CN114296238A

CN114296238A - Pupil distance diopter rotation adjusting mechanism

Info

Publication number: CN114296238A
Application number: CN202111599246.1A
Authority: CN
Inventors: 彭华军; 刘冬华; 王冲
Original assignee: Shenzhen Ned Optics Co Ltd
Current assignee: Shenzhen Ned Optics Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-04-08

Abstract

The invention relates to a pupil distance diopter rotation adjusting mechanism which comprises a main body frame, wherein a left ocular, a right ocular, a left display screen and a right display screen are arranged on the main body frame, and the left display screen and the right display screen are arranged corresponding to the left ocular and the right ocular; a diopter adjusting component for adjusting the distance between the display screen on one side and the ocular and a pupil distance adjusting component for adjusting the left movement or the right movement of the ocular on one side are arranged on the side edge of the ocular; the diopter adjusting component is in driving connection with the display screen; the pupil distance adjusting component is in driving connection with the ocular; diopter adjusting element is rotatable structure with interpupillary distance adjusting element. The adjusting mechanism can accurately control the diopter and the interpupillary distance of a single eye and can enable both eyes to be adjusted to the best use state. The operation is convenient, can accomplish the operation that diopter and interpupillary distance were adjusted in same position, has improved the use of intelligent glasses greatly and has experienced.

Description

Pupil distance diopter rotation adjusting mechanism

Technical Field

The invention relates to the technical field of intelligent hardware, in particular to a pupil distance diopter rotation adjusting mechanism.

Background

Smart glasses (also known as mobile media players, head-mounted displays) are wearable devices that use optical technology to guide video image light emitted from a miniature image display (e.g., a transmissive or reflective liquid crystal display, an organic electroluminescent device, a DMD device) to the pupils of a user, so as to implement virtual and magnified images within the near-eye range of the user, and provide visual and visible images, video and text information for the user.

In order to achieve a better display effect, when a user wears the intelligent glasses, the user needs to tightly attach the eyes and the face around the eyes to the intelligent glasses, so that the user with poor eyesight can not use the glasses while using the intelligent glasses, the pictures seen by the user can be fuzzy, and the use experience is greatly influenced. Therefore, the smart glasses on the market at present provide diopter and interpupillary distance adjustment function for the user can adjust the diopter and the interpupillary distance of smart glasses after wearing smart glasses, makes the user need not to wear glasses when using smart glasses and also can see clear picture.

The diopter and interpupillary distance adjustment of the existing intelligent glasses mainly comprises the following adjustment modes: (1) the cam and the thread are arranged inside, and the manual roller is arranged outside for adjustment; (2) sliding adjustment is carried out through an external toggle key; (3) realize the binocular simultaneous control through the gear train, external manual gyro wheel is adjusted. However, the adjusting modes have the defects of inconvenient operation, poor sliding adjustment driving precision, incapability of independently correcting the difference of the left eye and the right eye and the like, and the use experience of the intelligent glasses is greatly influenced.

Disclosure of Invention

The invention aims to solve the technical problems that the diopter and interpupillary distance adjustment of the existing intelligent glasses has the defects of inconvenient operation, poor sliding adjustment driving precision, incapability of independently correcting the difference of the left eye and the right eye and the like, and provides a interpupillary distance diopter rotation adjusting mechanism aiming at the defects in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: constructing a pupil distance diopter rotation adjusting mechanism, which comprises a main body frame, wherein a left ocular, a right ocular, a left display screen and a right display screen are arranged on the main body frame and correspond to the left ocular and the right ocular; a diopter adjusting component used for adjusting the distance between the display screen on one side and the ocular and a pupil distance adjusting component used for adjusting the left movement or the right movement of the ocular on one side are arranged on the side edge of the ocular; the diopter adjusting component is in driving connection with the display screen; the pupil distance adjusting assembly is in driving connection with the ocular; diopter adjusting part with interpupillary distance adjusting part is rotatable structure.

Further, the pupil distance adjusting assembly comprises a first screw, a first knob and a first transmission piece; the first knob is in driving connection with the first screw rod through the first transmission piece; the first screw rod is in driving connection with the ocular.

Further, the first transmission piece comprises a first bracket, a first connecting piece arranged on the first bracket and a first driving gear; the first driving gear is positioned on one side, facing the eyepiece, of the first connecting piece, and the first knob is positioned on one side, facing away from the eyepiece, of the first connecting piece; the first driving gear and the first knob are connected with the first connecting piece.

