A fan with quick release locking mechanism

Abstract

The utility model relates to fan parts field, concretely relates to a fan with quick detach locking mechanism. The fan includes fixed disc and blade that can be radially inserted, mainly relates to the quick detach locking mechanism of fixed disc. The quick detach locking mechanism mainly includes connecting seat, locking piece, driving part and first elastic part, through the direct operation of driving part or the passive trigger of blade insertion, the blade is fixed in the fixed disc easily, realizes the quick locking of blade, and can drive driving part quick unlocking in the unlocking process. Wherein the locking piece can be locked on the clamping part in the plug -in part by lever principle to reach the locking purpose, and the scheme has the beneficial effects of operating labor -saving quick, connecting firm and reliable and the smooth operation, solves the problem that the prior art is laborious in the dismounting operation process, and the connection reliability is insufficient and easy to fail.

Description

Technical Field

[0001] This utility model relates to the field of fan components, specifically to a fan with a quick-release locking mechanism. Background Technology

[0002] To save on transportation and packaging costs, manufacturers design fans with detachable structures for packaging and shipping. The connection between the blades and the mounting plate is the most crucial assembly step. Common connection methods rely on threaded fastening, but this assembly process is cumbersome and inconvenient during assembly or cleaning, and the threads are prone to stripping after repeated disassembly and reassembly, leading to a decrease in connection effectiveness.

[0003] Chinese utility model patent application number "202321414535.4" discloses a quick-installation and disassembly structure for fan blades and a technical solution for a ceiling fan. The solution involves a socket at the insertion end of the fan blades that elastically engages with radial spring pieces within the mounting plate. The fan blades can be installed and removed by pushing and pulling with a hand. While this solution improves the speed of installation and disassembly, it also faces problems such as laborious disassembly and the risk of deformation and failure of the radial spring pieces during reverse pulling.

[0004] In summary, existing technologies suffer from drawbacks such as laborious operation and easy connection failure. To address these technical problems, this utility model is specifically proposed. Utility Model Content

[0005] This utility model provides a fan with a quick-release locking mechanism to solve the problems of cumbersome operation, insufficient reliability, and inconvenient disassembly and assembly in existing blade connection methods. The fan includes a fixed plate and radially insertable blades, and mainly relates to the quick-release locking mechanism located on the fixed plate. This quick-release locking mechanism mainly includes a connecting seat, a locking element, a driving element, and a first elastic element. Through direct operation of the driving element or passive triggering during blade insertion, the blades are easily fixed in the fixed plate, achieving quick locking of the blades; and during the unlocking process, the driving element can be driven to quickly unlock. The locking element utilizes a lever principle to lock onto the snap-fit ​​portion in the insertion part to achieve the locking purpose. The technical solution of this application has the beneficial effects of labor-saving and quick operation, firm and reliable connection, and stable operation.

[0006] To solve the above-mentioned technical problems, this utility model proposes a fan with a quick-release locking mechanism, including a fixed plate and blades. The fixed plate is characterized by having multiple slots for inserting the blades radially along the fixed plate, and each blade having an insertion portion at its end, the insertion portion having a locking portion that engages with the fixed plate. The fixed plate is provided with multiple quick-release locking mechanisms, including:

[0007] The connector is fixedly connected to the fixed plate.

[0008] A locking member is movably connected to a connector and has a driving end and a locking end facing each other; the locking end is operable to engage or disengage from the engaging portion of the connector, thereby giving the locking member a locked position in locking the connector and an unlocked position in releasing the connector; the locking member is normally positioned in the locked position.

[0009] The driving component is movably sleeved on the connecting seat and drivenly connected to the driving end of the locking component;

[0010] A first elastic element is disposed between the driving member and the connecting seat, providing the driving member with a tendency to reset towards the first position;

[0011] When the driving member is subjected to an external operating force and overcomes the action of the first elastic member, it moves from the first position to the second position. The driving member drives the locking end of the locking member to disengage from the latching part, and moves the locking member to the unlocked position, so as to realize the unlocked state of the quick-release locking mechanism. When the external operation is cancelled, the first elastic member drives the driving member to reset from the second position to the first position, and drives the locking member to return to the locked position, so as to realize the locked state of the quick-release locking mechanism.

