CN201679741U - Special fan for adsorption of oil smoke in kitchen - Google Patents
Special fan for adsorption of oil smoke in kitchen Download PDFInfo
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- CN201679741U CN201679741U CN2010201892925U CN201020189292U CN201679741U CN 201679741 U CN201679741 U CN 201679741U CN 2010201892925 U CN2010201892925 U CN 2010201892925U CN 201020189292 U CN201020189292 U CN 201020189292U CN 201679741 U CN201679741 U CN 201679741U
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- kitchen
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Abstract
The utility model discloses a special fan for adsorption of oil smoke in a kitchen, which belongs to the technical field of fans and aims at solving the problem that the conventional fan can not achieve the due smoke adsorption effect in limited space. The special fan comprises a volute casing, a motor and a wind wheel which is positioned in the volute casing and driven by a motor, wherein air inlets are formed on two end surfaces of the volute casing, a mounting pin which is arranged on the air inlet at the end by striding is mounted on one end surface of the volute casing, the motor is mounted on the mounting pin, the wind wheel comprises a plurality of parallel blades arranged on the circumference and a central disc which is respectively arranged in the central positions of the blades and fixedly assembled with the blades, two ends of each blade are connected with air inlet rings, and a rotating shaft of the motor is connected to the central disc for enabling the motor to drive the wind wheel. The special fan can achieve greater wind volume and greater smoke adsorption capacity on the performances in comparison with other oil smoke fans through the optimization and the change of the design and the innovation of the process and the structure, simultaneously reduce the noise, increase the operation reliability during the normal use and further achieve the optimal combination point of comprehensive performances and operation durability.
Description
Technical field
The utility model belongs to the blower fan technical field, specifically is a kind of kitchen lampblack absorbing special fan.
Background technique
Because that the dimensional space of blower fan is installed is limited, and also there is following shortcoming in the blower fan that is applied on the European range hood on the leading in the market European range hood:
In the design: 1, two of blower fan big main part spiral cases and wind wheel (particularly wind wheel) key parameter matching in design are relatively poor, thereby cause limited space are not reached due smoking effect, and the higher discomfort to human body of noise also has certain influence simultaneously; 2, the coupling with motor does not make the low energy saving of operational efficiency relatively poor at a reasonable operating point.
Technology is made on the structure: 1, the loosening serious appearance of the unreasonable easy appearance of each member connection structure and the mode collision phenomenon that gets stuck can't normally use blower fan; 2, wind wheel structure intensity has certain shortcoming easy deformation to influence ride quality, and spiral case boundary dimension considerable influence outward appearance also is unfavorable for conserve space.
Therefore, existing range hood ubiquity air quantity is less and noise is bigger, gets stuck and the suction air volume wild effect owing to the overall structure reason can produce in long-time running simultaneously.
The model utility content
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome that parameter matching that existing blower fan exists on project organization is relatively poor etc. to cause the defective that limited space is not reached due smoking effect, and a kind of kitchen lampblack absorbing special fan is provided.For this reason, the utility model is by the following technical solutions:
A kind of kitchen lampblack absorbing special fan, comprise spiral case, motor and be positioned at described spiral case and by described motor-driven wind wheel, it is characterized in that all having intake grill on two end faces of described spiral case, be equipped with on the end face of described spiral case and stride the installation foot of being located on this end intake grill, described motor is installed on the described installation foot, described wind wheel comprises the some parallel blade that is arranged on the circumference, be positioned at each blade neutral position and the mid-game assembling of each vanes fixed, connect the air intake circle at the two ends of each blade, the rotating shaft of described motor is connected on the axle sleeve in the described mid-game and realizes the driving of described motor to wind wheel.
The beneficial effects of the utility model are:
1, the key component that influences performance is optimized design, makes the complete blower air quantity strengthen the smoking effect promoting, noise is obviously improved;
2, carry out reasonable disposition with the coupling operation point of motor, overall efficiency is improved show power savings advantages especially;
3, improve each member connection structure and mode and make that each parts of product are more firm can not to be become flexible, wind wheel adopts composite structure to gain in strength, and the spiral case straight flange is increased dramatically operational reliability to dwindle installing space.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is an another kind of structural representation of the present utility model.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the end-face structure schematic representation of the utility model wind wheel.
Fig. 6 is that the A-A of Fig. 5 is to sectional drawing.
Fig. 7 is the structural representation of the utility model blade.
Fig. 8 is the left view of Fig. 7.
Fig. 9 is the structural representation of the utility model mid-game.
Figure 10 is the left view of Fig. 9.
Figure 11 is the structural representation of the utility model air intake circle.
Figure 12 is that the B-B of Figure 11 is to sectional drawing.
Figure 13 is the structural representation of the utility model left sideboard.
Figure 14 is that the C-C of Figure 13 is to sectional drawing.
Figure 15 is an installation foot element structure schematic representation of the present utility model.
Figure 16 is another installation foot element structure schematic representation of the present utility model.
Figure 17 is the structural representation of the utility model wrapper sheet.
