CN219018617U

CN219018617U - DC brush worm gear speed reducing motor for folding washing machine

Info

Publication number: CN219018617U
Application number: CN202223305303.3U
Authority: CN
Inventors: 刘乐俊; 唐震东; 陆震海; 陆红林; 刘天奇
Original assignee: Jiangsu Huansheng Motor Co ltd; Jiangsu Sanjiang Electric Group Co ltd
Current assignee: Jiangsu Huansheng Motor Co ltd; Jiangsu Sanjiang Electric Group Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-12
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to the technical field of motors for folding washing machines, in particular to a direct-current brush worm gear speed reducing motor for a folding washing machine. When the utility model is used, the forward rotation starting voltage of the motor is consistent with the reverse rotation starting voltage of the motor, the problem that the forward rotation output torque of the worm gear motor has larger phase difference with the output torque during reverse rotation is avoided, and the utility model is very convenient to use.

Description

DC brush worm gear speed reducing motor for folding washing machine

Technical Field

The utility model relates to the technical field of motors for folding washing machines, in particular to a direct-current brush worm gear speed reduction motor for a folding washing machine.

Background

The folding washing machine is widely used for hotels or single personnel, or when the number of clothes is small, the clothes can be conveniently washed.

The worm gear reducer refers to an integrated body of the worm gear reducer and the motor; the worm gear speed reducer is a power transmission mechanism and at least comprises a group of worm gears and worms which are meshed with each other.

At present, a significant part of worms in worm gear speed reducers in the market are directly connected with a rotating shaft of a motor, and in the worm gear speed reducer of the type, when the rotating shaft of the motor rotates positively and reversely, the rotating shaft of the motor can receive axial forces in different directions and axially displace under the action of the axial forces, so that the rotating shaft of the motor is abutted with a non-extending end cover of a motor shell or a limiting piece on the rotating shaft of the motor is abutted with a extending end cover (or a front end bearing) of the motor shell.

In view of the above-mentioned related art, the inventors consider that there is a defect that the output torque of the worm gear motor in forward rotation and the output torque in reverse rotation are greatly different, and therefore, we need to propose a direct current brush worm gear motor for a folding washing machine.

Disclosure of Invention

The utility model aims to provide a direct-current brush worm gear reduction motor for a folding washing machine, which is used for avoiding the defect that the output torque of the worm gear reduction motor in forward rotation and the output torque in reverse rotation have larger difference, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the direct-current brush worm gear speed reducing motor for the folding washing machine comprises a carbon brush motor body, wherein a worm sleeve is arranged at one end of an output shaft of the carbon brush motor body, a worm is arranged in the worm sleeve, a reduction gearbox is arranged at one side of the carbon brush motor body, a worm gear matched with the worm is arranged in the reduction gearbox, and a reduction gearbox front cover plate is arranged at one side of the reduction gearbox;

an output shaft is arranged in the worm wheel, and one end of the output shaft penetrates through the front cover plate of the reduction gearbox and extends to the outer portion of the front cover plate of the reduction gearbox.

In one possible design, one end of the output shaft of the carbon brush motor body is fixedly provided with a motor front cover plate through a first fixing bolt, and one end of the output shaft of the carbon brush motor body is provided with a thread installation hole for the first fixing bolt to be in threaded connection.

In one possible design, a through hole is formed in one side of the motor front cover plate, and one end of the worm is located inside the through hole.

In one possible design, the reduction gearbox is arranged on one side of the motor front cover plate.

In one possible design, the end of the carbon brush motor body, which is far away from the output shaft, is fixedly provided with a motor rear cover plate through a second fixing bolt.

