CN209195746U - A kind of high stable list air intake centrifugal ventilation blower - Google Patents
A kind of high stable list air intake centrifugal ventilation blower Download PDFInfo
- Publication number
- CN209195746U CN209195746U CN201822224504.8U CN201822224504U CN209195746U CN 209195746 U CN209195746 U CN 209195746U CN 201822224504 U CN201822224504 U CN 201822224504U CN 209195746 U CN209195746 U CN 209195746U
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- China
- Prior art keywords
- casing
- air intake
- high stable
- ventilation blower
- end cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of high stable list air intake centrifugal ventilation blowers, belong to centrifugal fan field, high stable list air intake centrifugal ventilation blower includes casing, set on the impeller of casing internal, the shaft being connected with impeller, the motor for drive shaft rotation set on side outside casing, it further include the rotary shaft rack set on casing side, electric machine support set on the casing other side, motor is fixed on electric machine support, one end of shaft extends to the outside of casing and is connected with rotary shaft rack, the other end of shaft extends to the outside of casing and is connected with the power output end of motor, single air inlet is offered on the side wall of rotary shaft rack on casing.High stable list air intake centrifugal ventilation blower disclosed by the utility model can be improved stability when impeller and shaft rotation, effectively reduce vibration and noise, extend service life of fan.
Description
Technical field
The utility model relates to centrifugal fan field more particularly to a kind of high stable list air intake centrifugal ventilation blowers.
Background technique
Centrifugal fan is mainly made of impeller, casing, motor, shaft coupling, axis, and impeller is to generate wind pressure and transmitting energy
Main work done component, casing is mainly used to introduce gas and gas is discharged, while the part kinetic energy of gas is become into pressure energy,
Axis is used to connect motor and axis for installing and fixing impeller, shaft coupling, transmits torque.Centrifugal fan is widely used in environmental protection
The occasions such as dedusting, pneumatic conveying, aerospace, coal dust firing often need large centrifugal ventilation blower just may be used in some factory applications
It satisfies the use demand, existing large centrifugal ventilation blower in the running, because casing and impeller are larger, is rotated in shaft and impeller
When stability it is poor, shaft easily occur beat and influence casing, be also easy to produce significant shock, issue larger noise, especially using
After a certain period of time, it will lead to and loosened between each component of centrifugal fan, vibration and noise aggravation seriously affect centrifugation ventilation
The service life of machine.
Utility model content
For overcome the deficiencies in the prior art, the technical problem to be solved by the utility model is to propose a kind of high stable
Single air intake centrifugal ventilation blower can be improved stability when impeller and shaft rotation, effectively reduce vibration and noise, and extending blower makes
Use the service life.
The technical scheme adopted by the utility model is
A kind of high stable list air intake centrifugal ventilation blower provided by the utility model, including casing, be set to the casing internal
Impeller, be connected with the impeller shaft, set on outside the casing side for driving the electricity of the shaft rotation
Machine, further includes rotary shaft rack, the electric machine support set on the casing other side set on the casing side, and the motor is fixed
On the electric machine support, one end of the shaft extends to the outside of the casing and is connected with the rotary shaft rack, institute
The other end for stating shaft extends to the outside of the casing and is connected with the power output end of the motor, leans on the casing
Single air inlet is offered on the side wall of the nearly rotary shaft rack.
It further include the bracket base below the casing and the motor, institute as the further improvement of this programme
The bottom end of the bottom end and the electric machine support of stating rotary shaft rack is each attached on the bracket base.
As the further improvement of this programme, the rotary shaft rack includes the bearing being connected with one end of the shaft
Seat, the left branching rod and right strut for being respectively arranged on two sides below the bearing block, one end of the left branching rod and the bearing block phase
Connection, the other end of the left branching rod are connected with the bracket base, and one end of the right strut is connected with the bearing block
It connects, the other end of the right strut is connected with the bracket base, the left branching rod, the right strut and the bracket base
Form triangular structure.
As the further improvement of this programme, the electric machine support includes several vertical supporting rods, is connected to several institutes
The fixed transverse rod between vertical supporting rod is stated, the motor is fixed on the top of several vertical supporting rods, the vertical supporting rod
Bottom end be fixed on the bracket base.
