CN220544785U

CN220544785U - Shell shield

Info

Publication number: CN220544785U
Application number: CN202322259938.2U
Authority: CN
Inventors: 陈正方
Original assignee: Zhongda Motors Co Ltd
Current assignee: Zhongda Motors Co Ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-02-27
Anticipated expiration: 2033-08-21

Abstract

The utility model relates to a shell shield. The utility model comprises at least two arc bodies, wherein the radial two side ends of each arc body are respectively provided with a connecting convex edge extending outwards in a radial direction, and one axial end of each arc body is provided with an arc flange edge; the motor shell comprises a plurality of arc-shaped bodies, wherein two adjacent arc-shaped bodies are connected through respective connecting convex edges to form a barrel structure sleeved on the motor shell, the arc-shaped bodies are connected to the motor shell through respective arc-shaped flange edges, the inner surface of the barrel structure is tightly attached to radiating ribs on the surface of the motor shell, and a channel through which cooling air flows can be formed between the barrel structure and the radiating ribs on the surface of the motor shell. According to the utility model, the split shell shield can be better wrapped on the surface of the motor shell, and a channel through which cooling air flows can be formed between the split shell shield and the cooling ribs on the surface of the motor shell, so that the problem that the cooling effect of the shell ventilation cooling motor on the shaft head part is poor is effectively solved, and the motor efficiency is improved.

Description

Shell shield

Technical Field

The utility model relates to the technical field of motors, in particular to a shell shield.

Background

The existing shell ventilation cooling motor adopts a coaxial fan or an independent fan to blow wind from the tail part of a motor shell to a shaft head so as to cool the motor and take away the generated heat. However, since the wind is scattered when being blown out, particularly, the part near the shaft head is scattered more seriously, the cooling effect of the shaft head is greatly impaired, resulting in problems such as reduced working efficiency, increased cost, and shortened life of the motor.

Disclosure of Invention

Therefore, the shell shield is convenient to install and detach, the length of an air path in the shell can be prolonged, the dispersion of air quantity is reduced, the loss of the air path is reduced, the air pressure and the air quantity are improved, the temperature rise of a motor is effectively reduced, the efficiency of the motor is improved, and meanwhile, noise and vibration are reduced.

In order to solve the above technical problems, the present utility model provides a housing cover, comprising:

the two ends of each arc-shaped body in the radial direction are respectively provided with a connecting convex edge extending outwards in the radial direction, and one axial end of each arc-shaped body is provided with an arc-shaped flange edge;

the motor shell comprises a plurality of arc-shaped bodies, wherein two adjacent arc-shaped bodies are connected through respective connecting convex edges to form a barrel structure sleeved on the motor shell, the arc-shaped bodies are connected to the motor shell through respective arc-shaped flange edges, the inner surface of the barrel structure is tightly attached to radiating ribs on the surface of the motor shell, and a channel through which cooling air flows can be formed between the barrel structure and the radiating ribs on the surface of the motor shell.

In one embodiment of the present utility model, the arc-shaped flange edges of the arc-shaped bodies together form a circular flange structure.

In one embodiment of the utility model, the circular flange structure is uniformly distributed with first mounting holes of 3+/-0.5 mm in the circumferential direction.

In one embodiment of the utility model, the arc-shaped flange edge is a steel plate or a flat steel ring with the thickness of 2+/-0.5 mm.

In one embodiment of the present utility model, the arc-shaped flange is connected to one axial end of the arc-shaped body by welding.

In one embodiment of the utility model, the surface of the cylinder structure is provided with at least one axially extending relief notch.

In one embodiment of the present utility model, the relief notch extends from an end remote from the circular flange structure and has a curved rectangular shape.

In one embodiment of the present utility model, the arc body is a rolled steel plate having a thickness of not less than 1 mm.

In one embodiment of the utility model, two arc-shaped bodies are arranged, and the gap between two adjacent connecting convex edges in the two arc-shaped bodies is 2-3mm.

In one embodiment of the utility model, the connecting convex edges are axially provided with second mounting holes, and two adjacent connecting convex edges are connected through bolts.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

according to the shell shield, the shell shield can be well wrapped on the surface of the motor shell, a channel through which cooling air flows can be formed between the shell shield and the radiating ribs on the surface of the motor shell, the problem that the cooling effect of the shell ventilation cooling motor on the shaft head part is poor is effectively solved, the shield prolongs the length of an air path, and air is enabled to blow through the surface of the motor shell more uniformly, so that the negative influence caused by temperature unevenness is reduced, and the shell shield has the advantages of effectively prolonging the length of the air path, reducing air volume dispersion, reducing air path loss, improving air pressure and air volume, reducing temperature rise, improving motor efficiency, reducing noise and vibration and the like, and has important significance in improving the cooling effect and performance of the motor.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

Fig. 1 is a schematic view of the structure of an arc body of the present utility model.

Fig. 2 is a schematic view of the circular flange structure of the present utility model.

Fig. 3 is an enlarged partial schematic view of fig. 2.

