CN217183971U

CN217183971U - Lightweight electric pole pruning saw

Info

Publication number: CN217183971U
Application number: CN202220427952.1U
Authority: CN
Inventors: 姚海滨; 蒋涛; 朱晨; 刘西营; 赵锐; 刘宗杰; 林浩然; 夏明光; 王悦; 孟凡强
Original assignee: Jining Power Supply Co
Current assignee: Jining Power Supply Co
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-16
Anticipated expiration: 2032-02-28

Abstract

The utility model provides a lightweight electric pole pruning saw, which comprises a saw head, an operating rod connector, an operating rod and an operating handle which are connected in sequence; the saw head is rotatably connected to the operating rod connecting head; the operating rod connector comprises a locking handle, a saw head connector and an operating rod connector, the saw head connector and the operating rod connector are respectively provided with a first protrusion and a first groove which are matched, the fixed end of the locking handle is in through connection with the first protrusion and the first groove, the locking handle is used for adjusting clamping force between the first protrusion and the first groove, and relative angle adjustment of the saw head connector and the operating rod connector is achieved. The utility model discloses improve the structure of branches of tall trees saw, reduced the weight of branches of tall trees saw, make the saw head can adjust wantonly, improved the efficiency of work and the travelling comfort of work.

Description

Lightweight electric pole pruning saw

Technical Field

The utility model relates to a relevant technical field of cutting means, specific theory relates to an electronic branches of tall trees saw of lightweight.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

In daily work, occasions for using the high branch saw are many, such as felling, nursery pruning, fruit tree pruning, electric power removal of hidden troubles of tree obstacles and the like. The structure of the high branch saw is that an operating rod is connected with a saw head, and the saw head can be extended to a high position to remove high branches of trees. The inventor finds that for the tree obstacles below the centralized processing transmission line of the power system, the existing high-branch saw has some problems, namely, the saw head is fixedly connected to the operating rod, the angle of the saw head cannot be adjusted, or the angle of some saw heads can be adjusted in the plane where the saw head guide plate and the connecting rod are located, and the requirement of 'cutting the head' for tree trimming cannot be met. The existing pole pruning saw is oil-driven or electric, the power and the saw head are respectively arranged at two ends of the operating rod, the transmission rod is arranged in the middle, the whole pole pruning saw has larger weight, is not convenient in working and is easy to cause fatigue.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provided an electronic branches of tall trees saw of lightweight, improved the structure of branches of tall trees saw, reduced the weight of branches of tall trees saw, make saw head angle can adjust in the plane of perpendicular to saw head guide board, satisfy the demand to trees "cut the crew cut". The working efficiency and the working comfort are improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

one or more embodiments provide a lightweight electric pole saw, which comprises a saw head, an operating rod connector, an operating rod and an operating handle, wherein the saw head, the operating rod connector, the operating rod and the operating handle are sequentially connected; the saw head is rotatably connected to the operating rod connecting head;

the operating rod connector comprises a locking handle, a saw head connector and an operating rod connector, wherein a first protrusion and a first groove which are matched with each other are respectively arranged on the saw head connector and the operating rod connector, the fixed end of the locking handle is in through connection with the first protrusion and the first groove, the locking handle is used for adjusting clamping force between the first protrusion and the first groove, and relative angle adjustment of the saw head connector and the operating rod connector is achieved.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses set up the action bars connector, adopted swing joint in the place that saw head and action bars are connected, through the cooperation of first arch and first recess, made the saw head angle adjust in the plane of perpendicular to saw head guide board. Can adjust the saw head and cut when being cut the object like the branch is perpendicular, can satisfy and cut the demand of flat mouthful to trees.

The advantages of the invention, as well as additional aspects, will be described in detail in the following detailed description of exemplary embodiments.

Drawings

The accompanying drawings, which form a part of the specification, are provided to provide a further understanding of the invention, and are included to explain the illustrative embodiments and the description of the invention, and not to constitute a limitation of the invention.

