CN221058133U - DC brushless speed reducing motor - Google Patents

Abstract

The utility model provides a direct current brushless gear motor, which comprises a direct current brushless motor and a reduction gearbox, wherein the reduction gearbox comprises a shell, an output part and a transmission mechanism, one surface of the shell is provided with an output hole and an input hole, the output hole and the input hole penetrate through the shell, the transmission mechanism is positioned in the shell, one end of the transmission mechanism is connected with the output part, one end of the output part, which is far away from the transmission mechanism, penetrates through the output hole and is positioned outside the shell, the transmission mechanism comprises an input shaft, the direct current brushless motor comprises a driving mechanism, one end of the input shaft penetrates through the input hole and is connected with the driving mechanism, one end of the driving mechanism, which is far away from the input shaft, is connected with a crank, and one end of the input shaft, which is far away from the driving mechanism, is connected with a standby connection part. Through setting up input shaft and reserve connecting portion, make the accessible crank of operating personnel debug and maintain at brushless gear motor's of direct current two sides, maintain conveniently and can not divide left and right model to produce.

Description

DC brushless speed reducing motor

Technical Field

The utility model relates to the technical field of motors, in particular to a direct-current brushless speed reduction motor.

Background

The DC brushless speed reducing motor is composed of a DC brushless motor and a speed reducing box. In general, a brushless dc motor has a high output rotational speed and a small torque, and is difficult to drive a heavy mechanical structure, so that the rotational speed is reduced and the torque is increased by adding a reduction gearbox. The traditional reduction gearbox usually uses a worm wheel and a worm to drive, but the worm wheel and the worm are easy to wear, the driving sound is large, and the service life is short, so that the prior art starts to adopt a straight gear and a helical gear to drive.

In many application scenarios of a direct current brushless gear motor, a barrier gate is one of the most common scenarios of using a gear motor in daily life of people. And a plurality of motors are often required to be used in a barrier gate system, so that the barrier gate system can keep long-time operation, and the stability and the service life of the direct-current brushless speed reduction motor are more required.

The maintenance port of the direct current brushless gear motor adopted in the existing barrier gate system is single, the motor can be debugged and maintained only on one side of the motor, the design of the motor is affected, the left machine type and the right machine type are required to be designed for the symmetrically arranged barrier gate system, the production efficiency is not high enough, and the storage cost is increased. For a few motors which are not divided into left and right types, if the motor is close to a wall or is limited by other places, even if the maintenance port of one side of the motor is not shielded, the maintenance port of the other side of the motor is easily shielded by a wall under the condition that a barrier gate system is symmetrically arranged, so that the debugging and maintenance of an operator on the motor are more troublesome, and the timely debugging and maintenance are also a part of the service life of the motor.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide a direct current brushless speed reduction motor and aims to solve the problem that a maintenance port of the direct current brushless speed reduction motor in the prior art is single.

In order to achieve the above object, the present utility model is achieved by the following technical scheme:

The utility model provides a brushless gear motor of direct current, includes brushless DC motor and reducing gear box, the reducing gear box includes casing, output and drive mechanism, the one side of casing sets up output hole and input hole, the output hole reaches the input hole is all run through the casing, drive mechanism is located inside the casing, output is connected to drive mechanism's one end, output is kept away from drive mechanism's one end passes the output hole is arranged in outside the casing to connect and drive external equipment, drive mechanism includes the input shaft, brushless DC motor includes actuating mechanism, the one end of input shaft passes the input hole is connected actuating mechanism, actuating mechanism keeps away from the one end of input shaft connects the crank, the crank is used for debugging brushless DC gear motor, the input shaft is kept away from the one end of actuating mechanism connects reserve connecting portion, reserve connecting portion passes the casing is on one side of brushless DC motor, and is arranged in outside the casing.

Compared with the prior art, the utility model has the beneficial effects that: through setting up independently of DC brushless motor the input shaft, and set up and pass the casing reserve connecting portion makes operating personnel accessible the hand crank is in DC brushless gear motor's two sides are debugged and are maintained, and it is convenient and can not divide left and right model to produce to maintain, has improved production efficiency, has reduced storage cost.

Further, the transmission mechanism further comprises a first transmission shaft, a first gear, a second transmission shaft, a second gear, a third gear and an output shaft, wherein the first transmission shaft, the second transmission shaft and the output shaft are arranged between two opposite inner side walls of the shell, the first gear is sleeved on the first transmission shaft, the input shaft is meshed with the first gear, the input shaft drives the first transmission shaft to rotate through the first gear, the first transmission shaft is meshed with the second gear, the second gear is sleeved on the second transmission shaft, the first transmission shaft drives the second transmission shaft to rotate through the second gear, the second transmission shaft is meshed with the third gear, the third gear is sleeved on the output shaft, the second transmission shaft drives the output shaft to rotate through the third gear, and the output shaft is used for connecting the output part.

Still further, the casing includes first casing and second casing, first casing is connected DC brushless motor, the second casing lid is located first casing is dorsad DC brushless motor's one side is last, the second casing orientation first casing's one side indent forms input fixed zone, first fixed zone, second fixed zone and output fixed zone, input fixed zone is used for holding the input shaft is kept away from actuating mechanism's one end, first fixed zone is used for holding the one end of first transmission shaft, second fixed zone is used for holding the one end of second transmission shaft, output fixed zone is used for holding the output shaft is kept away from the one end of output.

Still further, the inner wall connection input fixed part, first fixed part, second fixed part and the output fixed part of first casing, input fixed part encircles the input hole sets up, input fixed part is used for holding the input shaft is kept away from the one end of input fixed zone, first fixed part is cyclic annular, first fixed part is used for holding first transmission shaft is kept away from the one end of first fixed zone, second fixed part is cyclic annular, second fixed part is used for holding the second transmission shaft is kept away from the one end of second fixed zone, output fixed part encircles the output hole sets up, output fixed part is used for holding the output shaft is kept away from the one end of output fixed zone.

Furthermore, the outer walls of the input fixing part, the first fixing part, the second fixing part and the output fixing part are all connected with a plurality of reinforcing ribs.

Further, the second housing is provided with a standby output hole corresponding to the output shaft, and the standby output hole penetrates through the second housing and is communicated with the output fixing area.

Still further, the second housing is provided with a standby input hole corresponding to the input shaft, and the standby input hole penetrates through the second housing and is communicated with the input fixing area, so that the standby connection part penetrates out of the housing.

Still further, the second casing is facing away from the one side of first casing sets up a plurality of external reinforcement.

Drawings

Fig. 1 is a schematic view of a first view angle structure of a dc brushless deceleration motor according to an embodiment of the utility model;

fig. 2 is a schematic view of a second view angle structure of a dc brushless deceleration motor according to an embodiment of the utility model;

FIG. 3 is a schematic diagram of a driving mechanism in a DC brushless motor according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a first housing in the dc brushless reducing motor according to the embodiment of the utility model;

fig. 5 is a schematic structural diagram of a second housing in the dc brushless reducing motor according to the embodiment of the utility model;

fig. 6 is a schematic view of a third view angle structure of a dc brushless deceleration motor according to an embodiment of the utility model;

fig. 7 is a schematic structural diagram of an input shaft in a dc brushless reduction motor according to an embodiment of the present utility model;

description of main reference numerals:

the utility model will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 7, the dc brushless reduction motor in the embodiment of the utility model includes a dc brushless motor 200 and a reduction gearbox 100, the reduction gearbox 100 includes a housing, an output part 400 and a transmission mechanism, the housing includes a first housing 110 and a second housing 111, the first housing 110 is connected to the dc brushless motor 200, the second housing 111 covers a surface of the first housing 110 opposite to the dc brushless motor 200, an output hole 150 and an input hole 120 are disposed on a surface of the first housing 110, the output hole 150 and the input hole 120 penetrate through the first housing 110, the transmission mechanism is located inside the housing, one end of the transmission mechanism is connected to the output part 400, one end of the output part 400 far away from the transmission mechanism penetrates through the output hole 150 and is located outside the housing to connect and drive an external device, the transmission mechanism includes an input shaft 600, one end of the input shaft 600 penetrates through the input hole 120 to connect to the drive mechanism, one end of the input shaft 600 is far away from the dc brushless motor 300 and is connected to the standby crank, and one end of the transmission mechanism is far away from the dc brushless motor 300 and is connected to the standby crank 500. It can be appreciated that the standby connection portion 500 may be used to connect the hand crank 300, that is, the connection position of the hand crank 300 may be changed according to the application site, and debugging and maintenance of the dc brushless speed reduction motor may be performed from the side of the housing facing away from the output portion 400, so that in a symmetrical barrier gate system, when two dc brushless speed reduction motors are used as the left machine and the right machine respectively, if the output portion 400 of the left machine faces into the gate, the output portion 400 of the right machine may be set to face out of the gate; when one side of the barrier gate system needs to be tightly attached to a wall, for example, one side of the left machine facing away from the output part 400 is attached to the wall, the hand crank 300 of the left machine can be arranged on the same side of the output part 400, at this time, the output part 400 of the right machine is attached to the wall, the hand crank 300 of the right machine can be arranged on the side facing away from the output part 400 of the right machine, and the maintenance and debugging of the left machine and the right machine are not obstructed by operators.