Furthermore, a first driven gear in meshed connection with the first driving gear is arranged on the first support; and a second driven gear in meshed connection with the first driven gear is arranged on the first screw rod.

Furthermore, a first thread block is arranged on the ocular; the main body frame is provided with a limiting hole; the first screw penetrates through the limiting hole and the first thread block and is in driving connection with the first thread block.

Furthermore, a plurality of clamping grooves are formed in the first connecting piece; a first spring and a first steel ball are arranged on the first support; the first steel ball is pushed into the clamping groove by the first spring.

Further, the diopter adjustment assembly comprises a movable frame; the movable rack is arranged on the eyepiece, and the display screen is arranged in the movable rack.

Further, the diopter adjusting component comprises a second screw rod, a second knob and a second transmission piece; the second screw rod is in driving connection with the second knob through the second transmission piece; the second screw rod is in driving connection with the movable frame.

Further, the second transmission member includes: the second support is arranged on the first support, and the second connecting piece penetrates through the second support, the first driving gear and the first connecting piece; the second knob is connected with the second connecting piece.

Further, the second transmission member further includes: a second driving gear provided on the second link, and a third driven gear provided on the second screw; the second driving gear is in meshed connection with the third driven gear.

Furthermore, a first connecting block is arranged on the side edge of the movable frame; a second thread block is arranged in the first connecting block; the second screw rod penetrates through the second thread block and is in driving connection with the second thread block.

Furthermore, a rotating gear is arranged on the second connecting piece; a second spring and a second steel ball are arranged on the second bracket; and the second spring pushes the second steel ball into the space between the gear teeth of the rotating gear.

Furthermore, a first guide shaft is arranged on the moving frame; a first through hole is formed in the eyepiece; the first guide shaft is disposed in the first through hole.

Furthermore, a second connecting block and a second guide shaft penetrating through the second connecting block are arranged on the ocular; and a second through hole is formed in the main body frame, and two ends of the second guide shaft are respectively arranged in the second through hole.

The invention has the beneficial effects that: through set up interpupillary distance adjusting part and diopter adjusting part respectively at left and right eyepiece and display screen, diopter and the interpupillary distance that can accurate control monocular can make the binocular homoenergetic adjust to best user state. Wherein, interpupillary distance adjusting part all sets up at the eyepiece side with diopter adjusting part, same position promptly, and interpupillary distance adjusting part is rotatable structure with diopter adjusting part, all can independently rotate the regulation, and the operation is convenient, can accomplish the operation that diopter and interpupillary distance were adjusted at same position, has improved the use experience of intelligent glasses greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:

fig. 1 is an exploded schematic view of a interpupillary distance diopter rotation adjustment mechanism according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the embodiment of the present invention at B in FIG. 1;

fig. 4 is a schematic structural view of a interpupillary distance diopter rotation adjusting mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic top view of a diopter adjustment assembly and a pupil distance adjustment assembly of a right eye according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view at C-C of FIG. 5 in accordance with an embodiment of the present invention;

fig. 7 is a schematic front view of a interpupillary distance diopter rotation adjustment mechanism for the left eye according to the embodiment of the present invention;

fig. 8 is a schematic front view of a diopter adjustment assembly and a pupil distance adjustment assembly of a left eye according to an embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view taken at D-D in FIG. 8 according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a first connecting element according to an embodiment of the present invention.

In the figure, 1, a main body frame; 2. an eyepiece; 11. a limiting hole; 12. a second through hole; 21. a first through hole; 22. a second connecting block; 23. a second guide shaft; 31. a movable frame; 32. a second screw; 33. a second knob; 34. a second bracket; 35. a second connecting member; 36. a second drive gear; 37. a third driven gear; 38. a second thread block; 41. a first screw; 42. a first knob; 43. a first bracket; 44. a first connecting member; 45. a first drive gear; 46. a first driven gear; 47. a second driven gear; 48. a first thread block; 311. a first connection block; 312. a first guide shaft; 341. a second spring; 342. a second steel ball; 351. a rotating gear; 431. a first spring; 432. a first steel ball; 441. a clamping groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.

