CN211290198U - Range hood with double air inlets - Google Patents

Abstract

The utility model discloses a lampblack absorber of two air intakes, including side smoking chamber, lower smoking chamber and negative pressure system, communicate mutually between side smoking chamber, lower smoking chamber, the negative pressure system, side smoking chamber is equipped with and is used for opening and close the cigarette board of holding together of last air intake, lower smoking chamber is equipped with and is used for opening and close down the air intake hold together the smoke box subassembly, hold together the smoke box subassembly and hold together and be equipped with the interlock subassembly between the cigarette board, hold together the smoke box subassembly and remove the in-process, this interlock subassembly drive is held together the motion of cigarette board. The utility model discloses a lampblack absorber of two air intakes, side smoking chamber and lower smoking chamber homoenergetic absorb the oil smoke, hold together the smoke box subassembly and hold together the cigarette board and constitute the great negative pressure smoking district of a scope, when the oil smoke produced from its cooking utensils in low, all in-process all in this negative pressure smoking district within range to cigarette machine upper portion is flown all the way until, can absorb most oil smoke all the way.

Description

Range hood with double air inlets

Technical Field

The utility model relates to a kitchen appliance, concretely relates to lampblack absorber.

Background

China is a big cooking country, cooking modes are various, kitchen oil smoke can damage respiratory systems of human bodies, data show that more than 60% of non-smoking women who induce lung cancer are in long-term contact with the kitchen oil smoke, the harm to health is great, about 160 million people die of respiratory diseases every year in the world, and soot type fluorosis and arsenic poisoning become endemic diseases of residents in certain areas of China. Experts point out that in addition to correctly controlling oil temperature and cooking time, the damage of kitchen oil smoke to human bodies can be reduced by selecting a correct smoke exhaust machine;

in the prior art, a household range hood is generally of a top suction type and a side suction type, the top suction type is attractive in style, but is easy to touch the head, the range hood is far away from oil smoke, the smoke suction effect is poor, the side suction type is close to the oil smoke, the smoke suction effect is good, but the style is not attractive, the occupied space is large, in recent years, a cross-boundary range hood with the shape between the top suction type and the side suction type is provided, the problems of large occupied space of the side suction type and poor smoke suction effect of the top suction type are solved, but only one smoke suction box extending to the position close to the upper part of a kitchen range is arranged at an air inlet of the cross-boundary range.

Disclosure of Invention

The purpose of the invention is as follows: the utility model aims to overcome the defects of the prior art, and provides a range hood with double air inlets, compared with the traditional cross-border range hood, a side smoke suction cavity capable of automatically opening and closing the air inlet is added, the range hood is provided with a linkage component for linking a smoke collecting box component and a smoke collecting plate, the linkage component drives the smoke collecting plate to open an upper air inlet in the process of downwards moving and opening a lower air inlet, the linkage component drives the smoke collecting plate to close the upper air inlet in the process of upwards moving and closing the lower air inlet, on one hand, the smoke collecting box component draws the distance between the air inlet and the oil smoke, on the other hand, the smoke collecting plate which is turned along blocks the smoke collecting plate which is not absorbed and upwards escaped, the oil smoke is sucked into the range hood through the upper air inlet at the smoke collecting plate, the smoke collecting box component and the smoke collecting plate are in linkage design, the smoke collecting plate is not required to be operated independently, and both hands, also improves the smoking effect and enhances the scientific and technological sense.

The technical scheme is as follows: a lampblack absorber of two air intakes, including side smoking chamber, lower smoking chamber and negative pressure system, communicate mutually between side smoking chamber, lower smoking chamber, the negative pressure system, side smoking chamber is equipped with and is used for opening and close the cigarette board of holding together of last air intake, lower smoking chamber is equipped with and is used for opening and close down the air intake hold together the smoke box subassembly, hold together the smoke box subassembly and hold together and be equipped with the interlock subassembly between the cigarette board, hold together the smoke box subassembly and remove the in-process, this interlock subassembly drive is held together the motion of cigarette board.

The negative pressure system comprises a case and a volute arranged in the case, a wind wheel is arranged in the volute, a lower air inlet is formed in the bottom of the case, an air outlet is formed in the top of the case, an air inlet channel is formed between the volute and the case, and a volute air inlet is formed in one side, facing the air inlet channel, of the volute.

The lower air inlet is positioned at the rear side of the case, the volute is positioned at the front side in the case, and the lower smoke suction cavity and the side smoke suction cavity are communicated with the air inlet channel through the lower air inlet.

The cigarette gathering box component comprises a cigarette smoking frame body and a lifting device, the cigarette smoking frame body is connected to the lower cigarette smoking cavity through the movement of the lifting device, the lifting device comprises a push rod motor, and the cigarette smoking frame body is connected to the lower cigarette smoking cavity through the movement of the push rod motor.

