Portable background frame for photography

Abstract

The utility model relates to the technical field of photography auxiliary equipment, in particular to a portable background frame for photography, which comprises a fixed rod, two ends of the fixed rod are movably connected with movable cylinders respectively, the bottom ends of the other ends of the two movable cylinders are fixedly connected with telescopic rods, the upper end surfaces of the two movable cylinders are fixedly connected with sliding rods, and the sliding rods are fixedly connected with the fixed rod. The outer walls of the two sliding rods are slidably connected with pressing plates, the two movable barrels can slide on the outer walls of the fixed rods in a telescopic mode, and therefore the overall width of the background frame is adjusted, the overall height of the background frame can be adjusted through the telescopic rods, adjustment is convenient, the background frame can adapt to background cloth of different sizes, universality is high, use is more convenient, and the elastic force of springs is utilized. The pressing plate is firmly abutted against the movable cylinder, so that the background cloth is firmly fixed, then the lower end of the background cloth bypasses the lower ends of the two guide columns, is folded upwards and is clamped and fixed through the fixing clamp, so that the background cloth is flatly fixed on the background frame, the installation is convenient and rapid, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of photography auxiliary equipment, in particular to a portable background stand for photography. Background Art

[0002] Photography refers to the process of recording images using some special equipment. Generally, we use mechanical cameras or digital cameras to take photos. Sometimes photography is also called taking pictures, which is the process of exposing photosensitive media to light emitted or reflected by objects;

[0003] During film and television shooting, it is often necessary to lay out background cloth to show different backgrounds in order to save shooting costs;

[0004] The existing background frame structure is fixed, which is not convenient to adjust according to the width and height of the background cloth, and is not convenient to move to different positions for shooting, and is inconvenient to use. Utility Model Content

[0005] The utility model aims to provide a portable background stand for photography, which is easy to adjust so as to adapt to background cloths of different sizes, has strong versatility and is more convenient to use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable background stand for photography, comprising a fixed rod, wherein both ends of the fixed rod are movably connected with movable tubes, the other ends of the two movable tubes are fixedly connected with telescopic rods at their bottom ends, the upper end surfaces of the two movable tubes are fixedly connected with sliding rods, the outer walls of the two sliding rods are slidably connected with pressure plates, the top ends of the sliding rods are fixedly connected with limiting plates, a spring sleeved on the outer wall of the sliding rod is arranged between the pressure plate and the limiting plate, the two telescopic rods are rotatably connected with guide columns at the lower parts on opposite sides, cross bars fixedly connected to the outer walls of the telescopic rods are arranged above the two guide columns, and fixing clamps are arranged at the lower ends of the two cross bars.

[0007] In order to facilitate folding and storing the equipment, as a preferred portable background stand for photography of the utility model, the fixing rod includes two short rods, the two short rods are movably connected by a movable axle pin, and the outer wall of the fixing rod is slidably connected to the limiting cylinder.

[0008] In order to facilitate the movement of the equipment, as a preferred portable background stand for photography of the utility model, the bottom end of the telescopic rod is fixedly connected to a plurality of support rods, the bottom ends of the plurality of support rods are fixedly connected to a support plate, and the lower end surface of the support plate is equipped with a plurality of universal wheels.

[0009] In order to lock and fix the telescopic rod and the movable tube, as a preferred portable background stand for photography of the utility model, the outer wall of the telescopic rod is threadedly connected with a fixing bolt, and the outer walls of the two movable tubes are threadedly connected with locking bolts.

[0010] In order to facilitate the clamping and fixing of the background cloth, as a preferred embodiment of the portable background stand for photography of the utility model, the cross section of the pressing plate is an arc-shaped structure.

