CN220790745U - Stage is built from centering chuck - Google Patents

Abstract

The utility model discloses a stage construction self-centering chuck, which comprises: the screw is movably connected to the inside of the base, the supporting plate is fixedly connected to the upper surface of the base, the sliding groove is formed in the supporting plate, the clamping jaw is movably connected to the inside of the sliding groove, the clamping block is movably connected to the upper surface of the clamping jaw, the rubber block is fixedly connected to the side surface of the clamping block, the through hole is formed in the inside of the supporting plate, the lower surface of the base is fixedly connected with the supporting plate, and the lower surface of the supporting plate is movably connected with the clamping jaw; the outer machine case and screw rod swing joint, the screw rod extends to the surface of outer machine case, the inside fixedly connected with connecting rod of screw rod, the one end fixedly connected with carousel of screw rod is kept away from to the connecting rod, is provided with the handle on the carousel, has realized through above-mentioned structure that chucking effect is better, simple structure, and convenient dismantlement maintenance, protection chuck, the advantage that the use degree of difficulty reduces.

Description

A self-centering chuck for stage construction

Technical Field

The utility model relates to the technical field of self-centering chucks, in particular to a self-centering chuck for stage construction.

Background technique

At present, in terms of stage construction, especially the construction of outdoor performance stages, it is necessary to use a variety of steel frame structures for construction and connection to form a stable stage construction structure, provide a better performance platform for performers, and also provide a better viewing experience for the audience. However, the existing stage construction steel frame uses a large number of parts, the construction process is more troublesome, and the stage construction efficiency is low; in addition, the existing stage construction steel frame structure usually has the problem of poor stability, which makes the stage prone to collapse during the performance, causing serious impact on the life safety of performers. For example, a Chinese patent discloses "a stage platform construction composite component", and its application number is "CN201821944188.5", including a sleeve, a tray base, four stage boards and a plug-in component. The key point is that a stud socket is provided on the side wall of the sleeve, and the upper end of the sleeve is fixedly provided with a tray base on the lower end surface, the stage board is fixedly provided in the platform support frame, and a steel plate is fixedly provided at the lower end of the stage board, and the four sides of the steel plate are respectively fixedly connected to the platform support frame. The plug-in component includes a fixing pin and a fixing pin slot. The fixing pin is a T-shaped structure, and its upper end is a circular chuck. The fixing pin is arranged on the upper end surface of the tray base, and the lower end of the fixing pin is fixedly connected to the upper end surface of the tray base. The fixing pin slot is a circular chuck slot, and the circular chuck slot is recessed on the four corners of the table support frame. A fixing pin column slot is recessed at the lower end of the circular chuck slot at the corner of the table support frame. However, the above device still has the following problems: the chuck has a poor clamping effect, a low supporting effect, and is easy to damage the column. The chuck is difficult to disassemble and repair, the chuck is not protected, and the force or energy required during operation is large.

Utility Model Content

The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a self-centering chuck for stage construction. Through the combination of a clamping block, a rubber block and a clamping claw, the workpiece is protected and damage to the workpiece caused by the clamping claw is avoided. Through the combination of an outer shell and an outer chassis, the chuck is protected. Through the combination of a handle, a screw, a connecting rod and a turntable, the chuck can be quickly operated and the force required for clamping is greatly reduced. The overall movable connection is adopted to facilitate the disassembly and maintenance of the chuck.

The utility model also provides the above-mentioned self-centering chuck for stage construction, comprising: a base, a screw rod movably connected inside the base, a support plate fixedly connected to the upper surface of the base, a slide groove is arranged inside the support plate, a clamping claw is movably connected inside the slide groove, a clamping block is movably connected to the upper surface of the clamping claw, a rubber block is fixedly connected to the side surface of the clamping block, a through hole is arranged inside the support plate, the lower surface of the base is fixedly connected to the support plate, and the lower surface of the support plate is movably connected to the clamping claw; an outer case, the outer case is movably connected to the screw rod, the screw rod extends to the outer surface of the outer case, a connecting rod is fixedly connected inside the screw rod, and a turntable is fixedly connected to one end of the connecting rod away from the screw rod, and a handle is arranged on the turntable. Through the above device, the advantages of better clamping effect, simple structure, convenient disassembly and maintenance, protection of the chuck and reduced difficulty of use are achieved.

