CN214205227U

CN214205227U - Motor with self-locking function

Info

Publication number: CN214205227U
Application number: CN202022964066.6U
Authority: CN
Inventors: 胡松坡; 方建超; 王伟
Original assignee: Qingdao Richmat Intelligence Technology Inc
Current assignee: Qingdao Richmat Intelligence Technology Inc
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-09-14
Anticipated expiration: 2030-12-12

Abstract

The utility model discloses a motor with self-locking function, which comprises a rotating shaft, a damper component, a first bearing, a rear cover, a second bearing, a glue layer, a front cover, a first clearance layer, a second clearance layer and a grease layer, the damper assembly consists of a wear-resistant gasket and an elastic structural member, one end of the rotating shaft is sleeved with a rear cover, the other end of the rotating shaft is sleeved with a front cover, a first bearing is sleeved in the rear cover, and the first bearing is sleeved outside one end of the rotating shaft, one end of the rotating shaft is provided with a grease layer, one end of the grease layer is provided with a damper component, the damper assembly is positioned on one side of the inner wall of the rear cover, the other end of the rotating shaft is sleeved with a second bearing, the motor with the self-locking function is simple in structure, and solves the problems of complex structure, large occupied space, high cost and low production efficiency caused by the existing scheme of increasing self-locking by using a brake; with simple structure, small and exquisite volume, low cost, efficient production efficiency, realize the purpose of increase push rod motor auto-lock.

Description

Motor with self-locking function

Technical Field

The utility model relates to a drive technical field specifically is a motor with self-locking function.

Background

In the field of drivers, the self-locking force of a push rod motor is increased mainly by increasing a brake; the brake includes: brake pads, springs, outer covers, etc. The working principle is as follows: the brake pad is wrapped on the motor rotating shaft; a spring is arranged outside the brake pad, when the motor rotates, the spring is tightened, and friction between the brake pad and the rotating shaft is increased; the increased friction provides resistance for preventing the rotation of the rotating shaft, so that the effect of increasing self-locking is achieved; the outer cover is used for protecting the brake pad and the spring and plays a role in fixing the position; but the disadvantages are: the structure is complex, the occupied space is large, the cost is high, and the production efficiency is low; in view of these drawbacks, it is necessary to design a motor with a self-locking function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor with self-locking function to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a motor with self-locking function comprises a rotating shaft, a damper assembly, a first bearing, a rear cover, a second bearing, a glue layer, a front cover, a first gap layer, a second gap layer and a grease layer, wherein the damper assembly comprises a wear-resistant gasket and an elastic structural member, the rear cover is sleeved at one end of the rotating shaft, the front cover is sleeved at the other end of the rotating shaft, the first bearing is sleeved inside the rear cover, the first bearing is sleeved outside one end of the rotating shaft, the grease layer is arranged at one end of the rotating shaft, the damper assembly is arranged at one end of the grease layer and consists of the elastic structural member and the wear-resistant gasket, the wear-resistant gasket is positioned on one side of the grease layer, the elastic structural member is positioned on one side of the inner wall of the rear cover, the second bearing is sleeved at the other end of the rotating shaft, the second bearing is positioned on the other side of the front cover, the first gap layer and the second gap layer are arranged at the center of the second bearing and the front cover, and one end of the second bearing is provided with a glue layer, and the glue layer is connected with the front cover.

Furthermore, mounting holes are formed in the centers of the front cover and the rear cover and are respectively sleeved on the outer sides of the first bearing and the second bearing.

Furthermore, the motor rotor is sleeved at the center of the rotating shaft and is sleeved inside the front cover, the rear cover and the stator, and the front end cover and the rear end cover are connected into a whole by the stator.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the motor with the self-locking function is simple in structure and convenient to operate, and solves the problems of complex structure, large occupied space, high cost and low production efficiency caused by the existing scheme of increasing self-locking by using a brake; with simple structure, small and exquisite volume, low cost, efficient production efficiency, realize the purpose of increase push rod motor auto-lock.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a cross-sectional view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the front cover of the present invention;

