CN209195785U - A kind of detachable centrifugal fan - Google Patents
A kind of detachable centrifugal fan Download PDFInfo
- Publication number
- CN209195785U CN209195785U CN201822226061.6U CN201822226061U CN209195785U CN 209195785 U CN209195785 U CN 209195785U CN 201822226061 U CN201822226061 U CN 201822226061U CN 209195785 U CN209195785 U CN 209195785U
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- plate
- arc plate
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- sealing
- spiral case
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Abstract
The utility model discloses a kind of detachable centrifugal fans, belong to centrifugal fan field, detachable centrifugal fan includes casing, impeller inside right cabinet, motor for driving lobus dexter wheel to rotate, right cabinet includes spiral case arc plate, it is respectively arranged on the left plate and right side plate of right spiral case arc plate two sides, the one side edge of right spiral case arc plate is provided with left connection arc plate compatible with the edge shape of right spiral case arc plate, another side edge of right spiral case arc plate is provided with right connection arc plate compatible with the edge shape of right spiral case arc plate, right left plate is detachably connected on right left connection arc plate, right right side plate is detachably connected on right connection arc plate.Detachable centrifugal fan disclosed by the utility model, it can be achieved that casing fast assembling-disassembling, be easy to the maintenance of centrifugal fan.
Description
Technical field
The utility model relates to centrifugal fan field more particularly to a kind of detachable centrifugal fans.
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,
Shaft coupling is used to connect motor and blower, transmits torque, axis is for installing and fixing impeller.But the machine of existing centrifugal fan
Shell not can be completely disassembled usually, extremely inconvenient when installing casing with impeller, and break down in the impeller for being located at casing internal
When, not directly impeller is taken out, maintenance is cumbersome, and existing centrifugal fan is convenient for taking out impeller, in the side wall of casing
On need to open up the hole of other large apertures in addition to air inlet, and in addition sealed with side plate, processing trouble, long processing time, and still
The not complete side plate of quick release.
Chinese patent literature notification number CN206860504U discloses a kind of centrifugal fan of fast demountable, including case
Body and belt wheel, cabinet is interior to be equipped with the main shaft stretched out to two sides, and cabinet two sides are equipped with bearing, bearing locking dress is equipped on the inside of bearing
It sets, oil scraper ring is equipped between each pair of bearing and bearing locking device, the bearing (ball) cover being fixed on cabinet is equipped on the outside of bearing, it is main
Axis one end is equipped with the wheel hub that connect by flat key, wheel hub is equipped with draught fan impeller, and the main shaft other end by flat key equipped with being connected
Taper axle sleeve, taper axle sleeve are mounted on belt wheel by housing screw, which solves and tear open between impeller and main shaft
Difficult technical problem is unloaded, but can not still realize the fast quick-detach installation of casing.
Utility model content
For overcome the deficiencies in the prior art, a kind of detachable the technical problem to be solved by the utility model is to propose
Formula centrifugal fan is easy to the maintenance of centrifugal fan, it can be achieved that the fast assembling-disassembling of casing and complete disassembly, and structure is simple, letter
Change manufacturing procedure.
The technical scheme adopted by the utility model is
A kind of detachable centrifugal fan provided by the utility model, including casing, set on the leaf of the casing internal
Wheel, the motor for driving the impeller rotation, the casing include spiral case arc plate, are respectively arranged on the spiral case arc plate two sides
Left plate and right side plate, the one side edge of the spiral case arc plate are provided with a left side compatible with the edge shape of the spiral case arc plate
Arc plate is connected, another side edge of the spiral case arc plate is provided with right connection compatible with the edge shape of the spiral case arc plate
Arc plate, the left plate are detachably connected on the left connection arc plate, and the right side plate is detachably connected to the right side
It connects on arc plate.
As the further improvement of this programme, the edge shape phase of the edge shape of the left plate and the spiral case arc plate
Adaptation, the edge shape of the right side plate are adapted with the edge shape of the spiral case arc plate.
As the further improvement of this programme, the left plate is connected by bolt with the left connection arc plate, described
Right side plate is connected by bolt with the right connection arc plate.
