CN214669877U - Adjustable lens unit and AR/VR glasses - Google Patents

Abstract

The utility model discloses an adjustable lens unit and AR/VR glasses. The adjustable lens unit comprises: a support body; the plurality of lenses are arranged on the supporting body and are sequentially arranged along the thickness direction of the adjustable lens unit, and each lens is provided with a matching part; the movable piece is movably arranged on the support body and is used for being respectively matched with the matching parts of the lenses, and the movable piece drives the matching parts to move so as to drive the corresponding lenses to move when moving; at least one matching part is an adjustable matching part, the adjustable matching part can be switched between a separation state and a combination state, the adjustable matching part is matched with the moving part in the combination state, and the adjustable matching part is separated from the moving part in the separation state. Wherein, the mirror surface of two at least lenses has the curved surface, and the mirror surface of the lens that is equipped with adjustable cooperation portion has the curved surface. According to the utility model discloses an adjustable lens unit, not only focusing, part quantity reduces moreover, and the assembly degree of difficulty reduces.

Description

Adjustable lens unit and AR/VR glasses

Technical Field

The utility model belongs to the technical field of AR/VR equipment technique and specifically relates to an adjustable lens unit and AR/VR glasses are related to.

Background

AR (Augmented Reality) glasses or VR (Virtual Reality) glasses are intelligent link equipment of a Virtual world and a real world, real world and Virtual content can be seen through the AR/VR glasses, and information interaction such as vision, hearing and the like can be carried out. When adopting AR/VR glasses as the interactive carrier of vision, if user oneself also wears myopia or hyperopia glasses, can produce because of AR/VR glasses and user's own glasses and interfere, lead to AR/VR glasses can't wear the jail.

The art has developed AR glasses with adjustable lens power to accommodate wearers of different spectacle powers. However, each lens in the scheme is provided with a whole set of adjusting mechanism, so that the number of parts is large, and the structure is slightly complex.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide an adjustable lens unit, which can adjust the position of the lens to adapt to the position of the eyes, adjust the diopter, save the number of parts, and simplify the structure.

Another object of the present invention is to provide an AR/VR glasses with the adjustable lens units of the above embodiments.

According to the utility model discloses adjustable lens unit, include: a support body; the lenses are arranged on the supporting body and sequentially arranged along the thickness direction of the adjustable lens unit, the mirror surfaces of at least two lenses are provided with curved surfaces, and each lens is provided with a matching part; the movable piece is movably arranged on the support body and is used for being respectively matched with the matching parts of the lenses, and the movable piece drives the matching parts to move so as to drive the corresponding lenses to move when moving; at least one of the matching parts is an adjustable matching part, the mirror surface of the lens provided with the adjustable matching part is provided with a curved surface, the adjustable matching part can be switched between a separation state and a combination state, the adjustable matching part is matched with the moving part in the combination state, and the adjustable matching part is separated from the moving part in the separation state.

According to the utility model discloses adjustable lens unit, when all adjustable cooperation portions are in the joint state, the moving part can cooperate with the cooperation portion of all lenses simultaneously, and all lenses removal can be adjusted simultaneously in the activity through the moving part from this, has realized the regulation of the global position of a plurality of lenses, can convenient to use person according to the eye position control lens position of self. The adjustable matching part can be switched to a separated state, so that the movable part can only match with one part of the matching part, the movable part drives the positions of part of the lenses to move when moving, and the positions of other lenses are not changed, and the diopter of the adjustable lens unit can be adjusted in a personalized manner, so that the adjustable lens unit is suitable for users with focusing requirements. And utilize adjustable cooperation portion to switch between separation mode and combination state, need not all set up the moving part on every lens, all lenses can share a moving part to part quantity reduces, and not only structural layout is compacter, can reduce the assembly degree of difficulty moreover, processing cost.

In addition, according to the present invention, the adjustable lens unit may further have the following additional technical features:

in some embodiments of the present invention, the adjustable lens unit further comprises: the clutch piece is movably arranged on the lens, and the adjustable matching part is arranged on the clutch piece.

In some embodiments of the present invention, the same side of the plurality of lenses is provided with an installation block, one part of the lenses is provided with the matching portion on the installation block, and the other part of the lenses is provided with the movable clutch member on the installation block.

In some embodiments of the present invention, a sliding groove is provided on the mounting block provided with the clutch member, and the clutch member is slidably engaged with the sliding groove.

In some embodiments of the present invention, the movable member and the mating portion are connected by a screw-fit connection, or the movable member and the mating portion are connected by a tooth-meshing connection.

