CN108758820A - Double-pivot fan structure and cabinet air conditioner - Google Patents
Double-pivot fan structure and cabinet air conditioner Download PDFInfo
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- CN108758820A CN108758820A CN201810779700.3A CN201810779700A CN108758820A CN 108758820 A CN108758820 A CN 108758820A CN 201810779700 A CN201810779700 A CN 201810779700A CN 108758820 A CN108758820 A CN 108758820A
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- spiral case
- motor
- blower fan
- bearing
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- 238000009434 installation Methods 0.000 claims abstract description 25
- 238000005119 centrifugation Methods 0.000 claims description 34
- 230000005611 electricity Effects 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 5
- 241000237858 Gastropoda Species 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000005728 strengthening Methods 0.000 claims 1
- 210000002435 tendon Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000013016 damping Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 208000012287 Prolapse Diseases 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0022—Centrifugal or radial fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a double-pivot fan structure and a cabinet air conditioner, wherein the fan structure comprises an installation plate, a volute, a centrifugal fan and a volute cover plate; the volute is fixedly arranged on the mounting plate; a centrifugal fan installation cavity is arranged in the volute; the volute cover plate is fixedly arranged on the volute and is positioned outside the centrifugal fan installation cavity; the centrifugal fan is arranged in the centrifugal fan mounting cavity; one end of the centrifugal fan is supported on the mounting plate, and the other end of the centrifugal fan is supported on the volute cover plate; the double-fulcrum fan structure and the cabinet air conditioner provided by the invention have simple and reasonable structures, and can effectively reduce the number of parts and screws, thereby improving the assembly efficiency; and this structure fan operating noise is littleer, the cost is lower, can effectively ensure air conditioner fan blade pivoted stationarity, reduces air conditioner running noise, reduces motor load, extension motor life.
Description
Technical field
The invention belongs to air conditioner component technology fields, and in particular to a kind of double fulcrum blower fan structures and cabinet air conditioner.
Background technology
Existing cabinet air-conditioner motor installation is all that one end is fixed on motor mounting plate, and the other end of fan blade is hanging, by
Big in fan blade weight, this design can form larger rotary inertia, and motor load is larger, and generate certain noise;And
Existing cabinet air-conditioner electric motor mounting structure is relative complex, part is more, causes efficiency of assembling relatively low.
Based on technical problem present in above-mentioned cabinet air-conditioner blower fan structure, there has been no relevant solutions;Therefore compel
Effective scheme to be sought be essential to solve the above problems.
Invention content
The purpose of the present invention is shortcoming present in view of the above technology, a kind of double fulcrum blower fan structures and cabinet are proposed
Formula air conditioner, it is intended to solve the problems, such as that noise is big in existing fan installing structure.
The present invention provides a kind of double fulcrum blower fan structures, including mounting plate, spiral case, centrifugal blower and spiral case cover board;Snail
Shell is fixedly installed on mounting plate;Centrifugal blower installation cavity is equipped in spiral case;Spiral case cover board is fixedly installed on spiral case, and is located at
Outside centrifugal blower installation cavity;Centrifugal blower is set in centrifugal blower installation cavity;One end of centrifugal blower is supported in mounting plate
On, the other end is supported on spiral case cover board.
Further, mounting plate includes back plate, left plate and right plate;Left plate and right plate are fixedly installed respectively
In the both sides of back plate;Spiral case is fixedly installed in back plate;Spiral case cover board is also fixedly connected with left plate with right plate respectively.
Further, spiral case is injection molding spiral case or foam spiral case;Spiral case is fixedly connected by screw with mounting plate.
Further, spiral case outer edge is equipped with multiple fixed blocks;Multiple fixed blocks are respectively arranged at the top of spiral case close to peace
The both sides and bottom of loading board are close to the both sides of mounting plate;Fixed block is equipped with screw hole;Spiral case is solid by bolts through bolt holes
Determine on a mounting board.
