CN216043475U

CN216043475U - Magnet reset type clutch brake structure

Info

Publication number: CN216043475U
Application number: CN202122020613.XU
Authority: CN
Inventors: 贺峰; 刘胜利; 唐韧; 王波
Original assignee: Guangdong A Ok Technology Grand Development Co Ltd
Current assignee: Guangdong A Ok Technology Grand Development Co Ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-15
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a magnet reset type clutch brake structure which comprises a driving piece, a speed reducing device and a brake assembly, wherein the driving piece is connected with the brake assembly, and the brake assembly is connected with the speed reducing device; the brake assembly comprises a support piece, a transmission piece, a clutch piece and a locking piece, wherein the support piece is connected with the driving piece, the transmission piece is rotatably connected to the support piece, the transmission piece is connected with the speed reducing device, the clutch piece is installed on the support piece, and the locking piece is installed on the driving piece. The brake assembly adopted by the utility model can rapidly stop the speed reducer after the driving part is stopped, thereby ensuring the synchronism between the driving part and the speed reducer on one hand, and playing a role in reducing the torque on the other hand, thereby playing a role in protecting the driving part and the speed reducer.

Description

Magnet reset type clutch brake structure

Technical Field

The utility model relates to the technical field of roller shutter motors, in particular to a magnet reset type clutch brake structure.

Background

The rolling motor is an electric rolling mechanism which adopts a tubular motor as power, the operation of the rolling motor only needs to toggle a power switch, the operation is simple and convenient, the work is quiet and stable, and the rolling motor is an upgrading and updating product of a manual rolling curtain. The tubular motor is directly installed in the winding pipe, so that the volume of the curtain box and the transmission link of force are reduced, the influence of the outside on the motor is avoided, and the reliability of the mechanism is improved.

Before the improvement, the rolling curtain motor usually drives the speed reducer through the tubular motor, and the speed reducer drives the rolling pipe to rotate, so that the rolling curtain wound on the rolling pipe is folded or unfolded from the rolling pipe.

However, after the driving member is powered off, the speed reducer usually operates for a while due to inertia, so that the roller shutter cannot be stopped immediately.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a magnet reset type clutch brake structure which is used for solving the problem of a roller shutter motor before improvement.

The utility model discloses a magnet reset type clutch brake structure which comprises a driving piece, a speed reducing device and a brake assembly, wherein the driving piece is connected with the brake assembly, and the brake assembly is connected with the speed reducing device; the brake assembly comprises a support piece, a transmission piece, a clutch piece and a locking piece, wherein the support piece is connected with the driving piece, the transmission piece is rotatably connected to the support piece, the transmission piece is connected with the speed reducing device, the clutch piece is installed on the support piece, and the locking piece is installed on the driving piece.

Optionally, the support member includes a mounting disc and a positioning body, the transmission member includes a prism and a transmission shaft, the prism is connected to the mounting disc, and the clutch member is disposed between the positioning body and the prism.

Optionally, the positioning bodies are provided in plurality, a guide channel is formed between adjacent positioning bodies, and the clutch member is arranged in the guide channel.

Optionally, the mounting disc is provided with a positioning hole, magnetic members are arranged in the positioning hole and on the clutch member, and the magnetic members on the clutch member are in contact with the magnetic members in the positioning hole.

Optionally, the prism is a hexagonal prism, the positioning body is provided with three, the clutch is a cylinder, and the clutch is provided with three.

Optionally, the retaining member is of an annular structure, and the retaining member is sleeved on the outer side of the brake assembly.

Optionally, the retaining member is the loop configuration, the retaining member cover is located brake assembly's the outside, the retaining member with be provided with the clearance between the mounting disc.

Optionally, a limiting groove is formed in the transmission shaft, a connecting sleeve is arranged on the input shaft of the speed reducer, a limiting plate is arranged in the connecting sleeve, and the transmission shaft penetrates through the connecting sleeve.

Optionally, a stop is connected to the drive member.

Optionally, the stopper is connected with a reel pipe, and the reel pipe is sleeved outside the driving member, the speed reduction device, the brake assembly and the stopper.

The beneficial effect of this application lies in: after the driving piece outage is shut down, decelerator can continue to drive the driving medium and rotate certain angle under inertial effect, this moment the prism will close the piece and promote to the outside of guide channel, make the separation and reunion piece support on the inner wall of retaining member, because the driving piece itself has the function of auto-lock, under the cooperation of frictional force between separation and reunion piece and retaining member, decelerator will receive very big resistance, stall rapidly, the synchronism between driving piece and the decelerator has been guaranteed on the one hand, on the other hand can play the effect that reduces the moment of torsion, the effect of protection is played driving piece and decelerator.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic view of the overall structure of a roller shutter motor;

FIG. 2 is a first schematic diagram of an explosive structure according to the present invention;

FIG. 3 is a second schematic illustration of the explosive structure of the present invention;

FIG. 4 is a schematic view of a portion of the structure of FIG. 3 at A;

fig. 5 is a third schematic diagram of the explosive structure of the present invention.

