CN219695561U - Pupil distance adjusting device and head-mounted equipment - Google Patents

Abstract

The utility model provides a pupil distance adjusting device and a head-mounted device, comprising: a bracket on which a ring gear portion is formed; a lens barrel assembly; a rotating handle, on which a pressing part is formed; a ratchet member having formed thereon: a ratchet rack portion engaged with the ring gear portion; a gear portion; the moving component can be meshed and matched with the gear part and can move up and down under the drive of the gear part; the lens barrel displacement mechanism is provided with 2 groups which are respectively and correspondingly arranged with the two lens barrel components and are matched with the moving component, and the lens barrel displacement mechanism can be driven to move towards the side close to the moving component or move away from the moving component when the moving component moves up and down so as to adjust the distance between the two groups of lens barrel components. The pupil distance adjusting device provided by the utility model not only can realize pupil distance adjustment, but also can ensure that the distance between the two lens cone assemblies is kept locked at the adjusting position after the pupil distance is adjusted in place, and rebound cannot occur.

Description

Pupil distance adjusting device and head-mounted equipment

Technical Field

The utility model relates to the technical field of virtual head-mounted equipment, in particular to a pupil distance adjusting device for head-mounted equipment and a head-mounted equipment structure with the device.

Background

IPD is an abbreviation of interpupillary distance, and is generally applied to AR/VR glasses, and when in use, an appropriate lens barrel distance can be adjusted according to the interpupillary distance of an individual, and because IPDs of people in different ages (teenagers, adults and old people) and different areas (america, asia and europe) are different, the use of a VR product is limited and popular, and the popularization of the product cannot be facilitated.

At present, the IPD is adjusted on VR products by adjusting the distance through a sliding switch or adjusting a gear in the middle, and the structure is easy to rebound after the adjustment is completed.

The above information disclosed in this background section is only for enhancement of understanding of the background section of the utility model and therefore it may not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

Aiming at the problem that the pupil distance adjusting structure in the prior art is easy to rebound, the utility model provides a novel pupil distance adjusting device which not only can realize pupil distance adjustment, but also can ensure that the distance between two lens cone assemblies is kept locked at an adjusting position after being adjusted in place, and rebound cannot occur.

In order to achieve the aim of the utility model, the utility model is realized by adopting the following technical scheme:

the utility model provides a pupil distance adjusting device, which comprises:

a bracket on which a ring gear portion is formed;

two lens barrel assemblies arranged side by side;

and a pupil distance adjusting structure arranged between the two lens barrel assemblies, the pupil distance adjusting structure comprising:

a rotating handle, on which a pressing part is formed;

a ratchet member having formed thereon: a ratchet rack portion engaged with the ring gear portion;

a gear portion;

the moving component can be meshed and matched with the gear part and can move up and down under the drive of the gear part;

the lens barrel displacement mechanism is provided with 2 groups which are respectively and correspondingly arranged with the two lens barrel components and are matched with the moving component, and can be driven to move towards the side close to the moving component or move away from the moving component when the moving component moves up and down so as to adjust the distance between the two groups of lens barrel components;

when the rotating handle rotates along a first direction, the ratchet rack part of the ratchet part can be meshed and matched with the gear ring part to rotate relative to the gear ring part, and when the rotating handle stops rotating, the ratchet rack part is matched with the gear ring part to realize locking;

when the rotating handle rotates along the second direction, the ratchet rack part of the ratchet part can be pressed by the pressing part to be separated from the gear ring part, the rotating handle rotates along the second direction under the drive of the rotating handle, and when the rotating handle stops rotating to press, the reset clamp is clamped into the gear ring part to realize locking.

In some embodiments of the present utility model, the lens barrel displacement mechanism includes:

the rotating parts are rotatably connected to the base body, two rotating meshing teeth are arranged at positions corresponding to the two lens barrel assemblies respectively, and the rotating meshing teeth are formed on the outer sides of the rotating parts and meshed with the moving parts and can rotate under the drive of the moving parts;

the winding part is provided with two winding parts which are respectively connected and fixed with the two lens cone assemblies;

one end of the flexible connecting piece is fixed on the rotating part, and the other end of the flexible connecting piece is fixed on the winding part;

elastic elements, 2 are arranged, each is connected between the lens barrel assembly and the bracket corresponding to the position of the elastic element;

when the moving part moves along a third direction, the rotating part rotates to wind the flexible connecting piece above the rotating part and tighten the winding part to move towards the side close to the moving part, and the winding part drives one end of the lens barrel assembly to stretch the elastic element;

when the lock moving member moves in the fourth direction, the rotating member rotates reversely to unwind the flexible link wound thereabove, and the elastic member pulls the lens barrel assembly to move away from the moving member side.

