CN215982740U - Side-draft range hood - Google Patents

Abstract

The utility model discloses a side-draft range hood which comprises a smoke collecting hood, a turning plate assembly, a guide assembly and an oil screen assembly, wherein a smoke guide plate of the smoke collecting hood is provided with an air inlet, the turning plate assembly is rotatably arranged at the air inlet, the guide assembly is arranged in the smoke collecting hood, one end of the oil screen assembly is connected with the turning plate assembly, the other end of the oil screen assembly is connected with the guide assembly in a sliding manner, and when the oil screen assembly is pushed to move, the oil screen assembly can move along the guide assembly to be opened or closed. According to the utility model, the guide assembly is hidden in the smoke collecting hood, so that the integral attractiveness is improved, the risk that oil stains on the guide assembly directly drip on a cooking bench is eliminated, and meanwhile, the guide function is realized on the movement of the oil screen assembly, so that the opening and closing movement of the oil screen assembly is more stable.

Description

Side-draft range hood

Technical Field

The utility model relates to the technical field of range hoods, in particular to a side-draft range hood.

Background

The three-dimensional gathering-suction type side smoke exhaust machine with the oil screen turnover is a novel smoke exhaust machine which is recently appeared in the domestic market, and the smoke inlet of the novel smoke exhaust machine is closer to a smoke source, so that generated smoke can be locked at the first time, the smoke gathering area of the side smoke exhaust machine is larger due to the turnover foldable oil screen, the smoke is directly discharged without turning, the moving distance of the rising of the smoke is effectively shortened, the smoke exhaust effect is more ideal, and the novel smoke exhaust machine is more and more popular with consumers.

In the existing three-dimensional gathering and sucking type side smoking machine with the oil screen turnover function, the foldable turnover oil screen is generally fixed to a connecting rod assembly, the connecting rod assembly is mostly in a hinged mode, the structure is complex and is exposed and visible, the integral attractiveness is affected, and the risk that oil drops drop to a cooking bench exists, for example, the hinge assembly 7 disclosed in the patent CN110207215A of the applicant of the prior application is solved. And the foldable turnover type oil screen is usually connected with a sliding rail assembly, when the oil screen is opened, the sliding rail assembly is exposed and visible, and the risk that oil drops drop to a cooking bench also exists, for example, the sliding rail assembly disclosed in the applicant's prior application patent CN 110207214A.

In addition, the gap between the oil screen and the turning plate glass is usually filled by an oil screen decorative plate, large gaps which are difficult to control exist between the oil screen decorative plate and the oil screen and between the oil screen decorative plate and the turning plate glass, and the risk of oil drops when the range hood works uncleanly for a long time is caused. In addition, the left and right lamp boxes of the existing range hood need to be adhered to the turnover plate glass, and the processes are increased.

Disclosure of Invention

The utility model aims to solve one of the problems in the prior art to at least a certain extent, and therefore the utility model provides a side-draft range hood, which improves the integral aesthetic property by hiding a guide assembly inside a smoke collecting hood, avoids the risk that oil stains on the guide assembly directly drip to a cooking bench, and simultaneously enables the movement of an oil screen assembly to be more stable.

According to the side-draft range hood provided by the above, the side-draft range hood is realized by the following technical scheme:

a side draft range hood, comprising: the smoke collecting cover is provided with an air inlet on a smoke guide plate of the smoke collecting cover; the turning plate component is rotatably arranged at the air inlet and is used for opening or closing the air inlet; the guide assembly is arranged in the smoke collecting hood; the oil screen assembly is connected with the turning plate assembly at one end and is connected with the guide assembly at the other end in a sliding manner, and when the oil screen assembly is pushed to move, the oil screen assembly can move along the guide assembly to be opened or closed.

In some embodiments, the oil screen assembly further comprises a sliding assembly with a clamping groove, the guiding assembly comprises a sliding rod, the sliding rod is installed in the smoke collecting hood, one end of the sliding rod is connected with the back plate of the smoke collecting hood, the other end of the sliding rod is connected with the back surface of the smoke guide plate and is close to the air inlet, the sliding assembly is installed on the oil screen assembly, and the clamping groove is connected with the sliding rod in a sliding mode.

