CN210428041U

CN210428041U - Novel lamp bracket

Info

Publication number: CN210428041U
Application number: CN201921755641.2U
Authority: CN
Inventors: 鲍建平
Original assignee: Shaoxing Sihe Film Culture Co ltd
Current assignee: Shaoxing Sihe Film Culture Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-04-28
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a novel lighting fixture relates to photographic auxiliary equipment technical field, aims at having solved the problem that traditional light filling lamp support is not convenient enough when the regulation, and its technical scheme main points are: the cloud platform including be used for with lamps and lanterns fixed connection last casing and with support frame fixed connection's lower casing, go up the casing through rotate the post with lower casing rotation connection, the internal brake subassembly that is equipped with of inferior valve, brake subassembly include with rotate post fixed connection's braked wheel and a plurality of centre gripping arms of sliding connection in the casing down, the internal scissors fork arm that is located centre gripping arm below that is equipped with of inferior valve, the both ends of scissors fork arm are connected with the both ends of adjacent centre gripping arm respectively, the one end of scissors fork arm is connected with and is used for driving the drive arrangement that scissors fork arm made centre gripping arm centre gripping braked wheel. The utility model discloses a rotation of casing can be restricted to centre gripping arm centre gripping braked wheel, through scissors fork arm and drive arrangement's setting, is convenient for control the contact state of centre gripping arm and braked wheel.

Description

Novel lamp bracket

Technical Field

The utility model relates to a photographic auxiliary equipment technical field, more specifically say, it relates to a novel lighting fixture.

Background

The photographic light supplement lamp is also called a headlight, an interview lamp and a news lamp, the action of the digital video camera is the same as that of a flash lamp in the digital video camera, objects with dark surfaces are needed to be shot, the auxiliary light sources are used certainly, otherwise, the image definition is influenced, the improvement cannot be realized by post processing, and reasonable light application is needed to shoot beautiful images in complex environments such as night, indoor, hotel, interior of a car, elevator room and the like.

The light filling lamp in the photo studio uses the support to support usually in the use, needs to adjust the support to the shooting object of difference and makes the light filling lamp reach suitable position, and traditional light filling lamp support is convenient inadequately when adjusting, especially when rotatory, needs the user directly to rotate whole support, has brought very big inconvenience for user's use, greatly reduced the practicality of light filling lamp support.

To solve the above problems, the chinese patent with publication number CN208935980U discloses a support for a light supplement lamp of a photo studio, which is convenient to adjust, and has the technical key points that: through pressing down the press block, press the pressure messenger spring compression of press block, press the connecting rod that the press block drove the bottom simultaneously and slide to the inboard, the connecting rod drives movable fixture block and slides to the inner chamber in shrink groove, when the tooth of activity fixture block and the tooth of snap ring break away from each other, can rotate the second support column this moment, when rotating second support column to suitable angle, loosen and press the press block, under the effect of spring, promote to press the press block to slide to the outside, press the press block to drive the connecting rod and slide to the outside, the connecting rod drives movable fixture block and slides to the outside, when the tooth of tooth and the tooth toothing of snap ring of activity fixture block, can block, accomplish the purpose of rotatory this support.

This scheme has solved traditional light filling lamp support convenient enough problem when the regulation, simultaneously the utility model provides a new technical scheme solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a novel lighting fixture carries out the centre gripping to the braked wheel through the centre gripping arm, can restrict the rotation of casing, through the setting of scissors fork arm and drive arrangement, is convenient for control the contact state of centre gripping arm and braked wheel.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a novel lamp bracket, includes the support frame and installs the cloud platform that is used for supporting lamps and lanterns on the support frame top, the cloud platform include with be used for with lamps and lanterns fixed connection's last casing and with support frame fixed connection's lower casing, it is connected with lower casing rotation through rotating the post to go up the casing, the internal braking subassembly that is equipped with of inferior valve, braking subassembly include with a plurality of centre gripping arms of brake wheel and sliding connection in the lower casing that rotate post fixed connection, the internal scissors arm that is located centre gripping arm below that is equipped with of inferior valve, the both ends of scissors arm are adjacent respectively the both ends of centre gripping arm are connected, the one end of scissors arm is connected with the drive arrangement who is used for driving scissors arm to make centre gripping arm centre gripping braked wheel.

