CN209860722U

CN209860722U - Brushless motor for integrating swing brake control

Info

Publication number: CN209860722U
Application number: CN201920919214.7U
Authority: CN
Inventors: 丘欢
Original assignee: Denke Electric Machinery (taicang) Co Ltd
Current assignee: Denke Electric Machinery (taicang) Co Ltd; Dunkermotoren Taicang Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2019-12-27
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a brushless motor for integrated swing gate control, which comprises a rotor, a rotating shaft, a counterweight plate and a counterweight block, wherein the rotating shaft is arranged on the rotor, the counterweight plate is fixedly arranged on the rotating shaft, and the rotating shaft is driven to rotate by the rotor; the center of the counterweight plate is provided with an installation hole allowing the rotating shaft to pass through, a disc surface of the counterweight plate is provided with a circular sliding groove concentric with the installation hole, and the counterweight block is arranged in the circular sliding groove in a sliding manner and is fixed with the circular sliding groove through a screw; the disc surface of the counterweight disc is circumferentially arrayed with a plurality of openings, and vent pipes communicated with the openings are arranged in the radial circumferential array of the counterweight disc. A circular sliding groove is additionally formed in the counterweight plate, and the position of the counterweight block in the circular sliding groove is changed, so that the motor achieves dynamic balance. The centrifugal force is utilized ingeniously, so that the gas is transferred, the gas in the motor is promoted to flow, and a good heat dissipation effect is formed. The counterweight plate is combined with the breather pipe, so that the size of the motor is greatly reduced.

Description

Brushless motor for integrating swing brake control

Technical Field

The utility model relates to the field of electric machines, in particular to a brushless motor for integrated pendulum floodgate control.

Background

In daily life, the swing gate machine is widely applied, for example, a supermarket entrance, a subway entrance and the like can see the figure of the swing gate machine, the swing gate machine basically comprises a motor, a speed reducer and a gate, one group of swing gate machines or even two groups of swing gate machines need to be accommodated in one box body, the installation range is very small, the size of the motor is limited, the motor can generate heat when in use, if the motor works at high temperature for a long time, the use of the motor can be influenced, and the service life of the motor is greatly shortened. Generally, a heat dissipation fan is installed at the tail of the motor, and the heat dissipation fan is large in size and occupies a large space; in addition, in order to achieve dynamic balance of the motor, a balance block is often arranged on the rotor or the rotating shaft, and the space required by the motor is increased.

SUMMERY OF THE UTILITY MODEL

In view of the defects existing in the prior art, the main object of the present invention is to overcome the disadvantages of the prior art, and to disclose a brushless motor for integrated swing gate control, which comprises a rotor, a rotating shaft, a weight plate and a weight block, wherein the rotating shaft is arranged on the rotor, the weight plate is fixedly arranged on the rotating shaft, and the rotor is used to drive the rotating shaft to rotate; wherein the content of the first and second substances,

the center of the counterweight plate is provided with an installation hole allowing the rotating shaft to pass through, a disc surface of the counterweight plate is provided with a circular sliding groove concentric with the installation hole, and the counterweight block is arranged in the circular sliding groove in a sliding manner and is fixed with the circular sliding groove through a screw; the disc surface of the counterweight disc is circumferentially provided with a plurality of openings in an array manner, and the radial circumference of the counterweight disc is provided with vent pipes communicated with the openings in an array manner.

Furthermore, the periphery of the counterweight plate is provided with an air deflector which guides the gas exhausted from the vent pipe to the other side of the counterweight plate provided with the opening.

Furthermore, the cross-section of circular spout is T shape, follow on the balancing weight circular spout degree of depth direction sets up the screw that runs through, the screw with screw thread fit.

Furthermore, the counterweight plate and the rotating shaft are fixed through welding.

Furthermore, the interface of circular spout is trapezoidal, follow on the balancing weight circular spout degree of depth direction sets up the screw that runs through, the screw with screw thread fit.

Further, the counterweight plate is circular.

Further, the circular sliding groove is formed in one side, far away from the rotor, of the counterweight plate.

The utility model discloses the beneficial effect who gains:

the utility model discloses increase circular spout on the weight plate, through changing the position of balancing weight in circular spout, and then make the motor reach dynamic balance. The centrifugal force is utilized ingeniously, so that the gas is transferred, the gas in the motor is promoted to flow, and a good heat dissipation effect is formed. The counterweight plate is combined with the vent pipe, so that the heat dissipation is met, the rotor is balanced, and the size of the motor is greatly reduced.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a brushless motor for integrated swing gate control according to the present invention;

FIG. 2 is a schematic structural view of a weight plate;

FIG. 3 is a schematic structural view of another perspective of the weight plate;

FIG. 4 is a front view of the weight plate;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a partial cross-sectional view of a weight plate and a weight block in one embodiment;

FIG. 7 is a partial cross-sectional view of another embodiment of a weight plate and weight;

the reference numbers are as follows:

1. the device comprises a rotor, 2, a rotating shaft, 3, a balance weight disc, 4, a balance weight block, 5, a stator, 31, a mounting hole, 32, a circular sliding groove, 33, an opening, 34, a vent pipe, 35, an air deflector, 41 and a screw hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The utility model discloses a brushless motor for $ integrateing pendulum floodgate control, as shown in fig. 1-5, including rotor 1, pivot 2, balance weight dish 3 and balancing weight 4, pivot 2 sets up on rotor 1, puts the rotor in stator 5, drives rotor 1 through stator 5 and rotates, drives pivot 2 and rotates. The counterweight plate 3 is fixedly arranged on the rotating shaft 2; specifically, the center of the counterweight plate 3 is provided with a mounting hole 31 for allowing the rotating shaft 2 to pass through; when the device is installed, the installation hole 31 is sleeved on the rotating shaft 2, and the rotating shaft 2 and the counterweight plate 3 are fixed in a welding mode. A circular chute 32 is arranged on the disc surface of the counterweight disc 3, and the circular chute 32 and the mounting hole are concentrically arranged; the balancing weight 4 is slidably disposed in the circular sliding groove 32, and when the balancing weight is moved to a predetermined position, the balancing weight 4 is fixed to the circular sliding groove 32 by screws. Further, openings 33 are provided in a circumferential array on the plate surface of the weight plate 3, and air tubes 34 communicating with the openings 33 are provided in a circumferential array in the radial direction of the weight plate 3. When the rotor 1 drives the rotating shaft 2 to rotate, and the counterweight plate 3 rotates, gas in the vent pipe 34 is radially discharged under the action of centrifugal force, so that the opening 33 is in negative pressure, air in the motor is discharged from the vent pipe 34 along the opening 33, the gas flow in the motor is further promoted, the motor is cooled, and a good heat dissipation effect is formed.

In one embodiment, the air deflector 35 is further included, and the air deflector 35 is disposed on the outer periphery of the weight plate 3 and is used for guiding the air exhausted from the air pipe to the other side of the weight plate 3 where the opening 33 is disposed. That is, as shown in fig. 1, the weight plate 3 is installed on the rotating shaft 2, and the opening 33 faces the rotor 1, so that heat generated by the rotor 1 and the stator 5 is sucked from the opening 33, then passes through the vent pipe 34, and is discharged toward the rear end of the rotating shaft 2 by being guided by the air deflector 35, and hot air in the motor is discharged. Usually, a heat dissipation hole is arranged at the tail end of the motor, and hot air in the motor is discharged from the heat dissipation hole through the counterweight plate 3.

In one embodiment, as shown in fig. 6, the cross section of the circular sliding groove 32 is T-shaped, the weight block 4 is disposed in the circular sliding groove 32, and the weight block 4 is provided with a screw hole 41 along the depth direction of the circular sliding groove 32, and a screw (not shown) is in threaded fit with the screw hole 41, when the weight block 4 slides to a predetermined position, the screw is rotated to protrude out of the bottom of the screw hole 41, so as to jack up the weight block 4 and press the upper portion of the circular sliding groove 32, thereby fixing the weight block 4.

In another embodiment, as shown in fig. 7, the cross section of the circular sliding groove 32 is trapezoidal, the cross section of the weight block 4 is trapezoidal, and the screw hole 41 is formed in the weight block 4 along the depth direction of the circular sliding groove 32, and a screw (not shown) is in threaded fit with the screw hole 41, when the weight block 4 slides to a specific position, the screw is rotated to protrude out of the bottom of the screw hole 41, so as to jack up the weight block 4, and two side edges of the weight block 4 are pressed against two side edges of the circular sliding groove 32, so as to fix the weight block 4.

In the above embodiment, the contact surface between the weight block 4 and the circular sliding groove 32 is provided with the cushion block, so as to increase the friction between the weight block 4 and the circular sliding groove 32 when being locked, and thus the weight block 4 is more firmly installed.

In one embodiment, the weight plate 4 is circular.

In one embodiment, a circular chute 32 is provided on the side of the weight plate 3 remote from the rotor 1. This facilitates the adjustment of the position of the counterweight 3.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the spirit and scope of the present invention.

Claims

1. A brushless motor for integrated swing gate control is characterized by comprising a rotor, a rotating shaft, a counterweight plate and a counterweight block, wherein the rotating shaft is arranged on the rotor, the counterweight plate is fixedly arranged on the rotating shaft, and the rotating shaft is driven to rotate by the rotor; wherein the content of the first and second substances,

2. The brushless motor for integrated swing gate control of claim 1, wherein the weight plate is provided at an outer periphery thereof with a wind deflector to guide gas exhausted from the breather pipe to the other side of the weight plate where the opening is provided.

3. The brushless motor for integrated swing gate control according to claim 1, wherein the circular chute has a T-shaped cross section, a through screw hole is provided in the counterweight block along the depth direction of the circular chute, and the screw is in threaded engagement with the screw hole.

4. The brushless motor for integrated swing gate control of claim 1, wherein the weight plate and the rotating shaft are fixed by welding.

5. The brushless motor for integrated swing gate control according to claim 1, wherein the interface of the circular sliding groove is trapezoidal, a through screw hole is provided on the counterweight block along the depth direction of the circular sliding groove, and the screw is in threaded fit with the screw hole.

6. The brushless motor for integrated swing gate control of claim 1, wherein the weight plate is circular.

7. The brushless motor for integrated swing gate control of claim 1, wherein the circular chute is disposed on a side of the weight plate away from the rotor.