Further, centrifugal blower includes electric machine assembly and centrifugation blade;Electric machine assembly is fixedly installed on centrifugal blower
In installation cavity, and rotatably it is set on spiral case cover board across centrifugation blade by machine shaft.
Further, further include having bearing cushion rubber component;Spiral case cover plate central position is equipped with bearing cushion rubber mounting base;Bearing
Cushion rubber component is set in bearing cushion rubber mounting base;Machine shaft is rotatably set to bearing cushion rubber component across centrifugation blade
In bearing.
Further, bearing cushion rubber component includes bearing cushion rubber and bearing;Bearing is set in bearing cushion rubber;Bearing glue
Circle is clamped in bearing cushion rubber mounting base.
Further, the center of centrifugation blade is equipped with fan blade fixed card;Fan blade fixed card is located at centrifugation blade
Between spiral case cover board;Axle sleeve is additionally provided between centrifugation blade and electric machine assembly;Machine shaft passes through axle sleeve and fan blade fixing card
Centrifugation blade is simultaneously fixed on machine shaft by nut by piece.
Further, electric machine assembly includes motor;Motor is fixedly installed on by motor pressing plate on mounting plate;Motor pressure
Plate includes support plate and multiple supporting racks;Motor is clamped in supporting rack;Motor pressing plate is fixed on mounting plate by supporting rack
On.
Further, electric machine assembly further includes having motor clamp spring, upper motor rubber cushion and lower motor rubber cushion;Upper motor rubber cushion
It is sheathed on machine shaft, and is located at motor upper end;Lower motor rubber cushion is set to motor bottom;Installation cavity bottom is equipped with bulge loop;
Protrusion is equipped with fixing groove outside support plate centre position;Through-hole is equipped in fixing groove;Motor upper end is clamped on by upper motor rubber cushion
In fixing groove;Motor bottom is clamped on by lower motor rubber cushion in bulge loop.
Further, motor pressing plate further includes having reinforcing rib;Multiple supporting racks are circumferentially disposed along support plate;Support frame bottom
Bending forms L-type positioning plate;Reinforcing rib is set in support plate, and extends to positioning plate.
Further, spiral case cover board both sides are respectively equipped with screw pole;Left plate and right plate are equipped with screw hole;Spiral case lid
Plate passes through screw pole and screw hole to be separately fixed on left plate and right plate by screw.
Further, it is additionally provided with cell structure on spiral case cover board;Bearing cushion rubber mounting base is set to the center of cell structure
Position;Cell structure edge is arc-shaped.
Correspondingly, the present invention also provides a kind of cabinet air conditioners, include blower fan structure, and the blower fan structure is above-mentioned institute
The double fulcrum blower fan structures stated.
There is structure letter to answer, rationally, can effectively reduce zero for double fulcrum blower fan structures and cabinet air conditioner provided by the invention
Part and screw number, to promote efficiency of assembling;And structure blower fan operation noise smaller, cost are lower, can effectively really
The stationarity of air-conditioning fan blade rotation is protected, operation of air conditioner noise is reduced, reduces motor load, extend motor service life.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Below with reference to attached drawing, the invention will be further described:
Fig. 1 is a kind of double fulcrum blower fan structure explosive views of the present invention;
Fig. 2 is volute structure schematic diagram of the present invention;
Fig. 3 is motor component structure schematic diagram of the present invention;
Fig. 4 is motor pressure plate structure schematic diagram of the present invention;
Fig. 5 is spiral case of the present invention and motor assembling schematic diagram;
Fig. 6 is centrifugation blade structural schematic diagram of the present invention;
Fig. 7 is the parts Fig. 6 A enlarged diagrams;
Fig. 8 is bearing cushion rubber component structure diagram of the present invention;
Fig. 9 is bearing cushion rubber modular construction front view of the present invention;
Figure 10 is Fig. 9 along B-B sectional views;
Figure 11 is spiral case covering plate structure schematic diagram of the present invention;
Figure 12 is Figure 11 Local C enlarged diagrams;
Figure 13 is that spiral case cover board of the present invention is illustrated with left side plate assembly;
Figure 14 is that spiral case of the present invention is illustrated with left side plate assembly;
Figure 15 is spiral case covering plate structure schematic diagram of the present invention;
Figure 16 is the parts Figure 13 D enlarged diagrams;
Figure 17 is the parts Figure 15 E enlarged diagrams;
Figure 18 is the double fulcrum blower fan structure schematic diagrames of the present invention;
Figure 19 is Figure 18 along F-F sectional views;
Figure 20 is the parts Figure 19 G enlarged diagrams.
