Fan

Abstract

The utility model provides a fan which comprises a machine head and a fan head, and the machine head is provided with a first buckle structure. The fan head is detachably connected to the machine head, and the fan head is provided with a second buckle structure; the second buckle structure can be selectively located at a locking position or an unlocking position; when the fan head is connected to the machine head and the second buckle structure is located at the locking position, the machine head is at least partially embedded in the fan head, the second buckle structure and the first buckle structure are clamped and fixed, and when the second buckle structure is located at the unlocking position, the machine head is at least partially embedded in the fan head. And the fan head can be separated from the machine head. Therefore, the fan head can be freely separated from the machine head; and when the fan head needs to be mounted, the fan head only needs to be aligned with the first buckle structure and moved, so that the second buckle structure enters the locking position, and a user can easily mount or dismount the fan head from the machine head without using a tool.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and in particular to a fan. Background Art

[0002] The fan has the function of accelerating air flow. However, in the related art, the fan head and the machine head of the fan are generally connected by screws, which makes the disassembly of the fan more complicated. Utility Model Content

[0003] The embodiment of the present invention provides a fan to improve at least one of the above problems.

[0004] The embodiments of the present invention achieve the above-mentioned objectives through the following technical solutions.

[0005] An embodiment of the present utility model provides a fan, which includes a head and a fan head, the head being provided with a first snap structure; the fan head being detachably connected to the head, the fan head being provided with a second snap structure; the second snap structure being selectively in a locked position or an unlocked position; when the fan head is connected to the head and the second snap structure is in the locked position, the head is at least partially embedded in the fan head, the second snap structure is engaged and fixed with the first snap structure, and when the second snap structure is in the unlocked position, the fan head can be separated from the head.

[0006] In some embodiments, the first snap-fit ​​structure is a snap-fit ​​slot, the second snap-fit ​​structure is a snap-fit ​​protrusion, the snap-fit ​​slot is provided with an opening, and the opening is used for the snap-fit ​​protrusion to be placed in the snap-fit ​​slot; the snap-fit ​​slot extends along the circumference of the machine head.

[0007] In some embodiments, the opening faces the fan head.

[0008] In some embodiments, the width of the opening is greater than the width of the protrusion.

[0009] In some embodiments, the latching protrusion is provided with a center hole, and the axial direction of the center hole is consistent with the radial direction of the fan head.

[0010] In some embodiments, the head includes a casing, the outer periphery of the casing is provided with the first snap-fit ​​structure, the fan head includes a rear net, the rear net has a receiving slot, the rear net is provided with the second snap-fit ​​structure, the second snap-fit ​​structure is located in the receiving slot, and when the fan head is connected to the head, the casing is at least partially located in the receiving slot.

[0011] In some embodiments, the number of the first snap-fit ​​structures and the number of the second snap-fit ​​structures are both plural, and the plurality of second snap-fit ​​structures correspond one-to-one to the plurality of first snap-fit ​​structures.

[0012] In some embodiments, the fan further includes a transmission module, and when the fan head is connected to the machine head, the machine head can drive the blades of the fan head to rotate through the transmission module.

[0013] In some embodiments, the transmission module is detachably connected to the fan head and the machine head.

[0014] In the fan provided by the embodiment of the present invention, the fan includes a head and a fan head, the head is provided with a first snap-fit ​​structure; the fan head is detachably connected to the head, and the fan head is provided with a second snap-fit ​​structure; the second snap-fit ​​structure can be selectively in a locked position or an unlocked position; when the fan head is connected to the head and the second snap-fit ​​structure is in the locked position, the head is at least partially embedded in the fan head, the second snap-fit ​​structure is engaged and fixed with the first snap-fit ​​structure, and when the second snap-fit ​​structure is in the unlocked position, the fan head can be separated from the head. In this way, when the second snap-fit ​​structure is in the unlocked position, the fan head can be freely separated from the head; and when installation is required, it is only necessary to align the first snap-fit ​​structure and move the fan head so that the second snap-fit ​​structure enters the locked position, so that the user can easily install or remove the fan head from the head without using tools, which greatly simplifies the maintenance process and improves efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the present application, the following is a brief introduction to the drawings required for use in the implementation. Obviously, the drawings described below are only some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0016] Figure 1 A schematic structural diagram of a fan provided in an embodiment of the present utility model is shown.

[0017] Figure 2 Shown Figure 1 Schematic diagram of the structure of the center and rear net.

[0018] Figure 3 Shown Figure 1 Schematic diagram of the structure of the middle machine head.

[0019] Figure 4 Shown Figure 1 Schematic diagram of the fan structure.

[0020] Description of Figure Numbers:

[0021] Fan 10 , head 100 , first snap-fit ​​structure 110 , opening 120 , housing 130 , fan head 200 , second snap-fit ​​structure 210 , center hole 220 , rear net 230 , receiving slot 240 , opening 250 , transmission module 300 . DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of the utility model.

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the utility model.

