CN210601794U - Three-dimensional oil net, fan subassembly, lampblack absorber - Google Patents
Three-dimensional oil net, fan subassembly, lampblack absorber Download PDFInfo
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- CN210601794U CN210601794U CN201920977293.7U CN201920977293U CN210601794U CN 210601794 U CN210601794 U CN 210601794U CN 201920977293 U CN201920977293 U CN 201920977293U CN 210601794 U CN210601794 U CN 210601794U
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Abstract
The utility model provides a three-dimensional oil net, fan subassembly, lampblack absorber, a three-dimensional oil net is network structure, include: a middle shaft; the convex surfaces are radially arranged on the outer circumferential surface of the middle shaft at intervals, and the convex direction of the convex surfaces faces the airflow flowing direction; the concave surface is connected to the adjacent side of two adjacent convex surfaces and forms a wave-shaped structure together with the convex surfaces. The greasy dirt that stops on the convex surface after filtering can assemble concave surface department under the water conservancy diversion effect of action of gravity and convex surface, with the greasy dirt of concave surface department together, when three-dimensional oil net is rotatory, under the effect of centrifugal force, assemble the greasy dirt of concave surface department by the water conservancy diversion to external world (lead the oil ring), in addition, external air current generally flows towards three-dimensional oil net, can blow the power to the greasy dirt production on the convex surface, the greasy dirt flow direction concave surface on the convex surface accelerates, flow from the concave surface, thereby the realization is to the quick collection of the greasy dirt on the three-dimensional oil net.
Description
Technical Field
The utility model relates to the technical field of household appliances, concretely relates to three-dimensional oil net, fan subassembly, lampblack absorber.
Background
The core part of the existing range hood is a ventilation system which mainly comprises a fume collecting hood, a centrifugal fan and a fume exhaust pipe. In order to improve the oil blocking effect of the range hood, an oil screen is usually arranged at an air inlet of the centrifugal fan.
The existing oil screen is usually a round part with multiple holes, before oil smoke enters the centrifugal fan, the oil smoke touches the meshes of the oil screen, and is condensed and separated out to form oil drops, and the oil drops slide down along the oil screen and are discharged into an oil cup along an oil way. Because the greasy dirt has stronger viscosity, the greasy dirt is very easy to adhere to the oil screen, the time is long, the greasy dirt staying on the oil screen is mixed with external dust to easily block the meshes of the oil screen, and the smoke absorption effect of the range hood is reduced.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in how to realize realizing the problem of quick collection to the greasy dirt on the oil net to a three-dimensional oil net, fan subassembly, lampblack absorber are provided.
In order to solve the problem, the utility model provides a three-dimensional oil net is network structure, include: a middle shaft; the convex surfaces are radially arranged on the outer circumferential surface of the middle shaft at intervals, and the convex direction of the convex surfaces faces the airflow flowing direction; the concave surface is connected at two adjacent sides of the convex surface and forms a wave-shaped structure together with the convex surface.
Further, the convex surface gradually increases in width along the direction from the middle of the three-dimensional oil net to the outside.
Furthermore, the convex surface comprises a windward surface and a leeward surface opposite to the windward surface, and the windward surface and the leeward surface are bent towards the rotation direction of the three-dimensional oil net.
Further, the junction between the convex surface and the concave surface is configured to be a smooth transition.
Furthermore, the projection lines of the outer edges of the convex surface and the concave surface on the axial section of the central shaft are on the same circumference.
Further, the concave surface is gradually inclined downwards along the direction from the middle part of the three-dimensional oil net to the outer edge.
Furthermore, the middle shaft is provided with a mounting hole for mounting the three-dimensional oil net on a driving device.
Further, the mesh shape of the three-dimensional oil net is set to be any one or more of elliptical holes, circular holes and strip-shaped holes.
A fan assembly, comprising: the three-dimensional oil net described in any one of the above; and the fan is provided with an air inlet, and the three-dimensional oil net is arranged at the air inlet.
The utility model provides a fan subassembly still includes: and the oil guide ring is arranged at an air inlet of the fan and used for guiding out oil stains on the three-dimensional oil net.
Further, the oil guide ring is provided with a supporting part attached to the surface of the fan and an oil guide part embedded into the air inlet.
Further, the outer edge end face of the three-dimensional oil net is arranged in the oil guide portion.
