CN217821094U

CN217821094U - Interpupillary distance adjusting part and head-mounted equipment

Info

Publication number: CN217821094U
Application number: CN202220468422.1U
Authority: CN
Inventors: 张海军
Original assignee: Thundercomm Technology Co ltd
Current assignee: Thundercomm Technology Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-11-15
Anticipated expiration: 2032-03-04

Abstract

The application discloses interpupillary distance adjusting part and head-mounted equipment, head-mounted equipment include left optical module and right optical module, and interpupillary distance adjusting part includes: the guide rail component extends along a first direction parallel to the optical center connecting line of the left optical module and the right optical module; the left adjusting piece is used for assembling the left optical module and is in sliding connection with the guide rail assembly so as to independently control the left optical module to adjust the preset distance along the first direction; and the right adjusting piece is used for assembling the right optical module, and the right adjusting piece is connected with the guide rail assembly in a sliding manner so as to independently control the right optical module to adjust the preset distance along the first direction. Through this application can independently adjust the interpupillary distance position of left optical module and right optical module, improve the accuracy that the interpupillary distance was adjusted.

Description

Interpupillary distance adjusting part and head-mounted equipment

Technical Field

The application relates to the technical field of virtual reality equipment, concretely relates to interpupillary distance adjusting part and head-mounted equipment.

Background

The interpupillary distance is the distance between the pupils of two eyes, and corresponds to the distance between the optical centers of the two optical modules on the head-mounted equipment. Because of the interpupillary distance difference of different people, so when wearing head mounted device, the user need adjust head mounted device's interpupillary distance to with the distance phase-match between self eyes pupil, thereby obtain clear image, reduce eye fatigue.

To traditional head-mounted device, its structure that uses gear, rack and guiding axle to mutually support more adjusts the interpupillary distance, and through the rotary motion who changes the rotary motion of gear into the reciprocal linear motion of rack or change the reciprocal linear motion of rack into the rotary motion of gear and drive left and right optical module in the head-mounted device and remove along the guiding axle, realize the interpupillary distance and adjust.

However, when the above structure is used, the left optical module and the right optical module are often displaced synchronously (synchronously close to or synchronously far away from), the pupil distance position of a single optical module cannot be adjusted, and the use requirements of some users, especially users with asymmetric left and right eyes, cannot be met.

SUMMERY OF THE UTILITY MODEL

To above-mentioned technical problem, this application provides a interpupillary distance adjusting part and head-mounted equipment, can independently adjust the interpupillary distance position of single optical module.

In one aspect, the application provides a interpupillary distance adjusting part for head mounted device, head mounted device include left optical module and right optical module, and interpupillary distance adjusting part includes:

the guide rail assembly extends along a first direction parallel to the optical center connecting line of the left optical module and the right optical module;

the left adjusting piece is used for assembling the left optical module and is in sliding connection with the guide rail assembly so as to independently control the left optical module to adjust a preset distance along a first direction;

and the right adjusting piece is used for assembling the right optical module, and the right adjusting piece is connected with the guide rail assembly in a sliding manner so as to independently control the right optical module to adjust the preset distance along the first direction.

Optionally, the fixing frame comprises a left supporting area, a right supporting area and a connecting area between the left supporting area and the right supporting area, the left optical module is disposed in the left supporting area, and the right optical module is disposed in the right supporting area;

the guide rail assembly comprises at least one of a slide rail set and a guide rod piece.

Optionally, the slide rail set comprises a first slide rail extending along a first direction; alternatively, the first and second liquid crystal display panels may be,

the sliding rail group comprises a first sliding rail and a second sliding rail which are parallel to each other and extend along a first direction;

wherein, first slide rail is including extending the left slide rail in left side support area and extending the right slide rail in right side support area, and the second slide rail spanes left side support area, joining region and right side support area and extends.

Optionally, a first clamping block is arranged on the left adjusting piece and is in sliding clamping connection with the left sliding rail;

and a second clamping block is arranged on the right adjusting piece and is in sliding clamping connection with the right sliding rail.

Optionally, the guide rail assembly comprises a guide rod piece, a first guide block is arranged on the left adjusting piece, and the guide rod piece is sleeved with the first guide block;

the right adjusting piece is provided with a second guide block, and the guide rod piece is sleeved with the second guide block.

