Christmas tree with angle-adjustable trunk

Abstract

The utility model discloses a Christmas tree with an adjustable trunk angle, and belongs to the technical field of Christmas trees. Comprising a Christmas tree base and a supporting rod, the supporting rod is installed in the center of the top end of the Christmas tree base, a modeling lamp is installed at the top end of the supporting rod, a supporting disc is arranged on the surface of the supporting rod below the modeling lamp in a sleeving mode, multiple sets of positioning bases are installed at the top end of the supporting disc at equal intervals, and large arms are arranged at the top ends of the positioning bases; small arms are arranged at the top ends of the large arms, trunk frames are installed at the top ends of the small arms, and swing boxes are installed at the top ends of the trunk frames. According to the Christmas tree, the convenient and fast multi-stage position adjustment of the trunk of the Christmas tree is achieved, the size of the Christmas tree is adjusted by conveniently and fast adjusting the position of the trunk, the convenient and fast reciprocating rotation of leaves is facilitated, the dynamic display of the leaves is facilitated, and the striking performance and the ornamental value of the Christmas tree are improved.

Description

Technical Field

[0001] This utility model relates to the field of Christmas tree technology, specifically to a Christmas tree with an adjustable trunk angle. Background Technology

[0002] The modern Christmas tree originated in Germany and gradually became popular worldwide, becoming one of the most famous traditions in Christmas celebrations. Christmas trees are usually made of wood and then decorated. Artificial Christmas trees have appeared on the market to replace wooden Christmas trees. The Christmas tree pole is one of the main components in making artificial Christmas trees. Many decorations are hung on artificial Christmas trees, especially strings of lights to illuminate the tree and enhance the decorative effect.

[0003] A Christmas tree with an adjustable trunk angle, as disclosed in authorization announcement number CN220459125U, includes: a first string of lights; a second string of lights; a support base; a supporting trunk disposed on the support base, wherein the supporting trunk has multiple first branch rods spaced apart in the middle, and the first branch rods are provided with first string of lights; a first connector disposed at the top of the supporting trunk; a top trunk, wherein the top trunk has multiple second branch rods spaced apart in the middle, and the second branch rods are provided with second string of lights; a second connector disposed at the bottom of the top trunk and rotatably connected to the first connector; wherein a trigger button for controlling the rotation of the first connector and the second connector is disposed between the first connector and the second connector.

[0004] Although it allows the trunk to be rotated by pressing a trigger button, so as to adjust the angle of the trunk and make it easier for staff to decorate the top of the Christmas tree.

[0005] However, this does not solve the problem that existing Christmas trees of this type are generally not convenient for multi-level position adjustment, making it difficult to easily adjust the trunk position to adjust the size of the Christmas tree, and making it difficult to easily rotate the leaves back and forth, or to display the leaves dynamically, which greatly affects the eye-catching and ornamental value of the Christmas tree. Utility Model Content

[0006] The purpose of this invention is to provide a Christmas tree with an adjustable trunk angle, in order to solve the problems mentioned in the background art, such as the inconvenience of multi-level adjustment of the Christmas tree's position, the inconvenience of adjusting the trunk position to adjust the size of the Christmas tree, the inconvenience of convenient reciprocating rotation of the leaves, and the inconvenience of dynamic display of the leaves, which affect the eye-catching and ornamental value of the Christmas tree.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a Christmas tree with an adjustable trunk angle, comprising a Christmas tree base and a support rod. The support rod is installed at the center of the top of the Christmas tree base, and a decorative light is installed at the top of the support rod. A support plate is fitted onto the surface of the support rod below the decorative light. Multiple sets of positioning seats with equal spacing are installed at the top of the support plate. Each positioning seat has a large arm at its top, and each large arm has a small arm at its top. Each small arm has a trunk frame at its top, and each trunk frame has a swing box at its top. Leaves are installed on the outer wall of each swing box, and two sets of hanging parts are installed at the bottom of each trunk frame.

[0008] Optionally, each forearm is equipped with a connecting shaft at its bottom end, and the forearm is movably connected to the upper arm via the connecting shaft. Each upper arm is equipped with a hinge shaft at its bottom end, and the upper arm is movably connected to the positioning seat via the hinge shaft.

[0009] Optionally, a support base is installed on the top of the support plate on one side of the positioning seat, and a second electric push rod is movably installed on the top of the support base. A retaining shaft is installed on the output end of the second electric push rod.

[0010] Optionally, a transmission block is installed on the outer wall of the large arm on one side of the clamp shaft, and the second electric push rod is movably connected to the transmission block via the clamp shaft.

[0011] Optionally, a first electric push rod is movably installed on the outer wall of the upper arm above the hinge shaft, and a drive shaft is installed at the output end of each of the first electric push rods. A linkage block is installed at the bottom end of the lower arm on one side of the drive shaft, and the first electric push rod is movably connected to the linkage block through the drive shaft.

[0012] Optionally, a stepper motor is installed inside the swing box, a worm gear is installed at the output end of the stepper motor, and a worm wheel is installed inside the swing box on one side of the worm gear, and the worm wheel meshes with the worm gear.

[0013] Optionally, a linkage arm is provided on the outer wall of the worm gear, and a rear shaft is installed at one end of the linkage arm near the worm gear, and the linkage arm is movably connected to the worm gear through the rear shaft.

[0014] Optionally, a long shaft is installed at one end of the leaf body near the swing box, and the long shaft extends into the interior of the swing box.

[0015] Optionally, the surface of the long shaft is fitted with a positioning sleeve, and the positioning sleeve is connected to the swing box.

[0016] Optionally, a rocker arm is installed at the end of the long axis away from the leaf body, and a front axle is installed at the end of the linkage arm near the rocker arm, and the linkage arm is movably connected to the rocker arm via the front axle.

[0017] Compared with the prior art, the beneficial effects of this utility model are: the Christmas tree not only realizes the convenient multi-level adjustment of the tree trunk position, which facilitates the convenient adjustment of the tree trunk position to adjust the size of the Christmas tree, and facilitates the convenient reciprocating rotation of the leaves, but also facilitates the dynamic display of the leaves, thereby improving the eye-catching and ornamental value of the Christmas tree.

[0018] The second electric push rod moves via a drive block through a retaining shaft. The drive block causes the main arm to rotate around the hinge shaft. The positioning seat supports the hinge shaft. The first electric push rod moves via a drive shaft through a linkage block. The linkage block causes the small arm to rotate around the connecting shaft. The small arm causes the trunk and leaves to rotate, allowing for convenient multi-angle adjustment of the position of the trunk and leaves. This facilitates adjusting the size of the Christmas tree and enhances its aesthetic appeal. It enables convenient multi-level adjustment of the Christmas tree trunk position, allowing for easy adjustment of the tree's size.

[0019] A stepper motor drives a worm gear to rotate, which in turn drives the worm wheel to rotate through the meshing of the worm and worm wheel. The worm wheel drives the linkage arm to move back and forth via the rear axle. The linkage arm drives the rocker arm to rotate back and forth via the front axle. The rocker arm drives the long shaft to rotate back and forth. The positioning sleeve provides movable support for the long shaft. The long shaft drives the leaf body to rotate back and forth, realizing the convenient reciprocating rotation of the Christmas tree leaves. This facilitates the dynamic display of the leaves and enhances the eye-catching and ornamental value of the Christmas tree. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a front view structural diagram of the present utility model;

[0022] Figure 3 This is a front view cross-sectional structural diagram of the tree trunk frame of this utility model;

[0023] Figure 4 This is an enlarged structural schematic diagram of the front cross-section of the boom of this utility model;

[0024] Figure 5 This is a three-dimensional structural diagram of the swing box of this utility model;

[0025] Figure 6 This is a three-dimensional structural diagram of the leaf body of this utility model;

[0026] Figure 7 This is a three-dimensional magnified structural diagram of the worm gear of this utility model.

[0027] In the diagram: 1. Christmas tree base; 2. Support rod; 3. Support plate; 4. Decorative light; 5. Positioning seat; 6. Hinge shaft; 7. First electric push rod; 8. Main arm; 9. Connecting shaft; 10. Forearm; 11. Trunk frame; 12. Leaf body; 13. Swing box; 14. Hanging piece; 15. Linkage block; 16. Drive shaft; 17. Support seat; 18. Second electric push rod; 19. Locking shaft; 20. Drive block; 21. Stepper motor; 22. Rear shaft; 23. Worm gear; 24. Long shaft; 25. Positioning sleeve; 26. Rocker arm; 27. Front shaft; 28. Worm gear; 29. ​​Linkage arm. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0030] 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 indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0031] Example 1

[0032] like Figures 1 to 7As shown, an embodiment of this utility model provides a Christmas tree with an adjustable trunk angle, including a Christmas tree base 1 and a support rod 2. The support rod 2 is installed at the center of the top of the Christmas tree base 1. A decorative light 4 is installed at the top of the support rod 2. A support plate 3 is fitted on the surface of the support rod 2 below the decorative light 4. Multiple sets of positioning seats 5 with equal spacing are installed at the top of the support plate 3. Each positioning seat 5 has a large arm 8 at the top. Each large arm 8 has a small arm 10 at the top. Each small arm 10 has a trunk frame 11 at the top. Each trunk frame 11 has a swing box 13 at the top. Each swing box 13 has leaf bodies 12 installed on its outer wall. Each trunk frame 11 has two sets of hanging parts 14 at its bottom.

[0033] The bottom of each forearm 10 is equipped with a connecting shaft 9, and the forearm 10 is movably connected to the upper arm 8 through the connecting shaft 9. The bottom of each upper arm 8 is equipped with a hinge shaft 6, and the upper arm 8 is movably connected to the positioning seat 5 through the hinge shaft 6.

[0034] Support seats 17 are installed on the top of the support plate 3 on one side of the positioning seat 5. The second electric push rod 18 is movably installed on the top of the support seat 17. The output end of the second electric push rod 18 is equipped with a retaining shaft 19. A transmission block 20 is installed on the outer wall of the large arm 8 on one side of the retaining shaft 19. The second electric push rod 18 is movably connected to the transmission block 20 through the retaining shaft 19.

[0035] A first electric push rod 7 is movably installed on the outer wall of the large arm 8 above the hinge shaft 6. A drive shaft 16 is installed at the output end of the first electric push rod 7. A linkage block 15 is installed at the bottom end of the small arm 10 on one side of the drive shaft 16. The first electric push rod 7 is movably connected to the linkage block 15 through the drive shaft 16.

[0036] The decorative lights 4 facilitate lighting, while the multiple sets of leaf bodies 12 arranged in a circular pattern serve as eye-catching elements. Multiple sets of hanging ornaments 14 provide decorative embellishment. Opening the second electric push rod 18, supported by the support base 17, allows the second electric push rod 18 to drive the transmission block 20 via the locking shaft 19. The transmission block 20 then drives the main arm 8 to rotate around the hinge shaft 6. The positioning seat 5 supports the hinge shaft 6. Opening the first electric push rod 7, supported by the main arm 8, allows the first electric push rod 7 to drive the linkage block 15 via the transmission shaft 16. The linkage block 15 then drives the forearm 10 to rotate around the connecting shaft 9. The forearm 10 then drives the trunk frame 11 and leaf bodies 12 to rotate, facilitating multi-angle adjustment of the trunk frame 11 and leaf bodies 12. This allows for easy adjustment of the Christmas tree's size and enhances its aesthetic appeal. The system enables convenient multi-level adjustment of the Christmas tree trunk's position, allowing for easy adjustment of the tree's size.

[0037] A stepper motor 21 is installed inside the swing box 13. A worm gear 28 is installed at the output end of the stepper motor 21. A worm wheel 23 is installed inside the swing box 13 on one side of the worm gear 28, and the worm wheel 23 meshes with the worm gear 28. A linkage arm 29 is provided on the outer wall of the worm wheel 23. A rear shaft 22 is installed at the end of the linkage arm 29 near the worm wheel 23, and the linkage arm 29 is movably connected to the worm wheel 23 through the rear shaft 22.

[0038] A long shaft 24 is installed at one end of the leaf body 12 near the swing box 13, and the long shaft 24 extends into the interior of the swing box 13. A positioning sleeve 25 is movably fitted on the surface of the long shaft 24, and the positioning sleeve 25 is connected to the swing box 13. A rocker arm 26 is installed at the end of the long shaft 24 away from the leaf body 12. A front shaft 27 is installed at the end of the linkage arm 29 near the rocker arm 26, and the linkage arm 29 is movably connected to the rocker arm 26 through the front shaft 27.

[0039] By turning on the stepper motor 21, supported by the swing box 13, the stepper motor 21 drives the worm gear 28 to rotate. Under the meshing of the worm gear 28 and the worm wheel 23, the worm wheel 23 drives the linkage arm 29 to move back and forth via the rear shaft 22. The linkage arm 29 drives the rocker arm 26 to rotate back and forth via the front shaft 27. The rocker arm 26 drives the long shaft 24 to rotate back and forth. The positioning sleeve 25 provides movable support for the long shaft 24. The long shaft 24 drives the leaf body 12 to rotate back and forth, realizing the convenient reciprocating rotation of the Christmas tree leaves, facilitating the dynamic display of the leaves, and improving the eye-catching and ornamental value of the Christmas tree.