[0011] In order to pull the pressing plate, as a preferred embodiment of the portable background stand for photography of the utility model, a pull ring is fixedly connected to the upper end surface of the pressing plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The two movable cylinders can be telescopically slid on the outer wall of the fixed rod, so as to adjust the overall width of the background frame. The overall height of the background frame can be adjusted through the telescopic rod. The adjustment is convenient so as to adapt to background cloths of different sizes. It has strong versatility and is more convenient to use. When fixing the background cloth, after the width and height are adjusted, the top of the background cloth is respectively clamped under the two pressing plates, and the elastic force of the spring is used to make the pressing plates and the movable cylinders firmly contact, so that the background cloth is firmly fixed. Then, the lower end of the background cloth is passed around the lower ends of the two guide pillars, and then folded back upwards and clamped and fixed by the fixing clip, so that the background cloth is flatly fixed on the background frame. It is convenient and quick to install and easy to use.

[0014] The fixing rod can be folded through the movable shaft pin, so that the entire background frame can be folded and reduced, which is convenient for carrying and storage and easy to use. In normal use, it is only necessary to slide the limit tube to the outer wall of the movable shaft pin to limit the folding of the fixing rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the overall structure diagram of the utility model;

[0016] Figure 2 For this utility model Figure 1 The enlarged structural diagram of part a in the middle;

[0017] Figure 3 For this utility model Figure 1 The enlarged structural diagram of part b in the middle;

[0018] Figure 4 This is a side structural diagram of the pressing plate of the utility model;

[0019] Figure 5 This is a schematic diagram of the installation state of the background cloth of the utility model.

[0020] In the figure: 1. fixed rod; 2. movable cylinder; 3. telescopic rod; 4. sliding rod; 5. pressure plate; 6. limit plate; 7. spring; 8. pull ring; 9. guide column; 10. cross bar; 11. fixed clamp; 12. short rod; 13. movable axle pin; 14. limit cylinder; 15. support rod; 16. support plate; 17. universal wheel; 18. fixing bolt; 19. locking bolt. DETAILED DESCRIPTION

[0021] See also Figures 1 to 5 A portable background stand for photography comprises a fixed rod 1, both ends of the fixed rod 1 are movably connected with movable tubes 2, the other ends of the two movable tubes 2 are fixedly connected with telescopic rods 3, the upper end surfaces of the two movable tubes 2 are fixedly connected with sliding rods 4, the outer walls of the two sliding rods 4 are slidably connected with pressure plates 5, the top of the sliding rod 4 is fixedly connected with a limiting plate 6, a spring 7 sleeved on the outer wall of the sliding rod 4 is arranged between the pressure plate 5 and the limiting plate 6, the two telescopic rods 3 are rotatably connected with guide columns 9 at the lower parts of the opposite sides, the two guide columns 9 are provided with cross bars 10 fixedly connected to the outer wall of the telescopic rod 3, and the lower ends of the two cross bars 10 are provided with fixing clamps 11.

[0022] In this embodiment: the two movable cylinders 2 can be telescopically slid on the outer wall of the fixed rod 1, so as to adjust the overall width of the background frame. The overall height of the background frame can be adjusted by the telescopic rod 3. The adjustment is convenient so as to adapt to background cloths of different sizes. It has strong versatility and is more convenient to use. When fixing the background cloth, after the width and height are adjusted, the top of the background cloth is respectively clamped under the two pressing plates 5, and the elastic force of the spring 7 is used to make the pressing plate 5 and the movable cylinder 2 firmly abut, so that the background cloth is firmly fixed. Then the lower end of the background cloth is passed around the lower ends of the two guide columns 9, and then folded upward and clamped and fixed by the fixing clip 11, so that the background cloth is flatly fixed on the background frame. The installation is convenient and quick, and it is easy to use.

[0023] As a technical optimization solution of the utility model, the fixed rod 1 includes two short rods 12, the two short rods 12 are movably connected by a movable shaft pin 13, and the outer wall of the fixed rod 1 is slidably connected to the limiting cylinder 14.

[0024] In this embodiment, the fixed rod 1 can be folded through the movable shaft pin 13, so that the entire background frame can be folded and reduced, which is convenient for carrying and storage and easy to use. In normal use, it is only necessary to slide the limiting cylinder 14 to the outer wall of the movable shaft pin 13 to limit the folding of the fixed rod 1.

[0025] As a technical optimization solution of the utility model, the bottom end of the telescopic rod 3 is fixedly connected to a plurality of support rods 15 , the bottom ends of the plurality of support rods 15 are fixedly connected to a support plate 16 , and a plurality of universal wheels 17 are installed on the lower end surface of the support plate 16 .

