CN211701686U

CN211701686U - Explosion-proof motor housing

Info

Publication number: CN211701686U
Application number: CN202020713433.2U
Authority: CN
Inventors: 黄荣华; 周兴华; 杨红杰; 费利平
Original assignee: Nanjing Hengzhi Electrical Wuxi Co Ltd
Current assignee: Nanjing Hengzhi Electrical Wuxi Co Ltd
Priority date: 2020-05-04
Filing date: 2020-05-04
Publication date: 2020-10-16
Anticipated expiration: 2030-05-04

Abstract

The utility model discloses an explosion-proof machine shell, which comprises a housin, the lower lateral wall of casing is fixed with the base, the water catch bowl has been seted up in the base, it has the piston board to slide on the inner wall of water catch bowl, the last lateral wall of piston board is fixed with the arc through branch, the tip of casing is equipped with the flabellum, the outside of flabellum is coaxial to be fixed with the cam with the lateral wall contact on the arc, be fixed with expanding spring between the last lateral wall of piston board and the outer wall of casing, the lateral wall of base is fixed with to insert be equipped with the pipe that communicates in the water catch bowl, the end fixing of pipe has the shower nozzle that sets up towards the casing. The utility model discloses drive flabellum and cam and rotate when the motor is worked, realize the heat dissipation to the casing through the flow of air current and the contact of water and casing, avoided the casing high temperature, guarantee the safety of motor work.

Description

Explosion-proof motor housing

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to an explosion-proof motor shell.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. Its main function is to generate driving torque as power source of electric appliance or various machines.

The motor is used as common electrical equipment and has wide application, the explosion-proof motor is used in flammable and explosive places, and in the using process of the motor, the heat of the motor is not radiated in time, the temperature of the motor is increased, the motor is easy to damage, and the motor can explode when the temperature is too high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art and providing an explosion-proof motor shell.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an explosion-proof machine shell, includes the casing, the lower lateral wall of casing is fixed with the base, the water catch bowl has been seted up in the base, it has the piston board to slide on the inner wall of water catch bowl, the last lateral wall of piston board is fixed with the arc through branch, the tip of casing is equipped with the flabellum, the outside coaxial be fixed with the arc on the lateral wall contact cam, be fixed with expanding spring between the last lateral wall of piston board and the outer wall of casing, the lateral wall of base is fixed with insert the pipe that is equipped with and communicates in the water catch bowl, the end fixing of pipe has the shower nozzle that sets up towards the casing.

Preferably, two baffles which are symmetrically arranged are fixed on the outer wall of the base, and a communicating opening communicated with the inside of the water collecting tank is formed in the outer wall of the base.

Preferably, the upper side wall of the piston plate is provided with an arc-shaped surface.

Preferably, two annular plates are fixed on the inner wall of the shell, and a plurality of partition plates are fixed between the two annular plates and between the annular plates and the inner walls of the two ends of the shell.

Preferably, the communication opening is arranged at an outer high inner bottom, and the inner bottom wall of the communication opening and the outer wall of the baffle are positioned on the same straight line.

Compared with the prior art, this explosion proof machine shell's advantage lies in:

1. when the motor works, the fan blades and the cam are driven to rotate, the fan blades drive airflow to contact with the outer wall of the shell, and the shell is cooled;

2. when the cam rotates, the water is sprayed out by the downward movement of the piston plate and the upward movement of the piston plate flows back to the water collecting tank to realize the heat dissipation of the shell by the water flow;

3. the distance between the internal element and the inner wall of the shell is increased by the arrangement of the partition plate, and a certain space is formed to increase the heat dissipation area.

Drawings

Fig. 1 is a side view of an explosion-proof motor housing according to the present invention;

fig. 2 is a schematic view of a partial structure of an explosion-proof motor housing according to the present invention.

In the figure: the fan comprises a shell 1, a base 2, a baffle 3, a water collecting tank 4, a cam 5, an arc-shaped plate 6, a piston plate 7, an expansion spring 8, a guide pipe 9, a spray head 10, an annular plate 11, a partition plate 12 and fan blades 13.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an explosion-proof motor housing comprises a housing 1, wherein a base 2 is fixed on the lower side wall of the housing 1, a water collecting tank 4 is arranged in the base 2, a piston plate 7 slides on the inner wall of the water collecting tank 4, an arc-shaped surface is arranged on the upper side wall of the piston plate 7, and the arranged arc-shaped surface prevents water from gathering on the piston plate 7 and ensures that the water can flow down to the water collecting tank 4.

