CN211982772U - Electric saw device for cutting branches - Google Patents
Electric saw device for cutting branches Download PDFInfo
- Publication number
- CN211982772U CN211982772U CN201922473589.8U CN201922473589U CN211982772U CN 211982772 U CN211982772 U CN 211982772U CN 201922473589 U CN201922473589 U CN 201922473589U CN 211982772 U CN211982772 U CN 211982772U
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- shaft
- reciprocating
- power
- motor
- conversion unit
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- Expired - Fee Related
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Abstract
The utility model discloses an electric saw device for cutting branch. The electric saw device includes: the power unit comprises a motor, and the motor outputs power through a flexible shaft; a handle unit which is a hollow rod-shaped handle; and the power conversion unit is used for converting the rotating force of the flexible shaft into reciprocating force. The saw blade is arranged on a power output shaft of the power conversion unit; the power conversion unit is arranged at the lower half part of the hollow rod-shaped handle; the handle of the saw blade is arranged at the upper half part of the hollow rod-shaped handle and is connected with the power output shaft of the power conversion unit; when the motor drives the cylindrical cam shaft to rotate through the flexible shaft, the reciprocating curved track groove drives the reciprocating shaft barrel to do reciprocating motion through the rolling shaft. The utility model discloses utilize the motor to drive the flexible axle to utilize power conversion unit to convert the rotary motion into reciprocating motion, thereby realize the electric saw that is driven by the flexible axle to saw the branch. It has the flexibility to transmit the vibration of the motor operation to the saw blade.
Description
Technical Field
The utility model relates to an electric saw.
Background
In life, the situation that the branches need to be sawed off is often met. At present, a manual saw is usually adopted for sawing off branches, when the branches are sawed, a person needs to pull the saw back and forth to saw off the branches, and the manual saw is particularly labor-consuming. The chain saw is labor-saving, adopts gasoline to drive the engine, and then utilizes the engine to drive the saw chain saw branches, although the chain saw is labor-saving, the price is high, the maintenance is troublesome, and the environment is polluted.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide an electric saw device for cutting branches.
To achieve the above object, the utility model discloses an electric saw device for cutting branch, include:
the power unit comprises a motor, and the motor outputs power through a flexible shaft;
a handle unit which is a hollow rod-shaped handle;
and the power conversion unit is used for converting the rotating force of the flexible shaft into reciprocating force.
The saw blade is arranged on a power output shaft of the power conversion unit;
the power conversion unit is arranged at the lower half part of the hollow rod-shaped handle; the handle of the saw blade is arranged at the upper half part of the hollow rod-shaped handle and is connected with the power output shaft of the power conversion unit;
wherein, the power conversion unit includes:
the device comprises a hollow cylindrical shell, a cylindrical camshaft, a reciprocating curve track groove and a reciprocating curve track groove, wherein the cylindrical camshaft is arranged in the shell; a reciprocating shaft cylinder is sleeved outside the cylindrical camshaft, and a rolling shaft is arranged on the reciprocating shaft cylinder corresponding to the reciprocating curve track groove; the rolling shaft is arranged in the reciprocating curve track groove in a rolling mode;
the power output end of the flexible shaft is in transmission connection with the rotating shaft;
the other end of the reciprocating shaft cylinder is connected with a handle of the saw blade;
when the motor drives the cylindrical cam shaft to rotate through the flexible shaft, the reciprocating curved track groove drives the reciprocating shaft barrel to do reciprocating motion through the rolling shaft.
Wherein, the power unit includes: the battery driving device comprises a shell, wherein a battery, a driving circuit board and a driving motor are arranged in the shell; a screw hole is formed in the shell on one side of the motor shaft, and the outer sleeve of the flexible shaft is in threaded connection with the screw hole; a quadrilateral or hexagonal blind hole is formed in the center of the motor shaft, a quadrilateral or hexagonal connecting column is arranged at one end of the flexible shaft corresponding to the blind hole, and the connecting column is inserted into the blind hole.
The utility model discloses utilize the motor to drive the flexible axle to utilize power conversion unit to convert the rotary motion into reciprocating motion, thereby realize the electric saw that is driven by the flexible axle to saw the branch. It has the flexibility to transmit the vibration of the motor operation to the saw blade.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a reciprocating schematic view of the saw blade of the embodiment shown in FIG. 1.
FIG. 3 is a schematic cross-sectional view of the shuttle cartridge of FIG. 1.
FIG. 4 is a bottom view of FIG. 3;
fig. 5 is a schematic structural view of the cylindrical camshaft of fig. 1.
Fig. 6 is a left side view of fig. 5.
