CN213235504U

CN213235504U - Glass fiber reinforced plastic centrifugal fan

Info

Publication number: CN213235504U
Application number: CN202021773006.XU
Authority: CN
Inventors: 吕攀攀
Original assignee: Dafeng Jinhui Wind Power Technology Co ltd
Current assignee: Dafeng Jinhui Wind Power Technology Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-05-18
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a glass fiber reinforced plastic centrifugal fan, which comprises a fan volute, wherein the side wall of the fan volute is provided with an air inlet, an impeller is arranged in the fan volute corresponding to the air inlet, the impeller is connected with the side wall in the fan volute through main shaft transmission, and a plurality of fan blades are arranged on the impeller. The buffer seat further promotes the stability of fan during operation, prevents that the vibration from causing the loss.

Description

Glass fiber reinforced plastic centrifugal fan

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a glass steel centrifugal fan.

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. The centrifugal fan accelerates gas by using an impeller rotating at a high speed according to the principle that kinetic energy is converted into potential energy, and then decelerates and changes the flow direction so as to convert the kinetic energy into the potential energy (pressure).

Most of the existing centrifugal fans are made of steel, are heavy and easy to corrode, can generate large noise during working, and can also enable harmful particulate matters to enter the natural environment through the air outlet, so that the environment is polluted, and even the human body is injured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a glass steel centrifugal fan to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a glass steel centrifugal fan, includes the fan spiral case, fan spiral case lateral wall sets up the air intake, the inside air intake that corresponds of fan spiral case sets up the impeller, and the impeller passes through the main shaft transmission and connects at the inside lateral wall of fan spiral case, set up a plurality of flabellums on the impeller, fan spiral case top sets up out the tuber pipe, goes out tuber pipe outside oral area and sets up the filter tube, and the filter tube outside sets up the collar, collar fixed mounting is in filter tube lateral wall oral area, set up the screw hole on the collar, threaded hole sets up mounting bolt, air-out tuber pipe oral area lateral wall corresponds mounting bolt and sets up the screw hole, the inside silencing device that sets up of air-out pipe, fan spiral case bottom sets up the support.

During operation, inside gaseous follow entering fan spiral case through the air intake, gaseous from the axial entering impeller, change into radially during the impeller of gas flow, then get into the diffuser, the wind through the processing is discharged through going out the tuber pipe, the inside silencing device of airing exhaust eliminates the noise that the during operation produced, promote the noise reduction of fan, the filter tube of air-out mouth of pipe portion can filter the air-out, prevent that dust or harmful substance from leading to the fact the injury to the human body in the wind, the support frame promotion fan job stabilization nature of fan spiral case bottom, the further stability of promotion fan during operation of buffing pad, prevent that vibration from leading to the fact the influence to the fan.

As a further aspect of the present invention: the fan volute and the air outlet pipe are both made of glass fiber reinforced plastic, the glass fiber reinforced plastic has the advantage of corrosion resistance, the fan volute is prevented from being affected by the corrosion condition, the quality of the glass fiber reinforced plastic is lower than that of the steel material, and the fan volute is convenient to carry and move.

As a further aspect of the present invention: the buffer seat comprises a fixed sleeve, a buffer rod is arranged above the inner side of the fixed sleeve, a protective pad is arranged at the top of the buffer rod, a sliding block is arranged at the bottom of the buffer rod, a buffer spring is arranged at the bottom of the sliding block, a limiting ring is arranged at the opening part above the fixed sleeve, and the buffer effect of the buffer seat is improved through the buffer rod and the buffer spring.

As a further aspect of the present invention: the support frame both sides top sets up the arc backing plate, and the arc upper surface sets up the non slipping spur that a plurality of equidistance distribute, and the arc backing plate plays the supporting role, and the non slipping spur prevents that the fan from sliding, promotes the fan and places the stationarity.

As a further aspect of the present invention: silencing device includes the support, and the support mounting sets up the acoustical panel in the tuber pipe inside wall, and the support top sets up the noise damping piece that a plurality of equidistance distribute on the acoustical panel, eliminates the noise that fan work produced through acoustical panel and noise damping piece, promotes operational environment quality.

As a further aspect of the present invention: the filter tube is internally provided with a filter element which is vertically arranged on the inner side wall of the filter tube, the two sides of the filter element are respectively and correspondingly provided with a filter screen plate, and the filter effect of the filter tube is improved through the filter screen plate and the filter element, so that the environmental protection of the fan is improved.

As a further aspect of the present invention: the filter tube external diameter and the air outlet pipe internal diameter looks adaptation, the thickness of collar is the same with the air outlet pipe wall thickness, promotes the filter effect of filter tube.

Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:

1. the utility model provides a glass steel centrifugal fan, novel structure and reasonable in layout, in operation, it is inside that gaseous from getting into the fan spiral case through the air intake, gaseous axial entering impeller, change into radially during the impeller of gas flow, then get into the diffuser, the wind through processing is discharged through going out the tuber pipe, the noise reduction that the inside silencing device of exhaust pipe produced the during operation is eliminated, promote the noise reduction of fan, the filter tube that goes out the tuber pipe oral area can filter the air-out, prevent that dust or harmful substance from causing the injury to the human body in the wind, the support frame of fan spiral case bottom promotes the stability of fan work, the buffer seat further promotes the stability of fan during operation, prevent that vibration from causing the influence to the fan.

2. The utility model discloses a further design, fan spiral case all adopts the glass steel material to make with the play tuber pipe, and the glass steel has anticorrosive advantage, prevents that fan spiral case part from appearing the corruption condition and influencing fan work, and glass steel quality is lower than steel material quality, is convenient for carry and remove.

3. The utility model discloses further design silencing device, silencing device includes the support, and the support mounting sets up the acoustical panel in the play tuber pipe inside wall, support top, sets up the noise damping piece that a plurality of equidistance distribute on the acoustical panel, eliminates the noise that fan work produced through acoustical panel and noise damping piece, promotes operational environment quality.

4. The utility model discloses further the inside filter core that sets up of filter tube, the filter core is installed perpendicularly at the filter tube inside wall, the filter core both sides correspond respectively and set up the filter plate, promote the filter effect of filter tube through filter plate and filter core, promote the fan feature of environmental protection.

Drawings

FIG. 1 is a schematic side view of a glass fiber reinforced plastic centrifugal fan;

FIG. 2 is a schematic sectional view of an air outlet pipe of a glass fiber reinforced plastic centrifugal fan;

FIG. 3 is a schematic cross-sectional view of a buffer seat in a glass fiber reinforced plastic centrifugal fan;

fig. 4 is a schematic perspective view of a filter tube in a glass fiber reinforced plastic centrifugal fan.

In the figure: 1. a fan volute; 2. an air inlet; 3. an air outlet pipe; 4. a filter tube; 5. a fan blade; 6. an impeller; 7. a buffer seat; 8. a support frame; 9. an arc-shaped base plate; 10. anti-skid blocks; 11. a mounting ring; 12. a filter screen plate; 13. a filter element; 14. installing a bolt; 15. a silencer device; 16. a sound-deadening sheet; 17. a sound-absorbing panel; 18. a support; 19. fixing the sleeve; 20. a buffer spring; 21. a buffer rod; 22. a limiting ring; 23. a protective pad; 24. a slider; 25. a threaded bore.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a glass fiber reinforced plastic centrifugal fan comprises a fan volute 1, an air inlet 2 is arranged on the side wall of the fan volute 1, a buffer seat 76 is arranged inside the fan volute 1 corresponding to the air inlet 2, the buffer seat 76 is connected to the side wall inside the fan volute 1 through a spindle transmission, a plurality of fan blades 5 are arranged on the buffer seat 76, an air outlet pipe 3 is arranged above the fan volute 1, a filter pipe 4 is arranged at the outer side opening of the air outlet pipe 3, a mounting ring 11 is arranged at the outer side of the filter pipe 4, the mounting ring 11 is fixedly mounted at the outer side opening of the filter pipe 4, a threaded hole 25 is arranged on the mounting ring 11, a mounting bolt 14 is arranged in the threaded hole 25, a threaded hole 25 is arranged on the side wall at the opening of the air outlet pipe 3 corresponding to the mounting bolt 14, a silencer 15 is arranged inside the, the bottom of the inner side of the support frame 8 is provided with a buffer seat 7;

the blower volute 1 and the air outlet pipe 3 are both made of glass fiber reinforced plastics, the glass fiber reinforced plastics have the advantage of corrosion resistance, the blower volute 1 is prevented from being influenced by corrosion, and the glass fiber reinforced plastics are lower in quality than steel materials and convenient to carry and move; the buffer seat 7 comprises a fixed sleeve 19, a buffer rod 21 is arranged above the inside of the fixed sleeve 19, a protective pad 23 is arranged at the top of the buffer rod 21, a sliding block 24 is arranged at the bottom of the buffer rod 21, a buffer spring 20 is arranged at the bottom of the sliding block 24, a limiting ring 22 is arranged at the opening part above the fixed sleeve 19, and the buffer effect of the buffer seat 7 is improved through the buffer rod 21 and the buffer spring 20; arc-shaped base plates 9 are arranged at the tops of two sides of the supporting frame 8, a plurality of anti-skidding blocks 10 distributed at equal intervals are arranged on the upper surfaces of the arc-shaped base plates 9, the arc-shaped base plates 9 play a supporting role, the anti-skidding blocks 10 prevent the fan from sliding, and the placing stability of the fan is improved;

