CN114296238A - Pupil distance diopter rotation adjusting mechanism - Google Patents

Abstract

The invention relates to an interpupillary distance diopter rotation adjustment mechanism. The adjustment mechanism comprises a main body frame. The main body frame is provided with left and right eyepieces, and left and right display screens corresponding to the left and right eyepieces; A diopter adjustment component for adjusting the distance between the display screen and the eyepiece on one side, and an interpupillary distance adjustment component for adjusting the left or right shift of the unilateral eyepiece; the diopter adjustment component is driven and connected with the display screen; the interpupillary distance adjustment component is connected with the eyepiece Drive connection; both the diopter adjustment component and the interpupillary distance adjustment component are rotatable structures. The adjustment mechanism can precisely control the diopter and interpupillary distance of one eye, so that both eyes can be adjusted to the best use state. The operation is convenient, and the adjustment of diopter and interpupillary distance can be completed in the same position, which greatly improves the experience of using smart glasses.

Description

A kind of interpupillary distance diopter rotation adjustment mechanism

technical field

The invention relates to the technical field of intelligent hardware, and more particularly, to an interpupillary distance and diopter rotation adjustment mechanism.

Background technique

Smart glasses (aka mobile media players, head-mounted displays) are wearable devices that use optical technology to transmit a The video image light is guided to the user's pupil, and a virtual and enlarged image is realized in the user's near-eye range, providing the user with intuitive and visible images, video and text information.

In order to achieve a better display effect, when users wear smart glasses, they need to keep their eyes and the face around the eyes close to the smart glasses, so that some users with poor eyesight cannot use the smart glasses at the same time, so that they can see The screen will also be blurry, which greatly affects the user experience. Therefore, the current smart glasses on the market provide diopter and interpupillary distance adjustment functions, so that users can adjust the diopter and interpupillary distance of the smart glasses after wearing the smart glasses, so that the user can see clearly without wearing glasses when using the smart glasses screen.

The diopter and interpupillary distance adjustment of existing smart glasses mainly include the following adjustment methods: (1) using built-in cams, threads, and external manual roller adjustment; (2) sliding adjustment through external toggle keys; (3) through The gear train realizes binocular simultaneous adjustment, and external manual roller adjustment. However, these adjustment methods have disadvantages such as inconvenient operation, poor sliding adjustment drive accuracy, and inability to independently correct the differences between the left eye and the right eye, which greatly affects the experience of using smart glasses.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is that the adjustment of the diopter and the interpupillary distance of the existing smart glasses has disadvantages such as inconvenient operation, poor sliding adjustment driving precision, and inability to independently correct the difference of the left eye and the right eye respectively. , to provide an interpupillary distance diopter rotation adjustment mechanism.

The technical solution adopted by the present invention to solve the technical problem is as follows: constructing an interpupillary distance diopter rotation adjustment mechanism, including a main body frame, and the main body frame is provided with left and right eyepieces, and left and right eyepieces corresponding to the left and right eyepieces. Right display screen; the side of the eyepiece is provided with a diopter adjustment component for adjusting the distance between the display screen and the eyepiece on one side, and the interpupillary distance for adjusting the left or right movement of the eyepiece on one side an adjustment component; the diopter adjustment component is drivingly connected with the display screen; the interpupillary distance adjustment component is drivingly connected with the eyepiece; both the diopter adjustment component and the interpupillary distance adjustment component are rotatable structures.

Further, the interpupillary distance adjustment assembly includes a first screw, a first knob, and a first transmission member; the first knob and the first screw are drivingly connected through the first transmission member; the first The screw is drivingly connected with the eyepiece.

Further, the first transmission member includes a first bracket, a first connecting member disposed on the first bracket, and a first driving gear; the first driving gear is located on the first connecting member facing the On one side of the eyepiece, the first knob is located on the side of the first connecting piece facing away from the eyepiece; the first driving gear and the first knob are both connected with the first connecting piece.

Further, the first bracket is provided with a first driven gear meshed with the first drive gear; the first screw is provided with a second driven gear meshed with the first driven gear gear.