In figure:1, spiral case cover board;11,;Screw pole;2, bearing cushion rubber component;21, bearing cushion rubber;22, bearing;3, nut;
4, fan blade fixed card;5, centrifugation blade;6, motor pressing plate;61, support plate;62, supporting rack;63, through-hole;64, positioning plate;
65, reinforcing rib;7, electric machine assembly;71, motor clamp spring;72, upper motor rubber cushion;73, motor;74, lower motor rubber cushion;8, right side
Plate;9, spiral case;91, fixed block;92, bulge loop;10, back plate;20, left plate;201, screw hole;30, spiral case pressing plate;40, axle sleeve.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to figure 20, the present invention provides a kind of double fulcrum blower fan structures, including mounting plate, spiral case 9, centrifugation wind
Machine and spiral case cover board 1;Wherein, spiral case 9 is fixedly installed on mounting plate;And centrifugal blower installation cavity is equipped in spiral case 9;Snail
Housing-plate 1 is fixedly installed on spiral case 9, and outside centrifugal blower installation cavity, to play the work of 2 points of support centrifugal blowers
With;Centrifugal blower is set in centrifugal blower installation cavity;One end of centrifugal blower is supported on mounting plate, and the other end is supported in
On spiral case cover board 1;Using above-mentioned double fulcrum fan installing structures, to form 2 support constructions so that the fan blade of centrifugal blower
Rotation is more steady, noise is lower, and can reduce motor load, extends motor service life, at the same can also reduce part and
Screw number promotes efficiency of assembling.
Preferably, in conjunction with said program, as shown in fig. 1 to figure 20, in the present embodiment, mounting plate includes back plate 10, a left side
Side plate 20 and right plate 8;Left plate 20 and right plate 8 are fixedly installed on the both sides of back plate 10 respectively, to form concave installation
Harden structure;Further, spiral case 9 is fixedly installed on by screw in back plate 10;Spiral case cover board 1 also respectively with left plate 20 and the right side
Side plate 8 is fixedly connected, and reinforces firm effect to play;Further, 1 both sides of spiral case cover board are respectively equipped with screw pole 11;It is left
Side plate 20 and right plate 8 are equipped with screw hole 201;Spiral case cover board 1 passes through screw pole 11 and screw hole 201 solid respectively by screw
It is scheduled on left plate 20 and right plate 8.
Preferably, in conjunction with said program, as shown in fig. 1 to figure 20, in the present embodiment, spiral case 9 is injection molding spiral case or foam
Spiral case;And spiral case 9 is also fixedly connected with left plate 20 and right plate 8 respectively by screw;Further, since spiral case 9 is
Foamed material, though fixed by screw, and it is insecure, and install left plate and right plate after spiral case will appear it is crooked outward
Situation, therefore need to design spiral case pressing plate connection left plate and right plate to ensure that left plate and right plate be not crooked, and push down bubble
Foam spiral case is auxiliarily fixed;Further, spiral case is injection molding spiral case, is molded spiral case and there is no install insecure phenomenon, and spiral case
Each side there are one screw poles 11 for cover board 1, solid by screw with the screw hole 201 on left plate 20 and right plate 8 respectively
It is fixed, to replace spiral case pressing plate to connect the effect of left plate and right plate.
