CN215805294U

CN215805294U - Horizontal spiral fan

Info

Publication number: CN215805294U
Application number: CN202121337307.2U
Authority: CN
Inventors: 孙连臣; 赵东山; 赵伟勇
Original assignee: Tangshan Yuantao Mechanical Equipment Co ltd
Current assignee: Tangshan Yuantao Mechanical Equipment Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-02-11
Anticipated expiration: 2031-06-16

Abstract

The utility model belongs to the technical field of spiral fans and discloses a horizontal spiral fan which comprises a shell, wherein two ends of the shell are respectively provided with a ventilating duct, and the bottom of the shell is fixed with a connecting column, the bottom of the connecting column is provided with a base, a supporting frame is fixed inside the shell, a motor is arranged on one side of the supporting frame, an output shaft of the motor is connected with a helical blade, fixed frames are arranged inside the ventilating duct, the dust blocking net is connected inside the fixed frame, and the cavity groove is arranged inside the base and below the connecting column, the transmission of vibration energy can be greatly weakened when the motor works to drive the shell to vibrate through the matching of the connecting column, the movable plate, the spring, the spongy cushion and other structures, therefore, the vibration amplitude of the device is effectively reduced, the device can be kept stable, the noise pollution is low, and the quality of the working environment is greatly improved.

Description

Horizontal spiral fan

Technical Field

The utility model belongs to the technical field of spiral fans, and particularly relates to a horizontal spiral fan.

Background

The fan is a driven fluid machine, which is a short for the habit of gas compression and gas conveying machinery in China, generally called a fan comprises a ventilator, a blower, a wind driven generator and the like, and under the condition of equivalent air quantity, the diameter of a spiral fan is small, and the torque of a fan blade is small, so that the fan is low in energy consumption, high in efficiency, novel in structure and easy to manufacture, can be used for ventilation and exhaust in places such as underground mines, factories and mines, laboratories and the like, and has an excellent use effect.

But the helical-lobe fan in the existing market still has more defect at in-process of in-service use, for example, its bottom of the helical-lobe fan of horizontal structure is difficult to stabilize, and vibrations are comparatively violent at the during operation, and the vibration range is big to lead to placing the unstability, and the noise that vibrations produced is great, influences operational environment's safety, in addition, the inconvenient dismantlement of dustproof filter screen at fan both ends is changed, and time slot aperture blocks up easily, thereby influences the effect of ventilating and exhausting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a horizontal spiral fan to solve the problems that the device provided by the background technology is poor in stability and a dustproof filter screen is inconvenient to replace.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a horizontal helical fan, includes the casing, the chimney is all installed at the both ends of casing, and the bottom of casing is fixed with the spliced pole, the base is installed to the bottom of spliced pole, the inside of casing is fixed with the support frame, the motor is installed to one side of support frame, the output shaft of motor has helical blade, fixed frame is all installed to the inside of chimney, the internal connection of fixed frame has the dust blocking net, the inside of base is close to the below of spliced pole and has seted up the chamber groove, the spring is installed to the outer wall of spliced pole, and the spliced pole extends to the inside one end in chamber groove and be fixed with the fly leaf, the foam-rubber cushion is installed to the bottom of fly leaf, the bottom of foam-rubber cushion is connected with the inner wall in chamber groove.

Preferably, two the inner wall of draft tube seted up with fixed frame assorted draw-in groove, and the one end both sides that the casing was kept away from to the draft tube all have a limiting plate through pivot swing joint, the inboard of limiting plate is fixed with the bullet piece, the locating piece is all installed at one side both ends that the limiting plate was kept away from to fixed frame, the inner wall of draw-in groove seted up with locating piece assorted locating hole.

Preferably, the bottom of the base is provided with a backing plate, and the bottom of the backing plate is provided with anti-skid convex lines.

Preferably, the inner wall of the positioning hole is provided with a rubber pad, and the outer wall of the rubber pad is provided with an anti-slip groove.

Preferably, the outer wall of the motor is provided with a protective cover, and the outer wall of the protective cover is provided with a heat dissipation groove.

Preferably, the support frame is of a cross structure, and a double-layer filter screen layer is arranged inside the dust blocking net.

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

(1) according to the utility model, through the matching of the connecting column, the movable plate, the spring, the spongy cushion and other structures, when the motor works to drive the shell to vibrate, the transmission of vibration energy can be greatly weakened, so that the vibration amplitude of the device is effectively reduced, the device can be kept stable, the noise pollution is small, and the quality of a working environment is greatly improved.

(2) According to the utility model, through the matching of the structures such as the clamping groove, the positioning block, the positioning hole and the limiting plate, the fixing frame can be firmly fixed in the ventilating duct, so that the dust blocking net is convenient to install, and meanwhile, the limiting plate is reset again, so that the fixing frame can be taken down from the ventilating duct, the dust blocking net is convenient to disassemble, the dust blocking net is convenient to clean and replace, and the working efficiency is greatly improved.

Drawings

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

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

FIG. 3 is an enlarged view of portion A of FIG. 2;

in the figure: 1. a housing; 2. a limiting plate; 3. a funnel; 4. a spring; 5. a base; 6. connecting columns; 7. a fixing frame; 8. a sponge cushion; 9. a movable plate; 10. a cavity groove; 11. a helical blade; 12. a motor; 13. a dust blocking net; 14. a support frame; 15. a card slot; 16. positioning blocks; 17. positioning holes; 18. and (6) a spring block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a horizontal type spiral fan comprises a shell 1, wherein two ends of the shell 1 are respectively provided with a ventilating duct 3, the bottom of the shell 1 is fixedly provided with a connecting column 6, the bottom of the connecting column 6 is provided with a base 5, the inside of the shell 1 is fixedly provided with a supporting frame 14, one side of the supporting frame 14 is provided with a motor 12, an output shaft of the motor 12 is connected with a spiral blade 11, the inside of the ventilating duct 3 is respectively provided with a fixed frame 7, the inside of the fixed frame 7 is connected with a dust blocking net 13, a cavity groove 10 is arranged in the base 5 and close to the lower part of the connecting column 6, the outer wall of the connecting column 6 is provided with a spring 4, one end of the connecting column 6 extending into the cavity groove 10 is fixedly provided with a movable plate 9, the bottom of the movable plate 9 is provided with a sponge cushion 8, the bottom end of the sponge cushion 8 is connected with the inner wall of the cavity groove 10, when the motor 12 works to drive the shell 1 to vibrate, the shell 1 can drive the connecting column 6 to move, so that the connecting column 6 drives the movable plate 9 to move, then the fly leaf 9 extrusion foam-rubber cushion 8, spring 4 receives the extrusion of casing 1 and base 5 to take place deformation simultaneously, under the cushioning effect of spring 4 and foam-rubber cushion 8, can weaken the transmission of vibrations energy greatly, the effectual vibration range that reduces the device to make the device remain stable, and noise pollution is little, has improved operational environment's quality.

Further, the inner walls of the two venturis 3 are provided with clamping grooves 15 matched with the fixing frame 7, the two sides of one end, far away from the shell 1, of each venturis 3 are respectively provided with a limiting plate 2 through a rotating shaft, elastic blocks 18 are fixed on the inner sides of the limiting plates 2, positioning blocks 16 are respectively installed at two ends of one side, far away from the limiting plates 2, of each fixing frame 7, positioning holes 17 matched with the positioning blocks 16 are formed in the inner walls of the clamping grooves 15, the fixing frames 7 are embedded into the clamping grooves 15, the positioning blocks 16 are connected with the positioning holes 17 in an inserting mode, then the limiting plates 2 are rotated, the elastic blocks 18 are tightly abutted to the side walls of the fixing frames 7, the fixing frames 7 can be firmly arranged in the venturiss 3, the dust blocking nets 13 are convenient to install and convenient to disassemble, the dust blocking nets 13 are convenient to take down to clean, and the working efficiency is greatly improved.

Further, the bottom of base 5 is installed the backing plate, and the backing plate has the absorbing effect, and the bottom of backing plate is provided with anti-skidding burr.

Specifically, the inner wall of locating hole 17 installs the rubber pad, and the backing plate has firm effect, and the outer wall of rubber pad has seted up anti-skidding groove.

Specifically, a protective cover is installed on the outer wall of the motor 12, the motor 12 can be protected through the protective cover, and a heat dissipation groove is formed in the outer wall of the protective cover.

Specifically, the supporting frame 14 is a cross structure, and a double-layer filter screen layer is arranged inside the dust blocking net 13.

The working principle and the using process of the utility model are as follows: when the utility model is used, the fixing frame 7 can be embedded into the clamping groove 15, the positioning block 16 and the positioning hole 17 are mutually inserted, then the limiting plate 2 is rotated, the elastic block 18 is tightly propped against the side wall of the fixing frame 7, so that the fixing frame 7 can be firmly arranged in the ventilating funnel 3, and the dust blocking net 13 is convenient to install, when the motor 12 works to drive the shell 1 to vibrate, the shell 1 can drive the connecting column 6 to move, the connecting column 6 drives the movable plate 9 to move, then the movable plate 9 extrudes the spongy cushion 8, meanwhile, the spring 4 is extruded by the shell 1 and the base 5 to deform, under the buffer action of the spring 4 and the spongy cushion 8, the transmission of vibration energy can be greatly weakened, the vibration amplitude of the device is effectively reduced, the device is kept stable, the noise pollution is small, the quality of a working environment is improved, in addition, the elastic block 18 is separated from the fixing frame 7 by rotating the limiting plate 2, and then the fixed frame 7 can be taken down by pulling, so that the dust blocking net 13 is convenient to disassemble and replace, and the working efficiency is greatly improved.

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 a horizontal helical fan which characterized in that: comprises a shell (1), wherein ventilating ducts (3) are installed at two ends of the shell (1), connecting columns (6) are fixed at the bottom of the shell (1), a base (5) is installed at the bottom of the connecting columns (6), a support frame (14) is fixed inside the shell (1), a motor (12) is installed on one side of the support frame (14), an output shaft of the motor (12) is connected with helical blades (11), a fixed frame (7) is installed inside the ventilating ducts (3), a dust blocking net (13) is connected inside the fixed frame (7), a cavity groove (10) is formed in the position, close to the lower portion of the connecting columns (6), of the inside of the base (5), a spring (4) is installed on the outer wall of the connecting columns (6), a movable plate (9) is fixed at one end, extending to the inside of the cavity groove (10), of a sponge cushion (8) is installed at the bottom of the movable plate (9), the bottom end of the spongy cushion (8) is connected with the inner wall of the cavity groove (10).

2. The horizontal type helical fan according to claim 1, wherein: two draw-in groove (15) assorted with fixed frame (7) are seted up to the inner wall of draft tube (3), and the one end both sides that casing (1) were kept away from in draft tube (3) all have limiting plate (2) through pivot swing joint, the inboard of limiting plate (2) is fixed with bullet piece (18), locating piece (16) are all installed at one side both ends that limiting plate (2) were kept away from in fixed frame (7), locating hole (17) assorted with locating piece (16) are seted up to the inner wall of draw-in groove (15).

3. The horizontal type helical fan according to claim 1, wherein: the bottom of base (5) is installed the backing plate, and the bottom of backing plate is provided with anti-skidding burr.

4. The horizontal type helical fan according to claim 2, wherein: the inner wall of the positioning hole (17) is provided with a rubber pad, and the outer wall of the rubber pad is provided with an anti-slip groove.

5. The horizontal type helical fan according to claim 1, wherein: the protective cover is installed on the outer wall of the motor (12), and the heat dissipation groove is formed in the outer wall of the protective cover.

6. The horizontal type helical fan according to claim 1, wherein: the supporting frame (14) is of a cross structure, and a double-layer filter screen layer is arranged inside the dust blocking net (13).