CN110513741A - Range hood - Google Patents
Range hood Download PDFInfo
- Publication number
- CN110513741A CN110513741A CN201910822285.XA CN201910822285A CN110513741A CN 110513741 A CN110513741 A CN 110513741A CN 201910822285 A CN201910822285 A CN 201910822285A CN 110513741 A CN110513741 A CN 110513741A
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- CN
- China
- Prior art keywords
- fan assembly
- rack
- cabinet
- bracket
- range hood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention discloses a kind of range hood, comprising: rack, the machine frame inside are equipped with flue;Cabinet, the cabinet upper end are equipped with installation hole location, and the rack is set on the outside of the installation hole location, and the cabinet is equipped with backboard;Fan assembly, the fan assembly are set to the box house, and the air outlet of the fan assembly is connected to the flue;Bracket, the branch are set up in the fan assembly towards the backboard side, and the branch is provided with mounting portion and fixed part, and the mounting portion is connected with the fan assembly, and the fixed part is connected with the bracket close to described installation hole location one end.It is overwhelming majority 400Hz or less low frequency noise mode node that the present invention, which is utilized close to cabinet one end seamed edge position, and the feature that the vibrational energy transport of the mode node is minimum, by the way that bracket is directly connect with rack close to the seamed edge position of cabinet, the abnormal sound energy for vibrating fan assembly is ended at this, to eliminate abnormal sound, the effect for reducing fan assembly low frequency abnormal sound is realized.
Description
Technical field
The present invention relates to field of kitchen electric appliance, in particular to a kind of range hood.
Background technique
In range hood operational process, motor low frequency abnormal sound is the technical matters often occurred.In order to solve this
A problem, the design method of existing range hood are that vibration isolator is arranged in outside motor, reduce motor oscillating by vibration isolator and make
At low frequency abnormal sound problem, but in actual use, the effect of vibration isolator is very unsatisfactory, and can not play reduces low frequency abnormal sound
Effect.
Summary of the invention
The main object of the present invention is to propose a kind of range hood, it is intended to improve asking for range hood low frequency electric machine abnormal sound
Topic.
To achieve the above object, a kind of range hood proposed by the present invention, comprising:
Rack, the machine frame inside are equipped with flue;
Cabinet, the cabinet upper end are equipped with installation hole location, and the rack is set on the outside of the installation hole location, and the cabinet is set
There is backboard;
Fan assembly, the fan assembly are set to the box house, and the air outlet of the fan assembly is connected to the cigarette
Road;
Bracket, the branch are set up in the fan assembly towards the backboard side, and the branch is provided with mounting portion and consolidates
Determine portion, the mounting portion is connected with the fan assembly, and the fixed part and the bracket are close to described installation hole location one end
It is connected.
Optionally, the quantity of the bracket is two, and two brackets are oppositely arranged on the fan assembly two respectively
Side.
Optionally, the rack is equipped with flange close to described cabinet one end, and the flange protrudes into inside the installation hole location
And the cabinet is fitted in away from one side surface of rack;
The fixed part is connected with the flange.
Optionally, the fixed part is bonded to each other with the flange;
Along the length direction of the backboard, the length of the contact surface of the fixed part and the flange is D, D >=20mm.
Optionally, the bracket is bent to form the fixed part to side close to one end of the rack.
Optionally, the fixed part is equipped with bending part, the bending part protrude into the rack and in the rack
Wall is connected.
Optionally, the bending part is bonded to each other with the frame inner wall, along the bracket height direction, the bending part
Coincidence face length with the rack is H, H >=20mm.
Optionally, the bracket is bent to form supporting plate, the supporting plate to the backboard direction far from described mounting portion one end
It is connected on the backboard.
Optionally, gap is equipped between the mounting portion and the backboard.
Optionally, the mounting portion be equipped with locating slot, the fan assembly be equipped with fastener, the fastener with it is described
Locating slot is located by connecting.
Optionally, the cabinet is stretched out in the fan assembly part, and the fan assembly stretches out the box portion and is located at
In the rack.
Optionally, the rack is equipped with extension;
The extension protrudes into the installation hole location and is connected with the backboard.
Optionally, the bracket is radially arranged in the extension two sides along the fan assembly.
