CN218829447U

CN218829447U - Electric tool's output subassembly and electric tool

Info

Publication number: CN218829447U
Application number: CN202223122602.3U
Authority: CN
Inventors: 杨金牛
Original assignee: Zhejiang Minglei Lithium Energy Technology Co ltd
Current assignee: Zhejiang Minglei Lithium Energy Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-04-07
Anticipated expiration: 2032-11-23

Abstract

The utility model provides an electric tool's output subassembly and electric tool, the output subassembly includes: a motor; the processing piece is rotatably connected with the motor through the output shaft body; the retarding part is arranged on the output shaft body through a one-way bearing sleeve, and the retarding part is arranged between the motor and the machined part. Compared with the prior art, the effect that this scheme can reach: through the dead axle nature effect that the one-way bearing that the piece set up slowed down brought, even the machined part meets with the card and ends, and the machined part can be opened towards the direction bullet that the operation workman is located, the piece that slows down this moment still can rotate with established track to offset a part and make the machined part from treating the surface skew's of machined part elasticity, and then can strengthen the stability that the operation workman gripped electric tool, avoid taking place the machined part and being hindered and the moment of popping out, the elasticity that forms is too big makes the operation workman can't hold tightly, make the machined part move near operation work and cause the possibility of incident towards.

Description

Electric tool's output subassembly and electric tool

Technical Field

The utility model relates to an electric tool technical field particularly, relates to an electric tool's output subassembly and electric tool.

Background

With the development of electric tools, in the related art, during the machining process of the electric tool, the workpiece such as a saw blade or a drill bit is used for grinding and cutting the workpiece, but, during the cutting and grinding process, the workpiece such as the saw blade or the drill bit is operated at a high speed, when an operator fails to operate the workpiece or the hardness of a certain region of the workpiece changes suddenly, the workpiece such as the saw blade or the drill bit which is operated at a high speed is easily blocked, and at this time, along with the change of the acceleration of the workpiece such as the saw blade or the drill bit, the workpiece is easily bounced off from the surface of the workpiece, that is, the workpiece or the entire output end portion has a risk of moving toward the operator.

Therefore, how to reduce the elastic force when the workpiece at the output end part is blocked and the elastic force acts in the opposite direction becomes a problem which needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem how to reduce the elasticity when the machined part of output end portion acts on in the opposite direction when obstructed.

In order to solve the above problem, the utility model provides an electric tool's output subassembly, include: a motor; the processing piece is rotatably connected with the motor through the output shaft body; the retarding part is arranged on the output shaft body through a one-way bearing sleeve, and the retarding part is arranged between the motor and the machined part.

Compared with the prior art, the effect that this scheme can reach: through the dead axle nature effect that the one-way bearing that the piece set up slowed down brought, even the machined part meets with the card and ends, and the machined part can be opened towards the direction bullet that the operation workman is located, the piece that slows down this moment still can rotate with established track to offset a part and make the machined part from treating the surface skew's of machined part elasticity, and then can strengthen the stability that the operation workman gripped electric tool, avoid taking place the machined part and being hindered and the moment of popping out, the elasticity that forms is too big makes the operation workman can't hold tightly, make the machined part move near operation work and cause the possibility of incident towards.

In an embodiment of the present invention, the output shaft body includes: one end of the first output shaft is in transmission connection with the motor, and the retarding member is sleeved on the first output shaft; one end of the second output shaft is in transmission connection with the first output shaft, and the other end of the second output shaft is in transmission connection with the workpiece; wherein, the second output shaft is obliquely arranged relative to the first output shaft.

Compared with the prior art, the effect that this scheme can reach: the rotation of machined part is gone on through first output shaft drive second output shaft, and because the slope of second output shaft relative first output shaft sets up for the output end subassembly in this embodiment can adapt to more use scenes, more fits operation workman's operation habit simultaneously.

In an embodiment of the present invention, the rotation direction of the retarding member is always kept consistent with the rotation direction of the first output shaft.

Compared with the prior art, the effect that this scheme can reach: the buffering of the buffering part on the elasticity of the workpiece under the reverse action when the workpiece is blocked is ensured.

In an embodiment of the present invention, the first output shaft and the second output shaft are in transmission connection through a gear assembly.

Compared with the prior art, the effect that this scheme can reach: through the connection of the gear components, multistage transmission can be carried out between the first output shaft and the second output shaft, the transmission efficiency is improved, and meanwhile the service life of a machined part is prolonged.

In one embodiment of the present invention, a gear assembly comprises: the first gear disc is connected with the first output shaft; and the first gear disc drives the second gear disc to rotate.

Compared with the prior art, the effect that this scheme can reach: in a specific embodiment, the first gear disc adopts a pinion structure, and the second gear disc adopts a gearwheel structure, so that the labor-saving lever principle is realized, and the rotation efficiency of the workpiece is improved.

In an embodiment of the present invention, the first gear wheel disk is connected with the second gear wheel disk in a detachable transmission manner.

Compared with the prior art, the effect that this scheme can reach: after first toothed disc or second toothed disc take place to damage, be convenient for dismantle the change operation first toothed disc and second toothed disc accurately.

