TWM639768U - Separation type range hood with detachable filter unit - Google Patents

Abstract

A detachable range hood with detachable filter screen device includes a casing, a smoke collection box, and a filter screen device. The smoke collection box covers the air inlet port of the machine casing, and includes an outer box wall, a flow guiding shell, and a cover plate. The outer box wall is fixed around the air inlet port, the diversion housing is arranged inside the outer box wall, the cover plate is fixedly connected to the top of the outer box wall, and the top end of the diversion housing is fixedly connected to the cover plate. The bottom edge of the air guide housing has a plurality of outward shielding wings, which are adjacent to the inner surface of the air inlet port. The filter screen device is detachably arranged on the air inlet port, and it includes a first plate body, a second plate body, a telescopic buckle unit, and a filter screen unit. The first board is detachably connected to the second board, the filter unit is arranged between the first board and the second board, and the telescopic buckle unit is arranged on the first board to be buckled on the air inlet port the inner side of the

Description

Separate range hood with detachable filter unit

The invention relates to a detachable range hood with a detachable filter device, in particular to a detachable range hood, which separates the exhaust motor from the range hood casing, and the filter screen is replaceable.

In the range hoods of the prior art, take the Nakajima type range hood as an example, in order to reduce noise, the exhaust motor is separated from the range hood casing, and the exhaust motor is placed outside the house, similar to a separate air conditioner. Among them, the fume collecting hood of the range hood is made of bent metal plate, and is usually connected to the casing by screws or rivets. The inside of the fume collecting hood, that is, the part where the fumes are concentrated, is hard to avoid exposing some fixing screws. . These screws for fixing are not only unsightly, but also cause turbulent flow of oily fume, reducing the fluency of oily fume flow. Furthermore, oil fume adheres to the screws, making it difficult to clean and wipe.

In addition, the filter screen device of the existing range hood must be cleaned after being used for a period of time, and the filter screen device needs to be disassembled for cleaning to remove the grease on the filter screen device. The filter device is bulky and heavy. The filter device in the past may fall directly downward during the disassembly process, and the oil dirt may contaminate the stove or pan, causing inconvenience in disassembly and cleaning. An accidentally dropped strainer unit can also damage the stove or pan. In addition, due to the trend of environmental protection, how to reduce the consumables of the filter device and avoid waste is also a subject that this creation intends to solve.

Therefore, how to overcome the above defects by improving the structural design has become one of the issues to be solved in this technical field.

The technical problem to be solved in this creation is to provide a separate range hood with a detachable filter device in view of the deficiencies of the prior art, to provide a separate range hood, the smoke collection box can reduce the exposed screws for fixing, and Improve the smoothness of oil fume flow, increase the appearance and facilitate cleaning; in addition, it has a detachable filter device.

In order to solve the above technical problems, one of the technical solutions adopted in this creation is to provide a separate range hood with a detachable filter device, which includes a casing, a smoke collection box, and a filter device . The casing has an upper wall, a lower wall and an air inlet port, and the air inlet port passes through the upper wall and the lower wall. The smoke collecting box covers the air inlet port and protrudes from the upper wall. The smoke collecting box includes an outer box wall, a diversion shell, and a cover plate. The outer box wall is fixed Around the air inlet port, the guide housing is arranged inside the outer box wall, the cover plate is fixedly connected to the top of the outer box wall, and the top end of the guide housing is fixed ground connected to the cover plate, the cover plate has an air outlet port, the air outlet port connects the smoke collecting box to the air inlet port of the casing, the bottom of the guide housing The edge does not exceed the lower wall of the casing and is a predetermined distance away from the lower wall, the bottom edge of the flow guide housing has a plurality of outward shielding wings, and the plurality of shielding wings are adjacent to the The inner surface of the air inlet port; wherein the oil fume passes through the guide housing to reduce turbulent flow, and then is discharged from the air outlet port of the cover plate. The filter screen device is detachably arranged on the air inlet port, the filter screen device is adjacent to the plurality of shielding wings, and the filter screen device includes a first plate body, a second plate body, and a telescopic buckle unit, and a filter unit, the first plate is detachably connected to the second plate, the filter unit is arranged between the first plate and the second plate , the telescopic buckle unit is arranged on the first board to be buckled on the inner surface of the air inlet port.