Technical solution of the present invention utilizes the mould close to cabinet one end seamed edge position for overwhelming majority 400Hz or less low frequency modal
State node, and the feature that the vibrational energy transport of the mode node is minimum, it is direct by using the assembly bracket of fan assembly
It is connected with rack close to the seamed edge position of cabinet, so that the abnormal sound energy of fan assembly vibration is ended at this, to disappear
Except abnormal sound, the effect for reducing fan assembly low frequency abnormal sound is realized.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is extractor hood structure schematic diagram in one embodiment of the invention;
Fig. 2 is Fig. 1 main view;
Fig. 3 is Fig. 1 bottom view;
Fig. 4 is sectional view along A-A in Fig. 3;
Fig. 5 is the position B partial enlarged view in Fig. 4;
Fig. 6 Fig. 1 explosive view;
Fig. 7 is rack construction schematic diagram in one embodiment of the invention;
Fig. 8 is blower noise measuring spectrogram in one embodiment of the invention;
Right support structural schematic diagram in Fig. 9 one embodiment of the invention;
Figure 10 is Fig. 9 main view;
Figure 11 is Fig. 9 left view;
Figure 12 is Fig. 9 bottom view;
Figure 13 is left support structural schematic diagram in one embodiment of the invention;
Figure 14 is Figure 13 main view;
Figure 15 is Figure 13 left view;
Figure 16 is Figure 13 bottom view.
Drawing reference numeral explanation:
Label | Title | Label | Title |
10 | Fan assembly | 11 | Spiral case |
12 | Mounting portion | 20 | Cabinet |
21 | Hole location is installed | 22 | Backboard |
30 | Rack | 31 | Flange |
32 | Extension | 40 | Bracket |
41 | Fixed part | 42 | Bending part |
43 | Supporting plate | 44 | Left support |
45 | Right support | 46 | Mounting portion |
47 | Locating slot |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is extractor hood structure schematic diagram in one embodiment of the invention, and Fig. 2 is Fig. 1 main view
Figure, the present invention proposes a kind of range hood, comprising: rack 30 is equipped with flue inside the rack 30;Cabinet 20, the cabinet
20 upper ends are equipped with installation hole location 21, and the rack 30 is set to 21 outside of installation hole location, and the cabinet 20 is equipped with backboard 22;Wind
Thermomechanical components 10, the fan assembly 10 are set to inside the cabinet 20, and the air outlet of the fan assembly 10 is connected to the flue;
Bracket 40, the bracket 40 are set to the fan assembly 10 towards 22 side of backboard, and the bracket 40 is equipped with mounting portion 46
With fixed part 41, the mounting portion 46 is connected with the fan assembly 10, and the fixed part 41 is with the bracket 40 close to institute
Installation 21 one end of hole location is stated to be connected.The bracket 40 is for connecting the fan assembly 10 and the rack 30.
Noise, vibration and sound vibration roughness (Noise, Vibration, Harshness, abbreviation NVH) model analysis can
For analyzing noise and vibrational state when motor operation, NVH mode node refers to the minimum position of Mode Shape.To described
It is found when range hood progress mode node analysis, for most 400Hz or less low frequency noises, rack 30 is close to cabinet 20
One end seamed edge position be 10 vibrational system of fan assembly mode position of joints, the position vibrational energy transmission efficiency most
Low, therefore, the fixed part 41 of the bracket 40 is connected with the rack 30 close to 20 one end seamed edge of cabinet by this programme, described
Fan assembly 10 is connected by the fixed part 41 with the rack 30, since the fixed part 41 is located at NVH mode node
Place, the vibrational energy transmission efficiency at the fixed part 41 is minimum, and then thoroughly eradicates low frequency abnormal sound.
The mounting portion 46 can be connected by the way of welding, riveting or screw connection with the fan assembly 10,
The bracket 40 is set between the fan assembly 10 and the backboard 22, reduces the same of the low frequency abnormal sound of the fan assembly 10
When, play the role of support and the installation fan assembly 10.
The bracket 40 can be connected by the way of welding, riveting or screw connection with the fan assembly 10, institute
Stating bracket 40 can make one of surface be connected with the fan assembly 10, another one table using polyhedral structure
Face is connected with the rack 30.
