CN219994852U

CN219994852U - Lens rotating device of optometry instrument

Info

Publication number: CN219994852U
Application number: CN202321393013.0U
Authority: CN
Inventors: 夏发云
Original assignee: Shanghai Zhanzhi Optical Instrument Co ltd
Current assignee: Shanghai Zhanzhi Optical Instrument Co ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-11-10
Anticipated expiration: 2033-06-02

Abstract

The utility model discloses a lens rotating device of an optometry instrument, which comprises a bedplate, wherein four rotating shafts are rotatably connected in the bedplate, a first roller is fixedly connected to the top end of each rotating shaft, and two chains are arranged above the bedplate. When the device is used, the motor rotates to drive the gear II to rotate, so that the gear II rotates to drive the gear I to rotate, the gear I and the gear II rotate to drive the corresponding two gear II to rotate in opposite directions, the two chains are driven to drive the two gear II to move, the two gear II is driven to move by the two chains to drive the vertical shaft to move, the gear II rotates by being separated from the meshing of the gear II and the gear I, the vertical shaft is driven to rotate, and the optometry device is driven to rotate to horizontally move, so that the optometry device can horizontally move and rotate according to requirements.

Description

Lens rotating device of optometry instrument

Technical Field

The utility model relates to a lens rotating device of an optometry instrument, and belongs to the technical field of optometry instruments.

Background

An optometry device for detecting the aggregation of light rays after entering the eyeball, which takes the state of the emmetropic eye as the standard and measures the aggregation and dispersion difference degree between the inspected eye and the emmetropic eye.

Through searching, a lens rotating device of an optometry instrument disclosed in Chinese patent with publication number of CN218064203U comprises a lens component for aligning human eyes, a base plate and a rotating shaft; the base plate is horizontally arranged, and a chute is formed in the base plate; the rotating shaft is arranged on the base plate, one end of the rotating shaft is inserted into the sliding groove, the other end of the rotating shaft extends along the direction vertical to the surface of the base plate, and the end part of the rotating shaft is provided with a lens component, so that the rotating shaft can drive the lens component to synchronously and axially rotate relative to the base plate under external driving and synchronously move relative to the base plate along the extending direction of the sliding groove; when the rotating shaft is positioned at the center of the chute, the orientation of the lens component is vertical to the chute; the lens is driven to synchronously rotate along the sliding groove through the rotating shaft, so that the relative position of the lens and human eyes can be adjusted, the direction of the lens is aligned with the direction after the human eyes are deviated, and the lens can be aligned with the human eyes for accurate measurement.

The problem that the direction of face vision is offset and the lens cannot be accurately aligned with the eyes of the person to be inspected is solved by the scheme, but the technical scheme is that when the aim is achieved, the rotating shaft is driven to rotate through the gear, the gear is meshed with the rack while rotating, and the gear moves linearly along the rack, so that the lens component rotates along the rotating shaft and moves linearly to adapt to the direction of face vision, and the defect is that the linear movement and the rotation are simultaneously carried out when the lens component moves, namely the lens component moves a certain distance when the lens component rotates by a certain angle, the position relations of the lens component are in one-to-one correspondence, and only the rotation or the linear movement cannot be independently carried out, so that the lens component cannot adapt to the visual offset of various conditions in reality.

There is therefore a need to propose a new solution to this problem.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the utility model provides a optometry instrument camera lens rotary device, it has solved the problem that the optometry camera lens part can not adapt to the visual skew of the various circumstances in the reality among the prior art.

The technical problems to be solved by the utility model are realized by adopting the following technical scheme:

the utility model provides an optometry appearance camera lens rotary device, includes the platen, the inside rotation of platen is connected with four pivots, every the equal fixedly connected with cone one in top of pivot, the top of platen is equipped with two chains, every the chain all meshes with two corresponding cone one, the spout has been seted up to the upper surface of platen, the inside wall sliding connection of spout has the slider, the upper surface rotation of slider is connected with the vertical scroll, the surface fixedly connected with cone two of vertical scroll, cone two all meshes with two chains.

Through adopting above-mentioned technical scheme, when four roller cones rotate the direction the same, two chain and two corresponding limit rectilinear motion of roller cone two meshing are opposite, drive roller cone two rotation, roller cone two rotation drives the vertical scroll rotation, the vertical scroll rotates and drives operation box and optometry device rotation, when two roller cones that are close to the front rotate the direction opposite with other two roller cones, two chain drive the opposite direction of this moment, but with two limit rectilinear motion directions of roller cone two meshing the same, two roller cones are moved about driving the roller cone two at this moment, the slider is slided about in the inside of spout to the second removal, the slider slides about having certain damping effect in the inside of spout, drive the vertical scroll about simultaneously, and then drive operation box and optometry device move about, when the face of testee is put on the jaw and is inclined one side by the eye, drive optometry device translates towards one side that the face is inclined, at this moment according to the deflection angle of face, optometry device and then deflect certain angle in order to face visual direction, thereby can realign the direction of face of vision of face, the slider is moved about inside the spout, the slider is controlled by operation box inside the operation.

