TWI715365B - Ceiling light - Google Patents

Abstract

The invention discloses a ceiling lamp, comprising a mounting base and a lamp body. The mounting base is used for pre-installing on a base. The mounting base and the lamp body are clamped through a clamping structure. The clamping structure includes a clamping block and a clamping slot. The clamping block is arranged in On the mounting base or the lamp body, a clamping slot is provided on the other of the mounting base or the lamp body, and the clamping slot allows the clamping block to slide relative to the clamping slot after being clamped, so that the lamp body rotates in a circumferential direction relative to the mounting base. With the ceiling lamp with the above structure, the rotation direction can be adjusted freely after the lamp body is installed on the mounting base, which solves the problem that the fixed position deviation of the mounting base affects the overall installation effect of the ceiling lamp when the existing ceiling lamp is installed.

Description

Ceiling light

The invention relates to the field of lamp body structure, in particular to a ceiling lamp.

In the prior art, ceiling lamps are usually fixed in the following two ways. One is to fix the lamp holder with screws, that is, to pass the screw through the lamp holder and fix it on the ceiling, and then fix the lamp body on the lamp holder. Adjust the direction of rotation according to your needs; the other is to fix the two sides with screws and hanging plates, first fix the hanging plate on the ceiling, then install the lamp holder, then use the screws to lock the lamp holder from both sides, and then fix the lamp body. After this method is installed, the lamp body can no longer adjust the direction of rotation as required. In the field construction, due to the various shapes of the lamp body, if the position of the fixture corresponding to the lamp body is offset from the predetermined position when the lamp holder is fixed, the lamp body will also be offset or even skewed when fixed to the lamp holder. Have a greater impact on the overall installation effect of the ceiling lamp.

The purpose of the present invention is to overcome the above-mentioned defects or problems in the background art, and provide a ceiling lamp, so that the lamp body can be fixed to the mounting base and still be able to freely adjust the rotation direction, which solves the problem of the fixed position of the mounting base when the existing ceiling lamp is installed. Offset affects the overall installation effect of the ceiling lamp.

To achieve the above objective, the present invention adopts the following technical solutions:

As a first technical solution, specifically a ceiling lamp, including a mounting base and a lamp body; the mounting base is used to be pre-installed on the base; the mounting base and the lamp body are clamped by a clamping structure, the clamping structure includes The card block and the card slot; the card block is provided on the mounting base or the lamp body, the card slot is provided on the other of the mounting base or the lamp body; the card slot allows the card block to be opposite to the card slot after being locked Slide to make the lamp body rotate in the circumferential direction relative to the mounting seat.

On the basis of the first technical solution, there is also a second technical solution: the mounting base or the lamp body is provided with a side wall, and the side wall is provided with a circular or arc-shaped card slot, and the card slot allows The block slides relative to the card slot along an arc-shaped track.

On the basis of the first technical solution, there is a third technical solution: the mounting base or the lamp body is provided with a side wall, and the side wall is provided with an annular or arc-shaped flange inward or outward. The flange forms a part of the clamping groove, and the flange allows the clamping block to slide relative to the flange along an arc-shaped track.

On the basis of the second or third technical solution, there is also a fourth technical solution: a connecting plate is provided on the other of the mounting base or the lamp body, and the clamping block is radially slidably connected to the connection The plate extends to the side wall; the clamping block slides radially to be clamped with or withdrawn from the clamping slot.

On the basis of the fourth technical solution, there is also a fifth technical solution: the number of the clamping blocks is at least one pair, and each pair of clamping blocks are arranged opposite to each other in a radial direction.

On the basis of the fourth technical solution, there is also a sixth technical solution: further comprising an elastic member, a top plate is fixedly arranged on the connecting plate, and the elastic member is installed between the top plate and the clamping block, In order to keep the card block in the card slot without external force.

On the basis of the fifth technical solution, there is also a seventh technical solution: further comprising an elastic member, a top plate is fixedly arranged on the connecting plate, and the elastic member is installed between the top plate and the clamping block, In order to keep the card block in the card slot without external force.