Detailed Description
As shown in the figure, the utility model discloses an electric saw device for cutting branch, include:
a power unit 1 comprising: the device comprises a shell, a battery 11, a driving circuit board 12 and a driving motor 13 are arranged in the shell; a screw hole is arranged on the shell at one side of the shaft 131 of the motor, and the outer sleeve of the flexible shaft is screwed in the screw hole; a quadrilateral or hexagonal blind hole is formed in the center of the motor shaft, a quadrilateral or hexagonal connecting column is arranged at one end of the flexible shaft corresponding to the blind hole, and the connecting column is inserted into the blind hole.
A handle unit 2 which is a hollow rod-shaped handle;
and the power conversion unit is used for converting the rotating force of the flexible shaft into reciprocating force.
The saw blade 4 is arranged on a power output shaft of the power conversion unit;
the power conversion unit is arranged at the lower half part of the hollow rod-shaped handle; the handle 41 of the saw blade is arranged at the upper half part of the hollow rod-shaped handle and is connected with a power output shaft 321 of the power conversion unit; the power take-off shaft 321 is a non-rotating shaft, and therefore, in order to restrict its rotation, the cross section of its shaft may be square or polygonal.
Wherein, the power conversion unit includes:
a hollow cylindrical housing in which a cylindrical camshaft 31 is provided, and a circumferential side cylindrical surface of the cylindrical camshaft is provided with a reciprocating curved track groove 311; a reciprocating shaft cylinder 32 is sleeved outside the cylindrical camshaft, and a rolling shaft 322 is arranged on the reciprocating shaft cylinder 32 corresponding to the reciprocating curve track groove; the rolling shaft is arranged in the reciprocating curve track groove in a rolling mode; in order to prolong the long-term friction between the two and reduce the service life, the rolling shaft can be sleeved with a bearing matched with the reciprocating curve track slot 311.
The power output end of the flexible shaft 5 is in transmission connection with the cylindrical camshaft;
the power output end 321 of the reciprocating shaft cylinder is connected with the handle 41 of the saw blade;
when the motor drives the cylindrical cam shaft 31 to rotate through the flexible shaft 5, the reciprocating curved track groove drives the reciprocating shaft barrel to do reciprocating motion through the rolling shaft. Thereby driving the saw blade to reciprocate back and forth to saw branches.
Claims (2)
1. A power saw device for cutting branches, said power saw device comprising:
the power unit comprises a motor, and the motor outputs power through a flexible shaft;
a handle unit which is a hollow rod-shaped handle;
the power conversion unit is used for converting the rotating force of the flexible shaft into reciprocating force;
the saw blade is arranged on a power output shaft of the power conversion unit;
the power conversion unit is arranged at the lower half part of the hollow rod-shaped handle; the handle of the saw blade is arranged at the upper half part of the hollow rod-shaped handle and is connected with the power output shaft of the power conversion unit;
wherein, the power conversion unit includes:
the device comprises a hollow cylindrical shell, a cylindrical camshaft, a reciprocating curve track groove and a reciprocating curve track groove, wherein the cylindrical camshaft is arranged in the shell; a reciprocating shaft cylinder is sleeved outside the cylindrical camshaft, and a rolling shaft is arranged on the reciprocating shaft cylinder corresponding to the reciprocating curve track groove; the rolling shaft is arranged in the reciprocating curve track groove in a rolling mode;
the power output end of the flexible shaft is in transmission connection with the rotating shaft;
the other end of the reciprocating shaft cylinder is connected with a handle of the saw blade;
when the motor drives the cylindrical cam shaft to rotate through the flexible shaft, the reciprocating curved track groove drives the reciprocating shaft barrel to do reciprocating motion through the rolling shaft.
2. An electric saw device for cutting branches as defined in claim 1, wherein said power unit comprises: the battery driving device comprises a shell, wherein a battery, a driving circuit board and a driving motor are arranged in the shell; a screw hole is formed in the shell on one side of the motor shaft of the driving motor, and the outer sleeve of the flexible shaft is in threaded connection with the screw hole; a quadrilateral or hexagonal blind hole is formed in the center of a motor shaft of the driving motor, a quadrilateral or hexagonal connecting column is arranged at one end of the flexible shaft corresponding to the blind hole, and the connecting column is inserted into the blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473589.8U CN211982772U (en) | 2019-12-31 | 2019-12-31 | Electric saw device for cutting branches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473589.8U CN211982772U (en) | 2019-12-31 | 2019-12-31 | Electric saw device for cutting branches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211982772U true CN211982772U (en) | 2020-11-24 |
Family
ID=73428858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922473589.8U Expired - Fee Related CN211982772U (en) | 2019-12-31 | 2019-12-31 | Electric saw device for cutting branches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211982772U (en) |
-
2019
- 2019-12-31 CN CN201922473589.8U patent/CN211982772U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 Termination date: 20211231 |