Smoking device

Abstract

The utility model provides smoke suction equipment, and relates to the technical field of kitchen appliances, the smoke suction equipment provided by the utility model comprises a smoke collecting hood, a detection module and a smoke gathering plate, the detection module is connected with the smoke collecting hood or a shell of a fan; the smoke gathering plate is movably connected with the smoke collecting hood, so that the smoke gathering plate can be switched between a closed state and a completely opened state relative to the smoke collecting hood; and in the switching process between the closed state and the completely opened state, the motion trail of the smoke gathering plate is completely located on the outer side of the detection coverage area of the detection module.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen appliance technical field especially is concerned with a smoke suction equipment. BACKGROUND

[0002] In order to realize intelligent cooking, the existing range hood is equipped with an infrared detection module, which can collect information at the lower burner position, thereby assisting the completion of cooking.

[0003] After the application of the infrared detection module, the smoke suction plate of the range hood exists the situation of shielding the irradiation area of the infrared detection module in the opening process, thereby affecting the continuity and accuracy of intelligent cooking. SUMMARY

[0004] The utility model aims at providing a kind of smoke suction equipment to alleviate the existing smoke suction equipment, the situation that smoke suction plate exists shielding infrared detection module irradiation area in the opening process, technical problem.

[0005] In the first aspect, the utility model provides a kind of smoke suction equipment, comprising:

[0006] Smoke collecting cover;

[0007] Detection module, the detection module is connected with the shell of the smoke collecting cover or fan;

[0008] Smoke suction plate, smoke suction plate is movably connected with smoke collecting cover, so that smoke suction plate can be switched between closed state and completely open state relative to smoke collecting cover;And in the process of switching between closed state and completely open state, the movement track of smoke suction plate is completely located on the outside of the detection coverage area of detection module.

[0009] Further, smoke suction plate and smoke collecting cover are connected by connecting rod assembly;

[0010] Connecting rod assembly includes first connecting rod and second connecting rod respectively rotatably connected with smoke collecting cover and smoke suction plate;

[0011] In the left-right direction of smoke collecting cover, there is anti-pinch gap between first connecting rod and second connecting rod.

[0012] Further, the smoke suction equipment further includes a drive module movably connected with the smoke collecting cover, and the drive module has a telescopic drive rod;

[0013] The first connecting rod includes a first rotating connection structure, a second rotating connection structure and a third rotating connection structure, and the second rotating connection structure is located between the first rotating connection structure and the third rotating connection structure;

[0014] The first rotating connection structure is rotatably connected with the smoke collecting plate; the second rotating connection structure is rotatably connected with the smoke collecting cover; and the third rotating connection structure is rotatably connected with the telescopic driving rod.

[0015] The second connecting rod comprises a fourth rotating connection structure and a fifth rotating connection structure, the fourth rotating connection structure is rotatably connected with the smoke collecting plate, and the fifth rotating connection structure is rotatably connected with the smoke collecting cover.

[0016] Further, the smoke collecting cover is fixedly connected with a fixed seat, the second rotating connection structure and the fifth rotating connection structure are both rotatably connected with the fixed seat, and the directions of stresses applied by the second rotating connection structure and the fifth rotating connection structure to the fixed seat are the same during the rotation of the smoke collecting plate.

[0017] Further, the number of the connecting rod assemblies is at least two; the second rotating connection structure comprises a first shaft hole; the first shaft holes of the first connecting rods in the connecting rod assemblies are connected through a linkage shaft, so that the first connecting rods and the linkage shaft have the same movement state; the fixed seat is provided with a second shaft hole, the linkage shaft is located between the left and right spaced fixed seats, one end of the linkage shaft is rotatably connected with the second shaft hole of one of the fixed seats, and the opposite end is rotatably connected with the second shaft hole of the other fixed seat.

[0018] And / or, the fifth rotating connection structure comprises a third shaft hole; the fixed seat is provided with a rotating shaft, and the rotating shaft is detachably connected with a locking piece; the rotating shaft passes through the third shaft hole, and the second connecting rod is located between the fixed seat and the locking piece.

[0019] Further, the smoking device comprises a reinforcing plate and a fixed seat, the reinforcing plate is connected with the smoke collecting cover, and the fixed seat is connected with the reinforcing plate; the first connecting rod and the second connecting rod are both rotatably connected with the smoke collecting cover through the fixed seat.

