Lifting type internal circulation range hood

Abstract

The utility model discloses a lifting type internal circulation range hood which comprises a machine shell, a smoke collecting cavity is formed in the machine shell, an opening communicated with the smoke collecting cavity is formed in the upper portion of the machine shell, and an air outlet communicated with the smoke collecting cavity is formed in the side face of the machine shell. The range hood further comprises a fume collecting hood arranged in the fume collecting cavity, a wind wheel assembly is arranged in the fume collecting hood, the fume inlet end of the fume collecting hood communicates with the fume collecting cavity, and the fume exhaust end of the fume collecting hood communicates with the exhaust outlet; a purification assembly is arranged between the exhaust fume collecting hood and the exhaust outlet; the purification assembly is sequentially provided with an oil-smoke separation layer, an oil filtering layer and a smoke filtering and odor removing layer from the smoke exhaust end of the smoke collecting hood to the exhaust outlet; the range hood further comprises a smoke collecting box body arranged at the opening in a lifting mode, a smoke sucking opening communicated with the smoke collecting cavity is formed in the smoke collecting box body, and a lifting driving mechanism and a lifting guiding mechanism are arranged between the smoke collecting box body and the machine shell. According to the utility model, internal circulation pipeline-free purification and odor removal can be carried out on oil smoke, the purification is efficient and reliable, and the complexity and limitation caused by pipeline installation are avoided; and the whole smoke collecting box body is stable and smooth in lifting.

Description

Technical Field

[0001] The utility model relates to the technical field of range hoods, in particular to a lifting type internal circulation range hood. Background Art

[0002] Most of the range hoods in the prior art simply suck the indoor fumes into the machine body and then discharge them to the outside through the pipe. Although this method ensures that there is no fumes indoors, most of the fumes are directly discharged to the outside through the pipe, which has a certain impact on the atmospheric environment. In addition, the process of pipe installation and drilling is increased, and the scope of use and installation is limited.

[0003] In addition, due to the limitations of the lifting drive mechanism, the smoke collection box is prone to lifting vibrations, abnormal noises, or even jamming, affecting the service life of the range hood and user experience.

[0004] Therefore, it is necessary to develop a lifting type internal circulation range hood that can purify and deodorize the oil fume through internal circulation without pipeline, with efficient and reliable purification and avoiding the tediousness and restrictions brought by pipeline installation; the overall lifting of the smoke collection box is stable and smooth. Utility Model Content

[0005] In order to solve the above problems, the technical solutions adopted by the utility model are as follows:

[0006] A lifting type internal circulation range hood, comprising a housing, characterized in that a smoke collecting chamber is arranged in the housing, an opening communicating with the smoke collecting chamber is arranged on the top, and an exhaust port communicating with the smoke collecting chamber is arranged on the side;

[0007] It also includes a smoke collecting hood arranged in the smoke collecting chamber, a wind wheel assembly is arranged in the smoke collecting hood, a smoke inlet end of the smoke collecting hood is connected with the smoke collecting chamber, and a smoke exhaust end is connected with an exhaust port; a purification assembly for purifying oil smoke and removing odor is arranged between the smoke collecting hood and the exhaust port;

[0008] The purification component is provided with an oil fume separation layer, an oil filter layer and a smoke filter and deodorization layer in sequence from the smoke exhaust end of the smoke collecting hood to the air exhaust port;

[0009] It also includes a smoke collection box body that can be raised and lowered at the opening, the smoke collection box body is provided with a smoking port connected to the smoke collection chamber, a lifting drive mechanism and a lifting guide mechanism are arranged between the smoke collection box body and the casing, the lifting drive mechanism is used to drive the smoke collection box body to rise and fall along the opening relative to the casing, and the lifting guide mechanism is used to limit the freedom of the smoke collection box body except for the lifting movement.

[0010] Preferably, installation areas for placing purification components are arranged opposite to each other on both sides of the smoke collecting hood, the two installation areas are connected to the smoke collecting hood and the exhaust port, and purification components are arranged in both installation areas.

[0011] Preferably, the oil fume separation layer comprises a positive electrode discharge plate and a negative electrode adsorption plate, the negative electrode adsorption plate is close to the oil filter layer, and the positive electrode discharge plate is close to the smoke exhaust end of the smoke collecting hood.

[0012] Preferably, the oil filter layer is an aluminum filter mesh.

[0013] Preferably, the smoke filtering and odor removing layer comprises, in sequence in the direction away from the oil filtering layer, an activated carbon salt layer, an activated carbon particle layer and an activated carbon cotton layer.

