CN219774649U

CN219774649U - Electromagnetic clutch structure of shutter motor

Info

Publication number: CN219774649U
Application number: CN202321272966.1U
Authority: CN
Inventors: 赵明; 蔡灿元; 徐宏伟; 余阳; 吴洋; 刘欣
Original assignee: Zhejiang Lianda Science And Technology Co ltd
Current assignee: Zhejiang Lianda Science And Technology Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-09-29
Anticipated expiration: 2033-05-24

Abstract

The utility model relates to an electromagnetic clutch structure of a shutter motor, which comprises a left shell and a rear shell which are clamped with each other, wherein a fixed shaft is rotationally connected at a central shaft in the left shell and the rear shell, one end of the fixed shaft is rotationally connected with the left shell through a small bearing, a fixed claw is fixed at the other end of the fixed shaft, the fixed claw is rotationally connected with the rear shell through a large bearing, a movable claw assembly is sleeved on the fixed shaft, an elastic piece is sleeved between the movable claw assembly and the fixed claw on the fixed shaft 3, and an electromagnet assembly is fixed in the left shell.

Description

Electromagnetic clutch structure of shutter motor

Technical Field

The utility model relates to the technical field of a shutter motor, in particular to an electromagnetic clutch structure of a shutter motor.

Background

At present, most of the existing blind motor clutches in China are electromagnetic force dry friction clutches, and the common structural style is single-plate friction type. The electromagnetic force friction plate clutch generally has only one friction plate, when the coil is electrified, electromagnetic force is generated, the electromagnetic force penetrates through the friction plate, and the armature is attracted to be combined with the friction plate, so that a driving piece with the friction plate transmits torsion to a driven piece armature, and torque transmission is realized. When the friction plate is separated from the armature, the power supply is cut off, the spring piece resets the driven piece armature, and the friction plate is separated from the armature.

However, the electromagnetic clutch of the existing blind motor has the following disadvantages:

(1) Because the electromagnetic clutch of the shutter motor cannot be too large due to the limitation of the volume, the design requirement of the electromagnetic clutch of the shutter motor aims at small volume and large torque, but the torque of the existing electromagnetic dry friction clutch is small;

(2) The traditional electromagnetic force dry friction clutch is switched on or off by virtue of friction force, and more electric energy is consumed after the traditional electromagnetic force dry friction clutch is switched on;

(3) The traditional electromagnetic dry friction clutch has complex structure and higher processing cost;

therefore, in order to solve the above technical problems, there is a need for an electromagnetic clutch structure of a shutter motor.

Disclosure of Invention

The utility model aims to solve the technical problems, and provides an electromagnetic clutch structure of a shutter motor.

The utility model provides a shutter curtain motor electromagnetic clutch structure, including left casing and the back casing of mutual joint, left side casing and the inside center pin department rotation of back casing are connected with the fixed axle, the one end of fixed axle pass through the little bearing with left side casing rotates to be connected, is fixed with the stationary dog on its other end, the stationary dog passes through big bearing and back casing to rotate to be connected, the cover is equipped with on the fixed axle and moves claw subassembly, be located on the fixed axle and move and be equipped with the elastic component between claw subassembly and the stationary dog, left side casing internal fixation has electromagnet assembly.

Preferably, the movable claw assembly comprises a movable claw body, and a permanent magnet is sleeved on the movable claw body.

Preferably, the permanent magnet is fixed to the movable claw body through a support member.

Preferably, the electromagnet assembly comprises a winding bracket, a copper coil is wound on the winding bracket, an adhesive tape is wound outside the copper coil, and electromagnet metal covers are respectively fixed at two ends of the winding bracket to wrap the winding bracket.

Preferably, the elastic member is a spring, one end of the spring abuts against the fixed jaw, and the other end abuts against the movable jaw assembly.

Preferably, the first gear and the second gear are respectively formed on the opposite end surfaces of the movable claw body and the fixed claw, and the movable claw body and the fixed claw can be in meshed connection.

Preferably, the pins of the copper coil are connected with a power supply through the electromagnet metal cover.

The utility model has the beneficial effects that:

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an electromagnetic clutch structure of a blind motor according to the present utility model;

FIG. 2 is an exploded view of an electromagnetic clutch structure of a blind motor according to the present utility model;

FIG. 3 is a schematic perspective view of the moveable jaw assembly of the present utility model;

FIG. 4 is an exploded view of the moveable jaw assembly of the present utility model;

FIG. 5 is an exploded view of the electromagnet assembly of the present utility model;

FIG. 6 is a schematic diagram of the internal structure of an electromagnetic clutch structure of a blind motor according to the present utility model;

FIG. 7 is a schematic diagram showing the combination state of electromagnetic clutch structure of a shutter motor according to the present utility model;

fig. 8 is a schematic structural view of a separation state of an electromagnetic clutch structure of a shutter motor according to the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