Optionally, at least one of the left adjusting member, the right adjusting member and the guide rail assembly is provided with a resistance increasing member, and a friction coefficient between the left adjusting member and the guide rail assembly is increased, and/or a friction coefficient between the right adjusting member and the guide rail assembly is increased, so that a friction force between the left adjusting member and the guide rail assembly is at least greater than a sum of gravity of the left adjusting member and the left optical module, and/or a friction force between the right adjusting member and the guide rail assembly is at least greater than a sum of gravity of the right adjusting member and the right optical module.

Optionally, the resistance increasing member is a solid elastomer, or the resistance increasing member is an adhesive.

Optionally, the fixed frame, the left adjusting piece and the right adjusting piece are all arranged in a plate-shaped structure, a first clamping groove is formed in the left optical module, and the left adjusting piece is clamped with the first clamping groove;

and a second clamping groove is formed in the right optical module, and the right adjusting piece is clamped with the second clamping groove.

Optionally, the left side and the right side of the left slide rail are respectively provided with a first limiting part and a second limiting part in a one-to-one correspondence manner, so that the first fixture block slides along the left slide rail;

the left side and the right side of the right slide rail are respectively provided with a third limiting part and a fourth limiting part in a one-to-one correspondence mode, so that the second clamping block can slide along the right slide rail.

In another aspect, the present application provides a head-mounted device comprising any one of the interpupillary distance adjustment structures described above.

The beneficial effect of this application:

the application provides a interpupillary distance adjustment structure and head-mounted equipment through left regulating part and guide rail set spare sliding connection to the distance is predetermine along the first direction regulation to the left optical module of independent control, and in the same way, through right regulating part and guide rail set spare sliding connection, predetermines the distance along the first direction regulation with the right optical module of independent control, thereby realizes the independent regulation of left and right optical module interpupillary distance position. Therefore, even if the left eye and the right eye of a user are asymmetric, the pupil distance can be accurately adjusted, a clearer image is obtained, and eye fatigue is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective exploded view of a pupil distance adjusting structure according to an embodiment of the present disclosure;

fig. 2 is a schematic diagram of an overall assembly structure of a pupil distance adjusting structure according to an embodiment of the present disclosure;

fig. 3 isbase:Sub>A sectional view of sectionbase:Sub>A-base:Sub>A in fig. 2.

In the drawings:

100. a left optical module; 101. a first card slot; 102. a first positioning post; 200. a right optical module; 201. a second card slot;

10. a fixed mount; 11. a first opening; 12. a left slide rail; 13. a first limiting part; 14. a second limiting part; 15. a second opening; 16. a right slide rail; 17. a third limiting part; 18. a fourth limiting part; 19. fixing a rod piece sleeve;

20. a left adjustment member; 21. a first clamping block; 22. a first positioning hole; 23. a first guide block;

30. a right adjustment member; 31. a second fixture block; 32. a second positioning hole; 33. a second guide block;

40. and guiding the rod piece.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings. With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Referring to fig. 1-3, the present application provides a interpupillary distance adjustment assembly comprising a holder 10, a left adjustment member 20, and a right adjustment member 30. Wherein, the fixing frame 10 is provided with a guide rail assembly, and the guide rail assembly is arranged along a first direction parallel to the optical center connecting line of the left optical module 100 and the right optical module 200; the left adjusting part 20 is used for assembling the left optical module 100, and the left adjusting part 20 is connected with the guide rail assembly in a sliding manner so as to independently control the left optical module 100 to adjust a preset distance along a first direction; and the right adjusting piece 30 is used for assembling the right optical module 200, and the right adjusting piece 30 is connected with the guide rail assembly in a sliding manner so as to independently control the right optical module 200 to adjust the preset distance along the first direction.

According to the arrangement, when the fixing frame 10 is kept still, the left adjusting piece 20 slides on the guide rail assembly, so that the left optical module 100 can be driven to move along the first direction parallel to the optical center connecting line of the left optical module and the right optical module, and the pupil distance position of the left optical module 100 can be independently adjusted. Similarly, the right adjusting member 30 slides on the guide rail assembly to drive the right optical module 200 to move along the first direction, so as to realize the independent adjustment of the pupil distance position of the right optical module 200.

In this embodiment, the front, rear, left and right directions are defined with reference to the user's viewing angle.