In one possible design, the carbon brush motor body is electrically connected with a power connection wire, and the power connection wire is electrically connected with a power ground wire.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model relates to a carbon brush motor which comprises a shell, a worm connected with the output end of a motor in the shell, and a reduction gearbox, wherein the reduction gearbox comprises a shell, an output shaft and a worm gear reduction mechanism which is arranged in the shell and matched with the worm, and the worm gear reduction mechanism is in transmission connection with the output shaft;

the worm gear and worm reduction mechanism comprises a worm sleeve arranged on one side of the carbon brush motor body and a reduction worm wheel which is rotationally connected inside the reduction gearbox and meshed with the worm, a limit seat is fixedly arranged in the shell of the reduction gearbox, a positioning blind hole is formed in one side of the limit seat, and one end of an output shaft penetrates through the side wall of the shell, extends into the positioning blind hole and is in running fit with the positioning blind hole;

by adopting the technical scheme, when the output shaft of the carbon brush motor body rotates positively, the rotating shaft is abutted with the end cover of the non-extending end of the shell under the reaction force of the speed reduction worm wheel; when the output shaft of the carbon brush motor body reverses, the rotating shaft is abutted with the bottom of the positioning blind hole under the reaction force of the speed reduction worm wheel; because the areas of the end surfaces at the two ends of the rotating shaft are the same, when the rotating shaft rotates positively and rotates reversely, the friction resistance born by the end surfaces of the rotating shaft is the same, and after the motor is blocked, the motor forward rotation starting voltage is consistent with the motor reverse rotation starting voltage, so that the defect that the output torque of the worm gear motor in forward rotation is larger than the output torque in reverse rotation is avoided, and the worm gear motor is convenient to use.

Drawings

Fig. 1 is a schematic diagram of a front view of a dc brush worm gear reduction motor for a folding washing machine according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of the inside of a reduction gearbox in a direct-current brushed worm gear reduction motor for a folding washing machine according to an embodiment of the present utility model;

fig. 3 is a schematic side view of a carbon brush motor body in a dc brush worm gear reduction motor for a folding washing machine according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a rear cover of a reduction gearbox in a direct-current brushed worm gear reduction motor for a folding washing machine according to an embodiment of the utility model.

In the figure: 1. a carbon brush motor body; 2. a worm; 3. a front cover plate of the reduction gearbox; 4. a reduction gearbox; 5. a first fixing bolt; 6. a second fixing bolt; 7. a worm sleeve; 8. a power supply ground wire; 9. a worm wheel; 10. a motor front cover plate; 11. a threaded mounting hole; 12. a through hole; 13. a power supply connection line; 14. an output shaft; 15. and a motor rear cover plate.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.

In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution:

the direct-current brush worm gear reduction motor for the folding washing machine comprises a carbon brush motor body 1, wherein one end of an output shaft of the carbon brush motor body 1 is provided with a worm sleeve 7, a worm 2 is arranged in the worm sleeve 7, one end of the output shaft of the carbon brush motor body 1 is fixedly provided with a motor front cover plate 10 through a first fixing bolt 5, one end of the output shaft of the carbon brush motor body 1 is provided with a thread mounting hole 11 for the first fixing bolt 5 to be in threaded connection, one side of the motor front cover plate 10 is provided with a through hole 12, and the other end of the worm 2 is positioned in the through hole 12;

one side of the carbon brush motor body 1 is provided with a reduction gearbox 4, the reduction gearbox 4 is arranged on one side of a motor front cover plate 10, a worm wheel 9 matched with the worm 2 is arranged inside the reduction gearbox 4, one side of the reduction gearbox 4 is provided with a reduction gearbox front cover plate 3, an output shaft 14 is arranged inside the worm wheel 9, and one end of the output shaft 14 penetrates through the reduction gearbox front cover plate 3 and extends to the outside of the reduction gearbox front cover plate 3;

the carbon brush motor body 1 comprises a shell and a worm 2 connected with a motor output end in the shell, and the reduction gearbox 4 comprises a shell, an output shaft 14 and a worm wheel 9 reduction mechanism which is arranged in the shell and matched with the worm 2, wherein the worm wheel reduction mechanism is in transmission connection with the output shaft 14;

the worm gear and worm reduction mechanism comprises a worm sleeve 7 arranged on one side of the carbon brush motor body 1 and a worm wheel 9 rotatably connected in the reduction gearbox and meshed with the worm 2, a limit seat is fixedly arranged in the shell of the reduction gearbox, a positioning blind hole is formed in one side of the limit seat, and one end of an output shaft penetrates through the side wall of the shell, extends into the positioning blind hole and is in rotary fit with the positioning blind hole;

