CN217590430U

CN217590430U - Permanent magnet direct current motor shell structure

Info

Publication number: CN217590430U
Application number: CN202221057877.0U
Authority: CN
Inventors: 何永久
Original assignee: Wenling Yongchang Electromechanical Co ltd
Current assignee: Wenling Yongchang Electromechanical Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-10-14
Anticipated expiration: 2032-04-29

Abstract

The utility model provides a permanent magnet direct current motor shell structure. The utility model discloses a main casing body, locking bolt, install in the end cover of main casing tip, be equipped with the mounting hole on the end cover, locking bolt passes mounting hole and threaded connection on the main casing body, the end cover side extends and is formed with the extension limit to the main casing body outside, it is equipped with the fixed orifices to extend the edge. Through the technical scheme, compared with the existing motor structure, the end cover is provided with the extending edge extending outwards, and the extending edge is provided with the fixing hole; when the motor needs to be vertically installed, the end cover can be tightly attached to the corresponding installation surface, and the bolt penetrates through the fixing hole and is connected to the corresponding installation surface in a threaded manner; the installation convenience is high, has satisfied permanent magnet direct current motor's vertical installation requirement.

Description

Permanent magnet direct current motor shell structure

Technical Field

The utility model relates to a motor housing structure especially relates to a permanent magnet direct current motor housing structure.

Background

The current motor structure is chinese utility model patent with publication number CN203233281U, a dc permanent magnet motor, whose main structure includes a housing, a front cover, a rear cover, both of which are mounted on the housing through bolts. In addition, the housing is also provided with mounting feet which are mounted on a specified mounting surface.

Under the actual installation environment, the motor with the structure is only suitable for a horizontal installation mode, but cannot meet the vertical installation requirement of the motor.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a permanent magnet direct current motor shell structure, it has satisfied permanent magnet direct current motor's vertical installation requirement through the institutional advancement to the end cover.

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides a permanent magnet DC motor shell structure, includes the main casing body, locking bolt, installs in the end cover of main casing tip, be equipped with the mounting hole on the end cover, locking bolt passes mounting hole and threaded connection on the main casing body, the end cover side extends and is formed with the extension limit to the main casing body outside, it is equipped with the fixed orifices to extend the edge.

Through the technical scheme, compared with the existing motor structure, the end cover is provided with the extending edge extending outwards, and the extending edge is provided with the fixing hole; when the motor needs to be vertically installed, the end cover can be tightly attached to the corresponding installation surface, and the bolt penetrates through the fixing hole and is connected to the corresponding installation surface in a threaded manner; the installation convenience is high, has satisfied permanent magnet direct current motor's vertical installation requirement.

Preferably, the extending edge and the end cap form a square cover body, and the fixing holes are close to four corners of the cover body.

Through the technical scheme, the cover body is square, so that the overall structural strength is high; the fixed holes are positioned on four corners of the cover body, and the space utilization rate is high.

Preferably, the end face of the end cap facing away from the main housing is in a planar arrangement.

Through above-mentioned technical scheme, because the terminal surface that the end cover deviates from the main casing body can be laminated with corresponding installation face mutually, and set up the terminal surface that the end cover deviates from the main casing body into the plane, this terminal surface is higher corresponding the laminating degree between the installation face.

Preferably, the end face of the end cover, which deviates from the main shell, is provided with two circular bulges, the diameters of the two circular bulges are different, and the two circular bulges are concentrically arranged.

Through above-mentioned technical scheme, mountable O shape circle between the arch of twice, when the terminal surface that deviates from the main casing body of end cover can with correspond the installation face and paste mutually, this O shape circle can with correspond the installation face and seal the laminating each other, improve both complex leakproofness.

Preferably, the end cover is provided with a sunken cavity on the end face close to the main shell.

Through above-mentioned technical scheme, be provided with the end cover in sunken chamber, when reducing the whole weight of end cover, can reduce the whole materials of end cover moreover.

Preferably, the cavity wall of the recessed cavity is provided with reinforcing blocks, and the recessed cavity where the reinforcing blocks are located corresponds to the mounting holes one to one.

Through above-mentioned technical scheme, the boss can produce the structure additional strengthening to the lateral wall at mounting hole place, and installation stability is high.

Preferably, a supporting sheet is arranged on the outer side wall of the main shell, the cross section of the supporting sheet is L-shaped, the end part of the supporting sheet is abutted to the end cover, and the end part of the supporting sheet surrounds the outer side of the fixing hole.

Through above-mentioned technical scheme, the backing sheet can produce stronger supporting effect to the end cover, and the cross section is the effective area of contact increase between the tip of the backing sheet of L shape and the end cover, and the end cover installation is more stable.

Preferably, the outer side wall of the main shell is provided with radiating fins, the number of the supporting sheets on the outer side wall of the main shell is more than two, and the radiating fins are positioned between the two adjacent supporting sheets.

Through above-mentioned technical scheme, radiating fin can produce direct radiating effect to the main casing body.

Preferably, the outer side of the main shell is provided with a reinforcing block, and the reinforcing block is positioned between two adjacent supporting sheets.

Through the technical scheme, on one hand, the reinforcing block can improve the overall structural strength of the main shell; on the other hand, the reinforcing block can also play a certain supporting role on the end cover.

Preferably, the outer side wall of the main shell is provided with a mounting foot.

Through the technical scheme, the main shell can be installed on the appointed installation surface through the installation foot, and horizontal installation is realized.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

fig. 2 is a schematic structural diagram of an end cap in the embodiment.