Further, the eyepiece is provided with a first threaded block; the main body frame is provided with a limit hole; the first screw rod passes through the limit hole and the first threaded block, and is connected with the first threaded block. Threaded block drive connection.

Further, the first connecting piece is provided with a plurality of slots; the first bracket is provided with a first spring and a first steel ball; the first spring pushes the first steel ball into the slot .

Further, the diopter adjustment assembly includes a moving frame; the moving frame is arranged on the eyepiece, and the display screen is arranged in the moving frame.

Further, the diopter adjustment assembly includes a second screw rod, a second knob and a second transmission member; the second screw rod and the second knob are driven and connected through the second transmission member; the second screw rod Drive connected with the moving frame.

Further, the second transmission member includes: a second bracket disposed on the first bracket, and a second connecting member penetrating the second bracket, the first driving gear and the first connecting member; the first Two knobs are connected with the second connecting piece.

Further, the second transmission member further comprises: a second driving gear arranged on the second connecting member, and a third driven gear arranged on the second screw; the second driving gear and The third driven gear is in meshing connection.

Further, a first connection block is arranged on the side of the moving frame; a second thread block is arranged in the first connection block; the second screw rod passes through the second thread block and is connected with the second thread block. Threaded block drive connection.

Further, the second connecting piece is provided with a rotating gear; the second bracket is provided with a second spring and a second steel ball; the second spring pushes the second steel ball into the wheel of the rotating gear between the teeth.

Further, the moving frame is provided with a first guide shaft; the eyepiece is provided with a first through hole; the first guide shaft is arranged in the first through hole.

Further, the eyepiece is provided with a second connection block and a second guide shaft passing through the second connection block; the main body frame is provided with a second through hole, and both ends of the second guide shaft are respectively provided in the second through hole.

The beneficial effects of the present invention are: by setting the pupil distance adjustment component and the diopter adjustment component on the left and right eyepieces and the display screen respectively, the diopter and pupil distance of a single eye can be precisely controlled, and both eyes can be adjusted to the best use state. Among them, the interpupillary distance adjustment component and the diopter adjustment component are both arranged on the side of the eyepiece, that is, in the same position, and both the interpupillary distance adjustment component and the diopter adjustment component are rotatable structures, and they can be independently rotated and adjusted, and the operation is convenient. The operation of diopter and interpupillary distance adjustment is completed, which greatly improves the experience of using smart glasses.

Description of 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 below with reference to the accompanying drawings and embodiments. Ordinary technicians can also obtain other drawings based on these drawings without creative labor:

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

Fig. 2 is the enlarged schematic diagram of place A in Fig. 1 according to the embodiment of the present invention;

Fig. 3 is the enlarged schematic diagram of the place B in Fig. 1 of the embodiment of the present invention;

4 is a schematic structural diagram of an interpupillary distance diopter rotation adjustment mechanism according to an embodiment of the present invention;

5 is a schematic top view of a diopter adjustment component and an interpupillary distance adjustment component of the right eye according to an embodiment of the present invention;

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

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

8 is a schematic front view of a diopter adjustment component and an interpupillary distance adjustment component of the left eye according to an embodiment of the present invention;

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

FIG. 10 is a schematic structural diagram of a first connector according to an embodiment of the present invention.

In the figure, 1, the main body frame; 2, the eyepiece; 11, the limit hole; 12, the second through hole; 21, the first through hole; 22, the second connecting block; 23, the second guide shaft; 31, the moving frame 32, the second screw; 33, the second knob; 34, the second bracket; 35, the second connector; 36, the second drive gear; 37, the third driven gear; 38, the second threaded block; 41, 42, the first knob; 43, the first bracket; 44, the first connecting piece; 45, the first driving gear; 46, the first driven gear; 47, the second driven gear; 48, the first 311, the first connecting block; 312, the first guide shaft; 341, the second spring; 342, the second steel ball; 351, the rotating gear; 431, the first spring; 432, the first steel ball; 441, the card slot .

