CN212774933U

CN212774933U - Centrifugal fan outlet flange

Info

Publication number: CN212774933U
Application number: CN202021277344.4U
Authority: CN
Inventors: 李云民; 李延杰
Original assignee: Qingdao Shengteng Flange Co ltd
Current assignee: Qingdao Shengteng Flange Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-23
Anticipated expiration: 2030-07-03

Abstract

The utility model relates to a flange field specifically is a centrifugal fan outlet flange, including centrifugal fan, powerful spring, handle, reset spring, centrifugal fan exit joint has the flange, the flange is seted up the pipeline draw-in groove, the pipeline draw-in groove is pegged graft and is had the tuber pipe, the flange outer wall is fixed with the couple, the couple is hung in the couple groove, the couple groove is seted up on the pulling-on piece, the pulling-on piece rear end is pegged graft in the spout, the spout is seted up on the hasp frame lateral wall, spring dog one is fixed on the flange lateral wall, the card post lower extreme is fixed with spring dog two, reset spring is pegged graft on the card post; the beneficial effects are that: the flange is arranged into two parts, the two parts of the flange are firmly fixed at the outlet of the centrifugal fan through the matching of the hook, the pulling piece, the strong spring, the lock catch frame, the rotating shaft and the handle, and the flange can be firmly fixed and is easy to replace and maintain through locking the flange by the lock catch.

Description

Centrifugal fan outlet flange

Technical Field

The utility model relates to a flange field specifically is a centrifugal fan outlet flange.

Background

Centrifugal fan is one kind and relies on the mechanical energy to improve gas pressure and the gaseous device of row send, and the wide ventilation dust removal that is applied to factory workshop, colliery mine, tunnel of centrifugal fan also can be used to the cooling of cooling tower, vehicle boats and ships, can also be used to the air-dry storage of grain etc. centrifugal fan's application is very extensive, and everywhere is visible, and centrifugal fan exit is general all fixed mounting has the flange, and the flange is convenient for with outside pipe connection.

Among the prior art, flange and centrifuge all adopt fixed connection generally, and fixed connection operation is more troublesome, and inconvenient change still generally adopts many bolt fixed connection between pipeline and the flange, will be very troublesome when changing the pipeline like this, is unfavorable for the operation, for this reason the utility model provides a centrifugal fan outlet flange in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a centrifugal fan outlet flange 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 centrifugal fan outlet flange, includes centrifugal fan, powerful spring, handle, reset spring, centrifugal fan exit joint has the flange, it has the pipeline draw-in groove to open in the flange, the pipeline draw-in groove is pegged graft and is had out the tuber pipe, the flange outer wall is fixed with the couple, the couple is hung in the couple inslot, the couple groove is seted up on the pulling-on piece, the pulling-on piece rear end is pegged graft in the spout, the spout is seted up on hasp frame lateral wall, the handle middle part articulates on the hasp frame through pivot one, the handle front end articulates on the fixed block through pivot two, the flange side is interlude has the card post, the pull ring has been placed on card post top, the card post alternates in spring dog one, spring dog one is fixed on the flange lateral wall, card post lower extreme is fixed with spring dog two, reset spring pegs graft on the card post.

Preferably: the pull ring, the first spring stop block, the reset spring, the second spring stop block and the clamping column are all two, the top end of the clamping column is in hemispherical connection with the side wall of the air outlet pipe in an inserting mode, the reset spring is placed between the first spring stop block and the second spring stop block, and the second spring stop block is in a cross shape.

Preferably, the hook groove, the pulling piece, the strong spring, the sliding groove, the lock catch frame, the first rotating shaft, the second rotating shaft, the fixing block and the handle are all two.

Preferably, the flange is divided into a left half and a right half, and a bulge and a groove are formed in one end of the butt joint of the end faces of the flange.

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

1. the utility model provides a centrifugal fan outlet flange through setting the flange to two parts, through the cooperation of couple and pulling-on piece, powerful spring, hasp frame, pivot and handle, firmly fixes flange two parts in the centrifugal fan exit, through hasp locking flange, can be fixed firm with the flange, change the maintenance easily again.

2. The utility model provides a centrifugal fan outlet flange can be connected the pipeline directly through the mode of pegging graft with the flange through set up the pipeline draw-in groove in the flange to add parts such as card post, reset spring, can fix the spring.

Drawings

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

FIG. 2 is a schematic view of a flange structure;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

fig. 4 is an enlarged view of the structure at B in fig. 2.

