Image matting device without blue box
By designing a blue box-free clamping device, using a hollow main bracket and a blue curtain to achieve video clamping production, solving the problem of high cost and inconvenient movement of blue boxes, realizing low-cost and convenient video clamping production and device mobile storage .
Patent Information
- Application Number
- CN202421258230.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-06-04
AI Technical Summary
In the prior art, video clamping production through blue boxes has problems such as high cost, inconvenient movement and poor use.
A blue box-free pinching device is designed, including a hollow main bracket, a blue curtain and a hollow secondary bracket. Video shooting and pinching are achieved by unfolding or rolling the blue curtain, and the device is convenient for collection and delivery.
It realizes video clamping production without blue boxes, reduces costs, simplifies operation, and facilitates the mobile and storage of devices, which is suitable for the use of small and medium-sized TV stations.
Smart Images
Figure CN222482580U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of virtual studios, and in particular relates to a blue box-free matting device. Background Art
[0002] The blue box is a digital studio where the floor and walls of the shooting area are painted blue. The host feels like being put into a big blue box. In post-production, all blue colors in the image can be blocked. Scenes, props, etc. can be made on the computer and then combined with the host to make a finished video. It is widely used in virtual studios and film and television production.
[0003] However, there are some shortcomings in using the blue box for video matting: the cost of setting up and renting the blue box is high, and the blue box is usually fixed in place, making it inconvenient to carry and move. For some small-scale shooting, the cost of manpower and material resources is high and it wastes time. It is also a considerable expense for some small and medium-sized TV stations and is not well used.
[0004] Therefore, the utility model proposes an auxiliary device for video matting production which does not require the use of a blue box. Utility Model Content
[0005] In order to solve the above problems existing in the prior art, the utility model provides a blue box-free matting device, which has the characteristics of no need for a blue box, low cost, simple and convenient operation, and easy to fold and unfold, and easy to carry and move.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blue box-free matting device, comprising a hollow main support, a blue curtain and a hollow auxiliary support, wherein a core shaft is arranged inside the hollow main support, a reel is integrally connected to the periphery of the outside of the core shaft, a blue curtain is wound around the periphery of the outside of the reel, a linear slot is opened on the left side of the hollow main support and the left side of the blue curtain passes outward from the linear slot, a strip end plate is bonded and connected to the left side of the blue curtain, clamping holes are opened at both upper and lower ends of the strip end plate, openings are opened at both upper and lower ends of the hollow main support, a support bearing is fixedly connected to the inside of the opening, and the upper and lower ends of the core shaft are fixedly connected to the inner wall of the support bearing;
[0007] The bottom end of the core shaft is fixedly connected with a small gear, the right side of the bottom end of the hollow main bracket is fixedly connected with a sleeve, the inside of the sleeve is fixedly connected with a connecting bearing, the inner side of the connecting bearing is fixedly connected with a rotating rod, the upper end of the connecting bearing is fixedly connected with a hand wheel, the bottom end of the rotating rod is fixedly connected with a large gear, and the large gear is meshed with the small gear;
[0008] A hollow auxiliary bracket is arranged on the left side of the hollow main bracket, and the upper and lower ends of the right side of the hollow auxiliary bracket are fixedly connected with a clamping shaft, and the bottom ends of the hollow main bracket and the hollow auxiliary bracket are fixedly connected with a bottom bracket.
[0009] As a preferred technical solution of the blue box-free matting device of the utility model, a plurality of anti-slip vertical strips are integrally formed around the outer wall of the hand wheel.
[0010] As a preferred technical solution of the blue box-free matting device of the utility model, the clamping shaft is an "L"-shaped structure.
[0011] As a preferred technical solution of the blue box-free matting device of the utility model, a support pad is bonded and connected to the bottom end of the bottom bracket, and the support pad is a rubber component.
[0012] As a preferred technical solution of the blue box-free matting device of the utility model, the length of the hollow main bracket is equal to the length of the hollow auxiliary bracket.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The utility model is mainly composed of a hollow auxiliary bracket and a hollow main bracket with a blue curtain rolled up inside;
[0015] When in use, place the hollow auxiliary bracket on one side of the hollow main bracket, and pull out the blue curtain in the hollow main bracket and connect it to the hollow auxiliary bracket. The unfolded blue curtain can be used for video shooting and keying production. No blue box is required, the cost of use is low, the use is simple and convenient, and the extension length of the blue curtain is adjustable.
[0016] After use, the blue curtain can be stored in the hollow main bracket, which can reduce the space occupied by the device, facilitate the storage and transportation of the device, and is simple and convenient to operate and better to use, so as to facilitate the use of video matting production. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the blue curtain in the hollow main support of the utility model when it is pulled out;
[0020] Figure 3 This is a schematic diagram of the structure of the hollow main support and the bottom support of the utility model;
[0021] Figure 4 This is a schematic diagram of the hollow main support structure of the utility model;
[0022] Figure 5 This is a schematic diagram of the cross-sectional structure of the hollow main support of the utility model;
[0023] Figure 6 for Figure 5 A schematic diagram of the enlarged structure at point A;
[0024] Figure 7 for Figure 5 A schematic diagram of the enlarged structure at B;
[0025] Figure 8 This is a schematic diagram of the hollow auxiliary bracket structure of the utility model.
