CN207557583U

CN207557583U - A kind of regulating device and head show equipment

Info

Publication number: CN207557583U
Application number: CN201721602232.XU
Authority: CN
Inventors: 兰向东
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2017-11-24
Filing date: 2017-11-24
Publication date: 2018-06-29
Anticipated expiration: 2027-11-24

Abstract

The utility model embodiment discloses a kind of regulating device and head shows equipment, regulating device, including：Runner, interpupillary distance adjusting part and object distance adjusting part；Wherein, interpupillary distance adjusting part includes：First screw rod, the interpupillary distance adjustment actuating mechanism that connection is engaged with the first screw rod；Object distance adjusting part includes：Second screw rod, the object distance adjustment actuating mechanism that connection is engaged with the second screw rod；The center of runner is equipped with through-hole, and through-hole, the first screw rod and the second screw coaxial, runner can be in the axial direction in the first screw rod with moving on the second screw rod；When runner is moved on the first screw rod, runner is connect with the first screw rod by connection structure, and runner can drive the first screw rod to rotate together；When runner is moved on the second screw rod, rotation is connect with the second screw rod by connection structure, and runner can drive the second screw rod to rotate together.The technical solution that the utility model embodiment provides only is adjusted by the i.e. controllable interpupillary distance of runner or object distance is adjusted, simple to operate.

Description

Adjusting device and head display equipment

Technical Field

The embodiment of the utility model provides a belong to wearable equipment technical field, specifically speaking relates to an adjusting device and first apparent equipment.

Background

With the development of VR (virtual Reality)/AR (Augmented Reality) technology, many VR/AR head-mounted devices are on the market. VR/AR headsets are devices for displaying images and colors, usually in the form of eye shields or helmets, that hold a display screen close to the user's eyes, adjusting the focal length through the optical path to project a picture to the eyes at close distances. In order to meet the requirements of users with near/far vision, currently used head-mounted devices can adjust the pupil distance (distance between left/right barrels) alone, the object distance (distance between a display screen and eyes) alone, or both the pupil distance and the object distance.

However, when the currently used head-mounted device is used for adjusting the interpupillary distance and the object distance, the adjustment needs to be carried out through two mechanisms and two trigger keys. The two trigger keys are operated respectively, so that synchronization of the left lens barrel and the right lens barrel is difficult to meet, the adjusting precision is poor, the problems that an adjusting mechanism is blocked or a display screen is inclined and the like are easily caused, and the visual effect is seriously influenced. Moreover, the user is inconvenient to adjust after wearing and is difficult to use.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides an adjusting device and a head display device, which can adjust the object distance and the pupil distance by operating only one component, thereby facilitating the use of the user.

For solving the technical problem among the prior art, the embodiment of the utility model provides an adjusting device, it includes: the rotating wheel, the pupil distance adjusting component and the object distance adjusting component; wherein,

the interpupillary distance adjusting assembly includes: the pupil distance adjusting and executing mechanism is meshed with the first screw rod;

the object distance adjusting assembly includes: the object distance adjusting and executing mechanism is meshed with the second screw rod;

a through hole is formed in the center of the rotating wheel, the through hole, the first screw rod and the second screw rod are coaxial, and the rotating wheel can move on the first screw rod and the second screw rod along the axis direction;

when the rotating wheel moves onto the first screw rod, the rotating wheel is connected with the first screw rod through a connecting structure, and the rotating wheel can drive the first screw rod to rotate together; when the rotating wheel moves to the second screw rod, the rotating wheel is connected with the second screw rod through the connecting structure, and the rotating wheel can drive the second screw rod to rotate together.

Optionally, the connection structure comprises: the elastic plug-in unit and the groove matched with the elastic plug-in unit; wherein,

the elastic plug-in is arranged on the hole wall of the through hole of the rotating wheel, and the first screw rod and the second screw rod are provided with the grooves; or

The first screw rod and the second screw rod are both provided with the elastic plug-in units, and the hole wall of the through hole of the rotating wheel is provided with the groove.

Optionally, the resilient insert is a resilient bayonet or a resilient snap bead.

Optionally, the interpupillary distance adjusting actuator includes: the gear rack comprises a first gear, a second gear, a first rack and a second rack; wherein,

the first gear and the second gear are connected through a straight rod;

the first gear is meshed with the first screw;

the first rack is parallel to the second rack;

the second gear is located between the first rack and the second rack and is meshed with the first rack and the second rack respectively.