In some embodiments of the present invention, when the movable member is connected with the engaging portion in a screw-fit manner, the movable member is a screw, and the engaging portion is a thread surface engaged with the screw.

In some embodiments of the present invention, the two ends of the screw are cylindrical portions, the support body is located on the two sides of the lens and is respectively provided with a supporting block, the supporting block is provided with a circular hole, and the screw passes through the cylindrical portions and the two sides of the supporting block and is matched with the circular hole.

In some embodiments of the present invention, at least one end of the screw is provided with an adjusting circular plate, and the surface of the adjusting circular plate is provided with a line.

According to the utility model discloses AR/VR glasses, include: each adjustable lens unit is the adjustable lens unit of the embodiment, the two adjustable lens units are arranged along the moving direction of the lens, the moving direction of the lens is perpendicular to the thickness direction, and the supporting bodies of the two adjustable lens units are connected to form the spectacle frame of the AR/VR spectacles.

According to the utility model discloses AR/VR glasses through being equipped with two adjustable lens units, can realize the regulation to the diopter of adjustable lens unit through the relative position between a plurality of lenses of adjusting adjustable lens unit to make AR/VR glasses can adjust according to different users 'vision condition, satisfy different visual users, promoted AR/VR glasses's practicality. In addition, a plurality of lenses in the two adjustable lens units can be adjusted by the moving part to move simultaneously, so that a user can adjust the positions of the lenses according to the actual positions of eyes. And each adjustable lens unit can be switched between a separation state and a combination state by using the adjustable matching part to select whether the corresponding lens moves or not without arranging moving parts on each lens, so that the number of parts is reduced, the structural layout is more compact, and the assembly difficulty and the processing cost can be reduced.

In addition, according to the utility model discloses an AR/VR glasses can also have following additional technical characterstic:

in some embodiments of the present invention, each of the adjustable lens units includes a first lens and a second lens, the object plane of the first lens is a plane, the image plane of the first lens is a curved surface, the object plane of the second lens is a curved surface, and the image plane of the second lens is a plane.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic perspective view of AR/VR glasses according to an embodiment;

FIG. 2 is an exploded view of the structure of AR/VR glasses in another embodiment;

FIG. 3 is a schematic illustration of the construction of the clutch member with adjustable engagement portions of the embodiment of FIG. 1;

FIG. 4 is a schematic view of a positional relationship of two lenses of an adjustable lens unit according to an embodiment;

FIG. 5 is a schematic view of another positional relationship of two lenses of the embodiment of FIG. 4;

FIG. 6 is a schematic view of another positional relationship of two lenses of the embodiment of FIG. 4;

FIG. 7 is a partial schematic structural view of the adjustable mating portion of the adjustable lens unit of the embodiment of FIG. 1 in an engaged state;

FIG. 8 is a partial perspective view of the adjustable mating portion of the adjustable lens unit of the embodiment of FIG. 1 in an engaged state;

FIG. 9 is a rear view of the AR/VR glasses of the embodiment of FIG. 1 with the adjustable mating portion in an engaged state;

FIG. 10 is a partial schematic structural view of the adjustable mating portion of the adjustable lens unit of the embodiment of FIG. 1 in a disengaged state;

FIG. 11 is a partial perspective view of the adjustable mating portion of the adjustable lens unit of the embodiment of FIG. 1 in a separated state;

FIG. 12 is a rear view of the AR/VR glasses of the embodiment of FIG. 1 with the adjustable engagement portions in a disengaged state.

Reference numerals:

AR/VR glasses 1000;

an adjustable lens unit 100; optical axis L1;

a frame 10; a support body 1; a support block 11; a circular hole 111;

a lens 2; a first lens 2 a; a second lens 2 b; a fitting portion 21; an adjustable mating portion 211; a mounting block 22; a chute 221;

a movable member 3; a screw 31; a cylindrical portion 311; the adjustment circular plate 312;

a clutch member 4; a slide bar 5.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "front" and "rear" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. The features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An adjustable lens unit 100 and AR/VR glasses 1000 according to an embodiment of the present invention are described below with reference to fig. 1-12.

