CN209823587U - Reduction box lower casing and motor - Google Patents
Reduction box lower casing and motor Download PDFInfo
- Publication number
- CN209823587U CN209823587U CN201921105269.0U CN201921105269U CN209823587U CN 209823587 U CN209823587 U CN 209823587U CN 201921105269 U CN201921105269 U CN 201921105269U CN 209823587 U CN209823587 U CN 209823587U
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- Prior art keywords
- locking ring
- motor
- rotating shaft
- braking
- reduction gearbox
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Abstract
The utility model relates to the field of motors, in particular to a reduction gearbox lower shell and a motor, wherein the reduction gearbox lower shell and the motor comprise a locking ring which is embedded and fixed in a lower shell body; the locking ring is internally provided with a braking part, a rotating shaft extending out of the motor is matched with the braking part in a damping mode, the braking piece and the outer wall of the rotating shaft perform friction braking at the moment when the motor stops rotating so as to realize timely braking of the motor, the distance between the driven position and the braking position is small, the motor is self-locked when the motor does not work, the distance between the driving position and the braking position is small at the moment, the torsion force borne by the rotating shaft is reduced, and the rotating shaft is prevented from being twisted or even twisted off.
Description
Technical Field
The utility model relates to a motor field especially relates to a reducing gear box inferior valve and motor.
Background
The existing motor can brake and stop rotating a rotating shaft of the motor in time at the moment when the motor stops rotating after being provided with the locking ring, and has a self-locking effect after the motor stops rotating.
In order to solve the above problems, a new motor needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reducing gear box inferior valve and motor to reduce the torsion that the pivot receives, protect the pivot.
In order to solve the technical problem, the utility model provides a locking ring embedded and fixed in the lower shell body; wherein
And a braking part is arranged in the locking ring, and the braking part is in damping fit with a rotating shaft extending out of the motor.
Further, the brake portion includes at least one brake pad extending inwardly from the locking ring;
the inner side of the brake block forms a brake friction surface to abut against the outer wall of the rotating shaft.
Furthermore, a thickened boss is arranged at the contact position of the brake pad and the rotating shaft so as to increase the area of the brake friction surface.
Further, the thickness of the brake pad is less than the thickness of the locking ring;
and the edge side of the brake block is integrally provided with a reinforcing part fixed with the inner side wall of the locking ring.
Furthermore, each braking piece is evenly distributed on the inner side wall of the locking ring in the circumferential direction.
Further, the outer side wall of the locking ring is provided with at least one clamping key;
the middle part of the inner side of the lower shell body is provided with a shaft hole suitable for the end part of the rotating shaft to extend out;
the mounting position of the locking ring is located at the shaft hole, and the inner wall of the shaft hole is provided with a bayonet matched with the clamping key.
Furthermore, a separation blade suitable for limiting the locking ring is arranged at the extending end of the shaft hole, which is positioned on the rotating shaft.
On the other hand, the utility model also provides a motor, including pivot and as above the reducing gear box inferior valve, wherein the pivot that the braking portion stretched out with the motor is the damping cooperation.
The utility model has the advantages that the motor of the utility model comprises a locking ring which is embedded and fixed at the output end of the motor; the locking ring is internally provided with a braking part, the rotating shaft is in damping fit with the braking part, the braking piece is in friction braking with the outer wall of the rotating shaft at the moment when the motor stops rotating so as to realize timely braking of the motor, the distance between the driven position and the braking position is smaller, the motor is self-locked when the motor does not work, the distance between the driving position and the braking position is smaller at the moment, the torsion force borne by the rotating shaft is reduced, and the rotating shaft is prevented from being twisted or even twisted off.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a perspective view of a preferred embodiment of the lower shell of the reduction gearbox of the present invention;
figure 2 is a perspective view of a preferred embodiment of the mounting of a locking ring of the present invention;
FIG. 3 is a perspective view of a preferred embodiment of the lower shell body of the present invention;
fig. 4 is a perspective view of a preferred embodiment of the motor of the present invention.
In the figure: 100-motor, 110-rotating shaft, 200-locking ring, 210-braking part, 211-braking block, 212-braking friction surface, 213-thickening lug boss, 214-reinforcing part, 220-clamping key, 300-lower shell body, 310-shaft hole, 311-bayonet and 320-blocking piece.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Example 1
FIG. 1 is a perspective view of a preferred embodiment of the lower shell of the reduction gearbox of the present invention;
figure 2 is a perspective view of a preferred embodiment of the mounting of the locking ring of the present invention.
As shown in fig. 1 and 2, the motor of the present invention includes a locking ring 200 embedded and fixed in a lower case body 300; the locking ring 200 is internally provided with a braking portion 210, the rotating shaft 110 extending out of the motor 100 is in damping fit with the braking portion 210, the braking portion 210 and the outer wall of the rotating shaft 110 perform friction braking at the moment when the motor 100 stops rotating, so as to realize timely braking of the motor 100, the distance between the driven position and the braking portion 210 is small, and a self-locking effect is exerted on the motor 100 when the motor 100 does not work, at this time, the distance between the driving position and the braking portion 210 is small, so that the torsion force borne by the rotating shaft 110 is reduced, and the rotating shaft 110 is prevented from being twisted or even twisted off.
In this embodiment, the material of the locking ring 200 may be, but is not limited to, PEEK material, which has good high temperature resistance, and the locking ring 200 made of PEEK material can also ensure sufficient locking performance under the condition that a large amount of heat is generated due to friction braking, thereby ensuring the braking effect, and meanwhile, the locking ring 200 may also be POM, PVC, PA material, etc.
In this embodiment, the brake portion 210 includes at least one brake pad 211 extending inwardly from the locking ring 200; the brake pads 211 are formed at inner sides thereof with brake friction surfaces 212 to abut against outer walls of the rotation shaft 110, and the number of the brake pads 211 is preferably three, and the rotation shaft 110 is clamped three-dimensionally to increase clamping force, thereby braking the rotation shaft 110 by friction between the locking ring 200 and the rotation shaft 110.
In this embodiment, the brake pad 211 is provided with a thickened boss 213 at a contact position with the rotating shaft 110, so as to increase the area of the brake friction surface 212 and further increase the friction force, thereby further improving the braking effect.
In this embodiment, the thickness of the brake pad 211 is less than the thickness of the locking ring 200; the brake pads 211 are integrally provided at the edges thereof with reinforcing parts 214 fixed to the inner side walls of the locking ring 200, and the brake pads 211 and the locking ring 200 are separately provided, so that the deformation of the locking ring 200 by the brake pads 211 is prevented, and the deformation of the brake pads 211 is reduced by the reinforcing parts 214, thereby improving the braking effect.
In this embodiment, the brake pads 211 are circumferentially distributed on the inner side wall of the locking ring 200, so as to equally divide the braking force of each brake pad 211 on the rotating shaft 110 of the motor 100, thereby improving the braking effect.
Fig. 3 is a perspective view of a preferred embodiment of the lower case body of the present invention.
As shown in fig. 3, in the present embodiment, the outer sidewall of the locking ring 200 is provided with at least one catch 220; a shaft hole 310 adapted to the end of the rotating shaft 110 to extend out is formed in the middle of the inner side of the lower case body 300; the mounting position of the locking ring 200 is located at the shaft hole 310, and the inner wall of the shaft hole 310 is provided with a bayonet 311 adapted to the snap keys 220, preferably, the number of the snap keys 220 may be three, and the snap keys 220 are uniformly distributed on the outer side wall of the locking ring 200, thereby ensuring the mounting stability of the lower shell body 300 to the locking ring 200.
In this embodiment, the shaft hole 310 is provided with a stopper 320 at the protruding end of the rotating shaft 110 for limiting the locking ring 200, thereby preventing the locking ring 200 from loosening axially.
Example 2
Fig. 4 is a perspective view of a preferred embodiment of the motor of the present invention.