As the further improvement of this programme, the shape phase with the left connection arc plate is provided on the left connection arc plate
The left sealing arc band of adaptation, the left sealing arc band are set to the side far from the spiral case arc plate on the left connection arc plate, institute
It states left plate and is connected by the left sealing arc band with the left connection arc plate.
As the further improvement of this programme, it is close that a left side compatible with the left sealing arc band is provided on the left plate
Pressure zone is sealed, the left sealing pressure zone is set on the left plate close to the side of the left sealing arc band, the left sealing pressure zone
It is pressed on the left sealing arc band.
As the further improvement of this programme, along the length direction setting of the left sealing arc band on the left sealing arc band
There is left groove, the left groove is set to the side far from the left connection arc plate on the left sealing arc band, the left sealing pressure
The length direction taken along the left sealing pressure zone is provided with left raised line compatible with the left groove, and the left raised line is set to
Side far from the left plate on the left sealing pressure zone, the left raised line are pressed in the left groove.
As the further improvement of this programme, the shape phase with the right connection arc plate is provided on the right connection arc plate
The right sealing arc band of adaptation, the right sealing arc band are set to the side far from the spiral case arc plate on the right connection arc plate, institute
It states right side plate and is connected by the right sealing arc band with the right connection arc plate.
As the further improvement of this programme, it is close that the right side compatible with the right sealing arc band is provided on the right side plate
Pressure zone is sealed, the right sealing pressure zone is set on the right side plate close to the side of the right sealing arc band, the right sealing pressure zone
It is pressed on the right sealing arc band.
As the further improvement of this programme, along the length direction setting of the right sealing arc band on the right sealing arc band
There is right groove, the right groove is set to the side far from the right connection arc plate on the right sealing arc band, the right sealing pressure
The length direction taken along the right sealing pressure zone is provided with right raised line compatible with the right groove, and the right raised line is set to
Side far from the right side plate on the right sealing pressure zone, the right raised line are pressed in the right groove.
As the further improvement of this programme, snail is provided at the air outlet for being internally located at the casing of the casing
Tongue, the volute tongue are detachably connected on the spiral case arc plate.
Compared with prior art, the utility model has the beneficial effects that
A kind of detachable centrifugal fan provided by the utility model passes through setting spiral case arc plate, left plate and right side
Plate, and left connection arc plate and right connection arc plate is respectively set in the two sides of spiral case arc plate so that left plate removably with Zuo Lian
It connects arc plate to be connected, right side plate is removably connected with right connection arc plate, by the way that left plate and right side plate are assembled in spiral case
The installation of casing can be realized in the two sides of arc plate, and structure design is simple, conducive to the production and processing technology for simplifying casing, passes through dismounting
Left plate and right side plate can dismantle casing, so that the assembly and disassembly of casing more rapid and convenient, and convenient for casing internal
The components such as impeller safeguarded.By the way that left sealing arc band is arranged on left connection arc plate, it is arranged on right connection arc plate right close
Arc band is sealed, the sealing performance of casing can be effectively improved, and can prevent the dust particles of centrifugal fan internal transmission from leaking.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the detachable centrifugal fan provided in specific embodiment of the present invention
Figure；
Fig. 2 is A-A schematic cross-sectional view in the Fig. 1 provided in specific embodiment of the present invention；
Fig. 3 is that a kind of left view structure of the detachable centrifugal fan provided in specific embodiment of the present invention is shown
It is intended to；
Fig. 4 be a kind of detachable centrifugal fan for being provided in specific embodiment of the present invention removal impeller,
Structural schematic diagram after right side plate；
Fig. 5 be a kind of detachable centrifugal fan for being provided in specific embodiment of the present invention removal impeller,
Structural schematic diagram after right side plate, right connection arc plate.
In figure:
1, casing；3, impeller；4, motor；5, air outlet；10, spiral case arc plate；11, left plate；12, right side plate；13, Zuo Lian
Connect arc plate；14, right connection arc plate；2, bolt；130, left sealing arc band；110, left sealing pressure zone；131, left groove；111, left
Raised line；140, right sealing arc band；120, right sealing pressure zone；141, right groove；121, right raised line；15, volute tongue.
