CN218105701U - Hand-held electric tool - Google Patents
Hand-held electric tool Download PDFInfo
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- CN218105701U CN218105701U CN202121971691.1U CN202121971691U CN218105701U CN 218105701 U CN218105701 U CN 218105701U CN 202121971691 U CN202121971691 U CN 202121971691U CN 218105701 U CN218105701 U CN 218105701U
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Abstract
The utility model discloses a hand-held type electric tool, including first casing, power, motor and rotation piece, first casing is equipped with inner chamber and switch, and power and motor are installed respectively in the inner chamber of first casing, and power, motor and switch concatenate in proper order and constitute the return circuit, and the lower extreme and the motor output shaft transmission of rotation piece are connected, its characterized in that: the transmission stabilizing device is arranged in the inner cavity of the first shell, and the lower end of the rotating piece is in transmission connection with a power output shaft of the motor through the transmission stabilizing device. The handheld electric tool can be suitable for various different use scenes, is not easy to influence transmission due to the shaking of the rotating part in use, and has long service life.
Description
Technical Field
The utility model relates to an electric appliance, in particular to hand-held type electric tool.
Background
In daily life, we can often use eggbeater, electronic cup washing machine etc. because current eggbeater, electronic cup washing machine structure are comparatively similar, consequently appear the multifunctional integral machine with various function integrations at present, this kind of multifunctional integral machine generally includes casing, motor and rotates the piece, and the motor setting is in the casing, and the one end that rotates the piece and the output shaft of motor rotate, rotates the piece and can be for brushing the head or stirring head. According to the requirement, only different rotating parts need to be replaced, and the device can be suitable for various different use scenes.
If the publication date is 2018, 9, 4 and the publication number is CN108478050A, the quick-separating automatic egg beater comprises a grab handle, the front end of the grab handle is rotatably supported with a rotating shaft, a driving device for driving the rotating shaft to rotate is arranged in the grab handle, the front end of the rotating shaft is connected with a stirrer, the front end of the stirrer is provided with an inward-concave separating groove, and the edge of the separating groove is provided with a quick cutting blade. Simultaneously, this kind of automatic drive arrangement of whisk adopts micro motor directly to rotate through pivot drive agitator, however because its agitator length is longer, consequently the agitator produces easily when rotating and rocks to when the agitator appears rocking, still can cause the influence to the transmission of motor, thereby influence the life of motor.
Disclosure of Invention
The utility model aims to solve the technical problem that a hand-held type electric tool is provided, this kind of hand-held type electric tool can be applicable to the use scene of various differences to in use is difficult because the rocking of rotating the piece influences the transmission, long service life.
In order to solve the technical problems, the technical scheme is as follows:
the utility model provides a hand-held type electric tool, includes first casing, power, motor and rotates the piece, and first casing is equipped with inner chamber and switch, and power and motor are installed respectively in the inner chamber of first casing, and power, motor and switch concatenate in proper order and constitute the return circuit, and the lower extreme that rotates the piece is connected with motor output shaft transmission, its characterized in that: the transmission stabilizing device is arranged in the inner cavity of the first shell, and the lower end of the rotating piece is in transmission connection with a power output shaft of the motor through the transmission stabilizing device.
In the hand-held electric tool, different rotating members can be selected as required. When the electric motor is used, the power switch is turned on to electrify the motor, and the motor drives the rotating piece to rotate through the transmission stabilizing device. The motor is connected with the rotation piece through transmission stabilising arrangement, rotating a pivoted in-process making, even rotate the piece and appear rocking, the motor can both normally transmit, can not influence the life of motor.
