Range hood

Abstract

The invention relates to the technical field of household appliances, and discloses a range hood which comprises a range hood body. The range hood main body is connected with the air cabinet assembly through a smoke exhaust pipe; the smoke exhaust pipe is respectively connected with the range hood main body and the air cabinet assembly through the sealing connection structures; the sealing connection structure comprises a connector fixed to the smoke exhaust pipe and a connector fixing piece fixed to the range hood body or the air cabinet assembly, and the connector and the connector fixing piece are detachably connected in a sealed mode. Through the arrangement of the sealing connection structure, the phenomena of oil smoke leakage, oil stain dripping and the like at the connecting part of the smoke exhaust pipe, the air cabinet assembly and the range hood main body are greatly reduced, and the sealing connection structure adopts a detachable sealing connection mode of the connecting joint and the joint fixing piece, so that the part universality is higher, the structure is simple, and the practicability is high. And the smoke exhaust pipe is convenient to maintain and replace in the later period, or the air outlet direction of the air cabinet assembly is convenient to adjust.

Description

Technical Field

[0001] The present invention relates to the technical field of household electrical appliances, and in particular to a range hood. Background Art

[0002] Traditional integrated range hoods usually install the fan system inside the range hood body. Therefore, when the smoke is sucked and exhausted and encounters large resistance from the common flue, the exhaust effect is poor and there will be a problem of loud noise. In addition, the exhaust pipe needs to be bent during installation, which increases the resistance to suction and exhaust, reducing the suction and exhaust performance of the range hood. Therefore, technicians in this field have developed a split range hood, which separates the wind cabinet and the fan system therein from the range hood body and connects them through an exhaust pipe. The fan system is far away from the cooking area, its noise is reduced, and the problem of bending the exhaust pipe is avoided. However, existing split range hoods have problems such as poor sealing of the exhaust pipe, the wind cabinet assembly, and the range hood body, and inconvenient assembly and disassembly. Summary of the invention

[0003] In view of this, the present invention provides a range hood to solve the problems of poor sealing condition of the connection between the smoke exhaust pipe, the wind cabinet component and the range hood body and inconvenient assembly and disassembly in the split range hood in the prior art.

[0004] The present invention provides a range hood, comprising:

[0005] The range hood body has an air inlet;

[0006] The wind cabinet component has an air outlet, and the outlet end of the range hood body is connected to the inlet end of the wind cabinet component through a smoke exhaust pipe;

[0007] A sealed connection structure, wherein the smoke exhaust pipe is connected to the range hood body and the wind cabinet assembly respectively through the sealed connection structure; the sealed connection structure comprises a connecting joint and a joint fixing part, the connecting joint is fixed on the smoke exhaust pipe, the joint fixing part is fixed on the range hood body or the wind cabinet assembly, and the connecting joint and the joint fixing part are detachably sealed and connected.

[0008] Beneficial effects: The smoke exhaust pipe and the range hood main body, as well as the smoke exhaust pipe and the wind cabinet assembly are respectively connected by a sealing structure, the sealing connection structure includes a connecting joint fixed on the smoke exhaust pipe, and a joint fixing fixed on the range hood main body or the wind cabinet assembly, the connecting joint and the joint fixing are detachably sealed and connected, which greatly reduces the occurrence of oil smoke leakage, oil dripping and the like at the connection parts of the smoke exhaust pipe, the wind cabinet assembly and the range hood main body, so that the connection sealing effect between the smoke exhaust pipe, the wind cabinet assembly and the range hood main body is good, and the performance of the range hood is ensured. In addition, the sealing connection structure realizes the sealing between the smoke exhaust pipe and the range hood main body or the wind cabinet assembly by adopting the form of detachable sealing connection between the connecting joint and the joint fixing. The parts are more universal and the structure is simple, which is easy to disassemble, and it is convenient for later maintenance and replacement of the smoke exhaust pipe, or adjustment of the air outlet direction of the wind cabinet assembly.

[0009] In an optional embodiment, the sealing connection structure includes:

[0010] The first sealing connection structure is used to connect the smoke exhaust pipe with the smoke exhaust pipe;

[0011] A second sealing connection structure is used to connect the smoke exhaust pipe and the wind cabinet assembly, and the first sealing connection structure and the second sealing connection structure both include a connection joint and a joint fixing member;

[0012] The connecting joint and the joint fixing piece are connected and fixed by means of screws and / or clamping.

[0013] Beneficial effect: One end of the smoke exhaust pipe is connected and fixed to the air outlet end of the range hood main body through a first sealing connection structure, and the other end is connected and fixed to the air inlet end of the wind cabinet assembly through a second sealing connection structure, thereby realizing the sealing and fixation of the connection parts between the smoke exhaust pipe and the range hood main body and the wind cabinet assembly, and the connecting joint and the joint fixing part are connected and fixed by screws and / or clamping, and the connection structure is simple and convenient for disassembly and assembly.

[0014] In an optional embodiment, the connecting joint and the joint fixing piece are both annular structures, and one side of the connecting joint and the joint fixing piece is fixed by clamping, and the other side is fixed by screw connection.

[0015] Beneficial effect: The connecting joint and the joint fixing are both arranged as an annular structure, which is convenient for docking with the tubular smoke exhaust pipe. One side of the connecting joint and the joint fixing is first pre-positioned by means of snap connection, and then the other side is fixed by means of screw connection. Not only is the assembly efficiency higher, but it can also effectively ensure the reliability and stability of the connection between the connecting joint and the joint fixing, and it is not easy to separate. Moreover, the connecting joint and the joint fixing are fixed by means of snaps and bolts, so that the two are more compactly matched, and the sealing effect is good and durable, thereby effectively ensuring the sealing and fixing effect between the smoke exhaust pipe and the fan assembly and the smoke machine body.