[0012] As described above, in a fan with a quick-release locking mechanism, the middle part of the locking member is hinged to the connecting seat via a pivot point.

[0013] As described above, a fan with a quick-release locking mechanism is provided on the drive member, and the drive end of the locking member extends into the receiving hole and abuts against the groove wall of the receiving hole; when the drive member is subjected to force and moves, the drive end is driven through the groove wall of the receiving hole, so that the locking member swings around the swing fulcrum.

[0014] As described above, a fan with a quick-release locking mechanism further includes a stop member disposed in a connecting seat and sleeved on a driving member; a boss is provided in the inner cavity of the connecting seat, and the stop member is located between the boss and the driving end of the locking member; the stop member is configured such that, during the reset process of the driving member, it abuts against the driving end of the locking member to guide the locking member from the unlocked position to the locked position, and forms a stable mechanical limit for the driving end in the locked position.

[0015] As described above, in a fan with a quick-release locking mechanism, the connecting seat is in the shape of a hollow tube, and the driving component is slidably fitted into the inner cavity of the connecting seat.

[0016] As described above, a fan with a quick-release locking mechanism has a cover plate at the top of the connecting seat through which the drive member can pass, and the first elastic member is sleeved on the drive member with its two ends abutting against the cover plate and the drive member, respectively.

[0017] As described above, in a fan with a quick-release locking mechanism, the bottom of the connecting seat has a clearance space for accommodating the switching position of the drive component. The first elastic element is disposed in the clearance space, and the drive component can compress the clearance space when it overcomes the force of the first elastic element.

[0018] As described above, in a fan with a quick-release locking mechanism, one of the blade insertion portion and the fixing plate is provided with a guide protrusion, and the other is provided with a corresponding sliding groove; the guide protrusion slides in conjunction with the sliding groove, and the length direction of the guide protrusion is consistent with the insertion direction of the blade.

[0019] As described above, a fan with a quick-release locking mechanism has two locking components, which are symmetrically arranged on the connecting seat.

[0020] As described above, a fan with a quick-release locking mechanism includes a pair of locking claws hinged to the insertion part, the locking claws being able to open and close and clamp onto the connecting seat; the locking part has a slot on the side facing the locking member.

[0021] Compared with the prior art, the fan with a quick-release locking mechanism of this utility model has the following advantages:

[0022] 1. This application includes a driving component, a locking component, and a first elastic component. The driving component, either directly operated or passively triggered during blade insertion, easily secures the blade to the fixed disc, achieving rapid blade locking. Furthermore, it can quickly unlock the driving component during the unlocking process. Its driving structure design ensures efficient force transmission, resulting in easy and labor-saving operation. The locking component utilizes a lever principle to lock onto the snap-fit ​​portion in the insertion part, making operation labor-saving and force transmission highly efficient.

[0023] 2. The design of the locking element around the swing fulcrum in this application makes the locking end of the locking element to the blade engagement part a lateral locking fit. When the blade is subjected to vibration and has an axial loosening tendency, this tendency will be converted into a torque that makes the locking end of the locking element wedged more tightly into the groove, which has a vibration self-tightening effect and improves the vibration resistance of the overall locking mechanism.

[0024] 3. In this application, a stop member is provided within the connecting seat, located between the inner cavity boss and the driving end of the locking member. On one hand, the stop member guides the locking member during the reset process, enabling it to quickly return from the unlocked position to the locked position, optimizing the force transmission path and allowing for a rapid return to the locked state. On the other hand, it provides a stable mechanical limit for the driving end in the locked position.