In some embodiments, the sliding rod comprises a transverse section and an inclined section which are connected with each other to form an obtuse angle, one end of the transverse section, which is far away from the inclined section, is connected with the back plate, one end of the inclined section, which is far away from the transverse section, is connected with the back surface of the smoke guide plate, and the clamping groove is connected with the transverse section in a sliding manner.

In some embodiments, the sliding assembly includes a fixing seat and a sliding block, the fixing seat is mounted on the back of the oil screen assembly and connected to the sliding block, and the sliding block is provided with the clamping groove opening towards the sliding rod.

In some embodiments, the outer ends of the two opposite side walls of the clamping groove are provided with guide surfaces, and the guide surfaces are inclined from outside to inside towards the central axis of the clamping groove.

In some embodiments, the slider is provided with a notch facing the inner groove on a surface facing the sliding rod, and the notch is located below the slot, so that the lower side wall of the slot forms a deformable hook structure.

In some embodiments, the sliding assembly further includes a limiting member, the fixing base is provided with an extending portion facing the sliding block, the sliding block is provided with an opening through which the extending portion passes, and the extending portion is inserted into the opening and then clamped with the limiting member in a matching manner.

In some embodiments, the oil screen assembly includes an oil screen and an oil screen frame having a mounting opening, the oil screen is detachably mounted at the mounting opening, one end of the oil screen frame is connected to the flap assembly, and the other end of the oil screen frame is slidably connected to the guide assembly.

In some embodiments, a side plate facing the inside of the smoke collecting hood is integrally formed on the left side and the right side of the oil screen frame, and/or an oil guide groove is formed on one side of the oil screen frame close to the turning plate assembly, and the side wall of the oil guide groove is tightly attached to the back face of the turning plate assembly.

In some embodiments, a folded edge facing the smoke guide plate is arranged on one side of the oil screen frame, which is away from the flap assembly, and a plurality of oil leakage holes are formed in the folded edge.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

according to the utility model, the guide assembly is hidden in the smoke collecting hood, so that the integral attractiveness is improved, the risk that oil stains on the guide assembly directly drip on a cooking bench is eliminated, and meanwhile, the guide function is realized on the movement of the oil screen assembly, so that the opening and closing movement of the oil screen assembly is more stable.

Drawings

FIG. 1 is a partial cross-sectional view of a range hood in an embodiment of the present invention;

figure 2 is a top view of the components of the range hood portion of an embodiment of the present invention;

FIG. 3 is an exploded view of the components of FIG. 2;

FIG. 4 is a schematic structural view of a guide assembly and a slide assembly in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an oil screen frame and a lamp box fixing seat in the embodiment of the utility model;

FIG. 6 is a schematic structural diagram of a slider in an embodiment of the present invention.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the utility model or equivalent substitutions of parts of technical features without departing from the spirit of the utility model are intended to be covered by the scope of the claims of the utility model.

As shown in fig. 1-2, the present embodiment provides a side-draft range hood, which includes a smoke collecting hood 1, a flap assembly 2, a guiding assembly 3, an oil screen assembly 4, and a driving assembly 8, wherein an air inlet (not shown) is disposed on a smoke guiding plate 11 of the smoke collecting hood 1. The turning plate component 2 is rotatably arranged at the air inlet and used for opening or closing the air inlet. The guide assembly 3 is installed in the fume collecting cover 1 and used for guiding the movement of the oil screen assembly 4, so that the movement of the oil screen assembly 4 is more stable, the guide assembly 3 is completely hidden in the fume collecting cover 1, the integral attractiveness is favorably improved, and the risk that oil stains on the guide assembly 3 directly drip on a cooking bench can be avoided. The one end of oil net subassembly 4 is connected and is turned over board subassembly 2 for turn over board subassembly 2 and the linkage of oil net subassembly 4, the other end sliding connection direction subassembly 3 of oil net subassembly 4, when oil net subassembly 4 was by push motion, can remove along direction subassembly 3 and realize opening or close. The driving assembly 8 is installed on the smoke collecting hood 1, the output end of the driving assembly is connected with the turning plate assembly 2 or/and the oil screen assembly 4, the driving assembly is used for pushing the turning plate assembly 2 or/and the oil screen assembly 4 to move, and due to the fact that the turning plate assembly 2 is linked with the oil screen assembly 4, one component moves and drives the other component to move correspondingly.

