Disclosure of utility model
The utility model aims to solve the technical problems that in the prior art, a plurality of photographic lamps are matched for auxiliary illumination, when the lamplight of the plurality of photographic lamps is required to be converged or diverged, the angle of each photographic lamp is required to be independently adjusted, the adjustment flow and the operation are complicated, the shooting progress is influenced, the current quick rhythm of shooting cannot be well met, and the use experience of a user is seriously influenced.
In order to solve the technical problems, the utility model provides a lamp bracket, which comprises a main body frame, a screw rod, an assembly component and a driving component, wherein the screw rod is arranged in the main body frame; the assembly component comprises a connecting seat and a plurality of mounting frames rotatably connected to the connecting seat, and the inner space of each mounting frame forms a mounting position for fixing the photographic lamp; the connecting seat is movably arranged on the screw rod, a plurality of mounting frames are arranged at intervals on the periphery of the connecting seat, and the end part of the mounting frame, which is away from the connecting seat, is rotatably connected with the main body frame; the driving assembly is connected with the screw rod to drive the screw rod to rotate around the axis of the screw rod, so that the connecting seat can move back and forth along the axis direction of the screw rod, and the photographic lamps assembled in the mounting frames can swing.
Optionally, the lead screw is arranged on the central axis of the main body frame, the axial direction of the lead screw is consistent with the central axis of the main body frame, and the installation positions formed by the plurality of installation frames are arranged in a central symmetry mode with the central axis of the main body frame.
Optionally, the periphery of lead screw is equipped with the external screw thread, the inner wall of connecting seat be equipped with the internal screw thread of external screw thread looks adaptation, the connecting seat spiro union is established the outside of lead screw.
Optionally, the drive assembly includes a motor connected to the screw to drive the screw to rotate about its own axis.
Optionally, the driving assembly further comprises a controller, wherein the controller is electrically connected with the motor, and the controller receives a control signal to control the motor to drive the screw rod to rotate.
Optionally, the lamp holder further comprises a hand wheel, the hand wheel is fixed with the end part of the screw rod, the hand wheel is rotated to enable the screw rod to rotate around the axis of the screw rod, and the hand wheel is arranged away from the light-emitting surface of the photography lamp.
Optionally, each mounting rack comprises a connecting rod and a rack main body connected to one end of the connecting rod, and the other end of the connecting rod is rotatably connected with the connecting seat; the frame main body is of a U-shaped structure with one open end, and one end of the frame main body, which is away from the opening of the frame main body, is fixed with the end part of the connecting rod.
Optionally, the mounting frame is provided with four, four the mounting frame is in the week side of lead screw evenly interval arrangement, and the contained angle between the connecting rod of adjacent two the mounting frame is 90.
Optionally, the frame main body includes a main body arm and two connecting arms respectively arranged at two ends of the main body arm, and the two connecting arms and the main body arm enclose to form the installation position; the end part of the connecting rod is connected to the outer side of the main body arm, the end part of the connecting arm is rotatably connected with the main body frame, and the rotating axis direction of the connecting arm is perpendicular to the axis direction of the connecting rod.
The utility model also provides a photographic lamp system which comprises a plurality of photographic lamps and the lamp bracket, wherein the photographic lamps are arranged in the mounting positions in a one-to-one correspondence manner, and the lampshade of the photographic lamp extends out from one side surface of the main body frame.
According to the technical scheme, the beneficial effects of the utility model are as follows: in the lamp bracket and the photographic lamp system, the lamp bracket comprises the main body frame, the screw rod and the assembly component, the screw rod is arranged in the main body frame, the assembly component comprises the connecting seat and the plurality of mounting frames, the mounting frames are connected to the screw rod through the connecting seat, and the screw rod can rotate around the axis of the screw rod, so that the connecting seat can move back and forth along the axis direction of the screw rod. When the screw rod rotates clockwise or anticlockwise around the axis of the screw rod, the connecting seat can move back and forth along the axis direction of the screw rod, so that the plurality of mounting frames arranged on the connecting seat can swing back and forth on the main body frame, the angle of the photographic lamp in the mounting frames is adjusted, and the plurality of photographic lamps are simultaneously outwards dispersed or inwards focused.
