Welding-free randomly-combined cutting type lamp box

Abstract

The invention relates to the technical field of lamp boxes, in particular to a welding-free randomly-combined cutting type lamp box which comprises a picture soft film, a backlight lamp film and a frame mechanism, the frame mechanism comprises four sets of profile corners, four sets of first profiles and even multiple sets of second profiles, and the frame mechanism is used for clamping installation of the picture soft film and the backlight lamp film; the insertion self-locking assemblies are connected to the moving end of the second sectional material and the two ends of the sectional material corner correspondingly, and the insertion self-locking assemblies are used for insertion assembling of the frame mechanism; and the LED lamp strip is mounted in the frame mechanism. Through the arrangement of the combined frame structure, the size of the frame structure can be flexibly adjusted, the size of the profile frame does not need to be adaptively cut off according to the size of the picture soft film, and therefore the adaptability and flexibility of use of the profile frame are improved.

Description

Technical Field

[0001] The invention relates to the technical field of light boxes, in particular to a welding-free, randomly assembled and cut light box. Background Art

[0002] Kabu light box is one of the commonly used light box styles. It is a light box composed of an aluminum profile frame, a high-brightness LED light bar and a soft film picture. It is also called a soft film light box or a profile light box. Kabu light box is usually used in indoor and outdoor occasions. It can be installed in a variety of ways such as hanging, standing or hoisting. The picture is convenient to change and easy to store.

[0003] However, when the existing card cloth light box is installed and positioned, the size of the profile frame needs to be customized according to the size of the matching soft film, so that it has a rectangular shape. The profile frame cannot be adaptively combined according to the process of soft films of different sizes, which greatly reduces the adaptability and flexibility of the profile frame. Therefore, it is urgent to design a welding-free and freely combined cutting light box to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a welding-free and freely assembled cut-type light box, so as to solve the problem proposed in the above background technology that the size of the profile frame needs to be customized according to the size of the matching soft film, so that it has a rectangular shape when used, and its profile frame cannot be adaptively combined according to the process of soft films of pictures of different sizes, which greatly reduces the adaptability and flexibility of the use of the profile frame.

[0005] To achieve the above object, the present invention provides the following technical solution: a welding-free, randomly assembled and cut-out light box, comprising:

[0006] A soft screen film, a backlight film and a frame mechanism, wherein the frame mechanism comprises four groups of profile corners, four groups of first profiles and an even-numbered group of second profiles, and the frame mechanism is used for the clamping installation of the soft screen film and the backlight film;

[0007] A plug-in self-locking component, which is respectively connected to the moving end of the second profile and the two ends of the profile corner, and is used for plug-in assembly of the frame mechanism;

[0008] LED light bar, the LED light bar is installed inside the frame mechanism, the LED light bar is used between the picture soft film and the backlight film, and the LED light bar is used for illuminating the picture soft film.

[0009] Preferably, a first card slot is provided above the corner of the profile, a second card slot is provided below the corner of the profile, a third card slot is provided above the first profile, a fourth card slot is provided below the first profile, a fifth card slot is provided above the second profile, and a sixth card slot is provided below the second profile, the second card slot, the fourth card slot and the sixth card slot are used for the snap-in installation of the backlight film, and the first card slot, the third card slot and the fifth card slot are used for the snap-in installation of the screen soft film.

[0010] Preferably, a first support plate is fixedly connected to the inner wall of the horizontal end of the first profile, and a second support plate is fixedly connected to the inner wall of the horizontal end of the second profile, and both the first support plate and the second support plate are used for installation and positioning of the LED light strip.

[0011] Preferably, a first plug-in slot is formed at the vertical end of the first profile, a second plug-in slot is formed at the horizontal end of the first profile, and the inner walls of the first plug-in slot and the second plug-in slot are fixedly connected to a limit baffle and a first ratchet plate, and a group of first ratchet plates are symmetrically arranged on both sides of each limit baffle.

[0012] Preferably, a third plug-in slot is formed at the vertical end of the second profile, and a fourth plug-in slot is formed at the horizontal end of the second profile, the inner walls of the third plug-in slot and the fourth plug-in slot are fixedly connected with a positioning block and a second ratchet plate, and the inner walls of the third plug-in slot and the fourth plug-in slot are slidably connected with a guide slide, and the guide slide is the movable end of the second profile.