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the following will describe clearly and completely the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, and Not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in FIG. 1 to FIG. 10 , the embodiment of the present invention provides an interpupillary distance and diopter rotation adjustment mechanism, which includes a main body frame 1 , and left and right eyepieces 2 are provided on the main body frame 1 , and corresponding to the left and right eyepieces 2 The left and right display screens (not shown in the figure); the side of the eyepiece 2 is provided with a diopter adjustment component for adjusting the distance between the display screen and the eyepiece 2 on one side, and the eyepiece 2 for adjusting the left or right Displaced interpupillary distance adjustment component; the diopter adjustment component is drivingly connected with the display screen; the interpupillary distance adjustment component is drivingly connected with the eyepiece 2 ; the diopter adjustment component and the interpupillary distance adjustment component are both rotatable structures.

The diopter adjustment component is drivingly connected with the display screen on one side, and is used to adjust the distance between the display screen on the one side and the eyepiece 2. The interpupillary distance adjustment component is drivingly connected with the unilateral eyepiece 2, and is used for the unilateral eyepiece 2 to move left or right. The diopter adjustment component and the interpupillary distance adjustment component are both arranged on the side of the eyepiece 2, and the diopter adjustment component and the interpupillary distance adjustment component are integrated into one body, but both are rotatable structures, that is, they can be rotated independently without interfering with each other.

With this solution, the pupil distance adjustment component and the diopter adjustment component are respectively arranged on the left and right eyepieces 2 and the display screen, so that the diopter and pupil distance of a single eye can be precisely controlled, and both eyes can be adjusted to the best use state. Among them, the interpupillary distance adjustment component and the diopter adjustment component are both arranged on the side of the eyepiece 2, that is, in the same position, and the interpupillary distance adjustment component and the diopter adjustment component are both rotatable structures, and both can be independently rotated and adjusted, and the operation is convenient. The operation of diopter and interpupillary distance adjustment can be completed, which greatly improves the experience of using smart glasses.

In a further embodiment, the interpupillary distance adjustment assembly includes a first screw 41, a first knob 42 and a first transmission member; the first knob 42 and the first screw 41 are drivingly connected through a first transmission member; the first screw 41 Connect with eyepiece 2 drive.

By rotating the first knob 42, input power, and the power reaches the first screw 41 after being transmitted by the first transmission member, so that the first screw 41 rotates with the rotation of the first knob 42, thereby driving the unilateral eyepiece 2 to move left or Move right. By adjusting the left and right eyepieces 2 to move left or right respectively, the interpupillary distance of one eye can be precisely controlled, so that the positions of the left and right eyepieces 2 can match the patient's eyes, and both eyes can be adjusted to the best use state.

In a further embodiment, the first transmission member includes a first bracket 43 , a first connecting member 44 disposed on the first bracket 43 , and a first driving gear 45 ; the first driving gear 45 is located in the direction of the first connecting member 44 . On one side of the eyepiece 2 , the first knob 42 is located on the side of the first connecting piece 44 facing away from the eyepiece 2 ; the first driving gear 45 and the first knob 42 are both connected with the first connecting piece 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 piece 44 . The first connecting piece 44 is disposed in the first round hole, and is respectively fixedly connected with the first driving gear 45 and the first knob 42 by screws, so that when the knob is rotated, the first driving gear 45 is rotated with the rotation of the first knob 42 . turn.

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 46 in meshing connection with the first driven gear 46 . moving gear 47.

There is an installation position on the first installation part, the first driven gear 46 is installed on the installation position, can rotate but cannot move, the second driven gear 47 is fixed on the first screw 41 by screws, and the second driven gear 47 During rotation, the first screw 41 rotates together with the second driven gear 47 . When the first knob 42 is rotated, the first driving gear 45 rotates, and the first driving gear 45 drives the first driven gear 46 to rotate, which in turn drives the second driven gear 47 and the first screw 41 to rotate, and the first screw 41 drives the unilateral Moving the eyepiece 2 to the left or right can precisely control the interpupillary distance of one eye, so that the positions of the left and right eyepieces 2 can be matched with the patient's eyes, and both eyes can be adjusted to the best use state.

