Fan and range hood

Abstract

The utility model discloses a fan which comprises a machine shell, a fan cover and a fan cover. The oil guide ring is arranged at the air inlet; and the clamping assembly comprises a first clamping part and a second clamping part, the first clamping part is rotationally provided with a rotating part capable of being connected with the second clamping part in a clamping mode, one of the first clamping part and the second clamping part is arranged on the machine shell, and the other one of the first clamping part and the second clamping part is arranged on the oil guide ring. Therefore, when the oil guide ring is installed, the oil guide ring only needs to be placed at the air inlet of the machine shell, then the rotating piece is rotated to be connected with the second clamping part in a clamped mode, and the oil guide ring can be installed on the machine shell. When the oil guide ring is disassembled, the oil guide ring can be disassembled only by rotating the rotating piece to be separated from the second clamping part, and the operation is simple and convenient. In addition, the utility model further discloses the range hood with the fan.

Description

Technical Field

[0001] The utility model relates to the technical field of range hoods, in particular to a fan and a range hood. Background Art

[0002] Existing range hoods are usually equipped with a fan and a dynamic oil net. The fan drives the dynamic oil net to rotate at high speed, creating a negative pressure environment to absorb oil smoke. However, when the fan's impeller and the dynamic oil net rotate at high speed, the attached oil will splash around to the inner wall of the casing due to the centrifugal effect, and flow along the inner wall of the casing to the air inlet of the casing. Therefore, an oil guide ring is usually installed at the air inlet of the fan to collect the oil accumulated on the inner wall of the casing, which can not only keep the internal environment of the range hood clean and hygienic, but also facilitate the unified treatment of oil pollution.

[0003] However, in the prior art, the oil guide ring and the fan housing are usually assembled and fixed with screws. When assembling on the production line, multiple screws need to be driven, which is cumbersome and increases the assembly time, resulting in reduced production efficiency. In addition, when it is necessary to clean the inside of the range hood, it is not convenient to disassemble the oil guide ring, and the screws need to be removed one by one, which seriously affects the user experience. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a fan that can facilitate the installation and disassembly of the oil guide ring.

[0005] The utility model also provides a range hood equipped with the above-mentioned fan.

[0006] The fan according to the embodiment of the utility model includes: a casing having an air inlet; an oil guide ring arranged at the air inlet; at least one group of clamping components, the clamping components including a first clamping part and a second clamping part, the first clamping part being rotatably mounted with a rotating part that can be clamped with the second clamping part, one of the first clamping part and the second clamping part being arranged on the casing, and the other being arranged on the oil guide ring.

[0007] The fan according to the embodiment of the utility model has at least the following beneficial effects:

[0008] By setting up the clamping assembly, the first clamping part is rotatably installed with a rotating part that can be clamped with the second clamping part. Therefore, when installing the oil guide ring, it is only necessary to place the oil guide ring at the air inlet of the casing, and then rotate the rotating part until it is clamped with the second clamping part, and the oil guide ring can be installed to the casing; when removing the oil guide ring, it is only necessary to rotate the rotating part until it is separated from the second clamping part, and the oil guide ring can be removed, which is simple and convenient to operate.

[0009] According to some embodiments of the present invention, the second engaging portion is provided with an engaging groove for engaging with the rotating member.

[0010] According to some embodiments of the present invention, a limiting portion is provided on the inner wall of the slot, and the limiting portion can be engaged with the rotating part to limit the rotating part from rotating and moving out of the slot relative to the second engaging portion, and the limiting portion can be disengaged from the rotating part so that the rotating part can rotate relative to the second engaging portion and move into or out of the slot.

[0011] According to some embodiments of the utility model, the limiting portion is a protrusion provided on the inner wall of the slot; the limiting portion and / or the rotating member is an elastic member.

[0012] According to some embodiments of the utility model, the first clamping portion is provided on the housing, the second clamping portion is provided on the oil guide ring, the clamping groove is opened on a side surface of the second clamping portion facing away from the housing, the limiting portion is provided on the bottom wall of the clamping groove, one end of the rotating member is rotatably installed on the first clamping portion, and the other end has an abutment column that can be pressed against the bottom wall of the clamping groove.

