CN209053838U - A kind of low-noise centrifugal fan - Google Patents
A kind of low-noise centrifugal fan Download PDFInfo
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- CN209053838U CN209053838U CN201821574557.6U CN201821574557U CN209053838U CN 209053838 U CN209053838 U CN 209053838U CN 201821574557 U CN201821574557 U CN 201821574557U CN 209053838 U CN209053838 U CN 209053838U
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- round bar
- low
- centrifugal fan
- cam
- bar
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Abstract
The utility model relates to ventilation equipment technical fields, and disclose a kind of low-noise centrifugal fan, including pedestal, centrifugal blower ontology is fixedly installed in the middle part of the pedestal top, the positive side in pedestal top is fixedly installed with motor, fixing sleeve is connected to cam on the output shaft of the motor, the middle part on blower front top and the middle part of bottom end are fixedly installed with bracket respectively, the equal movable sleeve in the middle part of two brackets is connected to round bar, and the external fixing sleeve of the round bar is connected to the fixed block between two brackets.The low-noise centrifugal fan, pass through being used cooperatively for reset spring, fixed block, bracket, cam and motor, allow the up and down motion of round bar interval, and then allows hairbrush with the up and down motion of round bar interval and clean the dust of screen surface accumulation, the dust blocking strainer for preventing screen surface from accumulating, to achieve the purpose that low-noise centrifugal fan can automatically remove the dust of screen surface accumulation.
Description
Technical field
The utility model relates to ventilation equipment technical field, specially a kind of low-noise centrifugal fan.
Background technique
Centrifugal blower is to improve gas pressure by the mechanical energy of input and supply gas side by side the machinery of body, it is a kind of driven
Fluid machinery, centrifugal blower is widely used in the ventilation of factory, mine, tunnel, cooling tower, vehicle, ship and building, dust discharge
And cooling；The ventilation of boiler and industrial furnace and air inducing.
In order to be aerated to building and ship, centrifugal blower dispatch gas usually can be all used, in order to prevent air
In dust entered in ventilation shaft by the air intake vent of centrifugal blower, usually can all be added in the inside of centrifugal blower air intake vent
Strainer is not easy to replace strainer when strainer damages since strainer is mounted on the inside of centrifugal blower, and
It props up in use, dust accretions can block strainer on the surface of strainer, and then influence the drafting efficiency of centrifugal blower, it is therefore desirable to
Operator's regularly dust on manual cleaning strainer, it is time-consuming and laborious, a kind of low-noise centrifugal fan is released thus.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of low-noise centrifugal fan, has and is conveniently replaceable filter
Net can clear up the advantages of dust on strainer automatically, solve the inside that strainer is mounted on centrifugal blower, therefore be not easy to filtering
Network loss bad when, replaces strainer, and is propping up in use, dust accretions can block strainer, Jin Erying on the surface of strainer
Ring the drafting efficiency of centrifugal blower, it is therefore desirable to which operator's regularly dust on manual cleaning strainer, time-consuming and laborious asks
Topic.
The utility model provides the following technical solutions: a kind of low-noise centrifugal fan, including pedestal, the pedestal top
Middle part is fixedly installed with centrifugal blower ontology, and the positive side in pedestal top is fixedly installed with motor, the motor it is defeated
Fixing sleeve is connected to cam on shaft, and the middle part on centrifugal blower ontology front top and the middle part of bottom end are fixedly installed with respectively
Bracket, the equal movable sleeve in the middle part of two brackets are connected to round bar, and the external fixing sleeve of the round bar is connected to positioned at two brackets
Between fixed block, the external activity of the round bar is socketed with the reset spring above fixed block, the middle part of the round bar
It is fixedly installed with hairbrush, the quantity of the hairbrush is two, and the middle part of centrifugal blower ontology front two sides is fixed respectively to pacify
Equipped with L shape bar, the top of two L shape bars has been movably connected with square bar, and one end of two square bars is fixedly connected with
There is strainer, screw thread is socketed with screw rod, the external movable sleeve respectively of two screw rods respectively at the middle part of two described L shape bar one end
It is connected to ring spring, two positive sides of square bar offer circular groove respectively, and one end of two screw rods extends through
And the inside of two circular grooves is extended to, the outside of two screw rods is connect with the internal slide of two circular grooves respectively, the bottom
Seat offers rectangular opening in the middle part of top.
Preferably, the both ends of the round bar are circle, and the round bar is located at the surface of cam, and the bottom end of round bar has
The slide outside of cam connects.
Preferably, one end of the reset spring is fixedly connected with the bottom end of a bracket, the reset spring it is another
End is fixedly connected with the top of fixed block.
Preferably, the back side of two hairbrush and the front of strainer are slidably connected, and the width value of the hairbrush is greater than filter
The diameter value of net.