On the basis of the seventh technical solution, there is an eighth technical solution: the clamping block is provided with a chuck radially outward, and the clamping groove is opposite to the chuck; radially inward After pushing the clamping block and making the clamping head extend into the plane where the clamping slot is located, the clamping block is released, and the elastic member pushes the clamping block to reset, so that the clamping head is clamped with the clamping slot.

On the basis of the eighth technical solution, there is also a ninth technical solution: the connecting plate is arranged on the lamp body, the side wall is arranged on the mounting seat; the clamping blocks include mutually fixed The block body, the push block, the claw and the clamp head are connected or connected as a whole; the connecting plate is provided with a sliding groove along the radial direction; the clamping block body is slidingly connected with the sliding groove; The push stop is located at one end of the body and extends to the mounting seat; the claw is located at the other end of the body and extends to the mounting base; the chuck is located at the free end of the claw.

On the basis of the second technical solution, there is also a tenth technical solution: the other of the mounting base or the lamp body is provided with a blocking block extending toward the side wall, and the blocking block is provided with an inclined surface Push the lamp body in the direction of the mounting seat, and the side wall presses against the inclined surface of the chuck to elastically deform the chuck until the chuck is fully extended into the groove and resumes its deformation.

On the basis of the third technical solution, there is also an eleventh technical solution: the other of the mounting base or the lamp body is provided with a clamping block extending to the side wall, and the clamping block is provided with a belt The inclined chuck pushes the lamp body in the direction of the mounting seat, and the flange abuts against the inclined surface of the chuck to make the clamping block elastically deform until the chuck is fully extended into the groove and recovers its deformation.

On the basis of the second technical solution, there is a twelfth technical solution: the side wall is provided with a through groove perpendicular to the card slot, and the through groove opens to the free end of the side wall; The block is a convex block fixed on the mounting base or the other of the lamp body, and the lamp body is pushed in the direction of the mounting base, so that the convex block passes through the through slot and is located in contact with the The card slot is parallel to the plane; and then by rotating the lamp body, the protrusion enters the card slot.

On the basis of the third technical solution, there is a thirteenth technical solution: the flange is provided with a notch; the clamping block is a convex block fixed on the other of the mounting base or the lamp body, and the The lamp body is pushed in the direction of the mounting seat so that the convex block passes through the gap; and the lamp body is rotated to make the convex block enter the card slot.

From the above description of the present invention, it can be seen that compared with the prior art, the present invention has the following beneficial effects:

1. The ceiling lamp provided by the present invention includes a mounting base and a lamp body. The mounting base is pre-installed on the base and is clamped with the lamp body through a clamping structure. The clamping connection mode reduces the installation difficulty of the lamp body; at the same time, The clamping structure includes a clamping block and a clamping slot, and the clamping block can slide relative to the clamping slot after being clamped, so that the lamp body can rotate in the circumferential direction relative to the mounting base; after the lamp body is clamped to the mounting base, the lamp body It is fixed and will not fall. At the same time, because there is space for the sliding block in the card slot, the lamp body can freely adjust the rotation direction when the mounting seat is fixed, so that the direction of the lamp body of the ceiling lamp is regular and appropriate, which solves the existing problem. When the ceiling lamp is installed, the fixed position of the mounting seat is shifted and the direction of the lamp body cannot be adjusted at the same time, which leads to the problem of poor overall appearance of the ceiling lamp.

2. A ceiling lamp provided by the present invention is provided with a side wall for opening a card slot. The card slot can have a ring-shaped or arc-shaped slot structure, so that the card block can slide relative to the card slot with an arc track after being clamped, and then The clamped lamp body can be rotated in the circumferential direction, which is convenient for adjusting the direction of the lamp body. At the same time, the groove-shaped structure is convenient to process, and can be directly milled on the side wall, and the production efficiency is high.

3. The ceiling lamp provided by the present invention is provided with a side wall for setting a flange. The flange is a ring or arc structure protruding from the side wall and arranged inward or outward. The plane forms a card slot, and the card block can slide relative to the flange in an arc-shaped track after being clamped on the flange, so that the clamped lamp body can be rotated in the circumferential direction to facilitate the adjustment of the lamp body direction; at the same time, the flange structure It is easy to install. When pushing the lamp body towards the mounting seat, you can directly push the upper surface of the lamp body to the lower edge of the side wall without aligning the clamping block with the flange, and then lower the lamp body to make it fall to be clamped. The upper surface of the flange.

