Movable lamp holder for radio and television engineering

Abstract

The utility model discloses a movable lamp holder for radio and television engineering, which relates to the field of radio and television engineering and comprises a base, a support frame, a support sleeve, a support rod, a mounting frame, a limiting component, a driving mechanism, a support mechanism and a plurality of universal wheels A. The universal wheels A are fixedly mounted on the base, and the support frame is arranged at the top end of the base. The top end of the supporting frame is fixedly connected with the supporting sleeve, the inner wall of the supporting sleeve is slidably connected with the outer side wall of the supporting rod, one side of the supporting rod is connected with a limiting assembly used for preventing the supporting rod from moving in the height direction of the supporting sleeve, and the mounting frame is used for mounting a lamp and mounted at the top end of the supporting rod. According to the movable lamp holder for the radio and television engineering, through the arranged supporting mechanism, after light supplementing lamps are installed on the lamp holder, the supporting arms and the supporting pieces can effectively support the whole lamp holder, the gravity center is remarkably lowered, the stability of the lamp holder is improved, and it can be ensured that the lamp holder is stable and does not shake even if a plurality of light supplementing lamps are installed.

Description

TECHNICAL FIELD

[0001] The utility model relates to broadcast television engineering technology, concretely relates to a mobile lamp stand for broadcast television engineering. BACKGROUND

[0002] In the studio of broadcast television, fill light is often used in the recording process to ensure that the picture light is sufficient and uniform, and the fill light is usually supported by a lamp stand to meet the needs of different shooting scenes.

[0003] Traditional lamp stands have some obvious deficiencies in design, especially when multiple fill lights are installed. The traditional lamp stand is prone to instability in the center of gravity after carrying multiple fill lights, which reduces the overall stability of the lamp stand. This not only affects the camera effect, but also may cause safety hazards such as lamp stand collapse. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a mobile lamp stand for broadcast television engineering, which can effectively improve the stability of the lamp stand when multiple fill lights are installed.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a mobile lamp stand for broadcast television engineering, comprising a base, a support frame, a support sleeve, a support rod, a mounting bracket, a limiting assembly, a driving mechanism, a support mechanism and multiple A universal wheels;

[0006] The multiple A universal wheels are fixedly installed on the base, the support frame is arranged at the top end of the base, the support frame top end is fixedly connected with the support sleeve, the inner wall of the support sleeve is slidably connected with the outer side wall of the support rod, and the limiting assembly for preventing the support rod from moving along the height direction of the support sleeve is connected to one side of the support rod;

[0007] The mounting bracket is used for installing a lamp, and the mounting bracket is installed at the top end of the support rod;

[0008] The support mechanism comprises a driving assembly and multiple support arms, one end of the support arm is fixedly installed with a rotating shaft, both ends of the rotating shaft are rotatably connected with the support frame, and the end of the support arm away from the rotating shaft is installed with a support piece, and the A driving assembly is used for driving the multiple support arms to rotate around the axis of the rotating shaft connected therewith;

[0009] One side of the base is connected with the driving mechanism capable of driving the base to move along the height direction of the support frame.

[0010] Further, the limiting assembly comprises a fixing cylinder, one side of the fixing cylinder is fixedly connected with the supporting sleeve, a latch is slidably connected on the fixing cylinder, the outer side wall of the latch is slidably connected with the supporting sleeve, a plurality of insertion holes are formed on the supporting rod, the plurality of insertion holes are equidistantly arranged along the height direction of the supporting rod, the latch can be moved to be partially inserted into one of the insertion holes, a spring is arranged outside the latch, one end of the spring is fixedly connected with the latch, and the other end of the latch is fixedly connected with the supporting sleeve.

[0011] Further, the driving assembly comprises a supporting ring, a plurality of connecting rods are hingedly connected to the outer side of the supporting ring, the plurality of connecting rods correspond to the plurality of supporting arms one by one, one end of each of the plurality of connecting rods is hingedly connected with the corresponding supporting arm, and a moving driving member for driving the supporting ring to move along the height direction of the supporting sleeve is connected to one side of the supporting ring.

[0012] Further, the moving driving member comprises a threaded groove formed on the supporting sleeve, and the supporting sleeve is threadedly connected with an A threaded sleeve through the threaded groove, and the bottom end of the A threaded sleeve is rotatably connected with the supporting ring.

[0013] Further, the bottom of the mounting frame is fixedly connected with the supporting rod.