[0013] According to some embodiments of the present invention, an opening communicating with the clamping slot is formed on an edge of the second clamping portion.

[0014] According to some embodiments of the utility model, the end of the slot close to the opening is the outer end, the end of the slot away from the opening is the inner end, the bottom wall height of the slot gradually increases from the outer end to the limiting portion, and the bottom wall height of the slot gradually decreases from the limiting portion to the inner end.

[0015] According to some embodiments of the utility model, at least one group of positioning components is arranged between the oil guide ring and the casing, and the positioning component includes a first positioning portion and a second positioning portion that can cooperate with each other to position, one of the first positioning portion and the second positioning portion is arranged on the casing, and the other is arranged on the oil guide ring.

[0016] According to some embodiments of the present invention, the second positioning portion is provided with a positioning groove which is plugged into and cooperates with the first positioning portion.

[0017] According to the range hood of the embodiment of the utility model, a fan according to any one of the above embodiments is provided.

[0018] The range hood according to the embodiment of the utility model has at least the following beneficial effects:

[0019] By setting a fan of any of the above embodiments, a clamping assembly is provided between the oil guide ring of the fan and the casing, the clamping assembly includes a first clamping part and a second clamping part, the first clamping part is rotatably mounted with a rotating part that can be clamped with the second clamping part, one of the first clamping part and the second clamping part is arranged on the casing, and the other is arranged on the oil guide ring. Therefore, when installing the oil guide ring, it is only necessary to place the oil guide ring at the air inlet of the casing, and then rotate the rotating part to be clamped with the second clamping part, so that the oil guide ring can be installed on the casing; when removing the oil guide ring, it is only necessary to rotate the rotating part to be separated from the second clamping part, so that the oil guide ring can be removed. Compared with the prior art, during the installation and removal of the oil guide ring of the fan of the embodiment of the utility model, there is no need to tighten the screws one by one, and it is only necessary to rotate the rotating part, so that the operation is simpler and more convenient, which improves the production efficiency of the fan, thereby improving the production efficiency of the range hood, and also facilitates the user to clean or repair the range hood.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 A schematic diagram of a fan according to an embodiment of the utility model;

[0023] Figure 2 for Figure 1 A partial enlarged view of point A is shown;

[0024] Figure 3 Another schematic diagram of a fan according to an embodiment of the utility model;

[0025] Figure 4 It is a schematic diagram of the rotating member and the second clamping portion being disengaged from each other in an embodiment of the utility model;

[0026] Figure 5 It is a schematic diagram of the rotating member of the embodiment of the utility model rotating close to the second clamping portion;

[0027] Figure 6 It is a schematic diagram of the rotating member and the second clamping portion being clamped together in an embodiment of the utility model;

[0028] Figure 7 A schematic diagram of an oil guide ring according to an embodiment of the utility model;

[0029] Figure 8 Another schematic diagram of an oil guide ring according to an embodiment of the utility model;

[0030] Fig. 9 Another schematic diagram of an oil guide ring according to an embodiment of the utility model;

[0031] Fig.10 It is a front schematic diagram of the oil guide ring of the embodiment of the utility model;

[0032] Fig.11 It is a cross-sectional schematic diagram of an oil guide ring according to an embodiment of the utility model;

[0033] Fig.12 A schematic diagram of a rotating member of an embodiment of the utility model;

[0034] Fig.13 Another schematic diagram of a rotating member according to an embodiment of the utility model;

[0035] Fig.14 A schematic diagram of a range hood according to an embodiment of the utility model;

[0036] Fig.15 Another schematic diagram of a range hood according to an embodiment of the present invention.