Through adopting above-mentioned technical scheme, make lamps and lanterns rotate on the support frame through rotating the upper casing, the problem that can not rotate among the prior art and lead to the inconvenient regulation of lamps and lanterns irradiation direction has been solved, when lamps and lanterns rotate to appointed position, it slides in the casing down to drive two centre gripping arms simultaneously through drive arrangement drive scissors fork arm, make two centre gripping arms carry out the centre gripping to the braked wheel, thereby the braking rotates the post and rotates, make to rotate the upper casing that is used for fixed lamps and lanterns and restrict, make the stable maintenance of lamps and lanterns at appointed irradiation direction, the regulation of direction is shone to lamps and lanterns to convenient through setting up of drive arrangement and scissors fork arm.

The utility model discloses further set up to: it includes mutual articulated crossbar one and crossbar two to cut the fork arm, the one end of crossbar one and crossbar two is respectively with adjacent the one end of centre gripping arm is articulated, the centre gripping arm is kept away from crossbar one and crossbar two respectively with the one end of the articulated department of adjacent centre gripping arm and is seted up vertical centre gripping arm that runs through and be curved spacing groove, crossbar one and crossbar two are kept away from crossbar one and crossbar two respectively with the one end of the articulated department of adjacent centre gripping arm be equipped with the pivot of running through spacing groove and sliding connection in the spacing groove, drive arrangement sets up in one side of cutting fork arm and the articulated department of centre gripping arm, drive arrangement is used for driving crossbar one and crossbar two and is close to each other or keep away from with the articulated department of adjacent centre gripping arm respectively.

Through adopting above-mentioned technical scheme, when drive arrangement drive crossbar one and crossbar two respectively with the articulated department of adjacent centre gripping arm keep away from each other, because crossbar one is articulated with crossbar two, thereby make the pivot of being connected on crossbar one and the crossbar two move in the spacing groove, extrude the lateral wall of spacing groove through the pivot, make two adjacent centre gripping arms keep away from each other, thereby the centre gripping to the braked wheel is cancelled, when crossbar one and crossbar two are close to each other with the articulated department of adjacent centre gripping arm respectively, drive the both ends of centre gripping arm and be close to the braked wheel, carry out the centre gripping to the braked wheel through the centre gripping arm, make the braked wheel fixed in the lower casing under the effect of centre gripping arm, play restriction lamps and lanterns pivoted effect.

The utility model discloses further set up to: drive arrangement includes the drive shaft, be equipped with two sections in the drive shaft and revolve to opposite screw thread section, two sections equal threaded connection has the drive block in the screw thread section, fixedly connected with deflector on the drive block, the guide way has been seted up on the deflector, sliding connection has the guide post in the guide way, the guide post sets up at crossbar one and crossbar two respectively with the articulated department of adjacent centre gripping arm, when contained angle between crossbar one and the crossbar two changes, the guide post can be reciprocating motion in the guide way.

Through adopting above-mentioned technical scheme, when the drive shaft rotated, because the drive block is threaded connection two sections respectively and revolves to opposite screw thread section on to make two drive blocks remove along drive shaft length direction and be close to each other or keep away from, thereby drive the deflector along with the drive block removes, make the guide post reciprocating sliding in the guide way on the deflector, through the setting of guide way and guide post on the deflector, drive crossbar one and crossbar two and adjacent centre gripping arm articulated department are close to each other or keep away from respectively.

The utility model discloses further set up to: the brake wheel is characterized in that an arc-shaped plate is arranged in the lower shell, the concave portion of the arc-shaped plate is arranged towards the brake wheel, arc-shaped grooves are formed in two ends of the arc-shaped plate, and the guide columns penetrate through the arc-shaped grooves and are connected in the arc-shaped grooves in a sliding mode.

Through adopting above-mentioned technical scheme, through the arc wall on the arc wall and the arc wall that set up, at the in-process that the guide post removed, play the spacing effect of direction to the guide post.

The utility model discloses further set up to: one end of the driving shaft penetrates through the lower shell to the outside, one end, located outside the lower shell, of the driving shaft is fixedly connected with a control turntable, and anti-skidding grooves are formed in the peripheral wall of the control turntable in an annular array mode and are arranged in the thickness direction of the control turntable.