An adjustable lens unit 100 according to an embodiment of the present invention, as shown in fig. 1 and 2, includes: the lens-fixing device comprises a support body 1, a plurality of lenses 2 and a movable piece 3, wherein the lenses 2 are arranged on the support body 1, and the support body 1 provides an installation carrier for the lenses 2. In the spectacles shown in fig. 1, two adjustable lens units 100 are provided, the support bodies 1 of the two adjustable lens units 100 are connected, and the two connected support bodies 1 form the frame of the spectacles. In fig. 1 and 2, the two supporting bodies 1 are integrally formed, but the solution of the present invention is not limited to the solution shown in fig. 1, and there are solutions in which the two supporting bodies 1 are connected by a structure such as a connecting rod or a nose pad, and the connection form between the two supporting bodies 1 is not limited herein. In addition, it is not excluded that in some applications, only one adjustable lens unit 100 is provided on the eyeglasses, or that some eyeglasses are designed with a larger number of adjustable lens units 100 for being worn by two persons, and the solution of the present application is not limited thereto.

Referring to fig. 1 to 2, a plurality of lenses 2 are provided on a support 1, and the plurality of lenses 2 are sequentially provided in a thickness direction (shown in fig. 1) of an adjustable lens unit 100. As shown in fig. 2, each lens 2 has an engaging portion 21, and the position of the lens 2 can be adjusted by engaging the engaging portion 21 with the movable member 3. Here, the plurality of lenses 2 form a lens assembly, for convenience of description, the central axes of the plurality of lenses 2 are referred to as an optical axis L1, and the plurality of lenses 2 are also arranged along the optical axis L1, as shown in fig. 4 to 6. When the lens combination has diopter, the optical axis L1 is a line passing through the rotational symmetry point of the lens, and the focal point of the adjustable lens unit 100 is located on the optical axis L1.

As shown in fig. 2, the movable element 3 is movably disposed on the supporting body 1, the movable element 3 is used for being respectively engaged with the engaging portions 21 of the lenses 2, and the movable element 3 drives the engaging portions 21 to move when moving, so as to drive the corresponding lenses 2 to move.

In other words, as shown in fig. 2, the movable element 3 is disposed on the support 1, and the movable element 3 can be simultaneously engaged with the engaging portions 21 of the lenses 2, so that the movable element 3 can drive the lenses 2 to move when moving, thereby adjusting the positions of the lenses 2. Therefore, when a user wears the adjustable lens unit 100, the positions of the lenses 2 relative to the eyes can be adjusted through the movable moving piece 3, so that the adjustable lens unit 100 is suitable for the human characteristics of different people, and the applicable crowd of the adjustable lens unit 100 is enlarged.

At least one of the engaging portions 21 is an adjustable engaging portion 211, the adjustable engaging portion 211 is switchable between a separated state and an engaged state, the adjustable engaging portion 211 is engaged with the movable element 3 in the engaged state, and the adjustable engaging portion 211 is disengaged from the movable element 3 in the separated state.

That is, in a single adjustable lens unit 100, only one mating portion 21 may be the adjustable mating portion 211, or all of the plurality of mating portions 21 may be the adjustable mating portions 211. When the engaging portion 21 is the adjustable engaging portion 211, the engaging portion 21 can engage with the movable member 3 or disengage from the movable member 3. When the engaging portion 21 engages with the movable element 3, the movable element 3 moves to drive the engaging portion 21 to move. When the engaging portion 21 is disengaged from the movable element 3, the movable element 3 moves while the engaging portion 21 remains in the same position.

Wherein, in the single adjustable lens unit 100, the mirror surfaces of at least two lenses 2 have curved surfaces. The lens surface of the lens 2 includes an object surface and an image surface of the lens 2, the object surface is a surface of the lens 2 away from the glasses when the lens is worn, and the image surface is a surface of the lens 2 facing the glasses when the lens is worn. The mirror surface of the lens 2 has a curved surface, which means that the lens 2 can be an object surface having a curved surface and the image surface being a plane surface, the lens 2 can also be an image surface having a curved surface and the object surface being a plane surface, and the lens 2 can also be an object surface and the image surface both being curved surfaces. The above-mentioned "the mirror surfaces of the at least two lenses 2 have curved surfaces" means that curved surfaces exist on the at least two lenses 2.

The mirror surface of the lens 2 provided with the adjustable matching part 211 is provided with a curved surface, so that a user can enable the adjustable matching part 211 of the lens 2 with the curved surface to be in a separated state, the moving part 3 drives the other lens 2 with the curved surface when moving, and the lens 2 with the adjustable matching part 211 in the separated state is not moved, so that the mutual positions of different curved surfaces can be adjusted, and the whole diopter of the adjustable lens unit 100 is changed.