[0037] Reference numerals:

[0038] The housing 100, the air inlet 101, the first clamping portion 110, the rotating member 111, the abutting column 112, and the first positioning portion 120;

[0039] The oil guide ring 200, the second clamping portion 210, the clamping groove 211, the limiting portion 212, the opening 213, the second positioning portion 220, and the positioning groove 221;

[0040] Range hood 300. DETAILED DESCRIPTION

[0041] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0042] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0043] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0044] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0045] Reference Figures 1 to 13 One embodiment of the utility model provides a fan, which includes a housing 100, an oil guide ring 200 and four sets of clamping components. The housing 100 has an air inlet 101. The oil guide ring 200 is arranged at the air inlet 101. The clamping component includes a first clamping portion 110 and a second clamping portion 210, the first clamping portion 110 is rotatably mounted with a rotating member 111 that can be clamped with the second clamping portion 210, the first clamping portion 110 is arranged on the housing 100, and the second clamping portion 210 is arranged on the oil guide ring 200.

[0046] By setting the clamping assembly, the first clamping part 110 is rotatably mounted with a rotating member 111 that can be clamped with the second clamping part 210. Therefore, when installing the oil guide ring 200, it is only necessary to place the oil guide ring 200 at the air inlet 101 of the housing 100, and then rotate the rotating member 111 to be clamped with the second clamping part 210, so that the oil guide ring 200 can be installed on the housing 100; when removing the oil guide ring 200, it is only necessary to rotate the rotating member 111 to be separated from the second clamping part 210, so that the oil guide ring 200 can be removed. Compared with the prior art, during the installation and removal of the oil guide ring 200 of the fan of the embodiment of the utility model, it is not necessary to tighten the screws one by one, but only to rotate the rotating member 111, which is simpler and more convenient to operate, which not only improves the production efficiency of the fan, but also facilitates the user to clean or repair the fan.

[0047] It is understandable that the number of the above-mentioned card-connecting components is four, which is only for Figures 1 to 13 As an exemplary illustration, in some embodiments, the number of the clamping assemblies may also be one group, two groups, three groups, five groups, six groups or more groups, which is not specifically limited in the present invention. It is understandable that when the number of the clamping assemblies is two groups or more, all the clamping assemblies are arranged at intervals around the circumference of the oil guide ring 200.

[0048] It is understandable that the first clamping portion 110 is provided on the housing 100, and the second clamping portion 210 is provided on the oil guide ring 200. Figures 1 to 13 In addition, the first clamping portion 110 may be disposed on the oil guide ring 200, and the second clamping portion 210 may be disposed on the housing 100, and the present invention does not make any specific limitation on this.

[0049] Reference Figures 1 to 13 In some embodiments, the second engaging portion 210 is provided with an engaging slot 211 for engaging with the rotating member 111 .

[0050] In the above structure, by providing a slot 211 for engaging with the rotating member 111 in the second engaging portion 210, when the oil guide ring 200 needs to be installed, the oil guide ring 200 only needs to be placed at the air inlet 101 of the housing 100, and then the rotating member 111 is rotated to be engaged in the slot 211, and the oil guide ring 200 can be installed on the housing 100; when the oil guide ring 200 needs to be removed, the oil guide ring 200 can be removed by rotating the rotating member 111 to the outside of the slot 211. Compared with the prior art, during the installation and removal of the oil guide ring 200 of the fan of the utility model embodiment, it is not necessary to tighten the screws one by one, but only to rotate the rotating member 111, which is simpler and more convenient to operate, not only improving the production efficiency of the fan, but also making it convenient for users to clean or repair the fan.

[0051] It is understandable that, referring to Figures 1 to 13 The second clamping portion 210 is provided with a clamping slot 211 that cooperates with the rotating member 111, wherein the clamping slot 211 can specifically be an arc-shaped slot provided in the second clamping portion 210, and the curvature of the arc-shaped slot matches the curvature formed by the rotation of the rotating member 111, thereby facilitating the rotating member 111 to be smoothly rotated to the clamping slot 211 and moved along the clamping slot 211 to the inside of the clamping slot 211.

[0052] It is understandable that, in addition to providing a slot 211 that cooperates with the rotating member 111 in the second clamping portion 210, the second clamping portion 210 can also be directly set as a hook or a block that can cooperate with the first clamping portion 110, and the utility model does not make specific restrictions on this. For example, when the first clamping portion 110 is provided on the housing 100, and the second clamping portion 210 is a block provided on the oil guide ring 200, the rotating member 111 is rotated to be engaged with the block, that is, the rotating member 111 is rotated to the side surface of the oil guide ring 200 away from the housing 100 and the block is pressed, so that the oil guide ring 200 is pressed and fixed to the air inlet 101 of the housing 100. Of course, the utility model does not make specific restrictions on the specific structure of the second clamping portion 210.

