Tree-shaped decorative lamp

Abstract

A tree-shaped decorative lamp (10). The tree-shaped decorative lamp (10) comprises a lamp housing (100), a light-emitting body (200), and a base (300). The lamp housing (100) is shaped as a tree, an accommodating cavity is formed in the lamp housing (100), a mounting portion (110) is formed at the lower end of the lamp housing (100), and an electrical contact (120) is further arranged at the lower end of the lamp housing (100). The light-emitting body (200) is arranged in the accommodating cavity, and the light-emitting body (200) is electrically connected to the electrical contact (120). A power supply unit (400) is arranged in the base (300), a mounting recess (301) is formed in the top surface of the base (300), a conductive structure (310) is arranged in the mounting recess (301), and the conductive structure (310) is electrically connected to the power supply unit (400). The mounting portion (110) is detachably mounted in the mounting recess (301), and when the mounting portion (110) is mounted in the mounting recess (301), the electrical contact (120) is in contact with the conductive structure (310).

Description

Tree-shaped decorative lights Technical Field

[0001] This application relates to the field of decorative lighting technology, and in particular to a tree-shaped decorative light. Background Technology

[0002] Tree-shaped decorative lights are decorative lights that mimic the shape of a tree, providing both illumination and strong visual appeal. Therefore, tree-shaped decorative lights can be widely used in various settings such as plazas, courtyards, hotel lobbies, living rooms, or bedrooms.

[0003] In related technologies, tree-shaped decorative lights, including the upper lamp housing and the lower base, are constrained by wires, making it difficult to completely separate the lamp housing and the lower base. This makes it inconvenient when the base needs to be repaired separately. Summary of the Invention

[0004] To solve the above-mentioned technical problems, it is necessary for the present invention to provide a tree-shaped decorative lamp.

[0005] The present invention provides a tree-shaped decorative lamp to solve the technical problem that, due to the constraint of the wires, it is difficult to completely separate the lamp housing and the base. This makes it inconvenient when the base needs to be repaired separately.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] In a first aspect, the present invention provides a tree-shaped decorative lamp, comprising:

[0008] The lamp housing is constructed in the shape of a tree, the interior of the lamp housing is provided with a receiving cavity, the lower end of the lamp housing is formed with a mounting part, and the lower end of the lamp housing is also provided with an electrical contact.

[0009] A light-emitting element is disposed in the receiving cavity and is electrically connected to the electrical contact.

[0010] A base, wherein a power supply unit is provided inside the base, and a mounting groove is formed on the top surface of the base. A conductive structure is provided in the mounting groove, and the conductive structure is electrically connected to the power supply unit.

[0011] The mounting part is detachably mounted in the mounting groove, and when the mounting part is mounted in the mounting groove, the electrical contact is in contact with the conductive structure.

[0012] In one embodiment, the mounting part is a columnar structure, the mounting groove is a circular groove, and the mounting part can be connected to the base by rotating relative to the mounting groove; the side wall of the mounting part is formed with an external thread; the inner wall of the mounting groove is formed with an internal thread, and the internal thread is adapted to the external thread so that the mounting part can be connected to the base by a threaded engagement.

[0013] In one embodiment, the electrical contact is disposed at the bottom of the mounting portion, and there are two electrical contacts, the distances of the two electrical contacts from the center of the columnar structure are not equal;

[0014] The conductive structure includes a first conductive sheet and a second conductive sheet, which are located on the bottom wall of the mounting groove. The first conductive sheet and the second conductive sheet are used to contact different electrical contacts.

[0015] The first conductive sheet is a circular conductive sheet, and the second conductive sheet is an annular conductive sheet that surrounds the first conductive sheet, with a gap between the first conductive sheet and the second conductive sheet.

[0016] In one embodiment, the mounting part is a sleeve structure;

[0017] The mounting slot is provided with a plug-in post, and the sleeve structure can be inserted into the mounting slot and sleeved on the plug-in post;

[0018] The electrical contact is disposed inside the sleeve structure;

[0019] The plug is a hollow structure, and the conductive structure is located inside the plug. The upper surface of the plug has a through hole, and the contact can be inserted into the through hole and make contact with the conductive structure.

[0020] In one embodiment, the conductive structure is a cylindrical structure, the upper end of which is connected to the top wall of the plug post, and the contact can extend into and contact the cylindrical structure.

[0021] In one embodiment, the inner wall surface of the sleeve structure includes at least one first planar portion, and the outer wall surface of the plug post includes at least one second planar portion, the number of second planar portions being equal to the number of first planar portions, and the second planar portions being used to contact the first planar portions to restrict the rotation of the sleeve structure relative to the plug post;

[0022] And / or, the outer wall surface of the sleeve structure includes at least one third planar portion, and the inner wall surface of the mounting groove includes at least one fourth planar portion, the number of the fourth planar portions being equal to the number of the third planar portions, the fourth planar portions being used to contact the third planar portions to restrict the rotation of the sleeve structure relative to the mounting groove.

[0023] In one embodiment, the mounting portion and / or the mounting groove are provided with a limiting structure, which abuts against the mounting portion or the mounting groove when the mounting portion is mounted in the mounting groove to restrict the rotation of the mounting portion relative to the mounting groove in at least one direction.

[0024] In one embodiment, the mounting part is a columnar structure, the mounting groove is a circular groove, and the mounting part can be connected to the base by rotating relative to the mounting groove.

[0025] In one embodiment, the limiting structure includes a first protrusion and a second protrusion, the first protrusion being formed on the outer wall of the mounting portion and extending circumferentially along the mounting portion, and the second protrusion being formed on the inner wall of the mounting groove and extending axially along the mounting groove.

[0026] When the mounting part is inserted into the mounting groove and rotated to a preset angle, the side edge of the first protrusion abuts against the side edge of the second protrusion.

[0027] In one embodiment, the mounting groove is further provided with a third protrusion, which extends circumferentially along the mounting groove and is higher than the second protrusion;

[0028] When the mounting part is inserted into the mounting slot and rotated to a preset angle, the upper edge of the first protrusion abuts against the lower edge of the third protrusion.

[0029] In one embodiment, the limiting structure includes a first protrusion and a limiting groove. The first protrusion is formed on the side wall of the mounting portion and extends axially along the mounting portion. The limiting groove is an L-shaped groove and is formed on the inner wall of the mounting groove. The limiting groove includes a first groove extending axially along the mounting groove and a second groove extending circumferentially along the mounting groove.

[0030] During the process of installing the lamp housing onto the base, when the first protrusion is inserted into the first groove through the opening of the first groove and then enters the second groove and rotates circumferentially to a preset angle, the side edge of the first protrusion abuts against the side wall of the second groove.

[0031] In one embodiment, the lamp housing has an internal cavity, the tree-shaped decorative lamp further includes a light-emitting element disposed within the cavity, and the base has an internal power supply unit for supplying power to the light-emitting element.

[0032] In one embodiment, the mounting part is provided with an electrical contact that is electrically connected to the light-emitting element, and the mounting groove is provided with a conductive structure that is electrically connected to the power supply unit. When the mounting part is installed in the mounting groove, the electrical contact contacts the conductive structure.

[0033] In one embodiment, the lamp housing includes a housing, the mounting part is detachably connected to the lower end of the housing, the receiving cavity is located inside the housing, the mounting part is a sleeve structure and the electrical contact is disposed in the sleeve structure, the lower end of the housing is a hollow cylindrical structure, and the sleeve structure is detachably sleeved on the inner wall or outer wall of the cylindrical structure.

[0034] In one embodiment, the sleeve structure is provided with a locking block, at least a portion of which protrudes from the outer wall of the sleeve structure. The inner wall of the cylindrical structure is provided with a locking groove adapted to the locking block. The sleeve structure is sleeved onto the inner wall of the cylindrical structure and the locking block is embedded in the locking groove.

[0035] In one embodiment, the electrical contact or the conductive structure includes an elastic element, and when the mounting portion is installed in the mounting groove, the electrical contact contacts the conductive structure and the elastic element is compressed.

[0036] In one embodiment, the conductive structure includes the elastic element, which is disposed on the bottom wall of the mounting groove and electrically connected to the power supply unit.

[0037] In one embodiment, the lamp housing includes a housing, the mounting portion is disposed at the lower end of the housing, and the electrical contact is disposed in the inner cavity of the mounting portion;

[0038] The contactor includes a contact pin and an elastic element. One end of the contact pin is exposed outside the mounting portion, and the two opposite ends of the elastic element are respectively connected to the contact pin and the mounting portion.