Fig. 1 is a schematic structural view of a pole saw according to an embodiment of the present invention;

FIG. 2 is a partial block diagram of the lopper saw of the embodiment of the present invention;

fig. 3 is a first structural schematic view of the operating rod joint 16 of the pole saw according to the embodiment of the present invention;

fig. 4 is a second structural view of the operating rod joint 16 of the pole saw according to the embodiment of the present invention;

wherein: 1. the saw head 2, the operating rod connector 3, the operating rod 4, the control handle 5 and the battery;

11. the saw blade locking device comprises a saw blade guide plate, 12, an oil can, 13, a pressing device, 14, a saw head joint, 14-1, a first protrusion, 15, a locking handle, 16, an operating rod joint, 16-1, a first groove, 17 and a motor;

210. a first tubular component 211, a plug connector head 212, a plug connector seat 213, a second tubular component 214, a connecting component 215 and a positioning column;

220. first stem 221, first sleeve 222, second projection 223, second sleeve 224, second recess 225, third sleeve 226, second stem.

The specific implementation mode is as follows:

the present invention will be further explained with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the technical solution disclosed in one or more embodiments, as shown in fig. 1 to 4, a lightweight electric pole saw includes a saw head 1, a lever connector 2, a lever 3 and a handle 4, which are connected in sequence; the saw head 1 is rotatably connected to the operating rod connector 2;

the operating rod connector 2 comprises a locking handle 15, a saw head connector 14 and an operating rod connector 16, a first protrusion 14-1 and a first groove 16-1 which are matched with each other are respectively arranged on the saw head connector 14 and the operating rod connector 16, the fixed end of the locking handle 15 penetrates through the first protrusion 14-1 and the first groove 16-1, and the relative angle adjustment of the saw head connector 14 and the operating rod connector 16 is realized by screwing the locking handle 15 to adjust the clamping force of the first protrusion 14-1 and the first groove 16-1.

This embodiment has set up action bars connector 2, adopts swing joint in the place that saw head 1 and action bars 3 are connected, through the cooperation of first arch and first recess for saw head angle can be adjusted in the plane that saw head guide board perpendicular to saw blade was located. The saw head 1 can be adjusted to cut when being perpendicular to a cut object such as a branch, and the requirement of a power system for sawing a flat opening can be met.

In this embodiment, the first protrusion and the first groove are coupled to each other by a fixing shaft, and the first protrusion can rotate in the first groove around the fixing shaft in the direction of the groove. Specifically, the fixed shaft may be a fixed end of the locking handle 15.

Alternatively, the first protrusion 14-1 may be provided on the saw head adapter 14 and the corresponding first recess 16-1 provided on the lever adapter 16, or the first protrusion 14-1 may be provided on the lever adapter 16 and the corresponding first recess 16-1 provided on the saw head adapter 14. The first of these is given in figure 1 of this embodiment.

Optionally, a motor 17 for driving the saw head 1 and a battery 5 are also included, the motor 17 being arranged between the saw head 1 and the lever attachment 2, the motor 17 being electrically connected to the battery 5 via the operating handle 4.

Specifically, in the present embodiment, the motor 17 is configured as a high-power brushless motor.

In the embodiment, the power device adopts the brushless motor with high power and small volume, and the power motor is arranged at the saw head, so that a power transmission rod of the traditional pole pruning saw is removed, and the weight of the saw is further reduced.

In some embodiments, the end of the handle 4 is provided with a slot that matches the shape of the battery 5.

When in use, the battery 5 can be arranged on the control handle 4 at the tail end of the high branch saw or arranged in a separated mode, the battery is buckled at the waist or is backed at the back, and the battery is connected with the saw through a plug by a lead. Different battery setting modes can be selected according to different workloads or preference of operators.

The design of the battery 5 of the embodiment improves the flexibility of the pole pruning saw and can be suitable for different use environments.

Optionally, the saw head 1 comprises a blade guide 11 and a chain saw bar 10 arranged around the blade guide 11. The saw blade guide plate 11 is a light guide plate and is made of light materials. The saw head joint 14 is further provided with a guide plate fixing seat 18, and the guide plate fixing seat 18 is used for rotatably arranging the saw blade guide plate 11.

