WO2021097996A1

WO2021097996A1 - Lighting device for movie and television photography

Info

Publication number: WO2021097996A1
Application number: PCT/CN2019/126914
Authority: WO
Inventors: 王蓓
Original assignee: 王蓓
Priority date: 2019-11-18
Filing date: 2019-12-20
Publication date: 2021-05-27
Also published as: CN211318942U

Abstract

Disclosed is a lighting device for movie and television photography, comprising a bottom plate and backing plates. A plurality of backing plates are placed in the center of an upper portion of the bottom plate; the front ends of the backing plates are all movably connected to LED lamps by means of a plurality of locating devices; each of the locating devices comprises a first transverse rod, pin shafts, a frame, round rods, and first sleeves; front ends and rear ends of inner sides of the left and right round rods are all fixedly connected to the frame by means of the first transverse rod; an inner side of an inner wall of the frame is rotationally connected to the LED lamps by means of the pin shafts. Moreover, limiting devices and clamping devices are further provided.

Description

Lighting device for film and television shooting

Technical field

The utility model relates to the technical field of shooting, in particular to a lighting device for film and television shooting.

Background technique

Film and television is an art form that uses copy, tape, film, memory, etc. as the carrier, and uses screen and screen projection as the purpose, so as to achieve comprehensive visual and auditory viewing. It is a comprehensive form of modern art, including movies, TV shows, programs, animations, etc. Content, shooting, is to record the image of people and things with a camera or video recorder. Different scenes have different shooting techniques, such as night scene shooting, rain scene shooting, building shooting, portrait shooting, etc., often in the process of filming Need to use the lighting device to supplement the light.

For example, the patent No. 201820242494.8 includes a base, a fixing frame, a support assembly, an LED lamp assembly, and a fog machine assembly; the support is rotatably connected to the fixing frame through a first rotating shaft, although it can achieve condensing light and shadow The purpose of improving the performance, but it has the situation that the LED lamp will affect the use status of other installed lighting devices during the installation and disassembly process. When a single LED lamp is damaged, it is inconvenient to take out. At the same time, it is still inconvenient to use according to the needs. Change the number of LED lights required.

Summary of the invention

The purpose of the present invention is to provide a lighting device for film and television shooting, so as to solve the problem of the LED lamp proposed in the background art that affects the use state of other installed lighting devices during the installation and disassembly process.

In order to achieve the above objective, the present invention provides the following technical solution: a lighting device for film and television shooting, comprising a bottom plate and a backing plate, a plurality of backing plates are placed in the upper center of the bottom plate, and the front ends of the backing plates pass through a plurality of backing plates. The positioning device is connected to the LED light activity;

The positioning device includes a first cross bar, a pin shaft, a frame, a round bar and a first sleeve;

The rear sides of a plurality of the first sleeves are welded and connected to the joints of the backing plate, the inside of the first sleeves are all provided with round rods, and the round rods and the first sleeves are in clearance fit, and the left and right Both the inner front and rear ends of the round rod are fixedly connected to the frame through the first cross bar, and the inner side of the inner wall of the frame is rotatably connected with the LED lamp through a pin shaft. The positioning device can realize the positioning of the installation position of the LED lamp.

Preferably, the left and right first sleeves are distributed axially symmetrically based on the vertical center of the LED lamp. The first sleeve supports the LED lamp with a supporting effect.

Preferably, the upper and left sides of the bottom plate are supported and attached to the backing plate through a limiting device;

The limiting device includes a nut, a screw and a rubber pad;

The left and right screws are respectively welded on the left and right sides of the upper end of the bottom plate. The screw is in clearance fit with a plurality of backing plates. A nut is provided under the outer wall of the screw, and the nut and the screw are threadedly connected. Each is provided with a rubber pad, and the rubber pad and the screw are in clearance fit. The number of LED lights can be controlled by the limit device.

Preferably, a locking device is installed on the rear side of the first sleeve;

The clamping device includes a second cross bar, a rubber sleeve, a second sleeve, a vertical bar, a horizontal plate, a first spring, a clamping block, a sleeve block and a second spring;

A plurality of the clamping blocks are respectively fixedly connected to the right end of the round rod, a sleeve block is provided on the right side of the outer wall of the clamping block, the sleeve block is fixedly connected with the first sleeve, and the sleeve block and the clamping block are in clearance fit, The outer wall of the block is provided with a second spring, the right side of the second spring is fixedly connected with the sleeve block, and the left side of the second spring is attached to the round rod, and the upper and left sides of the block are both provided There is a vertical rod, the second sleeve is fixed on the upper right side of the first sleeve, the vertical rod is in clearance fit with the second sleeve and the first sleeve, and the center of the outer wall of the vertical rod is fixed The horizontal plate is provided with a first spring above the horizontal plate, the upper and lower sides of the first spring are respectively fixedly connected to the second sleeve and the horizontal plate, and the upper and inner sides of the left and right vertical rods are fixed by the second horizontal rods Connected, the outer wall of the second crossbar is sleeved with a rubber sleeve. The card position device can realize the card position of the LED lamp and the pop-up and removal of the LED lamp during disassembly.