Referring to Fig. 3, Fig. 3 is Fig. 1 bottom view, the fan assembly 10 includes motor and the snail that outside motor is arranged in
The air outlet of shell 11, the fan assembly 10 is arranged on the spiral case 11, and the air inlet of the fan assembly 10 is away from described
Backboard 22 is arranged, and mounting portion 12 can be arranged at the air outlet position, when the air outlet protrudes into the rack 30, lead to
It crosses the mounting portion 12 and the spiral case 11 is connected with 30 internal structure of rack, realize and the fan assembly 10 is carried out
It is fixed.
The cabinet 20 is used to form a relatively semi-enclosed cavity for installing the fan assembly 10, with
Enter flue gas inside the cabinet 20, and is transported to the air outlet under the action of fan assembly 10.The cabinet
The installation hole location 21 on 20 can be adopted for installing the rack 30 and the spiral case 11, the design of the installation hole location 21
Use the prior art.
By the way that the fixed part 41 is connected with the rack 30 close to described 20 one end of cabinet, so that fan assembly 10
The vibrational energy transport generated in operational process substantially reduces, and realizing fundamentally reduces the low of the generation of fan assembly 10
The effect of frequency abnormal sound.
Fig. 4 and Fig. 5 are please referred to, Fig. 4 is sectional view along A-A in Fig. 3, and Fig. 5 is the position B partial enlarged view in Fig. 4, the branch
Installation site of the frame 40 on the fan assembly 10, can be according to installation site of the blower in the cabinet 20 come really
Fixed, in order to facilitate the installation of, in the present embodiment optionally, the quantity of the bracket 40 is two, and two brackets 40 distinguish phase
To being arranged in 10 two sides of fan assembly, the bracket 40 carries out the fan assembly 10 from 10 two sides of fan assembly
It fixes and supports, so that the vibrating noise transport that the fan assembly 10 generates reaches minimum.
In the present embodiment optionally, the mounting portion 46 is equipped with locating slot 47, and the fan assembly 10 is equipped with fastener,
The fastener is located by connecting with the locating slot 47, by the way that the locating slot 47 is arranged, can be convenient and realizes the blower fan group
The quick positioning of part 10 and the mounting portion 46, the fastener can be bolt, by fan assembly described in the bolt-through
10 spiral case 11 is simultaneously located by connecting in the locating slot 47.
Fig. 6 and Fig. 7, Fig. 6 Fig. 1 explosive view are please referred to, Fig. 7 is rack construction schematic diagram in one embodiment of the invention, at this
In one embodiment of invention, the rack 30 is equipped with flange 31 close to described 20 one end of cabinet, and the flange 31 protrudes into described
21 inside of installation hole location is simultaneously fitted in the cabinet 20 away from 30 1 side surface of rack;The fixed part 41 and the flange
31 are connected.During installation, the fixed part 41 is fitted in the flange 31 away from described towards 31 1 side surface of flange
On 30 1 side end face of rack, so that the fixed part 41 is bonded to each other with the flange 31, it can be by riveting or being bolted
Mode, the cabinet 20, flange 31 and the fixed part 41 are connected with each other towards 31 1 side surface of flange.
Since the flange 31 protrudes into inside the installation hole location 21, so that the flange 31 is fitted in the cabinet 20
When on inner wall, the relative movement of the rack 30 and the cabinet 20 can be limited, and then improves the stability of the rack 30,
It prevents the rack 30 from generating displacement, while can be convenient the interconnection of the rack 30 and the cabinet 20, improve assembling
Convenience.
Under the action of flange 31, the rack 30 and the dynamic stiffness of 20 connecting portion of cabinet are greatly enhanced,
So that the rack 30 and the deformation resistance of 20 connecting portion of the bracket 40 and the cabinet are stronger, further increase described
While the stability of rack 30, the rack 30 is avoided to generate the caused noise that misplaces.
In the fixation rack 30, the flange can be respectively set in two opposite edges of the rack 30
31, so that the bracket 40 symmetrically fixes the rack 30 from two sides, to improve the stability of the rack 30, while utilizing institute
The bracket 40 on the NVH mode node of 30 two sides of rack and 20 contact site of cabinet is stated, the fan assembly is solved
The problem of 10 low frequency abnormal sound;Extension 32 can be set in the rack 30, be located at the extension 32 described in two
Between bracket 40, the extension 32 and the cabinet 20 are connected with each other, to improve the stability of the fan assembly 10.