The utility model is further provided with: the outer surface of vertical scroll rotates and is connected with the operation panel, logical groove has been seted up to the inside of operation panel, the bottom surface fixedly connected with four bracing pieces of operation panel, every the bottom of bracing piece all with platen fixed connection.

By adopting the technical scheme, the vertical shaft moves in the through groove when moving left and right.

The utility model is further provided with: the inner side wall of the through groove is provided with a deep groove, the inner side wall of the deep groove is in sliding contact with a movable ring, and the inner side wall of the movable ring is rotationally connected with the vertical shaft.

By adopting the technical scheme, when the vertical shaft moves left and right, the movable ring is driven to move, and the movable ring rotates in the deep groove, so that the vertical shaft moves more smoothly.

The utility model is further provided with: the top of the vertical shaft is fixedly connected with an operation box, and the upper surface of the operation box is fixedly connected with an optometry device.

By adopting the technical scheme, the control system is arranged in the operation box, the automatic focus following system for controlling the action of the optometry device is arranged, the rotation direction of the four first roller cones is controlled through the automatic focus following system, the rotation and the left-right movement of the vertical shaft can be controlled, and the optometry device can move left and right and rotate.

The utility model is further provided with: the gear I and the gear II are respectively and fixedly connected with the corresponding rotating shafts, and the gear I and the gear II are meshed.

By adopting the technical scheme, when the gear II rotates, the gear I is driven to rotate and one of the gear II rotates, the gear I rotates to drive the corresponding gear II to rotate, the rotation directions of the gear I and the gear II are opposite, at the moment, the moving directions of the meshing edges of the two chains and the gear II are respectively the same, the gear II at the moment is driven to slide in the sliding groove by the two side edges meshed with the chains, and the moving direction of the gear II is controlled by the rotation direction of the gear II.

The utility model is further provided with: the bottom surface fixedly connected with casing of platen, the surface fixedly connected with motor of casing, the output and the gear two fixed connection of motor.

Through adopting above-mentioned technical scheme, the motor rotates and drives gear two and rotates, and then drives cone two and vertical scroll and control the removal, and then drives control box and optometry device and control the removal, realizes optometry device's the purpose of controlling rectilinear motion.

The utility model is further provided with: the inside rotation of casing is connected with the telescopic link, the top and the first fixed connection of gear of telescopic link, the inside sliding connection of gear has the spline, the top and the pivot fixed connection that corresponds of spline.

Through adopting above-mentioned technical scheme, gear one can slide on the spline, the top of telescopic link is hollow, it is fixed with gear one's bottom surface, the spline is located the inside on telescopic link top, shrink top gear one when the telescopic link and slide down on the spline, gear one breaks away from the meshing with gear two, start motor drive gear two and rotate this moment, gear two rotates and drives one of them cone one and rotate, and then drive one of them chain and rotate, the chain drives cone two through the meshing limit and rotates, cone two rotates and drives another one chain and rotate, another one rotates and drives corresponding cone one and follow the rotation, gear one also follows the rotation this moment, drive the telescopic link and rotate in the inside of casing, cone two rotates and drives the vertical scroll and rotate, the vertical scroll rotates and drives operation box and optometry device rotation, thereby realize optometry device's rotation.

The beneficial effects of the utility model are as follows:

1. when the device is used, the motor rotates to drive the gear II to rotate, so that the gear II rotates to drive the gear I to rotate, the gear I and the gear II rotate to drive the corresponding two roller cones to rotate in opposite directions, the two chains are driven to drive, the two chains drive the roller II to move, the roller II moves to drive the vertical shaft to move, the roller II rotates by being separated from the meshing of the gear II and the gear I, the vertical shaft is driven to rotate, the optometry device is driven to rotate and can horizontally move, and the purpose that the optometry device can horizontally move and adjust the rotation according to requirements is achieved;

2. through being provided with telescopic link, spline, gear one, gear two, when using, drive gear one through the telescopic link shrink and remove downwards, gear one removes downwards at the surface of spline for gear one breaks away from gear two's meshing, reaches the purpose that the device can make gear one and gear two break away from meshing as required.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model.