Preferably, in conjunction with said program, as shown in fig. 1 to figure 20, in the present embodiment, spiral case is injection molding spiral case, spiral case 9
Outer edge is equipped with multiple fixed blocks 91;In the present embodiment, totally four pieces of fixed block 91 is respectively arranged at 9 top of spiral case close to installation
The both sides and bottom of plate need solid using eight fixed blocks and eight screws close to the both sides of mounting plate compared to existing spiral case
It is fixed, reduce screw number, promotes efficiency of assembling;Fixed block 91 is equipped with screw hole;Spiral case 9 is solid by bolts through bolt holes
It is scheduled on the locating piece of back plate 10, locating piece is fixedly welded in back plate;Using the above scheme, by four screws by spiral case 9
It is fixed in back plate 10, this scheme can save four fixed blocks and four screws compared to foam Volute Design, and cancel motor
Mounting plates structure (motor mounting plate is welded in back plate), largely increases efficiency of assembling, cost-effective, and is molded
Spiral case is more firmly mounted stabilization;Bearing cushion rubber component is fixed on spiral case cover board simultaneously, can be made on bearing and spiral case
Motor installing hole concentricity is higher, reduces circular runout of the centrifugation blade in rotary course.
Preferably, in conjunction with said program, as shown in fig. 1 to figure 20, in the present embodiment, centrifugal blower includes electric machine assembly
7 and centrifugation blade 5;Electric machine assembly 7 is fixedly installed in centrifugal blower installation cavity, and passes through centrifugation blade 5 by machine shaft
Rotatably it is set on spiral case cover board 1;Specifically, further include having bearing cushion rubber component 2;1 center of spiral case cover board is equipped with axis
Hold cushion rubber mounting base;Bearing cushion rubber component 2 is set in bearing cushion rubber mounting base;Machine shaft passes through centrifugation blade 5 rotatable
It is set in the bearing of bearing cushion rubber component 2 so that bearing cushion rubber component 2 plays the role of two point-supported, raising centrifugal blowers
Stability.
Preferably, in conjunction with said program, as shown in fig. 1 to figure 20, in the present embodiment, bearing cushion rubber component 2 includes axis
Hold cushion rubber 21 and bearing 22;Bearing 22 is set in bearing cushion rubber 21;Bearing cushion rubber 21 is clamped in bearing cushion rubber mounting base;Tool
Body, bearing 22 is packed into 21 middle cavity of bearing cushion rubber, and to limit bearing displacement, bearing cushion rubber 21 uses flexible material
Matter, it is ensured that load and damage will not be generated to motor and machine shaft.
Preferably, in conjunction with said program, as shown in fig. 1 to figure 20, in the present embodiment, the centre bit of centrifugation blade 5 installs
There is fan blade fixed card 4;Fan blade fixed card 4 is between centrifugation blade 5 and spiral case cover board 1;And in centrifugation blade 5 and electricity
Axle sleeve 40 is additionally provided between thermomechanical components 7;Machine shaft passes through axle sleeve 40 and fan blade fixed card 4 and will centrifuge wind by nut 3
Leaf 5 is fixed on machine shaft, prevents the prolapse upwards in rotation process of centrifugation blade 5;Further, 1 edge of spiral case cover board
It is fixed by screw with 9 rabbet groove of spiral case;Specifically, centrifugation blade 5 is assembled with machine shaft cooperation, fan blade fixed card 4 fills
Enter in 5 medial launder of centrifugation blade, screws in nut and compress fan blade fixed card 4, prevent the prolapse upwards in rotation process, while wind
4 hole inner plane structure of leaf fixed card coordinates with the flat position of machine shaft, ensures that motor drives centrifugation blade to rotate synchronously.