It can be seen that the range hood of this embodiment, through hiding guide assembly 3 inside collection petticoat pipe 1, improve whole aesthetic property, eliminated the direct risk that drips the top of a kitchen range of greasy dirt on the guide assembly 3, played the guide effect to the motion of oil net subassembly 4 simultaneously, made the switching motion of oil net subassembly 4 more steady.

Specifically, as shown in fig. 1 to 4, further, the oil screen assembly further includes a sliding assembly 5 having a clamping groove 521, the sliding assembly 5 is detachably or non-detachably mounted on the oil screen assembly 4, and the oil screen assembly 4 is slidably connected to the guide assembly 3 through the clamping groove 521 of the sliding assembly 5, so that the connection relationship between the clamping groove 521 and the guide assembly 3 is released, the assembly and disassembly are simple and quick, and the assembly and disassembly of the oil screen assembly 4 are more convenient.

Preferably, the quantity of direction subassembly 3 is two, and two direction subassemblies 3 are installed in the inside left and right sides of collection petticoat pipe 1, and is corresponding, and the quantity of sliding assembly 5 also is two, and two sliding assembly 5 are installed in the left and right sides of oil net subassembly 4 rear end (being oil net subassembly 4 and keeping away from the one end that turns over board subassembly 2 promptly), and every sliding assembly 5 sliding connection corresponds direction subassembly 3, through two direction subassemblies 3 and two sliding assembly 5 cooperations, makes oil net subassembly 4's removal more steady.

Specifically, the guiding assembly 3 includes a sliding rod 31, the sliding rod 31 is installed in the smoke collecting hood 1, one end of the sliding rod 31 is connected to the back plate 12 of the smoke collecting hood 1, the other end of the sliding rod is connected to the back surface of the smoke guiding plate 11 and is close to the air inlet, and the sliding rod 31 is in sliding connection with the clamping groove 521 in a matching manner, so that the sliding rod 31 is arranged in the front-back direction and is completely hidden inside the smoke collecting hood 1, oil drops on the sliding rod 31 are ensured to completely drip and collect at an oil leakage outlet at the bottom of the smoke collecting hood 1, the problem that the sliding rod 31 is exposed and visible to affect the overall appearance is solved, and the risk that the oil drops on the sliding rod 31 drip to a cooking bench is eliminated. In addition, the oil screen assembly 4 can be better guided to be opened or closed, when the oil screen assembly 4 is pushed to move, under the cooperation effect of the sliding assembly 5 and the guide assembly 3, the oil screen assembly 4 can be moved forwards along the guide assembly 3 to the outside of the air inlet, so that the oil screen assembly 4 is opened along a preset track, or the oil screen assembly 4 can be moved backwards along the guide assembly 3 to the inside of the retracted smoke collecting hood 1, so that the oil screen assembly 4 is closed along a preset track.

As shown in fig. 4, preferably, the slide bar 31 of the present embodiment includes a transverse section 311 and an inclined section 312 which are connected to each other at an obtuse angle, an end of the transverse section 311 remote from the inclined section 312 is connected to the back plate 12 of the smoke collecting hood 1, the length of the transverse section 311 is greater than that of the inclined section 312, and the transverse section 311 is used for being slidably connected to the catch 521 of the slide assembly 5. The end of the inclined section 312 remote from the transverse section 311 is connected to the back of the smoke guide plate 11. Therefore, by designing the sliding rod 31 as the transverse section 311 and the inclined section 312 which are connected to each other at an obtuse angle, the sliding rod 31 is more convenient to be connected with the smoke guide plate 11 and the back plate 12 while the sliding rod 31 is reliably slidably connected with the clamping groove 521. More preferably, the inclined section 312 of the present embodiment is formed by integrally bending the front end of the transverse section 311 downward to ensure the connection strength and connection reliability of the two sections.

