CN210580146U - Pruner blade drive structure - Google Patents
Pruner blade drive structure Download PDFInfo
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- CN210580146U CN210580146U CN201921336852.2U CN201921336852U CN210580146U CN 210580146 U CN210580146 U CN 210580146U CN 201921336852 U CN201921336852 U CN 201921336852U CN 210580146 U CN210580146 U CN 210580146U
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- driving
- gear
- pruner
- driving motor
- upper shell
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Abstract
In order to reduce the volume of the pruner blade driving mechanism, the utility model provides a pruner blade driving structure, which comprises an upper shell, a lower shell, a driving motor and a speed reducing mechanism which are arranged up and down; the upper shell and the lower shell surround to form a containing cavity for containing the speed reducing mechanism, the upper shell is provided with an opening, the driving motor is connected with the upper shell, and the output end of the driving motor is positioned in the containing cavity; the speed reducing mechanism comprises a driving gear and a transmission shaft, wherein a first transmission gear and a second transmission gear are arranged on the transmission shaft, the first transmission gear is in contact with the output end of the driving motor, and the second transmission gear is in contact with the driving gear. This application reduces speed through the two-stage gear, has reduced pruner blade actuating mechanism's volume, improves pruner pruning efficiency.
Description
Technical Field
The utility model relates to a pruner technical field especially relates to a pruner blade drive structure.
Background
The pruner utilizes a storage battery to provide power, two blades which move relatively are driven by a control device, a motor and the like to prune or prune branches and leaves of shrubs and the like, the rotating speed of the existing motor is generally 15000r/min, and if the blades are directly driven to rotate by the motor, the rotating speed of the blades is too high, so that the quality of the blades is influenced, and serious safety problems are caused; the motor needs to be connected with the blade after being decelerated by the deceleration mechanism, a common deceleration mode adopts a planetary mechanism, so that the pruner is inconvenient to operate due to a huge structure, the traditional technology is improved, and a gear is inconvenient to support on a pruner shell, so that a technician in the field still changes the planetary mechanism, for example, the pruner disclosed in Chinese patent document CN201721723993.0 selects a planetary deceleration mode and a driving mechanism is externally connected with a blade device, but the structure also has the phenomenon of large gear transmission structure, for example, when a 600mm long blade is installed at the front end, the general outline dimension of the driving mechanism is about 135mm, 125mm and 45 mm; and the volume of the driving mechanism is increased to cause the whole volume of the pruner to be increased, thereby reducing the operation efficiency.
SUMMERY OF THE UTILITY MODEL
In order to reduce pruner blade actuating mechanism's volume, the utility model provides a pruner blade drive structure, its aim at reduces the whole volume of pruner, improves pruner pruning efficiency.
The utility model discloses a realize like this: a pruner blade driving structure comprises an upper shell, a lower shell, a driving motor and a speed reducing mechanism which are arranged up and down; the upper shell and the lower shell surround to form a containing cavity for containing the speed reducing mechanism, the upper shell is provided with an opening, the driving motor is connected with the upper shell, and the output end of the driving motor is positioned in the containing cavity; the speed reducing mechanism comprises a driving gear and a transmission shaft, wherein a first transmission gear and a second transmission gear are arranged on the transmission shaft, the first transmission gear is in contact with the output end of the driving motor, and the second transmission gear is in contact with the driving gear.
In the specific implementation of the blade device, the upper shell and the lower shell form a shell of a driving structure after being surrounded, a containing cavity is formed in the shell, an opening is further formed in the side face of the shell, the speed reducing mechanism is placed in the containing cavity, and the blade device is connected with the speed reducing device through the opening in the side face of the shell; in the application, a driving motor is arranged on an upper shell, wherein the upper shell is integrally provided with an opening, the edge of the opening is also provided with a connecting hole, the driving motor and the upper shell are fastened together by penetrating through the connecting hole through a bolt assembly, the output end of the driving motor is positioned in an accommodating cavity of the shell, and the output end is connected with an output gear through key connection or other conventional modes; the speed reducing mechanism comprises a driving gear and a transmission shaft, the driving gear is fixed in a containing cavity between an upper shell and a lower shell through a first connecting shaft, two ends of the first connecting shaft are respectively abutted against the upper shell and the lower shell, the first connecting shaft is sleeved with the driving gear and a blade device, and the driving gear and the blade device are both rotatably connected with the first connecting shaft; the transmission shaft is of a hollow structure, a first transmission gear and a second transmission gear are integrally arranged on the transmission shaft, a second connecting shaft is further arranged in the containing cavity, two ends of the second connecting shaft are also abutted to the upper shell and the lower shell, and the transmission shaft is sleeved on the second connecting shaft and is in rotating connection with the second connecting shaft; the first transmission gear is meshed with an output gear at the output end of the driving motor, and the second transmission gear is meshed with the driving gear.
When the driving motor rotates under the drive of the power supply, the speed is reduced for the first time through the output gear and the first transmission gear which are meshed with each other, then the speed is reduced for the second time through the second transmission gear and the driving gear which are meshed with each other, and finally the speed is output through the blade device.
