CN213240772U - Focusing mechanism of film spotlight - Google Patents
Focusing mechanism of film spotlight Download PDFInfo
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- CN213240772U CN213240772U CN202022622457.XU CN202022622457U CN213240772U CN 213240772 U CN213240772 U CN 213240772U CN 202022622457 U CN202022622457 U CN 202022622457U CN 213240772 U CN213240772 U CN 213240772U
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- lead screw
- spotlight
- square frame
- focusing mechanism
- guide rod
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Abstract
The utility model relates to the technical field of spot lamps, in particular to a focusing mechanism of a film spot lamp, which comprises a spot lamp main body, a control box and light shading plates, wherein a plurality of groups of air inlet holes are arranged on the outer side of the spot lamp main body, one side of the spot lamp main body, which is close to a light outlet, is provided with a square frame, the front end and the rear end of the square frame are connected with the spot lamp main body through connecting plates, the light shading plates are arranged on the periphery of the outer side of the square frame, the other side of the spot lamp main body is provided with a control panel, a lead screw and a guide rod are transversely arranged in the spot lamp main body, the guide rod is positioned behind the lead screw, a movable lens cone and a support plate are arranged between the lead screw and the guide rod, the movable lens cone is close, the focusing time is saved, the heat dissipation effect is good, and the service life is prolonged.
Description
Technical Field
The utility model relates to a spotlight technical field specifically is a focusing mechanism of film spotlight lamps and lanterns.
Background
The spotlight is a main lamp for news, stage and movie shooting in a studio, a lamp shell is made of high-quality aluminum alloy sections, the light path design is advanced and reasonable, and the spotlight has the characteristics of light weight, small size, soft projection light, uniform light spot distribution, large light spot adjusting range and the like.
The focusing mechanism of the film spotlight lamp is needed to improve the problems because the prior spotlight is inconvenient to adjust the focal length and slow in focusing speed, and the working interior of the spotlight generates higher temperature and dissipates heat in time to influence the service life of the spotlight.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a focusing mechanism of film spotlight utensil to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a focusing mechanism of a film spotlight comprises a spotlight body, a control box and light shading plates, wherein a plurality of groups of air inlet holes are formed in the outer side of the spotlight body, a square frame is arranged on one side, close to a light outlet, of the spotlight body, the front end and the rear end of the square frame are connected with the spotlight body through connecting plates, the light shading plates are arranged on the periphery of the outer side of the square frame, a control panel is arranged on the other side of the spotlight body, a lead screw and a guide rod are transversely arranged in the spotlight body, the guide rod is positioned behind the lead screw, a movable lens barrel and a support plate are arranged between the lead screw and the guide rod, the movable lens barrel is close to the light outlet of the spotlight body, a first lead screw nut in threaded connection with the lead screw is installed on the base surface of the movable, remove lens cone internally mounted has the condensing lens, the backup pad is close to the one end of lead screw and installs the second lead screw nut with lead screw threaded connection, the backup pad other end install with guide bar sliding connection's second uide bushing, department installs the light emitting source in the middle of the backup pad top, the fixed cover of one end that is close to second lead screw nut on the lead screw is equipped with from the driving wheel, the fixed cover of department is equipped with the rubber sleeve in the middle of the guide bar, spotlight main part bottom is equipped with the control box, control box base face and back all are equipped with the louvre, both ends are close to louvre department and all install the mounting bracket around the control box is inside, install radiator fan on the mounting bracket, control box internally mounted has just reverse motor, the action wheel is installed to just reverse motor's output.
Preferably, the connecting plate is fixedly connected with the spotlight body and the square frame through bolts.
Preferably, the shading plate is rotatably connected with the square frame through a connecting hinge.
Preferably, dustproof filter screens are embedded into the air inlet holes and the heat dissipation holes.
Preferably, the both ends of lead screw pass through the bearing with the spotlight main part and rotate and be connected, the lead screw is two-way lead screw, and the screw thread opposite direction of both sides, first lead screw nut and second lead screw nut are connected respectively in the both sides of lead screw.
Preferably, both ends of the guide bar are fixedly connected with the spotlight body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, positive and negative motor through setting up, the action wheel of positive and negative motor's output installation passes through belt drive with the follow driving wheel of installation on the lead screw and is connected, and first screw nut and second screw nut connect respectively in the both sides of lead screw, it rotates to drive the lead screw through positive and negative motor function, thereby make condensing lens and light emitting source be close to each other or keep away from simultaneously, change the interval between condensing lens and the light emitting source, reach the effect of spotlight focusing, and condensing lens and light emitting source synchronous motion, improve the speed of focusing, save focusing time, and convenient to use.
