Rotatable lamp

Abstract

The utility model discloses a rotatable lamp which comprises an LED lamp panel, a rotating mechanism and a ball. The rotating mechanism is arranged in the ball body, the rotating mechanism comprises a main shaft, a gear motor fixedly connected to the upper end of the main shaft and a magnetic attraction linkage assembly linked with the gear motor, the magnetic attraction linkage assembly is linked with the ball body to achieve rotation of the ball body, and the lower end of the main shaft penetrates through the lower end of the ball body to be arranged outside the ball body; and the LED lamp panel is fixedly connected to the main shaft. Linkage is achieved through mutual attraction of the magnets, the situation that a motor or a transmission structure is prone to being damaged when a user forcibly makes the ball body not rotate or forcibly and rapidly rotates the ball body can be avoided, protection on the motor and the transmission structure is improved, the use experience of the user is improved, and meanwhile the production cost of a product is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lamp technical field, especially a rotatable lamp. BACKGROUND

[0002] The moon lamp on the market is all ordinary built-in lamp plus the spherical lamp shade with the similar shape of the moon surface, and the light of the lamp has good ornamental value, and the moon lamp usually adopts the gear or connecting rod type structure to drive the rotation of the sphere, and the structure is directly linked with the motor and the sphere, when the user forcibly makes the sphere not rotate or forcibly rotates quickly, the motor or transmission structure is easily damaged, the product is damaged, the experience of the user is affected, and the transmission structure of the moon lamp on the market is too complex, the parts are relatively more, the production process is tedious, and the cost is increased. UTILITY MODEL CONTENT

[0003] The utility model discloses a rotatable lamp that overcomes the above-mentioned defects in the prior art, and linkage is realized through mutual attraction of magnets, which can avoid the situation that the motor or transmission structure is easily damaged when the user forcibly makes the sphere not rotate or forcibly rotates quickly, improve the protection of the motor and transmission structure, increase the use experience of the user, and reduce the production cost of the product.

[0004] To achieve the above object, the utility model provides a rotatable lamp, which comprises an LED lamp plate, a rotating mechanism and a sphere.

[0005] The rotating mechanism is arranged in the sphere, and the rotating mechanism comprises a main shaft, a speed reducer motor fixed to the upper end of the main shaft, and a magnetic attraction linkage assembly linked with the speed reducer motor.

[0006] The LED lamp plate is fixed to the upper end of the main shaft.

[0007] Further, the upper end and the lower end of the sphere are respectively clamped with an upper cover body and a lower cover body, the magnetic attraction linkage assembly comprises a magnet fixing frame, a first magnet and a second magnet, one end of the magnet fixing frame is linked with the speed reducer motor, the first magnet is fixed to the magnet fixing frame, the second magnet is fixed to the upper cover body, and the other end of the magnet fixing frame is inserted into the upper cover body, so that the first magnet and the second magnet are connected by attraction.

[0008] Further, the upper end of the main shaft extends upward to form two connecting columns, a motor mounting frame is fixed between the two connecting columns, the reduction motor is sleeved on the motor mounting frame to be fixed, and a stepped portion is formed between the connecting columns to accommodate the end of the reduction motor. The motor mounting frame is fixed between the two connecting columns, the stability of the overall structure is enhanced, the vibration during the operation of the motor is reduced, the stepped portion between the connecting columns is used to accommodate the end of the reduction motor, the limited space is fully utilized, the internal layout is more compact, and the miniaturization design is suitable. This structure has obvious advantages in stability, space utilization, installation convenience, heat dissipation, strength and aesthetics.

[0009] Further, two first groove bodies and two second groove bodies extending to the lower end of the main shaft are formed on both sides of the middle part of the main shaft, and the LED lamp plate is sleeved outside the first groove bodies and the second groove bodies and is fixed with the main shaft. The first groove bodies and the second groove bodies can not only be used for placing the wire of the LED lamp plate, but also can form a good ventilation structure on the main shaft, which is helpful to heat dissipation of the LED lamp plate and improves the service life.

[0010] Further, the inner diameter hole penetrating the lower end of the main shaft is arranged in the main shaft, and the first through hole is further arranged on the main shaft, and the first through hole is in communication with the first groove body, the second groove body and the inner diameter hole. The LED lamp plate is sleeved outside the first groove body and the second groove body and is fixed with the main shaft, so that the lamp plate is stably connected and the loosening or damage caused by vibration or external force impact is reduced, the inner diameter hole in the main shaft and the first through hole are in communication with the first groove body and the second groove body, so that the wire is arranged inside the main shaft, external wiring is avoided, and the appearance and safety are improved.