Preferably, a card and structure are formed between the clamping block and the vertical rod. The vertical rod can restrict the position of the block.

Preferably, roller wheels are installed inside the front and rear ends of the bottom left and right sides of the bottom plate. The roller can realize the convenient movement of the bottom plate.

Preferably, the accuracy of the verticality between the bottom plate and the screw is high. The connection between the bottom plate and the screw is very precise and stable.

Preferably, a rubber sleeve is installed on the outer wall of the roller, and the roller itself has a brake structure. The rollers can adapt to more road surfaces and can stop moving at any time.

Compared with the prior art, the beneficial effects of the utility model are: the lighting device for film and television shooting has scientific and reasonable structure, safe and convenient use:

A positioning device is provided, including a first cross bar, a pin shaft, a frame, a round rod, the first sleeve and the cooperation between the LED lamp, so that the LED lamp can be moved inside the first sleeve through the round rod during installation, Realize the position positioning of the LED lamp during installation and disassembly, avoiding the situation that affects the use state of other installed lighting devices during the installation and disassembly process of the LED lamp.

A clamping device is provided, including a first sleeve, a round rod, an LED light, a first spring, a clamping block, a vertical rod, a second spring, and the second cross rod. The inside of a sleeve is pushed inward to form a card and structure with the vertical rod to achieve position fixation. When it needs to be taken out, the second horizontal rod can be pulled up to take out the LED light and the round rod through the first spring, avoiding the appearance of a single LED light. The problem of inconvenient removal when damaged.

Set the limit device, including the cooperation between the bottom plate, screw, nut, rubber pad, backing plate and LED light, so that turning the nut can control the use height of the bottom LED light, and control the LED light by the number of backing plates The number of used LEDs solves the problem of the inconvenience of changing the number of LED lights required according to the needs of use.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the utility model;

Fig. 2 is a schematic diagram of the structure of the bottom plate, the backing plate and the first sleeve in Fig. 1;

Fig. 3 is a schematic front view of the LED lamp, the frame and the second crossbar in Fig. 1;

Fig. 4 is a right cross-sectional view of the first sleeve, the clamping block and the vertical rod in Fig. 1.

In the picture: 1, bottom plate, 2, limit device, 201, nut, 202, screw, 203, rubber pad, 3, positioning device, 301, first crossbar, 302, pin, 303, frame, 304, circle Rod, 305, first sleeve, 4, clamping device, 401, second cross bar, 402, rubber sleeve, 403, second sleeve, 404, vertical rod, 405, horizontal plate, 406, first spring, 407, block, 408, set block, 409, second spring, 5, backing plate, 6, roller, 7, LED light.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present utility model.

Please refer to Figures 1-4, this utility model provides a technical solution: a lighting device for filming and filming, comprising a bottom plate 1 and a backing plate 5. A plurality of backing plates 5 are placed on the upper center of the bottom plate 1 to restrict the bottom plate 1 and the backing plate. The board 5 is supported, and the front end of the backing board 5 is movably connected to the LED lamp 7 through a plurality of positioning devices 3. The positioning device 3 includes a first cross bar 301, a pin shaft 302, a frame 303, a round bar 304 and a first sleeve 305 , The rear sides of the plurality of first sleeves 305 are welded to the connection of the backing plate 5, the backing plate 5 can support the plurality of first sleeves 305, and the inside of the first sleeves 305 are provided with round rods 304, Restrict the relative position of the first sleeve 305 and the round rod 304. The round rod 304 and the first sleeve 305 are in clearance fit. The round rod 304 can move inside the first sleeve 305. Both ends are fixedly connected to the frame 303 through the first cross bar 301. The frame 303 can move the round bar 304 through the first cross bar 301. The inner wall of the frame 303 is rotatably connected to the LED lamp 7 through the pin 302. The LED lamp 7 can With the pin shaft 302 rotating inside the frame 303, the left and right first sleeves 305 are distributed axially symmetrically with the vertical center of the LED lamp 7 as the reference, so that the first sleeve 305 supports the LED lamp 7 stably, and the bottom plate 1 Rollers 6 are installed inside the front and rear ends of the lower left and right sides, and the bottom plate 1 can be moved by rotating the rollers 6.

