Fan

By setting a transition connector between the fan blades of the fan and the magnetic ring, and using the structure of magnetic parts and buckle blocks, the disassembly connection of the fan blades and the transition connector can solve the problem that the existing fan blades are difficult to clean. The convenient cleaning of the fan blades and the guarantee of wind output.

CN222415286UActive Publication Date: 2025-01-28FOSHAN SHUNDE JOSINTECH ELECTRICAL APPLIANCE TECH CO LTD
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Patent Information

Application Number
CN202420053270.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-09
Publication Date
2025-01-28
Estimated Expiration
2034-01-09

AI Technical Summary

Technical Problem

The fan blades of existing external rotor motor-type fans are fixedly installed with the magnetic ring, making it difficult to disassemble and clean the fan blades.

Method used

Design a fan that sets a transition connector between the fan blades and the magnetic ring, and the fan blades and the transition connector can be removed through the structure of magnetic parts and buckle blocks.

Benefits of technology

The convenient separation between the fan blades and the magnetic ring is convenient to clean the fan's leaves while ensuring the output of the wind.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fan which comprises a fan head, the fan head comprises a motor assembly and fan blades, the motor assembly comprises a stator and a rotor, the stator is fixedly arranged on the fan head, and the rotor is rotatably installed on the fan head and can rotate around the stator. The rotor comprises a magnetic ring and a transition connecting piece, the transition connecting piece is fixedly installed on the magnetic ring, and the fan blades are detachably connected with the transition connecting piece. According to the fan, the fan blades can be conveniently separated from the magnetic ring, and the fan blades can be conveniently cleaned.
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Description

Technical Field

[0001] The utility model belongs to the technical field of household appliances, and particularly relates to a fan. Background Art

[0002] Fans are a kind of household appliances commonly used in people's lives. They are mainly used for cooling down and circulating air. They are commonly found in homes, classrooms, offices, shops and other places. The existing fan structures are divided into inner rotor motor type fans and outer rotor motor type fans. In the existing outer rotor motor type fans, the magnetic ring is directly pressed into the fan blades, so that the rotor and the fan blades are integrated, and the fan blades are fixed on the fan head. The fan blades cannot be disassembled, making it inconvenient to clean the fan blades. Utility Model Content

[0003] 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, which can conveniently separate the fan blades from the magnetic ring, so as to facilitate cleaning of the fan blades.

[0004] A fan according to an embodiment of the utility model includes: a fan head, the fan head includes a motor assembly and fan blades, the motor assembly includes a stator and a rotor, the stator is fixedly arranged on the fan head, the rotor is rotatably mounted on the fan head and the rotor can rotate around the stator, the rotor includes a magnetic ring and a transition connecting piece, the transition connecting piece is fixedly mounted on the magnetic ring, and the fan blades are detachably connected to the transition connecting piece.

[0005] A fan according to an embodiment of the utility model has at least the following technical effects: by setting a transition connector between the magnetic ring and the fan blades, and detachably connecting the fan blades and the transition connector, the traditional fixed installation method of the fan blades and the magnetic ring is avoided, so that the fan can more conveniently separate the fan blades from the magnetic ring, thereby facilitating the cleaning of the fan blades.

[0006] According to some embodiments of the utility model, a mounting rod is fixedly arranged on the fan head, the stator is fixedly arranged on the mounting rod, the transition connector is cylindrical and fixedly arranged on the outside of the magnetic ring, the transition connector is rotatably connected to the end of the mounting rod, and the magnetic ring is rotatably sleeved on the stator. Since the transition connector is rotatably connected to the end of the mounting rod and the transition connector is fixedly arranged on the outside of the magnetic ring, the rotor can rotate relative to the mounting rod.

[0007] According to some embodiments of the utility model, the fan blade includes a cylindrical mounting cover, and the mounting cover is detachably sleeved with the transition connector. The detachable sleeve connection between the mounting cover and the transition connector enables the fan blade to be disassembled for easy cleaning.

[0008] According to some embodiments of the utility model, the mounting cover is provided with a magnetic member, and the transition connector is provided with a magnetic member, and the magnetic member can cooperate with the magnetic member to be magnetically attracted. The cooperation between the magnetic member and the magnetic member can conveniently connect or separate the fan blade and the transition connector.

[0009] According to some embodiments of the utility model, the outer diameter of the transition connector is slightly larger than the inner diameter of the mounting cover, and the transition connector can be detachably interference fit with the mounting cover. The detachable interference fit between the transition connector and the mounting cover can conveniently connect or separate the fan blade and the transition connector.