Fig. 2 is a schematic elevational view of the present utility model.

FIG. 3 is a schematic view of the three-dimensional structure of the interior of the console of the present utility model.

Fig. 4 is a schematic view of the three-dimensional structure of the platen of the present utility model.

Fig. 5 is a schematic view of the three-dimensional structure of the interior of the housing of the present utility model.

Fig. 6 is a schematic view of the three-dimensional structure of the first gear and the spline of the present utility model.

In the figure: 1. a platen; 2. an operation table; 3. an operation box; 4. a housing; 5. a motor; 6. a through groove; 7. a deep groove; 8. a support rod; 9. a vertical shaft; 10. a moving ring; 11. roller cone one; 12. a chain; 13. a second roller cone; 14. a chute; 15. a rotating shaft; 16. a first gear; 17. a second gear; 18. a telescopic rod; 19. a spline; 20. a sliding block.

Detailed Description

The utility model will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-6, an optometry lens rotating device comprises a bedplate 1, four rotating shafts 15 are rotatably connected in the bedplate 1, roller cones 11 are fixedly connected to the top ends of the rotating shafts 15, two chains 12 are arranged above the bedplate 1, each chain 12 is meshed with the corresponding two roller cones 11, a sliding groove 14 is formed in the upper surface of the bedplate 1, a sliding block 20 is slidably connected to the inner side wall of the sliding groove 14, a certain damping effect is achieved between the sliding block 20 and the sliding groove 14, a vertical shaft 9 is rotatably connected to the upper surface of the sliding block 20, an operation box 3 is fixedly connected to the top end of the vertical shaft 9, an optometry device is fixedly connected to the upper surface of the operation box 3, a control system is arranged in the operation box 3 and is used for controlling the movement of the optometry device, and the rotation direction of the four roller cones 11 is controlled through the automatic optometry system, so that the rotation and the left-right movement of the vertical shaft 9 can be controlled.

The surface rotation of vertical scroll 9 is connected with operation panel 2, and logical groove 6 has been seted up to the inside of operation panel 2, and the inside wall in logical groove 6 has seted up deep groove 7, and the inside wall sliding contact in deep groove 7 has movable ring 10, and the inside wall and the vertical scroll 9 rotation of movable ring 10 are connected, and when vertical scroll 9 moves about, drive movable ring 10 and remove, movable ring 10 rotates in the inside of deep groove 7 for the removal of vertical scroll 9 is more smooth and easy.

The bottom surface fixedly connected with four bracing pieces 8 of operation panel 2, the bottom of every bracing piece 8 all with platen 1 fixed connection, vertical scroll 9 moves in the inside of logical groove 6 when moving about.

The outer surface of the vertical shaft 9 is fixedly connected with a second roller cone 13, the second roller cone 13 is meshed with two chains 12, when the rotation directions of the four first roller cones 11 are the same, the two chains 12 and the corresponding two sides of the second roller cone 13 are in opposite linear motion, the second roller cone 13 is driven to rotate, the vertical shaft 9 is driven to rotate, the operating box 3 and the optometry device are driven to rotate, when the rotation directions of the two first roller cones 11 close to the front are opposite to those of the other two first roller cones 11, the transmission directions of the two chains 12 at the moment are opposite, but the two sides of the two chains 12 are the same with the linear motion directions of the two roller cones 13, at the moment, the two chains 12 drive the second roller cones 13 to move left and right, the slider 20 is driven to slide left and right in the inside of the chute 14, a certain damping effect is achieved when the slider 20 slides left and right in the inside of the chute 14, meanwhile, the vertical shaft 9 is driven to move left and right, the operating box 3 and the optometry device are driven to move left and right, when the face of a person to be measured is placed on a jaw support but is deflected to one side, the optometry device is driven to translate towards one side of the face, at the moment, the face deflection angle is formed by the face, and the face deflection angle is automatically, and the face deflection angle is controlled by the face deflection device is controlled by the face deflection system, and the face deflection device and the face is controlled by the face, and the face deflection.

The gear I16 and the gear II 17 are arranged below the platen 1, the gear I16 and the gear II 17 are fixedly connected with the corresponding rotating shafts 15 respectively, the gear I16 and the gear II 17 are meshed, when the gear II 17 rotates, the gear I16 is driven to rotate and one of the roller cones 11 is driven to rotate, the gear I16 rotates to drive the corresponding roller cone 11 to rotate, the rotation directions of the gear I16 and the gear II 17 are opposite, at the moment, the movement directions of the meshing edges of the two chains 12 and the roller cone II 13 are the same respectively, at the moment, the roller cone II 13 slides in the sliding groove 14 by the movement of the two meshing edges of the chains 12, and the movement direction of the roller cone II 13 is controlled by the rotation direction of the gear II 17.