[0016] In an optional embodiment, a clamping portion is provided on one side of the connection joint, and a screw connection portion is provided on the other side;

[0017] A clamping matching portion is provided on one side of the joint fixing piece corresponding to the clamping portion, and a screw matching portion is provided on the other side corresponding to the screw connecting portion;

[0018] The air outlet is arranged on the side of the wind cabinet component, and connecting joints are respectively arranged at both ends of the smoke exhaust pipe, and the clamping parts and screw connecting parts of the connecting joints at both ends of the smoke exhaust pipe are in opposite positions.

[0019] Beneficial effect: during assembly, the clamping part is first clamped with the clamping matching part to form a preliminary positioning, so that the screw connection part and the screw matching part can be quickly and accurately docked, and then the screw connection part and the screw matching part are connected by bolts, so that the assembly efficiency is higher and the installation is more convenient and quick. In addition, by making the clamping part and the screw connection part of the connecting joint at both ends of the exhaust pipe opposite, the problem of common parts can be solved. In order to ensure the use effect of the split range hood, the wind cabinet assembly is generally placed in a higher and hidden position such as the ceiling or storage cabinet in the kitchen, and it is inconvenient to disassemble. Therefore, the position of the air outlet of the wind cabinet assembly should also consider whether it is convenient to punch holes. The wind cabinet assembly can be set to the left or right side according to the actual installation environment. By making the positions of the clamping parts and the screw connection parts at both ends of the exhaust pipe opposite, when the joint fixing parts in the first sealing connection structure and the second sealing connection structure are consistent, the air outlet position of the wind cabinet assembly can be swapped left and right by swapping the exhaust pipe up and down and rotating the joint fixing parts on the range hood body by 180 degrees, thereby solving the problem of common parts in actual installation.

[0020] In an optional embodiment, one of the snap-fitting portion and the snap-fitting portion is a buckle, and the other is a slot; and / or, the screw connecting portion and the screw fitting portion include correspondingly arranged screw holes.

[0021] Beneficial effects: the snap-fitting part and the snap-fitting matching part adopt the form of snap buckles and slots, and the screw connecting part and the screw matching part adopt the form of screw holes, so the structure is simple and convenient for processing and forming.

[0022] In an optional embodiment, an annular mounting groove is formed on the inner circumference of the joint fixing member;

[0023] An annular boss is arranged at one end of the connecting joint connected to the joint fixing piece. The annular boss is embedded in the annular mounting groove and has an interference fit with the annular mounting groove.

[0024] Beneficial effect: By interference fitting the annular boss of the connecting joint into the annular mounting groove of the joint fixing, the fitting clearance between the connecting joint and the joint fixing can form a good seal, so that the oil smoke inhaled through the air inlet can enter the wind cabinet assembly along the smoke exhaust pipe and be discharged from the air outlet, avoiding the phenomenon of oil smoke leakage at the connection part between the smoke exhaust pipe, the wind cabinet assembly and the range hood body, and further improving the sealing effect between the smoke exhaust pipe, the range hood body and the wind cabinet assembly.

[0025] In an optional embodiment, a buckle is provided on one side of the connecting joint, and there are multiple groups of buckles, and the multiple groups of buckles are spaced apart and arranged on the outer wall of the annular boss;

[0026] The inner circumference of the annular installation groove is provided with a plurality of sets of card slots correspondingly, and the plurality of sets of buckles are plugged and matched in the plurality of sets of card slots one by one;

[0027] A connecting ear is provided on the other side of the connecting joint, and a first screw hole is provided on the connecting ear. The connecting joint comprises an annular main body and an annular boss arranged in a stepped shape;

[0028] There are a plurality of connecting ears, which are arranged at intervals on the outer wall of the annular body. When the annular boss is embedded in the annular mounting groove, the connecting ears overlap the joint fixing member.

[0029] A second screw hole is arranged on the joint fixing piece corresponding to the first screw hole, and the first screw hole and the second screw hole are connected by screws.

[0030] Beneficial effect: By setting the buckle on the outer wall of the annular boss and the groove on the inner wall of the annular mounting groove, it is not only convenient for assembly, but the buckle can also be hidden in the joint fixing part after matching with the groove, which is more beautiful. In addition, by setting multiple groups of buckles and grooves at intervals, and multiple first screw holes and second screw holes, the stability and reliability of the fixing of the connecting joint and the joint fixing part can be further improved.

[0031] In an optional embodiment, the sealed connection structure further includes:

[0032] A first sealing gasket, an annular sealing groove is respectively arranged at the outlet end of the range hood body and the inlet end of the wind cabinet assembly, and the first sealing gasket is arranged in the annular sealing groove.

[0033] Beneficial effect: By arranging the first sealing gasket at the outlet end of the range hood main body and the inlet end of the wind cabinet assembly, after the joint fixing is installed on the range hood main body and the wind cabinet assembly, the first sealing gasket can be pressed tightly in the annular sealing groove, thereby effectively ensuring the sealing effect between the joint fixing and the range hood main body and the wind cabinet assembly.