As shown in fig. 4, on the basis of embodiment 1, embodiment 2 further provides a motor, which includes a rotating shaft 110 and the reduction gearbox lower shell as described in embodiment 1, and the reduction gearbox lower shell is inserted and fixed at an output end of the motor, and the braking portion 210 is in damping fit with the rotating shaft 110 extending out of the motor.
In this embodiment, the details of the specific structure of the lower shell of the reduction gearbox and the method for mounting the locking ring are shown in embodiment 1, and are not described herein again.
In summary, in the motor 100 of the embodiment, the locking ring 200 is embedded and fixed in the shaft hole 310 of the lower shell body 300 through the locking key 220 and the bayonet 311, at the moment when the motor stops rotating, the braking friction surface 212 of the brake pad 211 rubs against the outer wall of the rotating shaft 110 to brake the motor in time, the distance between the driven position and the braking position is small, and the motor is self-locked when the motor does not operate, at this time, the distance between the driving position and the braking position is small, so that the torsion force applied to the rotating shaft 110 is reduced, and the rotating shaft 110 is prevented from being twisted or even being twisted off.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a reducing gear box inferior valve, includes the inferior valve body, its characterized in that still includes:
a locking ring embedded and fixed in the lower shell body; wherein
And a braking part is arranged in the locking ring, and the braking part is in damping fit with a rotating shaft extending out of the motor.
2. The reduction gearbox lower casing according to claim 1,
the brake section includes at least one brake pad extending inwardly from the locking ring;
the inner side of the brake block forms a brake friction surface to abut against the outer wall of the rotating shaft.
3. The reduction gearbox lower casing according to claim 2,
and a thickened boss is arranged at the contact position of the brake pad and the rotating shaft so as to increase the area of the brake friction surface.
4. The reduction gearbox lower casing according to claim 2,
the thickness of the brake block is smaller than that of the locking ring;
and the edge side of the brake block is integrally provided with a reinforcing part fixed with the inner side wall of the locking ring.
5. The reduction gearbox lower casing according to claim 2,
each braking piece is evenly distributed on the inner side wall of the locking ring in the circumferential direction.
6. The reduction gearbox lower casing according to claim 1,
the outer side wall of the locking ring is provided with at least one clamping key;
the middle part of the inner side of the lower shell body is provided with a shaft hole suitable for the end part of the rotating shaft to extend out;
the mounting position of the locking ring is located at the shaft hole, and the inner wall of the shaft hole is provided with a bayonet matched with the clamping key.
7. The reduction gearbox lower casing according to claim 6,
and a separation blade suitable for a limiting locking ring is arranged at the extending end of the shaft hole, which is positioned on the rotating shaft.
8. A motor comprising a rotating shaft, characterized by further comprising a reduction gearbox lower casing according to any one of claims 1 to 7; wherein
The braking part is in damping fit with a rotating shaft extending out of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105269.0U CN209823587U (en) | 2019-07-15 | 2019-07-15 | Reduction box lower casing and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105269.0U CN209823587U (en) | 2019-07-15 | 2019-07-15 | Reduction box lower casing and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209823587U true CN209823587U (en) | 2019-12-20 |
Family
ID=68885254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921105269.0U Active CN209823587U (en) | 2019-07-15 | 2019-07-15 | Reduction box lower casing and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209823587U (en) |
-
2019
- 2019-07-15 CN CN201921105269.0U patent/CN209823587U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jiangsu Mulin Intelligent Electrical Appliance Co., Ltd., No.10, binshang Road, Henglin Town, Wujin District, Changzhou City, Jiangsu Province, 213000 Patentee after: Jiangsu Mulin Zhizao Technology Co.,Ltd. Address before: Jiangsu Mulin Intelligent Electrical Appliance Co., Ltd., No.10, binshang Road, Henglin Town, Wujin District, Changzhou City, Jiangsu Province, 213000 Patentee before: JIANGSU MULIN INTELLIGENT ELECTRIC CO.,LTD. |