[0014] Preferably, a mounting and disassembly opening is provided in front of the two mounting areas, and a sealing cover detachably connected to the casing is provided on the mounting and disassembly opening.

[0015] Preferably, the lifting drive mechanism includes a lifting drive and two push rods, the two push rods are relatively arranged on both sides of the smoke collection box, the lifting drive is connected to the casing, and the lifting drive is provided with two coaxial drive shafts facing each other, and the two drive shafts are respectively connected to the drive ends of the push rods.

[0016] Preferably, the lifting guide mechanism comprises a front pulley block, a rear pulley block and a side pulley block connected to the casing, and the front pulley block, the rear pulley block and the side pulley block are rollingly connected to the front surface, the rear surface and both side surfaces of the smoke collecting box body respectively.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. The utility model sets a purification component between the smoke hood and the exhaust port, separates the oil and smoke in the smoke through the smoke separation layer, filters the separated oil through the oil filter layer, and filters and deodorizes the smoke after separation and oil removal through the smoke filter and deodorization layer of the multi-stage filtering structure, thereby realizing internal circulation and pipeline-free purification and deodorization of the smoke, with an oil fume odor removal rate of up to 95%, efficient and reliable purification, and eliminating the cumbersomeness and limitations of pipeline installation, making installation more convenient.

[0019] 2. Through the dual purification and exhaust channel structure design, the oil smoke discharged from the smoke hood is diverted, effectively improving the exhaust and oil fume purification effects.

[0020] 3. By setting up a lifting drive mechanism that drives the two sides of the smoke collector to rise and fall synchronously, the two sides of the smoke collector can be lifted and lowered synchronously to avoid asynchronous tilting of the two sides of the smoke collector during the lifting process. At the same time, the lifting guide mechanism of the pulley structure can lift the smoke collector up and down while limiting the front and back and left and right shaking of the smoke collector relative to the casing during the lifting process, thereby ensuring that the overall lifting of the smoke collector is smooth and stable, solving the problem of shaking, abnormal noise, and even jamming of the smoke collector during lifting, extending the service life of the range hood, and improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model;

[0022] Figure 2 for Figure 1 Explosion diagram of

[0023] Figure 3 This is the second schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 4 This is the third schematic diagram of the three-dimensional structure of the utility model;

[0025] Wherein: casing 1, smoke collecting chamber 2, smoke collecting hood 3, wind wheel assembly 4, purification assembly 5, smoke collecting box 6, lifting drive mechanism 7, lifting guide mechanism 8, cover 9, installation area 11, oil smoke separation layer 51, oil filter layer 52, smoke filter and deodorization layer 53, lifting drive 71, push rod 72, front pulley group 81, rear pulley group 82, side pulley group 83, positive discharge plate 511, negative adsorption plate 512, activated carbon salt layer 531, activated carbon granule layer 532, activated carbon cotton layer 533, opening 1a, exhaust port 2a, smoking port 6a, assembly and disassembly port 11a. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the accompanying drawings. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may also be an element centered thereon. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an element centered thereon at the same time. The terms "vertical", "horizontal", "left", "right", "up", "down", "front", "rear" and similar expressions used herein are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described:

[0030] like Figure 1-4 As shown, a lifting type internal circulation range hood comprises a casing 1, a smoke collecting chamber 2 is arranged in the casing 1, an opening 1a communicating with the smoke collecting chamber 2 is arranged on the top, and an exhaust port 2a communicating with the smoke collecting chamber 2 is arranged on the side;

[0031] It also includes a smoke collecting hood 3 disposed in the smoke collecting chamber 2, a wind wheel assembly 4 is disposed in the smoke collecting hood 3, a smoke inlet end of the smoke collecting hood 3 is connected to the smoke collecting chamber 2, and a smoke exhaust end is connected to the exhaust port 2a; a purification assembly 5 for purifying oil smoke and removing odor is disposed between the smoke collecting hood 3 and the exhaust port 2a;

[0032] The purification component 5 is provided with an oil smoke separation layer 51, an oil filter layer 52 and a smoke filter and deodorization layer 53 in sequence from the smoke exhaust end of the smoke collecting hood 3 to the air exhaust port 2a;

[0033] It also includes a smoke collecting box 6 which can be lifted and lowered at the opening 1a, and a smoking port 6a connected to the smoke collecting chamber 2 is provided on the smoke collecting box 6. A lifting drive mechanism 7 and a lifting guide mechanism 8 are provided between the smoke collecting box 6 and the casing 1. The lifting drive mechanism 7 is used to drive the smoke collecting box 6 to lift and lower along the opening 1a relative to the casing 1, and the lifting guide mechanism 8 is used to limit the freedom of the smoke collecting box 6 except for the lifting and lowering movement.

