CN211607479U

CN211607479U - Electric pruning shears

Info

Publication number: CN211607479U
Application number: CN202020106688.2U
Authority: CN
Inventors: 徐军桥; 刘彭铮
Original assignee: Shanghai C Mart Tools Co ltd
Current assignee: Shanghai C Mart Tools Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-10-02
Anticipated expiration: 2030-01-17

Abstract

The utility model provides an electric pruning shears, include: casing and motor, the motor is fixed to be set up in the casing, and the heat dissipation gear is installed to the one end of motor, is provided with the air outlet that corresponds with the heat dissipation gear on the casing, and the other end of motor is connected with the reducing gear box, and the reducing gear box is connected with the gear train, and motor, reducing gear box and gear train formula design as an organic whole, gear train are connected with the tool bit subassembly, and the tool bit subassembly includes: the fixed blade is provided with a sawtooth part; when the shearing machine works, a sheared object is placed on the sawtooth part of the fixed blade, the motor drives the heat dissipation gear to work, and meanwhile the fixed blade and the movable blade are folded to shear the object through the driving reduction gearbox and the gear set. The utility model relates to an electronic pruning scissors has the heat dissipation function, and the blade has clamping function, simple structure, and blade pruning work efficiency is high.

Description

Electric pruning shears

Technical Field

The utility model relates to an electric tool field, in particular to electronic pruning scissors.

Background

At present, with the continuous expansion of urban greening areas, green belts of parks, roads and public places are spread all over the country, and because the growth of greening plant branches needs to be frequently trimmed for orderly formation, electric pruning shears are increasingly applied, and the electric pruning shears are widely used as garden tools due to small and exquisite shapes and convenient carrying. The electric pruning shears comprise a pair of blades extending from a housing, one of the blades being fixedly mounted on the housing and the other blade being pivotally connected to a fixed blade and driven by a motor to oscillate back and forth. When the trigger is pulled, the motor rotates forwards to drive the movable blade to swing towards the fixed blade, so that branches are cut, and the blade edge is closed; when loosening the trigger, the motor reversal drives movable blade and swings towards the direction of leaving fixed blade, and the edge of a knife opens, and current electronic pruning scissors inside motor and gear train can generate heat and scald in long-time use, need stop work wait for motor cooling back and carry out work once more, can influence the life of pruning scissors in the past for a long time, and one side of its blade cutting of current pruning scissors is the smooth surface in addition, does not have better fixed action to some branches or branches, influences work efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide an electronic pruning scissors that has heat dissipation function, blade have clamping function and simple structure, the blade is pruned work efficiency height.

(II) technical scheme

In order to solve the technical problem, the utility model discloses an electric pruning shear, include: casing and motor, the motor is fixed set up in the casing, the heat dissipation gear is installed to the one end of motor, the other end of motor is connected with the reducing gear box, the reducing gear box is connected with the gear train, the gear train is connected with the tool bit subassembly, the tool bit subassembly includes: the fixed blade is provided with a sawtooth part; when the electric shearing machine works, a sheared object is placed on the sawtooth part of the fixed blade, the motor drives the heat dissipation gear to work, and meanwhile the fixed blade and the movable blade are folded to shear the object by driving the reduction gearbox and the gear set.

Further, an air outlet corresponding to the heat dissipation gear is arranged on the shell.

Furthermore, the motor, the reduction gearbox and the gear set are designed in an integrated mode.

Further, the casing includes tail seat lid, grips lid and tool bit lid, heat dissipation gear arranges in the tail seat lid, the motor, the reducing gear box with the gear train is arranged in the lid grips, the tool bit subassembly is arranged in the tool bit lid. Furthermore, a transmission switch corresponding to the gear set is arranged on the shell and connected with and controls the motor.

Furthermore, a fixed seat is further arranged between the gear set and the cutter head assembly, the fixed blade is fixedly arranged on the fixed seat, a rack is fixedly arranged on the movable blade, the rack is meshed with the gear set, and the movable blade is in running fit with the fixed blade.

Further, the shape of the rack is fan-shaped.

Furthermore, the sawtooth part is arranged on one side of the fixed blade corresponding to the movable blade.