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

In a further embodiment, the eyepiece 2 is provided with a first threaded block 48; the main body frame 1 is provided with a limit hole 11; the first screw 41 passes through the limit hole 11 and the first threaded block 48, and is connected with the first threaded Block 48 drives the connection.

The first screw 41 is threadedly connected with the first threaded block 48, and the limiting hole 11 is used to limit the position of the first screw 41 when it rotates, so as to prevent it 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 cooperation between the second driven gear 47 and the first driven gear 46 and the installation position, so it can only rotate but cannot move left and right. When adjusting, turn the first knob 42, the first drive gear 45 rotates, the first drive gear 45 drives the first driven gear 46 to rotate, and then drives the second driven gear 47 and the first screw 41 to rotate, and the first screw 41 drives The first threaded block 48 moves left or right, and then drives the unilateral eyepiece 2 to move left or right, which can precisely control the interpupillary distance of one eye, so that the positions of the left and right eyepieces 2 can be matched with the patient's eyes, and both eyes can be matched. All can be adjusted to the best use state.

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

The display screen is fixedly arranged in the moving frame 31, and the moving frame 31 is arranged on the eyepiece 2, and can reciprocate relative to the eyepiece 2, thereby adjusting the distance between the eyepiece 2 on one side and the display screen to realize diopter adjustment.

In a further embodiment, the diopter adjustment assembly includes a second screw 32, a second knob 33 and a second transmission member; the second screw 32 and the second knob 33 are drivingly connected through a second transmission member; the second screw 32 is connected to the second transmission member. The moving frame 31 is drivingly connected.

Rotate the second knob 33, input power, and the power is transmitted to the second screw 32 through the second transmission member, so that the second screw 32 rotates with the rotation of the second knob 33, and then drives the unilateral moving frame 31 to move relative to the eyepiece 2. Move forward or backward to adjust the distance between the eyepiece 2 on one side and the display screen to adjust the diopter. The diopter of one eye can be precisely controlled, so that the diopter of the left and right eyes can be matched with the patient's eye condition, and both eyes can be adjusted to the best use state.

In a further embodiment, the second transmission member includes: a second bracket 34 disposed on the first bracket 43 , and a second connecting member 35 penetrating the second bracket 34 , the first driving gear 45 and the first connecting member 44 ; The second knob 33 is connected with the second connector 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 circular hole corresponding to the position of the first circular hole, and the second connecting member 35 passes through the second circular hole. One end of the second knob 33 is provided with a protruding shaft, the protruding shaft penetrates the middle of the first knob 42, one end of the second connecting piece 35 passes through the first driving gear 45 and the first connecting piece 44 respectively, and is connected with the second knob 33 by screws, When the second knob 33 is rotated, the second connecting member 35 can be driven to rotate together. Among them, there is a certain gap between the second connecting piece 35 and the second knob 33 in 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 Set in 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 do not interfere with each other, and the two sets of components can rotate independently, respectively. Perform unilateral diopter and interpupillary distance adjustments. The first knob 42 and the second knob 33 are arranged adjacent to each other, and the first knob 42 or the second knob 33 can be rotated at the same position to adjust the interpupillary distance or diopter on one side, which is convenient to operate and improves the use experience of smart glasses.

In a further embodiment, the second transmission member further comprises: a second driving gear 36 arranged on the second connecting member 35, and a third driven gear 37 arranged on the second screw 32; the second driving gear 36 It is meshed 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 screws. The third driven gear 37 is fixedly connected to the second screw 32 by screws, so that the second screw 32 rotates together with the third driven gear 37 . Both the second driving gear 36 and the third driven gear 37 are bevel gears. By setting the rotating gear 351, when the second connecting member 35 rotates, its left side is limited by the second driving gear 36 and the third driven gear 37, and its right side is limited by the rotating gear 351 and the second protrusion. position to prevent the second knob 33 from falling out of position during rotation.