More specifically, the guiding assembly 3 further comprises a front fixing block 32 and a rear fixing block 33, wherein the inclined section 312 is fixedly connected with the back of the smoke guide plate 11 through the front fixing block 32, and the transverse section 311 is fixedly connected with the back plate 12 through the rear fixing block 33, so that the contact area is increased, the deformation of the joint due to the excessively small stress area is prevented, and the appearance of the smoke collecting hood 1 is effectively ensured.

Preferably, the front fixing block 32 is fastened to the back of the smoke guide plate 11 by screws, and the rear fixing block 33 is fastened to the back plate 12 by screws, so that the guide assembly 3 and the smoke collecting hood 1 can be quickly disassembled and assembled. In addition, the front fixing block 32 and the back of the smoke guide plate 11, and the rear fixing block 33 and the back plate 12 can be fixed in a combined and bonded manner, so that the mounting stability, reliability and connection strength of the guide assembly 3 are further improved.

As shown in fig. 2 to 3, in particular, the oil screen assembly 4 includes an oil screen 41 and an oil screen frame 42 having a mounting port 421, and the oil screen 41 is detachably mounted at the mounting port 421, so that it is possible to quickly detach and mount the oil screen 41 without detaching the oil screen frame 42. One end of the oil screen frame 42 is connected with the flap assembly 2, so that the oil screen frame 42 is linked with the flap assembly 2. The other end of oil net frame 42 passes through draw-in groove 521 sliding connection guide assembly 3's of sliding assembly 5 slide bar 31, makes sliding assembly 5 direct mount on oil net frame 42, avoids influencing the quick assembly disassembly of oil net 41 because of sliding assembly 5 and/or guide assembly 3, ensures simultaneously that oil net frame 42 is located collection petticoat pipe 1 inside all the time when opening, guides the greasy dirt flow direction collection petticoat pipe 1 inside better, avoids the greasy dirt to drip the risk of top of a kitchen range.

As shown in fig. 5, side plates 422 facing the inside of the smoke collecting cover 1 are preferably integrally formed on the left and right sides of the oil net frame 42 to provide a smoke collecting effect. When the range hood is opened, the turning plate assembly 2 drives the oil screen frame 42 to move towards the outside of the smoke collecting cover 1 along the guide assembly 3, so that the oil screen 41 and the horizontal plane are in a 15-degree position just facing the rising of the oil smoke, the direct discharge of the oil smoke is realized without the leakage of the oil smoke, at the moment, the side plates 422 on the left side and the right side of the oil screen frame 5 and the turning plate assembly 2 form a three-dimensional smoke gathering effect, the oil smoke is better gathered, and the oil smoke is effectively prevented from escaping.

Preferably, the oil screen frame 42 is close to one side of turning over board subassembly 2 and is equipped with leads oil groove 423, leads one of them lateral wall of oil groove 423 and hugs closely the back that turns over board subassembly 2, like this for oil screen frame 42 can be better paste the neat back that turns over board subassembly 2, reduces the gap between the two, increases whole aesthetic property, leads oil groove 423 simultaneously and can catch the greasy dirt that turns over accumulated on the board subassembly 2 back, and the guiding greasy dirt flows to, avoids the risk that the greasy dirt drips to the top of a kitchen range. In the present embodiment, the oil guiding groove 423 is designed to be semi-arc-shaped to achieve effective control of the gap between the oil guiding groove and the flap assembly 2, thereby avoiding the occurrence of oil condensation dripping.

In addition, one side of the oil screen frame 42 departing from the flap assembly 2 is provided with a folding edge 424 facing the smoke guide plate 11, so as to enhance the strength of the whole oil screen frame 42 and avoid the distortion phenomenon. The folded edge 424 is provided with a plurality of oil leakage holes 425 for oil leakage and oil guiding, so that oil stain on the oil screen frame 42 can be guided to the back of the smoke guiding plate 11.