Optionally, the object distance adjusting actuator comprises: the driving rod, the actuating rod and the pushing piece;

the transmission rod is provided with a first bevel gear and a third gear meshed with the second screw rod;

the actuating rod is provided with a second bevel gear meshed with the first bevel gear;

the pushing piece is in threaded connection with the actuating rod;

the second screw rod drives the third gear to rotate, the third gear drives the first bevel gear to rotate, and the second bevel gear drives the actuating rod to rotate, so that the pushing piece moves along the axis direction of the actuating rod.

Optionally, the method further comprises: a runner push plate;

the rotating wheel push plate is provided with a rotating wheel hole, and two parallel push plates are arranged on two opposite side edges of the rotating wheel hole;

the rotating wheel enters the gap between the two push plates through the rotating wheel hole, and the rotating wheel is parallel to the two push plates.

Correspondingly, the embodiment of the present invention further provides a head display device, which includes a first lens barrel, a second lens barrel, a display and an adjusting device as described in the above; wherein,

the first lens barrel and the second lens barrel are both connected with a pupil distance adjusting and executing mechanism;

the display is connected with the object distance adjusting and executing mechanism;

when the rotating wheel drives the first screw to rotate together, the interpupillary distance between the first lens barrel and the second lens barrel can be adjusted;

when the rotating wheel drives the second screw to rotate together, the object distance between the display and the first lens cone and between the display and the second lens cone can be adjusted.

Optionally, the object distance adjustment actuator comprises a pusher;

the display is provided with a mounting groove, and the pushing piece is fixedly mounted in the mounting groove.

Optionally, the method further comprises: the device comprises a front shell, a partition board with a display port, a middle shell with an operation hole and a rear shell with a mirror hole; wherein,

the middle shell is divided into a display cavity and a lens barrel cavity by the partition board, the front shell is connected with the middle shell and covers the display cavity, and the rear shell is connected with the middle shell and covers the lens barrel cavity;

in the lens cone cavity, a first connecting part is arranged on the partition plate, a second connecting part is arranged on the rear shell, one end of the first screw rod is connected with the first connecting part, the other end of the first screw rod is sleeved with the second screw rod, the other end of the second screw rod is connected with the second connecting part, and a control part extends out of the operation hole;

the display is arranged in the display cavity and movably connected with the middle shell;

the first lens barrel and the second lens barrel are arranged in the lens barrel cavity and movably connected with the middle shell.

Additionally, optionally, the adjustment device comprises a wheel pusher;

the rotating wheel push plate is movably connected with the middle shell;

two push plates of the runner push plate extend outwards from the operation hole.

The embodiment of the utility model provides a technical scheme through conversion runner and the connection of first screw rod or second screw rod, can switch over control interpupillary distance adjustment actuating mechanism and object distance adjustment actuating mechanism to realize interpupillary distance regulation or object distance and adjust. The embodiment of the utility model provides an adjustment mechanism, simple structure, occupation space is little, and operating element is few moreover, only can realize interpupillary distance or object distance through a part and adjust, and operation process is simple and convenient, can let different visual users use the first equipment that shows extremely conveniently.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain embodiments of the invention and are not intended to limit the embodiments of the invention unduly.

In the drawings:

fig. 1 is an exploded schematic view of an adjusting device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first screw rod according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a second screw rod according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the interpupillary distance adjusting assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an object distance adjusting assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a runner push plate according to an embodiment of the present invention;

FIG. 7 is an exploded view of the head display device according to the embodiment of the present invention;

fig. 8 is a schematic perspective view of a head display device according to an embodiment of the present invention;

fig. 9 is a schematic plan structure view of a head display device according to an embodiment of the present invention;

fig. 10 is a schematic diagram of the position of the rotating wheel when the interpupillary distance is adjusted according to the embodiment of the present invention;

FIG. 11 is a cross-sectional view taken along line A-A of FIG. 9;

fig. 12 is a schematic view of the position of the rotating wheel when the object distance is adjusted according to the embodiment of the present invention;

fig. 13 is a sectional view of fig. 12 taken along a-a direction in fig. 9.

Description of the reference numerals

10: a rotating wheel; 11: a through hole; 12: an elastic insert; 13: a groove;

20: a first screw; 21: a first gear; 22: a second gear; 23: a first rack; 24: a second rack;

30: a second screw; 31: a transmission rod; 32: an actuating lever; 33: a pusher member; 34: a first bevel gear; 35: a third gear; 36: a second bevel gear;

40: a runner push plate; 41: a runner hole; 42: pushing the plate;

50: a first barrel; 51: a second barrel; 52: a display; 53: mounting grooves; 54: a front housing; 55: a middle shell; 56: a rear shell.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope protected by the embodiments of the present invention.