As shown in fig. 7-9, which are state diagrams of the adjustable engaging portion 211 and the lens 2 in an embodiment, the adjustable engaging portion 211 can be in an engaging state by engaging the adjustable engaging portion 211 with the movable element 3, and the position of the lens 2 where the adjustable engaging portion 211 is located can be adjusted along with the movement of the movable element 3. As shown in fig. 10-12, which are schematic views of the adjustable engaging portion 211 and the movable element 3 in the same embodiment when the adjustable engaging portion 211 and the movable element 3 are separated from each other, the position of the lens 2 where the adjustable engaging portion 211 is located is not adjusted along with the movement of the movable element 3.

It can be seen from the above description of the embodiments that at least one of the matching portions 21 is set as the adjustable matching portion 211, so that a part of the matching portion 21 can be selectively matched with the movable member 3, and another part of the matching portion 21 is disengaged from the movable member 3, so that the relative positions of the plurality of lenses 2 in the same adjustable lens unit 100 can be adjusted when the movable member 3 moves, and accordingly, the diopter of the whole adjustable lens unit 100 can be adjusted, so that the adjustable lens unit 100 can adjust the diopter according to the vision condition of a user, and the requirements of different users can be met. The adjustable lens unit 100 is applied to some wearable devices (such as virtual devices), and a user can wear the adjustable lens unit more conveniently without wearing own glasses.

In this manner, the engagement with the movable element 3 can be controlled by switching the adjustable engagement portion 211 between the disengaged state and the engaged state. Therefore, when the diopter of the adjustable lens unit 100 needs to be adjusted, the movable element 3 does not need to be arranged on each lens 2, and all the lenses 2 can share one movable element 3, so that the number of parts is reduced, the structural layout is more compact, and the assembly difficulty and the processing cost can be reduced.

According to the utility model discloses adjustable lens unit 100, when all adjustable cooperation portions 211 are in the joint state, moving part 3 can cooperate with cooperation portion 21 of all lenses 2 simultaneously, can adjust all lenses 2 simultaneously to same direction removal through moving part 3's activity from this, has realized the regulation of the global position of a plurality of lenses 2, can convenient to use person according to the eye position regulation lens 2 position of self. Because the adjustable matching portion 211 can be adjusted to the separated state, the movable element 3 can only match with a part of the matching portion 21, when the movable element 3 moves, the position of a part of the lenses 2 is driven to move, and the positions of other lenses 2 are not changed, at this time, the diopter of the adjustable lens unit 100 can be adjusted in a personalized manner, so that the adjustable lens unit 100 is suitable for users with focusing requirements. And utilize adjustable cooperation portion 211 to switch between the separation mode and combine the state, all need not all set up moving part 3 on every lens 2, all lens 2 can share a moving part 3 to part quantity reduces, and not only structural layout is compacter, can reduce the assembly degree of difficulty moreover, processing cost.

In the solution of the present application, when the relative position of the two lenses 2 having curved surfaces changes, the diopter changes when light passes through, so that the diopter of the entire adjustable lens unit 100 can be adjusted. Here, when there are more than two lenses 2, only two lenses 2 may have curved surfaces, and also more lenses 2 may have curved surfaces, which is not limited herein.

In some embodiments, as shown in fig. 4, the object plane of the first lens 2a is a plane, the image plane of the first lens 2a is a curved plane, the object plane of the second lens 2b is a curved plane, and the image plane of the second lens 2b is a plane.

According to the Alvarez principle, the two lenses can achieve different lens effects by moving to complete different combinations. As shown in fig. 4, the two lenses 2 are in the middle position, that is, the central axes of the two lenses 2 are coincident with each other, and at this time, after the light sequentially passes through the first lens 2a and the second lens 2b, no refraction occurs, and the first lens 2a and the second lens 2b are combined to form a plane mirror. As shown in fig. 5, when the convex surface portion of the image plane of the first lens 2a is shifted to the central axis by a shift distance d, and the convex surface portion of the object plane of the second lens 2b is shifted to the central axis by a shift distance d, the combined lens is a combined lens generating a positive diopter as a whole. As shown in fig. 6, when the concave portion in the image plane of the first lens 2a is shifted to the central axis by a shift distance d, and the concave portion in the object plane of the second lens 2b is shifted to the central axis by a shift distance d, the combined lens is a combined lens generating negative diopter as a whole. Thus, the two lenses 2 can form different lens patterns by moving with each other, and can satisfy users with different myopia/hyperopia.

Therefore, no matter whether the user is short-sighted or long-sighted, the user does not need to wear separate short-sighted glasses or long-sighted glasses when in use, the adjustment function among the lenses 2 of the adjustable lens unit 100 can be realized, and the individual requirements of the short-sighted or long-sighted user under different conditions can be met.

