CN214577839U

CN214577839U - A multi-blade energy-saving centrifugal fan

Info

Publication number: CN214577839U
Application number: CN202120651068.1U
Authority: CN
Inventors: 李燕华; 李金华; 林志立
Original assignee: Foshan Lvfan Co ltd
Current assignee: Foshan Lvfan Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-02
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a multi-wing type energy-saving centrifugal fan, which comprises a mounting seat, a mounting plate is mounted on the top of the inner side wall of the mounting seat by bolts, and a motor is mounted on the outer wall of the top of the mounting plate by bolts, and the outer wall on one side of the motor is mounted with a motor. The outer casing is installed with bolts, the output end of the motor is installed with a shaft located inside the casing through bolts, and the outer side wall of the shaft is installed with fan blades distributed in an equidistant annular structure through bolts. The front shell is provided with fixing grooves on the outer walls on both sides of the front shell. The utility model rotates the fixing bolts, so that the fixing block can be clamped in the interior of the fixing slot, which can facilitate the installation and disassembly of the front shell, and further facilitate the disassembly, cleaning or replacement of the fan blade, and the positions of the fixing slot and the fixing block can be opposite, so that the The connection between the front shell and the outer shell is faster to improve the installation efficiency, and the elastic force of the shock-absorbing spring can reduce the vibration force generated by the motor when it is working.

Description

Multi-wing energy-saving centrifugal ventilator

Technical Field

The utility model relates to a ventilation blower technical field especially relates to an energy-conserving centrifugal fan of multi-wing type.

Background

The multi-wing energy-saving centrifugal ventilator is based on the thought that: the wind wheel used for assembling the fan is provided with a plurality of impellers, and is characterized in that: the wind wheel is multi-wing type, high-speed dynamic and stable correction, large air quantity and low noise; the casing of the multi-wing energy-saving centrifugal fan is formed by punching a precision die, is subjected to electrophoresis treatment and has exquisite appearance; the authentication high-efficiency motor is arranged, the direct connection type installation is realized, and the performance is stable; the multi-wing energy-saving centrifugal ventilator is a driven fluid machine which can increase the gas pressure and discharge the gas by means of the input mechanical energy.

Energy-conserving centrifugal fan of many wing formulas of current is not convenient for dismantle preceding shell, leads to not being convenient for dismantle the flabellum, does not have the absorbing function simultaneously, and the shaking force that the motor during operation produced, long-time vibrations easily make the inside part of fan damage, consequently, need to design an energy-conserving centrifugal fan of many wing formulas to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior art has the defects that the front shell is not convenient to disassemble and the function of shock absorption is not provided, and providing the multi-wing energy-saving centrifugal ventilator.

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

the utility model provides an energy-conserving centrifugal fan of multi-wing type, includes the mount pad, the mounting panel is installed through the bolt in the top of mount pad inside wall, and installs the motor through the bolt on the outer wall at mounting panel top, install the shell through the bolt on the outer wall of motor one side, install the axostylus axostyle that is located the shell inside through the bolt on the output of motor, and install the flabellum that the equidistance is the annular structure and distributes through the bolt on the lateral wall of axostylus axostyle, the inside joint of shell has the protecgulum, the fixed slot has all been seted up on the outer wall of protecgulum both sides, and the shell is close to and has all seted up on the inside wall of fixed slot and accomodate the groove, equal threaded connection has fixing bolt on the outer wall of shell both sides, and fixing bolt is located the one end of accomodating inslot portion and is connected with the fixed block through the bearing frame rotation, the fixed block joint is in the inside of fixed slot.

Furthermore, guide grooves are formed in two sides of the outer wall of one side of the shell, and guide rods inserted into the guide grooves are welded to two sides of the outer wall of one side of the front shell.

Furthermore, the inner wall of the bottom of the mounting seat is welded with limiting cylinders distributed in an equidistant structure, the outer wall of the bottom of the mounting plate is welded with limiting rods distributed in an equidistant structure, and the limiting rods are inserted into the limiting cylinders.

Further, spring seats distributed in an equidistant structure are welded on the inner wall of the bottom of the mounting seat and the outer wall of the bottom of the mounting plate, and two damping springs are welded between the inner walls of the adjacent sides of the spring seats.

Furthermore, the outer wall of the front shell, which is far away from the other side of the shell, is welded with an exhaust hood, and the inner side wall of the exhaust hood is clamped with a dust screen.

Furthermore, the outer side wall of the dustproof net is provided with grooves distributed in an equidistant structure, and the inner side wall of the exhaust hood is provided with clamping grooves distributed in an annular structure in an equidistant manner.

Further, the inside sliding connection of recess has the fixture block of joint inside the draw-in groove, and the welding has the joint spring that is connected with the fixture block on the inner wall of recess one side.