[0010] According to some embodiments of the utility model, a plurality of buckle blocks are provided on the circumferential inner wall of the mounting cover, and a plurality of buckle grooves are provided on the transition connector, and the buckle blocks can be detachably engaged with the buckle grooves. The detachable engagement of the buckle blocks with the buckle grooves can conveniently connect or separate the fan blades and the transition connector.

[0011] According to some embodiments of the utility model, a screw is provided on the end surface of the mounting cover, a through hole is provided on the end surface of the mounting cover to cooperate with the screw, and a locking nut is provided on the screw to cooperate with the end surface of the mounting cover to lock. The cooperation of the screw, the through hole and the locking nut can conveniently connect or separate the fan blade and the transition connector.

[0012] According to some embodiments of the utility model, a rotation limiting mechanism is further provided between the mounting cover and the transition connector, and the rotation limiting mechanism can limit the mounting cover from rotating relative to the transition connector. The rotation limiting mechanism prevents the blades from rotating relative to the transition connector when the fan blades rotate, thereby ensuring wind force and further preventing the blades from separating from the transition connector when the fan is in use.

[0013] According to some embodiments of the utility model, the rotation limiting mechanism includes a plurality of limiting convex points and a plurality of limiting concave points, wherein the plurality of limiting convex points are arranged on the inner end wall of the mounting cover and are perpendicular to the rotation plane of the fan blade, and the plurality of limiting concave points are arranged on the transition connecting piece, and the limiting convex points cooperate with the limiting concave points. The cooperation between the limiting convex points and the limiting concave points prevents the fan blade and the transition connecting piece from rotating relative to each other.

[0014] According to some embodiments of the utility model, the rotation limiting mechanism includes a plurality of positioning ribs and a plurality of positioning grooves, wherein the plurality of positioning ribs are arranged on the circumferential inner wall of the mounting cover and are perpendicular to the rotation plane of the fan blade, and the plurality of positioning grooves are arranged on the transition connector, and the positioning ribs cooperate with the positioning grooves. The cooperation between the positioning ribs and the positioning grooves prevents the fan blade and the transition connector from rotating relative to each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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:

[0016] Figure 1 It is an explosion diagram of an embodiment of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0018] Figure 3 A schematic diagram of a rotor according to an embodiment of the present utility model;

[0019] Figure 4 A schematic diagram of a fan blade according to an embodiment of the utility model;

[0020] Figure 5 This is one of the schematic diagrams of the separation of the rotor and the fan blades in the embodiment of the utility model;

[0021] Figure 6 This is the second schematic diagram of the separation of the rotor and the fan blades according to the embodiment of the utility model.

[0022] Reference numerals:

[0023] 101. Fan head; 102. Fan blades; 103. Front mesh shell; 104. Rear mesh shell; 105. Stator; 106. Magnetic ring; 107. Transition connector; 108. Mounting rod; 109. Mounting cover; 110. Magnetic part; 111. Magnetic attraction part; 112. Buckle block; 113. Buckle groove; 114. Screw; 115. Through hole; 116. Locking nut; 117. Limiting convex point; 118. Limiting concave point; 119. Positioning rib; 120. Positioning groove; 121. Base; 122. Upper clamping part; 123. Lower clamping part. DETAILED DESCRIPTION

[0024] 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.

[0025] 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.

[0026] 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.

[0027] 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.

[0028] Reference below Figures 1 to 6 A fan according to an embodiment of the utility model is described.

[0029] like Figure 1 and Figure 2 As shown, a fan according to an embodiment of the utility model comprises: a fan head 101, the fan head 101 comprises a motor assembly and a fan blade 102, the motor assembly comprises a stator 105 and a rotor, the stator 105 is fixedly arranged on the fan head 101, the rotor is rotatably mounted on the fan head 101 and the rotor can rotate around the stator 105, the rotor comprises a magnetic ring 106 and a transition connector 107, the transition connector 107 is fixedly mounted on the magnetic ring 106, and the fan blade 102 is detachably connected to the transition connector 107. By arranging the transition connector 107 between the magnetic ring 106 and the fan blade 102, and detachably connecting the fan blade 102 to the transition connector 107, the conventional fixed installation method of the fan blade 102 and the magnetic ring 106 is avoided, so that the fan can more conveniently separate the fan blade 102 from the magnetic ring 106, thereby facilitating the cleaning of the fan blade 102.

