CN214617153U

CN214617153U - Protection device for prevent fan drops

Info

Publication number: CN214617153U
Application number: CN202120692825.XU
Authority: CN
Inventors: 黄惠仙
Original assignee: Sichuan Huadian Complete Equipment Co ltd
Current assignee: Sichuan Huadian Complete Equipment Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-05
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a protective device for preventing a fan from falling off, which comprises a bearing base and a fixing device which is arranged on the upper end surface of the bearing base in the middle, wherein the fixing device comprises an installation disc, four arc plates are fixedly arranged on the outer edge surface of the installation disc in an annular shape, a fan shell is arranged on the upper end surface of the installation disc, the bottom of the outer edge surface of each arc plate is fixedly provided with a side plate, the upper end surfaces of the side plates are provided with sliding grooves in the middle, four sliding shafts are fixedly arranged in the sliding grooves, arc blocks are arranged on the outer edge surfaces of the four sliding shafts in a sliding fit manner, springs abutting against the arc blocks are movably sleeved on the outer edge surfaces of the four sliding shafts, arc extrusion plates are fixedly connected on the top ends of the four arc blocks, and the protective device for preventing the fan from falling off is reasonable in structure and can prevent a protective screen cover from falling off, improve the security performance, and be convenient for carry out the deashing, the practicality is strong.

Description

Protection device for prevent fan drops

Technical Field

The utility model belongs to the technical field of protective equipment, concretely relates to prevent protector that fan drops.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The fan is a Chinese habit short for gas compression and gas conveying machinery, and generally comprises a ventilator, a blower and a wind driven generator, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and induced air of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling.

At present, the fan usually installs the protection screen panel through the bolt for preventing the flabellum from droing, can be because the fan operation in-process can produce vibrations, and the bolt easily takes place not hard up and leads to the protection screen panel to drop, has the potential safety hazard, and under the long-time work of current fan, often covers on the protection screen panel and has the dust, needs dismantle the clearance, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent protector that fan drops to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a protection device for preventing a fan from falling off comprises a bearing base and a fixing device arranged in the middle of the upper end surface of the bearing base;

the fixing device comprises an installation disc, four arc-shaped plates are fixedly installed on the outer edge surface of the installation disc in an annular mode, a fan shell is placed on the upper end surface of the installation disc, side plates are fixedly installed at the bottoms of the outer edge surfaces of the four arc-shaped plates, sliding grooves are formed in the middle of the upper end surfaces of the four side plates, sliding shafts are fixedly installed in the four sliding grooves, the arc-shaped blocks are installed on the outer edge surfaces of the four sliding shafts in a sliding fit mode, springs abutting against the arc-shaped blocks are movably sleeved on the outer edge surfaces of the four sliding shafts, arc-shaped extrusion plates are fixedly connected to the top ends of the four arc-shaped blocks, and the inner edge surfaces of the four arc-shaped extrusion plates are abutted to the outer edge surface of the fan shell;

the fan is characterized in that a mounting plate is movably arranged in the fan shell, fan blades are arranged on the upper end face of the mounting plate, vertical plates are fixedly arranged on two sides of the upper end face of the mounting plate, and a brush plate is arranged between the top ends of the opposite sides of the two vertical plates.

Preferably, the lower terminal surface of bearing base fixed mounting placed in the middle has servo motor, servo motor is connected with the pivot through the motor shaft, the top of pivot is passed bearing base and mounting disc and is extended into the fan casing in, the pivot extends into the bottom surface center fixed connection of the one end in the fan casing and mounting panel.

Preferably, a protective mesh enclosure is fixedly mounted on the upper end face of the fan shell, and bristles abutted against the protective mesh enclosure are arranged on the surface of the brush plate.

Preferably, a through hole for fixedly mounting the bearing sleeve is formed in the mounting disc in the middle, the roller bearing is fixedly mounted in the bearing sleeve, and the rotating shaft penetrates through one section of the outer edge surface of the mounting disc and is movably connected with the roller bearing.

Preferably, four equal symmetrical structures of one side of curb plate up end towards the mounting disc have two floors, and one side of floor towards the mounting disc all with arc fixed connection.

Preferably, the lower terminal surface symmetry fixed mounting of bearing base has two L templates, two one side that L template was carried on the back mutually all rotates and is provided with two knobs.

Preferably, the knob passes the threaded rod of L template towards the fixedly connected with of L template, the threaded rod is kept away from the circular stripper plate of one end fixedly connected with of knob, set up the screw hole of cooperation threaded rod installation in the L template.