[0053] Reference Figures 1 to 13In some embodiments, a limiting portion 212 is provided on the inner wall of the slot 211, and the limiting portion 212 can be engaged with the rotating member 111 to limit the rotating member 111 from rotating and moving out of the slot 211 relative to the second engaging portion 210, and the limiting portion 212 can be disengaged from the rotating member 111 so that the rotating member 111 can rotate relative to the second engaging portion 210 and move into or out of the slot 211.

[0054] In the above structure, by setting a limiting member on the inner wall of the slot 211, when installing the oil guide ring 200, the oil guide ring 200 is first placed at the air inlet 101 of the housing 100, and then the rotating member 111 is rotated to be inserted into the slot 211, and then the limiting portion 212 is engaged with the rotating member 111, so as to limit the rotating member 111 and restrict the rotating member 111 from rotating relative to the second engaging portion 210 and moving out of the slot 211, so that the oil guide ring 200 can be stably installed on the housing. 100, to prevent the rotating member 111 from accidentally slipping out of the slot 211 and causing the installation of the oil guide ring 200 to become loose or directly fall off the housing 100; when the oil guide ring 200 needs to be removed, it is only necessary to first disengage the limit member from the rotating member 111, and then rotate the rotating member 111 to the outside of the slot 211, so that the oil guide ring 200 can be removed. The operation is simple and convenient, and while facilitating the installation and disassembly of the oil guide ring 200, it also increases the stability of the installation of the oil guide ring 200.

[0055] Reference Figures 1 to 11 In some embodiments, the limiting portion 212 is a protrusion provided on the inner wall of the slot 211, and the limiting portion 212 is an elastic member.

[0056] In the above structure, by setting the limiting part 212 as a protruding part located on the inner wall of the slot 211 and having elasticity, when installing the oil guide ring 200, the oil guide ring 200 is first placed at the air inlet 101 of the casing 100, and then the elastic force of the protruding part is overcome to rotate the rotating member 111 to be inserted into the slot 211. In this process, the rotating member 111 will rotate to abut against the protruding part and squeeze the protruding part to make the protruding part shrink, so that the rotating member 111 can smoothly rotate from the outer side of the protruding part to the inner side of the protruding part. When the rotating member 111 rotates to the inner side of the protruding part, the protruding part elastically resets and restricts the rotating member 111 in the slot 211. At this time, the protruding part can be engaged with the rotating member 111 to restrict the rotating member 111 from rotating relative to the second engaging part 210 and moving out of the slot 211. In this way, the oil guide ring 200 can be stably installed on the casing 100, preventing the rotating member 111 from accidentally slipping out of the slot 211 and causing the oil guide ring 200 to become loose or fall directly from the casing 100; when the oil guide ring 200 needs to be removed, it is only necessary to overcome the elastic force of the protrusion and rotate the rotating member 111 out of the slot 211. During this process, the rotating member 111 will rotate to abut against the protrusion and squeeze the protrusion to shrink the protrusion, so that the rotating member 111 can be smoothly rotated from the inside of the protrusion to the outside of the protrusion, thereby the rotating member 111 can be rotated to the outside of the slot 211, thereby removing the oil guide ring 200. The structure is simple and the operation is convenient. While facilitating the installation and disassembly of the oil guide ring 200, it also increases the stability of the installation of the oil guide ring 200.

