A circular luminaire

Abstract

This invention discloses a circular lamp, including a lamp holder, a lampshade, and a locking sleeve surrounding the lamp holder and the lampshade. The locking sleeve can rotate on the lamp holder to a first state and a second state. When the locking sleeve rotates from the first state to the second state, it can release the locking of the lampshade, allowing the lampshade to detach from the lamp holder. The lamp holder is provided with a buckle that can deform radially. The inner circumferential surface of the locking sleeve is provided with a locking block that can be adapted to the buckle. When the buckle and the locking block are locked together, they can restrict the rotation of the locking sleeve to the second state. This avoids the drawback of existing circular lamps that can be quickly disassembled by simply rotating the lamp and can only be used with isolated drives. Furthermore, by providing a through hole on the side wall of the locking sleeve that can be aligned with the buckle, when it is necessary to disassemble the lamp, an external object is needed to push the buckle from the outside to the inside to disengage the locking block so that the locking sleeve can rotate from the first state to the second state and release the locking of the lampshade. This makes the lamp comply with safety regulations and can be used with non-isolated drives, ultimately reducing the cost of the lamp and meeting the customer's cost reduction requirements.

Description

Technical Field

[0001] This invention relates to the field of lighting products technology, specifically to a circular lamp. Background Technology

[0002] In the lighting industry, round ceiling lights are a common type of lighting equipment, widely used in homes, offices, and various other environments. The driver is one of the core components controlling the light's on / off state and brightness; therefore, each light fixture is matched with a driver. Currently, round ceiling lights on the market typically feature a quick-release latch structure for easy maintenance; the light fixture can be opened by simply twisting the end cap.

[0003] For example, the Chinese utility model patent application number 202420371675.6 (authorization announcement number CN222026834U) discloses a similar lamp structure, which includes a mounting base and a lamp holder. The lamp holder includes a lamp and a lamp mounting base. The lamp mounting base is provided with a buckle. The mounting base is connected to the lamp holder through the buckle. A connector is provided below the mounting base. The user only needs to rotate the lamp counterclockwise, the buckle will retract, and the lamp will disengage from the mounting base, thereby achieving quick disassembly.

[0004] While the aforementioned ceiling light achieves the goal of quick disassembly, according to safety regulations, such a lighting fixture structure can only be used with isolated drivers, not non-isolated drivers. If used with an isolated driver, it will not pass certification. Isolated drivers are much more expensive than non-isolated drivers, which greatly increases the cost of lighting fixtures with isolated drivers, thus failing to meet customers' cost reduction needs.

[0005] Therefore, how to provide a luminaire that can be quickly disassembled while also meeting safety regulations and being compatible with non-isolated drivers to reduce costs is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to provide a circular lamp that can achieve quick disassembly of the lamp and make the lamp comply with safety regulations and can be used with non-isolated drivers to reduce costs, in light of the above-mentioned existing technology.

[0007] The technical solution adopted by the present invention to solve the above-mentioned technical problems is as follows: The circular lamp includes a lamp holder and a lampshade that can be constrained at the bottom of the lamp holder, and also includes a locking sleeve surrounding the outside of the lamp holder and the lampshade. The locking sleeve is rotatably disposed on the lamp holder and can rotate to a first state and a second state. A locking device is provided between the locking sleeve and the lampshade, which can lock the lampshade and prevent the lampshade from detaching from the lamp holder when the locking sleeve is in the first state. When the locking sleeve rotates from the first state to the second state, it can release the locking of the lampshade and allow the lampshade to detach from the lamp holder. A buckle that can deform radially is formed on the lamp holder. A locking block that can be adapted to the buckle is provided on the inner circumferential surface of the locking sleeve. When the buckle and the locking block are locked together, they can restrict the locking sleeve from rotating to the second state. A through hole is also provided on the side wall of the locking sleeve to align the buckle and facilitate an external object to push the buckle away from the locking block from the outside.

[0008] In order to better provide a locking buckle that can deform radially on the lamp holder, preferably, the lamp holder is formed with an elastic arm that extends circumferentially and can deform radially, and the locking buckle is disposed on the elastic arm.

[0009] In order to enable the locking sleeve to rotate more effectively from the second state to the first state, preferably, the locking block has a first inclined surface formed at the front end of the locking sleeve in the direction of rotation from the second state to the first state, and the latch has a second inclined surface adapted to the first inclined surface. When the locking sleeve rotates from the second state to the first state, the first inclined surface can press the second inclined surface to cause the latch to deform radially.