Figure 18 is the right elevation of Figure 17.
Figure 19 is the structural representation of the utility model baffle liner.
Figure 20 is that the D-D of Figure 19 is to sectional drawing.
The number in the figure explanation:
The 1-spiral case, 11-intake grill, 12-straight flange structure, 13-oil leaking hole, 14-left sideboard, 15-right sideboard, 16-wrapper sheet, 17-exhaust outlet, 18-baffle liner;
The 2-motor, the rotating shaft of 21-motor;
The 3-wind wheel, 31-blade, 311, the screens on the 312-blade, 32-mid-game, the plug-in opening in the 321-mid-game, 322-stiffening rib, 33-air intake circle, the plug-in opening on the 331-air intake circle, 34-axle sleeve;
The 4-installation foot, 41,42-installation foot member;
The diameter of the circumference that the outward edge of D1-blade is distributed in, the diameter of the circumference that the inward flange of D2-blade is distributed in, the stagger angle of β 1-blade, the exit installation angle of β 2-blade;
B1-wind wheel width; B2-spiral case width.
Embodiment
Below in conjunction with Figure of description the utility model is described further.
Used for range hood special fan of the present utility model, shown in Fig. 1-4, it comprises spiral case 1, motor 2 and the wind wheel 3 that is positioned at spiral case 1 and drives by motor 2, be characterized in: all have intake grill 11 on two end faces of spiral case 1, be equipped with on the end face of spiral case 1 and stride the installation foot of being located on this end intake grill 4, motor 2 is installed on the installation foot 4, wind wheel 3 comprises the some parallel blade 31 that is arranged on the circumference, be positioned at each blade neutral position and mid-game 32 assembling of each vanes fixed, two ends at each blade connect air intake circle 33, thereby make wind wheel 3 form the two air inlet structures two ends air intake of wind wheel (promptly can be simultaneously from), the rotating shaft 21 of motor 2 is connected the driving that realizes 2 pairs of wind wheels 3 of motor on the axle sleeve 34 in the mid-game 32.
Described installation foot 4, be with Figure 15 or/and installation foot member 41,42 shown in Figure 16 is connected to form and is connected with motor with spiral case as screw by fastening piece, therefore, can be as required, with installation foot be arranged to as shown in Figure 4 the three-jaw structure or six pawl structures (but the utility model is not limited to this situation) as shown in Figure 2.Because the existence of installation foot, do not influence the wind wheel air intake that intake grill on two end faces of spiral case cooperates two air inlet structures.Guarantee assembling intensity simultaneously, more firm in the use.
As further improving and replenishing to technique scheme, the utility model also comprises following additional technical characteristics, though Fig. 1,2, Fig. 3,4 has comprised following all additional technical features respectively simultaneously, it is preferred embodiment of the present utility model, but the utility model is not limited to this situation, according to specifically acting on they is selected for use on the described technological scheme of epimere when implementing the utility model:
Referring to Fig. 9,10, form several block stiffening ribs 322 in the mid-game 32.Guarantee the wind wheel operation degree of balance with the rigidity that strengthens mid-game.
The surface of wind wheel 31 is with polytetrafluoroethylene oily dirt free layer.In order to avoid greasy dirt is attached to influencing air draft on the wind wheel.
Referring to Fig. 2,4, the flexure plane of spiral case 1 is provided with straight flange structure 12 and oil leaking hole 13, and oil leaking hole 13 can be one or two of symmetry placed in the middle.Straight flange structure 12 is convenient to be installed on the kitchen ventilator, and oil leaking hole 13 is convenient to oil removing and noise reduction.As the concrete set-up mode of straight flange structure 12 and oil leaking hole 13, straight flange structure 12 and oil leaking hole 13 can be arranged on the wrapper sheet of hereinafter addressing 16.
When being assembled into wind wheel, the outward edge of each blade 31 is distributed on the circumference that diameter is 180mm～260mm (referring to the diameter D1 of this circumference in 5), the inward flange of each blade is distributed on the circumference that diameter is 150mm～230mm (referring to the diameter D2 of this circumference in 5), and the width of blade is 18mm～30mm.
The stagger angle β 1 of blade 31 is 65 °～95 ° (stagger angle is defined as the angle of blade inward flange between the tangent line at this place of the inward flange place circumference of tangent line that impeller outer is drawn and blade); The exit installation angle β 2 of blade is 160 °～175 ° (exit installation angle is defined as the angle of blade outward edge between the tangent line at this place of the inward flange place circumference of tangent line that impeller outer is drawn and blade); The quantity of blade is 45～72, and wind wheel width B 1 is 120mm～240mm, and under this width, mid-game can be positioned at center position, also can be positioned at depart from the center the position in the hope of more performance.
