Christmas tree decorative lamp and connecting method

Abstract

The invention discloses a Christmas tree decorative lamp and a connecting method, and belongs to the technical field of intelligent Christmas trees. A Christmas tree decorative lamp comprises a main rod, a first threaded hole is formed in the outer circle face of the main rod, and a controller is arranged on the inner side of the main rod; the splitter is provided with a second threaded hole corresponding to the first threaded hole, and accommodating clamping grooves are formed in the splitter in a surrounding manner at intervals; the branch rods are rotationally installed in the containing clamping grooves, and lamp strings electrically connected with the controller are arranged in the branch rods; the adjusting sleeve is installed on the main rod in a sliding mode, tooth grooves are formed in the outer circle face of the adjusting sleeve at intervals in a surrounding mode, and the tooth grooves are connected with the branch rods in an engaged mode; wherein an included angle a is formed between the branch rod and the main rod, when the controller determines that the included angle a is within a preset range, the lamp string is controlled to emit light, at the moment, the branch rod of the Christmas tree is in an unfolded state, the overall shape is fuller and more stereoscopic, the lamp string is lightened in the state, and the lamplight decoration effect can be shown to the maximum extent; and the Christmas tree looks more vivid and more attractive.

Description

Technical Field

[0001] The present invention relates to the technical field of smart Christmas trees, and in particular to a Christmas tree decorative light and a connection method thereof. Background Art

[0002] A Christmas tree is an evergreen tree made of fir or pine decorated with lights. It is one of the important elements of Christmas. Usually before Christmas, an evergreen plant is brought into the house or outdoors and decorated with colored lights or colored ribbons hung on the branches.

[0003] Generally, a Christmas tree is hung with light strings that can be controlled to light up to further decorate the tree. In the traditional way, the trunk and branch poles of the Christmas tree are fixed, and the light strings hung on the branch poles are all manually controlled to light up and down, with a low level of intelligence. With the development of lighting technology and intelligent control technology, the traditional Christmas trees currently on the market cannot meet the high-quality requirements of users. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem in the prior art that the trunk and branch poles of the Christmas tree are fixed, and the light strings hung on the branch poles rely on manual control of the light strings, which has a low level of intelligence, and to propose a Christmas tree decorative light and a connection method.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A Christmas tree decorative light comprises: a main pole with a hollow structure inside and a first threaded hole formed on the outer circumferential surface, a controller for electrically connecting to a voltage source being provided on the inner side of the main pole; a brancher having a second threaded hole corresponding to the first threaded hole, and receiving slots being provided on the brancher at intervals; a branch pole rotatably mounted in the receiving slot, a light string electrically connected to the controller being provided in the branch pole; an adjustment sleeve slidably mounted on the main pole, tooth grooves being provided on the outer circumferential surface of the adjustment sleeve at intervals, the tooth grooves being meshed with the branch pole; an angle a is formed between the branch pole and the main pole, and the preset range of the angle a is 60°<a<90°, and when the controller determines that the angle a is within the preset range, it controls the light string to light up.

[0007] In order to keep the branch rod in its original state after installation, preferably, a positioning piece is installed in the receiving slot via an elastic member, and the positioning piece has a positioning pin.

[0008] In order to facilitate installation and reduce occupied space, preferably, the main rod includes a top rod body, an intermediate rod body and a bottom rod body, the opening diameter of one end of the top rod body, the intermediate rod body and the bottom rod body is b, and the opening diameter of the other end is c, b>c, and the top rod body, the intermediate rod body and the bottom rod body are plugged and fixed.

[0009] In order to avoid loosening or even separation problems caused by accidental collision or wind force, further, the middle rod body and the bottom rod body are provided with connecting parts, and the outer circular surface of the top rod body and the middle rod body near the end with an opening diameter b is provided with a threaded groove; the connecting part includes a ring sleeve, and a slip ring slidably mounted on the ring sleeve, and the inner wall of the slip ring is provided with an internal thread; wherein, a first limit platform is fixedly mounted inside the slip ring, and a second limit platform is fixedly mounted on the ring sleeve.

[0010] In order to combine the preload force provided by the spring to ensure that the connection between the rod sections is both tight and stable, further, mounting grooves are spaced apart on the outer circumferential surface of the ring sleeve, and a spring is fixedly connected between the slip ring and the inner bottom surface of the mounting groove.

[0011] In order to drive the branch rod to rotate to the optimal angle, the branch rod further includes an electrical box, the electrical box has a groove adapted to the positioning pin, and a hollow rod fixedly connected to the electrical box, the end of the hollow rod close to the main rod has teeth adapted to the tooth groove, the light string is installed in the hollow rod, and is electrically connected to the electrical box through the power interface; wherein, there are limit pins on both sides of the electrical box, and the inner side wall of the receiving slot is provided with a mounting hole adapted to the limit pin.

[0012] In order to increase the light-gathering property of the light string 301 , further, a light-transmitting groove is opened on the hollow rod, and a light-gathering plate is installed in the light-transmitting groove.

[0013] In order to make the distance of the lifting adjustment sleeve different, the branch rods on the middle rod body and the top rod body are opened at different angles, which are in the best display state. Furthermore, the length of the ring sleeve on the bottom rod body is L1, and the length of the ring sleeve on the middle rod body is L2, L1>L2.

[0014] In order to enable users to accurately adjust the branch rods of each layer according to needs and achieve an ideal display effect, the adjustment sleeve is further provided with a slide groove, the slide groove corresponds to the tooth groove, the slide groove and the tooth groove are an adjustment unit, and the adjustment sleeve is provided with multiple adjustment units; wherein, multiple branchers are installed on the top rod body, the middle rod body and the bottom rod body, and the branch rods in the multiple branchers correspond one-to-one to the tooth grooves in the multiple adjustment units, and along the upward direction of the axis, the contact surface between the branch rod and the tooth groove gradually becomes smaller.

[0015] A method for connecting Christmas tree decorative lights, comprising the following steps:

[0016] Step 1: Assemble the disassembled Christmas tree bodies together, plug and fix the internal connectors together and connect them to the external power supply;

[0017] Step 2: Install the branches, ensuring they can rotate freely to adjust the angle, and confirm that the LED lights in each branch are properly electrically connected to the corresponding connectors;

[0018] Step 3: Adjust the angle of the branches to different preset ranges and observe whether the LED lights light up or go out as expected to achieve the best visual effect.

[0019] Compared with the prior art, the present invention provides a Christmas tree decorative light with the following beneficial effects:

[0020] 1. This Christmas tree decorative light rotates the branch rods around their axis by sliding an adjustment sleeve, thereby adjusting the angle a between the branch rods and the main rod. The controller continuously monitors the angle a between the branch rods and the main rod. When the angle a is within the preset range of 60° < a < 90°, the controller activates the light strings in the branch rods to illuminate them, and the branches of the Christmas tree appear to be unfolded, making the overall shape fuller and more three-dimensional. The light strings are lit in this state, maximizing the lighting decorative effect, making the Christmas tree look more vivid and attractive. Conversely, if the angle a is not within this range, the light strings remain off.

[0021] 2. The main pole of this Christmas tree decoration light adopts a segmented design, which is convenient for storage after the holiday season, reduces space occupation, and is also convenient for transportation. This main pole design not only provides physical support, but also provides the necessary channels for electrical connections and intelligent control components.

[0022] 3. This Christmas tree decorative light, through the setting of the connecting parts and the pre-tightening force provided by the spring, ensures that the connection between the various rod sections is both tight and stable, effectively preventing loosening or even separation caused by accidental collisions or wind. As the sliding ring rotates, it gradually lifts the adjustment sleeve. Because the movement distance of the ring sleeve on the bottom rod is greater than that of the ring sleeve on the middle rod, the lifting distance of the adjustment sleeve is different, and the angles of the branch rods on the middle and top rods are different, which is in the best display state. In addition, the overall center of gravity of the Christmas tree is usually located near the bottom. The longer ring sleeve can better fix the connection between the bottom rod and the middle rod, reducing the risk of tipping due to center of gravity shift.

[0023] 4. Each adjustment unit on the adjustment sleeve of the Christmas tree decorative light can independently control the angle of the corresponding branch rod, so that users can accurately adjust the branch rods of each layer as needed to achieve the ideal display effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of a Christmas tree decorative light proposed by the present invention;

[0025] Figure 2 This is a partial planar structural diagram of a Christmas tree decorative light proposed by the present invention;

[0026] Figure 3 A schematic diagram of the partial three-dimensional structure of a Christmas tree decorative light proposed by the present invention

[0027] Figure 4 This is a schematic diagram of the branching structure of a Christmas tree decorative light proposed by the present invention;

[0028] Figure 5 This is a schematic diagram of the structure of an adjustment sleeve for a Christmas tree decorative light proposed by the present invention;

[0029] Figure 6 This is a schematic diagram of the internal structure of a receiving slot for a Christmas tree decorative light proposed by the present invention;

[0030] Figure 7 This is a schematic diagram of the hollow rod structure of a Christmas tree decorative light proposed by the present invention;

[0031] Figure 8 This is a schematic diagram of the connector structure of a Christmas tree decorative light proposed by the present invention;

[0032] Figure 9 This is a schematic diagram of the connection structure between the branch rod and the branching device of a Christmas tree decorative light proposed by the present invention.

[0033] In the figure: 1, main rod; 101, first threaded hole; 102, top rod; 103, middle rod; 104, bottom rod; 105, threaded groove;

[0034] 2. Splitter; 201. Second threaded hole; 202. Receiving slot; 2021. Mounting hole; 203. Positioning piece; 2031. Positioning pin; 204. Torsion spring; 205. Vertical hole;

[0035] 3. Branch rod; 301. Light string; 302. Electrical box; 3021. Groove; 3022. Limit pin; 303. Hollow rod; 3031. Teeth; 3032. Light-transmitting groove; 3033. Focusing plate; 304. Extension rod;

[0036] 4. Adjusting sleeve; 401. Tooth groove; 402. Slide groove;

[0037] 5. Connecting part; 501. Ring sleeve; 5011. Second limit platform; 5012. Mounting groove; 502. Slip ring; 5021. Internal thread; 5022. First limit platform; 503. Spring. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0039] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0040] As in the background art, the trunk and branch poles of the Christmas tree are fixed, and the light strings hung on the branch poles are all manually controlled to turn on and off, which has a low level of intelligence.

[0041] In order to solve this technical problem, the present invention provides a Christmas tree decorative light.

[0042] Specifically, please refer to Figure 1-Figure 5 , the Christmas tree decorative lights specifically include:

[0043] The main rod 1 is a hollow structure with a first threaded hole 101 on its outer surface. A controller for electrically connecting to a voltage source is provided on the inner side of the main rod 1.

[0044] The branching device 2 has a second threaded hole 201 corresponding to the first threaded hole 101, and receiving slots 202 are arranged around the branching device 2 at intervals;

[0045] The branch rod 3 is rotatably mounted in the receiving slot 202, and a light string 301 electrically connected to the controller is provided in the branch rod 3;

[0046] The adjusting sleeve 4 is slidably mounted on the main rod 1. The outer surface of the adjusting sleeve 4 is provided with tooth grooves 401 spaced around each other. The tooth grooves 401 are engaged with the branch rods 3.

[0047] Among them, an angle a is formed between the branch rod 3 and the main rod 1, and the preset range of the angle a is 60°<a<90°. When the controller determines that the angle a is within the preset range, it controls the light string 301 to light up.

[0048] The present invention provides a Christmas tree decorative light, in which the main pole 1 adopts a hollow structure design, and a first threaded hole 101 is provided on the outer circumferential surface for fixed connection with the branch device 2. A controller is provided inside the main pole 1, which is responsible for power distribution and signal processing of the entire system, including controlling the working state of the light string 301 according to the angle a between the branch rod 3 and the main pole 1. The branch device 2 is provided with accommodating slots 202 at intervals, and a branch rod 3 can be rotatably installed in each accommodating slot 202. A light string 301 is arranged inside the branch rod 3, and the light string 301 is electrically connected to the controller in the main pole 1, and can be automatically controlled to light up or go out according to the angle a formed between the branch rod 3 and the main pole 1. The adjustment sleeve 4 is slidably installed on the main pole 1, and tooth grooves 401 are provided on its outer circumferential surface at intervals. These tooth grooves 401 are meshed and connected with the branch rod 3. When the adjustment sleeve 4 slides along the main pole 1, it can drive the branch rod 3 to move together, thereby changing the angle a between the branch rod 3 and the main pole 1.

[0049] First, firmly install the brancher 2 on the main pole 1 through the first threaded hole 101 and the second threaded hole 201. Then, rotate the branch rod 3 to install it in the receiving slot 202 of the brancher 2, and slide the adjustment sleeve 4 to move it up and down along the main pole 1. Since the tooth groove 401 on the adjustment sleeve 4 engages with the branch rod 3, this will cause the branch rod 3 to rotate around its rotation axis, thereby adjusting the angle a between the branch rod 3 and the main pole 1. The controller continuously monitors the angle a between the branch rod 3 and the main pole 1. When the angle a is within the preset range of 60°<a<90°, the controller activates the light string 301 in the branch rod 3 to make it light up; conversely, if the angle a is not within this range, the light string 301 remains off.

[0050] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0051] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions therein may be combined with each other.

[0052] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0053] Example 1

[0054] Please refer to Figures 1-9, a Christmas tree decorative light, comprising: a main rod 1 arranged and spliced axially, with a hollow structure inside, and a first threaded hole 101 opened on the outer circumference, and a controller for electrically connecting to a voltage source is provided on the inner side of the main rod 1, which is responsible for power distribution and signal processing of the entire system; a brancher 2, having a second threaded hole 201 corresponding to the first threaded hole 101, and a receiving slot 202 is arranged on the brancher 2 at intervals, and a positioning piece 203 is installed in the receiving slot 202 through an elastic member, and the positioning piece 203 has a positioning pin 2031, preferably, the elastic member is preferably a torsion spring 204; a branch rod 3, which is rotatably installed in the receiving slot 202, and a light string 301 electrically connected to the controller is provided in the branch rod 3; an adjusting sleeve 4, which is slidably installed on the main rod 1, and a tooth groove 401 is opened on the outer circumference of the adjusting sleeve 4 at intervals, which is engaged with the branch rod 3, and the angle of the branch rod 3 can be changed by sliding the adjusting sleeve 4.

[0055] Specifically, an angle a is formed between the branch rod 3 and the main rod 1 , and the preset range of the angle a is 60°<a<90°. When the controller determines that the angle a is within the preset range, it controls the light string 301 to light up.

[0056] When the angle a between the branch rod 3 and the main rod 1 is within the range of 60°<a<90°, the branch rod 3 of the Christmas tree is in an unfolded state, and the overall shape is fuller and more three-dimensional. When the light string 301 is lit in this state, it can maximize the lighting decoration effect, making the Christmas tree look more vivid and attractive.

[0057] If the branch rod 3 is not fully extended, that is, the angle a is ≤ 60°, it means that the branches may still be in a retracted or adjusted state. At this time, turning off the light string 301 can avoid the visual clutter caused by irregular placement; similarly, if the angle a is ≥ 90°, it means that the branch rod 3 may be too open and beyond the optimal display range. At this time, turning off the light string 301 can avoid an overly scattered lighting effect.

[0058] Please refer to Figure 6 The branch rod 3 includes an electrical box 302, which has a groove 3021 that is compatible with the positioning pin 2031, and a hollow rod 303 fixedly connected to the electrical box 302. Furthermore, a light-transmitting groove 3032 is provided on the hollow rod 303, and a focusing plate 3033 is installed in the light-transmitting groove 3032 to enhance the lighting effect. The end of the hollow rod 303 close to the main rod 1 has teeth 3031 that are compatible with the tooth groove 401, so that when the sliding adjustment sleeve 4 is slidable, the branch rod 3 can be driven to rotate and adjust the angle. The light string 301 is installed in the hollow rod 303 and is electrically connected to the electrical box 302 through the power interface; wherein, there are limit pins 3022 on both sides of the electrical box 302, and a mounting hole 2021 that is compatible with the limit pin 3022 is provided on the inner side wall of the slot that receives the card slot 202.

[0059] When the first screw threaded hole 301 and the second screw threaded hole 301 are in the fixed position, the branch rod 3 is fixed to the receiving slot 202 of the branch rod 2 by the limiting pin 3022 of the electrical box 302 and the mounting hole 2021 in the receiving slot 202. The branch rod 3 is rotated and installed in the receiving slot 202 of the branch rod 2. The electrical box 302 is fixed by the groove 3021 and the positioning pin 2031 on the positioning piece 203, so that the branch rod 3 is in its original state after installation. The sliding adjustment sleeve 4 is engaged with the teeth 3031 on the branch rod 3 due to the engagement of the tooth groove 401 on the adjustment sleeve 4 with the teeth 3031 on the branch rod 3, which causes the branch rod 3 to rotate around its rotation axis, thereby adjusting the angle a between the branch rod 3 and the main rod 1. The controller continuously monitors the angle a between the branch rod 3 and the main rod 1. When the angle a is within the preset range of 60°<a<90°, the controller activates the light string 301 in the branch rod 3 to make it light up; on the contrary, if the angle a is not within the range, the light string 301 remains off.

[0060] Example 2

[0061] The Christmas tree decorative lights provided in Example 1 are further optimized. Specifically, Figure 1 As shown, the main rod 1 includes a top rod body 102, an intermediate rod body 103 and a bottom rod body 104. The opening diameter at one end of the top rod body 102, the intermediate rod body 103 and the bottom rod body 104 is b, and the opening diameter at the other end is c, b>c, and the top rod body 102, the intermediate rod body 103 and the bottom rod body 104 are plugged and fixed.

[0062] like Figure 3 As shown, the rod structure adopted in the present invention is an existing technology as a whole, and the umbrella frame structure adopted is well known to those skilled in the art in the art. It is only an existing technology solution adopted to realize the function of the present invention.

[0063] Through the setting of the above structure, the main pole 1 adopts a segmented design. The opening diameter of one end of each section of the pole is b, and the opening diameter of the other end is c, and the condition b>c is satisfied. In this way, the design of each part is wide at the top and narrow at the bottom, so that these poles can be plugged into and fixed together to form a complete main pole 1 structure, which is convenient for storage after the holiday season, reduces space occupation, and is also convenient for transportation; such a main pole 1 design not only provides physical support, but also provides the necessary channels for electrical connections and intelligent control components. For example, the controller can be wired through the hollow main pole 1 to ensure the safety and concealment of power transmission and signal transmission. In addition, the segmented design may also simplify the installation process of components such as the brancher 2, branch pole 3 and adjustment sleeve 4, because each part can be operated independently and then integrated.

[0064] Example 3

[0065] The Christmas tree decorative lights provided in the second embodiment are further optimized. Specifically, Figure 8 As shown, a connecting piece 5 is provided on the middle rod body 103 and the bottom rod body 104, and a threaded groove 105 is provided on the outer circular surface of the top rod body 102 and the middle rod body 103 near the end with an opening diameter b; the connecting piece 5 includes a ring sleeve 501, and a slip ring 502 slidably mounted on the ring sleeve 501, and an internal thread 5021 is provided on the inner wall of the slip ring 502; wherein, a first limit platform 5022 is fixedly installed inside the slip ring 502, and a second limit platform 5011 is fixedly installed on the ring sleeve 501.

[0066] Mounting grooves 5012 are spaced apart on the outer circumferential surface of the ring sleeve 501 , and a spring 503 is fixedly connected between the slip ring 502 and the inner bottom surface of the mounting groove 5012 .

[0067] Through the arrangement of the above structure, the bottom rod body 104 is placed at the bottom layer, and the middle rod body 103 and the top rod body 102 with the connecting part 5 are installed above it. The specific implementation is to insert the end with a larger opening diameter b into the end with a smaller opening diameter c of the lower part, and then stretch the slip ring 502 so that the internal thread 5021 thereon engages with the thread groove 105. Combined with the pre-tightening force provided by the spring 503, it ensures that the connection between the various sections of the rod body is both tight and stable, effectively avoiding loosening or even separation problems caused by accidental collision or wind. With the rotation action, the slip ring 502 will gradually lift the adjustment sleeve 4, so that the branch rod 3 of the Christmas tree is in an expanded state, the angle a is in a preset state, and the overall shape is more vivid and full.

[0068] Example 4

[0069] The Christmas tree decorative lights provided in the second embodiment are further optimized. Specifically, Figure 1-Figure 5 As shown, the length of the ring sleeve 501 on the bottom rod body 104 is L1, and the length of the ring sleeve 501 on the middle rod body 103 is L2, L1>L2.

[0070] Through the structural setting, since the moving distance of the ring sleeve 501 on the bottom rod body 104 is greater than the moving distance of the ring sleeve 501 on the middle rod body 103, the lifting distance of the adjustment sleeve 4 is different, and the angles of opening of the branch rods 3 on the middle rod body 103 and the top rod body 102 are different, which are in the best display state. The overall center of gravity of the Christmas tree is usually located near the bottom. The longer ring sleeve 501 can better fix the connection between the bottom rod body 104 and the middle rod body 103, reducing the risk of tipping over due to the shift of the center of gravity.