(III) advantageous effects

The utility model relates to an electronic pruning scissors lies in for prior art's advantage:

1) the heat dissipation device has the heat dissipation function, can effectively dissipate the heat in the pruning shears, prolongs the service life of the pruning shears, and can effectively dissipate the heat of the motor and the internal parts of the pruning shears by arranging the heat dissipation gear on the motor and arranging the air outlet on the shell, so that the heat dissipation gear can be driven to work when the motor works;

2) the blade has a clamping function, the fixed blade is provided with the sawtooth part, the sawtooth part is arranged on one side of the fixed blade corresponding to the movable blade, and when branches or objects are trimmed, the trimming object can be clamped to prevent the trimming object from falling off.

Drawings

FIG. 1 is a perspective view of an electric pruning shear of the present invention;

FIG. 2 is an exploded view of an electric pruning shear of the present invention;

FIG. 3 is a cross-sectional view of an electric pruning shear of the present invention;

fig. 4 is a schematic structural view of an electric pruning shear head assembly of the present invention;

wherein: the device comprises a shell 1, a tailstock cover 101, a holding cover 102, a tool bit cover 103, a motor 2, a heat dissipation gear 3, a reduction gearbox 4, a gear set 5, a tool bit assembly 6, a fixed blade 601, a movable blade 602, a sawtooth part 7, an air outlet 8, a transmission switch 9, a fixed seat 10 and a rack 11.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 4, an electric pruning shear includes: casing 1 and motor 2, motor 2 is fixed to be set up in casing 1, heat dissipation gear 3 is installed to motor 2's one end, heat dissipation gear 3 is used for loosing the heat of motor 2 and casing internals, motor 2's the other end is connected with reducing gear box 4, reducing gear box 4 is connected with gear train 5, reducing gear box 4 can slow down motor high rotational speed output, avoid gear train 5 to damage because high-speed the rotation, gear train 5 is connected with tool bit subassembly 6, tool bit subassembly 6 includes: the fixed blade 601 and the movable blade 602, wherein the fixed blade 601 is provided with a sawtooth part 7, and the sawtooth part 7 is arranged on one side of the fixed blade 601 corresponding to the movable blade 602; when the pruning shears work, the motor 2 drives the reduction gearbox 4 to work, the high rotating speed output of the motor 2 is reduced to the rotating speed required by the operation of the pruning shears through the reduction gearbox 4, so that the operation of the pruning shears is more stable, the reduction gearbox 4 drives the gear set 5 to rotate, and then the cutter head component 6 is driven to work, so that the fixed blade 601 and the movable blade 602 are folded to cut the object, in the operation process of the motor 2, one end of the motor 2 is provided with the heat dissipation gear 3, the motor 2 drives the heat dissipation gear 3 to work, the heat generated by the motor 2 can be effectively dissipated, so that the motor 3 and the pruning shears can work for a long time, in addition, the fixed blade 601 is provided with a sawtooth part 7, the sawtooth part 7 can limit the clipping object, make tool bit subassembly 6 can the centre gripping clipping thing, prevent droing of object at the pruning in-process, influence pruning scissors work efficiency and operating mass with rated load.

Referring to fig. 1 and 2, the casing 1 is provided with the air outlet 8 corresponding to the heat dissipation gear 3, the heat dissipation paper wheel 3 rotates to realize the heat dissipation function of the motor 2, the generated air is alternated between cold air and hot air through the air outlet 8, and the air outlet 8 is arranged corresponding to the heat dissipation gear 3, so that the heat dissipation efficiency of the heat dissipation gear 3 is improved, the normal use of the pruning shears is ensured, and the working efficiency of the pruning shears is improved.

Referring to fig. 2 and 3, the motor 2, the reduction gearbox 4 and the gear set 5 are designed into an integral type, the motor 2, the reduction gearbox 4 and the gear set 5 can be connected more firmly and are not easy to damage due to the integral type design, and in addition, the normal use of the reduction gearbox 4 and the gear set 5 can be prevented from being influenced by sundries falling into the pruning shears in the working process.

Referring to fig. 1, fig. 2 and fig. 3, casing 1 includes tail seat lid 101, hold lid 102 and tool bit lid 103, heat dissipation gear 3 is arranged in tail seat lid 101, motor 2, reducing gear box 4 and gear train 5 are arranged in holding lid 102, tool bit lid 103 is arranged in to tool bit subassembly 6, heat dissipation gear 3 corresponds tail seat lid 101 and sets up, motor 2, reducing gear box 4 and gear train 5 correspond and hold lid 102 and set up, tool bit subassembly 6 corresponds tool bit lid 103 and sets up, when its inside part or part damage, can correspond the casing and dismantle the installation and do not influence the installation setting of other spare parts, make things convenient for dismouting and maintenance.

