CN211084010U

CN211084010U - Rotatable fixed bolster for stage lighting

Info

Publication number: CN211084010U
Application number: CN201922260186.5U
Authority: CN
Inventors: 赵国秀; 赵治寒; 赵奕涵; 赵禹涵; 赵芃涵
Original assignee: Tianjin Black Horse Culture Development Co ltd
Current assignee: Tianjin Black Horse Culture Development Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-24
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a rotatable fixed bracket for stage lighting, which comprises a fixed column, a bracket is fixedly connected with one side above the middle part of the fixed column, a bearing is arranged at the upper end of the fixed column, a disc is arranged in the inner space of the bearing, a groove is arranged in the middle of the outer side wall of the disc, a plurality of balls are arranged in the groove, corresponding sliding grooves are arranged on the inner side wall of the bearing, a fixed disc is arranged below the bearing, a plurality of limiting holes are sequentially arranged in the outer side wall of the fixed disc, a round iron plate is arranged at the upper end of the bearing, a fixed block is fixedly connected at the joint of the round iron plate and the outer side of the bearing, one end of the fixed block is rotatably connected with a rotating handle, the middle part of the upper end of the round iron plate is fixedly connected with a supporting rod, and the top end of the supporting rod is fixedly connected with a cross rod. The utility model discloses simple structure can realize the rotation of stage lighting support to it is fixed to exert.

Description

Rotatable fixed bolster for stage lighting

Technical Field

The utility model relates to a rotatory fixing device field especially relates to a stage lighting is with rotatable fixed bolster.

Background

Stage lighting is also called "stage lighting", one of the stage art molding means, and the light support is a support of fixed bolster, and the light height can only be adjusted to current light support for current light support has following shortcoming: current light support is when fixing light, and it is inconvenient to adjust light angle for when carrying out stage lighting, unable fine adjust the illumination according to the stage needs, can't present different angle light, for this reason, the utility model provides a stage lighting support solves the above-mentioned problem of proposing with this with adjustable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rotatable fixing bracket for stage lighting.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a rotatable fixing support for stage lighting comprises a fixing column, a support is fixedly connected to one side above the middle of the fixing column, a bearing is arranged at the upper end of the fixing column, a disc is arranged in the inner side space of the bearing, a groove is formed in the middle of the outer side wall of the disc, a plurality of balls are placed in the groove, a corresponding sliding groove is formed in the inner side wall of the bearing, the outer spherical surface of each ball is in sliding contact with the corresponding sliding groove, a fixing disc is arranged below the bearing, the inner side wall of the fixing disc is fixedly connected with the outer side wall of the fixing column, a plurality of limiting holes are sequentially formed in the outer side wall of the fixing disc, a circular iron plate is arranged at the upper end of the bearing, the outer side of the bottom end of the circular iron plate is fixedly connected with the upper end of the bearing, one end of the fixing block is rotatably connected with a rotating handle, the middle part of the upper end of the circular iron plate is fixedly connected with a supporting rod, and the top end of the supporting rod is fixedly connected with a cross rod.

As a further description of the above technical solution:

sliding contact has the metal fixed block between the ball, equidistance between the ball.

As a further description of the above technical solution:

the thickness of the bearing is greater than that of the disc.

As a further description of the above technical solution:

the length of the rotating handle is larger than the distance from the fixed block to the bottom end of the fixed disc.

As a further description of the above technical solution:

the rotating handle is made of rubber.

As a further description of the above technical solution:

the diameter of the rotating handle is slightly smaller than that of the limiting hole.

As a further description of the above technical solution:

the bearing, the disc and the ball are all made of high-carbon chromium steel.

As a further description of the above technical solution:

the fixed column, the supporting rod, the cross rod and the support are all made of aluminum alloy materials.

As a further description of the above technical solution:

the round iron plate, the fixed disc and the fixed block are all made of low-carbon steel.

The utility model discloses following beneficial effect has:

the utility model discloses a set up structural component such as bearing, disc, ball and recess, can realize the rotation of branch and horizontal pole.

The utility model discloses a set up circular iron plate, fixed disk, fixed block and rotated structural component such as handle, can realize the rotation of branch through rotating the handle, then will rotate the handle and press into spacing downthehole, can realize the fixed of branch.

Drawings

Fig. 1 is a front view of a rotatable fixing bracket for stage lighting according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a top view of the fixing disc of the rotatable fixing bracket for stage lighting according to the present invention.

Illustration of the drawings:

1. fixing a column; 2. a strut; 3. a cross bar; 4. a support; 5. fixing the disc; 6. a bearing; 7. a circular iron plate; 8. a disc; 9. a limiting hole; 10. a groove; 11. a fixed block; 12. rotating the handle; 13. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a rotatable fixing support for stage lighting comprises a fixing column 1, a supporting bearing 6, a disc 8, a fixing disc 5, a support rod 2 and other structural components, wherein a support 4 is fixedly connected to one side above the middle of the fixing column 1, the bearing 6 is arranged at the upper end of the fixing column 1, the disc 8 is arranged in the inner side space of the bearing 6, a groove 10 is formed in the middle of the outer side wall of the disc 8, a plurality of balls 13 are placed in the groove 10, corresponding sliding grooves are formed in the inner side wall of the bearing 6, the outer side spherical surface of each ball 13 is in sliding contact with the corresponding sliding groove, rotation of the bearing 6 relative to the disc 8 is realized, rotation of the support rod 2 is realized through a circular iron plate 7, the fixing disc 5 is arranged below the bearing 6, the inner side wall of the fixing disc 5 is fixedly connected with the outer side wall of the fixing column 1, can be with the rigidity of branch 2, the upper end of bearing 6 is equipped with circular iron plate 7, the bottom outside of circular iron plate 7 and the upper end fixed connection of bearing 6, circular iron plate 7 equals with the diameter of bearing 6, the outside junction fixedly connected with fixed block 11 of circular iron plate 7 and bearing 6, the one end of fixed block 11 is rotated and is connected with rotation handle 12, the upper end middle part fixedly connected with branch 2 of circular iron plate 7, the top fixedly connected with horizontal pole 3 of branch 2.

