CN220382880U

CN220382880U - Motor structure

Info

Publication number: CN220382880U
Application number: CN202321716480.2U
Authority: CN
Inventors: 翁建君; 汪冰; 鲍永林; 孙勇
Original assignee: Ningbo Dooya Mechanic and Electronic Technology Co Ltd
Current assignee: Ningbo Dooya Mechanic and Electronic Technology Co Ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2024-01-23
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a motor structure, which comprises a shell, a first end cover and a second end cover, wherein the first end cover and the second end cover are arranged at two ends of the shell along the axial direction of the motor structure, a motor, a reduction gearbox and a clutch are arranged in the shell along the axial direction of the motor structure, the motor structure further comprises a connecting sleeve, the connecting sleeve is abutted with the first end cover, the reduction gearbox is arranged in the connecting sleeve, and the motor, the reduction gearbox and the clutch are respectively positioned with the connecting sleeve. Compared with the prior art, the utility model has the advantages that: the motor, the reduction gearbox and the clutch are positioned by utilizing the connecting sleeve, one part is used for fixing the motor, the reduction gearbox and the clutch, the structure complicacy and the inconvenient installation caused by the connection and the fixation of the motor, the reduction gearbox and the clutch are avoided, and the installation structure and the operation are simplified.

Description

Motor structure

Technical Field

The utility model relates to the technical field of motors, in particular to a motor structure.

Background

In electric products such as electric retractable curtains (simply referred to as retractable curtains) and electric curtains, because of the limitations of installation space and shape, a motor is generally installed in a driving tube to drive the opening and closing actions of the curtains.

The motor typically includes a motor portion, a reduction portion, a clutch, a brake, and the like, which are disposed within a housing. The tubular motor disclosed in China patent with the application number of 201510586857.0 is characterized in that a brake device is arranged between the motor and a travel device, a clutch mechanism is arranged between the brake device and the travel device, a motor tube is sleeved outside and fixed with the speed reducer, the clutch device, the travel device and the like through screws, the motor tube is fixed and not rotated, and power is output through the speed reducer when the motor works; the tubular motor disclosed in China patent with the application number of 201710438547.3 comprises a shell, wherein a base is fixed on one side of the shell, an electric motor, a speed reducing mechanism and an output shaft are sequentially installed inside the shell, and a driving shaft of the electric motor is connected with the speed reducing mechanism and used for driving the speed reducing mechanism to move, so that the output shaft is driven to rotate.

According to the motor structure, the motor, the speed reduction and the clutch are required to be connected with each other through the fasteners in sequence, the structure is complex, the installation is troublesome, and the cost is high.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a motor structure which is simplified and convenient for installation and operation aiming at the defects existing in the prior art.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a motor structure, includes shell, first end cover and second end cover set up at the shell along motor structure axial both ends, be provided with motor, reducing gear box and clutch along motor structure's axial in the shell, its characterized in that:

the motor structure further comprises a connecting sleeve, the connecting sleeve is abutted with the first end cover, the reduction gearbox is arranged in the connecting sleeve, and the motor, the reduction gearbox and the clutch are respectively positioned with the connecting sleeve.

The motor, the reduction gearbox and the clutch are positioned by utilizing the connecting sleeve, one part is used for fixing the motor, the reduction gearbox and the clutch, the structure complicacy and the inconvenient installation caused by the connection and the fixation of the motor, the reduction gearbox and the clutch are avoided, and the installation structure and the operation are simplified.

Preferably, the connecting sleeve comprises a hollow tube body, wherein a partition plate is arranged in the tube body, so that the tube body is divided into a first cavity and a second cavity along the axial direction of the motor, the first cavity is used for accommodating a part of the motor and the reduction gearbox, and the second cavity is used for accommodating at least part of the clutch. Thereby facilitating subsequent positioning of the reduction gearbox in the axial direction.

Further, the connection sleeve forms a first annular stop portion on the peripheral wall of the first cavity, and an end portion of the motor located in the tube body abuts against the first stop portion in the axial direction of the motor structure, so that the motor axial position can be defined.

Further, a protruding rib is further arranged on the inner side wall of the pipe body, corresponding to the reduction gearbox, and extends along the axial direction of the motor structure, and the reduction gearbox is clamped by the protruding rib, so that the radial position of the reduction gearbox can be limited.

Further, a buckle is arranged on one side, facing the second cavity, of the partition plate, and the buckle is buckled on the clutch, so that the position of the clutch can be limited.

Further, the clutch is further provided with a stroke detection module, the stroke detection module comprises a magnet and a first circuit board, the magnet is arranged on the clutch, and a clamping groove matched with the first circuit board is formed in the side wall of the pipe body, so that the stroke of the motor can be detected to control the motor, and the stroke detection module is convenient to install.