[0040] Work steps

[0041] Firstly, the decorative light 4 facilitates lighting, while multiple sets of leaf-shaped pieces 12 arranged in a circular pattern serve a striking purpose. Multiple sets of hanging ornaments 14 complement each other for decorative purposes. Secondly, the electric push rod 18 drives the transmission block 20 via the retaining shaft 19, which in turn drives the main arm 8 to rotate around the hinge shaft 6. The positioning seat 5 supports the hinge shaft 6. The first electric push rod 7 drives the linkage block 15 via the transmission shaft 16, which in turn drives the forearm 10 to rotate around the connecting shaft 9. The forearm 10 then drives the trunk frame 11 and the leaves... The main body 12 rotates to facilitate multi-angle adjustment of the position of the trunk frame 11 and the leaf body 12, thereby facilitating the adjustment of the size of the Christmas tree and improving its aesthetic appeal. The stepper motor 21 drives the worm gear 28 to rotate, and the worm wheel 23 drives the linkage arm 29 to reciprocate via the rear shaft 22. The linkage arm 29 drives the rocker arm 26 to reciprocate via the front shaft 27. The rocker arm 26 drives the long shaft 24 to reciprocate. The positioning sleeve 25 provides movable support for the long shaft 24, and the long shaft 24 drives the leaf body 12 to reciprocate, thus completing the use of the Christmas tree.

[0042] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A Christmas tree with an adjustable trunk angle, characterized in that: The Christmas tree includes a base and a support pole. The support pole is installed at the center of the top of the base, and a decorative light is installed at the top of the support pole. A support plate is fitted onto the surface of the support pole below the decorative light. Multiple sets of positioning seats are installed at equal intervals at the top of the support plate. Each positioning seat has a large arm at its top, each large arm has a small arm at its top, each small arm has a trunk frame at its top, and each trunk frame has a swing box at its top. Leaves are installed on the outer wall of each swing box, and two sets of hanging ornaments are installed at the bottom of each trunk frame.

2. The Christmas tree with an adjustable trunk angle according to claim 1, characterized in that: Each forearm is equipped with a connecting shaft at its bottom end, and the forearm is movably connected to the upper arm via the connecting shaft. Each upper arm is equipped with a hinge shaft at its bottom end, and the upper arm is movably connected to the positioning seat via the hinge shaft.

3. The Christmas tree with an adjustable trunk angle according to claim 1, characterized in that: Each of the support plates on one side of the positioning seat is equipped with a support base, and each support base is movably mounted with a second electric push rod. The output end of each second electric push rod is equipped with a retaining shaft.

4. The Christmas tree with an adjustable trunk angle according to claim 3, characterized in that: A transmission block is installed on the outer wall of the large arm on one side of the clamp shaft, and the second electric push rod is movably connected to the transmission block through the clamp shaft.

5. The Christmas tree with an adjustable trunk angle according to claim 2, characterized in that: Each of the upper arm outer walls above the hinge shaft is movably mounted with a first electric push rod. Each of the first electric push rods has a drive shaft installed at its output end. Each of the lower arm bottom ends on one side of the drive shaft is equipped with a linkage block. The first electric push rod is movably connected to the linkage block via the drive shaft.

6. The Christmas tree with an adjustable trunk angle according to claim 1, characterized in that: A stepper motor is installed inside the swing box, and a worm gear is installed at the output end of the stepper motor. A worm wheel is installed inside the swing box on one side of the worm gear, and the worm wheel meshes with the worm gear.

7. The Christmas tree with an adjustable trunk angle according to claim 6, characterized in that: A linkage arm is provided on the outer wall of the worm gear. A rear shaft is installed at one end of the linkage arm near the worm gear, and the linkage arm is movably connected to the worm gear through the rear shaft.

8. The Christmas tree with an adjustable trunk angle according to claim 7, characterized in that: The leaf body has a long shaft installed at one end near the swing box, and the long shaft extends into the interior of the swing box.

9. The Christmas tree with an adjustable trunk angle according to claim 8, characterized in that: The surface of the long shaft is fitted with a positioning sleeve, and the positioning sleeve is connected to the swing box.

10. The Christmas tree with an adjustable trunk angle according to claim 8, characterized in that: A rocker arm is installed at the end of the long axis away from the leaf body, and a front axle is installed at the end of the linkage arm near the rocker arm, and the linkage arm is movably connected to the rocker arm via the front axle.

Images