Improved motor end cover with totally-enclosed structure

By setting water inlet holes and limiting post assemblies inside the motor end cover, efficient heat dissipation and easy installation of the end cover are achieved, solving the problems of insufficient heat dissipation and laborious installation of existing motor end covers.

CN224054001UActive Publication Date: 2026-03-27SHANDONG NEW NANYANG MOTOR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing motor end cover has poor heat dissipation, heat accumulates at the bearing mounting area, and installation is laborious and unstable.

Method used

A water inlet and a limiting post assembly are provided inside the end cap body. Coolant is circulated to dissipate heat, and the limiting post assembly is used to initially fix the end cap to the motor housing, simplifying the installation process.

Benefits of technology

It improves the heat dissipation effect of the bearing mounting area and simplifies the installation process of the end cover, ensuring the stability and convenience of installation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224054001U_ABST
Patent Text Reader

Abstract

The utility model provides an improved motor end cover with a totally-enclosed structure, which comprises an end cover main body, four corners of the end cover main body are all provided with mounting holes, each mounting hole is internally provided with a rubber pad and a limiting column assembly, and the front side of the end cover main body is integrally provided with an annular bulge. A bearing installation protrusion is integrally arranged in the end cover body, and a water outlet pipe and a water inlet pipe are integrally arranged on the rear side of the end cover body side by side. Due to the arrangement of the water conveying through hole, the upper S-shaped through hole, the side S-shaped through hole, the lower S-shaped through hole and the extending hole, the heat dissipation effect of the bearing installation protruding part of the end cover body can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to motor end cover technical field, especially relate to an improved full-enclosed structure motor end cover. BACKGROUND

[0002] Motor end cover is installed behind a rear cover of motor shell, its main function is to constitute the body, protect stator and rotor, and support these components. The existing motor end cover, including end cover body, bearing groove, exhaust groove and step groove, the lower surface of end cover body is provided with bearing groove, the bearing groove is provided with step groove, the inner wall of one side of bearing groove is provided with exhaust groove; The exhaust groove is connected in the step groove; The step groove is provided with a through hole, the motor end cover in use, due to its end cover integrated closed setting, the heat dissipation effect of its itself is lower, and due to motor shaft drives bearing rotation, bearing is easy to produce heat, the heat dissipation effect of its end cover in the part of bearing installation is lower, and when the installation hole of this motor end cover is installed before bolt, the user needs to manually adhere the motor end cover to the side of motor first, then installs through bolt, when the end cover is not gripped stably before installation bolt, the motor end cover is easy to fall, so the installation of end cover is more laborious. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides an improved full-enclosed structure motor end cover, improve the heat dissipation effect of end cover in the part of bearing installation, and can preliminarily fix end cover and motor shell first when installing bolt of motor shell, and installation is more convenient.

[0004] The utility model is realized through the following technical schemes:

[0005] An improved full-enclosed structure motor end cover, including end cover body, the four corner parts of end cover body are provided with mounting hole, rubber pad and limit post assembly are arranged in each mounting hole, annular protrusion is integrally arranged on the front side of end cover body, bearing installation protrusion is integrally arranged in the inside of end cover body, water outlet pipe and water inlet pipe are integrally arranged side by side on the back side of end cover body, limit post assembly includes stopper, limit post is integrally arranged at one end of stopper, annular groove is formed in the other end of stopper, rubber head is fixedly installed on the outside of the one end of stopper, water delivery through hole is formed in the inside of end cover body, and the water delivery through hole includes upper S-shaped through hole, side S-shaped through hole and lower S-shaped through hole connected in sequence, extension hole is arranged in the inside of bearing installation protrusion.

[0006] Preferably, the upper S-shaped through hole is arranged on the inside of the upper side of end cover body.

[0007] Preferably, the side S-shaped through hole is arranged at the inner side of the end cover body.

[0008] Preferably, the lower S-shaped through hole is arranged at the inner lower side of the end cover body.

[0009] Preferably, the water inlet pipe is arranged in communication with the upper S-shaped through hole.

[0010] Preferably, the water outlet pipe is arranged in communication with the lower S-shaped through hole.

[0011] Preferably, the plurality of limiting columns are respectively inserted into the plurality of mounting holes.

[0012] Preferably, the plurality of rubber heads are respectively inserted into the plurality of mounting holes.

[0013] Compared with the prior art, the end cover body has the advantages that:

[0014] 1. In the utility model, the water conveying through hole, the upper S-shaped through hole, the side S-shaped through hole, the lower S-shaped through hole and the extension hole are arranged, so that the heat dissipation effect of the bearing mounting protruding part of the end cover body is improved.

[0015] 2. In the utility model, the stopper, the limiting column, the annular groove and the rubber head are arranged, so that the bolts of the end cover and the motor shell are first fixed, the end cover body and the motor shell are preliminarily fixed, and the installation is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model.

[0017] Figure 2 It is the sectional structure schematic diagram of the end cover body of the utility model.

[0018] Figure 3 It is the structural schematic diagram of the path of the water conveying through hole of the utility model.

[0019] Figure 4 It is the structural schematic diagram of the inside of the mounting hole of the utility model.

[0020] Figure 5 It is the structural schematic diagram of the limiting column assembly of the utility model.