In some embodiments of the utility model, the ratchet member comprises:

a ratchet body, a plurality of ratchet rack parts formed by extending outwards from the periphery of the ratchet body, wherein the end part of the ratchet rack part is provided with a ratchet rack part, and an installation space is formed between the ratchet rack part and the gear ring part;

the pressing part is a pressing protrusion protruding from the inner wall of the rotating handle to the ratchet part, is arranged close to the ratchet rack part and is arranged in the installation space, the pressing protrusion is coplanar with the ratchet rack part, and the ratchet tooth strip part is positioned on a rotating path of the pressing protrusion along the second direction.

In some embodiments of the utility model, the moving part comprises:

moving the body;

a first gear engaging portion formed on the lock moving body, which is engaged with the gear portion;

and a second gear engaging portion formed on the lock moving body for engagement with the rotating member.

In some embodiments of the present utility model, there are further included: the fixed shaft is rotatably arranged on the support, the rotating handle and the ratchet wheel component are assembled on the fixed shaft, the moving component is provided with a sliding guide groove, the fixed shaft penetrates through the sliding guide groove, one end of the fixed shaft, which penetrates out of the sliding guide groove, is provided with a limiting anti-falling piece for preventing the fixed shaft from separating from the sliding guide groove, and the fixed shaft can slide relative to the fixed shaft through the sliding guide groove when the moving component moves up and down.

In some embodiments of the present utility model, there are further included:

the rack and pinion removes the subassembly, arranges in the upper end or/and lower extreme position of lens cone assembly, including:

a rack member disposed on the barrel assembly;

and a gear member rotatably coupled to the bracket, the gear member being engaged with the rack portion.

In some embodiments of the present utility model, a sliding guide mechanism is provided on the lens barrel assembly and the bracket, and is disposed at an upper end or/and a lower section of the lens barrel assembly, and includes:

a slide rail/rail arranged in a telescopic direction of the lens barrel assembly, which is provided on the bracket;

and a slide/rail disposed on the barrel assembly.

In some embodiments of the present utility model, a sliding guide assembly is disposed between the bottom of the moving member and the bracket, the sliding guide assembly including:

arranging the sliding piece at the bottom of the moving part;

and a sliding port arranged on the bracket, the sliding piece being slidably disposed within the sliding port; and an elastic support element disposed between the bracket and the slider.

In some embodiments of the utility model, the bracket comprises:

a body frame;

and a blocking member mounted on the body frame, the gear ring portion being formed on the blocking member, the ratchet member being located in the gear ring portion, and the rotating handle being located between the blocking member and the body frame.

In some embodiments of the present utility model, the rotating member is provided with a boss, the boss is provided with a first winding groove, and the winding member is provided with a second winding groove.

The head-mounted device further comprises the interpupillary distance adjusting mechanism.

Compared with the prior art, the utility model has the advantages and positive effects that:

in the pupil distance adjusting device in the embodiment, after the position of the lens barrel assembly is adjusted in place, the ratchet part has a self-locking function, so that the ratchet part can be locked and fixed through the clamping of the ratchet rack part and the gear ring part, the ratchet part is locked, the moving part matched with the ratchet part, the lens barrel displacement mechanism matched with one end part and the lens barrel assembly are locked, and the problem of rebound when the lens barrel assembly is adjusted in place can be effectively avoided.