Since the flange 31 is fitted on 20 inner wall of cabinet, the rack 30 and the cabinet 20 can be connected
Position is sealed, and the rack 30 is avoided smoke spillage occur with described 20 mounting portion of cabinet 12.
Please continue to refer to Fig. 6, in the present embodiment optionally, the fixed part 41 is bonded to each other with the flange 31, along institute
State the length direction of backboard 22, the length of the fixed part 41 and the contact surface of the flange 31 is D, D >=20mm.The flange
31 are fitted on 20 inner wall of cabinet, and the flange 31 is far from described 30 one end of rack along the length direction of the backboard 22
(direction F as shown in Figure 2) extends, and the mounting portion 46 of the bracket 40 is connected with the fan assembly 10, the bracket 40
The other end extend along the length direction of the backboard 22, the fixed part 41 is located at the bracket 40 far from the fan assembly
10 one end.
The fixed part 41 and the flange 31 are bonded to each other away from 20 1 side end face of cabinet, the fixed part 41 with
The 31 contact surface length D of flange can choose 10mm, 15mm or 20mm etc., by using the numberical range, can guarantee
Under the premise of the fixed part 41 and the 20 connecting portion maximum dynamic stiffness of cabinet, make the vibrational energy of the fan assembly 10
Transport maximum possible is minimum state.
Referring to Fig. 8, Fig. 8 is blower noise measuring spectrogram in one embodiment of the invention, by taking D=10mm as an example, wherein
"-" line is under existing common mounting means, and the noise measuring of kitchen ventilator different spectral is as a result, wherein " - " line is this programme oil smoke
The noise measuring of machine different spectral is as a result, as seen from Figure 7, using existing scheme, the low frequency noise inspection that frequency is 200Hz is as the result is shown
It is 60 decibels, and in the present solution, the testing result for the low frequency noise that frequency is 200Hz is lower than 50 decibels, therefore, using we
Mounting means in case, clearly for the low frequency noise improvement that low frequency noise, especially frequency are 200Hz.
Please continue to refer to Fig. 3 and Fig. 6, the connection of the fixed part 41 and the flange 31 for convenience, of the invention
In one embodiment, the bracket 40 is bent to form the fixed part 41 to side close to one end of the rack 30, described solid
Determine portion 41 to be connected with the flange 31.The fixed part 41 forms bending structure with the mounting portion 46, with facilitate will be described
Cabinet 20, the flange 31 and the fixed part 41 are connected with each other.By using 41 structure of the fixed part in bending, energy
Enough make the bracket 40 that there is the good rigidity of structure, shock resistance and fall arrest performance are more preferable.
Please continue to refer to Fig. 3 and Fig. 6, in one embodiment of the invention, the fixed part 41 is equipped with bending part 42,
The bending part 42 protrudes into the rack 30 and is connected with 30 inner wall of rack.The bending part 42 and the rack 30
It is bonded to each other close to 20 1 end margin of cabinet, to facilitate the bending part 42 and the rack 30 to be connected with each other.
By the way that the bending part 42 is arranged, it can facilitate and realize that the rack 30 is connected with each other with the bracket 40.Due to
The rack 30 is NVH mode node close to described 20 one end of cabinet, by using the bending part 42 and 30 phase of rack
It connects, can reduce the vibrational energy transmission efficiency of the fan assembly 10, generation when reducing the fan assembly 10 operation
Low frequency abnormal sound.
Please continue to refer to Fig. 6, in the present embodiment optionally, along 30 height (direction the N as shown in Figure 2) side of rack
To the coincidence face length of the bending part 42 and the rack 30 is H, H >=20mm.30 short transverse of rack is by close
The direction that described 10 one end of fan assembly extends to the rack 30 far from described blower one end.
The bending part 42 protrudes into inside the rack 30, and is overlapped with 30 inner wall section of rack, the coincidence face
Length can be 10mm, 15mm or 20mm, referring to Fig. 8, wherein "-" line is existing common installation side by taking H=10mm as an example
Under formula, the noise measuring of kitchen ventilator different spectral as a result, wherein " - " line be the noise measuring of this programme kitchen ventilator different spectral as a result,
As seen from Figure 8, using existing scheme, the low frequency noise inspection that frequency is 200Hz is 60 decibels as the result is shown, and in the present solution, frequency
The testing result for the low frequency noise that rate is 200Hz is lower than 50 decibels, therefore, using the mounting means in this programme, for low
Frequency noise, especially frequency be 200Hz low frequency noise improvement clearly.