[0034] In an optional embodiment, the joint fixing member has a frame-shaped body, and the frame-shaped body matches the outlet end of the range hood body or the inlet end of the wind cabinet assembly;

[0035] The frame-shaped body is provided with a plurality of first mounting holes at intervals along the circumferential direction, and the outlet end of the range hood body or the inlet end of the wind cabinet assembly is provided with a plurality of second mounting holes at intervals along the circumferential direction. The plurality of first mounting holes and the plurality of second mounting holes are connected and fixed by a plurality of bolts.

[0036] Beneficial effect: By arranging a plurality of first mounting holes at circumferential intervals on the joint fixing member, and correspondingly arranging a plurality of second mounting holes on the range hood main body and the wind cabinet assembly, and sequentially connecting the plurality of first mounting holes and the second mounting holes using a plurality of bolts, a stable connection between the joint fixing member and the range hood main body and the wind cabinet assembly can be achieved, making disassembly and assembly convenient.

[0037] In an optional embodiment, the connecting joint has an annular body, and an annular connecting groove is provided on one end face of the annular body close to the smoke exhaust pipe. The circumferential edge of the end of the smoke exhaust pipe is inserted into the annular connecting groove and fixed by gluing.

[0038] Beneficial effect: By setting an annular connecting groove on the end face of the connecting joint close to the smoke exhaust pipe, the circumferential edge of the end of the smoke exhaust pipe is inserted into the annular connecting groove, so that a "J"-shaped sealing effect is formed between the annular connecting groove and the smoke exhaust pipe, which effectively blocks the airflow from overflowing, and the annular connecting groove is also convenient for glue filling, so that a more stable and reliable connection is formed between the smoke exhaust pipe and the connecting joint, and the sealing effect can also be further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0040] Figure 1 is a front view of a range hood according to an embodiment of the present invention;

[0041] Figure 2 is a cross-sectional view of a range hood according to an embodiment of the present invention;

[0042] Figure 3 for Figure 2 A magnified view of the structure at center;

[0043] Figure 4 It is a schematic diagram of the structure after the smoke exhaust pipe and the connecting joint are assembled in an embodiment of the present invention;

[0044] Figure 5 It is a schematic diagram of the structure after the connecting joint and the joint fixing member are assembled in an embodiment of the present invention;

[0045] Figure 6 This is a schematic diagram of the structure of a connecting joint in an embodiment of the present invention;

[0046] Figure 7 A schematic structural diagram of a joint fixing member from one perspective in an embodiment of the present invention;

[0047] Figure 8 for Figure 7 A top view of

[0048] Fig. 9 A schematic structural diagram of a joint fixing member in another perspective in an embodiment of the present invention;

[0049] Fig.10It is a structural schematic diagram of the wind cabinet main body in an embodiment of the present invention;

[0050] Fig.11 for Fig.10 A top view of

[0051] Fig.12 is a schematic structural diagram of a first sealing gasket in an embodiment of the present invention;

[0052] Fig.13 is an axonometric cross-sectional view of a range hood according to an embodiment of the present invention;

[0053] Fig.14 for Fig.13 Enlarged view of the structure at point B in the middle.

[0054] Description of reference numerals:

[0055] 10. Range hood body; 100. Air inlet;

[0056] 20. Wind cabinet assembly; 200. Air outlet; 21. Wind cabinet body; 211. Annular sealing groove; 212. Second mounting hole;

[0057] 30. Smoke exhaust pipe;

[0058] 40. Sealed connection structure; 401. First sealed connection structure; 402. Second sealed connection structure;

[0059] 41, connecting joint; 410, annular connecting groove; 411, clamping portion; 412, screw connecting portion; 4121, connecting ear; 4122, first screw hole; 413, annular boss;

[0060] 42. Joint fixing member; 420. First mounting hole; 421. Card-fitting part; 422. Screw fitting part; 423. Annular mounting groove;

[0061] 43. first sealing pad; 430. through-hole;

[0062] 50. Display board. DETAILED DESCRIPTION

[0063] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0064] Traditional integrated range hoods install the fan system inside the main body of the range hood. Therefore, when the smoke is sucked and exhausted and encounters large resistance in the public flue, the exhaust effect is poor and there will be a problem of loud noise. In addition, the exhaust pipe needs to be bent during installation, which increases the suction and exhaust resistance and reduces the suction and exhaust performance of the range hood. The split range hood separates the wind cabinet and the fan system therein from the main body of the range hood and connects them through a corrugated exhaust pipe. The fan system is far away from the cooking area, its noise is reduced, and the problem of exhaust pipe bending is avoided.

[0065] However, the sealing problem of the smoke exhaust pipe connecting the split range hood fume cabinet and the range hood body has a great influence on the noise, air volume, etc. of the split range hood. In the related art, the smoke exhaust pipe is directly connected and fixed to the range hood fume cabinet and the range hood body by gluing and bonding, which is not only inconvenient to disassemble and assemble, but also not conducive to replacing and maintaining the smoke exhaust pipe or adjusting the air outlet direction of the fume cabinet assembly, and is also prone to aging and failure, resulting in oil fume leakage, oil dripping, etc. at the connection parts between the smoke exhaust pipe, the fume cabinet assembly and the range hood body. Therefore, in order to overcome the problems of poor sealing condition and inconvenient disassembly and assembly between the split range hood fume cabinet and the bellows, the present embodiment is specially proposed.

[0066] Combine the following Figures 1 to 14 , describing an embodiment of the present invention.