4. The ceiling lamp provided by the present invention is also provided with a connecting plate. The clamping block is radially slidably connected to the connecting plate and extends to the side wall. The clamping block can be clamped with or withdrawn from the clamping slot by radial sliding. The way of sliding connection restricts the sliding direction of the clamping block, so that the clamping block can only slide radially inward or outward, so that the clamping connection between the mounting base and the lamp body is firmer, and it is also convenient to align the clamping during the installation process. Block force to reduce installation difficulty.

5. In the ceiling lamp provided by the present invention, the number of clamping blocks is set to at least one pair, and no pair of clamping blocks are arranged opposite to each other in a radial direction. The paired clamping structure enables the lamp body to maintain a balanced state after installation, avoiding the lamp body Drop.

6. The ceiling lamp provided by the present invention further includes an elastic member, which acts between the top plate on the connecting plate and the clamping block, and the elastic member applies force to the clamping block to keep the clamping block in contact with the clamping block when not subjected to other external forces. The clamping of the slot; through the force of the elastic member, only one direction of force is applied to the clamping block during installation. The elastic member can automatically reset the clamping block, reducing the difficulty of installation.

7. The ceiling lamp provided by the present invention is provided with a clamp head extending radially outwards on the clamping block, and the direction of the clamping groove and the clamping head is opposite, and it can be installed by applying a radially inward force to the clamping block. Push the chuck to extend into the plane where the card slot is located, and then release the chuck to reset it through the elastic piece to complete the clamping; since the pressure applied to the chuck is radially inward, the installer When supporting the lamp body with both hands, the single finger on both hands can easily push the clamping block to slide inward, which reduces the difficulty of installation and disassembly.

8. A ceiling lamp provided by the present invention. The clamping block includes a block body, a push block, a claw and a clamping head, which are fixedly connected to each other or connected as a whole, and the block body is slidably connected to the sliding groove on the connecting plate. , The stopper part is located at one end of the block body, and the claw is at the other end of the body, and the stopper part and the claw extend in the same direction, so that the block forms a "concave" structure, and the clamp head is set on the claw The free end, since the card slot is provided on the side wall, the lower edge of the side wall has a certain distance from the position of the card slot. When the card head is engaged with the card slot, the lower edge of the side wall can extend into the "concave" part of the card block Therefore, the length of the claw can be reduced, thereby reducing the overall thickness of the lamp body, and improving the aesthetics of the ceiling lamp.

9. The ceiling lamp provided by the present invention adopts an elastically deformable clamp block, and the clamp head provided on the clamp block has a slope. When the lamp body is pushed toward the mounting seat, the side wall or flange abuts against the clamp head. The inclined plane makes the clamping block elastically deform in the direction perpendicular to the side wall. After continuing to push the lamp body to make the clamping head reach the position of the clamping slot, the clamping head is not forced to restore the deformation of the clamping block and engage with the clamping slot. In other words, only need to continue to push the lamp body to the direction of the mounting seat to complete the clamping, the installation process is simple and convenient.

10. In the ceiling lamp provided by the present invention, the clamping block is set as a convex block on the mounting seat or the lamp body, and when the clamping slot is a circular or arc-shaped slot provided on the side wall, a through slot is also provided on the clamping slot; When an annular or arc-shaped flange is provided on the side wall, the flange is provided with a notch; the bump can pass through the slot or the notch and extend into the plane where the slot or flange is located, and then turn the lamp body to make the bump Enter into the slot or above the flange to complete the clamping. For the installer, only need to align the clamping block with the slot or notch, continue to push the lamp body to a certain height, and then turn the lamp body to make the block enter The clamping can be completed just above the clamping slot or flange, and the installation process is simple and convenient.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are preferred embodiments of the present invention, and should not be regarded as excluding other embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Unless otherwise clearly defined in the scope of patent application of the present invention, the specification and the above-mentioned drawings, the terms "first", "second" or "third" are used to distinguish between different objects, not Describe the specific order.

