Folding background frame

Abstract

The utility model relates to the technical field of background frames, in particular to a folding background frame which comprises a first supporting frame, a second supporting frame is inserted in the front side of the first supporting frame, the top of the first supporting frame is rotationally connected with a first rotating seat, and the top of the first rotating seat is rotationally connected with a first storage sleeve. A second storage sleeve is rotated to drive a second movable rod and a connecting block to rotate, the connecting block drives a mounting shell, a bidirectional threaded rod, a movable shell, a baffle, a fixed plate, a lead screw and a pressing plate to rotate, the angle of the pressing plate is adjusted, and a curtain is taken down from the mounting shell. The two-way threaded rod is rotated to drive the movable shell to move up and down, the movable shell is stored in the mounting shell, the first movable rod and the connecting plate are detached, then the plug pin is pulled out of the second movable rod and the first movable rod, and then the first movable rod is inserted back into the first storage sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of background frames, in particular to a foldable background frame. Background Art

[0002] The background board rack is also called the background rack, which refers to the bracket used to hang the background board.

[0003] After searching, the announcement number is CN220252361U, and the name is a utility model of a studio photography background stand, including a horizontal stand. Through research and analysis, it is found that although it has the advantages of convenient and quick storage, it still has the following disadvantages to a certain extent.

[0004] For example, during use, the device can only place the background cloth vertically, and cannot adjust the inclination angle of the background cloth, which is not convenient for adjusting the device according to different environments and is not convenient for people to use normally. In order to solve the above technical problems, we have designed a foldable background stand. Utility Model Content

[0005] The purpose of the utility model is to provide a foldable background frame, which has the advantage of convenient adjustment and solves the problem that the device can only place the background cloth vertically during use, the inclination angle of the background cloth cannot be adjusted, the device is not convenient to adjust according to different environments, and it is not convenient for people to use normally.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a foldable background frame, comprising a first supporting frame, a second supporting frame is inserted into the front side of the first supporting frame, the top of the first supporting frame is rotatably connected to the first rotating seat, the top of the first rotating seat is rotatably connected to the first storage sleeve, the inner cavity of the first storage sleeve is slidably connected to the first movable rod, the top of the second supporting frame is rotatably connected to the second rotating seat, the inner cavity of the second rotating seat is rotatably connected to the second storage sleeve, the inner cavity of the second storage sleeve is slidably connected to the second movable rod, the top of the second movable rod is rotatably connected to the connecting block, a clamping mechanism is provided on the side opposite to the connecting block, the clamping mechanism comprises a mounting shell, a curtain is provided on the side opposite to the mounting shell, a mounting shell is welded to the rear side of the second movable rod, the surface of the second storage sleeve and the surface of the first storage sleeve are both provided with positioning mechanisms, and the top of the first movable rod is rotatably connected to the connecting plate.

[0007] Preferably, the opposite side of the connecting block is welded to the mounting shell, the inner cavity of the mounting shell is rotatably connected with a bidirectional threaded rod, the surface of the bidirectional threaded rod is threadedly sleeved with a movable shell, a baffle is welded on the opposite side of the movable shell, a fixed plate is welded on the surface of the movable shell, a screw rod is penetrated through the bottom of the fixed plate, and the top of the screw rod is rotatably connected with a pressure plate.

[0008] Preferably, the surface fixing sleeve of the bidirectional threaded rod is provided with a grip sleeve, the surface of the screw rod is threadedly connected to a fixing plate, and the bottom of the screw rod is connected to a first grip via bolts.

[0009] Preferably, the positioning mechanism includes a fixed shell, and opposite sides of the fixed shell are respectively welded to the second storage sleeve and the first storage sleeve, and a connecting threaded rod is provided through the surface of the fixed shell, and the opposite side of the connecting threaded rod is rotatably connected to a pin.

[0010] Preferably, the surface of the connecting threaded rod is connected with a second handle via bolts, and the surface of the connecting threaded rod is threadedly connected to the fixing shell.

[0011] Preferably, a mounting sleeve is welded to the rear side of the second support frame, a threaded sleeve is rotatably connected to the rear side of the mounting sleeve, a supporting threaded rod is penetrated through the rear side of the threaded sleeve, and a surface of the supporting threaded rod is threadedly connected to the mounting sleeve.