The utility model has the advantages that:

1. through preceding shell, fixing bolt, the groove of accomodating, fixed block and the fixed slot that sets up, rotate fixing bolt and can make the fixed block joint in the inside of fixed slot, can be convenient for to preceding shell installation and dismantlement, and then can be convenient for the flabellum dismantles clearance or change.

2. Through the guide slot and the guide arm that set up, the guide arm is pegged graft in the inside of guide slot, can make the fixed slot relative with the position of fixed block, can make being connected between preceding shell and the shell raise the efficiency of installation more fast.

3. Through the mounting panel, a spacing section of thick bamboo, gag lever post, spring holder and damping spring who sets up, damping spring's elasticity extension can weaken the vibrations power that the motor during operation produced, and then can play absorbing effect, has solved the phenomenon that current long-time vibrations of motor easily made the inside part of fan damage.

4. Through the suction hood, dust screen, recess, draw-in groove, fixture block and the joint spring that set up, the flexible power of joint spring can make the fixture block joint in the inside of draw-in groove, can fix the dust screen on the suction hood, is convenient for clear up the dust screen from dismantling simultaneously, has improved the practicality.

Drawings

Fig. 1 is a schematic perspective view of a multi-blade energy-saving centrifugal fan of the present invention;

fig. 2 is a schematic structural view of a front shell and a filter screen of the multi-wing energy-saving centrifugal fan provided by the present invention;

fig. 3 is a schematic diagram of a filter screen clamping structure of the multi-wing energy-saving centrifugal ventilator provided by the present invention;

fig. 4 is a schematic view of a front casing fixing structure of the multi-wing energy-saving centrifugal ventilator provided by the present invention;

fig. 5 is a schematic view of a damping structure of a multi-wing energy-saving centrifugal fan provided by the present invention.

In the figure: the fan comprises a mounting seat 1, a motor 2, a housing 3, a shaft rod 4, fan blades 5, a front housing 6, a guide groove 7, a guide rod 8, a fixing bolt 9, a containing groove 10, a fixing block 11, a fixing groove 12, a mounting plate 13, a limiting rod barrel 14, a limiting rod 15, a spring seat 16, a damping spring 17, an exhaust hood 18, a dust screen 19, a groove 20, a clamping groove 21, a clamping block 22 and a clamping spring 23.

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.

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 a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components 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 invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. 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 to 5, a multi-wing energy-saving centrifugal fan includes a mounting base 1, a mounting plate 13 is mounted on the top of the inner side wall of the mounting base 1 through bolts, a motor 2 is mounted on the outer wall of the top of the mounting plate 13 through bolts, a housing 3 is mounted on the outer wall of one side of the motor 2 through bolts, a shaft lever 4 located inside the housing 3 is mounted on the output end of the motor 2 through bolts, fan blades 5 distributed in an annular structure at equal intervals are mounted on the outer side wall of the shaft lever 4 through bolts, a front housing 6 is clamped inside the housing 3, fixing grooves 12 are formed on the outer walls of both sides of the front housing 6, accommodating grooves 10 are formed on the inner side wall of the housing 3 close to the fixing grooves 12, fixing bolts 9 are connected on the outer walls of both sides of the housing 3 through threads, and a fixing block 11 is rotatably connected to one end of the fixing bolt 9 located inside the accommodating groove 10 through a bearing seat, the fixed block 11 is clamped inside the fixed groove 12, the motor 2 is YE2-280M-2, the front shell 6 can be conveniently detached from the shell 3, and the fan blades 5 can be conveniently detached, replaced or cleaned.

Further, guide slot 7 has all been seted up to the outer wall both sides of shell 3 one side, and just the outer wall both sides of preceding shell 6 one side all weld the guide arm 8 of pegging graft in guide slot 7 inside, can make preceding shell 6 and shell 3 between quick connection.

Furthermore, the inner wall of the bottom of the mounting seat 1 is welded with a limiting cylinder 14 which is distributed in an equidistant structure, the outer wall of the bottom of the mounting plate 13 is welded with a limiting rod 15 which is distributed in an equidistant structure, and the limiting rod 15 is inserted into the limiting cylinder 14 to prevent the damping spring 17 from inclining.

Further, spring seats 16 which are distributed in an equidistant structure are welded on the inner wall of the bottom of the mounting seat 1 and the outer wall of the bottom of the mounting plate 13, damping springs 17 are welded between the inner walls of two adjacent sides of the two spring seats 16, and the damping springs 17 can weaken the vibration force generated by the motor 2 during working, so that a damping effect is achieved.

Further, the outer wall of the front shell 6, which is far away from the other side of the shell 3, is welded with the air draft cover 18, the inner side wall of the air draft cover 18 is connected with the dust screen 19 in a clamped mode, and the dust screen 19 can prevent dust from entering the shell 3.