[0067] According to an embodiment of the present invention, the present invention provides a range hood, comprising a range hood main body 10, a wind cabinet assembly 20, a sealing connection structure 40, and a smoke exhaust pipe 30, wherein the range hood main body 10 has an air inlet 100; the wind cabinet assembly 20 has an air outlet 200, and the outlet end of the range hood main body 10 is connected to the inlet end of the wind cabinet assembly 20 through the smoke exhaust pipe 30; the smoke exhaust pipe 30 is connected to the range hood main body 10 and the wind cabinet assembly 20 respectively through the sealing connection structure 40, and the sealing connection structure 40 includes a connecting joint 41 and a joint fixing member 42, the connecting joint 41 is fixed on the smoke exhaust pipe 30, and the joint fixing member 42 is fixed on the range hood main body 10 or the wind cabinet assembly 20, and the connecting joint 41 and the joint fixing member 42 are detachably sealed and connected.

[0068] In the above embodiment, the smoke exhaust pipe 30 and the range hood body 10, as well as the smoke exhaust pipe 30 and the wind cabinet assembly 20 are respectively connected by a sealing connection structure 40, and the sealing connection structure 40 includes a connecting joint 41 fixed on the smoke exhaust pipe 30, and a joint fixing member 42 fixed on the range hood body 10 or the wind cabinet assembly 20. The connecting joint 41 and the joint fixing member 42 are detachably sealed and connected, which greatly reduces the occurrence of oil smoke leakage and oil stain dripping at the connection parts of the smoke exhaust pipe 30, the wind cabinet assembly 20 and the range hood body 10, so that the connection sealing effect of the smoke exhaust pipe 30, the wind cabinet assembly 20 and the range hood body 10 is good, and the performance of the range hood is guaranteed. In addition, the sealing connection structure 40 realizes the sealing between the smoke exhaust pipe 30 and the range hood body 10 or the wind cabinet assembly 20 by adopting the form of detachable sealing connection between the connecting joint 41 and the joint fixing member 42. The parts have higher versatility and a simple structure, which is easy to disassemble, and convenient for later maintenance and replacement of the smoke exhaust pipe 30, or adjustment of the air outlet direction of the wind cabinet assembly 20.

[0069] Specifically, the joint fixing part 42 is detachably connected to the range hood body 10 and the wind cabinet assembly 20, which is convenient for disassembly and assembly. The smoke exhaust pipe 30 adopts a corrugated pipe, which has certain elasticity and scalability, and is more convenient for wiring. Of course, in other alternative embodiments, the smoke exhaust pipe 30 can also adopt other hoses. The air inlet 100 is arranged at the bottom of the range hood body 10, and the range hood body 10 is also provided with a display panel 50, and the display panel 50 is provided with function touch keys for users to select, and the display panel 50 can display the operating status of the range hood. The wind cabinet assembly 20 includes a wind cabinet body 21 and a fan system arranged in the wind cabinet body 21, and the air outlet 200 is connected to the external smoke exhaust pipe 30.

[0070] Preferably, the connecting joint 41 and the joint fixing member 42 are both plastic parts, which are low in cost and convenient for connection and fixing.

[0071] In some embodiments, the sealing connection structure 40 includes a first sealing connection structure 401 and a second sealing connection structure 402. The first sealing connection structure 401 is used to connect the range hood body 10 and the smoke exhaust pipe 30; the second sealing connection structure 402 is used to connect the smoke exhaust pipe 30 and the wind cabinet assembly 20. The first sealing connection structure 401 and the second sealing connection structure 402 both include a connecting joint 41 and a joint fixing member 42; the connecting joint 41 and the joint fixing member 42 are connected and fixed by screws and / or clamping.

[0072] In the above embodiment, one end of the smoke exhaust pipe 30 is connected and fixed to the air outlet end of the range hood body 10 through the first sealing connection structure 401, and the other end is connected and fixed to the air inlet end of the wind cabinet assembly 20 through the second sealing connection structure 402, so as to realize the sealing and fixation of the connection parts between the smoke exhaust pipe 30 and the range hood body 10 and the wind cabinet assembly 20, and the connecting joint 41 and the joint fixing part 42 are connected and fixed by screws and / or clamping, and the connection structure is simple, which is convenient for disassembly and assembly.

[0073] Preferably, the connecting joint 41 and the joint fixing part 42 are connected and fixed by means of screws and clamping, and the connecting joint 41 and the joint fixing part 42 are fastened together in a double manner, so that the connection is more firm and stable, and the probability of oil smoke leakage, oil dripping and the like at the connection parts of the wind cabinet assembly 20, the smoke exhaust pipe 30 and the range hood body 10 is greatly reduced.

[0074] In some embodiments, the connection joint 41 and the joint fixing member 42 are both annular structures, and one side of the connection joint 41 and the joint fixing member 42 is clamped and fixed, and the other side is fixed by screws.

[0075] In the above embodiment, the connecting joint 41 and the joint fixing part 42 are both arranged as an annular structure, which is convenient for docking with the tubular smoke exhaust pipe 30. One side of the connecting joint 41 and the joint fixing part 42 is first pre-positioned by means of snap connection, and then the other side is fixed by means of screw connection. This not only improves the assembly efficiency, but also effectively ensures the reliability and stability of the connection between the connecting joint 41 and the joint fixing part 42, and it is not easy to separate. Moreover, the connecting joint 41 and the joint fixing part 42 are fixed by means of snaps and bolts, so that the two are more compactly matched, and the sealing effect is good and durable, thereby effectively ensuring the sealing and fixing effect between the smoke exhaust pipe 30 and the fan assembly and the smoke machine body 10.