[0025] 4. This application effectively prevents radial displacement of the blade by setting a guide protrusion and a groove that slide and cooperate with each other between the insertion part in the blade and the fixed plate, which helps to improve the stability of the entire locking mechanism and the reliability of long-term use. Attached Figure Description

[0026] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein:

[0027] Figure 1 This is one of the structural schematic diagrams of this utility model;

[0028] Figure 2 This is the second structural schematic diagram of this utility model;

[0029] Figure 3 This is a schematic diagram of the structure of the fixed disk in this utility model;

[0030] Figure 4 This is a schematic diagram of the blade structure in this utility model;

[0031] Figure 5 This is a partial sectional view of the fixed disk and the blade in the locked state in this utility model;

[0032] Figure 6 This is an exploded view of the quick-release locking mechanism in this utility model;

[0033] Figure 7 This is one of the structural schematic diagrams of the quick-release locking mechanism and the locking part in the blade in the locked state in this utility model.

[0034] Figure 8 This utility model relates to Figure 7 Structural sectional view;

[0035] Figure 9 This is the second structural schematic diagram of the quick-release locking mechanism and the locking part in the blade in the unlocked state in this utility model.

[0036] Figure 10 This utility model relates to Figure 9 Structural sectional view;

[0037] In the picture:

[0038] 1. Fixed plate; 11. Slot; 2. Blade; 20. Insertion part; 211. Snap-fit ​​part; 212. Slot; 213. Abutting slope; 214. Enclosing space; 215. Guide receiving groove; 30. Quick-release locking mechanism; 31. Connecting seat; 311. Clearance space; 312. Boss; 313. Clearance hole; 32. Locking element; 321. Drive end; 322. Locking end; 323. Swing fulcrum; 33. Drive element; 331. Receiving hole; 333. Cover plate; 334. Flange part; 335. Ear part; 34. First elastic element; 35. Stopping element; 40. Guide protrusion; 50. Slide groove. Detailed Implementation

[0039] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0040] like Figure 1-10 As shown, this utility model includes a fan with a quick-release locking mechanism, including a fixed plate 1 and blades 2. The fixed plate 1 is provided with a plurality of slots 11 for inserting the blades 2 radially along the fixed plate 1. Each blade 2 has an insertion part 20 at its end, and the insertion part 20 is provided with a snap-fit ​​part 211 that engages with the fixed plate 1. The fixed plate 1 is provided with a plurality of quick-release locking mechanisms 30, and each quick-release locking mechanism 30 includes at least a connecting seat 31, a locking member 32, a driving member 33, and a first elastic member 34.

[0041] The connecting seat 31 is fixedly connected to the fixed plate 1, and the fixed plate 1 has a through hole for accommodating the connecting seat 31.

[0042] The locking member 32 is movably connected to the connecting seat 31, with its middle portion hinged to the connecting seat 31 via a pivot point 323. The locking member 32 has a driving end 321 and a locking end 322 disposed opposite to each other. The locking end 322 is operable to engage or disengage from the engaging part 211 of the plug-in part 20, thereby allowing the locking member 32 to have a locked position that locks the plug-in part 20 and an unlocked position that releases the plug-in part 20; the locking member 32 is normally placed in the locked position.

[0043] The driving member 33 is movably sleeved on the connecting seat 31 and is drivenly connected to the driving end 321 of the locking member 32. The driving member 33 moves relative to the connecting seat 31 and has a first position and a second position.

[0044] A first elastic element 34 is disposed between the driving element 33 and the connecting seat 31, providing a tendency for the driving element 33 to reset towards the first position. When the driving element 33 is in the first position, the first elastic element 34 can maintain a non-elastic compression effect, thereby placing the locking element 32 in the normal locked position. When the driving element 33 is in the second position, the first elastic element 34 is compressed, and the locking element 32 is placed in the unlocked position.