One of the beneficial effects of this creation is that the separate range hood provided by this creation has a detachable filter screen device, which can be fixed around the air inlet port through "the outer box wall, and the guide The housing is arranged inside the outer box wall, and the cover plate is fixedly connected to the outer box wall The top of the box wall, the top of the guide housing is fixedly connected to the cover plate" and "the first plate is detachably connected to the second plate, and the filter unit is arranged on the Between the first board and the second board, the telescopic buckle unit is arranged on the first board so as to be buckled on the inner side of the air inlet port", improving the set The smoke box reduces the exposed fixing screws, improves the smooth flow of oil fume, increases the appearance and is easy to clean, and has a detachable filter device.

In order to further understand the characteristics and technical content of this creation, please refer to the following detailed description and drawings about this creation. However, the provided drawings are only for reference and explanation, and are not used to limit this creation.

100: Separate range hood

10: Chassis

10C: Inlet port

101: inner side

11: upper wall

112: joint wall

12: lower wall

120: hooking hole

122: Buckle hole

14: Blocking parts

141: vertical part

142: Horizontal Department

20: Smoke collection box

21: Outer box wall

211, 212, 213, 214: boxboard

23: Diversion housing

231: diversion top wall

2310: wind hole

232a, 232b, 232c, 232d: guide side wall

2322: concave design area

233: Covering the wings

25: cover plate

250: Outlet port

251: cover the top wall

2510: Second wire hole

252: Assembling the skirt wall

30: Control box

70: Casing

G: Gap

S1, S2, S3: fixed elements

50: filter device

51: The first plate body

511: Bottom plate

512: First side panel

5120: The first fixing hole

513: The first air hole

514: the first through hole

515: hook slot

516: assembly hole

517: hook piece

5171: Horizontal Department

5172: hook

52: Telescopic buckle unit

521: Pulling Department

522: buckle part

53: The second board body

531: top plate

532: Second side panel

5320: Second fixing hole

533:Second ventilation hole

534: second through hole

54:Filter unit

54a: The first metal mesh

54b: Second metal mesh

55: screw

Fig. 1 is a three-dimensional schematic diagram of a separate range hood with a detachable filter device according to the present invention.

Fig. 2 is a partial exploded view of the separate range hood of this creation.

Fig. 3 is another partial exploded view of the separate range hood of this creation.

Fig. 4 is a three-dimensional view of the screen device of the invention.

Fig. 5 is another perspective view of the filter screen device of the present invention.

Fig. 6 is a three-dimensional exploded view of the screen device of the invention.

Fig. 7 is a cross-sectional view along line VII-VII of Fig. 1 .

Fig. 8 is a cross-sectional view along line VIII-VIII of Fig. 1 .

The implementation manners disclosed in this creation are described below through specific specific examples, and those skilled in the art can understand the advantages and effects of this creation from the content disclosed in this specification. This creation can be implemented or applied through other different specific embodiments, and each detail in this specification Sections can also be modified and changed based on different viewpoints and applications without departing from the idea of this creation. In addition, the drawings of this creation are only for simple illustration, not according to the actual size of the depiction, prior statement. The following embodiments will further describe the relevant technical content of this creation in detail, but the disclosed content is not intended to limit the protection scope of this creation.

Please refer to Fig. 1 to Fig. 3, this invention provides a kind of detachable range hood 100 with detachable filter device, or simply detachable range hood 100, which includes a casing 10, a smoke collection box 20 and a The filter device 50 is detachably disposed on the casing 10 . The above-mentioned "separate type" means that the exhaust motor (not shown) is separated from the smoke collecting box 20, which is arranged outside the smoke collecting box 20, and the range hood 100 is connected to the The suction motor (not shown) discharges the air to the outside. In this embodiment, the air extraction motor (or separate main engine) is moved to the outside of the smoke collection box 20, which can be installed outdoors, which can not only reduce indoor noise, but also reduce the height of the smoke collection box 20, so that the separate exhaust The indoor mechanism of the range hood 100 is greatly reduced in height and weight, which is convenient for installation.