Furthermore, the outer side wall of the dust screen 19 is provided with grooves 20 distributed in an equidistant structure, and the inner side wall of the exhaust hood 18 is provided with clamping grooves 21 distributed in an equidistant annular structure, so that the dust screen 19 can be fixed on the exhaust hood 18.

Further, the inside sliding connection of recess 20 has the fixture block 22 of joint inside draw-in groove 21, and the welding has the joint spring 23 that is connected with fixture block 22 on the inner wall of recess 20 one side, is convenient for dismantle the clearance to dust screen 18.

The working principle is as follows: when the multi-wing energy-saving centrifugal fan is used, when fan blades 5 need to be disassembled and cleaned, the fixing bolts 9 are rotated to drive the fixing blocks 11 to be far away from the inside of the fixing grooves 12, then the front shell 6 is pulled out of the inside of the shell 3, the function of facilitating the disassembly and installation of the front shell 6 is realized, when the motor 2 drives the fan blades 5 to rotate, vibration force can occur, the elastic stretching force of the damping springs 17 can absorb the vibration force generated when the motor 2 works, so that the damping effect can be achieved, the loosening phenomenon of parts can be prevented, when the dustproof net 19 needs to be cleaned, the dustproof net 19 is pulled towards the outer direction of the outer part of the air draft cover 18, the clamping springs 23 are compressed, the clamping blocks 22 are far away from the inside of the clamping grooves 21, after the cleaning is finished, the dustproof net 19 only needs to be inserted into the air draft cover 18, the dustproof net 19 is rotated until the clamping blocks 22 are clamped in the clamping grooves 21 under the stretching force of the clamping springs 23, the dust screen 19 can be fixed on the draught hood 18, and the use is very convenient.

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. A multi-wing energy-saving centrifugal fan, comprising a mounting seat (1), characterized in that a mounting plate (13) is mounted on the top of the inner side wall of the mounting seat (1) by bolts, and the mounting plate (13) A motor (2) is mounted on the outer wall of the top by bolts, a casing (3) is mounted on the outer wall on one side of the motor (2) by bolts, and an output end of the motor (2) is mounted on the output end of the motor (2) by bolts located in the casing (3). 3) The inner shaft (4), and on the outer side wall of the shaft (4), fan blades (5) distributed in an equidistant annular structure are installed on the outer side wall of the shaft (4), and the interior of the casing (3) is clamped with a front casing (6), fixing grooves (12) are provided on the outer walls of both sides of the front shell (6), and receiving grooves (10) are provided on the inner side walls of the outer casing (3) close to the fixing groove (12), so Fixing bolts (9) are threadedly connected to the outer walls on both sides of the housing (3), and a fixing block (11) is rotatably connected to the end of the fixing bolt (9) inside the receiving groove (10) through the bearing seat. The block (11) is clamped inside the fixing groove (12).

2. A multi-wing energy-saving centrifugal fan according to claim 1, characterized in that, both sides of the outer wall of one side of the casing (3) are provided with guide grooves (7), and the front casing (6) A guide rod (8) inserted into the guide groove (7) is welded on both sides of the outer wall of one side.

3. A kind of multi-wing energy-saving centrifugal fan according to claim 1, characterized in that, limit cylinders (14) distributed in an equidistant structure are welded on the inner wall of the bottom of the mounting seat (1), and Limiting rods (15) distributed in an equidistant structure are welded on the outer wall of the bottom of the mounting plate (13), and the limiting rods (15) are inserted into the interior of the limiting cylinder (14).

4. A kind of multi-blade energy-saving centrifugal fan according to claim 1, characterized in that, the inner wall at the bottom of the mounting seat (1) and the outer wall at the bottom of the mounting plate (13) are welded with equal distances. In the structurally distributed spring seats (16), a shock-absorbing spring (17) is welded between the inner walls of two adjacent longitudinally adjacent spring seats (16).

5. A kind of multi-blade energy-saving centrifugal fan according to claim 1, characterized in that, a draft hood (18) is welded on the outer wall of the other side of the front casing (6) away from the casing (3), and A dust-proof net (19) is clamped on the inner side wall of the ventilation hood (18).

6. The multi-blade energy-saving centrifugal fan according to claim 5, wherein grooves (20) distributed in an equidistant structure are provided on the outer sidewall of the dust-proof net (19), and The inner side wall of the air extraction hood (18) is provided with clamping grooves (21) distributed in an annular structure at equal distances.

7 . The multi-blade energy-saving centrifugal fan according to claim 6 , wherein the groove ( 20 ) is slidably connected with a block ( 22 ) that is clamped inside the groove ( 21 ). 8 . , and a clamping spring (23) connected with the clamping block (22) is welded on the inner wall of one side of the groove (20).