Unless otherwise clearly defined in the scope of the patent application of the present invention, the specification and the above-mentioned drawings, the terms "center", "horizontal", "longitudinal", "horizontal", "vertical", and "top" are used for orientation words unless otherwise clearly defined. , "Bottom", "Inner", "Outer", "Up", "Down", "Front", "Back", "Left", "Right", "Clockwise", "Counterclockwise" and other indication directions or The positional relationship is based on the orientation and positional relationship shown in the drawings, and is only used to facilitate the description of the present invention and simplify the description, and does 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 Therefore, it cannot be understood as limiting the specific protection scope of the present invention.

Unless otherwise clearly defined in the scope of patent application of the present invention, the specification and the above drawings, if the term "fixed connection" or "fixed connection" is used, it should be understood in a broad sense, that is, there is no displacement relationship and relative rotation relationship between the two Any connection method of, that is to say, includes non-detachable fixed connection, detachable fixed connection, connection as a whole, and fixed connection through other devices or elements.

In the scope of patent application of the present invention, the specification and the above-mentioned drawings, if the terms "including", "having" and their variations are used, it is intended to "include but not be limited to".

Referring to Figure 1, Figure 1 shows an embodiment of the ceiling lamp provided by the present invention. This embodiment 1 includes a mounting base 1 and a lamp body 2. The mounting base 1 and the lamp body 2 are clamped by a clamping structure, and the mounting base 1 Pre-installed on the base such as ceiling and wall.

The clamping structure includes a clamping block 4 and a clamping slot 5, and the clamping block 4 is provided with a clamping head 41 radially outward.

The mounting seat 1 has a side wall 3 extending downward from the edge, and the card slot 5 is provided in the side wall 3. In the first embodiment, the card slot 5 is an annular through groove that penetrates the side wall 3. In other embodiments, it can also be provided in the side wall. 3 on the ring or arc groove.

The lamp body 2 is provided with a connecting plate 21, and the clamping block 4 is slidably connected to the connecting plate 21 in a radial direction.

During installation, push the lamp body 2 toward the direction of the mounting base 1, and at the same time apply a radially inward force to the block 4, so that the block 4 slides toward the center of the lamp body 2, and the clamp 41 reaches the card On the plane where the slot 5 is located, the clamping block 4 is then pulled radially outwards, so that the clamping head 41 is inserted into the clamping slot 5 to complete the clamping connection. After the clamping block 4 and the clamping slot 5 are clamped, since the clamping slot 5 is an annular through groove, when the lamp body 2 is rotated in the circumferential direction, the clamping head 41 can slide along the clamping slot 5 in an arc-shaped track, so that the lamp body 2 Rotate freely to adjust the angle and direction.

On the basis of embodiment 1, the present invention also provides embodiment 2, as shown in FIG. 2, which differs from embodiment 1 in that it also includes an elastic member 23, and a top plate 22 is fixed on the connecting plate 21. The elastic member 23 is installed between the top plate 22 and the block 4. The elastic member 23 exerts a radially outward force on the clamping block 4. When the lamp body 2 is installed on the mounting base 1, the elastic member 23 will automatically push the clamping block 4 outward after removing the force exerted on the clamping block 4 Pushing makes the buckle 41 engage with the card slot 5.

Wherein, the card slot 5 can be a through slot that penetrates through the side wall 3 in Embodiment 2, or a sink slot in Embodiment 3 shown in FIG. 3, or a slot provided in the side wall 3 in Embodiment 4 shown in FIG. The upper inward or outward ring-shaped or arc-shaped flange 51, in embodiment 4, the flange 51 and the bottom plate of the mounting seat 1 form a card slot 5, in the embodiment 5 shown in FIG. 5, the flange 51 A card slot 5 is formed with the base on which the mounting seat 1 is located. The flange 51 is the lower edge of the card slot 5, and since the flange 51 is circular or arc-shaped, it can be moved along the The flange 51 slides in an arc-shaped trajectory.

In addition, in addition to the bending shape shown in the embodiments 1-5, the chuck 41 can also have the shape shown in the embodiment 6, the embodiment 7 and the embodiment 8 as shown in FIGS. 6, 7 and 8. The shape of the inclined surface, the lower edge of the side wall 3 or the flange 51 can be pressed against the inclined surface of the chuck 41 during installation, so that the chuck 4 is forced to slide radially inward, and when the chuck 41 reaches the lower edge of the groove 4 Pushed by the elastic member 23 to automatically reset.