Preferably, in conjunction with said program, as shown in fig. 1 to figure 20, in the present embodiment, electric machine assembly 7 includes motor card
Spring 71, upper motor rubber cushion 72, lower motor rubber cushion 74 and motor 73;Motor 73 is fixedly installed on back plate 10 by motor pressing plate 6
On;Specifically, upper motor rubber cushion 72 is sheathed on machine shaft, and is located at 73 upper end of motor;Lower motor rubber cushion 74 is set to electricity
73 bottom of machine;Upper motor rubber cushion 72 and lower motor rubber cushion 74 are mainly used for the installation and fixation of motor 73, can effectively play
Damping and the effect for reducing noise;Further, installation cavity bottom is equipped with circular bulge loop 92 and bottom groove;Bulge loop 92 is used for
Motor is supported and fixed, specifically, 73 bottom of motor is fixed on by lower motor rubber cushion 74 in bulge loop 92, and bottom groove is for electricity
Machine cabling;And buckle crimping is designed in bottom groove top edge, preventing motor lines from tilting influences centrifugation blade operating;Further
Ground, motor pressing plate 6 include support plate 61 and multiple supporting racks 62;61 centre position of support plate is protruding upward to be equipped with fixing groove;
Through-hole 63 is equipped in fixing groove;Motor 73 is clamped in supporting rack, and is fixed in bulge loop;Motor pressing plate 6 passes through supporting rack 62
It is fixed in back plate 10;Specifically, motor rubber cushion 74 corresponds among loading installation cavity bottom in bulge loop 92 assembly of motor 73 at present,
Motor pressing plate 6 is fixed with the cooperation of upper rubber cushion;The motor clamp spring 71 at machine shaft end supports centrifugation blade, plays support and limit
The effect of position;Upper motor rubber cushion 72 corresponds in the fixing groove being securely fitted among motor pressing plate 6 so that centrifugation blade 5 and electricity
73 fuselage of machine is not directly contacted with, to play the role of damping and reduce noise;Specifically, 6 bottom of motor pressing plate is equipped with screw hole,
And be connected by screw with spiral case 9, motor to be fixed.
Preferably, in conjunction with said program, as shown in fig. 1 to figure 20, in the present embodiment, motor pressing plate 6 includes support plate
61, multiple supporting racks 62 and reinforcing rib 65;Multiple supporting racks 62 are circumferentially uniformly arranged along support plate 61;It rolls over 62 bottom of supporting rack
Bending l-shaped positioning plate 64;Reinforcing rib 65 is set in support plate 61, and extends to positioning plate 64, to play reinforcement supporting rack
62 effect.
Preferably, in conjunction with said program, as shown in fig. 1 to figure 20, in the present embodiment, grid is additionally provided on spiral case cover board 1
Structure;Bearing cushion rubber mounting base is set to the center of cell structure, and cell structure edge is arc-shaped;Specifically, bearing
Cushion rubber component 2 is mounted on the center circle groove location of spiral case cover board 1, and grid edge is arc-shaped, can play guide functions, is substituted
Former baffle liner effect;1 center of spiral case cover board is equipped with bearing cushion rubber mounting base, for assembling bearing cushion rubber component;With bearing
Have the rib of diverging shape centered on cushion rubber mounting base outward to form cell structure, rib intermediate gaps for blower fan system into
Wind;Rib in direction windward most thin space is 3mm hereinafter, rib in vertical direction relatively thickness is 5mm or more;In the present embodiment, snail
The arc structure at 1 cell structure edge of housing-plate is identical as original design water conservancy diversion coil structures, and it is empty that baffle liner guiding equally may be implemented
The function of flow of air, and spiral case cover board is each side connect there are one screw pole with left side plate, substitution spiral case pressing plate connection
The effect of left side plate, therefore baffle liner and spiral case pressing plate can be cancelled, it is substituted by spiral case cover board, to simplify structure.