[0021] In the drawing:

[0022] 1, end cover body; 11, mounting hole; 12, annular protrusion; 13, bearing mounting protrusion; 14, water outlet pipe; 15, water inlet pipe; 16, rubber pad; 2, limit post assembly; 21, stop block; 22, limit post; 23, annular groove; 24, rubber head; 3, water delivery through hole; 31, upper S-shaped through hole; 32, side S-shaped through hole; 33, lower S-shaped through hole; 34, extension hole. DETAILED DESCRIPTION

[0023] The utility model will be specifically described below in combination with the drawings, such as the drawings Figure 1 And the drawings Figure 2 As shown in the drawings, an improved full-enclosed structure motor end cover, including end cover body 1, the four corner parts of end cover body 1 are all provided with mounting hole 11, rubber pad 16 and limit post assembly 2 are all provided in each mounting hole 11, annular protrusion 12 is integrally arranged on the front side of end cover body 1, bearing mounting protrusion 13 is integrally arranged in the inside of end cover body 1, water outlet pipe 14 and water inlet pipe 15 are integrally arranged side by side on the back side of end cover body 1, and water delivery through hole 3 is formed in the inside of end cover body 1.

[0024] In the embodiment, as shown in the drawings, the water delivery through hole 3 includes upper S-shaped through hole 31, side S-shaped through hole 32 and lower S-shaped through hole 33 connected in series, and extension hole 34 is arranged in series on one side of side S-shaped through hole 32, and a plurality of extension holes 34 are arranged in the inside of bearing mounting protrusion 13. Figure 3

[0025] In the embodiment, specifically, the upper S-shaped through hole 31 is arranged on the inside upper side of end cover body 1.

[0026] In the embodiment, specifically, the side S-shaped through hole 32 is arranged on the inside side of end cover body 1.

[0027] In the embodiment, specifically, the lower S-shaped through hole 33 is arranged on the inside lower side of end cover body 1.

[0028] In the embodiment, specifically, the water inlet pipe 15 is communicated with the upper S-shaped through hole 31.

[0029] ​In the embodiment, the water outlet pipe 14 is in communication with the lower S-shaped through hole 33.

[0030] In the embodiment, the end cover body 1 is combined with the outer motor shell as shown in the accompanying drawings. Figure 4 and the accompanying drawings Figure 5 As shown in the accompanying drawings, the limiting column assembly 2 comprises a stopper 21, one end of the stopper 21 is integrally provided with a limiting column 22, the other end of the stopper 21 is provided with an annular groove 23, the outside of the end of the stopper 21 provided with the annular groove 23 is fixedly installed with a rubber head 24, the user buckles the end cover body 1 on one side of the outer motor shell for installing the end cover body, the limiting column assembly 2 is inserted into the through hole of the motor shell for installing the end cover body 1, the end cover body 1 and the motor shell are preliminarily fixed, when the bolt is installed, the stopper 21 and the limiting column 22 are pulled out of the installation hole 11 by pulling the rubber head 24, and then the bolt is installed, at this time, the remaining limiting column assemblies 2 can fix the end cover body 1 and the motor shell, so that the user can install the bolt by manually holding the end cover body 1, and the operation is more convenient.

[0031] In the embodiment, the limiting column 22 is inserted into the installation hole 11.

[0032] In the embodiment, the rubber head 24 is inserted into the installation hole 11.

[0033] Working principle

[0034] In the utility model, the annular protrusion 12 is embedded with the outer motor shell, the sealing property of the installation of the end cover body 1 is guaranteed, the installation hole 11 is arranged so that the end cover body 1 and the motor shell can be installed and fixed by the bolt arranged outside, and the bearing installation protrusion 13 is used for installing the bearing of the output shaft of the external motor.

[0035] The technical scheme disclosed in the utility model, or the technical scheme designed by the person skilled in the art under the inspiration of the technical scheme of the utility model, can achieve the above technical effects, and falls within the protection scope of the utility model.

Claims

1. An improved totally enclosed construction motor endshield characterized by, The improved totally-enclosed motor end cover comprises an end cover body (1), mounting holes (11) are arranged at four corner positions of the end cover body (1), rubber pads (16) and limiting post assemblies (2) are arranged in each mounting hole (11), an annular protrusion (12) is integrally arranged on the front side of the end cover body (1), a bearing mounting protrusion (13) is integrally arranged in the end cover body (1), a water outlet pipe (14) and a water inlet pipe (15) are integrally arranged side by side on the rear side of the end cover body (1), the limiting post assembly (2) comprises a stop block (21), a limiting post (22) is integrally arranged at one end of the stop block (21), an annular groove (23) is arranged at the other end of the stop block (21), a rubber head (24) is fixedly arranged outside the end of the stop block (21) where the annular groove (23) is arranged, a water conveying through hole (3) is arranged in the end cover body (1), the water conveying through hole (3) comprises upper S-shaped through holes (31), side S-shaped through holes (32) and lower S-shaped through holes (33) which are connected in series, extension holes (34) are arranged side by side at one side of the side S-shaped through holes (32), and the extension holes (34) are arranged in the bearing mounting protrusion (13).

2. The improved totally-enclosed-structure motor endshield of claim 1, wherein, The upper S-shaped through hole (31) is arranged on the upper side of the end cover body (1).

3. The improved totally-enclosed-structure motor endshield of claim 1 wherein, The side S-shaped through hole (32) is arranged on one side of the end cover body (1).

4. The improved totally-enclosed-structure motor endshield of claim 1, wherein, The lower S-shaped through hole (33) is arranged on the lower side of the end cover body (1).

5. The improved totally-enclosed-structure motor endshield of claim 1 wherein, The water inlet pipe (15) is in communication with the upper S-shaped through hole (31).

6. The improved totally-enclosed-structure motor endshield of claim 1, wherein, The water outlet pipe (14) is in communication with the lower S-shaped through hole (33).

7. The improved totally-enclosed-structure motor endshield of claim 1 wherein, The limiting posts (22) are inserted into the mounting holes (11).

8. The improved totally-enclosed-structure motor endshield of claim 1 wherein, The rubber heads (24) are inserted into the mounting holes (11).