CN217590486U

CN217590486U - Hand-operated motor structure

Info

Publication number: CN217590486U
Application number: CN202221308597.2U
Authority: CN
Inventors: 孙子军; 管学军
Original assignee: Wuxi Hongba Mechanical And Electrical Equipment Co ltd
Current assignee: Wuxi Hongba Electromechanical Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-14
Anticipated expiration: 2032-05-27

Abstract

The utility model belongs to the technical field of motors, and relates to a hand-operated motor structure, which comprises a stator component, a rotor component and a hand-operated component; a transmission shaft is arranged in a motor tube of the stator assembly, an upper motor cover is arranged at the upper end of the motor tube, a first ball bearing is pressed between the upper motor cover and the transmission shaft, a carbon brush frame is fixed on the upper motor cover, a pair of carbon brushes and a carbon brush jacking spring are arranged in the carbon brush frame, the carbon brushes press the carbon brush jacking spring to be in contact with the commutator for conduction, and the carbon brushes supply power through power lines; the tail part of the motor is additionally provided with a hand-cranking component, particularly, the hand-cranking component is separated from a transmission shaft of the motor and does not work under the normal power-on state, the normal operation of the motor is not influenced, and the hand-cranking component can be connected with the transmission shaft in the motor under the power-off or power-lack state to realize the hand-cranking function; when the motor normally operates, the hand-cranking structure is separated from the motor structure, and under the power-off state, the hand-cranking function can be realized by simple operation and connection of the hand-cranking assembly, and the hand-cranking rotating wheel is self-provided.

Description

Hand-operated motor structure

Technical Field

The utility model belongs to the technical field of the motor, a hand motor structure is related to.

Background

In the prior art, a direct current brush motor used by most hand-operated motors is used as a power source, and once the hand-operated motors are in a power failure or power loss state, the whole hand-operated motor structure is locked and cannot stretch out and draw back, so that a driven object can be suspended in a half-empty state or the mechanism cannot be opened or closed; at present, the hand-operated motor on the market does not have the function of manually withdrawing in case of power failure, the hand-operated component of the motor on the market mostly moves together with the hand-operated motor, the hand-operated component moves together with the hand-operated motor for a long time, the damage of the hand-operated component is easily caused, and parts such as a hand crank are additionally configured on some hand-operated components.

Disclosure of Invention

The utility model aims to provide a hand motor structure, which can solve the problem that the hand motor basically has no function of hand recovery in power failure; the hand crank and other parts are required to be additionally arranged when the hand crank and the hand motor move together.

According to the utility model provides a technical scheme: a hand-cranking motor structure comprises a stator component, a rotor component and a hand-cranking component; a transmission shaft is arranged in a motor tube of the stator assembly, an upper motor cover is arranged at the upper end of the motor tube, a first ball bearing is pressed between the upper motor cover and the transmission shaft, a carbon brush frame is fixed on the upper motor cover, a pair of carbon brushes and a carbon brush jacking spring are arranged in the carbon brush frame, the carbon brushes press the carbon brush jacking spring to be in contact with a commutator for conducting electricity, the carbon brushes supply electricity through a power line, and an N-pole magnetic shoe and an S-pole magnetic shoe are adhered to the inner wall of the motor tube to form the stator assembly;

the transmission shaft is provided with a commutator and a sun-type sleeve, the silicon steel sheet is pressed on the sun-type sleeve, one end of an enameled wire is fixed on the commutator, and the other end of the enameled wire is wound in the groove of the silicon steel sheet to form a rotor assembly;

the motor lower cover is equipped with to the lower extreme of motor pipe, the motor lower cover is equipped with hand separation and reunion pivot, and hand runner dress is in hand separation and reunion pivot, be equipped with spacing hole in the hand separation and reunion pivot, spacing downthehole top tight spring and the hand subassembly of spacing ball constitution of being equipped with.

Preferably, hand separation and reunion pivot upper end is equipped with flat position recess, the lower extreme of transmission shaft is equipped with flat position, flat position and flat position recess cooperate to be connected and realize hand.

Preferably, the motor lower cover is provided with an O-shaped ring groove, the first O-shaped ring is arranged in the O-shaped ring groove and is sealed through surface contact of the hand-operated clutch rotating shaft.

Preferably, the upper end of the hand-operated clutch rotating shaft is provided with a limiting step.

Preferably, the end surfaces of the lower motor cover and the upper motor cover are respectively provided with an O-shaped ring groove, and a second O-shaped ring is arranged in the O-shaped ring groove.