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

[0013] 1. The utility model drives the second movable rod and the connecting block to rotate by rotating the second receiving sleeve, drives the installation shell, the two-way threaded rod, the movable shell, the baffle, the fixed plate, the screw rod and the pressure plate to rotate by the connecting block, adjusts the angle of the pressure plate, drives the connecting block to move up and down by pulling the second movable rod, drives the installation shell, the two-way threaded rod, the movable shell, the baffle, the fixed plate, the screw rod and the pressure plate to move up and down by the connecting block, adjusts the height of the pressure plate, and after adjusting the appropriate position, prevents the curtain from being placed between the baffle and the pressure plate, and then rotates the screw rod to The movable pressure plate moves up and down, the curtain is clamped by the pressure plate and the baffle, the connecting threaded rod on the surface of the second storage sleeve is rotated to drive the latch to move horizontally, the latch is inserted into the second movable rod for positioning, the first movable rod is pulled up and down to adjust the extension length of the first movable rod, the connecting threaded rod on the surface of the first storage sleeve is rotated to drive the latch to move horizontally, the latch is inserted into the first movable rod for positioning, the first movable rod is connected to the connecting plate, and the second movable rod is supported by the first storage sleeve and the first movable rod;

[0014] 2. The utility model removes the curtain from between the installation shells, drives the movable shell to move up and down by rotating the bidirectional threaded rod, stores the movable shell in the installation shell, removes the first movable rod and the connecting plate, and then pulls the pins out from the second movable rod and the first movable rod respectively, and then inserts the first movable rod back into the first storage sleeve, and inserts the second movable rod back into the second storage sleeve, and then rotates the connecting block to drive the installation shell, the bidirectional threaded rod, the movable shell, the baffle, the fixing plate, the screw rod and the pressing plate to rotate, and rotates the installation shell, the bidirectional threaded rod, the movable shell, the baffle, the fixing plate, the screw rod and the pressing plate to one side of the second storage sleeve, and then folds the second storage sleeve and the first storage sleeve, and then rotates the threaded sleeve to drive the supporting threaded rod to move forward and backward, and drives the second support frame to move forward and backward through the installation sleeve, the threaded sleeve and the supporting threaded rod, and inserts the second support frame into the first support frame, and after the folding is completed, it is convenient to store the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the axonometric drawing of the structure of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the first support frame and the fixed shell of the utility model;

[0017] Figure 3 A three-dimensional diagram of the installation shell and the pressure plate of the utility model;

[0018] Figure 4 It is a three-dimensional diagram of the fixing shell and the latch of the utility model.

[0019] In the figure: 1. first support frame; 2. second support frame; 3. first rotating seat; 4. first storage sleeve; 5. first movable rod; 6. second rotating seat; 7. second storage sleeve; 8. second movable rod; 9. connecting block; 10. connecting plate; 11. mounting shell; 12. two-way threaded rod; 13. movable shell; 14. baffle; 15. fixing plate; 16. screw rod; 17. pressure plate; 18. curtain; 19. mounting sleeve; 20. threaded sleeve; 21. supporting threaded rod; 22. fixing shell; 23. connecting threaded rod; 24. latch; 25. clamping mechanism; 26. positioning mechanism. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 4A foldable background frame comprises a first supporting frame 1, a second supporting frame 2 is inserted on the front side of the first supporting frame 1, a first rotating seat 3 is rotatably connected to the top of the first supporting frame 1, a first storing sleeve 4 is rotatably connected to the top of the first storing sleeve 4, a first movable rod 5 is slidably connected to the inner cavity of the first storing sleeve 4, a second supporting frame 2 is rotatably connected to the second rotating seat 6, a second storing sleeve 7 is rotatably connected to the inner cavity of the second rotating seat 6, a second movable rod 8 is slidably connected to the inner cavity of the second storing sleeve 7, a connecting block 9 is rotatably connected to the top of the second movable rod 8, a clamping mechanism 25 is arranged on the opposite side of the connecting block 9, the clamping mechanism 25 comprises a mounting shell 11, a curtain 18 is arranged on the opposite side of the mounting shell 11, a mounting shell 11 is welded to the rear side of the second movable rod 8, a positioning mechanism 26 is arranged on the surface of the second storing sleeve 7 and the surface of the first storing sleeve 4, and the top of the first movable rod 5 is rotatably connected to the connecting plate 10.