[0024] See also Figures 1 to 4 , an embodiment of the present invention proposes a fan 10, which includes a head 100 and a fan head 200, wherein the head 100 is provided with a first snap structure 110; the fan head 200 is detachably connected to the head 100, and the fan head 200 is provided with a second snap structure 210; the second snap structure 210 can be selectively in a locked position or an unlocked position; when the fan head 200 is connected to the head 100 and the second snap structure 210 is in the locked position, the head 100 is at least partially embedded in the fan head 200, and the second snap structure 210 is engaged and fixed with the first snap structure 110, and when the second snap structure 210 is in the unlocked position, the fan head 200 can be separated from the head 100. In this way, when the second snap-fit ​​structure 210 is in the unlocked position, the fan head 200 can be freely separated from the machine head 100; and when installation is required, it is only necessary to align the first snap-fit ​​structure 110 and move the fan head 200 so that the second snap-fit ​​structure 210 enters the locked position, so that the user can easily install or remove the fan head 200 from the machine head 100 without using tools, which greatly simplifies the maintenance process and improves efficiency.

[0025] In addition, when the fan head 200 is connected to the head 100 , the head 100 is at least partially embedded in the fan head 200 , so that the head 100 and the fan head 200 can be matched more compactly, thereby helping to reduce the overall volume of the fan 10 .

[0026] In some embodiments, the first snap-fit ​​structure 110 is a snap-fit ​​slot, the second snap-fit ​​structure 210 is a snap-fit ​​protrusion, the snap-fit ​​slot is provided with an opening 120 , and the opening 120 is used for the snap-fit ​​protrusion to be inserted into the snap-fit ​​slot; the snap-fit ​​slot extends along the circumference of the nose 100 .

[0027] A card slot extending in the circumferential direction is provided on the outer surface of the handpiece 100 . The card slot has a certain depth and is provided with an opening 120 so that the card protrusion can be smoothly inserted.

[0028] In this way, the fan 10 with the slot and cam design not only provides a stable connection, but also greatly improves the user's convenience and safety, while also performing well in terms of aesthetics and maintenance.

[0029] In some embodiments, when the fan head 200 is connected to the head 100, the latching protrusion can rotate and move within the latching slot. When the latching protrusion is rotated to the locked position within the latching slot, the latching protrusion engages with the wall stop within the latching slot. When the latching protrusion is rotated to the unlocked position within the latching slot, the latching protrusion can rotate and move within the latching slot.

[0030] In some embodiments, the opening 120 faces the fan head 200. When the fan head 200 is close to the head 100, the latch can naturally slide along the opening 120 into the slot. Thus, the design of the opening 120 facing the fan head 200 allows the latch to directly enter the slot, reducing the time for adjustment and calibration.

[0031] In some embodiments, the width of the opening 120 is greater than the width of the latching protrusion. This provides a wider tolerance, eliminating the need for precise alignment of the slot and the latching protrusion during installation. This makes it easier for the latching protrusion to align and smoothly enter the slot. This also simplifies the installation process and speeds up installation, significantly reducing the operational complexity for users unfamiliar with mechanical structures.

[0032] Moreover, the larger width of the opening 120 allows the latch to slide into the slot more quickly and easily, reducing the time for adjustment and calibration, thereby helping to improve the assembly efficiency between the fan head 200 and the machine head 100 .

[0033] In some embodiments, the latching projection is provided with a center hole 220, the axial direction of which aligns with the radial direction of the fan head 200. The provision of the center hole 220 in the latching projection reduces shrinkage stress during cooling, thereby avoiding deformation caused by uneven internal stress. This helps prevent shrinkage deformation of the latching projection during the injection molding process. Furthermore, the provision of the center hole 220 reduces material usage without compromising structural strength. This reduces production costs and overall weight, improving the product's affordability and portability.

[0034] In some embodiments, the head 100 includes a housing 130, the outer periphery of which is provided with the first snap-fit ​​structure 110. The fan head 200 includes a rear mesh 230, the rear mesh 230 having a receiving slot 240, and the rear mesh 230 is provided with a second snap-fit ​​structure 210. The second snap-fit ​​structure 210 is located in the receiving slot 240. When the fan head 200 is connected to the head 100, the housing 130 is at least partially located in the receiving slot 240. The receiving slot 240 may extend radially along the fan head 200, and the housing 130 may be partially inserted into the receiving slot 240. Thus, when the fan head 200 is connected to the head 100, the housing 130 is at least partially located in the receiving slot 240 of the rear mesh 230. This nested design reduces the overall volume, making the fan 10 appear simpler and more compact. In addition, the housing 130 is partially located in the receiving groove 240, which increases the contact area and stability; the design of the snap-fit ​​structure ensures the firmness of the connection.

[0035] In some embodiments, the number of the first snap-fit ​​structures 110 and the number of the second snap-fit ​​structures 210 are both plural, and the plurality of second snap-fit ​​structures 210 correspond one-to-one to the plurality of first snap-fit ​​structures 110 .

[0036] This multi-point connection distribution makes the force more evenly distributed, reducing stress concentration at a single connection point. Even if one clip structure becomes slightly loose, the other clip structures can still maintain overall stability.