The utility model discloses an electromagnetic clutch structure of a shutter motor, which comprises a left shell 1 and a rear shell 2 which are clamped with each other, wherein a fixed shaft 3 is rotatably connected at the central shaft in the left shell 1 and the rear shell 2, one end of the fixed shaft 3 is rotatably connected with the left shell 1 through a small bearing 11, a fixed claw 4 is fixed at the other end of the fixed shaft 3, one end part of the fixed shaft 3, which is far away from the fixed claw 4, is in transmission connection with a speed reducer, the fixed claw 4 is rotatably connected with the rear shell 2 through a large bearing 21, one end of the fixed claw 4, which is far away from the left shell 1, is in transmission connection with a DC motor, a movable claw component 5 is sleeved on the fixed shaft 3, an elastic piece 6 is sleeved between the movable claw component 5 and the fixed claw 4, the elastic piece 6 is a spring, one end of the elastic piece is propped against the fixed claw 4, and the other end of the elastic piece is propped against the movable claw component 5, and an electromagnet component 7 is fixed in the left shell 1.

Specifically, the movable claw assembly 5 includes a movable claw body 51, a permanent magnet 52 is sleeved on the movable claw body 51, the permanent magnet 52 is fixed on the movable claw body 51 through a T-shaped support member 55, that is, a limit groove is formed in the center of the outer circumference of the support member 55, the permanent magnet 52 is sleeved in the limit groove, plastic washers 56 are sleeved on two sides of the permanent magnet 52 for limiting, finally, the end of the support member 55 is positioned through a positioning ring 53, and a rubber washer 54 is sleeved on the movable claw body 51 for buffering and damping.

Specifically, the movable claw body 51 is T-shaped, the end surfaces of the movable claw body opposite to the fixed claw 4 are respectively formed with a first gear and a second gear, and the movable claw body 51 and the fixed claw 4 can be engaged with each other for connection, so that engagement transmission or disengagement can be realized.

Specifically, the electromagnet assembly 7 includes a winding bracket 71, a winding groove is formed in the center of the winding bracket 71, a copper coil 72 is wound in the winding groove, an adhesive tape 73 is wound outside the copper coil 72, two ends of the winding bracket 71 are respectively fixed with an electromagnet metal cover 74, the winding bracket 71 is wrapped, and a pin of the copper coil 72 passes through the electromagnet metal cover 74 and is connected with a power supply.

After the power is on, the movable claw assembly 5 is pushed to the direction of the fixed claw 4 to move and be combined with the fixed claw 4 due to the action of magnetic force, after the power is off, as shown in fig. 8, the acting force of the electromagnet assembly 7 on the movable claw assembly 5 is removed, the elastic piece 6 pushes the movable claw assembly 5 out, the separation of the movable claw assembly 5 and the fixed claw 4 is realized, and the electromagnetic clutch has the advantages of simple structure, small volume, large transmission torque, lower cost, simple assembly and reliable use.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An electromagnetic clutch structure of a shutter motor is characterized in that: including left casing (1) and back casing (2) of mutual joint, left side casing (1) are connected with fixed axle (3) with inside center pin department rotation of back casing (2), the one end of fixed axle (3) pass through little bearing (11) with left side casing (1) rotate and are connected, be fixed with stationary dog (4) on its other end, stationary dog (4) rotate with back casing (2) through big bearing (21) and are connected, the cover is equipped with movable claw subassembly (5) on fixed axle (3), be located movable claw subassembly (5) and fixed dog (4) on fixed axle (3) and overlap and be equipped with elastic component (6), left side casing (1) internal fixation has electromagnet assembly (7).

2. The electromagnetic clutch structure of a blind motor according to claim 1, wherein: the movable claw assembly (5) comprises a movable claw body (51), and a permanent magnet (52) is arranged on the movable claw body (51).

3. The electromagnetic clutch structure of a blind motor according to claim 2, wherein: the permanent magnet (52) is fixed to the movable claw body (51) through a support member (55).

4. The electromagnetic clutch structure of a blind motor according to claim 2, wherein: the electromagnet assembly (7) comprises a winding support (71), a copper coil (72) is wound on the winding support (71), an adhesive tape (73) is wound outside the copper coil (72), and electromagnet metal covers (74) are respectively fixed at two ends of the winding support (71) to wrap the winding support (71).

5. The electromagnetic clutch structure of a blind motor according to claim 2, wherein: the elastic piece (6) is a spring, one end of the elastic piece is propped against the fixed claw (4), and the other end is propped against the movable claw assembly (5).

6. The electromagnetic clutch structure of a blind motor according to claim 2, wherein: the movable claw body (51) and the fixed claw (4) are respectively formed with a first gear and a second gear on the opposite end surfaces, and the movable claw body (51) and the fixed claw (4) can be meshed with each other.

7. The electromagnetic clutch structure of a blind motor according to claim 4, wherein: the pins of the copper coil (72) are connected to a power supply through an electromagnet metal cover (74).