As shown in FIG. 2 and FIG. 3 , FIG. 2 and FIG. 3 are partially enlarged and exploded views of FIG. 1 . The casing 10 is roughly a rectangular casing with an inverted cover. The casing 10 has an upper wall 11 , a lower wall 12 and an air inlet port 10C. The air inlet port 10C passes through the upper wall 11 and the lower wall 12 . The air inlet port 10C means the air inlet where oil fume enters. The air inlet port 10C of this embodiment is in the shape of a rectangular quadrilateral. The upper wall 11 is parallel to the lower wall 12 . However, the present invention is not limited thereto. For example, the lower wall may also be arranged in an inclined shape, and the lower wall is arranged obliquely below the upper wall 11 .

The smoke collecting box 20 covers the air inlet port 10C and protrudes from the upper wall 11 . The smoke collecting box 20 includes an outer box wall 21 , a flow guiding shell 23 , and a cover plate 25 . The outer box wall 21 is fixed around the air inlet port 10C. For example, the part of the outer box wall 21 near the bottom edge is fixed on the upper edge of the air inlet port 10C or the inner surface of the air inlet port 10C with fixing elements such as screw locks or riveting. The details will be described in detail later with examples. The outer box wall 21 provides a fixing function. The flow guide housing 23 is disposed inside the outer box wall 21, which can provide a smooth surface, increase smooth air flow, and facilitate maintenance and cleaning. The cover plate 25 is fixedly connected to the top of the outer box wall 21 , for example by means of screw lock or riveting, details of the connection will be described in detail later with examples. The top of the guide housing 23 is fixedly connected The connection to the cover plate 25 is fixed by, for example, spot welding or riveting. Details of the connection will be described in detail with examples later.

The cover plate 25 has an air outlet port 250 , and the air outlet port 250 communicates with the smoke collecting box 20 to the air inlet port 10C of the casing 10 . The bottom edge of the flow guide housing 23 does not exceed the lower wall 12 of the casing 10 and is a predetermined distance away from the lower wall 12 , the predetermined distance is available for installation of the filter device 50 (as shown in FIG. 5 ). The bottom edge of the diversion housing 23 has a plurality of shielding wings 233 outward, and the number of shielding wings 233 may be equal to or less than the number of diversion side walls (232a, 232c, 232d), and three are provided in this embodiment. The wings 233 are shielded. The shielding wings 233 are adjacent to the inner surface 101 of the air inlet port 10C. In this creation, the above-mentioned structure is set, and the guide housing 23 covers the fixing elements S1 and S2 (such as screws or rivets) of the outer box wall 21. One side has an aesthetic effect, and the other side can reduce the turbulent flow of the oil fume, so that the oil fume The air is discharged from the air outlet port 250 of the cover plate 25 more smoothly through the guide housing 23 . In addition, oil fume will not adhere to the screws, which is helpful for maintenance and cleaning, and wipes the guide housing 23 more smoothly.

In this embodiment, the outer box wall 21 has four box panels (211, 212, 213, 214) in the shape of a rectangular tube. The guide housing 23 has four sides in a rectangular cylindrical shape. The upper wall 11 of the casing 10 has a plurality of joint walls 112 , and the plurality of joint walls 112 are bent upwards from the upper wall 11 along the periphery of the air inlet port 10C. The bottom of the outer box wall 21 is fixedly connected to a plurality of joining walls 112 . For example, screws or rivets are used as fixing elements S1 (see FIGS. 7 and 8 ) to pass through the outer box wall 21 and the joining wall 112 . However, the invention is not limited thereto, eg welding is also possible. Or the bottom of the outer box wall 21 is locked to the inner surface 101 of the air inlet port 10C.

The cover plate 25 has a covering top wall 251 and a plurality of assembling lap walls 252 . The cover plate 25 can be processed by cutting, punching, bending, etc. from a metal plate. A plurality of assembling flaps 252 are bent and extended downwards from the enclosure covering the top wall 251 . Wherein, the air outlet port 250 protrudes upwards from the covering top wall 251 , for example, is integrally formed by drawing. A plurality of assembly flaps 252 are fixedly connected to the outer box wall 21 . Illustrate, the upper half of four box boards (211,212,213,214) of outer box wall 21 passes through a plurality of assembling lap walls 252 with fixing element S2 (referring to Fig. 7, Fig. 8) such as screw or rivet , so that the cover plate 25 is fixedly connected to the outer box wall 21 . However, the present invention is not limited thereto, for example, the cover plate 25 can also be made of one piece with the flow guide housing 23 The sheet metal is bent and machined. For another example, the wall panels around the cover plate 25 continue to extend downwards to integrally form the four box panels of the outer box wall 21 .