[0071] Example 5

[0072] The Christmas tree decorative lights provided in the second embodiment are further optimized. Specifically, Figure 1-5As shown, the adjusting sleeve 4 is provided with a sliding groove 402, which corresponds to the tooth groove 401. The sliding groove 402 and the tooth groove 401 form an adjusting unit. The adjusting sleeve 4 is provided with multiple adjusting units.

[0073] Among them, multiple branchers 2 are installed on the top rod body 102, the middle rod body 103 and the bottom rod body 104. The branch rods 3 in the multiple branchers 2 correspond one-to-one to the tooth grooves 401 in the multiple adjustment units. Along the upward direction of the axis, the contact surface between the branch rods 3 and the tooth grooves 401 gradually becomes smaller.

[0074] Through the above-mentioned structural arrangement, each adjustment unit can independently control the angle of the corresponding branch rod 3, allowing users to precisely adjust the branch rods 3 of each layer as needed to achieve the desired display effect. The controller continuously monitors the angle a between the branch rods 3 and the main rod 1. When the angle a is within the preset range of 60°<a<90°, the controller activates the light string 301 in the branch rod 3 to illuminate it; conversely, if the angle a is outside this range, the light string 301 remains off.

[0075] Example 6

[0076] like Figure 8 As shown, further, in other embodiments, the branching device 2 is in a seven-shaped shape and is detachably arranged with the main rod 1.

[0077] Furthermore, the number of light strings 301 ranges from 10 to 5000 groups. It should be understood that the light strings 301 of this embodiment include intelligent light control technology, which can adjust the brightness and color of the light to achieve various lighting effects.

[0078] Further, such as Figure 7 As shown, the receiving slot 202 of the splitter 2 is provided with a vertical hole 205 in the vertical direction, and the bottom end of the branch rod 3 is extended in the vertical direction with an extension rod 304 that is detachably inserted into the vertical hole 205, that is, the branch rod 3 is no longer rotated and set in the receiving slot 202.

[0079] The angle value of the angle between the branch rod 3 and the extension rod 304 is within the first preset range, so that when the branch rod 3 and the extension rod 304 are inserted into the vertical hole 205, the angle value of the first angle between the branch rod 3 and the main rod 1 is also within the first preset range, so that when the branch rod 3 is inserted into the receiving slot 202, the controller immediately controls the light string 301 to light up.

[0080] A method for connecting Christmas tree decorative lights, comprising the following steps:

[0081] Step 1: Place the adjustment sleeve 4 on the bottom rod 104, the middle rod 103 and the top rod 102 respectively, and install the branch 2 outside the adjustment sleeve 4 through bolts. The adjustment sleeve 4 can slide between the branch 2 and each rod;

[0082] Step 2: Install the electrical box 302 of the branch rod 3 through the limiting pin 3022 and the mounting hole 2021 in the receiving slot 202 of the splitter 2;

[0083] Step 3: Ensure that the positioning pin 2031 on the positioning piece 203 is correctly aligned with the groove 3021 on the electrical box 302, so that the branch rod 3 is in the initial installation state;

[0084] Step 4: Place the bottom rod 104 at the bottom layer as the foundation. Insert the larger open end of the middle rod 103 into the smaller open end of the bottom rod 104 and secure them using the connector 5. First, stretch the slip ring 502 to engage with the threaded groove 105. Then release the slip ring 502 to allow the spring 503 to provide preload force to ensure a secure connection. Similarly, insert the larger open end of the top rod 102 into the smaller open end of the middle rod 103 and secure them using the same connector 5.

[0085] Step 5: The movement of the slip ring 502 causes the adjustment sleeve 4 to move up and down along the main rod 1. Since the tooth grooves 401 on the adjustment sleeve 4 engage with the teeth 3031 on the branch rod 3, this will cause the branch rod 3 to rotate around its axis, thereby adjusting the angle a between the branch rod 3 and the main rod 1 to ensure that the light string 301 can light up according to the preset conditions.