According to the self-centering chuck for stage construction described in the utility model, the outer surface of the base is fixedly connected to a shell, and the screw extends to the outer surface of the shell. Through the above device, the device is protected without hindering the normal use of the device.

According to the self-centering chuck for stage construction described in the utility model, the shell is movably connected to the claw, and the support plate is fixedly connected to the shell. Through the above devices, multi-layer support is achieved, so that the claw can work better.

According to the self-centering chuck for stage construction described in the utility model, a support column is movably connected inside the through hole, and the support column is movably connected to the claw. Through the above device, the claw can work accurately, which facilitates the self-inspection of the device.

According to the self-centering chuck for stage construction described in the utility model, the support column is movably connected to the base, and the support column is movably connected to the clamping block. Through the above devices, the position of the workpiece is fixed and restricted, so that the clamping effect is better.

According to the self-centering chuck for stage construction described in the utility model, the screw rod is movably connected to the claw, and the outer chassis is movably connected to the shell. Through the above devices, the chuck is protected and the claw works normally.

According to the self-centering chuck for stage construction described in the utility model, the support plate is movably connected to the support column. Through the above device, the support column is limited, which can increase the accuracy during work.

According to the self-centering chuck for stage construction described in the utility model, the side surface of the clamping block is fixedly connected to the limiting block, and the limiting block is movably connected to the supporting column. Through the above device, the effect of limiting the position of the workpiece is achieved.

Beneficial Effects

1. Compared with the prior art, the stage-building self-centering chuck protects the workpiece through the combination of the clamping block, the rubber block and the claw, avoids the damage of the workpiece caused by the claw, and protects the chuck through the combination of the outer shell and the outer chassis.

2. Compared with the existing technology, the self-centering chuck for stage construction realizes rapid chuck operation through the combination of handle, screw, connecting rod and turntable, and greatly reduces the force required for clamping. The overall movable connection is adopted to facilitate the disassembly and maintenance of the chuck.

BRIEF DESCRIPTION OF THE DRAWINGS

The utility model is further described below in conjunction with the accompanying drawings and embodiments;

FIG1 is an overall structural diagram of the utility model stage building self-centering chuck;

FIG2 is a structural diagram of the utility model of the stage building self-centering chuck without the outer shell;

FIG3 is a horizontal cross-sectional view of the self-centering chuck for stage construction according to the utility model;

FIG. 4 is a vertical cross-sectional view of the self-centering chuck for stage construction of the present invention.

illustration:

1. Screw; 2. Base; 3. Support plate; 4. Slide; 5. Support column; 6. Handle; 7. Claw; 8. Shell; 9. Through hole; 10. Rubber block; 11. Connecting rod; 12. Clamping block; 13. External chassis; 14. Turntable.

Detailed ways

This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

1-4, the utility model embodiment of a stage construction self-centering chuck includes: a base 2, the base 2 is internally movably connected with a screw 1, the screw 1 is limited by the above structure, the upper surface of the base 2 is fixedly connected with a support plate 3, the support plate 3 is provided with a stable support by the above structure, the support plate 3 is provided with a slide groove 4 inside, the claw 7 can slide by the above structure, the claw 7 is movably connected with the slide groove 4, the claw 7 is limited by the above structure, and the upper surface of the claw 7 is movably connected with The clamping block 12 uses the above structure to make the clamping force of the claw 7 higher. The side surface of the clamping block 12 is fixedly connected with a rubber block 10. The above structure protects the workpiece. The support plate 3 is provided with a through hole 9. The above structure makes the position accuracy of the workpiece more accurate. The through hole 9 is movably connected with a support column 5. The above structure limits the support column 5. The lower surface of the base 2 is fixedly connected to the support plate 3. The lower surface of the support plate 3 is movably connected to the claw 7. The above structure provides support for the claw 7.