[0010] In order to better drive the latch to deform radially inward after the external tool passes through the through hole, preferably, the latch has an arc surface and / or inclined surface that slopes outward from bottom to top on the outer side of the through hole, and the arc surface and / or inclined surface is also provided with teeth to increase friction.

[0011] To optimize the locking structure of the locking device and better restrict the lampshade from locking the base or disengaging from the lamp holder when the locking sleeve rotates circumferentially, preferably, the locking device includes a first rib protruding from the inner circumferential surface of the locking sleeve and extending circumferentially, and a second rib protruding from the outer circumferential surface of the lampshade and extending circumferentially. When the locking sleeve rotates from the second state to the first state, the first rib can abut against the bottom of the second rib to restrict the lampshade from disengaging downwards. When the locking sleeve rotates from the first state to the second state, the first rib will disengage from the bottom of the second rib, allowing the lampshade to disengage downwards. The ends of the first rib and / or the second rib are provided with vertically extending guards to restrict the locking sleeve from continuing to rotate after rotating to the first state.

[0012] In order to better match the first protrusion of the locking sleeve with the second protrusion of the lampshade during rotation, preferably, the first protrusion extends downward along the rotation direction of the locking sleeve from the second state to the first state, and correspondingly, the second protrusion extends downward along the rotation direction of the locking sleeve from the second state to the first state.

[0013] To optimize the installation structure between the locking sleeve and the base, and to allow the locking sleeve to rotate better on the lamp holder, preferably, the lamp holder has an upwardly extending flange, and the inner circumferential surface of the locking sleeve is provided with multiple circumferentially spaced grooves that can engage the flange from top to bottom. Each groove can rotate circumferentially along the flange, allowing the locking sleeve to rotate circumferentially on the lamp holder.

[0014] In order to better connect the lampshade to the base and allow the lampshade to move up and down relative to the base for easy disassembly, preferably, the lamp holder has an annular groove with an opening facing downwards, the lampshade has a connecting wall extending upwards into the annular groove, the connecting wall has a vertically extending limiting rib, and the side wall of the annular groove has a limiting groove that penetrates the bottom and fits the limiting rib.

[0015] To enable quick alignment and assembly between the lampshade and the base, preferably, multiple limiting ribs and limiting grooves are provided. Each limiting rib and limiting groove is distributed circumferentially and corresponds to each other. The opening of each limiting groove is formed with a guide surface to facilitate the insertion of the limiting rib from bottom to top into the limiting groove.

[0016] To better achieve waterproofing, preferably, the lamp holder and lamp cover are fitted together to form a sealed space for accommodating the light-emitting element, and a sealing element is provided in the annular groove to enhance the sealing performance between the lamp holder and the lamp cover.

[0017] Compared with the prior art, the advantages of the present invention are as follows: By providing a locking sleeve on the outside of the lamp holder and the lampshade, and allowing the locking sleeve to rotate on the lamp holder to a first state and a second state, and by providing a locking device between the locking sleeve and the lampshade, which locks the lampshade in the first state and prevents the lampshade from detaching from the lamp holder, the locking sleeve can release the locking of the lampshade and allow the lampshade to detach from the lamp holder when rotating from the first state to the second state. Furthermore, by providing a radially deformable latch on the lamp holder, and providing a locking block on the inner circumferential surface of the locking sleeve that adapts to the latch, the latch and... When the locking blocks are in a mutually locked state, they can restrict the locking sleeve from rotating to the second state. This avoids the drawback of existing circular lamps, which can be quickly disassembled by simply rotating the lamp and can only be used with isolated drivers. Furthermore, by setting through holes on the side wall of the locking sleeve to align with the latch, when the lamp needs to be disassembled, an external object is required to push the latch from the outside to the inside to disengage the locking blocks so that the locking sleeve can rotate from the first state to the second state and release the locking of the lamp cover. This makes the lamps here compliant with safety regulations and can be used with non-isolated drivers, ultimately reducing the cost of the lamps and meeting the customer's cost reduction requirements. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of this embodiment;

[0019] Figure 2 This is a schematic diagram of the decomposed state structure of this embodiment;

[0020] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part B;

[0021] Figure 4 This is a schematic diagram of the decomposed state structure from another perspective in this embodiment;

[0022] Figure 5 This is a schematic diagram of the longitudinal cross-sectional structure of this embodiment;

[0023] Figure 6 This is a schematic diagram of the transverse cross-sectional structure of this embodiment (the locking sleeve is in the first state);

[0024] Figure 7 This is a schematic diagram of the transverse cross-section structure of this embodiment (the locking sleeve is in the second state, and the direction indicated by arrow A is the direction of rotation of the locking sleeve from the second state to the first state);