In conjunction with said program, double specific assemble sequences of fulcrum blower fan structure provided by the invention are:Spiral case → electric machine assembly
→ motor pressing plate → centrifugation blade → fan blade fixed card → nut → spiral case cover board (bearing cushion rubber component);Its middle (center) bearing cushion rubber
Component is initially charged in spiral case cover board, then is assembled together with spiral case cover board;Electric machine assembly is mounted on spiral case, motor under bottom
Rubber cushion is contacted with spiral case, plays damping, Noise Reduction;Spiral case bottom groove is used for motor cabling, and is equipped with buckle structure crimping;
The fixed motor of upper motor rubber cushion cooperation of the fixing groove and motor of motor pressing plate, and fixed by screw with spiral case;Centrifugation blade
It is supported by axle sleeve, is coordinated with machine shaft, ensure that centrifugation blade is rotated synchronously with motor by fan blade fixed card, and pass through spiral shell
Mother is fixed and clamped;Bearing cushion rubber component need to be first mounted in spiral case cover plate central circular groove, be assembled together with spiral case cover board, motor
Shaft end coordinates with bearing cushion rubber built-in bearing, and machine shaft transition shoulder is withstood on bearing inner race, to limit bearing cushion rubber group
Part slides downwards, thus forms the second fulcrum, to ensure that fan blade operating is more steady, reduces motor because fan blade rotary inertia produces
Raw load.
Correspondingly, in conjunction with said program, the present invention also provides a kind of cabinet air conditioners, include blower fan structure, the wind
Machine structure is double fulcrum blower fan structures described above;Using above-mentioned blower fan structure so that cabinet air conditioner operation more stablize,
Noise smaller, to improve user experience.
There is structure letter to answer, rationally, can effectively reduce zero for double fulcrum blower fan structures and cabinet air conditioner provided by the invention
Part and screw number, to promote efficiency of assembling;And structure blower fan operation noise smaller, cost are lower, can effectively really
The stationarity of air-conditioning fan blade rotation is protected, operation of air conditioner noise is reduced, reduces motor load, extend motor service life.
The above, only presently preferred embodiments of the present invention not do limitation in any form to the present invention.It is any ripe
Those skilled in the art is known, without departing from the scope of the technical proposal of the invention, all using technology contents described above
Many possible changes and modifications are made to technical solution of the present invention, or are revised as the equivalent embodiment of equivalent variations.Therefore, all
It is the content without departing from technical solution of the present invention, any change modification made to the above embodiment of technology according to the present invention,
Equivalent variations and modification belong to the protection domain of the technical program.
Claims (14)
1. a kind of double fulcrum blower fan structures, which is characterized in that including mounting plate, spiral case, centrifugal blower and spiral case cover board;It is described
Spiral case is fixedly installed on the mounting plate;Centrifugal blower installation cavity is equipped in the spiral case;The spiral case cover board fixed setting
In on the spiral case, and outside the centrifugal blower installation cavity;The centrifugal blower is set to the centrifugal blower installation
Intracavitary;One end of the centrifugal blower is supported on the mounting plate, and the other end is supported on the spiral case cover board.
2. double fulcrum blower fan structures according to claim 1, which is characterized in that the mounting plate includes back plate, left side
Plate and right plate;The left plate and the right plate are fixedly installed on the both sides of the back plate respectively;The spiral case is fixed
It is set in the back plate;The spiral case cover board is also fixedly connected with the left plate with the right plate respectively.
3. double fulcrum blower fan structures according to claim 1, which is characterized in that the spiral case is injection molding spiral case or foam snail
Shell;The spiral case is fixedly connected by screw with the mounting plate.
4. double fulcrum blower fan structures according to claim 3, which is characterized in that the spiral case outer edge is equipped with multiple fixations
Block;Multiple fixed blocks are respectively arranged at the both sides and bottom of the close mounting plate at the top of the spiral case close to the installation
The both sides of plate;The fixed block is equipped with screw hole;The spiral case is fixed on the installation by screw across the screw hole
On plate.
5. double fulcrum blower fan structures according to claim 1, which is characterized in that the centrifugal blower includes electric machine assembly
And centrifugation blade;The electric machine assembly is fixedly installed in the centrifugal blower installation cavity, and by machine shaft across described
Centrifugation blade is rotatably set on the spiral case cover board.