As shown in Figures 5 and 6, the orientation of the flange 51 can be outward or inward, and the orientation of the corresponding chuck 41 is also inward or outward; similarly, the card slot 4 provided on the side wall 3 When it is a countersink, the direction of the notch can also be outward or inward, and the direction of the corresponding chuck 41 is also inward or outward.

As shown in the embodiment 7 shown in Fig. 7, the clamping block 4 can also be arranged on the mounting base 1, and the flange 51 can be arranged on the lamp body 2 accordingly. The difference between this embodiment and the above-mentioned embodiments 1-6 is that the connection The plate 21 is arranged on the mounting base 1, and the side wall 3 is arranged on the lamp body. During installation, the lamp body 2 is also pushed toward the direction of the mounting base 1, while the clamp 4 is forced to slide to a specific position in the radial direction. After the clamp 41 reaches the plane where the flange 51 is located, remove With the force applied to the clamping block 4, the elastic member 23 can automatically reset the clamping block 4 so that the clamping head 41 and the flange 51 are clamped.

In the above-mentioned embodiments 1-7, by applying pressure to the clamping block 4, the clamping head 41 can be detached from the clamping slot 5 or the flange 51, and the lamp body 2 can be disassembled.

At the same time, as a preferred technical solution, in the above-mentioned embodiments 1-7, the block 4 used has a structure as shown in FIG. 11, and the block 4 includes a block body 42, a push portion 43, and a claw 44. And the chuck 41, a sliding groove is radially provided on the connecting plate 21, the chuck block body 42 is slidably connected to the chuck, the push part 43 is located at one end of the block body 42, and the claw 44 is located at the other end of the block body 42. The chuck 41 is located at the free end of the claw 44. When the connecting plate 21 is provided on the lamp body 2 and the side wall 3 is provided on the mounting base 1, the blocking portion 43 and the claw 44 both extend toward the direction of the mounting base 1.

In the embodiment provided with the elastic member 23, the two ends of the elastic member 23 act on the top plate 22 and the claw 44 respectively or act on the 22 and the block body 42 respectively.

The blocking portion 43 and the claw 44 make the block 4 form a "concave" structure, and the lower edge of the side wall 3 can extend into the middle of the block 4, which can effectively reduce the thickness of the block 4, thereby reducing the overall lamp body thickness.

At the same time, the setting of the push block 43 can make it more convenient to apply force to the block 4. In Embodiments 2, 3, 4, and 6, the chuck 41 faces outwards, and a radially inward force is applied to the chuck block 4 through the pusher part 43, and then the chuck block 4 is reset by the elastic member 23 to reset The lamp body 2 is clamped to the mounting base 1. In the above process, the installer can use most of the palm of the hand to support the lamp body 2, and only need a single finger of both hands to push the block 4 inward, and continue to push the lamp body after the block 4 reaches a specific position 2. The force exerted on the block 4 can be released, and the elastic piece 23 automatically resets the block 4, making it easier to apply force during the installation process, which greatly reduces the difficulty of installation.

Embodiment 8 and Embodiment 9 as shown in Figures 8 and 9, the difference from the previous embodiment is that the clamping block 4 is fixed on the lamp body 2 and extends in the direction of the mounting base 1. 4 is provided with a chuck 41 with a bevel. In Embodiment 8 and Embodiment 9, a flange 51 is provided on the side wall 3 of the mounting base 1, and the flange 51 can be used for clamping with the chuck 4. In the process of pushing the lamp body 2 toward the direction of the mounting base 1, the flange 51 abuts against the inclined surface of the chuck 41 so that the chuck 4 is elastically deformed. When the force of the flange 51 on the chuck 41 disappears, the chuck 41 The deformation of the block 4 is restored and the clamping head 41 is clamped with the flange 51.

In other embodiments, the clamping groove 4 may also be a circular or arc-shaped through groove or a counter groove provided on the side wall 3, and the inclined surface of the clamping head 41 abuts against the free end of the side wall 3, thereby deforming the clamping block 4 .

