CN216820804U

CN216820804U - Electric garden scissors

Info

Publication number: CN216820804U
Application number: CN202123437091.XU
Authority: CN
Inventors: 庄榜锋; 陆赛华; 钱进
Original assignee: Jiangsu Dongcheng Tools Technology Co Ltd
Current assignee: Jiangsu Dongcheng Tools Technology Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-28
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to an electronic gardens scissors, including the casing, install motor and transmission in the casing, stretch out the first assembly of scissors of casing front end suddenly, install the fan module in the casing, the control assembly of control motor break-make and set up in the air intake and the air outlet of casing, the fan module is including connecting in the independent motor of control assembly and by motor drive's fan, the casing includes the muscle position of stretching from the inner wall is inwards stretched, the passageway that runs through around having seted up on the muscle position. The utility model has the advantages that the fan module is independent, so that the fan module can still radiate the heat of the control assembly and the motor under the condition that the motor stops running; set up the passageway on the muscle position, the refrigerated air that inhales from the air intake can smoothly flow to air outlet department via this passageway, effectively prevents thermal piling up, makes heat dispersion better.

Description

Electric garden scissors

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electronic gardens scissors, in particular to electronic gardens scissors that field such as gardens, horticulture were used.

[ background of the invention ]

The electric garden scissors are a kind of apparatus which is driven by a motor to drive a transmission device and then drives a scissor head assembly to carry out reciprocating shearing so as to carry out operation. Electronic gardens scissors is equipped with control assembly and controls the motor, and control assembly and the calorific capacity of motor are great, need set up fan and wind channel in electronic gardens scissors to inside guiding outside cooling air to electronic gardens scissors, cool off the heat dissipation to control assembly and motor.

In the existing electric garden scissors, a fan is fixed on an output shaft of a motor and runs along with the starting of the motor, but due to the working characteristics of the electric garden scissors, namely, the cutting actions of a user on the electric garden scissors are intermittent and short, the starting running time of the motor is short, so that the running time of the fan is short, and the control assembly and the motor cannot be effectively radiated; in addition, the motor of the existing electric garden shears is supported on the rib position of the inner wall of the shell, and the rib position wraps the motor, so that cooling air sucked from the air inlet cannot smoothly flow to the air outlet to be discharged, heat accumulation is caused, and heat dissipation of the control assembly and the motor is further influenced.

In view of the above, there is a need to provide an improved electric garden shears to overcome the drawbacks of the prior art.

[ Utility model ] content

Not enough to prior art, the utility model aims to provide an electronic gardens scissors that heat dispersion is good.

The utility model provides a prior art problem can adopt following technical scheme: an electric garden scissors comprises a casing, a motor and a transmission device which are arranged in the casing, a scissors head assembly which protrudes out of the front end of the casing, an air inlet and an air outlet which are arranged on the casing, the casing comprises a rib position which protrudes inwards from the inner wall, the motor and the transmission device are supported at the rib position, the motor drives the transmission device, and drives the scissor head assembly to do reciprocating shearing action, the electric garden scissors comprise a control component for controlling the on-off of the motor and a fan module arranged in the casing, the fan module comprises an independent motor connected to the control component and a fan driven by the motor, the rib position comprises a channel which penetrates through the front and the back, the control component drives the fan module to operate, external air flow is sucked from the air inlet, and after flowing through the channel, the air flow is blown out from the air outlet.

The further improvement scheme is as follows: the muscle position has a plurality ofly and arranges along fore-and-aft direction interval, every the muscle position has all seted up the passageway, it is a plurality of the passageway is located same straight line and along the axial extension of motor.

The further improvement scheme is as follows: every muscle position has all seted up two the passageway, two the passageway is located the both sides of muscle position.

The further improvement scheme is as follows: the casing includes left casing, right casing and by the left and right casing enclose the holding portion who puts the formation, motor, fan module and transmission settle in the holding portion.

The further improvement scheme is as follows: the rib positions are distributed on the left shell and the right shell, the shape of the rib positions is matched with that of the motor, and the protruding height of the rib positions is not higher than the combination surface of the left shell and the right shell.

The further improvement scheme is as follows: the air intake with the air outlet is seted up in both ends around the casing, the muscle position be located the air intake with between the air outlet, the air intake including set up relatively in control the first air intake and the second air intake of casing, the air outlet is including setting up relatively and is in control the first air outlet and the second air outlet of casing joint department, control assembly set up in air intake department.

The further improvement scheme is as follows: the fan module comprises an upper shell and a lower shell which are mutually covered, the upper shell and the lower shell are installed in the casing, and the fan and the motor are fixed between the upper shell and the lower shell.