[0076] Of course, in other alternative embodiments, the connection joint 41 and the joint fixing member 42 can be fixed by clamping on one side, and the other sides are fixed by bolts, and this embodiment does not limit this. It is sufficient to ensure that at least the other side opposite to the clamping connection side of the connection joint 41 and the joint fixing member 42 is fixed by screws to ensure the fixing effect of the connection joint 41 and the joint fixing member 42.

[0077] During assembly, the two ends of the smoke exhaust pipe 30 are respectively assembled and fixed with the connecting joints 41. The assembled smoke exhaust pipe 30 and the connecting joints 41 at both ends are assembled into a component. The joint fixings 42 are respectively assembled and fixed to the inlet end of the wind cabinet component 20 and the outlet end of the range hood body 10. Then, the assembled smoke exhaust pipe 30 and the connecting joint component are respectively connected and fixed to the joint fixings 42 on the wind cabinet component 20 and the range hood body 10, thereby realizing the assembly and fixation between the smoke exhaust pipe 30, the wind cabinet component 20 and the range hood body 10.

[0078] In some embodiments, a clamping portion 411 is provided on one side of the connecting joint 41, and a screw connecting portion 412 is provided on the other side; a clamping fitting portion 421 is provided on one side of the joint fixing member 42 corresponding to the clamping portion 411, and a screw fitting portion 422 is provided on the other side corresponding to the screw connecting portion 412; the air outlet 200 is provided on the side of the wind cabinet assembly 20, and connecting joints 41 are respectively provided at both ends of the smoke exhaust pipe 30, and the clamping portion 411 and the screw connecting portion 412 of the connecting joint 41 at both ends of the smoke exhaust pipe 30 are in opposite positions.

[0079] In the above embodiment, during assembly, the snap-fitting portion 411 is first snap-fitted with the snap-fitting portion 421 to form a preliminary positioning, so that the screw connecting portion 412 and the screw fitting portion 422 can be quickly and accurately docked, and then the screw connecting portion 412 and the screw fitting portion 422 are connected by bolts, which improves the assembly efficiency and makes the installation more convenient and quick. In addition, by reversing the positions of the clamping parts 411 and the screw connecting parts 412 of the connecting joints 41 at both ends of the smoke exhaust pipe 30, the problem of parts commonality can be solved. In order to ensure the use effect of the split range hood, the wind cabinet assembly 20 is generally placed in a higher and hidden position such as the ceiling or storage cabinet in the kitchen, and it is inconvenient to disassemble. Therefore, the position of the air outlet 200 of the wind cabinet assembly 20 should also consider whether it is convenient to punch a hole. The wind cabinet assembly 20 can be set to the left side or the right side according to the actual installation environment. By reversing the positions of the clamping parts 411 and the screw connecting parts 412 at both ends of the smoke exhaust pipe 30, when the joint fixing parts 42 in the first sealing connection structure 401 and the second sealing connection structure 402 are consistent, the position of the air outlet 200 of the wind cabinet assembly 20 can be swapped left and right by swapping the smoke exhaust pipe 30 up and down and rotating the joint fixing parts 42 on the range hood body 10 by 180°, thereby solving the problem of parts commonality in actual installation.

[0080] For example, in combination Figures 1 to 3 As shown, the wind cabinet assembly 20 is for right-side air outlet, the clamping part 411 of the connecting joint 41 at the upper end of the smoke exhaust pipe 30 is arranged on the right side, and the screw connecting part 412 is arranged on the left side, then the clamping part 411 of the connecting joint 41 at the lower end of the smoke exhaust pipe 30 is arranged on the left side, and the screw connecting part 412 is arranged on the right side. When the air outlet 200 position of the wind cabinet assembly 20 is desired to be adjusted to the left side for air outlet, the wind cabinet assembly 20 can be adjusted left or right. At this time, it is only necessary to swap the smoke exhaust pipe 30 up and down, and swap the joint fixing part 42 on the range hood body 10 left or right to meet the requirement of left-side air outlet, and the parts are more versatile.

[0081] In this embodiment, the sealing connection structure 40 can effectively ensure the commonality of parts by adopting the structural form of two parts, namely, the connection joint 41 and the joint fixing part 42. Compared with the existing connection method using one component, the connection between the exhaust pipe 30 and the wind cabinet assembly 20 and the smoke machine body 10 is generally completed by bolt connection in the case of one component, which cannot ensure the sealing of the gap between the components. The present application sets two parts, namely, the connection joint 41 and the joint fixing part 42, which are connected by buckle and bolt, which can effectively ensure the sealing and fixation of the structure. Therefore, it is necessary for the sealing connection structure 40 to use two parts instead of one part.

[0082] In some embodiments, one of the snap-fitting portion 411 and the snap-fitting portion 421 is a buckle, and the other is a slot; the screw connection portion 412 and the screw fitting portion 422 include correspondingly arranged screw holes.

[0083] In the above embodiment, the snap-fitting portion 411 and the snap-fitting portion 421 adopt snap buckles and slots, and the screw connection portion 412 and the screw fitting portion 422 adopt screw holes, so the structure is simple and convenient for processing and forming.

[0084] Optionally, the snap-fitting portion 411 adopts a snap-fitting portion and the snap-fitting mating portion 421 adopts a slot. During assembly, the snap-fitting portion on one side of the connecting joint 41 of the smoke exhaust pipe 30 is first inserted into the slot of the range hood body 10 or the wind cabinet assembly 20, and then locked and fixed by bolts.