Description of reference numerals: 1. a drive member; 2. a reduction gear; 21. an input shaft; 211. a connecting sleeve; 212. a limiting plate; 3. a brake assembly; 31. a support member; 311. mounting a disc; 312. a positioning body; 3121. a guide channel; 313. positioning holes; 32. a transmission member; 321. a prism; 322. a drive shaft; 3221. a limiting groove; 33. a clutch member; 331. positioning a groove; 34. a magnetic member; 35. a locking member; 4. a stopper; 5. and (4) coiling the pipe.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the utility model. That is, in some embodiments of the utility model, such implementation details are not necessary. In addition, for the purpose of simplifying the drawings, certain well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

It should be noted that all the directional indications such as up, down, left, right, front and rear … … in the embodiment of the present invention are only used to explain the relative positional relationship, movement, etc. between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to order or sequence, and do not limit the present invention, but only distinguish the elements or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:

referring to fig. 1 and 2, a magnet reset type clutch brake structure disclosed in an embodiment of the present application, which is mainly used for a roller shutter motor, includes a driving member 1, a speed reducer 2 and a brake assembly 3, the brake assembly 3 is installed between the driving member 1 and the speed reducer 2, and is connected to the driving member 1 and the speed reducer 2, and is used for performing transmission and braking between the driving member 1 and the speed reducer 2, in this embodiment, the driving member 1 is a tubular motor, the speed reducer 2 is a planetary gear reducer, the roller shutter motor further includes a stopper 4 and a roller tube 5, the stopper 4 is electrically connected to the driving member 1, the roller tube 5 is sleeved outside the driving member 1, the speed reducer 2, the brake assembly 3 and the stopper 4, the roller tube 5 is fixed to the speed reducer 2 and the stopper 4 in a clamping manner, so that when the driving member 1 drives the speed reducer 2 to operate, the roller tube 5 can be driven to rotate, and then drives the stopper 4 to work, and after the reel pipe 5 rotates for a certain angle, the stopper 4 can stop the driving member 1.

Referring to fig. 2 to 4, the brake assembly 3 includes a supporting member 31, a transmission member 32, a clutch member 33, magnetic members 34 and a locking member 35, wherein the supporting member 31 includes a mounting plate 311 and three positioning bodies 312, the mounting plate 311 is a circular plate, the mounting plate 311 is in transmission connection with an output shaft of the driving member 1 through a key, the positioning bodies 312 are in a strip structure and are provided in three numbers, the positioning bodies 312 are integrally fixed on a surface of the mounting plate 311 away from the driving member 1, the three positioning bodies 312 are uniformly arranged on the surface of the mounting plate 311 along a circumferential direction, a guide channel 3121 is formed between adjacent positioning bodies 312, a positioning hole 313 is provided at a position of the mounting plate 311 corresponding to each guide channel 3121, the positioning holes 313 are circular through holes, one of the magnetic members 34 is embedded in each positioning hole 313, the magnetic member 34 is in a cylindrical structure, and the magnetic member 34 is in interference connection with the positioning holes 313.

Referring to fig. 4, the transmission member 32 includes a prism 321 and a transmission shaft 322, in this embodiment, the prism 321 is a hexagonal prism, the prism 321 is disposed in the middle of the three positioning bodies 312, the prism 321 is rotatably connected to the mounting plate 311, the transmission shaft 322 is a cylindrical structure, the transmission shaft 322 is coaxially and integrally fixed to the prism 321, a limiting groove 3221 is formed in the transmission shaft 322, and the limiting groove 3221 penetrates through the side wall and the end face of the transmission shaft 322 to connect the reduction gear unit 2.

Referring to fig. 3 and 4, the reduction gear 2 has an input shaft 21 for power input, a connecting sleeve 211 is coaxially and integrally fixed on the input shaft 21, the connecting sleeve 211 is a cylinder with an open end, a limiting plate 212 is integrally fixed in the connecting sleeve 211, the limiting plate 212 divides the inside of the connecting sleeve 211 into two parts, the transmission shaft 322 is connected in the connecting sleeve 211, and the limiting plate 212 penetrates into a limiting groove 3221 of the transmission shaft 322, so that the transmission shaft 322 can drive the input shaft 21 of the reduction gear 2 to rotate, and the reduction gear 2 is driven.