[0057] It is understandable that the limiting portion 212 is configured as an elastic member, wherein the limiting portion 212 can specifically be a rubber member, silicone or other elastic structure. In addition, it can also be configured as a structure with a compression spring inside, which is not specifically limited in the present invention. It should be noted that, in addition to setting the limiting portion 212 as an elastic member, in some embodiments, the rotating member 111 can also be set as an elastic member. In this case, when installing the oil guide ring 200, the oil guide ring 200 is first placed at the air inlet 101 of the casing 100, and then the rotating member 111 is rotated to be inserted into the slot 211 by overcoming the elastic force of the rotating member 111 itself. In this process, the rotating member 111 will rotate to abut against the raised portion and shrink due to the compression of the raised portion, so that the rotating member 111 can smoothly rotate from the outer side of the raised portion to the inner side of the raised portion. When the rotating member 111 rotates to the inner side of the raised portion, the rotating member 111 is elastically reset. At this time, the raised portion can be engaged with the rotating member 111 and limit the rotating member 111 from rotating relative to the second engaging portion 210 and moving out of the slot 211. , thereby the oil guide ring 200 can be stably installed on the casing 100, preventing the rotating member 111 from accidentally slipping out of the slot 211 and causing the oil guide ring 200 to become loose or fall directly from the casing 100; when the oil guide ring 200 needs to be removed, it is only necessary to overcome the elastic force of the rotating member 111 itself and rotate the rotating member 111 out of the slot 211. In this process, the rotating member 111 will rotate until it abuts against the raised portion and is squeezed and contracted by the raised portion, so that the rotating member 111 can be smoothly rotated from the inner side of the raised portion to the outer side of the raised portion, thereby the rotating member 111 can be rotated to the outside of the slot 211, thereby removing the oil guide ring 200. The structure is simple and the operation is convenient. While facilitating the installation and disassembly of the oil guide ring 200, it also increases the stability of the installation of the oil guide ring 200.

[0058] It is understandable that, in addition to setting the limiting portion 212 as an elastic member, or setting the rotating member 111 as an elastic member, the limiting portion 212 and the rotating member 111 may also be set as elastic members at the same time, and the present invention does not make any specific limitation on this.

[0059] It is understandable that the above-mentioned limiting portion 212 is a protrusion provided on the inner wall of the slot 211, which is only for Figures 1 to 11is an exemplary illustration. In addition, the limiting portion 212 can also be set to other structures, and the present invention does not make specific limitations on this. For example, in some embodiments, the limiting portion 212 can also be a clamping member movably mounted on the inner wall of the slot 211, and the limiting portion 212 can move relative to the inner wall of the slot 211 and be engaged or disengaged with the rotating member 111. Specifically, when installing the oil guide ring 200, first place the oil guide ring 200 at the air inlet 101 of the housing 100, and then rotate the rotating member 111 to be engaged in the slot 211, and then move the limiting portion 212 to be engaged with the rotating member 111, thereby limiting the rotating member 111 and limiting the rotating member 111 from rotating relative to the second clamping portion 210 and moving out of the slot 211. In this way, the oil guide ring 200 can be stably installed on the housing 100 to prevent the rotating member 111 from accidentally coming out of the slot. 211 slips out, causing the installation of the oil guide ring 200 to become loose or directly fall off the casing 100; when the oil guide ring 200 needs to be removed, it is only necessary to first move the limit member away from the rotating member 111 to disengage the rotating member 111, and then rotate the rotating member 111 to the outside of the card slot 211, so that the oil guide ring 200 can be removed. The structure is simple and the operation is convenient. While facilitating the installation and disassembly of the oil guide ring 200, it also increases the stability of the installation of the oil guide ring 200.

[0060] Reference Figures 1 to 13 In some embodiments, the first clamping portion 110 is disposed on the housing 100, the second clamping portion 210 is disposed on the oil guide ring 200, the clamping groove 211 is opened on the side surface of the second clamping portion 210 away from the housing 100, the limiting portion 212 is disposed on the bottom wall of the clamping groove 211, one end of the rotating member 111 is rotatably installed on the first clamping portion 110, and the other end has an abutting column 112 that can be pressed against the bottom wall of the clamping groove 211.