Preferably, the left and right sides of the oil screen frame 42 are respectively provided with a mounting groove (not shown in the figure) for mounting the illuminating lamp assembly 7, the two mounting grooves are respectively positioned at the left and right outer sides of the oil screen 41, and the illuminating lamp assembly 7 is mounted in each mounting groove 426, so that the illuminating lamp assembly 7 is integrated on the oil screen frame 42, and the turning plate assembly 2 is opened, so that a better illuminating angle can be obtained, and a better illuminating effect can be realized.

As shown in fig. 2 to 3 and 5, more specifically, the oil screen assembly 4 further includes two lamp cartridge fixing seats 43, the oil screen frame 42 is provided with mounting holes 426 located at the left and right outer sides of the oil screen 41, the lamp cartridge fixing seats 43 are connected to the back surface of the oil screen frame 42 and cover the corresponding mounting holes 426, and the mounting holes 426 are defined by the lamp cartridge fixing seats 43 and the mounting holes 426, so that the mounting grooves 426 are designed to be defined by the lamp cartridge fixing seats 43 and the mounting holes 426, thereby facilitating the manufacture and improving the strength of the mounting grooves 426. The lamp box fixing seat 43 of the present embodiment may be fixedly connected to the oil screen frame 42 by welding, bonding, riveting or screwing.

As shown in fig. 2, 4 and 6, specifically, the sliding assembly 5 includes a fixed seat 51 and a sliding block 52, the fixed seat 51 is mounted on the back of the oil screen frame 42 of the oil screen assembly 4 and connected to the sliding block 52, and in this embodiment, the fixed seat 51 may be fixedly connected to the back of the oil screen frame 42 by welding, bonding, riveting or screwing. The slider 52 is provided with the locking groove 521 opened toward the slide lever 31, and the locking groove 521 is locked to the slide lever 31. Thereby, through cooperation of the fixed seat 51 and the slide block 52, a reliable connection between the oil screen frame 42 and the sliding rod 31 is achieved, and when the oil screen frame 42 moves along with the flap assembly 2, the slide block 52 slides along the transverse section 311 of the sliding rod 31, so that the oil screen frame 42 moves to open or close along the transverse section 311.

Preferably, the fixing base 51 is L-shaped, and a horizontal surface thereof is fixedly connected to a back surface of the oil screen frame 42 by welding, bonding, riveting or screwing, and a vertical surface thereof is used for being connected with the slider 52.

Preferably, the outer ends of the two opposite side walls of the slot 521 are provided with the guide surfaces 522, the guide surfaces 522 are inclined from outside to inside towards the central axis of the slot 521, so that the slot 521 can be conveniently and fast clamped with the sliding rod 31 under the guide effect of the guide surfaces 522, the assembly efficiency is improved, and meanwhile, the rear end of the guide surfaces 522 can play a role in limiting, so that the sliding rod 31 is effectively prevented from being disengaged from the slot 521.

In this embodiment, the locking groove 521 is disposed at the upper end of the slider 52 and opens toward the sliding rod 31, and the two opposite side walls of the locking groove 521 are disposed with guide surfaces 522 inclined from outside to inside toward the central axis of the locking groove 521, so that the upper side wall of the locking groove 521 forms a deformable locking structure. In addition, the slider 52 is provided with a notch 523 facing the inner groove on a surface facing the sliding rod 31, and the notch 523 is located below the slot 521, so that the lower side wall of the slot 521 also forms a deformable hook structure. From this, through designing into the trip structure with the relative both sides wall of draw-in groove 521, be convenient for more the quick joint between slide bar 31 and the draw-in groove 521 is connected. More preferably, a connecting rib 524 is disposed on a surface of the guide surface 522 facing the opening of the slot 521, so as to enhance the strength of the two opposite sidewalls of the slot 521, and avoid the failure of the clamping relationship between the sliding rod 31 and the slot 521 due to the deformation of the sidewalls of the slot 521.

