CN215380087U

CN215380087U - Brushless lithium electricity chain saw

Info

Publication number: CN215380087U
Application number: CN202121313345.4U
Authority: CN
Inventors: 翟猛
Original assignee: Zhejiang Jinzhida Electrical Co ltd
Current assignee: Zhejiang Jinzhida Electrical Co ltd
Priority date: 2021-06-12
Filing date: 2021-06-12
Publication date: 2022-01-04
Anticipated expiration: 2031-06-12

Abstract

The utility model discloses a brushless lithium-ion electric chain saw, which comprises a shell and an adjusting device, wherein a first limiting groove is formed in one side of the shell, the adjusting device is installed on the inner wall of the first limiting groove, the adjusting device comprises a backing plate, the backing plate is fixedly connected with the inner wall of the shell, a second sliding groove is formed in the joint of the backing plate and the shell, the bottom of the inner wall of the shell is provided with a second limiting groove, and the second limiting groove is mutually connected with the second sliding groove. According to the utility model, the disassembly knob is rotated clockwise, the first screw rod rotates in the limiting plate to loosen the pressing block, the tightness switch is pressed, the first motor drives the second screw rod to rotate, the second screw rod pushes the moving rod to move rightwards, the moving rod pushes the vertical rod to move rightwards, the vertical rod pushes the guide plate to move rightwards through the through hole, the chain is tightly attached to the outer wall of the guide plate by taking the driving shaft as a starting point, the disassembly knob is rotated anticlockwise, the first screw rod rotates in the limiting plate to extrude the guide plate by the pressing block, and the effect of automatically adjusting the tightness of the chain is achieved.

Description

Brushless lithium electricity chain saw

Technical Field

The utility model relates to the technical field of cutting tools, in particular to a brushless lithium-ion electric chain saw.

Background

The common electric chain saw comprises a guide plate cover, a guide plate and a chain, wherein a motor is arranged in the guide plate cover, the rear end of the guide plate can be arranged in the guide plate cover in a back-and-forth moving mode, the rear end of the chain is in power connection with the motor, and the front end of the chain is sleeved at the front end of the guide plate, namely, after the motor works, the chain can be driven to rotate, so that trees and the like can be sawed.

After using a period of time, the chain will inevitably produce deformation and thus lengthen, at this moment, need the tensioning degree of manual regulation chain, and current regulation mode is: the fixing screw of the guide plate is loosened, the guide plate is manually pushed forwards, obviously, the adjusting mode is extremely inconvenient, and the adjusting frequency is high, so that a brushless lithium electric chain saw is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a chain in the prior art is inconvenient to adjust, and provides a brushless lithium-ion electric chain saw.

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

a brushless lithium electric chain saw comprises a shell and an adjusting device, wherein a first limiting groove is formed in one side of the shell, the adjusting device is installed on the inner wall of the first limiting groove, the adjusting device comprises a base plate, the base plate is fixedly connected with the inner wall of the shell, a second sliding groove is formed in the joint of the base plate and the shell, a second limiting groove is formed in the bottom of the inner wall of the shell, the second limiting groove is mutually connected with the second sliding groove, a driving shaft is arranged on the inner wall of the first limiting groove, and the driving shaft is movably connected with the inner wall of the shell;

two inner wall movable mounting of spacing groove have screw rod two, the outer wall threaded connection of screw rod has the carriage release lever, install at two inner walls of spout at the carriage release lever top, the carriage release lever is contactless with two inner walls of spout, carriage release lever right side fixed mounting has the bracing piece, the bracing piece is equipped with two sets ofly, two sets of bracing piece one end fixed mounting has the montant, the montant is 90 perpendicular with the bracing piece.

Preferably, the guide plate is installed on one side of the base plate, the inner wall of the guide plate is provided with a third sliding groove, through holes are formed in two sides of the third sliding groove, the vertical rods are inserted into the inner walls of the through holes, the outer wall of the guide plate is provided with a chain, and one side of the chain is wrapped on the outer wall of the driving shaft.