In the present embodiment, D=10mm, H=10mm can be chosen simultaneously, so that the rack 30 is connect with the bracket 40
While position has the good rigidity of structure, the vibrational energy that the fan assembly 10 generates is effectively reduced.
When the bracket 40 is to be symmetrically disposed on 10 two sides of fan assembly, the bracket 40 may include left support
44 and right support 45, the left support 44 and the right support 45 be respectively arranged on 10 two sides of fan assembly, be separately positioned on
On the NVH mode node of 10 two sides of fan assembly.
Referring to Fig. 9, right support structural schematic diagram in Fig. 9 one embodiment of the invention, during installation, the right support 45 with
It is connected on the right side of the fan assembly 10, the fixed part 41 and the rack 30 described in 45 side of right support close to turning over
Side 31 is connected, meanwhile, the bending part 42 protrudes into 30 inside of rack and is connected with 30 inner wall of rack, realizes institute
It states fixed on the right side of fan assembly 10.
Figure 10, Figure 11 and Figure 12 are please referred to, Figure 10 is Fig. 9 main view, and Figure 11 is Fig. 9 left view, and Figure 12 looks up for Fig. 9
Figure, the fixed part 41 can be symmetricly set on 45 two sides of right support, wherein fixed part 41 described in side and the flange
31 are connected, and by using 41 structure of fixed part, can be improved the rigidity of structure of the right support 45.
Figure 13 is please referred to, Figure 13 is left support structural schematic diagram in one embodiment of the invention, during installation, the left support
44 be connected on the left of the fan assembly 10, the institute in 30 left side of the fixed part 41 on the left support 44 and the rack
It states flange 31 to be connected, the left support 44 is arranged with 45 symmetrical configuration of right support.
Figure 14, Figure 15 and Figure 16 are please referred to, Figure 14 is Figure 13 main view, and Figure 15 is Figure 13 left view, and Figure 16 faces upward for Figure 13
The structure of view, the left support 44 and the right support 45 is symmetrical, the fixed part 41 on the left support 44 with
The flange 31 in 30 left side of rack is connected, and the bending part 42 on the left support 44 protrudes into 30 left side of rack,
And it is connected with 30 inner wall of rack.
Since the left support 44 and the right support 45 are respectively arranged on the NVH mode node of 10 two sides of fan assembly
On, the vibrational energy that the fan assembly 10 generates is minimum in the transport of the left support 44 and the right support 45, in turn
Realize the effect for reducing low frequency noise.
In order to further increase the rigidity of structure of the left support 44 and the right support 45, in the present embodiment optionally,
The bracket 40 is bent to form supporting plate 43 to the 20 inner wall direction of cabinet far from its 46 one end of mounting portion, and the supporting plate 43 abuts
On 20 inner wall of cabinet.The supporting plate 43 plays a supporting role to the bracket 40, and then further increases the bracket
40 rigidity of structure keeps its anti-deformation more preferable, meanwhile, it is 10 two sides of fan assembly far from described 46 one end of mounting portion
NVH mode node location will not transmit vibrational energy while the supporting plate 43 can play the effect for supporting the bracket 40
Amount, and then low frequency abnormal sound will not be generated.
Please continue to refer to Fig. 1 and Fig. 3, in one embodiment of the invention, the mounting portion 46 and the backboard 22 it
Between be equipped with gap, the mounting portion 46 is only connected with the fan assembly 10, is not connected with the backboard 22 so that
The bracket 40 is only connected in NVH mode position of joints with the rack 30, further helps in and avoids the fan assembly
The transmitting of 10 vibrational energy.
Please continue to refer to Fig. 1 and Fig. 3, in one embodiment of the invention, described in 10 part of the fan assembly stretching
Cabinet 20, the fan assembly 10 stretch out 20 part of cabinet and are located in the rack 30, when the fan assembly 10 is run
When, flue gas enters in the cabinet 20, since 10 part of fan assembly is located in the rack 30, can be avoided by institute
It states fan assembly 10 and occupies the problem that 20 inner space of cabinet causes 20 inner space of cabinet too small, and then wind pressure is avoided to damage
It loses, helps to improve the operational efficiency of fan assembly 10.