[0013] Preferably, a guide through groove adapted to a positioning block is provided at the center of the guide slide, and a step groove is provided on the side of the guide slide close to the second ratchet plate, and the depth of the step groove is greater than the height of the second ratchet plate, and the sum of the length of the guide slide and the length of the plug-in self-locking assembly is equal to the length of the second profile.

[0014] Preferably, the plug-in self-locking components include plug-in columns, and the plug-in columns of each group of the plug-in self-locking components correspond to the ends of the guide slide and the two ends of the profile corners, respectively. The size of the plug-in columns is equal to the inner diameters of the third plug-in slot, the fourth plug-in slot, the first plug-in slot and the second plug-in slot, and two groups of plug-in self-locking components are connected to both ends of each profile corner, and two groups of plug-in self-locking components are connected to each second profile, and the plug-in self-locking components correspond to the third plug-in slot, the fourth plug-in slot, the first plug-in slot and the second plug-in slot, respectively.

[0015] Preferably, one end of the plug-in column away from the profile corner or the second profile is fixedly connected to a push rod and a positioning frame, a main shaft passes through the positioning frames, and a ratchet clip is hinged on the outside of the main shaft, a torsion spring is connected between the ratchet clip and the positioning frame, and the torsion spring is sleeved on the outside of the main shaft, a lever is fixedly connected to the outer wall of the ratchet clip, and the lever passes through the outside of the positioning frame, and the ratchet clip is used for the engagement and positioning of the first ratchet plate and the second ratchet plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The welding-free random combination cutting light box can flexibly adjust the size of the frame structure through the setting of the combined frame structure, and there is no need to adapt the size of the profile frame according to the size of the soft film of the picture, thereby improving its adaptability and flexibility in use. Even if the size of the soft film of the picture changes in the later stage of its use, the number of second profiles used in the frame mechanism can be changed through its combined structure, and the length and width of the frame mechanism can be flexibly adjusted, so that the adaptability adjustment of the size of the frame mechanism can be realized, which greatly improves the adaptability and flexibility of the use of the light box.

[0018] 2. The welding-free, randomly assembled and cut-to-length light box can realize the plug-in engagement of the first ratchet plate and the second ratchet plate inside the first profile and the second profile through the setting of the plug-in self-locking component, through the ratchet clamp connected by the torsion spring inside the positioning frame, and the rotational torque provided by the torsion spring makes the ratchet clamp and the first ratchet plate and the second ratchet plate be plugged and positioned, and the rotation setting of the ratchet clamp can realize the through insertion in the plug-in direction. When it is pulled out in the reverse direction, the first profile and the second profile, the first profile and the corner profile, and the second profile and the corner profile are engaged and positioned through the engagement of the ratchet clamp and the first ratchet plate or the second ratchet plate, thereby ensuring the stability and self-locking of the plug-in, and ensuring the stability and firmness of the splicing of the frame mechanism. At the same time, its combined structure makes docking simpler and more convenient, and facilitates the rapid disassembly and adjustment of the subsequent size, thereby greatly improving the flexibility of the light box. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall explosion structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 A is a schematic diagram of the enlarged structure of the middle part;

[0021] Figure 3 It is a schematic diagram of the overall appearance structure of the present invention;

[0022] Figure 4 It is a schematic diagram of the distribution structure of the framework mechanism of the present invention;

[0023] Figure 5 It is a partial cross-sectional structural schematic diagram of the frame mechanism of the present invention;

[0024] Figure 6 It is a schematic diagram of the second profile structure of the present invention;

[0025] Figure 7 It is a schematic diagram of the first profile structure of the present invention;

[0026] Figure 8 It is a schematic diagram of the profile corner structure of the present invention;

[0027] Fig. 9 It is a schematic diagram of the overall structure of the plug-in self-locking assembly of the present invention;

[0028] Fig.10 It is a schematic cross-sectional structural diagram of the plug-in self-locking assembly of the present invention in a plug-in state;

[0029] Fig.11 For the present invention Fig.10 Schematic diagram of the enlarged structure of B.

[0030] In the figure: 1. screen soft film; 2. backlight film; 3. profile corner; 31. first card slot; 32. second card slot; 4. first profile; 41. first plug-in slot; 42. second plug-in slot; 43. limit baffle; 44. first ratchet plate; 45. first support plate; 46. third card slot; 47. fourth card slot; 5. second profile; 51. third plug-in slot; 52. fourth plug-in slot; 53. positioning block; 54. guide slide; 55. second ratchet plate; 56. fifth card slot; 57. sixth card slot; 58. second support plate; 6. plug-in self-locking component; 61. plug-in column; 62. ejector rod; 63. positioning frame; 64. spindle; 65. ratchet card plate; 66. torsion spring; 67. lever; 7. LED light strip. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-11 , an embodiment provided by the present invention:

[0033] A welding-free, randomly assembled and cut-out light box, comprising:

[0034] A picture soft film 1, a backlight film 2 and a frame mechanism, the frame mechanism includes four groups of profile corners 3, four groups of first profiles 4 and an even-numbered group of second profiles 5, and the frame mechanism is used for the snap-fit ​​installation of the picture soft film 1 and the backlight film 2. By adjusting the number of second profiles 5 in the length and width directions, the size of the frame mechanism can be flexibly adjusted, so that light boxes of different sizes can be installed and used, and picture soft films 1 of different sizes can be effectively adapted for installation and positioning. Since the length and width of the picture soft film 1 and the backlight film 2 are both integer sizes and multiples of ten, the lengths of the first profile 4 and the second profile 5 are both set to ten centimeters, thereby greatly improving the adaptability and flexibility of the splicing size thereof, and the length of each side end of the profile corner 3 is five centimeters, so that the profile corners 3 on both sides can form ten centimeters after cooperating with each other;

[0035] The plug-in self-locking component 6 is respectively connected to the moving end of the second profile 5 and the two ends of the profile corner 3, and the plug-in self-locking component 6 is used for plug-in assembly of the frame mechanism. Through the setting of the plug-in self-locking component 6, the plug-in positioning between the profile corner 3 and the first profile 4, between the profile corner 3 and the second profile 5, and between the first profile 4 and the second profile 5 can be achieved. At the same time, through its plug-in self-locking, the stability and firmness of their mutual connection are ensured;

[0036] LED light bar 7, LED light bar 7 is installed inside the frame mechanism, LED light bar 7 is used between the screen soft film 1 and the backlight film 2, and LED light bar 7 is used for illuminating the screen soft film 1, LED light bar 7 is mainly used for illuminating the screen soft film 1, and LED light bar 7 can be adaptively cut to a length according to the size of the spliced ​​frame mechanism.

[0037] Further, a first card slot 31 is provided above the profile corner 3, a second card slot 32 is provided below the profile corner 3, a third card slot 46 is provided above the first profile 4, a fourth card slot 47 is provided below the first profile 4, a fifth card slot 56 is provided above the second profile 5, and a sixth card slot 57 is provided below the second profile 5. The second card slot 32, the fourth card slot 47 and the sixth card slot 57 are used for the card-engaging installation of the backlight film 2, and the first card slot 31, the third card slot 46 and the fifth card slot 56 are used for the card-engaging installation of the backlight film 2. The screen soft film 1 is engaged and installed, and the inner walls of the first card slot 31, the third card slot 46, the fifth card slot 56, the second card slot 32, the fourth card slot 47 and the sixth card slot 57 are all provided with anti-slip grooves. At the same time, the side where the screen soft film 1 and the backlight film 2 are engaged with the first card slot 31, the third card slot 46, the fifth card slot 56, the second card slot 32, the fourth card slot 47 and the sixth card slot 57 is provided with a rubber plug strip, so as to cooperate with the extrusion of the anti-slip grooves to ensure the stability of the engagement of the screen soft film 1 and the backlight film 2.

[0038] Furthermore, a first support plate 45 is fixedly connected to the inner wall of the horizontal end of the first profile 4, and a second support plate 58 is fixedly connected to the inner wall of the horizontal end of the second profile 5, and both the first support plate 45 and the second support plate 58 are used for the installation and positioning of the LED light strip 7. Through the internal extension of the first support plate 45 and the second support plate 58, the LED light strip 7 can be adapted for installation, and the LED light strip 7 is installed at the center line of the first profile 4 or the second profile 5, thereby ensuring the uniformity of its lighting and avoiding a large spacing between them, which affects the uniformity of its lighting.

[0039] Furthermore, a first plug-in groove 41 is formed at the vertical end of the first profile 4, and a second plug-in groove 42 is formed at the horizontal end of the first profile 4, and the inner walls of the first plug-in groove 41 and the second plug-in groove 42 are fixedly connected with a limit baffle 43 and a first ratchet plate 44, and a group of first ratchet plates 44 are symmetrically arranged on both sides of each limit baffle 43. The setting of the limit baffle 43 is used to abut and limit the push rod 62 when the self-locking component 6 is plugged in, thereby further improving the stability of the plug-in self-locking component 6.