Preferably, the limiting plate is inserted into the inner wall of the limiting groove, the dismounting knob is installed on the outer side of the limiting plate, a first screw rod is fixedly installed on one side of the dismounting knob, the first screw rod is inserted into the inner wall of the limiting plate, the first screw rod is in threaded connection with the limiting plate, a pressing block is arranged on the inner side of the limiting plate, the pressing block is in threaded connection with one end of the screw rod, the pressing block is in three-contact with the sliding groove, a first sliding groove is formed in the inner side of the limiting plate, and the vertical rod is inserted into the inner wall of the sliding groove.

Preferably, the bottom of the inner wall of the shell is fixedly provided with a first motor, the output end of the first motor is fixedly connected with one end of the screw rod, the top of the first motor is fixedly provided with a second motor, one side of the inner wall of the shell is fixedly provided with a speed reducer, the output end of the second motor is connected with the input end of the speed reducer, and the output end of the speed reducer is fixedly connected with the driving shaft.

Preferably, a battery jar is arranged on the inner wall of the shell, a lithium battery is inserted into the inner wall of the battery jar, and the lithium battery is electrically connected with the first motor and the second motor.

Preferably, shell top fixed mounting has the auxiliary handle, guard plate before auxiliary handle one side fixed mounting has, shell one side fixed mounting has the main handle, the elasticity switch is installed at the main handle top, main handle bottom fixed mounting has starting switch.

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

1. the disassembly knob is rotated clockwise, the first screw rod rotates in the limiting plate, the pressing block is loosened, the tightness switch is pressed, the first motor drives the second screw rod to rotate, the second screw rod pushes the moving rod to move rightwards, the moving rod pushes the vertical rod to move rightwards, the vertical rod pushes the guide plate to move rightwards through the through hole, the chain is tightly attached to the outer wall of the guide plate by taking the driving shaft as a starting point, the disassembly knob is rotated anticlockwise, the first screw rod rotates in the limiting plate, the pressing block extrudes the guide plate, and the tightness of the chain can be automatically adjusted;

2. there is the twist lock through shell top fixed mounting, and guard plate before the fixed mounting of twist lock one side, shell one side fixed mounting have the main handle, and the elasticity switch is installed at the main handle top, and main handle bottom fixed mounting has starting switch, has convenient to use's effect.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of an adjusting device mounting structure of the present invention;

FIG. 3 is a schematic view of a guide plate mounting structure of the present invention;

FIG. 4 is a left side view of the structure of the stopper of the present invention;

FIG. 5 is a schematic cross-sectional view of the housing of the present invention;

FIG. 6 is a schematic view of the structure of the guide plate of the present invention.

In the figure: 100 casing, 110 front protection plate, 120 auxiliary handle, 130 main handle, 140 elastic switch, 141 starting switch, 150 battery jar, 160 lithium battery, 170 limit groove I, 180 limit plate, 190 dismouting knob, 191 spout I, 192 briquetting, 193 screw rod I, 200 adjusting device, 210 backing plate, 220 spout II, 230 limit groove II, 240 screw rod II, 250 carriage bar, 251 bracing piece, 252 montant, 260 drive shaft, 270 motor I, 280 motor II, 281 speed reducer, 290 guide plate, 291 spout III, 292 through-hole, 293 chain.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a brushless lithium electric chain saw comprises a housing 100 and an adjusting device 200, wherein one side of the housing 100 is provided with a first limiting groove 170, the adjusting device 200 is installed on the inner wall of the first limiting groove 170, the adjusting device 200 comprises a cushion plate 210, the cushion plate 210 is fixedly connected with the inner wall of the housing 100, a second sliding groove 220 is formed at the joint of the cushion plate 210 and the housing 100, the bottom of the inner wall of the housing 100 is provided with a second limiting groove 230, the second limiting groove 230 is connected with the second sliding groove 220, the inner wall of the first limiting groove 170 is provided with a driving shaft 260, the driving shaft 260 is movably connected with the inner wall of the housing 100, and the cushion plate 210 and the housing 100 are of an integrated structure;

