CN211144873U

CN211144873U - Combined centrifugal fan

Info

Publication number: CN211144873U
Application number: CN201922363481.3U
Authority: CN
Inventors: 吴丞晏; 吴玟庆; 周健; 罗小华; 陈成亮; 扶万群
Original assignee: Hengchi Environmental Protection Equipment Nanjing Co ltd
Current assignee: Hengchi Environmental Protection Equipment Nanjing Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-07-31
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a modular centrifugal fan, including casing one, connecting seat and casing two, there is the spliced pole casing one-by-one lateral wall both sides through bolted connection, spliced pole lower extreme periphery is provided with the connecting seat, the connecting seat with the spliced pole passes through bolted connection, the welding of connecting seat lower extreme has the base, casing one is kept away from spliced pole one side is provided with casing two, casing one is kept away from spliced pole one end shaping has the connecting shell, the connecting shell periphery is provided with the spread groove. Has the advantages that: the utility model discloses a set up casing one, casing two, spread groove, connection shell, spliced pole and connecting seat, make casing one and casing two pass through bolt, spread groove and connection shell can be convenient make up the split, also can be convenient between casing one, spliced pole and the connecting seat carry out the split, make the maintenance repair that carries on that centrifugal fan can be very convenient, and can make centrifugal fan's accessory replacement cost greatly reduced, very practical.

Description

Combined centrifugal fan

Technical Field

The utility model relates to a centrifugal fan technical field, concretely relates to modular centrifugal fan.

Background

The centrifugal fan is a machine which can improve the gas pressure and discharge gas by depending on mechanical energy, and is a driven fluid machine, the centrifugal fan is widely used for ventilation, dust exhaust, cooling and other works of tunnels, cooling towers, factories, mines, vehicles, ships and buildings, and can also be used for ventilation and air induction of boilers and industrial furnaces, drying and selecting and conveying of grains, inflation and propulsion of wind tunnel wind sources and air cushion ships and the like, and fifty-more series such as large industrial blowers, ventilators, gas blowers, coke oven blowers and the like are main products of domestic centrifugal fan manufacturers.

The integral structure of the existing centrifugal fan is difficult to split, the inside of the centrifugal fan is inconvenient to maintain, the maintenance cost is high, and the requirement of a user is difficult to meet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the combined centrifugal fan is provided, and the problems that the integral structure of the existing centrifugal fan is difficult to split, the internal maintenance of the centrifugal fan is inconvenient, and the maintenance cost is high are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a modular centrifugal fan, including casing one, connecting seat and casing two, there is the spliced pole casing one-by-one lateral wall both sides through bolted connection, spliced pole lower extreme periphery is provided with the connecting seat, the connecting seat with the spliced pole passes through bolted connection, the welding of connecting seat lower extreme has the base, casing one is kept away from spliced pole one side is provided with casing two, casing one is kept away from spliced pole one end shaping has the connection shell, the connection shell periphery is provided with the spread groove, the spread groove shaping in on the casing two, the connection shell with the spread groove is pegged graft, casing one with bolted connection is crossed to casing two.

Through adopting above-mentioned technical scheme, the casing one pass through the spliced pole can with the convenient split that carries on of connecting seat, the casing one can with the convenient split that carries on of casing two, centrifugal fan's combination split is very convenient like this, can very convenient maintain.

Furthermore, be provided with the dust screen on a casing inner wall, base lower extreme four corners department is provided with the universal wheel, universal wheel one side is rotated and is connected with the wheel lock.

Through adopting above-mentioned technical scheme, through the universal wheel can make centrifugal fan can convenient removal, through the wheel lock can with the universal wheel lock is died.

Furthermore, the dust screen is connected with the first shell through bolts, the upper end of the universal wheel is connected with the base through bolts, a bearing is arranged in the middle of the second shell, and a connecting shaft is arranged in the bearing.

By adopting the technical scheme, the dustproof net can prevent external sundries from entering the centrifugal fan.

Furthermore, the bearing with casing two and the connecting axle is interference connection, the connecting axle is located casing one and casing two in one end have the impeller through the key connection, the connecting axle is kept away from impeller one end is provided with from the driving wheel.