Through adopting above-mentioned technical scheme, conveniently drive the drive shaft through setting up the control carousel, and set up anti-skidding groove on the periphery wall of control carousel, can increase the frictional force of control pivot and hand contact.

The utility model discloses further set up to: a through groove is formed in the side wall of the first cross rod, and the second cross rod penetrates through the through groove and is hinged to the first cross rod through a rotating shaft.

Through adopting above-mentioned technical scheme, set up logical groove on the crossbar one, and the crossbar two runs through logical groove and is articulated through the axis of rotation with crossbar one, makes crossbar one and crossbar two be in the coplanar, reduces the volume that occupies of scissors fork arm.

The utility model discloses further set up to: the brake drum is characterized in that saw teeth are arranged on the peripheral wall of the brake drum, the clamping arm is arc-shaped, the concave surface of the clamping arm faces the brake drum and is provided with brake teeth meshed with the saw teeth.

By adopting the technical scheme, the clamping arm is arc-shaped, and when the saw teeth are meshed with the braking teeth, the braking wheel can be effectively braked.

The utility model discloses further set up to: one end of each adjacent guide column is respectively connected with the first cross rod and the second cross rod in a rotating mode.

Through adopting above-mentioned technical scheme, when the guide post slided in guide way and arc wall, because adjacent guide post rotates with two crossbars of crossbar respectively and is connected for the smooth and easy slip of guide post in guide way and arc wall.

To sum up, the utility model discloses following beneficial effect has:

carry out the centre gripping to the braked wheel through the centre gripping arm, can restrict the rotation of casing, through two sections screw thread sections that revolve to opposite and the cooperation of two drive blocks on the drive shaft, and through cross bar one and cross bar two, the guide way on guide post and the deflector, realize that cross bar one and cross bar two are close to each other or keep away from with the articulated department of adjacent centre gripping arm respectively, can adjust the contact state of centre gripping arm and braked wheel, through the setting of brake tooth and sawtooth, guarantee that the centre gripping arm is when centre gripping braked wheel, can effectual restriction braked wheel rotates, through the setting of control carousel, the people of being convenient for rotate the drive shaft.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the cradle head of the present invention;

FIG. 3 is a schematic structural view of the clamping arm of the present invention;

fig. 4 is a schematic structural diagram of the middle driving device of the present invention.