The flow guide housing 23 includes a flow guide top wall 231 and four flow guide side walls ( 232 a , 232 b , 232 c , 232 d ). Four guide sidewalls (232a, 232b, 232c, 232d) are connected around the guide top wall 231, and three shielding wings 233 are connected to three guide sidewalls (232a, 232b, 232c). In this embodiment, the flow guide housing 23 has three shielding wings 233 and four flow guide side walls (232a, 232b, 232c, 232d), wherein one flow guide side wall 232b is not provided with a shield wing, and the flow guide side wall The height of 232b is smaller than that of the other three guide sidewalls ( 232a , 232c , 232d ), forming a recessed area 2322 .

The detached range hood 100 of this embodiment is further provided with a shielding part 14, and the shielding part 14 is fixed on an inner surface 101 of the air inlet port 10C. The side of the shielding member 14 is L-shaped, including a vertical portion 141 and a horizontal portion 142 . The vertical portion 141 is fixedly connected with the outer box wall 21 and the joint wall 112 by a fixing element S1 (refer to FIG. 7 and FIG. 8 ) of screws or rivets. Alternatively, the vertical portion 141 may also be fixedly connected to an inner surface 101 of the air inlet port 10C. The shielding member 14 extends to both sides and is aligned with the shielding wings 233 at the same height. The horizontal portion 142 is higher than the lower wall 12 of the casing 10 .

In this embodiment, the air guiding top wall 231 forms an air hole 2310 , and the shape and position of the air hole 2310 correspond to the shape and position of the air outlet port 250 . In this embodiment, the air hole 2310 is circular, and the air guide top wall 231 is fixedly connected to the cover plate 25 , for example, fixedly connected by a rivet fixing element S3 (refer to FIG. 7 and FIG. 8 ). The rounded head of the rivet contributes to a smoother inner wall surface. Alternatively, the flow guiding top wall 231 and the cover plate 25 may be connected and fixed by spot welding. The advantage of the spot welding method is that there are no exposed fixing parts on the inner wall surface, which can increase the appearance and reduce turbulent flow.

As shown in FIG. 2 and FIG. 3 , the filter device 50 of the separate range hood 100 of the present invention is disposed at the air inlet port 10C and abuts against the shielding member 14 . One of the inner side 101 (the side away from the user) of the casing 10 is provided with two hooking holes 120, and the other inner side 101 (the side closer to the user) is provided with two holes. A buckle hole 122 is used for the detachable locking of the filter device 50 to the casing 10 . The details will be further described below.

As shown in FIGS. 4 to 6 , FIG. 4 is a bottom perspective view of the filter device 50 , and FIG. 5 is a top perspective view of the filter device 50 . As shown in FIG. 6 , the screen filter device 50 includes a first plate body 51 , a retractable buckle unit 52 , a second plate body 53 , a screen screen unit 54 and a plurality of screws 55 . The first board 51 is detachably connected to the second board 53 , and the filter unit 54 is disposed between the first board 51 and the second board 53 .

The first plate body 51 may be made of stainless steel. The first board body 51 is square, and the first board body 51 has a bottom board 511 and four first side boards 512 . The first side panels 512 are connected to four sides of the bottom panel 511 and extend upwards, so that the first side panels 512 stand on four sides of the bottom panel 511 . However, the shape of the first plate body 51 is not limited thereto, for example, it may be polygonal or circular, etc., and have a plurality of first side plates. The bottom plate 511 is provided with a plurality of first ventilation holes 513 , and the first ventilation holes 513 pass through two opposite surfaces (the bottom surface and the top surface) of the bottom plate 511 , so that oil smoke can flow upward through the first ventilation holes 513 . The shapes of the first ventilation holes 513 are not limited. In this embodiment, the first air holes 513 are elongated, and the first air holes 513 are arranged at intervals and parallel to each other.