[0061] In the above structure, the first clamping portion 110 is provided on the housing 100, the second clamping portion 210 is provided on the oil guide ring 200, and the clamping groove 211 is provided to be opened on the side surface of the second clamping portion 210 away from the housing 100. Therefore, when installing the oil guide ring 200, the oil guide ring 200 is first placed at the air inlet 101 of the housing 100, and then the rotating member 111 is rotated to be clamped into the clamping groove 211, so that the abutting column 112 abuts against the bottom wall of the clamping groove 211, thereby the oil guide ring 200 can be pressed and fixed to the air inlet of the housing 100. At 101, the limiting portion 212 can limit the rotating member 111 in the slot 211, preventing the rotating member 111 from accidentally slipping out of the slot 211 and causing the installation of the oil guide ring 200 to become loose or directly fall from the housing 100; when the oil guide ring 200 needs to be removed, the rotating member 111 only needs to be rotated to the outside of the slot 211 to release the oil guide ring 200 and remove the oil guide ring 200. The structure is simple and the operation is convenient. While facilitating the installation and disassembly of the oil guide ring 200, the stability of the installation of the oil guide ring 200 is also increased.

[0062] Reference Figures 1 to 11 In some embodiments, an edge of the second clamping portion 210 is provided with an opening 213 communicating with the clamping slot 211 .

[0063] In the above structure, an opening 213 communicating with the slot 211 is formed at the edge of the second engaging portion 210 . The opening 213 can be used as an inlet and outlet of the rotating member 111 , thereby facilitating the rotating member 111 to rotate in and out of the slot 211 .

[0064] Reference Figures 1 to 11 In some embodiments, the end of the slot 211 close to the opening 213 is the outer end, and the end of the slot 211 away from the opening 213 is the inner end. The bottom wall height of the slot 211 gradually increases from the outer end to the limiting portion 212, and the bottom wall height of the slot 211 gradually decreases from the limiting portion 212 to the inner end.

[0065] In the above structure, by setting the clamping groove 211 to a structure with low ends and high middle, when installing the oil guide ring 200, this structure can facilitate the rotation member 111 to rotate from the outer end of the clamping groove 211 to the inner end of the clamping groove 211, and can facilitate the position limiting portion 212 to limit the rotation member 111, so that the rotation member 111 is restricted to the inner end of the clamping groove 211. When disassembling the oil guide ring 200, this structure can facilitate the rotation member 111 to rotate from the inner end of the clamping groove 211 to the outer end of the clamping groove 211. The structure is simple and easy for users to operate.

[0066] It can be understood that the bottom wall height of the above-mentioned slot 211 gradually increases from the outer end to the limiting portion 212. Specifically, the bottom wall of the slot 211 located between the outer end of the slot 211 and the limiting portion 212 can be set as an inclined surface gradually increasing from the outer end of the slot 211 to the limiting portion 212, or can also be set as an arcuate surface gradually increasing from the outer end of the slot 211 to the limiting portion 212, and the utility model does not make specific restrictions on this. Similarly, the bottom wall height of the above-mentioned slot 211 gradually decreases from the limiting portion 212 to the inner end. Specifically, the bottom wall of the slot 211 located between the limiting portion 212 and the inner end of the slot 211 can be set as an inclined surface gradually decreasing from the limiting portion 212 to the inner end of the slot 211, or can also be set as an arcuate surface gradually decreasing from the limiting portion 212 to the inner end of the slot 211, and the utility model does not make specific restrictions on this.

[0067] Reference Figures 1 to 13 In some embodiments, a group of positioning components are arranged between the oil guide ring 200 and the housing 100, and the positioning components include a first positioning portion 120 and a second positioning portion 220 that can cooperate with each other to position each other. The first positioning portion 120 is arranged on the housing 100, and the second positioning portion 220 is arranged on the oil guide ring 200.

[0068] In the above structure, by providing a positioning assembly, the oil guide ring 200 can be conveniently positioned so that the first clamping portion 110 corresponds to the second clamping portion 210, thereby making it convenient to install the oil guide ring 200 at the air inlet 101 of the housing 100. Specifically, when installing the oil guide ring 200, first place the oil guide ring 200 at the air inlet 101 of the housing 100, and align and position the first positioning portion 120 with the second positioning portion 220 so that the first clamping portion 110 corresponds to the second clamping portion 210, and then the rotating member 111 can be smoothly rotated to be clamped with the second clamping portion 210, so that the oil guide ring 200 is installed on the housing 100. The structure is simple and easy to operate.

[0069] It is understandable that the first positioning portion 120 is provided on the housing 100, and the second positioning portion 220 is provided on the oil guide ring 200, which is only for Figures 1 to 13 In addition, the first positioning portion 120 may be disposed on the oil guide ring 200 and the second positioning portion 220 may be disposed on the housing 100, and the present invention does not make any specific limitation on this.

[0070] It is understandable that the number of the above-mentioned positioning components can be set to one group, two groups, three groups, four groups or more groups. The present invention does not make any specific limitation on this. It is only necessary that at least one group of positioning components is set between the oil guide ring 200 and the housing 100.

[0071] Reference Figures 1 to 13 In some embodiments, the second positioning portion 220 is provided with a positioning groove 221 that is plugged into and cooperates with the first positioning portion 120 .

[0072] In the above structure, by providing a slot in the second positioning portion 220 to cooperate with the first positioning portion 120, when installing the oil guide ring 200, first place the oil guide ring 200 at the air inlet 101 of the housing 100, and insert the first positioning portion 120 into the slot, so that the first clamping portion 110 and the second clamping portion 210 are in corresponding positions, and then the rotating member 111 can be smoothly rotated to be clamped with the second clamping portion 210, so that the oil guide ring 200 is installed on the housing 100. The structure is simple and easy to operate.

[0073] It is understandable that, in addition to the plug-in positioning structure, the first positioning portion 120 and the second positioning portion 220 may also adopt a snap-on, overlapped or other positioning structure, which is not specifically limited in the present invention.

[0074] It is understandable that, referring to Figures 1 to 13In some embodiments, the first positioning portion 120 is arranged on the first clamping portion 110, and the second positioning portion 220 is arranged on the second clamping portion 210. Therefore, when the first positioning portion 120 and the second positioning portion 220 are positioned together, the rotating member 111 of the first clamping portion 110 can be rotated to be able to be engaged with the second clamping portion 210, which not only makes the positioning of the oil guide ring 200 more accurate and the installation of the oil guide ring 200 more convenient and quick, but also can reduce the installation space required for the installation of the oil guide ring 200, which is convenient for the installation layout of various components on the housing 100.

[0075] Reference Figures 1 to 13 In some embodiments, the number of second clamping parts 210 that can be clamped with the first clamping part 110 in each clamping assembly is two, so that when installing the oil guide ring 200, the rotating part can be rotated to be clamped with any one of the two second clamping parts 210, making the installation of the oil guide ring 200 more convenient. In addition, in some embodiments, two groups of positioning assemblies can be provided, one group of positioning assemblies corresponds to one of the second clamping parts 210, and the other group of positioning assemblies corresponds to the other second clamping part 210. Therefore, when installing the oil guide ring 200, if the oil guide ring 200 and the casing 100 are positioned by the first group of positioning components, the rotating member 111 can be rotated to the second clamping portion 210 corresponding to the first group of positioning components for clamping. If the oil guide ring 200 and the casing 100 are positioned by the second group of positioning components, the rotating member 111 can be rotated to the second clamping portion 210 corresponding to the second group of positioning components for clamping. This makes the installation of the oil guide ring 200 more flexible and convenient.

[0076] It is understandable that, referring to Figures 1 to 13 In some embodiments, the second clamping portion 210 is provided with a clamping groove 211 that can be clamped with the rotating portion, and the periphery of the second clamping portion 210 is also provided with an opening 213 connected with the clamping groove 211. In each set of clamping components, the openings 213 of the two clamping grooves 211 are in opposite directions. Therefore, when installing the oil guide ring 200, the operator can choose to rotate the rotating member 111 in the direction he is accustomed to, providing the operator with a variety of operation options, making the installation of the oil guide ring 200 more convenient.

[0077] Reference Fig.14 and Fig.15 An embodiment of the utility model further provides a range hood 300, and the range hood 300 is provided with a fan of any of the above embodiments.