In a preferred scheme, the transmission stabilizing device comprises a transmission piece, a planetary gear set and a second shell, wherein the transmission piece and the planetary gear set are arranged in the second shell, openings are respectively arranged at the upper end and the lower end of the second shell, and the upper end of the transmission piece extends out of the opening at the upper end of the second shell and the first shell and is connected with the lower end of the rotating piece; the planetary gear set comprises a sun gear and a plurality of planetary gears, the sun gear and each planetary gear are respectively provided with a rotating shaft, the rotating shafts of the sun gear and each planetary gear are respectively rotatably arranged on the transmission part, the axis of the sun gear coincides with the rotating axis of the transmission part, the lower end of the rotating shaft of the sun gear extends out of the transmission part, a power output shaft of the motor extends into the lower end opening of the second shell and is in transmission connection with the lower end of the rotating shaft of the sun gear, each planetary gear is respectively meshed with the sun gear, and an inner gear ring meshed with the planetary gears is arranged on the inner wall of the second shell. The motor rotates the drive sun gear and rotates to drive each planetary gear to rotate around the sun gear, because planetary gear installs on the driving medium, consequently when planetary gear rotates, can drive the driving medium and rotate along with around the pivot of sun gear, thereby make the driving medium drive rotate the piece and rotate. Through the arrangement, the motor does not need to directly drive the transmission part to rotate, can drive the sun gear to stably rotate, and drives the transmission part to rotate through the rotation of the plurality of planetary gears, so that the motor can normally drive even if the rotating part shakes; simultaneously, set up planetary gear set and driving medium jointly in the second casing to set up the ring gear on the inner wall of second casing, enable the rotation of driving medium more stable.
In a further preferred scheme, each planetary gear is provided with a first gear and a second gear, the second gear is fixedly arranged on the first gear, and the first gear and the second gear are coaxially arranged; the number of teeth of the first gear is larger than that of the second gear, the first gear is meshed with the sun gear, and the second gear is meshed with the inner gear ring. The gears meshed with the sun gear and the inner gear ring are separated, so that the service life of the planetary gear can be prolonged.
In a further preferred embodiment, the number of teeth of the sun gear is 6, and the number of teeth of the first gear is 18.
In a further preferred scheme, a sealing ring is arranged at an opening at the upper end of the second shell, and the sealing ring is sleeved on the transmission part. The sealing ring is arranged to prevent water from flowing into the inner part.
In a further preferred scheme, the transmission stabilizing device further comprises a plug connector, the upper end of the transmission part is provided with a positioning key, the lower end of the plug connector is provided with a positioning groove matched with the positioning key, and the upper end of the transmission part is connected with the positioning groove at the lower end of the plug connector through the positioning key; be equipped with a plurality of locating pieces that set up along circumference on the lateral wall of plug connector, the upper end of plug connector is equipped with the grafting piece, the lower extreme that rotates the piece be equipped with locating piece and grafting piece assorted interface, rotate the piece and be connected with the plug connector through the interface of lower extreme. Through the arrangement, the connection between the transmission stabilizing device and the rotating piece is tighter, and the transmission effect is better.
In a further preferred scheme, the number of the planetary gears is three.
In a preferable scheme, the front end of the rotating part is a brush head or a stirring head. When the washing (such as cup washing) is needed, a rotating part with a brush head at the front end can be adopted, and the brush head can be a brush, a cotton brush or a steel wire brush and the like; when the egg or dough needs to be beaten, a rotating piece with a stirring head at the front end can be adopted.
In a preferred embodiment, the first housing is cylindrical or gun-shaped. The shape of the first housing may be selected as desired.
The beneficial effects of the utility model reside in that: the handheld electric tool can be suitable for various different use scenes, is not easy to influence transmission due to the shaking of the rotating part in use, and has long service life.
