive mechanism drive the chain motion, brake valve lever is installed to the rear end of casing, brake valve lever is last to set up switch structure, switch structure electrical connection the controller is used for opening and closing of control electric chain saw, power structure is installed to brake valve lever's rear end detachably, power structure electrical connection brushless motor is used for its power supply.
2. The brushless motor electric chain saw of claim 1, wherein the power structure is a lithium battery pack or a battery pack adapter, and the electric chain saw is configured to supply power to the brushless motor through the lithium battery pack when the lithium battery pack is installed; the inside of battery package switching mouth is provided with switching circuit, set up the socket that is used for connecting outside DC power supply on the battery package switching mouth, the installation of electric chain saw during the battery package switching mouth, can be through outside DC power supply is connected to the socket is the brushless motor power supply.
3. The brushless motor electric chain saw of claim 1, wherein a slot structure is disposed at a rear end of the control handle, the power structure is connected to the control handle through the slot structure, a metal insert is disposed in the slot structure, the metal insert is welded to a power line of the brushless motor, and the power structure is electrically connected to the brushless motor through the metal insert to supply power to the brushless motor after being inserted into the slot structure.
4. The brushless motor electric chain saw of claim 1, wherein the brushless motor and the controller are arranged side by side inside the housing, the controller is provided with a heat sink near one side of the housing, a first air inlet is provided on the housing corresponding to the heat sink, a second air inlet is provided on the housing corresponding to the rear end cap of the brushless motor, and an air outlet is provided on the housing corresponding to the front end cap of the brushless motor.
5. The brushless motor electric chain saw of claim 1, wherein the control handle comprises a hand-held portion at an upper portion and a placement portion at a lower portion, the switch is mounted on the hand-held portion, a first wire slot is formed in the hand-held portion, and a switch wire of the controller is embedded in the first wire slot; a second wire groove is formed in the placing portion, and a power line of the brushless motor is buried in the second wire groove.
6. The brushless motor electric chain saw of claim 1, wherein a motor slot for mounting the brushless motor and a controller slot for mounting the controller are arranged in the housing, the brushless motor is clamped in the motor slot, an output shaft of the brushless motor extends out of the housing to be directly connected with a transmission mechanism, the transmission mechanism is mounted on one side of the housing through a bolt, the bolt comprises a first bolt arranged on the front portion and a second bolt arranged on the rear portion, the first bolt is used for connecting the transmission mechanism with the front portion of the housing, and the second bolt is used for connecting the rear portion of the housing, the control handle and the transmission mechanism together.
7. The brushless motor electric chain saw of claim 1, wherein the front end of the housing is further provided with an operating handle, and a baffle is provided at the front end of the operating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921881938.3U CN211221092U (en) | 2019-11-04 | 2019-11-04 | Brushless motor electric chain saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921881938.3U CN211221092U (en) | 2019-11-04 | 2019-11-04 | Brushless motor electric chain saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211221092U true CN211221092U (en) | 2020-08-11 |
Family
ID=71938582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921881938.3U Active CN211221092U (en) | 2019-11-04 | 2019-11-04 | Brushless motor electric chain saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211221092U (en) |
-
2019
- 2019-11-04 CN CN201921881938.3U patent/CN211221092U/en active Active
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