In some of the flows described in the specification, claims, and above-described figures of the present invention, a number of operations are included that occur in a particular order, and may be performed out of order or in parallel as they occur herein. The sequence numbers of the operations, e.g., 101, 102, etc., are used merely to distinguish between the various operations, and do not represent any order of execution per se. Additionally, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel. It should be noted that, the descriptions of "first", "second", etc. in this document are used for distinguishing different messages, devices, modules, etc., and do not represent a sequential order, nor limit the types of "first" and "second" to be different.

The inventor is realizing the utility model discloses an in-process discovery, the head that uses at present shows equipment when carrying out interpupillary distance and object distance regulation, need go to adjust through two sets of mechanisms, two trigger button, adjusts troublesome poeration, and the condition that the user selected the adjustment button by mistake easily appears, influences user's visual effect.

Therefore, for solving the defect among the prior art, the embodiment of the utility model provides an adjusting device and head show equipment only can realize adjusting object distance and interpupillary distance through operating a part, and convenience of customers uses.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings and embodiments, so that the implementation process of solving the technical problem and achieving the technical effect by applying the technical means of the embodiments of the present invention can be fully understood and implemented, and the structure of the present invention will be further described with reference to the drawings.

Example 1

Fig. 1 is an exploded schematic view of an adjusting device according to an embodiment of the present invention, as shown in fig. 1.

An embodiment of the utility model provides an adjusting device, it includes: the rotating wheel 10, the pupil distance adjusting component and the object distance adjusting component.

Wherein, interpupillary distance adjusting part includes: a first screw 20 and a pupil distance adjusting actuator engaged with the first screw 20.

The object distance adjusting assembly comprises: a second screw rod 30 and an object distance adjusting actuating mechanism meshed and connected with the second screw rod 30.

The center of the runner 10 is provided with a through hole 11. The through hole 11, the first screw 20 and the second screw 30 are coaxial, and the runner 10 can move on the first screw 20 and the second screw 30 along the axial direction.

When the runner 10 moves onto the first screw 20, the runner 10 is connected with the first screw 20 through the connection structure, and the runner 10 can drive the first screw 20 to rotate together. When the rotating wheel 10 moves onto the second screw 30, the rotating wheel rotates and is connected with the second screw 30 through the connecting structure, and the rotating wheel 10 can drive the second screw 30 to rotate together.

When the turning wheel 10 drives the first screw 20 to rotate together, the first screw 20 can control the pupil distance adjusting actuator to adjust the pupil distance. When the runner 10 drives the second screw 30 to rotate together, the second screw 30 can control the object distance adjusting actuator to adjust the object distance. The embodiment of the utility model provides a technical scheme is through conversion runner 10 and first screw rod 20 or the connection of second screw rod 30 for only can control interpupillary distance adjustment actuating mechanism and object distance adjustment actuating mechanism through runner 10, and then carry out interpupillary distance regulation or object distance regulation. The adjusting mechanism has the advantages of simple structure, small occupied space and few operating components, and pupil distance or object distance adjustment can be realized only through one component. The operation process is simple and convenient, the wearing comfort level is improved, and users with different eyesight can use the head display device extremely conveniently.

The following provides a further detailed description of the adjusting device according to the embodiment of the present invention.

Referring to fig. 1 to 3, the connection structure includes: a resilient insert 12 and a recess 13 cooperating with the resilient insert 12. The resilient insert 12 includes, but is not limited to, a resilient detent or a resilient bead.

In one implementation, the elastic insert 12 is disposed on the wall of the through hole 11 of the rotating wheel 10, and the grooves 13 are disposed on the first screw 20 and the second screw 30.

The elastic insert 12 is an elastic clamping bead, for example, the elastic clamping bead includes a fixing member, a spring and a ball. The wall of the through hole 11 of the runner 10 is provided with a connecting groove 53. The fixed part is fixedly connected in the connecting groove 53, and the spring is arranged between the fixed part and the ball. The balls are disposed at notches of the coupling groove 53, and the notches of the coupling groove 53 have a size smaller than that of the balls, and the balls may partially protrude through the notches. Alternatively, the fixing member may be omitted, the spring fixed in the connecting groove 53, and the ball disposed between the notch and the spring.