By adopting the technical scheme, the impeller can synchronously rotate with the connecting shaft and the driven wheel.

Further, follow the driving wheel with the connecting axle passes through the key-type connection, connecting seat one side is provided with step motor, step motor's transmission output is provided with the action wheel, the nested belt that has on the action wheel.

Through adopting above-mentioned technical scheme, can drive when the action wheel rotates the belt rotates.

Furthermore, the lower end of the stepping motor is connected with the upper end of the base through a bolt, the transmission output end of the stepping motor is connected with the driving wheel through a key, and the belt is nested on the driven wheel.

By adopting the technical scheme, the stepping motor can drive the driven wheel to rotate through the driving wheel and the belt when in work.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

for the overall structure of solving current centrifugal fan is difficult to carry out the split, the inside inconvenient of maintaining of centrifugal fan, and the higher problem of maintenance cost, the utility model discloses a set up casing one, casing two, spread groove, connection shell, spliced pole and connecting seat, make casing one and casing two pass through the bolt, the split can be made up with connection shell is convenient, casing one, also can be convenient between spliced pole and the connecting seat carries out the split, make that centrifugal fan can very convenient maintain and repair, and can make centrifugal fan's accessory replacement cost greatly reduced, very practical.

Drawings

Fig. 1 is a schematic structural view of a combined centrifugal fan according to the present invention;

fig. 2 is a sectional view of a second casing of the combined centrifugal fan of the present invention;

fig. 3 is a back view of a combined centrifugal fan according to the present invention;

fig. 4 is a schematic structural view of a second shell in the combined centrifugal fan of the present invention;

fig. 5 is a schematic structural view of a first shell in the combined centrifugal fan of the present invention.

The reference numerals are explained below:

1. a first shell; 2. connecting columns; 3. a connecting seat; 4. a base; 5. a second shell; 6. a connecting shell; 7. connecting grooves; 8. a dust screen; 9. a universal wheel; 10. a wheel lock; 11. a bearing; 12. a connecting shaft; 13. an impeller; 14. a driven wheel; 15. a stepping motor; 16. a driving wheel; 17. a belt.

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 merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-5, the combined centrifugal fan in this embodiment includes a first casing 1, a connecting socket 3 and a second casing 5, two sides of a sidewall of the first casing 1 are connected with connecting posts 2 through bolts, the connecting socket 3 is disposed on the periphery of the lower end of the connecting post 2, the connecting socket 3 is connected with the connecting post 2 through bolts, a base 4 is welded on the lower end of the connecting socket 3, the second casing 5 is disposed on the side of the first casing 1 away from the connecting posts 2, a connecting casing 6 is formed on the end of the first casing 1 away from the connecting posts 2, a connecting groove 7 is disposed on the periphery of the connecting casing 6, the connecting casing 6 is inserted into the connecting groove 7, the first casing 1 is connected with the second casing 5 through bolts, after the connecting bolts on the first casing 1 and the second casing 5 are detached, the first casing 1 can be detached from the second casing 5, and the first casing 1, the connecting, the centrifugal fan can be conveniently combined and disassembled, and the maintenance and the cleaning are very convenient.

Be provided with dust screen 8 on 1 inner wall of casing, 4 lower extreme four corners departments of base are provided with

universal wheel

9, and 9 one sides of universal wheel are rotated and are connected with wheel lock 10, and centrifugal fan passes through the removal that universal wheel 9 can be convenient, can die universal wheel 9 lock through wheel lock 10, and then makes centrifugal fan be difficult to remove.

The dust screen 8 passes through bolted connection with

casing

1, and 9 upper ends of universal wheel pass through bolted connection with base 4, and casing two 5 middle parts are provided with bearing 11, are provided with connecting axle 12 in the bearing 11, and dust screen 8 can prevent that debris such as external dust from getting into centrifugal fan, guarantees the security of centrifugal fan work, still can make centrifugal fan's clearance maintenance cycle increase.

The bearing 11, the second shell 5 and the connecting shaft 12 are in interference connection, one end of the connecting shaft 12, which is located in the first shell 1 and the second shell 5, is connected with an impeller 13 through a key, one end of the connecting shaft 12, which is far away from the impeller 13, is provided with a driven wheel 14, and the impeller 13 can rotate synchronously with the connecting shaft 12 and the driven wheel 14.