10A and 10B shown in the embodiment 10, the difference from the previous embodiment is that the clamping block 4 is a convex block fixed on the lamp body 2, the clamping slot 5 is provided on the side wall 3, and The slot 5 is provided with a through slot 52 perpendicular to the slot 5, and the through slot 52 is open to the free end of the side wall 3. Align the clamping block 4 of the lamp body 2 with the through slot 52 on the mounting base 1 and continue to push, so that the clamping block 4 passes through the through slot 52 and is located on a plane parallel to the clamping slot 5, and then rotates the lamp body 2 Push the card block 4 into the card slot 5 to complete the card connection.

In the above-mentioned embodiments, it is necessary to pre-install the mounting base 1 on the base, and then clamp the lamp body 2 and the mounting base 1 in place, and then the position can be adjusted by rotating the lamp body 2. A power contact is provided on the side of the middle of the mounting base 1 facing the base, which can be connected to the circuit line on the base. A ring and hole-shaped lamp holder is provided on the side of the middle of the mounting base 1 away from the base. It is provided with a copper sheet electrically connected to the power contact, and two copper posts are arranged on the upper surface of the lamp body 2 opposite to the lamp holder. The copper posts can be inserted into the hole-shaped and ring-shaped lamp sockets respectively, and inserted into the hole-shaped lamp The copper column of the socket can be rotated in the lamp socket, and the copper column inserted into the ring lamp socket can slide along the lamp socket, so that the electrical connection between the lamp body and the mounting socket is not broken when the lamp body rotates. The inside of the lamp body 2 is provided with an interface for installing the lamp tube at a position corresponding to the copper column to supply power to the lamp tube.

The ceiling lamp provided by the present invention is provided with a mounting base 1 pre-installed on the base and a lamp body 2 for installing a light-emitting lamp source, and the mounting base 1 and the lamp body 2 are clamped through the clamping structure, and the clamp The shape and structure of the clamping block 4 and the clamping slot 5 in the structure enable the clamping block 4 to slide relative to the clamping slot 5 in an arc-shaped track after being clamped in place, so that the lamp body 2 can still follow the circumferential direction after being clamped in place By turning, the purpose of quickly adjusting the position of the lamp body 2 is achieved. At the same time, the lamp body 2 can be quickly dismantled and installed by means of a snap connection, and the difficulty of installation and disassembly is greatly reduced.

The descriptions in the foregoing specification and embodiments are used to explain the protection scope of the present invention, but do not constitute a limitation on the protection scope of the present invention. Through the enlightenment of the present invention or the above-mentioned embodiments, those of ordinary skill in the art can combine common knowledge, common technical knowledge in the field, and/or the existing technology, through logical analysis, reasoning, or limited experimentation, and can obtain a comparison of the embodiments of the present invention or Modifications, equivalent replacements or other improvements of some of the technical features shall be included in the protection scope of the present invention.

1: Mounting seat 2: Lamp body 21: connecting plate 22: top plate 23: Elastic 3: sidewall 4: card block 41: card header 42: card block body 43: Push block 44: Claw 5: Card slot 51: flange

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the drawings needed in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative work, other drawings can be obtained from these drawings. Figure 1 is a schematic structural diagram of Embodiment 1 of the present invention; Figure 2 is a schematic structural diagram of Embodiment 2 of the present invention; Figure 3 is a schematic structural diagram of Embodiment 3 of the present invention; 4 is a schematic structural diagram of Embodiment 4 of the present invention; Figure 5 is a schematic structural diagram of Embodiment 5 of the present invention; 6 is a schematic structural diagram of Embodiment 6 of the present invention; FIG. 7 is a schematic structural diagram of Embodiment 7 of the present invention; 8 is a schematic structural diagram of Embodiment 8 of the present invention; Figure 9 is a schematic structural diagram of Embodiment 9 of the present invention; 10A is a schematic structural diagram of Embodiment 10 of the present invention; 10B is an exploded schematic diagram of the structure of Embodiment 10 of the present invention; Fig. 11 is a schematic diagram of the structure of the card block described in embodiment 1-7.