In some alternative embodiments, the fixation frame 10 includes a left side support region, a right side support region, and a connection region between the left side support region and the right side support region. The left supporting area, the connecting area and the right supporting area can be communicated, so that the left adjusting piece 20 and the right adjusting piece 30 can move along a first direction in the through area; the left support area, the connection area and the right support area may be connected with or without through connection, so that the left adjusting member 20 moves in a first direction in the left support area or the partial through area, and the right adjusting member 20 moves in a first direction in the right support area or the partial through area.

In some optional embodiments, the present disclosure provides a slide rail set including a first slide rail extending along a first direction, the first slide rail including a left slide rail 12 extending in a left side supporting region and a right slide rail 16 extending in a right side supporting region, the left slide rail 12 and the right slide rail 16 being separated by a limiting portion, such that the left adjusting member 20 slides on the left slide rail 12 defined by the first limiting portion 13 and the second limiting portion 14, and the right adjusting member 30 moves on the right slide rail 16 defined by the third limiting portion 17 and the fourth limiting portion 18. In order to simplify the mold process, the left slide rail 12 and the right slide rail 16 of the present embodiment are located on the same straight line, and it should be noted that the left slide rail 12 and the right slide rail 16 are not located on the same straight line, and also fall within the protection scope of the present embodiment.

In some alternative embodiments, the present disclosure provides a slide rail set including a second slide rail extending along a first direction, the second slide rail spanning the left support area, the connection area, and the right support area, that is, the left slide rail 12 and the right slide rail 16 are connected together, and the left slide rail 12 and the right slide rail 16 are integrated, so that the left adjusting member 20 and the right adjusting member 30 can move on the whole slide rail.

It should be noted that, in this scheme, the slide rails capable of independently adjusting the interpupillary distance by the left adjusting part 20 and the right adjusting part 30 are a set, in order to realize that the left adjusting part 20 and the right adjusting part 30 stably slide on the slide rails, the slide rails include at least one set, which may be one set or multiple sets of first slide rails, or one set or multiple sets of second slide rails, or a combination of the first slide rails and the second slide rails, wherein the number of the sets of the first slide rails and the second slide rails is at least one, the slide rails may be disposed at the top, the middle, the bottom, or a combination thereof of the fixing frame 10, a specific position is not limited, and exemplarily, the slide rails are disposed at the bottom of the fixing frame 10.

In some optional embodiments, the left adjusting member 20 is provided with a first clamping block 21, the first clamping block 21 is used for being matched with the left sliding rail 12 for use, and the left adjusting member 20 is clamped on the sliding rail, so that the sliding stability of the left adjusting member 20 can be ensured, and the left adjusting member 20 can slide along the left sliding rail 12; the right adjusting piece 30 is provided with a second fixture block 31, the second fixture block 31 is used for being matched with the right slide rail 16, the right adjusting piece 30 is clamped on the right slide rail 16, the sliding stability of the right adjusting piece 30 can be ensured, and the right adjusting piece 30 can slide along the right slide rail 16; the number of the first latch 21 and the second latch 31 matches the arrangement of the slide rail.

The first block 21 and the second block 31 may be configured to be engaged with the slide rail. Alternatively, the cross sections of the first fixture block 21 and the second fixture block 31 are regular U-shaped or inverted U-shaped along the direction perpendicular to the axial direction of the slide rail, and the specific shape is determined by the position of the slide rail, for example, when the slide rail is disposed at the bottom of the fixing frame 10, the cross sections of the first fixture block 21 and the second fixture block 31 are inverted U-shaped, and when the slide rail is disposed at the top of the fixing frame 10, the cross sections of the first fixture block 21 and the second fixture block 31 are regular U-shaped.

In some optional embodiments, the guide rail assembly includes a guide rod 40, the left adjusting member 20 is provided with a first guide block 23, the first guide block 23 is sleeved on the guide rod 40, and the first guide block 23 is used for limiting the sliding of the left adjusting member 20 on the guide rod 40 along the first direction; the right adjusting member 30 is provided with a second guide block 33, the guide rod member 40 is sleeved with the second guide block 33, and the second guide block 33 is used for limiting the right adjusting member 30 to slide on the guide rod member 40 along the first direction. Therefore, the left adjusting piece 20 and the right adjusting piece 30 can be guided by the guide rod piece 40, and the moving accuracy of the left adjusting piece 20 and the right adjusting piece 30 is further improved.