As the further improvement of this programme, the casing includes spiral case main body, is detachably connected to the snail respectively
The left end cover and right end cover plate of shell main body two sides, the both ends of the shaft extend through the left end cover and the right end cap
Plate.
As the further improvement of this programme, the two sides of the spiral case main body are respectively arranged with left through-hole and right through-hole, institute
It states left end cover lid to be located on the left through-hole, the right end cover plate lid is located on the right through-hole.
As the further improvement of this programme, the periphery in the spiral case main body positioned at the left through-hole is provided with anticlockwise
Connection ring is provided with anticlockwise annular groove compatible with the anticlockwise connection ring, the anticlockwise in the left end cover
Connection ring and the anticlockwise annular groove are coaxially set, and the anticlockwise connection ring can be relatively described in the anticlockwise annular groove
The rotation of anticlockwise annular groove.
As the further improvement of this programme, the periphery in the spiral case main body positioned at the right through-hole is provided with right rotation
Connection ring is provided with right rotation annular groove compatible with the right rotation connection ring, the right rotation in the right end cover plate
Connection ring and right rotation annular groove coaxial arrangement, the right rotation connection ring can be in the right rotation annular grooves with respect to institute
State the rotation of right rotation annular groove.
As the further improvement of this programme, the left end cover is connected by left connection strut with the electric machine support
It connects.
As the further improvement of this programme, the right end cover plate is connected by right connection strut with the rotary shaft rack
It connects.
Compared with prior art, the utility model has the beneficial effects that
A kind of high stable list air intake centrifugal ventilation blower provided by the utility model is respectively set by the two sides in casing and is turned
Bracing strut and electric machine support, motor is fixed on electric machine support, make motor can steady running, be stably driven with shaft and impeller
Rotation, by the way that the both ends of shaft to be all extended to the outside of casing and are connected respectively with motor and rotary shaft rack, makes shaft
Both ends are all connected with firm, and axial runout occurs when preventing shaft from rotating, the stability of shaft when rotated is effectively improved, to protect
It demonstrate,proves the impeller being connected in shaft and stablizes rotation, effectively reduce vibration and noise caused by shaft and impeller rotary jumping, extend
The service life of centrifugal fan；
By the way that the casing including spiral case main body, left end cover and right end cover plate is arranged, and set respectively in spiral case main body two sides
Anticlockwise connection ring and right rotation connection ring are set, anticlockwise annular groove and dextrorotation are respectively set in left end cover and right end cover plate
Turn annular groove, is rotated in anticlockwise annular groove by anticlockwise connection ring, right rotation connection ring is revolved in right rotation annular groove
Turn, spiral case main body can be made to rotate, so as to easily adjust the air-out direction of air outlet in spiral case main body.
Detailed description of the invention
Fig. 1 is a kind of left view knot of the high stable list air intake centrifugal ventilation blower provided in specific embodiment of the present invention
Structure schematic diagram；
Fig. 2 is a kind of main view knot of the high stable list air intake centrifugal ventilation blower provided in specific embodiment of the present invention
Structure schematic diagram；
Fig. 3 is the structural schematic diagram of the spiral case main body provided in specific embodiment of the present invention.
In figure:
1, casing；2, impeller；3, shaft；4, motor；5, rotary shaft rack；6, electric machine support；10, single air inlet；7, bracket
Pedestal；51, bearing block；52, left branching rod；53 right struts；61, vertical supporting rod；62, fixed transverse rod；11, spiral case main body；12, left end
Cover board；13, right end cover plate；14, air outlet；110, Zuo Tongkong；111, right through-hole；112, anticlockwise connection ring；120, anticlockwise
Annular groove；113, right rotation connection ring；130, right rotation annular groove；8, left connection strut；9, right connection strut；41, shaft coupling.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art and technical solution are briefly described, it should be apparent that, it is described below
Attached drawing be only some embodiments of the utility model, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.
The present invention will be further described with reference to the accompanying drawing.