[0030] In some specific embodiments of the present utility model, a mounting rod 108 is fixedly provided on the fan head 101, the stator 105 is fixedly provided on the mounting rod 108, the transition connector 107 is cylindrical and fixedly provided on the outside of the magnetic ring 106, the transition connector 107 is rotatably connected to the end of the mounting rod 108, and the magnetic ring 106 is rotatably sleeved on the stator 105. Since the transition connector 107 is rotatably connected to the end of the mounting rod 108 and the transition connector 107 is fixedly provided on the outside of the magnetic ring 106, the rotor can rotate relative to the mounting rod 108.

[0031] like Figure 3 and Figure 4As shown, in some specific embodiments of the present invention, the fan blade 102 includes a cylindrical mounting cover 109, and the mounting cover 109 is detachably connected to the transition piece 107. The detachable connection between the mounting cover 109 and the transition piece 107 allows the fan blade 102 to be disassembled for easy cleaning.

[0032] In some specific embodiments of the utility model, a magnetic member 110 is provided on the mounting cover 109, and the magnetic member 110 is a circular magnet disposed on the end surface of the mounting cover 109. A magnetic attraction member 111 is provided on the transition connector 107, and the magnetic attraction member 111 is a circular iron sheet disposed on the end surface of the transition connector 107. The magnetic member 110 can cooperate with the magnetic attraction member 111 for magnetic attraction. The cooperation between the magnetic member 110 and the magnetic attraction member 111 can conveniently connect or separate the fan blade 102 and the transition connector 107.

[0033] In some specific embodiments of the present invention, the outer diameter of the transition piece 107 is slightly larger than the inner diameter of the mounting cover 109, and the transition piece 107 can be detachably interference fit with the mounting cover 109. The detachable interference fit between the transition piece 107 and the mounting cover 109 can conveniently connect or separate the fan blade 102 and the transition piece 107.

[0034] like Figure 5 As shown, in some specific embodiments of the utility model, a plurality of buckle blocks 112 are provided on the circumferential inner wall of the mounting cover 109, and the plurality of buckle blocks 112 are evenly arranged on the circumferential inner wall of the mounting cover 109. A plurality of buckle grooves 113 are provided on the transition connector 107, and the plurality of buckle grooves 113 are evenly arranged on the circumferential outer wall of the transition connector 107. The buckle blocks 112 can be detachably engaged with the buckle grooves 113. The detachable engagement of the buckle blocks 112 with the buckle grooves 113 can conveniently connect or separate the fan blade 102 and the transition connector 107.

[0035] like Figure 6 As shown, in some specific embodiments of the utility model, a screw 114 is provided on the end surface of the mounting cover 109, a through hole 115 is provided on the end surface of the mounting cover 109 to cooperate with the screw 114, and a locking nut 116 is provided on the screw 114 to cooperate and lock with the end surface of the mounting cover 109. The cooperation of the screw 114, the through hole 115 and the locking nut 116 can conveniently connect or separate the fan blade 102 and the transition connector 107.

[0036] In some specific embodiments of the present invention, a rotation limiting mechanism is further provided between the mounting cover 109 and the transition piece 107, and the rotation limiting mechanism can limit the rotation of the mounting cover 109 relative to the transition piece 107. The rotation limiting mechanism prevents the relative rotation between the fan blades 102 and the transition piece 107 when the fan blades 102 rotate, thereby ensuring the wind force, and further preventing the fan blades 102 from being separated from the transition piece 107 when the fan is in use.

[0037] In some specific embodiments of the utility model, the rotation limiting mechanism includes a plurality of limiting convex points 117 and a plurality of limiting concave points 118, wherein the plurality of limiting convex points 117 are arranged on the inner end wall of the mounting cover 109 and are perpendicular to the rotation plane of the fan blade 102, the plurality of limiting convex points 117 are evenly distributed circumferentially on the inner end wall of the mounting cover 109, the plurality of limiting concave points 118 are arranged on the transition connector 107, the plurality of limiting concave points 118 are evenly distributed circumferentially on the outer end surface of the transition connector 107, and the limiting convex points 117 cooperate with the limiting concave points 118. The cooperation between the limiting convex points 117 and the limiting concave points 118 prevents the fan blade 102 and the transition connector 107 from rotating relative to each other.