[0045] When the driving member 33 is subjected to external operating force and overcomes the action of the first elastic member 34, it moves from the first position to the second position. The driving member 33 drives the locking end 322 of the locking member 32 to disengage from the latching part 211, and moves the locking member 32 to the unlocked position, so as to realize the unlocked state of the quick-release locking mechanism.

[0046] When the external operation is canceled, the first elastic element 34 drives the driving element 33 to reset from the second position to the first position, and drives the locking element 32 to return to the locked position, so as to realize the locking state of the quick-release locking mechanism.

[0047] The first position and the second position of the drive member 33 are due to the fact that the drive member 33 can move relative to the connecting seat 31 and thus be in different positions.

[0048] In this application, the slot 11 on the fixed plate 1 is matched with the insertion part 20 of the blade 2. The blade 2 can be guided into the slot 11 along the radial direction of the fixed plate 1, and is installed by engaging with the quick-release locking mechanism 30. This direction is the insertion direction of this embodiment. The operator can easily unlock and lock by operating the drive component 33. The disassembly and assembly process is easy and effortless, and the operation is convenient. The constant force provided by the first elastic member 34 ensures the stability of the blade 2 and the fixed plate 1 in the locked state, effectively preventing possible loosening or detachment due to unavoidable vibration during operation.

[0049] like Figures 7 to 10 As shown, the driving member 33 is provided with a receiving hole 331, and the driving end 321 of the locking member 32 extends into the receiving hole 331 and abuts against the groove wall of the receiving hole 331; when the driving member 33 is subjected to force and moves, the driving end 321 is driven through the groove wall of the receiving hole 331, so that the locking member 32 swings around the swing fulcrum 323.

[0050] Specifically, the locking member 32 can change position around the swing fulcrum 323, and its movement is actually a swinging process centered on the swing fulcrum 323. Based on this lever swinging principle, when the fan blades 2 generate axial vibration or a tendency to loosen during operation, causing the locking end 322 to disengage from the latching part 211, a torque is generated that drives the locking member 32 to rotate around its swing fulcrum 323. This torque causes the locking end 322 to wed more tightly along the side wall of the latching groove 212, enhancing the self-locking effect between the two. This makes the locking end 322 press more tightly against and engage in the latching groove of the latching part 211, thus having a vibration self-tightening anti-vibration effect.

[0051] like Figures 5 to 10As shown, the quick-release locking mechanism 30 also includes a stop member 35, which is disposed in the connecting seat 31 and sleeved on the driving member 33. A boss 312 is provided in the inner cavity of the connecting seat 31, and the stop member 35 is located between the boss 312 and the driving end 321 of the locking member 32. The stop member 35 is configured to guide the locking member 32 from the unlocked position to the locked position by abutting against the driving end 321 of the locking member 32 during the reset process of the driving member 33, and to provide a stable mechanical limit for the driving end 321 in the locked position. One specific embodiment of the stop member 35 is a compression spring. It should be noted that the mechanical limit defined here means that when the locking member 32 moves to the locked position, the stop member 35 can effectively abut against its driving end 321 and generate a constraint effect sufficient to resist further movement of the working load (such as vibration, torque), and does not limit the stop member 35 itself to be a rigid or elastically deformable material or structure.

[0052] The stop member 35 acts directly on the drive end 321 of the locking member 32. During the reset process of the drive member 33, the force transmitted by the drive member 33 can be directly and quickly transmitted to the locking member 32 through the shortest path of the stop member 35. Compared with the indirect transmission through multiple linkage parts, this design shortens the force transmission chain and reduces the loss and lag of force transmission in intermediate links, so that the locking member 32 can quickly return from the unlocked position to the locked position. This design optimizes the force transmission path and can quickly return to the locked state.