the second screw 240 is movably mounted on the inner wall of the second limit groove 230, the moving rod 250 is connected to the outer wall of the second screw 240 in a threaded manner, the top of the moving rod 250 is mounted on the inner wall of the second sliding groove 220, the moving rod 250 is not in contact with the inner wall of the second sliding groove 220, the supporting rods 251 are fixedly mounted on the right side of the moving rod 250, the two groups of supporting rods 251 are arranged, one ends of the two groups of supporting rods 251 are fixedly mounted with vertical rods 252, and the vertical rods 252 are 90 degrees perpendicular to the supporting rods 251.

A guide plate 290 is installed on one side of the base plate 210, a sliding groove three 291 is formed in the inner wall of the guide plate 290, through holes 292 are formed in two sides of the sliding groove three 291, vertical rods 252 are inserted into the inner walls of the through holes 292, a chain 293 is installed on the outer wall of the guide plate 290, and one side of the chain 293 wraps the outer wall of the driving shaft 260.

Limiting plate 180 is inserted into the inner wall of first limiting groove 170, dismounting knob 190 is installed on the outer side of limiting plate 180, first screw 193 is fixedly installed on one side of dismounting knob 190, first screw 193 is inserted into the inner wall of limiting plate 180, first screw 193 is in threaded connection with limiting plate 180, pressing block 192 is arranged on the inner side of limiting plate 180, pressing block 192 is in threaded connection with one end of first screw 193, pressing block 192 is in contact with three 291 sliding grooves, first sliding groove 191 is formed in the inner side of limiting plate 180, and vertical rod 252 is inserted into the inner wall of first sliding groove 191.

100 inner wall bottom fixed mounting of shell 100 has motor 270, motor 270 output and two 240 one ends fixed connection of screw rod, motor 270 top fixed mounting has motor two 280, 100 inner wall one side fixed mounting of shell has speed reducer 281, the output of motor two 280 is connected with speed reducer 281 input, speed reducer 281 output and drive shaft 260 fixed connection, speed reducer 281 is the transmission equipment of the big moment of torsion of low-speed rotation, the power of two 280 high-speed operations of motor reaches the mesh of slowing down through the gear wheel on the gear engagement output shaft that the number of teeth is few on the input shaft of speed reducer, motor two 280 set up to brushless motor, motor one 270 sets up to servo motor, can two 240 rotations of positive and negative drive screw rod.

The inner wall of the casing 100 is provided with a battery jar 150, the inner wall of the battery jar 150 is inserted with a lithium battery 160, and the lithium battery 160 is electrically connected with the first motor 270 and the second motor 280.

An auxiliary handle 120 is fixedly mounted at the top of the shell 100, a front protection plate 110 is fixedly mounted on one side of the auxiliary handle 120, a main handle 130 is fixedly mounted on one side of the shell 100, a tension switch 140 is mounted at the top of the main handle 130, and a starting switch 141 is fixedly mounted at the bottom of the main handle 130.