The upper and left sides of the bottom plate 1 are supported and attached to the backing plate 5 by a limit device 2. The limit device 2 includes a nut 201, a screw 202 and a rubber pad 203. The left and right screws 202 are welded to the upper and left sides of the bottom plate 1, respectively. 1 can support the screw 202. The screw 202 is in clearance fit with a plurality of backing plates 5, and the plurality of backing plates 5 can move on the outer wall of the screw 202. A nut 201 is provided under the outer wall of the screw 202, and the nut 201 is connected to the screw 202 are all screwed together. Rotating the nut 201 can move on the outer wall of the screw 202. A rubber pad 203 is provided above the nut 201. The rubber pad 203 can prevent the nut 201 from directly contacting the backing plate 5. The rubber pad 203 and the screw 202 are both With clearance fit, the rubber pad 203 can move on the outer wall of the screw 203.

A locking device 4 is installed on the rear side of the first sleeve 305, and the locking device 4 includes a second cross bar 401, a rubber sleeve 402, a second sleeve 403, a vertical bar 404, a horizontal plate 405, a first spring 406, and a card. The block 407, the sleeve block 408 and the second spring 409, a plurality of clamping blocks 407 are respectively fixedly connected to the right end of the round rod 304, the round rod 305 can drive the clamping block 407 to move, and the right side of the outer wall of the clamping block 407 is provided with a sleeve block 408 , The sleeve block 408 is fixedly connected with the first sleeve 305, the first sleeve 305 can support the sleeve block 408, and the sleeve block 408 and the clamping block 407 are in clearance fit, and the clamping block 407 can be carried out inside the sleeve block 408. Move, the outer wall of the block 407 is provided with a second spring 409, the elastic coefficient K of the second spring 409 is 500N/m, the right side of the second spring 409 is fixedly connected with the sleeve block 408, and the left side of the second spring 409 is connected to the The round rod 304 fits together, and the second spring 409 can be squeezed by moving the round rod 304 to the right. A vertical rod 404 is provided on the upper and left side of the block 407 to limit the support of the clamp block 407 and the vertical rod 404. The second set The cylinder 403 is fixed on the upper right side of the first sleeve 305. The first sleeve 305 can support the second sleeve 403. The vertical rod 404 is in clearance fit with the second sleeve 403 and the first sleeve 305. The rod 404 can move inside the second sleeve 403 and the first sleeve 305. The center of the outer wall of the vertical rod 404 is fixed with a horizontal plate 405. The vertical rod 404 can drive the horizontal plate 405 to move. There is a first spring 406. The elastic coefficient K of the first spring 406 is 300N/m. The upper and lower sides of the first spring 406 are respectively fixedly connected with the second sleeve 403 and the horizontal plate 405. The horizontal plate 405 can be squeezed by moving upward. The first spring 406, the upper and inner sides of the left and right vertical rods 404 are fixedly connected by a second cross rod 401, the second cross rod 401 can drive the left and right vertical rods 404 to move, and the outer wall of the second cross rod 401 is sleeved with a rubber sleeve 402, the rubber sleeve 402 can avoid sliding when the second horizontal rod 401 moves. The clamping block 407 and the vertical rod 404 constitute a card and structure. The vertical rod 404 can restrict the movement of the clamping block 407. The gap between the bottom plate 1 and the screw 202 The verticality accuracy level is high to ensure the stability of the connection between the bottom plate 1 and the screw 202. The outer wall of the roller 6 is equipped with a rubber sleeve, and the roller 6 itself has a brake structure, so that the roller 6 can adapt to more roads and at any time The start and stop of the movement can be carried out.

When the lighting device for film and television shooting is needed, firstly, according to the user's needs, the nut 201 can be turned on the outer wall of the screw 202, and the nut 201 can be raised and lowered on the outer wall of the screw 202 to determine the minimum height of the backing plate 5 required for lighting , And then move the backing plate 5 from the top of the screw 202 down through clearance fit for installation and placement. The number of backing plates 5 can be selected according to the use requirements, and then the user can set the LED light with a frame 303 and a round rod 304 7 Move the front end of the backing plate 5 to the rear side, and complete the position positioning of the LED lamp 7 through the clearance fit between the round rod 304 and the first sleeve 305, ensuring that the installation and disassembly process of the LED lamp 7 will not affect the work of other lighting components After the round rod 304 moves backward to the extreme position, the round rod 304 can drive the block 407 to move backward to squeeze the second spring 409, and in the process of moving, the block 407 can drive the vertical rod 404 to move upward and in the final position The vertical rod 404 can be ejected downward by the elastic force of the first spring 405, and the position of the card block 407 and the round rod 304 is latched to realize the connection of the LED light 7 to the external power supply, and realize the work. If a single LED light 7 appears, use it When there is a problem, the user can pull the corresponding second cross bar 401 upwards to move up to release the jam and restriction between the vertical bar 404 and the blocking block 407. The elastic force of the first spring 406 can push the round bar 304 out to facilitate Remove the LED lamp 7 for replacement.