Spiral case 1 by left sideboard 14 (referring to Figure 13,14), right sideboard 15 (with the left sideboard symmetry, the parts drawing summary), wrapper sheet 16 (referring to Figure 17,18) is connected to form main body, and connection exhaust outlet 17 (referring to Fig. 1,3) and two baffle liners 18 (, be symmetry and be installed in two intake grill places) formation on main body referring to Figure 19,20; For improving performance and taking into account consideration easy to make, spiral case 1 adopt approximate archimedes line promptly four not Equal round auxocardia arc method determine outer contour, expansion ratio is chosen between 7 degree at 4 degree simultaneously, spiral case width B 2 between 138mm～315mm, keeps the gap of 6mm～15mm between requirement and the wind wheel two ends as shown in Fig. 1, Fig. 3.
For guaranteeing air quantity point and fan efficiency, the motor high tap position rotating speed of air-quantity measuring point is chosen at 850～1280 rev/mins.
And the utility model is by optimization change in the design and process structure innovation, reaching on the performance and other kitchen ventilator blower fans bigger smoking ability that has more on air quantity, noise decreases on the contrary simultaneously, simultaneously during normal use increase operational reliability, thereby reach combination property and operation permanence best joint.
Claims (10)
1. kitchen lampblack absorbing special fan, comprise spiral case (1), motor (2) and the wind wheel (3) that is positioned at described spiral case (1) and drives by described motor (2), it is characterized in that all having intake grill (11) on two end faces of described spiral case (1), be equipped with on the end face of described spiral case (1) and stride the installation foot of being located on this end intake grill (4), described motor (2) is installed on the described installation foot (4), described wind wheel (3) comprises the some parallel blade (31) that is arranged on the circumference, be positioned at each blade neutral position and mid-game (32) assembling of each vanes fixed, two ends at each blade connect air intake circle (33), and the axle sleeve (34) that the rotating shaft (21) of described motor (2) is connected in the described mid-game (32) is gone up the driving of the described motor of realization (2) to wind wheel (3).
2. a kind of kitchen according to claim 1 lampblack absorbing special fan is characterized in that described blade (31) and mid-game (32) employing interference roll extrusion realize the fixedly assembling of each blade and mid-game, described blade (31) and air intake circle (33) riveted joint.
3. a kind of kitchen according to claim 1 lampblack absorbing special fan is characterized in that described blade (31), mid-game (32), air intake circle (33) connect into integral body by integral roll extrusion or riveting.
4. according to claim 1 or 2 or 3 described a kind of kitchen lampblack absorbing special fans, it is characterized in that forming in the described mid-game (32) several block stiffening ribs (322).
5. a kind of kitchen according to claim 1 lampblack absorbing special fan, the surface that it is characterized in that described wind wheel (3) is with the oily dirt free layer.
6. a kind of kitchen according to claim 1 lampblack absorbing special fan is characterized in that described installation foot (4) is three-jaw structure or six pawl structures.
7. a kind of kitchen according to claim 1 lampblack absorbing special fan is characterized in that the flexure plane of described spiral case (1) is provided with straight flange structure (12) and oil leaking hole (13), and described oil leaking hole (13) can be one or two of symmetry placed in the middle.
8. a kind of kitchen according to claim 1 lampblack absorbing special fan, the outward edge that it is characterized in that described blade (2) is distributed on the circumference that diameter is 180mm～260mm, the inward flange of described blade (2) is distributed on the circumference that diameter is 150mm～230mm, and the width of described blade is 18mm～30mm.
9. according to claim 1 or 8 described a kind of kitchen lampblack absorbing special fans, the stagger angle (β 1) that it is characterized in that described blade is 65 °～95 °, the exit installation angle of described blade (β 2) is 160 °～175 °, the quantity of described blade is 45～72, and the width of described wind wheel (B1) is 120mm～240mm.
10. a kind of kitchen according to claim 1 lampblack absorbing special fan, it is characterized in that described spiral case (1) is connected to form main body by left sideboard (14), right sideboard (15), wrapper sheet (16), and on main body, connect exhaust outlet (17) and baffle liner (18) formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201892925U CN201679741U (en) | 2010-05-13 | 2010-05-13 | Special fan for adsorption of oil smoke in kitchen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201892925U CN201679741U (en) | 2010-05-13 | 2010-05-13 | Special fan for adsorption of oil smoke in kitchen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679741U true CN201679741U (en) | 2010-12-22 |
Family
ID=43344785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201892925U Expired - Lifetime CN201679741U (en) | 2010-05-13 | 2010-05-13 | Special fan for adsorption of oil smoke in kitchen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679741U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104527A (en) * | 2013-01-24 | 2013-05-15 | 梁挺 | Double volute wind wheel fan |
| CN108591094A (en) * | 2018-05-07 | 2018-09-28 | 江苏大学 | A kind of double vortex cleaning fans of the top formula of radial direction |
-
2010
- 2010-05-13 CN CN2010201892925U patent/CN201679741U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104527A (en) * | 2013-01-24 | 2013-05-15 | 梁挺 | Double volute wind wheel fan |
| CN108591094A (en) * | 2018-05-07 | 2018-09-28 | 江苏大学 | A kind of double vortex cleaning fans of the top formula of radial direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101222 |