The balls 13 are in sliding contact with metal fixing blocks, the balls 13 are equidistant, and friction loss between components is reduced. The thickness of the bearing 6 is larger than that of the disc 8, so that friction between the circular iron plate 7 and the bearing 6 is avoided. The length of the rotating handle 12 is larger than the distance from the fixed block 11 to the bottom end of the fixed disc 5, so that the bottom end of the rotating handle 12 can be completely pressed into the limiting hole 9. The rotating handle 12 is made of rubber materials, so that the rotating handle 12 can be easily pressed into the limiting hole 9. The diameter of the rotating handle 12 is slightly smaller than that of the limiting hole 9, so that the rotating handle 12 can be pressed into the limiting hole 9. The bearing 6, the disc 8 and the ball 13 are all made of high-carbon chromium steel, so that the high hardness and the wear resistance of the bearing 6, the disc 8 and the ball 13 are ensured. Fixed column 1, branch 2, horizontal pole 3 and support 4 all adopt the aluminum alloy material, ensure that the quality of device is lighter. The round iron plate 7, the fixed plate 5 and the fixed block 11 are all made of low-carbon steel, and the manufacturing process of the components is reduced.

The working principle is as follows: firstly, the device is placed on a stage, a lamp is fixedly installed on a cross rod 3, according to the light effect required by stage performance, a rotating handle 12 is held, the rotating handle 12 is pushed to rotate around a supporting rod 2, the rotating handle 12 drives a fixing block 11 to move together, the fixing block 11 drives a circular iron plate 7 and a bearing 6 to move together, a chute of the inner side wall of the bearing 6 slides around a ball 13, the ball 13 rolls in a groove 10, finally, in-situ rotation of the supporting rod 2 is realized, the supporting rod 2 drives the cross rod 3 to rotate around the supporting rod 2, after the angle of the light effect is adjusted, the bottom end of the rotating handle 12 is pressed into a limiting hole 9 below, the supporting rod 2 can be fixed, and the accidental rotation of the supporting rod is prevented.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a stage lighting is with rotatable fixed bolster, includes fixed column (1), its characterized in that: a support (4) is fixedly connected to one side above the middle part of the fixed column (1), a bearing (6) is arranged at the upper end of the fixed column (1), a disc (8) is arranged in the inner side space of the bearing (6), a groove (10) is formed in the middle part of the outer side wall of the disc (8), a plurality of balls (13) are placed in the groove (10), a corresponding chute is formed in the inner side wall of the bearing (6), the outer side spherical surface of the balls (13) is in sliding contact with the chute, a fixed disc (5) is arranged below the bearing (6), the inner side wall of the fixed disc (5) is fixedly connected with the outer side wall of the fixed column (1), a plurality of limiting holes (9) are sequentially formed in the outer side wall of the fixed disc (5), a circular iron plate (7) is arranged at the upper end of the bearing (6), the outer side of the bottom end of the, the diameter of circular iron plate (7) and bearing (6) is equal, the outside junction fixedly connected with fixed block (11) of circular iron plate (7) and bearing (6), the one end of fixed block (11) is rotated and is connected with rotation handle (12), the upper end middle part fixedly connected with branch (2) of circular iron plate (7), the top fixedly connected with horizontal pole (3) of branch (2).

2. A stage lighting rotatable fixing bracket as set forth in claim 1, wherein: sliding contact has the metal fixed block between ball (13), equidistance between ball (13).

3. A stage lighting rotatable fixing bracket as set forth in claim 1, wherein: the thickness of the bearing (6) is larger than that of the disc (8).

4. A stage lighting rotatable fixing bracket as set forth in claim 1, wherein: the length of the rotating handle (12) is larger than the distance from the fixed block (11) to the bottom end of the fixed disc (5).

5. A stage lighting rotatable fixing bracket as set forth in claim 1, wherein: the rotating handle (12) is made of rubber.

6. A stage lighting rotatable fixing bracket as set forth in claim 1, wherein: the diameter of the rotating handle (12) is slightly smaller than that of the limiting hole (9).

7. A stage lighting rotatable fixing bracket as set forth in claim 1, wherein: the bearing (6), the disc (8) and the ball (13) are all made of high-carbon chromium steel.

8. A stage lighting rotatable fixing bracket as set forth in claim 1, wherein: the fixing column (1), the supporting rod (2), the cross rod (3) and the support (4) are all made of aluminum alloy materials.

9. A stage lighting rotatable fixing bracket as set forth in claim 1, wherein: the round iron plate (7), the fixed plate (5) and the fixed block (11) are all made of low-carbon steel.