CN210068506U - Oil smoke fan and smoke ventilator - Google Patents
Oil smoke fan and smoke ventilator Download PDFInfo
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- CN210068506U CN210068506U CN201920536199.8U CN201920536199U CN210068506U CN 210068506 U CN210068506 U CN 210068506U CN 201920536199 U CN201920536199 U CN 201920536199U CN 210068506 U CN210068506 U CN 210068506U
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Abstract
The utility model is suitable for a kitchen guarding equipment technical field provides an oil smoke fan and smoke ventilator. The utility model discloses an oil smoke fan includes the spiral case, locate the impeller in the spiral case to and locate one side of spiral case and be used for driving the motor that the impeller rotated, the spiral case has air intake and air outlet, the lateral wall of spiral case includes from outside to inside in proper order range upon range of the first supporting layer that sets up, first damping layer and first oil proof layer, first oil proof layer can protect first damping layer from oil smoke invasion and attack or oxidation, greatly increase the fatigue life of first damping layer, therefore do not need frequent change first damping layer, use cost is lower; in addition, the first damping layer can be prevented from generating VOC gas in the using process, and the damping device is safer and more environment-friendly. The utility model discloses a smoke ventilator includes as above oil smoke fan, its silence effect is better, and use cost is lower, and safer and environmental protection.
Description
Technical Field
The utility model relates to a kitchen guarding equipment technical field, in particular to oil smoke fan and smoke ventilator.
Background
The performance of the existing range hood tends to be mature, more manufacturers and consumers begin to pay attention to the noise problem of the range hood, the oil fume fan is one of the important reasons for generating noise, the traditional method is to reduce the vibration and the noise of a volute in a damping patch mode, however, the damping patch is easy to age in the using process and loses the original damping performance, and at the moment, the damping patch needs to be replaced again, so that the using cost is high; volatile Organic Compounds (VOC) gas harmful to human body is also generated, which undoubtedly causes environmental pollution.
Disclosure of Invention
An object of the utility model is to provide an oil smoke fan aims at solving the higher and environmental pollution's of use cost of current oil smoke fan technical problem.
The utility model discloses a realize like this, an oil smoke fan, include the spiral case, locate impeller in the spiral case, and locate one side of spiral case just is used for the drive impeller pivoted motor, the spiral case has air intake and air outlet, the lateral wall of spiral case includes by outer first supporting layer, first damping layer and the first oil preventing layer that stacks gradually the setting to interior.
Further, the impeller comprises a rim plate and a plurality of blades welded on the rim plate at intervals, and the blades are of hollow structures.
Further, the blade is arc-shaped, and one side of the blade is provided with a linear groove.
Further, the cross-sectional shape of the linear groove is triangular, rectangular or arc.
Furthermore, the blade sequentially comprises a second supporting layer, a second damping layer and a second oil-proof layer from inside to outside.
Further, the motor is provided with an output shaft, and one end of the output shaft penetrates through the side wall of the volute and then is in threaded connection with the impeller.
Further, first damping layer is compound damping layer, compound damping layer includes the damping basic unit and range upon range of locating damping top layer on the damping basic unit, the damping basic unit is located on the first supporting layer.
Further, the damping basic unit is normal temperature type waterborne damping dope layer, the damping top layer is high temperature type waterborne damping dope layer, the vitrification temperature of high temperature type waterborne damping dope layer is higher than the vitrification temperature of normal temperature type waterborne damping dope layer.
Furthermore, the thickness of the damping base layer is 0.6-1.0 mm, and the thickness of the damping surface layer is 1.1-1.6 mm.
Another object of the utility model is to provide a range hood, include as above the oil smoke fan.
The utility model provides an oil smoke fan, including the spiral case, locate the impeller in the spiral case to and locate one side of spiral case and be used for driving the motor that the impeller rotated, the spiral case has air intake and air outlet, the lateral wall of spiral case includes from outside to inside in proper order range upon range of the first supporting layer that sets up, first damping layer and first oil proof layer, first oil proof layer can protect first damping layer from oil smoke invasion and attack or oxidation, greatly increase the fatigue life of first damping layer, therefore do not need frequently to change first damping layer, use cost is lower; in addition, the first damping layer can be prevented from generating VOC gas in the using process, and the damping device is safer and more environment-friendly. The utility model provides a smoke ventilator, include as above the oil smoke fan, its silence effect is better, and use cost is lower, and safer and environmental protection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic perspective view of an oil smoke blower provided in an embodiment of the present invention;
fig. 2 is a schematic front view of an oil smoke blower provided by the embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure view of a side wall of a volute provided by an embodiment of the present invention;
fig. 4 is a schematic perspective view of a blade according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-a volute; 11-a cavity;
12-an air inlet; 13-air outlet;
141-a first support layer; 142-a first damping layer;
1421 — damping base layer; 1422-damping skin;
143-a first oil repellent layer; 2-an impeller;
21-a rim plate; 22-a blade;
221-linear grooves; 3, a motor;
31-output shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", 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, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the patent. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
In order to explain the technical solution of the present invention, the following detailed description is made with reference to the specific drawings and examples.
Please refer to fig. 1 to 3, an embodiment of the present invention provides an oil smoke blower, including a volute 1, an impeller 2 disposed in the volute 1, and a motor 3 for driving the impeller 2 to rotate, wherein the volute 1 has an air inlet 12 and an air outlet 13, the volute 1 has a cavity 11, the shape of the cavity 11 is adapted to the shape of the volute 1, the air inlet 12 is disposed opposite to the side of the impeller 2, the air outlet 13 is disposed on one side of the tangential direction of the impeller 2, the air inlet 12 and the air outlet 13 are respectively communicated with the cavity 11, and the sidewall of the volute 1 includes a first supporting layer 141, a first damping layer 142 and a first oil-proof layer 143, which are sequentially stacked from outside to inside. When the motor 3 drives the impeller 2 to rotate, the oil smoke enters the cavity 11 from the air inlet 12 and is then discharged through the air outlet 13.
The utility model discloses oil smoke fan includes spiral case 1, locate impeller 2 in spiral case 1, and be used for driving impeller 2 pivoted motor 3, spiral case 1 has air intake 12 and air outlet 13, the lateral wall of spiral case 1 includes from outer to interior first supporting layer 141 that sets up in proper order range upon range of, first damping layer 142 and first oil-proof layer 143, when motor 3 drives impeller 2 and rotates, on the one hand, spiral case 1 can be because the rotation of impeller 2 produces the vibration, on the other hand, the air current (oil smoke) gets into the appearance intracavity portion of spiral case 1, the air current takes place structural resonance with spiral case 1, first damping layer 142 can turn into mechanical energy into heat energy, namely first damping layer 142 turns into the mechanical energy of the vibration of spiral case 1 or the structural resonance between air current and spiral case 1 into heat energy, thereby reduce the noise that produces when the oil smoke fan operates; in addition, the first oil-proof layer 143 can protect the first damping layer 142 from being attacked or oxidized by oil smoke, and the fatigue life of the first damping layer 142 is greatly prolonged, so that the first damping layer 142 does not need to be frequently replaced, and the use cost is low; in addition, the first damping layer 142 can also prevent the first damping layer 142 from generating VOC gas in the using process, so that the damping layer is safer and more environment-friendly.
The utility model discloses an in the embodiment, first damping layer 142 is compound damping layer, and compound damping layer includes damping basic unit 1421 and range upon range of damping top layer 1422 of locating on damping basic unit 1421, and damping basic unit 1421 is located on first supporting layer 141, through setting up two-layer damping layer, can eliminate the vibration of spiral case 1 self or the structural resonance between air current and spiral case 1 more effectively to reduce the noise that produces when the oil smoke fan operates. It can be understood that, according to the requirement of the actual situation, more damping layers may be disposed to further reduce the noise generated when the oil smoke blower operates, and the embodiment is not limited herein.
Further, the oil smoke fan is usually used for extracting high-temperature oil stains, the high-temperature fatigue performance of a common damping layer is poor, in order to prolong the service life of the first damping layer 142, the damping base layer 1421 can be set as a normal-temperature water-based damping coating layer, the damping surface layer 1422 is set as a high-temperature water-based damping coating layer, the vitrification temperature of the high-temperature water-based damping coating layer is higher than that of the normal-temperature water-based damping coating layer, the high-temperature water-based damping coating layer has good high-temperature fatigue performance, and the cost of the normal-temperature water-based damping coating layer is low, so that the oil smoke fan can prolong the fatigue life of the first damping layer 142 on the premise of ensuring the cost, and greatly improve the economic benefit.
Further, in the actual life application, the oil smoke fan is usually erected above the gas stove through an additional shell, in order to ensure the stability of the installation of the oil smoke fan, the weight of the oil smoke fan needs to be reduced, in the oil smoke fan of the embodiment, in order to ensure that the first damping layer 142 has a good damping effect, the weight of the oil smoke fan cannot be greatly increased, the thickness of the first damping layer 142 can be set to be 1.7 mm-2.6 mm, so that the damping effect of the first damping layer 142 can be ensured, and the problem that the installation accessories are increased due to the fact that the oil smoke fan is heavy can be avoided.
Specifically, in order to provide the first damping layer 142 with good high temperature resistance, the thickness of the damping base layer 1421 may be made larger than that of the damping skin layer 1422. In detail, the thickness of the damping base layer 1421 may be set to 0.6mm to 1.0mm, and the thickness of the damping surface layer 1422 may be set to 1.1mm to 1.6mm, so as to improve the high temperature resistance of the first damping layer 142, for example, the thickness of the damping base layer 1421 may be set to 1.0mm, and the thickness of the damping surface layer 1422 may be set to 1.5mm, so that the first damping layer 142 has good high temperature resistance.
In an embodiment of the present invention, as shown in fig. 2 and 4, the impeller 2 includes a rim plate 21, and a plurality of blades 22 welded to the rim plate 21 at intervals, in order to reduce the weight of the impeller 2 and reduce the transportation cost, the blades 22 may be provided as a hollow structure.
In an embodiment of the present invention, as shown in fig. 4, the vane 22 is an arc-shaped structure to increase the contact area between the vane 22 and the oil smoke, so as to better separate the oil smoke.
Preferably, the shape of the vane 22 is circular arc, and a linear groove 221 may be disposed on one side of the vane 22 close to the center of the circle, so as to further increase the contact area of the vane 22 and the oil smoke, and better achieve oil smoke separation. The number of the linear grooves 221 is not limited in this embodiment, and one or more linear grooves 221 may be provided according to the selection of the actual requirement.
Alternatively, the cross-sectional shape of the linear groove 221 may be a triangle, and according to the selection of the actual situation, the cross-sectional shape of the linear groove 221 may also be other shapes such as a rectangle or an arc, and the embodiment is not limited herein.
In an embodiment of the present invention, in order to further reduce the noise generated when the oil smoke blower is used, a damping layer may be disposed on the blade 22, specifically, the blade 22 includes a second supporting layer (not shown), a second damping layer (not shown) disposed on the surface of the second supporting layer, and a second oil-proof layer (not shown) disposed on the surface of the second damping layer, that is, the blade 22 includes the second supporting layer, the second damping layer and the second oil-proof layer from inside to outside in sequence, and by disposing the damping layer on the volute 1 and the blade 22 at the same time, the structural resonance between the airflow and the volute 1 or the blade 22 can be eliminated, and the noise generated when the oil smoke blower is operated can be effectively reduced.
It should be noted that the structure of the second damping layer is the same as that of the first damping layer 142, that is, the second damping layer may also include two damping layers, and the material and thickness of the two damping layers of the second damping layer may be the same as those of the two damping layers (the damping bottom layer and the damping top layer) of the first damping layer 142, which is not described herein again in this embodiment.
Optionally, in the oil smoke blower of the embodiment of the present invention, the first supporting layer 141 and the second supporting layer may be made of stainless steel, and of course, according to the actual use, they may also be made of Polyvinyl Chloride (PVC) or aluminum alloy, and the present embodiment is not limited herein.
It should be noted that, in the oil smoke fan of the embodiment of the present invention, the coating of the normal temperature type water-based damping coating layer mainly includes water-based acrylic resin, calcium carbonate, damping modification auxiliary agent, defoaming agent and dispersing agent, and the coating of the high temperature type water-based damping coating layer mainly includes water-based acrylic resin, calcium carbonate, high temperature damping modification auxiliary agent, defoaming agent and dispersing agent, wherein, the glass transition temperature of the normal temperature type water-based damping coating layer is 20 ℃ -30 ℃, the glass transition temperature of the high temperature type water-based damping coating layer is 75 ℃ -85 ℃, so as to improve the service life of the first damping layer 142 and the second damping layer. In addition, the oil-resistant layer can have a surface energy of less than 25mJ/m2The active agent is sprayed, and particularly, but not limited to, a fluorine-silicon surfactant is sprayed to form an oil-proof layer, so as to reduce the oil smoke from adhering to the side wall of the volute 1 and the surface of the vane 22.
The utility model discloses an in the embodiment, motor 3 locates spiral case 1 one side, and motor 3 has output shaft 31, and the one end of output shaft 31 is passed behind spiral case 1's the lateral wall and is connected with impeller 2's rim board 21 screw thread, and motor 3 specifically can set up on spiral case 1's lateral wall through the mode that can dismantle the connection, for example, motor 3 can pass through the screw setting on spiral case 1's lateral wall to in maintain or clear up.
Another embodiment of the utility model provides a range hood, include as above the oil smoke fan, its silence effect is better, and use cost is lower, and safer and environmental protection more.
The above description is only an alternative embodiment of the present invention, and should not be construed as limiting the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an oil smoke fan, its characterized in that includes the spiral case, locates impeller in the spiral case, and locate one side of spiral case just is used for the drive impeller pivoted motor, the spiral case has air intake and air outlet, the lateral wall of spiral case includes by outer first supporting layer, first damping layer and the first oil-proof layer of range upon range of setting gradually to interior.
2. The lampblack blower of claim 1, wherein the impeller includes a rim plate, and a plurality of blades welded to the rim plate at intervals, the blades being hollow.
3. The lampblack fan as claimed in claim 2, wherein the vanes are arcuate in shape, and one side of the vanes is provided with a linear groove.
4. The lampblack blower of claim 3, wherein the linear grooves are triangular, rectangular or arc in cross-sectional shape.
5. The lampblack fan as claimed in claim 2, wherein the blades sequentially comprise a second supporting layer, a second damping layer and a second oil-proof layer from inside to outside.
6. The lampblack blower of any one of claims 1 to 5, wherein the motor has an output shaft, and one end of the output shaft passes through a side wall of the volute and then is in threaded connection with the impeller.
7. The lampblack fan as claimed in any one of claims 1 to 5, wherein the first damping layer is a composite damping layer, the composite damping layer comprises a damping base layer and a damping surface layer laminated on the damping base layer, and the damping base layer is arranged on the first support layer.
8. The lampblack fan as claimed in claim 7, wherein the damping base layer is a normal temperature type water-based damping coating layer, the damping surface layer is a high temperature type water-based damping coating layer, and the glass transition temperature of the high temperature type water-based damping coating layer is higher than that of the normal temperature type water-based damping coating layer.
9. The lampblack fan as claimed in claim 7, wherein the thickness of the damping base layer is 0.6 mm-1.0 mm, and the thickness of the damping surface layer is 1.1 mm-1.6 mm.
10. A range hood comprising a range hood fan according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920536199.8U CN210068506U (en) | 2019-04-18 | 2019-04-18 | Oil smoke fan and smoke ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920536199.8U CN210068506U (en) | 2019-04-18 | 2019-04-18 | Oil smoke fan and smoke ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210068506U true CN210068506U (en) | 2020-02-14 |
Family
ID=69437653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920536199.8U Active CN210068506U (en) | 2019-04-18 | 2019-04-18 | Oil smoke fan and smoke ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210068506U (en) |
-
2019
- 2019-04-18 CN CN201920536199.8U patent/CN210068506U/en active Active
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