SUPPORT BASE

Abstract

A support base comprises a stand assembly and clamping assemblies, wherein the stand assembly comprises a base and at least three fixing rods uniformly fixed to the base; the clamping assemblies are located on an inner side of the stand assembly and hinged to the fixing rods; each clamping assembly comprises a clamping block rotatably connected to the corresponding fixing rod and an elastic element located between the clamping block and the stand assembly and fixedly connected to the clamping block and the stand assembly. The support base can satisfy the installation requirements of Christmas trees with different diameters and can realize convenient and quick installation without a long time and much effort; the support base is not only suitable for Christmas trees, but also suitable for various articles with a rod-like bottom similar to the Christmas trees such as sunshades.

Claims

1. A support base, comprising a stand assembly (1) and clamping assemblies (2), wherein the stand assembly (1) comprises a base (11) and at least three fixing rods (12) uniformly fixed to the base (11); the clamping assemblies (2) are located on an inner side of the stand assembly (1) and hinged to the fixing rods (12); each said clamping assembly (2) comprises a clamping block (21) rotatably connected to the corresponding fixing rod (12) and an elastic element (22) located between the clamping block (21) and the stand assembly (1) and fixedly connected to the clamping block (21) and the stand assembly (1).

2. The support base according to claim 1, wherein the elastic element (22) is a spring or a torsion spring.

3. The support base according to claim 1, wherein a fixing piece (111) is arranged in a middle of the base (11).

4. The support base according to claim 1, further comprising support assemblies (3) connected to the stand assembly (1).

5. The support base according to claim 4, wherein each said support assembly (3) comprises a first support rod (31), an end, close to the stand assembly (1), of the first support rod (31) is provided with a clamping portion (311), and at least one fixing hole is formed in the clamping portion (311); the support assemblies (3) are rotatably connected to the fixing rods (12) by means of hinge pins penetrating through the fixing holes, and first elastic hinge pins (121) matched with the fixing holes are arranged on the fixing rods (12).

6. The support base according to claim 5, wherein each said support assembly (3) further comprises a second support rod (32), a sliding groove matched with the first support rod (31) is formed in the second support rod (32), the first support rod (31) is slidably connected to the second support rod (32), an end, close to the second support rod (32), of the first support rod (31) is provided with a second elastic hinge pin (312), and a hole matched with the second elastic hinge pin (312) is formed in a top of the second support rod (32).

7. The support base according to claim 6, wherein third elastic hinge pins (122) located between the first elastic hinge pins (121) and the clamping blocks (21) are arranged in middles of the fixing rods (12), and clamping and limiting holes (211), corresponding to the third elastic hinge pins (122), are formed in ends, away from the fixing rods (12), of the clamping blocks (21).

8. The support base according to claim 7, wherein the first elastic hinge pins (121), the second elastic hinge pins (312) and the third elastic hinge pins (122) are each formed by an elastic piece in a middle and limiting pieces at two ends and are n-shaped on the whole; the elastic pieces of the first elastic hinge pins (121) are located in the fixing rods (12), and the limiting pieces of the first elastic hinge pins (121) penetrate through the fixing rods (12) and extend out of the fixing rods (12); the elastic pieces of the second elastic hinge pins (312) are located in the first support rods (31), and the limiting pieces of the second elastic hinge pins (312) penetrate through the first support rods (31) and extend out of the first support rods (31); the elastic pieces of the third elastic hinge pins (122) are located in the fixing rods (12), and the limiting pieces of the third elastic hinge pins (122) penetrate through the fixing rods (12) and extend out of the fixing rods (12).

9. The support base according to claim 1, wherein clamping grooves (212) are formed in the clamping blocks (21) and fit the fixing rods (12) in size.

10. The support base according to claim 1, wherein the stand assembly (1) further comprises a fixing ring (13), and the fixing ring (13) is fixedly connected to the fixing rods (12).

Description

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

[0024] FIG. 1 is a schematic structural view of a support base according to Embodiment 1;

[0025] FIG. 2 is a schematic structural view of a support base according to Embodiment 2;

[0026] FIG. 3 is a schematic top view of the support base according to Embodiment 2;

[0027] FIG. 4 is a front view of the support base according to Embodiment 2;

[0028] FIG. 5 is a sectional view of the support base in FIG. 3 according to Embodiment 2;

[0029] FIG. 6 is an enlarged view of part B in FIG. 5 according to Embodiment 2;

[0030] FIG. 7 is a schematic structural view of a support assembly, in a folded state, of the support base according to Embodiment 2;

[0031] FIG. 8 is a schematic structural view of first support rods of the support base according to claim 2;

[0032] FIG. 9 is a schematic structural view of a first elastic hinge pin of the support base according to Embodiment 2;

[0033] FIG. 10 is a schematic structural view of the support base having a Christmas tree installed thereon according to Embodiment 2;

[0034] FIG. 11 is a schematic structural view of a support base according to Embodiment 3.

[0035] In the FIGS.: 1, stand assembly; 11, base; 111, fixing piece; 12, fixing rod; 121, first elastic hinge pin; 122, third elastic hinge pin; 13, fixing ring; 2, clamping assembly; 21, clamping block; 211, clamping and limiting hole; 212, clamping groove; 22, elastic element; 3, support assembly; 31, first support rod; 311, clamping portion; 312, second elastic hinge pin; 32, second support rod.

DETAILED DESCRIPTION OF THE INVENTION

[0036] To gain a better understanding of the purposes, technical solutions and advantages of the present invention, the present invention is specifically expounded below in conjunction with the accompanying drawings.

Embodiment 1

[0037] As shown in FIG. 1, a support base comprises a stand assembly 1 and clamping assemblies 2, wherein the stand assembly 1 comprises a base 11 and at least three fixing rods 12 uniformly fixed to the base 11, and the number of the fixing rods 12 can be increased as required to improve the clamping force; the clamping assemblies 2 are located on an inner side of the stand assembly 1 and hinged to the fixing rods 12; each clamping assembly 2 comprises a clamping block 21 and an elastic element 22, wherein the top of the clamping block 21 is rotatably connected to the corresponding fixing rod 12 by means of a hinge pin, and the elastic element 22 is located between the clamping block 21 and the stand assembly 1 and has two ends fixedly connected to the clamping block 21 and the stand assembly 1 respectively. The base 11 is cylindrical and can store a nutrient solution to maintain the growth of a Christmas tree. Third elastic hinge pins 122 are arranged on the fixing rods 12, and clamping and limiting holes 211 corresponding to the third elastic hinge pins 122 are formed in ends, away from the fixing rods 12, of the clamping blocks 21. Clamping grooves 212 are formed in the clamping blocks 21 and fit the fixing rods 12 in size. The clamping blocks 21 can be folded by means of the clamping grooves 212, the third elastic hinge pins 122 can be clamped in the clamping and limiting holes 211 to attach the clamping blocks 21 to the fixing rods 12 to release the Christmas tree, and then the Christmas tree can be taken out. The stand assembly 1 further comprises a fixing ring 13, and the fixing ring 13 is fixedly connected to the fixing rods 12 and arranged at the tops of the fixing rods 12. The support base is not only suitable for the Christmas tree, but also suitable for various articles with a rod-like bottom similar to the Christmas tree such as sunshades and can support products with a rod-like end close to the ground.

[0038] The support base is used as follows:

[0039] The stand assembly 1 is fixedly placed at an installation position, the trunk of the Christmas tree is inserted into the base 11, the clamping blocks 21 of the clamping assemblies 2 firmly clamp the trunk of the Christmas tree, and the Christmas tree is kept in an upright state under the action of an elastic force of the elastic elements 22, such that the Christmas tree is installed on the support base. After the Christmas tree is installed on the support base, a nutrient solution can be poured into the base 11 to maintain the growth of the Christmas tree to keep the Christmas tree fresh.

[0040] When the Christmas tree needs to be detached, the clamping blocks 21 are pressed downward to allow the third elastic hinge pins 122 to be clamped in the clamping and limiting holes 211 to attach the clamping blocks 21 to the fixing rods 12, such that the Christmas tree is released and then taken out to be detached from the support base.

Embodiment 2

[0041] As shown in FIGS. 2 and 3, a support base comprises a stand assembly 1 and clamping assemblies 2, wherein the stand assembly 1 comprises a base 11 and four fixing rods 12 uniformly fixed to the base 11; the clamping assemblies 2 are located on an inner side of the stand assembly 1 and hinged to the fixing rods 12; each clamping assembly 2 comprises a clamping block 21 and an elastic element 22, wherein the top of the clamping block 21 is rotatably connected to the corresponding fixing rod 12 by means of a hinge pin, and the elastic element 22 is located between the clamping block 21 and the stand assembly 1 and fixedly connected to the clamping block 21 and the stand assembly 1. The base 11 is cylindrical and can store a nutrient solution to maintain the growth of a Christmas tree. The support base can adapt to rod portions of trunks with different diameters by means of the clamping assemblies 2 hinged to the fixing rods 12, and the clamping blocks 21 can abut against the rod portions of the trunks under the action of an adjustable elastic force of the elastic elements 22 to firmly clamp the trunks, such that the installation requirements of trunks with different diameters can be met, the practicability of the support base is effectively improved, and installation is quick and convenient.

[0042] As shown in FIGS. 4, 5 and 6, the elastic elements 22 are torsion springs. The torsion springs are located below the clamping blocks 21, and each of the torsion springs has one end abutting against the corresponding clamping block 21 and the other end abutting against the corresponding fixing rod 12. Under the action of an adjustable interaction force of the torsion springs, the clamping blocks 21 can abut against the rod portion of the trunk to firmly clamp the trunk.

[0043] A fixing piece 111 is arranged in the middle of the base 11 and is pin-shaped. When the trunk of the Christmas tree is inserted into the base 11, the bottom of the trunk of the Christmas tree can be firmly fixed by the fixing piece 111 in the middle of the base 11 to form a firm anchoring point at the bottom of the trunk of the Christmas tree to fulfill the purpose of reinforcement.

[0044] As shown in FIGS. 7 and 9, the support base further comprises support assemblies 3 connected to the stand assembly 1. Each support assembly 3 comprises a first support rod 31, wherein an end, close to the stand assembly 1, of the first support rod 31 is provided with a clamping portion 311, and two fixing holes are formed in the clamping portion 311; the support assemblies 3 are rotatably connected to the fixing rods 12 by means of hinge pins penetrating through the fixing holes, and first elastic hinge pins 121 matched with the fixing holes are arranged on the fixing rods 12. The first support rods 31 are inserted into the fixing rods 12 by means of the clamping portions 311 and rotatably connected to the fixing rods 12 by means of hinge pins, and the first elastic hinge pins 121 arranged on the fixing rods 12 are matched with the fixing holes in the clamping portions 311, such that the first support rods 31 can be firmly fixed to provide a support force for the stand assembly 1 and will not deflect, thus fulfilling a safe and stable effect.

[0045] Each support assembly 3 further comprises a second support rod 32, wherein a sliding groove matched with the first support rod 31 is formed in the second support rod 32, the first support rod 31 is slidably connected to the second support rod 32, an end, close to the second support rod 32, of the first support rod 31 is provided with a second elastic hinge pin 312, and a hole matched with the second elastic hinge pin 312 is formed in the top of the second support rod 32. The second support rods 32 can slidably sleeve the first support rods 31 to fold the support assemblies 3, such that the support assemblies 3 can be better stored when not used; in use, the second elastic hinge pins 312 are clamped in the fixing holes, that is, the first support rods 31 and the second support rods 32 are fixed to reduce the effort and time for folding or installation, thus reducing fatigue and improving installation efficiency.

[0046] Third elastic hinge pins 122 located between the first elastic hinge pins 121 and the clamping blocks 21 are arranged in the middles of the fixing rods 12, and clamping and limiting holes 211, corresponding to the third elastic hinge pins 122, are formed in ends, away from the fixing rods 12, of the clamping blocks 21.

[0047] As shown in FIG. 8, the first elastic hinge pins 121, the second elastic hinge pins 312 and the third elastic hinge pins 122 are each formed by an elastic piece in the middle and limiting pieces at two ends and are n-shaped on the whole; the elastic pieces of the first elastic hinge pins 121 are located in the fixing rods 12, and the limiting pieces of the first elastic hinge pins 121 penetrate through the fixing rods 12 and extend out of the fixing rods 12; the elastic pieces of the second elastic hinge pins 312 are located in the first support rods 31, and the limiting pieces of the second elastic hinge pins 312 penetrate through the first support rods 31 and extend out of the first support rods 31; the elastic pieces of the third elastic hinge pins 122 are located in the fixing rods 12, and the limiting pieces of the third elastic hinge pins 122 penetrate through the fixing rods 12 and extend out of the fixing rods 12.

[0048] Clamping grooves 212 are formed in the clamping blocks 21 and fit the fixing rods 12 in size. The clamping blocks 21 can be folded by means of the clamping grooves 212, and the third elastic hinge pins 122 can be clamped in the clamping and limiting holes 211 to attach the clamping blocks 21 to the fixing rods 12 to release the Christmas tree, and then the Christmas tree can be taken out.

[0049] The stand assembly 1 further comprises a fixing ring 13, and the fixing ring is fixedly connected to the fixing rods 12 and arranged at the tops of the fixing rods 12.

[0050] The support base is used as follows:

[0051] As shown in FIG. 10, the second support rods 32 are pulled downward until the second elastic hinge pins 312 on the first support rods 31 are clamped in the holes in the tops of the second support rods 32; then, the first support rods 31 are rotated to allow the first elastic hinge pins 121 on the fixing rods 12 to be clamped in the fixing holes above the first support rods 31; the base 11 is placed at an installation position, and at this moment, the bottoms of the second support rods 32 press against the ground to provide a support force for the stand assembly 1; the trunk of the

[0052] Christmas tree is inserted into the stand assembly 1, the fixing piece 111 on the base 11 is inserted into the bottom of the trunk of the Christmas tree and fixes the bottom of the trunk, and the clamping blocks 21 of the clamping assemblies 2 firmly clamp the trunk of the Christmas tree, such that the Christmas tree is installed on the support base.

[0053] When the Christmas tree needs to be detached, the clamping blocks 21 are pressed downward to allow the third elastic hinge pins 122 to be clamped in the clamping and limiting holes 211 to attach the clamping blocks 21 to the fixing rods 12, such that the Christmas tree is released and then taken out to be detached.

Embodiment 3

[0054] As shown in FIG. 11, based on Embodiment 2, the elastic elements 22 are springs. The springs provide an acting force for the clamping blocks 21 to clamp the trunk of the Christmas tree.

[0055] The above embodiments are merely preferred ones of the invention and are not intended to limit the scope of the invention. Various transformations and improvements made to the technical solutions of the invention by those ordinarily skilled in the art without departing from the design spirit of the invention should also fall within the protection scope defined by the claims of the invention.