Other features and advantages of the present utility model will become apparent upon review of the detailed description of the utility model in conjunction with the drawings.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a perspective view of a pupil distance adjusting device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing an internal structure of an interpupillary distance adjusting device according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an internal structure of a pupil distance adjusting device according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a configuration of the engagement of the ratchet member and the ring gear portion of the pupil distance adjusting device according to the embodiment of the present utility model;

FIG. 5 is a schematic view of the configuration of the engagement of the ratchet member and the twist grip of the pupil distance adjusting device in accordance with the embodiment of the present utility model;

FIG. 6 is a schematic diagram showing the cooperation of the ratchet component and the moving component of the interpupillary distance adjusting device according to the first embodiment of the present utility model;

FIG. 7 is a second schematic diagram of the configuration of the cooperation of the ratchet component and the moving component of the interpupillary distance adjusting device according to the embodiment of the present utility model;

fig. 8 is a schematic structural view of the moving part and the rotating part of the pupil distance adjusting device according to the embodiment of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides an embodiment of a pupil distance adjusting device, which comprises the following components:

a carrier 100, a ring gear portion 121 being formed on the carrier 100;

two barrel assemblies 200 arranged side by side;

and a pupil distance adjusting structure disposed between the two lens barrel assemblies 200, the pupil distance adjusting structure including:

the turning handle 300, on which a pressing part 310 is formed;

the ratchet member 400 has formed thereon: ratchet teeth 411 bar portions 410, which mesh with ring gear portion 121;

a gear portion 420;

the moving component 500 can be meshed with the gear part 420, and can move up and down under the drive of the gear part 420;

the lens barrel displacement mechanism 600 is provided with 2 groups, is respectively connected with the two lens barrel assemblies 200 correspondingly, is matched with the moving part 500, and can be driven to move towards the side close to the moving part 500 or move away from the moving part 500 when the moving part 500 moves up and down so as to realize the adjustment of the distance between the two groups of lens barrel assemblies 200;

wherein the ratchet teeth 411 of the ratchet member 400 are capable of engaging with the ring gear portion 121 to rotate relative to the ring gear portion 121 when the rotation handle 300 is rotated in the first direction, and are engaged with the ring gear portion 121 to lock when the rotation handle 300 is stopped;

when the rotating handle 300 rotates in the second direction, the bar portions 410 of the ratchet teeth 411 of the ratchet member 400 can be pressed by the pressing portion 310 to be separated from the ring gear portion 121, the rotating handle 300 rotates in the second direction, and when the rotating handle 300 stops rotating and pressing, the reset clip is locked into the ring gear portion 121.

In the pupil distance adjusting device in the present embodiment, when in use, by rotating the handle 300, specifically, since the ratchet member 400 has the ratchet teeth 411 of which the bar portions 410 are teeth arranged along a certain rotation direction, the ratchet member 400 can only rotate along a certain direction and cooperate with the gear ring portion 121, and if rotated reversely, cannot engage with the gear ring portion 121;

as in the present embodiment, the rotation direction of the ratchet member 400 is set to be the first direction, and the first direction may be either a clockwise direction or a counterclockwise direction.

When the rotating handle 300 rotates along the first direction, the ratchet teeth 411 of the ratchet component 400 are engaged with the corresponding gear ring 121, the ratchet component 400 is driven to rotate, the ratchet component 400 rotates to drive the gear 420 above the ratchet component to rotate, the gear 420 is engaged with the moving component 500 to drive the moving component 500 to move, and then the lens barrel displacement mechanism 600 is driven to act, the lens barrel displacement mechanism 600 is connected with the lens barrel assembly 200, and the lens barrel assembly 200 is driven to move to realize the adjustment of the distance between every two lens barrel assemblies 200.

After the position of the lens barrel assembly 200 is adjusted in place, the ratchet part 400 has a self-locking function, so that the ratchet part 400 can be locked and fixed through the clamping of the ratchet tooth 411 strip part 410 and the gear ring part 121, the ratchet part 400 is locked, the moving part 500 matched with the ratchet part 400 and the lens barrel displacement mechanism 600 matched with one end part and the lens barrel assembly 200 are both locked, and the problem of rebound when the lens barrel assembly is adjusted in place can be effectively avoided;

when the distance between the two lens barrel assemblies 200 needs to be increased, the rotating handle 300 needs to be reversely rotated, namely, the rotating handle 300 is rotated along the second direction, because the ratchet part 400 is self-locked and the locking of the ratchet part 400 and the gear ring part 121 needs to be overcome, the embodiment can ensure that the ratchet part 400 reversely rotates through the pressing part 310 on the rotating handle 300, when the rotating handle 300 rotates along the second direction, the pressing part 310 above the rotating handle 300 acts on the strip part 410 of the ratchet teeth 411 to separate from the gear ring part 121, at the moment, the strip part can reversely rotate under the driving of the rotating part 610, the ratchet part 400 reversely rotates to drive the moving part 500 to move, and the moving part 500 moves to drive the lens barrel displacement mechanism 600 and the lens barrel assemblies 200 to move away from the moving part 500 side, so that the adjustment is realized;

