CN208918867U - A kind of centrifugal blower - Google Patents
A kind of centrifugal blower Download PDFInfo
- Publication number
- CN208918867U CN208918867U CN201821869316.4U CN201821869316U CN208918867U CN 208918867 U CN208918867 U CN 208918867U CN 201821869316 U CN201821869316 U CN 201821869316U CN 208918867 U CN208918867 U CN 208918867U
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- frame
- side arm
- blower
- fixed
- volute
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Abstract
A kind of centrifugal blower, including being provided with the volute of blower of air inlet and air outlet and being mounted on the draught fan impeller of volute of blower；It is connected with shaft in the middle part of the draught fan impeller, further includes fixed frame；The fixed frame includes side arm and the after-frame with side arm integrally connected；The side arm bottom end connects after-frame by fixed plate；Upper end and left side central portion connect after-frame by upper fixed angle plate and lower fixed angle plate respectively on the left of the side arm；After-frame is connected by fixed link on the right side of the side arm upper end；The volute of blower is fixed between side arm and after-frame；Motor mounting rack is welded on rear side of the after-frame；Motor has been bolted on the motor mounting rack.The utility model fixed frame includes side arm and the after-frame with side arm integrally connected, it is less prone to side arm and after-frame height different problems after installation, and using the bolt looseness of side arm or after-frame, frame body also are not easy to shake long afterwards.
Description
Technical field
The utility model relates to a kind of centrifugal blowers.
Background technique
Centrifugal blower generally comprises volute of blower, and volute of blower is fixed by fixed frame, existing fixed frame generally by
Side arm, after-frame are constituted, and side arm, after-frame be all independent frame body, are bolted volute of blower connecting upper side arm, and after-frame
Also by being bolted volute of blower, to be easy to appear side arm, the height of after-frame different installing；And use long afterwards side arm or after
The bolt looseness of frame is easy the frame body shake of the loosening.
Utility model content
The utility model is exactly to solve to provide a kind of side arm and after-frame and be integrated the centrifugal blower technical problem of connection.
In order to solve the above technical problems, a kind of technical solution of centrifugal blower of the utility model are as follows:
Including being provided with the volute of blower of air inlet and air outlet and being mounted on the draught fan impeller of volute of blower；The wind
It is connected with shaft in the middle part of machine impeller, further includes fixed frame；The fixed frame includes side arm and the after-frame with side arm integrally connected；
The side arm bottom end connects after-frame by fixed plate；Upper end and left side central portion pass through upper fixed angle plate respectively on the left of the side arm
And lower fixed angle plate connects after-frame；After-frame is connected by fixed link on the right side of the side arm upper end；The volute of blower is fixed on
Between side arm and after-frame；Motor mounting rack is welded on rear side of the after-frame；Electricity has been bolted on the motor mounting rack
Machine；Vertical connecting rod is connected in the middle part of the side arm；The vertical connecting rod side connects side arm by transverse connecting rod, another
Bearing fixed seat has been bolted in side；Bearing is connected on the bearing fixed seat；Described shaft one end connects bearing, separately
One end passes through volute of blower and connects motor.
The volute of blower upper end passes through the first screw connection side arm and after-frame respectively, and lower end passes through the second screw respectively
Connection side arm and after-frame, right end pass through third screw connection side arm and after-frame respectively；On its air outlet of the volute of blower
End passes through fixed angle plate under the 5th screw connection by fixed angle plate in the 4th screw connection, air outlet lower end.
Positioning arc slot is provided in the fixed plate；The volute of blower is located above positioning arc slot.
What the utility model can achieve have the technical effect that the utility model fixed frame includes side arm and with side arm one
The after-frame of connection, it is less prone to side arm and after-frame height different problems after installation, and is using side arm long afterwards or after-frame
Bolt looseness, frame body are also not easy to shake.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments:
Fig. 1 is a kind of pre-structure schematic diagram of centrifugal blower of the utility model；
Fig. 2 is a kind of rear structural schematic diagram of centrifugal blower of the utility model；
Fig. 3 is the structural schematic diagram of fixed frame.
Specific embodiment
Further details of elaboration is made to the utility model with reference to the accompanying drawing.
Refering to fig. 1 to Fig. 3.
A kind of centrifugal blower, including being provided with the volute of blower 3 of air inlet 1 and air outlet 2 and being mounted on volute of blower 3
Draught fan impeller 4；It is connected with shaft 5 in the middle part of the draught fan impeller 4, further includes fixed frame；The fixed frame include side arm 7 and
With the after-frame 8 of 7 integrally connected of side arm；7 bottom end of side arm connects after-frame 8 by fixed plate 6；The 7 left side upper end of side arm with
And left side central portion connects after-frame 8 by upper fixed angle plate 9 and lower fixed angle plate 10 respectively；Pass through on the right side of 7 upper end of side arm
Fixed link 11 connects after-frame 8；The volute of blower 3 is fixed between side arm 7 and after-frame 8；Motor is welded on rear side of the after-frame 8
Mounting rack 12；Motor 13 has been bolted on the motor mounting rack 12；Vertical connecting rod is connected in the middle part of the side arm 7
14；14 side of vertical connecting rod connects side arm 7 by transverse connecting rod 15, and the other side has been bolted bearing and has fixed
Seat 31；Bearing 16 is connected on the bearing fixed seat 31；Described 5 one end of shaft connects bearing 16, and the other end passes through blower snail
Shell 3 connects motor 13.