In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inner", "front", "center", and "both ends" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description , Rather than indicating or implying that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

In the present invention, the terms "installation", "setting", "connection", "fixing", "spinning" and other terms should be understood in a broad sense, unless otherwise clearly specified and limited. For example, it may be a fixed connection. It can also be detachably connected or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal communication of two components or the interaction of two components Relations, unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it will be understood that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. , Replacements and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

A lighting device for film and television shooting, comprising a bottom plate (1) and a backing plate (5). A plurality of backing plates (5) are placed at the upper center of the bottom plate (1), and the feature is that: the backing plate (5) The front end of the device is movably connected with the LED light (7) through a plurality of positioning devices (3);

The positioning device (3) includes a first crossbar (301), a pin (302), a frame (303), a round rod (304) and a first sleeve (305);

The rear sides of the plurality of first sleeves (305) are welded and connected to the joints of the backing plate (5), and the inside of the first sleeves (305) are all provided with round rods (304), the round rods (304) is in clearance fit with the first sleeve (305). The inner front and rear ends of the left and right round rods (304) are fixedly connected to the frame (303) through the first cross rods (301), and the frame (303) The inner side of the inner wall of) is rotatably connected with the LED lamp (7) through a pin shaft (302).
The lighting device for film and television shooting according to claim 1, characterized in that the left and right first sleeves (305) are distributed axisymmetrically based on the vertical center of the LED lamp (7).
The lighting device for film and television shooting according to claim 1, characterized in that: the upper left and right sides of the bottom plate (1) are supported and attached to the backing plate (5) by a limit device (2);

The limiting device (2) includes a nut (201), a screw (202) and a rubber pad (203);

The left and right screws (202) are respectively welded on the left and right sides of the upper end of the bottom plate (1). The screw (202) is in clearance fit with a plurality of backing plates (5), and the outer wall of the screw (202) is provided with The nut (201), and the nut (201) and the screw (202) are both threadedly connected, and a rubber pad (203) is provided above the nut (201), and the rubber pad (203) and the screw (202) have a gap Cooperate.
The lighting device for film and television shooting according to claim 1, characterized in that: a locking device (4) is installed on the rear side of the first sleeve (305);

The locking device (4) includes a second cross bar (401), a rubber sleeve (402), a second sleeve (403), a vertical bar (404), a horizontal plate (405), a first spring (406), The catch block (407), the sleeve block (408) and the second spring (409);

A plurality of the clamping blocks (407) are respectively fixedly connected to the right end of the round rod (304), the right side of the outer wall of the clamping block (407) is provided with a sleeve block (408), the sleeve block (408) and the first The sleeve (305) is fixedly connected, and the sleeve block (408) and the clamping block (407) are in clearance fit. The outer wall of the clamping block (407) is provided with a second spring (409), the second spring (409) The right side of the second spring (409) is fixedly connected with the sleeve block (408), and the left side of the second spring (409) is attached to the round rod (304), and the upper left side of the block (407) is provided with a vertical rod (404) ), the second sleeve (403) is fixed on the upper right side of the first sleeve (305), and the vertical rod (404) is the same as the second sleeve (403) and the first sleeve (305). With clearance fit, a horizontal plate (405) is fixedly connected to the center of the outer wall of the vertical rod (404), and a first spring (406) is arranged above the horizontal plate (405). The two sides are respectively fixedly connected with the second sleeve (403) and the horizontal plate (405). The upper and inner sides of the left and right vertical rods (404) are fixedly connected with the second horizontal rods (401), and the second horizontal rods (401) A rubber sleeve (402) is sleeved on the outer wall of ).
The lighting device for film and television shooting according to claim 4, characterized in that: a card and structure are formed between the block (407) and the vertical rod (404).
The lighting device for film and television shooting according to claim 1, characterized in that rollers (6) are installed inside the front and rear ends of the bottom left and right sides of the bottom plate (1).
The lighting device for film and television shooting according to claim 1, characterized in that: the verticality accuracy level between the bottom plate (1) and the screw (202) is high.
The lighting device for film and television shooting according to claim 1, characterized in that: the outer wall of the roller (6) is equipped with a rubber sleeve, and the roller (6) itself has a brake structure.