Adjusting structure of Christmas tree

Abstract

The utility model relates to the technical field of Christmas trees, in particular to a Christmas tree adjusting structure which comprises a supporting shaft, a plurality of U-shaped plates are fixedly arranged on the outer wall of the supporting shaft, branch installation sleeves are arranged in the U-shaped plates in a sliding mode, and installation holes used for inserting branches are formed in the outer side ends of the branch installation sleeves. According to the device, positioning pins with different heights can be inserted into positioning holes and positioning grooves of a branch mounting sleeve by sliding or rotating the branch mounting sleeve after locking of the positioning pins is relieved, so that the height and angle of a branch can be adjusted at will, and the appearance of a Christmas tree can be adjusted more freely; all the positioning pins can be synchronously unlocked by rotating the threaded sleeve, and unlocking is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of Christmas trees, in particular to an adjusting structure of a Christmas tree. Background Art

[0002] During Christmas, all kinds of Christmas trees can be seen everywhere on various occasions. Some are decorated with real trees, and more are artificial Christmas trees made by plastic injection molding. On these trees, various bells, shiny balls, gifts and small light bulbs are also hung and tied for decoration. The branches of these structured Christmas trees are usually fixed at an angle and cannot be adjusted by themselves, thus failing to meet people's diverse adjustment and decoration needs. There is a structure for adjusting the angle of the branches of a Christmas tree and a Christmas tree applying this structure with the application number CN202121000519.1, which includes a branch installation sleeve for branch installation. A branch fixing frame is arranged around the branch installation sleeve... The branches are clamped in different elastic card slots to adjust the angle of the branches, meeting people's diverse adjustment and decoration needs. However, this device can only adjust the angle of the branches and cannot adjust the height of the branches. Summary of the Utility Model

[0003] The purpose of the utility model is to solve the defect that in the prior art, only the angle of the branches can be adjusted and the height of the branches cannot be adjusted, and an adjusting structure of a Christmas tree is proposed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] Design an adjusting structure of a Christmas tree, including a support shaft. A number of U-shaped plates are fixedly arranged on the outer wall of the support shaft. A branch installation sleeve is slidably arranged inside the U-shaped plate. An installation hole for inserting a branch is opened at the outer end of the branch installation sleeve. A number of pairs of jacks are opened on both sides of the U-shaped plate, and a positioning pin is inserted into the jack through an installation structure. A chamfer is opened at one end of the positioning pin located inside the U-shaped plate. Positioning holes are opened on both sides of the inner end of the branch installation sleeve, and one end of the positioning pin with a chamfer inserted into the positioning hole is close to the support shaft. Positioning grooves are opened on both sides of the branch installation sleeve, and one end of the positioning pin with a chamfer on the outside is inserted into the positioning groove.

[0006] Preferably, the installation structure includes an installation seat, a spring, a locking device and a limiting device. Installation seats are fixedly arranged on the outer walls of both sides of the U-shaped plate, and a positioning pin locked by the locking device is inserted into the installation seat through the limiting device. A spring is fixedly arranged at one end of the positioning pin located inside the installation seat, and the other end of the spring abuts against the installation seat.

[0007] Preferably, the locking device includes a locking plate, a sliding groove, and a locking groove. A sliding groove is formed on the outer wall of each pair of the mounting seats close to each other, and a locking plate is slidably arranged in each sliding groove. The locking plate is slidably arranged on the side surface of the U-shaped plate through a synchronization device, and a locking groove matching with the locking plate is formed on the outer wall of the positioning pin.

[0008] Preferably, a threaded hole is formed at the top of the tree branch mounting sleeve, and a fastening screw whose lower end abuts against and inserts into the tree branch in the tree branch mounting sleeve is threadedly connected in the threaded hole.

[0009] Preferably, the synchronization device includes a lifting rod and a fixing plate. Fixing plates are fixedly arranged at both the upper and lower ends of the U-shaped plate, and a jack is formed on the upper end surface of the fixing plate. The lifting rod is inserted into the jack. The outer wall of each fixing plate is fixedly connected with a plurality of locking plates located on the same side of the corresponding U-shaped plate, and a lifting device is arranged at the upper end of the lifting rod.

[0010] Preferably, the lifting device includes a threaded sleeve and a lifting ring. The upper outer wall of the support shaft is threadedly connected with the threaded sleeve. An annular groove is formed on the outer wall of the threaded sleeve, and the lifting ring is rotatably arranged in the annular groove. The lower end of the lifting ring is fixedly connected with the lifting rod.

[0011] Preferably, the limiting device includes a limiting groove and a limiting block. A limiting groove is formed on the inner wall of the mounting seat, and a limiting block is slidably arranged in the limiting groove. The limiting block is welded on the outer wall of the positioning pin.

[0012] An adjustment structure of a Christmas tree proposed by the present utility model has the beneficial effects that: after unlocking the positioning pin, the tree branch mounting sleeve can be slid or rotated, so that positioning pins with different heights are inserted into the positioning holes and positioning grooves of the tree branch mounting sleeve, thereby the height and angle of the tree branch can be adjusted arbitrarily, and the appearance of the Christmas tree can be adjusted more freely. By rotating the threaded sleeve, the locking of all positioning pins can be released synchronously, and the unlocking is more convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of an adjustment structure of a Christmas tree proposed by the present utility model;

[0014] Figure 2 is an enlarged view of Area A of an adjustment structure of a Christmas tree proposed by the present utility model;

[0015] Figure 3 is an enlarged view of Area B of an adjustment structure of a Christmas tree proposed by the present utility model;

[0016] Figure 4 is a partial cross-sectional structural diagram of an adjustment structure of a Christmas tree proposed by the present utility model;

[0017] Figure 5 Schematic diagram of the limiting block structure of an adjustment structure for a Christmas tree proposed by the present utility model.

[0018] In the figure: 1, mounting base; 2, locking plate; 3, tree branch mounting sleeve; 4, positioning groove; 5, U-shaped plate; 6, fixing plate; 7, lifting ring; 8, threaded sleeve; 9, support shaft; 10, lifting rod; 11, mounting hole; 12, positioning pin; 13, chamfer; 14, sliding groove; 15, locking groove; 16, limiting groove; 17, spring; 18, limiting block. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0020] Referring to Figures 1-5 , an adjustment structure for a Christmas tree includes a support shaft 9. A plurality of U-shaped plates 5 are fixedly provided on the outer wall of the support shaft 9. A tree branch mounting sleeve 3 is slidably provided inside the U-shaped plate 5. An installation hole 11 for inserting a tree branch is provided at the outer end of the tree branch mounting sleeve 3. A plurality of pairs of insertion holes are provided on both sides of the U-shaped plate 5, and a positioning pin 12 is inserted into the insertion holes through an installation structure. A chamfer 13 is provided at one end of the positioning pin 12 located inside the U-shaped plate 5. Positioning holes are provided on both sides of the inner end of the tree branch mounting sleeve 3, and one end of the positioning pin 12 provided with a chamfer 13 and close to the support shaft 9 is inserted into the positioning holes. Positioning grooves 4 are provided on both sides of the tree branch mounting sleeve 3, and one end of the outer positioning pin 12 provided with a chamfer 13 is inserted into the positioning groove 4.

[0021] The installation structure includes a mounting base 1, a spring 17, a locking device, and a limiting device. Mounting bases 1 are fixedly provided on the outer walls of both sides of the U-shaped plate 5, and the positioning pin 12 locked by the locking device is inserted into the mounting base 1 through the limiting device. A spring 17 is fixedly provided at one end of the positioning pin 12 located inside the mounting base 1, and the other end of the spring 17 abuts against the mounting base 1.

[0022] The locking device includes a locking plate 2, a sliding groove 14, and a locking groove 15. A sliding groove 14 is provided on the outer wall of each pair of mounting bases 1 close to each other, and a locking plate 2 is slidably provided in each sliding groove 14. The locking plate 2 is slidably arranged on the side surface of the U-shaped plate 5 through a synchronization device. A locking groove 15 matching the locking plate 2 is provided on the outer wall of the positioning pin 12.

[0023] A threaded hole is provided at the top of the tree branch mounting sleeve 3, and a fastening screw whose lower end abuts against the tree branch inserted into the tree branch mounting sleeve 3 is threadedly connected in the threaded hole.

[0024] The synchronization device includes a lifting rod 10 and a fixing plate 6. Fixing plates 6 are fixedly provided at both the upper and lower ends of the U-shaped plate 5, and insertion holes are formed in the upper end surfaces of the fixing plates 6. The lifting rod 10 is inserted into the insertion holes. A plurality of locking plates 2 located on the same side of the corresponding U-shaped plate 5 are fixedly connected to the outer walls of each fixing plate 6. A lifting device is provided at the upper end of the lifting rod 10.

[0025] The lifting device includes a threaded sleeve 8 and a lifting ring 7. The outer wall of the upper end of the support shaft 9 is threadedly connected with a threaded sleeve 8. A ring groove is formed in the outer wall of the threaded sleeve 8, and a lifting ring 7 is rotatably provided in the ring groove. The lower end of the lifting ring 7 is fixedly connected to the lifting rod 10.

[0026] The limiting device includes a limiting groove 16 and a limiting block 18. A limiting groove 16 is formed in the inner wall of the mounting seat 1, and a limiting block 18 is slidably provided in the limiting groove 16. The limiting block 18 is welded to the outer wall of the positioning pin 12.

