CN219495457U - Rotatable cold boot photometer - Google Patents

Abstract

The utility model discloses a rotatable cold boot photometer meter which comprises a photometer meter body, wherein one end of the photometer meter body is fixedly connected with a rotating seat, the top of the rotating seat is rotatably provided with a photometry ball mounting frame, and one end of the photometry ball mounting frame, which is far away from the rotating seat, is fixedly provided with a photometry white ball for measuring illumination intensity. When the cold boot is connected to the top of the camera, the camera can be held by hand to touch the third driving ring through the index finger and drive the third driving ring to rotate, so that the third driving ring drives the second driving ring to rotate, and when the second driving ring rotates, the second driving ring drives the first driving ring to rotate through the driving chain, and the first driving ring drives the photometry ball mounting frame to rotate through the cooperation of the first driving ring and the tooth socket, so that the photometry ball mounting frame drives the photometry white ball, and the aim of multi-azimuth measurement can be achieved by changing the angle of the photometry white ball while the camera is held by hand to shoot.

Description

A rotatable cold shoe photometer

technical field

The utility model relates to the technical field of photometers, in particular to a rotatable cold shoe photometer.

Background technique

A light meter is an instrument used to measure the intensity of light. In photography, light meters are used to determine the proper exposure time. The light meter gives you the f-stop for the best exposure, given the film speed and shutter speed. Light meters are also used to control the level of lighting, or as hand-held instruments to ensure that the light level is right for the shot.

However, in the actual use of the prior art, most of the light meters are not convenient to carry, and cannot perform multi-directional photometry, and are prone to dead spots in photometry. At this time, it is necessary to move the position of the light meter to perform multi-directional measurements.

Utility model content

The purpose of this utility model is to provide a rotatable cold shoe photometer to solve the problem that most photometers are not convenient to carry, and cannot perform multi-directional photometry, and are prone to photometric dead angles. At this time, mobile photometry is required The table position to carry out multi-directional measurement problem.

In order to achieve the above purpose, the utility model provides the following technical solutions: comprising a light meter body, one end of the light meter body is fixedly connected with a rotating seat, the top of the rotating seat is provided with a photometric ball mounting bracket, and One end of the photosphere mounting frame away from the position of the rotating seat is fixed with a photometric white ball for measuring light intensity, and the surface of the photometric ball mounting frame is movable with a first drive ring that rotates synchronously with the photometric ball mounting frame. The surface transmission of the first drive ring is provided with a drive chain, and the end of the drive chain away from the position of the first drive ring is driven with a second drive ring, and the second drive ring is rotatably arranged at one end of the light meter body. The end of the second drive ring away from the light meter body is fixedly provided with the third drive ring.

Preferably, the lumimeter ball mounting frame movably penetrates and extends to the inside of the rotating base, and the inner wall of the first driving ring and the surface of the bottom of the lumimeter ball mounting frame are respectively provided with matching tooth grooves, so that the measuring The photosphere mounting frame rotates synchronously with the first driving ring, and the first driving ring is rotatably connected to the middle part of the inner wall of the photometer body through a bearing.

Preferably, the drive chain is made of plastic material, and the drive chain is composed of a plurality of spheres and cylinders connected end to end, and the surfaces of the first drive ring and the second drive ring are provided with holes corresponding to the size of the spheres in the drive chain. The matching groove is used to make the first drive ring, the drive chain and the second drive ring form a transmission relationship.

Preferably, the top of the light meter body is provided with a through hole, and the drive chain is movably connected to the inner wall of the through hole, so that the drive chain can move through the through hole and extend to the outside of the rotating seat, and the inner wall of the through hole A sealing cover is movably connected, and one end of the sealing cover is fixedly connected to the top of the rotating seat, and the other end of the sealing cover is fixedly connected with a button, and the button is fastened to one end of the rotating seat.

Preferably, the surface of the drive chain is provided with an expansion frame, and the expansion frame is provided with a guide groove corresponding to the position of the drive chain and the second drive ring, and the second drive ring is rotatably connected to the inner wall of the guide groove. The third drive ring moves through and extends to one end of the expansion frame, and the end of the expansion frame corresponding to the position of the third drive ring is provided with a groove for accommodating the third drive ring, and the bottom of the expansion frame is provided with a limiting groove , and the inner wall of the limit groove is movably clamped with a support frame, and the support frame is fixedly connected to one end of the light meter body.

Preferably, the middle part of the top of the expansion frame is rotatably connected with a threaded rod, and the surface of the threaded rod is threadedly connected with an adjustment frame, and the adjustment frame moves through and extends to the inside of the expansion frame, and the expansion frame corresponds to the adjustment frame An active slot is provided inside the position, and the active slot communicates with the inside of the guide slot.

