CN215486676U

CN215486676U - Explosion-proof fan

Info

Publication number: CN215486676U
Application number: CN202121289253.7U
Authority: CN
Inventors: 梁欢; 李衍吉
Original assignee: Shenzhen Green Rain Industrial Co ltd
Current assignee: Shenzhen Green Rain Industrial Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-01-11
Anticipated expiration: 2031-06-09

Abstract

The utility model relates to the technical field of explosion-proof fans, in particular to an explosion-proof fan which comprises a base, wherein the top of the base is provided with a motor, an arc-shaped supporting plate and an alarm lamp, the arc-shaped supporting plate is provided with a temperature sensor and a volute, the volute is provided with a transparent panel, four corners of the bottom of the base are provided with universal wheels which are convenient to move, and the inside of the device can be observed in an operating state through the arranged transparent panel.

Description

Explosion-proof fan

Technical Field

The utility model relates to the technical field of explosion-proof fans, in particular to an explosion-proof fan.

Background

The explosion-proof fan is used in a flammable and explosive gas place, and is an electric motor for avoiding safety accidents caused by flammable and explosive substances.

The equipment of explosion-proof fan is more strict in the outside of under the normal condition can't see the operational aspect of inside main part, and explosion-proof fan reaches the temperature of operation through the improvement to the spare part material simultaneously and can't reach flammable burning point, but if the equipment goes wrong the increase of frictional force between the inside spare part leads to equipment operation surface temperature rise also to be the condition of easily causing the conflagration.

There is therefore a need for an explosion-proof fan that ameliorates the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof fan to solve the problems in the background technology.

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

the utility model provides an explosion-proof fan, includes the base, the top of base is equipped with motor, arc backup pad and warning light, is equipped with temperature sensor and spiral case in the arc backup pad, is equipped with transparent panel on the spiral case, is equipped with the universal wheel that conveniently removes in four corners in the bottom of base.

As a preferable scheme of the utility model, a motor is arranged at the position, close to the center of the width edge, of one side of the top of the base, a control panel is arranged between the length edge of the top of the base and the motor, an alarm lamp is arranged between the length edge of the top of the base, far away from the control panel, and the motor, and an arc-shaped supporting plate is arranged on the width edge of the top of the base, far away from the motor.

As a preferable scheme of the utility model, the arc-shaped support plate comprises a groove and a temperature sensor, the groove is formed in the center of an arc-shaped surface at the top of the arc-shaped support plate, the temperature sensor is arranged at the bottom of the inner side of the groove, the top of the temperature sensor is flush with the edge of the top of the groove, and a volute is arranged at the top of the arc-shaped support plate.

As a preferable scheme of the present invention, a fixing iron ring is disposed on a cross section of one side of the volute casing close to the arc-shaped support plate, a transparent panel is disposed on a side surface of the volute and located on an inner side of the fixing iron ring, an induced air port is disposed at a center of an outer side surface of the transparent panel, an air outlet is disposed at a top of the volute, the volute is made of a galvanized plate material, an impeller is disposed at a center of an interior of the volute, and the impeller is made of a hard aluminum material.

As a preferable scheme of the utility model, a through hole is formed in the center of one side of the volute, which is far away from the transparent panel, a plurality of first threaded holes are formed in the periphery of the through hole on the side surface of the volute, a second threaded hole is formed in the cross section of one side of the volute, which is far away from the transparent panel, in a mirror image manner along the horizontal direction, an arc-shaped slot is formed in the bottom of the volute, and the volute is clamped with the periphery of the top of the arc-shaped support plate through the arc-shaped slot.

As a preferable scheme of the utility model, the cross section of one side of the top of the base, which is far away from the arc-shaped support plate and close to the volute, is provided with fixing plates in a mirror image manner along the width direction of the base, each fixing plate is provided with a threaded hole, and the volute is in threaded connection with the fixing plate on the base through a second threaded hole.

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

1. according to the utility model, the equipment has a visual, controllable and early warning function through the arranged temperature sensor, the transparent panel and the warning lamp, so that the fire risk under the unexpected condition is effectively avoided, the equipment detection is convenient, and the safety of the equipment is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the volute configuration of the present invention;

fig. 3 is a schematic view of the base structure of the present invention.

In the figure: 1. a base; 2. a universal wheel; 3. an electric motor; 4. a control panel; 5. an arc-shaped support plate; 501. a groove; 502. a temperature sensor; 6. a volute; 601. an arc slot; 7. an air outlet; 8. fixing an iron ring; 9. a transparent panel; 10. an air inducing port; 11. an impeller; 12. a through hole; 13. a first threaded hole; 14. a second threaded hole; 15. an alarm light; 16. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides an explosion-proof fan, includes base 1, and base 1's top is equipped with motor 3, arc backup pad 5 and warning light 15, is equipped with temperature sensor 502 and spiral case 6 on arc backup pad 5, is equipped with transparent panel 9 on spiral case 6, is equipped with the universal wheel 2 that conveniently removes in four corners in base 1's bottom.