Specifically, 3 upper end of volute of blower passes through the first screw 17 connection side arm 7 and after-frame 8, lower end difference respectively
Side arm 7 and after-frame 8 are connected by the second screw 18, right end passes through third screw 19 respectively and connects side arm 7 and after-frame 8；Institute
It states its 2 upper end of air outlet of volute of blower 3 and upper fixed angle plate 9 is connected by the 4th screw 20,2 lower end of air outlet passes through the 5th spiral shell
Silk 21 connects lower fixed angle plate 10.
Specifically, being provided with positioning arc slot 22 in the fixed plate 6；The volute of blower 3 is located at 22 top of positioning arc slot.
Installation instructions: volute of blower 3 is first put between side arm 7 and after-frame 8 by the utility model, its outlet air of volute of blower 3
At mouth 2 between upper fixed angle plate 9 and lower fixed angle plate 10, its bottom end of volute of blower 3 is located at 22 top of positioning arc slot, it
Side arm 7 and 8 upper end of after-frame use the first screw 17 to connect volute of blower 3 respectively afterwards, and side arm 7 and 8 lower end of after-frame use the respectively
Two-screw 18 connects volute of blower 3, and side arm 7 and 8 right end of after-frame use third screw 19 to connect volute of blower 3, upper fixation respectively
Gusset 9 connects volute of blower 3 by the 4th screw 20, and lower fixed angle plate 10 connects 2 lower end of air outlet by the 5th screw 21, this
When volute of blower 3 is fixed completes；And draught fan impeller 4 is located in volute of blower 3, and shaft 5, shaft 5 are connected in the middle part of volute of blower 3
One end connects bearing 16, and the other end passes through volute of blower 3 and connects motor 13, and bearing 16 is connected to side arm by bearing fixed seat 31
On 7, motor 13 is fixed by motor mounting rack 12, and motor mounting rack 12 and after-frame 8 weld；Its side arm 7 of the utility model with
After-frame 8 uses integrated frame, it is different that height is less prone to after installing, and be also not easy to shake.
Claims (3)
1. a kind of centrifugal blower, including being provided with the volute of blower (3) of air inlet (1) and air outlet (2) and being mounted on blower
The draught fan impeller (4) of spiral case (3)；Shaft (5) are connected in the middle part of the draught fan impeller (4), it is characterised in that: further include fixing
Frame；The fixed frame includes side arm (7) and the after-frame (8) with side arm (7) integrally connected；Side arm (7) bottom end passes through solid
Fixed board (6) connects after-frame (8)；On the left of the side arm (7) upper end and left side central portion respectively by upper fixed angle plate (9) and under
Fixed angle plate (10) connects after-frame (8)；Pass through fixed link (11) connection after-frame (8) on the right side of side arm (7) upper end；The blower
Spiral case (3) is fixed between side arm (7) and after-frame (8)；Motor mounting rack (12) are welded on rear side of the after-frame (8)；The electricity
Motor (13) have been bolted on machine mounting rack (12)；Vertical connecting rod (14) are connected in the middle part of the side arm (7)；It is described
By transverse connecting rod (15) connection side arm (7), the other side has been bolted bearing and has fixed for vertical connecting rod (14) side
Seat (31)；Bearing (16) are connected on the bearing fixed seat (31)；Described shaft (5) one end connects bearing (16), the other end
Motor (13) are connected across volute of blower (3).
2. a kind of centrifugal blower according to claim 1, it is characterised in that: volute of blower (3) upper end passes through respectively
First screw (17) connects side arm (7) and after-frame (8), lower end pass through respectively the second screw (18) connection side arm (7) and after
Frame (8), right end pass through third screw (19) connection side arm (7) and after-frame (8) respectively；Described its air outlet of volute of blower (3)
(2) upper end is connected by fixed angle plate (9) in the 4th screw (20) connection, air outlet (2) lower end by the 5th screw (21)
Lower fixed angle plate (10).
3. a kind of centrifugal blower according to claim 1, it is characterised in that: be provided with positioning arc slot on the fixed plate (6)
(22)；The volute of blower (3) is located above positioning arc slot (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821869316.4U CN208918867U (en) | 2018-11-14 | 2018-11-14 | A kind of centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821869316.4U CN208918867U (en) | 2018-11-14 | 2018-11-14 | A kind of centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208918867U true CN208918867U (en) | 2019-05-31 |
Family
ID=66711869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821869316.4U Active CN208918867U (en) | 2018-11-14 | 2018-11-14 | A kind of centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208918867U (en) |
-
2018
- 2018-11-14 CN CN201821869316.4U patent/CN208918867U/en active Active
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