In a further embodiment, a first connecting block 311 is provided on the side of the moving frame 31; a second threaded block 38 is provided in the first connecting block 311; the second screw 32 passes through the second threaded block 38 and is connected with the second The threaded block 38 drives the connection.

The first connecting block 311 is fixed on the side wall of the moving frame 31 by screws, and the second threaded block 38 is fixedly arranged in the first connecting block 311 . The second screw 32 is drivingly connected with the second thread block 38 . The second bracket 34 is provided with a concave position, and the second screw rod 32 is erected on the concave position and is limited, and can only be rotated but cannot be moved back and forth. When the second knob 33 is turned, the second connecting piece 35 rotates to drive the second driving gear 36 to rotate, and then drives the third driven gear 37 to rotate together with the second screw 32, and the second screw 32 drives the second threaded block 38 to move forward or backward The moving frame 31 moves forward or backward along with the second threaded block 38 to adjust the distance between the eyepiece 2 and the display screen on one side, so as to realize the adjustment of the diopter on one side.

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

Through the cooperation between the first guide shaft 312 and the first through hole 21 , when the moving frame 31 is driven, it keeps moving forward or backward in a straight line, so as to avoid the position deviation between the display screen and the eyepiece 2 .

In a further embodiment, the eyepiece 2 is provided with a second connection block 22 and a second guide shaft 23 passing through the second connection block 22 ; the main frame 1 is provided with a second through hole 12 , and the second guide shaft 23 has two The ends are respectively disposed in the second through holes 12 .

Through the cooperation of the second guide shaft 23 and the second through hole 12, combined with the cooperation of the first screw 41 and the limit hole 11, the position of the eyepiece 2 on one side is limited to prevent the eyepiece 2 from moving back and forth when the interpupillary distance is adjusted. .

In a further embodiment, the first connecting member 44 is provided with a plurality of locking grooves 441; the first bracket 43 is provided with a first spring 431 and a first steel ball 432; the first spring 431 pushes the first steel ball 432 into the locking groove 441. The second connecting member 35 is provided with a rotating gear 351 ; the second bracket 34 is provided with a second spring 341 and a second steel ball 342 ;

The bottom side wall of the first round hole may be provided with a first installation hole, the first spring 431 and the first steel ball 432 are disposed in the first installation hole, and the first steel ball 432 is pushed into the slot 441 by the elastic force of the first spring 431 . When adjusting the interpupillary distance, the first knob 42 is rotated, and when a slot 441 of the first connector 44 reaches the first installation hole, the first spring 431 pushes the first steel ball 432 into the slot 441 . Similarly, the second bracket 34 is provided with two projections under the rotating gear 351, the projections are provided with a second mounting hole, the second spring 341 and the second steel ball 342 are arranged in the second mounting hole, and the second steel ball 342 It is pushed into the gap between the teeth of the rotating gear 351 by the elastic force of the second spring 341 . Further, through the cooperation of the spring and the steel ball, there will be a sound when adjusting, such as "dah, dah, dah, dah...", each "dah" sound is a gear. The multi-level adjustment of the first knob 42 and the second knob 33 is realized, and the preset value is precisely adjusted.

With this solution, the first knob 42 and the second knob 33 are arranged adjacent to each other, and the required knob can be rotated at the same position to complete the adjustment of the diopter or the interpupillary distance, and the operation is convenient. Multi-level adjustment is realized between the first knob 42 and the second knob 33, and the preset value is precisely adjusted. The unilateral diopter and interpupillary distance can be adjusted separately, and the interpupillary distance and diopter of one eye can be precisely controlled, so that the positions of the left and right eyepieces 2 can be matched with the patient's eyes, and both eyes can be adjusted to the best use state.

It should be understood that, for those skilled in the art, improvements or changes can be made according to the above description, and all these improvements and changes should fall within the protection scope of the appended claims of the present invention.