Detailed Description
Exemplary embodiments that embody features and advantages of the present utility model will be described in detail in the following description. It will be understood that the utility model is capable of various modifications in various embodiments, all without departing from the scope of the utility model, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the utility model.
In the description of the present application, it should be understood that in the embodiments shown in the drawings, indications of directions or positional relationships (such as up, down, left, right, front, rear, etc.) are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the description of the position of these elements changes, the indication of these directions changes accordingly.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 4, an embodiment of the present application provides a lamp stand 10, which includes a main frame 11, a screw 14, an assembly component, and a driving component.
The screw 14 is disposed inside the main body frame 11. The assembly includes a connection base 12 and a plurality of mounting frames 13 rotatably coupled to the connection base 12, and an inner space of the mounting frames 13 constitutes a mounting position 101 for fixing the photographic lamp 20. The connecting seat 12 is movably arranged on the screw rod 14, a plurality of mounting frames 13 are arranged at intervals on the peripheral side of the connecting seat 12, and the end part of the mounting frame 13, which is away from the connecting seat 12, is rotatably connected with the main body frame 11. The driving assembly is connected with the screw 14 to drive the screw 14 to rotate about its own axis, so that the connection base 12 moves back and forth in the axial direction of the screw 14, thereby enabling the photographic lamp assembled in the plurality of mounting frames to swing.
Specifically, the swinging of the photography luminaire 20 means that the photography luminaire 20 swings up and down on a plane formed by the axis of the screw rod 14 and the center of the mounting position 101, following the connection base 12, so as to realize the uniform adjustment of the angles of the photography luminaire 20.
In the present embodiment, the main body frame 11 includes a front frame 111 and a rear frame 112, and the front frame 111 and the rear frame 112 are disposed opposite to each other with a space therebetween. The front frame 111 and the rear frame 112 of the present embodiment are both quadrilateral structures, and the outer shape structures of the two are the same.
The main body frame 11 further includes side links 113, both ends of the side links 113 are respectively connected to the side edges of the front frame 111 and the rear frame 112, so that a space for accommodating the mounting frame 13 is formed between the front frame 111 and the rear frame 112. In the present embodiment, two side links 113 are connected to each side of the front frame 111 and the rear frame 112, and the two side links 113 are arranged at intervals.
The front frame 111 of the present embodiment includes a front outer frame 1111 and a front inner frame 1112, the front inner frame 1112 being arranged inside the front outer frame 1111, and the front inner frame 1112 being arranged concentrically with the front outer frame 1111. In the present embodiment, the front inner frame 1112 is circular, and the center of the front outer frame 1111 and the center of the front inner frame 1112 are both disposed on the central axis of the main body frame 11.
The rear frame 112 includes a rear outer frame 1121 and a rear inner frame 1122, the rear inner frame 1122 being arranged inside the rear outer frame 1121, and the rear inner frame 1122 being arranged concentrically with the rear outer frame 1121. The rear inner frame 1122 has a circular shape, and the center of the rear outer frame 1121 and the center of the rear inner frame 1122 are disposed on the center axis of the main body frame 11.
Further, the space between the front frame 111 and the rear frame 112 can form a plurality of mounting positions 101. The main body frame 11 of the present embodiment further includes a plurality of adapter plates 114, and a pair of adapter plates 114 disposed opposite to each other are disposed on two sides of each mounting location 101. Two ends of the adapter plate 114 are respectively connected with the front frame 111 and the rear frame 112, and the adapter plate 114 is used for connecting the mounting frame 13.
In this embodiment, there are eight adapter plates 114, and two ends of the adapter plates 114 are respectively connected to the front stiffener of the front frame 111 and the bifurcated bar section of the rear frame 112. Eight adapter plates 114 constitute four mounting positions 101, and the four mounting positions 101 are arranged in a central symmetry manner with respect to the central axis of the main body frame 11.
In other examples of the present embodiment, the front frame 111 and the rear frame 112 may have other structural forms, and the space between the front frame 111 and the rear frame 112 may form other numbers of mounting positions 101, such as two, three, six, etc., as long as the plurality of mounting positions 101 can be arranged in a central symmetry manner with respect to the central axis of the main body frame 11, thereby achieving centralized assembly and centralized use of the plurality of photographic lamps 20.