Further, the first end cap comprises a sleeve for insertion of an end of the tube body, the sleeve opening at an end facing the tube body, the end of the tube body being inserted into the sleeve and abutting a bottom of the sleeve remote from the second end cap, thereby defining an axial position of the connection sleeve.

Further, a first notch is formed in the peripheral wall of the sleeve, and a positioning protrusion matched with the first notch is arranged on the outer side wall of the pipe body, so that the rotation of the connecting sleeve can be avoided.

Further, still be provided with stroke detection module on the clutch, stroke detection module includes magnet and first circuit board, the magnet sets up on the clutch, still seted up the second breach with first circuit board adaptation on the telescopic week wall, from this the stroke of detectable motor to form the structure of stepping down first circuit board on the sleeve, so that the setting of first circuit board.

Further, a stroke support and a second circuit board are arranged in the shell, one end of the stroke support is abutted with the second end cover, and the other end of the stroke support is abutted with the motor;

at least two slots which are arranged at intervals are formed in the travel support, the number of the second circuit boards is not more than that of the slots, and each second circuit board is in plug-in fit with one of the slots. Therefore, the internal space of the stroke bracket is fully utilized, the volume of the stroke part is reduced, the separation of the strong circuit board and the weak circuit board can be realized, and the safety performance is higher.

Compared with the prior art, the utility model has the advantages that: the motor, the reduction gearbox and the clutch are positioned by using the connecting sleeve, one part realizes the fixation of the motor, the reduction gearbox and the clutch, so that the structure complicacy and the inconvenient installation caused by the connection and fixation of the motor, the reduction gearbox and the clutch are avoided, and the installation structure and the operation are simplified; the end part of the motor is supported by the travel bracket connected with the second end cover, so that the interior is connected with the second end cover from the first end cover along the axial direction, the installation structure and the operation are simplified, and the structure is compact and the integration is better; through forming the slot in the stroke support, make full use of stroke support inner space reduces stroke part volume from this, can realize the separation of strong circuit board and weak circuit board moreover, the security performance is higher.

Drawings

FIG. 1 is a schematic diagram illustrating the installation of a motor structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a motor structure according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a motor structure according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a hidden housing of a motor structure according to an embodiment of the present utility model;

FIG. 5 is an exploded view of FIG. 4;

FIG. 6 is a schematic view of the end cap of FIG. 4 with one side hidden;

FIG. 7 is a schematic view of a connection sleeve of a motor structure according to an embodiment of the present utility model;

FIG. 8 is a schematic view of a connection sleeve of a motor structure according to an embodiment of the present utility model;

FIG. 9 is a schematic view of a first end cap of a motor structure according to an embodiment of the present utility model;

fig. 10 is a schematic view of a stroke bracket and a circuit board of a motor structure according to an embodiment of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly.

Referring to fig. 1-5, a motor structure, preferably for driving the curtain, may be mounted below one of the ends of the curtain's track 200 in the length direction.

The motor structure comprises a shell 1, a first end cover 2, a second end cover 3, a motor 4, a reduction gearbox 5, a clutch 6, a second circuit board 7 and a stroke bracket 8. The first end cover 2 and the second end cover 3 are disposed at two ends of the casing 1 in the length direction, and are located outside the casing 1, and each end cover and the casing 1 can be fixed by a fastener such as a screw, where the length direction of the casing 1 is a direction along the axis X of the motor 4 (the axial direction of the motor 4 is the axial direction of the whole motor structure). The motor 4, the reduction gearbox 5, the clutch 6, the second circuit board 7 and the stroke bracket 8 are arranged on the inner side of the shell 1.

The second circuit board 7, the motor 4, the reduction gearbox 5 and the clutch 6 are sequentially arranged along the axis X of the motor 4, the second circuit board 7 is fixed with the stroke bracket 8, and the motor 4, the reduction gearbox 5 and the clutch 6 are installed through the connecting sleeve 9. The connecting sleeve 9 comprises a pipe body 90, the pipe body 90 is a cylindrical hollow pipe fitting, two ends of the pipe body 90 in the axial direction are open, one end of the pipe body 90 in the axial direction is abutted against the first end cover 2, the other end of the pipe body 90 in the axial direction faces the stroke support 8, and one end of the stroke support 8 away from the connecting sleeve 9 is abutted against the second end cover 3.