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 Figures 1 to 5, a kind of detachable centrifugal fan provided in this embodiment, including casing 1, be set to machine
Impeller 3 inside shell 1, the motor 4 for driving impeller 3 to rotate, motor 4 are set to the side of casing 1, and the shaft of motor 4 with
Impeller 3 is connected, and casing 1 includes spiral case arc plate 10, the left plate 11 and right side plate 12 for being respectively arranged on 10 two sides of spiral case arc plate, snail
The one side edge of shell arc plate 10 is provided with left connection arc plate 13 compatible with the edge shape of spiral case arc plate 10, left connection arc plate
13 are welded on spiral case arc plate 10, and another side edge of spiral case arc plate 10 is provided with to be adapted with the edge shape of spiral case arc plate 10
Right connection arc plate 14, right connection arc plate 14 is welded on spiral case arc plate 10, and left plate 11 is detachably connected to left connection arc
On plate 13, right side plate 12 is detachably connected on right connection arc plate 14, edge shape and the spiral case arc plate 10 of left plate 11
Edge shape is adapted, and the edge shape of right side plate 12 is adapted with the edge shape of spiral case arc plate 10, and left plate 11 passes through spiral shell
Bolt 2 is connected with left connection arc plate 13, and right side plate 12 is connected by bolt 2 with right connection arc plate 14.When assembling casing 1,
After impeller to be mounted on to 10 inside of spiral case arc plate, left plate 11 is aligned with the left side of spiral case arc plate 10 and pass through bolt 2 with
Left connection arc plate 13 is connected, and left connect offers several through-holes for being used to install bolt 2 on arc plate 13, on left plate 11
Several through-holes corresponding with the through-hole on left connection arc plate 13 are offered, right side plate 12 and the right side of spiral case arc plate 10 is right
Standard is simultaneously connected by bolt 2 with right connection arc plate 14, several are offered on right connection arc plate 14 for installing bolt 2
Through-hole also offers several through-holes corresponding with the through-hole on right connection arc plate 14 on right side plate 12, thus by 1 group of casing
It installs into, when casing 1 need to be dismantled, it is only necessary to back-out bolt 2, left plate 11 and right side plate 12 are removed, to realize machine
The Fast Installation and disassembly of shell 1, convenient for safeguarding to the equal components of impeller 3 inside casing 1, and structure design is simple, is conducive to
The production technology for simplifying casing 1, without in addition opening up the large aperture for impeller disengaging on side plate, one end of casing 1 is provided with
Air outlet 5, spiral case arc plate 10 are spiral case arc shape, left plate 11, smaller one end of right side plate 12 and spiral case arc plate 10 it is smaller
One end forms the air outlet 5 being connected with casing internal, and air inlet is offered on right side plate 12, and the shaft of motor 4 runs through left side
Plate 11 is connected with impeller 3, and the shaft of motor 4 can be connected by connector with left plate 11.
The shape with left connection arc plate 13 is further provided on left connection arc plate 13 for the sealing performance for improving casing 1
The compatible left sealing arc band 130 of shape, left sealing arc band 130 are bonded on left connection arc plate 13, and left sealing arc band 130 is set to a left side
The side on arc plate 13 far from spiral case arc plate 10 is connected, left plate 11 is connected by left sealing arc band 130 with left connection arc plate 13
It connects, left sealing pressure zone 110 compatible with left sealing arc band 130 is provided on left plate 11, left sealing pressure zone 110 is bonded in
On left plate 11, left sealing pressure zone 110 is set to close to the side of left sealing arc band 130 on left plate 11, and left sealing pressure zone 110 is pressed
It being located on left sealing arc band 130, left sealing arc band 130 and left sealing pressure zone 110 can be each configured to rubber material or silica gel material,
Bolt 2 is through left plate 11, left sealing pressure zone 110, left sealing arc band 130, left connection arc plate 13 by left plate 11 and spiral case arc
Plate 10 is connected, and improves left plate 11 and spiral case arc plate 10 by left sealing arc band 130 and left 110 phase extrusion fit of sealing pressure zone
The leakproofness of junction prevents from leaking out, further, along the length direction setting of left sealing arc band 130 on left sealing arc band 130
There is left groove 131, left groove 131 is set to the side far from left connection arc plate 13 on left sealing arc band 130, left sealing pressure zone 110
On along it is left sealing pressure zone 110 length direction be provided with left raised line 111 compatible with left groove 131, left raised line 111 is set to
Side far from left plate 11 on left sealing pressure zone 110, left raised line 111 are pressed in left groove 131, pass through left 111 He of raised line
The cooperation of left groove 131 can further improve the sealing performance of left plate 11 Yu 10 junction of spiral case arc plate, to effectively improve
The sealing performance of casing 1.