Preferably, the top of the light meter body is provided with buttons and switches, the bottom of the light meter body is fixedly connected with a cold shoe, and the front end of the light meter body is provided with a touch screen.

Compared with the prior art, the beneficial effects of the utility model are:

1. When the utility model is connected to the top of the camera through the cold shoe, at this time, the camera can be held by the index finger to touch the third driving circle, and drive the third driving circle to rotate, and then make the third driving circle drive the second driving circle to rotate , and when the second drive ring rotates, the second drive ring will drive the first drive ring to rotate through the drive chain, and the lumisphere mounting frame will be driven to rotate through the cooperation of the first drive ring with the tooth groove, thereby making the lumisphere mounting frame Drive the photometric white ball, so that the angle of the photometric white ball can be changed while holding the camera in hand to achieve the purpose of multi-directional measurement;

2. At the same time, the utility model also sets the through hole and the support frame so that the expansion frame can be selectively installed. When the expansion frame is installed, the angle of the photometric ball mounting frame is adjusted, and the drive chain is driven from the bottom of the sealing cover and through the through hole. The hole falls into the inside of the rotating seat, so that the driving chain is placed on the surface of the first driving ring. At this time, the limit groove at the bottom of the expansion frame is clamped with the support frame, thereby completing the installation of the expansion frame.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of a rotatable cold shoe photometer of the present invention;

Fig. 2 is a schematic diagram of the overall structure of a rotatable cold shoe photometer of the present invention;

Figure 3 is a schematic diagram of the overall structure of a rotatable cold shoe photometer of the present invention;

Fig. 4 is a schematic diagram of the overall structure of a rotatable cold shoe photometer of the present invention;

Fig. 5 is a schematic diagram of the overall structure of a rotatable cold shoe photometer of the present invention;

Fig. 6 is a schematic structural diagram of a rotatable cold shoe photometer expansion frame of the present invention;

Figure 7 is a structural schematic diagram of a rotatable cold shoe light meter rotating seat of the utility model;

Fig. 8 is a front sectional view of the structure of a rotatable cold shoe light meter rotating seat of the utility model;

Fig. 9 is a structural schematic diagram II of a rotating seat of a rotatable cold shoe photometer according to the present invention;

Fig. 10 is the second front cross-sectional view of the structure of a rotatable cold shoe light meter rotating seat of the utility model.

In the figure: 1. The body of the light meter; 2. The rotating seat; 3. The mounting frame of the light meter; 4. The white ball for light meter; 5. The tooth groove; 6. The first driving ring; Drive ring; 9, the third drive ring; 10, expansion frame; 11, through hole; 12, sealing cover; 13, button; 14, guide groove; 15, adjustment frame; 16, movable groove; 17, threaded rod; 18 , support frame; 19, button; 20, switch; 21, touch screen; 22, cold shoe.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-10, the utility model provides a technical solution: including a photometer body 1, one end of the photometer body 1 is fixedly installed with a rotating seat 2, and the top of the rotating seat 2 is provided with a photometric ball mounting bracket 3. A photometric white ball 4 for measuring light intensity is fixedly mounted on the end of the lumisphere mounting frame 3 far away from the rotating seat 2, and the surface of the lumimetric ball mounting frame 3 is movably connected with a ball that rotates synchronously with the lumisphere mounting frame 3. The first drive ring 6, the surface transmission of the first drive ring 6 is provided with a drive chain 7, the drive chain 7 is away from the end transmission of the first drive ring 6 position and is provided with a second drive ring 8, and the second drive ring 8 is rotated and arranged on One end of the light meter body 1 , the end of the second drive ring 8 away from the light meter body 1 is fixed with a third drive ring 9 .

The lumimeter ball mounting frame 3 moves through and extends to the inside of the rotating seat 2, and the inner wall of the first drive ring 6 and the surface of the bottom of the lumimeter ball mounting frame 3 are respectively provided with matching tooth grooves 5, so that the lumimeter ball The mounting frame 3 rotates synchronously with the first driving ring 6, and the first driving ring 6 is connected to the middle part of the inner wall of the photometer body 1 through bearing rotation, and the photometric white ball 4 is electrically connected to the electronic components inside the photometer body 1 through a brush. connected so that the data detected by the lumisphere mount 3 can be transmitted to the light meter body 1 .

The drive chain 7 is a plastic material component, and the drive chain 7 is formed by connecting a plurality of spheres and cylinders alternately from end to end. The groove, so that the first drive ring 6, the drive chain 7 and the second drive ring 8 form a transmission relationship.