As shown in fig. 1 to 10, an embodiment of the present invention provides a pupil distance diopter rotation adjusting mechanism, which includes a main body frame 1, wherein the main body frame 1 is provided with a left ocular 2, a right ocular 2, and a left display screen and a right display screen (not shown in the figures) which are arranged corresponding to the left ocular 2 and the right ocular 2; a diopter adjusting component for adjusting the distance between the display screen on one side and the ocular 2 and a pupil distance adjusting component for adjusting the left movement or the right movement of the ocular 2 on one side are arranged on the side edge of the ocular 2; the diopter adjusting component is in driving connection with the display screen; the pupil distance adjusting component is in driving connection with the ocular 2; diopter adjusting element is rotatable structure with interpupillary distance adjusting element.

The diopter adjusting component is in driving connection with the display screen on the single side and used for adjusting the distance between the display screen on the single side and the eyepiece 2. The pupil distance adjusting component is in driving connection with the ocular 2 on one side and is used for moving the ocular 2 on one side leftwards or rightwards. Diopter adjusting part all sets up at 2 sides of eyepiece with interpupillary distance adjusting part, and diopter adjusting part and interpupillary distance adjusting part are integrated in an organic whole, but both are rotatable structure again, can all carry out independent rotation promptly, mutual noninterference.

This scheme of adoption, through set up interpupillary distance adjusting part and diopter adjusting part respectively at left and right eyepiece 2 and display screen, diopter and the interpupillary distance that can accurate control monocular can make the binocular homoenergetic adjust to best user state. Wherein, interpupillary distance adjusting part all sets up at 2 sides of eyepiece, same position promptly with diopter adjusting part, and interpupillary distance adjusting part is rotatable structure with diopter adjusting part, and all independently rotate the regulation, and the operation is convenient, can accomplish the operation that diopter and interpupillary distance were adjusted at same position, has improved the use experience of intelligent glasses greatly.

In a further embodiment, the pupil distance adjusting assembly comprises a first screw 41, a first knob 42 and a first transmission member; the first knob 42 is in driving connection with the first screw rod 41 through a first transmission piece; the first screw 41 is in driving connection with the eyepiece 2.

By rotating the first knob 42, power is input, and the power is transmitted through the first transmission member and then reaches the first screw rod 41, so that the first screw rod 41 rotates along with the rotation of the first knob 42, and the one-sided eyepiece 2 is driven to move left or right. Through adjusting left and right eyepiece 2 respectively and moving left or move right, but the interpupillary distance of accurate control monocular for left and right eyepiece 2's position can with patient's eye phase-match, and the best user state can be adjusted to the binocular homoenergetic.

In a further embodiment, the first transmission member includes a first bracket 43, a first link 44 provided on the first bracket 43, and a first drive gear 45; the first driving gear 45 is positioned on one side of the first connecting piece 44 facing the ocular 2, and the first knob 42 is positioned on one side of the first connecting piece 44 facing away from the ocular 2; the first driving gear 45 and the first knob 42 are connected to the first connecting member 44.

The first bracket 43 is provided with a first mounting portion, and the first mounting portion is provided with a first circular hole for accommodating the first connecting member 44. The first connecting member 44 is disposed in the first circular hole and is fixedly connected to the first driving gear 45 and the first knob 42 through screws, respectively, so that when the knob is rotated, the first driving gear 45 is rotated along with the rotation of the first knob 42.

In a further embodiment, the first bracket 43 is provided with a first driven gear 46 in meshing connection with the first driving gear 45; the first screw 41 is provided with a second driven gear 47 engaged with the first driven gear 46.

The first mounting portion is provided with a mounting position, the first driven gear 46 is mounted on the mounting position and can rotate but cannot move, the second driven gear 47 is fixed on the first screw rod 41 through a screw, and when the second driven gear 47 rotates, the first screw rod 41 rotates together with the second driven gear 47. Rotate first knob 42, first drive gear 45 rotates, and first drive gear 45 drives first driven gear 46 and rotates, and then drives second driven gear 47 and first screw rod 41 and rotate, and first screw rod 41 drives unilateral eyepiece 2 and moves left or move right, but the interpupillary distance of accurate control monocular for left and right eyepiece 2's position can with patient's eye phase-match, and the best user state can be adjusted to the eyes homoenergetic.