One of the first side panels 512 of the first panel body 51 is provided with two first through holes 514 . The two first through holes 514 can be disposed on the first side plate 512 at the front side of the first plate body 51 . The number of the first through hole 514 in this invention may be at least one. Two hooking pieces 517 are disposed on the first side plate 512 at the rear side of the first plate body 51 . An assembly hole 516 is disposed on the bottom plate 511 close to the first through hole 514 to facilitate assembly of the telescopic buckle unit 52 . The "front side" described in this embodiment refers to the side facing the front end of the range hood 100, that is, the side close to the operator, and the "rear side" refers to the side facing the rear end of the range hood 100. One side, that is, the side away from the operator.

As shown in FIG. 6 , at least one first side plate 512 of the first plate body 51 is provided with a plurality of first fixing holes 5120 . In this embodiment, the first fixing holes 5120 and the first through holes 514 are disposed on the same first side plate 512 . In other words, the first fixing holes 5120 can be set on the first board 51 is located on the first side plate 512 at the front side, and the number of the first fixing holes 5120 can be two, three or four.

As shown in FIGS. 4 to 6 , the two hook pieces 517 of this embodiment are disposed on the first side plate 512 behind the first plate body 51 . However, the present invention is not limited thereto, and the number of hook pieces 517 of the filter device 50 may be at least one. Specifically, the hook piece 517 is formed by stamping the first side plate 512 , and the first side plate 512 forms a groove 15 corresponding to the top of the hook piece 517 . The hook piece 517 is opposite to the buckle portion 522 . The hook piece 517 is in the shape of a hook, and can be temporarily hooked to the hooking hole 120 of the range hood 100 during the disassembly process of the filter device 50 . As shown in FIG. 4 , the hook piece 517 has a horizontal portion 5171 extending horizontally backward, and then bent and extending downward to form a hook portion 5172 . The included angle between the hook portion 5172 and the horizontal portion 5171 is preferably an acute angle less than 90 degrees, and may be 50 to 80 degrees.

The telescopic buckle unit 52 is disposed at the assembly hole 516 of the first board body 51 . The telescopic buckle unit 52 has a pulling portion 521 and a plurality of buckle portions 522 . The pulling portion 521 is exposed in the assembly hole 516 , and the buckling portions 522 are in a protruding shape (as shown in FIG. 5 ) in a normal state and extend out of the first through hole 514 . In other words, the buckling portions 522 can protrude outward through the corresponding first through holes 514 to be buckled in the corresponding buckling holes 122 on the casing 10 of the range hood 100 (as shown in FIG. 5 ). Show). The pulling part 521 is connected to the snap parts 522, in other words, the pulling part 521 can be connected to the buckling parts 522 through an appropriate linkage mechanism (not shown), and the pulling part 521 passes through the assembly hole 516 is exposed to the outside to facilitate the pulling of the pulling part 521 . When the wrenching part 521 is pulled (pushed down), the locking parts 522 can be linked to retract (as shown in FIG. 7 ), so as to disengage from the locking holes 122 of the range hood 100 . The structure of the telescopic buckle unit 52 can use existing available parts, and the present invention does not limit the structure of the telescopic buckle unit 52 , so it will not be described in detail.

As shown in FIG. 4 to FIG. 6 , the second plate body 53 can be made of stainless steel, the second plate body 53 is square, and the second plate body 53 has a top plate 531 and four second side plates 532 . The second side plates 532 are connected to the edge of the top plate 531 and extend downwards, so that the second side plates 532 are vertically arranged on the four sides of the top plate 531. However, the shape of the second plate body 53 of the present invention is not limited thereto, for example, it may also be polygonal or circular, etc., and have multiple second side plates or ring-shaped second side plates. The top plate 531 is provided with a plurality of second ventilation holes 533 , and the second ventilation holes 533 pass through two opposite surfaces (the bottom surface and the top surface) of the top plate 531 , so that oil smoke can flow upward through the second ventilation holes 533 . The shapes of the second ventilation holes 533 are not limited. In this embodiment, the filter device 50 has two substantially square second air holes 533 , and the two second air holes 533 are disposed on both sides of the retractable buckle unit 52 at intervals. The portion of the top plate 531 between the two second air holes 533 is designed to be slightly larger than or equal to the width of the telescopic buckle unit 52, so that most of the space is given to the two roughly square second air holes 533 to Increased smooth airflow.