[0085] In some embodiments, Figure 3 , Figure 7 , Fig.13 , Fig.14 As shown, an annular mounting groove 423 is formed on the inner circumference of the joint fixing member 42; an annular boss 413 is provided at one end of the connecting joint 41 connected to the joint fixing member 42, and the annular boss 413 is embedded in the annular mounting groove 423 and has an interference fit with the annular mounting groove 423.

[0086] In the above embodiment, by interference fitting the annular boss 413 of the connecting joint 41 into the annular mounting groove 423 of the joint fixing member 42, a good seal can be formed between the fitting clearance of the connecting joint 41 and the joint fixing member 42, so that the oil smoke inhaled through the air inlet 100 can all enter the wind cabinet assembly 20 along the smoke exhaust pipe 30 and be discharged from the air outlet 200, thereby avoiding the oil smoke leakage at the connection part between the smoke exhaust pipe 30, the wind cabinet assembly 20 and the range hood body 10, and further improving the sealing effect between the smoke exhaust pipe 30, the range hood body 10 and the wind cabinet assembly 20.

[0087] Preferably, a second sealing gasket is provided in the annular mounting groove 423. The second sealing gasket is an annular rubber gasket, which is embedded in the annular mounting groove 423. When the connecting joint 41 and the joint fixing member 42 are fixed, the second sealing gasket is clamped between the two to form a seal, thereby further improving the sealing effect of the connecting joint 41 and the joint fixing member 42.

[0088] In some embodiments, a snap is provided on one side of the connecting joint 41, and there are multiple groups of snaps, which are spaced apart on the outer wall of the annular boss 413; multiple groups of slots are correspondingly provided on the inner circumference of the annular mounting groove 423, and the multiple groups of snaps are plugged into the multiple groups of slots one by one; a connecting ear 4121 is provided on the other side of the connecting joint 41, and a first screw hole 4122 is provided on the connecting ear 4121, and the connecting joint 41 includes an annular body and an annular boss 413 arranged in a stepped shape; there are multiple connecting ears 4121, and the multiple connecting ears 4121 are spaced apart on the outer wall of the annular body, and when the annular boss 413 is embedded in the annular mounting groove 423, the connecting ears 4121 overlap the joint fixing member 42; a second screw hole is provided on the joint fixing member 42 corresponding to the first screw hole 4122, and the first screw hole 4122 and the second screw hole are connected by screws.

[0089] In the above embodiment, by setting the buckle on the outer wall of the annular boss 413 and the groove on the inner wall of the annular mounting groove 423, not only is it convenient to assemble, but the buckle can also be hidden in the joint fixing member 42 after being matched with the groove, which is more beautiful. In addition, by setting multiple groups of buckles and grooves at intervals, and multiple first screw holes 4122 and second screw holes, the stability and reliability of the fixing of the connecting joint 41 and the joint fixing member 42 can be further improved.

[0090] Specifically, multiple groups of buckles are arranged at intervals on the outer wall of one side of the annular boss 413, and each group of buckles includes two U-shaped buckles arranged at intervals. The buckles are not easy to be scratched and damaged by other parts by adopting a U-shaped design, and both ends of the U-shaped buckles are fixed on the annular boss 413. Compared with the L-shaped buckles, the structural stability is higher. Each group of card slots includes two card holes arranged at intervals, and the two U-shaped buckles are correspondingly inserted into the two card holes. Each group of buckles and card slots adopts the structural form of two U-shaped buckles and two card holes arranged at intervals, which can further improve the positioning effect of the connecting joint 41 and the joint fixing member 42.

[0091] Furthermore, the connecting joint 41 is a frame-type structure, and the connecting joint 41 has two first long frames and two first short frames arranged opposite to each other. Multiple groups of snaps are arranged at intervals on a first long frame of the connecting joint 41, and multiple connecting ears 4121 are arranged at intervals on the other first long frame of the connecting joint 41, and each connecting ear 4121 is provided with a first screw hole 4122.

[0092] Preferably, there are three groups of buckles, and three groups of slots are correspondingly provided. There are three connecting ears 4121, and there are three first screw holes 4122 and three second screw holes.

[0093] In some embodiments, in combination Figures 1 to 3 , Figures 10 to 12 As shown, the sealing connection structure 40 further includes a first sealing gasket 43 , and an annular sealing groove 211 is respectively provided at the outlet end of the range hood body 10 and the inlet end of the wind cabinet assembly 20 , and the first sealing gasket 43 is disposed in the annular sealing groove 211 .

[0094] In the above embodiment, by providing a first sealing gasket 43 at the outlet end of the range hood body 10 and the inlet end of the wind cabinet assembly 20, after the joint fixing member 42 is installed on the range hood body 10 and the wind cabinet assembly 20, the first sealing gasket 43 can be pressed tightly in the annular sealing groove 211, thereby effectively ensuring the sealing effect between the joint fixing member 42 and the range hood body 10 and the wind cabinet assembly 20.

[0095] In some embodiments, the joint fixing member 42 has a frame-shaped main body, which matches the outlet end of the range hood main body 10 or the inlet end of the wind cabinet assembly 20; the frame-shaped main body is provided with a plurality of first mounting holes 420 at intervals along the circumferential direction, and the outlet end of the range hood main body 10 or the inlet end of the wind cabinet assembly 20 is provided with a plurality of second mounting holes 212 at intervals along the circumferential direction, and the plurality of first mounting holes 420 and the plurality of second mounting holes 212 are connected and fixed by a plurality of bolts.