The top of the light meter body 1 is provided with a through hole 11, and the drive chain 7 is movably connected to the inner wall of the through hole 11, so that the drive chain 7 can move through the through hole 11 and extend to the outside of the rotating seat 2. The inner wall is movably connected with a sealing cover 12, and one end of the sealing cover 12 is fixedly installed on the top of the rotating seat 2, and the other end of the sealing cover 12 is fixedly installed with a button 13, and the button 13 is fastened on one end of the rotating seat 2, and through setting the The hole 11 and the support frame 18 enable the expansion frame 10 to be selectively installed. When the expansion frame 10 is installed, adjust the angle of the photometric ball mounting frame 3, and make the drive chain 7 fall from the bottom of the sealing cover 12 and through the through hole 11. Insert it into the inside of the rotating seat 2, so that the driving chain 7 is placed on the surface of the first driving ring 6. At this time, the limit groove at the bottom of the expansion frame 10 is clamped with the support frame 18, thereby completing the installation of the expansion frame 10. Through the sealing The cover 12 covers the through hole 11, and the sealing cover 12 is fixed by fastening the button 13 and the rotating seat 2, so that the sealing cover 12 plays a dustproof role on the inner wall of the through hole 11, and prevents dust from entering through the through hole 11 The inside of the rotating seat 2.

The surface of the drive chain 7 is provided with an expansion frame 10, and the interior of the expansion frame 10 corresponding to the position of the drive chain 7 and the second drive ring 8 is provided with a guide groove 14, and the second drive ring 8 is rotatably connected to the inner wall of the guide groove 14 , the third drive ring 9 moves through and extends to one end of the expansion frame 10, and the end of the expansion frame 10 corresponding to the position of the third drive ring 9 is provided with a groove for accommodating the third drive ring 9, and the bottom of the expansion frame 10 is provided with There is a limit slot, and the inner wall of the limit slot is movably clamped with a support frame 18 , and the support frame 18 is fixedly installed at one end of the light meter body 1 .

The middle part of the top of the expansion frame 10 is rotatably connected with a threaded rod 17, and the surface of the threaded rod 17 is threadedly connected with an adjustment frame 15. The adjustment frame 15 moves through and extends to the inside of the expansion frame 10. The expansion frame 10 corresponds to the inside of the adjustment frame 15. Be provided with movable groove 16, and movable groove 16 is connected with the inside of guide groove 14, by rotating threaded rod 17, and make threaded rod 17 drive adjusting frame 15 to move down, and then make adjusting frame 15 drive in the inner wall of movable groove 16 The drive chain 7 is bent so that the drive chain 7 is in a tight state on the inner wall of the guide groove 14 , so that the drive chain 7 can normally form a transmission relationship with the first drive ring 6 and the second drive ring 8 .

The top of the photometer body 1 is provided with a button 19 and a switch 20 , the bottom of the photometer body 1 is fixed with a cold shoe 22 , and the front end of the photometer body 1 is provided with a touch screen 21 .

Working principle: when in use, the utility model can connect the device with the connection of the camera by setting the cold shoe 22, so that the cold shoe 22 can be carried directly with the camera without holding the device separately. When the main body 1 is connected to the top of the camera through the cold shoe 22, the camera can be held by the index finger to touch the third driving ring 9 at this time, and it will drive the third driving ring 9 to rotate, and then the third driving ring 9 will drive the second driving ring 8 rotates, and when the second drive ring 8 rotates, the second drive ring 8 will drive the first drive ring 6 to rotate through the drive chain 7, and the first drive ring 6 will drive the lumimeter ball mounting frame 3 through the cooperation of the tooth groove 5 Rotate so that the photometric white ball 4 is driven by the photometric white ball mounting bracket 3, so that the angle of the photometric white ball 4 can be changed while the camera is held in hand to take pictures to achieve the purpose of multi-directional measurement. The horizontal plane rotates 360° to receive light from all directions in order to obtain accurate exposure. By setting the through hole 11 and the support frame 18, the expansion frame 10 can be selectively installed. When the expansion frame 10 is about to be installed, adjust the photometer ball mounting frame 3 angle, and make the driving chain 7 fall into the inside of the rotating seat 2 from the bottom of the sealing cover 12 and through the through hole 11, so that the driving chain 7 is placed on the surface of the first driving ring 6, and at this time, the bottom of the expansion frame 10 The limit groove is clamped with the support frame 18 to complete the installation of the expansion frame 10, and the through hole 11 is covered by the sealing cover 12, and the fixing of the sealing cover 12 is realized by the buckle of the button 13 and the rotating seat 2, so that the sealing cover 12 acts as a dust-proof function on the inner wall of the through hole 11 to prevent dust from entering the interior of the rotating seat 2 through the through hole 11. In order to install the drive chain 7 and the first drive ring 6, the initial state of the drive chain 7 needs to be loose. At this time, by turning the threaded rod 17, the threaded rod 17 drives the adjustment frame 15 to move downward, so that the adjustment frame 15 drives the drive chain 7 to bend on the inner wall of the movable groove 16, so that the drive chain 7 is in the direction of the guide groove 14. The inner wall is in a tight state, so that the driving chain 7 can normally form a transmission relationship with the first driving ring 6 and the second driving ring 8 .