In the solution of the present application, the connection manner between the fitting portion 21 and the lens 2 may be various. In some alternative embodiments, the mating portion 21 is non-removably attached to the lens 2, for example, the mating portion 21 may be slidably or rotatably attached to the lens 2. In other alternative embodiments, the mating portion 21 is detachably connected to the lens 2, so that the mating portion 21 can be directly engaged with and disengaged from the lens 2.

Specifically, the detachable assembly between the lens 2 and the fitting portion 21 may be a clamping manner of a buckle and a clamping groove, or an insertion manner of an insertion block and a socket.

In some schemes, the matching portion 21 and the lens 2 are fixedly connected, for example, the matching portion 21 and the lens 2 are integrally formed, so that the assembling stability between the matching portion 21 and the lens 2 can be improved.

As shown in fig. 2 and 3, in some embodiments, the adjustable lens unit 100 further includes a clutch 4, the clutch 4 being movably disposed on the lens 2, and the adjustable engagement portion 211 being disposed on the clutch 4. Therefore, when the position of the clutch 4 on the lens 2 moves, the relative position between the adjustable matching part 211 and the lens 2 can be driven to change, so that the adjustable matching part 211 is switched between a combining state and a separating state.

That is, in this embodiment, the adjustable engagement portion 211 is moved by the clutch member 4, so that the adjustable engagement portion 211 is switchable between the disengaged state and the engaged state. Of course, the present invention is not limited to this, and in some embodiments, the movable element 3 may be adjusted to disengage the movable element 3 from the engaging portion 21, so that the engaging portion 21 becomes the adjustable engaging portion 211.

In some embodiments, as shown in fig. 2, the plurality of lenses 2 are provided with mounting blocks 22 on the same side, the mounting block 22 of one portion of the lenses 2 is provided with a matching portion 21, and the mounting block 22 of the other portion of the lenses 2 is provided with a movable clutch 4. Therefore, the separation state and the combination state of the adjustable matching part 211 are adjusted through the clutch part 4, the position adjustment of the lens 2 with the matching part 21 can be realized when the movable element 3 moves, and the position adjustment of the lens 2 with the adjustable matching part 211 can be adjusted according to the position of the clutch part 4 or not along with the movement of the movable element 3.

An embodiment in which two lenses 2 are provided and designated as a first lens 2a and a second lens 2b for convenience of description will be described below. Wherein the first lens 2a and the second lens 2b are disposed in parallel and along the front-back direction as shown in fig. 2, for example, the first lens 2a is farther from the eye than the second lens 2b when worn.

In this embodiment, the lower end of the first lens 2a is provided with a mounting block 22, and the mounting block 22 is provided with a fitting portion 21. The lower end of the second lens 2b is provided with a mounting block 22, the mounting block 22 is provided with a clutch 4, and the clutch 4 is provided with an adjustable matching part 211. When the position of the clutch 4 makes the adjustable engaging portion 211 in the disengaged state after the first lens 2a is assembled with the second lens 2b, the movable member 3 rotates to adjust only the position of the first lens 2a, and the position of the second lens 2b remains unchanged. Thereby, an adjustment of the position of the individual lens 2 can be achieved, resulting in a diopter adjustment of the adjustable lens unit 100.

When the position of the clutch member 4 makes the adjustable engagement portion 211 in the engaged state, the movable member 3 rotates to adjust the positions of the first lens 2a and the second lens 2 b. Thereby, an adjustment of the position of the two lenses 2 can be achieved.

Specifically, as shown in fig. 2, mounting block 22 provided with clutch member 4 is provided with slide groove 221, and clutch member 4 is slidably fitted on slide groove 221. When the clutch member 4 is located inside the slide groove 221, the engaging portion 211 is engaged, and when the clutch member 4 is pulled out from the slide groove 221 or out of the slide groove 221, the engaging portion 211 can be disengaged, even if the position adjustment of the clutch member 4 realizes the switching between the disengaged state and the engaged state of the engaging portion 211.

Optionally, the matching manner between the clutch member 4 and the sliding groove 221 can also ensure that the movement track of the clutch member 4 is kept stable and does not deviate.

In the solution of the present application, the manner of engagement between the movable member 3 and the engagement portion 21 may be various.