Referring to fig. 4, the clutch 33 is a cylindrical structure, in this embodiment, three clutch 33 are provided, each clutch 33 is provided with a positioning groove 331, each positioning groove 331 is a circular blind hole, one magnetic member 34 is embedded in each positioning groove 331, the three clutch 33 with the embedded magnetic members 34 are respectively disposed in the three guide channels 3121 and located between the positioning body 312 and the prism 321, the magnetic members 34 on the clutch 33 are in contact with the magnetic members 34 in the positioning holes 313 and in a mutually attracted state, so that the axis of the magnetic member 34 on the clutch 33 always tends to coincide with the axis of the magnetic member 34 in the positioning groove 331.

Referring to fig. 3 and 5, the locking member 35 is of an annular structure, the locking member 35 is sleeved on the outer side of the entire brake assembly 3, the locking member 35 is fixedly connected with the driving member 1, a gap is formed between the inner ring of the locking member 35 and the mounting plate 311, and when the clutch member 33 moves to the outer side of the guide channel 3121 and deviates from the magnetic member 34 in the positioning hole 313, the clutch member 33 can abut against the inner wall of the locking member 35.

The implementation principle and the beneficial effects of the utility model are that when the roller shutter motor works, the driving piece 1 is electrified, the output shaft of the driving piece 1 drives the supporting piece 31 to rotate, and the supporting piece 31 generates extrusion action on the clutch piece 33 after rotating, so that the clutch piece 33 is forced to push the prism 321, and the driving piece 32 is driven to rotate, thereby realizing the purpose of inputting power into the speed reducer 2; after driving piece 1 outage is shut down, decelerator 2 can continue to drive driving medium 32 and rotate certain angle under inertial effect, arris body 321 promotes from closing piece 33 to guide channel 3121's the outside this moment, make separation and reunion piece 33 support on the inner wall of retaining member 35, because driving piece 1 itself has the function of auto-lock, under the cooperation of frictional force between separation and reunion piece 33 and retaining member 35, decelerator 2 will receive very big resistance, stall rapidly, the synchronism between driving piece 1 and decelerator 2 has been guaranteed on the one hand, on the other hand can play the effect of reduction moment of torsion, the effect of protection is played driving piece 1 and decelerator 2.

The above is merely an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A magnet reset type clutch brake structure is characterized by comprising a driving piece (1), a speed reducer (2) and a brake assembly (3), wherein the driving piece (1) is connected with the brake assembly (3), and the brake assembly (3) is connected with the speed reducer (2);

brake subassembly (3) include support piece (31), driving medium (32), clutch spare (33) and retaining member (35), support piece (31) with driving piece (1) is connected, driving medium (32) rotate connect in on support piece (31), driving medium (32) with decelerator (2) are connected, clutch spare (33) install in on support piece (31), retaining member (35) install in on driving piece (1).

2. The magnet resetting type clutch and brake structure according to claim 1, wherein the supporting member (31) comprises a mounting plate (311) and a positioning body (312), the transmission member (32) comprises a prism (321) and a transmission shaft (322), the prism (321) is connected with the mounting plate (311), and the clutch member (33) is arranged between the positioning body (312) and the prism (321).

3. The structure of claim 2, wherein the plurality of positioning bodies (312) are provided, a guide passage (3121) is formed between adjacent positioning bodies (312), and the clutch member (33) is disposed in the guide passage (3121).

4. A magnet resetting type clutch and brake structure according to claim 3, wherein the mounting plate (311) is provided with a positioning hole (313), magnetic members (34) are respectively arranged in the positioning hole (313) and on the clutch member (33), and the magnetic members (34) on the clutch member (33) are in contact with the magnetic members (34) in the positioning hole (313).

5. A magnet resetting type clutch and brake structure according to claim 3 or 4, characterized in that the prism (321) is a hexagonal prism, the number of the positioning bodies (312) is three, the clutch member (33) is a cylinder, and the number of the clutch member (33) is three.

6. The magnet resetting type clutch and brake structure according to any one of claims 1 to 4, wherein the locking member (35) is of a ring structure, and the locking member (35) is sleeved outside the brake assembly (3).

7. The magnet resetting type clutch and brake structure according to claim 5, wherein the locking member (35) is of an annular structure, the locking member (35) is sleeved outside the brake assembly (3), and a gap is formed between the locking member (35) and the mounting plate (311).

8. The magnet resetting type clutch brake structure according to any one of claims 2 to 4, wherein a limiting groove (3221) is formed in the transmission shaft (322), a connecting sleeve (211) is arranged on the input shaft (21) of the speed reducer (2), a limiting plate (212) is arranged in the connecting sleeve (211), and the transmission shaft (322) is arranged in the connecting sleeve (211) in a penetrating manner.

9. A magnet resetting type clutch brake structure according to any one of claims 1-4, characterized in that a stopper (4) is connected to the driving member (1).

10. The magnet resetting type clutch brake structure according to claim 9, wherein the stopper (4) is connected with a reel pipe (5), and the reel pipe (5) is sleeved outside the driving member (1), the speed reduction device (2), the brake assembly (3) and the stopper (4).