In an embodiment of the invention, the second output shaft is arranged perpendicular to the first output shaft.

Compared with the prior art, the effect that this scheme can reach: the first output shaft and the second output shaft which are perpendicular to each other can enable the workpiece to be adapted to more and more common use scenes.

In an embodiment of the present invention, the output end assembly of the electric power tool further includes: the radiating piece is sleeved on the output shaft body and is arranged between the retarding piece and the motor.

Compared with the prior art, the effect that this scheme can reach: in a specific embodiment, the heat dissipation member is specifically a heat dissipation fan, and the heat dissipation member is disposed to further improve the heat dissipation of the motor, so as to improve the service life of the output end assembly in this embodiment.

In one embodiment of the present invention, the retarder is a gyroscope.

Compared with the prior art, the effect that this scheme can reach: the buffering effect of the retarding piece is improved.

In an embodiment of the present invention, there is provided an electric power tool including: the shell body is provided with an installation space; as in any of the embodiments above, at least a portion of the output terminal assembly is disposed in the mounting space; wherein, the motor is arranged in the installation space, and the workpiece extends out of the installation space.

Compared with the prior art, the effect that this scheme can reach: the electric tool in this embodiment has the output end assembly in any one of the embodiments described above, so that the electric tool in this embodiment has the implementation manner of any one of the embodiments described above, and has the beneficial effects of any one of the embodiments described above, and details are not described herein again.

Drawings

FIG. 1 is a schematic diagram of an output terminal assembly;

FIG. 2 is a schematic view of the output assembly with the motor removed;

FIG. 3 is another schematic view of the output assembly with the motor removed;

FIG. 4 is a schematic structural view of the power tool;

description of the reference numerals:

1. an output end component; 100. a motor; 200. processing a workpiece; 300. a retarding member; 400. an output shaft body; 410. a first output shaft; 420. a second output shaft; 500. a gear assembly; 510. a first gear plate; 520. a second gear wheel disc; 600. a heat sink; 2. an electric tool; 21. a housing body; 22. and (5) installing space.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail.

The first embodiment is as follows:

referring to fig. 1 to 3, the present embodiment provides an output end assembly 1 of an electric power tool 2, including: a motor 100; the workpiece 200, the workpiece 200 is rotatably connected with the motor 100 through the output shaft body 400; the retarding element 300 is sleeved on the output shaft 400 through a one-way bearing, and the retarding element 300 is clamped between the motor 100 and the workpiece 200.

Wherein the rotation direction of the retarder 300 is always kept identical to the rotation direction of the first output shaft 410. Further, the retarder 300 is a gyroscope. The motor 100 is embodied as a driving motor 100, and the workpiece 200 is embodied as a saw blade or a drill structure.

The slow member 300 is located on output shaft body 400 through one-way bearing housing, through driving motor 100's operation, thereby output shaft body 400 drives slow member 300 and rotates towards the first direction, machined part 200 is the same and rotates along with output shaft body 400's rotation, wherein, the cutting direction when first direction is the machined part 200 and normally carries out the processing operation, can set up by oneself according to concrete operating mode and equipment model, and simultaneously, the direction of rotation of slow member 300 is unanimous with the direction of rotation of output shaft body 400 all the time, the direction of rotation that also is slow member 300 is the same with the first direction all the time.

Therefore, when the workpiece 200 is obstructed during the machining process, because the workpiece 200 is operated at a high speed, the workpiece 200 may be bounced away from the surface of the workpiece 200 to be machined in the direction opposite to the first direction due to the abrupt locking, so that the workpiece 200 may have a risk of moving in the direction of the operator, and may easily cause injury to the operator, therefore, even if the workpiece 200 is obstructed by the locking and the workpiece 200 may be bounced away in the direction opposite to the first direction, the gyroscope may still rotate in the first direction, so as to cancel a part of the elastic force deviating the workpiece 200 from the surface of the workpiece 200, thereby enhancing the stability of the operator holding the power tool 2, and avoiding the possibility of safety accidents caused by the fact that the operator cannot grip due to the excessive elastic force at the moment when the workpiece 200 is obstructed and bounced away, and the workpiece 200 moves close to the operation work.

Specifically, the output shaft body 400 includes: one end of the first output shaft 410 is in transmission connection with the motor 100, and the speed reducing member 300 is sleeved on the first output shaft 410; one end of the second output shaft 420 is in transmission connection with the first output shaft 410, and the other end of the second output shaft 420 is in transmission connection with the workpiece 200; wherein the second output shaft 420 is disposed obliquely with respect to the first output shaft 410.

Therefore, in the present embodiment, the rotation of the workpiece 200 is performed by driving the second output shaft 420 through the first output shaft 410, and the second output shaft 420 is disposed in an inclined manner relative to the first output shaft 410, so that the output end assembly 1 in the present embodiment can be adapted to more use scenes, and is more suitable for the operation habits of the operators.