[0014] Further, the bottom of the mounting frame is fixedly connected with a B threaded sleeve, and the inner side wall of the B threaded sleeve is threadedly connected with the top end of the supporting rod.

[0015] Further, the driving mechanism comprises a plurality of gears, the plurality of gears correspond to the plurality of rotating shafts one by one, the plurality of gears are fixedly sleeved outside the corresponding rotating shafts respectively, one side of each of the plurality of gears is engaged with a rack, one side of the plurality of racks is fixedly connected with the same moving column, the moving column is slidably connected with the supporting frame, and the bottom end of the moving column is fixedly connected with the base.

[0016] Further, the supporting member is a B universal wheel, and the B universal wheel is fixedly installed on the supporting arm.

[0017] Further, the supporting member comprises a C threaded sleeve, the top end of the C threaded sleeve is fixedly connected with the supporting arm, a screw rod is threadedly connected with the inner wall of the C threaded sleeve, and a supporting seat is rotatably connected to the bottom end of the screw rod.

[0018] Further, the outer part of the screw rod is fixedly connected with an adjusting member.

[0019] Compared with the prior art, the mobile lamp stand for broadcast television engineering provided by the utility model can effectively support the whole lamp stand through the supporting mechanism after the light supplementing lamp is installed on the lamp stand, the gravity center is significantly reduced, the stability of the lamp stand is improved, and even in the case that a plurality of light supplementing lamps are installed, the lamp stand can also be ensured to be stable and not to shake;

[0020] The height adjustment of the lamp stand is simple and fast by the limiting assembly, and the up and down movement of the supporting rod can be easily realized by releasing or locking the limiting assembly, so that the height of the lamp stand is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0022] Figure 1 The external three-dimensional structure schematic diagram provided by the embodiment of the present application is shown in the figure.

[0023] Figure 2 The first cross-sectional structure schematic diagram provided by the embodiment of the present application is shown in the figure.

[0024] Figure 3 The A place in the figure is an enlarged schematic diagram of the embodiment of the present application. Figure 2

[0025] The B place in the figure is an enlarged schematic diagram of the embodiment of the present application. Figure 4 Figure 2 The C place in the figure is an enlarged schematic diagram of the embodiment of the present application.

[0026] Figure 5 Figure 2 The second cross-sectional structure schematic diagram provided by the embodiment of the present application is shown in the figure.

[0027] Figure 6 The combination schematic diagram of the supporting rod, the mounting frame and the B threaded sleeve provided by the embodiment of the present application is shown in the figure.

[0028] Figure 7 The combination schematic diagram of the supporting rod, the mounting frame and the B threaded sleeve provided by the embodiment of the present application is shown in the figure.

[0029] Explanation of reference signs:

[0030] 1, base; 2, A universal wheel; 3, supporting frame; 4, supporting sleeve; 5, supporting rod; 6, mounting frame; 7, limiting assembly; 70, fixed cylinder; 71, bolt; 72, insertion hole; 73, spring; 8, driving mechanism; 81, gear; 82, rack; 83, moving column; 9, supporting mechanism; 90, driving assembly; 901, supporting ring; 902, connecting rod; 903, A threaded sleeve; 91, supporting arm; 92, supporting piece; 921, C threaded sleeve; 922, screw rod; 923, supporting seat; 924, adjusting piece; 93, rotating shaft; 10, B threaded sleeve. DETAILED DESCRIPTION

[0031] ​​In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be described in further detail below with reference to the drawings.

[0032] Please refer to Figure 1 , Figure 2 and Figure 5 , a kind of broadcast television engineering with movable light frame, including base 1, support frame 3, support sleeve 4, support rod 5, mounting frame 6, restriction component 7, drive mechanism 8, support mechanism 9 and multiple A universal wheel 2;

[0033] Multiple A universal wheel 2 are all fixedly installed on base 1, A universal wheel 2 includes wheel, support, universal joint and fixed screw, wheel is rotatably installed on support, universal joint is fixedly installed on support, universal joint is fixedly installed on base 1 by fixed screw;

[0034] Support frame 3 is set to the top of base 1, and the top of support frame 3 is fixedly connected with support sleeve 4, and the inner wall of support sleeve 4 is slidably connected with the outer side wall of support rod 5, and one side of support rod 5 is connected with restriction component 7 for preventing support rod 5 from moving along the height direction of support sleeve 4;