The first driving gear 45, the first driven gear 46 and the second driven gear 47 are spur gears.

In a further embodiment, the eyepiece 2 is provided with a first threaded block 48; a limiting hole 11 is arranged on the main body frame 1; the first screw 41 passes through the limiting hole 11 and the first thread block 48, and is in driving connection with the first thread block 48.

The first screw rod 41 is in threaded connection with the first thread block 48, and the limiting hole 11 is used for limiting the position of the first screw rod 41 during rotation so as to prevent the first screw rod from driving the eyepiece 2 to move back and forth. One end of the first screw 41 is restricted by the main body frame 1, and the other end is restricted by the fitting of the second driven gear 47 and the first driven gear 46 and the installation position, and can only rotate but cannot move left and right. During adjustment, the first knob 42 is rotated, the first driving gear 45 rotates, the first driving gear 45 drives the first driven gear 46 to rotate, the second driven gear 47 is driven to rotate with the first screw rod 41, the first screw rod 41 drives the first thread block 48 to move left or right, the ocular 2 on one side is driven to move left or right, the interpupillary distance of one eye can be accurately controlled, the positions of the left ocular 2 and the right ocular 2 can be matched with eyes of a patient, and the optimal use state can be adjusted by both eyes.

In a further embodiment, the diopter adjustment assembly comprises a mobile frame 31; the moving frame 31 is provided on the eyepiece 2, and the display screen is provided in the moving frame 31.

The display screen is fixed to be set up in removing frame 31, removes frame 31 and sets up on eyepiece 2, and can carry out reciprocating motion for eyepiece 2, and then adjusts the distance between unilateral eyepiece 2 and the display screen, realizes diopter and adjusts.

In a further embodiment, the diopter adjustment assembly comprises a second screw 32, a second knob 33 and a second transmission member; the second screw 32 is in driving connection with the second knob 33 through a second transmission piece; the second screw 32 is drivingly connected to the movable frame 31.

The second knob 33 is rotated to input power, and the power is transmitted to the second screw rod 32 through the second transmission member, so that the second screw rod 32 rotates along with the rotation of the second knob 33, and further the moving frame 31 on one side is driven to move forwards or backwards relative to the ocular 2, so as to adjust the distance between the ocular 2 on one side and the display screen, and adjust diopter. The diopter of a single eye can be accurately controlled, so that the diopter of the left eye and the diopter of the right eye can be matched with the eye condition of a patient, and both eyes can be adjusted to the optimal use state.

In a further embodiment, the second transmission comprises: a second bracket 34 provided on the first bracket 43, and a second link 35 penetrating the second bracket 34, the first drive gear 45, and the first link 44; the second knob 33 is connected to a second connecting member 35.

The second bracket 34 is fixed to the bottom of the first bracket 43 by screws. The second bracket 34 is provided with a second mounting portion, the second mounting portion is provided with a second round hole corresponding to the first round hole, and the second connecting member 35 penetrates through the second round hole. One end of the second knob 33 is provided with a protruding shaft, the protruding shaft penetrates through the middle of the first knob 42, one end of the second connecting piece 35 respectively penetrates through the first driving gear 45 and the first connecting piece 44, and is connected with the second knob 33 through a screw, so that when the second knob 33 rotates, the second connecting piece 35 can be driven to rotate together. Wherein, the second connecting piece 35 and the second knob 33 have a certain clearance in the combination with the first knob 42, the first connecting piece 44 and the first driving gear 45, so that even if the first knob 42 and the second knob 33 are arranged at the same position, the rotation of the first knob 42, the first connecting piece 44 and the first driving gear 45 and the rotation of the second knob 33 and the second connecting piece 35 are not interfered with each other, two groups of components can rotate independently, and diopter and interpupillary distance adjustment on one side is performed respectively. The first knob 42 and the second knob 33 are arranged adjacently, the pupil distance or diopter of a single side can be adjusted by slightly rotating the first knob 42 or the second knob 33 at the same position, operation is convenient, and use experience of the intelligent glasses is improved.

In a further embodiment, the second transmission further comprises: a second driving gear 36 provided on the second link 35, and a third driven gear 37 provided on the second screw 32; the second drive gear 36 is in meshing engagement with the third driven gear 37.