[0026] In the figure: 1. Hollow main bracket; 2. Mandrel; 3. Scroll; 4. Blue curtain; 5. Opening; 6. Support bearing; 7. Small gear; 8. Bushing; 9. Connecting bearing; 10. Turning rod; 11. Handwheel; 12. Large gear; 13. Linear slot; 14. Strip end plate; 15. Clamping hole; 16. Hollow auxiliary bracket; 17. Clamping shaft; 18. Bottom bracket; 19. Support pad. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example
[0028] See also Figure 1-8The utility model provides the following technical solutions: a blue box-free matting device, comprising a hollow main support 1, a blue curtain 4 and a hollow auxiliary support 16, a core shaft 2 is arranged inside the hollow main support 1, a reel 3 is integrally connected to the outside of the core shaft 2, a blue curtain 4 is wound around the outside of the reel 3, a linear slot 13 is opened on the left side of the hollow main support 1 and the left side of the blue curtain 4 passes outward from the linear slot 13, a strip end plate 14 is bonded and connected to the left side of the blue curtain 4, and a clamping hole 15 is opened at both the upper and lower ends of the strip end plate 14, an opening 5 is opened at both the upper and lower ends of the hollow main support 1, and the inside of the opening 5 is fixedly connected with Support bearing 6, and the upper and lower ends of the core shaft 2 are fixedly connected to the inner wall of the support bearing 6, wherein the innermost circle layer of the blue curtain 4 is bonded and connected to the reel 3, and the support bearing 6 is used for the rotation support of the upper and lower ends of the core shaft 2, and the support bearing 6 is divided into a bearing outer ring and a bearing inner ring, and a plurality of balls are arranged between the bearing outer ring and the bearing inner ring, which are not specifically shown in the figure, and the outer wall of the bearing outer ring is fixedly connected to the inner wall of the opening 5, and the inner wall of the bearing inner ring is fixedly connected to the outer wall of the core shaft 2, and the connection method is the most commonly used welding between metals, and the support bearing 6 is used for the rotation support of the upper and lower ends of the core shaft 2, and the structure and use of the bearing are existing well-known technologies;
[0029] Reference Figure 3 , Figure 4 , Figure 5 and Figure 7 As shown, further, a pinion 7 is fixedly connected to the bottom end of the core shaft 2, a sleeve 8 is fixedly connected to the right side of the bottom end of the hollow main bracket 1, a connecting bearing 9 is fixedly connected to the inside of the sleeve 8, a rotating rod 10 is fixedly connected to the inner side of the connecting bearing 9, a hand wheel 11 is fixedly connected to the upper end of the connecting bearing 9, a plurality of anti-slip vertical bars are integrally formed around the outer wall of the hand wheel 11, a large gear 12 is fixedly connected to the bottom end of the rotating rod 10, and the large gear 12 is meshed with the pinion 7, wherein the sleeve 8 is used for further setting of the structure of the large gear 12, the connecting bearing 9 is divided into a bearing outer ring and a bearing inner ring, and a plurality of balls are arranged between the bearing outer ring and the bearing inner ring, as shown in the figure Not specifically shown, the outer wall of the bearing outer ring is fixedly connected to the inner wall of the shaft sleeve 8, and the inner wall of the bearing inner ring is fixedly connected to the outer wall of the rotating rod 10. The connection method is the most commonly used welding between metals. The connecting bearing 9 is used for the rotational connection between the rotating rod 10 and the shaft sleeve 8. The structure and use of the bearing are existing well-known technologies. The rotating rod 10 and the hand wheel 11 with anti-slip vertical bars are used to control the rotation of the large gear 12. The rotating large gear 12 can drive the small gear 7 and the core shaft 2 and the reel 3 to rotate, thereby completing the winding of the blue curtain 4. The blue curtain 4 is stored in the hollow main bracket 1, which can reduce the space occupied by the device and facilitate its storage and transportation.
[0030] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 8 As shown, further, a hollow sub-bracket 16 is arranged on the left side of the hollow main bracket 1, the length of the hollow main bracket 1 is equal to the length of the hollow sub-bracket 16, and the upper and lower ends of the right side of the hollow sub-bracket 16 are fixedly connected with a clamping shaft 17, and the clamping shaft 17 is an "L"-shaped structure, and the bottom ends of the hollow main bracket 1 and the hollow sub-bracket 16 are fixedly connected with a bottom bracket 18, and the bottom end of the bottom bracket 18 is bonded and connected with a support pad 19, and the support pad 19 is a rubber component, wherein, the clamping hole 15 on the strip end plate 14 is sleeved on the outside of the clamping shaft 17 on the hollow sub-bracket 16 to complete the connection between the blue curtain 4 and the hollow sub-bracket 16, and the bottom bracket 18 with the support pad 19 can be used for stable support of the bottom of the hollow main bracket 1 and the hollow sub-bracket 16.