[0021] See also Figure 1 and Figure 3 The opposite side of the connecting block 9 is welded to the mounting shell 11, and the inner cavity of the mounting shell 11 is rotatably connected with a bidirectional threaded rod 12, and a movable shell 13 is threadedly sleeved on the surface of the bidirectional threaded rod 12, and a baffle 14 is welded on the opposite side of the movable shell 13, and a fixing plate 15 is welded on the surface of the movable shell 13, and a screw rod 16 is penetrated through the bottom of the fixing plate 15, and a pressure plate 17 is rotatably connected to the top of the screw rod 16. By arranging the baffle 14, the fixing plate 15, the screw rod 16 and the pressure plate 17, the curtain 18 can be easily installed and positioned, and the curtain 18 can work normally.

[0022] See also Figure 3 The surface fixing sleeve of the bidirectional threaded rod 12 is provided with a grip sleeve, the surface of the screw rod 16 is threadedly connected to the fixing plate 15, and the bottom of the screw rod 16 is connected with a first grip by bolts. By setting the first grip, it is convenient for the staff to grasp the screw rod 16 and to rotate the screw rod 16.

[0023] See also Figure 1 and Figure 4 The positioning mechanism 26 includes a fixed shell 22, and the opposite sides of the fixed shell 22 are welded to the second storage sleeve 7 and the first storage sleeve 4 respectively. A connecting threaded rod 23 is provided through the surface of the fixed shell 22, and a latch 24 is rotatably connected to the opposite side of the connecting threaded rod 23. By providing the fixed shell 22, the connecting threaded rod 23 and the latch 24, the second movable rod 8 and the first movable rod 5 can be easily positioned, and the second movable rod 8 and the first movable rod 5 can be effectively prevented from moving.

[0024] See also Figure 4The surface of the connecting threaded rod 23 is connected with a second handle through bolts. By setting the second handle, it is convenient for the staff to grasp the connecting threaded rod 23 and to rotate the connecting threaded rod 23. The surface of the connecting threaded rod 23 is threadedly connected to the fixed shell 22.

[0025] See also Figure 1 A mounting sleeve 19 is welded to the rear side of the second support frame 2, and a threaded sleeve 20 is rotatably connected to the rear side of the mounting sleeve 19. A supporting threaded rod 21 is penetrated on the rear side of the threaded sleeve 20, and the surface of the supporting threaded rod 21 is threadedly connected to the mounting sleeve 19. By arranging the mounting sleeve 19, the threaded sleeve 20 and the supporting threaded rod 21, it is convenient to drive the first support frame 1 and the second support frame 2 to support, and it is convenient to position the first support frame 1 and the second support frame 2.

[0026] When in use, the second movable rod 8 and the connecting block 9 are driven to rotate by rotating the second storage sleeve 7, and the mounting shell 11, the two-way threaded rod 12, the movable shell 13, the baffle 14, the fixed plate 15, the screw 16 and the pressing plate 17 are driven to rotate by the connecting block 9 to adjust the angle of the pressing plate 17, and the connecting block 9 is driven to move up and down by pulling the second movable rod 8, and the mounting shell 11, the two-way threaded rod 12, the movable shell 13, the baffle 14, the fixed plate 15, the screw 16 and the pressing plate 17 are driven to move up and down by the connecting block 9 to adjust the height of the pressing plate 17. After adjusting the appropriate position, the curtain The cloth 18 is prevented from being between the baffle plate 14 and the pressure plate 17, and then the screw rod 16 is rotated to drive the pressure plate 17 to move up and down, and the cloth 18 is clamped by the pressure plate 17 and the baffle plate 14. The connecting threaded rod 23 on the surface of the second storage sleeve 7 is rotated to drive the latch 24 to move horizontally, and the latch 24 is inserted into the second movable rod 8 for positioning. The first movable rod 5 is pulled up and down to adjust the extension length of the first movable rod 5. The connecting threaded rod 23 on the surface of the first storage sleeve 4 is rotated to drive the latch 24 to move horizontally, and the latch 24 is inserted into the first movable rod 5 for positioning. The rod 5 is connected to the connecting plate 10, and the second movable rod 8 is supported by the first storage sleeve 4 and the first movable rod 5. The curtain 18 is removed from between the mounting shells 11, and the movable shell 13 is driven to move up and down by rotating the bidirectional threaded rod 12, and the movable shell 13 is received in the mounting shell 11, and the first movable rod 5 and the connecting plate 10 are removed, and then the latch 24 is pulled out from the second movable rod 8 and the first movable rod 5 respectively, and then the first movable rod 5 is inserted back into the first storage sleeve 4, and the second movable rod 8 is inserted back into the second storage sleeve 7, and then the connecting block 9 is rotated to drive the mounting shell 11 and the bidirectional threaded rod 1 2. The movable shell 13, the baffle 14, the fixed plate 15, the screw rod 16 and the pressure plate 17 are rotated, and the mounting shell 11, the bidirectional threaded rod 12, the movable shell 13, the baffle 14, the fixed plate 15, the screw rod 16 and the pressure plate 17 are rotated to one side of the second storage sleeve 7, and then the second storage sleeve 7 and the first storage sleeve 4 are folded, and then the threaded sleeve 20 is rotated to drive the supporting threaded rod 21 to move forward and backward, and the second support frame 2 is driven to move forward and backward through the mounting sleeve 19, the threaded sleeve 20 and the supporting threaded rod 21, and the second support frame 2 is inserted into the first support frame 1. After folding, it is convenient to store the device.