The utility model discloses a technological effect and advantage: the protection device for preventing the fan from falling off has the advantages that the protection device is beneficial to the arrangement of the fixing device, the four arc-shaped extrusion plates can be pushed, the four arc-shaped blocks move in the sliding groove, so that the spring is extruded by the arc-shaped blocks to deform, after the arc-shaped extrusion plates are loosened, the arc-shaped blocks can drive the arc-shaped extrusion plates to move towards the axis of the mounting plate under the elastic action of the spring, the inner edge surfaces of the four arc-shaped extrusion plates are abutted against the outer edge surface of the fan shell, the fan shell and the protection mesh enclosure are fixed, the fan shell and the protection mesh enclosure are prevented from falling off due to vibration, and safety accidents occur;

benefit from the setting of mounting panel, riser, brush board and brush hair, can start servo motor for the pivot rotates and drives mounting panel and flabellum rotation, can make the riser drive the synchronous rotation of brush board this moment, thereby makes the brush hair clear up the dust on the protective screen panel, need not to dismantle the clearance, and is very convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

fig. 3 is a schematic structural view of the fixing device of the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: the fan comprises a bearing base 1, a 101L-shaped plate, a knob 2, a 201 threaded rod, a 202 circular extrusion plate, a fixing device 3, a 4 fan shell, a 401 protective mesh enclosure, a 5 mounting disc, a 6 arc-shaped plate, a 7 side plate, a 701 sliding groove, an 8 sliding shaft, a 801 spring, a 9 arc-shaped extrusion plate, a 10 servo motor, a 1001 rotating shaft, a 11 bearing sleeve, a 12 mounting plate, a 1201 fan blade, a 13 vertical plate and a 1301 hairbrush plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to prevent the protective mesh enclosure from falling off, the protective device for preventing the fan from falling off as shown in fig. 1 and 3 comprises a bearing base 1 and a fixing device 3 arranged on the upper end surface of the bearing base 1 in the middle, wherein the fixing device 3 comprises a mounting disc 5, four arc-shaped plates 6 are fixedly arranged on the outer edge surface of the mounting disc 5 in an annular shape, a fan shell 4 is arranged on the upper end surface of the mounting disc 5, side plates 7 are fixedly arranged at the bottoms of the outer edge surfaces of the four arc-shaped plates 6, a sliding groove 701 is arranged in the middle of the upper end surface of each of the four side plates 7, sliding shafts 8 are fixedly arranged in the four sliding grooves 701, arc-shaped blocks are arranged on the outer edge surfaces of the four sliding shafts 8 in a sliding fit manner, springs 801 abutting against the arc-shaped blocks are movably sleeved on the outer edge surfaces of the four sliding shafts 8, and arc-shaped extrusion plates 9 are fixedly connected to the top ends of the four arc-shaped blocks, the inner edge surfaces of the four arc-shaped extrusion plates 9 are abutted to the outer edge surface of the fan shell 4, the four arc-shaped extrusion plates 9 can be pushed due to the arrangement of the fixing device 3, so that the four arc-shaped blocks move in the sliding groove 701, the spring 801 is extruded by the arc-shaped blocks to deform, after the arc-shaped extrusion plates 9 are loosened, the arc-shaped blocks can drive the arc-shaped extrusion plates 9 to move towards the axis of the mounting disc 5 under the action of the elastic force of the spring 801, the inner edge surfaces of the four arc-shaped extrusion plates 9 are abutted to the outer edge surface of the fan shell 4, the fan shell 4 and the protective mesh enclosure 401 are fixed, and the phenomenon that the fan shell 4 and the protective mesh enclosure 401 fall off due to vibration and safety accidents occur is avoided;

four the equal symmetrical structure of one side that the curb plate 7 upper end face faced mounting disc 5 has two floors, and the floor all with arc 6 fixed connection (during the concrete implementation, the floor can increase the joint strength of arc 6 and curb plate 7) towards one side of mounting disc 5.

In order to facilitate ash removal, as shown in fig. 2 and 4, a mounting plate 12 is movably arranged in the fan housing 4, a fan blade 1201 is arranged on the upper end surface of the mounting plate 12, vertical plates 13 are fixedly arranged on both sides of the upper end surface of the mounting plate 12, and a brush plate 1301 is arranged between the top ends of the opposite sides of the two vertical plates 13;

a servo motor 10 is fixedly installed in the middle of the lower end face of the bearing base 1, the servo motor 10 is connected with a rotating shaft 1001 through a motor shaft, the top end of the rotating shaft 1001 penetrates through the bearing base 1 and the mounting disc 5 and extends into the fan shell 4, and one end of the rotating shaft 1001 extending into the fan shell 4 is fixedly connected with the center of the bottom face of the mounting plate 12;

the up end fixed mounting of fan casing 4 has protection screen panel 401, the surface of brush board 1301 is provided with the brush hair of butt protection screen panel 401, benefits from the setting of mounting panel 12, riser 13, brush board 1301 and brush hair, can start servo motor 10 for pivot 1001 rotates and drives mounting panel 12 and flabellum 1201 and rotate, can make riser 13 drive brush board 1301 synchronous rotation this moment, thereby make the brush hair clear up the dust on protection screen panel 401, need not to dismantle the clearance, and is very convenient.