6. double fulcrum blower fan structures according to claim 5, which is characterized in that further include having bearing cushion rubber component;It is described
Spiral case cover plate central position is equipped with bearing cushion rubber mounting base;The bearing cushion rubber component is set to the bearing cushion rubber mounting base
It is interior;The machine shaft is rotatably set to across the centrifugation blade in the bearing of the bearing cushion rubber component.
7. double fulcrum blower fan structures according to claim 6, which is characterized in that the bearing cushion rubber component includes bearing
Cushion rubber and bearing;The bearing is set in the bearing cushion rubber;The bearing cushion rubber is clamped on the bearing cushion rubber mounting base
It is interior.
8. double fulcrum blower fan structures according to claim 5, which is characterized in that the center of the centrifugation blade is equipped with
Fan blade fixed card;The fan blade fixed card is between the centrifugation blade and the spiral case cover board;The centrifugation blade
It is additionally provided with axle sleeve between the electric machine assembly;The machine shaft passes through the axle sleeve and the fan blade fixed card and passes through
The centrifugation blade is fixed on the machine shaft by nut.
9. double fulcrum blower fan structures according to claim 5, which is characterized in that the electric machine assembly includes motor;Institute
Motor is stated to be fixedly installed on the mounting plate by motor pressing plate;The motor pressing plate includes support plate and multiple supports
Frame;The motor is clamped in support frame as described above;The motor pressing plate is fixed on by support frame as described above on the mounting plate.
10. double fulcrum blower fan structures according to claim 9, which is characterized in that the electric machine assembly further includes having motor
Clamp spring, upper motor rubber cushion and lower motor rubber cushion;The upper motor rubber cushion is sheathed on the machine shaft, and is located at the electricity
Machine upper end;The lower motor rubber cushion is set to the motor bottom;The installation cavity bottom is equipped with bulge loop;Among the support plate
Protrusion is equipped with fixing groove outside position;Through-hole is equipped in the fixing groove;The motor upper end passes through the upper motor rubber cushion clamping
In the fixing groove;The motor bottom is clamped on by the lower motor rubber cushion in the bulge loop.
11. double fulcrum blower fan structures according to claim 9, which is characterized in that the motor pressing plate further includes having reinforcement
Muscle;Multiple support frames as described above are circumferentially disposed along the support plate;Support frame as described above bottom fold forms L-type positioning plate;It is described to add
Strengthening tendons are set in the support plate, and extend to the positioning plate.
12. double fulcrum blower fan structures according to claim 2, which is characterized in that spiral case cover board both sides are respectively equipped with
Screw pole;The left plate and the right plate are equipped with screw hole;The spiral case cover board passes through the screw pole by screw
It is separately fixed on the left plate and the right plate with the screw hole.
13. double fulcrum blower fan structures according to claim 6, which is characterized in that be additionally provided with grid on the spiral case cover board
Structure;The bearing cushion rubber mounting base is set to the center of the cell structure;The cell structure edge is arc-shaped.
14. a kind of cabinet air conditioner includes blower fan structure, which is characterized in that the blower fan structure be the claims 1 to
The double fulcrum blower fan structures of 13 any one of them.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810779700.3A CN108758820A (en) | 2018-07-16 | 2018-07-16 | Double-pivot fan structure and cabinet air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810779700.3A CN108758820A (en) | 2018-07-16 | 2018-07-16 | Double-pivot fan structure and cabinet air conditioner |
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CN108758820A true CN108758820A (en) | 2018-11-06 |
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CN201810779700.3A Withdrawn CN108758820A (en) | 2018-07-16 | 2018-07-16 | Double-pivot fan structure and cabinet air conditioner |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108661935A (en) * | 2018-07-24 | 2018-10-16 | 珠海格力电器股份有限公司 | Double-pivot fixed support fan |
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