[0078] In the above structure, by setting the fan of any of the above embodiments, a clamping assembly is provided between the oil guide ring 200 of the fan and the housing 100, and the clamping assembly includes a first clamping portion 110 and a second clamping portion 210, and the first clamping portion 110 is rotatably mounted with a rotating member 111 that can be clamped with the second clamping portion 210, and one of the first clamping portion 110 and the second clamping portion 210 is provided on the housing 100, and the other is provided on the oil guide ring 200. Therefore, when installing the oil guide ring 200, it is only necessary to place the oil guide ring 200 at the air inlet 101 of the housing 100, and then rotate the rotating member 111 to be clamped with the second clamping portion 210, so that the oil guide ring 200 can be installed on the housing 100; when removing the oil guide ring 200, it is only necessary to rotate the rotating member 111 to be separated from the second clamping portion 210, so that the oil guide ring 200 can be removed. Compared with the prior art, during the installation and disassembly of the oil guide ring 200 of the fan of the utility model embodiment, there is no need to tighten the screws one by one, and it is only necessary to rotate the rotating part 111, which is simpler and more convenient to operate, improves the production efficiency of the fan, and thus improves the production efficiency of the range hood 300, and also facilitates the user to clean or repair the range hood 300.

[0079] Reference Fig.14 and Fig.15 In some embodiments, two fans are installed inside the range hood 300, thereby improving the oil fume extraction efficiency of the range hood 300.

[0080] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A fan, characterized in that: include: The housing (100) has an air inlet (101); An oil guide ring (200) is arranged at the air inlet (101); At least one set of clamping components, the clamping components comprising a first clamping portion (110) and a second clamping portion (210), the first clamping portion (110) being rotatably mounted with a rotating member (111) capable of being clamped with the second clamping portion (210), one of the first clamping portion (110) and the second clamping portion (210) being arranged on the housing (100), and the other being arranged on the oil guide ring (200).

2. The fan according to claim 1, characterized in that: The second clamping portion (210) is provided with a clamping slot (211) for engaging with the rotating member (111).

3. The fan according to claim 2, characterized in that: A limiting portion (212) is provided on the inner wall of the slot (211); the limiting portion (212) can be engaged with the rotating member (111) to limit the rotating member (111) from rotating relative to the second engaging portion (210) and moving out of the slot (211); and the limiting portion (212) can be disengaged from the rotating member (111) to enable the rotating member (111) to rotate relative to the second engaging portion (210) and move into or out of the slot (211).

4. The fan according to claim 3, characterized in that: The limiting portion (212) is a protruding portion provided on the inner wall of the clamping slot (211); The limiting portion (212) and / or the rotating member (111) are elastic members.

5. The fan according to claim 4, characterized in that: The first clamping portion (110) is provided on the housing (100), and the second clamping portion (210) is provided on the oil guide ring (200). The slot (211) is formed on a side surface of the second clamping portion (210) facing away from the housing (100); the limiting portion (212) is provided on the bottom wall of the slot (211); one end of the rotating member (111) is rotatably mounted on the first clamping portion (110); and the other end has an abutting column (112) capable of pressing against the bottom wall of the slot (211).

6. The fan according to claim 5, characterized in that: An opening (213) communicating with the clamping slot (211) is provided on the edge of the second clamping portion (210).

7. The fan according to claim 6, characterized in that: An end of the card slot (211) close to the opening (213) is an outer end, and an end of the card slot (211) away from the opening (213) is an inner end. The height of the bottom wall of the card slot (211) gradually increases from the outer end to the limiting portion (212), and the height of the bottom wall of the card slot (211) gradually decreases from the limiting portion (212) to the inner end.

8. The fan according to claim 1, characterized in that: At least one set of positioning components is arranged between the oil guide ring (200) and the housing (100), the positioning component comprising a first positioning portion (120) and a second positioning portion (220) which can cooperate with each other for positioning, one of the first positioning portion (120) and the second positioning portion (220) being arranged on the housing (100), and the other being arranged on the oil guide ring (200).

9. The fan according to claim 8, characterized in that: The second positioning portion (220) is provided with a positioning groove (221) for matingly plugging with the first positioning portion (120).

10. A range hood (300), characterized in that: A fan as claimed in any one of claims 1 to 9 is provided.

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