[0053] like Figures 5 to 10 As shown, specifically, the connecting seat 31 is a hollow tube, and the driving member 33 is slidably fitted into the inner cavity of the connecting seat 31, with the driving member 33 arranged parallel to the axial direction of the connecting seat 31. The driving member 33 cooperates with the driving end 321 of the locking member 32 through the receiving hole 331 on it. Compared with the driving structure composed of multiple independent and loose components, this integrated driving design structure has the advantage of stable force transmission and also realizes effective control of the position of the locking end 322. Specifically, the first elastic member 34 is fitted on the driving member 33 and abuts against the connecting seat 31. By controlling the downward movement of the driving member 33, the first elastic member 34 is compressed to store force; when resetting upward, the elastic force is released to restore the driving member 33 to its original height. In this way, the driving member 33 drives the locking member 32 to switch between the locked and unlocked states. Specifically, the first elastic member 34 is a compression spring.

[0054] like Figures 5 to 10As shown, the first elastic member 34 is positioned between the connecting seat 31 and the driving member 33 to form a limiting structure. Specifically, a cover plate 333 is provided on the top of the connecting seat 31, through which the driving member 33 can pass. The first elastic member 34 is sleeved on the driving member 33, with both ends abutting against the cover plate 333 and the driving member 33, respectively. On one hand, the cover plate 333 provides a limiting position for the first elastic member 34, and on the other hand, it is used to connect the connecting seat 31 and the fixed plate 1. The edge of the cover plate 333 is provided with an ear 335 for connecting the connecting seat 31 and the fixed plate 1.

[0055] The cover plate 333 can be the outer edge of the connecting seat 31 extending outward from its upper end, or it can be a separately manufactured component. This technical solution connects the connecting seat 31 to the fixed disk 1 via the cover plate 333. The quick-release locking mechanism 30, after being connected to the fixed disk 1, has the connecting seat 31 embedded within it, resulting in a simple layout and saving internal space. The operating end of the driving member 33 is exposed on a surface in the axial direction of the fixed disk 1. The operator drives the exposed portion of the driving member 33 on the fixed disk 1 to drive the entire movement process, thereby controlling the unlocking or locking of the quick-release locking mechanism 30. This makes operation convenient, easy, and labor-saving. It should be noted that the quick-release locking mechanism 30 is positioned in the tangential direction of the insertion portion 20 of the blade 2. This ensures efficient force transmission during operation, resulting in easy and labor-saving operation. In the entire fan unit, the quick-release locking mechanism 30 is entirely housed within the fan's internal structure. This not only effectively prevents the quick-release locking mechanism 30 from being exposed to the air, reducing dust accumulation and cleaning blind spots, but also slows down component oxidation and prevents material aging. Simultaneously, it maintains the overall simplicity of the fan's appearance.

[0056] Reference Figure 10 The position of the first elastic element 34 can vary. Unlike the methods described above, a clearance space 311 is formed at the bottom of the connecting seat 31. This clearance space 311 accommodates the change in position of the driving member 33 when switching between the first and second positions. The first elastic element 34 is located at the bottom of the connecting seat 31 and within the clearance space 311. When the driving member 33 overcomes the force of the first elastic element 34, it can compress the clearance space 311. In its normal state, the driving member 33 is in the first position, and the clearance space 311 is also at a constant value, meaning it is not compressed. The driving member 33 moves up and down along the axial direction of the connecting seat 31, leaving room for movement in the clearance space 311.

[0057] One of the insertion portion 20 of the blade 2 and the fixed disk 1 is provided with a guide protrusion 40, and the other is provided with a corresponding sliding groove 50; the guide protrusion 40 and the sliding groove 50 are slidably engaged, and the length direction of the guide protrusion 40 is consistent with the insertion direction of the blade 2. The two guide and engage to restrict the radial degree of freedom of the blade 2 relative to the fixed disk 1, and prevent the blade 2 from radially deviating due to centrifugal force or vibration during rotation. At least one set of guide protrusion 40 and sliding groove 50 is provided. It should be noted that the radial direction of the fixed disk 1 refers to the direction perpendicular to the rotation axis of the blade 2, while the axial direction of the fixed disk 1 refers to the direction extending along the axis (central axis), parallel to the length direction of the axis.