[0025] Figure 8 This is a cross-sectional view of the locking device in this embodiment (the locking sleeve and lampshade are in the unlocked state);

[0026] Figure 9This is a cross-sectional schematic diagram of the locking device in this embodiment (the locking sleeve and the lampshade are in the locked state, and the direction indicated by arrow A is the direction in which the locking sleeve rotates from the second state to the first state, which is also the direction in which the locking sleeve rotates from the unlocked state to the locked state). Detailed Implementation

[0027] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0028] Figures 1-5 The diagram shown is a structural schematic of this embodiment. The circular lamp in this embodiment mainly includes a lamp holder 1, a lampshade 2, a locking sleeve 3, and a device 4.

[0029] refer to Figures 1 to 4 As shown, in this embodiment, the lamp holder 1 is detachably provided with the lamp cover 2 at the bottom of the lamp holder 1. The locking sleeve 3 surrounds the outside of the lamp holder 1 and the lamp cover 2. The locking sleeve 3 can be constrained on the lamp holder 1 and can rotate to a first state and a second state. A locking device 4 is provided between the locking sleeve 3 and the lamp cover 2. When the locking sleeve 3 is in the first state, it can lock the lamp cover 2 and restrict the lamp cover 2 from leaving the lamp holder 1. When the locking sleeve 3 rotates from the first state to the second state, it can release the lock on the lamp cover 2 and allow the lamp cover 2 to leave the lamp holder 1. A latch 1a that can deform radially is formed on the lamp holder 1. A locking block 3a that can be adapted to the latch 1a is provided on the inner circumferential surface of the locking sleeve 3. When the latch 1a and the locking block 3a are in a mutually locked state, they can restrict the locking sleeve 3 from rotating to the second state. A through hole 3b is also provided on the side wall of the locking sleeve 3 to align with the latch 1a so that an external object can push the latch 1a away from the locking block 3a from the outside to the inside. Figure 6 The image shows the locking sleeve in its first state. Figure 7 The image shows the locking sleeve in its second state, where arrow A indicates the direction of rotation of the locking sleeve from the second state towards the first state. Figure 8 The diagram shows the locking sleeve and lampshade in the unlocked state. Figure 9 The diagram shows the locking sleeve and lampshade in the locked state. Arrow A indicates the direction of rotation of the locking sleeve from the second state to the first state, which is also the direction of rotation of the locking sleeve from the unlocked state to the locked state.

[0030] In order to better install the radially deformable latch 1a on the lamp holder 1, refer to Figure 2 and Figure 3 As shown, in this embodiment, an elastic arm 1b that extends circumferentially and can deform radially is specially formed on the lamp holder 1, and a latch 1a is provided on the elastic arm 1b.

[0031] Secondly, in order to allow the locking sleeve 3 to rotate more smoothly from the second state to the first state, refer to... Figure 3As shown, in this embodiment, the locking block 3a is specially provided with a first inclined surface 3a1 at the front end of the locking sleeve 3 in the direction of rotation from the second state to the first state, and a second inclined surface 1a1 adapted to the first inclined surface 3a1 is formed on the latch 1a. When the locking sleeve 3 rotates from the second state to the first state, the first inclined surface 3a1 can squeeze the second inclined surface 1a1 and cause the latch 1a to deform radially, so that the locking sleeve 3 can quickly enter the locking state from the unlocked state of the second state to the locked state of the first state.

[0032] Furthermore, in order to better drive the latch 1a to deform radially inward after the external tool passes through the through hole 3b, refer to Figure 3 As shown, the outer part of the latch 1a facing the through hole 3b has an arc surface 1a2 and / or a slope that slopes outward from bottom to top, and the arc surface 1a2 and / or the slope is also provided with teeth 1a3 for increasing friction.

[0033] In addition, the locking structure of the locking device 4 is optimized so that when the locking sleeve 3 rotates circumferentially, it can better restrict the lampshade 2 from locking the base 1 or disengaging from the lamp holder 1. (Refer to...) Figure 2 , Figure 4 and Figure 5 As shown, in this embodiment, the locking device 4 includes a first rib 4a protruding from the inner circumferential surface of the locking sleeve 3 and extending circumferentially, and a second rib 4b protruding from the outer circumferential surface of the lampshade 2 and extending circumferentially. When the locking sleeve 3 rotates from the second state to the first state, the first rib 4a can abut against the bottom of the second rib 4b to restrict the lampshade 2 from falling downward. When the locking sleeve 3 rotates from the first state to the second state, the first rib 4a will disengage from the bottom of the second rib 4b, allowing the lampshade 2 to fall downward. The ends of the first rib 4a and / or the second rib 4b are provided with a vertically extending baffle 4a1 to restrict the locking sleeve 3 from continuing to rotate after rotating to the first state. The baffle 4a1 and the first rib 4a, the baffle 4a1 and the second rib 4b are connected in an L-shape.