The transmission mechanism further comprises a first transmission shaft 700, a first gear 720, a second transmission shaft 800, a second gear 810, a third gear 910 and an output shaft 900, wherein the first transmission shaft 700, the second transmission shaft 800 and the output shaft 900 are arranged between two opposite inner side walls of the shell, the first gear 710 is sleeved on the first transmission shaft 700, the input shaft 600 is in meshed connection with the first gear 720, so that the input shaft 600 drives the first transmission shaft 700 to rotate through the first gear 720, the first transmission shaft 700 is in meshed connection with the second gear 810, the second gear 810 is sleeved on the second transmission shaft 800, so that the first transmission shaft 700 drives the second transmission shaft 800 to rotate through the second gear 810, the second transmission shaft 800 is in meshed connection with the third gear 910, the third gear 910 is sleeved on the output shaft 900, so that the second transmission shaft 800 drives the output shaft 900 to rotate through the third gear 910, and the output shaft 400 is used for being connected with the output part 400. Preferably, an input engaging portion 610 is disposed at an end of the input shaft 600 away from the dc brushless motor 200 to engage the first gear 720, a first engaging portion 710 is disposed on the first transmission shaft 700, the first engaging portion 710 is higher than the first gear 720 and is used for engaging the second gear 810, a second engaging portion 820 is disposed on the second transmission shaft 800, the second engaging portion 820 is lower than the second gear 810 and is used for engaging the third gear 910, further, the input engaging portion 610, the first gear 720, the first engaging portion 710 and the second gear 810 are all helical teeth, and the second engaging portion 820 and the third gear 910 are all straight teeth. As can be appreciated, the power output by the brushless dc motor 200 is output from the output unit 400 after being reduced and increased in torque via the transmission mechanism, and compared with the conventional power transmission mechanism using a worm, the transmission mechanism has high transmission efficiency, more precise control, more stable operation and less noise.

The second housing 111 forms an input fixing area 122, a first fixing area 132, a second fixing area 142 and an output fixing area 152 towards one surface of the first housing 110, the input fixing area 122 is used for accommodating one end of the input shaft 600 away from the driving mechanism, the first fixing area 132 is used for accommodating one end of the first transmission shaft 700, the second fixing area 142 is used for accommodating one end of the second transmission shaft 800, the output fixing area 152 is used for accommodating one end of the output shaft 900 away from the output part 400, the inner wall of the first housing 110 is connected with the input fixing part 121, the first fixing part 131, the second fixing part 141 and the output fixing part 151, the input fixing part 121 is arranged around the input hole 120, the input fixing part 121 is used for accommodating one end of the input shaft 600 away from the input fixing area 122, the first fixing part 131 is annular, the first fixing portion 131 is configured to receive an end of the first transmission shaft 700 away from the first fixing area 132, the second fixing portion 141 is in a ring shape, the second fixing portion 141 is configured to receive an end of the second transmission shaft 800 away from the second fixing area 142, the output fixing portion 151 is disposed around the output hole 150, the output fixing portion 151 is configured to receive an end of the output shaft 900 away from the output fixing area 152, the second housing 111 is provided with a standby output hole corresponding to the output shaft 900, the standby output hole penetrates the second housing 111 and communicates with the output fixing area 152, the second housing 111 is provided with a standby input hole corresponding to the input shaft 600, the standby input hole penetrates the second housing 111 and communicates with the input fixing area 122, so that the standby connection portion 500 penetrates the housing, the input shaft 600, the first transmission shaft 700, the second transmission shaft 800 and the output shaft 900 are all perpendicular to the second housing 111, the input fixing area 122 is adapted to an end of the input shaft 600 away from the driving mechanism, the input fixing portion 121 is adapted to an end of the input shaft 600 away from the input fixing area 122, the first fixing portion 132 is adapted to an end of the first transmission shaft 700, the first fixing portion 131 is adapted to the first transmission shaft 700, the second fixing portion 142 is adapted to an end of the second transmission shaft 800, the second fixing portion 141 is adapted to the second transmission shaft 800, the output fixing portion 152 is adapted to an end of the output shaft 900 away from the output portion 400, and the output fixing portion 151 is adapted to an end of the output shaft 900 away from the output fixing portion 152. It will be appreciated that the end of the output shaft 900 remote from the output portion 400 may be open to the outside of the housing, and the spare output hole may be used for assembly and debugging, and in case of emergency, the spare output hole may be connected to the output shaft 900, so as to output power.