As shown in Figure 1 to Figure 3, a kind of high stable list air intake centrifugal ventilation blower provided in this embodiment, including casing 1, set
Impeller 2 inside casing 1, the shaft 3 being connected with impeller 2, rotating for drive shaft 3 set on 1 outside side of casing
Motor 4, further include rotary shaft rack 5, the electric machine support 6 set on 1 other side of casing set on 1 side of casing, motor 4 is fixed on
On electric machine support 6, one end of shaft 3 extends to the outside of casing 1 and is connected with rotary shaft rack 5, and the other end of shaft 3 extends
To casing 1 outside and be connected by shaft coupling 41 with the power output end of motor 4, on casing 1 close to rotary shaft rack 5 side
Single air inlet 10 is offered on wall.It when work, is operated by motor 4, the power output shaft of motor 4 is turned by the driving of shaft coupling 41
Axis 3 rotates, the rotation of 3 impeller 2 of shaft, by by the both ends of shaft 3 be disposed as extending to the outside of casing 1 and respectively with
Motor 4 is connected with rotary shaft rack 5, the both ends of shaft 3 are all connected with it is firm, prevent shaft 3 rotate when axial runout occurs, have
Effect improves the stability of shaft 3 when rotated, to guarantee that the impeller 2 being connected in shaft 3 stablizes rotation, effectively reduces shaft
3 and 2 rotary jumping of impeller caused by vibration and noise, extend the service life of centrifugal fan, even the leaf of relatively large radius
Wheel, which is mounted in shaft 3, also can guarantee that stablizing for shaft 3 rotates.
For the stability for improving rotary shaft rack 5, further, high stable list air intake centrifugal ventilation blower further includes being set to casing
1 and the lower section of motor 4 bracket base 7, the bottom end of rotary shaft rack 5 and the bottom end of electric machine support 6 be each attached on bracket base 7,
It prevents rotary shaft rack 5 and electric machine support 6 from the rotation for influencing shaft 3 and impeller 2 relative to offset occurs, rotary shaft rack 5 can be improved
With electric machine support 6 respectively to the stability of strutting system of shaft 3 and motor 4, rotary shaft rack 5 includes being connected with one end of shaft 3
Bearing block 51, the left branching rod 52 and right strut 53 for being respectively arranged on 51 lower section two sides of bearing block, one end of left branching rod 52 passes through welding
Mode be connected with bearing block 51, the other end of left branching rod 52 can pass through welding or bolted mode and bracket base 7
It is connected, one end of right strut 53 is connected with bearing block 51 by welding, and the other end of right strut 53 can pass through weldering
Connect or bolted mode be connected with bracket base 7, bearing block 51 can guarantee shaft 3 with 5 junction of rotary shaft rack
Stablize rotation, left branching rod 52, right strut 53 and bracket base 7 form stable triangular structure, it is right to effectively improve rotary shaft rack 5
The stability that shaft 3 supports.
For the stability for improving electric machine support 6, further, electric machine support 6 includes several vertical supporting rods 61, is connected to
Fixed transverse rod 62 between several vertical supporting rods 61, motor 4 are fixed on the top of several vertical supporting rods 61, vertical supporting rod 61
Bottom end be fixed on bracket base 7, in the present embodiment, preferably vertical supporting rod 61 is four, forms square frame, and motor 4 is solid
Surely it is connected to the top of four vertical supporting rods 61, the bottom end of four vertical supporting rods 61 can be solid by welding or bolted mode
It is scheduled on bracket base 7, cross bar 62 is connected and fixed between two adjacent vertical supporting rods 61 and is reinforced, the whole knot of electric machine support 6
Structure is simple, it is ensured that the support stability of motor 4, makes it that can be stably driven with the rotation of shaft 3.