2. The utility model discloses in, through the guide bar that sets up, second uide bushing and guide bar sliding connection in first uide bushing on the removal lens cone and the backup pad improve the stability of removal lens cone and backup pad at the removal in-process, and the fixed cover of department is equipped with the rubber sleeve in the middle of the guide bar, avoids producing the collision between removal lens cone and the light emitting source, improves barrier propterty.
3. The utility model discloses in, through the radiator fan who sets up, radiator fan work makes external wind get into from the fresh air inlet, is discharged by the louvre again, and inside air flow with higher speed distributes away inside heat, improves heat dispersion, improves life, and fresh air inlet and the inside equal embedding of louvre install dustproof filter screen, and the dust granule of avoiding the air gets into inside adhesion at the condensing lens, makes the light source that jets out clear bright, guarantees spotlight effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the spotlight body and the control box of the present invention;
fig. 3 is a top view of the spotlight body of the present invention.
In the figure: 1-spotlight body, 2-air inlet, 3-control box, 4-heat dissipation hole, 5-square frame, 6-shading plate, 7-connecting plate, 8-lead screw, 9-first lead screw nut, 10-movable lens cone, 11-second lead screw nut, 12-luminous source, 13-driven wheel, 14-belt, 15-mounting rack, 16-heat dissipation fan, 17-positive and negative rotation motor, 18-driving wheel, 19-condenser, 20-first guide sleeve, 21-guide rod, 22-rubber sleeve, 23-second guide sleeve, 24-control panel and 25-support plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a focusing mechanism of a film spotlight comprises a spotlight body 1, a control box 3 and a light screen 6, wherein a plurality of groups of air inlet holes 2 are arranged on the outer side of the spotlight body 1, a square frame 5 is arranged on one side of the spotlight body 1 close to a light outlet, the front end and the rear end of the square frame 5 are connected with the spotlight body 1 through a connecting plate 7, the connecting plate 7 is fixedly connected with the spotlight body 1 and the square frame 5 through bolts, the light screen 6 is arranged on the periphery of the outer side of the square frame 5, the light screen 6 is rotatably connected with the square frame 5 through a connecting hinge, a control panel 24 is arranged on the other side of the spotlight body 1, a lead screw 8 and a guide rod 21 are transversely arranged in the spotlight body 1, two ends of the lead screw 8 are rotatably connected with the spotlight body 1 through bearings, the lead screw 8 is a bidirectional lead screw, the guide rod 21 is located behind the guide screw 8, a movable lens barrel 10 and a support plate 25 are arranged between the guide screw 8 and the guide rod 21, the movable lens barrel 10 is close to a light outlet of the spotlight body 1, a first lead screw nut 9 in threaded connection with the guide screw 8 is installed on the base surface of the movable lens barrel 10, a first guide sleeve 20 in sliding connection with the guide rod 21 is installed on the back of the movable lens barrel 10, a condenser lens 19 is installed inside the movable lens barrel 10, a second lead screw nut 11 in threaded connection with the guide screw 8 is installed at one end, close to the guide screw 8, of the support plate 25, the first lead screw nut 9 and the second lead screw nut 11 are respectively connected to two sides of the guide screw 8, a second guide sleeve 23 in sliding connection with the guide rod 21 is installed at the other end of the support plate 25, a light emitting source 12 is installed in the middle of the top of the support plate 25, a driven, spotlight main part 1 bottom is equipped with control box 3, 3 base planes of control box and the back all are equipped with louvre 4, dustproof filter screen is installed in the inside equal embedding of fresh air inlet 2 and louvre 4, both ends are close to louvre 4 department around control box 3 is inside and all install mounting bracket 15, install radiator fan 16 on mounting bracket 15, control box 3 internally mounted has just reversing motor 17, action wheel 18 is installed to just reversing motor 17's output, action wheel 18 with pass through belt 14 transmission from driving wheel 13 and be connected.