[0027] Working principle: By rotating the threaded sleeve 8, the lifting ring 7 drives the lifting rod 10 and the locking plates 2 to lift and lower synchronously, so that the locking plates 2 are inserted into or pulled out of the locking groove 15, thereby unlocking or locking the positioning pin 12; after unlocking the positioning pin 12, by sliding or rotating the tree branch mounting sleeve 3, positioning pins 12 at different heights are inserted into the positioning holes and positioning grooves 4 of the tree branch mounting sleeve 3.

[0028] After unlocking the positioning pin 12, the device can slide or rotate the tree branch mounting sleeve 3, so that positioning pins 12 at different heights are inserted into the positioning holes and positioning grooves 4 of the tree branch mounting sleeve 3, thereby freely adjusting the height and angle of the tree branches, making it possible to more freely adjust the appearance of the Christmas tree. By rotating the threaded sleeve 8, all the positioning pins 12 can be unlocked synchronously, and the unlocking is more convenient and fast.

[0029] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A Christmas tree adjustment structure, comprising a support shaft (9), characterized in that: A plurality of U-shaped plates (5) are fixedly provided on the outer wall of the support shaft (9), a branch mounting sleeve (3) is slidably provided inside the U-shaped plate (5), a mounting hole (11) for inserting a branch is provided at the outer end of the branch mounting sleeve (3), a plurality of pairs of insertion holes are provided on both sides of the U-shaped plate (5), and a positioning pin (12) is inserted into the insertion hole through a mounting structure, and a chamfer (13) is provided at one end of the positioning pin (12) located inside the U-shaped plate (5), positioning holes are provided on both sides of the inner side end of the branch mounting sleeve (3), and one end of the positioning pin (12) with a chamfer (13) close to the support shaft (9) is inserted into the positioning hole, and positioning grooves (4) are provided on both sides of the branch mounting sleeve (3), and one end of the outer positioning pin (12) with a chamfer (13) is inserted into the positioning groove (4).

2. The adjustment structure of a Christmas tree according to claim 1, characterized in that: The mounting structure comprises a mounting seat (1), a spring (17), a locking device, and a limiting device. The mounting seats (1) are fixedly provided on the outer walls of both sides of the U-shaped plate (5), and a positioning pin (12) locked by the locking device is inserted into the interior of the mounting seat (1) through the limiting device. A spring (17) is fixedly provided at one end of the positioning pin (12) located in the mounting seat (1), and the other end of the spring (17) abuts against the mounting seat (1).

3. The adjustment structure of a Christmas tree according to claim 2, characterized in that: The locking device comprises a locking plate (2), a sliding groove (14), and a locking groove (15); a sliding groove (14) is provided on the outer wall of each pair of mounting seats (1) close to each other, and a locking plate (2) is slidably arranged in each sliding groove (14); the locking plate (2) is slidably arranged on the side of the U-shaped plate (5) through a synchronization device; and a locking groove (15) matching with the locking plate (2) is provided on the outer wall of the positioning pin (12).

4. The adjustment structure of a Christmas tree according to claim 1, characterized in that: A threaded hole is provided at the top of the branch mounting sleeve (3), and a fastening screw whose lower end abuts against a branch inserted into the branch mounting sleeve (3) is threadedly connected in the threaded hole.

5. The adjustment structure of a Christmas tree according to claim 3, characterized in that: The synchronization device comprises a lifting rod (10) and a fixed plate (6). The upper and lower ends of the U-shaped plate (5) are fixedly provided with the fixed plates (6). The upper end surface of the fixed plate (6) is provided with a plug hole, and the lifting rod (10) is inserted into the plug hole. The outer wall of each of the fixed plates (6) is fixedly connected to a plurality of locking plates (2) located on the same side of the corresponding U-shaped plate (5). The upper end of the lifting rod (10) is provided with a lifting device.

6. The adjustment structure of a Christmas tree according to claim 5, characterized in that: The lifting device comprises a threaded sleeve (8) and a lifting ring (7); the upper outer wall of the support shaft (9) is threadedly connected to the threaded sleeve (8); the outer wall of the threaded sleeve (8) is provided with an annular groove, and the lifting ring (7) is rotatably arranged in the annular groove; the lower end of the lifting ring (7) is fixedly connected to the lifting rod (10).

7. The adjustment structure of a Christmas tree according to claim 1, characterized in that: The limiting device comprises a limiting groove (16) and a limiting block (18); the limiting groove (16) is provided on the inner wall of the mounting seat (1), and the limiting block (18) is slidably arranged in the limiting groove (16); and the limiting block (18) is welded to the outer wall of the positioning pin (12).

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