For the air-out direction convenient for adjusting high stable list air intake centrifugal ventilation blower, further, casing 1 includes spiral case main body
11, it is detachably connected to the left end cover 12 and right end cover plate 13 of 11 two sides of spiral case main body respectively, the both ends of shaft 3 are passed through respectively
Wear left end cover 12 and right end cover plate 13, left end cover 12 between spiral case main body 11 and motor 4, shaft 3 by bearing with
Left end cover 12 is connected, and for right end cover plate 13 between spiral case main body 11 and rotary shaft rack 5, single air inlet 10 is provided with right end
The middle part of cover board 13, shaft 3 run through single air inlet 10, and spiral case main body 11 is in scroll casing shape, inner hollow, one end of spiral case main body 11
It is provided with air outlet 14, the two sides of spiral case main body 11 are respectively arranged with the left through-hole 110 and right through-hole 111 of large aperture, for leaf
Wheel 2 enters installation, and the lid of left end cover 12 is located on left through-hole 110, and the lid of right end cover plate 13 is located on right through-hole 111, spiral case main body
Periphery on 11 left side wall positioned at left through-hole 110 is provided with anticlockwise connection ring 112, and anticlockwise connection ring 112 is welded on snail
On the left side wall of shell main body 11, anticlockwise annular groove compatible with anticlockwise connection ring 112 is provided in left end cover 12
120, anticlockwise connection ring 112 and anticlockwise annular groove 120 are coaxially disposed, and anticlockwise connection ring 112 can be in anticlockwise annular groove
It is rotated in 120 relative to anticlockwise annular groove 120, the periphery that right through-hole 111 is located on the right side wall of spiral case main body 11 is provided with the right side
Rotate connection ring 113, right rotation connection ring 113 is welded on the right side wall of spiral case main body 11, be provided in right end cover plate 13 with
The compatible right rotation annular groove 130 of right rotation connection ring 113, right rotation connection ring 113 and right rotation annular groove 130 are coaxially set
It sets, right rotation connection ring 113 can rotate in right rotation annular groove 130 relative to right rotation annular groove 130, anticlockwise connection ring
112 and right rotation connection ring 113 be coaxially disposed, left end cover 12 is connected by left connection strut 8 with electric machine support 6, Zuo Lian
Connecing strut 8 may be configured as multiple, and the both ends of left connection strut 8 are connected in vertical supporting rod 61 and left end cover 12, can be mentioned
The stability connected between high left end cover 12 and electric machine support 6, connection strut 8 can by welding or bolted mode with
Left end cover 12 and electric machine support 6 are connected, and right end cover plate 13 is connected by right connection strut 9 with rotary shaft rack 5, right connection
Strut 9 is set as two, and the both ends of one of them right connection strut 9 are connected with right end cover plate 13 and left branching rod 52 respectively, separately
The both ends of one right connection strut 9 are connected with right end cover plate 13 and right strut 53 respectively, and right end cover plate 13 and shaft can be improved
The stability that bracket 5 connects, right connection strut 9 can pass through welding or bolted mode and right end cover plate 13 and rotary shaft rack
5 are connected.By the connecting hole on bolt and 11 side wall of spiral case main body, (connecting hole is set to left through-hole to the outer rim of left end cover 12
110 periphery is provided with multiple) it is connected, the outer rim of right end cover plate 13 passes through the connection on bolt and 11 side wall of spiral case main body
Hole (connecting hole is set to the periphery of right through-hole 111, is provided with multiple) is connected, and when that need to adjust the air-out direction of casing 1, unscrews
Bolt, right end cover plate 13 between left end cover 12 and spiral case main body 11 and the bolt between spiral case main body 11 rotate spiral case master
Body 11, the anticlockwise connection ring 112 and right rotation connection ring 113 of 11 two sides of spiral case main body are respectively in 120 He of anticlockwise annular groove
It is rotated in right rotation annular groove 130, the air outlet 14 in spiral case main body 11 is made to rotate and adjust air-out direction, when regulating
Bolt in 12 outer rim of left end cover is screwed into connecting hole on 11 left side wall of spiral case main body again, by right end cover plate after rotation angle
Bolt in 13 outer rims is screwed into the connecting hole on 11 right side wall of spiral case main body, realize easily adjust high stable list enter the wind from
The air-out direction of heart ventilation blower.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any change or replacement expected without creative work be should be covered within the scope of the utility model.
Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.
Claims (10)
1. a kind of high stable list air intake centrifugal ventilation blower, including casing (1), be set to the casing (1) internal impeller (2), with
Shaft (3) that the impeller (2) is connected, be set to the casing (1) external side for driving the shaft (3) to rotate
Motor (4), it is characterised in that:
It further include the rotary shaft rack (5) set on the casing (1) side, the electric machine support set on the casing (1) other side
(6)；The motor (4) is fixed on the electric machine support (6)；
One end of the shaft (3) extends to the outside of the casing (1) and is connected with the rotary shaft rack (5)；Described turn
The other end of axis (3) extends to the outside of the casing (1) and is connected with the power output end of the motor (4)；
Single air inlet (10) are offered on the side wall of the rotary shaft rack (5) on the casing (1).