The utility model discloses work flow: when the device is used, a control button on a control panel 24 is pressed, a driving wheel 18 arranged at the output end of a forward and reverse motor 17 is in transmission connection with a driven wheel 13 arranged on a lead screw 8 through a belt 14, a first lead screw nut 9 and a second lead screw nut 11 are respectively connected to two sides of the lead screw 8, the lead screw 8 is driven to rotate through the operation of the forward and reverse motor 17, so that a condensing lens 19 and a luminous source 12 are close to or away from each other at the same time, the distance between the condensing lens 19 and the luminous source 12 is changed, the focusing effect of a spotlight is achieved, through the arranged guide rod 21, a first guide sleeve 20 on a movable lens barrel 10 and a second guide sleeve 23 on a support plate 25 are in sliding connection with the guide rod 21, the stability of the movable lens barrel 10 and the support plate 25 in the moving process is improved, and a rubber sleeve 22 is fixedly sleeved in the middle of the guide rod, improve barrier propterty, and condensing lens 19 and light emitting source 12 synchronous motion, improve the speed of focusing, save focusing time, make external wind get into from fresh air inlet 2 through radiator fan 16 work, discharge by louvre 4 again, inside air flow accelerates, distribute away inside heat, improve heat dispersion, service life is prolonged, and fresh air inlet 2 and louvre 4 inside all imbeds and installs dustproof filter screen, avoid the dust particle of air to get into inside adhesion at condensing lens 19, make the light source of emiting clear bright, guarantee spotlight effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a focusing mechanism of movie spotlight lamps and lanterns, includes spotlight body (1), control box (3) and light screen (6), its characterized in that: the spotlight body (1) outside is equipped with multiunit fresh air inlet (2), spotlight body (1) is close to one side of light export and is equipped with square frame (5), both ends are connected through connecting plate (7) with spotlight body (1) around square frame (5), the outside of square frame (5) all is equipped with light screen (6) all around, spotlight body (1) opposite side is equipped with control panel (24), spotlight body (1) inside transversely is provided with lead screw (8) and guide bar (21), guide bar (21) are located the rear of lead screw (8), be equipped with between lead screw (8) and guide bar (21) and remove lens cone (10) and backup pad (25), remove lens cone (10) and be close to the light export of spotlight body (1), remove lens cone (10) and install first lead screw nut (9) with lead screw (8) threaded connection, the back of the movable lens barrel (10) is provided with a first guide sleeve (20) which is connected with a guide rod (21) in a sliding manner, the movable lens barrel (10) is internally provided with a collecting lens (19), one end of a support plate (25) close to a lead screw (8) is provided with a second lead screw nut (11) which is connected with the lead screw (8) in a threaded manner, the other end of the support plate (25) is provided with a second guide sleeve (23) which is connected with the guide rod (21) in a sliding manner, the middle part of the top of the support plate (25) is provided with a light emitting source (12), one end of the lead screw (8) close to the second lead screw nut (11) is fixedly sleeved with a driven wheel (13), the middle part of the guide rod (21) is fixedly sleeved with a rubber sleeve (22), the bottom of the spotlight body (1) is provided with a control, both ends are close to louvre (4) department around control box (3) is inside and all install mounting bracket (15), install radiator fan (16) on mounting bracket (15), control box (3) internally mounted has just reversing motor (17), action wheel (18) are installed to the output of just reversing motor (17), action wheel (18) are connected through belt (14) transmission with from driving wheel (13).
2. The focusing mechanism of a movie spotlight as in claim 1, wherein: the connecting plate (7) is fixedly connected with the spotlight body (1) and the square frame (5) through bolts.
3. The focusing mechanism of a movie spotlight as in claim 1, wherein: the shading plate (6) is rotatably connected with the square frame (5) through a connecting hinge.
4. The focusing mechanism of a movie spotlight as in claim 1, wherein: dustproof filter screens are embedded into the air inlet holes (2) and the heat dissipation holes (4).
5. The focusing mechanism of a movie spotlight as in claim 1, wherein: the two ends of the lead screw (8) are rotatably connected with the spotlight main body (1) through bearings, the lead screw (8) is a bidirectional lead screw, the thread directions of the two sides are opposite, and the first lead screw nut (9) and the second lead screw nut (11) are respectively connected to the two sides of the lead screw (8).
6. The focusing mechanism of a movie spotlight as in claim 1, wherein: and two ends of the guide rod (21) are fixedly connected with the spotlight body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022622457.XU CN213240772U (en) | 2020-11-13 | 2020-11-13 | Focusing mechanism of film spotlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022622457.XU CN213240772U (en) | 2020-11-13 | 2020-11-13 | Focusing mechanism of film spotlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213240772U true CN213240772U (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022622457.XU Active CN213240772U (en) | 2020-11-13 | 2020-11-13 | Focusing mechanism of film spotlight |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296331A (en) * | 2021-07-27 | 2021-08-24 | 深圳市正光影像器材有限公司 | LED automatic electric focusing photographing spotlight and method thereof |
-
2020
- 2020-11-13 CN CN202022622457.XU patent/CN213240772U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296331A (en) * | 2021-07-27 | 2021-08-24 | 深圳市正光影像器材有限公司 | LED automatic electric focusing photographing spotlight and method thereof |
| CN113296331B (en) * | 2021-07-27 | 2021-10-15 | 深圳市正光影像器材有限公司 | LED automatic electric focusing photographing spotlight and method thereof |
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