A plurality of second through holes 534 are disposed on a second side plate 532 of the second plate body 53 . The second through holes 534 can be provided on the second side plate 532 at the front side of the second plate body 53 , and the second through holes 534 are respectively corresponding to the first through holes 514 , so that the buckle parts 522 It can protrude outward through the corresponding first through hole 514 and the second through hole 534 so as to be buckled in the corresponding buckle hole 122 of the range hood 100 (refer to FIG. 2 ).

A plurality of second fixing holes 5320 are disposed on at least one second side plate 532 of the second plate body 53 , and the second fixing holes 5320 correspond to the first fixing holes 5120 respectively. In this embodiment, the second fixing holes 5320 and the second through holes 534 are set on the same second side plate 532, that is, the second fixing holes 5320 can be set on the front side of the second plate body 53. On the second side plate 532 of the. The number of the second fixing holes 5320 can be more than two, three or four.

It should be added that the hook piece 517 of this embodiment may also be formed on the second plate body 53 , that is, the hook piece 517 may protrude outward from the second side plate 532 at the rear side of the second plate body 53 . The position of the hook piece 517 is in principle opposite to the buckle portion 522 , but the invention is not limited thereto, and the hook piece can also be provided on the side wall of the first board 51 or the second board 53 .

The filter screen unit 54 is a mesh structure, and the filter screen unit 54 is composed of at least one metal mesh become. The second plate body 53 is stacked on the first plate body 51, and the first side plates 512 of the first plate body 51 and the second side plates 532 of the second plate body 53 are stacked to form a space, And the filter unit 54 is arranged between the first plate body 51 and the second plate body 53 . The filter unit 54 is sandwiched between the bottom plate 511 of the first plate 51 and the top plate 531 of the second plate 53 , so that the displacement of the filter unit 54 in the up-down direction is limited. In addition, the present embodiment uses the first side plates 512 of the first plate body 51 and the second side plates 532 of the second plate body 53 to position the filter screen unit 54, so that the displacement of the filter screen unit 54 in the front, rear and left and right directions is also restricted.

The filter unit 54 of this embodiment includes a planar first metal mesh 54a and a corrugated second metal mesh 54b. The first metal mesh 54a is placed on the bottom plate 511 of the first plate body 51, and the second metal mesh 54b is placed on the first metal mesh 54a. The wavy second metal mesh 54b cooperates with the planar first metal mesh 54a to make the overall mesh more dense, and the wavy second metal mesh 54b helps to intercept oil dirt on the first metal mesh 54a and the second metal mesh Between 54b.

In this embodiment, a plurality of screws 55 pass through the first fixing holes 5120 of the first plates 51 and are screwed to the second fixing holes 5320 of the second plate 53, so that the first plate 51 and the second plate The other side (front side) of the two boards 53 is fastened together with the screws 55 to form a detachable filter device 50 . One of the screws 55 passes through the second plate body 53 to be locked to the telescopic buckle unit 52 (refer to FIG. 5 and FIG. 6 ). However, the present invention is not limited to screws, and any other convenient and detachable fixing elements that can connect the first board and the second board are applicable.

The filter device 50 can use the hook pieces 517 and the buckle parts 522 of the telescopic buckle unit 52 to buckle respectively to the corresponding buckle holes 122 on the casing 10 of the range hood 100, so that the filter device 50 is detachably mounted on the range hood 100 .

[Advantageous Effects of Embodiment]

As shown in FIG. 7 and FIG. 8 , FIG. 7 is a cross-sectional view along line VII-VII in FIG. 1 , and FIG. 8 is a cross-sectional view along line VIII-VIII in FIG. 1 . Viewed from the inside of the separate range hood 100, the guide housing 23 covers the outer box wall 21 and its fixing elements S1, S2, and the fixing elements S1, S2 of the outer box wall 21 23, only the guide housing 23 can be seen. The plurality of shielding wings 233 of the air guide housing 23 are adjacent to the inner surface 101 of the air inlet port 10C. The smoke-collecting box 20 of the present invention is arranged in the guide housing 23 inside the outer box wall 21, the inside of which is more beautiful, and can reduce the turbulent flow of oil fume, and the oil smoke can pass through the guide housing 23 more smoothly. The air outlet 250 of the cover plate 25 is discharged outward.

