ROTARY BRACKET SYSTEM

Abstract

An exemplary rotary bracket system includes at least one rotary bracket (10) and at least one anti-vibration system (20). The rotary bracket has a rotary shaft (12). The anti-vibration system includes at least one fixture member (21) and at least one shock-absorber assembly (23) connected to the at least one fixture member. The at least one fixture member fits around the rotary shaft of the at least one rotary bracket such that the rotary shaft is rotatable in the at least one fixture member.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

The components in the drawings are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of the present rotary bracket system. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views.

FIG. 1 is an isometric view of part of a rotary bracket system according to a preferred embodiment of the present invention.

FIG. 2 is an exploded view of the rotary bracket system shown in FIG. 1.

FIG. 3 is an enlarged view of one of shock-absorber assemblies of the rotary bracket system shown in FIG. 1.

FIG. 4 is an exploded, cutaway view of the shock-absorber assembly shown in FIG. 3.

Claims

1. A rotary bracket system, comprising: at least one rotary bracket including a rotary shaft; andat least one anti-vibration system, including at least one fixture member and at least one shock-absorber assembly connected to the at least one fixture member; wherein the at least one fixture member fits around the rotary shaft of the at least one rotary bracket such that the rotary shaft is rotatable in the at least one fixture member.

2. The rotary bracket system as claimed in claim 1, wherein the rotary bracket further includes a transmission wheel and a holding bracket, a first end of the rotary shaft is fixed to the transmission wheel, and an opposite second end of the rotary shaft is engaged with the holding bracket.

3. The rotary bracket system as claimed in claim 2, wherein the transmission wheel includes a retaining end, the retaining end has a central hole and at least one transverse gap, the first end of the rotary shaft has a first latching pin, and the first end of the rotary shaft is received into the central hole with the first latching pin retained in the transverse gap.

4. The rotary bracket system as claimed in claim 2, wherein the holding bracket includes a central shaft, and a plurality of retaining arms radially extending from the central shaft, the retaining arms is configured for holding workpieces.

5. The rotary bracket system as claimed in claim 4, wherein the central shaft has a column connection end, and an opposite sleeve-like connection end, the column connection end has a columnar portion and two U-shaped flange portions formed symmetrically around the columnar portion, and the sleeve-like connection end has two U-shaped openings symmetrically defined in a wall thereof.

6. The rotary bracket system as claimed in claim 1, wherein the at least one fixture member includes a main body and a bearing member, the main body has a through hole, and the bearing member is rotatably mounted to the main body in the through hole and fixed around the rotary shaft.

7. The rotary bracket system as claimed in claim 6, wherein the bearing member has two snap rings inserted therein, the rotary shaft has two annular grooves, and the bearing member is fixed around the rotary shaft with the snap rings being locked in the annular grooves.

8. The rotary bracket system as claimed in claim 6, wherein the main body has two pairs of flat connecting ears symmetrically formed on opposite sides of a peripheral surface thereof, and each pair of flat connecting ears defines a receiving space for receiving a corresponding end of the at least one shock-absorber assembly.

9. The rotary bracket system as claimed in claim 1, wherein the at least one shock-absorber assembly includes a resilient member, a first connection member, and a second connection member, the first connection member resists one end of the resilient member, the second connection member resists an opposite end of the resilient member, and at least one of the first connection member and the second connection member is configured to be connected with the at least one fixture member.

10. The rotary bracket system as claimed in claim 9, wherein the at least one shock-absorber assembly further includes a sleeve and a resilient member received in the sleeve, one end of the first connection member is movably received in the sleeve and resists the resilient member, an opposite end of the first connection member is configured to be connected with the at least one fixture member, one end of the second connection member is received in the sleeve and resists the resilient member, and an opposite end of the second connection member is fixed to the sleeve.

11. The rotary bracket system as claimed in claim 10, wherein the sleeve includes a partially enclosed end and an open end, the partially enclosed end has a through opening, and the sleeve further includes an internal thread adjacent to the open end.

12. The rotary bracket system as claimed in claim 11, wherein the first connection member includes a cylinder portion, a flattened shaft portion extending from one end of the cylinder portion, a stopper portion formed on an opposite end of the cylinder portion, and a protruding post extending from the stopper portion, the cylinder portion and flattened shaft portion protrude out of the sleeve at the through opening, the stopper portion and the protruding post are contained in the sleeve, and when the at least one shock-absorber assembly is in a normal state, the stopper portion resists the partially enclosed end.

13. The rotary bracket system as claimed in claim 11, wherein the second connection member includes a cylinder portion, a protruding post, and a deformed shaft, the cylinder portion has a peripheral surface including an unthreaded portion and an external thread portion, the protruding post extends from one end of the cylinder portion adjacent to the unthreaded portion, the deformed shaft extends from an opposite end of the cylinder portion adjacent to the external thread portion, the end of the cylinder portion at the protruding post resists the resilient member, and the external thread portion is engaged with the internal thread of the sleeve.

14. The rotary bracket system as claimed in claim 13, wherein the at least one shock-absorber assembly further includes a screw nut, one portion of the external thread portion of the cylinder portion is engaged with the internal thread of the sleeve, and the screw nut is engaged with another portion of the external thread portion of the cylinder portion.

15. The rotary bracket system as claimed in claim 10, wherein the resilient member is a coil spring.

16. A rotary bracket system, comprising: at least one rotary bracket including a rotary shaft; andat least one anti-vibration system connected with the rotary shaft, and configured to apply elastic force to the rotary shaft in the event of vibration of the rotary shaft such that the at least one anti-vibration system buffers the at least one rotary bracket.

17. The rotary bracket system as claimed in claim 16, wherein the rotary bracket further includes a transmission wheel and a holding bracket, a first end of the rotary shaft is fixed to the transmission wheel, and an opposite second end of the rotary shaft is engaged with the holding bracket.

18. The rotary bracket system as claimed in claim 16, wherein the anti-vibration system includes at least one fixture member and at least one shock-absorber assembly connected to the fixture member, the fixture member fits around the rotary shaft such that the rotary shaft is rotatable in the at least one fixture member.

19. The rotary bracket system as claimed in claim 18, wherein the at least one fixture member includes a main body and a bearing member, the main body has a through hole, and the bearing member is rotatably mounted to the main body in the through hole and fixed around the rotary shaft.

20. The rotary bracket system as claimed in claim 18, wherein the at least one shock-absorber assembly includes a resilient member, a first connection member, and a second connection member, the first connection member resists one end of the resilient member, the second connection member resists an opposite end of the resilient member, and at least one of the first connection member and the second connection member is configured to be connected with the at least one fixture member.