after the adjustment is in place, the rotating handle 300 is loosened, when the rotating handle 300 does not rotate, the acting force on the strip part 410 of the ratchet teeth 411 is eliminated, the strip part 410 of the ratchet teeth 411 is clamped into the gear ring part 121 after rebounding, and locking and fixing are performed again, so that the locking effect is realized, and the problem of rebounding is avoided.

In some embodiments of the present utility model, the lens barrel displacement mechanism 600 includes:

the rotating part 610 is rotatably connected to the base body, two rotating parts are arranged and respectively arranged at positions corresponding to the two lens barrel assemblies 200, and rotating engagement teeth 611 are formed on the outer sides of the rotating parts and are engaged with the moving part 500, so that the rotating parts can rotate under the driving of the moving part 500;

the rotating member 610 is a main rotating gear, and is formed with rotating engagement teeth 611 on the outer side thereof to engage with a certain member. The base body is rotatably connected with the rotary shaft, and the rotary shaft is provided with a clamp spring for limiting the base body.

The winding part 620 is provided with two winding parts which are respectively connected and fixed with the two lens barrel assemblies 200;

the wire winding part 620 is a reel, which is fixedly coupled to the lens barrel assembly 200.

A flexible connection member 630 having one end fixed to the rotating member 610 and one end fixed to the winding member 620;

when the rotating member 610 rotates, it winds the flexible connection member 630 thereon, and since the flexible connection member 630 and the winding member 620 are fixed, when the flexible connection member 630 is wound, it drives the winding member 620 and the lens barrel assembly 200 connected with the winding member 620 to move, so as to realize the movement of the position of the lens barrel assembly 200.

The elastic members 640, 2 are arranged, each connected between the barrel assembly 200 and the holder 100 corresponding to the position thereof;

the elastic element 640 is a spring, a first connecting column is disposed at one end of the bracket 100, a second connecting column is disposed on the lens barrel assembly 200, one end of the elastic element 640 is connected to the first connecting column, and one end is connected to the second connecting column.

Wherein, when the moving member 500 moves in the third direction, the rotating member 610 rotates to wind the flexible connector 630 thereon and pull the winding member 620 to move toward the moving member 500 side, and the winding member 620 drives one end of the lens barrel assembly 200 to stretch the elastic element 640;

the third direction may be a downward direction or an upward direction.

When the lock moving member 500 moves in the fourth direction, the rotating member 610 rotates reversely to unwind the flexible link 630 wound thereabove, and the elastic member 640 pulls the lens barrel assembly 200 to move away from the moving member 500 side. The fourth direction is opposite to the third direction.

When the lens barrel assembly 200 moves to the side close to the moving part 500, the flexible connector 630 is continuously wound and stored on the rotating part 610 along with the rotation of the rotating part 610, and the elastic element 640 is stretched by the movement of the lens barrel assembly 200;

when the rotating member 610 drives the lower lens barrel assembly 200 to move away from the moving member 500, the flexible connecting member 630 is continuously unfolded from the rotating member 610 along with the reverse rotation of the rotating member 610, and the elastic element 640 applies an elastic force to the lens barrel assembly 200 to drive the lens barrel assembly 200 to move.

The ratchet member 400 is locked after the moving member 500 moves in place regardless of whether the moving member 500 moves in the third direction or the fourth direction, and since the ratchet is locked, the moving member 500 is locked against movement, the two rotating members 610 engaged with the moving member 500 do not rotate, and the elastic members 640 of the left and right barrel assemblies 200 do not move to rebound even if the barrel assemblies 200 are pulled by an external force directed to both ends.

In some embodiments of the present utility model, the ratchet member 400 includes:

a ratchet body 430 having a plurality of ratchet teeth 411 bar portions 410 formed to extend outwardly from a circumference of the ratchet body 430, the ratchet teeth 411 bar portions 410 being provided at ends of the ratchet teeth 411 bar portions 410, and an installation space being formed between the ratchet teeth 411 bar portions 410 and the ring gear portion 121;

the pressing part 310 is a pressing protrusion protruding from the inner wall of the rotating handle 300 toward the ratchet member 400, and is disposed near the ratchet teeth 411 and arranged in the installation space, the pressing protrusion being coplanar with the ratchet teeth 411 and the ratchet teeth 411, and the ratchet teeth 411 and 410 being located on a rotation path along which the pressing protrusion rotates in the second direction.