Further, right sealing arc band compatible with the right connection shape of arc plate 14 is provided on right connection arc plate 14
140, right sealing arc band 140 is bonded on right connection arc plate 14, and right sealing arc band 140 is set on right connection arc plate 14 far from spiral case
The side of arc plate 10, right side plate 12 are connected with right connection arc plate 14 by right sealing arc band 140, are provided on right side plate 12
Right sealing pressure zone 120 compatible with right sealing arc band 140, right sealing pressure zone 120 are bonded on right side plate 12, right sealing pressure zone
120 are set to close to the side of right sealing arc band 140 on right side plate 12, and right sealing pressure zone 120 is pressed on right sealing arc band 140,
Bolt 2 is through right side plate 12, right sealing pressure zone 120, right sealing arc band 140, right connection arc plate 14 by left side plate 12 and spiral case
Arc plate 10 is connected, and by right sealing arc band 140 and right 120 phase extrusion fit of sealing pressure zone, right side plate 12 and spiral case can be improved
The leakproofness of 10 junction of arc plate, prevents from leaking out, further, along the length side of right sealing arc band 140 on right sealing arc band 140
To right groove 141 is provided with, right groove 141 is set to the side far from right connection arc plate 14 on right sealing arc band 140, right sealing pressure
Length direction on 120 along right sealing pressure zone 120 is provided with right raised line 121 compatible with right groove 141, right raised line 121
The side far from right side plate 12 on right sealing pressure zone 120, right raised line 121 are pressed in right groove 141, pass through right raised line
121 and right groove 141 cooperation, can further improve the sealing performance of right side plate 12 Yu 10 junction of spiral case arc plate, to have
Effect improves the sealing performance of casing 1, prevents leaking out in 3 rotary course of impeller, guarantees going out for detachable centrifugal fan
Wind stabilization and wind pressure, and can prevent the dust particles of centrifugal fan internal transmission from leaking and polluting workshop condition.
It is reduction in the vortex in 1 air outlet of casing, 5 region and the influence to flow back to outlet air, further, the inside of casing 1
Volute tongue 15 is provided at the air outlet of casing 1, volute tongue 15 is detachably connected on spiral case arc plate 10, and volute tongue 15 passes through
It is bolted on spiral case arc plate 10, it is convenient to dismount, and the static pressure of centrifugal fan can be improved in the setting of volute tongue, effectively reduces
The vortex in 1 air outlet of casing, 5 region and the influence to flow back to outlet air, go out detachable centrifugal fan smooth can steadily
Wind.
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 detachable centrifugal fan including casing (1), is set to the casing (1) internal impeller (3), for driving
Move the motor (4) of the impeller (3) rotation, it is characterised in that:
The casing (1) includes spiral case arc plate (10), the left plate (11) for being respectively arranged on spiral case arc plate (10) two sides and the right side
Side plate (12)；
The one side edge of the spiral case arc plate (10) is provided with left company compatible with the edge shape of the spiral case arc plate (10)
Connect arc plate (13)；
Another side edge of the spiral case arc plate (10) is provided with the right side compatible with the edge shape of the spiral case arc plate (10)
It connects arc plate (14)；
The left plate (11) is detachably connected on the left connection arc plate (13)；
The right side plate (12) is detachably connected on the right connection arc plate (14).