In the figure: the air conditioner comprises a centrifugal fan 1, a flange 2, a pipeline clamping groove 21, an air outlet pipe 3, a hook 4, a hook groove 41, a pull piece 42, a strong spring 43, a sliding groove 44, a lock catch frame 45, a first rotating shaft 46, a second rotating shaft 47, a fixing block 48, a handle 49, a pull ring 5, a first spring stop 51, a return spring 52, a second spring stop 53 and a clamping column 54.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative work, all belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: an outlet flange of a centrifugal fan comprises a centrifugal fan 1 and a strong spring 43, handle 49, reset

spring

52, 1 exit joint of centrifugal fan has flange 2, it has pipeline draw-in groove 21 to open in the flange 2, pipeline draw-in groove 21 pegs graft and has a

tuber pipe

3, 2 outer wall of flange is fixed with couple 4, couple 4 hangs in couple groove 41, couple groove 41 is seted up on pulling-on piece 42, peg graft in spout 44 at pulling-on piece 42 rear end, spout 44 is seted up at 45 lateral walls of hasp frame, it articulates on hasp frame 45 through pivot 46 at the handle 49 middle part, the handle 49 front end articulates on fixed block 48 through pivot two 47, flange 2 side interlude has calorie post 54, pull ring 5 has been placed on calorie post 54 top, calorie post 54 alternates in spring dog 51, spring dog 51 is fixed on the flange 2 lateral wall, calorie post 54 lower extreme is fixed with spring dog two 53, reset spring 52 pegs graft on calorie post 54.

The pull ring 5, the first spring stop dog 51, the reset spring 52, the second spring stop dog 53 and the clamping column 54 are all two, the top end of the clamping column 54 is inserted into the side wall of the air outlet pipe 3 in a hemispherical manner, the reset spring 52 is placed between the first spring stop dog 51 and the second spring stop dog 53, and the second spring stop dog 53 is in a cross shape.

Two hook grooves 41, pull tabs 42, strong springs 43, sliding grooves 44, a lock catch frame 45, a first rotating shaft 46, a second rotating shaft 47, a fixing block 48 and a handle 49.

The flange 2 is divided into a left half and a right half, and one end of the butt joint of the end faces of the flange 2 is provided with a bulge and the other end is provided with a groove.

The working principle is as follows: when the air outlet pipe locking device is used, the flange 2 is buckled at the air outlet of the centrifugal fan 1, the hook 4 is fixed at the left half side of the flange 2, the fixing block 48 is fixed at the right half side of the overflow 2, the handle 49 is lifted upwards, the top end of the handle 49 rotates around the second rotating shaft 47, the second rotating shaft 47 is inserted in the fixing block 48, so that the handle 49 can only do circular motion around the second rotating shaft 47, when the handle 49 is lifted, the first rotating shaft 46 drives the lock catch frame 45 to move forwards, the lock catch frame 45 pushes the pull sheet 42 to move forwards, at the moment, the hook 4 is hung in the hook groove 41, the handle 49 is pressed downwards, the lock catch frame 45 moves backwards, the strong spring 43 is compressed, the pull sheet 42 tensions the hook 4, so that the left flange half part and the right flange half part 2 are locked, after the flange 2 is locked, the clamping column 54 is lifted through the pull ring 5, the air outlet pipe 3 is, the locking column 54 is locked in the hole on the side wall of the air outlet pipe 3 under the elastic force of the return spring 52, so that the air outlet pipe 3 is locked in the pipe locking groove 21 of the flange 2.

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 outlet flange, includes centrifugal fan (1), powerful spring (43), handle (49), reset spring (52), its characterized in that: the centrifugal fan is characterized in that a flange (2) is clamped at an outlet of the centrifugal fan (1), a pipeline clamping groove (21) is formed in the flange (2), an air outlet pipe (3) is inserted in the pipeline clamping groove (21), a hook (4) is fixed on the outer wall of the flange (2), the hook (4) is hung in a hook groove (41), the hook groove (41) is formed in a pull piece (42), the rear end of the pull piece (42) is inserted in a sliding groove (44), the sliding groove (44) is formed in the side wall of a lock catch frame (45), the middle of a handle (49) is hinged to the lock catch frame (45) through a rotating shaft I (46), the front end of the handle (49) is hinged to a fixing block (48) through a rotating shaft II (47), a clamping column (54) is inserted in the side edge of the flange (2), a pull ring (5) is placed at the top end of the clamping column (54), and the clamping column (54) is inserted in a spring stop block, the first spring stop block (51) is fixed on the side wall of the flange (2), the second spring stop block (53) is fixed at the lower end of the clamping column (54), and the reset spring (52) is inserted into the clamping column (54).

2. The centrifugal fan outlet flange according to claim 1, wherein: the air outlet pipe is characterized in that the pull ring (5), the spring stop block I (51), the reset spring (52), the spring stop block II (53) and the clamping column (54) are arranged in two, the top end of the clamping column (54) is inserted into the side wall of the air outlet pipe (3) in a hemispherical mode, the reset spring (52) is placed between the spring stop block I (51) and the spring stop block II (53), and the spring stop block II (53) is in a cross shape.

3. The centrifugal fan outlet flange according to claim 1, wherein: the hook comprises two hook grooves (41), two pull tabs (42), two strong springs (43), two sliding grooves (44), two lock catch frames (45), two rotating shafts (46), two rotating shafts (47), two fixing blocks (48) and two handles (49).

4. The centrifugal fan outlet flange according to claim 1, wherein: the flange (2) is divided into a left half and a right half, one end of the butt joint of the end faces of the flange (2) is provided with a bulge, and the other end of the butt joint of the end faces of the flange is provided with a groove.