[0031] In this embodiment, the utility model is mainly composed of a hollow auxiliary support 16 and a hollow main support 1 with a blue curtain 4 rolled up inside;
[0032] When in use, the hollow auxiliary bracket 16 is placed on one side of the hollow main bracket 1, and the blue curtain 4 in the hollow main bracket 1 is pulled out and connected to the hollow auxiliary bracket 16. The unfolded blue curtain 4 is used for video shooting and matte production, without the need for a blue box, with low cost, simple and convenient use, and the blue curtain 4 has an adjustable length;
[0033] After use, the blue curtain 4 can be stored in the hollow main support 1, which can reduce the space occupied by the device, facilitate the storage and transportation of the device, and is simple and convenient to operate and better to use, so as to facilitate the use of video matting production.
[0034] The use process and working principle of the utility model are as follows: when in use, the hollow main bracket 1 is placed in a suitable position, the hollow auxiliary bracket 16 is placed in a suitable position on one side of the hollow main bracket 1, and then the blue curtain 4 is pulled from the linear slot 13 through the strip end plate 14 to the side direction close to the hollow auxiliary bracket 16. In this process, the winding and unwinding of the blue curtain 4 drives the reel 3 and the core shaft 2 to rotate together, and the upper and lower ends of the core shaft 2 are both supported and rotated by the support bearings 6 in the opening 5. Then, the clamping hole 15 on the strip end plate 14 is sleeved on the outside of the clamping shaft 17 on the hollow auxiliary bracket 16 to complete the connection between the blue curtain 4 and the hollow auxiliary bracket 16, and then the setting up of the blue curtain 4 is completed, and then the corresponding operations such as video shooting and cutout processing are performed, wherein all blue in the image can be shielded in post-production, and scenes, props, etc. can be made in the computer, and then synthesized with the anchor to make a completed video. The curtain cutout shooting is an existing well-known technology, which will not be described in detail here.
[0035] After use, the hollow auxiliary bracket 16 can be removed from the clamping shaft 17, and then one person drives the rotating rod 10 and the large gear 12 to rotate through the hand wheel 11. The rotating large gear 12 can drive the small gear 7, the core shaft 2 and the reel 3 to rotate, thereby completing the winding of the blue curtain 4. The blue curtain 4 is stored in the hollow main bracket 1, which can reduce the space occupied by the device and facilitate its folding, unfolding and transportation.
[0036] In addition, the contents not described in detail in this embodiment are all prior art and common knowledge.
[0037] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A blue box-free matting device, characterized in that: The invention comprises a hollow main support (1), a blue curtain (4) and a hollow auxiliary support (16), wherein a core shaft (2) is arranged inside the hollow main support (1), a reel (3) is integrally connected to the periphery of the outside of the core shaft (2), a blue curtain (4) is wound around the periphery of the outside of the reel (3), a linear slot (13) is provided on the left side of the hollow main support (1) and the left side of the blue curtain (4) passes outward from the linear slot (13), a strip end plate (14) is bonded to the left side of the blue curtain (4), a clamping hole (15) is provided at both the upper and lower ends of the strip end plate (14), an opening (5) is provided at both the upper and lower ends of the hollow main support (1), a support bearing (6) is fixedly connected to the inside of the opening (5), and the upper and lower ends of the core shaft (2) are fixedly connected to the inner wall of the support bearing (6); The bottom end of the core shaft (2) is fixedly connected to a small gear (7), the right side of the bottom end of the hollow main bracket (1) is fixedly connected to a sleeve (8), the inside of the sleeve (8) is fixedly connected to a connecting bearing (9), the inside of the connecting bearing (9) is fixedly connected to a rotating rod (10), the upper end of the connecting bearing (9) is fixedly connected to a hand wheel (11), the bottom end of the rotating rod (10) is fixedly connected to a large gear (12), and the large gear (12) is meshed with the small gear (7); A hollow auxiliary bracket (16) is arranged on the left side of the hollow main bracket (1), and the upper and lower ends of the right side of the hollow auxiliary bracket (16) are fixedly connected to a clamping shaft (17), and the bottom ends of the hollow main bracket (1) and the hollow auxiliary bracket (16) are fixedly connected to a bottom bracket (18).
2. The blue box-free matting device according to claim 1, characterized in that: A plurality of anti-slip vertical strips are integrally formed around the outer wall of the hand wheel (11).
3. The blue box-free matting device according to claim 1, characterized in that: The clamping shaft (17) is an "L"-shaped structure.
4. The blue box-free matting device according to claim 1, characterized in that: A support pad (19) is bonded and connected to the bottom end of the bottom bracket (18), and the support pad (19) is a rubber component.
5. The blue box-free matting device according to claim 1, characterized in that: The length of the hollow main support (1) is equal to the length of the hollow auxiliary support (16).