[0058] Here is a specific structure for reference. Figures 2 to 4 A guide protrusion 40 is provided at each of the two ends of the insertion part 20 in the blade 2. The guide protrusions 40 are distributed in the same direction or opposite direction of the insertion part 20, and the two are more closely connected, which can prevent the blade 2 from loosening and rotating relative to the fixed plate 1, and prevent displacement or falling off due to vibration or external force.

[0059] like Figures 6 to 10 As shown, there are two locking members 32, which are symmetrically arranged on the connecting seat 31. The locking members 32 are hinged to the clearance holes 313 of the connecting seat 31 and are positioned symmetrically on both sides of the connecting seat 31. The clearance holes 313 correspond to the receiving holes 331 on the driving member 33. The driving end 321 of the locking member 32 can pass through the clearance holes 313, so that the driving end 321 cooperates with the receiving hole 331 of the driving member 33 to move.

[0060] like Figures 4 to 10 As shown, to facilitate illustrating the connection relationship between the quick-release locking mechanism 30 and the latching part 211, in Figures 7 to 10 The body structure of blade 2 is omitted. The locking part 211 includes a pair of locking claws hinged to the insertion part 20. The middle of the pair of locking claws forms an encircling space 214 that adapts to the periphery of the connecting seat 31. The locking claws can open and close to clamp onto the connecting seat 31. During the locking process, after the locking claws move into position, they can encircle the connecting seat 31, and the blade 2 is hooked and will not fall off, which can quickly position and provide an initial stabilizing effect; and the locking groove 212 and the locking member 32 engage to completely lock the blade 2 and the fixed plate 1, making it impossible to rotate or pull out; the two assist each other in the locking process to form a stable installation and quick and convenient operation locking structure, which together ensures the safe, stable and quiet operation of the ceiling fan under long-term high-speed rotation.

[0061] Furthermore, the locking claw is hinged to the insertion part 20, which has corresponding holes. A locking sleeve (not shown) is pre-installed in the hole. The locking sleeve is usually made of metal or high-strength engineering plastic. It is embedded in the substrate of the insertion part 20 as a bushing to avoid direct wear and impact on the hole wall of the substrate during repeated opening and closing swinging of the locking claw. This effectively prevents hole deformation, hole enlargement or cracking caused by material fatigue and enhances the fatigue strength of the hole.

[0062] like Figure 4 As shown, the insertion part 20 has a guide receiving groove 215 formed on it, which guides and limits the sliding of the connecting seat 31 during the snap-fit ​​process. The snap-fit ​​part 211 is located on the side facing the blade 2 away from the fixed plate 1 relative to the guide receiving groove 215. When the guide receiving groove 215 on the blade 2 slides into place with the connecting seat 31, the snap-fit ​​part 211 is pushed open in the insertion direction, and then uses the locking claw to surround the periphery of the connecting seat 31, thus having a limiting function. The size of the guide receiving groove 215 matches the bottom of the connecting seat 31. In addition to the aforementioned cover plate 333, the connecting seat 31 can also be provided with a flange part 334 formed around the bottom of the connecting seat 31. The flange part 334 is in close contact with the bottom wall of the guide receiving groove 215 and plays a limiting role. The multiple limiting functions make the structure between the blade 2 and the fixed plate 1 stable and reliable, ensuring the safe, stable and quiet operation of the ceiling fan during rotation.

[0063] Common materials for blade 2 include wood, plastic, and aluminum. The presence of multiple through-holes increases the number of drilling steps required during blade 2 manufacturing. This issue needs to be considered not only during manufacturing but also after the blade is finished, as drilling could damage the protective film formed during the surface treatment of blade 2. Therefore, the guide receiving groove 215 avoids creating through-holes in the insertion portion 20 of blade 2, thus preventing the weakening of structural strength caused by through-holes. Therefore, this application has the beneficial effect of improving the overall structural strength.