In some embodiments, the movable member 3 and the engagement portion 21 can be in a threaded engagement. As shown in fig. 2, the movable member 3 includes a threaded rod 31 having an external thread, the engaging portion 21 is an internal thread, and the movable member 3 and the engaging portion 21 are engaged with each other by a thread, so that the engaging portion 21 can be moved when the movable member 3 is rotated. The movable portion 3 is now rotated. The lead of the thread is small by adopting the thread matching mode, so that the moving amplitude precision of the matching part 21 can be adjusted when the movable element 3 rotates.

Specifically, cooperation portion 21 that is equipped with on the installation piece 22 of partial lens 2 is the screw hole that sets up on the installation piece 22, and the screw hole extends along the length direction of lens 2, from this after the position of a plurality of lenses 2 is put, can once wear to locate in the cooperation portion 21 of a plurality of lenses 2 through moving part 3, the external screw thread that realizes moving part 3 and the internal thread of cooperation portion 21 carry out screw-thread fit, thereby when moving part 3 takes place to rotate, can pass through screw-thread fit, moving part 3 and cooperation portion 21 have formed screw nut's connected mode promptly, make cooperation portion 21 take place the position and remove, thereby drive lens 2 and take place to remove, the diopter that has realized through the change of lens 2 position realizes from this.

In other embodiments (not shown), the movable member 3 includes a friction rod, and the engagement portion 21 is a friction sleeve in contact therewith, so that when the friction sleeve contacts the friction rod, the movement of the movable member 3 can move the engagement portion 21 by friction. The movable portion 3 is movable in the form of movement.

In further embodiments, the movable element 3 and the mating portion 21 can also be connected in a toothed engagement, for example, the movable element 3 comprises a worm, and the mating portion 21 on the mounting block 22 is formed as a gear. Thereby, the movable piece 3 drives the mounting block 22 to move in the rotating process, and further drives the lens 2 to move, and diopter adjustment is realized.

As shown in fig. 3, the inner wall surface of clutch member 4 is provided with a threaded surface, that is, an engagement portion 21 is formed directly on the surface of clutch member 4 facing the inside of slide groove 221, which is referred to as an adjustable engagement portion 211.

As shown in fig. 2, 9 and 12, two ends of the screw 31 are cylindrical portions 311, support blocks 11 are respectively disposed on two sides of the lens 2 on the support body 1, circular holes 111 are disposed on the support blocks 11, and the screw 31 is engaged with the circular holes 111 of the support blocks 11 on two sides through the cylindrical portions 311.

Wherein the axis of the circular hole 111 is parallel to the longitudinal direction of the support body 1. The screw 31 has cylindrical portions 311 at both ends thereof, and as can be seen from fig. 2, the male screw of the screw 31 is provided between the cylindrical portions 311 at both ends. Or, the middle section of the moving part 3 forms an external thread, the peripheries of the two ends of the moving part 3 are smooth surfaces to form a cylinder, and the inside of the circular hole 111 on the supporting block 11 is also a smooth surface, so that the cylindrical portion 311 of the screw 31 is inserted into the circular hole 111 after the screw 31 is assembled on the supporting body 1 and the lens 2.

Therefore, when the screw 31 is rotated, the transverse position of the screw will not move, that is, the screw 31 can rotate in its original position, and the external thread at the middle part of the screw can be matched with the thread surface of the matching part 21, so as to ensure the position adjustment of the lens 2.

Further, as shown in fig. 2, at least one end of the screw 31 is provided with an adjusting circular plate 312, and the surface of the adjusting circular plate 312 is provided with grains. After the screw 31 sequentially penetrates through the matching portions 21 on the support 1 and the lens 2, the adjusting circular plate 312 can limit the screw 31 from going deep, and when the position of the lens 2 needs to be adjusted, the screw 31 can be rotated by adjusting the lines on the circular plate 312, thereby realizing the adjustment of the position of the lens 2.

The surface of the adjusting circular plate 312 is provided with grains, so that the friction force when the adjusting circular plate 312 contacts with the rotary moving part 3 can be increased, and the rotary moving part 3 can be more conveniently rotated by adjusting the circular plate 312.

According to the utility model discloses AR/VR glasses 1000, as shown in FIG. 1, include: two adjustable lens units 100, each adjustable lens unit 100 being the adjustable lens unit 100 of the above embodiment, the two adjustable lens units 100 being arranged along a moving direction of the lens 2, the moving direction of the lens 2 being perpendicular to the above thickness direction, or it can be said that each lens 2 can move along a direction perpendicular to L1. The support bodies 1 of the two adjustable lens units 100 are connected to form a frame 10 of the AR/VR glasses 1000.

Here, the AR/VR glasses 1000 may be AR glasses or VR glasses.