2. a kind of detachable centrifugal fan according to claim 1, it is characterised in that:
The edge shape of the left plate (11) is adapted with the edge shape of the spiral case arc plate (10)；
The edge shape of the right side plate (12) is adapted with the edge shape of the spiral case arc plate (10).
3. a kind of detachable centrifugal fan according to claim 1, it is characterised in that:
The left plate (11) is connected by bolt (2) with the left connection arc plate (13)；
The right side plate (12) is connected by bolt (2) with the right connection arc plate (14).
4. a kind of detachable centrifugal fan according to claim 1, it is characterised in that:
Left sealing arc band compatible with the left connection shape of arc plate (13) is provided on left connection arc plate (13)
(130)；
Left sealing arc band (130) is set to the side far from the spiral case arc plate (10) on left connection arc plate (13)；
The left plate (11) is connected by the left sealing arc band (130) with the left connection arc plate (13).
5. a kind of detachable centrifugal fan according to claim 4, it is characterised in that:
The compatible left sealing pressure zone (110) with the left sealing arc band (130) is provided on the left plate (11)；
Left sealing pressure zone (110) is set on the left plate (11) close to the side of left sealing arc band (130)；
The left sealing pressure zone (110) is pressed on the left sealing arc band (130).
6. a kind of detachable centrifugal fan according to claim 5, it is characterised in that:
Length direction on left sealing arc band (130) along left sealing arc band (130) is provided with left groove (131)；
The left groove (131) is set to the side far from left connection arc plate (13) on left sealing arc band (130)；
Length direction on left sealing pressure zone (110) along left sealing pressure zone (110) is provided with and the left groove
(131) compatible left raised line (111)；
The left raised line (111) is set to the side far from the left plate (11) on left sealing pressure zone (110)；
The left raised line (111) is pressed in the left groove (131).
7. a kind of detachable centrifugal fan according to claim 1, it is characterised in that:
Right sealing arc band compatible with the right connection shape of arc plate (14) is provided on right connection arc plate (14)
(140)；
Right sealing arc band (140) is set to the side far from the spiral case arc plate (10) on right connection arc plate (14)；
The right side plate (12) is connected by the right sealing arc band (140) with the right connection arc plate (14).
8. a kind of detachable centrifugal fan according to claim 7, it is characterised in that:
The compatible right sealing pressure zone (120) with the right sealing arc band (140) is provided on the right side plate (12)；
Right sealing pressure zone (120) is set on the right side plate (12) close to the side of right sealing arc band (140)；
The right sealing pressure zone (120) is pressed on the right sealing arc band (140).
9. a kind of detachable centrifugal fan according to claim 8, it is characterised in that:
Length direction on right sealing arc band (140) along right sealing arc band (140) is provided with right groove (141)；
The right groove (141) is set to the side far from right connection arc plate (14) on right sealing arc band (140)；
Length direction on right sealing pressure zone (120) along right sealing pressure zone (120) is provided with and the right groove
(141) compatible right raised line (121)；
The right raised line (121) is set to the side far from the right side plate (12) on right sealing pressure zone (120)；
The right raised line (121) is pressed in the right groove (141).
10. a kind of detachable centrifugal fan according to claim 1, it is characterised in that:
Volute tongue (15) are provided at the air outlet for being internally located at the casing (1) of the casing (1)；
The volute tongue (15) is detachably connected on the spiral case arc plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822226061.6U CN209195785U (en) | 2018-12-27 | 2018-12-27 | A kind of detachable centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822226061.6U CN209195785U (en) | 2018-12-27 | 2018-12-27 | A kind of detachable centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195785U true CN209195785U (en) | 2019-08-02 |
Family
ID=67430587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822226061.6U Expired - Fee Related CN209195785U (en) | 2018-12-27 | 2018-12-27 | A kind of detachable centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195785U (en) |
-
2018
- 2018-12-27 CN CN201822226061.6U patent/CN209195785U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20201227 |