CN211151662U - End cover supporting piece of direct current motor - Google Patents

Abstract

The utility model discloses a DC motor end cover support piece, which comprises a motor end cover and a bearing mounting hole arranged on the motor end cover, wherein the motor end cover is a cover body structure formed by combining a circular ring and a curved surface, the central position of the curved surface part is provided with the bearing mounting hole, the back surface of the bearing mounting hole is provided with a bearing mounting ring, the bearing mounting ring is of a circular ring structure, the middle position is provided with a bearing, the edge position of the motor end cover is provided with a screw mounting seat, and the screw mounting seat is provided with a screw groove; through setting up the screw mount pad on the motor end cover to set up the screw groove of two-stage echelonment on the screw mount pad, its intensity that not only can strengthen near screw groove structure, the notch of two-stage echelonment can let the staff tighten the back at the screw in addition, can plug up outer notch through the rubber buffer, thereby avoid the screw to expose in the air and receive the corruption, thereby appear damaging in the motor later stage, cause inconvenience for the dismantlement of motor end cover when the maintenance.

Description

End cover supporting piece of direct current motor

Technical Field

The utility model particularly relates to a direct current motor end cover props piece.

Background

The motor end cover is a rear cover behind the motor shell and is used for fixing and supporting a motor rotating shaft, commonly called as an end cover, the quality of the motor is directly influenced by the quality of the motor, and the quality of the motor is mainly determined by three aspects, namely enough strength and rigidity, functionality and manufacturability, because the structure is simple and no supporting piece structure is arranged near the screw hole, the strength of the cover body part near the screw hole is not enough, and the screw hole is not provided with some protective structures, so that the screw structure is exposed in the air all the year round, the screw structure is easy to rust, and the motor is maintained later, the inconvenience of installation is dismantled to its end cover for this reason the utility model aims to provide a direct current motor end cover props piece to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a direct current motor end cover struts piece to reach the purpose that improves motor end cover intensity.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a direct current motor end cover supports piece, includes the motor end cover and sets up the bearing mounting hole on the motor end cover, the motor end cover is the lid structure that a ring and a curved surface combination constitute, and the bearing mounting hole has been seted up to the central point of its curved surface part, the back of bearing mounting hole is provided with a bearing collar, the bearing collar is a ring structure, and wherein intermediate position fixed mounting has the bearing, the border position of motor end cover is provided with the screw mount pad, the screw groove has been seted up on the screw mount pad.

Preferably, the screw mount pad is provided with four altogether, and its evenly distributed is in the edge of motor end cover, the screw groove is the mounting hole of a two-stage echelonment, the motor end cover is through mounting hole fixed mounting on motor housing body on it, and the outside portion of its notch is equipped with the rubber buffer structure.

Preferably, the inner side surface of the curved surface part of the motor end cover is provided with a support ring, the support ring is of a quarter ring structure, two ends of the support ring are respectively attached to the seat bodies of two adjacent screw installation seats, the screw installation seats and the bearing installation rings are connected through one-level support plates, the number of the one-level support plates is four, the support ring and the bearing installation rings are connected through two-level support plates, the support ring and the bearing installation rings are eight, the support ring and the bearing installation rings are identical in structure, and the support ring and the one-level support plates are uniformly distributed between adjacent plate.

Preferably, the motor end cover, the bearing mounting ring, the screw mounting seat, the support ring, the primary support plate and the secondary support plate are all of an integral structure formed by casting integrally.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the screw mounting seat is arranged on the motor end cover, and the two-stage stepped screw groove is formed in the screw mounting seat, so that the strength of a structure near the screw groove can be enhanced, and the two-stage stepped notch can be used for plugging an outer notch through the rubber plug after a worker tightens the screw, so that the screw is prevented from being exposed in the air and corroded, the motor is damaged in the later period, and inconvenience is caused for the disassembly of the motor end cover during maintenance;

2. through setting up the bearing collar, and install the bearing wherein, and through setting up the support ring, and set up the one-level backup pad between screw mount pad and bearing collar, and set up the second grade backup pad between support ring and bearing collar, through its bulk strength of reinforcing motor end cover, thereby reach and improve the holistic anti external force intensity of motor.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top side view of the present invention;

fig. 3 is a front view of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is an enlarged view of the structure at B in fig. 4.

In the figure: motor end cover 1, bearing mounting hole 2, bearing mounting ring 3, bearing 4, screw mount pad 5, screw groove 6, support ring 7, one-level backup pad 8, second grade backup pad 9.

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. 1-5, the present invention provides a technical solution: the utility model provides a direct current motor end cover supports piece, including motor end cover 1 with set up bearing mounting hole 2 on motor end cover 1, motor end cover 1 is the lid structure that a ring and a curved surface combination constitute, bearing mounting hole 2 has been seted up to the central point of its curved surface part, the back of bearing mounting hole 2 is provided with a bearing collar 3, bearing collar 3 is a ring structure, wherein intermediate position fixed mounting has bearing 4, the border position of motor end cover 1 is provided with screw mount pad 5, screw groove 6 has been seted up on screw mount pad 5.

Furthermore, four screw mounting seats 5 are arranged at the edge of the motor end cover 1 and are uniformly distributed, the screw groove 6 is a two-stage step-shaped mounting hole, the motor end cover 1 is fixedly mounted on the motor shell through the mounting hole on the motor end cover, the outer side part of the notch of the motor end cover is provided with a rubber plug structure, the screw mounting seat 5 is arranged on the motor end cover 1, and the two-stage step-shaped screw groove 6 is formed in the screw mounting seat 5, so that the strength of the structure near the screw groove 6 can be enhanced, and the two-stage step-shaped notch can be used for plugging the outer notch of a worker after the screw is tightened, so that the screw is prevented from being exposed in the air and corroded, the motor is damaged in the later period, and inconvenience is caused to the disassembly of the motor end cover 1 during maintenance;

furthermore, the inner side surface of the curved surface part of the motor end cover 1 is provided with a support ring 7, the support ring 7 is of a quarter ring structure, two ends of the support ring are respectively attached to the base bodies of two adjacent screw installation seats 5, the screw installation seats 5 are connected with the bearing installation rings 3 through first-stage support plates 8, the number of the first-stage support plates 8 is four, the support rings 7 are connected with the bearing installation rings 3 through second-stage support plates 9, the number of the support rings 7 is eight, the support rings are the same as the structure of the first-stage support plates 8, the adjacent plate bodies are uniformly distributed, the bearing installation rings 3 are arranged, the bearings 4 are arranged in the support rings, the support rings 7 are arranged, the first-stage support plates 8 are arranged between the screw installation seats 5 and the bearing installation rings 3, the second-stage support plates 9 are arranged between the support rings 7 and the bearing installation, thereby achieving the purpose of improving the integral external force resistance strength of the motor;

furthermore, the motor end cover 1, the bearing mounting ring 3, the screw mounting seat 5, the support ring 7, the primary support plate 8 and the secondary support plate 9 are all integrally cast into an integral structure, so that the integral strength of the structural member is higher, and the purpose of prolonging the service life of the structural member is achieved;

the working principle is as follows: during the in-service use, the screw mount pad 5 that sets up on the motor end cover can be used for reinforcing the intensity of near screw groove 6 structure, and the screw groove 6 that the two-stage echelonment was seted up, can let the staff tighten the back at the screw, block up outer notch through the rubber buffer, thereby avoid the screw to expose in the air and receive the corruption, thereby damage appears in the motor later stage, it is inconvenient to cause for the dismantlement of motor end cover when the maintenance, and through setting up bearing collar 3, and install bearing 4 wherein, and through setting up support ring 7, and set up one-level backup pad 8 between screw mount pad 5 and bearing collar 3, and set up second grade backup pad 9 between support ring 7 and bearing collar 3, through its bulk strength that strengthens motor end cover 1, thereby reach and improve the holistic anti external force intensity of motor.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a DC motor end cover struts piece, including motor end cover (1) and set up bearing mounting hole (2) on motor end cover (1), its characterized in that: motor end cover (1) is the lid structure that a ring and a curved surface combination constitute, and bearing mounting hole (2) have been seted up to the central point of its curved surface part, the back of bearing mounting hole (2) is provided with bearing collar (3), bearing collar (3) are a ring structure, and wherein intermediate position fixed mounting has bearing (4), the border position of motor end cover (1) is provided with screw mount pad (5), screw groove (6) have been seted up on screw mount pad (5).

2. The dc motor end cap brace of claim 1, wherein: screw mount pad (5) are provided with four altogether, and its evenly distributed is in the edge of motor end cover (1), screw groove (6) are the mounting hole of a two-stage echelonment, motor end cover (1) is through mounting hole fixed mounting above that on the motor shell body, and the outside portion of its notch is equipped with the rubber buffer structure.

3. The dc motor end cap brace of claim 1, wherein: be provided with support ring (7) on the medial surface of motor end cover (1) curved surface part, support ring (7) are quarter ring structure, and its both ends are laminated respectively on the pedestal of two adjacent screw mount pads (5), and are connected through one-level backup pad (8) between screw mount pad (5) and bearing collar (3), one-level backup pad (8) are provided with four altogether, be connected through second grade backup pad (9) between support ring (7) and bearing collar (3), it is provided with eight altogether, and it is the same with one-level backup pad (8) structure, and evenly distributed between its adjacent plate body.

4. A dc motor end cap support as claimed in claim 3, wherein: the motor end cover (1), the bearing mounting ring (3), the screw mounting seat (5), the support ring (7), the primary support plate (8) and the secondary support plate (9) are all of an integral structure formed by casting integrally.

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