CN210053305U

CN210053305U - Brushless speed reducing motor

Info

Publication number: CN210053305U
Application number: CN201920949304.0U
Authority: CN
Inventors: 张雪锋; 李飞
Original assignee: Ningbo Rich Tek Motor Co Ltd
Current assignee: Ningbo Rich Tek Motor Co Ltd
Priority date: 2019-06-23
Filing date: 2019-06-23
Publication date: 2020-02-11
Anticipated expiration: 2029-06-23

Abstract

The utility model discloses a brushless gear motor has solved the outer leakage of lubricated material on the gear reduction mechanism to and inside leading to outside moisture to get into the reducing gear box easily, lead to lubricated effect to descend, can lead to the problem that reducing gear breaks down when serious, its technical scheme does, a brushless gear motor, including motor body and reducing gear box, be equipped with gear reduction mechanism in the reducing gear box, motor body's motor shaft cooperatees with gear reduction mechanism, the reducing gear box have with gear reduction mechanism matched with output shaft still be formed with in the reducing gear box and be used for holding the chamber gear reduction mechanism's cavity to avoid the outer leakage of lubricated material in the gear reduction mechanism, and the infiltration of outside water.

Description

Brushless speed reducing motor

Technical Field

The utility model relates to the technical field of motors, more specifically say, relate to a brushless gear motor.

Background

The speed reducing motor is an integrated body of a motor and a speed reducer, and a gear speed reducing motor, a worm gear speed reducing motor, a planet gear speed reducing motor and the like are commonly used. The speed reducer of the existing speed reducing motor usually consists of a gear speed reducing mechanism, lubricating oil or lubricating grease needs to be added in the process of operation, but no isolation mode exists at present, so that the leakage of lubricating substances is easily caused, the external moisture is easily caused to enter the interior of a speed reducing box, the lubricating effect is reduced, and the speed reducing mechanism can be caused to break down in serious cases.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ability increases the leakproofness to the space of gear reduction mechanism place to avoid the lubricated material in the gear reduction mechanism to leak outward, and the infiltration of outside water.

The above technical purpose of the present invention can be achieved by the following technical solutions: a brushless speed reduction motor comprises a motor body and a speed reduction box, wherein a gear speed reduction mechanism is arranged in the speed reduction box, a motor shaft of the motor body is matched with the gear speed reduction mechanism, the speed reduction box is provided with an output shaft matched with the gear speed reduction mechanism, and a cavity used for accommodating the gear speed reduction mechanism is formed in the speed reduction box.

Furthermore, the reduction gearbox comprises an upper end cover and a lower end cover which are connected with each other, and an inner shell which extends towards the direction of the lower end cover is arranged in the upper end cover; or, the lower end cover is provided with an inner shell extending towards the upper end cover.

Furthermore, the reduction gearbox comprises an upper end cover and a lower end cover which are connected with each other, the upper end cover is provided with an upper inner shell extending towards the direction of the lower end cover, the lower end cover is provided with a lower inner shell extending towards the direction of the upper end cover, and the upper inner shell is abutted to the lower inner shell.

Furthermore, a sealing ring is arranged between the upper inner shell and the lower inner shell.

Furthermore, a groove for placing a sealing ring is arranged on the end surface of the upper inner shell and/or the lower inner shell.

Furthermore, a positioning column is arranged at the adjacent position of the upper shell and/or the lower inner shell, and the sealing ring is provided with a positioning end corresponding to the positioning column.

Furthermore, the positioning column is provided with a positioning bulge, and the positioning end is provided with a positioning hole matched with the positioning bulge.

Further, the upper inner shell and the lower inner shell are closed and are matched with the gear reduction mechanism in shape.

Further, the upper inner shell and the upper end cover are integrally formed, and the lower inner shell and the lower end cover are integrally formed.

By adopting the technical scheme, the utility model discloses following beneficial effect has:

1. by arranging the cavity, the lubricating oil in the gear speed reducing mechanism can be prevented from leaking out, and external moisture can be prevented from entering the cavity;

2. the sealing effect can be further enhanced by arranging the sealing ring;

3. the chamber is matched with the gear reduction mechanism, so that the space utilization rate in the reduction gearbox can be effectively utilized.