More specifically, the sliding assembly 5 further includes a limiting member 53, and the limiting member 53 is preferably a snap ring. One surface of the fixed seat 51 facing the slider 52 (i.e., the vertical surface of the fixed seat 51) is integrally formed with an extension 511 extending outward to ensure the strength and the forming efficiency of the extension 511. The slider 52 is correspondingly provided with a hole for the extension portion 511 to pass through, during installation, the extension portion 511 is inserted into the hole and then is clamped with the clamping ring in a matching mode, therefore, the limiting member 53 and the fixing seat 51 are limited in the left-right direction through the vertical surface, the slider 52 is effectively prevented from being separated from the extension portion 511, and the reliability of connection between the slider 52 and the fixing seat 51 is improved.

As shown in fig. 1-3, further, still include link assembly 6, link assembly 6 installs in collection petticoat pipe 1 and is located the installing port 421 outside of oil net frame 42, and the collection petticoat pipe 1 is connected to link assembly 6's one end, the other end connects the back that turns over board assembly 2 and/or the back of oil net frame 42, like this, through addding link assembly 6, realized steadily reliably promoting the switching motion that turns over board assembly 2 and/or oil net frame 42, design link assembly 6 to be located the installing port 421 outside of oil net frame 42 simultaneously, ensure that link assembly 6 hides inside the cigarette machine completely, improve whole aesthetic property, avoid the risk that the greasy dirt on link assembly 6 directly drips the top of a kitchen range through installing port 421. In addition, because the oil guide groove of the oil screen frame 42 is tightly attached to the back surface of the turning plate assembly 2, the gap between the oil screen frame 42 and the turning plate assembly 2 is reduced, the connecting rod assembly 6 is better wrapped, the outward leakage of the connecting rod assembly 6 is avoided, and the direct dripping of oil stains on the connecting rod assembly 6 from the connecting part of the oil screen frame 42 and the turning plate assembly 2 to a cooking bench is effectively avoided.

In this embodiment, the number of the connecting rod assemblies 6 is two, the two connecting rod assemblies 6 are respectively located at the left and right outer sides of the oil screen 41, each connecting rod assembly 6 comprises a bracket 61, a first connecting rod 62 and a second connecting rod 63, the bracket 61 is installed at the back of the plate turning assembly 2, and oil guide grooves of the oil screen frame 42 are tightly attached to the back of the plate turning assembly 2, so that oil stains accumulated on the bracket 61 are prevented from dropping to a cooking bench. The first link 62 is installed inside the top surface of the fume collecting hood 1, and the first link 62 is movably connected with the bracket 61. The second link 63 is securely attached to the back of the oil screen frame 42, and the second link 63 is movably connected to the bracket 61. Thereby, through link assembly 6, the transmission connection between oil net frame 42 and flap assembly 2 is realized.

Preferably, in order to prevent oil accumulated on the first link 62 from dripping to the cooktop, the first link 62 is designed to be positioned above the edge of the mounting opening 421, so that the first link 62 is projected to the back of the oil screen frame 42, and oil on the first link 62 is prevented from dripping from the oil screen 41 at the mounting opening 421 to the cooktop.

Preferably, the second connecting rod 63 is "Z" font, the back of connection mounting groove can be dismantled through the screw to this second connecting rod 63, second connecting rod 63 can be dismantled with lamp box fixing base 43 and be connected promptly, when realizing that second connecting rod 63 and oil net subassembly 4 are reliably connected, ensure that second connecting rod 63 hides inside the cigarette machine completely, make the greasy dirt on the second connecting rod 63 can only drip to lamp box fixing base 43, then along the flow direction smoke deflector 11 back in the oil net frame 42 back, the risk that the greasy dirt on the second connecting rod 63 directly drips to the top of a kitchen range has been eliminated.