when the output shaft of the carbon brush motor body 1 rotates positively, the rotating shaft is abutted against the end cover of the non-extending end of the shell under the reaction force of the reduction worm wheel; when the output shaft of the carbon brush motor body 1 reverses, the rotating shaft is abutted with the bottom of the positioning blind hole under the reaction force of the speed reduction worm wheel; because the areas of the end surfaces at the two ends of the rotating shaft are the same, when the rotating shaft rotates positively and reversely, the friction resistance born by the end surfaces of the rotating shaft is the same, and when the motor is blocked, the motor forward rotation starting voltage is consistent with the motor reverse rotation starting voltage;

the end, far away from the output shaft, of the carbon brush motor body 1 is fixedly provided with a motor rear cover plate 15 through a second fixing bolt 6, and the motor rear cover plate is used for plugging one side of the carbon brush motor body 1;

the electric connection has power connecting wire 13 on the carbon brush motor body 1, electric connection has power earth connection 8 on the power connecting wire 13, is used for the carbon brush motor body 1 to connect the electricity through power connecting wire 13, through the setting of power earth connection 8 for avoid carbon brush motor body 1 to appear the clearance of electric leakage, facilitate the use.

Working principle: the motor comprises a carbon brush motor body 1 and a reduction gearbox 4, wherein the carbon brush motor body 1 comprises a shell and a worm 2 connected with a motor output end in the shell, the reduction gearbox 4 comprises a shell, an output shaft 14 and a worm wheel 9 reduction mechanism which is arranged in the shell and matched with the worm 2, and the worm wheel reduction mechanism is in transmission connection with the output shaft 14;

when the output shaft of the carbon brush motor body 1 rotates positively, the rotating shaft is abutted against the end cover of the non-extending end of the shell under the reaction force of the reduction worm wheel; when the output shaft of the carbon brush motor body 1 reverses, the rotating shaft is abutted with the bottom of the positioning blind hole under the reaction force of the speed reduction worm wheel; because the areas of the end surfaces at the two ends of the rotating shaft are the same, when the rotating shaft rotates positively and rotates reversely, the friction resistance born by the end surfaces of the rotating shaft is the same, and after the motor is blocked, the motor rotates positively and the motor rotates reversely, so that the problem that the output torque of the worm gear motor in the forward rotation is larger than the output torque of the worm gear motor in the reverse rotation is avoided, and the use is very convenient.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a direct current has brush worm gear motor for folding washing machine, includes carbon brush motor body (1), its characterized in that: one end of an output shaft of the carbon brush motor body (1) is provided with a worm sleeve (7), a worm (2) is arranged in the worm sleeve (7), one side of the carbon brush motor body (1) is provided with a reduction gearbox (4), the inside of the reduction gearbox (4) is provided with a worm wheel (9) matched with the worm (2), and one side of the reduction gearbox (4) is provided with a reduction gearbox front cover plate (3);

an output shaft (14) is arranged in the worm wheel (9), and one end of the output shaft (14) penetrates through the front cover plate (3) of the reduction gearbox and extends to the outer portion of the front cover plate (3) of the reduction gearbox.

2. The direct current brushed worm gear reduction motor for a folder type washing machine as recited in claim 1, wherein: one end of an output shaft of the carbon brush motor body (1) is fixedly provided with a motor front cover plate (10) through a first fixing bolt (5), and one end of the output shaft of the carbon brush motor body (1) is provided with a thread installation hole (11) for the first fixing bolt (5) to be in threaded connection.

3. The direct current brushed worm gear reduction motor for a folder type washing machine as recited in claim 2, wherein: one side of the motor front cover plate (10) is provided with a through hole (12), and the other end of the worm (2) is positioned in the through hole (12).

4. A direct current brushed worm gear reduction motor for a folder type washing machine as recited in claim 3, wherein: the reduction gearbox (4) is arranged on one side of the motor front cover plate (10).

5. The direct current brushed worm gear reduction motor for a folder type washing machine as recited in claim 1, wherein: one end of the carbon brush motor body (1) far away from the output shaft is fixedly provided with a motor back cover plate (15) through a second fixing bolt (6).

6. The direct current brushed worm gear reduction motor for a folder type washing machine as recited in claim 1, wherein: the carbon brush motor comprises a carbon brush motor body (1), wherein a power connecting wire (13) is electrically connected to the carbon brush motor body, and a power grounding wire (8) is electrically connected to the power connecting wire (13).