CN214675379U

CN214675379U - Micro-distance camera focusing detection mechanism

Info

Publication number: CN214675379U
Application number: CN202120550778.5U
Authority: CN
Inventors: 唐超; 余艳
Original assignee: Shenzhen Shennuoxin Electronic Technology Co ltd
Current assignee: Shenzhen Shennuoxin Electronic Technology Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-11-09
Anticipated expiration: 2031-03-17

Abstract

The utility model discloses a microspur camera detection mechanism that focuses belongs to camera technical field, the on-line screen storage device comprises a base, inside one side fixedly connected with slide rail of base, the internally mounted of slide rail has the slider, one side fixedly connected with fixed plate of slider, the motor is installed to one side of fixed plate, the first bevel gear of output shaft fixedly connected with of motor, one side fixedly connected with transfer line of first bevel gear, the first gear of one end fixedly connected with of transfer line, the below of first gear is equipped with the second gear, the first shank of bolt of one side fixedly connected with of second gear, the outside threaded connection of first shank of bolt has first nut. Can be very effectual fix the camera, prevent that it from rocking when focusing, influence the accuracy of focusing, by a set of motor control, can the oscilaltion carry out the installation of camera, can also remove simultaneously and move about and focus.

Description

Micro-distance camera focusing detection mechanism

Technical Field

The utility model relates to a camera technical field specifically is a microspur camera detection mechanism that focuses on.

Background

The macro lens is a special lens used for macro photography and is mainly used for shooting very fine objects such as flowers, insects and the like. In order to correctly focus on an object at a very close distance, a macro lens is usually designed to be able to be stretched longer so as to make the optical center as far as possible from the photosensitive element, and in the design of the lens group, attention must be paid to control of distortion, chromatic aberration, and the like at a close distance. Most macro lenses have a focal length larger than that of a standard lens, and thus are not completely suitable for general photography. There are generally two types of structures for macro photographic lenses. A macro photographic lens adopts a structure of a built-in telescopic lens cone, and the other structure of exchanging the front and back positions of an optical lens group in the lens.

In the use process of the existing lens, after the reprocessing of the camera is finished, the camera needs to be focused and detected, the subsequent assembly is convenient, the stability of subsequent test data is ensured, but the focusing detection distance of the existing equipment is limited, and part of the lenses cannot be well focused and detected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detection mechanism is focused to microspur camera can be very effectual fix the camera, prevents that it from rocking producing when focusing, and the influence is focused accuracy, by a set of electric machine control, can the oscilaltion carry out the installation of camera, can also remove simultaneously and control the removal and focus.

In order to achieve the above object, the utility model provides a following technical scheme:

a micro-distance camera focusing detection mechanism comprises a base, wherein a slide rail is fixedly connected to one side inside the base, a slide block is installed inside the slide rail, a fixing plate is fixedly connected to one side of the slide block, a motor is installed to one side of the fixing plate, an output shaft of the motor is fixedly connected with a first bevel gear, a transmission rod is fixedly connected to one side of the first bevel gear, a first gear is fixedly connected to one end of the transmission rod, a second gear is arranged below the first gear, a first bolt rod is fixedly connected to one side of the second gear, a first nut is connected to the outer portion of the first bolt rod in a threaded mode, a first connecting rod is fixedly connected to one side of the first nut, a shell is fixedly connected to the top side of the base, a second bearing is installed on the top side of the shell, and a second bolt rod is fixedly inserted into the second bearing, the bottom fixedly connected with second bevel gear of second shank of bolt, the outside threaded connection of second shank of bolt has the second nut, one side fixedly connected with second connecting rod of second nut, the welding of the one end of second connecting rod has fixed establishment.

Preferably, the top side of the base is provided with a limiting groove, and the first connecting rod is located inside the limiting groove.

Preferably, a positioning groove is formed in one side of the shell, and the second connecting rod is located inside the positioning groove.

Preferably, two ends of the first bolt rod are respectively and fixedly inserted into the first bearings, the two groups of first bearings are respectively installed inside the fixed block and on one side of the base, and the fixed block is welded inside the base.

Preferably, a first supporting plate is welded at one end of the first connecting rod, and a focusing plate is fixedly connected to the top side of the first supporting plate.

Preferably, the fixing mechanism comprises two sets of clamping blocks, and the bottom sides of the two sets of clamping blocks are respectively and fixedly connected to the top surfaces of the second supporting plate and the sliding block.

Preferably, the sliding block is installed in the sliding groove, the sliding groove is formed in the second supporting plate, and a second connecting rod is welded to one side of the second supporting plate.