In the figure: 1. a support frame; 2. a holder; 3. an upper housing; 4. a lower housing; 5. rotating the column; 6. a brake wheel; 7. a clamp arm; 8. a scissor arm; 9. a first cross bar; 10. a second cross bar; 11. a limiting groove; 12. a rotating shaft; 13. a drive shaft; 14. a drive block; 15. a guide plate; 16. a guide groove; 17. a guide post; 18. an arc-shaped plate; 19. an arc-shaped slot; 20. a control dial; 21. and rotating the shaft.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example (b): a novel lamp holder is shown in figures 1 to 4, and comprises a support frame 1 and a holder 2 arranged at the top end of the support frame 1, wherein a lamp is fixed on an upper shell 3 of the holder 2 in a bolt connection mode by people, then a rotating column 5 is welded at the bottom end of the upper shell 3 and penetrates through a through hole at the top surface of a lower shell 4, so that the upper shell 3 is rotatably connected with the lower shell 4 through the rotating column 5, a brake assembly is arranged in the lower shell 4 and comprises a brake wheel 6 fixedly connected with the rotating column 5, sawteeth are arranged on the peripheral wall of the brake wheel 6, the brake wheel 6 and the sawteeth are integrally formed and processed by iron materials, an arc plate 18 is welded in the lower shell 4 by people, a concave part of the arc plate 18 is arranged towards the brake wheel 6, arc grooves 19 are arranged at two ends of the arc plate 18, then two arc-shaped clamping arms 7 are respectively arranged above the arc grooves 19, and a concave part of the clamping arms 7 is, and the concave part of the clamping arm 7 is provided with a braking tooth which is integrally formed with the clamping arm 7, when the adjacent clamping arm 7 clamps the braking wheel 6, the braking tooth is engaged with the sawtooth, then the guide post 17 penetrates through the arc-shaped groove 19 on the arc-shaped plate 18 and is rotatably connected in the through hole at one end of the clamping arm 7, then the guide plate 15 is arranged below the arc-shaped plate 18, the guide post 17 penetrates through the guide groove 16 on the guide plate 15, then a threaded hole is formed on the driving block 14 through a milling cutter and a screw tap, two threaded sections with opposite screwing directions are arranged on the driving shaft 13, the two driving blocks 14 are respectively in threaded connection with the two threaded sections of the driving shaft 13, then one end of the guide plate 15 is welded on the driving block 14, the driving block 14 can drive the guide plate 15 to move when moving, so that the guide post 17 slides in the guide groove 16 and the arc-shaped groove 19, one end of the driving shaft 13 penetrates through the, one end of the driving shaft 13, which is positioned outside the lower shell 4, is welded with a control turntable 20, anti-skid grooves which are arranged along the thickness direction of the control turntable 20 are distributed on the peripheral wall of the control turntable 20 in an annular array manner, one end of a cross rod I9 is provided with a hole, a guide post 17 penetrates through the hole and is rotatably connected with one end of the cross rod I9, a rotating shaft 12 penetrates through the hole on the other end of the cross rod I9 and is rotatably connected with the cross rod I9, the rotating shaft 12 penetrates through a limiting groove 11 on another clamping arm 7 and is slidably connected in the limiting groove 11, a cross rod II 10 penetrates through a through groove on the side wall of the cross rod I9, the hole on one end of the cross rod II 10 is rotatably connected with the other guide post 17, the hole on the other end of the cross rod II 10 is rotatably connected with a rotating shaft which penetrates through the limiting groove 11 on the other clamping arm 7 and is slidably arranged in the limiting groove 11, and a rotating part, which the cross rod I9 and the cross rod The movable shaft 21 enables the first cross rod 9 and the second cross rod 10 to be hinged with each other to form a scissor arm 8, a driving device is formed by the driving shaft 13, the driving block 14 and the guide plate 15, the first cross rod 9 and the second cross rod 10 are driven to be close to or far away from the hinged position of the adjacent clamping arm 7 respectively, when the included angle between the first cross rod 9 and the second cross rod 10 changes, the guide column 17 can move in the guide groove 16 in a reciprocating mode, finally, the tripod head 2 is fixedly installed on the support frame 1 through bolts, and the support frame 1 is a tripod.

The working process is as follows: when people need to adjust the irradiation direction of the fill-in light, the rotation control dial 20 drives the driving shaft 13 to rotate, because two sections of thread sections with opposite rotation directions on the driving shaft 13 and the driving blocks 14 respectively connected to the thread sections in a threaded manner, the driving blocks 14 drive the guide plates 15 to move away from each other along the length direction of the driving shaft 13, the guide posts 17 are pressed against the inner parts of the guide grooves 16 and slide in the guide grooves 16 in the moving process of the guide plates 15 through the guide grooves 16 on the guide plates 15, because the two guide posts 17 are respectively arranged at the hinged parts of the first cross rod 9 and the second cross rod 10 and the adjacent clamping arms 7, one ends of the first cross rod 9 and the second cross rod 10 are driven to move away from each other through the guide posts 17, the guide posts 17 can be guided through the arc grooves 19 on the arc plates 18 in cooperation with the guide grooves 16, when the first cross rod 9 and the second cross rod 10 are respectively far away from the hinged parts of the adjacent clamping arms 7, as the first cross rod 9 is hinged with the second cross rod 10, the rotating shafts 12 on the first cross rod 9 and the second cross rod 10 slide in the limiting grooves 11 on the clamping arms 7 and are mutually extruded with the inner walls of the limiting grooves 11 through the rotating shafts 12, the adjacent clamping arms 7 move back to the direction of the brake wheel 6 under the action of the first cross rod 9, the second cross rod 10 and the rotating shafts 12, the brake teeth on the clamping arms 7 are separated from the saw teeth on the outer peripheral wall of the brake wheel 6, then the lamp is rotated, when the lamp is rotated to a proper position, the control rotary disc 20 is rotated reversely, the adjacent two clamping arms 7 are close to the brake wheel 6, the brake teeth are meshed with the saw teeth, the rotation of the brake wheel 6 and the rotating column 5 is limited, and the adjustment of the irradiation direction of the lamp is completed.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a novel lighting fixture, includes support frame (1) and installs cloud platform (2) that are used for supporting lamps and lanterns on support frame (1) top, its characterized in that: cloud platform (2) including be used for with lamps and lanterns fixed connection last casing (3) and with support frame (1) fixed connection's lower casing (4), go up casing (3) and rotate with lower casing (4) through rotating post (5) and be connected, be equipped with braking component in lower casing (4), braking component includes a plurality of centre gripping arms (7) of casing (4) under with brake wheel (6) and sliding connection that rotate post (5) fixed connection, be equipped with in lower casing (4) and be located centre gripping arm (7) below fork arm (8), the both ends of shearing fork arm (8) are respectively with adjacent the both ends of centre gripping arm (7) are connected, the one end of shearing fork arm (8) is connected with and is used for driving the drive device that shearing fork arm (8) made centre gripping arm (7) centre gripping brake wheel (6).