For realizing steady operation, as shown in fig. 2, set up the through-hole that supplies 11 fixed mounting of bearing housing in the mounting disc 5 between two parties, fixed mounting has roller bearing in 11 bearing housings, pivot 1001 passes one section outer fringe face and the roller bearing swing joint of mounting disc 5 (during the concrete implementation, pivot 1001 pivoted in-process carries on spacingly through roller bearing to it, reduces rocking of pivot 1001 rotation in-process, and then promotes the steady operation of pivot 1001).

In order to install the device, as shown in fig. 1 and 2, two L-shaped plates 101 are symmetrically and fixedly installed on the lower end surface of the bearing base 1, and two knobs 2 are rotatably arranged on the opposite sides of the two L-shaped plates 101;

the threaded rod 201 that L template 101 was passed to 2 fixedly connected with of knob towards L template 101, the circular stripper plate 202 of one end fixedly connected with of knob 2 is kept away from to threaded rod 201, set up the screw hole of cooperation threaded rod 201 installation in the L template 101 (during concrete implementation, can be with L template 101 towards the one side butt mounted position of bearing base 1 to through rotating knob 2, make threaded rod 201 rotate and drive circular stripper plate 202 extrusion and butt mounted position, and then realize the stable installation to this equipment).

Claims

1. A protection device for preventing a fan from falling off comprises a bearing base (1) and a fixing device (3) arranged in the middle on the upper end face of the bearing base (1);

the method is characterized in that: the fixing device (3) comprises an installation disc (5), four arc-shaped plates (6) are fixedly installed on the outer edge surface of the installation disc (5) in an annular shape, a fan shell (4) is arranged on the upper end face of the mounting disc (5), side plates (7) are fixedly arranged at the bottoms of the outer edge faces of the four arc-shaped plates (6), sliding grooves (701) are formed in the middles of the upper end faces of the four side plates (7), sliding shafts (8) are fixedly arranged in the four sliding grooves (701), the arc-shaped blocks are arranged on the outer edge faces of the four sliding shafts (8) in a sliding fit manner, springs (801) which are abutted to the arc-shaped blocks are movably sleeved on the outer edge surfaces of the four sliding shafts (8), arc-shaped extrusion plates (9) are fixedly connected to the top ends of the four arc-shaped blocks, and the inner edge surfaces of the four arc-shaped extrusion plates (9) are abutted to the outer edge surface of the fan shell (4);

the fan is characterized in that a mounting plate (12) is movably arranged in the fan shell (4), fan blades (1201) are arranged on the upper end face of the mounting plate (12), vertical plates (13) are fixedly arranged on two sides of the upper end face of the mounting plate (12), and a brush plate (1301) is arranged between the top ends of the opposite sides of the two vertical plates (13).

2. The protection device for prevent fan dropout of claim 1, its characterized in that: the utility model discloses a fan, including bearing base (1), servo motor (10) are connected with pivot (1001) through the motor shaft, the top of pivot (1001) is passed in bearing base (1) and mounting disc (5) and is extended into fan casing (4), the bottom surface center fixed connection of one end in the fan casing (4) and mounting panel (12) is extended into in pivot (1001).

3. The protection device for prevent fan dropout of claim 1, its characterized in that: the upper end face of the fan shell (4) is fixedly provided with a protective mesh enclosure (401), and bristles abutted against the protective mesh enclosure (401) are arranged on the surface of the brush plate (1301).

4. The protection device for prevent fan dropout of claim 2, characterized in that: offer the through-hole that supplies bearing housing (11) fixed mounting between two parties in mounting disc (5), fixed mounting has roller bearing in bearing housing (11), one section outer fringe face and the roller bearing swing joint that mounting disc (5) were passed in pivot (1001).

5. The protection device for prevent fan dropout of claim 1, its characterized in that: four equal symmetrical structure in one side of curb plate (7) up end towards mounting disc (5) has two floor, and one side of floor towards mounting disc (5) all with arc (6) fixed connection.

6. The protection device for prevent fan dropout of claim 1, its characterized in that: the bearing base is characterized in that two L-shaped plates (101) are symmetrically and fixedly mounted on the lower end face of the bearing base (1), and two knobs (2) are arranged on one side, opposite to each other, of each L-shaped plate (101) in a rotating mode.

7. The protection device for prevent fan dropout of claim 6, its characterized in that: the knob (2) passes threaded rod (201) of L template (101) towards the fixedly connected with of L template (101), the circular stripper plate (202) of one end fixedly connected with of knob (2) is kept away from to threaded rod (201), set up the screw hole of cooperation threaded rod (201) installation in L template (101).