The upper side wall of piston plate 7 is fixed with arc 6 through branch, and the tip of casing 1 is equipped with flabellum 13, and the main shaft and the flabellum 13 of motor are connected, and the motor drives flabellum 13 and cam 5 and rotates at the during operation, and flabellum 13 blast air current and the contact of casing 1 outer wall cool off casing 1.

The outside coaxial fixation of flabellum 13 has cam 5 with the side wall contact on the arc 6, be fixed with expanding spring 8 between the last side wall of piston plate 7 and the outer wall of casing 1, the lateral wall of base 2 is fixed with inserts the pipe 9 that is equipped with and communicates in the water catch bowl 4, the end fixing of pipe 9 has the shower nozzle 10 towards casing 1 setting, flabellum 13 rotates and drives cam 5 and rotates, when cam 5 rotates to longer end and the contact of arc 6, cam 5 extrudes 6 down movements of arc, extrude the water in the water catch bowl 4 from the pipe 9 on the shower nozzle 10 spouts to casing 1 outer wall, dispel the heat to casing 1, water after the adsorption of heat falls down to base 2.

Be fixed with baffle 3 that two symmetries set up on base 2's the outer wall, set up the intercommunication mouth of intercommunication in the water catch bowl 4 on base 2's the outer wall, the intercommunication mouth is outer high inner bottom setting, the interior diapire of intercommunication mouth is located same straight line with baffle 3's outer wall, avoid rivers to go out through baffle 3's setting, it is spacing to carrying on water from casing 1 outer wall upflow down, make rivers to in the intercommunication mouth, when cam 5's longer end changes from arc 6, under expanding spring 8's reverse elasticity, arc 6 and piston plate 7 move up, intercommunication intraoral water is slipstream to water catch bowl 4 down again, and then the reciprocating flow through water dispels the heat to casing 1 outer wall.

Further, the outer wall of the base 2 is fixed with radiating fins communicated with the inside of the water collecting tank 4, and the water is radiated through the radiating fins.

Be fixed with two annular plates 11 on casing 1's the inner wall, all be fixed with a plurality of baffles 12 between two annular plates 11 and between annular plate 11 and the 1 both ends inner wall of casing, the annular plate 11 that sets up is used for the installation of internals, avoids colliding with baffle 12, and baffle 12 increases the distance between internals and the 1 inner wall of casing, forms certain space increase heat radiating area.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

the main shaft and the flabellum 13 of motor are connected, the motor is at the during operation, drive flabellum 13 and cam 5 and rotate, flabellum 13 drumming air current and the contact of casing 1 outer wall, cool off casing 1, cam 5 rotates when longer end and arc 6 contact, cam 5 extrusion arc 6 moves down, extrude the water in the water catch bowl 4 from shower nozzle 10 blowout to casing 1 outer wall in the pipe 9, dispel the heat to casing 1, water after the adsorption of heat falls down on base 2, from intercommunication mouth department gliding to the base 2 in, when cam 5's longer end is changeed from arc 6, under expanding spring 8's reverse elasticity, arc 6 and piston plate 7 move up, intercommunication intraoral water is in gliding to water catch bowl 4 again.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An explosion-proof motor shell comprises a shell body (1) and is characterized in that a base (2) is fixed on the lower side wall of the shell body (1), a water collecting tank (4) is arranged in the base (2), a piston plate (7) slides on the inner wall of the water collecting tank (4), an arc-shaped plate (6) is fixed on the upper side wall of the piston plate (7) through a support rod, a fan blade (13) is arranged at the end part of the shell (1), a cam (5) which is in contact with the upper side wall of the arc-shaped plate (6) is coaxially fixed at the outer side of the fan blade (13), an extension spring (8) is fixed between the upper side wall of the piston plate (7) and the outer wall of the shell (1), a conduit (9) which is communicated with the inside of the water collecting tank (4) is fixedly inserted on the outer side wall of the base (2), a spray head (10) arranged towards the shell (1) is fixed at the end of the conduit (9).

2. The explosion-proof motor housing as claimed in claim 1, wherein two symmetrically arranged baffles (3) are fixed on the outer wall of the base (2), and a communication opening communicated with the inside of the water collection tank (4) is formed on the outer wall of the base (2).

3. An explosion-proof motor housing according to claim 1, characterized in that the upper side wall of the piston plate (7) is provided with an arc-shaped face.

4. An explosion-proof motor housing according to claim 1, characterized in that two annular plates (11) are fixed on the inner wall of the housing (1), and a plurality of partition plates (12) are fixed between the two annular plates (11) and between the annular plates (11) and the inner walls of the two ends of the housing (1).

5. An explosion-proof motor housing according to claim 2, characterized in that the communication port is arranged as an outer high inner bottom, and the inner bottom wall of the communication port and the outer wall of the baffle plate (3) are located on the same straight line.