[0040] Furthermore, a third plug-in slot 51 is provided at the vertical end of the second profile 5, and a fourth plug-in slot 52 is provided at the horizontal end of the second profile 5. The inner walls of the third plug-in slot 51 and the fourth plug-in slot 52 are fixedly connected with a positioning block 53 and a second ratchet plate 55, and the inner walls of the third plug-in slot 51 and the fourth plug-in slot 52 are slidably connected with a guide slide 54, which is the moving end of the second profile 5, and a guide through slot adapted to the positioning block 53 is provided at the center of the guide slide 54, and the guide slide 54 is close to the second ratchet plate 55. A step groove is provided on one side, and the depth of the step groove is greater than the height of the second ratchet plate 55. The sum of the length of the guide slide 54 and the length of the plug-in self-locking component 6 is equal to the length of the second profile 5. Through the sliding arrangement of the guide slide 54 and the positioning block 53, after the plug-in self-locking component 6 is plugged into the corresponding third plug-in groove 51 or the fourth plug-in groove 52, the guide slide 54 can be pushed, so that the plug-in self-locking component 6 at the other end of the guide slide 54 is pushed out, which is convenient for the subsequent plug-in installation of the second profile 5.

[0041] Furthermore, the plug-in self-locking component 6 includes a plug-in column 61, and the plug-in column 61 of each group of the plug-in self-locking components 6 corresponds to the end of the connecting guide slide 54 and the two ends of the profile corner 3, and the size of the plug-in column 61 is equal to the inner diameter size of the third plug-in slot 51, the fourth plug-in slot 52, the first plug-in slot 41 and the second plug-in slot 42, and two groups of plug-in self-locking components 6 are connected to both ends of each profile corner 3, and two groups of plug-in self-locking components 6 are connected to each second profile 5, and the plug-in self-locking components 6 correspond to the third plug-in slot 51, the fourth plug-in slot 52, the first plug-in slot 41 and the second plug-in slot 42, respectively. The first profile 4 is mainly distributed on both sides of the profile corner 3, and can realize the synchronous plug-in of the plug-in self-locking component 6 at the end of the second profile 5 and the plug-in self-locking component 6 at the end of the profile corner 3.

[0042] Furthermore, one end of the plug-in column 61 away from the profile corner 3 or the second profile 5 is fixedly connected to a push rod 62 and a positioning frame 63, a main shaft 64 passes through the positioning frame 63, and a ratchet clamp 65 is hinged on the outside of the main shaft 64, a torsion spring 66 is connected between the ratchet clamp 65 and the positioning frame 63, and the torsion spring 66 is sleeved on the outside of the main shaft 64, and a lever 67 is fixedly connected to the outer wall of the ratchet clamp 65, and the lever 67 passes through the outside of the positioning frame 63, the ratchet clamp 65 is used for the engagement and positioning of the first ratchet plate 44 and the second ratchet plate 55, and the ratchet clamp 65 can be pulled by pulling and toggling the lever 67, thereby releasing the engagement of the ratchet clamp 65 with the first ratchet plate 44 and the second ratchet plate 55, and the plug-in positioning of the plug-in self-locking component 6 can be released by pulling outward.

[0043] Working principle: The soft screen film 1, backlight film 2 and LED light strip 7 used in this application are all products that can be directly purchased on the market. Their principles and connection methods are all existing technologies well known to those skilled in the art, so they will not be repeated here. When the present invention is used, the frame mechanism is first installed and positioned, and the number of second profiles 5 is determined according to the size of the soft screen film 1 used, and then it is spliced ​​with the profile corner 3 and the first profile 4 into a rectangular structure. When the soft screen film 1 is one meter long, the long side of the second profile 5 is selected to be eight, and when the width is eighty centimeters, the number of wide sides of the second profile 5 is selected to be six, and then they are spliced ​​into a frame mechanism of suitable size. After further adaptive cutting of the LED light strip 7, it is installed inside the frame mechanism, and finally the soft screen film 1 and the backlight film 2 are snap-fitted and installed.