Referring to fig. 1, 2 and 3, the tail seat cover 101, the holding cover 102 and the cutter head cover 103 are integrally formed and installed, so that the connection among the tail seat cover 101, the holding cover 102 and the cutter head cover 103 is firmer, the whole structure of the pruning shears is firmer and not easy to damage, and the housing of the pruning shears is more beautiful.

Referring to fig. 1 and 3, a transmission switch 9 corresponding to the gear set 5 is disposed on the housing 1, the transmission switch 9 is connected to and controls the motor 2, and the transmission switch 9 is used to control the operation of the motor, so that a user can conveniently operate and use the motor.

Referring to fig. 2, 3 and 4, a fixing seat 10 is further arranged between the gear set 5 and the cutter head assembly 6, the fixed blade 601 is fixedly arranged on the fixing seat 10, a rack 11 is fixedly arranged on the movable blade 602, the rack 11 is meshed with the gear set 5, the movable blade 602 is in running fit with the fixed blade 601, the fixed blade 601 is fixedly arranged to ensure the stability of the fixed blade in the pruning process, the rack 11 is arranged, the movable blade 602 rotates by utilizing the meshing of the rack 11 and the gear set 5, the pruning of an object is completed, the whole structure is simple, the arrangement of the rack 11 can enable the movable blade 602 to better match with the fixed blade 601, and the working efficiency of the pruning scissors is improved.

Referring to fig. 3 and 4, the rack 11 is fan-shaped, and the rack 11 is configured to be fan-shaped and matched with the moving track of the moving blade 602 to be fan-shaped, so that the space of the pruning and pruning shear head part can be saved, and the moving arc of the moving blade 602 is more beautiful.

In the embodiment, the heat dissipation gear is arranged on the motor, the air outlet is arranged on the shell, and the motor can drive the heat dissipation gear to work when working, so that the electric pruning shears have a heat dissipation function, can effectively dissipate heat in the pruning shears, and prolong the service life of the pruning shears; in addition, the fixed blade is provided with the sawtooth part which is arranged on one side of the fixed blade corresponding to the movable blade, so that when branches or objects are trimmed, the trimmings can be clamped and prevented from falling off.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An electric pruning shear, comprising: casing (1) and motor (2), motor (2) fixed set up in casing (1), heat dissipation gear (3) are installed to the one end of motor (2), the other end of motor (2) is connected with reducing gear box (4), reducing gear box (4) are connected with gear train (5), gear train (5) are connected with tool bit subassembly (6), tool bit subassembly (6) include: the fixed blade (601) and the movable blade (602), wherein the fixed blade (601) is provided with a sawtooth part (7); when the shearing machine works, a sheared object is placed on the sawtooth part (7) of the fixed blade (601), the motor (2) drives the heat dissipation gear (3) to work, and meanwhile the fixed blade (601) and the movable blade (602) are folded to shear the object by driving the reduction gearbox (4) and the gear set (5).

2. The electric pruning shears according to claim 1, wherein the housing (1) is provided with an air outlet (8) corresponding to the heat dissipation gear (3).

3. The electric pruning shears according to claim 1, wherein the motor (2), the reduction gearbox (4) and the gear set (5) are designed in one piece.

4. The electric pruning shears according to claim 1, wherein the housing (1) comprises a tail base cover (101), a holding cover (102) and a cutter head cover (103), the heat dissipation gear (3) is disposed in the tail base cover (101), the motor (2), the reduction gearbox (4) and the gear set (5) are disposed in the holding cover (102), and the cutter head assembly (6) is disposed in the cutter head cover (103).

5. The electric pruning shears according to claim 1, wherein a transmission switch (9) corresponding to the gear set (5) is arranged on the housing (1), and the transmission switch (9) is connected with and controls the motor (2).

6. The electric pruning shears according to claim 1, wherein a fixed seat (10) is further arranged between the gear set (5) and the cutter head assembly (6), the fixed blade (601) is fixedly arranged on the fixed seat (10), a rack (11) is fixedly arranged on the movable blade (602), the rack (11) is meshed with the gear set (5), and the movable blade (602) is rotatably matched with the fixed blade (601).

7. The electric pruning shears according to claim 6, wherein the rack (11) is fan-shaped.

8. The electric pruning shears according to claim 1, wherein the serration (7) is provided on the stationary blade (601) on a side corresponding to the movable blade (602).