[0020] Further, the reinforcing plate and the fixed seat are connected through first and second connecting structures arranged above and below, respectively.

[0021] Further, one of the first and second connecting structures comprises a first through hole, a first screw hole and a first screw, the tail end of the first screw passes through the first through hole and is threadedly connected with the first screw hole, one of the first through hole and the first screw hole is arranged on the reinforcing plate, and the other is arranged on the fixed seat.

[0022] The other of the first and second connecting structures comprises a second through hole, a second screw hole and a second screw, the tail end of the second screw passes through the second through hole and is threadedly connected with the second screw hole, one of the second through hole and the second screw hole is arranged on the reinforcing plate, and the other is arranged on the fixed seat.

[0023] One of the first screw hole and the second screw hole is arranged on the reinforcing plate, and the other is arranged on the fixing base.

[0024] Further, the smoking device further comprises a support, and the driving module is rotationally connected with the smoke collecting cover through the support.

[0025] The support comprises a first connecting part and a second connecting part arranged at an included angle, and the first connecting part and the second connecting part are connected with two faces of the smoke collecting cover which are not coplanar, respectively.

[0026] Further, the smoking device further comprises a switch mechanism for controlling the fan of the smoking device.

[0027] The switch mechanism is arranged on the shell of the smoke collecting cover or the fan.

[0028] The detection module is arranged in the switch mechanism, and a light transmission hole for emitting detection light of the detection module is arranged on the outer wall of the switch mechanism.

[0029] The smoking device provided by the utility model has at least the following advantages or beneficial effects:

[0030] The smoking device provided by the utility model comprises a smoke collecting cover, a detection module and a smoke collecting plate, the detection module is connected with the smoke collecting cover, the smoke collecting plate is movably connected with the smoke collecting cover, so that the smoke collecting plate can be switched between a closed state and a fully opened state relative to the smoke collecting cover, and the movement track of the smoke collecting plate is completely located outside the detection coverage area of the detection module during the switching process between the closed state and the fully opened state.

[0031] Through the above design, the smoke collecting plate does not interfere with the irradiation range of the detection module during the opening and closing process of the smoke collecting plate, the detection module can continuously collect data of a detection target during work, and the continuity and accuracy of work are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0033] Figure 1 The utility model provides a schematic view of the smoke collecting plate of the smoking device in the closed state;

[0034] Figure 2 The utility model provides a schematic view of the smoke collecting plate of the smoking device in the fully opened state;

[0035] Figure 3 Fig. 1 is a schematic diagram of an internal one perspective of a smoking equipment provided by an embodiment of the present application;

[0036] Figure 4 Fig. 2 is a schematic diagram of an internal two perspective of a smoking equipment provided by an embodiment of the present application;

[0037] Figure 5 Fig. 3 is a schematic diagram of an internal three perspective of a smoking equipment provided by an embodiment of the present application;

[0038] Figure 6 Fig. 4 is a schematic diagram of a four-bar linkage mechanism of a smoking equipment provided by an embodiment of the present application;

[0039] Figure 7 Fig. 5 is a movement trajectory diagram of a smoke gathering plate of a smoking equipment provided by an embodiment of the present application;

[0040] Figure 8 Fig. 6 is a schematic diagram of a support of a smoking equipment provided by an embodiment of the present application;

[0041] Figure 9 Fig. 7 is a schematic diagram of a smoke collecting cover of a smoking equipment provided by an embodiment of the present application;

[0042] Figure 10 Fig. 8 is a schematic diagram of a reinforcing plate of a smoking equipment provided by an embodiment of the present application;

[0043] Figure 11 Fig. 9 is a schematic diagram of a first connecting rod and a linkage shaft of a smoking equipment provided by an embodiment of the present application;

[0044] Figure 12 Fig. 10 is a schematic diagram of a fixing seat of a smoking equipment provided by an embodiment of the present application;

[0045] Figure 13 Fig. 11 is a schematic diagram of a fixing seat and a second connecting rod of a smoking equipment provided by an embodiment of the present application.

[0046] Icon: 100 - smoke collecting cover; 110 - decorative panel; 120 - switch mechanism;

[0047] 200 - smoke gathering plate;

[0048] 300 - first connecting rod; 310 - first rotating connection structure; 320 - second rotating connection structure; 330 - third rotating connection structure;

[0049] 400 - second connecting rod; 410 - fourth rotating connection structure; 420 - fifth rotating connection structure;

[0050] 500 - support; 510 - first connecting part; 520 - second connecting part;

[0051] 600 - drive module; 710 - linkage shaft; 711 - copper sleeve; 712 - pressing block; 720 - rotating shaft; 723 - flat washer; 724 - locking piece;

[0052] 800 - reinforcing plate; 810 - first through hole; 820 - second threaded hole;

[0053] 900 - fixing seat; 910 - first threaded hole; 920 - second through hole; 930 - shaft bowl. DETAILED DESCRIPTION

[0054] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0055] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0056] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0057] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0058] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or suspended, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0059] In the description of the utility model, it also needs to be explained that, unless there is explicit provision and limitation, the terms "arrange", "install", "connect", "connect" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0060] As Figure 1 And Figure 2 The utility model provides smoking equipment, which comprises: a smoke collecting cover 100, a detection module and a smoke gathering plate 200.

[0061] The smoke collecting cover 100 can include a side area and a top area, and the top area is connected above the side area. The smoke collecting cover 100 is roughly in the shape of "7". The side area is designed to be ultra-thin, and the length in the front-rear direction is not more than 1 / 3 of the maximum length of the whole smoke collecting cover 100. The smoke gathering plate 200 is connected to the side area.

[0062] The detection module can be arranged on the top area, or on the shell of the fan connected to the top area. The detection module can be a temperature measurement module, which can generate infrared light from top to bottom. The detection area of the infrared light is in the shape of a cone, covering the cooking appliance.

[0063] In this embodiment, the top area can be provided with a switch mechanism 120, which can be hung on the bottom surface of the top area. The switch mechanism 120 can control the opening and closing of the fan and adjust the power. The detection module is arranged inside the switch mechanism 120, and emits detection light outward through a light transmission hole on the outer wall of the switch mechanism 120. A lens is installed at the light transmission hole to prevent oil stains from polluting the detection module. A touch screen or button is arranged on the switch mechanism 120 to control the smoking equipment. In other implementable schemes, the switch mechanism can also be arranged on the shell of the fan.

[0064] Integrating the detection module into the switch mechanism 120 can save space and provide more space for the smoke collecting cover. In addition, the integrated processing also facilitates the subsequent upgrading of the product. By changing only the internal structure of the switch mechanism 120, the existing smoke collecting cover can be matched.

[0065] The smoke plate 200 is movably connected with the smoke collecting cover 100, so that the smoke plate 200 can be switched between the closed state and the fully open state relative to the smoke collecting cover 100; and during the switching between the closed state and the fully open state, the movement track of any point on the smoke plate 200 is completely located outside the detection coverage area of the detection module. In the embodiment, the smoke plate 200 is located behind the detection module, the detection module can emit detection light downward, and the detection coverage area is triangular when viewed from the side (left-right direction). When the smoke plate 200 is switched between the open and closed states, the movement track of any point on the smoke plate 200 will not pass through the detection coverage area, so as not to block and interfere with the detection coverage area.

[0066] Generally, the movement track of a point on the smoke plate 200 closest to the detection module is always provided with a gap relative to the detection coverage area, but in some cases, the movement track of the point on the smoke plate 200 closest to the detection module can be tangent to the edge of the detection coverage area. At the tangent point, the smoke plate 200 will not interfere with the detection coverage area, so it is considered that the smoke plate 200 is still located outside the detection coverage area in the tangential case.

[0067] Through the above design, the smoke plate 200 does not interfere with the irradiation range of the detection module during the opening and closing of the smoke plate 200. When the detection module is working, it can continuously collect data of the detection target, ensuring the continuity and accuracy of the work.

[0068] Specifically, as shown in Figure 1 , the side portion of the smoke collecting cover 100 is designed with a decorative panel 110, and the smoke plate 200 is designed in the lower area of the decorative panel 110. In the closed state of the smoke plate 200, the front end of the smoke plate 200 keeps flat with the front end of the decorative panel 110, and the smoke plate 200 rotates according to the angle of forward and upward during the opening and closing movement of the smoke plate 200. During the rotation of the smoke plate 200, the lowest point of the smoke plate 200 will not interfere with the irradiation of the detection module, as shown in Figure 7 .

[0069] The smoke plate 200 is connected with the smoke collecting cover 100 through a connecting rod assembly. The connecting rod assembly includes a first connecting rod 300 rotatably connected with the smoke collecting cover 100 and the smoke plate 200, and a second connecting rod 400 rotatably connected with the smoke collecting cover 100 and the smoke plate 200.

[0070] The number of the linkage assemblies is two, and the two linkage assemblies are symmetrically arranged at left and right sides of the smoke collecting hood 100 and connected together through a linkage rod to improve the stability of rotation. In addition, the first linkage 300 of one of the linkage assemblies is connected with the driving module 600, and the driving module 600 drives the first linkage 300 to rotate relative to the smoke collecting hood 100 to change the position of the smoke plate 200, and the smoke plate 200 drives the second linkage 400 to rotate relative to the smoke collecting hood 100, so that the two linkage assemblies can form a four-link mechanism to ensure that the movement track of the smoke plate 200 is unique. The two first linkages 300 are connected together through a linkage shaft 710 extending in the left-right direction, and the two first linkages 300 and the linkage shaft 710 have the same movement state, which reduces the number of the driving modules 600, and only one driving module 600 can drive the two linkage assemblies to move together.

[0071] The first linkage 300 includes a first rotating connection structure 310, a second rotating connection structure 320 and a third rotating connection structure 330, and the second rotating connection structure 320 is located between the first rotating connection structure 310 and the third rotating connection structure 330. The first rotating connection structure 310 is rotationally connected with the smoke plate 200; the second rotating connection structure 320 is rotationally connected with the fixed seat 900; and the third rotating connection structure 330 is rotationally connected with the telescopic driving rod. The second linkage 400 includes a fourth rotating connection structure 410 and a fifth rotating connection structure 420, the fourth rotating connection structure 410 is rotationally connected with the smoke plate 200, and the fifth rotating connection structure 420 is rotationally connected with the fixed seat 900. The first linkage 300 and the second linkage 400 are rotationally connected with the smoke collecting hood 100 through the fixed seat 900, and only structures rotationally connected with the first linkage 300 and the second linkage 400 are arranged on the fixed seat 900, so that the separate fixed seat 900 is convenient to process and avoids arranging two structures rotationally connected with the first linkage 300 and the second linkage 400 at different positions of the smoke collecting hood 100.

[0072] As Figure 3 - Figure 6 and Figure 12As shown, specifically, the fume hood 100 is provided with a support 500 on one side, and a driving module 600 (for example, an electric push rod) is connected to the support 500 through a pin. The second rotating connection structure 320 includes a first shaft hole, and the other end (the end of the telescopic rod) of the driving module 600 is hinged to the third rotating connection structure 330 of the first connecting rod 300. The first connecting rod 300 is fixed to the linkage shaft 710, and the end of the linkage shaft 710 is installed in the second shaft hole of the left and right fixed seat 900 after penetrating the first shaft hole of the first connecting rod 300. The fixed seat 900 includes a shaft bowl 930 and a pressing block 712, and both the shaft bowl 930 and the pressing block 712 have a half slot. When the shaft bowl 930 and the pressing block 712 are butted, the two half slots form the second shaft hole. The linkage shaft 710 can rotate around the fixed seat 900, and the telescopic movement of the driving module 600 pushes the first connecting rod 300 and the linkage shaft 710 to rotate relative to the fixed seat 900.

[0073] The side of the fixed seat 900 away from the first connecting rod 300 is provided with a rotating shaft 720. The fifth rotating connection structure 420 includes a third shaft hole, and the rotating shaft 720 is rotatably connected to the third shaft hole.

[0074] As shown, Figure 13 The rotating shaft 720 is locked to the second connecting rod 400 through a locking piece 724 to avoid separation of the second connecting rod 400 and the rotating shaft 720. The locking piece 724 can be a locking nut. The first connecting rod 300 and the second connecting rod 400 are respectively hinged to the fume plate 200, and the driving module 600 pushes the first connecting rod 300 to drive the fume plate 200 to perform a turnover movement.

[0075] The end of the linkage shaft 710 serves as a first rotating support point, and the rotating shaft 720 provided on the fixed seat 900 serves as a second rotating support point. In the left-right direction, the first rotating support point and the second rotating support point are projected toward the same vertical plane perpendicular to the left-right direction and are located on the same vertical straight line. The linkage shaft 710 and the rotating shaft 720 are both rotatably connected to the fixed seat 900. After the driving module 600 applies a force, the stress directions of the first rotating support point and the second rotating support point are the same, which can avoid deformation caused by the interaction force between the first rotating support point and the second rotating support point.

[0076] The first connecting rod 300 and the second connecting rod 400 respectively serve as two rotating arms. In the left-right direction of the fume hood 100, there is an anti-pinch gap between the first connecting rod 300 and the second connecting rod 400. The distance of the anti-pinch gap is greater than 20 mm or the width of a normal adult's finger, which can avoid shear force between the first connecting rod 300 and the second connecting rod 400 and accidental injury to the user during opening and closing.

[0077] As shown, Figure 6As shown, the first rotary connection structure 310 (front end) of the first connecting rod 300 is hinged on the smoke collecting plate 200, the hinging point can rotate, the second rotary connection structure 320 (middle end) of the first connecting rod 300 is connected with the linkage shaft 710 and fixed, and the third rotary connection structure 330 (rear end) of the first connecting rod 300 is connected with the driving module 600 and rotatable. The driving module 600 pushes the rear end, so that the first connecting rod 300 and the linkage shaft 710 rotate together relative to the fixed seat 900, so that the front end rotates, and the front end hinging point can be designed at the lower three-equal-point of the smoke collecting plate 200. The pushing force of the whole mechanism is designed on the first connecting rod 300, that is, the appropriate moment ratio is met, the switching of the two states of the smoke collecting plate 200 is realized, and the size of the first connecting rod 300 is not too long, which meets the space layout in the ultra-thin cavity.

[0078] The fourth rotary connection structure 410 of the second connecting rod 400 is hinged at the upper three-equal-point of the smoke collecting plate 200, which plays a role in limiting the rotation angle of the smoke collecting plate 200. By designing the two hinging point positions of the linkage shaft 710, the rotating shaft 720 and the smoke collecting plate 200, the design diagram point of the four connecting rods is determined, which is used to determine the motion trajectory of the four connecting rod mechanism. According to the matching of the trajectory line and the irradiation range of the detection module, the purpose of not interfering with the infrared detection of the smoke collecting plate 200 is achieved.

[0079] The smoking device further comprises a support 500, and the driving module 600 is rotationally connected with the smoke collecting cover 100 through the support 500. The support 500 comprises a first connecting part 510 and a second connecting part 520 arranged at an included angle. The first connecting part 510 and the second connecting part 520 are respectively connected with two faces of the smoke collecting cover 100 which are not coplanar.

[0080] As shown in Figure 8 The first connecting part 510 and the second connecting part 520 can form a 90° angle, that is, the support 500 is arranged in a right angle type. The support 500 can be fixedly connected with the back plate and the top plate of the smoke collecting cover 100. Meanwhile, the fixing hole positions are designed to be staggered, that is, among the fixing hole on the support 500 connected with the back plate and the fixing hole on the support 500 connected with the top plate, one is closer to the left side of the smoke collecting cover 100 and the other is closer to the right side of the smoke collecting cover 100. After the support 500 is fixed, it is more stable and the deformation caused by the movement force of the driving module 600 is reduced.

[0081] As shown in Figure 9As shown, the fume hood 100 is designed with a reinforcing plate 800, which can be fixed on the inner wall of the fume hood 100 by welding, and a fixing seat 900 is connected with the reinforcing plate 800, and the first connecting rod 300 and the second connecting rod 400 are both rotationally connected with the fume hood 100 through the fixing seat 900, and the reinforcing plate 800 is used to improve the connection stability of the fixing seat 900, so that when the first connecting rod 300 and the second connecting rod 400 are driven, they can move more smoothly and accurately, and the shaking is reduced.

[0082] The reinforcing plate 800 and the fixing seat 900 are connected through the first connecting structure and the second connecting structure arranged above and below, respectively, and the connection points are more and the connection strength is higher. Moreover, the first connecting structure and the second connecting structure are designed not to be collinear, that is, the first connecting structure can be closer to the left side of the fume hood 100, and the second connecting structure is closer to the right side of the fume hood 100, further improving the connection strength and avoiding deformation.

[0083] In one of the first connecting structure and the second connecting structure, a first through hole 810, a first threaded hole 910 and a first threaded part are included, the tail end of the first threaded part is screwed into the first threaded hole 910 after passing through the first through hole 810, one of the first through hole 810 and the first threaded hole 910 is arranged on the reinforcing plate 800, and the other is arranged on the fixing seat 900; in the other of the first connecting structure and the second connecting structure, a second through hole 920, a second threaded hole 820 and a second threaded part are included, the tail end of the second threaded part is screwed into the second threaded hole 820 after passing through the second through hole 920, one of the second through hole 920 and the second threaded hole 820 is arranged on the reinforcing plate 800, and the other is arranged on the fixing seat 900; and one of the first threaded hole 910 and the second threaded hole 820 is arranged on the reinforcing plate 800, and the other is arranged on the fixing seat 900.

[0084] In this embodiment, as shown in Figure 10 and Figure 12 The upper side of the reinforcing plate 800 is provided with a first through hole 810, and the upper side of the fixing seat 900 is provided with a first threaded hole 910, and the first threaded part is locked with the first threaded hole 910 after passing through the first through hole 810 from front to back. The lower side of the reinforcing plate 800 forms a flange (to reserve the space for the tail end of the second threaded part to move) through a bridge structure, the flange forms a second threaded hole 820, and the lower side of the fixing seat 900 at this position is provided with a second through hole 920, and the second threaded part is locked with the second threaded hole 820 after passing through the second through hole 920 from back to front. The locking directions of the first threaded part and the second threaded part at the upper and lower positions are opposite, which ensures that the fixing seat 900 assembly is more stable during installation.

[0085] As shown in Figure 6 and Figure 11As shown, the inner side of the fixed seat 900 is provided with the shaft bowl 930 connected with the linkage shaft 710, and the outer side is provided with the rotating shaft 720. The first connecting rod 300 is sleeved on both ends of the linkage shaft 710, then the copper sleeve 711 is installed at the end of the linkage shaft 710 and is placed in the shaft bowl 930, and the copper sleeve 711 is clamped by the pressing block 712 after the shaft bowl 930 is connected with the pressing block 712, so that the linkage shaft 710 can rotate in the shaft bowl 930.

[0086] As shown in the drawings, Figure 13 The second connecting rod 400 is installed on the rotating shaft 720, and the rotating shaft 720 includes coaxially arranged large and small cylinders. One end of the large cylinder is connected with the fixed seat 900, and the other end is connected with the small cylinder. The large cylinder is sleeved with the second connecting rod 400, and the second connecting rod 400 can rotate around the large cylinder. The small cylinder is provided with threads, and after the second connecting rod 400 is sleeved into the large cylinder, a flat washer 723 is arranged, and then the flat washer 723 is tightened with the small cylinder through the lock nut. The second connecting rod 400 is stopped by the combination of the flat washer 723 and the lock nut, so as to avoid the second connecting rod 400 jumping in the left and right directions, reduce the shaking gap of the second connecting rod 400, and the flat washer 723 can also play a role in protecting the second connecting rod 400, avoiding the abrasion of the second connecting rod 400 when rotating due to contacting the lock nut.

[0087] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A smoking apparatus, characterized by, The application relates to a smoke collecting hood (100), a detection module connected with the smoke collecting hood (100) or the shell of a fan, a smoke collecting plate (200) movably connected with the smoke collecting hood (100) to enable the smoke collecting plate (200) to switch between a closed state and a fully opened state, and the movement track of the smoke collecting plate (200) is completely located outside the detection coverage area of the detection module during the switching between the closed state and the fully opened state. The smoke collecting plate (200) and the smoke collecting hood (100) are connected through a connecting rod assembly; The connecting rod assembly comprises a first connecting rod (300) rotatably connected with the smoke collecting hood (100) and the smoke collecting plate (200) respectively, and a second connecting rod (400) rotatably connected with the smoke collecting hood (100) and the smoke collecting plate (200) respectively; In the left-right direction of the smoke collecting hood (100), there is an anti-pinch gap between the first connecting rod (300) and the second connecting rod (400).