When the rotating handle 300 rotates along the second direction, the pressing protrusion is driven to rotate, and as the pressing protrusion and the ratchet 411 bar portion 410 are coplanar and the ratchet 411 bar portion 410 is located on the rotating path, the pressing protrusion necessarily compresses the ratchet 411 bar portion 410 during rotation, the ratchet 411 bar portion 410 is deformed by pressing, and drives the ratchet 411 bar portion 410 and the gear ring portion 121 at the end portion to separate, at this time, the ratchet component 400 can rotate under the driving of the rotating handle 300 to adjust the distance of the lens barrel assembly 200.

In some embodiments of the present utility model, the moving part 500 includes:

the moving body 510, the moving body 510 is a long bar moving block vertically arranged at a position between the 2 lens barrel assemblies 200.

A first gear engagement part 520 formed on the moving body 510 and engaged with the gear part 420;

the first gear engagement portion 520 is a first rack formed on the moving body 510, which is disposed on a side wall of the moving body 510 near the ratchet member 400, is disposed perpendicular to the moving body 510, and extends along a length direction of the moving body 510.

The first rack is used for being meshed with the gear part 420 on the ratchet part 400, and when the ratchet part 400 rotates, the first rack can transmit power to the first gear matching part 520 through the gear part 420, so as to transmit power to the moving part 500;

a second gear engagement portion 530 formed on the moving body 510 for engagement with the rotating member 610.

The second gear engagement parts 530 are second racks formed at both side positions of the moving body 510 to be engaged with the rotating members 610 disposed at both side positions thereof to transmit power to the rotating members 610 to rotate.

In some embodiments of the present utility model, there are further included: a fixed shaft 900 rotatably installed on the bracket 100, and the rotating handle 300 and the ratchet member 400 are assembled to the fixed shaft 900;

the rotating handle 300 and the ratchet part 400 are assembled on the fixed shaft 900 in an interference manner, and when the rotating handle 300 rotates, the fixed shaft 900 and the ratchet part 400 fixed on the fixed shaft 900 can be driven to rotate.

The moving member 500 is provided with a sliding guide groove 540, the fixed shaft 900 passes through the sliding guide groove 540, and a stopper 550 for preventing the fixed shaft 900 from being separated from the sliding guide groove 540 is provided at one end of the fixed shaft 900 passing through the sliding guide groove 540. The limiting and disengaging stopping member 550 is a snap spring.

When the moving member 500 moves up and down, it can slide relative to the fixed shaft 900 through the sliding guide groove 540, and the limiting and guiding functions of the moving member 500 to move up and down are achieved through the cooperation of the sliding guide groove 540 and the fixed shaft 900.

In the specific assembly, the fixing shaft 900 sequentially passes through the rotating handle 300, and then extends out after passing through the sliding guide groove 540 of the ratchet part 400 and the moving part 500, and one end of the fixing shaft extending out of the sliding guide groove 540 is provided with a limiting support for limiting the sliding guide groove.

In some embodiments of the present utility model, to make the two sets of lens barrel assemblies 200 smoother during movement, the pupil distance adjusting mechanism in this embodiment further includes:

a rack and pinion moving assembly disposed at an upper end or/and a lower end position of the lens barrel assembly 200, comprising:

the rack member 720 disposed on the lens barrel assembly 200 may be directly integrally formed with the lens barrel assembly 200, or may be fixedly mounted on the lens barrel assembly 200, the rack member 720 being disposed to extend in the moving direction of the lens barrel assembly 200.

And a gear unit 730 rotatably coupled to the bracket 100, the gear unit 730 and the rack portion being engaged with each other.

When the two lens barrel assemblies 200 move relatively or oppositely, the rack part 720 above the two lens barrel assemblies can correspondingly engage with the gear part 730, so that the moving stability of the lens barrel assemblies 200 can be ensured.