2. a kind of high stable list air intake centrifugal ventilation blower according to claim 1, it is characterised in that:
It further include the bracket base (7) below the casing (1) and the motor (4)；
The bottom end of the rotary shaft rack (5) and the bottom end of the electric machine support (6) are each attached on the bracket base (7).
3. a kind of high stable list air intake centrifugal ventilation blower according to claim 2, it is characterised in that:
The rotary shaft rack (5) includes the bearing block (51) being connected with one end of the shaft (3), is respectively arranged on the bearing
The left branching rod (52) and right strut (53) of two sides below seat (51)；
One end of the left branching rod (52) is connected with the bearing block (51), the other end of the left branching rod (52) and the branch
Frame pedestal (7) is connected；
One end of the right strut (53) is connected with the bearing block (51), the other end of the right strut (53) and the branch
Frame pedestal (7) is connected；
The left branching rod (52), the right strut (53) and the bracket base (7) form triangular structure.
4. a kind of high stable list air intake centrifugal ventilation blower according to claim 2, it is characterised in that:
The electric machine support (6) includes several vertical supporting rods (61), is connected between several described vertical supporting rods (61)
Fixed transverse rod (62)；
The motor (4) is fixed on the top of several vertical supporting rods (61)；
The bottom end of the vertical supporting rod (61) is fixed on the bracket base (7).
5. a kind of high stable list air intake centrifugal ventilation blower according to claim 1, it is characterised in that:
The casing (1) includes spiral case main body (11), the left end for being detachably connected to spiral case main body (11) two sides respectively
Cover board (12) and right end cover plate (13)；
The both ends of the shaft (3) extend through the left end cover (12) and the right end cover plate (13).
6. a kind of high stable list air intake centrifugal ventilation blower according to claim 5, it is characterised in that:
The two sides of the spiral case main body (11) are respectively arranged with left through-hole (110) and right through-hole (111)；
Left end cover (12) lid is located on the left through-hole (110)；
Right end cover plate (13) lid is located on the right through-hole (111).
7. a kind of high stable list air intake centrifugal ventilation blower according to claim 6, it is characterised in that:
Periphery on the spiral case main body (11) positioned at the left through-hole (110) is provided with anticlockwise connection ring (112)；
The compatible anticlockwise annular groove (120) with the anticlockwise connection ring (112) is provided on the left end cover (12)；
The anticlockwise connection ring (112) and the anticlockwise annular groove (120) coaxial arrangement；
The anticlockwise connection ring (112) can in the anticlockwise annular groove (120) the relatively described anticlockwise annular groove (120)
Rotation.
8. a kind of high stable list air intake centrifugal ventilation blower according to claim 7, it is characterised in that:
Periphery on the spiral case main body (11) positioned at the right through-hole (111) is provided with right rotation connection ring (113)；
The compatible right rotation annular groove (130) with the right rotation connection ring (113) is provided on the right end cover plate (13)；
The right rotation connection ring (113) and the right rotation annular groove (130) coaxial arrangement；
The right rotation connection ring (113) can in the right rotation annular groove (130) the relatively described right rotation annular groove (130)
Rotation.
9. a kind of high stable list air intake centrifugal ventilation blower according to claim 5, it is characterised in that:
The left end cover (12) is connected by left connection strut (8) with the electric machine support (6).
10. a kind of high stable list air intake centrifugal ventilation blower according to claim 5, it is characterised in that:
The right end cover plate (13) is connected by right connection strut (9) with the rotary shaft rack (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822224504.8U CN209195746U (en) | 2018-12-27 | 2018-12-27 | A kind of high stable list air intake centrifugal ventilation blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822224504.8U CN209195746U (en) | 2018-12-27 | 2018-12-27 | A kind of high stable list air intake centrifugal ventilation blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195746U true CN209195746U (en) | 2019-08-02 |
Family
ID=67430712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822224504.8U Expired - Fee Related CN209195746U (en) | 2018-12-27 | 2018-12-27 | A kind of high stable list air intake centrifugal ventilation blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195746U (en) |
-
2018
- 2018-12-27 CN CN201822224504.8U patent/CN209195746U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20201227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |