CN110686292A

CN110686292A - Fume exhaust fan

Info

Publication number: CN110686292A
Application number: CN201910965178.2A
Authority: CN
Inventors: 鲍宝申
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-01-14
Anticipated expiration: 2039-10-11
Also published as: CN110686292B

Abstract

The invention discloses a range hood, which comprises a fan frame and a fan outer cover, wherein the fan frame comprises a frame body and a first mounting plate arranged on the rear side above the frame body, the fan outer cover comprises a cover body arranged on the periphery of the frame body and second mounting plates extending towards the middle at the left end and the right end of the rear side of the cover body, and the range hood is characterized in that: the fan housing front side and the fan frame relevant position between can dismantle the connection through first installation mechanism, can dismantle the connection through second installation mechanism between first mounting panel and the second mounting panel, first installation mechanism is including setting up the first spacing post on the fan frame and set up on the fan housing and go into the first buckle couple of first spacing post from top to bottom card, second installation mechanism is including setting up the spacing post of second on first mounting panel and setting up on the second mounting panel and go into the second buckle couple that goes into the spacing post of second from top to bottom.

Description

Fume exhaust fan

Technical Field

The invention relates to an oil fume purification device, in particular to a range hood.

Background

The range hood has become one of the indispensable kitchen household electrical appliances in modern families. The range hood generally comprises a top suction type range hood and a side suction type range hood, and the top suction type range hood has more and more extensive application due to the advantages of neatness, lightness, small occupied space and the like. The top-suction type range hood generally includes a fume collecting hood, a fan housing located on the fume collecting hood, and a volute, an impeller, and a motor for driving the impeller are installed in the fan housing. The range hood works by utilizing the fluid dynamics principle, oil smoke is sucked and exhausted by the fan, partial grease particles are filtered by the filter screen, negative pressure suction is generated in the center of the fan when the impeller rotates, the oil smoke below the range hood is sucked into the fan, and the oil smoke is accelerated by the fan and then is collected and guided by the volute to be exhausted out of a room.

The fan outer cover of the existing range hood mainly has two fixing structures, the first structure is that the fan outer cover is fixed on the range hood by a connecting bracket and a screw fastener; the second is that the screw fastener is used to directly fix the fan outer cover and the range hood together; the two assembly structures are required to disassemble the whole fan mounted on the wall body when the outer cover of the fan is replaced, so that the operation steps are relatively complicated, and the mounting is not convenient; the left side surface and the right side surface of the fan outer cover cannot be flush with the fan frame; in addition, the existing outer cover is basically installed in a way that the bottom edge of the outer cover of the fan is flush with the top surface of the range hood, and the poor defects of flash seams and the like can occur.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a range hood which can be quickly installed and detached without tools aiming at the defects of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a range hood, includes fan frame and fan dustcoat, the fan frame includes the support body and sets up the first mounting panel in support body top rear side, the fan dustcoat is including setting up the cover body in the support body periphery and the second mounting panel that both ends extend to the centre about cover body rear side, its characterized in that: the fan housing front side and the fan frame relevant position between can dismantle the connection through first installation mechanism, can dismantle the connection through second installation mechanism between first mounting panel and the second mounting panel, first installation mechanism is including setting up the first spacing post on the fan frame and set up on the fan housing and go into the first buckle couple of first spacing post from top to bottom card, second installation mechanism is including setting up the spacing post of second on first mounting panel and setting up on the second mounting panel and go into the second buckle couple that goes into the spacing post of second from top to bottom.

Preferably, for the manual operation of first installation mechanism of being convenient for, the cover body is sunken upwards to be formed with the breach, the fan dustcoat still includes the connecting plate, the connecting plate sets up in breach department, the top of connecting plate, the left and right sides are connected with breach relevant position respectively, the bottom of connecting plate then is higher than the breach the connecting plate is sunken until with fan frame butt by the junction with the breach to fan frame direction, first buckle couple sets up the front side at the connecting plate.

Preferably, the first buckle couple and the first joint structure of spacing post do, first buckle couple includes first fixed plate and the first buckle that upwards extends by the bottom of first fixed plate, first fixed plate is connected with the front side of connecting plate, first buckle is made by elastic material and is located the front side of first fixed plate, first buckle upwards leans forward gradually by the bottom and extends certain distance back inwards buckling and upwards vertical extension again, first spacing post includes the U type post that transversely extends, be connected with fan frame the opening of U type post is towards fan frame.

In order to facilitate the clamping of the first buckle and the first limiting column and the resetting of the first buckle, a reset spring is arranged between the position of the first buckle close to the top and the corresponding position of the first fixing plate, and limiting structures used for limiting the position of the reset spring are arranged on the first buckle and the first fixing plate.

Preferably, for the manual operation of second installation mechanism, the second buckle couple includes the second fixed plate that is used for being connected with the second mounting panel front side of fan dustcoat and the second buckle that upwards extends by the bottom of second fixed plate, the second buckle is made by elastic material and is located the front side of second fixed plate, the second buckle upwards inclines gradually forward by the bottom and extends certain distance back and inwards buckle and upwards vertical extension again, spacing post of second is connected with the first mounting panel of fan frame, spacing post of second is the U type of horizontal extension and the opening is towards the first mounting panel of fan frame.

Preferably, for reducing the preparation precision, and adapt to the fan frame of different models, the locking hole has been seted up on the second mounting panel, set up longitudinal extension's spout on the second fixed plate, the spout runs through both sides around the second fixed plate, second buckle couple still includes the fastener, thereby the fastener can pass spout and locking hole locking second fixed plate and second mounting panel from the front side.

In order to limit the positions of the left side and the right side of the fan outer cover, the bottom of the second mounting plate of the fan outer cover is upwards sunken to form a guide groove, a limiting fixing column is arranged at the corresponding position of the fan frame, and the limiting fixing column extends backwards and is matched with the guide groove.

Be convenient for the installation of the fan dustcoat left and right sides, and be convenient for guide the gliding of fan dustcoat to be convenient for first installation mechanism and second installation mechanism's connection, the one end that the cover body was kept away from to the bottom of second mounting panel is higher than the one end with cover body coupling, the second mounting panel upwards extends the formation spigot surface gradually with cover body coupling one side bottom, to the guide way direction.

For avoiding appearing bad phenomena such as flash seams, still including being located the collection petticoat pipe of fan dustcoat below, the air intake has been seted up on the collection petticoat pipe, the air intake periphery, the left and right sides are provided with the heavy platform of undercut respectively, the left and right sides bottom of the cover body of fan dustcoat imbeds downwards on heavy platform.

Compared with the prior art, the invention has the advantages that: the detachable structure with the clamping fit on the front side and the back side is safe and convenient, the mounting structure can be quickly mounted and dismounted without any tool, the fan outer cover can be mounted and dismounted when the whole machine is in a suspended state, and the fan outer cover can be mounted and dismounted without dismounting the whole machine; the bottom end of the back of the fan outer cover is fixed with the whole machine through a positioning fixing column; the positions of the left side and the right side of the fan outer cover can be limited through the matching of the guide groove and the limiting fixing column; through set up heavy platform at collection petticoat pipe top, can prevent effectively that fan dustcoat from rocking about, avoid peripheral visible face to appear bad defects such as flash joints.

Drawings

FIG. 1 is a schematic view of a range hood according to an embodiment of the present invention;

fig. 2 is a schematic view of a hidden operation panel of the range hood according to the embodiment of the invention;

FIG. 3 is an enlarged view of a portion I of FIG. 2;

FIG. 4 is an enlarged view of portion II of FIG. 2;

FIG. 5 is an exploded view of the first mounting mechanism of the range hood according to the embodiment of the present invention;

FIG. 6 is an exploded view of the second mounting mechanism of the range hood according to the embodiment of the present invention

Fig. 7 is a schematic back view of the range hood according to the embodiment of the present invention;

FIG. 8 is a schematic view of a fan housing of a range hood according to an embodiment of the present invention;

fig. 9 is a schematic view of a fan frame of the range hood according to the embodiment of the present invention;

fig. 10 is a schematic view of a smoke collecting hood of a range hood according to an embodiment of the present invention;

FIG. 11 is an enlarged view of a portion III of FIG. 7;

FIG. 12 is an enlarged view of a portion IV of FIG. 10;

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1 and 2, a range hood comprises a smoke collecting hood 1, a fan frame 2 located above the smoke collecting hood 1 and a fan housing 3 located at the periphery of the fan frame 2, wherein a fan is arranged in the fan frame 2, so that oil smoke entering from the smoke collecting hood 1 is discharged to a common flue through the fan.

Referring to fig. 8 and 9, the blower frame 2 includes a frame body 21 having a box structure, and a first mounting plate 22 disposed above the frame body 21, the first mounting plate 22 being located at a rear side above the frame body 21 and extending laterally in a left-right direction. The blower housing 3 includes a housing 31 and two second mounting plates 32, the rear side of the housing 31 is open, the two second mounting plates 32 are formed by extending from the left and right ends of the rear side of the housing 31 toward the middle, and each second mounting plate 32 extends from the top of the housing 31 to the bottom of the housing 31. The fan housing 3 is disposed at the outer circumference of the frame body 21.

Referring again to fig. 2, 3 and 5, the connection between the front (front) of the blower housing 3 and the front of the blower housing 2 is achieved by a first mounting mechanism 4. Because fan dustcoat 3 sets up the periphery at fan frame 2, consequently, for installing on the coplanar, fan dustcoat 3 still includes connecting plate 33, and the positive bottom of the cover body 31 is upwards sunken to form breach 311, and connecting plate 33 sets up in breach 311 department, and the top of connecting plate 33, the left and right sides are connected with breach 311 relevant position respectively, and the bottom of connecting plate 33 then is higher than breach 311 to install with fan frame 2. Preferably, the connecting plate 33 is disposed at the bottom center of the cover 31. The connection plate 33 is recessed toward the fan frame 2 from the connection portion with the notch 311 until abutting against the fan frame 2. The connection plate 33 is connected to the fan frame 2 by the first mounting mechanism 4 described above.

The first mounting mechanism 4 is a detachable connecting structure, and in this embodiment, includes a first snap hook 41 disposed on the connecting plate 33 and a first limiting column 42 disposed on the blower frame 2, wherein the first snap hook 41 preferably has two portions, and the two portions are spaced apart in the left-right direction. Each first snap hook 41 includes a first fixing plate 411 and a first snap 412 extending upward from the bottom of the first fixing plate 411, the first fixing plate 411 is fixedly connected to the front side of the connecting plate 33, and the first snap 412 is located at the front side of the first fixing plate 411 and is made of an elastic material, such as elastic stainless steel, and can deform when being pressed. First buckle 412 inclines forward gradually by the bottom upwards and extends inwards and upwards vertical extension again after certain distance, is provided with return spring 413 between the position that first buckle 412 is close to the top and first fixed plate 411 relevant position, all is provided with limit structure 414 that is used for restricting return spring 413 position on first buckle 412 and the first fixed plate 411, avoids return spring 413 to take place the displacement in upper and lower left and right direction. When the blower housing 3 and the blower frame 2 are not mounted, the return spring 413 is in a natural state or a slightly compressed state. First spacing post 42 is including the U type post 421 that corresponds each first buckle couple 41 and the spliced pole 422 of connection between two U type posts 421, and U type post 421 is horizontal extension, and is preferred for the level, and its opening is towards fan frame 2, and the tip of the arm that two U type posts 421 keep away from each other is connected with fan frame 2. When the blower housing 3 and the blower frame 2 are installed, the first buckle 412 slides downwards to the first limit column 42, due to the obliquely extending lower part of the first buckle 412, the first buckle 412 is gradually pressed towards the first fixing plate 411 to be contracted until the obliquely extending lower part completely enters the lower part of the first limit column 42, the first limit column 42 is clamped with the vertically extending upper part, and the first limit column 42 is locked with the first buckle hook 41 through the elastic force of the first buckle 412 and the oblique lower part of the first buckle 412; in this process, the return spring 413 is compressed, and therefore, the elastic force of the return spring 413 can also assist the locking of the first snap hook 41 and the first stopper post 42. When the fan housing 3 and the fan frame 2 are disassembled, the first buckle 412 is pressed towards the first fixing plate 411, the fan housing 3 is lifted upwards, the first buckle 412 is separated from the first limiting column 42, the disassembly is completed, and the first buckle 412 is reset under the action of the reset spring 413.

The first mounting mechanism 4 and the smoke collecting hood 1 may be provided with an operation panel 6 at a front side thereof.

Referring to fig. 2, 4 and 6, the first mounting plate 22 of the fan frame 2 and the second mounting plate 33 of the fan housing 3 are connected by the second mounting mechanism 5. The second mounting mechanisms 5 have two, corresponding to the two second mounting plates 32, respectively, so that the balance of forces is achieved. The first mounting mechanisms 5 are detachable connection structures, and in this embodiment, each second mounting mechanism 5 includes a second snap hook 51 disposed on the fan housing 3 and a second limiting column 52 disposed on the fan frame 2. The second latch hook 51 is disposed on the top of the second mounting plate 32, and includes a second fixing plate 511 for being connected to the front side of the second mounting plate 32 of the blower housing 3 and a second latch 512 extending upward from the bottom of the second fixing plate 511. The second mounting plate 32 is provided with a locking hole 321, the second fixing plate 511 is provided with a sliding slot 513 extending in the longitudinal direction, and the sliding slot 513 penetrates through the front side and the rear side of the second fixing plate 511. The second latch 512 is located at the front side of the second fixing plate 511, and is made of an elastic material, such as elastic stainless steel, and can deform to some extent when being pressed. The second buckle 512 is inclined upwards and forwards from the bottom part gradually and extends for a certain distance, then bends inwards and extends upwards and vertically. The second snap hook 51 further includes a fastening member 514 which can pass through the sliding groove 513 and the locking hole 321 from the front side to lock the second fixing plate 511 and the second mounting plate 32. The second snap hook 51 is configured to enable the second fixing plate 511 to be locked after being adjusted to a desired height with respect to the second mounting plate 32 of the blower housing 3, thereby reducing the manufacturing accuracy required for the second snap hook 51 and the second stopper 52. The second limiting column 52 is a U-shape extending transversely, and has an opening facing the first mounting plate 22 of the fan frame 2, and two ends connected to the first mounting plate 22 of the fan frame 2.

Before the blower housing 3 and the blower frame 2 are installed, after the height of the second mounting mechanism 5 is measured, the fastener 514 is inserted through the sliding slot 513 and the locking hole 321, so that the second snap hook 51 of the second mounting mechanism 5 is fixedly installed on the second mounting plate 32 of the blower housing 3. Thereafter, when the blower housing 3 and the blower frame 2 are mounted, the second mounting mechanism 5 is mounted and dismounted in a similar manner to the first mounting mechanism 4.

Referring to fig. 7, 8, 10 to 12, one end of the second mounting plate 32 of the fan housing 3 away from the housing 31 is higher than the end connected to the housing 31. The bottom of second mounting panel 32 is sunken upwards and is formed guide way 322, and the relevant position of fan frame 2 is provided with spacing fixed column 23, and spacing fixed column 23 extends out fan dustcoat 3 backward, its size, shape and guide way 322 adaptation. The second mounting plate 32 is connected to the cover 31 at its bottom and extends upward gradually in the direction of the guide groove 322 to form a guide surface 323. Therefore, when the fan housing 3 is installed, the fixed limiting columns 23 can move along the guide surfaces 323 until entering the guide grooves 322, so that the first buckling hooks 41 of the first installation mechanism 4 and the second buckling hooks 51 of the second installation mechanism 5 can slide into the respective limiting columns vertically.

The air inlet 11 has been seted up to the centre of collection petticoat pipe 1, and air inlet 11 periphery, left and right sides are provided with sunken platform 12 of undercut respectively to the left and right sides bottom of the cover body 31 of fan dustcoat 3 can imbed downwards on sunken platform 12, avoids fan dustcoat 3 to rock about avoiding, avoids the bad defects such as flash joint to appear in the peripheral visible face.

When the fan outer cover 3 is installed, the fan outer cover 3 is fed backwards to a proper position and then slides downwards under the action of the guide surface 323 until the first buckle hook 41 and the second buckle hook 51 are respectively stressed and compressed to be clamped into the respective limiting columns, namely, the installation of the front side and the rear side of the fan outer cover 3 is completed, and in the process, the height of the second buckle 512 can be adjusted to enable the second buckle to be matched with the height of the second limiting column 52 so as to be clamped into the second limiting column 52 conveniently, and the reset spring 413 is compressed; meanwhile, after the fan housing 3 is fed backwards to the right, the fan housing slides downwards under the action of the guide surface 323, so that the limiting fixing column 23 finally enters the guide groove 322, and the left bottom and the right bottom of the cover body 31 enter the sinking platform 12, thereby completing the installation of the left side and the right side of the fan housing 3.

When the blower housing 3 is disassembled, the operation panel 6 can be disassembled to expose the first mounting mechanism 4, and then a backward force is applied to the first buckle 412 of the first mounting mechanism 4 and the second buckle 512 of the second mounting mechanism 5, so that the first buckle 412 is separated from the first limit post 42, the second buckle 512 is separated from the second limit post 52, and the blower housing 3 is disassembled.

In the structure of the invention, the front side and the rear side of the fan housing 3 are installed and positioned by the first installation mechanism 4 and the second installation mechanism 5, and the left side and the right side of the fan housing 3 are installed and positioned by the matching of the limit fixing column 23 and the guide groove 322 and the arrangement of the sinking platform 12.

Claims

1. The utility model provides a range hood, includes fan frame (2) and fan dustcoat (3), fan frame (2) include support body (21) and set up first mounting panel (22) in support body (21) top rear side, fan dustcoat (3) are including setting up at the cover body (31) of support body (21) periphery and the second mounting panel (32) of both ends to middle extension about the cover body (31) rear side, its characterized in that: fan dustcoat (3) leading flank and fan frame (2) relevant position between can dismantle the connection through first installation mechanism (4), can dismantle the connection through second installation mechanism (5) between first mounting panel (22) and second mounting panel (32), first installation mechanism (4) including set up first spacing post (42) on fan frame (2) and set up on fan dustcoat (3) and go into first buckle couple (41) of first spacing post (42) from top to bottom card, second installation mechanism (5) including set up second spacing post (52) on first mounting panel (22) and set up on second mounting panel (32) and go into second buckle couple (51) of second spacing post (52) from top to bottom card.

2. The range hood of claim 1, wherein: the cover body (31) upwards caves in and is formed with breach (311), fan dustcoat (3) still include connecting plate (33), connecting plate (33) set up in breach (311) department, the top of connecting plate (33), the left and right sides are connected with breach (311) relevant position respectively, the bottom of connecting plate (33) then is higher than breach (311), connecting plate (33) by the junction with breach (311) to fan frame (2) orientation sunken until with fan frame (2) butt, first buckle couple (41) set up the front side at connecting plate (33).

3. The range hood of claim 2, wherein: the first buckle hook (41) comprises a first fixing plate (411) and a first buckle (412) extending upwards from the bottom of the first fixing plate (411), the first fixing plate (411) is connected with the front side of the connecting plate (33), the first buckle (412) is made of elastic materials and located on the front side of the first fixing plate (411), the first buckle (412) is upwards and gradually forwards inclined from the bottom and extends for a certain distance, then inwards bent and upwards and vertically extended, the first limiting column (42) comprises a U-shaped column (421) extending transversely and connected with the fan frame (2), and the opening of the U-shaped column (421) faces the fan frame (2).

4. The range hood of claim 3, wherein: a return spring (413) is arranged between the position, close to the top, of the first buckle (412) and the corresponding position of the first fixing plate (411), and limiting structures (414) used for limiting the position of the return spring (413) are arranged on the first buckle (412) and the first fixing plate (411).

5. The range hood of claim 1, wherein: the second buckle hook (51) comprises a second fixing plate (511) and a second buckle (512), wherein the second fixing plate (511) is used for being connected with the front side of a second mounting plate (32) of the fan outer cover (3), the second buckle (512) extends upwards from the bottom of the second fixing plate (511), the second buckle (512) is made of elastic materials and is located on the front side of the second fixing plate (511), the second buckle (512) is upwards and gradually inclines forwards from the bottom and extends for a certain distance, then is bent inwards and extends upwards and vertically, the second limiting column (52) is connected with a first mounting plate (22) of the fan frame (2), and the second limiting column (52) is U-shaped and extends transversely and is opened towards the first mounting plate (22) of the fan frame (2).

6. The range hood of claim 5, wherein: the second mounting plate (32) is provided with a locking hole (321), the second fixing plate (511) is provided with a sliding groove (513) extending longitudinally, the sliding groove (513) penetrates through the front side and the rear side of the second fixing plate (511), the second buckle hook (51) further comprises a fastening piece (514), and the fastening piece (514) can penetrate through the sliding groove (513) and the locking hole (321) from the front side to lock the second fixing plate (511) and the second mounting plate (32).

7. The range hood according to any one of claims 1 to 6, wherein: the bottom of a second mounting plate (32) of the fan outer cover (3) is upwards sunken to form a guide groove (322), a limiting fixing column (23) is arranged at the corresponding position of the fan frame (2), and the limiting fixing column (23) extends backwards and is matched with the guide groove (322).

8. The range hood of claim 7, wherein: one end of the bottom of the second mounting plate (32), which is far away from the cover body (31), is higher than one end connected with the cover body (31), and the bottom of one side of the second mounting plate (32), which is connected with the cover body (31), gradually extends upwards to the direction of the guide groove (322) to form a guide surface (323).

9. The range hood according to any one of claims 1 to 6, wherein: still including collection petticoat pipe (1) that is located fan dustcoat (3) below, air intake (11) have been seted up on collection petticoat pipe (1), air intake (11) periphery, the left and right sides are provided with sunken heavy platform (12) of undercut respectively, the left and right sides bottom of the cover body (31) of fan dustcoat (3) imbeds downwards on heavy platform (12).