The further improvement scheme is as follows: the scissors head assembly comprises a head shell fixed on the machine shell, a straight toothed shaft connected to the transmission device, a swing tooth driven by the straight toothed shaft, a movable blade fixed on the swing tooth and a fixed blade fixed on the head shell, wherein the fixed blade and the movable blade are installed on the head shell through a connecting shaft.

The further improvement scheme is as follows: electric garden scissors including form in the hand protector portion of casing upside and accept in the inboard switch trigger of hand protector portion, the switch trigger is located the front end of casing is close to scissors head assembly, the switch trigger is close to during the casing, scissors head assembly is closed, the casing is kept away from to the switch trigger, scissors head assembly parts.

The further improvement scheme is as follows: the electric garden shears comprise a battery pack detachably mounted at the rear end of the casing, and the battery pack supplies energy to the motor and the fan module.

Compared with the prior art, the utility model discloses following beneficial effect has: the fan module with the independent motor is directly connected to the control assembly, so that the fan module can still dissipate heat of the control assembly and the motor even when the motor stops running, and the cooling performance of the electric garden shears is greatly improved; a channel penetrating through the front and the back is arranged on a rib position supporting the motor and the reduction gearbox in the shell, and cooling air sucked from the air inlet can smoothly flow to the air outlet through the channel, so that heat accumulation is prevented, and the cooling performance of the electric garden shears is further improved; in addition, the cooling air passes through all the channels in a straight line, so that the air is not easy to be blocked, and the air flows more smoothly.

[ description of the drawings ]

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:

fig. 1 is a schematic view of the overall structure of the electric garden shears of the present invention;

FIG. 2 is a schematic structural view of the electric garden shears shown in FIG. 1 with the left housing removed;

FIG. 3 is a schematic structural view of a right housing of the electric garden shears of FIG. 1;

FIG. 4 is an enlarged view of circle A in the left housing shown in FIG. 3;

FIG. 5 is an exploded view of the components inside the housing of the electric garden shears shown in FIG. 1;

FIG. 6 is a schematic structural diagram of main components of the electric garden shears shown in FIG. 1;

fig. 7 is an exploded view of a scissor head assembly of the electric garden scissors shown in fig. 1.

The meaning of the reference symbols in the figures:

electric garden shears 100 casing 10

First air inlet 12 of accommodating part 11

First air outlet 13 and second air inlet 14

Second air outlet 15 motor 20

Rib position 21 control assembly 22

Upper case 231 of fan module 23

Lower housing 232 fan 24

Straight gear shaft 26 oscillating tooth 27

Fixed blade 28, movable blade 29

Motor gear 30 planetary gear 31

Planet carrier 32 bevel gear shaft 33

Inner gear ring 34 large bevel gear 35

Channel 40 head shell 41

Hand protector 50 switch trigger 51

Battery pack 60 right housing 102

Left casing 101

[ detailed description ] embodiments

The present invention will be described in further detail with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 4, an embodiment of the present invention relates to an electric garden shears 100, which is widely used in garden and gardening fields and is suitable for trimming branches. The electric garden shears 100 comprises a housing 10, a motor 20 installed in the housing 10, a transmission device arranged at the front end of the motor 20, a scissor head assembly protruding out of the front end of the housing 10, an air inlet and an air outlet opened at the front end and the rear end of the housing 10, a fan module 23 and a control component 22 arranged at the rear end of the motor 20, a switch trigger 51 and a hand guard 50 formed at the upper side of the housing 10, and a battery pack 60 installed at the rear end of the housing 10, wherein the battery pack 60 provides energy for the motor 20 and the fan module 23, and the battery pack 60 is detachably installed at the rear end of the housing 10; the motor 20 drives the transmission device and drives the scissor head assembly to perform reciprocating shearing action.

As shown in fig. 2, the switch trigger 51 of the electric garden shears 100 is accommodated inside the hand guard 50, and the switch trigger 51 is disposed at the front end of the housing 10 and close to the shear head assembly. The switch trigger 51 is connected with the control component 22 through a lead, the switch trigger 51 is operated, and the control component 22 controls the start and stop of the motor 20, so as to control the switch of the scissor head assembly. Specifically, the switch trigger 51 is pressed to make the switch trigger 51 close to the housing 10, so as to start the motor 20 and drive the scissor head assembly to be opened; releasing the switch trigger 51 moves the switch trigger 51 away from the housing 10, turning off the motor 20 and causing the scissor head assembly to close.