Preferably, one end of the ring spring is fixedly connected with the front of L shape bar, the other end of the ring spring with
One end of screw rod is fixedly connected.
Preferably, the rectangular opening is located at the underface of cam, and the external activity of the inside of rectangular opening and cam is socketed.
Be compared with the prior art, the utility model have it is following the utility model has the advantages that
1, the low-noise centrifugal fan makes to justify by being used cooperatively for reset spring, fixed block, bracket, cam and motor
Bar can interval up and down motion, and then allow hairbrush with the up and down motion of round bar interval and clean screen surface accumulation
Dust, the dust blocking strainer for preventing screen surface from accumulating, so that filter can automatically be removed by having reached low-noise centrifugal fan
The purpose of the dust of net surface accumulation.
2, the low-noise centrifugal fan keeps strainer light by being used cooperatively for screw rod, circular groove, L shape bar and square bar
The air inlet for being fixed on centrifugal blower ontology on or separate with the air inlet of centrifugal blower ontology, and then facilitate strainer
Replacement, to reach the purpose that low-noise centrifugal fan is conveniently replaceable strainer.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the L shape bar schematic diagram of the utility model structure.
In figure: 1, pedestal；2, centrifugal blower ontology；3, motor；4, cam；5, bracket；6, round bar；7, fixed block；8, multiple
Position spring；9, hairbrush；10, L shape bar；11, square bar；12, strainer；13, screw rod；14, ring spring；15, circular groove；16, rectangular opening.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of low-noise centrifugal fan referring to FIG. 1-2, including pedestal 1, be fixedly installed in the middle part of 1 top of pedestal from
Heart fan body 2, the positive side in 1 top of pedestal are fixedly installed with motor 3, and fixing sleeve is connected to cam on the output shaft of motor 3
4, the middle part on the positive top of centrifugal blower ontology 2 and the middle part of bottom end are fixedly installed with bracket 5, the middle part of two brackets 5 respectively
Equal movable sleeve is connected to round bar 6, and the both ends of round bar 6 are circle, and round bar 6 is located at the surface of cam 4, and the bottom end of round bar 6 has
The slide outside of cam 4 connects, and since the both ends of round bar 6 are circle, reduces the contact area between round bar 6 and cam 4,
Frictional force between the two is reduced in turn, and when rotating cam 4, the bottom end of round bar 6 can smoothly be slided on the surface of cam 4
Dynamic, to improve the practicability of low-noise centrifugal fan, the external fixing sleeve of round bar 6 is connected between two brackets 5
Fixed block 7, the external activity of round bar 6 are socketed with the reset spring 8 above fixed block 7, one end of reset spring 8 with one
The bottom end of bracket 5 is fixedly connected, and the other end of reset spring 8 is fixedly connected with the top of fixed block 7, by reset spring 8, admittedly
Determine being used cooperatively for block 7, bracket 5, cam 4 and motor 3, allow the up and down motion of 6 interval of round bar, and then makes hairbrush 9 can be with
With 6 interval of round bar up and down motion and clean the dust of 12 surface of strainer accumulation, the dust for preventing 12 surface of strainer from accumulating is stifled
Strainer 12 is filled in, to achieve the purpose that low-noise centrifugal fan can automatically remove the dust of 12 surface of strainer accumulation, circle
The middle part of bar 6 is fixedly installed with hairbrush 9, and the back side of two hairbrush 9 and the front of strainer 12 are slidably connected, the width value of hairbrush 9
Greater than the diameter value of strainer 12, it ensure that hairbrush 9 can will be accumulated with when about 6 intermittent movement of round bar on 12 surface of strainer
Dust all remove, the quantity of hairbrush 9 is two, and the middle part of the positive two sides of centrifugal blower ontology 2 is fixedly installed with L shape respectively
Bar 10, the top of two L shape bars 10 have been movably connected with square bar 11, and one end of two square bars 11 is fixedly connected to strainer
12, screw thread is socketed with screw rod 13 respectively at the middle part of two 10 one end of L shape bar, and pivot bush unit has ring respectively for the outside of two screw rods 13
One end of shape spring 14, ring spring 14 is fixedly connected with the front of L shape bar 10, the other end and screw rod 13 of ring spring 14
One end be fixedly connected, by ring spring 14, allow the patch of screw thread tightly on the screw thread and L shape bar 10 on screw rod 13
It closes, the vibration for preventing centrifugal blower ontology 2 from generating when used for a long time loosens screw rod 13, the two positive side of square bar 11 difference
Offer circular groove 15, one end of two screw rods 13 extends through and extends to the inside of two circular grooves 15, two screw rods 13 it is outer
Portion is connect with the internal slide of two circular grooves 15 respectively, and rectangular opening 16 is offered in the middle part of 1 top of pedestal, and rectangular opening 16 is located at convex
The underface of wheel 4, and the external activity of the inside of rectangular opening 16 and cam 4 is socketed, ensure that will not be with pedestal when cam 4 rotates
1 collision in turn results in the damage of cam 4.