FIG. 3 is an enlarged view of the rear cover of the present invention;

in the figure: 1. a rotating shaft; 2. a damper assembly; 3. a first bearing; 4. a rear cover; 5. a second bearing; 6. a glue layer; 7. a front cover; 8. a first gap layer; 9. a second gap layer; 10. a wear resistant pad; 11. an elastic structural member; 12. a grease layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a motor with a self-locking function comprises a rotating shaft 1, a damper assembly 2, a first bearing 3, a rear cover 4, a second bearing 5, a glue layer 6, a front cover 7, a first clearance layer 8, a second clearance layer 9, a wear-resistant gasket 10, an elastic structural member 11 and a grease layer 12, wherein one end of the rotating shaft 1 is sleeved with the rear cover 4, the other end of the rotating shaft 1 is sleeved with the front cover 7, a motor rotor is sleeved at the center of the rotating shaft 1 and sleeved inside the front cover 7 and the rear cover 4 to be beneficial to the use of the rotating shaft 1, the rear cover 4 is sleeved with the first bearing 3, the first bearing 3 is sleeved outside one end of the rotating shaft 1, the grease layer 12 is arranged at one end of the rotating shaft 1, the damper assembly 2 is arranged at one end of the grease layer 12, the damper assembly 2 is composed of the wear-resistant gasket 10 and the elastic structural member 11, the wear-resistant gasket 10 is positioned on one side of the grease layer 12, the elastic structural member 11 is positioned on one side of the inner wall of the rear cover 4, the other end of the rotating shaft 1 is sleeved with a second bearing 5, the second bearing 5 is positioned on the other side of the front cover 7, mounting holes are formed in the centers of the front cover 7 and the rear cover 4 respectively, the mounting holes are sleeved on the outer sides of the first bearing 3 and the second bearing 5 respectively, so that the first bearing 3 and the second bearing 5 are favorably and fixedly mounted, a first clearance layer 8 and a second clearance layer 9 are arranged in the centers of the second bearing 5 and the front cover 7 respectively, a glue layer 6 is arranged at one end of the second bearing 5, and the glue layer 6 is connected with the front cover 7; when the motor with the self-locking function is used, a first gap layer 8 and a second gap layer 9 are reserved between a second bearing 5 and a front cover 7, when the motor is assembled, an axial external force is applied to the second bearing 5, the second gap layer 9 is reduced, the second bearing 5 transmits the pressure to the rotating shaft 1, the rotating shaft 1 has an axial force, and the direction of the force faces to the direction of the damper assembly 2; as the shaft 1 and the damper assembly 2 are in contact, the shaft 1 exerts this force on the damper assembly 2, providing pressure to the damper assembly 2; the damper assembly 2 provides a radial rotation resistance for the rotating shaft 1 after being pressurized, so that the rotating shaft 1 is prevented from rotating; when a load is applied to the static motor, the load can apply a radial rotating force to the rotating shaft 1 to force the rotating shaft 1 to rotate passively; at this moment, the radial rotating resistance provided by the damper assembly 2 is greater than the radial rotating force applied by the load, so that the rotating shaft 1 is prevented from rotating, the motor is kept in a static state, and the effect of increasing the self-locking of the motor is achieved; and a glue layer 6 is filled in the first gap layer 8, and the second bearing 5 is fixed, so that the constancy of the pressure borne by the rotating shaft 1 is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a motor with self-locking function, includes pivot (1), attenuator subassembly (2), first bearing (3), back lid (4), second bearing (5), glue layer (6), protecgulum (7), first clearance layer (8), second clearance layer (9) and grease layer (12), attenuator subassembly (2) comprise wear-resisting gasket (10) and elastic construction spare (11), its characterized in that: the utility model discloses a damping device of a motor vehicle, including pivot (1), pivot (1) one end has cup jointed back lid (4), the pivot (1) other end has cup jointed protecgulum (7), first bearing (3) have been cup jointed to back lid (4) inside, and first bearing (3) cup joint in pivot (1) one end outside, pivot (1) one end is provided with grease layer (12), grease layer (12) one end is provided with attenuator subassembly (2), attenuator subassembly (2) comprises wear-resisting gasket (10) and elastic construction spare (11), wear-resisting gasket (10) are located grease layer (12) one side, elastic construction spare (11) are located back lid (4) inner wall one side, the pivot (1) other end has cup jointed second bearing (5), and second bearing (5) are located protecgulum (7) opposite side, second bearing (5) and protecgulum (7) center department all are provided with first clearance layer (8) and second clearance layer (9), and a glue layer (6) is arranged at one end of the second bearing (5), and the glue layer (6) is connected with the front cover (7).

2. The motor with the self-locking function according to claim 1, wherein: the front cover (7) and the rear cover (4) are provided with mounting holes at the centers, and the mounting holes are respectively sleeved on the outer sides of the first bearing (3) and the second bearing (5).

3. The motor with the self-locking function according to claim 1, wherein: the motor rotor is sleeved at the center of the rotating shaft (1), the motor rotor is sleeved inside the front cover (7), the rear cover (4) and the stator, and the front end cover and the rear end cover are connected into a whole by the stator.