Preferably, a hexagonal hole is formed in the hand-cranking clutch rotating shaft.

Preferably, a second ball bearing is pressed between the lower motor cover and the transmission shaft.

Preferably, the motor lower cover is further provided with a ball groove. The flat groove and the flat shape are both square.

The positive progress effect of this application lies in:

the embodiment of the utility model provides a hand motor structure, at motor afterbody increase a hand subassembly, specifically under the normal state of having electricity, hand subassembly breaks away from the inoperative with the transmission shaft of motor, does not influence the normal operating of motor, can link to each other hand subassembly with the transmission shaft in the motor under outage or insufficient voltage state and realize the hand function; when the motor normally operates, the hand-cranking structure is separated from the motor structure, and under the power-off state, the hand-cranking function can be realized by simple operation and connection of the hand-cranking assembly, and the hand-cranking rotating wheel is self-provided.

Drawings

Fig. 1 is a front view of the present invention.

In the figure: a hand-operated rotating wheel 1; a hand-operated clutch rotating shaft 2; a first O-ring 3; the spring 4 is tightly pressed; a limiting ball 5; a first ball bearing 6-1 and a second ball bearing 6-2; a motor lower cover 7; a second O-ring 8; a motor tube 9; a silicon steel sheet 10; an N-pole magnetic shoe 11; enameled wires 12; a commutator 13; a carbon brush 14; the carbon brush tightly pushes the spring 15; a carbon brush holder 16; a motor upper cover 17; a drive shaft 18; a power supply line 19; a solar sleeve 20; an S pole magnetic shoe 21; a fastening screw 22; a flat groove 23; a stop step 24.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1, the present invention relates to a hand cranking motor structure, which comprises a stator assembly, a rotor assembly and a hand cranking assembly; a transmission shaft 18 is arranged in a motor tube 9 of the stator assembly, a motor upper cover 17 is arranged at the upper end of the motor tube 9, a first ball bearing 6-1 is pressed between the motor upper cover 17 and the transmission shaft 18, a carbon brush holder 16 is fixed on the motor upper cover 17, a pair of carbon brushes 14 and a carbon brush jacking spring 15 are arranged in the carbon brush holder 16, the carbon brushes 14 press the carbon brush jacking spring 15 to be in contact with a commutator 13 for conduction, the carbon brushes 14 are connected with an external power supply for power supply through a power line 19, and an N-pole magnetic tile 11 and an S-pole magnetic tile 21 are adhered to the inner wall of the motor tube 9 to form the stator assembly;

the transmission shaft 18 is respectively provided with a commutator 13 and a sun-type sleeve 20, the silicon steel sheet 10 is pressed on the sun-type sleeve 20, one end of an enameled wire 12 is fixed on the commutator 13, and the other end is wound in a groove of the silicon steel sheet 10 to form a rotor assembly;

the lower end of the motor pipe 9 is provided with a motor lower cover 7, and the motor lower cover 7 is provided with a hand-operated clutch rotating shaft 2; hand runner 1 dress is on hand separation and reunion pivot 2, be equipped with spacing hole on the hand separation and reunion pivot 2, spacing downthehole top tension spring 4 and spacing ball 5 constitution hand subassembly of being equipped with. The motor lower cover 7 is also provided with a ball groove; the jacking spring 4 compresses the limiting ball 5 in a ball groove of the lower motor cover 7. And a second ball bearing 6-2 is pressed between the lower motor cover 7 and the transmission shaft 18.

When the hand-operated wheel is hand-operated, the hand-operated rotating wheel 1 and the hand-operated clutch rotating shaft 2 are pushed upwards, the limit ball 5 is forced to extrude the puller spring 4, and the puller spring 4 is forced to compress, so that the limit ball 5 is pushed to the upper ball groove by the upward thrust of the hand-operated clutch rotating shaft 2, and the puller spring 4 is reset at the moment to drive the limit ball 5 to be pushed into the groove wall of the upper ball groove, and the fixation is finished; meanwhile, the flat groove 23 is matched with the flat to complete hand cranking.

The upper end of the hand-operated clutch rotating shaft 2 is provided with a flat groove 23, the lower end of the transmission shaft 18 is provided with a flat, and the flat is connected with the flat groove 23 to realize hand operation; the flat groove 23 and the flat are both square, so that the two will not slip.

The motor lower cover 7 is provided with an O-shaped ring groove, and the first O-shaped ring 3 is arranged in the O-shaped ring groove and is in contact sealing with the hand-operated clutch rotating shaft 2.

