CN210724459U - Novel brake device of tubular motor - Google Patents

Abstract

The utility model discloses a novel brake equipment of tubulose motor, it is including installing the motor in the tubulose motor, the bearing is installed to the plug bush in proper order on the output shaft of motor, compression spring, the cylinder brake rim plate of echelonment, detachable brake block structure and brake chassis, the tight bearing in compression spring one end top, the tight cylinder brake rim plate in its other end top, it has oblique slotted hole to open on the lateral wall of the less one end of cylinder brake rim plate, the bottom fixedly connected with bolt of the output shaft of motor, the bolt is installed at the slotted hole, the great one end shaping of cylinder brake rim plate has the transmission shaft that drives decelerator, makes brake rim plate and transmission shaft merge, makes the transmission shaft not need the bearing fixed, when making the output shaft of motor rotate, can directly drive the transmission shaft and rotate, makes holistic structural stability better.

Description

Novel brake device of tubular motor

The technical field is as follows:

the utility model relates to a tubular motor especially relates to a novel brake equipment of tubular motor.

Background art:

the tubular motor is used as a driving device for the occasions needing to be wound and opened and closed, such as an aluminum alloy rolling door, a garage door, a fireproof rolling door, a sunshade and the like, and the tubular motor utilizes the space installation of the center part of a rolling object, has the advantages of compact structure, large torque, slow rotating speed and the like, and in order to ensure that the rolling door stops running at the moment of power failure and stays at the position immediately, a brake is required to consume inertia and prevent the rolling door from sliding down due to dead weight, but the traditional tubular motor brake adopts an electromagnetic braking mode, has the defect of high cost, and a brake pad is an accessory needing to be replaced in the using process.

Although patent No. CN03231887.1 "brake of tubular motor" also provides a brake which is fast, safe and reliable, it still has some defects, such as two surfaces of the friction plate are smooth surfaces, especially when running under overload, the slip phenomenon will occur, the rotor works due to frequent forward, reverse direction change and high speed operation, the locking device is easy to loose, the brake seat works at high temperature for a long time, the rubber surface is easy to drop, bring many inconveniences and potential safety hazards to users, meanwhile, the brake wheel disc and the driving gear box in the existing tubular motor need to be connected through the transmission shaft, the transmission shaft needs to be fixed by the bearing, not only the parts are added, but also the stability is not good enough, and the bearing is easy to be damaged.

The utility model has the following contents:

the utility model aims at solving current problem, and provide a novel brake equipment of tubular motor, there is the transmission shaft that drives decelerator through the great one end shaping of cylinder brake rim plate, makes brake rim plate and transmission shaft merge, makes the transmission shaft not need the bearing fixed, when making the output shaft of motor rotate, can directly drive the transmission shaft and rotate, makes holistic structural stability better.

The utility model provides a novel brake equipment of tubular motor, its is including installing the motor in the tubular motor, its characterized in that: the bearing is installed to the plug bush in proper order on the output shaft of motor, compression spring, the cylinder brake rim plate of echelonment, detachable brake block structure and brake chassis, compression spring one end top tight bearing, its other end top tight cylinder brake rim plate, it has oblique slotted hole to open on the lateral wall of the less one end of cylinder brake rim plate, the bottom fixedly connected with bolt of the output shaft of motor, the bolt is installed downtheholely at the chute, the great one end shaping of cylinder brake rim plate has the transmission shaft that drives decelerator.

Preferably, the brake block structure includes the brake block body of cylinder, the central point of the upper surface of brake block body and lower surface puts all the shaping recess, the central point of recess puts and has seted up the through-hole, set up the first mounting hole of a plurality of symmetric distribution around the through-hole, two all be fixed with the centre gripping on the recess and support the becket of brake block body, set up the second mounting hole of mutually supporting with first mounting hole on the becket.

Preferably, the inner diameter a of the first mounting hole is larger than the inner diameter B of the second mounting hole, and the inner diameter C of the through hole is larger than the inner diameter D of the metal ring.

Preferably, the surface of the brake wheel disc formed with the transmission shaft is provided with a plurality of threaded holes.

Preferably, the inclined slotted hole is a triangular hole which is symmetrical left and right.

Preferably, the surface of the brake pad body is 3-4 mm higher than the surface of the metal ring.

Preferably, the outer diameter E of the metal ring is 1/3-1/4 of the outer diameter F of the brake body.

Preferably, the thickness of the brake chassis is 2-4 mm.