The main body frame 11 of the present embodiment further includes a plurality of fixing rods 115, the fixing rods 115 being disposed between the front frame body 111 and the rear frame body 112, both ends of the fixing rods 115 being connected to the front inner frame 1112 and the rear inner frame 1122, respectively, the plurality of fixing rods 115 being disposed at intervals on the circumferential side of the central axis of the main body frame 11.
In this embodiment, the main body frame 11 further includes a mounting assembly including a pair of opposed and spaced apart mounting rings 1161 and a plurality of mounting bars 1162. Specifically, a plurality of mounting bars 1162 are connected to the peripheral side of each mounting ring 1161, and the ends of the mounting bars 1162 facing away from the mounting rings 1161 are connected to the fixing bars 115 such that both mounting rings 1161 are arranged between the front frame 111 and the rear frame 112 and such that the centers of the two mounting rings 1161 are arranged on the central axis of the main body frame 11.
Further, the screw 14 of the present embodiment is arranged on the central axis of the main body frame 11, the axial direction of the screw 14 coincides with the central axis of the main body frame 11, and the mounting positions 101 formed by the plurality of mounting frames 13 are arranged in central symmetry with respect to the central axis of the main body frame 11.
The two ends of the screw rod 14 are respectively penetrated in the two mounting rings 1161, the connecting seat 12 is annular and sleeved on the screw rod 14, so that a plurality of mounting frames 13 are arranged at intervals on the periphery of the screw rod 14, and each mounting frame 13 is rotatably connected with the connecting seat 12.
The lamp holder 10 further comprises two pressing blocks 15, and two ends of the screw rod 14 are respectively arranged in the mounting ring 1161 through one pressing block 15, so that the screw rod 14 is prevented from falling out of the main body frame 11, the screw rod 14 is limited to move successively, and the screw rod 14 is guaranteed to rotate only around the axis direction of the screw rod 14.
In this embodiment, the mounting positions 101 are four, the mounting frames 13 are correspondingly provided with four, the four mounting frames 13 are uniformly spaced at the periphery of the screw rod 14, and the included angle between the connecting rods 132 of two adjacent mounting frames 13 is 90 °. One end of the mounting frame 13 is arranged on the screw rod 14 through the connecting seat 12, and the other end of the mounting frame 13 is connected to the adapter plates 114 on two sides of each mounting position 101.
Each of the mounting frames 13 of the present embodiment includes a connecting rod 132 and a frame body 131 connected to one end of the connecting rod 132, the other end of the connecting rod 132 is rotatably connected to the connection base 12, and the rotation axis direction of the connecting rod 132 coincides with the axis direction of the screw 14. The frame body 131 has a U-shaped structure with one end opened, and one end of the frame body 131 facing away from the opening is fixed to the end of the connecting rod 132.
The frame body 131 includes a body arm 1311 and two connection arms 1312 provided at both ends of the body arm 1311, respectively, the two connection arms 1312 and the body arm 1311 enclosing to form the mounting position 101, and the end of the connection rod 132 is connected to the outside of the body arm 1311.
In this embodiment, the mounting bracket 13 further includes a connection block 133. The connecting arms 1312 of each mounting bracket 13 are each provided with a connecting block 133 on an inner side wall thereof, and a connecting portion 1331 is formed on a side surface of the connecting block 133 facing the mounting position 101. The connecting portion 1331 of the present embodiment has a groove structure, and a mounting structure matching with the connecting portion 1331 is provided on a side wall of the photographic lamp 20, so that the photographic lamp 20 is fixed in the mounting position 101.
Further, the screw rod 14 of the present embodiment may rotate around its own axis, so that the connection base 12 moves back and forth along the axis direction of the screw rod 14, so that each mounting frame 13 is connected to the upper end portion of the connection base 12 and can move back and forth along the axis direction of the screw rod 14, so that the plurality of photography lamps 20 swing uniformly, and uniform adjustment of angles of the plurality of photography lamps 20 in the plurality of mounting positions 101 is achieved. The end parts of the two connecting arms 1312 in each mounting frame 13 are rotatably connected with the adapter plate 114, and the rotating axis direction of the connecting arms 1312 is perpendicular to the adapter plate 114.