Description of the specification reference numerals:

100. a cylinder structure; 110. an arc body; 120. connecting convex edges; 121. a second mounting hole; 130. arc flange edge; 140. a relief notch;

200. a circular flange structure; 210. a first mounting hole;

300. a bolt;

400. a gap.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

In the present utility model, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present utility model, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present utility model, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present utility model, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 3, a casing cover of the present utility model includes:

at least two arc bodies 110, wherein the radial two side ends of each arc body 110 are respectively provided with a connecting convex edge 120 extending outwards in a radial direction, and one axial end of each arc body 110 is provided with an arc flange edge 130;

wherein, two adjacent arc bodies 110 are connected through respective connection convex edges 120 to form a cylinder structure 100 sleeved on the motor casing, the arc bodies 110 are connected to the motor casing through respective arc flange edges 130, the inner surface of the cylinder structure 100 is tightly attached to the heat dissipation ribs on the surface of the motor casing, and a channel through which cooling air flows can be formed between the cylinder structure and the heat dissipation ribs on the surface of the motor casing.

Through above-mentioned setting, the casing guard shield can wrap up on motor casing surface better, improves the radiating effect, extension motor life-span, noise reduction and vibration.

Specifically, the arc-shaped flange edges 130 of the arc-shaped bodies 110 together form a circular flange structure 200. The circular flange structure 200 can better match with the motor casing, improve the installation stability and the tightness, and reduce the air path loss.

Specifically, the circular flange structure 200 is uniformly distributed with first mounting holes 210 of 3±0.5mm in the circumferential direction. The mounting holes uniformly distributed in the circumferential direction are beneficial to improving the stability and reliability of mounting and reducing the mounting error.

Specifically, the arc-shaped flange 130 is a steel plate or a flat steel ring with the thickness of 2±0.5 mm. The steel plate or the flat steel ring has higher strength and rigidity, and can ensure the stability and durability of the shield.

Specifically, the arc-shaped flange 130 is connected to one axial end of the arc-shaped body 110 by welding. The welding connection mode has higher connection strength and reliability, and is beneficial to improving the overall performance of the shield.

In some embodiments, at least one axially extending relief notch 140 is provided on the surface of the barrel structure 100, depending on the location and size of the housing outlet; the relief notch 140 extends from an end remote from the circular flange structure 200 and has a curved rectangular shape. The yielding notch 140 can adapt to different outlet seat positions and sizes, and improves the universality and adaptability of the shield.

Specifically, the arc body 110 is a rolled steel plate having a thickness of not less than 1 mm. The rolled steel plate has higher strength and rigidity, can ensure the stability and durability of the shield, reduces the weight of the shield, and is convenient to install and maintain.

In some embodiments, two arc bodies 110 are provided, a gap 400 between two adjacent connecting flanges 120 in two arc bodies 110 is 2-3mm, the connecting flanges 120 are axially provided with second mounting holes 121, and the two adjacent connecting flanges 120 are connected by a bolt 300. The bolt 300 is convenient to mount and dismount, and is beneficial to maintenance and replacement of the shield.

Through the casing guard shield of split formula, can wrap up better at motor casing surface to can form the passageway that the cooling wind flows through with between the motor casing surface heat dissipation muscle, effectively improve the not good problem of shell ventilation cooling motor's cooling effect at spindle nose part, this guard shield has prolonged wind path length, make the wind blow over motor casing's surface more evenly, thereby reduced the negative influence that the temperature is inhomogeneous brought, have effectively extension wind path length, reduce the amount of wind discrete, reduce wind path loss, improve wind pressure and amount of wind, reduce the temperature rise, improve motor efficiency, noise reduction and vibration advantage such as.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.

Claims

1. A housing shroud comprising:

the connecting flange comprises at least two arc-shaped bodies (110), wherein connecting flanges (120) extending outwards in the radial direction are respectively arranged at the two radial side ends of each arc-shaped body (110), and an arc-shaped flange edge (130) is arranged at one axial end of each arc-shaped body (110);

the two adjacent arc-shaped bodies (110) are connected through respective connecting convex edges (120) to form a barrel structure (100) sleeved on the motor shell, the two adjacent arc-shaped bodies (110) are connected to the motor shell through respective arc-shaped flange edges (130) of the arc-shaped bodies, the inner surface of the barrel structure (100) is tightly attached to the radiating ribs on the surface of the motor shell, and a channel through which cooling air flows can be formed between the barrel structure and the radiating ribs on the surface of the motor shell.

2. A housing shroud according to claim 1, wherein the arcuate flange edges (130) of each of the arcuate bodies (110) together form a circular flange structure (200).

3. A housing shroud according to claim 2, wherein the circular flange structure (200) is circumferentially evenly distributed with first mounting holes (210) of 3±0.5 mm.

4. A housing shroud according to claim 1, wherein the arcuate flange edge (130) is a steel plate or a flat steel ring having a thickness of 2±0.5 mm.

5. A housing shroud according to claim 1 or 4, wherein the arcuate flange edge (130) is connected to an axial end of the arcuate body (110) by welding.

6. A housing shroud according to claim 2, wherein the surface of the barrel structure (100) is provided with at least one axially extending relief notch (140).

7. The enclosure shroud of claim 6, wherein the relief notch (140) extends from an end remote from the circular flange structure (200) and has a curved rectangular shape.

8. A housing shroud according to claim 1, wherein the arcuate body (110) is a rolled steel sheet having a thickness of not less than 1 mm.

9. A housing shroud according to claim 1, wherein two of said arcuate bodies (110) are provided, and wherein a gap (400) between adjacent two of said arcuate bodies (110) is 2-3mm between adjacent connecting flanges (120).

10. A housing cover according to claim 1, wherein the connecting flanges (120) are provided with second mounting holes (121) axially, and two adjacent connecting flanges (120) are connected by bolts (300).