Specifically, the number of the driving assemblies 8 is preferably 1, the driving assemblies 8 are mounted on the first connecting rods 62 of one of the connecting rod assemblies 6, and the output ends of the driving assemblies 8 are movably connected with the brackets 61 through a push rod structure, so that the driving assemblies 8 push the flap assemblies 2 to move to open and close through the brackets 61, and the flap assemblies 2 drive the oil screen assemblies 4 to move along the sliding rods 31 through the second connecting rods 63 to open or close.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims (10)

1. A side-draft range hood is characterized by comprising:

the smoke collecting cover (1) is provided with an air inlet on a smoke guide plate (11) of the smoke collecting cover (1);

the flap component (2) is rotatably arranged at the air inlet and is used for opening or closing the air inlet;

the guide assembly (3), the said guide assembly (3) is mounted into the said exhaust fume collecting hood (1);

the oil screen assembly (4), one end of the oil screen assembly (4) is connected with the turning plate assembly (2), the other end of the oil screen assembly is connected with the guide assembly (3) in a sliding mode, and when the oil screen assembly (4) is pushed to move, the oil screen assembly can move along the guide assembly (3) to be opened or closed.

2. The side draft range hood according to claim 1, further comprising a sliding assembly (5) having a clamping groove (521), wherein the guiding assembly (3) comprises a sliding rod (31), the sliding rod (31) is installed in the smoke collecting hood (1), one end of the sliding rod is connected to the back plate (12) of the smoke collecting hood (1), the other end of the sliding rod is connected to the back surface of the smoke guide plate (11) and is close to the air inlet, the sliding assembly (5) is installed on the oil screen assembly (4), and the clamping groove (521) is slidably connected to the sliding rod (31).

3. The side-draft range hood according to claim 2, wherein the sliding rod (31) comprises a transverse section (311) and an inclined section (312) which are connected to each other to form an obtuse angle, one end of the transverse section (311) far away from the inclined section (312) is connected to the back plate (12), one end of the inclined section (312) far away from the transverse section (311) is connected to the back surface of the smoke guide plate (11), and the clamping groove (521) is connected with the transverse section (311) in a sliding manner.

4. The side-draft range hood according to claim 2, wherein the sliding assembly (5) comprises a fixed seat (51) and a sliding block (52), the fixed seat (51) is installed on the back of the oil screen assembly (4) and connected with the sliding block (52), and the sliding block (52) is provided with the clamping groove (521) which opens towards the sliding rod (31).

5. The side-draft range hood according to claim 4, wherein guide surfaces (522) are arranged at outer ends of two opposite side walls of the clamping groove (521), and the guide surfaces (522) are inclined from outside to inside towards a central axis of the clamping groove (521).

6. The side-draft range hood according to claim 5, wherein the slider (52) is provided with a notch (523) facing the sliding rod (31) and having an inward groove on a surface thereof, and the notch (523) is located below the slot (521), so that the lower sidewall of the slot (521) forms a deformable hook structure.

7. The side-draft range hood according to claim 4, wherein the sliding assembly (5) further comprises a limiting member (53), the fixing base (51) is provided with an extending portion (511) facing the sliding block (52), the sliding block (52) is provided with an opening through which the extending portion (511) passes, and the extending portion (511) is inserted into the opening and then is engaged with the limiting member (53).

8. The side-draft range hood according to claim 1, wherein the oil screen assembly (4) comprises an oil screen (41) and an oil screen frame (42) having a mounting opening (421), the oil screen (41) is detachably mounted at the mounting opening (421), one end of the oil screen frame (42) is connected to the flap assembly (2), and the other end of the oil screen frame is slidably connected to the guide assembly (3).

9. The side-draft range hood according to claim 8, wherein a side plate (422) facing the inside of the smoke collecting hood (1) is integrally formed on the left side and the right side of the oil screen frame (42), and/or an oil guide groove (423) is formed on one side of the oil screen frame (42) close to the flap assembly (2), and a side wall of the oil guide groove (423) is tightly attached to the back surface of the flap assembly (2).

10. The side-draft range hood according to claim 8 or 9, wherein a folded edge (424) facing the smoke guide plate (11) is formed on one side of the oil screen frame (42) facing away from the flap assembly (2), and a plurality of oil leakage holes (425) are formed in the folded edge (424).

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