Further technical scheme still includes lubricating arrangement, and lubricating arrangement sets up at the saw head stiff end, and lubricating arrangement includes oilcan 12, sets up press device 13 on the oilcan, press device is soft material, through pressing out oil, lubricated chain.

When the oil can is used, after the oil can 12 is oiled, the cover is screwed tightly to be closed, the pressing part is made of soft materials, and pressing oil is extruded out.

Optionally, the upper end of the oil can 12 is provided with an oil filling port through which oil is filled, and the cap is screwed after the oil is filled.

In some embodiments, the operation rod joint 16 comprises a fixed seat and an operation rod sub-joint which are connected with each other, wherein the fixed seat is provided with a first groove 16-1 or a first protrusion 14-1, and the operation rod sub-joint is used for connecting the fixed seat and the operation rod 3, or the operation rod sub-joint is used for connecting a plurality of sections of the operation rod 3.

In an achievable technical solution, the operating rod sub-joint comprises a first tubular component 210, a second tubular component 213 and a connecting component 214, the connecting component 214 is provided with an internal thread, the first tubular component 210 is provided with an external thread, the internal thread of the connecting component 214 is matched and connected with the external thread of the first tubular component 210, the second tubular component 213 and the first tubular component 210 are fixedly connected, and the other ends of the second tubular component 213 and the first tubular component 210 are respectively connected with the operating rod 3 to be connected or a fixed seat.

When in use, as shown in fig. 2, the non-threaded end of the first tubular component 210 may be directly matched with the inner cavity of the operating rod or the fixing base, and connected by glue, hot melt, or tight fit.

In this embodiment, the first tubular element 210 and the second tubular element 213 are configured as tubular elements, and a guide wire can be placed through the lumen.

Further, in order to realize the electrical connection of the motor, a connection plug-in is arranged in the operation rod sub-joint, specifically arranged between the first tubular component and the second tubular component, and the connection plug-in comprises a plug-in connector head 211 and a plug-in connector seat 212. When the tubular assembly is connected, the terminal plug is also connected therewith.

Optionally, the second tubular element 213 has a positioning post 215 on its connecting end surface, the first tubular element 210 has a positioning hole, the positioning post 215 is matched with the positioning hole, and the positioning post 215 is matched with the through hole on the plug-in connector head 211 or the plug-in connector base 212.

In use, the positioning post 215 prevents lateral movement between the first tubular assembly 210 and the second tubular assembly 213.

In another implementation, the operation rod sub-joint is a sleeve assembly, specifically, as shown in fig. 3, the operation rod sub-joint includes a first sleeve 221, a second sleeve 223 and a third sleeve 225, the second sleeve 223 and the third sleeve 225 are respectively and fixedly connected to the rod to be connected, and the first sleeve 221 is fixed on the third sleeve 225 after the second sleeve 223 and the third sleeve 225 are connected in a matching manner.

Optionally, the second sleeve 223 is threadably connected to the third sleeve 225.

Further, a second protrusion 222 is disposed on the first sleeve 221, a second groove 224 is disposed on the third sleeve 225, and the second protrusion 222 matches with the second groove 224. The positioning functions to prevent axial movement of the coupler 16.

Specifically, the inner wall of the first sleeve 221 is matched with the outer wall of the first rod 220 to be connected, and the inner wall of the third sleeve 225 is matched with the outer wall of the second rod 226 to be connected. The first rod 220 is an end of the operating rod 3 or a positioning seat, and the second rod 226 is an end of the operating rod 3 or a positioning seat to be connected with the first rod 220.

In some embodiments, the operating rod 3 is made of a light material on the premise of meeting the requirement of mechanical strength, specifically, a carbon fiber tube material can be used, and the tube diameter of the carbon fiber tube material can be selected according to the size of the operating rod joint 16.

In the embodiment, the operating rod 3 is made of a material with high strength and light weight, so that the overall weight of the pole saw is reduced.

In some embodiments, the control handle 4 is provided with a travel switch, which is electrically connected to the motor for controlling the rotation speed of the motor.