The sliding block of the push rod motor moving part is connected with a fixing plate, the fixing plate is connected with a fixing beam, the fixing beam is connected to a back plate of the smoking frame body, and a sliding rail is arranged between the smoking frame body and the back plate of the lower smoking cavity.

The cigarette gathering box component comprises a cigarette gathering frame body, an oil leakage hole is formed in the bottom wall of the cigarette gathering frame body, a detachable oil gathering box is arranged below the oil leakage hole in the cigarette gathering frame body, the side walls of two ends of the oil gathering box are contained in the outer side of the bottom of the cigarette gathering frame body, a yielding hole for turning the cigarette gathering plate is formed in the edge of the upper end of the oil gathering box, and the vertical direction projection of the bottom edge of the cigarette gathering plate is located on the inner side of the yielding hole.

The lower air inlet is arranged on the front plate of the smoking frame body, the lower oil screen is arranged at the lower air inlet, and the lower oil screen is adsorbed on the lower air inlet through a magnetic part at the edge of the lower oil screen.

The linkage assembly comprises a first transmission rod, one end of the first transmission rod is hinged to the cigarette gathering box assembly, a driving portion is fixedly connected to the cigarette gathering plate, the other end of the first transmission rod is hinged to the driving portion, the cigarette gathering box assembly moves up and down to drive the first transmission rod to drive the cigarette gathering plate to open and close the upper air inlet.

The cigarette gathering plate is hinged to the upper air inlet, and the cigarette gathering box assembly moves up and down to drive the first transmission rod to drive the cigarette gathering plate to turn around the hinge mechanism.

The cigarette gathering plate slides to open and close the upper air inlet, and the cigarette gathering box assembly moves up and down to drive the first transmission rod to drive the cigarette gathering plate to slide in a translation manner.

Has the advantages that: the utility model discloses a range hood with double air inlets, an upper air inlet is added on the installation plane of the traditional cross-border range hood, the upper air inlet and the inner space of the range hood form a side smoking cavity, the side smoking cavity and a lower smoking cavity jointly form a smoking channel, an openable and closable smoke-holding plate is arranged at the upper air inlet, the range hood is provided with a linkage component linking the smoke-holding box component and the smoke-holding plate, the linkage component drives the smoke-holding plate to open the upper air inlet in the process of opening the lower air inlet by moving the smoke-holding box component downwards, the linkage component drives the smoke-holding plate to close the upper air inlet in the process of moving the lower air inlet upwards and closing the lower air inlet, the linkage component drives the smoke-holding plate to close the upper air inlet to avoid that a user manually opens the smoke-holding box component again after starting the smoke-holding box component downwards by an operating button, the practicability of the smoke-holding plate is greatly improved, the oil smoke produced by the cooker during cooking floats upwards, the oil smoke enters the volute of the negative pressure system through the lower air inlet, the oil smoke which is not completely absorbed by the smoke gathering box assembly continuously flows upwards, when the oil smoke escapes to the lower part of the smoke gathering plate, the smoke gathering plate blocks an upwards flowing channel, because the upper air inlet also has a negative pressure area, the escaped oil smoke enters the side smoke sucking cavity through the upper air inlet and further enters the volute of the negative pressure system, the oil smoke is exhausted through the air outlet at the top of the case of the range hood, the side smoke sucking cavity and the lower smoke sucking cavity can absorb the oil smoke, the smoke gathering box assembly and the smoke gathering plate form a negative pressure smoke sucking area with a larger range, and when the oil smoke is generated in a low range, the oil smoke flows all the way to the upper part of the range hood and is in the range of the negative pressure smoke sucking area, the range hood with the double air inlets can absorb most of the oil smoke, thereby avoiding the oil smoke escape and achieving a good smoke sucking effect;

the lifting device is arranged below the volute in the range hood, so that the inner cavity space of the case of the range hood is saved, the lower air inlet is positioned at the rear side of the case, the volute is positioned at the front side in the case, the area of an oil smoke suction inlet is greatly increased, the lifting device is a push rod motor connected to the lower portion of the volute through a support, in order to prevent the left-right unbalance condition of the smoke gathering box assembly in the moving process, a sliding block of a moving portion of the push rod motor is connected with a fixed plate, the fixed plate is connected with a fixed beam, the fixed beam is connected to a back plate of a smoke absorbing frame body through the fixed beam, the connecting area of the moving portion of the push rod motor and the smoke absorbing frame body is increased, the operation stability of the smoke absorbing;