One end of the second connecting member 35 is provided with a rotating gear 351, and the second driving gear 36 is fixedly connected with the rotating gear 351 through a screw. The third driven gear 37 is fixedly connected to the second spindle 32 by screw fastening, so that the second spindle 32 rotates together with the third driven gear 37. The second drive gear 36 and the third driven gear 37 are both bevel gears. Through setting up rotating gear 351 for second connecting piece 35 is when rotating, and its left side receives the spacing of second drive gear 36 and third driven gear 37, and the right side receives the spacing of rotating gear 351 and second bulge, prevents that second knob 33 from rotating the in-process and breaking away from the position.

In a further embodiment, the movable frame 31 is provided with a first connecting block 311 at a side thereof; the first connecting block 311 is provided with a second thread block 38; the second screw 32 passes through the second screw block 38 and is drivingly connected to the second screw block 38.

The first connection block 311 is fixed to a sidewall of the moving frame 31 by a screw, and the second screw block 38 is fixedly disposed in the first connection block 311. The second screw 32 is drivingly connected to the second threaded block 38. The second bracket 34 is provided with a concave position, and the second screw 32 is erected on the concave position and limited, and can only rotate but cannot move back and forth. The second knob 33 is rotated, the second connecting piece 35 rotates to drive the second driving gear 36 to rotate, and further the third driven gear 37 and the second screw 32 are driven to rotate together, the second screw 32 drives the second thread block 38 to move forwards or backwards, so that the moving frame 31 moves forwards or backwards along with the second thread block 38, the distance between the eyepiece 2 on one side and the display screen is adjusted, and diopter adjustment on one side is achieved.

In a further embodiment, the moving frame 31 is provided with a first guide shaft 312; the ocular 2 is provided with a first through hole 21; the first guide shaft 312 is disposed in the first through hole 21.

Through the cooperation of the first guide shaft 312 and the first through hole 21, the movable frame 31 keeps moving forward or backward linearly when being driven, and the position between the display screen and the eyepiece 2 is prevented from deviating.

In a further embodiment, the eyepiece 2 is provided with a second connecting block 22 and a second guide shaft 23 penetrating through the second connecting block 22; the main body frame 1 is provided with a second through hole 12, and two ends of the second guide shaft 23 are respectively arranged in the second through hole 12.

Through the cooperation of second guiding axle 23 and second through-hole 12, combine first screw rod 41 and spacing hole 11's cooperation, carry on spacingly to the eyepiece 2 of unilateral, the condition of back-and-forth movement appears in eyepiece 2 when preventing to adjust the interpupillary distance.

In a further embodiment, the first connecting member 44 is provided with a plurality of slots 441; a first spring 431 and a first steel ball 432 are arranged on the first bracket 43; the first spring 431 pushes the first steel ball 432 into the card slot 441. The second connecting piece 35 is provided with a rotating gear 351; a second spring 341 and a second steel ball 342 are arranged on the second bracket 34; the second spring 341 pushes the second steel ball 342 between the gear teeth of the rotating gear 351.

The side wall of the bottom of the first circular hole can be provided with a first mounting hole, the first spring 431 and the first steel ball 432 are arranged in the first mounting hole, and the first steel ball 432 is pushed into the clamping groove 441 by the elastic force of the first spring 431. When the interpupillary distance is adjusted, the first knob 42 is rotated, and the first spring 431 pushes the first steel ball 432 into one of the card slots 441 of the first connecting member 44 whenever the card slot 441 reaches the first mounting hole. Similarly, the second bracket 34 is provided with two protruding blocks below the rotating gear 351, the protruding blocks are provided with second mounting holes, the second spring 341 and the second steel ball 342 are arranged in the second mounting holes, and the second steel ball 342 is pushed into a gap between the teeth of the rotating gear 351 by the elastic force of the second spring 341. Furthermore, through the cooperation of the spring and the steel ball, the regulation can make a sound, such as ' Da, Da · · · · · · · · · · · · ·, each ' Da ' sound is just one gear. Realize first knob 42 and the multistage adjustment of second knob 33, the accurate default that adjusts.