Further, the first output shaft 410 and the second output shaft 420 are in transmission connection through a gear assembly 500. Through the connection of the gear assembly 500, multi-stage transmission can be performed between the first output shaft 410 and the second output shaft 420, so that the transmission efficiency is improved, and the service life of the workpiece 200 is prolonged.

Further, preferably, the gear assembly 500 includes: a first gear plate 510, the first gear plate 510 being connected to the first output shaft 410; the second gear plate 520, the second gear plate 520 is connected with the second output shaft 420, and the first gear plate 510 is engaged with the second gear plate 520, and the first gear plate 510 drives the second gear plate 520 to rotate. Wherein, the first gear wheel 510 adopts a pinion structure, and the second gear wheel 520 adopts a bull gear structure, so as to realize the labor-saving lever principle, thereby improving the rotation efficiency of the workpiece 200.

Further, the first gear plate 510 is detachably connected to the second gear plate 520 in a transmission manner. When the first gear plate 510 or the second gear plate 520 is damaged, the first gear plate 510 and the second gear plate 520 can be conveniently and accurately disassembled and replaced.

Preferably, the second output shaft 420 in this embodiment is vertically disposed with respect to the first output shaft 410. That is, referring to fig. 1 specifically, the first output shaft 410 and the second output shaft 420 that are disposed perpendicular to each other can make the workpiece 200 adapt to more and more common use scenarios, and improve the utilization rate of the output end assembly 1 in this embodiment. Meanwhile, compared with the arrangement of the first output shaft 410 and the second output shaft 420 in an acute angle or an obtuse angle, the transmission efficiency between the first output shaft 410 and the second output shaft 420 arranged vertically is optimal.

Further, the outlet end assembly 1 of the power tool 2 further comprises: the heat sink 600 is sleeved on the output shaft 400, and the heat sink 600 is disposed between the speed reducing member 300 and the motor 100.

The heat dissipation member 600 is specifically a heat dissipation fan, and the heat dissipation of the motor 100 can be further improved by the arrangement of the heat dissipation member 600, so that the service life of the output end assembly 1 in this embodiment is prolonged.

Meanwhile, since the heat sink 600 is disposed between the motor 100 and the retarder 300, the heat sink 600 may dissipate heat to a certain extent from the retarder 300, thereby improving the heat dissipation efficiency of the retarder 300, and ensuring that the retarder 300 can continuously and normally operate.

The second embodiment:

referring to fig. 2, the present embodiment provides an electric power tool 2, the electric power tool 2 including: a case body 21, the case body 21 being provided with an installation space 22; as in the output terminal assembly 1 of any of the above embodiments, at least part of the output terminal assembly 1 is disposed in the installation space 22; wherein the motor 100 is disposed in the installation space 22, and the workpiece 200 is disposed to extend out of the installation space 22.

In this embodiment, the electric tool 2 is specifically an angle grinder, and meanwhile, the electric tool 2 in this embodiment has the output end assembly 1 in any one of the embodiments described above, so that the electric tool 2 in this embodiment has the implementation manner of any one of the embodiments described above, and has the beneficial effects of any one of the embodiments described above, which is not repeated herein.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims

1. An outlet end assembly for a power tool, comprising:

a motor;

the workpiece is rotatably connected with the motor through an output shaft body;

the retarding part is arranged on the output shaft body through a one-way bearing sleeve, and the retarding part is clamped with the motor and between the machined parts.

2. The output end assembly of a power tool of claim 1, wherein the output shaft body comprises:

one end of the first output shaft is in transmission connection with the motor, and the retarding member is sleeved on the first output shaft;

one end of the second output shaft is in transmission connection with the first output shaft, and the other end of the second output shaft is in transmission connection with the workpiece;

wherein the second output shaft is arranged obliquely relative to the first output shaft.

3. The output end assembly of a power tool of claim 2,

the rotation direction of the retarding piece is always kept consistent with the rotation direction of the first output shaft.

4. The output end assembly of a power tool of claim 2,

the first output shaft and the second output shaft are in transmission connection through a gear assembly.

5. The power tool output end assembly of claim 4, wherein the gear assembly comprises:

a first gear plate connected with the first output shaft;

the second gear wheel disc is connected with the second output shaft, the first gear wheel disc is meshed with the second gear wheel disc, and the first gear wheel disc drives the second gear wheel disc to rotate.

6. The output end assembly of a power tool of claim 5,

the first gear disc is detachably connected with the second gear disc in a transmission manner.

7. The outlet end assembly of a power tool according to any one of claims 2 to 6,

the second output shaft is arranged vertically relative to the first output shaft.

8. The power tool cap assembly according to any one of claims 1-6, wherein the power tool cap assembly further comprises:

the heat dissipation part is sleeved on the output shaft body and is arranged between the retarding part and the motor.

9. The nosepiece assembly of a power tool according to any one of claims 1 to 6,

the retarder is a gyroscope.

10. An electric power tool, characterized in that the electric power tool comprises:

a housing body provided with an installation space;

the outlet end assembly of any one of claims 1 to 9, at least part of which is provided in the mounting space;

the motor is arranged in the installation space, and the workpiece extends out of the installation space.