The rack and pinion moving assembly may be provided in one set at an upper end position of the lens barrel assembly 200, in one set at a lower end position, or may be provided only at an upper end position, or in one set at a lower end position, without being particularly limited thereto.

In some embodiments of the present utility model, a sliding guide mechanism 800 is provided on the lens barrel assembly 200 and the bracket 100, which is disposed at an upper end or/and a lower end position of the lens barrel assembly 200, including:

a slide rail/rail arranged in a telescopic direction of the lens barrel assembly 200, which is provided on the holder 100;

and a slide/rail disposed on the barrel assembly 200.

If the sliding groove can be arranged on the lens barrel assembly 200, the sliding groove is in a strip shape, the corresponding sliding groove is arranged on the bracket 100, the sliding groove is connected with the sliding groove in a sliding fit manner, and when the lens barrel assembly 200 moves, the sliding groove can move along the sliding groove, so that a uniform and stable adjusting effect is realized.

When the slide is provided, it may be disposed to extend from one end of the holder 100 to the other end of the holder 100 along the movement of the lens barrel assembly 200.

Also, when arranged, the slide guide mechanism 800 may be arranged at an upper end position, or at a lower end position, or at both upper and lower end positions of the lens barrel assembly 200.

In some embodiments of the present utility model, a sliding guide assembly 750 is disposed between the bottom of the moving member 500 and the bracket 100, and the sliding guide assembly 750 includes:

a sliding member 751 disposed at the bottom of the moving member 500;

and a sliding port 752 arranged on the bracket 100, a support block is provided on the bracket 100, the support block is disposed opposite to the moving member 500, and the sliding port 752 starts on the support block;

a slide 751 is slidably disposed within the slide opening 752;

an elastic supporting element 753 disposed between the bracket 100 and the sliding member 751, wherein the elastic supporting element 753 may be a spring or a spring sheet, one end of which abuts against the bottom of the moving member 500, and one end of which abuts against the supporting block, and which can ensure the normal movement of the moving member 500 by being compressed and deformed by itself when the moving member 500 moves up and down;

when the moving member 500 moves in place, it can apply elastic force to the moving member 500, and is supported at the bottom of the moving member 500, so as to prevent the moving member 500 from sliding downward away from the rotating member 610, and ensure the anti-rebound effect of the pupil distance adjusting device.

In some embodiments of the present utility model, the bracket 100 includes:

a body frame 110;

and a stopper 120 mounted on the body frame 110, the gear ring portion 121 is formed on the stopper 120, the ratchet member 400 is positioned in the gear ring portion 121, and the rotation handle 300 is positioned between the stopper 120 and the body frame 110.

The body frame 110 is a body plate, and the blocking member 120 is a blocking plate, which is fixed on the body plate by a screw.

A space is formed between the body plate and the stopper plate, the rotation handle 300 is disposed in the space, and the ratchet member 400 is disposed in the ring gear portion 121.

In some embodiments of the present utility model, the rotating member 610 is provided with a protrusion, a first winding groove is formed on the protrusion, and a second winding groove is formed on the winding member 620.

The flexible connector 630 is a flexible cord, and when the rotating member 610 rotates and the lens barrel assemblies 200 approach each other, the flexible connector 630 connected between the winding member 620 and the rotating member 610 can be wound in the first winding groove to be received.

The utility model also provides an embodiment of the head-mounted equipment, and the head-mounted equipment further comprises the pupil distance adjusting mechanism in the embodiment.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The pupil distance adjusting device is characterized by comprising:

a bracket on which a ring gear portion is formed;

two lens barrel assemblies arranged side by side;

and a pupil distance adjusting structure arranged between the two lens barrel assemblies, the pupil distance adjusting structure comprising:

a rotating handle, on which a pressing part is formed;

a ratchet member having formed thereon: a ratchet rack portion engaged with the ring gear portion;

a gear portion;

the moving component can be meshed and matched with the gear part and can move up and down under the drive of the gear part;

the lens barrel displacement mechanism is provided with 2 groups which are respectively and correspondingly arranged with the two lens barrel components and are matched with the moving component, and can be driven to move towards the side close to the moving component or move away from the moving component when the moving component moves up and down so as to adjust the distance between the two groups of lens barrel components;

when the rotating handle rotates along a first direction, the ratchet rack part of the ratchet part can be meshed and matched with the gear ring part to rotate relative to the gear ring part, and when the rotating handle stops rotating, the ratchet rack part is matched with the gear ring part to realize locking;

when the rotating handle rotates along the second direction, the ratchet rack part of the ratchet part can be pressed by the pressing part to be separated from the gear ring part, the rotating handle rotates along the second direction under the drive of the rotating handle, and when the rotating handle stops rotating to press, the reset clamp is clamped into the gear ring part to realize locking.