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A rotatable cold shoe photometer, comprising a photometer body (1), characterized in that: one end of the photometer body (1) is fixedly connected with a swivel seat (2), and the swivel seat The top of (2) is rotated with a photometric ball mounting frame (3), and one end of the photometric ball mounting frame (3) away from the rotating base (2) is fixedly provided with a photometric white ball (4) for measuring light intensity, The surface movement of the lumisphere mount (3) is provided with a first drive ring (6) that rotates synchronously with the lumisphere mount (3), and the surface transmission of the first drive ring (6) is provided with a drive A chain (7), the drive chain (7) is provided with a second drive ring (8) at one end away from the position of the first drive ring (6), and the second drive ring (8) is rotated and arranged on the light meter body ( 1), and the end of the second drive ring (8) away from the light meter body (1) is fixed with a third drive ring (9). 2. A rotatable cold shoe photometer according to claim 1, characterized in that: the photometric ball mounting bracket (3) moves through and extends to the inside of the rotating seat (2), and the first The inner wall of a drive ring (6) and the surface of the bottom of the lumimeter ball mounting frame (3) are provided with cooperating tooth grooves (5) respectively, so that the lumimeter ball mounting frame (3) follows the first drive ring (6) ) rotate synchronously, and the first driving ring (6) is connected to the middle part of the inner wall of the photometer body (1) through bearing rotation. 3. A rotatable cold shoe photometer according to claim 1, characterized in that: the drive chain (7) is a plastic material component, and the drive chain (7) is a plurality of spheres and cylinders at the end The first driving ring (6) and the second driving ring (8) are formed in a staggered manner, and the surfaces of the first driving ring (6) and the second driving ring (8) are provided with grooves matching the size of the sphere in the driving chain (7), so that the first driving ring (6) ), the drive chain (7) and the second drive ring (8) form a transmission relationship. 4. A rotatable cold shoe photometer according to claim 1, characterized in that: the top of the photometer body (1) is provided with a through hole (11), and the driving chain (7) moves Connected to the inner wall of the through hole (11), so that the drive chain (7) can move through the through hole (11) and extend to the outside of the rotating seat (2), and the inner wall of the through hole (11) is movably connected with a sealing cover (12), and one end of the sealing cover (12) is fixedly connected to the top of the rotating seat (2), and the other end of the sealing cover (12) is fixedly connected with a button (13), and the button (13) is fastened in the rotation One end of the seat (2). 5. A rotatable cold shoe light meter according to claim 1, characterized in that: the surface of the driving chain (7) is movable with an expansion frame (10), and the expansion frame (10) corresponds to Drive chain (7) and the inside of the second drive ring (8) position are all provided with guide groove (14), and described second drive ring (8) is rotatably connected to the inwall of guide groove (14), and described third drive The ring (9) moves through and extends to one end of the expansion frame (10), and the end of the expansion frame (10) corresponding to the position of the third driving ring (9) is provided with a groove for accommodating the third driving ring (9), The bottom of the expansion frame (10) is provided with a limit groove, and the inner wall of the limit groove is movably connected with a support frame (18), and the support frame (18) is fixedly connected to one end of the light meter body (1). 6. A rotatable cold shoe light meter according to claim 5, characterized in that: the middle part of the top of the expansion frame (10) is rotatably connected with a threaded rod (17), and the threaded rod (17) The surface of the surface is threadedly connected with an adjustment frame (15), and the adjustment frame (15) moves through and extends to the inside of the expansion frame (10), and the inside of the expansion frame (10) corresponding to the position of the adjustment frame (15) has The movable groove (16), and the movable groove (16) communicates with the inside of the guide groove (14). 7. A rotatable cold shoe photometer according to claim 1, characterized in that: the top of the photometer body (1) is provided with a button (19) and a switch (20), and the photometer The bottom of the light meter body (1) is fixedly connected with a cold shoe (22), and the front end of the light meter body (1) is provided with a touch screen (21).