[0035] Mounting frame 6 is used for installing lamp, and mounting frame 6 is installed on the top of support rod 5;

[0036] Support mechanism 9 includes drive component 90 and multiple support arms 91, one end of support arm 91 is fixedly installed with rotating shaft 93, and the two ends of rotating shaft 93 are rotatably connected with support frame 3 respectively, and the end of support arm 91 away from rotating shaft 93 is installed with support piece 92, and A drive component 90 is used to drive multiple support arms 91 to rotate around the axis of rotating shaft 93 connected with it respectively;

[0037] One side of base 1 is connected with drive mechanism 8 capable of driving base 1 to move along the height direction of support frame 3.

[0038] In the studio of broadcast television, when shooting, light supplementing lamp needs to be supported by light frame, and the gravity center of existing light frame is unstable when multiple light supplementing lamps are installed, so that the stability of light frame is poor;

[0039] Therefore, the application is provided with support mechanism 9, when light supplementing lamp is installed on light frame, A drive component 90 drives multiple support arms 91 to rotate around the axis of rotating shaft 93 connected with it respectively, support arm 91 drives support piece 92 on it to rotate, support arm 91 rotates to horizontal state, and support piece 92 cooperates with support arm 91 to support support frame 3, so that light frame is more stable, and when carrying light frame, similarly, A drive component 90 drives multiple support arms 91 to rotate around the axis of rotating shaft 93 connected with it respectively to be close to support sleeve 4, so that light frame is conveniently carried.

[0040] The A universal wheel 2 installed at the bottom of the base 1 facilitates the movement of the device, when the height of the lamp holder needs to be adjusted, the restriction of the movement of the support rod 5 relative to the support sleeve 4 is removed by the limiting assembly 7, so that the support rod 5 moves up and down relative to the support sleeve 4, when the support rod 5 moves to the predetermined height, the movement of the support rod 5 is hindered by the limiting assembly 7, so that the height adjustment of the lamp holder can be effectively realized.

[0041] Please refer to Figures 1 to 3 In an embodiment of the present application, the limiting assembly 7 comprises a fixed cylinder 70, one side of the fixed cylinder 70 is fixedly connected with the support sleeve 4, a latch 71 is slidably connected with the fixed cylinder 70, the outer side wall of the latch 71 is slidably connected with the support sleeve 4, a plurality of insertion holes 72 are formed on the support rod 5, the plurality of insertion holes 72 are arranged at equal intervals along the height direction of the support rod 5, the latch 71 can be moved to be partially inserted into one of the insertion holes 72, a spring 73 is externally sleeved with the latch 71, one end of the spring 73 is fixedly connected with the latch 71, the other end of the latch 71 is fixedly connected with the support sleeve 4;

[0042] When the restriction of the movement of the support rod 5 relative to the support sleeve 4 is needed to be removed by the limiting assembly 7, the latch 71 is pulled, the spring 73 is compressed, the latch 71 is separated from the insertion hole 72, and the support rod 5 can move up and down relative to the support sleeve 4;

[0043] When the limiting assembly 7 needs to hinder the movement of the support rod 5 relative to the support sleeve 4, the latch 71 is inserted into one of the insertion holes 72, under the cooperation of the latch 71 and the insertion hole 72, the movement of the support rod 5 relative to the support sleeve 4 can be effectively hindered.

[0044] Please refer to Figure 2 and Figure 6 In an embodiment of the present application, the driving assembly 90 comprises a support ring 901, a plurality of connecting rods 902 are hingedly connected to the outer side of the support ring 901, the plurality of connecting rods 902 correspond to the plurality of support arms 91 one by one, the ends of the plurality of connecting rods 902 away from the support ring 901 are respectively hingedly connected with the corresponding support arms 91, one side of the support ring 901 is connected with a moving driving piece for driving the support ring 901 to move along the height direction of the support sleeve 4;

[0045] When the moving driving piece drives the support ring 901 to move along the height direction of the support sleeve 4, the support ring 901 drives the support arm 91 to rotate through the connecting rod 902, so that the position adjustment of the support arm 91 can be realized, so that when a plurality of light supplement lamps are installed on the lamp holder, the support arm 91 can cooperate with the support piece 92 thereon to support the whole lamp holder, when the lamp holder needs to be carried, the support arm 91 is rotated to be close to the support sleeve 4, the volume of the whole lamp holder is reduced, so that the lamp holder is convenient to carry.