[0086] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A Christmas tree decorative light, characterized in that: include: The main rod (1) has a hollow structure inside and a first threaded hole (101) is provided on the outer circumferential surface. A controller for electrically connecting to a voltage source is provided on the inner side of the main rod (1); The branching device (2) has a second threaded hole (201) corresponding to the first threaded hole (101), and the branching device (2) is provided with receiving slots (202) at intervals and around the first threaded hole (101); A branch rod (3) is rotatably mounted in the receiving slot (202), and a light string (301) electrically connected to the controller is provided in the branch rod (3); An adjusting sleeve (4) is slidably mounted on the main rod (1), and tooth grooves (401) are provided on the outer circumferential surface of the adjusting sleeve (4) at intervals around the main rod (1), and the tooth grooves (401) are meshed and connected with the branch rod (3); An angle a is formed between the branch rod (3) and the main rod (1), and the preset range of the angle a is 60°<a<90°. When the controller determines that the angle a is within the preset range, it controls the light string (301) to light up.

2. A Christmas tree decorative light according to claim 1, characterized in that: A positioning piece (203) is installed in the receiving card slot (202) via an elastic member, and a positioning pin (2031) is provided on the positioning piece (203).

3. A Christmas tree decorative light according to claim 1, characterized in that: The main rod (1) comprises a top rod body (102), an intermediate rod body (103) and a bottom rod body (104); the opening diameters of one end of the top rod body (102), the intermediate rod body (103) and the bottom rod body (104) are b, and the opening diameters of the other end are c, where b>c; the top rod body (102), the intermediate rod body (103) and the bottom rod body (104) are plugged and fixed.

4. A Christmas tree decorative light according to claim 3, characterized in that: The middle rod body (103) and the bottom rod body (104) are both provided with a connecting piece (5), and the outer circumferential surface of the top rod body (102) and the middle rod body (103) near the end with an opening diameter b is provided with a thread groove (105); The connecting member (5) comprises a ring sleeve (501), and A slip ring (502) is slidably mounted on the ring sleeve (501), wherein an inner wall of the slip ring (502) is provided with an internal thread (5021); A first limiting platform (5022) is fixedly installed inside the slip ring (502), and a second limiting platform (5011) is fixedly installed on the ring sleeve (501).

5. A Christmas tree decorative light according to claim 4, characterized in that: Mounting grooves (5012) are provided at intervals on the outer circumferential surface of the ring sleeve (501), and a spring (503) is fixedly connected between the slip ring (502) and the inner bottom surface of the mounting groove (5012).

6. A Christmas tree decorative light according to claim 2, characterized in that: The branch rod (3) includes an electrical box (302), the electrical box (302) has a groove (3021) adapted to the positioning pin (2031), and A hollow rod (303) fixedly connected to the electrical box (302), wherein one end of the hollow rod (303) close to the main rod (1) has teeth (3031) adapted to the tooth groove (401), and the light string (301) is installed in the hollow rod (303) and electrically connected to the electrical box (302) via a power interface; Wherein, both sides of the electrical box (302) are provided with limiting pins (3022), and the inner side wall of the receiving card slot (202) is provided with a mounting hole (2021) adapted to the limiting pins (3022).

7. A Christmas tree decorative light according to claim 6, characterized in that: A light-transmitting groove (3032) is provided on the hollow rod (303), and a light-collecting plate (3033) is installed in the light-transmitting groove (3032).

8. The Christmas tree decorative light according to claim 4, characterized in that: The length of the ring sleeve (501) on the bottom rod body (104) is L1, and the length of the ring sleeve (501) on the middle rod body (103) is L2, where L1>L2.

9. The Christmas tree decorative light according to claim 3, characterized in that: The adjusting sleeve (4) is provided with a sliding groove (402), the sliding groove (402) corresponds to the tooth groove (401), the sliding groove (402) and the tooth groove (401) form an adjusting unit, and the adjusting sleeve (4) is provided with a plurality of adjusting units; A plurality of branching devices (2) are installed on the top rod body (102), the middle rod body (103) and the bottom rod body (104); the branching rods (3) in the plurality of branching devices (2) correspond one to one with the tooth grooves (401) in the plurality of adjustment units; and the contact surface between the branching rods (3) and the tooth grooves (401) gradually becomes smaller in the upward direction along the axis.

10. A method for connecting a Christmas tree decorative light, according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Assemble the disassembled Christmas tree bodies together, plug and fix the internal connectors together and connect them to the external power supply; Step 2: Install the branches, ensuring they can rotate freely to adjust the angle, and confirm that the LED lights in each branch are properly electrically connected to the corresponding connectors; Step 3: Adjust the angle of the branches to different preset ranges and observe whether the LED lights light up or go out as expected to achieve the best visual effect.

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