As described above, the plurality of lenses 2 are stacked along the optical axis L1 in each adjustable lens unit 100, so that the adjustable lens unit 100 becomes a lens combination with adjustable diopter by adjusting the relative positions of the plurality of lenses 2, and the diopter of the adjustable lens unit 100 can be adjusted to suit users with different eyesight by adjusting the relative positions between the plurality of lenses 2. Moreover, when the movable element 3 simultaneously adjusts the plurality of lenses 2 of the same adjustable lens unit 100 to move, the adjustment of the overall positions of the plurality of lenses 2 can be realized, so that the adjustment of the distance interval between the lenses 2 of the two adjustable lens units 100 is realized, that is, the distance between the lenses 2 of the two adjustable lens units 100 can be adjusted along with the actual binocular interval of the user.

According to the utility model discloses AR/VR glasses 1000 through being equipped with two adjustable lens unit 100, can realize the regulation to adjustable lens unit 100's diopter through adjusting the relative position between a plurality of lenses 2 of adjustable lens unit 100 to make AR/VR glasses 1000 can adjust according to different users ' vision condition, satisfy different visual users, promoted AR/VR glasses 1000's practicality. In addition, the movable element 3 can adjust the plurality of lenses 2 in the two adjustable lens units 100 to move towards one side at the same time, so that the user can adjust the positions of the plurality of lenses 2 according to the actual eye positions. And each adjustable lens unit 100 can be switched between a separation state and a combination state by using the adjustable matching part 211 to select whether the corresponding lens 2 moves or not, and a moving part 3 is not required to be arranged on each lens 2, so that the number of parts is reduced, the structural layout is more compact, and the assembly difficulty and the processing cost can be reduced.

In some embodiments, as shown in fig. 2, each adjustable lens unit 100 includes a first lens 2a and a second lens 2b, the object plane of the first lens 2a is a plane, the image plane of the first lens 2a is a curved plane, the object plane of the second lens 2b is a curved plane, and the image plane of the second lens 2b is a plane. Thus the outermost faces of each adjustable lens unit 100 are flat and the curved surfaces are located between the lenses 2.

The image plane of the first lens 2a is a curved surface, and the two first lenses 2a are both thick near the two sides of the outer side and thin near the inner side edge, i.e. the thickness decreases from outside to inside along the length direction. The thickness of each of the two second lenses 2b increases from outside to inside along the length direction thereof.

Therefore, the first lens 2a and the second lens 2b can be stably matched, and when the first lens 2a and the second lens 2b are located at the middle position of the adjustable lens unit 100, the whole thickness of the AR/VR glasses 1000 can be ensured to be reduced, the structural size of the AR/VR glasses 1000 is effectively reduced, and the structure of the AR/VR glasses 1000 is more compact and smaller.

In some embodiments, the support body 1 of the adjustable lens unit 100 is an integrally formed piece, that is, the support body 1 is provided with temples at both ends for convenient wearing.

Specifically, the adjustable lens unit 100 further includes a sliding rod 5, the sliding rod 5 is disposed on the upper portion of the support 1, and the sliding rod 5 penetrates the lens 2, so that the lens 2 can be supported to move smoothly.

Optionally, the lower end of the lens 2 is provided with a mounting block 22 to cooperate with the screw 31, the upper end of the lens 2 is also provided with a mounting block 22, the mounting block 22 is provided with a through hole, the sliding rod 5 is inserted into the through hole, and the sliding rod 5 is parallel to the screw 31. Therefore, the slide rod 5 and the screw 31 can be respectively matched with the mounting blocks 22 on the upper side and the lower side of the lens 2, so that the lens 2 can be stably assembled on the support body 1.

The principle is described below by way of example of one embodiment shown in fig. 1, 4-12.

As shown in fig. 1, in order to satisfy the use of users with different eyesight and to provide better use experience for users, two adjustable lens units 100 are disposed in parallel on AR/VR glasses to respectively correspond to the left and right eyes of the users. Each adjustable lens unit 100 has two lenses 2, and the two lenses 2 are arranged along a front-rear direction, which is the front-rear direction shown in fig. 1 and coincides with the thickness direction of the adjustable lens unit 100. And the relative surface of two lenses 2 is the curved surface, from this, is that to form a lens structure after the stack between two lenses 2, can have certain number of degrees, can realize adjustable lens unit 100's whole number of degrees change through the position of adjusting two lenses 2, satisfies the user of different eyesight.