The using process of the utility model is as follows: when the adjustable guide plate 290 is used, workers in the field need to rotate the disassembling knob 190 clockwise to enable the first screw 193 to rotate in the limiting plate 180 to enable the pressing block 192 to loosen, the first motor 270 is started by pressing the elastic switch 140, the first motor 270 drives the second screw 240 to rotate, the second screw 240 pushes the moving rod 250 to move rightwards, the moving rod 250 pushes the vertical rod 252 to move rightwards, the vertical rod 252 pushes the guide plate 290 to move rightwards through the through hole 292, the chain 293 takes the driving shaft 260 as a starting point and is tightly attached to the outer wall of the guide plate 290, the disassembling knob 190 is rotated anticlockwise to enable the first screw 193 to rotate in the limiting plate 180 to enable the pressing block 192 to extrude the guide plate 290 to be loosened, and therefore adjustment is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A brushless lithium electric chain saw comprising a housing (100) and an adjustment device (200), characterized in that: one side of the shell (100) is provided with a first limiting groove (170), the adjusting device (200) is installed on the inner wall of the first limiting groove (170), the adjusting device (200) comprises a base plate (210), the base plate (210) is fixedly connected with the inner wall of the shell (100), a second sliding groove (220) is formed in the joint of the base plate (210) and the shell (100), the bottom of the inner wall of the shell (100) is provided with a second limiting groove (230), the second limiting groove (230) is connected with the second sliding groove (220), a driving shaft (260) is arranged on the inner wall of the first limiting groove (170), and the driving shaft (260) is movably connected with the inner wall of the shell (100);

two (230) inner wall movable mounting of spacing groove have screw rod two (240), two (240) outer wall threaded connection of screw rod have carriage release lever (250), two (220) inner walls in spout are installed at carriage release lever (250) top, carriage release lever (250) and two (220) inner walls of spout contactless, carriage release lever (250) right side fixed mounting has bracing piece (251), bracing piece (251) are equipped with two sets ofly, two sets of bracing piece (251) one end fixed mounting has montant (252), montant (252) are 90 perpendicular with bracing piece (251).

2. The brushless lithium electric chain saw of claim 1, wherein a guide plate (290) is mounted on one side of the backing plate (210), a third sliding groove (291) is formed in the inner wall of the guide plate (290), through holes (292) are formed in two sides of the third sliding groove (291), the vertical rod (252) is inserted into the inner wall of the through hole (292), a chain (293) is mounted on the outer wall of the guide plate (290), and one side of the chain (293) wraps the outer wall of the driving shaft (260).

3. The brushless lithium electric chain saw of claim 1, wherein a limiting plate (180) is inserted into an inner wall of the first limiting groove (170), a disassembling knob (190) is installed on the outer side of the limiting plate (180), a first screw (193) is fixedly installed on one side of the disassembling knob (190), the first screw (193) is inserted into the inner wall of the limiting plate (180), the first screw (193) is in threaded connection with the limiting plate (180), a pressing block (192) is arranged on the inner side of the limiting plate (180), the pressing block (192) is in threaded connection with one end of the first screw (193), the pressing block (192) is in contact with a third sliding groove (291), a first sliding groove (191) is formed in the inner side of the limiting plate (180), and the vertical rod (252) is inserted into the inner wall of the first sliding groove (191).

4. The brushless lithium electric chain saw of claim 1, wherein a first motor (270) is fixedly mounted at the bottom of the inner wall of the housing (100), the output end of the first motor (270) is fixedly connected with one end of a second screw (240), a second motor (280) is fixedly mounted at the top of the first motor (270), a speed reducer (281) is fixedly mounted on one side of the inner wall of the housing (100), the output end of the second motor (280) is connected with the input end of the speed reducer (281), and the output end of the speed reducer (281) is fixedly connected with the driving shaft (260).

5. The brushless lithium electric chain saw of claim 1, wherein a battery jar (150) is formed in an inner wall of the housing (100), a lithium battery (160) is inserted into the inner wall of the battery jar (150), and the lithium battery (160) is electrically connected with the first motor (270) and the second motor (280).

6. The brushless lithium electric chain saw of claim 1, wherein an auxiliary handle (120) is fixedly mounted at the top of the housing (100), a front protection plate (110) is fixedly mounted at one side of the auxiliary handle (120), a main handle (130) is fixedly mounted at one side of the housing (100), a tension switch (140) is mounted at the top of the main handle (130), and a starting switch (141) is fixedly mounted at the bottom of the main handle (130).