[0039] In one embodiment, the mounting part is a sleeve structure that is detachably fitted onto the lower end of the housing.

[0040] In one embodiment, the sleeve structure includes a cylinder body and a cylinder cover, the cylinder cover being detachably connected to the cylinder body, and the cylinder cover and the cylinder body enclosing an inner cavity of the mounting portion.

[0041] In one embodiment, the mounting portion is detachably connected to the mounting groove; the inner wall of the mounting groove is formed with a fourth protrusion, and the outer wall of the mounting portion is formed with a limiting groove that matches the fourth protrusion;

[0042] The mounting portion can be inserted into the mounting groove and at least a portion of the fourth protrusion is embedded in the limiting groove.

[0043] In one embodiment, the outer wall of the mounting portion is formed with a snap-fit ​​groove, and the inner wall of the mounting groove is formed with a snap-fit ​​block that is adapted to the snap-fit ​​groove;

[0044] The mounting part can be inserted into the mounting slot and at least a portion of the snap-fit ​​block is embedded in the snap-fit ​​slot.

[0045] In one embodiment, the snap-fit ​​block includes a fixed end and a rotating end opposite to each other. The fixed end is connected to the inner wall of the mounting groove, and the base is provided with a clearance space for the rotating end to rotate. The clearance space is located on the side of the snap-fit ​​block away from the mounting groove.

[0046] During the installation of the mounting part into the mounting groove, the bottom of the mounting part presses against the rotating end, causing the rotating end to undergo elastic deformation and rotate away from the mounting part. The mounting part continues to be inserted into the mounting groove until the rotating end is aligned with the snap-fit ​​groove, and at least a portion of the rotating end is embedded in the snap-fit ​​groove.

[0047] In one embodiment, the outer wall of the mounting portion is provided with a fifth protrusion, and the inner wall of the mounting groove is formed with a guide groove adapted to the fifth protrusion, the opening of the guide groove communicating with the top surface of the base.

[0048] In one embodiment, the bottom of the mounting portion is formed with an arc surface, the tangent of the arc surface is set at an acute angle to the axis of the mounting portion, and the distance from the arc surface to the axis of the mounting portion decreases along the mounting direction of the mounting portion.

[0049] In one embodiment, the power supply unit includes a battery and a circuit board, both of which are electrically connected to the circuit board.

[0050] In one embodiment, the tree-shaped decorative light further includes a control switch electrically connected to the circuit board. The control switch is connected to the circuit containing the conductive structure and the battery to control the circuit to be turned on or off.

[0051] In one embodiment, the base includes an upper shell and a lower cover plate, the lower cover plate being detachably connected to the upper shell, the upper shell and the lower cover plate together defining a mounting cavity, and the power supply unit being located within the mounting cavity.

[0052] As can be seen from the above technical solutions, the embodiments of the present invention have at least the following advantages and positive effects:

[0053] The tree-shaped decorative lamp in this embodiment has a mounting part formed at the lower end of the lamp housing and a mounting groove formed on the top surface of the base. The mounting part is detachably installed in the mounting groove, allowing the lamp housing to be separated from the base. Furthermore, a conductive structure is provided within the mounting groove, electrically connected to a power supply unit. A contact is provided at the lower end of the lamp housing, electrically connected to a light-emitting element located inside the lamp housing. When the mounting part is installed in the mounting groove, the contact contacts the conductive structure. Thus, when the lamp housing and base are connected, electrical conduction is achieved between the light-emitting element and the power supply unit through the contact and conductive structure, allowing the power supply unit to provide power to the light-emitting element. When the lamp housing is separated from the base, the contact also separates from the conductive structure, enabling complete separation of the lamp housing and base without constraint. This improves the convenience of individual maintenance of the base. Attached Figure Description

[0054] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0055] Figure 1 is a structural schematic diagram of the tree-shaped decorative lamp provided in the first embodiment of this application;

[0056] Figure 2 is a schematic diagram of the structure of the lamp housing provided in the first embodiment of this application;

[0057] Figure 3 is an enlarged schematic diagram of part A in Figure 2;

[0058] Figure 4 is a structural schematic diagram of the base provided in the first embodiment of this application;

[0059] Figure 5 is an enlarged schematic diagram of part B in Figure 4;

[0060] Figure 6 is a schematic diagram of the internal structure of the tree-shaped decorative lamp provided in the first embodiment of this application;

[0061] Figure 7 is an exploded view of the lamp housing provided in the first embodiment of this application (simulated tree branches are omitted).

[0062] Figure 8 is a structural schematic diagram of another embodiment of the lamp housing provided in the first embodiment of this application;

[0063] Figure 9 is an enlarged schematic diagram of part E in Figure 8;

[0064] Figure 10 is a structural schematic diagram of the lamp housing shown in Figure 8 from another perspective;

[0065] Figure 11 is an enlarged schematic diagram of part F in Figure 10;

[0066] Figure 12 is a structural schematic diagram of another embodiment of the base provided in the first embodiment of this application;

[0067] Figure 13 is an enlarged schematic diagram of part G in Figure 12;

[0068] Figure 14 is a structural schematic diagram of the base shown in Figure 12 from another perspective;

[0069] Figure 15 is an enlarged schematic diagram of part H in Figure 14;

[0070] Figure 16 is a schematic diagram of the internal structure of the plug-in post provided in the first embodiment of this application;

[0071] Figure 17 is a schematic diagram of the bottom structure of the base provided in the first embodiment of this application;

[0072] Figure 18 is a schematic diagram of the overall structure of the lamp housing in the second embodiment of this application;

[0073] Figure 19 is a partial enlarged view of the mounting part in area I of the lamp housing shown in Figure 18;

[0074] Figure 20 is a schematic diagram of the overall structure of the base in the second embodiment;

[0075] Figure 21 is a partial enlarged view of the mounting groove in the base area J shown in Figure 20;

[0076] Figure 22 is a schematic diagram of the overall structure of another embodiment of the lamp housing in the second embodiment of this application;

[0077] Figure 23 is a partial enlarged view of the mounting part in area K of the lamp housing shown in Figure 22;

[0078] Figure 24 is a schematic diagram of the overall structure of the base in the embodiment shown in Figure 22;

[0079] Figure 25 is a partial enlarged view of the mounting groove in the base area L shown in Figure 24;

[0080] Figure 26 is a schematic diagram of the exploded structure of the lamp housing in the embodiment shown in Figure 18;

[0081] Figure 27 is a schematic diagram of the exploded structure of the lamp housing in the embodiment shown in Figure 22;

[0082] Figure 28 is a schematic diagram of the overall structure of the tree lamp in the third embodiment of this application;

[0083] Figure 29 is a schematic diagram of the electrical connection of the tree-shaped decorative lamp in the third embodiment of this application;

[0084] Figure 30 shows the state of the lamp housing detached from the base in the tree-shaped decorative lamp shown in Figure 29;

[0085] Figure 31 is a schematic diagram of the lamp housing in the third embodiment;

[0086] Figure 32 is an enlarged view of region M of the lamp housing shown in Figure 31;

[0087] Figure 33 is a schematic diagram of the base structure in the embodiment shown in Figure 31;

[0088] Figure 34 is an enlarged view of region N of the base shown in Figure 33;

[0089] Figure 35 is a cross-sectional view of the tree lamp in the embodiment shown in Figure 31;

[0090] Figure 36 is an enlarged view of region O in the sectional view shown in Figure 35;

[0091] Figure 37 is a structural schematic diagram of another embodiment of the lamp housing in the third embodiment of this application;

[0092] Figure 38 is an enlarged view of the lamp housing area P shown in Figure 37;

[0093] Figure 39 is a schematic diagram of the base structure in the embodiment shown in Figure 37;

[0094] Figure 40 is an enlarged view of the base area Q shown in Figure 39;

[0095] Figure 41 is a cross-sectional view of the tree lamp in the embodiment shown in Figure 37;

[0096] Figure 42 is an enlarged view of region R in the sectional view shown in Figure 41;

[0097] Figure 43 is an exploded structural diagram of yet another embodiment of the lamp housing in the third embodiment of this application;

[0098] Figure 44 is a schematic diagram of the base structure in the embodiment shown in Figure 43;

[0099] Figure 45 is an enlarged view of the base area X shown in Figure 44.