The beneficial effects of the utility model reside in that:

1. this novel structure has the transmission shaft that drives decelerator through the great one end shaping of cylinder brake rim plate, makes brake rim plate and transmission shaft merge, makes the transmission shaft not need the bearing fixed, has reduced the transmission of indirectness, when making the output shaft of motor rotate, can directly drive the transmission shaft and rotate, makes holistic structural stability better.

2. This novel structure is fixed with the centre gripping through the recess internal fixation of brake block body and supports the becket of brake block body, set up the first mounting hole of a plurality of symmetric distribution around the through-hole, set up the second mounting hole of mutually supporting with first mounting hole on the becket, brake rim plate shaping has the transmission shaft to have seted up a plurality of screw hole on the surface, only need use the screw to carry out threaded connection alright realize the installation through the screw hole of first mounting hole, second mounting hole and brake rim plate when realizing the installation, when needing to change the brake block, only need unscrew the screw, take out the brake block body, change new brake block body, realize the removable of brake block, easy dismounting adopts threaded connection brake block stable in structure simultaneously, is difficult to appear skidding phenomenon in rotatory process.

3. This novel structure is opened on the lateral wall through the less one end of cylinder brake rim plate has oblique slotted hole, the bottom fixedly connected with bolt of the output shaft of motor, the bolt is installed at the chute downthehole, the great one end shaping of cylinder brake rim plate has the transmission shaft that drives decelerator, has realized under compression spring's effect, and compression spring pressure passes through the output shaft of motor, the brake rim plate reaches the brake chassis, makes brake block body and brake chassis sticis the cooperation, produces static friction power, is in brake state this moment, when the motor operation, the output shaft of motor drives the brake rim plate through the round pin axle and moves left or move right, makes the structural brake block of brake block break away from with the brake base, the brake is thrown off this moment, has realized mechanical type braking structure, and with low costs and brake performance is good.

Description of the drawings:

FIG. 1 is an overall schematic view of the present structure;

FIG. 2 is a schematic structural view of the brake pad of the present structure;

FIG. 3 is a schematic structural diagram of a brake wheel disc of the present structure;

in the drawings: 1. an output shaft of the motor; 2. a bearing; 3. a compression spring; 4. a brake wheel disc; 41. an inclined slotted hole; 42. a bolt; 43. a threaded hole; 5. a brake pad structure; 51. a brake pad body; 52. a groove; 53. a through hole; 54. a first mounting hole; 55. a metal ring; 56. a second mounting hole; 6. a brake chassis; 7. a drive shaft.

The specific implementation mode is as follows:

as shown in fig. 1 to 3, a novel brake device for a tubular motor includes a motor installed in the tubular motor, the motor is a conventional one, and the speed reduction device is a conventional one, and is characterized in that: bearing 2 is installed to the plug bush in proper order on the output shaft 1 of motor, prior art during the installation of bearing 2, compression spring 3, the cylinder brake rim plate 4 of echelonment, detachable brake block structure 5 and brake chassis 6, the inner wall fixed connection of brake chassis 6 and tubulose motor outer tube, the tight bearing 2 in 3 one end tops of compression spring, its other end top tight cylinder brake rim plate 4, it has oblique slotted hole 41 to open on the lateral wall of the less one end of cylinder brake rim plate 4, the bottom fixedly connected with bolt 42 of the output shaft 1 of motor, bolt 42 is installed in oblique slotted hole 41, the great one end shaping of cylinder brake rim plate 4 has drive reduction gear's transmission shaft 7.

Specifically, the brake pad structure 5 includes a cylindrical brake pad body 51, the brake pad body 51 is an existing brake pad, is an existing technology, and is made of rubber, grooves 52 are formed in the center positions of the upper surface and the lower surface of the brake pad body 51, a through hole 53 is formed in the center position of each groove 52, a plurality of first mounting holes 54 are symmetrically distributed around the through hole 53, metal rings 55 for clamping and supporting the brake pad body 51 are fixed on the two grooves 52, second mounting holes 56 matched with the first mounting holes 54 are formed in the metal rings 55, a plurality of threaded holes 43 are formed in the surface of the transmission shaft 7 formed on the cylindrical brake wheel disc 4, and installation can be achieved only by using screws to be in threaded connection with the threaded holes 43 of the brake wheel disc 4 through the first mounting holes 54 and the second mounting holes 56, the screw is current technique, when needing to be changed the brake block, only needs to unscrew the screw, takes out brake block body 51, changes new brake block body, alright realize the removable of brake block, easy dismounting adopts threaded connection brake block structure 5 stable simultaneously, is difficult to appear skidding the phenomenon at rotatory in-process.