[0037] In addition, multi-point connection disperses the effects of external forces, reduces the risk of breakage of a single snap-on structure, enhances the reliability of the connection, and extends the service life of the product.

[0038] In some embodiments, the fan 10 further includes a transmission module 300. When the fan head 200 is connected to the head 100, the head 100 can drive the blades of the fan head 200 to rotate through the transmission module 300. The head 100 includes a housing 130, which is the outer shell of the head 100 and contains a motor, circuits, and other components. The motor is located inside the housing 130 and provides rotational power. The fan 10 has blades. The transmission module 300 may include a transmission shaft and bearings. The transmission module 300 may be connected to the rear mesh 230 of the fan 10 via a bearing. The transmission shaft may be connected to the blades. The output shaft of the motor may be connected to the transmission shaft via a coupling to drive the blades to rotate. In this way, the transmission module 300 is designed as a modular structure, making it easy to install and disassemble.

[0039] In some embodiments, the transmission module 300 is detachably connected to the fan head 200 and the machine head 100. One end of the transmission shaft can be threadedly connected to the fan blade, and the other end can be coupled to a coupling. In this way, the transmission module 300 can be disassembled independently, and the user or maintenance personnel can easily remove it from the fan head 200 and the machine head 100 for inspection, cleaning, or replacement. When a component in the transmission module 300 (transmission shaft, bearing) fails, only the module needs to be disassembled and replaced without disassembling the entire fan 10.

[0040] Based on the above embodiments, the present invention proposes a fan 10 that significantly improves user convenience and product reliability through its innovative snap-fit ​​structure and modular design. Specifically, the handpiece 100 and fan head 200 are connected via a multi-point snap-fit ​​structure, with the first snap-fit ​​structure 110 being a slot and the second snap-fit ​​structure 210 being a protrusion. The slot has an opening 120 and is wider than the protrusion, making installation simpler and faster, reducing alignment difficulty and adjustment time. A center hole 220 is provided in the protrusion, effectively preventing shrinkage deformation during the injection molding process and reducing overall weight. The rear grille 230 of the fan head 200 features a receiving slot 240, into which the housing 130 partially fits, enhancing the stability and compactness of the connection. The open opening 250 of the receiving slot 240 further simplifies installation. The transmission module 300 utilizes a modular design and can be detachably connected to the fan head 200 and handpiece 100, facilitating maintenance and replacement, improving repair efficiency and reducing costs.

[0041] In utility models, unless otherwise expressly specified or limited, terms such as "mounted" and "connected" should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integral connections; mechanical connections; direct connections, indirect connections through an intermediary, internal communication between two components, surface contact only, or surface contact through an intermediary. Those skilled in the art will understand the specific meanings of these terms in utility models based on the specific circumstances.

[0042] In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as a specific reference or special structure. The description of the term "some embodiments" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the utility model, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in the utility model and the features of different embodiments or examples, unless they are contradictory.

[0043] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model, and should all be included in the scope of protection of the utility model.

Claims

1. A fan, characterized in that: include: A handpiece, wherein the handpiece is provided with a first buckle structure; as well as A fan head, the fan head is detachably connected to the machine head, and the fan head is provided with a second snap-fit ​​structure; the second snap-fit ​​structure can be selectively in a locked position or an unlocked position; when the fan head is connected to the machine head and the second snap-fit ​​structure is in the locked position, the machine head is at least partially embedded in the fan head, the second snap-fit ​​structure is engaged and fixed with the first snap-fit ​​structure, and when the second snap-fit ​​structure is in the unlocked position, the fan head can be separated from the machine head.

2. The fan according to claim 1, wherein The first snap-fit ​​structure is a snap-fit ​​groove, the second snap-fit ​​structure is a snap-fit ​​protrusion, the snap-fit ​​groove is provided with an opening, and the opening is used for the snap-fit ​​protrusion to be placed in the snap-fit ​​groove; the snap-fit ​​groove extends along the circumference of the machine head.

3. The fan according to claim 2, characterized in that The opening faces the fan head.

4. The fan according to claim 2, characterized in that The width of the opening is greater than the width of the protrusion.

5. The fan according to claim 2, characterized in that The clamping protrusion is provided with a center hole, and the axial direction of the center hole is consistent with the radial direction of the fan head.

6. The fan according to claim 1, wherein The head includes a casing, and the first snap-fit ​​structure is provided on the outer periphery of the casing. The fan head includes a rear net, and the rear net has a receiving groove. The rear net is provided with the second snap-fit ​​structure, and the second snap-fit ​​structure is located in the receiving groove. When the fan head is connected to the head, the casing is at least partially located in the receiving groove.

7. The fan according to claim 1, wherein The number of the first snap-fit ​​structures and the number of the second snap-fit ​​structures are both plural, and the plurality of second snap-fit ​​structures correspond one-to-one to the plurality of first snap-fit ​​structures.

8. The fan according to claim 1, wherein The fan further comprises a transmission module. When the fan head is connected to the machine head, the machine head can drive the blades of the fan head to rotate through the transmission module.

9. The fan according to claim 8, characterized in that The transmission module is detachably connected to the fan head and the machine head.

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