Drawings
Fig. 1 is a schematic structural view of a handheld electric tool according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a rotating member according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of the handheld electric tool according to embodiment 1 of the present invention after the first housing and the rotating member are removed;
fig. 4 is a schematic structural view of the transmission stabilizing apparatus according to embodiment 1 of the present invention after the plug connector is removed;
fig. 5 is a schematic structural view of the inside of the second housing in embodiment 1 of the present invention;
fig. 6 is a schematic structural view of the transmission stabilizing apparatus according to embodiment 1 of the present invention after the plug connector and the second housing are removed;
fig. 7 is a schematic structural view of a planetary gear set according to embodiment 1 of the present invention;
FIG. 8 is a schematic structural view of a transmission member according to embodiment 1 of the present invention;
fig. 9 is a schematic structural view of a handheld electric tool according to embodiment 2 of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
example 1
As shown in fig. 1-8, a hand-held electric tool includes a first housing 1, a power supply 2, a motor 3, a transmission stabilizing device 4 and a rotating member 5, wherein the first housing 1 is provided with an inner cavity and a power switch 101, the power supply 2, the motor 3 and the transmission stabilizing device 4 are respectively installed in the inner cavity of the first housing 1, and the power supply 2, the motor 3 and the power switch 101 are sequentially connected in series to form a loop; the transmission stabilizing device 4 comprises a transmission piece 401, a plug piece 402, a planetary gear set 403 and a second shell 404, wherein the transmission piece 401 and the planetary gear set 403 are both arranged in the second shell 404, openings are respectively arranged at the upper end and the lower end of the second shell 404, the upper end of the transmission piece 401 extends out of the upper end opening of the second shell 404 and the first shell 1, a sealing ring 4041 is arranged at the upper end opening of the second shell 404, and the sealing ring 4041 is sleeved on the transmission piece 401; the upper end of the transmission member 401 is provided with a positioning key 4011, the lower end of the plug connector 402 is provided with a positioning groove (not visible in the figure) matched with the positioning key 4011, and the upper end of the transmission member 401 is connected with the positioning groove at the lower end of the plug connector 402 through the positioning key 4011; the side wall of the plug connector 402 is provided with a plurality of positioning blocks 4021 arranged along the circumferential direction, the upper end of the plug connector 402 is provided with a plug-in block 4022, the lower end of the rotating piece 5 is provided with a plug-in port 501 matched with the positioning blocks 4021 and the plug-in block 4022, and the rotating piece 5 is connected with the plug connector 402 through the plug-in port at the lower end; the planetary gear set 403 comprises a sun gear 4031 and three planetary gears 4032, the sun gear 4031 and each planetary gear 4032 are respectively provided with a rotating shaft, the rotating shafts of the sun gear 4031 and each planetary gear 4032 are respectively rotatably mounted on the transmission member 401, the axis of the sun gear 4031 coincides with the rotating axis of the transmission member 401, the lower end of the rotating shaft of the sun gear 4031 extends out of the transmission member 401, and the power output shaft of the motor 3 extends into the lower end opening of the second housing 404 and is in transmission connection with the lower end of the rotating shaft of the sun gear 4031; each of the planetary gears 4032 is provided with a first gear 40321 and a second gear 40322, the second gear 40322 is fixedly arranged on the first gear 40321, and the first gear 40321 and the second gear 40322 are coaxially arranged; the number of teeth of the first gear 40321 is greater than that of the second gear 40322, the first gear 40321 is meshed with the sun gear 4031, a ring gear 4042 meshed with the second gear 40322 is arranged on the inner wall of the second housing 404, and the second gear 40322 is meshed with the ring gear 4042.
The front end of the rotating part 5 is a brush head. The first casing 1 has a cylindrical shape. The number of teeth of the sun gear 4031 is 6, and the number of teeth of the first gear 40321 is 18.
When using hand-held type electric tool, turn on switch 101 and make the circular telegram of motor 3, motor 3 rotates drive sun gear 4031 and rotates to drive each planet gear 4032 and rotate around sun gear 4031, because planet gear 4032 installs on driving medium 401, consequently when planet gear 4032 rotates, can drive driving medium 401 and rotate thereupon around the pivot of sun gear 4031, thereby make driving medium 401 rotate through plug connector 402 drive rotation piece 5. Through the arrangement, the motor 3 does not need to directly drive the transmission member 401 to rotate, can drive the sun gear 4031 to stably rotate, and drives the transmission member 401 to rotate through the rotation of the plurality of planetary gears 4032, so that even if the rotating member 5 shakes, the motor 3 can normally drive; meanwhile, the planetary gear set 403 and the transmission member 401 are arranged in the second housing 404 together, and the inner gear ring 4042 is arranged on the inner wall of the second housing 404, so that the rotation of the transmission member 401 is more stable; the gears meshed with the sun gear 4031 and the inner gear ring 4042 are separated, so that the service life of the planet gear 4032 can be prolonged; through setting up plug 402, can make the connection of transmission stabilising arrangement 4 and rotation piece 5 inseparabler, the transmission effect is better.