The stroke bracket 8 includes a first bracket 81 and a second bracket 82, and the first bracket 81 and the second bracket 82 may be of an integral structure. The first bracket 81 is used for fixing the second circuit board 7, the second bracket 82 is annular, the end of the motor 4 facing the travel bracket 8 can be integrally supported in the second bracket 82, the end of the second bracket 82 away from the connecting sleeve 9 is provided with a radial inward flange 821, and the end can be abutted with the corresponding end of the motor 4, so that the axial position of the motor 4 is limited, and the motor 4 is prevented from moving.

In the stroke bracket 8, as in the first bracket 81 in the present embodiment, at least two slots 83 are formed in parallel with each other at a spacing, and referring to fig. 10, preferably, the slots 83 extend in the motor axial direction, the number of the second wiring boards 7 (in the form of wiring boards) is not greater than the number of the slots 83, and each of the second wiring boards 7 is inserted into one of the slots 83 for fixation. When mounted, the components of the second wiring board 7 are located on the side away from each other. Thereby fully utilizing the internal space of the stroke bracket 8 and reducing the volume of the stroke part. To further improve the safety, a partition may be provided between the two slots 83, thereby isolating the adjacent second wiring boards 7. Preferably, the number of the slots 83 and the number of the second circuit boards 7 are two, wherein one second circuit board 7 is a power module and is used for accessing strong electricity, and the other second circuit board 7 is used for controlling (weak electricity), so that the separation of the strong circuit board and the weak circuit board can be realized, and the safety performance is higher.

The end of the motor 4 far away from the stroke bracket 8 extends into the pipe body 90 of the connecting sleeve 9, the reduction gearbox 5 is in transmission connection with the motor 4, the reduction gearbox 5 is arranged in the pipe body 90 of the connecting sleeve 9, the clutch 6 is in transmission connection with the reduction gearbox 5, and the clutch 6 is at least partially arranged in the pipe body 90 of the connecting sleeve 9. A partition 91 is provided in the tubular body 90 of the coupling sleeve 9, whereby the tubular body 90 is divided in the axial direction of the motor 4 into two cavities, of which a first cavity 92 is intended to house a part of the motor 4 and the reduction gearbox 5, and a second cavity 93 is intended to house at least part of the clutch 6.

Referring to fig. 3, 6-8, to avoid play of the above-mentioned components mounted on the connection sleeve 9, the connection sleeve 9 further includes a structure for limiting the above-mentioned components in all directions. Wherein, in order to be convenient for carry out spacing to the axial of motor 4, adapter sleeve 9 forms annular first backstop portion 94 on the perisporium of first cavity 92, and the first cavity 92 of adapter sleeve 9 is blocked to the card when motor 4 installs, and it is in the chucking of circumference with adapter sleeve 9's body 90 inside wall, and the tip that motor 4 is located adapter sleeve 9 then with first backstop portion 94 butt and realize spacing in the axial. The baffle 91 is provided with the second backstop portion 96 towards one side in the first cavity 92, and the reducing gear box 5 is located first cavity 92 to its tip butt that keeps away from motor 4 realizes axial spacing on the second backstop portion 96, and the inside wall of body 90 and the part that reducing gear box 5 corresponds still are provided with protruding muscle 95, protruding muscle 95 can have a plurality ofly and along the circumference interval arrangement of body 90, every protruding muscle 95 extends along the direction parallel with the axis X of motor 4. By providing the bead 95, the reduction gearbox 5 can be clamped in the circumferential direction, and radial play thereof can be avoided.

The clutch 6 is connected with the reduction gearbox 5 in a transmission way, then penetrates through the partition board 91 and enters the second cavity 93, one side, facing the second cavity 92, of the partition board 91 is provided with a buckle 97, and the buckle 97 is buckled on the clutch 6, so that the axial position of the clutch 6 is limited, and the radial position of the clutch 6 can be limited by the partition board 91.

The clutch 6 is further provided with a stroke detection module, which in this embodiment includes a plurality of magnets 61 and a first circuit board 62, the magnets 61 being arranged on the clutch 6 at intervals in the circumferential direction, and hall elements being provided on the first circuit board 62 to detect the number of turns of the magnets 61 rotating with the clutch 6 (the magnets 61 rotating with the input or output of the clutch 6). The first circuit board 62 is disposed adjacent to the clutch 6, and a slot 98 adapted to the first circuit board 62 is formed in a side wall of the tube 90 to limit the first circuit board 62.