[0046] Please refer to 1, Figure 2 and Figure 6 In an embodiment of the utility model, the mobile driving piece includes the threaded groove set up on the support sleeve 4, the support sleeve 4 is connected with A threaded sleeve 903 through the threaded groove on it, and the bottom end of A threaded sleeve 903 is rotationally connected with the support ring 901.

[0047] By rotating A threaded sleeve 903, A threaded sleeve 903 moves along the height direction of support sleeve 4, and A threaded sleeve 903 drives the support ring 901 to move along the height direction of support sleeve 4.

[0048] In an embodiment of the utility model, the mounting frame 6 bottom is fixedly connected with the support rod 5.

[0049] Please refer to Figure 1 and Figure 7 In an embodiment of the utility model, the mounting frame 6 bottom is fixedly connected with B threaded sleeve 10, and the inner side wall of B threaded sleeve 10 is screw connected with the top end of support rod 5; by screwing B threaded sleeve 10 with support rod 5, the mounting frame 6 can be detached from support rod 5, facilitating the carrying of the lamp stand.

[0050] Please refer to Figure 2 , Figure 5 and Figure 6 In an embodiment of the utility model, the driving mechanism 8 includes a plurality of gears 81, the plurality of gears 81 correspond to a plurality of rotating shafts 93 one by one, the plurality of gears 81 are respectively fixedly sleeved outside the rotating shafts 93 corresponding thereto, the plurality of gears 81 are all engaged with a rack 82 on one side, the same moving column 83 is fixedly connected to one side of the plurality of racks 82, the moving column 83 is slidably connected with the support frame 3 on the outside, and the moving column 83 bottom is fixedly connected with the base 1.

[0051] When the support mechanism 9 needs to support the whole lamp stand, the support arm 91 drives the rotating shaft 93 to rotate, the rotating shaft 93 drives the gear 81 to rotate, the gear 81 drives the rack 82 to move when rotating, the rack 82 drives the moving column 83 to move upwards, and the moving column 83 drives the base 1 and A universal wheel 2 mounted on the base 1 to move upwards, after the support arm 91 and the support piece 92 thereon support the whole lamp stand, A universal wheel 2 does not contact the ground, so that the support piece 92 on the support arm 91 cannot effectively contact the ground.

[0052] Please refer to Figure 6In an embodiment of the present application, the supporting member 92 is a B universal wheel, the B universal wheel is fixedly installed on the supporting arm 91, the B universal wheel comprises a wheel, a support, a universal joint and a fixing screw, the wheel is rotatably installed on the support, the universal joint is fixedly installed on the support, the universal joint is fixedly installed on the supporting arm 91 through the fixing screw, when the supporting mechanism 9 supports the whole lamp holder, the B universal wheel contacts the ground, so that the whole lamp holder can be moved.

[0053] Please refer to Figure 2 and Figure 4 In an embodiment of the present application, the supporting member 92 comprises a C threaded sleeve 921, the upper end of the C threaded sleeve 921 is fixedly connected with the supporting arm 91, a screw rod 922 is threadedly connected with the inner wall of the C threaded sleeve 921, and a supporting seat 923 is rotatably connected with the bottom end of the screw rod 922.

[0054] When the supporting mechanism 9 supports the whole lamp holder, the supporting seat 923 contacts the ground, at this time, the whole lamp holder cannot be moved, when the screw rod 922 rotates, the screw rod 922 moves relative to the supporting arm 91, the screw rod 922 drives the supporting seat 923 to move, so that the height of the supporting seat 923 can be effectively adjusted, and the lamp holder can stably support the light supplementing lamp on uneven ground.

[0055] Please refer to Figure 4 In an embodiment of the present application, the screw rod 922 is fixedly connected with an adjusting member 924 outside, so that the height of the supporting seat 923 can be adjusted by rotating the screw rod 922.

[0056] The above only describes some exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and description are illustrative in nature, and should not be understood as limiting the scope of protection of the present application.