It will be appreciated that the guide rod member 40 may be a straight rod, a zigzag rod or other shapes, as long as the left and right adjusting

members

20 and 30 can slide on the guide rod member 40 in the left and right support areas, respectively.

It should be noted that, in this embodiment, the guide bar members capable of independently adjusting the interpupillary distance by the left adjusting member 20 and the right adjusting member 30 are in one group, and in order to realize stable sliding of the left adjusting member 20 and the right adjusting member 30 on the guide bar members 40, at least one group of guide bar members may be provided, and at least one guide bar member in each group. The guide bar 40 may be located at the top, middle, bottom or a combination thereof of the fixing frame 10, and the specific location is not limited, and the guide bar 40 is illustratively a straight bar crossing the left supporting region, the connecting region, and the right supporting region.

In order to stabilize the guide rod 40, a fixing rod sleeve 19 may be disposed on the fixing frame 10, and the guide rod 40 may be fixed on the fixing frame 10 through the fixing rod sleeve 19. The number of the fixed rod piece sleeves 19 is matched with that of the guide rod pieces 40, the positions of the fixed rod piece sleeves are matched with that of the guide rod pieces 40, and at least one fixed rod piece sleeve 19 is arranged in each group. Illustratively, the fixed rod member sleeves 19 are disposed on the top of the fixed frame 10, and the number is three for the left, middle and right.

In some optional embodiments, at least one of the left adjusting member 20, the right adjusting member 30 and the guide assembly is provided with a resistance increasing member (not shown in the drawings), and the resistance increasing member is used for increasing a friction coefficient between the left adjusting member 20 and the guide assembly and/or increasing a friction coefficient between the right adjusting member 30 and the guide assembly, so that a friction force between the left adjusting member 20 and the guide assembly is at least greater than a sum of gravity forces of the left adjusting member 20 and the left optical module 100, and/or so that a friction force between the right adjusting member 30 and the guide assembly is at least greater than a sum of gravity forces of the right adjusting member 30 and the right optical module 200.

When the left or right adjusting

member

20 or 30 is manually moved, the presence of the resistance increasing member may increase the sliding feeling. More importantly, after left regulating part 20 or right regulating part 30 slide to a certain position, resistance increasing piece can make left regulating part 20 or right regulating part 30 stop at corresponding position to prevent that left optical module 100 or right optical module 200 from taking place the drunkenness, improve the accuracy nature of interpupillary distance adjustment.

Optionally, the resistance increasing member is a solid elastic body, which may be made of rubber, silica gel, or the like, or the resistance increasing member is an adhesive body, which may be made of high viscosity damping oil, or the like. On the premise that the friction force between the left adjusting member 20 and the guide rail assembly is at least greater than the sum of the gravity of the left adjusting member 20 and the left optical module 100, and/or the friction force between the right adjusting member 30 and the guide rail assembly is at least greater than the sum of the gravity of the right adjusting member 30 and the right optical module 200, any material can be selected as the resistance increasing member, which is not limited herein.

The interpupillary distance adjustment structure will be further described with reference to fig. 1-3.

In some alternative embodiments, the fixing frame 10, the left adjusting member 20 and the right adjusting member 30 are all provided in a plate-like structure. Wherein, left regulating part 20 presss from both sides and establishes between left optical module 100 and mount 10, and right regulating part 30 presss from both sides and establishes between right optical module 200 and mount 10 to make overall structure compacter, reduce the total volume of interpupillary distance adjustment structure.

In some alternative embodiments, the left adjusting member 20 and the left optical module 100, and the right adjusting member 30 and the right optical module 200 may be fixedly connected, and the connection manner may be an adhesive fixation or other conventional fixing connection manner; the fixing device can also be detachably fixed, and the connection mode can be screw fixation, clamping groove clamping fixation or other conventional fixing connection modes. Referring to fig. 1, the present embodiment exemplarily provides a connection arrangement of the left adjustment member 20 and the left optical module 100 as follows: be provided with first draw-in groove 101 on left optical module 100, left regulating part 20 shape and first draw-in groove 101 shape phase-match, left regulating part 20 joint is in first draw-in groove 101 to realize the firm installation of left regulating part 20, and make the structure compacter. Similarly, a second clamping groove 201 is formed in the right optical module 200, the shape of the right adjusting piece 30 is matched with the shape of the second clamping groove 201, and the right adjusting piece 30 is clamped in the second clamping groove 201, so that the right adjusting piece 30 is stably installed, and the structure is more compact.