in order to realize linkage of the cigarette gathering box assembly and the cigarette gathering plate, a first transmission rod is hinged on the cigarette gathering box assembly which moves up and down, the other end of the first transmission rod is hinged with a driving part, the driving part is fixed on the back of the cigarette gathering plate, one end of the first transmission rod hinged with the cigarette gathering box assembly is driven to swing when the cigarette gathering box assembly moves, so that the other end of the first transmission rod also swings along with the first transmission rod, the cigarette gathering plate is hinged at an upper air inlet of a side cigarette suction cavity, and in the process that the other end of the first transmission rod drives the driving part to swing, a driving force for pushing the cigarette gathering plate to turn is formed, and linkage between the cigarette gathering box assembly and the cigarette gathering plate is realized through the first transmission rod penetrating through the upper air inlet;

the existing driving part on the back of the cigarette gathering plate is replaced by a second transmission rod, the first transmission rod is hinged with the end part of the second transmission rod, when the cigarette gathering box assembly moves up and down and drives one end of the first transmission rod hinged with the cigarette gathering box assembly to swing, the other end of the first transmission rod drives the second transmission rod to deflect, the second transmission rod drives the cigarette gathering plate to turn over, and the second transmission rod and the first transmission rod are hinged inside a side smoking cavity, so that the second transmission rod and the first transmission rod cannot penetrate through an upper air inlet and are completely hidden inside the side smoking cavity, and a user cannot see a connecting rod assembly from any angle;

in order to realize linkage of the cigarette gathering box assembly and the cigarette gathering plate, two sides of an upper air inlet in the vertical direction can be provided with a first fixed pulley and a second fixed pulley which are in transmission connection, wherein the first fixed pulley and the second fixed pulley are in transmission connection through a transmission belt, a telescopic transmission rod is hinged on the cigarette gathering box assembly, the end part of the telescopic transmission rod is connected with a rotating shaft of the first fixed pulley, in the moving process of the cigarette gathering box assembly, as the length of the telescopic transmission rod can be compressed or elongated, the telescopic transmission rod can swing around the rotating shaft of the first fixed pulley and simultaneously drive the first fixed pulley to rotate, when the first fixed pulley on one side rotates, the second fixed pulley simultaneously rotates, the second fixed pulley can drive the cigarette gathering plate to overturn, the traditional connecting rod transmission is in rigid connection, the part processing precision requirement is high, transmission obstacle can be caused once deformation occurs, and the transmission belt and the first fixed, The second fixed pulleys are driven by friction force, if the cigarette gathering plate is clamped in the overturning process, the transmission belt, the first fixed pulleys and the second fixed pulleys can slip, the deformation of the internal structure of the linkage assembly cannot be caused, manual adjustment and recovery can be realized by pulling the cigarette gathering plate off the fingers, the structure is simple, the fault tolerance rate is high, over-precise parts are not needed, even if the cigarette gathering box assembly is clamped with the cigarette gathering plate in the linkage process, the transmission structure in the linkage assembly cannot be damaged, and the automatic maintenance and adjustment of a user are facilitated when a mechanical fault occurs;

a slide rail mechanism is arranged at the upper air inlet of the side smoking cavity, the cigarette gathering plate is arranged at the upper air inlet through the slide rail mechanism in a sliding way, the back side of the cigarette gathering plate is provided with a driving part, the cigarette gathering box component is hinged with the driving part through a first transmission rod, when the cigarette collecting box component moves to drive one end of the first transmission rod hinged with the cigarette collecting box component to swing and the other end of the first transmission rod synchronously swings, because the cigarette holding plate can only do linear movement along the slide rail mechanism, the other end of the first transmission rod pokes the cigarette holding plate to move along the slide rail mechanism under the limitation of the driving part, the cigarette holding plate is opened and closed to open and close the upper air inlet, the design avoids the overturning motion of the cigarette gathering plate, a certain space is needed in the overturning process of the cigarette gathering plate, the sight can be shielded to a certain extent, the translational design structure is simple, the cost is low, mechanical faults are not easy to occur, and the case is prevented from being clamped in the linkage process of the cigarette collecting box assembly and the cigarette collecting plate;

the smoke absorbing frame body is arranged inside the lower smoke absorbing cavity in a hidden mode through the lifting device, when a lower air inlet does not need to absorb smoke, the lifting device lifts the smoke absorbing frame body into the lower smoke absorbing cavity, more oil smoke is absorbed by the smoke absorbing frame body, the oil collecting cup is connected to the smoke absorbing frame body, the smoke absorbing frame body can effectively prevent peculiar smell from being emitted when being absorbed into the lower smoke absorbing cavity, the sliding rail is arranged between the smoke absorbing frame body and the back plate of the lower smoke absorbing cavity, the operation precision of the smoke absorbing frame body is improved, the smoke collecting frame body and the back plate are prevented from being clamped, the smoke collecting plate needs to be turned, if the width of the smoke collecting plate is large, the smoke collecting plate can interfere with the oil collecting box, the position opening in the edge of the upper end opening of the oil collecting box can provide turning space for the smoke collecting plate, the vertical direction projection of the bottom edge of the smoke collecting plate;