A range hood includes: the three-dimensional oil net or the fan assembly.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a three-dimensional oil net is network structure, include: a middle shaft; the convex surfaces are radially arranged on the outer circumferential surface of the middle shaft at intervals, and the convex direction of the convex surfaces faces the airflow flowing direction; the concave surface is connected at two adjacent sides of the convex surface and forms a wave-shaped structure together with the convex surface. The greasy dirt that stops on the convex surface after filtering can assemble concave surface department under the water conservancy diversion effect of action of gravity and convex surface, with the greasy dirt of concave surface department together, when three-dimensional oil net is rotatory, under the effect of centrifugal force, assemble the greasy dirt of concave surface department by the water conservancy diversion to external world (lead the oil ring), in addition, external air current generally flows towards three-dimensional oil net, can blow the power to the greasy dirt production on the convex surface, the greasy dirt flow direction concave surface on the convex surface accelerates, flow from the concave surface, thereby the realization is to the quick collection of the greasy dirt on the three-dimensional oil net.
2. The utility model provides an in the three-dimensional oil net the concave surface with the convex surface is followed the outside direction width in middle part of three-dimensional oil net is crescent, and three-dimensional oil net is by the outside oil smoke area of contact crescent in center, consequently stops the quantity of the greasy dirt of department along the oil net outer be more than near its central point department, and in addition, three-dimensional oil net is when rotatory, and the centrifugal force that border department received is bigger, and greasy dirt on it changes and three-dimensional oil net separation to further realize the quick collection to the greasy dirt on the three-dimensional oil net.
3. The utility model provides an among the three-dimensional oil net the convex surface include the windward side and with the leeward side that the windward side carried on the back mutually, the windward side with leeward side orientation the rotation direction of three-dimensional oil net takes place to bend. Three-dimensional oil net is when rotating, and windward side and oil smoke gas stream move in opposite directions, change the greasy dirt bump with in the oil smoke, improve the filter effect to the greasy dirt, and the windward side contacts with oil smoke gas stream at first simultaneously, and the contact is most abundant, can make most greasy dirt concentrate on the convex surface, makes things convenient for follow-up collection processing.
4. The utility model provides an in the three-dimensional oil net the convex surface with the concave surface junction is for being set up to smooth transition, and smooth transition's design can guarantee that the greasy dirt that is in on the convex surface can not be obstructed when flowing to the concave surface, guarantees its smooth and easy nature that flows, can accelerate the collecting process to the greasy dirt.
5. The utility model provides an in the three-dimensional oil net the convex surface with the concave surface outside is along being in on the last projection line of axis axial cross-section all is in same circumference, the reason of this kind of design lies in the utility model provides an appearance profile of three-dimensional oil net is mostly circular, when the outside water conservancy diversion of greasy dirt of its collection, in order to with the shape adaptation of oil net, the collection device of greasy dirt is mostly the annular, and above-mentioned design can make the outer better laminating in border of three-dimensional oil net on above-mentioned collection device, guarantees that the greasy dirt does not leak outward.
6. The utility model provides an in the three-dimensional oil net the concave surface is followed the outside downward sloping gradually along the direction in middle part of three-dimensional oil net, above-mentioned structure can play good water conservancy diversion effect under the action of gravity to the greasy dirt of adhering to three-dimensional oil net, makes the greasy dirt change and separates from the oil net, and then improves the collection efficiency to the greasy dirt.
7. The utility model provides an in the fan subassembly the outer terminal surface setting of following of three-dimensional oil net is in the oil guide portion, in being received the greasy dirt of collecting three-dimensional oil net border and entering into the oil guide portion, through the aforesaid oil guide portion entering oil cup, in time handled by the user, prevented that the greasy dirt from entering into inside the fan subassembly, influence the work of fan, increase the life of fan subassembly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a three-dimensional oil net provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a fan assembly provided in embodiment 2 of the present invention.
Description of reference numerals:
1-medial axis; 11-mounting holes;
2-convex surface; 21-windward side; 22-leeward side;
3-a concave surface;
4-oil guiding ring; 41-a support part; 42-oil guide part;
5, a fan; 51-air intake.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
Fig. 1 shows a three-dimensional oil net provided in this embodiment, which includes a central shaft 1; the convex surfaces 2 are radially arranged on the outer circumferential surface of the central shaft 1 at intervals, and the convex direction of the convex surfaces 2 faces the airflow flowing direction; and the concave surface 3 is connected to the adjacent sides of the two adjacent convex surfaces 2 and forms a wave-shaped structure together with the convex surfaces 2. Three-dimensional oil net among the prior art is when using, generally be connected with drive arrangement, take place to rotate under drive arrangement's effect, the realization is to the filtration of oil smoke, the greasy dirt that stops on convex surface 2 after filtering in this embodiment can assemble concave surface 3 department under the water conservancy diversion effect of action of gravity and convex surface 2, with the greasy dirt of concave surface 3 department together, when three-dimensional oil net is rotatory, under the effect of centrifugal force, the greasy dirt of assembling in concave surface 3 department is by the water conservancy diversion to external (leading the oil ring), furthermore, external air current generally flows towards three-dimensional oil net, can produce the blow power to the greasy dirt on the convex surface 2, accelerate greasy dirt flow direction concave surface 3 on the convex surface 2, flow out in the concave surface 3, thereby realize the quick collection to the greasy dirt on the three-dimensional oil net.
The convex surface 2 and the concave surface 3 are curved surfaces, which may be general second-order curved surfaces such as a circular surface, a parabolic curved surface, etc., or other third-order and fourth-order high-order curved surfaces, and in this embodiment, the parabolic curved surface is lofted, and the processing is relatively simple, and the curvature of a part of the parabolic curved surface is higher, so that the parabolic curved surface has a better flow guiding effect.
Further, the widths of the convex surfaces 2 and the concave surfaces 3 are gradually increased along the direction from the middle part of the three-dimensional oil net to the outer part, and the width ratio of the head to the tail of the three-dimensional oil net is about 1: about 2.5, three-dimensional oil net outwards oil smoke area of contact increase gradually by the center, consequently the quantity of the greasy dirt that stops in oil net outer edge department is more than near its central point department, and in addition, three-dimensional oil net is when rotatory, and the centrifugal force that the border department received is bigger, and greasy dirt on it is changeed and three-dimensional oil net separation to further realize the quick collection to greasy dirt on the three-dimensional oil net.
In this embodiment, the convex surface 2 includes a windward side 21 and a leeward side 22 opposite to the windward side 21, and the windward side 21 and the leeward side 22 are curved toward the rotation direction of the three-dimensional net. Three-dimensional oil net is when rotating, and windward side 21 and oil smoke gas stream move in opposite directions, change the greasy dirt bump with in the oil smoke, improve the filter effect to the greasy dirt, and windward side 21 contacts with oil smoke gas stream earlier simultaneously, and the contact is most abundant, can make most greasy dirt concentrate on convex surface 2, makes things convenient for follow-up collection processing.
Further, convex surface 2 with 3 junctions of concave surface are for being set up to smooth transition, and convex surface 2 and concave surface 3 in this embodiment are integrated into one piece, and both junctions are tangent transition, can guarantee that the greasy dirt that is in on convex surface 2 can not be obstructed when flowing to concave surface 3, guarantee its smooth and easy nature that flows, can accelerate the collection process to the greasy dirt.
The reason why the projection lines of the outer edges of the convex surface 2 and the concave surface 3 on the axial section of the central shaft 1 are on the same circumference is that the three-dimensional oil screen in the embodiment has a circular outline, and when the collected oil is guided outwards, the oil collecting device is mostly annular in order to be matched with the shape of the oil screen, so that the outer edges of the three-dimensional oil screen can be better attached to the collecting device by the design, and the oil is prevented from leaking outwards.
In this embodiment, the middle shaft 1 is provided with a mounting hole 11 for mounting the three-dimensional oil net on the driving device. Specifically, the center shaft 1 is a hollow cylinder structure, a mounting hole is formed in one end face of the cylinder, and the center shaft 1 is sleeved on an external driving device and fixed to the driving device through the mounting hole.
The mesh shape of the three-dimensional oil net in the embodiment is set to be a circular hole, the processing is simple, and of course, in some other embodiments, the mesh shape may also be any one or a combination of elliptical holes or strip-shaped holes.
Example 2
As shown in fig. 2, the fan assembly provided in this embodiment includes the three-dimensional oil net in embodiment 1, and has all technical advantages, which are not described again.
The embodiment further comprises a fan 5, an air inlet 51 is formed in the fan 5, the three-dimensional oil screen is arranged at the air inlet 51, an impeller is arranged in the fan 5, oil smoke generated by cooking under the action of the impeller is absorbed towards the three-dimensional oil screen, and then the oil smoke is filtered by the three-dimensional oil screen in the embodiment 1.
The embodiment further comprises the following steps: and the oil guide ring 4 is arranged at the air inlet 51 of the fan 5 and used for guiding out oil stains on the three-dimensional oil net.
