CN210599491U - Oil smoke pumping structure and smoke ventilator - Google Patents
Oil smoke pumping structure and smoke ventilator Download PDFInfo
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- CN210599491U CN210599491U CN201921588164.5U CN201921588164U CN210599491U CN 210599491 U CN210599491 U CN 210599491U CN 201921588164 U CN201921588164 U CN 201921588164U CN 210599491 U CN210599491 U CN 210599491U
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- 239000000779 smoke Substances 0.000 title claims abstract description 34
- 238000005086 pumping Methods 0.000 title abstract description 8
- 238000009434 installation Methods 0.000 claims description 39
- 230000007246 mechanism Effects 0.000 claims description 30
- 238000000605 extraction Methods 0.000 claims description 5
- 239000003517 fume Substances 0.000 claims description 4
- 238000010411 cooking Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 11
- 235000019504 cigarettes Nutrition 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 206010013954 Dysphoria Diseases 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
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Abstract
The utility model discloses a smoke exhaust ventilator structure and smoke ventilator, this smoke ventilator include above-mentioned smoke exhaust ventilator structure, consequently this smoke ventilator can avoid the production of abnormal sound. Oil smoke structure includes: a fan blade; the fan blade is arranged in the mounting cavity, and the air inlet area of the air inlet and/or the air outlet area of the air outlet are/is adjustable; and the driving piece comprises a rotating power output end, the rotating power output end is connected with the fan blades, and the rotating speed of the rotating power output end is set to be in negative correlation with the air inlet area of the air inlet and/or the air outlet area of the air outlet. This oil pumping cigarette structure can adjust the rotational speed that rotates power take off end through the air inlet area of adjustment air intake or the air-out area of air outlet, and then avoids rotating power take off end and reaching specific rotational speed section, and then avoids producing the abnormal sound.
Description
Technical Field
The utility model relates to a smoke ventilator technical field especially relates to a smoke exhaust structure and smoke ventilator.
Background
With the improvement of living standard of people and the improvement of requirements on kitchen cleanliness, the range hood becomes an indispensable kitchen ware for kitchens.
At present, traditional smoke ventilator's the amount of wind performance has been optimized gradually, and smoke ventilator's smoking effect has basically satisfied customer's demand, however, traditional smoke ventilator operation in-process, rotates the power take off end and produces the abnormal sound easily under specific rotational speed, and tone quality can be relatively poor, and the user is in the easy mood dysphoria in the relatively poor environment of sound tone quality for a long time, and then influences user experience.
SUMMERY OF THE UTILITY MODEL
Based on the above, aiming at the problem that the traditional range hood often generates abnormal sound and affects user experience in the operation process, the range hood and the oil smoke extraction structure are provided, the rotating speed of the rotating power output end can be adjusted by adjusting the air inlet area of the air inlet or the air outlet area of the air outlet, so that the rotating power output end is prevented from reaching a specific rotating speed section, and abnormal sound is prevented from being generated; this smoke ventilator includes above-mentioned oil pumping cigarette structure, consequently this smoke ventilator can avoid the production of abnormal sound.
The specific technical scheme is as follows:
in one aspect, the application relates to a range hood structure, include: a fan blade; the volute is provided with a mounting cavity, an air inlet and an air outlet which are communicated with the mounting cavity, and the fan blade is arranged in the mounting cavity; the driving piece comprises a rotating power output end, and the rotating power output end is connected with the fan blade; the air inlet area of the air inlet is adjustable, and the rotating speed of the rotating power output end is set to be in a negative correlation relation with the air inlet area of the air inlet; and/or the air outlet area of the air outlet is adjustable, and the rotating speed of the rotating power output end is set to be in negative correlation with the air outlet area of the air outlet.
When the oil smoke pumping structure is used, the driving piece drives the fan blades to rotate, and oil smoke enters along the air inlet and is discharged along the air outlet under the driving of the fan blades; because traditional oil pumping cigarette structure is when moving, can produce resonance phenomenon and then produce the abnormal sound when rotating power take off end under specific rotational speed, tone quality can be relatively poor, hears this kind of relatively poor tone quality for a long time and can let the people be happy, influences user experience, consequently in the application, rotate power take off end's rotational speed set up into with the air inlet area of air intake and/or the air-out area of air outlet is the negative correlation relation, therefore through the adjustment the air inlet area of air intake or the air-out area of air outlet or adjust simultaneously the air inlet area of air intake and the air-out area of air outlet just can the rotational speed of direct adjustment rotation power take off end, and then avoids rotating power take off end and reach specific rotational speed section, and then avoids producing the abnormal sound.
The technical solution is further explained below:
in one embodiment, the range hood structure further comprises a first adjusting piece, wherein the first adjusting piece is used for shielding or opening the air outlet so that the air outlet area of the air outlet can be adjusted; and/or the air inlet device also comprises a second adjusting piece, and the second adjusting piece is used for shielding or opening the air inlet to enable the air inlet area of the air inlet to be adjustable.
In one embodiment, the first adjusting piece can rotate relative to the air outlet so that the area of the air outlet is adjustable; and/or the second adjusting piece can rotate relative to the air inlet to open or shield the air inlet.
In one embodiment, the range hood structure further comprises a driving mechanism, wherein the driving mechanism is used for driving the first adjusting piece to rotate relative to the air outlet; and/or the driving mechanism is used for driving the second adjusting piece to rotate relative to the air inlet.
In one embodiment, the range hood structure further comprises a first adjusting piece, the first adjusting piece comprises a shielding body and an installation body, one end of the installation body is connected with the shielding body and arranged at an included angle, the installation body is rotatably arranged on the volute, and the driving mechanism is used for driving the installation body to rotate to drive the shielding body to rotate.
In one embodiment, the driving mechanism includes an expansion piece and a connecting piece, a sliding groove is formed in a side wall of the other end of the mounting body, one end of the connecting piece is rotatably connected with the expansion end of the expansion piece, the other end of the connecting piece is in sliding fit with the sliding groove, and the expansion piece is used for driving the connecting piece to rotate so that the other end of the connecting piece slides relative to the sliding groove and drives the shielding body to rotate.
In one embodiment, the other end of the connecting piece is provided with a spherical sliding part which is in sliding fit with the sliding groove.
In one embodiment, the volute casing is further provided with a through hole communicated with the installation cavity, the first adjusting piece and/or the second adjusting piece are/is rotatably arranged in the through hole, one end of the shielding body penetrates through the through hole to be connected with one end of the installation body, the other end of the shielding body is arranged in the installation cavity, and the driving mechanism is arranged outside the installation cavity; or one end of the mounting body penetrates through the through hole to be connected with one end of the shielding body, the other end of the shielding body is arranged in the mounting cavity, and the driving mechanism is arranged outside the mounting cavity.
In one embodiment, the range hood structure further comprises a third adjusting piece, wherein the third adjusting piece can move relative to the air outlet to open or shield the air outlet; and/or the air inlet is provided with a fourth adjusting piece which can move relative to the air inlet to open or shield the air inlet.
In one embodiment, the volute further comprises a guide structure disposed within the mounting cavity; the third adjusting piece is movably arranged on the guide structure, and when the third adjusting piece moves to a first preset position, the third adjusting piece shields the air outlet, and when the third adjusting piece moves to a second preset position, the third adjusting piece opens the air outlet; and/or the air conditioner further comprises a fourth adjusting piece, wherein the fourth adjusting piece is movably arranged on the guide structure, when the fourth adjusting piece moves to a third preset position, the fourth adjusting piece shields the air inlet, and when the fourth adjusting piece moves to a fourth preset position, the fourth adjusting piece opens the air inlet.
On the other hand, this application still relates to a smoke ventilator, includes the oil extraction cigarette structure in any above-mentioned embodiment.
When the range hood is used, the driving piece drives the fan blades to rotate, and under the driving of the fan blades, oil smoke enters along the air inlet and is discharged along the air outlet; because traditional oil pumping cigarette structure is when moving, can produce resonance phenomenon and then produce the abnormal sound when rotating power take off end under specific rotational speed, tone quality can be relatively poor, hears this kind of relatively poor tone quality for a long time and can let the people be happy, influences user experience, consequently in the application, rotate power take off end's rotational speed set up into with the air inlet area of air intake and/or the air-out area of air outlet is the negative correlation relation, therefore through the adjustment the air inlet area of air intake or the air-out area of air outlet or adjust simultaneously the air inlet area of air intake and the air-out area of air outlet just can the rotational speed of direct adjustment rotation power take off end, and then avoids rotating power take off end and reach specific rotational speed section, and then avoids producing the abnormal sound.
Drawings
Fig. 1 is a schematic view of a smoke exhaust structure;
fig. 2 is an exploded view of the structure of the cooking fume extractor of fig. 1;
FIG. 3 is a schematic view of the first adjusting member in a state of opening the air inlet or the air outlet;
FIG. 4 is a schematic view of the first adjusting member in a state of shielding the air inlet or the air outlet;
FIG. 5 is a schematic view of the volute;
fig. 6 is a schematic structural view of the first adjusting member.
Description of reference numerals:
10. a smoke exhaust structure; 100. a fan blade; 200. a volute; 210. a mounting cavity; 220. an air outlet; 230. an air inlet; 240. a through hole; 250. an installation part; 300. a drive member; 400. a first adjustment member; 410. a shielding body; 420. an installation body; 422. a chute; 500. a drive mechanism; 510. a telescoping member; 512. a telescoping end of the telescoping member; 520. a connecting member; 522. a sliding part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be integral with the other element or can be removably connected to the other element.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Further, it is to be understood that, in the present embodiment, the positional relationships indicated by the terms "lower", "upper", "front", "rear", "left", "right", "inner", "outer", "top", "bottom", "one side", "the other side", "one end", "the other end", and the like are based on the positional relationships shown in the drawings; the terms "first," "second," and the like are used herein to distinguish one structural element from another. These terms are merely for convenience of description and simplicity of description, and are not to be construed as limiting the present invention.
When the traditional oil smoke pumping structure operates, the rotation power output end can generate resonance phenomenon at a specific rotating speed so as to generate abnormal sound, and the tone quality can be poor. Hearing such poor tone quality for a long time can be annoying to people and affect user experience.
In order to solve the above problem, as shown in fig. 1 to 4, an embodiment of a range hood includes a smoke exhaust structure 10, where the smoke exhaust structure 10 includes: the fan blade 100 is arranged in the installation cavity 210, and the air inlet area of the air inlet 230 and/or the air outlet area of the air outlet 220 are/is adjustable; the driving member 300 includes a rotation power output end, the rotation power output end is connected to the fan blade 100, and the rotation speed of the rotation power output end is set to be in a negative correlation with the air inlet area of the air inlet 230 and/or the air outlet area of the air outlet 220.
When the oil smoke exhausting structure 10 and the smoke exhaust ventilator are used, the driving member 300 drives the fan blades 100 to rotate, and oil smoke enters along the air inlet 230 and is exhausted along the air outlet 220 under the driving of the fan blades 100; in this embodiment, the rotation speed of the rotational power output end is set to be in a negative correlation with the air inlet area of the air inlet 230 and/or the air outlet area of the air outlet 220, so that the rotation speed of the rotational power output end can be directly adjusted by adjusting the air inlet area of the air inlet 230 or the air outlet area of the air outlet 220, or adjusting the air inlet area of the air inlet 230 and the air outlet area of the air outlet 220 at the same time, thereby preventing the rotational power output end from reaching a specific rotation speed section and further avoiding noise. The rotation speed of the rotary power output end is set to be in a negative correlation relation with the air inlet area of the air inlet 230 and/or the air outlet area of the air outlet 220, which means that: when the air inlet area of the air inlet 230 is increased or the air outlet area of the air outlet 220 is increased or the air inlet area of the air inlet 230 and the air outlet area of the adjusting air outlet 220 are increased at the same time, the rotating speed of the rotary power output end is reduced, and when the air inlet area of the air inlet 230 is reduced or the air outlet area of the air outlet 220 is reduced or the air inlet area of the air inlet 230 and the air outlet area of the adjusting air outlet 220 are reduced at the same time, the rotating speed of the rotary power output end is increased.
It should be noted that the air inlet area of the air inlet 230 refers to an area of a portion of the air inlet 230 that actually performs an air inlet function, and the air outlet area of the air outlet 220 refers to an area of a portion of the air outlet 220 that actually performs an air outlet function.
The driving member 300 may be an open-loop control motor, when the air outlet area of the air outlet 220 is adjusted or the air inlet area of the air inlet 230 is adjusted, the wind blocking condition of the air outlet 220 may affect the rotation speed of the motor or the wind blocking condition of the air inlet 230 may affect the rotation speed of the motor, and when the area of the air outlet 220 is smaller, the wind blocking degree is larger, the rotation speed is higher, or when the area of the air inlet 230 is smaller, the rotation speed is higher when the wind blocking degree is larger.
In this embodiment, the range hood structure 10 further includes a first adjusting member 400, and the first adjusting member 400 is used to block or open the air outlet 220 so that the air outlet area of the air outlet 220 is adjustable, so that when the first adjusting member 400 blocks the air outlet 220, the air outlet area of the air outlet 220 is reduced; when the first adjusting member 400 opens the air outlet 220, the air outlet area of the air outlet 220 increases. And/or a second adjusting part for blocking or opening the air inlet 230 so that the air inlet area of the air inlet 230 is adjustable. Thus, when the second adjusting member blocks the air inlet 230, the air inlet area of the air inlet 230 is reduced; when the second adjusting member opens the intake vent 230, the intake area of the intake vent 230 increases.
Certainly, there are many ways to realize that the first adjusting part 400 blocks or uncovers the air outlet 220, as shown in fig. 3 and 4, specifically, in this embodiment, the range hood structure 10 further includes the first adjusting part 400, and the first adjusting part 400 can rotate relative to the air outlet 220 to open or block the air outlet 220; in this way, the air outlet 220 is blocked or opened by driving the first adjusting member 400 to rotate, so as to adjust the air outlet area of the air outlet 220; of course, there are many ways to realize that the second adjusting member blocks or opens the air inlet 220, and specifically in this embodiment, the range hood structure 10 further includes the second adjusting member, and the second adjusting member can rotate relative to the air inlet 230 to open or block the air inlet 230, so that the second adjusting member is driven to rotate to block or open the air inlet 230, thereby realizing adjustment of the air inlet area of the air inlet 230; specifically, the first adjusting member 400 may be rotatably disposed in the installation cavity 210 or outside the installation cavity 210, and there are various ways to rotatably connect the first adjusting member 400 and the scroll casing 200, such as hinging or connecting through a rotating shaft. Specifically, the second adjusting member may be rotatably disposed in the installation cavity 210 or outside the installation cavity 210, and there are various ways to rotatably connect the second adjusting member and the scroll casing 200, such as hinging or connecting through a rotating shaft.
Specifically, in order to drive the first adjusting member 400 and the second adjusting member to rotate, as shown in fig. 3 and fig. 4, in this embodiment, the range hood structure 10 further includes a driving mechanism 500, and the driving mechanism 500 is configured to drive the first adjusting member 400 to rotate relative to the air outlet 220; of course, the driving mechanism 500 may also be used to drive the second adjusting member to rotate relative to the air inlet 230, so that the driving mechanism 500 drives the second adjusting member to rotate, which is convenient for use. Specifically, the driving mechanism 500 may include a first motor, the first adjusting part 400 is disposed on a rotating shaft of the first motor, and the rotating shaft of the first motor drives the first adjusting part 400 to rotate, so as to open or block the air outlet 220; or the driving mechanism 500 may include a second motor, the second adjusting part is disposed on the rotating shaft of the second motor, and the rotating shaft of the second motor drives the second adjusting part to rotate, so as to open or block the air inlet 230, of course, the driving mechanism may also include a first motor and a second motor at the same time, and the first adjusting part 400 is driven to rotate by the first motor, and the second adjusting part is driven to rotate by the second motor.
Specifically, in this embodiment, the first adjusting element 400 includes a shielding body 410 and an installation body 420, one end of the installation body 420 is connected to the shielding body 410 and is disposed at an included angle, the installation body 420 is rotatably disposed on the spiral case 200, and the driving mechanism 500 is configured to drive the installation body 420 to rotate to drive the shielding body 410 to rotate, so that when the shielding body 410 rotates, the air outlet 220 can be shielded or opened, and the air outlet area of the air outlet 220 can be correspondingly adjusted. Specifically, the fact that one end of the installation body 420 is connected to and disposed at an angle with the shielding body 410 does not include the case that one end of the installation body 420 is at an angle of 0 ° or 180 ° with the shielding body 410.
It should be noted that, when the first adjusting member 400 blocks the air outlet 220, the air outlet 220 may be completely blocked or partially blocked according to the requirement; preferably, in order to enable the oil smoke exhausting structure 10 to operate smoothly and stably, the first adjusting member 400 partially blocks the air outlet 220, and in the process of rotating the first adjusting member 400, the first adjusting member 400 can be gradually driven to rotate as required to enable the first adjusting member 400 to adjust the air outlet area of the air outlet 220, when the first adjusting member 400 rotates to a preset position, the air outlet 220 has an air outlet area, at this time, the rotational power output end of the driving member 300 corresponds to a rotational speed, and further, the specific rotational speed of the rotational power output end of the driving member 300 can be enabled to generate a resonance phenomenon. Similarly, the second adjusting part can completely shield or partially shield the air outlet 220 as required when shielding the air inlet 230, preferably, in order to enable the oil smoke exhaust structure 10 to operate smoothly and stably, the second adjusting part partially shields the air inlet 230, and in the process of rotating the second adjusting part, the second adjusting part can be gradually driven to rotate as required to enable the second adjusting part to adjust the air inlet area of the air inlet 230, when the second adjusting part rotates to a preset position, the air inlet 230 has an air outlet area, the rotating power output end of the driving part 300 corresponds to a rotating speed at the moment, and further the specific rotating speed of the rotating power output end of the driving part 300 can be enabled to generate a resonance phenomenon.
Further, as shown in fig. 3 and fig. 4, specifically in this embodiment, the driving mechanism 500 includes an expansion member 510 and a connecting member 520, a sliding slot 422 is formed in a side wall of the other end of the mounting body 420, one end of the connecting member 520 is rotatably connected to an expansion end 512 of the expansion member, the other end of the connecting member 520 is in sliding fit with the sliding slot 422, at this time, the driving mechanism 500 and the first adjusting member 400 form a "push rod crank structure", the expansion member 510 is used for driving the connecting member 520 to rotate so that the other end of the connecting member 520 slides relative to the sliding slot 422 and drives the shielding body 410 to rotate, at this time, when the expansion end 512 of the expansion member extends, one end of the connecting member 520 rotates relative to the expansion end 512 of the expansion member, the other end of the connecting member 520 slides relative to the sliding slot 422, when the other end of the connecting member 520 slides, the shielding body 410 opens the air outlet 220, so that the air outlet area of the air outlet 220 can be increased; when the telescopic end 512 of the telescopic part is contracted, one end of the connecting part 520 rotates relative to the telescopic end 512 of the telescopic part, the other end of the connecting part 520 slides relative to the chute 422, when the other end of the connecting part 520 slides, the other end of the connecting part 520 can pull the mounting body 420 to rotate, and then the shielding body 410 is driven to rotate, at the moment, the shielding body 410 shields the air outlet 220, and thus, the air outlet area of the air outlet 220 can be reduced. Specifically, the extension member 510 may be a pneumatic extension rod, the connection member 520 may be a connection rod, the blocking member may block the blocking member, and the mounting member 420 may also be a mounting rod or a mounting plate.
As shown in fig. 3, specifically in the present embodiment, the other end of the connecting member 520 is provided with a spherical sliding portion 522, and the sliding portion 522 is slidably engaged with the sliding slot 422, so that when the spherical sliding portion 522 is engaged with the sliding slot 422, the sliding friction of the sliding portion 522 can be reduced, and the sliding portion 522 can slide more smoothly on the sliding slot 422.
As shown in fig. 5, specifically in this embodiment, the spiral casing 200 further has a through hole 240 communicating with the installation cavity 210, the first adjusting member 400 is rotatably disposed in the through hole 240, one end of the shielding body 410 passes through the through hole 240 to be connected with one end of the installation body 420, the other end of the shielding body 410 is disposed in the installation cavity 210, the driving mechanism 500 is disposed outside the installation cavity 210, or one end of the installation body 420 passes through the through hole 240 to be connected with one end of the shielding body 410, the other end of the shielding body 410 is disposed in the installation cavity 210, and the driving mechanism 500 is disposed outside the installation cavity 210. In this way, by disposing the driving mechanism 500 outside the mounting cavity 210, the internal space of the mounting cavity 210 can be reduced; specifically, there are various ways to rotatably arrange the first adjusting member 400 in the through hole 240, in this embodiment, the shielding body 410 or the mounting body 420 is connected to the rotating shaft, and the outer wall of the scroll casing 200 is provided with the mounting portion 250 for mounting the rotating shaft. In the present embodiment, the mounting portion 250 has a mounting groove structure.
Of course, in other embodiments, the range hood structure 10 further includes a third adjusting member, and the third adjusting member can move relative to the air outlet 220 to open or block the air outlet 220; in this way, the air outlet 220 is shielded or opened by driving the second adjusting part to move, so that the air outlet area of the air outlet 220 is adjusted; and/or a fourth adjusting part is further included, the fourth adjusting part can move relative to the air inlet 230 to open or shield the air inlet 230, so that the air inlet 230 is shielded or opened by driving the fourth adjusting part to move, and the air inlet area of the air inlet 230 is adjusted; specifically, the fourth adjustment member may be disposed inside the installation cavity 210 or outside the installation cavity 210. Specifically, the fourth adjusting member can be driven by the linear driving mechanism 500 to move relative to the air outlet 220 or the air inlet 230; the linear driving mechanism can be a pneumatic telescopic rod or a linear motor or a connecting mechanism and the like.
Specifically, in this embodiment, the volute 200 further includes a guiding structure, and the guiding structure is disposed in the installation cavity 210; the third adjusting member is movably disposed on the guiding structure, and when the third adjusting member moves to a first preset position, the third adjusting member blocks the air outlet 220, and when the third adjusting member moves to a second preset position, the third adjusting member opens the air outlet 220; thus, the air outlet 220 is shielded or opened by driving the third adjusting member to move directionally along the guiding structure, so that the air outlet area of the air outlet 220 is adjustable; and/or the fourth adjusting member is movably arranged on the guide structure, when the fourth adjusting member moves to a third preset position, the fourth adjusting member shields the air inlet 230, and when the fourth adjusting member moves to a fourth preset position, the fourth adjusting member opens the air inlet 230, so that the air inlet 230 is shielded or opened by driving the fourth adjusting member to move directionally along the guide structure, and the air inlet area of the air inlet 230 is adjustable; specifically, the guide structure may be a guide rail or a guide member provided with a guide groove.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (11)
1. A kind of oil fume extracting structure, characterized by comprising:
a fan blade;
the volute is provided with a mounting cavity, an air inlet and an air outlet which are communicated with the mounting cavity, and the fan blade is arranged in the mounting cavity;
the driving piece comprises a rotating power output end, and the rotating power output end is connected with the fan blade;
the air inlet area of the air inlet is adjustable, and the rotating speed of the rotating power output end is set to be in a negative correlation relation with the air inlet area of the air inlet; and/or the air outlet area of the air outlet is adjustable, and the rotating speed of the rotating power output end is set to be in negative correlation with the air outlet area of the air outlet.
2. The cooking fume extraction structure of claim 1, further comprising a first adjusting member, wherein the first adjusting member is used for shielding or opening the air outlet so that the air outlet area of the air outlet is adjustable; and/or the air inlet device also comprises a second adjusting piece, and the second adjusting piece is used for shielding or opening the air inlet to enable the air inlet area of the air inlet to be adjustable.
3. The range hood structure of claim 2, wherein the first adjustment member is rotatable relative to the outlet to adjust the area of the outlet; and/or the second adjusting piece can rotate relative to the air inlet to open or shield the air inlet.
4. The range hood structure of claim 3, further comprising a drive mechanism for driving the first adjustment member to rotate relative to the outlet; and/or the driving mechanism is used for driving the second adjusting piece to rotate relative to the air inlet.
5. The range hood structure of claim 4, further comprising a first adjusting member, wherein the first adjusting member comprises a shielding body and an installation body, one end of the installation body is connected with the shielding body and is arranged at an included angle, the installation body is rotatably arranged on the volute, and the driving mechanism is used for driving the installation body to rotate to drive the shielding body to rotate.
6. The range hood structure according to claim 5, wherein the driving mechanism comprises an expansion member and a connecting member, a sliding slot is formed in a side wall of the other end of the mounting body, one end of the connecting member is rotatably connected with the expansion end of the expansion member, the other end of the connecting member is in sliding fit with the sliding slot, and the expansion member is used for driving the connecting member to rotate so that the other end of the connecting member slides relative to the sliding slot and drives the shielding body to rotate.
7. The cooking fume extraction structure of claim 6, wherein the other end of the connecting member is provided with a spherical sliding portion, and the sliding portion is in sliding fit with the sliding groove.
8. The oil smoke extraction structure of claim 5, wherein the volute further defines a through hole communicating with the installation cavity, the first adjusting member and/or the second adjusting member are rotatably disposed in the through hole, one end of the shielding body passes through the through hole and is connected with one end of the installation body, the other end of the shielding body is disposed in the installation cavity, and the driving mechanism is disposed outside the installation cavity; or one end of the mounting body penetrates through the through hole to be connected with one end of the shielding body, the other end of the shielding body is arranged in the mounting cavity, and the driving mechanism is arranged outside the mounting cavity.
9. The range hood structure of claim 2, further comprising a third adjustment member movable relative to the outlet opening to open or block the outlet opening; and/or the air inlet is provided with a fourth adjusting piece which can move relative to the air inlet to open or shield the air inlet.
10. The range hood structure of claim 9, wherein the volute further comprises a guide structure disposed within the mounting cavity; the third adjusting piece is movably arranged on the guide structure, and when the third adjusting piece moves to a first preset position, the third adjusting piece shields the air outlet, and when the third adjusting piece moves to a second preset position, the third adjusting piece opens the air outlet; and/or the air conditioner further comprises a fourth adjusting piece, wherein the fourth adjusting piece is movably arranged on the guide structure, when the fourth adjusting piece moves to a third preset position, the fourth adjusting piece shields the air inlet, and when the fourth adjusting piece moves to a fourth preset position, the fourth adjusting piece opens the air inlet.
11. A range hood comprising the range hood structure of any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921588164.5U CN210599491U (en) | 2019-09-23 | 2019-09-23 | Oil smoke pumping structure and smoke ventilator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921588164.5U CN210599491U (en) | 2019-09-23 | 2019-09-23 | Oil smoke pumping structure and smoke ventilator |
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| CN210599491U true CN210599491U (en) | 2020-05-22 |
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| CN201921588164.5U Active CN210599491U (en) | 2019-09-23 | 2019-09-23 | Oil smoke pumping structure and smoke ventilator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529406A (en) * | 2019-09-23 | 2019-12-03 | 珠海格力电器股份有限公司 | Oil smoke pumping structure and smoke ventilator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529406A (en) * | 2019-09-23 | 2019-12-03 | 珠海格力电器股份有限公司 | Oil smoke pumping structure and smoke ventilator |
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