[0100] The annotations in the attached figures are explained as follows:

[0101] 10. Tree-shaped decorative lights;

[0102] 100. Lamp housing; 102. First housing; 103. Second housing; 110. Mounting part; 112. Receiving hole; 110a. Columnar structure; 110b. Sleeve structure; 1101. External thread; 1104. First flat part; 1105. Third flat part; 1106. Cylinder; 1107. Cylinder cover; 1108. Arc surface; 120. Electrical contact; 121. Contact pin; 150. Simulated tree branch; 160. Housing;

[0103] 200. Luminous body;

[0104] 300, base; 301, mounting slot; 3011, internal thread; 3014, plug post; 3015, through hole; 3016, second flat part; 3017, fourth flat part;

[0105] 310. Conductive structure; 311. First conductive sheet; 312. Second conductive sheet; 314. Cylindrical structure; 315. Conductive post; 316. Socket;

[0106] 320. Upper shell; 330. Lower cover;

[0107] 340. Limiting structure; 341. First protrusion; 342. Second protrusion; 343. Third protrusion; 344. Limiting groove; 345. Fourth protrusion; 346. Restricting groove; 347. First groove; 348. Second groove;

[0108] 400. Power supply unit; 410. Battery; 420. Circuit board;

[0109] 500. Control switch;

[0110] 600. Wire;

[0111] 700. Elastic components;

[0112] 800, Fifth protrusion; 801, Guide groove;

[0113] 900, snap-fit ​​groove; 901, snap-fit ​​block; 902, fixed end; 903, rotating end; 904, clearance space. Detailed Implementation

[0114] Typical embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various variations in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations herein are for illustrative purposes only and not intended to limit the present invention.

[0115] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0116] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "setup," and "connection" 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 mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. Example

[0117] As mentioned in the background section, the tree-shaped decorative light in the related technology includes an upper lamp housing and a lower base. An LED light is installed inside the lamp housing, and a power supply unit is installed inside the base. The LED light is electrically connected to the power supply unit via wires. This makes it difficult to completely separate the upper lamp housing and the lower base; even if the lamp housing and base are separated, they are still constrained by the wires. Therefore, it is inconvenient when the base needs to be repaired separately.

[0118] Based on this, this application provides a tree-shaped decorative light, which aims to improve the convenience of repairing the base separately.

[0119] As shown in Figures 1 to 6, the tree-shaped decorative lamp 10 in this embodiment includes a lamp housing 100, a light-emitting element 200, and a base 300. The lamp housing 100 is constructed to have a tree-like shape, and an internal cavity is provided. A mounting portion 110 is formed at the lower end of the lamp housing 100, and an electrical contact 120 is also provided at the lower end of the lamp housing 100. The light-emitting element 200 is disposed in the cavity and is electrically connected to the electrical contact 120. A power supply unit 400 is disposed inside the base 300, and a mounting groove 301 is formed on the top surface of the base 300. A conductive structure 310 is disposed in the mounting groove 301 and is electrically connected to the power supply unit 400. The mounting portion 110 is detachably mounted to the mounting groove 301. When the mounting portion 110 is mounted to the mounting groove 301, the electrical contact 120 contacts the conductive structure 310.

[0120] Specifically, the lamp housing 100 can be made of resin material, such as thermosetting resin, giving it not only good hardness but also good high-temperature resistance, preventing it from melting when heated. Multiple simulated tree branches 150 can be provided on the lamp housing 100 to make it resemble a tree in shape. Referring to Figure 7, the lamp housing 100 can include a first housing 102 and a second housing 103 connected to each other. The first housing 102 and the second housing 103 can be manufactured separately. Before connecting the first housing 102 and the second housing 103, the light-emitting element 200 can be assembled with either the first housing 102 or the second housing 103, and then the first housing 102 and the second housing 103 can be connected together by screws, glue, or other methods.

[0121] The light-emitting element 200 is an object that emits light when electricity is applied, such as an incandescent lamp or an LED lamp. The light-emitting element 200 can be electrically connected to the power contact 120 via a wire.

[0122] The conductive structure 310 is made of a conductor. For cost reasons, the conductor can be a common metal conductor, such as copper, aluminum, or nickel. The power supply unit 400 is used to provide electrical energy to the light-emitting element 200. For example, referring to Figure 6, the power supply unit 400 may include a battery 410 and a circuit board 420. Both the conductive structure 310 and the battery 410 are electrically connected to the circuit board 420. Alternatively, the power supply unit 400 may be a power board with power cords.

[0123] In this embodiment of the tree-shaped decorative lamp 10, a mounting portion 110 is formed at the lower end of the lamp housing 100, and a mounting groove 301 is formed on the top surface of the base 300. The mounting portion 110 is detachably mounted in the mounting groove 301, allowing the lamp housing 100 to be separated from the base 300. Furthermore, a conductive structure 310 is provided within the mounting groove 301, and the conductive structure 310 is electrically connected to the power supply unit 400. A contact 120 is provided at the lower end of the lamp housing 100, and the contact 120 is electrically connected to the light-emitting element 200 located inside the lamp housing 100. When the mounting portion 110 is mounted in the mounting groove 301, the contact 120 contacts the conductive structure 310. Therefore, when the lamp housing 100 is connected to the base 300, electrical conduction is achieved between the light-emitting element 200 and the power supply unit 400 through the contact 120, the conductive structure 310, etc., allowing the power supply unit 400 to provide electrical energy to the light-emitting element 200. When the lamp housing 100 is separated from the base 300, the electrical contact 120 is also separated from the conductive structure 310. This allows the lamp housing 100 and the base 300 to be completely separated without being constrained, thereby improving the convenience of repairing the base 300 separately.

[0124] In some embodiments, as shown in Figures 2, 3, 4, and 5, the mounting part 110 is a columnar structure 110a, and the mounting groove 301 is a circular groove. The mounting part 110 can be connected to the base 300 by rotating relative to the mounting groove 301. It is understood that the mounting part 110 is also disassembled from the base 300 by rotating relative to the mounting groove 301. By rotating the mounting part 110 relative to the base 300, the connection and separation between the lamp housing 100 and the base 300 can be achieved. The installation and disassembly process is easy to operate and saves time and effort.

[0125] In one embodiment, referring to Figures 3 and 5, the sidewall of the mounting portion 110 has an external thread 1101, and the inner wall of the mounting groove 301 has an internal thread 3011. The internal thread 3011 and the external thread 1101 are adapted to each other so that the mounting portion 110 can be connected to the base 300 through a threaded engagement. The connection process between the lamp housing 100 and the base 300 is as follows: the mounting portion 110 is brought into contact with the mounting groove 301, and the lamp housing 100 is rotated. The lamp housing 100 drives the mounting portion 110 to rotate, and under the action of the external thread 1101 and the internal thread 3011, the mounting portion 110 is securely connected to the mounting groove 301. When it is necessary to separate the lamp housing 100 from the base 300, simply rotate the lamp housing 100 in the opposite direction, and the mounting portion 110 will loosen relative to the mounting groove 301.

[0126] In some embodiments, referring to Figures 2, 3, 4, and 5, two electrical contacts 120 are disposed at the bottom of the mounting portion 110. The distances from the two electrical contacts 120 to the center of the columnar structure 110a are unequal. The conductive structure 310 includes a first conductive sheet 311 and a second conductive sheet 312. The first conductive sheet 311 and the second conductive sheet 312 are located on the bottom wall of the mounting groove 301. The first conductive sheet 311 and the second conductive sheet 312 are used to contact different electrical contacts 120. The first conductive sheet 311 is a circular conductive sheet, and the second conductive sheet 312 is an annular conductive sheet surrounding the first conductive sheet 311. There is a gap between the first conductive sheet 311 and the second conductive sheet 312.

[0127] In this embodiment, the electrical contact 120 is located at the bottom of the mounting portion 110, meaning that the electrical contact 120 is exposed outside the mounting portion 110. Furthermore, there are two electrical contacts 120, which are used to contact the first conductive sheet 311 and the second conductive sheet 312, respectively. This arrangement, compared to using only one electrical contact 120, helps to reduce impedance, thereby reducing the energy consumption of the tree-shaped decorative light 10.

[0128] Furthermore, the distances from the two contact points 120 to the center of the columnar structure 110a are unequal. The contact point 120 with a smaller distance from the center of the columnar structure 110a is configured to contact the first conductive sheet 311, while the contact point 120 with a larger distance from the center of the columnar structure 110a is configured to contact the second conductive sheet 312. Since the first conductive sheet 311 and the second conductive sheet 312 are circular and annular conductive sheets, respectively, the contact points 120 and their corresponding conductive sheets remain vertically aligned and do not misalign during the rotation of the mounting portion 110 relative to the mounting groove 301. This ensures that the contact relationship between the contact points 120 and their corresponding conductive sheets is not affected by the rotation angle of the mounting portion 110.