The elastic clamping beads can be a plurality of elastic clamping beads which are uniformly distributed on the hole wall of the through hole 11 of the rotating wheel 10 in the circumferential direction. For example, there are two elastic clamping beads, which can be divided into a first elastic clamping bead and a second elastic clamping bead, and the first elastic clamping bead and the second elastic clamping bead are arranged side by side along the axial direction of the through hole 11 of the rotating wheel 10. Correspondingly, the number of the grooves 13 is also multiple, the multiple grooves 13 are uniformly and circumferentially distributed on the first screw rod 20 at positions matched with the elastic clamping beads, and the multiple grooves 13 are uniformly and circumferentially distributed on the second screw rod 30 at positions matched with the elastic clamping beads.

Taking the connection between the roller 10 and the first screw 20 as an example, when the roller 10 moves on the first screw 20, the balls in the elastic balls are compressed into the connecting groove 53 of the first screw 20. When the runner 10 moves to the position of the groove 13, the balls in the elastic clamping balls extend into the groove 13, and the first screw rod 20 can be driven to rotate by the elastic clamping balls when the runner 10 rotates.

Of course, the connection structure includes another implementation manner besides the above-mentioned arrangement manner, the first screw 20 and the second screw 30 are both provided with the elastic inserts 12, and the hole wall of the through hole 11 of the rotating wheel 10 is provided with the groove 13. The above two methods may be used in combination, and are not particularly limited herein.

In the embodiment of the present invention, for realizing the adjustment of the interpupillary distance, an implementation manner is that, referring to fig. 1 and fig. 4, the interpupillary distance adjusting and actuating mechanism includes: a first gear 21, a second gear 22, a first rack 23 and a second rack 24. Wherein, the first gear 21 and the second gear 22 are connected by a straight rod. The first gear 21 is engaged with the first screw 20. The first rack 23 is parallel to the second rack 24. The second gear 22 is located between the first rack 23 and the second rack 24, and is meshed with the first rack 23 and the second rack 24, respectively.

Specifically, the rotating wheel 10 is connected with the first screw 20 through a connecting structure, when the rotating wheel 10 drives the first screw 20 to rotate together, the first screw 20 drives the first gear 21 to rotate, and the second gear 22 and the first gear 21 rotate synchronously. When the wheel 10 rotates in different directions (clockwise or counterclockwise), the second gear 22 can be driven to rotate in different directions. When the second gear 22 rotates in different directions, the first rack 23 and the second rack 24 engaged with the second gear are driven to move in opposite or opposite directions. In practical use, the first rack 23 and the second rack 24 are respectively connected to different lens barrels, and when the first rack 23 and the second rack 24 move in opposite directions, the pupil distance between different lens barrels can be adjusted.

With reference to fig. 4, the first screw 20 is perpendicular to the straight rod connecting the first gear 21 and the second gear 22, and the first screw 20 outputs power to the first gear 21 in various ways, which can be realized in a manner that the first screw 20 includes screw teeth and the first gear 21 is a straight gear. The screw gear can drive the straight gear to rotate when rotating. Alternatively, the first screw 20 may be a bevel gear and the first gear 21 may be a bevel gear.

The first rack 23 and the second rack 24, which are engaged with the second gear 22, are straight gears, and smoothness of movement can be ensured when the interpupillary distance is adjusted.

In the embodiment of the present invention, in order to realize the adjustment of the object distance, an implementation manner is that, referring to fig. 1 and 5, the object distance adjusting actuator includes: a transmission rod 31, an actuating rod 32 and a pushing piece 33. The transmission rod 31 is provided with a first bevel gear 34 and a third gear 35 engaged with the second screw 30. The actuating lever 32 is provided with a second bevel gear 36 which is engaged by the first bevel gear 34. The pushing member 33 is screw-coupled to the actuating rod 32.

The second screw 30 drives the third gear 35 to rotate, the third gear 35 drives the first bevel gear 34 to rotate, and the second bevel gear 36 drives the actuating rod 32 to rotate, so that the pushing member 33 moves along the axial direction of the actuating rod 32.