In the embodiment, referring to fig. 1, 2 and 3, a motor 3 is disposed at a position close to a center of a width edge on one side of a top of a base 1, a control panel 4 is disposed between a length edge of the top of the base 1 and the motor 3, an alarm lamp 15 is disposed between the length edge of the top of the base 1 far from the control panel 4 and the motor 3, an arc support plate 5 is disposed at the width edge of the top of the base 1 far from the motor 3, the arc support plate 5 includes a groove 501 and a temperature sensor 502, a groove 501 is disposed at a center of an arc-shaped surface of the top of the arc support plate 5, a temperature sensor 502 is disposed at a bottom of an inner side of the groove 501, a top of the temperature sensor 502 is flush with the top edge of the groove 501, a volute 6 is disposed at the top of the arc support plate 5, a fixing plate 16 is disposed on a cross-section of the top of the base 1 far from the arc support plate 5 and close to the volute 6 in a mirror image along a width direction of the base 1, threaded holes are formed in each fixing plate 16, the volute 6 is in threaded connection with the fixing plate 16 on the base 1 through the second threaded holes 14, and the equipment has a risk early warning function through the arranged temperature sensor 502, so that fire risks under unexpected conditions are effectively avoided.

In the embodiment, referring to fig. 1, 2 and 3, a fixing iron ring 8 is disposed on a cross section of a casing of a volute 6 close to an arc-shaped support plate 5, a transparent panel 9 is disposed on a side surface of the volute 6 on an inner side of the fixing iron ring 8, an induced air port 10 is disposed at a center of an outer side surface of the transparent panel 9, an exhaust port 7 is disposed at a top of the volute 6, the volute 6 is made of a galvanized plate material, an impeller 11 is disposed at a center of an inner portion of the volute 6, the impeller 11 is made of a hard material, a through hole 12 is disposed at a center of a side of the volute 6 away from the transparent panel 9, a plurality of first threaded holes 13 are disposed at a periphery of the through hole 12 on a side surface of the volute 6, a second threaded hole 14 is disposed on a cross section of a side of the volute 6 away from the transparent panel 9 and is provided as a mirror image along a horizontal direction, an arc-shaped slot 601 is disposed at a bottom of the volute 6, and the volute 6 is clamped with a top periphery of the arc-shaped support plate 5 through the arc-shaped slot 601, the device is portable to observe and detect in the running state through the transparent panel 9.

The working principle is as follows: when in use, the equipment is moved to a use position through the universal wheel 2, then the motor 3 is started to drive the impeller 11 in the volute 6 to rotate by the motor 3, so that the equipment can normally run, because the volute 6 and the impeller 11 are made of materials, the equipment generates heat in operation, is low in heat dissipation and is quick in heat dissipation, so that the equipment has good explosion-proof performance, and when the inside of the equipment breaks down, if the impeller 11 continues to rotate, which may raise the surface temperature of the equipment, the temperature sensor 502 may monitor the external surface temperature of the equipment in real time, when the temperature is higher than a certain range, the alarm lamp 15 is turned on to remind maintenance personnel to process in time, therefore, the fire risk under the unexpected condition is effectively avoided, meanwhile, the running condition of the impeller 11 in the volute 6 can be directly observed through the transparent panel 9, the equipment detection is convenient, the safety of the equipment is improved, and the device has certain popularization value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof fan, includes base (1), its characterized in that: the top of base (1) is equipped with motor (3), arc backup pad (5) and warning light (15), is equipped with temperature sensor (502) and spiral case (6) on arc backup pad (5), is equipped with transparent panel (9) on spiral case (6), is equipped with universal wheel (2) that conveniently remove in four corners in the bottom of base (1).

2. The explosion-proof fan of claim 1, wherein: the motor (3) is arranged at the center, close to the width edge, of one side of the top of the base (1), the control panel (4) is arranged between the length edge of the top of the base (1) and the motor (3), the alarm lamp (15) is arranged between the length edge of the top of the base (1), far away from the control panel (4) and the motor (3), and the arc-shaped supporting plate (5) is arranged on the width edge of one side of the top of the base (1), far away from the motor (3).

3. The explosion-proof fan of claim 1, wherein: arc backup pad (5) are including recess (501) and temperature sensor (502), and center department at the top arcwall face of arc backup pad (5) sets up recess (501), is equipped with temperature sensor (502) in the inboard bottom of recess (501), just the top of temperature sensor (502) flushes with the top border of recess (501), is equipped with spiral case (6) at the top of arc backup pad (5).

4. The explosion-proof fan of claim 1, wherein: the utility model discloses a volute casing, including volute casing (6), arc backup pad (5), the side cross-section that the spiral case (6) shell is close to is equipped with fixed hoop (8), and the inboard that is located fixed hoop (8) in the side of volute casing (6) is equipped with transparent panel (9), has seted up induced air mouth (10) in the lateral surface center department of transparent panel (9), has seted up air exit (7) at the top of volute casing (6), volute casing (6) adopt the galvanized sheet material, are equipped with impeller (11) in the inside center department of volute casing (6), what impeller (11) adopted is the material of hard lu.

5. The explosion-proof fan of claim 1, wherein: the volute is characterized in that a through hole (12) is formed in the center of one side, away from the transparent panel (9), of the volute (6), a plurality of first threaded holes (13) are formed in the periphery, located at the through hole (12), of the side face of the volute (6), second threaded holes (14) are formed in the cross section, away from the transparent panel (9), of one side of the volute (6) in a mirror image mode along the horizontal direction, an arc-shaped slot (601) is formed in the bottom of the volute (6), and the volute (6) is clamped with the periphery of the top of the arc-shaped supporting plate (5) through the arc-shaped slot (601).

6. The explosion-proof fan of claim 1, wherein: arc backup pad (5) are kept away from at the top of base (1) and are provided with fixed plate (16) along the width direction of base (1) on the one side cross-section that is pressed close to with spiral case (6) the mirror image, all are equipped with the screw hole on every fixed plate (16), spiral case (6) carry out threaded connection through second screw hole (14) and fixed plate (16) on base (1).