Drawings

FIG. 1 is a schematic view of a brushless geared motor according to the present embodiment;

FIG. 2 is a schematic view of the installation of the seal ring and the reduction gearbox according to one of the following embodiments in the present embodiment;

FIG. 3 is an exploded view of another embodiment of the present embodiment;

fig. 4 is an exploded view of another perspective of another embodiment of the present embodiment.

Reference numerals: 1. a motor body; 11. a motor shaft; 2. a reduction gearbox; 21. a gear reduction mechanism; 3. an upper end cover; 31. an upper inner shell; 4. a lower end cover; 41. a lower inner shell; 5. a seal ring; 51. positioning holes; 6. a groove; 7. a positioning column; 8. a chamber.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The disclosed inventive concepts will be described hereinafter using terms commonly employed by those skilled in the art to convey the substance of their work to others skilled in the art. These utility concepts may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of their inclusion to those skilled in the art. It should also be noted that these embodiments are not mutually exclusive. A component, step, or element from one embodiment may be assumed to be present or used in another embodiment. The particular embodiments shown and described may be substituted for a wide variety of alternate and/or equivalent implementations without departing from the scope of the disclosed embodiments. This application is intended to cover any adaptations or variations of the embodiments discussed herein. It will be apparent to those skilled in the art that alternative embodiments may be practiced using only some of the described aspects. Specific numbers, materials, and configurations are set forth in the examples for the purpose of illustration, however, alternative examples may be practiced by those skilled in the art without these specific details. In other instances, well-known features may be omitted or simplified in order not to obscure the illustrative embodiments.

In the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "mated," "secured," and the like are to be construed broadly, e.g., as fixed or removably mated, or integrated; either mechanically or electrically or in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to the attached figures 1 and 4, the gear reduction motor comprises a motor body 1 and a reduction gearbox 2, wherein a gear reduction mechanism 21 is arranged in the reduction gearbox 2, a motor shaft 11, a rotor assembly, a stator assembly and the like are arranged in the motor body 1, one part of the motor shaft 11 extends into the reduction gearbox 2 and is matched with the gear reduction mechanism 21, an output shaft is arranged in the reduction gearbox 2 and is positioned in the reduction gearbox 2, and the output shaft penetrates out from one end of the reduction gearbox 2. A chamber 8 for accommodating the gear reduction mechanism 21 is formed in the reduction gearbox 2, and the chamber 8 can realize the waterproof function on one hand and can prevent lubricating oil on the gear reduction mechanism 21 from leaking to the outside on the other hand.

Wherein, reducing gear box 2 includes upper end cover 3 and lower extreme cover 4, and upper end cover 3 and lower extreme cover 4 interconnect can be screw interconnect in this embodiment. The upper end cover 3 and the lower end cover 4 are both in a cuboid shape, and the positions of screw connection are at four corners.

As an expression of a cavity of the present embodiment, an inner shell is provided on the upper end cover 3 or the lower end cover 4, and the gear reduction mechanism 21 is located in the inner shell. The inner housing is arranged on the basis of the upper end cover 3 or the lower end cover 4, and when arranged on the upper end cover 3, the bottom surface of the cavity 8 is the bottom surface of the upper end cover 3, and the inner housing provides a circumferential shell and a top cover, so that the cavity 8 for placing the gear reduction mechanism 21 is formed. Similarly, when the gear reduction mechanism is arranged on the lower end cover 4, the bottom surface of the cavity 8 is the bottom surface of the lower end cover 4, and the inner shell provides a circumferential shell and a top cover, so that the cavity 8 for placing the gear reduction mechanism 21 is formed. In this manner, the inner housing is detachably connected to the upper end cap 3 or the lower end cap 4, so that the gear reduction mechanism 21 is first inserted and then assembled to form the cavity 8. Correspondingly, the inner shell is also provided with a through hole for the output shaft to penetrate out.