Preferably, the top sides of the two groups of clamping blocks are respectively welded with limiting blocks, and the two groups of limiting blocks are in threaded connection with the outer portion of the third bolt rod.

Preferably, the first gear and the second gear are located on the same vertical horizontal plane, and the first bevel gear is located below the second bevel gear.

Preferably, the base is hollow, and the housing is provided without a bottom cover.

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

1. when the camera is installed, the camera is fixed and limited through the two groups of clamping blocks, and quick installation can be realized only by screwing the third bolt rod, so that the camera is convenient to use, the stability of the camera can be effectively ensured, and the focusing accuracy is further improved;

2. the utility model discloses when removing the camera to the assigned position, the motor continues to descend to drive first shank of bolt and rotate, so just can remove to the focusing plate, thereby realize just can realizing the control through a set of motor focusing to the camera, the subassembly of having optimized, it is also more convenient to operate, and the practicality is high.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the base of the present invention;

FIG. 3 is a schematic view of the sectional structure of the housing of the present invention;

fig. 4 is a schematic side sectional view of the area a in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a slide rail; 3. a slider; 4. a fixing plate; 5. a motor; 6. a first bevel gear; 7. a transmission rod; 8. a first gear; 9. a second gear; 10. a fixed block; 11. a first bearing; 12. a first bolt shank; 13. a first nut; 14. a first connecting rod; 15. a second bevel gear; 16. a second bolt shank; 17. a second nut; 18. a second connecting rod; 19. a second bearing; 20. a housing; 21. a first support plate; 22. a focusing plate; 23. a second support plate; 24. a sliding groove; 25. a slider; 26. a clamping block; 27. a limiting block; 28. a third bolt shank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme: a focusing detection mechanism of a macro camera,

referring to fig. 1 and 2, the base comprises a base 1, the inside of the base 1 is hollow, so that internal components can be conveniently mounted, one side of the inside of the base 1 is fixedly connected with a sliding rail 2, a sliding block 3 is mounted inside the sliding rail 2, one side of the sliding block 3 is fixedly connected with a fixing plate 4, one side of the fixing plate 4 is provided with a motor 5 which is provided as a stepping motor and is convenient for controlling the rotating speed, an output shaft of the motor 5 is fixedly connected with a first bevel gear 6, one side of the first bevel gear 6 is fixedly connected with a transmission rod 7, one end of the transmission rod 7 is fixedly connected with a first gear 8, a second gear 9 is arranged below the first gear 8, and the first gear 8 and the second gear 9 are positioned on the same vertical horizontal plane;

a first bolt rod 12 is fixedly connected to one side of the second gear 9, two ends of the first bolt rod 12 are respectively and fixedly inserted into the first bearings 11, two groups of first bearings 11 are respectively installed inside the fixed block 10 and one side of the base 1, the fixed block 10 is welded inside the base 1, a first nut 13 is connected to the outer portion of the first bolt rod 12 through threads, a first connecting rod 14 is fixedly connected to one side of the first nut 13, a limiting groove is formed in the top side of the base 1, the first connecting rod 14 is located inside the limiting groove to prevent the first nut 13 from rotating, a first supporting plate 21 is welded to one end of the first connecting rod 14, a focusing plate 22 is fixedly connected to the top side of the first supporting plate 21 and used for focusing the camera and is set as a focusing screen, the focusing screen is a frosted ground glass Fresnel lens, and when focusing is not correct, an image on the focusing screen is not clear;

referring to fig. 1 and 3, a shell 20 is fixedly connected to the top side of the base 1, the shell 20 is in a shape without a bottom cover, a second bearing 19 is installed on the top side of the shell 20, a second bolt bar 16 is fixedly inserted into the second bearing 19, a second bevel gear 15 is fixedly connected to the bottom of the second bolt bar 16, the first bevel gear 6 is located below the second bevel gear 15, a second nut 17 is connected to the outer thread of the second bolt bar 16, a second connecting rod 18 is fixedly connected to one side of the second nut 17, a positioning groove is formed in one side of the shell 20, the second connecting rod 18 is located inside the positioning groove, and a fixing mechanism is welded to one end of the second connecting rod 18;

referring to fig. 4, the fixing mechanism includes two sets of clamping blocks 26, the clamping blocks 26 are respectively arranged in two sets, bottom sides of the two sets of clamping blocks 26 are respectively and fixedly connected to top surfaces of the second supporting plate 23 and the sliding block 25, the sliding block 25 is installed inside the sliding groove 24, the sliding groove 24 is formed inside the second supporting plate 23, the second connecting rod 18 is welded on one side of the second supporting plate 23, the top sides of the two sets of clamping blocks 26 are respectively welded with limiting blocks 27, and the two sets of limiting blocks 27 are both in threaded connection with the outside of the third bolt rod 28.

