CN219576762U

CN219576762U - Pneumatic motor for explosion-proof fan

Info

Publication number: CN219576762U
Application number: CN202320230557.9U
Authority: CN
Inventors: 翁浩迪
Original assignee: Zhejiang Dongsheng Explosion Proof Fan Co ltd
Current assignee: Zhejiang Dongsheng Explosion Proof Fan Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-08-22
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses an air motor for an explosion-proof fan, which comprises an outer shell, a top cover and a protective cover, wherein the top cover and the protective cover are assembled at one end of the outer shell, the protective cover comprises a cover main body and an extension part which is arranged at the bottom of the cover main body and horizontally extends outwards, at least two convex walls with arc structures are arranged on the extension part, and the top cover comprises a notch for sleeving the protective cover and a limiting groove arranged on the inner surface of the top cover. According to the utility model, the protective cover is sleeved through the top cover, the assembling convenience and stability between the protective cover and the top cover are further improved under the cooperation of the convex wall of the triangular structure and the limiting groove, and the strength of two parts can be ensured by only carrying out bolt fixing through the top cover, so that the protective cover is very reliable.

Description

Pneumatic motor for explosion-proof fan

Technical Field

The utility model relates to the technical field of driving devices, in particular to a pneumatic motor for an explosion-proof fan.

Background

The pneumatic motor protection casing for the explosion-proof fan among the prior art is outside at the top cap through bolt fastening, and it is comparatively time-consuming to consolidate the assembly in order to guarantee its intensity can adopt a large amount of bolts generally, leads to assembly efficiency relatively poor difficult maintenance.

Disclosure of Invention

First, the technical problem to be solved

In order to solve the problems, the utility model provides the pneumatic motor for the explosion-proof fan, which has the advantages of simple structure, easy assembly and high structural stability.

(II) technical scheme

The utility model relates to an air motor for an explosion-proof fan, which comprises an outer shell, a top cover and a protective cover, wherein the top cover and the protective cover are assembled at one end of the outer shell, the protective cover comprises a cover main body and an extension part which is arranged at the bottom of the cover main body and horizontally extends outwards, at least two convex walls with arc structures are arranged on the extension part, and the top cover comprises a notch for sleeving the protective cover and a limiting groove arranged on the inner surface of the top cover.

In the utility model, the number of the convex walls is three, and the convex walls are arranged in a triangular structure so as to increase the stability of the protective cover.

In the utility model, a plurality of connecting grooves are arranged on the top cover, the top of the outer shell is provided with a thread groove matched with the connecting grooves, and the top cover is fixed at the end part of the outer shell through the bolt connecting the thread groove and the connecting grooves.

In the utility model, the cover body of the protective cover is convexly provided with a cavity, and the top of the cover body is provided with a net-shaped part.

In the utility model, the top of the convex wall is adhered with the magnetic sheet, and the bottom of the limit groove is embedded with the magnetic block.

(III) beneficial effects

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

(1) According to the utility model, the protective cover is sleeved through the top cover, the assembling convenience and stability between the protective cover and the top cover are further improved under the cooperation of the convex wall of the triangular structure and the limiting groove, and the strength of two parts can be ensured only through the bolt fixing of the top cover, so that the protective cover is quite reliable.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a pneumatic motor in embodiment 1;

fig. 2 is a schematic perspective view of the protective cover in embodiment 1;

fig. 3 is a schematic perspective view of the top cover in embodiment 1.

10. The magnetic shield comprises an outer shell, 20, a top cover, 30, a shield, 40, a connecting groove, 50, a limit groove, 60, a convex wall, 70, a magnetic block, 80, a magnetic sheet, 90, a shield main body, 100, an extension part, 110, a notch, 120 and a net part.