As shown in fig. 5, the fan module 23 includes an upper housing 231, a lower housing 232, an independent motor connected to the control unit 22, and a fan 24 driven by the independent motor, wherein the fan 24 and the independent motor are fixed between the upper housing 231 and the lower housing 232. The control component 22 is connected to the fan module 23, and controls the fan module 23 to operate, so that the external air flow is sucked from the air inlet and then blown out from the air outlet. By directly connecting the fan module 23 with the independent motor to the control assembly 22, the fan module 23 can still dissipate heat from the control assembly 22 and the motor 20 even when the motor 20 stops operating, and the cooling performance of the electric garden shears 100 is greatly improved. In addition, the fan module 23 can continuously work only after being powered on, and is not affected by the cutting frequency of the electric garden shears 100, so that the problem that the holding part of the existing electric garden shears 100 is scalded during high-frequency cutting is effectively solved.

Referring to fig. 5 to 6, the housing 10 includes a left housing 101, a right housing 102, and a receiving portion 11 surrounded by the left and right housings, and the motor 20, the fan module 23, the control assembly 22, and the transmission device are disposed in the receiving portion 11. The fan module 23 is activated to make the airflow sucked from the air inlet on the rear side of the casing 10, flow through the motor 20, the control component 22 and the transmission device, and then flow out from the air outlet on the front side of the casing 10.

Referring to fig. 3 and 4, the housing 10 further includes a rib 21 for supporting the motor 20 and the transmission device, the rib 21 protrudes inward from the inner wall of the housing 10, and the rib 21 is distributed on the left and right shells; the protruding height of the rib position 21 is not higher than the combination surface of the left shell and the right shell, and the shape of the rib position 21 is matched with that of the motor 20 and the transmission device, so that the motor 20 and the transmission device can be better supported.

In this embodiment, the rib position 21 includes a plurality of channels 40 penetrating from front to back, the rib position 21 has a plurality of channels 40 arranged at intervals along the front-back direction, each rib position 21 has the channel 40 opened therein, and the plurality of channels 40 are located on the same straight line and extend along the axial direction of the motor 20. Through the channels which are arranged on the ribs in the casing and penetrate through the front and the back, the cooling air sucked from the air inlet can smoothly flow to the air outlet through the channels 40, so that the accumulation of heat is effectively prevented, and the cooling performance of the electric garden shears 100 is further improved; in addition, the cooling air passes through all the channels 40 in a straight line, so that the air is not easily blocked and the air flows more smoothly.

Further, every all seted up two on the muscle position 21 the passageway 40, two the passageway 40 is located every the both sides of muscle position 21, through every set up two passageways 40 on the muscle position 21, increased the area that can circulate of air.

Referring to fig. 6, the air inlet includes a first air inlet 12 and a second air inlet 14 respectively located on the left and right housings, the air outlet includes a first air outlet 13 and a second air outlet 15 located at a joint of the left and right housings, and the first air inlet 12 and the second air inlet 14. The first air outlet 13 and the second air outlet 15 are located at the front side of the housing 10, and the cooling air enters from the left-right direction of the housing 10, flows forward along the air duct inside the housing 10, and flows out from the direction perpendicular to the left-right plane.

Referring to fig. 5 to 7, the transmission device includes a motor gear 30 fixed to a motor, the motor gear 30 is engaged with a planetary gear 31, the planetary gear 31 is fixed to a planetary carrier 32, another side gear of the planetary carrier 32 is engaged with another planetary gear and is fixed by another planetary carrier, a bevel gear shaft 33 is connected to the another planetary carrier through a flat position, the bevel gear shaft 33 is arranged in a front-back direction and is supported in the housing 10 by two bearings, an inner gear ring 34 is mounted on the motor 20 through 4 screws, and the inner gear ring 34 is engaged with the planetary gear 31 and the another planetary gear.

Referring to fig. 7 again, the scissor head assembly includes a head housing 41 fixed to the housing 10, a straight gear shaft 26 connected to the bevel gear shaft 33, a swing gear 27 driven by the straight gear shaft 26, the movable blade 29 fixed to the swing gear 27, and the fixed blade 28 fixed to the head housing 41. The head shell 41 is installed on the inner gear ring 34 through threads, the head of the bevel gear 33 is meshed with the large bevel gear 35 sleeved on the straight-tooth shaft 26, the straight-tooth shaft 26 is arranged along the radial direction and supported on the head shell 41 through two bearings, the straight-tooth shaft 26 is meshed with the swing teeth 27, the movable blade 29 is fixed on the swing teeth 27, the fixed blade 28 is fixed on the head shell 41, and the fixed blade 28 and the movable blade 29 are installed on the head shell 41 through the connecting shaft 40. The swing teeth 27 are covered by a baffle plate, so that the electric garden shears 100 are more attractive and elegant; and when the electric garden shears 100 work, the transmission device is not exposed, an operator is not easily injured by a machine, and the safety is higher.