Example 2
As shown in fig. 8, the present embodiment is different from embodiment 1 in that: the first shell is gun-shaped.
Example 3
This example differs from example 1 in that: the front end of the rotating part is provided with a stirring head.
Claims (9)
1. The utility model provides a hand-held type electric tool, includes first casing, power, motor and rotates the piece, and first casing is equipped with inner chamber and switch, and power and motor are installed respectively in the inner chamber of first casing, and power, motor and switch concatenate in proper order and constitute the return circuit, and the lower extreme that rotates the piece is connected with motor output shaft transmission, its characterized in that: the transmission stabilizing device is arranged in the inner cavity of the first shell, and the lower end of the rotating piece is in transmission connection with a power output shaft of the motor through the transmission stabilizing device.
2. A hand held power tool as claimed in claim 1, wherein: the transmission stabilizing device comprises a transmission piece, a planetary gear set and a second shell, wherein the transmission piece and the planetary gear set are arranged in the second shell, openings are respectively arranged at the upper end and the lower end of the second shell, and the upper end of the transmission piece extends out of the upper end opening of the second shell and the first shell and is connected with the lower end of the rotation piece; the planetary gear set comprises a sun gear and a plurality of planetary gears, the sun gear and each planetary gear are respectively provided with a rotating shaft, the rotating shafts of the sun gear and each planetary gear are respectively rotatably arranged on the transmission part, the axis of the sun gear coincides with the rotating axis of the transmission part, the lower end of the rotating shaft of the sun gear extends out of the transmission part, a power output shaft of the motor extends into the lower end opening of the second shell and is in transmission connection with the lower end of the rotating shaft of the sun gear, each planetary gear is respectively meshed with the sun gear, and an inner gear ring meshed with the planetary gears is arranged on the inner wall of the second shell.
3. A hand held power tool as claimed in claim 2, wherein: each planetary gear is provided with a first gear and a second gear, the second gear is fixedly arranged on the first gear, and the first gear and the second gear are coaxially arranged; the number of teeth of the first gear is larger than that of the second gear, the first gear is meshed with the sun gear, and the second gear is meshed with the inner gear ring.
4. A hand held power tool according to claim 3, wherein: the number of teeth of the sun gear is 6, and the number of teeth of the first gear is 18.
5. A hand held power tool as claimed in claim 2, wherein: and a sealing ring is arranged at an opening at the upper end of the second shell and sleeved on the transmission part.
6. A hand held power tool as claimed in claim 2, wherein: the transmission stabilizing device also comprises a plug connector, the upper end of the transmission part is provided with a positioning key, the lower end of the plug connector is provided with a positioning groove matched with the positioning key, and the upper end of the transmission part is connected with the positioning groove at the lower end of the plug connector through the positioning key; be equipped with a plurality of locating pieces that set up along circumference on the lateral wall of plug connector, the upper end of plug connector is equipped with the grafting piece, the lower extreme that rotates the piece be equipped with locating piece and grafting piece assorted interface, rotate the piece and be connected with the plug connector through the interface of lower extreme.
7. A hand held power tool as claimed in claim 2, wherein: the number of the planetary gears is three.
8. A hand held power tool as claimed in claim 1, wherein: the front end of the rotating part is a brush head or a stirring head.
9. A hand held power tool as claimed in claim 1, wherein: the first shell is cylindrical or gun-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121971691.1U CN218105701U (en) | 2021-08-21 | 2021-08-21 | Hand-held electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121971691.1U CN218105701U (en) | 2021-08-21 | 2021-08-21 | Hand-held electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218105701U true CN218105701U (en) | 2022-12-23 |
Family
ID=84493424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121971691.1U Active CN218105701U (en) | 2021-08-21 | 2021-08-21 | Hand-held electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218105701U (en) |
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2021
- 2021-08-21 CN CN202121971691.1U patent/CN218105701U/en active Active
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