2. The novel lamp holder of claim 1, wherein: cut yoke (8) including mutual articulated crossbar one (9) and crossbar two (10), the one end of crossbar one (9) and crossbar two (10) is respectively with adjacent the one end of centre gripping arm (7) is articulated, centre gripping arm (7) are kept away from crossbar one (9) and crossbar two (10) and are seted up vertical through centre gripping arm (7) and be curved spacing groove (11) with the one end of the articulated department of adjacent centre gripping arm (7) respectively, crossbar one (9) and crossbar two (10) are kept away from crossbar one (9) and crossbar two (10) and are equipped with pivot (12) of running through spacing groove (11) and sliding connection in spacing groove (11) with the one end of the articulated department of adjacent centre gripping arm (7) respectively, drive arrangement sets up in the one side of cutting yoke (8) and centre gripping arm (7) articulated department, drive arrangement is used for driving crossbar one (9) and crossbar two (10) and adjacent centre gripping arm (7) articulated one side respectively Are close to or remote from each other.

3. The novel lamp holder according to claim 2, wherein: drive arrangement includes drive shaft (13), be equipped with two sections screw thread sections that revolve to opposite on drive shaft (13), two sections equal threaded connection has drive block (14) in the screw thread section, fixedly connected with deflector (15) on drive block (14), guide way (16) have been seted up on deflector (15), sliding connection has guide post (17) in guide way (16), guide post (17) set up in crossing pole one (9) and crossing pole two (10) respectively with the articulated department of adjacent centre gripping arm (7), when contained angle between crossing pole one (9) and the crossing pole two (10) changed, guide post (17) can be in guide way (16) reciprocating motion.

4. The novel lamp holder of claim 3, wherein: be equipped with arc (18) in lower casing (4), the concave part of arc (18) sets up towards braked wheel (6), arc (19) have been seted up at the both ends of arc (18), guide post (17) run through arc (19) and sliding connection in arc (19).

5. The novel lamp holder according to claim 4, wherein: one end of the driving shaft (13) penetrates through the lower shell (4) to the outside, one end, located outside the lower shell (4), of the driving shaft (13) is fixedly connected with a control turntable (20), and anti-skidding grooves are distributed in an annular array mode on the outer peripheral wall of the control turntable (20) and are formed in the thickness direction of the control turntable (20).

6. The novel lamp holder according to claim 2, wherein: a through groove is formed in the side wall of the first cross rod (9), and the second cross rod (10) penetrates through the through groove and is hinged to the first cross rod (9) through a rotating shaft (21).

7. The novel lamp holder of claim 1, wherein: be equipped with the sawtooth on the periphery wall of braked wheel (6), centre gripping arm (7) are the arcuation, the concave surface of centre gripping arm (7) sets up towards braked wheel (6) and its concave surface is equipped with and is used for the braking tooth with the sawtooth meshing.

8. The novel lamp holder of claim 5, wherein: one end of each adjacent guide column (17) is respectively and rotatably connected with the first cross rod (9) and the second cross rod (10).