[0011] Further, the lower end of the upper cover body forms a hollow ring structure, a first mounting frame body for clamping the second magnet is arranged in the lower end of the upper cover body, the upper end of the magnet fixing frame is also a hollow ring structure, a second mounting frame body for clamping the first magnet is arranged in the upper end of the magnet fixing frame, the outer diameter of the magnet fixing frame is slightly smaller than the inner diameter of the lower end of the upper cover body, and the diameter of the lower end of the magnet fixing frame is greater than the inner diameter of the lower end of the upper cover body. The first magnet and the second magnet are clamped and fixed through the first mounting frame body and the second mounting frame body respectively, so that the magnet cannot be loosened or fallen off during operation of the equipment, the structural stability is improved, the outer diameter of the magnet fixing frame is slightly smaller than the inner diameter of the lower end of the upper cover body, the mounting frame is inserted into the upper cover body, and the diameter of the lower end is greater, so that the assembly process is simplified and the production efficiency is improved.

[0012] Further, the lower end of the magnet fixing frame is provided with a second cavity in a stepped structure, one side wall of the second cavity is a flat surface, the output shaft of the speed reducer motor is matched with the structure of the second cavity, the output shaft is inserted into the second cavity to realize linkage of the speed reducer motor and the magnet fixing frame.

[0013] Further, the upper and lower ends of the ball body are provided with connecting holes, the connecting holes extend to both sides to form penetrating holes, the side wings of the upper cover body and the lower cover body are provided with plug-in blocks matched with the penetrating holes, the plug-in blocks are rotated to be dislocated with the penetrating holes after penetrating the penetrating holes to realize clamping of the upper cover body, the lower cover body and the ball body.

[0014] Further, two groups of clamping structures are arranged around the connecting holes on the inner wall of the ball body, and the two groups of clamping structures are axisymmetric, each group of clamping structures comprises two clamping protrusions perpendicular to each other.

[0015] Further, the lower cover body is provided with a third cavity, a first bearing is fixed in the third cavity, and the lower end of the main shaft is penetrated with the first bearing.

[0016] Further, the upper fixed shaft is arranged on the fourth cavity, and a second bearing is fixed in the fourth cavity.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] 1. The mutual attraction between the first magnet and the second magnet realizes the linkage between the speed reducer and the ball, when the ball is blocked by external force, the first magnet linked with the ball stops rotating, but the second magnet can still rotate synchronously with the speed reducer, and they do not interfere with each other, thereby avoiding the damage of the speed reduction mechanism and the motor when the user forcibly rotates the ball, thereby prolonging the service life of the product and improving the user experience.

[0019] 2. The upper cover body, the lower cover body and the ball are connected through the connecting hole and the insertion block, so that the structure is more simple, the installation and disassembly are very convenient and fast, and the production cost can be effectively reduced.

[0020] 3. The setting of the stepped portion, the first through hole, the first groove body, the second groove body and the inner diameter hole can not only form good wire safety, but also increase the airflow circulation in the ball, effectively improve the heat dissipation effect of the LED lamp plate in the ball, and improve the service life of the internal electronic devices. DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 is a structure diagram of a rotatable lamp of the present application;

[0023] Figure 2 is Figure 1 an exploded schematic view of

[0024] Figure 3 is Figure 1 a cross-sectional view along line A-A in

[0025] Figure 4 is a structure diagram of a main shaft of the present application;

[0026] Figure 5 is a structure diagram of an upper cover body of the present application;

[0027] Figure 6 is a structure diagram of a magnet fixing frame of the present application;

[0028] Figure 7 is Figure 2 a cross-sectional view along line B-B in

[0029] Figure 8It is the structural schematic view of the lower cover body of the utility model.

[0030] In the figure, there are:

[0031] 1, LED lamp panel;2, rotating mechanism;21, main shaft;211, connecting column body;212, step part;213, first groove body;214, second groove body;215, first through hole;216, inner diameter hole;217 / 71, installation gap;22, speed reducer motor;232, second cavity;233, flat surface;24, motor mounting frame;3, ball;31, upper cover body;311, first mounting frame body;312, plug-in block;313, fourth cavity;32, lower cover body;321, third cavity;33, connecting hole;34, through hole;35, clamping structure;351, clamping protrusion;6, first bearing;7, upper fixed shaft;8, second bearing;9, magnetic attraction linkage assembly;23, magnet fixing frame;231, second mounting frame body;4, first magnet;5, second magnet. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiment of the utility model, the technology in the embodiment of the utility model is described clearly and completely, obviously, the described embodiment is one embodiment of the utility model, rather than all the embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0033] It should be noted that all directionality indications (such as up, down, left, right, front, back...) in the embodiment of the utility model are only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture (as described in the drawings), if the specific posture changes, then the directionality indication also changes accordingly.

[0034] In addition, if the embodiment of the utility model has the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of indicated technical features.

[0035] Please refer to Figures 1 to 8 The embodiment of the utility model provides a rotatable lamp, which comprises: LED lamp panel 1, rotating mechanism 2 and ball 3.

[0036] The rotating mechanism 2 of the embodiment is arranged in the ball 3, and the rotating mechanism 2 comprises a main shaft 21, a speed reducer motor 22 fixed to the upper end of the main shaft 21, and a magnetic attraction linkage assembly 9 connected with the speed reducer motor 22. The magnetic attraction linkage assembly 9 comprises a magnet fixing frame 23, a first magnet 4, and a second magnet 5. One end of the magnet fixing frame 23 is connected with the speed reducer motor, the first magnet 4 is fixed to the magnet fixing frame 23, Figure 3 As shown in the figure, the upper end of the main shaft 21 extends upward to form two connecting columns 211, a motor mounting frame 24 is fixed between the two connecting columns 211, the speed reducer motor 22 is sleeved on the motor mounting frame 24, a stepped portion 212 is formed between the connecting columns 211 for accommodating the end of the speed reducer motor 22, and the end of the speed reducer motor 22 is arranged on the stepped portion 212 after assembly. Preferably, in the embodiment, two first grooves 213 and two second grooves 214 are respectively formed on both sides of the middle portion of the main shaft 21 and extend to the lower end of the main shaft 21, an inner diameter hole 216 is arranged in the main shaft 21 and penetrates the lower end of the main shaft 21, and a first through hole 215 is further arranged on the main shaft 21. The first through hole 215 respectively communicates with the first grooves 213, the second grooves 214, and the inner diameter hole 216, so as to form a continuous channel. In particular, the LED lamp plate 1 is sleeved outside the first grooves 213 and the second grooves 214 and is fixed with the main shaft 21, which not only can be used for placing the wire of the LED lamp plate 1, but also can form a good ventilation structure on the main shaft 21, thereby helping to dissipate heat of the LED lamp plate 1 and improving the service life of the LED lamp plate 1.

[0037] The upper end and the lower end of the ball 3 are respectively clamped with an upper cover body 31 and a lower cover body 32, the second magnet 5 is fixed in the upper cover body 31, the other end of the magnet fixing frame 23 is inserted into the upper cover body 31, so that the first magnet 4 and the second magnet 5 are connected by attraction, and the lower end of the main shaft 21 penetrates the lower cover body 32 and is arranged outside the ball 3. The specific arrangement is as follows, Figure 5 As shown in the figure, the lower end of the upper cover body 31 forms a hollow ring structure, a first mounting frame 311 for clamping the second magnet 5 is arranged in the lower end of the upper cover body 31, Figure 6 As shown in the figure, the upper end of the magnet fixing frame 23 is also a hollow ring structure, a second mounting frame 231 for clamping the first magnet 4 is arranged in the upper end of the magnet fixing frame 23. Preferably, the outer diameter of the magnet fixing frame 23 is slightly smaller than the inner diameter of the lower end of the upper cover body 31, so that the upper end of the magnet fixing frame 23 can be directly inserted into the lower end of the upper cover body 31 during assembly, so that the first magnet 4 and the second magnet 5 are closely arranged and are connected by attraction. After the magnet fixing frame 23 is inserted into the lower end of the upper cover body 31, the magnet fixing frame 23 can be freely rotated and does not abut against the inner wall of the upper cover body 31. The diameter of the lower end of the magnet fixing frame 23 is greater than the inner diameter of the lower end of the upper cover body 31, so that the magnet fixing frame 23 cannot be inserted too deeply and affect the rotation of the magnet fixing frame 23.

[0038] In order to realize the high efficiency linkage of the speed reduction motor 22 and the magnet fixing frame 23, improve the stability of the equipment operation, the lower end of the magnet fixing frame 23 is provided with a second cavity 232 in a stepped structure, one side wall of the second cavity 232 is a flat surface 233, the output shaft of the speed reduction motor 22 is matched with the structure of the second cavity 232, and the output shaft is inserted into the second cavity 232 to realize the linkage of the speed reduction motor 22 and the magnet fixing frame 23.

[0039] For the connection among the upper cover body 31, the lower cover body 32 and the ball body 3, the embodiment adopts a clamping mode, and the specific arrangement is as shown in the drawings. Figure 7 As shown in the drawings, the upper and lower ends of the ball body 3 are both provided with a connecting hole 33, the connecting hole 33 extends to both sides to form a penetrating hole 34, the side wings of the upper cover body 31 and the lower cover body 32 are both provided with an insertion block 312 matched with the penetrating hole 34, the insertion block 312 rotates to be dislocated with the penetrating hole 34 after penetrating through the penetrating hole 34, and the clamping of the upper cover body 31, the lower cover body 32 and the ball body 3 is realized. Preferably, two groups of clamping structures 35 are arranged around the connecting hole 33 on the inner wall of the ball body 3, and the two groups of clamping structures 35 are axially symmetrical, each group of clamping structures 35 includes two clamping protrusions 351 perpendicular to each other. The two groups of clamping structures 35 are arranged in an axial symmetry around the connecting hole 33, form uniformly distributed supporting points, and the stability of the connection between the ball body 3 and the upper cover body 31 and the lower cover body 32 is enhanced, so that loosening or deviation is prevented, the symmetrical distribution of the clamping protrusions 351 makes the stress around the connecting hole 33 more uniform, local stress concentration is reduced, and the durability of the overall structure is improved.

[0040] In order to realize the rotation of the ball body 3, a third cavity 321 is arranged on the lower cover body 32 in the embodiment, a first bearing 6 is fixedly connected in the third cavity 321, and the lower end of the main shaft 21 is connected in an interference fit mode by penetrating the first bearing 6. In this way, the lower end of the ball body 3 is freely rotatable, and the upper fixed shaft 7 is also included in the embodiment, a fourth cavity 313 is arranged on the upper cover body 31, a second bearing 8 is fixedly connected in the fourth cavity 313, and the upper fixed shaft 7 is connected in an interference fit mode by penetrating the second bearing 8. In this way, the upper end of the ball body 3 is positioned and rotatable; in addition, it should be noted that the main shaft 21 and the upper fixed shaft 7 are arranged on the ball body 3 to realize the positioning and rotatable arrangement of the upper and lower ends of the ball body 3 in the embodiment, and in some embodiments, only one shaft arranged outside the ball body 3 can be arranged for positioning and auxiliary rotation, and the other end can be suspended.

[0041] The working principle of the utility model is briefly described as follows: in use, the lower end of the main shaft 21 and the upper fixed shaft 7 are first installed on the lamp fixing seat, as shown in the drawings. Figure 2As shown, in order to be fitted and installed, the flat mounting gap 217 (71) at the lower end of the main shaft 21 and the upper fixed shaft 7 can be directly inserted into the external lamp fixing seat, then powered on, and the speed reducing motor 22 is started. The speed reducing motor 22 of the embodiment is a motor connected with a speed reducing mechanism, and the speed is reduced to 8 revolutions per minute through the speed reducing mechanism. The first magnet 4 and the second magnet 5 can be a magnet, other strong magnet / permanent magnet or other accessory with magnetism. The speed reducing motor 22 drives the magnet fixing frame 23 to rotate, and the first magnet 4 installed in the magnet fixing frame 23 rotates with the magnet fixing frame 23, and the second magnet 5 rotates under the action of the suction force of the first magnet 4, and then the upper cover body 31 rotates. With the rotation of the upper cover body 31, the plug-in block 312 arranged on the upper cover body 31 abuts against the clamping protrusion 351 arranged on the inner wall of the spherical body 3, and the spherical body 3 rotates with the pushing of the plug-in block 312, and the lower cover body 32 also rotates with the cooperation of the clamping protrusion 351 and the plug-in block 312 when the spherical body rotates.