The working principle is as follows: when the camera is used, firstly, the camera is placed between the two groups of clamping blocks 26, then the third bolt rod 28 is screwed, and because one group of the two groups of clamping blocks 26 is fixed, the other group is screwed down on the third bolt rod 28 and moves along with the sliding block 25 in the sliding groove 24, so that the two groups of clamping blocks 26 are closed, the camera is fixed, and the camera can be effectively prevented from shaking during focusing, and the focusing accuracy is influenced;

then the slide block 3 moves upwards in the slide rail 2, so that the first bevel gear 6 is meshed with the second bevel gear 15, the motor 5 is started, the second bolt rod 16 rotates, the second connecting rod 18 is limited in the limiting groove of the shell 20, and the second nut 17 moves downwards, so that the camera is conveyed to a specified position;

finally, the sliding block 3 moves downwards in the sliding rail 2, so that the first gear 8 on the motor 5 is meshed with the second gear 9, at the moment, the first bevel gear 6 and the second bevel gear 15 are in a disconnected state, the first bolt rod 12 is driven through the rotation of the motor 5, the first connecting rod 14 is limited in the limiting groove of the base 1, the first nut 13 is moved, the focusing plate 22 is driven to move, the focusing detection is carried out, the functions are realized through the control of the group of motors 5, and therefore the internal components are optimized.

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

1. The utility model provides a macro camera detection mechanism that focuses, includes base (1), its characterized in that: a sliding rail (2) is fixedly connected to one side inside the base (1), a sliding block (3) is mounted inside the sliding rail (2), a fixing plate (4) is fixedly connected to one side of the sliding block (3), a motor (5) is mounted to one side of the fixing plate (4), a first bevel gear (6) is fixedly connected to an output shaft of the motor (5), a transmission rod (7) is fixedly connected to one side of the first bevel gear (6), a first gear (8) is fixedly connected to one end of the transmission rod (7), a second gear (9) is arranged below the first gear (8), a first bolt rod (12) is fixedly connected to one side of the second gear (9), a first nut (13) is connected to the outer thread of the first bolt rod (12), a first connecting rod (14) is fixedly connected to one side of the first nut (13), the top side fixedly connected with shell (20) of base (1), second bearing (19) are installed to the top side of shell (20), the inside fixed grafting of second bearing (19) has second shank of bolt (16), the bottom fixedly connected with second bevel gear (15) of second shank of bolt (16), the outside threaded connection of second shank of bolt (16) has second nut (17), one side fixedly connected with second connecting rod (18) of second nut (17), the welding of the one end of second connecting rod (18) has fixed establishment.

2. The mechanism of claim 1, wherein: the top side of the base (1) is provided with a limiting groove, and the first connecting rod (14) is located inside the limiting groove.

3. The mechanism of claim 1, wherein: a positioning groove is formed in one side of the shell (20), and the second connecting rod (18) is located inside the positioning groove.

4. The mechanism of claim 1, wherein: two ends of the first bolt rod (12) are respectively fixedly inserted in the first bearings (11), the two groups of first bearings (11) are respectively arranged in the fixed block (10) and on one side of the base (1), and the fixed block (10) is welded in the base (1).

5. The mechanism of claim 1, wherein: one end of the first connecting rod (14) is welded with a first supporting plate (21), and the top side of the first supporting plate (21) is fixedly connected with a focusing plate (22).

6. The mechanism of claim 1, wherein: the fixing mechanism comprises two groups of clamping blocks (26), and the bottom sides of the two groups of clamping blocks (26) are respectively and fixedly connected to the top surfaces of the second supporting plate (23) and the sliding block (25).

7. The mechanism of claim 6, wherein: the sliding block (25) is installed in the sliding groove (24), the sliding groove (24) is formed in the second supporting plate (23), and the second connecting rod (18) is welded to one side of the second supporting plate (23).

8. The mechanism of claim 7, wherein: limiting blocks (27) are welded to the top sides of the two groups of clamping blocks (26) respectively, and the two groups of limiting blocks (27) are in threaded connection with the outer portion of a third bolt rod (28).

9. The mechanism of claim 1, wherein: the first gear (8) and the second gear (9) are located on the same vertical horizontal plane, and the first bevel gear (6) is located below the second bevel gear (15).

10. The mechanism of claim 1, wherein: the interior of the base (1) is hollow, and the shell (20) is provided with a non-bottom cover.