[0034] Meanwhile, in order to ensure that the first protruding rib 4a on the locking sleeve 3 can better adapt to the second protruding rib 4b on the lampshade 2 during rotation, refer to Figure 2 and Figure 4 As shown, in this embodiment, the first rib 4a extends downward along the rotation direction of the locking sleeve 3 from the second state to the first state, and correspondingly, the second rib 4b extends downward along the rotation direction of the locking sleeve 3 from the second state to the first state.

[0035] In this embodiment, in order to optimize the installation structure between the locking sleeve 3 and the base 1, so that the locking sleeve 3 can rotate better on the lamp holder 1, reference is made. Figure 5As shown, a flange 1c extending upwards is formed on the lamp holder 1. The inner circumferential surface of the locking sleeve 3 is provided with multiple circumferentially spaced grooves 3c that can fasten the flange 1c from top to bottom. Each groove 3c can rotate circumferentially along the flange 1c, so that the locking sleeve 3 can rotate circumferentially on the lamp holder 1.

[0036] In this embodiment, in order to better connect the lampshade 2 to the base 1 and to allow the lampshade 2 to move up and down relative to the base 1 for easy disassembly, refer to... Figure 1 As shown, the lamp holder 1 has an annular groove 1d with its opening facing downwards, and the lamp cover 2 has a connecting wall 2a extending upwards that can extend into the annular groove 1d. A vertically extending limiting rib 2a1 is formed on the connecting wall 2a, and a limiting groove 1e that penetrates the bottom and is adapted to the limiting rib 2a1 is opened on the side wall of the annular groove 1d.

[0037] To enable quick alignment and assembly between the lampshade 2 and the base 1, multiple limiting ribs 2a1 and limiting grooves 1e are provided. Each limiting rib 2a1 and limiting groove 1e is distributed circumferentially and corresponds to each other. Each limiting groove 1e has a guide surface 1e1 at its opening to facilitate the insertion of the limiting rib 2a1 into the limiting groove 1e from bottom to top.

[0038] refer to Figure 5 As shown in this embodiment, in order to make the lamp more waterproof, the lamp holder 1 and the lamp cover 2 surround each other to form a sealed space for accommodating the light-emitting body 5. The annular groove 1d is also provided with a sealing element 6 to enhance the sealing performance between the lamp holder 1 and the lamp cover 2.

[0039] It is also necessary to further explain that in this embodiment, by providing a locking sleeve 3 on the outside of the lamp holder 1 and the lampshade 2, and enabling the locking sleeve 3 to rotate on the lamp holder 1 to a first state and a second state, a locking device 4 is also provided between the locking sleeve 3 and the lampshade 2. When the locking sleeve 3 is in the first state, it can lock the lampshade 2 and prevent the lampshade 2 from detaching from the lamp holder 1. This allows the locking sleeve 3 to release the lock on the lampshade 2 when rotating from the first state to the second state, allowing the lampshade 2 to detach from the lamp holder 1. In addition, by providing a radially deformable latch 1a on the lamp holder 1, and a locking block 3a that can adapt to the latch 1a is provided on the inner circumferential surface of the locking sleeve 3, this allows the lampshade 2 to detach from the lamp holder 1. When the latch 1a and the locking block 3a are locked together, they can restrict the locking sleeve 3 from rotating to the second state. This avoids the drawback of existing circular lamps that can be quickly disassembled by simply rotating the lamp and can only be used with isolated drives. Furthermore, by providing a through hole 1b on the side wall of the locking sleeve 3 that can be aligned with the latch 1a, when the lamp needs to be disassembled, an external object is needed to push the latch 1a from the outside to the inside to disengage the locking block 3a so that the locking sleeve 3 can rotate from the first state to the second state and release the lock on the lamp cover 2. This makes the lamp comply with safety regulations and can be used with non-isolated drives, ultimately reducing the cost of the lamp and meeting the customer's cost reduction requirements.

[0040] It should be noted that in the description of this embodiment, the terms "front," "rear," "left," "right," "up," "down," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are merely 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, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. The terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood according to the specific circumstances.