[0034] In this embodiment, the oil and smoke in the oil smoke are separated by the oil smoke separation layer 51, the separated oil is filtered by the oil filter layer 52, and the smoke after separation and oil removal is filtered and deodorized by the smoke filter and deodorization layer 53, thereby realizing internal circulation and pipeline-free purification and deodorization of the oil smoke, with an oil fume odor removal rate of up to 95%, efficient and reliable purification, and eliminating the cumbersomeness and limitations of pipeline installation, making installation more convenient.

[0035] In this embodiment, the smoke collecting box 6 and the lifting drive mechanism 7 are connected to the power supply of the casing 1 through an aviation socket. During maintenance and disassembly, the smoke collecting box 6 and the lifting drive mechanism 7 can be quickly and conveniently separated from the casing 1, and are also easy to clean.

[0036] In this embodiment, a control module is provided on the smoke collecting box 6, through which the range hood can be started by touch and voice, and the speed and gear of the range hood can be adjusted, and the range hood can be controlled to enter a cleaning mode.

[0037] Further, such as Figure 2 As shown, installation areas 11 for placing purification components 5 are arranged opposite to each other on both sides of the smoke hood 3 , the two installation areas 11 are connected with the smoke hood 3 and the exhaust port 2 a , and purification components 5 are arranged in both installation areas 11 .

[0038] In this embodiment, the above structure, through the dual purification and smoke exhaust channel structure design, diverts the oil smoke exhausted from the smoke hood 3, effectively improving the smoke exhaust and oil smoke purification effects.

[0039] Further, such as Figure 2 As shown, the oil fume separation layer 51 includes a positive electrode discharge plate 511 and a negative electrode adsorption plate 512 , wherein the negative electrode adsorption plate 512 is close to the oil filter layer 52 , and the positive electrode discharge plate 511 is close to the smoke exhaust end of the smoke collecting hood 3 .

[0040] In this embodiment, the oil particles are charged by high voltage discharge of the positive discharge plate 511, and then the charged oil particles are adsorbed on the negative adsorption plate 512, thereby filtering most of the oil in the oil smoke.

[0041] Further, such as Figure 2 As shown, the oil filter layer 52 is an aluminum filter mesh.

[0042] In this embodiment, the remaining oil in the oil fume is further removed by an aluminum filter, thereby improving the oil removal effect on the oil fume.

[0043] Further, such as Figure 2 As shown, the smoke filtering and deodorizing layer 53 includes an activated carbon salt layer 531 , an activated carbon particle layer 532 and an activated carbon cotton layer 533 in sequence in a direction away from the oil filtering layer 52 .

[0044] In this embodiment, the above structure adopts a multi-stage activated carbon filter structure to efficiently filter and purify the smoke and smoke odor in the oil smoke, so as to achieve the effect of absorbing odor and removing formaldehyde, and ensure that the exhausted smoke meets the indoor emission requirements.

[0045] Further, such as Figure 2 As shown, a mounting and disassembly opening 11 a is arranged in front of the two mounting areas 11 , and a cover 9 detachably connected to the housing 1 is arranged on the mounting and disassembly opening 11 a .

[0046] In this embodiment, the above structure can realize quick and convenient replacement of the purification component 5 through the provision of the installation and removal port 11a, thereby ensuring the purification performance of the range hood.

[0047] Further, such as Figure 3 , 4 As shown, the lifting drive mechanism 7 includes a lifting drive 71 and two push rods 72. The two push rods 72 are relatively arranged on both sides of the smoke collecting box 6. The lifting drive 71 is connected to the casing 1. The lifting drive 71 is provided with two coaxial driving shafts facing each other. The two driving shafts are respectively connected to the driving ends of the push rods 72.

[0048] In this embodiment, compared with the single-motor single-push rod 72 structure of the prior art, the single lifting driver 71 can synchronously drive the two push rods 72 to drive, so that the two sides of the smoke collection box 6 can be lifted and lowered synchronously, ensuring a smooth lifting process of the smoke collection box 6, and solving the problem of asynchronous tilting of the two sides of the smoke collection box 6 during the lifting process, causing shaking, abnormal noise and even jamming; the lifting driver is a brushless motor.

[0049] Further, such as Figure 3 , 4 As shown, the lifting guide mechanism 8 includes a front pulley group 81, a rear pulley group 82 and a side pulley group 83 connected to the casing 1, and the front pulley group 81, the rear pulley group 82 and the side pulley group 83 are rollingly connected to the front surface, the rear surface and the two side surfaces of the smoke collecting box 6 respectively.