In the present embodiment optionally, the bracket 40 is radially arranged in the bracket 40 along the fan assembly 10 respectively
32 two sides of extension, when the bracket 40 is connected with each other with the rack 30,10 part of fan assembly is located at the rack
In 30, when so that the fan assembly 10 being run, windage is relatively small, helps to improve the operational efficiency of the range hood.
Since the bracket 40 is arranged radially along the fan assembly 10, when the fan assembly 10 is run, the bracket
40 can generate stable support effect, the unbalanced problem of vibrational energy on the bracket 40 to the fan assembly 10.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (13)
1. a kind of range hood characterized by comprising
Rack, the machine frame inside are equipped with flue;
Cabinet, the cabinet upper end are equipped with installation hole location, and the rack is set on the outside of the installation hole location, and the cabinet is equipped with back
Plate;
Fan assembly, the fan assembly are set to the box house, and the air outlet of the fan assembly is connected to the flue;
Bracket, the branch are set up in the fan assembly towards the backboard side, and the branch is provided with mounting portion and fixed part,
The mounting portion is connected with the fan assembly, and the fixed part is connected with the bracket close to described installation hole location one end
It connects.
2. range hood as described in claim 1, which is characterized in that the quantity of the bracket is two, two brackets
It is oppositely arranged on the fan assembly two sides respectively.
3. range hood as claimed in claim 1 or 2, which is characterized in that the rack is equipped with close to described cabinet one end and turns over
Side, the flange protrude into inside the installation hole location and are fitted in the cabinet away from one side surface of rack;
The fixed part is connected with the flange.
4. range hood as claimed in claim 3, which is characterized in that the fixed part is bonded to each other with the flange;
Along the length direction of the backboard, the length of the contact surface of the fixed part and the flange is D, D >=20mm.
5. range hood as claimed in claim 3, which is characterized in that the bracket is close to one end of the rack to a lateral bending
Folding forms the fixed part.
6. range hood as claimed in claim 1 or 2, which is characterized in that the fixed part is equipped with bending part, the bending
Portion protrudes into the rack and is connected with the frame inner wall.
7. range hood as claimed in claim 6, which is characterized in that the bending part is bonded to each other with the frame inner wall,
Along the bracket height direction, the coincidence face length of the bending part and the rack is H, H >=20mm.
8. range hood as claimed in claim 1 or 2, which is characterized in that the bracket is far from described mounting portion one end to institute
It states backboard direction and is bent to form supporting plate, the supporting plate is connected on the backboard.
9. range hood as claimed in claim 1 or 2, which is characterized in that be equipped with seam between the mounting portion and the backboard
Gap.
10. range hood as claimed in claim 1 or 2, which is characterized in that the mounting portion is equipped with locating slot, the blower
Component is equipped with fastener, and the fastener is located by connecting with the locating slot.
11. range hood as claimed in claim 1 or 2, which is characterized in that the cabinet is stretched out in the fan assembly part,
The fan assembly stretches out the box portion and is located in the rack.
12. range hood as claimed in claim 1 or 2, which is characterized in that the rack is equipped with extension;
The extension protrudes into the installation hole location and is connected with the backboard.
13. range hood as claimed in claim 12, which is characterized in that the bracket is radially arranged in along the fan assembly
The extension two sides.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910822285.XA CN110513741B (en) | 2019-08-29 | 2019-08-29 | Smoke exhaust ventilator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910822285.XA CN110513741B (en) | 2019-08-29 | 2019-08-29 | Smoke exhaust ventilator |
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CN110513741A true CN110513741A (en) | 2019-11-29 |
CN110513741B CN110513741B (en) | 2021-05-28 |
Family
ID=68629208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910822285.XA Active CN110513741B (en) | 2019-08-29 | 2019-08-29 | Smoke exhaust ventilator |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113757739A (en) * | 2021-06-25 | 2021-12-07 | 华帝股份有限公司 | Communication method of central flue system and central flue system adopting same |
CN115076743A (en) * | 2021-03-15 | 2022-09-20 | 芜湖美的厨卫电器制造有限公司 | Box shock-absorbing structure and range hood |
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