Specifically, the inner diameter a of the first mounting hole 54 is greater than the inner diameter B of the second mounting hole, and the inner diameter C of the through hole is greater than the inner diameter D of the metal ring 55, so that when the threaded connection is performed, the stress point of the brake structure 5 is on the metal ring 55, the metal ring 55 supports the brake pad body 51, and the brake pad body 51 is prevented from being deformed.

Specifically, the inclined slot 41 is a left-right symmetrical triangular hole, so as to solve the problem of forward and reverse rotation of the motor.

Specifically, the surface of the brake block body 51 is higher than the surface of the metal ring 55 by 3-4 mm, so that the stress area of the brake block is larger, and the metal ring 55 is prevented from being contacted with the brake chassis 6 first to cause abrasion to the metal ring 55.

Specifically, the outer diameter E of the metal ring is 1/3-1/4 of the outer diameter F of the brake body, and the stress area of the brake pad is increased.

Specifically, the thickness G of the brake chassis 6 is 2-4 mm, so that the brake chassis is prevented from occupying too large space.

The utility model discloses the theory of operation of structure does: the during operation, under compression spring 3's effect, compression spring 3 pressure passes through the output shaft 1 of motor, brake wheel dish 4 passes to brake chassis 6, make brake block body 51 and brake chassis 6 sticis the cooperation, produce static friction, be in the brake state this moment, when the motor operates, output shaft 1 of motor drives brake wheel dish 4 through round pin axle 42 and moves left or move right, make the brake block on the brake block structure 5 break away from with brake chassis 6, the brake is thrown off this moment, mechanical braking structure has been realized, with low costs and brake performance is good, in the use, when needing to change the brake block, only need unscrew, take out brake block body 51, change new brake block body 51, realize the removable of brake block, easy dismounting, adopt threaded connection brake block stable in structure simultaneously, be difficult to the phenomenon of skidding in rotatory in-process appearance.

The above description is only a preferred embodiment of the present invention, and all other embodiments obtained by those skilled in the art without any creative effort shall fall within the protection scope of the present invention.

Claims (8)

1. The utility model provides a novel brake equipment of tubular motor, its is including installing the motor in the tubular motor, its characterized in that: bearing (2) are installed to the plug bush in proper order on output shaft (1) of motor, compression spring (3), the cylinder brake rim plate (4) of echelonment, detachable brake block structure (5) and brake chassis (6), tight bearing (2) in compression spring (3) one end top, its other end top tight cylinder brake rim plate (4), it has oblique slotted hole (41) to open on the lateral wall of the less one end of cylinder brake rim plate (4), the bottom fixedly connected with bolt (42) of output shaft (1) of motor, install in oblique slotted hole (41) bolt (42), the great one end shaping of cylinder brake rim plate (4) has transmission shaft (7) that drives decelerator.

2. The novel brake device of the tubular motor as claimed in claim 1, wherein: brake block structure (5) are including cylindrical brake block body (51), the central point of the upper surface of brake block body (51) and lower surface puts all shaping recess (52), through-hole (53) have been seted up to the central point of recess (52), set up first mounting hole (54) of a plurality of symmetric distribution around through-hole (53), two all be fixed with metal ring (55) that the centre gripping supported brake block body (51) on recess (52), set up second mounting hole (56) of mutually supporting with first mounting hole (54) on metal ring (55).

3. The novel brake device of the tubular motor as claimed in claim 2, wherein: the inner diameter A of the first mounting hole (54) is larger than the inner diameter B of the second mounting hole (56), and the inner diameter C of the through hole is larger than the inner diameter D of the metal ring.

4. The novel brake device of the tubular motor as claimed in claim 2, wherein: the cylindrical brake wheel disc (4) is provided with a plurality of threaded holes (43) on the surface of the transmission shaft (7).

5. The novel brake device of the tubular motor as claimed in claim 1, wherein: the inclined slotted hole (41) is a triangular hole which is symmetrical left and right.

6. The novel brake device of the tubular motor as claimed in claim 4, wherein: the surface of the brake block body (51) is 3-4 mm higher than the surface of the metal ring (55).

7. The novel brake device of the tubular motor as claimed in claim 2, wherein: the outer diameter E of the metal ring is 1/3-1/4 of the outer diameter F of the brake body.

8. The novel brake device of the tubular motor as claimed in claim 2, wherein: the thickness G of the brake chassis (6) is 2-4 mm.

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