Wherein, the adjustment of the two lenses 2 of the single adjustable lens unit 100 can be synchronous and same-directional adjustment, which is equivalent to adjusting the positions of the two lenses 2 in the single adjustable lens unit 2, i.e. the overall position of the lens, simultaneously, so that when the two adjustable lens units 100 can both adjust the position intervals of the lenses 2 according to the glasses positions of users or the binocular spacing.

The single lens 2 can be adjusted in one direction, so that the diopter of the whole lens structure can be changed through the adjustment of the position of the single lens 2, and users with different vision can be met.

In this embodiment, each adjustable lens unit 100 has mounting blocks 22 at the upper and lower ends of the lens 2, and the mounting block 22 at the upper end has a through hole. The two adjustable lens units 100 share a single slide bar 5. the slide bar 5 passes through support blocks 11 on the frame 10 and through a mounting block 22 at the upper end of each lens 2.

In each adjustable lens unit 100, the mounting blocks 22 at the lower ends of the two lenses 2 are provided with threaded holes, and a part of the threaded holes at the lower end of one lens 2 is formed in the clutch 4. The two adjustable lens units 100 are matched with the threaded holes on the respective lenses 2 through the screws 31, and the screws 31 are connected through the adjusting circular plate 312, so that when the adjusting circular plate 312 is rotated, the two screws 31 can rotate simultaneously, and the diopter of the two adjustable lens units 100 can be adjusted.

Fig. 2 shows the structure of an AR/VR glasses 1000 of another embodiment, which is substantially the same as the AR/VR glasses 1000 of fig. 1, except that the screws 31 of the two adjustable lens units 100 of the embodiment of fig. 2 are separated, each screw 31 is connected with an adjusting circular plate 312, and the diopter of each adjustable lens unit 100 can be adjusted independently.

In conclusion, the AR/VR glasses 1000 of the present application can satisfy users with different myopia/hyperopia by adjusting the positions of the front and rear lenses 2 to achieve different lens modes.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An adjustable lens unit, comprising:

a support body;

the lenses are arranged on the supporting body and sequentially arranged along the thickness direction of the adjustable lens unit, the mirror surfaces of at least two lenses are provided with curved surfaces, and each lens is provided with a matching part;

the movable piece is movably arranged on the support body and is used for being respectively matched with the matching parts of the lenses, and the movable piece drives the matching parts to move so as to drive the corresponding lenses to move when moving; wherein,

at least one cooperation portion is adjustable cooperation portion, be equipped with adjustable cooperation portion the mirror surface of lens has the curved surface, adjustable cooperation portion is changeable between separation state and combination state, during the combination state adjustable cooperation portion with the moving part cooperatees, during the separation state adjustable cooperation portion with the moving part breaks away from the cooperation.

2. The adjustable lens unit of claim 1, further comprising: the clutch piece is movably arranged on the lens, and the adjustable matching part is arranged on the clutch piece.

3. The adjustable lens unit of claim 2, wherein a mounting block is disposed on a same side of the plurality of lenses, the engaging portion is disposed on a portion of the mounting block of the lenses, and the movable clutch is disposed on another portion of the mounting block of the lenses.

4. The adjustable lens unit of claim 3, wherein the mounting block provided with the clutch is provided with a slide groove on which the clutch is slidably engaged.

5. The adjustable lens unit of claim 1, wherein the movable member is in threaded engagement with the engagement portion, or wherein the movable member is in toothed engagement with the engagement portion.

6. The adjustable lens unit of claim 5, wherein when the movable member is in threaded engagement with the engagement portion, the movable member is a threaded rod and the engagement portion is a threaded surface engaged with the threaded rod.

7. The adjustable lens unit of claim 6, wherein the screw has two cylindrical portions at two ends, and the support body is provided with support blocks at two sides of the lens, the support blocks being provided with circular holes, and the screw is engaged with the circular holes of the support blocks at two sides through the cylindrical portions.

8. The adjustable lens unit of claim 6, wherein at least one end of the screw is provided with an adjustment circular plate, and the surface of the adjustment circular plate is provided with a texture.

9. An AR/VR glasses, comprising: two adjustable lens units, each adjustable lens unit according to any one of claims 1-8, arranged along a direction of movement of the lens, the direction of movement of the lens being perpendicular to the thickness direction, the supports of the two adjustable lens units being connected to form a frame of the AR/VR glasses.

10. The AR/VR glasses of claim 9, wherein each of the adjustable lens units comprises a first lens and a second lens, the object surface of the first lens is a flat surface, the image surface of the first lens is a curved surface, the object surface of the second lens is a curved surface, and the image surface of the second lens is a flat surface.

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