Referring to fig. 3 and 4, as another expression of the present embodiment, the upper cap 3 has an upper inner shell 31 extending toward the lower cap 4, the lower cap 4 has a lower inner shell 41 extending toward the upper cap 3, and the upper inner shell 31 abuts against the lower inner shell 41. The upper and lower

inner cases

31 and 41 are each integrally formed with the upper and

lower caps

3 and 4, respectively. The upper inner shell 31 and the lower inner shell 41 are respectively arranged on the basis of the upper end cover 3 and the lower end cover 4, and have a structure in the circumferential direction without a top cover, namely, the top part is in an opening shape, and the shapes and the sizes of the upper inner shell 31 and the lower inner shell 41 are preferably selected to be the same, so that after being matched together, a cavity 8 jointly formed by the spaces of the upper end cover 3 and the lower end cover 4 is formed, and the area of the cavity 8 can be utilized more.

Further, in order to improve the sealing effect, the sealing ring 5 is provided on either or both of the upper inner casing 31 and the lower inner casing 41, which can achieve the effect of better preventing the lubricant in the gear reduction mechanism 21 from leaking and preventing external moisture from entering the chamber 8.

Referring to fig. 2, the sealing ring 5 may be installed in the following manner: the end face of the upper inner shell 31 and/or the lower inner shell 41 is provided with a groove 6 for placing the sealing ring 5, the sealing ring 5 is embedded into the groove 6, the depth of the groove 6 is smaller than the height of the sealing ring 5, the sealing ring 5 can be exposed partially, and the sealing effect is achieved.

Referring to fig. 4, of course, the sealing ring 5 may also be provided with a positioning column 7 at a position adjacent to the upper shell and/or the lower inner shell 41, the sealing ring 5 is provided with a positioning end corresponding to the positioning column 7, the positioning column 7 is provided with a positioning protrusion, and the positioning end is provided with a positioning hole 51 matched with the positioning protrusion, so as to fix the sealing ring 5.

Alternatively, the sealing ring 5 may be fixed by a combination of the two methods, or by other fixing methods commonly used in machines.

Claims

1. The brushless speed reducing motor is characterized by comprising a motor body (1) and a speed reducing box (2), wherein a gear speed reducing mechanism (21) is arranged in the speed reducing box (2), a motor shaft (11) of the motor body (1) is matched with the gear speed reducing mechanism (21), the speed reducing box (2) is provided with an output shaft matched with the gear speed reducing mechanism (21), and a cavity (8) used for accommodating the gear speed reducing mechanism (21) is further formed in the speed reducing box (2).

2. The brushless speed reducing motor according to claim 1, wherein the speed reducing box (2) comprises an upper end cover (3) and a lower end cover (4) which are connected with each other, and an inner shell which extends towards the lower end cover (4) is arranged in the upper end cover (3); or the lower end cover (4) is provided with an inner shell extending towards the upper end cover (3).

3. The brushless speed reducing motor according to claim 1, wherein the reduction box (2) comprises an upper end cover (3) and a lower end cover (4) which are connected with each other, the upper end cover (3) is provided with an upper inner shell (31) extending towards the lower end cover (4), the lower end cover (4) is provided with a lower inner shell (41) extending towards the upper end cover (3), and the upper inner shell (31) is abutted against the lower inner shell (41).

4. A brushless gear motor according to claim 3, characterized in that a sealing ring (5) is provided between the upper inner housing (31) and the lower inner housing (41).

5. Brushless geared motor according to claim 4, characterized in that a groove (6) is provided on the end face of the upper inner housing (31) and/or the lower inner housing (41) for the placement of the sealing ring (5).

6. The brushless geared motor according to claim 4, wherein positioning posts (7) are provided at adjacent positions of the upper and/or lower inner housing (41), and the sealing ring (5) is provided with positioning ends corresponding to the positioning posts (7).

7. The brushless gear motor of claim 6, wherein the positioning post (7) has a positioning protrusion thereon, and the positioning end has a positioning hole (51) matching with the positioning protrusion.

8. The brushless geared motor according to claim 3, wherein the upper inner housing (31) and the lower inner housing (41) are closed and have a shape adapted to the gear reduction mechanism (21).

9. The brushless geared motor according to claim 3, wherein the upper inner housing (31) is integrally formed with the upper end cap (3), and the lower inner housing (41) is integrally formed with the lower end cap (4).