Claims

1. A mobile lighting stand for broadcast television engineering, characterized in that It comprises a base (1), a support frame (3), a support sleeve (4), a support rod (5), a mounting frame (6), a limiting assembly (7), a driving mechanism (8), a supporting mechanism (9) and a plurality of A universal wheels (2); The plurality of A universal wheels (2) are fixedly installed on the base (1), the support frame (3) is arranged at the top end of the base (1), the top end of the support frame (3) is fixedly connected with the support sleeve (4), the inner wall of the support sleeve (4) is slidably connected with the outer side wall of the support rod (5), one side of the support rod (5) is connected with the limiting assembly (7) for preventing the support rod (5) from moving along the height direction of the support sleeve (4); The mounting frame (6) is used for mounting a lamp, and is mounted at the top end of the support rod (5); The supporting mechanism (9) comprises a driving assembly (90) and a plurality of support arms (91), one end of each support arm (91) is fixedly installed with a rotating shaft (93), both ends of the rotating shaft (93) are rotatably connected with the support frame (3), and the end of each support arm (91) away from the rotating shaft (93) is installed with a support piece (92), and the A driving assembly (90) is used for driving the plurality of support arms (91) to rotate around the axis of the rotating shaft (93) connected with the support arms (91). One side of the base (1) is connected with the driving mechanism (8) capable of driving the base (1) to move along the height direction of the support frame (3).

2. A mobile lighting stand for broadcast television engineering use according to claim 1, characterised in that, The limiting assembly (7) comprises a fixed cylinder (70), one side of the fixed cylinder (70) is fixedly connected with the support sleeve (4), the fixed cylinder (70) is slidably connected with a latch (71), the outer side wall of the latch (71) is slidably connected with the support sleeve (4), a plurality of insertion holes (72) are arranged on the support rod (5), the plurality of insertion holes (72) are equidistantly arranged along the height direction of the support rod (5), the latch (71) can be moved to be partially inserted into one of the insertion holes (72), a spring (73) is arranged outside the latch (71), one end of the spring (73) is fixedly connected with the latch (71), and the other end of the latch (71) is fixedly connected with the support sleeve (4).

3. A mobile lighting stand for use in broadcast television engineering according to claim 1, characterised in that, The driving assembly (90) comprises a support ring (901), a plurality of connecting rods (902) are hingedly connected outside the support ring (901), the plurality of connecting rods (902) correspond to the plurality of support arms (91) in one-to-one manner, one end of each connecting rod (902) away from the support ring (901) is hingedly connected with the corresponding support arm (91), and one side of the support ring (901) is connected with a moving driving piece for driving the support ring (901) to move along the height direction of the support sleeve (4).

4. A mobile lighting stand for broadcast television engineering use according to claim 3, characterised in that, The moving driving piece comprises a threaded groove arranged on the support sleeve (4), the support sleeve (4) is threadedly connected with an A threaded sleeve (903) through the threaded groove, and the bottom end of the A threaded sleeve (903) is rotatably connected with the support ring (901).

5. A mobile lighting stand for use in broadcast television engineering according to claim 1, characterised in that, The bottom of the mounting frame (6) is fixedly connected with the support rod (5).

6. A mobile lighting stand for broadcast television engineering use according to claim 1, characterized in that, The bottom of the mounting frame (6) is fixedly connected with a B threaded sleeve (10), and the inner side wall of the B threaded sleeve (10) is threadedly connected with the top end of the support rod (5).

7. A mobile lighting stand for broadcast television engineering use according to claim 1, characterized in that, The driving mechanism (8) comprises a plurality of gears (81), the plurality of gears (81) correspond to a plurality of rotating shafts (93) one by one, the plurality of gears (81) are respectively fixedly sleeved outside the rotating shafts (93) corresponding thereto, and one side of each of the plurality of gears (81) is engaged with a rack (82); one side of the plurality of racks (82) is fixedly connected with the same moving column (83), the moving column (83) is slidably connected with the support frame (3) outside, and the bottom end of the moving column (83) is fixedly connected with the base (1).

8. A mobile lighting stand for broadcast television engineering use according to claim 1, characterized in that, The support (92) is a B universal wheel, and the B universal wheel is fixedly installed on the support arm (91).

9. A mobile lighting stand for use in broadcast television engineering according to claim 1, characterised in that, The support (92) comprises a C threaded sleeve (921), the upper end of the C threaded sleeve (921) is fixedly connected with the support arm (91), the inner wall of the C threaded sleeve (921) is threadedly connected with a screw rod (922), and the bottom end of the screw rod (922) is rotatably connected with a support seat (923).

10. A mobile lighting stand for broadcast television engineering use according to claim 9, characterised in that, The outer portion of the screw rod (922) is fixedly connected with an adjusting piece (924).

Images