CN220934959U

CN220934959U - Protective sleeve for reducing abrasion of motor output shaft of electric scissors

Info

Publication number: CN220934959U
Application number: CN202322230792.9U
Authority: CN
Inventors: 王双春
Original assignee: Liuge Shenzhen Technology Co ltd
Current assignee: Liuge Shenzhen Technology Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-05-10
Anticipated expiration: 2033-08-18

Abstract

The utility model relates to the technical field of electric scissors, in particular to a protective sleeve for reducing abrasion of a motor output shaft of the electric scissors, which comprises a transmission block, wherein an inner gear groove is formed in the inner wall of one side of the transmission block, a gear is connected with the inner wall of the inner gear groove in a meshed mode, a plug hole is formed in the side wall of one side, far away from the gear, of the transmission block, a plug ring is arranged in the inner wall of the plug hole, the plug ring comprises a ring body, through holes are formed in the ring body in a penetrating mode, a motor output shaft is arranged on one side, far away from the transmission block, of the plug ring, and first limiting surfaces are formed in the top and the bottom of the motor output shaft. When the electric scissors are used, the motor output shaft is protected through the plug ring, and when the plug ring is worn, only the new plug ring is needed to be replaced, so that the wear caused by the fact that the motor output shaft is directly connected with a rigid part is reduced, the service life of the electric scissors is improved, and the situation that the electric scissors cannot be sheared in place due to the fact that the motor output shaft is worn is avoided.

Description

Protective sleeve for reducing abrasion of motor output shaft of electric scissors

Technical Field

The utility model relates to the technical field of electric scissors, in particular to a protective sleeve for reducing abrasion of an output shaft of an electric scissors motor.

Background

The electric scissors are hand-held electric tools which take an electric motor as power and drive a working head to perform shearing operation through a transmission mechanism. The electric shears are composed of motor, speed reducer, eccentric shaft, link mechanism, switch, non-re-connectable plug and cutter. When the electric scissors are used, kinetic energy is mainly provided by the motor, the shearing operation is completed by matching with the reduction gearbox, the eccentric shaft and the connecting rod mechanism, and the abrasion of the motor output shaft, the internal transmission gear and the transmission part is caused due to the increase of the use rate of the motor along with the increase of the use time of the electric scissors, so that the motor output shaft is not transmitted in place, and the situation that the electric scissors cannot be sheared in place is caused, therefore, the application provides a protective sleeve for reducing the abrasion of the motor output shaft of the electric scissors.

Disclosure of utility model

The utility model aims to provide a protective sleeve for reducing the abrasion of a motor output shaft of an electric scissors, the device adopts a transmission block to carry out transmission switching between the motor output shaft and a gear, meanwhile, a replaceable inserting ring is adopted on the transmission block to finish transmission connection of the motor output shaft and the transmission block, when the protective sleeve is used, the motor output shaft rotates, the inserting ring is driven to rotate through the cooperation of a first limiting surface and a second limiting surface, so that the transmission block is driven to rotate, when the protective sleeve is used, the motor output shaft is protected through the inserting ring, when the inserting ring is worn, only a new inserting ring is needed to be replaced, so that the abrasion caused by the direct connection of the motor output shaft with a rigid part is reduced, the service life of the electric scissors is improved, the situation that the electric scissors cannot be cut in place due to the abrasion of the motor output shaft is avoided, the problem that the use frequency of the electric scissors is increased along with the increase of the service time of the electric scissors, the abrasion of the motor output shaft is caused by the internal transmission gear and the transmission part is not in place, and the situation that the electric scissors cannot be cut in place is caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a protective sheath for reducing electric shears motor output shaft wearing and tearing, includes the transmission piece, the internal gear groove has been seted up to one side inner wall of transmission piece, the inner wall meshing of internal gear groove is connected with the gear, the spliced eye has been seted up to the lateral wall that gear one side was kept away from to the transmission piece, the inner wall of spliced eye is provided with the spliced eye, the spliced eye includes a ring body, the through-hole has been seted up in the inside of ring body, one side that the transmission piece was kept away from to the spliced eye is provided with motor output shaft, first spacing face has all been seted up to motor output shaft's top and bottom, motor output shaft is close to the one end and the through-hole cartridge of transmission piece and is connected, the second spacing face has been seted up with first spacing face position assorted inner wall to the through-hole.

As a further scheme of the utility model: the outer diameter size of the motor output shaft is matched with the inner diameter size of the through hole.

As still further aspects of the utility model: the outer diameter of the plug ring is matched with the inner diameter of the plug hole, and the plug ring is in clamping connection with the plug hole.

As still further aspects of the utility model: limiting grooves are formed in the inner walls of the two sides of the plug hole, and limiting blocks are fixed on the side walls of the plug ring, which are matched with the positions of the limiting grooves.

As still further aspects of the utility model: one side of each limiting groove, which is close to the corresponding plug hole, is connected with the corresponding plug hole in a penetrating manner.

As still further aspects of the utility model: the outer diameter sizes of the two limiting blocks are matched with the inner diameter size of the limiting groove, and the two limiting blocks are clamped with the limiting groove.

Compared with the prior art, the utility model has the beneficial effects that: the device adopts the transmission block to carry out the transmission switching between motor output shaft and the gear, simultaneously, adopt removable grafting ring to accomplish the transmission connection of motor output shaft and transmission block on the transmission block, when using, motor output shaft rotates, through first spacing face and the cooperation of second spacing face use, drive grafting ring rotation, thereby drive the transmission block and rotate, during the use, protect motor output shaft through the grafting ring, when the inside wearing and tearing of grafting ring, only need the grafting ring that changes new can, thereby reduce motor output shaft directness and the wearing and tearing that rigid spare part is connected and is caused, improve electric scissors's use life surface, avoid electric scissors to cause the condition of shearing not in place because of motor output shaft wearing and tearing.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the plugging ring according to the present utility model;

Fig. 4 is a schematic side view of a driving block according to the present utility model.

In the figure: 1. a transmission block; 11. a plug hole; 12. a limit groove; 2. an output shaft of the motor; 21. a first limiting surface; 3. a plug ring; 31. a ring body; 32. a limiting block; 33. a through hole; 34. the second limiting surface; 4. a gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "one end", "one side", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 4, in an embodiment of the present utility model, a protection sleeve for reducing wear of a motor output shaft of an electric scissors includes a transmission block 1, an inner gear groove is formed on an inner wall of one side of the transmission block 1, a gear 4 is engaged with an inner wall of the inner gear groove, a socket 11 is formed on a side wall of the transmission block 1 far away from the gear 4, a socket ring 3 is disposed on an inner wall of the socket 11, the socket ring 3 includes a ring body 31, a through hole 33 is formed in the ring body 31 in a penetrating manner, a motor output shaft 2 is disposed on a side of the socket ring 3 far away from the transmission block 1, first limiting surfaces 21 are formed at top and bottom of the motor output shaft 2, one end of the motor output shaft 2 close to the transmission block 1 is connected with the through hole 33 in an inserting manner, and a second limiting surface 34 is formed on an inner wall of the through hole 33 matched with the first limiting surface 21.

Referring to fig. 1, in the present embodiment, two first limiting surfaces 21 and two second limiting surfaces 34 are mutually matched and opened, so that when the motor output shaft 2 rotates, the plug ring 3 is driven to rotate by the matching of the two first limiting surfaces 21 and the two second limiting surfaces 34, and the transmission block 1 is driven to rotate by the matching of the limiting block 32 on the plug ring 3 and the limiting groove 12, so as to complete the transmission operation of the motor output shaft 2.

Preferably, the outer diameter of the motor output shaft 2 matches the inner diameter of the through hole 33.

Preferably, the outer diameter of the plug ring 3 is matched with the inner diameter of the plug hole 11, and the plug ring 3 is in clamping connection with the plug hole 11.

Referring to fig. 1, in the present embodiment, the plugging ring 3 is plugged with the plugging hole 11, so as to facilitate replacement of the plugging hole 3.

Preferably, the inner walls at both sides of the plugging hole 11 are respectively provided with a limiting groove 12, and the side walls of the plugging ring 3, which are matched with the limiting grooves 12 in position, are respectively fixed with a limiting block 32.

Preferably, one side of each of the two limiting grooves 12, which is close to the plugging hole 11, is connected with the plugging hole 11 in a penetrating manner.

Referring to fig. 1 and 2, in the present embodiment, the limiting groove 12 cooperates with the limiting block 32 to limit the connection of the plugging ring 3, and ensure that the driving block 1 can be driven to rotate when the plugging ring 3 rotates.

Preferably, the outer diameter of the two limiting blocks 32 is matched with the inner diameter of the limiting groove 12, and the two limiting blocks 32 are clamped with the limiting groove 12.

The working principle of the utility model is as follows: when the device is used, the transmission block 1 is only required to be installed in a transmission part of the electric scissors, and when the motor is started, the motor output shaft 2 is driven to rotate, the transmission block 1 is driven to rotate through the cooperation of the first limiting surface 21 and the second limiting surface 34 and the cooperation of the limiting block 32 and the limiting groove 12, so that the transmission operation of the electric scissors during work is completed.

Along with the increase of the service time and the service frequency of the electric scissors, the motor output shaft 2 can wear the inner wall of the plug-in ring 3, and at the moment, only the new plug-in ring 3 needs to be replaced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a protective sheath for reducing electric shears motor output shaft wearing and tearing, includes transmission piece (1), its characterized in that: the inner wall of one side of transmission piece (1) has seted up the internal gear groove, the inner wall meshing of internal gear groove is connected with gear (4), spliced eye (11) have been seted up to the lateral wall that gear (4) one side was kept away from to transmission piece (1), the inner wall of spliced eye (11) is provided with spliced eye (3), spliced eye (3) include ring body (31), through hole (33) have been seted up in the inside of ring body (31), one side that transmission piece (1) was kept away from to spliced eye (3) is provided with motor output shaft (2), first spacing face (21) have all been seted up to the top and the bottom of motor output shaft (2), one end that motor output shaft (2) are close to transmission piece (1) is inserted with through hole (33) and is established and be connected, second spacing face (34) have been seted up with first spacing face (21) position assorted inner wall to through hole (33).

2. A protective cover for reducing wear on an output shaft of an electric scissor motor according to claim 1, wherein: the outer diameter of the motor output shaft (2) is matched with the inner diameter of the through hole (33).

3. A protective cover for reducing wear on an output shaft of an electric scissor motor according to claim 1, wherein: the outer diameter of the plug ring (3) is matched with the inner diameter of the plug hole (11), and the plug ring (3) is connected with the plug hole (11) in a clamping mode.

4. A protective cover for reducing wear on an output shaft of an electric scissor motor according to claim 1, wherein: limiting grooves (12) are formed in the inner walls of the two sides of the plug hole (11), and limiting blocks (32) are fixed on the side walls of the plug ring (3) matched with the limiting grooves (12).

5. A protective cover for reducing wear on an output shaft of an electric scissor motor according to claim 4, wherein: one side of each limiting groove (12) close to the corresponding plug hole (11) is connected with the corresponding plug hole (11) in a penetrating mode.

6. A protective cover for reducing wear on an output shaft of an electric scissor motor according to claim 4, wherein: the outer diameter sizes of the two limiting blocks (32) are matched with the inner diameter sizes of the limiting grooves (12), and the two limiting blocks (32) are clamped with the limiting grooves (12).