CN210919589U

CN210919589U - Centrifugal fan with dustproof function

Info

Publication number: CN210919589U
Application number: CN201921644548.4U
Authority: CN
Inventors: 程开权; 程闯; 刘小莉
Original assignee: Hubei Shuangjian Blower Production Co ltd
Current assignee: Hubei Shuangjian Blower Production Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-03
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a centrifugal fan with dustproof function, which comprises a base, the top of base is connected with motor and fixed bolster, the upper end of fixed bolster is connected with the casing, the casing internal rotation is connected with the main shaft, the one end that the main shaft is located casing inner chamber is connected with the impeller, the motor is connected through the drive belt to the main shaft other end, the air outlet has been seted up to the right-hand member of casing, the air intake has been seted up to the preceding terminal surface of casing, the front end of air intake is connected with the protection casing, the inner chamber of protection casing is connected with back the shape baffle, the filter disc is installed to the front end of returning the shape baffle, be connected with dustproof filter screen on the. The utility model has the advantages of reasonable design, this device has good dustproof effect, has solved the inside problem of particle pollutant invasion centrifugal fan, is favorable to ensureing centrifugal fan's normal operation, has improved the life of device, and pollutant clearance and filter disc change are also very convenient, are fit for using widely.

Description

Centrifugal fan with dustproof function

Technical Field

The utility model relates to a centrifugal fan technical field especially relates to a centrifugal fan with dustproof function.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. With the advance of industrialization process in China, the industry is developing energy conservation and consumption reduction greatly, upgrading and integrating recombination are carried out, and industrial basic equipment needs to be updated in large quantity. The centrifugal fan is used as an important industrial matched device and is more applied to the fields of electric power, cement, petrochemical industry, coal, mines, environmental protection and the like. Under the new economic development situation, the centrifugal fan industry will continue to keep increasing rapidly in the future.

The existing centrifugal fan is easy to stick and cover in the centrifugal fan after granular pollutants mixed in air are introduced into the centrifugal fan through the air inlet in the using process, so that the inside of the centrifugal fan becomes dirty, the normal operation of a device is influenced, and the service life of the device is adversely affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a centrifugal fan with dustproof function has good dustproof function, is favorable to extension fixture's life. In order to realize the technical purpose, the technical effect is achieved, and the utility model discloses a realize through following technical scheme.

The utility model provides a centrifugal fan with dustproof function, includes the base, the top of base is connected with motor and fixed bolster, the upper end of fixed bolster is connected with the casing, the casing internal rotation is connected with the main shaft, the one end that the main shaft is located casing inner chamber is connected with the impeller, the main shaft other end passes through the drive belt and connects the motor, the air outlet has been seted up to the right-hand member of casing, the air intake has been seted up to the preceding terminal surface of casing, the front end of air intake is connected with the protection casing, the inner chamber of protection casing is connected with back the shape baffle, the filter disc is installed to the front end of returning the shape baffle, be connected with dustproof filter screen on the filter disc, the slot has been seted up.

Preferably, in the centrifugal fan with the dustproof function, a shock pad is connected to the bottom of the base.

Preferably, in the centrifugal fan with dustproof function, the fixed support and the casing are connected by welding

Preferably, in the centrifugal fan with the dustproof function, a sealing ring is arranged between the clip-shaped baffle and the filter disc.

Preferably, in the centrifugal fan with the dustproof function, the cross section of the inner cavity of the dust collection box is trapezoidal.

Preferably, in the centrifugal fan with dustproof function, the left and right sides wall symmetry spiro union of protection casing has spacing bolt, the one end that spacing bolt stretched into the protection casing is connected with the stopper, stopper laminating filter disc.

Preferably, in the centrifugal fan with dustproof function, the front end of protection casing is articulated with the closing plate, the gomphosis is installed the permanent magnet on the closing plate, the protection casing adopts adsorbable stainless steel material to make and forms.

The utility model has the advantages that:

the utility model has the advantages of reasonable design, the filter disc is packed into in the protection casing, carry on spacingly through returning the shape baffle to the filter disc rear end, press from both sides tight filter disc through the stopper, the particle pollutant in dustproof filter screen can effective separation air when the air intake is ventilated, particle pollutant gets into the dust-collecting box at the dead weight effect whereabouts, this device has good dustproof effect, the problem of particle pollutant invasion centrifugal fan inside has been solved, be favorable to ensureing centrifugal fan's normal operation, the life of device has been improved, pollutant clearance and filter disc change also very convenient, and is suitable for being generalized to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic view of the internal structure of the protective cover of the present invention;

FIG. 3 is a schematic structural view of a middle filter disc according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-motor, 3-fixed support, 4-machine shell, 5-driving belt, 6-air outlet, 7-air inlet, 8-protective cover, 9-clip baffle, 10-filter disc, 11-dustproof filter screen, 12-slot, 13-dust collecting box, 14-limit bolt, 15-limit block, 801-sealing plate, 802-permanent magnet.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-3, the present embodiment is a centrifugal fan with a dustproof function, including a base 1, a motor 2 and a fixing support 3 are connected to the top of the base 1, an enclosure 4 is connected to the upper end of the fixing support 3, a spindle is rotatably connected to the enclosure 4, one end of the spindle located in an inner cavity of the enclosure 4 is connected to an impeller, the other end of the spindle is connected to the motor 2 through a transmission belt 5, an air outlet 6 is formed at the right end of the enclosure 4, an air inlet 7 is formed in a front end surface of the enclosure 4, a protection cover 8 is connected to a front end of the air inlet 7, the inner cavity of the protection cover 8 is connected to a clip-shaped baffle 9, a filter disc 10 is installed at a front end of the clip-shaped baffle 9, a dustproof filter screen 11 is connected.

The bottom of base 1 is connected with the shock pad, reduces the device vibration, improves the stability when the device moves.

The fixed support 3 and the shell 4 are connected in a welding mode, and the structure is firm and reliable.

And a sealing ring is arranged between the square-shaped baffle 9 and the filter disc 10, so that the sealing property of the device is improved, and dust is prevented from invading.

The cross section of the inner cavity of the dust collecting box 13 is trapezoidal, so that the collection of particle pollutants is facilitated.

The left and right sides wall symmetry spiro union of protection casing 8 has limit bolt 14, and the one end that limit bolt 14 stretched into protection casing 8 is connected with stopper 15, and stopper 15 laminating filter disc 10 makes stopper 15 stretch into through rotatory limit bolt 14 to effective centre gripping filter disc 10.

The utility model discloses a concrete implementation way does:

this device is when using, pack into filter disc 10 in the protection casing 8, it is spacing to carry out through returning shape baffle 9 filter disc 10 rear end, rotate spacing bolt 14, make stopper 15 press from both sides tight filter disc 10 outer wall, motor 2 drives the main shaft rotation through drive belt 5, thereby make the impeller rotate, through air intake 7 air intakes, dustproof filter screen 11 can effectively separate the particulate contamination in the air, particulate contamination is along dustproof filter screen 11 whereabouts at the dead weight effect, can collect through dust collection box 13, can take out dust collection box 13 through slot 12 and clear up, this device has solved particulate contamination and has got into the inside problem that influences the device normal operating of centrifugal fan, the life of device is improved, pollutant clearance and filter disc change are also very convenient, and is suitable for being generalized to use.

Example two

In the first embodiment, a sealing plate 801 is hinged to the front end of the shield 8, a permanent magnet 802 is fitted to the sealing plate 801, and the shield 8 is made of an adsorbable stainless steel material.

In this embodiment, 8 front ends of protection casing hinge joint sealing plate 801, centrifugal fan during operation rotate the 8 upper surfaces of laminating protection casing with sealing plate 801, adsorb fixedly through permanent magnet 802 for protection casing 8 keeps the opening, and the air can smoothly let in, and when centrifugal fan was idle not, with sealing plate 801 rotation laminating protection casing 8 preceding terminal surface, it is fixed through permanent magnet 802 adsorption, can keep 8 closedly of protection casing, reduces dust impurity's invasion, further improves dustproof effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a centrifugal fan with dustproof function, includes base (1), its characterized in that: the top of the base (1) is connected with a motor (2) and a fixed bracket (3), the upper end of the fixed bracket (3) is connected with a machine shell (4), the machine shell (4) is rotationally connected with a main shaft, one end of the main shaft, which is positioned in the inner cavity of the shell (4), is connected with an impeller, the other end of the main shaft is connected with a motor (2) through a transmission belt (5), an air outlet (6) is arranged at the right end of the shell (4), an air inlet (7) is arranged at the front end surface of the shell (4), the front end of the air inlet (7) is connected with a protective cover (8), the inner cavity of the protective cover (8) is connected with a clip-shaped baffle (9), a filter disc (10) is arranged at the front end of the clip-shaped baffle (9), a dustproof filter screen (11) is connected on the filter disc (10), the front end of the bottom of the protective cover (8) is provided with a slot (12), and a dust collecting box (13) is inserted in the slot (12).

2. The centrifugal fan with the dustproof function according to claim 1, characterized in that: the bottom of the base (1) is connected with a shock pad.

3. The centrifugal fan with the dustproof function according to claim 1, characterized in that: the fixed support (3) and the shell (4) are connected in a welding mode.

4. The centrifugal fan with the dustproof function according to claim 1, characterized in that: and a sealing ring is arranged between the clip-shaped baffle (9) and the filter disc (10).

5. The centrifugal fan with the dustproof function according to claim 1, characterized in that: the cross section of the inner cavity of the dust collection box (13) is trapezoidal.

6. The centrifugal fan with the dustproof function according to claim 1, characterized in that: the left and right sides wall symmetry spiro union of protection casing (8) has spacing bolt (14), the one end that spacing bolt (14) stretched into protection casing (8) is connected with stopper (15), stopper (15) laminating filter disc (10).

7. The centrifugal fan with the dustproof function according to claim 1, characterized in that: the front end of the protective cover (8) is hinged with a sealing plate (801), a permanent magnet (802) is installed on the sealing plate (801) in an embedded mode, and the protective cover (8) is made of adsorbable stainless steel materials.