Further, the oil guiding ring 4 has a supporting portion 41 attached to the surface of the fan 5 and an oil guiding portion 42 embedded in the air inlet 51, specifically, the oil guiding portion 42 is in a groove shape and is formed on the inner side wall of the oil guiding ring 4, and a gap communicated with the outside is formed at the tail end of the oil guiding portion 42. The support portion 41 in this embodiment is provided with a fixing hole, which is locked to the fan 5 by a screw, specifically, locked to the volute of the fan 5.
The outer terminal surface setting of following of three-dimensional oil net in this embodiment is in leading oil portion 42, is received the greasy dirt of collecting three-dimensional oil net border to enter into and leads oil portion 42 in, and breach department through the aforesaid in leading oil portion 42 gets into the oil cup, is handled in time by the user, has prevented that the greasy dirt from entering into inside the fan subassembly, influences the work of fan, increases the life of fan subassembly.
Example 3
This embodiment provides a lampblack absorber, and it has the three-dimensional oil cup in embodiment 1, and has its whole technical advantage, no longer gives unnecessary details here.
In some embodiments, it may also have the fan assembly of example 2.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (13)
1. The utility model provides a three-dimensional oil net, is network structure, its characterized in that includes:
a middle shaft (1);
the convex surfaces (2) are radially arranged on the outer circumferential surface of the middle shaft (1) at intervals, and the convex direction of the convex surfaces (2) faces the airflow flowing direction;
the concave surface (3) is connected to the adjacent sides of the adjacent two convex surfaces (2) and forms a wave-shaped structure together with the convex surfaces (2).
2. The three-dimensional oil net according to claim 1, wherein the convex surface (2) and the concave surface (3) gradually increase in width in a direction from the middle of the three-dimensional oil net to the outside.
3. The three-dimensional oil screen according to claim 2, wherein the convex surface (2) comprises a windward surface (21) and a leeward surface (22) opposite to the windward surface (21), and the windward surface (21) and the leeward surface (22) are curved towards the rotation direction of the three-dimensional oil screen.
4. The three-dimensional oil net according to claim 3, characterized in that the junction of the convex surface (2) and the concave surface (3) is provided with a smooth transition.
5. The stereoscopic oil net according to claim 4, characterized in that the projection lines of the outer edges of the convex surface (2) and the concave surface (3) on the axial section of the central shaft (1) are all on the same circumference.
6. The three-dimensional oil net according to claim 5, wherein the concave surface (3) is gradually inclined downwards along the direction from the middle part of the three-dimensional oil net to the outside.
7. The stereoscopic oil net according to claim 1, characterized in that the middle shaft (1) is provided with a mounting hole (11) for mounting the stereoscopic oil net on a driving device.
8. The stereoscopic oil net according to any one of claims 1 to 7, wherein the mesh shape of the stereoscopic oil net is set to be any one or more of elliptical holes, circular holes and strip-shaped holes.
9. A fan assembly, comprising:
the three-dimensional oil network of any one of claims 1-8;
the fan (5) is provided with an air inlet (51), and the three-dimensional oil net is arranged at the air inlet (51).
10. The fan assembly of claim 9, further comprising: and the oil guide ring (4) is arranged at an air inlet (51) of the fan (5) and is used for guiding out oil stains on the three-dimensional oil net.
11. The fan assembly according to claim 10, characterized in that the oil guiding ring (4) has a support (41) which is surface-mounted to the fan (5) and an oil guiding portion (42) which is embedded in the air inlet (51).
12. The fan assembly of claim 11 wherein an outer edge face of the three-dimensional oil screen is disposed within the oil guide (42).
13. A range hood, comprising:
a three-dimensional oil network as defined in any one of claims 1 to 8, or
The fan assembly of any of claims 9-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920977293.7U CN210601794U (en) | 2019-06-26 | 2019-06-26 | Three-dimensional oil net, fan subassembly, lampblack absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920977293.7U CN210601794U (en) | 2019-06-26 | 2019-06-26 | Three-dimensional oil net, fan subassembly, lampblack absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210601794U true CN210601794U (en) | 2020-05-22 |
Family
ID=70686893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920977293.7U Active CN210601794U (en) | 2019-06-26 | 2019-06-26 | Three-dimensional oil net, fan subassembly, lampblack absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210601794U (en) |
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2019
- 2019-06-26 CN CN201920977293.7U patent/CN210601794U/en active Active
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