[0129] Furthermore, one of the two contact points 120 can be located at the center of the columnar structure 110a, and the other of the two contact points 120 can be offset from the center of the columnar structure 110a. Alternatively, both contact points 120 can be offset from the center of the columnar structure 110a. If one of the contact points 120 is located at the center of the columnar structure 110a, the area of ​​the first conductive sheet 311 can be set to be relatively small. If both contact points 120 are offset from the center of the columnar structure 110a, the area of ​​the first conductive sheet 311 needs to be set to be relatively large so that, in the horizontal direction, the area of ​​the first conductive sheet 311 can cover the position of one of the contact points 120.

[0130] In some embodiments, as shown in Figures 8 to 15, the mounting part 110 is a sleeve structure 110b, and a plug-in post 3014 is provided in the mounting groove 301. The sleeve structure 110b can be inserted into the mounting groove 301 and sleeved on the plug-in post 3014. In this embodiment, the mounting part 110 and the base 300 are connected by a plug-in connection. Specifically, the sleeve structure 110b can be inserted into the mounting groove 301 and sleeved on the plug-in post 3014, thus completing the connection between the mounting part 110 and the base 300. Compared with the rotational connection of the mounting part 110, the plug-in connection is simpler to operate and helps to improve the assembly or disassembly efficiency between the lamp housing 100 and the base 300.

[0131] Further, referring to Figures 9 and 13, the electrical contact 120 is disposed inside the sleeve structure 110b, the plug post 3014 is a hollow structure, the conductive structure 310 is located inside the plug post 3014, and a through hole 3015 is provided on the upper surface of the plug post 3014, allowing the electrical contact 120 to be inserted into the through hole 3015 and contact the conductive structure 310. With this arrangement, when the mounting part 110 is installed in the mounting groove 301, the electrical contact 120 can contact the conductive structure 310, thereby enabling electrical conduction between the power supply unit 400 and the light emitter 200.

[0132] Specifically, as shown in Figure 16, the conductive structure 310 can be a cylindrical structure 314, with its upper end connected to the top wall of the plug-in post 3014. The contact 120 can extend into and contact the cylindrical structure 314. The cylindrical structure 314 can be made of a conductive material (e.g., a metal). When the contact 120 is inserted into the through hole 3015, the portion of the contact 120 extending into the plug-in post 3014 enters the cylindrical structure 314 and contacts its inner wall. This contact method allows for a relatively large contact area between the contact 120 and the conductive structure 310, thus helping to ensure the stability of the electrical conductors between them.

[0133] In one embodiment, referring to Figures 9, 13, and 16, there are two electrical contacts 120, two conductive structures 310, and two through holes 3015. The two electrical contacts 120 can be inserted into their respective through holes 3015 and make contact with their respective conductive structures 310. In this embodiment, the two electrical contacts 120 are used to contact one corresponding conductive structure 310. This arrangement, compared to using only one electrical contact 120, helps to reduce impedance, thereby reducing the energy consumption of the tree-shaped decorative light 10.

[0134] In one embodiment, referring to Figures 8, 9, 12, and 13, the inner wall surface of the sleeve structure 110b includes at least one first flat portion 1104, and the outer wall surface of the insertion post 3014 includes at least one second flat portion 3016. The number of second flat portions 3016 is equal to the number of first flat portions 1104. The second flat portions 3016 are used to contact the first flat portions 1104 to restrict the rotation of the sleeve structure 110b relative to the insertion post 3014. In this embodiment, when the first flat portion 1104 and the second flat portion 3016 are in contact with each other, the two electrical contacts 120 can be aligned with the two through holes 3015, and the rotation of the sleeve structure 110b relative to the insertion post 3014 can be restricted by the abutting action of the first flat portion 1104 and the second flat portion 3016. This design serves two purposes: firstly, when fitting the sleeve structure 110b onto the plug post 3014, it facilitates quickly finding the angle that aligns the electrical contact 120 with the through hole 3015; secondly, after the sleeve structure 110b is connected to the plug post 3014, it prevents the sleeve structure 110b from rotating relative to the plug post 3014, which could damage the electrical contact 120.

[0135] In one embodiment, referring to Figures 10, 11, 14, and 15, the outer wall surface of the sleeve structure 110b includes at least one third planar portion 1105, and the inner wall surface of the mounting groove 301 includes at least one fourth planar portion 3017. The number of fourth planar portions 3017 is equal to the number of third planar portions 1105. The fourth planar portions 3017 are used to contact the third planar portions 1105 to restrict the rotation of the sleeve structure 110b relative to the mounting groove 301. In this embodiment, when the third planar portions 1105 and the fourth planar portions 3017 are in contact with each other, the two electrical contacts 120 can be aligned with the two through holes 3015, and the rotation of the sleeve structure 110b relative to the mounting groove 301 can be restricted by the abutting action of the third planar portions 1105 and the fourth planar portions 3017. This design serves two purposes: firstly, it facilitates quickly finding the angle that aligns the power contact 120 with the through hole 3015 when inserting the sleeve structure 110b into the mounting groove 301; secondly, it prevents the power contact 120 from being damaged by rotating the sleeve structure 110b relative to the mounting groove 301 after it has been inserted into the mounting groove 301.

[0136] In some embodiments, referring to FIG6, the power supply unit 400 includes a battery 410 and a circuit board 420, and both the conductive structure 310 and the battery 410 are electrically connected to the circuit board 420. The circuit board 420 is provided with a circuit, and both the battery 410 and the conductive structure 310 are connected to the circuit, so that the battery 410 can supply power to the light emitter 200.

[0137] In some embodiments, referring to Figure 4, the tree-shaped decorative light 10 also includes a control switch 500. The control switch 500 is electrically connected to the circuit board 420 and is connected to the circuit containing the conductive structure 310 and the battery 410 to control the circuit's on or off state. Thus, the light-emitting element 200 can be controlled to light up or turn off via the control switch 500.

[0138] In some embodiments, as shown in FIG17, the base 300 includes an upper shell 320 and a lower cover plate 330. The lower cover plate 330 is detachably connected to the upper shell 320. The upper shell 320 and the lower cover plate 330 together define a mounting cavity, in which the power supply unit 400 is located. Specifically, the lower cover plate 330 can be connected to the upper shell by means of screws, snap-fit ​​connections, or other methods. This configuration allows the lower cover plate 330 to be separated from the upper shell 320, facilitating the maintenance or replacement of the power supply unit 400. Example

[0139] Referring to Figures 18, 19, 20, and 21, the tree-shaped decorative light 10 of the second embodiment has a structure that is basically the same as that of the tree-shaped decorative light 10 of the first embodiment. The difference is that in the tree-shaped decorative light 10 of the second embodiment, the mounting part 110 and / or the mounting groove 301 are provided with a limiting structure 340. When the mounting part 110 is installed in the mounting groove 301, the limiting structure 340 abuts against the mounting part 110 or the mounting groove 301 to limit the rotation of the mounting part 110 relative to the mounting groove 301 in at least one direction.

[0140] Specifically, the mounting part 110 has a columnar structure, and the mounting groove 301 is a circular groove. The mounting part 110 can be connected to the base 300 by rotating relative to the mounting groove 301. It can be understood that in other embodiments, the mounting part 110 can be disposed on the base 300, and the mounting groove 301 adapted to the mounting part 110 can be disposed on the lamp housing 100, that is, the positions of the mounting part 110 and the mounting groove 301 can be interchanged.

[0141] By rotating the mounting part 110 relative to the base 300, the user can install and disassemble the lamp housing 100 and the base 300. The installation and disassembly process is easy to operate and saves time and effort. It is understood that in other embodiments, the mounting part 110 and the mounting groove 301 can also be set to other shapes. For example, the mounting part 110 can be set to a conical structure, and the mounting groove 301 can be a corresponding conical groove.

[0142] Referring again to Figures 18 to 21, in one embodiment, the limiting structure 340 includes a first protrusion 341 and a second protrusion 342. The first protrusion 341 is formed on the outer wall of the mounting portion 110 and extends circumferentially along the mounting portion 110. The second protrusion 342 is formed on the inner wall of the mounting groove 301 and extends axially along the mounting groove 301. When the mounting portion 110 is inserted into the mounting groove 301 and rotated to a preset angle, the side edge of the first protrusion 341 abuts against the side edge of the second protrusion 342. The clockwise or counterclockwise rotation of the mounting portion 110 along its circumference is restricted by the second protrusion 342 to prevent the rotation angle of the mounting portion 110 from being too large, causing the mounting portion 110 to jam in the mounting groove 301 and preventing the lamp housing 100 from being unable to be detached from the base 300. In addition, the second protrusion 342 can restrict further rotation of the first protrusion 341, which can prevent or reduce the rotation or shaking of the lamp housing 100 relative to the base 300.

[0143] It should be noted that the “preset angle” in the entire application is not limited to a specific value. The “preset angle” depends on the position of the limiting structure 340 in the tree-shaped decorative light 10. The manufacturer can freely set the position of the limiting structure 340 as needed.

[0144] Specifically, Figure 21 illustrates that the mounting groove 301 is also provided with a third protrusion 343, which extends circumferentially along the mounting groove 301 and is higher than the second protrusion 342. That is, in the height direction of the mounting groove 301, the third protrusion 343 and the second protrusion 342 are staggered, and the distance from the third protrusion 343 to the bottom of the groove is greater than the distance from the second protrusion 342 to the bottom of the groove. When the mounting part 110 is inserted into the mounting groove 301 and rotated to a preset angle, the upper edge of the first protrusion 341 abuts against the lower edge of the third protrusion 343, the movement of the mounting part 110 along the axial direction is restricted, and the lamp housing 100 will not detach from the base 300.

[0145] In this embodiment, the process of installing and removing the lamp housing 100 from the base 300 is as follows:

[0146] Insert the mounting part 110 into the mounting slot 301, and then rotate the lamp housing 100. When the lamp housing 100 drives the mounting part 110 to rotate until the upper edge of the first protrusion 341 contacts the lower edge of the third protrusion 343, the movement of the mounting part 110 along the axial direction is restricted. Continue to rotate the lamp housing 100, and the lamp housing 100 drives the mounting part 110 to rotate until the side edge of the first protrusion 341 abuts against the side edge of the second protrusion 342. The second protrusion 342 restricts the further rotation of the mounting part 110 in the circumferential direction. At this time, the lamp housing 100 rotates to the maximum angle, and the lamp housing 100 and the base 300 remain in a relatively fixed state. When it is necessary to remove the lamp housing 100 from the base 300, rotate the lamp housing 100 in the opposite direction. The side edge of the first protrusion 341 separates from the side edge of the second protrusion 342. Continue to rotate the lamp housing 100 until the upper edge of the first protrusion 341 is completely separated from the lower edge of the third protrusion 343. At this time, the movement of the mounting part 110 along the axial direction is no longer restricted, and the lamp housing 100 can be removed from the base 300.

[0147] It is understandable that during the rotation of the mounting part 110 in a certain direction, when the upper edge of the first protrusion 341 contacts the lower edge of the second protrusion 342, the lamp housing 100 and the base 300 will be connected together. If the mounting part 110 continues to rotate, when the upper edge of the first protrusion 341 separates from the lower edge of the third protrusion 343, the axial limit of the mounting part 110 is canceled, and the lamp housing 100 can be detached from the base 300. This may cause errors during the assembly of the lamp housing 100 and the base 300. For example, if the angle of rotation of the mounting part 110 is too large, the upper edge of the first protrusion 341 will contact the lower edge of the second protrusion 342 and then separate, resulting in the lamp housing 100 and the base 300 failing to connect successfully. Or, if the angle of rotation of the mounting part 110 is too large, the contact area between the upper edge of the first protrusion 341 and the lower edge of the second protrusion 342 will be small, resulting in the lamp housing 100 and the base 300 not being firmly connected.

[0148] In this embodiment, since the second protrusion 342 restricts the maximum rotation angle of the mounting part 110, when the lamp housing 100 is rotated until the side edge of the first protrusion 341 abuts against the side edge of the second protrusion 342, and at the same time the upper edge of the first protrusion 341 abuts against the lower edge of the third protrusion 343, the rotation angle of the mounting part 110 is avoided to be too large during the assembly of the lamp housing 100 and the base 300, thereby preventing the lamp housing 100 and the base 300 from being unsuccessfully connected or not connected firmly.

[0149] Specifically, in one embodiment, the second protrusion 342 and the third protrusion 343 are integrally formed continuous structures, generally L-shaped. When the side edge of the first protrusion 341 abuts against the side edge of the second protrusion 342, the contact area between the upper edge of the first protrusion 341 and the lower edge of the third protrusion 343 is the largest, resulting in the strongest connection. Alternatively, the second protrusion 342 and the third protrusion 343 can also be separate structures arranged at intervals.

[0150] Furthermore, there are multiple third protrusions 343, which are spaced apart circumferentially along the mounting groove 301. The number of first protrusions 341 is equal to the number of third protrusions 343, and their positions correspond one-to-one. When the lamp housing 100 is mounted on the base 300, the upper edge of each first protrusion 341 contacts the lower edge of a corresponding third protrusion 343. This helps to improve the uniformity of force distribution on the mounting part 110 and makes the connection between the mounting part 110 and the base 300 more secure.

[0151] In this embodiment, there is only one second protrusion 342. That is, one second protrusion 342 is sufficient to restrict the first protrusion 341 from continuing to rotate, eliminating the need for additional second protrusions 342. Of course, in other embodiments, the manufacturer may provide multiple second protrusions 342 as needed, and this application does not limit this.

[0152] Furthermore, the number of third protrusions 343 can be three or four, and the multiple third protrusions 343 are evenly distributed along the circumference of the mounting groove 301. It is understood that the more third protrusions 343 there are, the better the uniformity of force distribution on the mounting portion 110. However, if the number of third protrusions 343 is too large, the gap between two adjacent third protrusions 343 will be smaller, making it more difficult for the mounting portion 110 to be inserted into the mounting groove 301. Therefore, this application sets the number of third protrusions 343 to three or four, which not only ensures better uniformity of force distribution on the mounting portion 110 but also makes it easier for the mounting portion 110 to be inserted into the mounting groove 301.

[0153] In another embodiment, referring to Figures 22, 23, 24, and 25, the limiting structure 340 includes a first protrusion 341 and a limiting groove 344. The first protrusion 341 is formed on the side wall of the mounting portion 110 and extends axially along the mounting portion 110. The limiting groove 344 is an L-shaped groove formed on the inner wall of the mounting groove 301. The limiting groove 344 includes a first groove 347 extending axially along the mounting groove 301 and a second groove 348 extending circumferentially along the mounting groove 301. During the process of mounting the lamp housing 100 to the base 300, the first protrusion 341 enters the first groove 347 through the opening of the first groove 347 and then enters the second groove 348, rotating circumferentially to a preset angle. The side edge of the first protrusion 341 abuts against the side wall of the second groove 348 to limit further rotation of the mounting portion 110. At the same time, the upper edge of the first protrusion 341 abuts against the upper edge of the second groove 348 to limit the axial movement of the mounting portion 110.

[0154] Specifically, there are two first protrusions 341 and two limiting grooves 344. The two limiting grooves 344 are evenly distributed along the circumference of the mounting groove 301, and the two first protrusions 341 are evenly distributed along the circumference of the mounting part 110, with each of the two first protrusions 341 corresponding to one of the two limiting grooves 344. This helps to improve the uniformity of force distribution on the mounting part 110 and also makes the connection between the mounting part 110 and the base 300 more secure.

[0155] In this embodiment, the process of installing and removing the lamp housing 100 from the base 300 is as follows:

[0156] The first protrusion 341 of the mounting part 110 is aligned and inserted into the first groove 347 of the limiting groove 344. Then, the lamp housing 100 is rotated. When the lamp housing 100 rotates to the point where the upper edge of the first protrusion 341 contacts the upper groove wall of the second groove 348, the movement of the mounting part 110 along the axial direction is restricted. The lamp housing 100 continues to rotate, and the lamp housing 100 drives the mounting part 110 to rotate until the side edge of the first protrusion 341 abuts against the side wall of the second groove 348. The side wall of the second groove 348 restricts the further rotation of the mounting part 110 in the circumferential direction. At this time, the lamp housing 100 rotates to the maximum angle, and the lamp housing 100 and the base 300 maintain a relatively fixed connection state. When it is necessary to remove the lamp housing 100 from the base 300, rotate the lamp housing 100 in the opposite direction. The side edge of the first protrusion 341 separates from the side wall of the second groove 348. Continue to rotate the lamp housing 100 until the upper edge of the first protrusion 341 is completely separated from the upper edge of the second groove 348. At this time, the movement of the mounting part 110 along the axial direction is no longer restricted, and the lamp housing 100 can be removed from the base 300.

[0157] In summary, the tree-shaped decorative lamp 10 in this embodiment forms a first protrusion 341 on the outer wall of the mounting part 110 and a second protrusion 342 or a limiting groove 344 on the inner wall of the mounting groove 301. When the mounting part 110 is inserted into the mounting groove 301 and rotated to a preset angle, the side edge of the first protrusion 341 abuts against the side edge of the second protrusion 342 or the side wall of the limiting groove 344 to restrict the continued rotation of the first protrusion 341, thereby restricting the continued rotation of the mounting part 110 relative to the base 300 in a certain direction, and thus restricting the rotation or shaking of the lamp housing 100 relative to the base 300.

[0158] It is understood that the above embodiments are merely exemplary descriptions of the limiting structure 340 and are not intended to limit the limiting structure 340. The tree-shaped decorative light 10 may also be provided with other forms of limiting structure 340 to restrict the rotation or shaking of the lamp housing 100 relative to the base 300.

[0159] For example, a first magnetic element is provided in the mounting part 110, and a second magnetic element is provided at the corresponding position in the mounting groove 301. When the mounting part 110 rotates to a preset angle within the mounting groove 301, the first magnetic element and the second magnetic element are magnetically connected to each other, thereby limiting further rotation of the mounting part 110. At this time, the magnetic connection also limits the reverse rotation of the mounting part 110. Alternatively, both the first protrusion 341 and the second protrusion 342 are composed of magnetic elements. When the first protrusion 341 abuts against the second protrusion 342, the second protrusion 342 limits the continued rotation of the mounting part 110. At the same time, the magnetic connection between the first protrusion 341 and the second protrusion 342 limits the reverse rotation of the mounting part 110, requiring the user to apply greater force to rotate the mounting part 110 in the reverse direction. In other words, in some possible embodiments, the limiting structure 340 can simultaneously limit the forward and reverse rotation of the mounting part 110. In one embodiment, referring to Figures 18 to 21, the electrical contact 120 is disposed inside the mounting portion 110. A receiving hole 112 is provided at the bottom of the mounting portion 110 to expose the electrical contact 120. There is one electrical contact 120 located at the center of the mounting portion 110. The conductive structure 310 is a conductive post 315 disposed at the center of the mounting groove 210. One end of the conductive post 315 near the contact of the electrical contact 120 has an insertion hole 316 for the electrical contact 120 to be inserted.

[0160] Referring to Figures 26 and 27, the lamp housing 100 includes a housing 160, a mounting part 110 is detachably connected to the lower end of the housing 160, a receiving cavity 120 is located inside the housing 160, the mounting part 110 is a sleeve structure 110b and the electrical contact 120 is disposed on the sleeve structure 110b, the lower end of the housing 160 is a hollow cylindrical structure 314, the inner cavity of the cylindrical structure 314 is connected to the receiving cavity 120 inside the housing 160 or is regarded as part of the receiving cavity 120, and the sleeve structure 110b is detachably sleeved on the inner wall or outer wall of the cylindrical structure 314.

[0161] Since the light-emitting element 200 and the electrical contact 120 need to be electrically connected via a wire 600 or other conductive means, the electrical contact 120 needs to be connected to the wire 600 during the assembly of the lamp housing 100. By making the mounting part 110 detachably connected to the housing 160, the wire 600 can be easily connected, facilitating assembly. Furthermore, this design facilitates repair or replacement should the electrical contact 120 or the light-emitting element 200 be damaged.

[0162] Referring to Figure 26, in this embodiment, the sleeve structure 110b is threadedly connected to the cylindrical structure 314. The sleeve structure 110b can be connected to or detached from the cylindrical structure 314 at the lower end of the housing 160 by rotation. The inner wall of the sleeve structure 110b has an internal thread, and the outer wall of the cylindrical structure 314 has an external thread that matches the internal thread. The first protrusion 341 is located on the outer wall of the sleeve structure 110b, and the sleeve structure 110b is fitted onto the outer wall of the cylindrical structure 314. It can be understood that in other embodiments, an external thread can be provided on the outer wall of the sleeve, and an internal thread can be provided on the inner wall of the cylindrical structure 314. The sleeve structure 110b is fitted onto the inner wall of the cylindrical structure 314, in which case the first protrusion 341 is located on the outer wall of the cylindrical structure 314, and the cylindrical structure 314 and the sleeve structure 110b constitute the mounting portion 110.

[0163] In another embodiment, referring to FIG27, the sleeve structure 110b is provided with a locking block (not shown in the figure), at least a portion of which protrudes from the outer wall of the sleeve structure 110b. The inner wall of the cylindrical structure 314 is provided with a locking groove (not shown in the figure) adapted to the locking block. The sleeve structure 110b is sleeved on the inner wall of the cylindrical structure 314, and at least a portion of the locking block is embedded in the locking groove to restrict relative rotation between the sleeve structure 110b and the cylindrical structure 314. It can be understood that in other embodiments, the locking block may be provided in the cylindrical structure 314, the locking groove may be provided in the sleeve structure 110b, and the position of the first protrusion 341 may be adjusted accordingly.

[0164] It should be noted that in other embodiments, the sleeve structure 110b can also be detachably connected to the cylindrical structure 314 in other ways, including but not limited to interference fit and magnetic connection. Example

[0165] Referring to Figures 28, 29 and 30, the tree-shaped decorative lamp 10 of the third embodiment and the tree-shaped decorative lamp 10 of the first embodiment have basically the same structure. The difference is that the electrical contact 120 or the conductive structure 310 in the tree-shaped decorative lamp 10 of the third embodiment includes an elastic member 700. When the mounting part 110 is installed in the mounting groove 301, the electrical contact 120 contacts the conductive structure 310 and the elastic member 700 is compressed.

[0166] It is understood that in the tree-shaped decorative lamp 10 of this application embodiment, the electrical contact 120 or the conductive structure 310 is provided with an elastic element 700. When the lamp housing 100 is installed on the base 300, the electrical contact 120 and the conductive structure 310 are in contact to realize the electrical connection between the power supply unit 400 and the light-emitting body 200. At this time, the elastic element 700 is in a compressed state. When the connection between the lamp housing 100 and the base 300 is slightly loose, that is, when a gap appears between the electrical contact 120 and the conductive structure 310 or there is a tendency for a gap to appear, the elastic element 700 releases the elastic force to keep the electrical contact 120 and the conductive structure 310 in a state of mutual contact, and the electrical connection between the power supply unit 400 and the light-emitting body 200 is more stable.

[0167] Referring to Figures 31 to 36, in one embodiment, the conductive structure 310 includes an elastic element 700, which is disposed on the bottom wall of the mounting groove 301 and electrically connected to the power supply unit 400. Figure 34 illustrates the elastic element 700 as part of the conductive structure 310. It can be understood that in other embodiments, the elastic element 700 can be used as part of the conductive structure 310, and the manufacturer can freely configure it as needed.

[0168] There are two elastic elements 700, which are arranged at intervals and are equidistant from the center of the mounting groove 301. There are two electrical contacts 120, and each electrical contact 120 corresponds to one of the elastic elements 700.

[0169] It is understandable that since the elastic element 700 accumulates elastic force when compressed, it will generate a resisting force on the mounting part 110. Setting two elastic elements 700 can improve the uniformity of force on the mounting part 110 and make the connection between the mounting part 110 and the base 300 more stable. In addition, compared with setting only one elastic element 700 electrically connected to the electrical contact 120, setting two elastic elements 700 connected to two electrical contacts 120 one by one is beneficial to reduce impedance, thereby reducing the energy consumption of the tree-shaped decorative light 10.

[0170] Specifically, the detachable connection between the mounting part 110 and the mounting groove 301 can be a threaded connection, a magnetic connection, an interference fit, a snap-fit ​​connection, etc. Of course, in some other embodiments, the connection between the lamp housing 100 and the base 300 can be set to be non-detachable, such as glue bonding or welding.

[0171] In one embodiment, referring to Figures 31 to 36, a fourth protrusion 345 is formed on the inner wall of the mounting groove 301, and a limiting groove 346 adapted to the fourth protrusion 345 is formed on the outer wall of the mounting portion 110. Figures 35 and 36 illustrate that the mounting portion 110 can be inserted into the mounting groove 301 and at least a portion of the fourth protrusion 345 is embedded in the limiting groove 346 to prevent the housing from detaching from the base 300. When it is necessary to remove the lamp housing 100 from the base 300, the user can hold the lamp housing 100 and use greater force to pull the mounting portion 110 out of the mounting groove 301 to separate the lamp housing 100 from the base 300. It is understood that in other embodiments, the fourth protrusion 345 and the limiting groove 346 can be interchanged, that is, the fourth protrusion 345 is provided on the outer wall of the mounting portion 110, and the corresponding limiting groove 346 is provided on the inner wall of the mounting groove 301.

[0172] Specifically, there are two fourth protrusions 345, located on opposite sides of the mounting portion 110. There are also two limiting grooves 346, each corresponding to one of the four fourth protrusions 345. Protrusions on opposite sides of the mounting portion 110 improve its stress stability and make the connection between the mounting portion 110 and the mounting groove 301 more secure, preventing loosening caused by one side of the mounting portion 110 tilting upwards.

[0173] Referring to Figures 37 to 42, in another embodiment, the outer wall of the mounting portion 110 has a snap-fit ​​groove 900, and the inner wall of the mounting groove 301 has a snap-fit ​​block 901 adapted to the snap-fit ​​groove 900. Figures 14 and 15 illustrate that the mounting portion 110 can be inserted into the mounting groove 301 and at least a portion of the snap-fit ​​block 901 is embedded in the snap-fit ​​groove 900. It can be understood that in other embodiments, the snap-fit ​​block 901 and the snap-fit ​​groove 900 can be interchanged, that is, the snap-fit ​​groove 900 is disposed on the inner wall of the mounting groove 301, and the corresponding snap-fit ​​block 901 is disposed on the outer wall of the mounting portion 110.

[0174] Specifically, there are two snap-fit ​​blocks 901, located on opposite sides of the mounting groove 301. There are also two snap-fit ​​grooves 900, with each snap-fit ​​block 901 corresponding to one of the snap-fit ​​grooves 900. Simultaneously providing snap-fit ​​blocks 901 on the inner walls of opposite sides of the mounting groove 301 improves the stress stability of the mounting part 110 and makes the connection between the mounting part 110 and the mounting groove 301 more secure, preventing loosening caused by one side of the mounting part 110 tilting up.

[0175] Further, Figure 42 illustrates that the snap-fit ​​block 901 includes a fixed end 902 and a rotating end 903. The fixed end 902 is connected to the inner wall of the mounting groove 301. The base 300 is provided with a clearance space 904 for the snap-fit ​​block 901 to rotate. The clearance space 904 is located on the side of the snap-fit ​​block 901 away from the mounting groove 301. During the installation of the mounting part 110 into the mounting groove 301, the bottom of the mounting part 110 presses against the rotating end 903, causing the rotating end 903 to undergo elastic deformation and rotate in a direction away from the mounting part 110. The mounting part 110 continues to be inserted into the mounting groove 301 until the rotating end 903 is aligned with the snap-fit ​​groove 900, and at least a portion of the rotating end 903 is embedded in the snap-fit ​​groove 900.

[0176] Referring to Figures 43 to 45, in one embodiment, the contact 120 includes a pin 121 and an elastic element 700. One end of the pin 121 is exposed in the mounting portion 110, and the opposite ends of the elastic element 700 are connected to the pin 121 and the mounting portion 110, respectively. During the process of mounting the mounting portion 110 into the mounting groove 301, the pin 121 contacts the conductive structure 310. Then, as the mounting portion 110 is further inserted into the mounting groove 301, the elastic element 700 inside the contact 120 is compressed and accumulates elastic force. Finally, the mounting portion 110 is fixed in the mounting groove 301.

[0177] Specifically, there are two contact pins 121. One of the two contact pins 121 is located at the center of the mounting part 110, and the other is offset from the center of the mounting part 110. The conductive structure 310 has a first conductive sheet 311 and a second conductive sheet 312 for contacting different contact pins 121. The first conductive sheet 311 is a circular conductive sheet, and the second conductive sheet 312 is an annular conductive sheet and is arranged around the first conductive sheet 311. There is a gap between the first conductive sheet 311 and the second conductive sheet 312.

[0178] It is understandable that setting two contact pins 121 to contact two conductive sheets in a one-to-one correspondence is beneficial to reducing impedance, compared to setting only one contact pin 121 to contact one conductive sheet, thereby reducing the energy consumption of the tree-shaped decorative light 10.

[0179] Furthermore, the sleeve structure 110b includes a cylinder body 1106 and a cylinder cover 1107. The cylinder cover 1107 is detachably connected to the cylinder body 1106. The cylinder cover 1107 and the cylinder body 1106 together form the inner cavity of the mounting portion 110, and the contact pin 121 and the elastic element 700 are disposed in the inner cavity of the mounting portion 110. The detachability of the cylinder cover 1107 and the cylinder body 1106 makes it more convenient to assemble and maintain the electrical contact 120. The detachable connection between the cylinder body 1106 and the cylinder cover 1107 can be a snap-fit ​​connection, a threaded connection, or the like.

[0180] In one embodiment, referring to Figures 38 and 40, the outer wall of the mounting portion 110 is provided with a fifth protrusion 800, and the inner wall of the mounting groove 301 is formed with a guide groove 801 adapted to the fifth protrusion 800. The opening of the guide groove 801 communicates with the top surface of the base 300. During the process of installing the mounting portion 110 into the mounting groove 301, the fifth protrusion 800 is first aligned with the guide groove 801, and then the fifth protrusion 800 is inserted into the guide groove 801 along the opening of the guide groove 801, thereby driving the mounting portion 110 into the mounting groove 301.

[0181] Specifically, there is only one fifth protrusion 800 and one guide groove 801. That is, the mounting part 110 can only be inserted into the mounting groove 301 when the fifth protrusion 800 and the guide groove 801 are aligned. When the mounting part 110 is installed backwards, the fifth protrusion 800 and the guide groove 801 are on opposite sides of the mounting part 110, and the fifth protrusion 800 cannot be aligned with the guide groove 801. In this case, the mounting part 110 cannot be inserted into the mounting groove 301. Therefore, the mounting part 110 can only be installed in the mounting groove 301 in a specific direction (i.e., the extension direction of the guide groove 801), preventing the lamp housing 100 from being installed in the wrong direction on the base 300.

[0182] In one embodiment, referring to Figures 32 and 36, the bottom of the mounting portion 110 has an arcuate surface 1108. The tangent of the arcuate surface 1108 forms an acute angle with the axis of the mounting portion 110, and the distance from the arcuate surface 1108 to the axis of the mounting portion 110 decreases along the mounting direction of the mounting portion 110. During the installation of the mounting portion 110 into the mounting groove 301, the arcuate surface 1108 guides the bottom of the mounting portion 110 into the mounting groove 301. It can be understood that the mounting direction of the mounting portion 110 refers to the direction in which the mounting portion 110 enters the mounting groove 301 from the opening of the mounting groove 301.

[0183] Specifically, there are two curved surfaces 1108, located on opposite sides of the mounting portion 110. Having curved surfaces 1108 on both sides facilitates the installation of the mounting portion 110. It is understood that in other embodiments, the manufacturer may provide other numbers of curved surfaces 1108 or omit them as needed.

[0184] Although the invention has been described with reference to several typical embodiments, it should be understood that the terminology used is descriptive and exemplary, and not restrictive. Since the invention can be embodied in many forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A tree-shaped decorative lamp, characterized in that, include: The lamp housing is constructed in the shape of a tree, the interior of the lamp housing is provided with a receiving cavity, the lower end of the lamp housing is formed with a mounting part, and the lower end of the lamp housing is also provided with an electrical contact. A light-emitting element is disposed in the receiving cavity and is electrically connected to the electrical contact. A base, wherein a power supply unit is provided inside the base, and a mounting groove is formed on the top surface of the base. A conductive structure is provided in the mounting groove, and the conductive structure is electrically connected to the power supply unit. The mounting part is detachably mounted in the mounting groove, and when the mounting part is mounted in the mounting groove, the electrical contact is in contact with the conductive structure.

2. The tree-shaped decorative lamp according to claim 1, characterized in that, The mounting part is a columnar structure, and the mounting groove is a circular groove. The mounting part can be connected to the base by rotating relative to the mounting groove. The side wall of the mounting part has an external thread, and the inner wall of the mounting groove has an internal thread. The internal thread is adapted to the external thread so that the mounting part can be connected to the base by thread engagement.

3. The tree-shaped decorative lamp according to claim 2, characterized in that, The electrical contact is disposed at the bottom of the mounting part, and there are two electrical contacts. The distances of the two electrical contacts from the center of the columnar structure are not equal. The conductive structure includes a first conductive sheet and a second conductive sheet, which are located on the bottom wall of the mounting groove. The first conductive sheet and the second conductive sheet are used to contact different electrical contacts. The first conductive sheet is a circular conductive sheet, and the second conductive sheet is an annular conductive sheet that surrounds the first conductive sheet, with a gap between the first conductive sheet and the second conductive sheet.