2. A smoking apparatus according to claim 1, characterised in that, The smoke collecting device further comprises a driving module (600) movably connected with the smoke collecting hood (100), wherein the driving module (600) has a telescopic driving rod; The first connecting rod (300) comprises a first rotating connection structure (310), a second rotating connection structure (320) and a third rotating connection structure (330), and the second rotating connection structure (320) is located between the first rotating connection structure (310) and the third rotating connection structure (330); The first rotating connection structure (310) is rotatably connected with the smoke collecting plate (200), the second rotating connection structure (320) is rotatably connected with the smoke collecting hood (100), and the third rotating connection structure (330) is rotatably connected with the telescopic driving rod; 3. A smoking apparatus according to claim 2, characterised in that, The second connecting rod (400) comprises a fourth rotating connection structure (410) and a fifth rotating connection structure (420), the fourth rotating connection structure (410) is rotatably connected with the smoke collecting plate (200), and the fifth rotating connection structure (420) is rotatably connected with the smoke collecting hood (100). The smoke collecting hood (100) is fixedly connected with a fixed seat (900), the second rotating connection structure (320) and the fifth rotating connection structure (420) are both rotatably connected with the fixed seat (900), and the directions of the stresses applied by the second rotating connection structure (320) and the fifth rotating connection structure (420) to the fixed seat (900) are the same during the rotation of the smoke collecting plate (200). ​ ​ 4. A smoking apparatus according to claim 3, characterised in that, ​ 5. A smoking apparatus according to claim 4, characterised in that, The number of the linkage assemblies is at least two; the second rotating connection structure (320) comprises a first shaft hole; the first shaft hole of a first linkage (300) in each of the linkage assemblies is connected by a linkage shaft (710) so that each of the first linkages (300) and the linkage shaft (710) have the same motion state; the fixed seat (900) is provided with a second shaft hole, the linkage shaft (710) is located between two fixed seats (900) which are spaced left and right, and one end of the linkage shaft (710) is rotatably connected with the second shaft hole of one of the fixed seats (900), and the opposite end is rotatably connected with the second shaft hole of the other fixed seat (900); And / or, the fifth rotating connection structure (420) comprises a third shaft hole; the fixed seat (900) is provided with a rotating shaft (720), and the rotating shaft (720) is detachably connected with a locking piece (724); the rotating shaft (720) passes through the third shaft hole, and the second linkage (400) is located between the fixed seat (900) and the locking piece (724).

6. A smoking apparatus according to any one of claims 2 to 5, wherein The smoking device comprises a reinforcing plate (800) and a fixed seat (900), the reinforcing plate (800) is connected with the smoke collecting cover (100), and the fixed seat (900) is connected with the reinforcing plate (800); the first linkage (300) and the second linkage (400) are rotatably connected with the smoke collecting cover (100) through the fixed seat (900).

7. A smoking apparatus according to claim 6, characterised in that, The reinforcing plate (800) and the fixed seat (900) are connected by a first connecting structure and a second connecting structure arranged above and below, respectively.

8. A smoking apparatus according to claim 7, characterised in that, One of the first connecting structure and the second connecting structure comprises a first through hole (810), a first screw hole (910) and a first screw, the tail end of the first screw passes through the first through hole (810) and is threadedly connected with the first screw hole (910), one of the first through hole (810) and the first screw hole (910) is arranged on the reinforcing plate (800), and the other is arranged on the fixed seat (900); The other of the first connecting structure and the second connecting structure comprises a second through hole (920), a second screw hole (820) and a second screw, the tail end of the second screw passes through the second through hole (920) and is threadedly connected with the second screw hole (820), one of the second through hole (920) and the second screw hole (820) is arranged on the reinforcing plate (800), and the other is arranged on the fixed seat (900); And one of the first screw hole (910) and the second screw hole (820) is arranged on the reinforcing plate (800), and the other is arranged on the fixed seat (900).

9. A smoking apparatus according to claim 4 or 5, characterised in that, The smoking device further comprises a support (500), and the driving module (600) is rotatably connected with the smoke collecting cover (100) through the support (500); The support (500) comprises a first connecting part (510) and a second connecting part (520) arranged at an angle, and the first connecting part (510) and the second connecting part (520) are connected with two faces on the smoke hood (100) which are not coplanar.

10. A smoking apparatus according to any one of claims 1 to 5, wherein The smoking device further comprises a switch mechanism (120) for controlling the fan of the smoking device. The switch mechanism (120) is arranged on the outer shell of the smoke hood (100) or the fan. The detection module is arranged inside the switch mechanism (120), and a light transmission hole for the detection module to emit detection light is arranged on the outer wall of the switch mechanism (120).

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