[0096] In the above embodiment, by providing a plurality of first mounting holes 420 circumferentially spaced apart on the joint fixing member 42, and providing a plurality of second mounting holes 212 correspondingly provided on the range hood body 10 and the wind cabinet assembly 20, a plurality of first mounting holes 420 and second mounting holes 212 are sequentially connected by a plurality of bolts, so that a stable connection between the joint fixing member 42 and the range hood body 10 and the wind cabinet assembly 20 can be achieved, and disassembly and assembly are facilitated.

[0097] Optionally, combined Figure 2 , Figure 3 , Figures 10 to 12 As shown, the first sealing gasket 43 is provided with through holes 430 at positions corresponding to the first mounting hole 420 and the second mounting hole 212 , and the through holes 430 are provided for bolts for connecting the joint fixing member 42 with the range hood body 10 and the wind cabinet assembly 20 to pass through.

[0098] In some embodiments, the connection joint 41 has an annular body, and an annular connection groove 410 is provided on one end surface of the annular body close to the smoke exhaust pipe 30. The circumferential edge of the end of the smoke exhaust pipe 30 is inserted into the annular connection groove 410 and fixed with glue.

[0099] In the above embodiment, an annular connecting groove 410 is provided on the end face of one side of the connecting joint 41 close to the smoke exhaust pipe 30, and the circumferential edge of the end of the smoke exhaust pipe 30 is inserted into the annular connecting groove 410, so that a "J"-shaped sealing effect is formed between the annular connecting groove 410 and the smoke exhaust pipe 30, which effectively blocks the airflow from overflowing, and the annular connecting groove 410 is also provided to facilitate glue filling, so that a more stable and reliable connection is formed between the smoke exhaust pipe 30 and the connecting joint 41, and the sealing effect can also be further improved.

[0100] In this embodiment, the smoke exhaust pipe 30 and the connecting joint 41 are fixed by gluing and sealing; the wind cabinet assembly 20 and the range hood body 10 are fixed to the joint fixing piece 42 by rubber gasket sealing and bolts; the connecting joint 41 and the joint fixing piece 42 are first preliminarily matched by snap fastening, at which time the contact position of the joint fixing piece 42 and the connecting joint 41 is just stuck into the annular mounting groove 423 of the connecting joint 41, which ensures the sealing of the contact gap between the connecting joint 41 and the joint fixing piece 42; after the annular boss 413 of the connecting joint 41 is embedded in the annular mounting groove 423, the connecting joint 41 and the joint fixing piece 42 are finally fixed by the screws on the other side.

[0101] The structure and assembly process of the range hood in this embodiment are introduced below in conjunction with the accompanying drawings.

[0102] like Figure 1 , Figure 2 As shown, the range hood of this embodiment is a split-type range hood, which includes a range hood body 10 consisting of an air inlet 100, a display panel 50, etc., and a smoke exhaust pipe 30, and a wind cabinet assembly 20 consisting of a fan, an air outlet 200, etc., and a first sealing connection structure 401 and a second sealing connection structure 402. The first sealing connection structure 401 and the second sealing connection structure 402 respectively include a joint fixing member 42 and a connecting joint 41, wherein the joint fixing member 42 in the first sealing connection structure 401 is fixed to the upper part of the range hood body 10 connected to the smoke exhaust pipe 30, and the joint fixing member 42 in the second sealing connection structure 402 is fixed to the lower part of the wind cabinet assembly 20 connected to the smoke exhaust pipe 30, and the connecting joint 41 is fixedly connected to both ends of the smoke exhaust pipe 30.

[0103] Furthermore, the connecting joint 41 fixedly connected to the smoke exhaust pipe 30 is sealed with the joint fixing part 42 fixedly connected to the range hood body 10 and the wind cabinet assembly 20 by means of bolts and clips, wherein the bolts and clips of the first sealing connection structure 401 between the range hood body 10 and the smoke exhaust pipe 30 and the second sealing connection structure 402 between the wind cabinet assembly 20 and the bellows are in opposite positions. When the position of the air outlet 200 of the wind cabinet assembly 20 is adjusted, it is only necessary to swap the smoke exhaust pipe 30 up and down and the first sealing connection structure 401 left and right, and adjust the relative positions of the bolts and clips to meet the requirements.

[0104] like Figures 8 to 12 As shown, the joint fixing member 42 is provided with a first mounting hole 420, the first sealing gasket 43 is provided with a through hole 430, and the range hood body 10 and the wind cabinet assembly 20 are respectively provided with second mounting holes 212 corresponding to the first mounting hole 420. The joint fixing member 42 is sealed and fixed to the range hood body 10 and the wind cabinet assembly 20 by bolts, wherein the outlet end of the range hood body 10 and the inlet end of the wind cabinet assembly 20 are respectively provided with an annular sealing groove 211, and the first sealing gasket 43 is arranged in the annular sealing groove 211. The first sealing gasket 43 is made of rubber material, which improves the sealing effect between the sealing connection structure 40 and the range hood body and the smoke exhaust pipe.

[0105] like Figure 2 , Figures 4 to 6 As shown, a clamping part 411 is provided on one side of the connection joint 41, and a screw connection part 412 is provided on the other side. Preferably, the clamping part 411 adopts a buckle, and the screw connection part 412 adopts a first screw hole 4122. During assembly, the joint fixing part 42 is firstly fixed to the connection joint 41 by the buckle, and then the joint fixing part 42 is sealed and fixed to the connection joint 41 by screws. This sealed connection structure 40 connects the range hood body 10, the exhaust pipe 30 and the wind cabinet assembly 20 into a whole, so that all the oil smoke passing through the exhaust pipe 30 enters the air outlet 200 in the wind cabinet assembly 20 for discharge, avoiding the occurrence of oil smoke leakage at the connection part.