[0050] In this embodiment, the front pulley group 81, the rear pulley group 82 and the side pulley group 83 are used to limit the front, rear and left and right shaking of the smoke collection box 6 relative to the casing 1 during the lifting process. Compared with the guide rail guiding structure of the prior art, it can avoid the smoothness of the guide or the jamming of the guide rail caused by the accumulation of oil smoke and dust. Combined with the lifting drive mechanism 7, it can ensure that the overall lifting of the smoke collection box 6 is smooth and stable, effectively solving the problem of the smoke collection box 6 being prone to shaking, abnormal noise, or even jamming during the lifting process, thereby extending the service life of the range hood and improving the user experience.

[0051] In this embodiment, the front pulley group 81 includes a plurality of front pulleys distributed on the front surface of the smoke collecting box 6, the rear pulley group 82 includes a plurality of rear pulleys distributed on the rear surface of the smoke collecting box 6, and the side pulley group 83 includes a plurality of side pulleys distributed on the two side surfaces of the smoke collecting box 6. Through this structural design, the stability of the lifting and lowering of the smoke collecting box 6 is further improved.

[0052] For those skilled in the art, various other corresponding changes and deformations can be made according to the technical solutions and concepts described above, and all of these changes and deformations should fall within the scope of protection of the claims of the utility model patent.

Claims

1. A lifting type internal circulation range hood, comprising a housing, characterized in that: The housing is provided with a smoke collecting chamber, an opening communicating with the smoke collecting chamber is provided on the top, and an exhaust port communicating with the smoke collecting chamber is provided on the side; It also includes a smoke collecting hood arranged in the smoke collecting chamber, a wind wheel assembly is arranged in the smoke collecting hood, a smoke inlet end of the smoke collecting hood is connected with the smoke collecting chamber, and a smoke exhaust end is connected with an exhaust port; a purification assembly for purifying oil smoke and removing odor is arranged between the smoke collecting hood and the exhaust port; The purification component is provided with an oil fume separation layer, an oil filter layer and a smoke filter and deodorization layer in sequence from the smoke exhaust end of the smoke collecting hood to the air exhaust port; It also includes a smoke collection box body that can be raised and lowered at the opening, the smoke collection box body is provided with a smoking port connected to the smoke collection chamber, a lifting drive mechanism and a lifting guide mechanism are arranged between the smoke collection box body and the casing, the lifting drive mechanism is used to drive the smoke collection box body to rise and fall along the opening relative to the casing, and the lifting guide mechanism is used to limit the freedom of the smoke collection box body except for the lifting movement.

2. The lifting type internal circulation range hood according to claim 1, characterized in that: Installation areas for placing purification components are arranged oppositely on both sides of the smoke collecting hood. The two installation areas are connected with the smoke collecting hood and the exhaust port. Purification components are arranged in the two installation areas.

3. The lifting type internal circulation range hood according to claim 1, characterized in that: The oil fume separation layer comprises a positive electrode discharge plate and a negative electrode adsorption plate, wherein the negative electrode adsorption plate is close to the oil filter layer, and the positive electrode discharge plate is close to the smoke exhaust end of the smoke collecting hood.

4. The lifting type internal circulation range hood according to claim 1, characterized in that: The oil filtering layer is an aluminum filter screen.

5. The lifting type internal circulation range hood according to claim 1, characterized in that: The smoke filtering and deodorizing layer comprises an activated carbon salt layer, an activated carbon particle layer and an activated carbon cotton layer in sequence in a direction away from the oil filtering layer.

6. The lifting type internal circulation range hood according to claim 2, characterized in that: The front of the two installation areas is provided with a mounting and disassembly opening, and the mounting and disassembly opening is provided with a cover which is detachably connected to the casing.

7. The lifting type internal circulation range hood according to claim 1, characterized in that: The lifting drive mechanism includes a lifting drive and two push rods, the two push rods are relatively arranged on both sides of the smoke collecting box, the lifting drive is connected to the casing, and the lifting drive is provided with two coaxial driving shafts facing each other, and the two driving shafts are respectively connected to the driving ends of the push rods.

8. The lifting type internal circulation range hood according to claim 1, characterized in that: The lifting guide mechanism comprises a front pulley block, a rear pulley block and a side pulley block connected to the casing, and the front pulley block, the rear pulley block and the side pulley block are respectively rollingly connected to the front surface, the rear surface and the two side surfaces of the smoke collecting box body.

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