The outer case 13 is movably connected with the screw 1, and the screw 1 extends to the outer surface of the outer case 13. Through the above structure, the operation of the screw 1 is not hindered. The screw 1 is fixedly connected with a connecting rod 11 inside. Through the above structure, the connecting rod 11 guides the force to the screw 1. The end of the connecting rod 11 away from the screw 1 is fixedly connected with a turntable 14. Through the above structure, the turntable 14 is limited. A handle 6 is provided on the turntable 14. Through the above structure, the rotation of the turntable 14 is controlled. The screw 1 extends to the outer surface of the outer shell 8. Through the above device, the screw 1 is connected with the connecting rod 11. The screw 1 is movably connected with the claw 7. Through the above structure, the claw 7 works. The outer case 13 is movably connected with the outer shell 8. Through the above structure, the chuck is easy to disassemble and repair.

The outer surface of the base 2 is fixedly connected with a shell 8, and the shell 8 is limited by the above device. The shell 8 is movably connected to the claw 7. The above device provides support for the claw 7. The support plate 3 is fixedly connected to the shell 8. The above device makes the device more stable. The support column 5 is movably connected to the claw 7. The working range of the claw 7 is limited by the above device. The support column 5 is movably connected to the base 2. The support column 5 is movably connected to the clamping block 12. The support column 5 is limited by the above device. The support plate 3 is movably connected to the support column 5. The chuck can detect itself by itself. The side surface of the clamping block 12 is fixedly connected to the limiting block. The movable range of the clamping block 12 is limited by the above structure. The limiting block is movably connected to the support column 5. The range of the support column 5 is limited by the above structure.

Working principle: During use, the handle 6 is used to control the turntable 14 to rotate, so that the connecting rod 11 located inside the screw 1 rotates, thereby driving the rotation of the screw 1. The rotation of the screw 1 causes the claw 7 to work. At the same time, the claw 7 located on the lower surface is synchronously clamped, and the support column 5 located inside the through hole 9 can detect the clamping effect. When the work is completed, the turntable 14 is rotated by the handle 6 to control the loosening of the chuck.

The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims (8)

1. A stage-set-up self-centering chuck, comprising: the base (2), the inside swing joint of base (2) has screw rod (1), the upper surface fixedly connected with backup pad (3) of base (2), the inside of backup pad (3) is provided with spout (4), the inside swing joint of spout (4) has jack catch (7), the upper surface swing joint of jack catch (7) has clamp block (12), the side surface fixedly connected with rubber block (10) of clamp block (12), the inside of backup pad (3) is provided with through-hole (9), the lower surface of base (2) and backup pad (3) fixed connection, the lower surface and the jack catch (7) swing joint of backup pad (3).

The novel multifunctional electric screw machine comprises an outer machine box (13), wherein the outer machine box (13) is movably connected with a screw rod (1), the screw rod (1) extends to the outer surface of the outer machine box (13), a connecting rod (11) is fixedly connected inside the screw rod (1), one end, far away from the screw rod (1), of the connecting rod (11) is fixedly connected with a rotary table (14), and a handle (6) is arranged on the rotary table (14).

2. Stage building self-centering chuck according to claim 1, characterized in that the outer surface of the base (2) is fixedly connected with a housing (8), the screw (1) extending to the outer surface of the housing (8).

3. Stage building self-centering chuck according to claim 2, characterized in that the housing (8) is movably connected with the jaws (7), and the support plate (3) is fixedly connected with the housing (8).

4. Stage building self-centering chuck according to claim 1, characterized in that the through hole (9) is internally and movably connected with a support column (5), and the support column (5) is movably connected with a claw (7).

5. Stage building self-centering chuck according to claim 4, characterized in that the support column (5) is movably connected with the base (2), the support column (5) being movably connected with the clamping block (12).

6. Stage building self-centering chuck according to claim 1, characterized in that the screw (1) is movably connected with the jaws (7), and the outer casing (13) is movably connected with the housing (8).

7. Stage building self-centering chuck according to claim 1, characterized in that the support plate (3) is movably connected with the support column (5).

8. Stage building self-centering chuck according to claim 1, characterized in that the side surface of the clamping block (12) is fixedly connected with a limiting block, which is movably connected with the support column (5).