CN209900871U - Spiral filter screen, mounting structure thereof and range hood - Google Patents
Spiral filter screen, mounting structure thereof and range hood Download PDFInfo
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- CN209900871U CN209900871U CN201920501956.8U CN201920501956U CN209900871U CN 209900871 U CN209900871 U CN 209900871U CN 201920501956 U CN201920501956 U CN 201920501956U CN 209900871 U CN209900871 U CN 209900871U
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Abstract
The utility model provides a pair of spiral filter screen and mounting structure and range hood thereof, spiral filter screen itself is the heliciform setting, spiral filter screen includes: the oil-gas separator comprises a plurality of layers of spiral layers which are connected with each other, wherein each layer of spiral layer is provided with a plurality of oil holes, and an air inlet is formed between the spiral layer positioned on the uppermost layer and the adjacent spiral layer; and the installation shaft hole is arranged at the central part of the spiral filter screen. The utility model discloses in, when spiral filter screen rotated, some oil smoke particle direct collision got off to spiral filter screen's surface condensation, and between another part oil smoke particle got into the adjacent two-layer spiral layer of filter screen through oilhole and the air intake on the spiral filter screen, through the collision with the inner wall on spiral layer and condensation to spiral filter screen surface, can form stable vortex air current after spiral filter screen rotatory got up.
Description
Technical Field
The utility model relates to a range hood technical field, concretely relates to spiral filter screen and mounting structure and range hood thereof.
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, a rotary filter screen is usually arranged at an air inlet of the centrifugal fan.
Current rotary filter screen is the circular part that has the through-hole usually, and before the oil smoke got into centrifugal fan, touched rotary filter screen's mesh, from the condensation separation come out, form oil and drip, oil drips and glides along rotary filter screen, in the oil cup of discharging along the oil circuit. Rotary screens are generally classified into static and dynamic types. The existing dynamic rotary filter screen is mostly of a plane structure, and the oil blocking rate is improved relative to the static rotary filter screen. The three-dimensional dynamic rotary filter screen has a certain depth, and has higher oil blocking rate compared with a dynamic plane rotary filter screen, but the noise is higher after the common three-dimensional rotary filter screen runs, and the air volume is also influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the great and not high defect of air inlet efficiency of range hood noise among the prior art.
Therefore, the utility model provides a spiral filter screen, its self is the heliciform setting, spiral filter screen includes: the oil hole sealing device comprises one or more layers of spiral layers, wherein each layer of spiral layer is provided with a plurality of oil holes, and an air inlet is formed between the spiral layer positioned on the uppermost layer and the adjacent spiral layer; and the installation shaft hole is arranged at the central part of the spiral filter screen.
The utility model discloses a spiral filter screen, every layer spiral layer middle part is protruding form setting.
The utility model discloses a spiral filter screen, oilhole self is closed angle form and orientation spiral filter screen's rotation direction sets up, its the summit setting of oilhole is in the middle part on spiral layer.
The utility model discloses provide a spiral filter screen mounting structure simultaneously, include: the utility model provides a spiral filter screen; and the motor is connected with the spiral filter screen through a filter screen connecting shaft and the mounting shaft hole and is used for driving the spiral filter screen to rotate.
The utility model provides a spiral filter screen mounting structure, the motor output is provided with the step towards radial extension, the filter screen connecting axle is connected on the step, just the filter screen connecting axle with be provided with the connecting axle nut between the step.
The utility model provides a spiral filter screen mounting structure still includes: the wind wheel, with spiral filter screen coaxial setting carries out synchronous rotation, spiral filter screen sets up the wind gap position of wind wheel.
The utility model provides a spiral filter screen mounting structure still includes: and the oil ring is clamped between the spiral filter screen and the wind wheel, and an oil leakage hole is formed in the oil ring.
The utility model discloses provide a range hood simultaneously, include: a base body provided with an accommodating cavity; the utility model provides a spiral filter screen mounting structure, set up and be in hold intracavity portion, just spiral filter screen orientation hold the import setting in chamber.
The utility model provides a range hood still includes the oil net, and the cover is detained hold the import position department in chamber.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a pair of spiral filter screen, it self is the heliciform setting, spiral filter screen includes: the oil hole sealing device comprises at least one spiral layer, wherein each spiral layer is provided with a plurality of oil holes, and an air inlet is formed between the spiral layer positioned on the uppermost layer and the adjacent spiral layer; and the installation shaft hole is arranged at the central part of the spiral filter screen.
The utility model discloses in, when spiral filter screen rotated, some oil smoke particle direct collision got off to spiral filter screen's surface condensation, and between another part oil smoke particle got into the adjacent two-layer spiral layer of filter screen through oilhole and the air intake on the spiral filter screen, through the collision with the inner wall on spiral layer and condensation to spiral filter screen surface, can form stable vortex air current after spiral filter screen rotatory got up.
In the prior art, all air flows of the three-dimensional rotary filter screen enter from the oil holes. In the application, one part of the airflow carrying the oil smoke particles flows in from the oil hole on the spiral layer, the other part of the airflow flows in from the air inlet, and the airflow can play a role in shunting through the combination of the oil hole and the air inlet. Meanwhile, the air flow entering the oil hole is less, the air flow entering the air inlet is more, and the obstruction caused by the flowing of more air flows among the layers of the spiral layer is smaller, so that the noise is smaller. Meanwhile, because the interlayer obstruction is small, the weakening effect on the air quantity is relatively reduced, and the air inlet efficiency is further increased. Meanwhile, the rotary filter screen is in a multilayer design, so that the oil blocking area can be increased, and the cleaning capability of oil fume particles is further increased.
2. The utility model provides a pair of spiral filter screen, every layer spiral layer middle part is protruding form setting. Through the spiral layer that the protruding form set up, compare in traditional level column structure, can rotate the in-process at the filter screen and cut more oil smoke particle air currents, and then make more oil smoke particles adsorb on the spiral layer, and then improve the efficiency of getting rid of the oil smoke particle.
3. The utility model provides a pair of spiral filter screen, oilhole self is closed angle form and orientation spiral filter screen's rotation direction sets up, its the summit setting of oilhole is in the middle part on spiral layer.
The oil holes are symmetrically arranged at two sides of the middle part in a sharp-horn shape, so that the oil holes can absorb oil smoke particles to the maximum extent in the rotating process, and the purifying capacity of the range hood is improved.
4. The utility model provides a pair of spiral filter screen mounting structure, the motor output is provided with the step towards radial extension, the filter screen connecting axle is connected on the step, just the filter screen connecting axle with be provided with the connecting axle nut between the step.
Through the cooperation between step, connecting shaft nut and the filter screen connecting axle, can improve the filter screen and the connecting axle the axial and radial between the stability of being connected.
5. The utility model provides a pair of spiral filter screen mounting structure, the oil ring clamp is established spiral filter screen with between the wind wheel, be equipped with the oil leak hole on the oil ring. Waste oil obtained by centrifugal separation from the spiral filter screen can be collected by arranging the oil ring, and meanwhile, the waste oil can be timely led out through the oil leakage hole, so that the influence on purification caused by waste oil overstock is avoided.
6. The utility model provides a pair of range hood, include: a base body provided with an accommodating cavity; the utility model provides a spiral filter screen mounting structure sets up hold intracavity portion, just spiral filter screen orientation the import setting that holds the chamber.
When the range hood works, the wind wheel rotates to generate negative pressure, oil smoke particles enter the air inlet of the spiral filter screen, one part of the oil smoke particles directly collide with the surface of the spiral filter screen to be condensed, the other part of the oil smoke particles enter the interlayer of the spiral filter screen through the oil holes in the spiral filter screen or the air inlet, the oil smoke particles are condensed to the surface of the spiral filter screen through collision with the inner edge of the interlayer, finally, condensed oil smoke droplets are thrown out to an annular area formed by the oil screen and the oil ring through the centrifugal action of rotation of the spiral filter screen, and flow into the oil cup through the oil leakage hole at the. Meanwhile, after the spiral rotary filter screen rotates, stable vortex airflow can be formed, so that the oil smoke escape rate is lower, and the oil smoke is easier to be sucked into the air inlet.
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 diagram of the spiral filter screen provided by the present invention;
fig. 2 is a schematic view of a second structure of the spiral screen according to the present invention;
fig. 3 is the spiral screen mounting structure provided by the present invention;
fig. 4 is a schematic view of the connection between the filter screen connecting shaft and the motor output shaft provided by the present invention;
fig. 5 is a schematic structural diagram of the range hood provided by the present invention.
Description of reference numerals:
1-spiral filter screen; 11-a helical layer; 12-an oil hole; 13-air inlet; 14-mounting the shaft hole; 2, a motor; 21-motor output shaft; 211-step; 3-connecting a shaft nut; 4-wind wheel; 41-air inlet; 5-an oil ring; 6-a substrate; 61-a containment chamber; 7-a filter screen connecting shaft; 8-a screen knob; 9-oil net; 10-beam.
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
The present embodiment provides a spiral filter screen, as shown in fig. 1 and fig. 2, which is itself provided in a spiral shape, wherein the spiral filter screen 1 includes: the spiral layer 11 that the multilayer links to each other, every layer be provided with a plurality of oilhole 12 on the spiral layer 11, be located the superiors be provided with air intake 13 between spiral layer 11 and the adjacent spiral layer 11, be in simultaneously the installation shaft hole 14 of spiral filter screen central point portion.
In this embodiment, when the spiral filter screen rotates, a part of oil smoke particles directly collide with the surface of the spiral filter screen and condense, another part of oil smoke particles enter between two adjacent spiral layers 11 of the filter screen through oil holes 12 and air inlets 13 on the spiral filter screen, and condense to the surface of the spiral filter screen through collision with the inner wall of the spiral layer 11, and the spiral filter screen can form stable vortex airflow after rotating. The airflow carrying the oil smoke particles flows in partially from the oil holes 12 on the spiral layer 11 and partially from the air inlet 13, and can play a role of shunting through the combination of the oil holes 12 and the air inlet 13. Meanwhile, the air flow entering the oil hole 12 is less, the air flow entering the air inlet 13 is more, and the obstruction of the more air flow due to the flow between the layers of the spiral layer 11 is less, so the noise is less. Meanwhile, because the interlayer obstruction is small, the weakening effect on the air quantity is relatively reduced, and the air inlet efficiency is further increased. Meanwhile, the rotary filter screen is in a multilayer design, so that the oil blocking area can be increased, and the cleaning capability of oil fume particles is further increased.
In this embodiment, the spiral layer 11 is a layer, and the whole pitch has a complete spiral. As a variation, the spiral layer may be multiple layers, each layer of spiral layer has a complete spiral line, and the multiple layers of spiral layers may be parallel to each other or may have a certain included angle in space.
In this embodiment, as shown in fig. 1, a cross beam 10 is disposed below the air inlet 13, and the cross beam 10 can improve the stability and strength of the air inlet 13 itself.
In the spiral filter screen provided by this embodiment, the middle portion of each spiral layer 11 is arranged in a convex shape. Through the spiral layer 11 that the protruding form set up, compare in traditional level column structure, can rotate the in-process at the filter screen and cut more oil smoke particle air currents, and then make more oil smoke particles adsorb on spiral layer 11, and then improve the efficiency of getting rid of the oil smoke particle.
Specifically, as shown in fig. 1, the oil holes 12 are pointed and arranged in the rotation direction of the spiral strainer, and the apexes of the oil holes 12 are arranged at the middle of the spiral layer 11.
In the present embodiment, as shown in fig. 1, each of the spiral layers 11 includes a plurality of annular structures, and the cross-section of the annular structures in the radial direction is wavy. The wave-shaped arrangement mode can improve the adsorption capacity of the spiral layer 11 to the oil smoke particles. Meanwhile, as shown in fig. 1, the annular structure is low in the middle and high in the periphery, and can achieve a better adsorption effect on oil smoke particles.
Example 2
The present embodiment provides a spiral screen mounting structure, as shown in fig. 3 and 5, including: the spiral screen provided in example 1; and the motor 2 is connected with the spiral filter screen through a filter screen connecting shaft 7 and the installation shaft hole 14 to drive the spiral filter screen to rotate.
Specifically, in order to achieve stable connection between the scroll screen and the mounting shaft hole 14, a thread is provided at an end of the screen connecting shaft 7, and the scroll screen is screwed by screwing the screen knob 8.
Meanwhile, as shown in fig. 4, the output end of the motor 2 is provided with a step 211 extending radially, the filter screen connecting shaft 7 is connected to the step 211, and a connecting shaft nut 3 is arranged between the filter screen connecting shaft 7 and the step 211. Meanwhile, threads are arranged above the connection, and the connecting shaft nut 3 is connected to the motor output shaft 21 through threads.
In this embodiment, as shown in fig. 3 and 5, the spiral filter screen mounting structure further includes a wind wheel 4, the wind wheel is arranged in a three-dimensional shape, and is coaxially arranged with the spiral filter screen and synchronously rotates, and the spiral filter screen is arranged at the position of the air inlet 41 of the wind wheel 4.
As a variation, the rotary filter screen may be directly disposed inside the wind wheel 4, and the specific position may be adjusted according to actual conditions.
In this embodiment, a supporting plate is arranged on the motor output shaft 21, and the supporting plate is connected with the wind wheel 4 to drive the wind wheel 4 to rotate. In this embodiment, the wind wheel 4 and the spiral screen rotate synchronously. As a modification, two sets of driving mechanisms can be arranged at the same time, different rotating speeds are generated between the driving wind wheel 4 and the spiral filter screen, and when the rotating speeds are different, the purifying capacity for oil smoke particles is enhanced.
As shown in fig. 5, the spiral screen mounting structure provided in this embodiment further includes: and the oil ring 5 is clamped between the spiral filter screen and the wind wheel 4, and an oil leakage hole 12 is formed in the oil ring 5. Specifically, grooves are formed in the oil ring 5 along the outer circumference, and waste oil thrown from the outer circumference of the spiral filter screen collides with the inner parts of the grooves and is stored in the grooves. Simultaneously, can in time derive waste oil through oil leak hole 12 simultaneously, avoid waste oil overstock to lead to the fact the influence to purifying. Specifically, the oil leakage hole 12 may be connected to an oil cup of the range hood, which will not be described herein.
Example 3
The present embodiment provides a range hood, as shown in fig. 5, including: a base body 6 provided with a housing chamber 61; the spiral filter screen mounting structure provided in embodiment 2 is disposed inside the accommodating chamber 61, and the spiral filter screen is disposed toward an inlet direction of the accommodating chamber 61, specifically, sequentially from outside to inside: rotary filter screen, oil ring 5, wind wheel 4 and motor 2, rotary filter screen sets up in the outside.
Meanwhile, the range hood also comprises an oil screen 9 which is covered at the inlet position of the accommodating cavity 61. Through setting up oil net 9, can play and keep apart about spiral filter screen and external, prevent that spiral filter screen from touch the user carelessly, cause the harm to the user.
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 (9)
1. The utility model provides a spiral filter screen, its characterized in that is the heliciform setting by itself, spiral filter screen includes:
the oil pump is characterized by comprising at least one spiral layer (11), wherein each spiral layer (11) is provided with a plurality of oil holes (12), and an air inlet (13) is arranged between the spiral layer (11) on the uppermost layer and the adjacent spiral layer (11);
and an installation shaft hole (14) arranged at the central part of the spiral filter screen.
2. The spiral screen of claim 1, wherein the middle portion of each spiral layer (11) is convex.
3. The spiral screen according to claim 2, wherein the oil hole (12) is pointed and disposed toward the rotation direction of the spiral screen, and the apex of the oil hole (12) is disposed at the middle of the spiral layer (11).
4. A scroll screen mounting structure, comprising:
a spiral screen according to any one of claims 1 to 3;
motor (2), motor output shaft (21) of motor pass through filter screen connecting axle (7) with spiral filter screen installation shaft hole (14) are connected for drive spiral filter screen takes place to rotate.
5. A spiral screen mounting structure according to claim 4, wherein the output end of the motor (2) is provided with a step (211) extending radially, the screen connecting shaft (7) is connected to the step (211), and a connecting shaft nut (3) is provided between the screen connecting shaft (7) and the step (211).
6. A spiral screen mounting arrangement according to claim 4 or 5, further comprising:
the wind wheel (4) is coaxially arranged with the spiral filter screen and synchronously rotates, and the spiral filter screen is arranged at the position of an air inlet (41) of the wind wheel (4) or inside the wind wheel (4).
7. The spiral screen mounting structure of claim 6, further comprising: and the oil ring (5) is clamped between the spiral filter screen and the wind wheel (4), and an oil leakage hole (12) is formed in the oil ring (5).
8. A range hood, comprising:
a base body (6) provided with an accommodating cavity (61);
a spiral screen mounting arrangement according to any of claims 4 to 7, disposed inside the housing chamber (61) and the spiral screen is disposed towards the inlet of the housing chamber (61).
9. The extractor hood according to claim 8, further comprising an oil screen (9) which is covered at the inlet position of the accommodating cavity (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920501956.8U CN209900871U (en) | 2019-04-11 | 2019-04-11 | Spiral filter screen, mounting structure thereof and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920501956.8U CN209900871U (en) | 2019-04-11 | 2019-04-11 | Spiral filter screen, mounting structure thereof and range hood |
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| Publication Number | Publication Date |
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| CN209900871U true CN209900871U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920501956.8U Active CN209900871U (en) | 2019-04-11 | 2019-04-11 | Spiral filter screen, mounting structure thereof and range hood |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109925797A (en) * | 2019-04-11 | 2019-06-25 | 珠海格力电器股份有限公司 | A kind of spiral strainer and its mounting structure and range hood |
-
2019
- 2019-04-11 CN CN201920501956.8U patent/CN209900871U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109925797A (en) * | 2019-04-11 | 2019-06-25 | 珠海格力电器股份有限公司 | A kind of spiral strainer and its mounting structure and range hood |
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