[0106] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A range hood, characterized in that: include: The range hood body (10) has an air inlet (100); The wind cabinet component (20) has an air outlet (200), and the outlet end of the range hood body (10) is connected to the inlet end of the wind cabinet component (20) via a smoke exhaust pipe (30); A sealed connection structure (40), wherein the smoke exhaust pipe (30) is connected to the range hood body (10) and the wind cabinet assembly (20) respectively via the sealed connection structure (40); The sealing connection structure (40) comprises a connection joint (41) and a joint fixing member (42); the connection joint (41) is fixed on the smoke exhaust pipe (30); the joint fixing member (42) is fixed on the smoke exhaust machine body (10) or the wind cabinet assembly (20); the connection joint (41) and the joint fixing member (42) are detachably sealed and connected.

2. The range hood according to claim 1, characterized in that: The sealing connection structure (40) comprises: A first sealing connection structure (401) used for connecting the smoke exhaust machine body (10) and the smoke exhaust pipe (30); A second sealing connection structure (402) is used to connect the smoke exhaust pipe (30) and the wind cabinet assembly (20), wherein the first sealing connection structure (401) and the second sealing connection structure (402) both comprise the connection joint (41) and the joint fixing member (42); The connecting joint (41) and the joint fixing member (42) are connected and fixed by means of screws and / or clamping.

3. The range hood according to claim 1, characterized in that: The connecting joint (41) and the joint fixing piece (42) are both annular structures, and one side of the connecting joint (41) and the joint fixing piece (42) are fixed by clamping, and the other side is fixed by screw connection.

4. The range hood according to claim 3, characterized in that: The connection joint (41) is provided with a clamping portion (411) on one side and a screw connection portion (412) on the other side; One side of the joint fixing piece (42) is provided with a clamping fitting portion (421) corresponding to the clamping portion (411), and the other side is provided with a screw fitting portion (422) corresponding to the screw connecting portion (412); The air outlet (200) is arranged on the side of the wind cabinet assembly (20), and the connecting joints (41) are respectively arranged at both ends of the smoke exhaust pipe (30), and the clamping parts (411) and the screw connecting parts (412) of the connecting joints (41) at both ends of the smoke exhaust pipe (30) are in opposite positions.

5. The range hood according to claim 4, characterized in that: One of the snap-fit ​​portion (411) and the snap-fit ​​matching portion (421) is a snap buckle, and the other is a snap groove; And / or, the screw connecting portion (412) and the screw matching portion (422) include correspondingly arranged screw holes.

6. The range hood according to any one of claims 3 to 5, characterized in that: An annular mounting groove (423) is formed on the inner periphery of the joint fixing member (42); An annular boss (413) is provided at one end of the connecting joint (41) connected to the joint fixing member (42); the annular boss (413) is embedded in the annular mounting groove (423) and is interference-fitted with the annular mounting groove (423).

7. The range hood according to claim 6, characterized in that: A buckle is provided on one side of the connection joint (41), and the buckle has multiple groups, and the multiple groups of buckles are arranged at intervals on the outer wall of the annular boss (413); The inner circumference of the annular installation groove (423) is provided with a plurality of groups of card slots, and the plurality of groups of card buckles are plugged and matched in the plurality of groups of card slots one by one. A connecting ear (4121) is provided on the other side of the connecting joint (41), and a first screw hole (4122) is provided on the connecting ear (4121). The connecting joint (41) comprises an annular body and the annular boss (413), and the annular boss (413) is provided on one side of the annular body close to the joint fixing member (42); There are a plurality of connecting ears (4121), and the connecting ears (4121) are arranged at intervals on the outer wall of the annular body. When the annular boss (413) is embedded in the annular mounting groove (423), the connecting ears (4121) overlap the joint fixing member (42); A second screw hole is provided on the joint fixing member (42) corresponding to the first screw hole (4122), and the first screw hole (4122) and the second screw hole are connected by screws.

8. The range hood according to any one of claims 1 to 5, characterized in that: The sealing connection structure (40) further comprises: A first sealing gasket (43), the outlet end of the range hood body (10) and the inlet end of the wind cabinet assembly (20) are respectively provided with an annular sealing groove (211), and the first sealing gasket (43) is arranged in the annular sealing groove (211).

9. The range hood according to any one of claims 1 to 5, characterized in that: The joint fixing member (42) has a frame-shaped main body, and the frame-shaped main body matches the outlet end of the range hood main body (10) or the inlet end of the wind cabinet assembly (20); The frame-shaped body is provided with a plurality of first mounting holes (420) at intervals along the circumferential direction, and the outlet end of the range hood body (10) or the inlet end of the wind cabinet assembly (20) is provided with a plurality of second mounting holes (212) at intervals along the circumferential direction, and the plurality of first mounting holes (420) and the plurality of second mounting holes (212) are connected and fixed by a plurality of bolts.

10. The range hood according to any one of claims 1 to 5, characterized in that: The connecting joint (41) has an annular main body, and an annular connecting groove (410) is provided on one end surface of the annular main body close to the smoke exhaust pipe (30). The circumferential edge of the end of the smoke exhaust pipe (30) is inserted into the annular connecting groove (410) and fixed with glue.

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