[0026] In this embodiment, the support rod 15 and the support plate 16 fix and support the device as a whole, thereby improving stability, and the plurality of universal wheels 17 make the device more convenient to move, thus saving time and effort.

[0027] As a technical optimization solution of the present invention, the outer wall of the telescopic rod 3 is threadedly connected with a fixing bolt 18, and the outer walls of the two movable cylinders 2 are both threadedly connected with a locking bolt 19.

[0028] In this embodiment: the fixing bolt 18 and the locking bolt 19 respectively lock and fix the telescopic rod 3 and the movable cylinder 2, so as to facilitate fixing after the height and width are adjusted.

[0029] As a technical optimization solution of the present utility model, the cross section of the pressing plate 5 is an arc-shaped structure.

[0030] In this embodiment, the cross section of the pressing plate 5 is an arc-shaped structure, which matches the outer wall of the movable tube 2, so that the background cloth can be clamped and fixed better.

[0031] As a technical optimization solution of the present utility model, a pull ring 8 is fixedly connected to the upper end surface of the pressing plate 5 .

[0032] In this embodiment: a pull ring 8 is fixedly connected to the upper end surface of the pressing plate 5, and the pull ring 8 is used to facilitate pulling the pressing plate 5 upward.

[0033] Working principle: the two movable tubes 2 can be telescopically slid on the outer wall of the fixed rod 1, so as to adjust the overall width of the background frame. The overall height of the background frame can be adjusted by the telescopic rod 3. The adjustment is convenient so as to adapt to background cloths of different sizes. It has strong versatility and is more convenient to use. When fixing the background cloth, after the width and height are adjusted, the top of the background cloth is respectively clamped under the two pressing plates 5, and the elastic force of the spring 7 is used to make the pressing plate 5 and the movable tube 2 firmly contact, so as to fix the background cloth firmly. Then, the lower end of the background cloth is passed around the lower ends of the two guide columns 9, and then folded upward and clamped and fixed by the fixing clip 11, so that the background cloth is flatly fixed on the background frame. It is convenient and quick to install and easy to use.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable background stand for photography, comprising a fixing rod (1), characterized in that: The two ends of the fixed rod (1) are movably connected to movable cylinders (2), the other ends of the two movable cylinders (2) are fixedly connected to telescopic rods (3), the upper end surfaces of the two movable cylinders (2) are fixedly connected to sliding rods (4), the outer walls of the two sliding rods (4) are slidably connected to pressure plates (5), the top ends of the sliding rods (4) are fixedly connected to limit plates (6), a spring (7) sleeved on the outer wall of the sliding rod (4) is arranged between the pressure plate (5) and the limit plate (6), the two telescopic rods (3) are rotatably connected to the lower sides thereof on opposite sides, a cross bar (10) fixedly connected to the outer wall of the telescopic rod (3) is arranged above the two guide bars (9), and the lower ends of the two cross bars (10) are provided with fixing clamps (11).

2. A portable background stand for photography according to claim 1, characterized in that: The fixing rod (1) comprises two short rods (12), the two short rods (12) are movably connected via a movable shaft pin (13), and the outer wall of the fixing rod (1) is slidably connected to a limiting cylinder (14).

3. A portable background stand for photography according to claim 1, characterized in that: The bottom end of the telescopic rod (3) is fixedly connected to a plurality of support rods (15), the bottom ends of the plurality of support rods (15) are fixedly connected to a support plate (16), and the lower end surface of the support plate (16) is equipped with a plurality of universal wheels (17).

4. The portable background stand for photography according to claim 1, characterized in that: The outer wall of the telescopic rod (3) is threadedly connected with a fixing bolt (18), and the outer walls of the two movable cylinders (2) are both threadedly connected with locking bolts (19).

5. The portable background stand for photography according to claim 1, characterized in that: The cross section of the pressing plate (5) is an arc-shaped structure.

6. The portable background stand for photography according to claim 1, characterized in that: A pull ring (8) is fixedly connected to the upper end surface of the pressing plate (5).

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