In some optional embodiments, referring to fig. 3, a first positioning hole 22 may be further disposed on the left adjusting member 20, a first positioning post 102 is disposed on the left optical module 100, and the first positioning post 102 is inserted into the first positioning hole 22, so as to improve the accuracy of the installation of the left adjusting member 20. Similarly, a second positioning hole 32 may be disposed on the right adjusting member 30, a second positioning post (not shown) may be disposed on the right optical module 200, and the second positioning post may be inserted into the second positioning hole 32, so as to improve the mounting accuracy of the right adjusting member 30. Of course, in other embodiments, the first positioning post 102 may be disposed on the left adjusting member 20, the first positioning hole 22 may be disposed on the left optical module 100, or the second positioning post may be disposed on the right adjusting member 30, and the second positioning hole 32 may be disposed on the right optical module 200.

In some alternative embodiments, first card slot 101 is disposed in front of left optics module 100 and second card slot 201 is disposed in front of right optics module 200 to avoid interference with a user viewing left and right optics modules 200. It will be appreciated that the front-to-back directions referred to herein are again referenced from the perspective of the user. A plurality of first positioning columns 102 are arranged, and the plurality of first positioning columns 102 are all positioned in the first clamping grooves 101; the second positioning columns are also provided with a plurality of second positioning columns which are all located in the second clamping grooves 201.

In some alternative embodiments, a first opening 11 is provided at the left side of the fixing frame 10, and the bottom and/or top of the first opening 11 is used for forming a left slide rail 12; a second opening 15 is provided at the right side of the fixing frame 10, and the bottom and/or top of the second opening 15 is used for forming a right slide rail 16. The first opening 11 and the second opening 15 may be through to connect the left slide rail 12 and the right slide rail 16, the first opening 11 and the second opening 15 may not be through, and the left and right sides of the first opening 11 are respectively formed with a first limiting portion 13 and a second limiting portion 14, and the left and right sides of the second opening 15 are respectively formed with a third limiting portion 17 and a fourth limiting portion 18. The shape of the first opening 11 and the second opening 15 may be rectangular, semicircular or other shapes, and only needs to be satisfied to form a corresponding slide rail, which is not limited herein, and for example, the first opening 11 and the second opening 15 are both configured as rectangular holes.

To sum up, this embodiment provides a pupil distance adjusting part, through the pupil distance position of the adjustable left optical module 100 of removal left regulating part 20, through the pupil distance position of the adjustable right optical module 200 of removal right regulating part 30, thereby the independent regulation of optical module 200 pupil distance position about realizing, make the pupil distance adjust more accurate, supply the user to obtain clearer image, reduce eye fatigue, also solved some people because control the eye asymmetry, the two eyes pupil distance asymmetry causes the problem that can't obtain clear image.

In addition, with overall structure, the required part of this interpupillary distance adjusting part is few, simple structure, and the cost is lower, and this interpupillary distance adjusting part is very compact, does benefit to the head-mounted apparatus of packing into.

The application still provides a head-mounted device, and it includes as before pupil distance adjusting part, can realize the independent regulation of single optical module pupil distance position, satisfies more users' user demand, promotes user experience.

The head-mounted device of the present application includes, but is not limited to, VR head-mounted devices, AR head-mounted devices, and the like, which require pupil distance adjustment.

Further, the head-mounted device still includes left optical module 100, right optical module 200 and shell body, controls optical module 200 and all installs at the shell body inside and outside casing, and interpupillary distance adjusting part is installed in the shell body partly or whole. In some embodiments, the mount 10 is secured within an outer housing; the main body of the left adjusting member 20 is positioned in the outer shell, and the first guide block 23 is partially exposed out of the outer shell so as to facilitate the user to move the left adjusting member 20; the body of the right adjusting member 30 is located within the outer housing, and the second guide block 33 is partially exposed from the outer housing to facilitate the user's movement of the right adjusting member 30.