Claims (14)

1. An interpupillary distance diopter rotation adjustment mechanism, comprising a main body frame, characterized in that: the main body frame is provided with left and right eyepieces, and the left and right display screens corresponding to the left and right eyepieces are provided; the eyepiece side The side is provided with a diopter adjustment component for adjusting the distance between the display screen and the eyepiece on one side, and an interpupillary distance adjustment component for adjusting the left or right movement of the eyepiece on one side; the diopter adjustment component It is drivingly connected with the display screen; the interpupillary distance adjusting component is drivingly connected with the eyepiece; both the diopter adjusting component and the interpupillary distance adjusting component are rotatable structures. 2 . The interpupillary distance diopter rotation adjustment mechanism according to claim 1 , wherein the interpupillary distance adjustment assembly comprises a first screw, a first knob and a first transmission member; the first knob and the first The screw rods are drivingly connected through the first transmission member; the first screw rods are drivingly connected with the eyepiece. 3 . The interpupillary distance diopter rotation adjustment mechanism according to claim 2 , wherein the first transmission member comprises a first bracket, a first connecting member disposed on the first bracket, and a first driving gear. 4 . ; the first drive gear is located on the side of the first connecting piece facing the eyepiece, and the first knob is located on the side of the first connecting piece facing away from the eyepiece; the first drive gear and The first knobs are all connected with the first connector. 4 . The interpupillary distance diopter rotation adjustment mechanism according to claim 3 , wherein the first support is provided with a first driven gear meshed with the first drive gear; the first screw A second driven gear is provided in meshing connection with the first driven gear. 5 . The interpupillary distance diopter rotation adjustment mechanism according to claim 3 , wherein the eyepiece is provided with a first threaded block; the main body frame is provided with a limit hole; the first screw passes through the The limiting hole is in driving connection with the first threaded block and with the first threaded block. 6 . The interpupillary distance diopter rotation adjustment mechanism according to claim 3 , wherein the first connecting member is provided with a plurality of clamping grooves; the first bracket is provided with a first spring and a first steel ball; The first spring pushes the first steel ball into the slot. 7 . The interpupillary distance diopter rotation adjustment mechanism according to claim 2 , wherein the diopter adjustment assembly comprises a moving frame; the moving frame is arranged on the eyepiece, and the display screen is arranged on the moving frame. 8 . middle. 8 . The interpupillary distance diopter rotation adjustment mechanism according to claim 7 , wherein the diopter adjustment assembly comprises a second screw rod, a second knob and a second transmission member; the second screw rod and the second knob The second transmission member is drivingly connected therebetween; the second screw is drivingly connected with the moving frame. 9 . The interpupillary distance diopter rotation adjustment mechanism according to claim 8 , wherein the second transmission member comprises: a second bracket arranged on the first bracket, and a second bracket extending through the second bracket, the first A driving gear is connected with the second connecting piece of the first connecting piece; the second knob is connected with the second connecting piece. 10 . The interpupillary distance diopter rotation adjustment mechanism according to claim 9 , wherein the second transmission member further comprises: a second driving gear arranged on the second connecting member, and a second driving gear arranged on the first connecting member. 11 . The third driven gear on the two screws; the second driving gear is meshed with the third driven gear. 11 . The interpupillary distance and diopter rotation adjustment mechanism according to claim 8 , wherein a first connecting block is arranged on the side of the moving frame; a second threaded block is arranged in the first connecting block; The second screw rod passes through the second thread block and is drivingly connected with the second thread block. 12 . The interpupillary distance diopter rotation adjustment mechanism according to claim 9 , wherein a rotating gear is arranged on the second connecting member; a second spring and a second steel ball are arranged on the second bracket; A second spring pushes the second steel ball between the teeth of the rotating gear. 13 . The interpupillary distance diopter rotation adjustment mechanism according to claim 7 , wherein the moving frame is provided with a first guide shaft; the eyepiece is provided with a first through hole; the first guide shaft is provided with 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 guiding shaft passing through the second connecting block are arranged on the eyepiece; A second through hole is provided, and both ends of the second guide shaft are respectively arranged in the second through hole.

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