Drawings
Fig. 1 is an assembly schematic view of a pruner blade driving structure according to an embodiment of the present invention;
fig. 2 is an exploded view of a driving structure of a pruner blade according to an embodiment of the present invention;
in the figure: the cutting device comprises an upper shell 1, an opening 101, a cover plate 102, a lower shell 2, a driving motor 3, a driving gear 401, a first transmission gear 402, a second transmission gear 403, a limiting device 5 and a blade device 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
The utility model discloses in the concrete use, as shown in fig. 1-2, the utility model discloses a realize like this: a pruner blade driving structure comprises an upper shell 1, a lower shell 2, a driving motor 3 and a speed reducing mechanism which are arranged up and down; an accommodating cavity for accommodating the speed reducing mechanism is formed by the upper shell 1 and the lower shell 2 in a surrounding manner, the upper shell 1 is provided with an opening 101, the driving motor 3 is connected with the upper shell 1, and the output end of the driving motor 3 is positioned in the accommodating cavity; the speed reducing mechanism comprises a driving gear 401 and a transmission shaft, wherein a first transmission gear 402 and a second transmission gear 403 are arranged on the transmission shaft, the first transmission gear 402 is in contact with the output end of the driving motor 3, and the second transmission gear 403 is in contact with the driving gear 401.
In the application, the power supply of the driving motor 3 can be supplied by commercial power or a storage battery, and the power supply mode is the same as the power supply mode of the motor of the existing pruner, which is not a protection point of the application, so detailed description is not needed; when the driving motor 3 rotates under the driving of the power supply, the speed is reduced for the first time through the meshed output gear and the first transmission gear 402, then the speed is reduced for the second time through the meshed second transmission gear 403 and the driving gear 401, and finally the speed is output through the blade device 6.
In the specific implementation of the present application, also taking as an example the blade device 6 for mounting a 600mm long blade, the external dimension of the driving mechanism of the present application is 97mm by 64mm by 35 mm; the volume of the driving mechanism is greatly reduced, the whole volume of the pruning machine is reduced, and the pruning efficiency of the pruning machine is improved.
In the application, the first transmission gear 402 and the second transmission gear 403 are arranged up and down, and the driving motor 3 is also arranged above the driving gear 401, so that the structure is more compact, and the overall volume is reduced; the driving motor 3 is arranged above the driving gear 401, and the center of gravity position of the pruner is also adjusted conveniently.
Further, in the present application, in order to improve the life of the reduction mechanism, each rotating portion is provided with lubricating oil or grease, and in order to prevent the lubricating oil from splashing and affecting the cutting of the blade, an oil baffle plate is integrated on the lower housing 2 in the present application.
Further, in the present application, the cover plate 102 is extended from the upper housing 1, wherein the extending direction is consistent with the installation direction of the blade device 6, so as to protect the blade, prevent the branches and leaves from splashing after trimming, protect the clear and wide visual field of the operator, and improve the safety of the operation.
Further, in order to facilitate the connection of the driving device with the pruner housing, in the present application the upper housing 1 and/or the lower housing 2 are provided with a limiting device 5, wherein the limiting device 5 may be a protrusion or a boss, by providing a corresponding recess on the pruner housing, so as to facilitate the installation of the driving device of the present application.
Although the present invention has been described and illustrated in detail with reference to specific embodiments thereof, it should be understood that various equivalent changes and modifications can be made therein in accordance with the present invention, and the functional effects thereof are not beyond the spirit of the present invention.
Claims (4)
1. A pruner blade driving structure is characterized by comprising an upper shell (1), a lower shell (2), a driving motor (3) and a speed reducing mechanism which are arranged up and down; the upper shell (1) and the lower shell (2) surround to form a containing cavity for containing the speed reducing mechanism, the upper shell (1) is provided with an opening (101), the driving motor (3) is connected with the upper shell (1), and the output end of the driving motor (3) is positioned in the containing cavity; the speed reducing mechanism comprises a driving gear (401) and a transmission shaft, wherein a first transmission gear (402) and a second transmission gear (403) are arranged on the transmission shaft, the first transmission gear (402) is in contact with the output end of the driving motor (3), and the second transmission gear (403) is in contact with the driving gear (401).
2. The pruner blade driving structure according to claim 1, wherein said lower housing (2) is provided with an oil baffle.
3. The pruner blade driving structure according to claim 1 or 2, wherein said upper housing (1) is provided with a cover plate (102) extending therefrom.
4. The pruner blade driving structure according to claim 1 or 2, wherein said upper housing (1) and/or lower housing (2) is provided with a limiting means (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921336852.2U CN210580146U (en) | 2019-08-16 | 2019-08-16 | Pruner blade drive structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921336852.2U CN210580146U (en) | 2019-08-16 | 2019-08-16 | Pruner blade drive structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210580146U true CN210580146U (en) | 2020-05-22 |
Family
ID=70701793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921336852.2U Active CN210580146U (en) | 2019-08-16 | 2019-08-16 | Pruner blade drive structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210580146U (en) |
-
2019
- 2019-08-16 CN CN201921336852.2U patent/CN210580146U/en active Active
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