The upper end of the hand-operated clutch rotating shaft 2 is provided with a limiting step 24; prevent the hand-operated clutch shaft 2 from falling off.

And O-shaped ring grooves are respectively formed in the end surfaces of the lower motor cover 7 and the upper motor cover 17, and second O-shaped rings 8 are arranged in the O-shaped ring grooves.

A hexagonal hole is reserved on the hand-operated clutch rotating shaft 2; other electric guns can be used for realizing quick hand cranking through the reserved hexagonal holes.

When not in operation, the jacking spring 4 compresses the limiting ball 5 in the lower ball groove; when the device works, the jacking spring 4 presses the limiting ball 5 in the upper ball groove.

The working process is as follows:

when hand cranking is needed, the hand-cranking clutch rotating shaft 2 is pressed by hand, the limiting ball 5 moves inwards to compress the jacking spring 4, the jacking spring 4 moves to an upper ball groove, the jacking spring 4 resets, the limiting ball 5 rebounds and is clamped into the upper ball groove, and meanwhile, the flat groove 23 and the flat groove are matched with each other, so that the manual operation can be started when the hand cranking is in place; when hand-cranking operation is not needed, the hand-cranking clutch rotating shaft 2 is pulled by hand, the limiting ball 5 moves inwards to compress the jacking spring 4, the limiting ball 4 in the last groove is pulled back to rebound, the hand-cranking component is separated from the motor transmission shaft 18, and the motor can be electrified to run.

It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. A hand-cranking motor structure is characterized by comprising a stator component, a rotor component and a hand-cranking component; a transmission shaft (18) is arranged in a motor tube (9) of the stator assembly, a motor upper cover (17) is arranged at the upper end of the motor tube (9), a first ball bearing (6-1) is pressed between the motor upper cover (17) and the transmission shaft (18), a carbon brush frame (16) is fixed on the motor upper cover (17), a pair of carbon brushes (14) and a carbon brush jacking spring (15) are arranged in the carbon brush frame (16), the carbon brushes (14) are pressed against the carbon brush jacking spring (15) to be in contact with the commutator (13) for conducting electricity, the carbon brushes (14) are powered by a power line (19), and an N-pole magnetic shoe (11) and an S-pole magnetic shoe (21) are adhered to the inner wall of the motor tube (9) to form the stator assembly;

the transmission shaft (18) is respectively provided with a commutator (13) and a solar sleeve (20), the silicon steel sheet (10) is pressed on the solar sleeve (20), one end of an enameled wire (12) is fixed on the commutator (13), and the other end of the enameled wire is wound in a groove of the silicon steel sheet (10) to form a rotor assembly;

motor lower cover (7) are equipped with to the lower extreme of motor pipe (9), hand separation and reunion pivot (2) are equipped with on motor lower cover (7), and hand runner (1) is adorned on hand separation and reunion pivot (2), be equipped with spacing hole on hand separation and reunion pivot (2), spacing downthehole top tension spring (4) and spacing ball (5) constitution hand subassembly of being equipped with.

2. A hand crank motor structure as claimed in claim 1, wherein: hand separation and reunion pivot (2) upper end is equipped with flat position recess (23), the lower extreme of transmission shaft (18) is equipped with flat position, flat position and flat position recess (23) cooperate to be connected and realize hand.

3. A hand crank motor structure as claimed in claim 1, wherein: the motor lower cover (7) is provided with an O-shaped ring groove, the first O-shaped ring (3) is arranged in the O-shaped ring groove, and the surface contact sealing is realized through the hand-operated clutch rotating shaft (2).

4. A hand crank motor structure as claimed in claim 1, wherein: and a limiting step (24) is arranged at the upper end of the hand-operated clutch rotating shaft (2).

5. A hand crank motor structure as claimed in claim 1, wherein: and the end surfaces of the lower motor cover (7) and the upper motor cover (17) are respectively provided with an O-shaped ring groove, and a second O-shaped ring (8) is arranged in the O-shaped ring groove.

6. A hand crank motor structure as claimed in claim 1, wherein: and a hexagonal hole is formed in the hand-operated clutch rotating shaft (2).

7. A hand crank motor structure as claimed in claim 1, wherein: a second ball bearing (6-2) is pressed between the motor lower cover (7) and the transmission shaft (18).

8. A hand crank motor structure as claimed in claim 1, wherein: and a ball groove is also arranged on the lower motor cover (7).

9. A hand crank motor structure as claimed in claim 2, wherein: the flat groove (23) and the flat shape are both square.