The utility model has the advantages that the fan module with the independent motor is directly connected with the control assembly, so that the fan module can still radiate the control assembly and the motor even when the motor stops running, and the cooling performance of the electric garden shears is greatly improved; in addition, the fan module can continuously work only after being electrified, and is not influenced by the shearing frequency of the electric garden scissors, so that the problem that the holding part of the existing electric garden scissors is scalded in high-frequency shearing is effectively solved. In addition, the rib positions for supporting the motor and the transmission device in the shell are provided with the channels which penetrate through the front and the back, so that the circulating area of air is increased, the cooling air sucked from the air inlet can smoothly flow to the air outlet through the channels 40, the accumulation of heat is prevented, and the cooling performance of the electric garden shears is further improved; further, the cooling air passes through all the channels 40 in a straight line, so that the air is not easily blocked and the air flows more smoothly.

The present invention is not limited to the above-described embodiments. It will be readily appreciated by those skilled in the art that there are numerous other alternatives to the electric garden shears of the present invention without departing from the principles and scope of the invention. The protection scope of the present invention is subject to the content of the claims.

Claims

1. The utility model provides an electronic gardens scissors, includes the casing, install in motor and transmission in the casing, stretch out the scissors head assembly of casing front end and set up in the air intake and the air outlet of casing, the casing includes the muscle position of stretching inwards from the inner wall, the motor with transmission supports in the muscle position, the motor drive transmission, and drive scissors head assembly carries out reciprocal shearing action, its characterized in that: the electric garden shears comprise a control component for controlling the on-off of the motor and a fan module arranged in the shell, the fan module comprises an independent motor connected to the control component and a fan driven by the motor, the rib position comprises a channel penetrating through the front and the back, the control component drives the fan module to operate, external air flow is sucked from the air inlet and flows through the channel, and then the air flow is blown out from the air outlet.

2. The electric garden scissors according to claim 1, wherein: the muscle position has a plurality ofly and arranges along fore-and-aft direction interval, every the muscle position has all seted up the passageway, it is a plurality of the passageway is located same straight line and along the axial extension of motor.

3. The electric garden scissors of claim 2, wherein: every muscle position has all seted up two the passageway, two the passageway is located the both sides of muscle position.

4. The electric garden scissors according to claim 1, wherein: the casing includes left casing, right casing and by the left and right casing enclose the holding portion who puts the formation, motor, fan module and transmission settle in the holding portion.

5. Electric garden scissors according to claim 4, characterized in that: the rib positions are distributed on the left shell and the right shell, the shape of the rib positions is matched with that of the motor, and the protruding height of the rib positions is not higher than the combination surface of the left shell and the right shell.

6. Electric garden scissors according to claim 4, characterized in that: the air intake with the air outlet is seted up in both ends around the casing, the muscle position be located the air intake with between the air outlet, the air intake including set up relatively in control the first air intake and the second air intake of casing, the air outlet is including setting up relatively and is in control the first air outlet and the second air outlet of casing joint department, control assembly set up in air intake department.

7. The electric garden scissors according to claim 1, wherein: the fan module comprises an upper shell and a lower shell which are mutually covered, the upper shell and the lower shell are installed in the casing, and the fan and the motor are fixed between the upper shell and the lower shell.

8. The electric garden scissors according to claim 1, wherein: the scissors head assembly comprises a head shell fixed on the machine shell, a straight toothed shaft connected to the transmission device, a swing tooth driven by the straight toothed shaft, a movable blade fixed on the swing tooth and a fixed blade fixed on the head shell, wherein the fixed blade and the movable blade are installed on the head shell through a connecting shaft.

9. The electric garden scissors according to claim 1, wherein: electric garden scissors including form in the hand protector portion of casing upside and accept in the inboard switch trigger of hand protector portion, the switch trigger is located the front end of casing is close to scissors head assembly, the switch trigger is close to during the casing, scissors head assembly is closed, the casing is kept away from to the switch trigger, scissors head assembly parts.

10. The electric garden scissors according to claim 1, wherein: the electric garden shears comprise a battery pack detachably mounted at the rear end of the casing, and the battery pack supplies energy to the motor and the fan module.