Detailed Description

Possible implementations within the scope of the present disclosure may have fewer components, have other components not shown in the drawings, different components, differently arranged components, differently connected components, etc., than the examples shown in the drawings. Furthermore, two or more of the elements in the figures may be implemented in a single element or a single element shown in the figures may be implemented as multiple separate elements.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising," "comprising," or "having" and the like means that elements or items preceding the word are meant to be encompassed by the element or item recited following the word and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected" and the like are not limited to the physical or mechanical connection or communication shown in the drawings, but may include connection or communication equivalent thereto, whether direct or indirect. "upper", "lower", "left", "right", "horizontal", "vertical", etc. are only used to indicate a relative positional relationship, which may be changed accordingly when the absolute position of the object to be described is changed.

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The pneumatic motor for the explosion-proof fan comprises an outer shell 10, a top cover 20 and a protective cover 30, wherein the top cover 20 and the protective cover 30 are assembled at one end of the outer shell 10, the protective cover 30 comprises a cover main body 90 and an extension part 100 which is arranged at the bottom of the cover main body 90 and extends outwards horizontally, three convex walls 60 with arc structures are arranged on the extension part 100, and the top cover 20 comprises a notch 110 for sleeving the protective cover 30 and a limiting groove 50 arranged on the inner surface of the top cover 20. The diameter of the slot 110 is equal to the diameter of the cap body 90.

Further, the number of the convex walls 60 is also three, and the convex walls 60 are arranged in a triangular structure to increase the stability of the protection cover 30. The top cover 20 is provided with a plurality of connecting grooves 40, the top of the outer shell 10 is provided with a thread groove matched with the connecting grooves 40, and the top cover 20 is fixed at the end of the outer shell 10 through the bolt connecting the thread groove and the connecting grooves 40 by the top cover 20.

Further, the cover main body 90 of the protection cover 30 is formed with a cavity in a convex shape, the top of the cover main body 90 is provided with a net portion 120, the top of the convex wall 60 is adhered with the magnetic sheet 80, and the bottom of the limit groove 50 is provided with the magnetic block 70 in an embedded manner. The bottom of the top cover 20 is provided with a groove for accommodating the extension 100, the diameter of the groove being equal to the diameter of the extension 100. The extension 100 is provided in a circular configuration and the recess is also in a circular configuration.

Further, the protecting cover 30 is sleeved by the top cover 20, the assembling convenience and stability between the protecting cover 30 and the top cover 20 are further improved under the cooperation of the convex wall 60 of the triangular structure and the limiting groove 50, and the strength of the two parts can be ensured only by the bolt fixing of the top cover 20, so that the protecting cover is quite reliable.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims

1. An air motor for an explosion-proof fan comprises an outer shell (10), a top cover (20) and a protective cover (30) which are assembled at one end of the outer shell (10),

the method is characterized in that:

the protective cover (30) comprises a cover main body (90) and an extension part (100) which is arranged at the bottom of the cover main body (90) and extends outwards horizontally, at least two convex walls (60) with arc structures are arranged on the extension part (100), and the top cover (20) comprises a notch (110) for sleeving the protective cover (30) and a limiting groove (50) arranged on the inner surface of the top cover (20).

2. The air motor for an explosion-proof blower according to claim 1, wherein: the number of the convex walls (60) is three, and the convex walls (60) are arranged in a triangular structure so as to increase the stability of the protective cover (30).

3. The air motor for an explosion-proof blower according to claim 1, wherein: the top cover (20) is provided with a plurality of connecting grooves (40), the top of the outer shell (10) is provided with thread grooves matched with the connecting grooves (40), and the top cover (20) is connected with the thread grooves and the connecting grooves (40) through bolts to fix the top cover (20) at the end part of the outer shell (10).

4. The air motor for an explosion-proof blower according to claim 1, wherein: a cavity is formed on the cover body (90) of the protective cover (30) in a convex mode, and a net-shaped part (120) is arranged at the top of the cover body (90).

5. The air motor for an explosion-proof blower according to claim 1, wherein: the top of the convex wall (60) is adhered with a magnetic sheet (80), and the bottom of the limit groove (50) is provided with a magnetic attraction block (70) in an embedded mode.