Please refer to Figure 3 and Figure 8 at the same time. In this embodiment, a flow guiding sidewall 232b is not provided with shielding wings, and the flow guiding sidewall 232b without shielding wings forms the recessed area 2322 . In other words, in this embodiment, the number (three) of the shielding wings 233 is less than the number (four) of the guide sidewalls ( 232 a , 232 b , 232 c , 232 d ). All the guide side walls (including 232b ) are spaced from the outer box wall 21 to form a gap G. Another advantage of the structure of this embodiment is that the gap G and the recessed area 2322 can be used as a routing space for electric wires, so that the guide housing 23 does not need to be provided with perforations for electric wires, so as to increase its appearance and the flow of oil fume. smooth.

As shown in Figure 3 and Figure 8, in order to cooperate with the gap G and the recessed area 2322, the shield 14 of the separated range hood 100 of this embodiment is fixed on an inner surface 101 of the air inlet port 10C and covers the recessed area 2322.

Please refer to FIG. 1 and FIG. 8 , the separate range hood 100 of the present invention also includes a control box 30 , and the control box 30 is arranged on the top surface of the cover plate 25 of the smoke collecting box 20 . The control circuit (not shown) passes through the space between the upper wall 11 and the lower wall 12 of the casing 10, passes through the inner surface 101, and the shielding member 14, and then passes through the covering top wall of the cover plate 25 through the gap G 251 is connected to the control box 30. In this way, the lines can be completely hidden. In other words, the wires do not need to pass through the flow guide casing 23, and the flow guide casing 23 does not need to have holes for the wires.

As shown in FIG. 7 , when the filter device 50 needs to be cleaned, the pulling part 521 is pulled to make the buckle parts 522 retract, so as to break away from the buckle of the casing 10 of the range hood 100 Hole 122. At this time, the hook portions 5172 of the hook pieces 517 of the filter device 50 are still temporarily hooked to the hook holes 120 of the range hood 100 . The advantage of this design is that it allows the operator to observe the usage status of the filter device 50, increasing the Plus the convenience of use. On the other hand, if the operator does not hold or loosen the filter device 50, the hook piece 517 can prevent the filter device 50 from accidentally falling off directly, which can increase the safety in use.

The content disclosed above is only the preferred feasible embodiment of this creation, and does not limit the scope of patent application for this creation. Therefore, all equivalent technical changes made by using the instructions and drawings of this creation are included in the application of this creation. within the scope of the patent.

100: Separate range hood

10: Chassis

10C: Inlet port

101: inner side

11: upper wall

112: joint wall

12: lower wall

120: hooking hole

122: Buckle hole

14: Blocking parts

141: vertical part

142: Horizontal Department

20: Smoke collection box

21: Outer box wall

211, 212, 213, 214: boxboard

23: Diversion housing

231: diversion top wall

2310: wind hole

232a, 232b, 232c, 232d: guide side wall

2322: concave design area

233: Covering the wings

25: cover plate

250: Outlet port

251: cover the top wall

252: Assembling the skirt wall

50: filter device

Claims (10)