Optionally, the control handle 4 is further provided with a micro switch, which is arranged on a connection path between the battery and the motor and used for controlling the connection between the battery and the motor.

Further, still be provided with the pilot lamp on controlling handle 4, the pilot lamp is connected with battery power measuring device electricity for instruct the electric quantity of battery.

The improvement reduces the weight of the pole pruning saw, enables the saw head to be adjusted at will, and improves the working efficiency and the working comfort.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. The utility model provides an electronic branches of tall trees saw of lightweight which characterized in that: comprises a saw head, an operating rod connector, an operating rod and an operating handle which are connected in sequence; the saw head is rotatably connected to the operating rod connecting head;

2. A lightweight electric pole saw as defined in claim 1, wherein: the first bulge is arranged on the saw head joint, and the corresponding operating rod joint is provided with a first groove, or the first bulge is arranged on the operating rod joint, and the corresponding saw head joint is provided with a first groove.

3. A lightweight electric pole saw as defined in claim 1, wherein: the electric saw further comprises a battery and a motor for driving the saw head, the motor is arranged between the saw head and the operating rod connector, and the motor and the control handle are electrically connected with the battery;

alternatively, the motor is a brushless motor.

4. A lightweight electric pole saw as defined in claim 3, wherein: the tail end of the control handle is provided with a clamping groove, and the clamping groove is matched with the shape of the battery;

or a travel switch is arranged on the control handle, and the travel switch is electrically connected with the motor and used for controlling the rotating speed of the motor;

or the control handle is also provided with a microswitch which is arranged on a connecting passage of the battery and the motor and used for controlling the connection of the battery and the motor;

or, still be provided with the pilot lamp on controlling the handle, the pilot lamp is connected with battery power measuring device electricity for instruct the electric quantity of battery.

5. A lightweight electric pole saw as defined in claim 1, wherein: the saw head comprises a saw blade guide plate and a chain saw bar arranged on the periphery of the saw blade guide plate.

6. A lightweight electric pole saw as defined in claim 1, wherein: the saw bit fixing device comprises a saw bit fixing end, a saw bit fixing end and a saw bit fixing end, wherein the saw bit fixing end is provided with a saw bit fixing hole;

or the upper end of the oil can is provided with an oil filling port.

7. A lightweight electric pole saw as defined in claim 1, wherein: the operating rod joint comprises a fixed seat and an operating rod sub-joint which are connected with each other, a first groove or a first protrusion is arranged on the fixed seat, the operating rod sub-joint is used for connecting the fixed seat and the operating rod, or the operating rod sub-joint is used for connecting a plurality of sections of operating rods.

8. A lightweight electric pole saw as defined in claim 1, wherein: the operating rod sub-joint comprises a first tubular component, a second tubular component and a connecting component, wherein the connecting component is provided with an internal thread, the first tubular component is provided with an external thread, the internal thread of the connecting component is in matching connection with the external thread of the first tubular component, the second tubular component is fixedly connected with the first tubular component after the connecting component is connected, and the other ends of the second tubular component and the first tubular component are respectively connected with an operating rod or a fixing seat to be connected.

9. A lightweight electric pole saw as defined in claim 8, wherein: the connecting plug-in is arranged in the operating rod sub-joint, is particularly arranged between the first tubular component and the second tubular component, and comprises a plug-in head and a plug-in seat;

the positioning column is arranged on the connecting end face of the second tubular component, the positioning hole is formed in the first tubular component, the positioning column is matched with the positioning hole, and the positioning column is matched with the through hole in the plug-in connector head or the plug-in connector seat.

10. A lightweight electric pole saw as defined in claim 1, wherein: the operating rod sub-joint is a sleeve assembly and comprises a first sleeve, a second sleeve and a third sleeve, the second sleeve and the third sleeve are respectively and fixedly connected to a rod piece to be connected, and the first sleeve is fixed on the third sleeve after the second sleeve and the third sleeve are matched and connected;

or the first sleeve is provided with a second bulge, the third sleeve is provided with a second groove, and the second bulge is matched with the second groove.