Claims

1. A circular lamp, comprising a lamp holder (1) and a lampshade (2) detachably disposed at the bottom of the lamp holder (1), characterized in that: It also includes a locking sleeve (3) surrounding the lamp holder (1) and the lampshade (2). The locking sleeve (3) can be constrained on the lamp holder (1) and can rotate to a first state and a second state. A locking device (4) is provided between the locking sleeve (3) and the lampshade (2) to lock the lampshade (2) and prevent the lampshade (2) from detaching from the lamp holder (1) when the locking sleeve (3) is in the first state. When the locking sleeve (3) rotates from the first state to the second state, it can release the lock on the lampshade (2) and allow the lampshade (2) to detach. It can detach from the lamp holder (1), and the lamp holder (1) has a latch (1a) that can deform radially. The inner circumferential surface of the locking sleeve (3) is provided with a locking block (3a) that can be adapted to the latch (1a). When the latch (1a) and the locking block (3a) are locked together, they can restrict the locking sleeve (3) from rotating to the second state. The side wall of the locking sleeve (3) is also provided with a through hole (3b) that aligns with the latch (1a) so that an external object can push the latch (1a) away from the locking block (3a) from the outside to the inside.

2. The circular lamp according to claim 1, characterized in that: The lamp holder (1) has an elastic arm (1b) that extends circumferentially and can deform radially, and the latch (1a) is provided on the elastic arm (1b).

3. The circular lamp according to claim 1, characterized in that: The locking block (3a) has a first inclined surface (3a1) formed at the front end of the locking sleeve (3) in the direction of rotation from the second state to the first state. The latch (1a) has a second inclined surface (1a1) adapted to the first inclined surface (3a1). When the locking sleeve (3) rotates from the second state to the first state, the first inclined surface (3a1) can press the second inclined surface (1a1) to cause the latch (1a) to deform radially.

4. The circular lamp according to claim 1, characterized in that: The latch (1a) has an arc surface (1a2) and / or a slope that slopes outward from bottom to top on the outer side of the through hole (3b), and the arc surface (1a2) and / or the slope are also provided with teeth (1a3) for increasing friction.

5. The circular lamp according to any one of claims 1 to 4, characterized in that: The locking device (4) includes a first rib (4a) protruding from the inner circumferential surface of the locking sleeve (3) and extending circumferentially, and a second rib (4b) protruding from the outer circumferential surface of the lampshade (2) and extending circumferentially. When the locking sleeve (3) rotates from the second state to the first state, the first rib (4a) can abut against the bottom of the second rib (4b) to restrict the lampshade (2) from falling downward. When the locking sleeve (3) rotates from the first state to the second state, the first rib (4a) will disengage from the bottom of the second rib (4b) so that the lampshade (2) can fall downward. The ends of the first rib (4a) and / or the second rib (4b) are provided with vertically extending guards (4a1) to restrict the locking sleeve (3) from continuing to rotate after rotating to the first state.

6. The circular lamp according to claim 5, characterized in that: The first rib (4a) extends downward along the direction of rotation of the locking sleeve (3) from the second state to the first state. Correspondingly, the second rib (4b) extends downward along the direction of rotation of the locking sleeve (3) from the second state to the first state.

7. The circular lamp according to claim 1, characterized in that: The lamp holder (1) has an upwardly extending flange (1c) formed on it. The inner circumferential surface of the locking sleeve (3) is provided with a plurality of circumferentially spaced grooves (3c) that can fasten the flange (1c) from top to bottom. Each groove (3c) can rotate circumferentially along the flange (1c) so that the locking sleeve (3) can rotate circumferentially on the lamp holder (1).

8. The circular lamp according to claim 1, characterized in that: The lamp holder (1) has an annular groove (1d) with its opening facing downwards. The lamp cover (2) extends upwards with a connecting wall (2a) that can extend into the annular groove (1d). A vertically extending limiting rib (2a1) is formed on the connecting wall (2a). A limiting groove (1e) that penetrates the bottom and is adapted to the limiting rib (2a1) is opened on the side wall of the annular groove (1d).

9. The circular lamp according to claim 8, characterized in that: The aforementioned limiting ribs (2a1) and limiting grooves (1e) are provided in multiples. Each limiting rib (2a1) and limiting groove (1e) is distributed circumferentially and corresponds to each other. Each limiting groove (1e) has a guide surface (1e1) at its opening to facilitate the insertion of the limiting rib (2a1) into the limiting groove (1e) from bottom to top.

10. The circular lamp according to claim 8, characterized in that: The lamp holder (1) and the lamp cover (2) surround each other to form a sealed space for accommodating the light source (5). The annular groove (1d) is also provided with a sealing element (6) to enhance the sealing performance between the lamp holder (1) and the lamp cover (2).

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