To avoid the tube body 90 from moving in the direction of the first end cap 2 and rotating in the circumferential direction, the outer side wall of the tube body 90 is provided with a positioning protrusion 99, and the positioning protrusion 99 may have one or more positioning protrusions extending in a direction parallel to the axis X of the motor 4, see fig. 9, the first end cap 2 includes a sleeve 21 into which the end portion of the tube body 90 is inserted, the sleeve 21 being open at one end toward the tube body 90, whereby the end portion of the tube body 90 is insertable into the sleeve 21 and abuts against the bottom portion of the sleeve 21 away from the second end cap 3, achieving axial positioning. The peripheral wall of the sleeve 21 may be provided with a first notch 22 to cooperate with the positioning protrusion 99 of the tube body 90, and the positioning protrusion 99 may be inserted into the first notch 22, so as to prevent the tube body 90 from rotating. The peripheral wall of the sleeve 21 is also provided with a second notch 23, which is matched with the first circuit board 62, and the second circuit board 72 can be placed in the second notch 23 to avoid interference between the sleeve 21 and the first circuit board 62.

During installation, the reduction gearbox 5 is inserted into the connecting sleeve 9, then the motor 4 and the clutch 6 are installed, the motor 4 and the stroke support 8 (provided with the second circuit board 7) are positioned relatively, and then the components are clamped between the two end covers, so that the axial positioning is realized, and the axial movement of each component is avoided. Through the arrangement of the connecting sleeve 9, the installation of the motor 4 and the reduction gearbox 5 and the clutch 6 through fasteners respectively can be avoided, and the installation structure and the installation steps are simplified.

Claims

1. The utility model provides a motor structure, includes shell (1), first end cover (2) and second end cover (3) are fixed to be set up at shell (1) along motor structure axial both ends, motor (4), reducing gear box (5) and clutch (6) have set gradually along motor structure's axial in shell (1), its characterized in that:

the motor structure further comprises a connecting sleeve (9), the connecting sleeve (9) is in butt joint with the first end cover (2), the reduction gearbox (5) is arranged in the connecting sleeve (9), and the motor (4), the reduction gearbox (5) and the clutch (6) are respectively positioned with the connecting sleeve (9).

2. The motor structure according to claim 1, characterized in that: the connecting sleeve (9) comprises a hollow pipe body (90), a partition plate (91) is arranged in the pipe body (90), the pipe body (90) is divided into a first cavity (92) and a second cavity (93) along the axial direction of the motor (4), the first cavity (92) is used for accommodating a part of the motor (4) and the reduction gearbox (5), and the second cavity (93) is used for accommodating at least part of the clutch (6).

3. The motor structure according to claim 2, characterized in that: the connecting sleeve (9) forms an annular first stop part (94) on the peripheral wall of the first cavity (92), and the end part of the motor (4) positioned in the pipe body (90) is abutted with the first stop part (94) in the axial direction of the motor structure.

4. The motor structure according to claim 2, characterized in that: the part of the inner side wall of the pipe body (90) corresponding to the reduction gearbox (5) is further provided with a convex rib (95), the convex rib (95) extends along the axial direction of the motor structure, and the convex rib (95) clamps the reduction gearbox (5).

5. The motor structure according to claim 2, characterized in that: one side of the partition plate (91) facing the second cavity (93) is provided with a buckle (97), and the buckle (97) is buckled on the clutch (6).

6. The motor structure according to any one of claims 2 to 5, characterized in that: still be provided with stroke detection module on clutch (6), stroke detection module includes magnet (61) and first circuit board (62), magnet (61) set up on clutch (6), draw-in groove (98) with first circuit board (62) adaptation have been seted up on the lateral wall of body (90).

7. The motor structure according to any one of claims 2 to 5, characterized in that: the first end cap (2) comprises a sleeve (21) into which the end of the tube body (90) is inserted, the sleeve (21) is open at one end towards the tube body (90), and the end of the tube body (90) is inserted into the sleeve (21) and abuts against the bottom of the sleeve (21) away from the second end cap (3).

8. The motor structure according to claim 7, characterized in that: a first notch (22) is formed in the peripheral wall of the sleeve (21), and a positioning protrusion (99) matched with the first notch (22) is arranged on the outer side wall of the pipe body (90).

9. The motor structure according to claim 7, characterized in that: still be provided with stroke detection module on clutch (6), stroke detection module includes magnet (61) and first circuit board (62), magnet (61) set up on clutch (6), still seted up second breach (23) with first circuit board (62) adaptation on the perisporium of sleeve (21).

10. The motor structure according to any one of claims 1 to 5, characterized in that: a stroke support (8) and a second circuit board (7) are further arranged in the shell (1), one end of the stroke support (8) is abutted with the second end cover (3), and the other end of the stroke support (8) is abutted with the motor (4);

at least two slots (83) which are arranged at intervals are formed in the travel support (8), the number of the second circuit boards (7) is not larger than that of the slots (83), and each second circuit board (7) is in plug-in fit with one of the slots (83).