the oil collecting box is characterized in that a lower oil screen is arranged at a lower air inlet of the smoking frame body, an upper oil screen is arranged at an upper air inlet of the side smoking cavity and can be penetrated by the linkage assembly to provide a movement space for the linkage assembly, oil stains accumulated in the side smoking cavity can flow down to the oil collecting box of the smoking frame body, the smoking frame body is closest to oil smoke and absorbs most of the oil smoke, so that the lower oil screen needs to be frequently cleaned, a magnetic part is arranged at the edge of the lower oil screen, the lower oil screen is adsorbed at the lower air inlet, the disassembly and cleaning are convenient, and the number of disassembled parts is reduced;

the side smoking chamber has the mounting plane of installation smoke-collecting board, and the mounting plane descends from front to back for there is the cavity that is used for holding the oil smoke in the side smoking chamber, and the oil smoke that gets into the side smoking intracavity and not in time is inhaled away can temporarily exist in this cavity, has further prevented the oil smoke escape, and the mounting plane of this slope still provides a trickling face for the greasy dirt, makes the greasy dirt of side smoking chamber flow into down smoking chamber and get into the collection oil box along the mounting plane internal surface.

Drawings

Fig. 1 is a schematic diagram of the range hood in a shutdown state;

fig. 2 is a schematic diagram of an on state of embodiment 1 of the present invention;

fig. 3 is a side view of the internal structure of embodiment 1 of the present invention;

fig. 4 is an axial top view of the internal structure of embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a lower smoking cavity in embodiment 1 of the present invention;

fig. 6 is an axial bottom view of embodiment 1 of the present invention;

fig. 7 is a schematic view of an axial internal structure of embodiment 1 of the present invention;

fig. 8 is a schematic structural view of a smoking frame body according to embodiment 1 of the present invention;

fig. 9 is a side view of the starting structure of embodiment 2 of the present invention;

fig. 10 is a side view of the structure of the embodiment 2 of the present invention in a closed state;

fig. 11 is a schematic view of an axial internal structure of embodiment 2 of the present invention;

fig. 12 is a side view of the starting structure of embodiment 3 of the present invention;

fig. 13 is a schematic diagram of an embodiment 4 of the present invention in an open state;

fig. 14 is a side view of the internal structure of embodiment 4 of the present invention;

fig. 15 is an axial top view of the internal structure of embodiment 4 of the present invention;

fig. 16 is a schematic structural view of the lifting device of the range hood of the present invention.

Detailed Description

The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.

Example 1: as shown in fig. 1-8 and fig. 16, the range hood with double air inlets of the present invention comprises a side smoking chamber 100, a lower smoking chamber 200 and a negative pressure system 300, wherein the side smoking chamber 100 has a mounting plane 120 for mounting the smoke-collecting plate 110, in order to improve the smoking effect, an upper air inlet 130 is added on the mounting plane 120, the upper air inlet 130 and the inner space of the machine case of the range hood form the side smoking chamber 100, the lower smoking chamber 200 and the negative pressure system 300 are communicated with each other, the side smoking chamber 100 is provided with the smoke-collecting plate 110 for opening and closing the upper air inlet 130, the smoke-collecting plate 110 can be arranged in a reversible manner or in a sliding manner, the lower smoking chamber 200 is provided with the smoke-collecting box assembly for opening and closing the lower air inlet 210, the range hood is provided with a linkage assembly for linking the smoke-collecting box assembly and the smoke-collecting plate 110, the linkage assembly drives the smoke-collecting plate 110 to open the upper air inlet 130 when moving downwards, in the process that the smoke-gathering box component moves upwards to close the lower air inlet 210, the linkage component drives the smoke-gathering plate 110 to close the upper air inlet 130, the linkage design avoids the situation that after a user starts the smoke-gathering box component to move downwards through an operating button, the smoke-gathering 110 needs to be manually opened again, the practicability of the smoke-gathering plate 110 is greatly improved, after oil smoke generated by a cooker floats upwards during cooking, the oil smoke firstly enters the downward-extending smoke-gathering box component, the oil smoke enters the inside of the volute 310 of the negative pressure system 300 through the lower air inlet 210, the oil smoke which is not completely absorbed by the smoke-gathering box component continuously floats upwards, when the oil smoke escapes to the lower side of the smoke-gathering plate 110, the oil smoke is blocked by the upward-floating channel of the smoke-gathering plate 110, and because a negative pressure area also exists in the space enclosed by the upper air inlet 130 and the smoke-gathering plate 110, the escaped oil smoke enters the side smoke-absorbing cavity 100 through the upper air inlet 130, the oil smoke is exhausted through an air outlet 320 at the top of a machine case of the cigarette machine, the side smoke absorbing cavity 100 and the lower smoke absorbing cavity 200 can absorb the oil smoke, the smoke collecting box component and the smoke collecting plate 110 form a negative pressure smoke absorbing area with a large range, when the oil smoke is generated in a low kitchen range and flows to the installation plane 120 at the upper part of the cigarette machine, the oil smoke is in the range of the negative pressure smoke absorbing area, the negative pressure smoke absorbing area can absorb most of the oil smoke and prevents the oil smoke from escaping, the smoking effect is good, the negative pressure system 300 comprises the machine case 330 and a volute 310 arranged in the machine case 330, a wind wheel 311 is arranged in the volute 310, a lower air inlet 210 is arranged at the bottom of the machine case 330, an air outlet 320 is arranged at the top of the machine case 330, an air inlet channel formed by the side smoke absorbing cavity 100 and the lower smoke absorbing cavity 200 is arranged between the volute 310 and the machine case 330, an air inlet 340 is arranged at one side of the volute, the volute 310 is located at the front side in the chassis 330, and the lower smoking cavity 200 and the side smoking cavity 100 are communicated with an air inlet channel through the lower air inlet 210;

the cigarette gathering plate 110 is rotatably arranged at the upper air inlet 130 of the side smoking cavity 100 through the hinge mechanism 111, the linkage assembly comprises a first transmission rod 400, one end of the first transmission rod 400 is hinged to the cigarette gathering box assembly, the cigarette gathering box assembly is provided with a n-shaped support 620, the first transmission rod 400 is hinged to the n-shaped support 620, the n-shaped support 620 is balanced in stress and high in structural strength, the space between the n-shaped support 620 and the cigarette gathering box assembly can be used as a shaft sleeve 812 of the push rod motor 810, the stress direction of the first transmission rod 400 is arranged at the center of the cigarette gathering box assembly, the n-shaped support 620 enables the first transmission rod 400 to be uniformly stressed, the phenomenon that the first transmission rod 400 is bent due to unbalanced stress for a long time is avoided, the back side of the cigarette gathering plate 110 is fixedly connected with a driving part, the other end of the first transmission rod 400 is hinged to the driving part, the first transmission rod 400 is driven to drive the cigarette gathering plate 110 to, the hinge mechanism 111 is positioned at the top of the cigarette gathering plate 110, the driving part is positioned at the back side of the cigarette gathering plate 110, the other end of the first transmission rod 400 penetrates through the upper air inlet 130 from the side cigarette gathering cavity 100 and is connected to the driving part, when the cigarette gathering box assembly moves, one end of the first transmission rod 400 hinged with the cigarette gathering box assembly is driven to swing, so that the other end of the first transmission rod 400 swings along with the first transmission rod, the upper edge of the cigarette gathering plate 100 is hinged to the upper air inlet 130 of the side cigarette gathering cavity 100, in the process that the other end of the first transmission rod 400 drives the driving part to swing, a driving force for pushing the cigarette gathering plate 110 to turn upwards and outwards is formed, and the cigarette gathering box assembly and the cigarette gathering plate 110 are linked through the first transmission rod 400 penetrating through the upper air inlet 130, so that the structure is simple, the cost is low, mechanical failure is not;

the smoke collecting box assembly comprises a smoke collecting frame body 700 and a lifting device 800, the smoke collecting frame body 700 is movably connected in an inner cavity of the lower smoke collecting cavity 200 through the lifting device 800, a lower air inlet 210 is arranged on the front side of the smoke collecting frame body 700, an oil collecting cup 710 is arranged at the bottom of the smoke collecting frame body 700, the lifting device 800 comprises a push rod motor 810 fixed at the end part, a sliding block 811 of the push rod motor 810 is fixed on the push rod motor 810 through a shaft sleeve 812, after the push rod motor 810 is started, the sliding block 811 can linearly move along the shaft sleeve 812, a support 813 of the push rod motor 810 is fixed on the case 330 or the scroll case 310 through welding and other methods, the support 813 is positioned below the scroll case 310 and does not interfere with front and back air inlet of the scroll case 310, the function of fixing the push rod motor 810 is realized while ensuring the air inlet amount, the push rod motor 810 faces away from, a sliding rail 900 is arranged between the smoking frame body 700 and the back plate of the lower smoking cavity 200, a sliding block 811 of the push rod motor 810 is connected with a fixing plate 820, the fixing plate 820 is connected with a fixing beam 830, the fixing beam 830 is connected with the back plate of the smoking frame body 700, the lifting device 800 is arranged below the volute 310 in the range hood, the inner cavity space of the range hood case can be saved, the lower air inlet 210 is arranged at the rear side of the case 330, the volute 310 is arranged at the front side in the case 330, the area of an oil smoke suction inlet is greatly increased, in order to prevent the left-right unbalance condition of the smoke gathering case assembly in the moving process, the push rod motor 810 is more firmly connected with the smoking frame body 700, the sliding block 811 of the moving part of the push rod motor 810 is connected with the fixing plate 820, the fixing plate 820 is connected with the fixing beam 830, the upper edge and the lower edge of, the fixed beam 830 is connected to the back plate of the smoking frame body 700, so that the connection area between the moving part of the push rod motor 810 and the smoking frame body 700 is indirectly increased, the operation stability and structural firmness of the smoking frame body 700 are improved, only the fixed plate 820 and the fixed beam 830 need to be disassembled during maintenance, and the convenience for later maintenance of the smoking frame body 700 is improved;

the smoking frame body 700 is hidden in the lower smoking cavity 200 through the lifting device 800, when the lower air inlet 210 does not need smoking, the lifting device 800 lifts the smoking frame body 700 into the lower smoking cavity 200, because the smoking frame body 700 sucks more oil smoke and the oil collecting cup 710 is connected to the bottom of the smoking frame body 700, the odor can be effectively prevented from dispersing when the smoking frame body 700 is sucked into the lower smoking cavity 200, a sliding rail 900 is arranged between the smoking frame body 700 and the lower smoking cavity 200, the female sliding rail 910 of the sliding rail 900 is arranged at the back plate of the case 330, the male sliding rail 920 of the sliding rail 900 is arranged at the back plate of the smoking frame body 700, the installation position of the sliding rail 900 is close to the center relative to the smoking frame body 700, the sliding rail 900 is prevented from being seen from the side by a user, the attractiveness and the tidiness effect are improved, the sliding rails 900 on the two sides improve the running precision of the smoking frame body 700, because the cigarette collecting plate 110 needs to be turned over, if the width of the cigarette collecting plate 110 is large, the cigarette collecting plate 100 interferes with the oil collecting box 710, the abdicating port 711 at the edge of the upper port of the oil collecting box 710 can provide a turning space for the cigarette collecting plate 110, the vertical projection of the bottom edge of the cigarette collecting plate 110 is positioned inside the abdicating port 711, and oil drops dropping from the bottom edge of the cigarette collecting plate 110 cannot drop outside the oil collecting box 710;

the side smoking cavity 100 is provided with a mounting plane 120 for mounting the smoke gathering plate 110, the upper air inlet 130 is arranged on the mounting plane 120, the mounting plane 120 inclines downwards from front to back, an inclined upper oil screen 131 is arranged at the upper air inlet 130, the lower air inlet 210 is arranged on the front plate of the smoking frame body 700, a lower oil screen 211 is arranged at the lower air inlet 210 of the smoking frame body 700, the upper oil screen 131 is arranged at the upper air inlet 130 of the side smoking cavity 100, the upper oil screen 131 can be used for a first transmission rod 400 of the linkage assembly to penetrate through to provide a motion space for the linkage assembly, as oil stains accumulated in the side smoking cavity 100 can flow into an oil collecting box 710 of the smoking frame body 700, and the smoking frame body 700 is closest to the oil stains and absorbs most of the oil stains, the lower oil screen 211 needs to be frequently cleaned, the magnetic part 212 is arranged at the edge of the lower oil screen 211, the lower oil screen 211 is adsorbed at the lower air inlet 210 during use, and the adsorption design, the number of detached parts is reduced, the smoke-collecting box assembly comprises a smoking frame body 700, an oil leakage hole 730 is formed in the bottom wall of the smoking frame body 700, a detachable oil collecting box 710 is arranged below the oil leakage hole 730, the length of the oil collecting box 710 is 1-5 mm greater than that of the smoking frame body 700, oil stain in the smoking frame body 700 cannot be received by the side face of the oil collecting box 710, the side walls of two ends of the oil collecting box 710 are contained outside the bottom of the smoking frame body 700, a position-giving-off hole 711 for turning over the smoke-collecting plate 110 is formed in the edge of the upper end opening of the oil collecting box 710, the oil stain-collecting box 710 is prevented from being scratched when the smoke-disturbing plate 110 is turned over, the mounting plane 120 of the side smoking cavity 100 inclines downwards from front to back, a cavity 150 for containing oil smoke is formed in the side smoking cavity 100, oil smoke which is not sucked in time in the side smoking cavity 100 can be temporarily stored in the cavity 150, oil smoke is further prevented from escaping, and the inclined mounting plane 120 also, the oil stain in the side smoke suction cavity 100 flows into the lower smoke suction cavity 200 along the inner surface of the mounting plane 120 and enters the oil collecting box 710, because the upper oil screen 131 and the mounting plane 120 of the side smoke suction cavity 100 may not be in the same plane, the oil stain may block the seam between the upper oil screen 131 and the upper air inlet 130, the oil guide plate 140 is arranged above the inner side of the upper air inlet 130 on the mounting plane 120, the oil guide plate 140 includes a first plate body 141 and a second plate body 142, the first plate body 141 and the second plate body 142 are connected by a bending portion, the edge of the second plate body 142 extends to the upper side of the upper oil screen 131, the oil stain accumulated on the inner side of the mounting plane 120 flows to the first plate body 141 and flows to the second plate body 142 along the bending portion, and drops to the inner side of the upper oil screen 131 from the edge of the second plate body 142, and then continues to flow downwards along the upper oil screen 131, and finally enters the oil collecting box 710.

Example 2: as shown in fig. 9 to 11, embodiment 2 differs from embodiment 1 in that: the driving part is a second driving rod 500, the second driving rod 500 is fixedly connected with the cigarette collecting plate 110, the other end of the first driving rod 400 is hinged at one end of the second driving rod 500, the other end of the second driving rod 500 is provided with a hinge mechanism 111, the cigarette collecting plate 110 is arranged at the outer side of the hinge mechanism 111, when the cigarette collecting box component moves up and down and drives one end of the first driving rod 400 hinged with the cigarette collecting box component to swing, the other end of the first driving rod 400 drives one end of the second driving rod 500 to deflect, the second driving rod 500 rotates around the hinge mechanism 111, the other end of the second driving rod 500 further drives the cigarette collecting plate 110 to turn over and open and close the upper air inlet 130, because the hinged part of the second driving rod 500 and the first driving rod 400 is positioned inside the side cigarette suction cavity 100, the second driving rod 500 and the first driving rod 400 cannot penetrate through the upper air inlet 130 and are completely hidden inside the side cigarette suction cavity 100, the hidden design is attractive, the second transmission rod 500 and the first transmission rod 400 are not easy to interfere with the upper oil screen 131 at the upper air inlet 130, mechanical faults are not easy to occur, and the case clamping in the linkage process of the cigarette collecting box assembly and the cigarette collecting plate 110 is prevented;

example 3: as shown in fig. 12, the embodiment 3 is different from the embodiment 1 in the specific structure of the interlocking member: the linkage assembly comprises a telescopic transmission rod 510, a first fixed pulley 520 and a second fixed pulley 530 which are in transmission connection are arranged on two sides of the side smoking cavity 100 in the vertical direction of the upper air inlet 130, one end of the telescopic transmission rod 510 is hinged to the cigarette gathering box assembly, the other end of the telescopic transmission rod 510 is fixedly arranged on a rotating shaft of the first fixed pulley 520, the cigarette gathering plate 110 is fixedly arranged on a rotating shaft of the second fixed pulley 530 or an extension part of the rotating shaft, the second fixed pulley 530 which is rotatably arranged at the upper air inlet 130 and used for enabling the cigarette gathering plate 110 to form a hinge mechanism 111, wherein the first fixed pulley 520 and the second fixed pulley 530 are in transmission connection through a transmission belt 540, the telescopic transmission rod 510 is hinged on the cigarette gathering box assembly, the end part of the telescopic transmission rod 510 is fixedly connected with the rotating shaft of the first fixed pulley 520, and in the moving process of the cigarette gathering box assembly, as the length of the telescopic transmission rod 510 can be, and drives the first fixed pulley 520 to rotate at the same time, when the first fixed pulley 520 on one side rotates, the transmission belt 540 drives the second fixed pulley 530 to rotate at the same time, the second fixed pulley 530 can drive the cigarette gathering plate 110 to overturn, the traditional link transmission is rigid connection, the requirement of part processing precision is high, transmission obstacle can be caused once deformation occurs, the transmission belt 540, the first fixed pulley 520 and the second fixed pulley 530 are driven by friction force, if the cigarette gathering plate 110 is blocked in the overturning process, the transmission belt 540, the first fixed pulley 520 and the second fixed pulley 530 can slip, deformation of the internal structure of the linkage assembly can not be caused, the position of the transmission belt 540 can be changed by moving the cigarette gathering plate 110 to adjust the angle, manual adjustment and reset of the linkage assembly can be realized, the structure is simple, the fault tolerance rate is high, no over-precise part is needed, even if the cigarette box assembly and the cigarette gathering plate 110 are blocked in the linkage process, the transmission structure in the linkage assembly can not be damaged, and a user can conveniently maintain and adjust the linkage assembly by himself when mechanical failure occurs;

example 4: as shown in fig. 13 to 15, embodiment 4 is different from embodiment 1 in the specific structure of the interlocking member: the cigarette gathering plate 110 is slidably arranged at the upper inlet 130 of the side smoking cavity 100 through a sliding rail mechanism, during the lifting motion of the cigarette gathering box assembly, the linkage assembly can be driven to drive the cigarette gathering plate 110 to horizontally move to open and close the upper inlet 130, the linkage assembly comprises a first transmission rod 400, one end of the first transmission rod 400 is hinged to the cigarette gathering box assembly, the back side of the cigarette gathering plate 100 is provided with a driving part, the other end of the first transmission rod 400 is hinged to the driving part, when the cigarette gathering box assembly drives one end of the first transmission rod 400 hinged to the first transmission rod to swing, and the other end of the first transmission rod 400 synchronously swings, because the cigarette gathering plate 110 can only do linear motion along the sliding rail mechanism, the other end of the first transmission rod 400 pokes the cigarette gathering plate 110 to move along the sliding rail mechanism under the limitation of the driving part, the cigarette gathering plate 110 is opened and closed to open the upper inlet 130, the sliding rail mechanism, and fix the spacing slider on disturbing cigarette board 110, spacing slider is including passing the portion of stretching into of channel 121, it is equipped with its inflation portion 122 that breaks away from channel 121 to stretch into a top, the cladding of channel 121 periphery has the reduction frictional force, reinforcing structural strength's metal bed course 123, spacing slider portability disturbs cigarette board 110 and slides along channel 121, such design has been avoided holding together cigarette board 110 and must open and close last air inlet 130 through the upset motion, hold together cigarette board 110 upset in-process and need certain space, and still can shelter from the sight to a certain extent, touch the pan that is heating, such translation design simple structure low cost, mechanical failure is difficult for appearing, prevent to hold together cigarette case subassembly and hold together cigarette board 110 linkage in-process card shell.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a lampblack absorber of two air intakes which characterized in that: including side smoking chamber, lower smoking chamber and negative pressure system, communicate each other between side smoking chamber, lower smoking chamber, the negative pressure system, the side smoking chamber is equipped with and is used for opening and close the cigarette board that holds together of last air intake, lower smoking chamber is equipped with and is used for opening and close the cigarette case subassembly of holding together of air intake down, hold together the cigarette case subassembly and hold together and be equipped with the interlock subassembly between the cigarette board, hold together the cigarette case subassembly and remove the in-process, this interlock subassembly drive holds together the cigarette board motion.

2. A range hood with double air inlets according to claim 1, wherein: the negative pressure system comprises a case and a volute arranged in the case, a wind wheel is arranged in the volute, a lower air inlet is formed in the bottom of the case, an air outlet is formed in the top of the case, an air inlet channel is formed between the volute and the case, and a volute air inlet is formed in one side, facing the air inlet channel, of the volute.

3. A range hood with double air inlets as defined in claim 2, wherein: the lower air inlet is positioned at the rear side of the case, the volute is positioned at the front side in the case, and the lower smoke suction cavity and the side smoke suction cavity are communicated with the air inlet channel through the lower air inlet.

4. A range hood with double air inlets according to claim 1, wherein: the cigarette gathering box component comprises a cigarette smoking frame body and a lifting device, the cigarette smoking frame body is connected to the lower cigarette smoking cavity through the movement of the lifting device, the lifting device comprises a push rod motor, and the cigarette smoking frame body is connected to the lower cigarette smoking cavity through the movement of the push rod motor.

5. A range hood with double air inlets according to claim 4, wherein: the sliding block of the push rod motor moving part is connected with a fixing plate, the fixing plate is connected with a fixing beam, the fixing beam is connected to a back plate of the smoking frame body, and a sliding rail is arranged between the smoking frame body and the back plate of the lower smoking cavity.

6. A range hood with double air inlets according to claim 1, wherein: the cigarette gathering box component comprises a cigarette gathering frame body, an oil leakage hole is formed in the bottom wall of the cigarette gathering frame body, a detachable oil gathering box is arranged below the oil leakage hole in the cigarette gathering frame body, the side walls of two ends of the oil gathering box are contained in the outer side of the bottom of the cigarette gathering frame body, a yielding hole for turning the cigarette gathering plate is formed in the edge of the upper end of the oil gathering box, and the vertical direction projection of the bottom edge of the cigarette gathering plate is located on the inner side of the yielding hole.

7. A range hood with double air inlets according to claim 6, wherein: the lower air inlet is arranged on the front plate of the smoking frame body, the lower oil screen is arranged at the lower air inlet, and the lower oil screen is adsorbed on the lower air inlet through a magnetic part at the edge of the lower oil screen.

8. A range hood with double air inlets according to any one of claims 1 to 7, wherein: the linkage assembly comprises a first transmission rod, one end of the first transmission rod is hinged to the cigarette gathering box assembly, a driving portion is fixedly connected to the cigarette gathering plate, the other end of the first transmission rod is hinged to the driving portion, the cigarette gathering box assembly moves up and down to drive the first transmission rod to drive the cigarette gathering plate to open and close the upper air inlet.

9. A range hood with double air inlets according to claim 8, wherein: the cigarette gathering plate is hinged to the upper air inlet, and the cigarette gathering box assembly moves up and down to drive the first transmission rod to drive the cigarette gathering plate to turn over.

10. A range hood with double air inlets according to claim 8, wherein: the cigarette gathering plate slides to open and close the upper air inlet, and the cigarette gathering box assembly moves up and down to drive the first transmission rod to drive the cigarette gathering plate to slide in a translation manner.

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