Support stand with intermediate connecting assembly

1. A support stand, comprising:

a base;

a connecting assembly comprising a connecting bracket and a connecting plate partially received in the connecting bracket;

a support bracket;

at least one first hinge assembly connecting the base, one end of the connecting bracket, and one end of the connecting plate; and

at least one second hinge assembly connecting the support bracket, another end of the connecting bracket, and another end of the connecting plate;

wherein the at least one first hinge assembly comprises at least one spacer and at least two connecting pins arranged on two sides of the at least one spacer, and the at least two connecting pins and the at least one spacer connect the connecting plate and the connecting bracket to the base.

2. The support stand of claim 1 , wherein the at least one second hinge assembly comprises at least one spacer and at least two connecting pins arranged on two sides of the at least one spacer, and the at least two connecting pins and the at least one spacer connect the connecting plate and the connecting bracket to the support bracket.

3. The support stand of claim 2 , wherein the one end of the connecting plate comprises a first support arm connecting with one of the connecting pins of the at least one first hinge assembly, and the one end of the connecting bracket comprises a first connecting arm connecting with another one of the connecting pins of the at least one first hinge assembly.

4. The support stand of claim 3 , wherein the another end of the connecting plate comprises a second support arm connecting with one of the connecting pins of the at least one second hinge assembly, and the another end of the connecting bracket comprises a second connecting arm connecting with another one of the connecting pins of the at least one second hinge assembly.

5. The support stand of claim 4 , wherein the connecting plate further comprises a main body, and the first support arm and the second support arm are arranged on opposite sides of the main body.

6. The support stand of claim 5 , wherein the connecting bracket further comprises a base body and two sidewalls on opposite sides of the base body, and the first connecting arm and the second connecting arm are formed at opposite ends of one of the sidewalls.

7. The support stand of claim 6 , wherein the at least one first hinge assembly further comprises a first shaft, the first shaft comprises a first shaft portion, a first head formed at an end of the first shaft portion, and a first threaded portion formed at another end of the first shaft portion, the at least one spacer of the at least one first hinge assembly defines a first shaft hole and two first connecting holes arranged at opposite sides of the first shaft hole, the base comprises a support plate and at least one connecting portion connected to the support plate, the at least one connecting portion defines a connecting hole, the first shaft extends through the connecting hole of the at least one connecting portion and the first shaft hole, the first threaded portion engages with a first fastener, and the two connecting pins of the at least one first hinge assembly engage in the two first connecting holes.

8. The support stand of claim 7 , wherein the at least one second hinge assembly further comprises a second shaft, the second shaft comprises a second shaft portion, a second head formed at an end of the second shaft portion, and a second threaded portion formed at another end of the second shaft portion, the at least one spacer of the at least one second hinge assembly defines a second shaft hole and two second connecting holes arranged at opposite sides of the second shaft hole, the support bracket comprises a fixing plate and at least one fixing arm connected to the fixing plate, the at least one fixing arm defines a connecting hole, the second shaft extends through the connecting hole of the at least one fixing arm and the second shaft hole, the second threaded portion engages with a second fastener, and the two connecting pins of the at least one second hinge assembly engage in the two second connecting holes.

9. The support stand of claim 1 , wherein the at least one first hinge assembly comprises two first hinge assemblies, one of which further comprises a torsion spring, and one end of the torsion spring resists the base, and the other end of the torsion spring is between the connecting plate and the connecting bracket.

10. The support stand of claim 1 , wherein the at least one first hinge assembly further comprises a first shaft, and the first shaft comprises a shaft portion and a head formed at an end of the shaft portion.

11. The support stand of claim 10 , wherein the at least one second hinge assembly further comprises a second shaft, and the second shaft comprises a shaft portion and a head formed at an end of the shaft portion.

12. A support stand, comprising:

a base;

a connecting assembly;

a support bracket;

at least one first hinge assembly connecting the base and the connecting assembly; and

at least one second hinge assembly connecting the connecting assembly and the support bracket;

wherein the connecting assembly comprises a connecting bracket and a connecting plate partially received in the connecting bracket; and the connecting plate and the connecting bracket support the support bracket; and

the at least one first hinge assembly comprises at least one spacer and at least two connecting pins arranged on two sides of the at least one spacer; and the at least two connecting pins and the at least one spacer connect the connecting plate and the connecting bracket to the base.

13. The support stand of claim 12 , wherein the at least one second hinge assembly comprises at least one spacer and at least two connecting pins arranged on two sides of the at least one spacer, and the at least two connecting pins and the at least one spacer connect the connecting plate and the connecting bracket to the support bracket.

14. The support stand of claim 13 , wherein the one end of the connecting plate comprises a first support arm connecting with one of the connecting pins of the at least one first hinge assembly, and the one end of the connecting bracket comprises a first connecting arm connecting with another one of the connecting pins of the at least one first hinge assembly.

15. The support stand of claim 14 , wherein the another end of the connecting plate comprises a second support arm connecting with one of the connecting pins of the at least one second hinge assembly, and the another end of the connecting bracket comprises a second connecting arm connecting with another one of the connecting pins of the at least one second hinge assembly.

16. The support stand of claim 15 , wherein the connecting plate further comprises a main body, and the first support arm and the second support arm are arranged on opposite sides of the main body.

17. The support stand of claim 16 , wherein the connecting bracket further comprises a base body and two sidewalls on opposite sides of the base body, wherein and the first connecting arm and the second connecting arm are formed at opposite ends of one of the sidewalls.

18. The support stand of claim 17 , wherein the at least one first hinge assembly further comprises a first shaft, the first shaft comprises a first shaft portion, a first head formed at an end of the first shaft portion, and a first threaded portion formed at another end of the first shaft portion, the at least one spacer of the at least one first hinge assembly defines a first shaft hole and two first connecting holes arranged at opposite sides of the first shaft hole, the base comprises a support plate and at least one connecting portion connected to the support plate, the at least one connecting portion defines a connecting hole, the first shaft extends through the connecting hole of the at least one connecting portion and the first shaft hole, the first threaded portion engages with a first fastener, and the two connecting pins of the at least one first hinge assembly engage in the two first connecting holes.

19. The support stand of claim 18 , wherein the at least one second hinge assembly further comprises a second shaft, the second shaft comprises a second shaft portion, a second head formed at an end of the second shaft portion, and a second threaded portion formed at another end of the second shaft portion, the at least one spacer of the at least one second hinge assembly defines a second shaft hole and two second connecting holes arranged at opposite sides of the second shaft hole, the support bracket comprises a fixing plate and at least one fixing arm connected to the fixing plate, the at least one fixing arm defines a connecting hole, the second shaft extends through the connecting hole of the at least one fixing arm and the second shaft hole, the second threaded portion engages with a second fastener, and the two connecting pins of the at least one second hinge assembly engage in the two second connecting holes.

20. The support stand of claim 12 , wherein the at least one first hinge assembly comprises two first hinge assemblies, one of which further comprises a torsion spring, and one end of the torsion spring resists the base, and the other end of the torsion spring is between the connecting plate and the connecting bracket.