[0064] like Figures 7 to 10 As shown, the snap-fit ​​part 211 has a snap-fit ​​groove 212 on the side facing the locking member 32. The snap-fit ​​groove 212 engages with the locking member 32 in the quick-release locking mechanism. The snap-fit ​​part 211 and the locking member 32 are engaged or disengaged by the snap-fit ​​groove 212 to limit the axial freedom of the blade 2 relative to the fixed plate 1, ensuring that the connection is not loose and that the connection is firm and reliable.

[0065] Each locking claw has an abutting slope 213 formed at its front end along the insertion direction of the blade 2. When the blade is pushed in along the insertion direction, the abutting slope 213 contacts the locking end 322 of the locking member 32, and as it continues to be pushed in, it forces the locking end 322 to gradually slide upward along the abutting slope 213. This process continues until the locking end 322 is completely slid into the corresponding slot 212, achieving locking and limiting. At this time, the locking claw surrounds the connecting seat 31, enhancing the locking effect of the overall structure. This solution, by setting the abutting slope 213 on the locking claw, achieves a locking operation that can be completed by pushing in once along the insertion direction. This structure is not only smooth in operation, but also flexible, labor-saving and convenient in installation.

[0066] Accordingly, the surface of the locking end 322 in the locking member 32 that contacts the locking claw is an inclined surface, so that the sliding pushing process can proceed smoothly.

[0067] like Figure 7 , Figure 8 This indicates the unlocked state of the quick-release locking mechanism 30; for example... Figure 9 , Figure 10 The diagram shows the locking state of the quick-release locking mechanism 30. During the locking process of inserting the blade 2 into the fixing plate 1, the connection between the two can be achieved using two different methods. Method 1: During installation, the blade 2 is directly inserted into the fixing plate 1. As the blade 2's locking claw pushes against the locking member 32 during the advancement process, it moves passively, causing the locking claw to encircle the connecting seat 31. Simultaneously, the locking end 322 of the locking member 32 automatically engages into the slot 212 of the locking claw engagement part 211, achieving a one-time insertion and locking.

[0068] Implementation Method Two: First, the driving member 33 is moved from its initial first position to the unlocked second position. This action causes the locking end 322 of the locking member 32 to disengage from the locked position and enter the unlocked state. Then, the blade 2 is inserted, so that its insertion part 20 abuts against the connecting seat 31. Finally, the driving member 33 is released. Under the action of the stop member, the driving end 322 of the locking member 32 is fixed, and the locking end 322 returns to the locked position, thereby completing the locking.

[0069] Although the two locking methods are different, the unlocking process is the same: when removing the blade 2 from the fixed plate 1, the driving member 33 is driven, which in turn drives the driving end 321 of the locking member 32, unlocking the locking end 322 from the snap-fit ​​part 211 in the insertion part 20, thereby removing the blade 2 from the slot 11 and completing the unlocking of the blade 2.

[0070] This application discloses the locking process of active and passive driving locking between the fixed plate 1 and the blade 2, which makes the operation more flexible and enables the rapid installation and secure connection of the blade 2. The quick-release locking mechanism 30 and the plug-in part 20 cooperate to form a compact structure and make disassembly convenient and labor-saving.