Two square bars 11 are placed on two L shape bars 10 first, rotate clockwise screw rod 13, make screw rod 13 by working principle
Be moved to the inside of circular groove 15, and squeeze ring spring 14, when screw rod 13 one end and circular groove 15 inside a side contacts after, after
Continuous rotation screw rod 13, keeps screw rod 13 mobile with electric filter 12, when strainer 12 with the air inlet of centrifugal blower ontology 2 being bonded tightly
When, stop operating screw rod 13, then opens the power supply of motor 3, and the output shaft rotation band moving cam 4 of motor 3 rotates, and 4 turns of cam
The restoring force for moving and passing through reset spring 8 makes about 6 intermittent movement of fixed block 7 and round bar, and round bar 6 is with about 9 interval of electric brush
It moves and clears up the dust on strainer 12, finally after the dust complete liquidation on strainer 12, close motor 3.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of low-noise centrifugal fan, including pedestal (1), it is characterised in that: the middle part on pedestal (1) top is fixedly mounted
Have centrifugal blower ontology (2), the positive side in pedestal (1) top is fixedly installed with motor (3), the motor (3) it is defeated
Fixing sleeve is connected to cam (4) on shaft, and the middle part on the positive top of the centrifugal blower ontology (2) and the middle part of bottom end are fixed respectively
It is equipped with bracket (5), the equal movable sleeve in middle part of two brackets (5) is connected to round bar (6), and the external of the round bar (6) is fixed
It is socketed with the fixed block (7) being located between two brackets (5), the external activity of the round bar (6) is socketed with positioned at fixed block (7)
The reset spring (8) of top is fixedly installed with hairbrush (9) in the middle part of the round bar (6), and the quantity of the hairbrush (9) is two,
The middle part of the positive two sides of the centrifugal blower ontology (2) is fixedly installed with L shape bar (10) respectively, two L shape bars (10)
Top has been movably connected with square bar (11), and one end of two square bars (11) is fixedly connected to strainer (12), two institutes
Stating the middle part of L shape bar (10) one end, screw thread is socketed with screw rod (13) respectively, the external movable sleeve respectively of two screw rods (13)
It is connected to ring spring (14), two positive sides of the square bar (11) offer circular groove (15) respectively, two screw rods
(13) one end extends through and extends to the inside of two circular grooves (15), the outside of two screw rods (13) respectively with two
The internal slide of circular groove (15) connects, and offers rectangular opening (16) in the middle part of pedestal (1) top.
2. a kind of low-noise centrifugal fan according to claim 1, it is characterised in that: the both ends of the round bar (6) are
Circle, the round bar (6) is located at the surface of cam (4), and the bottom end of round bar (6) has the slide outside of cam (4) to connect.
3. a kind of low-noise centrifugal fan according to claim 1, it is characterised in that: one end of the reset spring (8)
It is fixedly connected with the bottom end of a bracket (5), the other end of the reset spring (8) is fixedly connected with the top of fixed block (7).
4. a kind of low-noise centrifugal fan according to claim 1, it is characterised in that: the back side of two hairbrush (9)
It is slidably connected with the front of strainer (12), the width value of the hairbrush (9) is greater than the diameter value of strainer (12).
5. a kind of low-noise centrifugal fan according to claim 1, it is characterised in that: one end of the ring spring (14)
It is fixedly connected with the front of L shape bar (10), the other end of the ring spring (14) is fixedly connected with one end of screw rod (13).
6. a kind of low-noise centrifugal fan according to claim 1, it is characterised in that: the rectangular opening (16) is located at cam
(4) underface, and the external activity of the inside of rectangular opening (16) and cam (4) is socketed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821574557.6U CN209053838U (en) | 2018-09-25 | 2018-09-25 | A kind of low-noise centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821574557.6U CN209053838U (en) | 2018-09-25 | 2018-09-25 | A kind of low-noise centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209053838U true CN209053838U (en) | 2019-07-02 |
Family
ID=67049500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821574557.6U Expired - Fee Related CN209053838U (en) | 2018-09-25 | 2018-09-25 | A kind of low-noise centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209053838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976395A (en) * | 2019-12-09 | 2020-04-10 | 安徽天宇磁业股份有限公司 | Neodymium iron boron leftover bits belt cleaning device |
-
2018
- 2018-09-25 CN CN201821574557.6U patent/CN209053838U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976395A (en) * | 2019-12-09 | 2020-04-10 | 安徽天宇磁业股份有限公司 | Neodymium iron boron leftover bits belt cleaning device |
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| 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: 20190702 Termination date: 20210925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |