CN212429313U

CN212429313U - Centrifugal fan shell of high-efficient silence

Info

Publication number: CN212429313U
Application number: CN202020676192.9U
Authority: CN
Inventors: 薛群
Original assignee: Jiangsu Xideli Draught Fan Co ltd
Current assignee: Jiangsu Xideli Draught Fan Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-29
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a high-efficiency silent centrifugal fan shell, which comprises a base and a connecting shell, wherein the upper end of the base is provided with the connecting shell, the front end outer wall of the connecting shell is provided with a fixed convex ring, the front end outer wall of the fixed convex ring is provided with a sealing and fixing device, the right end outer wall of the connecting shell is provided with an air outlet pipe, the sealing and fixing device is additionally arranged on the centrifugal fan shell, when the centrifugal fan is not used, the air inlet and the air outlet of the centrifugal fan can be sealed by a connecting plate and a fixing plate, so that dust in the air can not be accumulated in the centrifugal fan to influence the reuse of the centrifugal fan, the fixing plate rotates to the front end outer wall of the fixed convex ring through a fixing hinge and sleeves a threaded sleeve outside a fixing rod, the fixing plate is fixed on the fixed convex ring, and thus two openings of the centrifugal fan can be sealed, make the use of this novel centrifugal fan shell become more humanized through sealed fixing device.

Description

Centrifugal fan shell of high-efficient silence

Technical Field

The utility model belongs to the technical field of centrifugal fan is relevant, concretely relates to centrifugal fan shell of high-efficient silence.

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. The centrifugal fan is a Chinese habit short for gas compression and gas conveying machinery, and generally comprises a centrifugal fan, a centrifugal fan blower and a wind driven generator, wherein the centrifugal fan blower is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces and the like.

The prior centrifugal fan shell technology has the following problems: centrifugal fan places aside when not using, has inside a lot of dust enters into centrifugal fan from air outlet and the air intake on the centrifugal fan, can make the inside dust of centrifugal fan many for a long time, and centrifugal fan can blow inside dust everywhere and all influence the use when reusing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal fan shell of high-efficient silence to solve the dust in the air of the centrifugal fan who proposes in the above-mentioned background art when not using and can follow air intake and air outlet and pile up the problem that uses at centrifugal fan's inside influence.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency silent centrifugal fan shell comprises a base and a connecting shell, wherein the upper end of the base is provided with the connecting shell, the outer surface of the connecting shell is covered with a soundproof cotton protective sleeve, the front outer wall of the connecting shell is provided with a fixed convex ring, the front outer wall of the fixed convex ring is provided with a sealing and fixing device, the right outer wall of the connecting shell is provided with an air outlet pipe, the rear outer wall of the connecting shell is provided with a connecting sleeve, the sealing and fixing device comprises a connecting plate, a connecting buckle, a connecting shaft, a connecting seat, a locking buckle, a fixed shaft, a fixed seat, a handle, a fixed plate, a fixed hinge, a connecting port, a fixed rod and a thread sleeve, the upper outer wall of the air outlet pipe is provided with the connecting plate, the left outer wall of the upper end of the connecting plate is provided with the handle, the left outer wall of the connecting plate is provided with the fixed, the fixing base and the locking buckle are fixedly connected through a fixing shaft, a connecting buckle is arranged on the outer wall of the right side of the lower end of the connecting plate, a connecting seat is arranged on the outer wall of the right end of an air outlet pipe outside the connecting buckle, the connecting buckle and the connecting seat are fixedly connected through a connecting shaft, a fixing plate is arranged on the outer wall of the front end of the fixing convex ring at the lower end of the fixing plate, a fixing hinge is arranged on the outer wall of the front end of the fixing convex ring at the lower end of the fixing plate, the fixing plate and the fixing convex ring are fixedly connected through the fixing hinge, a connecting port is arranged inside the upper end of the fixing plate, a fixing rod is arranged on the outer wall of the front end of the fixing convex ring inside the connecting port, the outer wall.

Preferably, the inside of base is provided with the stiffening rod, base and connection shell pass through welded mode fixed connection.

Preferably, the number of the locking buckles is two, and the connecting plate is fixedly connected with the air outlet pipe through the two locking buckles.

Preferably, the outer wall of the lower end of the connecting plate is provided with a connecting soft pad, and the connecting plate and the connecting soft pad are fixedly connected through an adhesive.

Preferably, a connecting hole is formed in the front end of the fixed convex ring, a fixing nut is arranged on the connecting hole, and the fixed convex ring is fixedly connected with the connecting shell through the fixing nut.

Preferably, the outer wall of the fixing plate is a smooth wall, and the outer wall of the fixing plate and the outer wall of the front end of the fixing convex ring can be completely attached.

Compared with the prior art, the utility model provides a centrifugal fan shell of high-efficient silence possesses following beneficial effect:

1. the utility model discloses an install sealed fixing device additional on centrifugal fan shell, can seal up centrifugal fan's air intake and air outlet through connecting plate and fixed plate when centrifugal fan does not use, make the dust in the air can not pile up the inside influence centrifugal fan's reuse in centrifugal fan, when centrifugal fan does not use, rotate the connecting plate to the upper end outer wall of tuber pipe, the lower extreme lock joint of lock buckle is fixed in the tuber pipe upper end with the connecting plate on the lower extreme outer wall of tuber pipe, rotate the fixed plate to the front end outer wall of fixed bulge loop and cup joint the thread bush in the outside of dead lever through fixed hinge, fix the fixed plate on fixed bulge loop, so can seal up centrifugal fan's two openings, rotate connecting plate and fixed plate under taking with lock buckle and thread bush when using centrifugal fan and can use centrifugal fan, make the use of this novel centrifugal fan shell become more humanized through sealed fixing device.

2. The utility model discloses connect shell surface cover at the centrifugal fan shell and be provided with the soundproof cotton protective sheath, through the setting of soundproof cotton protective sheath, the noise that the reduction centrifugal fan shell that can to a great extent spread in the use to make the use silence more of centrifugal fan shell, improved the performance of centrifugal fan shell.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a front structure of a high-efficiency silent centrifugal fan casing provided by the present invention;

fig. 2 is a schematic side view of a high-efficiency silent centrifugal fan casing according to the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of the sealing and fixing device according to the present invention;

fig. 4 is a schematic view of a partial cross-sectional structure of the sealing and fixing device according to the present invention;

in the figure: 1. a base; 2. a connecting shell; 3. fixing the convex ring; 4. a sealing and fixing device; 5. an air outlet pipe; 6. connecting sleeves; 7. a connecting plate; 8. a connecting buckle; 9. a connecting shaft; 10. a connecting seat; 11. a locking buckle; 12. a fixed shaft; 13. a fixed seat; 14. a handle; 15. a fixing plate; 16. fixing the hinge; 17. a connecting port; 18. fixing the rod; 19. a threaded sleeve; 20. soundproof cotton protective sheath.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a high-efficiency silent centrifugal fan shell comprises a base 1 and a connecting shell 2, the upper end of the base 1 is provided with the connecting shell 2, the outer surface of the connecting shell 2 is covered with a soundproof cotton protective sleeve 20, the inside of the base 1 is provided with a reinforcing rod, the base 1 and the connecting shell 2 are fixedly connected in a welding mode, the welding connection effect is very firm, the problem of looseness between the base 1 and the connecting shell 2 after long-time use is prevented, the outer wall of the front end of the connecting shell 2 is provided with a fixed convex ring 3, the inside of the front end of the fixed convex ring 3 is provided with a connecting hole, the connecting hole is provided with a fixing nut, the fixed convex ring 3 is fixedly connected with the connecting shell 2 through the fixing nut, the fixed convex ring 3 can be fixed on the outer wall of the front end of the connecting shell 2 through the fixing nut and is convenient to detach, the outer wall of the front end of the fixed convex ring 3 is provided with a sealing fixing device 4, the outer wall, be provided with adapter sleeve 6 on the rear end outer wall of connection shell 2, including connecting plate 7 on the sealed fixing device 4, connector link 8, connecting axle 9, connecting seat 10, locking buckle 11, fixed axle 12, fixing base 13, handle 14, fixed plate 15, fixed hinge 16, connector 17, dead lever 18 and thread bush 19, be provided with connecting plate 7 on the upper end outer wall of play tuber pipe 5, be provided with the connection cushion on the lower extreme outer wall of connecting plate 7, connecting plate 7 and connection cushion pass through adhesive fixed connection, can effectively increase connecting plate 7 and play the frictional force between the tuber pipe 5 through connecting the cushion, sealed effect is better, be provided with handle 14 on the upper end left side outer wall of connecting plate 7, be provided with fixing base 13 on the left end outer wall of connecting plate 7.

A high-efficiency silent centrifugal fan shell, a downward locking buckle 11 is arranged inside a fixed seat 13, the fixed seat 13 and the locking buckle 11 are fixedly connected through a fixed shaft 12, the number of the locking buckles 11 is two, a connecting plate 7 is fixedly connected with an air outlet pipe 5 through the two locking buckles 11, the fixing effect of the two locking buckles 11 is better, the single fixing effect is prevented from being not firm enough, a connecting buckle 8 is arranged on the outer wall of the right side of the lower end of the connecting plate 7, a connecting seat 10 is arranged on the outer wall of the right end of the air outlet pipe 5 outside the connecting buckle 8, the connecting buckle 8 and the connecting seat 10 are fixedly connected through a connecting shaft 9, a fixed plate 15 is arranged on the outer wall of the front end of a fixed convex ring 3 at the lower end of the fixed plate 15, a fixed hinge 16 is arranged on the outer wall of the front end of the fixed convex ring 3 at the, the outer wall of fixed plate 15 and the front end outer wall of fixed bulge loop 3 can laminate completely, prevent totally that the gap from leading to the problem that sealed effect is not good appearing in the laminating together, the inside connector 17 that is provided with in upper end of fixed plate 15, be provided with dead lever 18 on the front end outer wall of the fixed bulge loop 3 of connector 17 inside, the front end outer wall of dead lever 18 passes connector 17 and sets up the front end at fixed plate 15, threaded sleeve 19 has been cup jointed to the dead lever 18 outside of fixed plate 15 front end.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, the principle of this novel centrifugal fan shell utilizes two air intakes and air outlet that design, utilize the installation fixed motor in inside to drive the flabellum from going out tuber pipe 5 and carry wind-force, when centrifugal fan does not use, rotate connecting plate 7 on the upper end outer wall of tuber pipe 5, the lower extreme lock joint of locking knot 11 is fixed connecting plate 7 in the tuber pipe 5 upper end on the lower extreme outer wall of tuber pipe 5, rotate fixed plate 15 through fixed hinge 16 to fixed bulge loop 3's front end outer wall on and cup joint the thread bush 19 in the outside of dead lever 18, fix fixed plate 15 on fixed bulge loop 3, can all seal up two openings of centrifugal fan like this.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a centrifugal fan shell of high-efficient silence, includes base (1) and connecting shell (2), its characterized in that: the air outlet pipe is characterized in that a connecting shell (2) is installed at the upper end of the base (1), a soundproof cotton protective sleeve (20) is covered on the outer surface of the connecting shell (2), a fixed convex ring (3) is arranged on the outer wall of the front end of the connecting shell (2), a sealing and fixing device (4) is arranged on the outer wall of the front end of the fixed convex ring (3), an air outlet pipe (5) is arranged on the outer wall of the right end of the connecting shell (2), a connecting sleeve (6) is arranged on the outer wall of the rear end of the connecting shell (2), the sealing and fixing device (4) comprises a connecting plate (7), a connecting buckle (8), a connecting shaft (9), a connecting seat (10), a locking buckle (11), a fixed shaft (12), a fixed seat (13), a handle (14), a fixed plate (15), a fixed hinge (16), a connecting port (17), a fixed rod (18) and a threaded sleeve (19), the outer wall of, a handle (14) is arranged on the outer wall of the left side of the upper end of the connecting plate (7), a fixing seat (13) is arranged on the outer wall of the left end of the connecting plate (7), a downward locking buckle (11) is arranged inside the fixing seat (13), the fixing seat (13) and the locking buckle (11) are fixedly connected through a fixing shaft (12), a connecting buckle (8) is arranged on the outer wall of the right side of the lower end of the connecting plate (7), a connecting seat (10) is arranged on the outer wall of the right end of the air outlet pipe (5) outside the connecting buckle (8), the connecting buckle (8) and the connecting seat (10) are fixedly connected through a connecting shaft (9), a fixing plate (15) is arranged on the outer wall of the front end of the fixing convex ring (3) at the lower end of the fixing plate (15), a fixing hinge (16) is arranged on the outer wall of the front end of the fixing convex ring (3) at the lower end of, a connecting port (17) is arranged inside the upper end of the fixing plate (15), a fixing rod (18) is arranged on the outer wall of the front end of the fixing convex ring (3) inside the connecting port (17), the outer wall of the front end of the fixing rod (18) penetrates through the connecting port (17) and is arranged at the front end of the fixing plate (15), and a threaded sleeve (19) is sleeved outside the fixing rod (18) at the front end of the fixing plate (15).

2. The high-efficiency silent centrifugal fan shell as claimed in claim 1, wherein: the reinforcing rod is arranged inside the base (1), and the base (1) and the connecting shell (2) are fixedly connected in a welding mode.

3. The high-efficiency silent centrifugal fan shell as claimed in claim 1, wherein: the locking buckles (11) are provided with two, and the connecting plate (7) is fixedly connected with the air outlet pipe (5) through the two locking buckles (11).

4. The high-efficiency silent centrifugal fan shell as claimed in claim 1, wherein: the connecting cushion is arranged on the outer wall of the lower end of the connecting plate (7), and the connecting plate (7) is fixedly connected with the connecting cushion through an adhesive.

5. The high-efficiency silent centrifugal fan shell as claimed in claim 1, wherein: the connecting hole is formed in the inner portion of the front end of the fixed convex ring (3), a fixing nut is arranged on the connecting hole, and the fixed convex ring (3) is fixedly connected with the connecting shell (2) through the fixing nut.

6. The high-efficiency silent centrifugal fan shell as claimed in claim 1, wherein: the outer wall of fixed plate (15) is smooth wall, the outer wall of fixed plate (15) and the front end outer wall of fixed bulge loop (3) can laminate completely.