The bottom surface fixedly connected with casing 4 of platen 1, the surface fixedly connected with motor 5 of casing 4, the output and the gear two 17 fixed connection of motor 5, motor 5 rotates and drives gear two 17 and rotate, and then drives cone two 13 and vertical scroll 9 and move about, and then drives operation box 3 and optometry device and move about, realizes optometry device's the purpose of controlling rectilinear motion.

The inside rotation of casing 4 is connected with telescopic link 18, telescopic link 18's top and gear one 16 fixed connection, gear one 16's inside sliding connection has spline 19, spline 19's top and corresponding pivot 15 fixed connection, gear one 16 can slide on spline 19, telescopic link 18's top is hollow, fixed with gear one 16's bottom surface, spline 19 is located telescopic link 18's inside, when telescopic link 18 shrink top gear one 16 slides downwards on spline 19, gear one 16 breaks away from the meshing with gear two 17, at this moment, start motor 5 drives gear two 17 rotation, gear two 17 rotation drives one of them cone one 11 rotation, and then drive one of them 12 rotation, the chain 12 rotates through meshing side band gear two 13 rotation, gear two 13 rotation drives another chain 12 rotation, gear one 11 that corresponds is followed to rotate, gear one 16 also follows the rotation this moment, drive telescopic link 18 rotates in casing 4's inside, gear two 13 rotation drives vertical scroll 9 rotation, vertical scroll 9 rotation drives operation case 3 and optometry device rotation, thereby realize optometry device's rotation.

The implementation principle of the utility model is as follows: when the face of the person to be tested is placed on the jaw support but is deflected to one side by visual sense, the motor 5 rotates to drive the optometry device to translate towards the side deflected by the face through the two chains 12, and at the moment, the optometry device deflects a certain angle to face the visual sense direction of the face according to the deflection angle of the face, so that the visual sense direction of the face can be realigned, and the movement and rotation of the optometry device are controlled by an automatic focus following system in the operation box 3.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of various changes and modifications without departing from the spirit and scope of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an optometry ware camera lens rotary device, includes platen (1), its characterized in that: the novel gear box is characterized in that four rotating shafts (15) are rotatably connected to the inside of the bedplate (1), each rotating shaft (15) is fixedly connected with a first gear wheel (11) at the top end, two chains (12) are arranged above the bedplate (1), each chain (12) is meshed with the corresponding two first gear wheels (11), a sliding groove (14) is formed in the upper surface of the bedplate (1), a sliding block (20) is slidably connected to the inner side wall of the sliding groove (14), a vertical shaft (9) is fixedly connected to the upper surface of the sliding block (20), a second gear wheel (13) is fixedly connected to the outer surface of the vertical shaft (9), and the second gear wheel (13) is meshed with the two chains (12).

2. The optometry lens rotating apparatus of claim 1, wherein: the outer surface of the vertical shaft (9) is rotationally connected with an operation table (2), a through groove (6) is formed in the operation table (2), four support rods (8) are fixedly connected to the bottom surface of the operation table (2), and the bottom ends of the support rods (8) are fixedly connected with the bedplate (1).

3. The optometry lens rotating apparatus of claim 2, wherein: the inner side wall of the through groove (6) is provided with a deep groove (7), the inner side wall of the deep groove (7) is in sliding contact with a moving ring (10), and the inner side wall of the moving ring (10) is rotationally connected with the vertical shaft (9).

4. The optometry lens rotating apparatus of claim 1, wherein: the top of the vertical shaft (9) is fixedly connected with an operation box (3), and the upper surface of the operation box (3) is fixedly connected with an optometry device.

5. The optometry lens rotating apparatus of claim 1, wherein: the lower part of the bedplate (1) is provided with a first gear (16) and a second gear (17), the first gear (16) and the second gear (17) are respectively and fixedly connected with a corresponding rotating shaft (15), and the first gear (16) and the second gear (17) are meshed.

6. The optometry lens rotating apparatus of claim 1, wherein: the bottom surface fixedly connected with casing (4) of platen (1), the surface fixedly connected with motor (5) of casing (4), the output and the gear two (17) of motor (5) are fixed connection.

7. The optometry lens rotating apparatus of claim 6, wherein: the inside rotation of casing (4) is connected with telescopic link (18), the top and the gear one (16) fixed connection of telescopic link (18), the inside sliding connection of gear one (16) has spline (19), the top and the pivot (15) fixed connection that correspond of spline (19).