[0038] In some specific embodiments of the present utility model, the rotation limiting mechanism includes a plurality of positioning ribs 119 and a plurality of positioning grooves 120. The plurality of positioning ribs 119 are arranged on the circumferential inner wall of the mounting cover 109 and are perpendicular to the rotation plane of the fan blade 102. The plurality of positioning grooves 120 are arranged on the transition connector 107. The positioning ribs 119 cooperate with the positioning grooves 120. The cooperation between the positioning ribs 119 and the positioning grooves 120 prevents the fan blade 102 and the transition connector 107 from rotating relative to each other.

[0039] In some specific embodiments of the present invention, the fan further includes a base 121, which is a clampable base. The base 121 includes an upper clamping member 122 and a lower clamping member 123, and the fan can be clamped to a desired place for use, such as a tableside or bedside where it cannot be placed, for easy use.

[0040] In some specific embodiments of the present invention, the lower surface of the lower clamping member 123 is a plane, so that the fan can be directly placed on a plane for use.

[0041] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] Of course, the invention is not limited to the above-mentioned embodiments, and those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the invention, and these equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A fan, characterized in that: include: A fan head (101), the fan head (101) comprising a motor assembly and fan blades (102), the motor assembly comprising a stator (105) and a rotor, the stator (105) being fixedly arranged on the fan head (101), the rotor being rotatably mounted on the fan head (101) and being capable of rotating around the stator (105), the rotor comprising a magnetic ring (106) and a transition connector (107), the transition connector (107) being fixedly mounted on the magnetic ring (106), and the fan blades (102) being detachably connected to the transition connector (107).

2. A fan according to claim 1, characterized in that: A mounting rod (108) is fixedly arranged on the fan head (101), the stator (105) is fixedly arranged on the mounting rod (108), the transition connecting piece (107) is cylindrical and fixedly arranged on the outside of the magnetic ring (106), the transition connecting piece (107) is rotatably connected to the end of the mounting rod (108), and the magnetic ring (106) is rotatably sleeved on the stator (105).

3. A fan according to claim 2, characterized in that: The fan blade (102) comprises a cylindrical mounting cover (109), and the mounting cover (109) is detachably sleeved with the transition connector (107).

4. A fan according to claim 3, characterized in that: The installation cover (109) is provided with a magnetic component (110), and the transition connection component (107) is provided with a magnetic attraction component (111), and the magnetic component (110) can cooperate with the magnetic attraction component (111) for magnetic attraction.

5. A fan according to claim 3, characterized in that: The outer diameter of the transition piece (107) is greater than the inner diameter of the mounting cover (109), and the transition piece (107) can be detachably interference-fitted with the mounting cover (109).

6. A fan according to claim 3, characterized in that: A plurality of snap-in blocks (112) are arranged on the circumferential inner wall of the mounting cover (109), and a plurality of snap-in grooves (113) are arranged on the transition connector (107). The snap-in blocks (112) can be detachably snap-connected with the snap-in grooves (113).

7. A fan according to claim 3, characterized in that: A screw rod (114) is arranged on the end surface of the mounting cover (109), a through hole (115) cooperating with the screw rod (114) is arranged on the end surface of the mounting cover (109), and a locking nut (116) capable of cooperating and locking with the end surface of the mounting cover (109) is arranged on the screw rod (114).

8. A fan according to claim 3, characterized in that: A rotation limiting mechanism is also provided between the installation cover (109) and the transition connection piece (107), and the rotation limiting mechanism can limit the installation cover (109) from rotating relative to the transition connection piece (107).

9. A fan according to claim 8, characterized in that: The rotation limiting mechanism comprises a plurality of limiting protrusions (117) and a plurality of limiting recesses (118), wherein the plurality of limiting protrusions (117) are arranged on the inner end wall of the mounting cover (109) and are perpendicular to the rotation plane of the fan blade (102), and the plurality of limiting recesses (118) are arranged on the transition connecting piece (107), and the limiting protrusions (117) cooperate with the limiting recesses (118).

10. The fan according to claim 8, characterized in that: The rotation limiting mechanism includes a plurality of positioning ribs (119) and a plurality of positioning grooves (120), wherein the plurality of positioning ribs (119) are arranged on the circumferential inner wall of the mounting cover (109) and are perpendicular to the rotation plane of the fan blade (102), and the plurality of positioning grooves (120) are arranged on the transition connector (107), and the positioning ribs (119) cooperate with the positioning grooves (120).