The outer walls of the input fixing portion 121, the first fixing portion 131, the second fixing portion 141, and the output fixing portion 151 are all connected with a plurality of reinforcing ribs 160, and a plurality of external reinforcing ribs are disposed on a surface of the second housing 111 facing away from the first housing 110. Preferably, the first housing 110 and the second housing 111 may be connected by a bolt, the reinforcing rib 160 may extend to a fixing point of the bolt, the input fixing portion 121, the first fixing portion 131, the second fixing portion 141 and the output fixing portion 151 are further integrally connected by the reinforcing rib 160, and the external reinforcing rib is made of the same material and structure as the reinforcing rib 160. As can be appreciated, the reinforcing ribs 160 and the external reinforcing ribs greatly enhance the mechanical strength of the housing, and make the transmission mechanism more stable in the housing, increasing the durability of the dc brushless reduction motor.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (8)

1. The utility model provides a brushless gear motor of direct current, its characterized in that, includes brushless DC motor and reducing gear box, the reducing gear box includes casing, output and drive mechanism, the one side of casing sets up output hole and input hole, output hole with the input hole all runs through the casing, drive mechanism is located inside the casing, output is connected to drive mechanism's one end, output is kept away from drive mechanism's one end passes the output hole and is arranged in outside the casing to connect and drive external equipment, drive mechanism includes the input shaft, brushless DC motor includes actuating mechanism, the one end of input shaft passes the input hole and connect actuating mechanism, actuating mechanism is kept away from the one end of input shaft is connected the crank, the crank is used for debugging brushless DC motor, the input shaft is kept away from actuating mechanism's one end is connected reserve connecting portion, reserve connecting portion passes the casing is dorsad DC motor's one side, and is arranged in outside the casing.

2. The direct current brushless gear motor according to claim 1, wherein the transmission mechanism further comprises a first transmission shaft, a first gear, a second transmission shaft, a second gear, a third gear and an output shaft, the first transmission shaft, the second transmission shaft and the output shaft are all arranged between two opposite inner side walls of the shell, the first gear is sleeved on the first transmission shaft, the input shaft is meshed with the first gear so that the input shaft drives the first transmission shaft to rotate through the first gear, the first transmission shaft is meshed with the second gear, the second gear is sleeved on the second transmission shaft so that the first transmission shaft drives the second transmission shaft to rotate through the second gear, the second transmission shaft is meshed with the third gear, the third gear is sleeved on the output shaft so that the second transmission shaft drives the output shaft to rotate through the third gear, and the output shaft is used for connecting the output part.

3. The direct current brushless speed reduction motor according to claim 2, wherein the housing comprises a first housing and a second housing, the first housing is connected with the direct current brushless motor, the second housing is covered on one surface of the first housing facing away from the direct current brushless motor, an input fixing area, a first fixing area, a second fixing area and an output fixing area are formed by inwards concave one surface of the second housing facing towards the first housing, the input fixing area is used for accommodating one end of the input shaft far away from the driving mechanism, the first fixing area is used for accommodating one end of the first transmission shaft, the second fixing area is used for accommodating one end of the second transmission shaft, and the output fixing area is used for accommodating one end of the output shaft far away from the output part.

4. The direct current brushless speed reduction motor according to claim 3, wherein an inner wall of the first housing is connected with an input fixing portion, a first fixing portion, a second fixing portion and an output fixing portion, the input fixing portion is disposed around the input hole, the input fixing portion is used for accommodating an end of the input shaft away from the input fixing area, the first fixing portion is annular, the first fixing portion is used for accommodating an end of the first transmission shaft away from the first fixing area, the second fixing portion is annular, the second fixing portion is used for accommodating an end of the second transmission shaft away from the second fixing area, the output fixing portion is disposed around the output hole, and the output fixing portion is used for accommodating an end of the output shaft away from the output fixing area.

5. The dc brushless reducing motor according to claim 4, wherein outer walls of the input fixing portion, the first fixing portion, the second fixing portion and the output fixing portion are connected with a plurality of reinforcing ribs.

6. The direct current brushless speed reducing motor according to claim 3, wherein the second housing is provided with a standby output hole corresponding to the output shaft, and the standby output hole penetrates through the second housing and is communicated with the output fixing area.

7. The direct current brushless speed reducing motor according to claim 3, wherein the second housing is provided with a standby input hole corresponding to the input shaft, the standby input hole penetrates the second housing and communicates with the input fixing area so that the standby connection part penetrates the housing.

8. The direct current brushless speed reducing motor according to claim 3, wherein a plurality of external reinforcing bars are arranged on one surface of the second housing facing away from the first housing.