the silencer 15 comprises a support 18, the support 18 is arranged on the inner side wall of the air outlet pipe 3, a silencer plate 17 is arranged above the support 18, a plurality of silencer sheets 16 distributed at equal intervals are arranged on the silencer plate 17, noise generated by the operation of the fan is eliminated through the silencer plate 17 and the silencer sheets 16, and the quality of a working environment is improved; a filter element 13 is arranged in the filter pipe 4, the filter element 13 is vertically arranged on the inner side wall of the filter pipe 4, filter screen plates 12 are correspondingly arranged on two sides of the filter element 13 respectively, the filter effect of the filter pipe 4 is improved through the filter screen plates 12 and the filter element 13, and the environmental protection performance of the fan is improved; the outer diameter of the filter pipe 4 is matched with the inner diameter of the air outlet pipe 3, the thickness of the mounting ring 11 is the same as the wall thickness of the air outlet pipe 3, and the filtering effect of the filter pipe 4 is improved.

The utility model discloses a theory of operation is: the during operation, it is inside that gaseous from getting into fan spiral case 1 through air intake 2, gaseous from the axial entering buffing pad 76, change into radially during the gas flow through buffing pad 76, then get into the diffuser, the wind through processing is discharged through going out tuber pipe 3, the inside silencing device 15 of airing exhaust is eliminated the noise that the during operation produced, promote the noise reduction of fan, the filter tube 4 of 3 oral areas of play tuber pipe can filter the air-out, prevent that dust or harmful substance from causing the injury to the human body in the wind, the support frame 8 of 1 bottom of fan spiral case promotes the stability of fan work, buffing pad 7 further promotes the stability of fan during operation, prevent that vibration from causing the influence to the fan.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The glass fiber reinforced plastic centrifugal fan comprises a fan volute (1) and is characterized in that an air inlet (2) is formed in the side wall of the fan volute (1), a buffer seat (7) and a buffer seat (6) are arranged in the fan volute (1) and correspond to the air inlet (2), the buffer seat (7) and the buffer seat (6) are connected to the side wall in the fan volute (1) through spindle transmission, a plurality of fan blades (5) are arranged on the buffer seat (7) and the buffer seat (6), an air outlet pipe (3) is arranged above the fan volute (1), a filter pipe (4) is arranged at the outer side opening part of the air outlet pipe (3), a mounting ring (11) is arranged at the outer side opening part of the filter pipe (4), a threaded hole (25) is formed in the mounting ring (11), a mounting bolt (14) is arranged in the threaded hole (25), and a threaded hole (25) is formed in the side wall of the opening, go out inside silencing device (15) that sets up of tuber pipe (3), fan spiral case (1) bottom sets up support frame (8), and the hollow vacuole formation in support frame (8), support frame (8) inboard bottom sets up buffer seat (7).

2. A glass fibre reinforced plastic centrifugal fan according to claim 1, wherein the fan volute (1) and the air outlet pipe (3) are made of glass fibre reinforced plastic.

3. The glass fiber reinforced plastic centrifugal fan as claimed in claim 1, wherein the buffer seat (7) comprises a fixed sleeve (19), a buffer rod (21) is arranged above the inside of the fixed sleeve (19), a protective pad (23) is arranged on the top of the buffer rod (21), a sliding block (24) is arranged on the bottom of the buffer rod (21), a buffer spring (20) is arranged on the bottom of the sliding block (24), and a limit ring (22) is arranged at the upper opening of the fixed sleeve (19).

4. The glass fiber reinforced plastic centrifugal fan as claimed in claim 1, wherein arc-shaped backing plates (9) are arranged at the tops of two sides of the support frame (8), and a plurality of anti-skid blocks (10) distributed at equal intervals are arranged on the upper surfaces of the arc-shaped backing plates.

5. A glass fibre reinforced plastic centrifugal fan according to any one of claims 1-4, characterized in that the silencing device (15) comprises a bracket (18), the bracket (18) is mounted on the inner side wall of the air outlet pipe (3), a silencing plate (17) is arranged above the bracket (18), and a plurality of silencing sheets (16) are arranged on the silencing plate (17) and are distributed at equal intervals.

6. A glass fiber reinforced plastic centrifugal fan according to claim 5, wherein a filter element (13) is arranged in the filter pipe (4), the filter element (13) is vertically installed on the inner side wall of the filter pipe (4), and two sides of the filter element (13) are respectively provided with the filter screen plates (12) correspondingly.

7. A glass fibre reinforced plastic centrifugal fan according to claim 6, characterized in that the outer diameter of the filter pipe (4) is adapted to the inner diameter of the air outlet pipe (3), and the thickness of the mounting ring (11) is the same as the wall thickness of the air outlet pipe (3).