2. The pupil distance adjusting device according to claim 1, wherein the lens barrel displacement mechanism includes:

the rotating parts are rotatably connected to the base body, two rotating meshing teeth are arranged at positions corresponding to the two lens barrel assemblies respectively, and the rotating meshing teeth are formed on the outer sides of the rotating parts and meshed with the moving parts and can rotate under the drive of the moving parts;

the winding part is provided with two winding parts which are respectively connected and fixed with the two lens cone assemblies;

one end of the flexible connecting piece is fixed on the rotating part, and the other end of the flexible connecting piece is fixed on the winding part;

elastic elements, 2 are arranged, each is connected between the lens barrel assembly and the bracket corresponding to the position of the elastic element;

when the moving part moves along a third direction, the rotating part rotates to wind the flexible connecting piece above the rotating part and tighten the winding part to move towards the side close to the moving part, and the winding part drives one end of the lens barrel assembly to stretch the elastic element;

when the lock moving member moves in the fourth direction, the rotating member rotates reversely to unwind the flexible link wound thereabove, and the elastic member pulls the lens barrel assembly to move away from the moving member side.

3. The pupil distance adjusting device according to claim 1, wherein the ratchet member comprises:

the ratchet body is provided with a plurality of ratchet rack parts which are formed by extending outwards from the periphery of the ratchet body, ratchet teeth are arranged at the end parts of the ratchet rack parts, and an installation space is formed between the ratchet rack parts and the gear ring parts;

a pressing part which is a pressing protrusion protruding from the inner wall of the rotating handle to the ratchet component side, is arranged near the ratchet rack part and is arranged in the installation space, the pressing protrusion is coplanar with the ratchet rack part, and the ratchet rack part

On a rotating path along which the pressing protrusion rotates in the second direction.

4. The pupil distance adjusting device according to claim 2, wherein the moving part includes:

moving the body;

a first gear engaging portion formed on the moving body, which is engaged with the gear portion;

and a second gear matching part formed on the moving body and used for being meshed and matched with the rotating part.

5. The pupil distance adjusting device according to claim 1, wherein,

the method also comprises the following steps: the fixed shaft is rotatably arranged on the support, the rotating handle and the ratchet wheel component are assembled on the fixed shaft, the moving component is provided with a sliding guide groove, the fixed shaft penetrates through the sliding guide groove, one end of the fixed shaft, which penetrates out of the sliding guide groove, is provided with a limiting anti-falling piece for preventing the fixed shaft from separating from the sliding guide groove, and the fixed shaft can slide relative to the fixed shaft through the sliding guide groove when the moving component moves up and down.

6. The pupil distance adjusting device of claim 1, further comprising:

the rack and pinion removes the subassembly, arranges in the upper end or/and lower extreme position of lens cone assembly, including:

a rack member disposed on the barrel assembly;

and a gear member rotatably coupled to the bracket, the gear member being engaged with the rack member.

7. The pupil distance adjusting device according to claim 1, wherein a slide guide mechanism is provided on the lens barrel assembly and the holder, which is arranged at an upper end or/and a lower end position of the lens barrel assembly, comprising:

a slide rail/rail arranged in a telescopic direction of the lens barrel assembly, which is provided on the bracket;

and a slide/rail disposed on the barrel assembly.

8. The pupil distance adjusting device according to claim 1, wherein a sliding guide assembly is provided between the bottom of the moving member and the bracket, the sliding guide assembly comprising:

arranging the sliding piece at the bottom of the moving part;

and a sliding port arranged on the bracket, the sliding piece being slidably disposed within the sliding port; and an elastic support element disposed between the bracket and the slider.

9. The pupil distance adjusting device according to claim 1, wherein the bracket comprises:

a body frame;

and a blocking member mounted on the body frame, the gear ring portion being formed on the blocking member, the ratchet member being located in the gear ring portion, and the rotating handle being located between the blocking member and the body frame.

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