4. The tree-shaped decorative lamp according to claim 1, characterized in that, The mounting part is a sleeve structure; The mounting slot is provided with a plug-in post, and the sleeve structure can be inserted into the mounting slot and sleeved on the plug-in post; The electrical contact is disposed inside the sleeve structure; The plug is a hollow structure, and the conductive structure is located inside the plug. The upper surface of the plug has a through hole, and the contact can be inserted into the through hole and make contact with the conductive structure.

5. The tree-shaped decorative lamp according to claim 4, characterized in that, The conductive structure is a cylindrical structure, the upper end of which is connected to the top wall of the plug-in post, and the contact can extend into the cylindrical structure and contact the cylindrical structure.

6. The tree-shaped decorative lamp according to claim 4, characterized in that, The inner wall surface of the sleeve structure includes at least one first planar portion, and the outer wall surface of the plug post includes at least one second planar portion. The number of second planar portions is equal to the number of first planar portions. The second planar portions are used to contact the first planar portions to restrict the rotation of the sleeve structure relative to the plug post. And / or, the outer wall surface of the sleeve structure includes at least one third planar portion, and the inner wall surface of the mounting groove includes at least one fourth planar portion, the number of the fourth planar portions being equal to the number of the third planar portions, the fourth planar portions being used to contact the third planar portions to restrict the rotation of the sleeve structure relative to the mounting groove.

7. The tree-shaped decorative lamp according to claim 1, characterized in that, The mounting part and / or the mounting groove are provided with a limiting structure. When the mounting part is installed in the mounting groove, the limiting structure abuts against the mounting part or the mounting groove to restrict the rotation of the mounting part relative to the mounting groove in at least one direction.

8. The tree-shaped decorative lamp according to claim 7, characterized in that, The mounting part is a columnar structure, the mounting groove is a circular groove, and the mounting part can be connected to the base by rotating relative to the mounting groove.

9. The tree-shaped decorative lamp according to claim 8, characterized in that, The limiting structure includes a first protrusion and a second protrusion. The first protrusion is formed on the outer wall of the mounting portion and extends circumferentially along the mounting portion. The second protrusion is formed on the inner wall of the mounting groove and extends axially along the mounting groove. When the mounting part is inserted into the mounting groove and rotated to a preset angle, the side edge of the first protrusion abuts against the side edge of the second protrusion.

10. The tree-shaped decorative lamp according to claim 9, characterized in that, The mounting groove is further provided with a third protrusion, which extends circumferentially along the mounting groove and is higher than the second protrusion; When the mounting part is inserted into the mounting slot and rotated to a preset angle, the upper edge of the first protrusion abuts against the lower edge of the third protrusion.

11. The tree-shaped decorative lamp according to claim 8, characterized in that, The limiting structure includes a first protrusion and a limiting groove. The first protrusion is formed on the side wall of the mounting portion and extends along the axial direction of the mounting portion. The limiting groove is an L-shaped groove and is formed on the inner wall of the mounting groove. The limiting groove includes a first groove extending along the axial direction of the mounting groove and a second groove extending circumferentially along the mounting groove. During the process of installing the lamp housing onto the base, when the first protrusion is inserted into the first groove through the opening of the first groove and then enters the second groove and rotates circumferentially to a preset angle, the side edge of the first protrusion abuts against the side wall of the second groove.

12. The tree-shaped decorative lamp according to claim 7, characterized in that, The lamp housing has an internal cavity, and the tree-shaped decorative lamp also includes a light-emitting element disposed within the cavity. The base has an internal power supply unit for supplying power to the light-emitting element.

13. The tree-shaped decorative lamp according to claim 12, characterized in that, The mounting part is provided with an electrical contact that is electrically connected to the light-emitting body, and the mounting groove is provided with a conductive structure that is electrically connected to the power supply unit. When the mounting part is installed in the mounting groove, the electrical contact comes into contact with the conductive structure.

14. The tree-shaped decorative lamp according to claim 13, characterized in that, The lamp housing includes a housing, the mounting part is detachably connected to the lower end of the housing, the receiving cavity is located inside the housing, the mounting part is a sleeve structure and the electrical contact is disposed in the sleeve structure, the lower end of the housing is a hollow cylindrical structure, and the sleeve structure is detachably sleeved on the inner wall or outer wall of the cylindrical structure.

15. The tree-shaped decorative lamp according to claim 14, characterized in that, The sleeve structure is provided with a locking block, at least a portion of which protrudes from the outer wall of the sleeve structure. The inner wall of the cylindrical structure is provided with a locking groove that matches the locking block. The sleeve structure is sleeved on the inner wall of the cylindrical structure and the locking block is embedded in the locking groove.

16. The tree-shaped decorative lamp according to claim 1, characterized in that, The electrical contact or the conductive structure includes an elastic element. When the mounting part is installed in the mounting groove, the electrical contact contacts the conductive structure and the elastic element is compressed.

17. The tree-shaped decorative lamp according to claim 16, characterized in that, The conductive structure includes the elastic element, which is disposed on the bottom wall of the mounting groove and electrically connected to the power supply unit.

18. The tree-shaped decorative lamp according to claim 17, characterized in that, The lamp housing includes a housing, the mounting part is disposed at the lower end of the housing, and the electrical contact is disposed in the inner cavity of the mounting part; The contactor includes a contact pin and an elastic element. One end of the contact pin is exposed outside the mounting portion, and the two opposite ends of the elastic element are respectively connected to the contact pin and the mounting portion.

19. The tree-shaped decorative lamp according to claim 18, characterized in that, The mounting part is a sleeve structure, which is detachably fitted onto the lower end of the housing.

20. The tree-shaped decorative lamp according to claim 19, characterized in that, The sleeve structure includes a cylinder body and a cylinder cover, the cylinder cover being detachably connected to the cylinder body, and the cylinder cover and the cylinder body enclosing each other to form the inner cavity of the mounting portion.

21. The tree-shaped decorative lamp according to claim 16, characterized in that, The mounting part is detachably connected to the mounting groove; the inner wall of the mounting groove is formed with a fourth protrusion, and the outer wall of the mounting part is formed with a limiting groove that matches the fourth protrusion; The mounting portion can be inserted into the mounting groove and at least a portion of the fourth protrusion is embedded in the limiting groove.

22. The tree-shaped decorative lamp according to claim 21, characterized in that, The outer wall of the mounting part is formed with a snap-fit ​​groove, and the inner wall of the mounting groove is formed with a snap-fit ​​block that is adapted to the snap-fit ​​groove; The mounting part can be inserted into the mounting slot and at least a portion of the snap-fit ​​block is embedded in the snap-fit ​​slot.

23. The tree-shaped decorative lamp according to claim 22, characterized in that, The snap-fit ​​block includes a fixed end and a rotating end, the fixed end is connected to the inner wall of the mounting groove, and the base is provided with a clearance space for the rotating end to rotate. The clearance space is located on the side of the snap-fit ​​block away from the mounting groove. During the installation of the mounting part into the mounting groove, the bottom of the mounting part presses against the rotating end, causing the rotating end to undergo elastic deformation and rotate away from the mounting part. The mounting part continues to be inserted into the mounting groove until the rotating end is aligned with the snap-fit ​​groove, and at least a portion of the rotating end is embedded in the snap-fit ​​groove.

24. The tree-shaped decorative lamp according to claim 16, characterized in that, The outer wall of the mounting part is provided with a fifth protrusion, and the inner wall of the mounting groove is formed with a guide groove that matches the fifth protrusion. The opening of the guide groove communicates with the top surface of the base.

25. The tree-shaped decorative lamp according to claim 16, characterized in that, The bottom of the mounting part has an arc surface, the tangent of the arc surface is set at an acute angle to the axis of the mounting part, and the distance from the arc surface to the axis of the mounting part decreases along the mounting direction of the mounting part.

26. The tree-shaped decorative lamp according to any one of claims 1-25, characterized in that, The power supply unit includes a battery and a circuit board, and both the conductive structure and the battery are electrically connected to the circuit board.

27. The tree-shaped decorative lamp according to claim 26, characterized in that, The tree-shaped decorative light also includes a control switch, which is electrically connected to the circuit board and connected to the circuit containing the conductive structure and the battery, to control the circuit to be turned on or off.

28. The tree-shaped decorative light according to any one of claims 1-25, characterized in that, The base includes an upper shell and a lower cover plate. The lower cover plate is detachably connected to the upper shell. The upper shell and the lower cover plate together define a mounting cavity, and the power supply unit is located inside the mounting cavity.

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