[0042] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A rotatable luminaire, characterized by The utility model relates to a kind of LED lamp panels, rotating mechanism and sphere, including: LED lamp panel (1), rotating mechanism (2) and sphere (3); The rotating mechanism (2) is arranged in the sphere (3), the rotating mechanism (2) includes main shaft (21), the speed reducer motor (22) being fixed to the upper end of the main shaft (21), the magnetic attraction linkage assembly (9) being linked with the speed reducer motor (22), the magnetic attraction linkage assembly (9) is linked with the sphere (3), the rotation of sphere (3) is realized, the lower end of the main shaft (21) is placed outside sphere (3) by the lower end of the main shaft (21) through the lower end of the sphere (3); The LED lamp panel (1) is fixed to the main shaft (21).

2. A rotatable luminaire according to claim 1, wherein, The upper and lower ends of the sphere (3) are respectively clamped with upper cover body (31) and lower cover body (32), the magnetic attraction linkage assembly (9) includes magnet fixed frame (23), first magnet (4) and second magnet (5), one end of the magnet fixed frame (23) is linked with the speed reducer motor, the first magnet (4) is fixed to the magnet fixed frame (23), the second magnet (5) is fixed to the upper cover body (31), the other end of the magnet fixed frame (23) is inserted into the upper cover body (31), so that the first magnet (4) and the second magnet (5) are connected by attraction.

3. A rotatable luminaire according to claim 1, wherein, The upper end of the main shaft (21) extends upwards to form two connecting columns (211), motor mounting bracket (24) is fixed between the two connecting columns (211), the speed reducer motor (22) is sleeved on the motor mounting bracket (24) to be fixed, a step portion (212) is formed between the connecting columns (211) for accommodating the end of the speed reducer motor (22), first groove (213) and second groove (214) are respectively formed on both sides of the middle part of the main shaft (21) and extend to the lower end of the main shaft (21), the LED lamp panel (1) is sleeved outside the first groove (213) and the second groove (214) and is fixed with the main shaft (21).

4. A rotatable luminaire according to claim 3, wherein, The main shaft (21) is provided with an inner diameter hole (216) penetrating the lower end of the main shaft (21), and a first through hole (215) is further provided on the main shaft (21), the first through hole (215) respectively communicates the first groove (213), the second groove (214) and the inner diameter hole (216).

5. A rotatable luminaire according to claim 2, wherein, The lower end of the upper cover body (31) forms a hollow ring structure, a first mounting frame (311) for clamping the second magnet (5) is arranged in the lower end of the upper cover body (31), the upper end of the magnet fixed frame (23) is also a hollow ring structure, a second mounting frame (231) for clamping the first magnet (4) is arranged in the upper end of the magnet fixed frame (23), the outer diameter of the magnet fixed frame (23) is slightly smaller than the inner diameter of the lower end of the upper cover body (31), and the diameter of the lower end of the magnet fixed frame (23) is greater than the inner diameter of the lower end of the upper cover body (31).

6. A rotatable luminaire according to claim 5, wherein, The lower end of the magnet fixing frame (23) is provided with a second cavity (232) in a stepped structure, one side wall of the second cavity (232) is a flat surface (233), the output shaft of the speed reducer motor (22) is matched with the structure of the second cavity (232), the output shaft is inserted into the second cavity (232) to realize linkage of the speed reducer motor (22) and the magnet fixing frame (23).

7. A rotatable luminaire according to claim 2, wherein, Both upper and lower ends of the ball body (3) are provided with connecting holes (33), the connecting holes (33) extend to both sides to form penetrating holes (34), the side wings of the upper cover body (31) and the lower cover body (32) are provided with plug blocks (312) matched with the penetrating holes (34), the plug blocks (312) rotate to be dislocated with the penetrating holes (34) after penetrating the penetrating holes (34), thereby realizing clamping of the upper cover body (31), the lower cover body (32) and the ball body (3).

8. A rotatable luminaire according to claim 7, wherein, Two groups of clamping structures (35) are arranged around the connecting holes (33) on the inner wall of the ball body (3), and the two groups of clamping structures (35) are axisymmetric, each group of clamping structures (35) includes two clamping protrusions (351) perpendicular to each other.

9. A rotatable luminaire according to claim 2, wherein, The lower cover body (32) is provided with a third cavity (321), a first bearing (6) is fixedly connected in the third cavity (321), and the lower end of the main shaft (21) penetrates the first bearing (6).

10. A rotatable luminaire according to claim 2, wherein, An upper fixed shaft (7) is further included, a fourth cavity (313) is arranged on the upper cover body (31), a second bearing (8) is fixedly connected in the fourth cavity (313), and the upper fixed shaft (7) penetrates the second bearing (8).

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