Follow driving wheel 14 and connecting axle 12 through the key-type connection, connecting seat 3 one side is provided with step motor 15, and step motor 15's transmission output is provided with action wheel 16, and the nested belt 17 that has on the action wheel 16, can drive belt 17 when action wheel 16 rotates and rotate.

The lower end of the stepping motor 15 is connected with the upper end of the base 4 through a bolt, the transmission output end of the stepping motor 15 is in key connection with the driving wheel 16, the belt 17 is nested on the driven wheel 14, the stepping motor 15 can drive the driving wheel 16 to rotate at the work time, so that the driving wheel 16 drives the driven wheel 14 to rotate through the belt 17, the connecting shaft 12 and the impeller 13 are further driven to rotate under the assistance of the bearing 11, and the centrifugal fan can work.

The specific implementation process of this embodiment is as follows: the centrifugal fan uses an external power supply and is controlled by external equipment, the centrifugal fan can be conveniently moved through the universal wheel 9, the universal wheel 9 can be locked through the wheel lock 10, thereby making the centrifugal fan difficult to move, the stepping motor 15 can drive the driving wheel 16 to rotate when working, thereby the driving wheel 16 drives the driven wheel 14 to rotate through the belt 17, and then make connecting axle 12 and impeller 13 rotate under bearing 11's assistance, centrifugal fan can carry out work like this, dust screen 8 can prevent that debris such as external dust from getting into in the centrifugal fan, guarantee the security of centrifugal fan work, still can guarantee the inside cleanliness factor of centrifugal fan long-time during operation, casing 1, casing two 5, can be convenient between spliced pole 2 and the connecting seat 3 make up the split, can make the dismantlement of centrifugal fan very convenient like this and maintain.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a modular centrifugal fan which characterized in that: comprises a first shell (1), a connecting seat (3) and a second shell (5), wherein two sides of one side wall of the first shell (1) are connected with connecting columns (2) through bolts, the connecting seat (3) is arranged on the periphery of the lower end of the connecting column (2), the connecting seat (3) is connected with the connecting column (2) through a bolt, a base (4) is welded at the lower end of the connecting seat (3), a second shell (5) is arranged on one side of the first shell (1) far away from the connecting column (2), a connecting shell (6) is formed at one end of the first shell (1) far away from the connecting column (2), the periphery of the connecting shell (6) is provided with a connecting groove (7), the connecting groove (7) is formed on the second shell body (5), the connecting shell (6) is connected with the connecting groove (7) in an inserting mode, and the first shell (1) is connected with the second shell (5) through bolts.

2. The combined centrifugal fan of claim 1, wherein: the dustproof net (8) is arranged on the inner wall of the first shell (1), universal wheels (9) are arranged at four corners of the lower end of the base (4), and a wheel lock (10) is rotatably connected to one side of each universal wheel (9).

3. The combined centrifugal fan of claim 2, wherein: the dustproof net (8) is connected with the first shell (1) through bolts, the upper ends of the universal wheels (9) are connected with the base (4) through bolts, a bearing (11) is arranged in the middle of the second shell (5), and a connecting shaft (12) is arranged in the bearing (11).

4. A combined centrifugal fan according to claim 3, characterised in that: bearing (11) with casing two (5) and connecting axle (12) are the interference connection, connecting axle (12) are located casing one (1) and one end has impeller (13) through the key connection in casing two (5), connecting axle (12) are kept away from impeller (13) one end is provided with from driving wheel (14).

5. The combined centrifugal fan of claim 4, wherein: follow driving wheel (14) with connecting axle (12) pass through the key-type connection, connecting seat (3) one side is provided with step motor (15), the transmission output of step motor (15) is provided with action wheel (16), nested belt (17) on action wheel (16).

6. The combined centrifugal fan of claim 5, wherein: step motor (15) lower extreme with bolted connection is passed through to base (4) upper end, step motor (15) transmission output with action wheel (16) pass through the key-type connection, belt (17) nestification is in from driving wheel (14).