Reference numerals: 1. a main housing; 2. an end cap; 3. mounting holes; 4. an extension edge; 5. a fixing hole; 6. a protrusion; 7. a recessed cavity; 8. a reinforcing block; 9. a support sheet; 10. a heat dissipating fin; 11. an enhancement block; 12. and (7) mounting the feet.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

A shell structure of a permanent magnet direct current motor comprises a main shell 1, a locking bolt and an end cover 2 arranged at the end part of the main shell 1, wherein the end cover 2 is provided with a mounting hole 3, and the locking bolt penetrates through the mounting hole 3 and is in threaded connection with the main shell 1. Wherein, the motor shaft of the permanent magnet direct current motor vertically passes through the end cover 2.

The outer side wall of the main shell 1 is provided with a mounting foot 12, and the motor shell can be horizontally mounted through the mounting foot 12.

The side edge of the end cap 2 extends to the outside of the main housing 1 and forms an extending edge 4, and the extending edge 4 and the end cap 2 form a square cover body. Four fixing holes 5 are arranged on the extending edge 4, and the fixing holes 5 are close to four corners of the cover body.

Other bolts can be used to pass through the fixing holes 5 and be screwed on the mounting surface, and then the end cover 2 is mounted on the appointed mounting surface, so that the vertical mounting is realized.

The end face of the end cap 2 facing away from the main housing 1 is arranged flat.

Two circular ring-shaped bulges 6 are arranged on the end face, deviating from the main shell 1, of the end cover 2, the diameters of the two circular ring-shaped bulges 6 are different, and the two circular ring-shaped bulges 6 are concentrically arranged. An O-shaped ring can be arranged between the two circular bulges 6 according to actual requirements.

Referring to fig. 2, a recessed cavity 7 is provided on the end face of the end cap 2 adjacent to the main housing 1.

The cavity wall of the sunken cavity 7 is provided with four reinforcing blocks 8, the number of the reinforcing blocks 8 is four, and the sunken cavity 7 where the reinforcing blocks 8 are located corresponds to the mounting holes 3 one by one.

Referring to fig. 1, a support piece 9 is provided on the outer side wall of the main housing 1, the cross section of the support piece 9 is L-shaped, the end of the support piece 9 abuts against the end cap 2, and the end of the support piece 9 surrounds the outside of the fixing hole 5.

In addition, the outer side wall of the main casing 1 is provided with heat dissipation fins 10, the number of the support sheets 9 on the outer side wall of the main casing 1 is more than two, and the heat dissipation fins 10 are located between two adjacent support sheets 9.

The outer side of the main shell 1 is provided with a reinforcing block 11, and the reinforcing block 11 is positioned between two adjacent supporting pieces 9.

Of course, the above is only the typical example of the present invention, in addition, the present invention can also have other multiple specific embodiments, and all the technical solutions formed by adopting equivalent replacement or equivalent transformation all fall within the scope of the present invention.

Claims

1. The utility model provides a permanent magnetism DC motor shell structure, includes main casing body (1), locking bolt, installs in end cover (2) of main casing body (1) tip, be equipped with mounting hole (3) on end cover (2), locking bolt passes mounting hole (3) and threaded connection on main casing body (1), characterized by: the side edge of the end cover (2) extends towards the outer side of the main shell (1) and is provided with an extending edge (4), and a fixing hole (5) is formed in the extending edge (4).

2. The structure of the housing of a permanent magnet dc motor according to claim 1, wherein: the extending edge (4) and the end cover (2) form a square cover body, and the fixing holes (5) are close to four corners of the cover body.

3. The structure of the housing of a permanent magnet dc motor according to claim 1, wherein: the end face, deviating from the main shell (1), of the end cover (2) is arranged in a plane.

4. The housing structure of a permanent magnet dc motor according to claim 3, wherein: the terminal surface that end cover (2) deviates from main casing body (1) is equipped with annular arch (6) of twice circle, and the diameter of annular arch (6) of twice circle is not of uniform size, and annular of twice is it sets up with one heart to be between arch (6).

5. The structure of the housing of a permanent magnet dc motor according to claim 3, wherein: the end cover (2) is provided with a sunken cavity (7) close to the end face of the main shell (1).

6. The structure of the housing of a permanent magnet dc motor according to claim 5, wherein: and reinforcing blocks (8) are arranged on the cavity wall of the sunken cavity (7), and the sunken cavity (7) where the reinforcing blocks (8) are located corresponds to the mounting holes (3) one by one.

7. The housing structure of a permanent magnet dc motor according to claim 2, wherein: be equipped with backing sheet (9) on the lateral wall of main casing body (1), the cross section of backing sheet (9) is L shape, the tip of backing sheet (9) with end cover (2) are inconsistent, backing sheet (9) tip surrounds in the fixed orifices (5) outside.

8. The structure of the housing of a permanent magnet dc motor according to claim 7, wherein: be equipped with radiating fin (10) on main casing body (1) lateral wall, the backing sheet (9) quantity on main casing body (1) lateral wall is more than two, and radiating fin (10) are located between two adjacent backing sheets (9).

9. The housing structure of a permanent magnet dc motor according to claim 8, wherein: be equipped with reinforcing block (11) on main casing body (1) outside, reinforcing block (11) are located between two adjacent backing sheets (9).

10. The structure of the casing of a permanent magnet dc motor according to any one of claims 1 to 9, wherein: the outer side wall of the main shell (1) is provided with a mounting foot (12).