1: Mounting seat

2: Lamp body

21: connecting plate

22: top plate

23: Elastic

3: sidewall

4: card block

41: card header

51: flange

Claims (12)

A ceiling lamp includes a mounting base and a lamp body; the mounting base is used to be pre-installed on a base; the mounting base and the lamp body are clamped by a clamping structure, and the clamping structure includes a clamping block and a clamping slot; The clamping block is arranged on the mounting base or the lamp body, the clamping slot is arranged on the other of the mounting base or the lamp body; the mounting base or the lamp body is provided with side walls, and the mounting base or the lamp body The other is provided with a connecting plate, and the clamping block is slidably connected to the connecting plate in the radial direction and extends toward the side wall; the clamping block is slid radially to be engaged with or out of the clamping slot The card slot allows the card block to slide relative to the card slot after the card is connected, so that the lamp body rotates in the circumferential direction relative to the mounting seat. The ceiling lamp according to claim 1, wherein the mounting seat or the lamp body is provided with a side wall, and a ring-shaped or arc-shaped card slot is opened on the side wall, and the card slot allows the card block to follow an arc track Sliding relative to the card slot. The ceiling lamp according to claim 1, wherein the side wall is provided with an annular or arc-shaped flange inward or outward, the flange forms a part of the card slot, and the flange allows The block slides relative to the flange along an arc-shaped trajectory. The ceiling lamp according to claim 2 or 3, wherein the number of the clamping blocks is at least one pair, and the clamping blocks of each pair are arranged opposite to each other in a radial direction. The ceiling lamp according to claim 2 or 3, which further comprises an elastic member, a top plate is fixedly arranged on the connecting plate, and the elastic member is installed between the top plate and the clamping block to make the card The block maintains the card connection with the card slot when it is not subjected to external force. The ceiling lamp according to claim 4, which further comprises an elastic member, a top plate is fixedly arranged on the connecting plate, and the elastic member is installed between the top plate and the clamping block, so that the clamping block is Keep the card connection with the card slot when not affected by external force. The ceiling lamp according to claim 6, wherein the clamping block is provided with a clamping head extending radially outward, and the clamping slot is opposite to the clamping head; pushing the clamping block radially inward, and After the card head is extended to the plane where the card slot is located, the card block is released, and the elastic member pushes the card block to reset, so that the card head is engaged with the card slot. The ceiling lamp according to claim 7, wherein the connecting plate is arranged on the lamp body, and the side wall is arranged on the mounting seat; and the clamping blocks are fixed to each other or integrally connected The block body, the push block, the claw and the clamp head; the connecting plate is provided with a sliding groove along the radial direction; the block body is slidably connected with the sliding groove; the push block It is located at one end of the body and extends to the mounting seat; the claw is located at the other end of the body and extends to the mounting seat; the chuck is located at the free end of the claw. The ceiling lamp according to claim 2, wherein the other of the mounting seat or the lamp body is provided with a clamping block extending to the side wall, and the clamping block is provided with a beveled clamping head, The lamp body is pushed in the direction of the mounting seat, and the side wall presses against the inclined surface of the chuck to elastically deform the chuck until the chuck is fully extended into the groove and resumes its deformation. The ceiling lamp according to claim 3, wherein the other of the mounting seat or the lamp body is provided with a clamping block extending to the side wall, and the clamping block is provided with a beveled clamping head, The lamp body is pushed in the direction of the mounting seat, and the flange abuts against the inclined surface of the chuck to elastically deform the chuck until the chuck is fully extended into the groove and recovers its deformation. The ceiling lamp according to claim 2, wherein the side wall is provided with a through groove perpendicular to the card slot, and the through groove opens to the free end of the side wall; the clamp block is solid Located at The protrusion on the other of the mounting base or the lamp body pushes the lamp body in the direction of the mounting base so that the protrusion passes through the through slot and is located on a plane parallel to the card slot; By rotating the lamp body, the convex block enters the card slot. The ceiling lamp according to claim 3, wherein the flange is provided with a notch; the clamping block is a convex block fixed on the other of the mounting base or the lamp body, and the lamp body faces the Push in the direction of the mounting seat to make the protrusion pass through the gap; and then turn the lamp body to make the protrusion enter the slot.

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