[0027] In summary: the foldable background frame, through the supporting threaded rod 21, the fixing shell 22, the connecting threaded rod 23, the latch 24, the clamping mechanism 25 and the positioning mechanism 26, solves the problem that the device can only place the background cloth vertically during use, the inclination angle of the background cloth cannot be adjusted, the device is not convenient to be adjusted according to different environments, and it is not convenient for people to use it normally.

Claims

1. A foldable background frame, comprising a first support frame (1), characterized in that: A second support frame (2) is inserted at the front side of the first support frame (1); the top of the first support frame (1) is rotatably connected to a first rotating seat (3); the top of the first rotating seat (3) is rotatably connected to a first storage sleeve (4); the inner cavity of the first storage sleeve (4) is slidably connected to a first movable rod (5); the top of the second support frame (2) is rotatably connected to a second rotating seat (6); the inner cavity of the second rotating seat (6) is rotatably connected to a second storage sleeve (7); the inner cavity of the second storage sleeve (7) is slidably connected to a second movable rod ( 8), the top of the second movable rod (8) is rotatably connected to a connecting block (9), a clamping mechanism (25) is provided on the side opposite to the connecting block (9), the clamping mechanism (25) comprises a mounting shell (11), a curtain (18) is provided on the side opposite to the mounting shell (11), the mounting shell (11) is welded to the rear side of the second movable rod (8), the surface of the second storage sleeve (7) and the surface of the first storage sleeve (4) are both provided with a positioning mechanism (26), and the top of the first movable rod (5) is rotatably connected to the connecting plate (10).

2. A foldable background frame according to claim 1, characterized in that: The opposite side of the connection block (9) is welded to the mounting shell (11); the inner cavity of the mounting shell (11) is rotatably connected to a bidirectional threaded rod (12); a movable shell (13) is threadedly sleeved on the surface of the bidirectional threaded rod (12); a baffle (14) is welded to the opposite side of the movable shell (13); a fixing plate (15) is welded to the surface of the movable shell (13); a screw rod (16) is penetrated through the bottom of the fixing plate (15); and a pressure plate (17) is rotatably connected to the top of the screw rod (16).

3. A foldable background frame according to claim 2, characterized in that: The surface fixing sleeve of the bidirectional threaded rod (12) is provided with a grip sleeve, the surface of the screw rod (16) is threadedly connected to the fixing plate (15), and the bottom of the screw rod (16) is connected to a first grip via a bolt.

4. The foldable background frame according to claim 1, characterized in that: The positioning mechanism (26) comprises a fixed shell (22), opposite sides of the fixed shell (22) being respectively welded to the second storage sleeve (7) and the first storage sleeve (4), a connecting threaded rod (23) being provided through the surface of the fixed shell (22), and a latch (24) being rotatably connected to the opposite side of the connecting threaded rod (23).

5. A foldable background frame according to claim 4, characterized in that: The surface of the connecting threaded rod (23) is connected to a second handle via a bolt, and the surface of the connecting threaded rod (23) is threadedly connected to the fixing shell (22).

6. The foldable background frame according to claim 1, characterized in that: A mounting sleeve (19) is welded to the rear side of the second support frame (2); a threaded sleeve (20) is rotatably connected to the rear side of the mounting sleeve (19); a supporting threaded rod (21) is provided through the rear side of the threaded sleeve (20); and a surface of the supporting threaded rod (21) is threadedly connected to the mounting sleeve (19).

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