By adopting the scheme, the first knob 42 and the second knob 33 are arranged adjacently, and the required knob can be slightly screwed at the same position to complete the adjustment of diopter or interpupillary distance, so that the operation is convenient. And multi-stage adjustment is realized between the first knob 42 and the second knob 33, and the adjustment is accurately carried out to a preset value. Can carry out the diopter and the interpupillary distance of unilateral respectively and adjust, the interpupillary distance and the diopter of accurate control monocular for left and right eyepiece 2's position can be with patient's eye phase-match, and the best user state can be adjusted to the binocular homoenergetic.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a interpupillary distance diopter rotation regulation mechanism, includes main body frame, its characterized in that: the main body frame is provided with a left ocular, a right ocular, a left display screen and a right display screen which are arranged corresponding to the left ocular and the right ocular; a diopter adjusting component used for adjusting the distance between the display screen on one side and the ocular and a pupil distance adjusting component used for adjusting the left movement or the right movement of the ocular on one side are arranged on the side edge of the ocular; the diopter adjusting component is in driving connection with the display screen; the pupil distance adjusting assembly is in driving connection with the ocular; diopter adjusting part with interpupillary distance adjusting part is rotatable structure.

2. The interpupillary distance diopter rotation adjustment mechanism of claim 1 wherein the interpupillary distance adjustment assembly comprises a first screw, a first knob and a first transmission member; the first knob is in driving connection with the first screw rod through the first transmission piece; the first screw rod is in driving connection with the ocular.

3. The interpupillary distance diopter rotation adjustment mechanism of claim 2 wherein the first transmission member comprises a first support, a first connecting member provided on the first support, and a first driving gear; the first driving gear is positioned on one side, facing the eyepiece, of the first connecting piece, and the first knob is positioned on one side, facing away from the eyepiece, of the first connecting piece; the first driving gear and the first knob are connected with the first connecting piece.

4. The interpupillary distance diopter rotation adjusting mechanism according to claim 3, wherein a first driven gear meshed with the first driving gear is provided on the first support; and a second driven gear in meshed connection with the first driven gear is arranged on the first screw rod.

5. The interpupillary distance diopter rotation adjustment mechanism of claim 3 wherein said eyepiece is provided with a first threaded block; the main body frame is provided with a limiting hole; the first screw penetrates through the limiting hole and the first thread block and is in driving connection with the first thread block.

6. The interpupillary distance diopter rotation adjustment mechanism of claim 3, wherein a plurality of slots are provided on the first connecting member; a first spring and a first steel ball are arranged on the first support; the first steel ball is pushed into the clamping groove by the first spring.

7. The interpupillary distance diopter rotation adjustment mechanism of claim 2 wherein the diopter adjustment assembly comprises a moving frame; the movable rack is arranged on the eyepiece, and the display screen is arranged in the movable rack.

8. The interpupillary distance diopter rotation adjustment mechanism of claim 7 wherein the diopter adjustment assembly comprises a second screw, a second knob, and a second transmission member; the second screw rod is in driving connection with the second knob through the second transmission piece; the second screw rod is in driving connection with the movable frame.

9. The interpupillary distance diopter rotation adjustment mechanism of claim 8 wherein said second transmission member comprises: the second support is arranged on the first support, and the second connecting piece penetrates through the second support, the first driving gear and the first connecting piece; the second knob is connected with the second connecting piece.

10. The interpupillary distance diopter rotation adjustment mechanism of claim 9 wherein said second transmission member further comprises: a second driving gear provided on the second link, and a third driven gear provided on the second screw; the second driving gear is in meshed connection with the third driven gear.

11. The interpupillary distance diopter rotation adjustment mechanism according to claim 8, wherein a first connecting block is provided on a side of the moving frame; a second thread block is arranged in the first connecting block; the second screw rod penetrates through the second thread block and is in driving connection with the second thread block.

12. The interpupillary distance diopter rotation adjustment mechanism of claim 9 wherein said second connecting member is provided with a rotation gear; a second spring and a second steel ball are arranged on the second bracket; and the second spring pushes the second steel ball into the space between the gear teeth of the rotating gear.

13. The interpupillary distance diopter rotation adjustment mechanism according to claim 7, wherein a first guide shaft is provided on the moving frame; a first through hole is formed in the eyepiece; the first guide shaft is disposed in the first through hole.

14. The interpupillary distance diopter rotation adjustment mechanism according to claim 1, wherein a second connecting block and a second guide shaft passing through the second connecting block are provided on the eyepiece; and a second through hole is formed in the main body frame, and two ends of the second guide shaft are respectively arranged in the second through hole.