Of course, in some alternative embodiments, a dial button connected to the left adjusting member 20 or the right adjusting member 30 may be provided, and the left adjusting member 20 or the right adjusting member 30 is moved by the dial button.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all the equivalent structures or equivalent processes that can be directly or indirectly applied to other related technical fields by using the contents of the specification and the drawings of the present application are also included in the scope of the present application.

Claims

1. A interpupillary distance adjustment assembly for a head-mounted device, the head-mounted device comprising a left optical module (100) and a right optical module (200), the interpupillary distance adjustment assembly comprising:

the fixing frame (10) is provided with a guide rail assembly, and the guide rail assembly extends along a first direction parallel to an optical center connecting line of the left optical module (100) and the right optical module (200);

the left adjusting piece (20) is used for assembling the left optical module (100), and the left adjusting piece (20) is connected with the guide rail assembly in a sliding mode so as to independently control the left optical module (100) to adjust a preset distance along the first direction;

the right adjusting piece (30) is used for assembling the right optical module (200), and the right adjusting piece (30) is in sliding connection with the guide rail assembly to independently control the right optical module (200) to adjust a preset distance along the first direction.

2. The interpupillary distance adjustment assembly of claim 1, wherein said holder (10) comprises a left support region, a right support region and a connecting region between said left support region and said right support region, said left optical module (100) being disposed in said left support region and said right optical module (200) being disposed in said right support region;

the guide rail assembly includes at least one of a set of slide rails and a guide bar.

3. The interpupillary distance adjustment assembly of claim 2,

the slide rail group comprises a first slide rail extending along the first direction; alternatively, the first and second electrodes may be,

the slide rail group comprises a first slide rail and a second slide rail which are parallel to each other and extend along the first direction;

wherein the first track comprises a left track (12) extending across the left support region and a right track (16) extending across the right support region, and the second track spans the left support region, the connecting region, and the right support region.

4. The interpupillary distance adjustment assembly of claim 3, wherein said set of slide rails comprises a first slide rail extending along said first direction,

a first clamping block (21) is arranged on the left adjusting piece (20), and the first clamping block (21) is in sliding clamping connection with the left sliding rail (12);

and a second clamping block (31) is arranged on the right adjusting piece (30), and the second clamping block (31) is in sliding clamping connection with the right sliding rail (16).

5. The interpupillary distance adjustment assembly of claim 2, wherein the guide rail assembly comprises guide rods,

a first guide block (23) is arranged on the left adjusting piece (20), and the guide rod piece (40) is sleeved with the first guide block (23);

the right adjusting piece (30) is provided with a second guide block (33), and the guide rod piece (40) is sleeved with the second guide block (33).

6. The interpupillary distance adjusting assembly of claim 1, wherein at least one of the left adjusting member (20), the right adjusting member (30) and the guide rail assembly is provided with a resistance increasing member to increase a friction coefficient between the left adjusting member (20) and the guide rail assembly and/or increase a friction coefficient between the right adjusting member (30) and the guide rail assembly such that a friction force between the left adjusting member (20) and the guide rail assembly is at least greater than a sum of the weights of the left adjusting member (20) and the left optical module (100) and/or such that a friction force between the right adjusting member (30) and the guide rail assembly is at least greater than a sum of the weights of the right adjusting member (30) and the right optical module (200).

7. The interpupillary distance adjustment assembly of claim 6, wherein the resistance increasing member is a solid elastomer or the resistance increasing member is an adhesive.

8. The interpupillary distance adjusting assembly of any one of claims 1 to 7, wherein the fixing frame (10), the left adjusting member (20) and the right adjusting member (30) are all configured as a plate-shaped structure, a first clamping groove (101) is disposed on the left optical module (100), and the left adjusting member (20) is clamped with the first clamping groove (101);

and a second clamping groove (201) is formed in the right optical module (200), and the right adjusting piece (30) is clamped with the second clamping groove (201).

9. The interpupillary distance adjusting assembly of claim 4, wherein the left and right sides of the left slide rail (12) are respectively provided with a first limiting part (13) and a second limiting part (14) in a one-to-one correspondence manner, so that the first block (21) slides in a limited area along the left slide rail (12);

the left side and the right side of the right slide rail (16) are respectively provided with a third limiting part (17) and a fourth limiting part (18) in a one-to-one correspondence mode, so that the second clamping block (31) can slide in a limited area along the right slide rail (16).

10. A head-mounted device comprising the interpupillary distance adjustment structure of any of claims 1-9.