[0044] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A welding-free, randomly assembled and cut-out light box, characterized in that: include: A picture soft film (1), a backlight film (2) and a frame mechanism, wherein the frame mechanism comprises four groups of profile corners (3), four groups of first profiles (4) and an even-numbered group of second profiles (5), and the frame mechanism is used for the snap-fit ​​installation of the picture soft film (1) and the backlight film (2); A plug-in self-locking component (6), the plug-in self-locking component (6) is respectively connected to the moving end of the second profile (5) and the two ends of the profile corner (3), and the plug-in self-locking component (6) is used for plug-in assembly of the frame mechanism; An LED light bar (7) is installed inside the frame mechanism, the LED light bar (7) is used between the picture soft film (1) and the backlight film (2), and the LED light bar (7) is used to illuminate the picture soft film (1).

2. According to claim 1, the welding-free, randomly assembled and cut-out light box is characterized in that: A first card slot (31) is provided above the profile corner (3), a second card slot (32) is provided below the profile corner (3), a third card slot (46) is provided above the first profile (4), a fourth card slot (47) is provided below the first profile (4), a fifth card slot (56) is provided above the second profile (5), a sixth card slot (57) is provided below the second profile (5), the second card slot (32), the fourth card slot (47) and the sixth card slot (57) are used for the card-engaging installation of the backlight film (2), and the first card slot (31), the third card slot (46) and the fifth card slot (56) are used for the card-engaging installation of the screen soft film (1).

3. The welding-free, randomly assembled and cut-out light box according to claim 2, characterized in that: A first support plate (45) is fixedly connected to the inner wall of the horizontal end of the first profile (4), and a second support plate (58) is fixedly connected to the inner wall of the horizontal end of the second profile (5), and both the first support plate (45) and the second support plate (58) are used for installing and positioning the LED light strip (7).

4. The welding-free, randomly assembled and cut-out light box according to claim 1, characterized in that: A first plugging groove (41) is formed at the vertical end of the first profile (4), a second plugging groove (42) is formed at the horizontal end of the first profile (4), and the inner walls of the first plugging groove (41) and the second plugging groove (42) are fixedly connected to a limit baffle (43) and a first ratchet plate (44), and a group of first ratchet plates (44) are symmetrically arranged on both sides of each limit baffle (43).

5. The welding-free, randomly assembled and cut-out light box according to claim 4, characterized in that: A third plugging groove (51) is provided at the vertical end of the second profile (5), and a fourth plugging groove (52) is provided at the horizontal end of the second profile (5). The inner walls of the third plugging groove (51) and the fourth plugging groove (52) are fixedly connected with a positioning block (53) and a second ratchet plate (55), and the inner walls of the third plugging groove (51) and the fourth plugging groove (52) are slidably connected with a guide slide (54), and the guide slide (54) is the movable end of the second profile (5).

6. The welding-free, randomly assembled and cut-out light box according to claim 5, characterized in that: A guide through groove adapted to the positioning block (53) is provided at the center of the guide slide plate (54), and a step groove is provided on one side of the guide slide plate (54) close to the second ratchet plate (55), and the depth of the step groove is greater than the height of the second ratchet plate (55), and the sum of the length of the guide slide plate (54) and the length of the plug-in self-locking component (6) is equal to the length of the second profile (5).

7. The welding-free, randomly assembled and cut-out light box according to claim 5, characterized in that: The plug-in self-locking component (6) comprises a plug-in column (61), and the plug-in column (61) of each group of the plug-in self-locking components (6) corresponds to the end of the guide slide plate (54) and the two ends of the profile corner (3), respectively. The size of the plug-in column (61) is equal to the inner diameter size of the third plug-in slot (51), the fourth plug-in slot (52), the first plug-in slot (41) and the second plug-in slot (42), and two groups of plug-in self-locking components (6) are connected to the two ends of each profile corner (3), and two groups of plug-in self-locking components (6) are connected to each second profile (5), and the plug-in self-locking components (6) correspond to the third plug-in slot (51), the fourth plug-in slot (52), the first plug-in slot (41) and the second plug-in slot (42) respectively.

8. The welding-free, randomly assembled and cut-out light box according to claim 7, characterized in that: The end of the plug-in column (61) away from the profile corner (3) or the second profile (5) is fixedly connected to a push rod (62) and a positioning frame (63); a main shaft (64) runs through the positioning frame (63); and a ratchet clamp (65) is hinged on the outside of the main shaft (64); a torsion spring (66) is connected between the ratchet clamp (65) and the positioning frame (63); and the torsion spring (66) is sleeved on the outside of the main shaft (64); the outer wall of the ratchet clamp (65) is fixedly connected to a lever (67), and the lever (67) runs through the outside of the positioning frame (63); and the ratchet clamp (65) is used for the engagement and positioning of the first ratchet plate (44) and the second ratchet plate (55).

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