A separate range hood with a detachable filter device, comprising: A casing, the casing has an upper wall, a lower wall, and an air inlet port, and the air inlet port passes through the upper wall and the lower wall; A smoke collection box, the smoke collection box covers the air inlet port, and protrudes from the upper wall, the smoke collection box includes an outer box wall, a diversion shell, and a cover plate, The outer box wall is fixed around the air inlet port, the guide casing is arranged inside the outer box wall, the cover plate is fixedly connected to the top of the outer box wall, the guide The top end of the flow housing is fixedly connected to the cover plate, the cover plate has an air outlet port, the air outlet port connects the smoke collecting box to the air inlet port of the casing, the The bottom edge of the flow guide housing does not exceed the lower wall of the casing and is a predetermined distance away from the lower wall, the bottom edge of the flow guide housing has a plurality of outward shielding wings, the multiple A shielding wing is adjacent to the inner surface of the air inlet port; wherein the oil fume passes through the guide housing to reduce turbulence, and then is discharged from the air outlet port of the cover plate; and A filter screen device is detachably arranged on the air inlet port, the filter screen device is adjacent to the plurality of shielding wings, and the filter screen device includes a first plate body, a second plate body, and a telescopic buckle unit, and a filter unit, the first plate is detachably connected to the second plate, the filter unit is arranged between the first plate and the second plate , the telescopic buckle unit is arranged on the first board to be buckled on the inner surface of the air inlet port. The separated range hood with a detachable filter device as described in claim 1, wherein the first plate of the filter device has a bottom plate and a plurality of first side plates, and these first side plates are connected to The edge of the bottom plate extends upwards, the bottom plate is provided with a plurality of first air holes, one of the first side plates of the first plate body is provided with at least one first through hole, and the bottom plate is close to the first through hole A set of assembly holes is arranged at the hole; Wherein the telescopic buckle unit is arranged in the assembly hole of the first plate body, the telescopic buckle unit has a pulling part and at least one buckle part, and the pulling part is exposed in the assembly hole , the at least one buckle part is in a protruding state under normal conditions and protrudes out of the at least one first through hole, and when the pulling part is pulled, the buckle parts can be linked to retract; Wherein the second board has a top board and a plurality of second side boards, the second side boards are connected to the edge of the top board and extend downward, the top board is provided with a plurality of second ventilation holes, and the second board One of the second side plates of the body is provided with at least one second through hole, and the at least one second through hole is respectively corresponding to the at least one first through hole, so that the buckle parts can pass through the corresponding the first through hole and the second through hole protrude outward; Wherein the filter screen device includes at least one hook piece, the at least one hook piece is opposite to the at least one buckle part and protrudes outward; the at least one hook piece is hook-shaped for the filter The net device can temporarily hook the range hood during disassembly. The detachable range hood with a detachable filter device according to claim 2, wherein the first through holes are provided on the first side plate on the front side of the first plate body, and the hook pieces The second through holes are arranged on the first side plate on the rear side of the first plate body, and the second through holes are set on the second side plate on the front side of the second plate body. The detachable range hood with a detachable filter device according to claim 2, wherein the hook piece has a horizontal portion extending horizontally backward, and a hook portion bent downward from the horizontal portion , the angle between the hook portion and the horizontal portion is an acute angle. The separated range hood with a detachable filter device as described in claim 2, wherein the filter unit includes a planar first metal mesh and a corrugated second metal mesh, the first metal mesh Placed on the bottom plate of the first plate body, the second metal mesh is placed on the first metal mesh. The detachable range hood with a detachable filter device according to claim 1, wherein the upper wall of the casing has a plurality of joining walls, and the plurality of joining walls are formed along the upper wall The periphery of the air inlet port is bent and extended upwards, and the bottom of the outer box wall is fixedly connected to the plurality of joining walls. The separate range hood with a detachable filter device as described in claim 1, wherein the cover plate has a covering top wall and a plurality of assembly flaps, and the plurality of assembly flaps are covered by the cover The enclosure of the top wall bends and extends downwards, wherein the air outlet port protrudes upwards from the covered top wall, and the plurality of assembling flaps are fixedly connected to the outer box wall. The separated range hood with detachable filter screen device as described in claim 7, wherein the flow guide housing includes a flow guide top wall and a plurality of flow guide side walls, and the plurality of flow guide side walls are connected to Around the flow guide top wall, wherein the plurality of shielding wings are connected to the plurality of flow guide side walls. The detached range hood with detachable filter screen device as described in claim 8, wherein the guide top wall forms an air hole, and the position of the air hole corresponds to the position of the air outlet, the The flow guiding top wall is fixedly connected to the cover plate. The detachable range hood with detachable filter screen device according to claim 8 also has a shielding member, wherein the diversion housing has three shielding wings and four diversion side walls , wherein the height of one guide side wall without the shielding wing is lower than that of the other three guide side walls, forming a gap with the outer box wall and forming a recessed area, the A shielding piece is fixed on one of the inner surfaces of the air inlet port and covers the recessed area, and the shielding piece is L-shaped.

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