In this embodiment, the outer periphery of the screw rod 14 is provided with an external thread, the inner wall of the connecting seat 12 is provided with an internal thread adapted to the external thread, and the connecting seat 12 is screwed and sleeved outside the screw rod 14. When the screw rod 14 rotates clockwise or counterclockwise about its own axis, the connection base 12 can move back and forth along the axial direction of the screw rod 14, so that the mounting bracket 13 swings back and forth on the main body frame 11, thereby achieving outward divergence or inward focusing of the photographic lamp 20.
The screw 14 of the present embodiment may be driven to rotate by a motor 16, or may be driven to rotate manually. In this embodiment, the drive assembly includes a motor 16, the motor 16 being coupled to the screw 14 to drive the screw 14 in rotation about its own axis.
The fixture 10 may also include a controller electrically connected to the motor 16. The controller can receive a control signal to control the motor 16 to drive the screw 14 to rotate, so that automatic control of rotation of the screw 14 is realized. The rotation rate and rotation time of the screw rod 14 are controlled to control the angle of the photographing lamp 20.
In addition, the driving assembly may further include a hand wheel 17, and the hand wheel 17 is fixed to an end of the screw 14. The hand wheel 17 is turned to rotate the screw 14 about its own axis, thereby effecting manual control of the angle of the photographic lamp 20. The hand wheel 17 is arranged on the surface deviating from the light emitting surface of the photography luminaire 20, so that interference between the hand wheel 17 and the photography luminaire 20 is avoided, and the hand wheel 17 is ensured to effectively control the photography luminaire 20.
As shown in fig. 5 and 6, when the lamp stand 10 shown in this embodiment is used, the photographic lamps 20 are installed in the installation position 101, the driving assembly drives the screw rod 14 to rotate around its own axis, so that the connection seat 12 moves back and forth along the axis direction of the screw rod 14, so that each installation frame 13 is connected to the upper end portion of the connection seat 12 and can move back and forth along the axis direction of the screw rod 14, so that the photographic lamps 20 swing uniformly, and the photographic lamps 20 diverge outwards or focus inwards, so that the uniform adjustment of the angles of the photographic lamps 20 in the installation positions 101 is realized.
Referring to fig. 7 and 8, an embodiment of the present application further provides a photographic lamp system 100, which includes a plurality of photographic lamps 20 and the lamp stand 10, wherein the structure of the lamp stand 10 is described above, and will not be described herein again.
In this embodiment, the lamp holder 10 is provided with four mounting positions 101, so that four photographic lamps 20 can be correspondingly assembled, and the four photographic lamps 20 are correspondingly mounted in the four mounting positions 101 of the lamp holder 10, and the lampshade 22 of the photographic lamp 20 extends from one side surface of the main body frame 11. In other examples of the present embodiment, different numbers of mounting positions 101 may be provided in the lamp holder 10 according to actual use requirements, so as to realize assembly of different numbers of photographic lamps 20.
The photographic lamp 20 of the present embodiment includes a photographic lamp body 21 and a lamp cover 22 connected to an end portion of the photographic lamp body 21. In this embodiment, the outer contour of the photographic lamp body 21 is quadrangular, and the opposite side surfaces of the photographic lamp body 21 are respectively provided with an air outlet 211 and an air inlet 212. The photographic lamp 20 is disposed in the mounting position 101 of the lamp stand 10, and the lamp housing 22 protrudes from the surface of the main body frame 11. The air inlet 212 of the photography luminaire 20 faces the central axis of the main body frame 11, and the air outlet 211 of the photography luminaire 20 faces away from the central axis of the main body frame 11, i.e. the air outlets 211 of the photography luminaire 20 face the outside of the main body frame 11.
For the lamp bracket and the photographic lamp system, the lamp bracket comprises a main body frame, the screw rod and the assembly component, the screw rod is arranged in the main body frame, the assembly component comprises a connecting seat and a plurality of mounting frames, the mounting frames are connected to the screw rod through the connecting seat, and the screw rod can rotate around the axis of the screw rod, so that the connecting seat can move back and forth along the axis direction of the screw rod. When the screw rod rotates clockwise or anticlockwise around the axis of the screw rod, the connecting seat can move back and forth along the axis direction of the screw rod, so that the plurality of mounting frames arranged on the connecting seat can swing back and forth on the main body frame, the angle of the photographic lamp in the mounting frames is adjusted, and the plurality of photographic lamps are simultaneously outwards dispersed or inwards focused.
While the utility model has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present utility model may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.