Claims

1. A fan with a quick-release locking mechanism, comprising a fixed disc (1) and blades (2), characterized in that... The fixed disk (1) is provided with a plurality of slots (11) for inserting blades (2) radially along the fixed disk (1). Each blade (2) has an insertion part (20) at its end, and the insertion part (20) is provided with a snap-fit ​​part (211) that engages with the fixed disk (1). The fixed disk (1) is provided with a plurality of quick-release locking mechanisms (30), which include: Connector (31) is fixedly connected to fixed plate (1); A locking member (32) is movably connected to a connecting seat (31) and has a driving end (321) and a locking end (322) facing each other; the locking end (322) is operably engaged or disengaged from the engaging portion (211) of the plug (20), thereby giving the locking member (32) a locked position in locking the plug (20) and an unlocked position in releasing the plug (20); the locking member (32) is normally placed in the locked position; The driving component (33) is movably sleeved on the connecting seat (31) and is driven to connect with the driving end (321) of the locking component (32); A first elastic element (34) is disposed between the drive element (33) and the connecting seat (31) to provide the drive element (33) with a tendency to reset toward a first position; When the driving member (33) is subjected to external operating force and overcomes the action of the first elastic member (34), it moves from the first position to the second position. The driving member (33) drives the locking end (322) of the locking member (32) to disengage from the latching part (211) and moves the locking member (32) to the unlocked position, so as to realize the unlocked state of the quick-release locking mechanism (30). When the external operation is cancelled, the first elastic member (34) drives the driving member (33) to reset from the second position to the first position and drives the locking member (32) to return to the locked position, so as to realize the locked state of the quick-release locking mechanism (30).

2. A fan with a quick-release locking mechanism according to claim 1, characterized in that... The middle part of the locking member (32) is hinged to the connecting seat (31) through a swing fulcrum (323).

3. A fan with a quick-release locking mechanism according to claim 2, characterized in that... The driving member (33) is provided with a receiving hole (331), and the driving end (321) of the locking member (32) extends into the receiving hole (331) and abuts against the groove wall of the receiving hole (331); when the driving member (33) is subjected to force and moves, the driving end (321) is driven through the groove wall of the receiving hole (331), so that the locking member (32) swings around the swing fulcrum (323).

4. A fan with a quick-release locking mechanism according to claim 1, characterized in that... The quick-release locking mechanism (30) further includes a stop member (35), which is disposed in the connecting seat (31) and sleeved on the driving member (33); a boss (312) is provided in the inner cavity of the connecting seat (31), and the stop member (35) is located between the boss (312) and the driving end (321) of the locking member (32); the stop member (35) is configured such that, during the reset process of the driving member (33), it abuts against the driving end (321) of the locking member (32) to guide the locking member (32) to return from the unlocked position to the locked position, and forms a stable mechanical limit for the driving end (321) in the locked position.

5. A fan with a quick-release locking mechanism according to claim 1, characterized in that... The connecting seat (31) is in the shape of a hollow tube, and the driving member (33) is slidably fitted into the inner cavity of the connecting seat (31).

6. A fan with a quick-release locking mechanism according to claim 5, characterized in that... The top of the connecting seat (31) is provided with a cover plate (333) through which the driving member (33) can pass. The first elastic member (34) is sleeved on the driving member (33) and its two ends abut against the cover plate (333) and the driving member (33) respectively.

7. A fan with a quick-release locking mechanism according to claim 5, characterized in that... The bottom of the connecting seat (31) has a clearance space (311) for accommodating the switching position of the drive member (33). The first elastic member (34) is disposed in the clearance space (311). When the drive member (33) overcomes the force of the first elastic member (34), it can compress the clearance space (311).

8. A fan with a quick-release locking mechanism according to claim 1, characterized in that... One of the insertion part (20) of the blade (2) and the fixing plate (1) is provided with a guide protrusion (40), and the other is provided with a corresponding sliding groove (50); the guide protrusion (40) and the sliding groove (50) are slidably engaged, and the length direction of the guide protrusion (40) is consistent with the insertion direction of the blade (2).

9. A fan with a quick-release locking mechanism according to claim 1, characterized in that... The number of the locking elements (32) is two, and the two locking elements (32) are symmetrically arranged on the connecting seat (31).

10. The fan according to claim 1, characterized in that... The latching part (211) includes a pair of locking claws hinged to the plug part (20), the locking claws being able to open and close to clamp onto the connecting seat (31); the latching part (211) has a slot (212) on the side facing the locking member (32).

Images