Specifically, the rotating wheel 10 is connected with the second screw 30 through a connecting structure, when the rotating wheel 10 drives the second screw 30 to rotate together, the second screw 30 drives the third gear 35 to rotate, the first bevel gear rotates synchronously with the third gear 35, and the first bevel gear drives the second bevel gear to rotate, so that the rotation of the actuating rod 32 is realized. When the wheel 10 rotates in different directions (clockwise or counterclockwise), the actuating rod 32 can be driven to rotate in different directions. When the actuating rod 32 rotates in different directions, the pushing member 33 can be driven to reciprocate along the axial direction of the actuating rod 32. In practical use, the pushing member 33 is connected with the display 52, and when the pushing member 33 reciprocates along the axial direction of the actuating rod 32, the display 52 can be driven to reciprocate along the axial direction of the actuating rod 32, so that the object distance of the display 52 can be adjusted.

With continued reference to fig. 5, the second screw 30 is perpendicular to the transmission rod 31, and the manner of outputting power from the second screw 30 to the transmission rod 31 includes various manners, and one manner that the second screw 30 includes a thread tooth and the third gear 35 is a spur gear can be realized. Alternatively, the second screw 30 and the third gear 35 are both bevel gears.

The transmission rod 31 is perpendicular to the actuating rod 32, and includes a first bevel gear 34 as a screw tooth and a second bevel gear 36 as a straight gear, in addition to outputting power by a bevel tooth method.

It should be noted that the number of the pushing members 33 may be one or more, and the number of the actuating rods 32 corresponds to the number of the pushing members 33. In practical use, the pushing member 33 is connected to the display 52, and in order to ensure that the display 52 can move smoothly, the pushing member 33 is preferably double-numbered and symmetrically distributed on the transmission rod 31 by taking the third gear 35 as a center.

Referring to fig. 1 and 6, in order to facilitate the user to switch the wheel 10 to connect with the first screw 20 or the first screw 20, the adjusting device further includes: a wheel pusher plate 40.

In one implementation of the wheel pushing plate 40, the wheel pushing plate 40 is provided with a wheel hole 41, and two parallel pushing plates 42 are provided on two opposite sides of the wheel hole 41. The rotating wheel 10 enters the gap between the two push plates 42 through the rotating wheel hole 41, and the rotating wheel 10 is parallel to the two push plates 42.

The user operates the wheel 10 through the wheel pushing plate 40, thereby switching the connection of the wheel 10 with the first screw 20 or the first screw 20. In order to facilitate the user to know the connection state of the wheel 10 accurately when switching, indication marks may be provided on the wheel pushing plate 40, for example, indication texts or graphics may be provided on two opposite sides of the wheel hole 41.

Example 2

Fig. 7 is an exploded schematic view of a head display device according to an embodiment of the present invention, referring to fig. 7.

Accordingly, the embodiment of the present invention further provides a head display apparatus, which includes a first lens barrel 50, a second lens barrel 51, a display 52 and an adjusting device as described above. Wherein,

the first lens barrel 50 and the second lens barrel 51 are both connected with a pupil distance adjusting actuating mechanism;

the display 52 is connected with the object distance adjusting actuating mechanism;

when the runner 10 drives the first screw 20 to rotate together, the interpupillary distance between the first lens barrel 50 and the second lens barrel 51 can be adjusted;

when the wheel 10 drives the second screw 30 to rotate together, the object distance between the display 52 and the first and second lens barrels 50 and 51 can be adjusted.

How the interpupillary distance and the object distance of the head display device are adjusted is described by a specific use scene.

Referring to fig. 8 to 11, when the interpupillary distance of the head display device needs to be adjusted, the rotating wheel 10 is pushed to the position shown in fig. 10, at this time, referring to fig. 11, the rotating wheel 10 is connected with the first screw rod 20, and the elastic plug-in 12 on the rotating wheel 10 extends into the groove 13. At this time, the rotating wheel 10 is rotated clockwise or counterclockwise, the rotating wheel 10 drives the first screw 20 to rotate, the first screw 20 drives the first gear 21 to rotate, the second gear 22 and the first gear 21 rotate synchronously, and the second gear 22 drives the first rack 23 and the second rack 24 to move back to back or opposite to each other when rotating in different directions, so that the first rack 23 and the second rack 24 drive the first lens barrel 50 and the second lens barrel 51 to move back to back or opposite to each other. When the rotation of the wheel 10 is stopped, the adjustment of the interpupillary distance is completed.

When the object distance needs to be adjusted, referring to fig. 8 and 9, and fig. 12 and 13, the rotating wheel 10 is pushed to the position shown in fig. 12, at this time, referring to fig. 13, the rotating wheel 10 is connected with the second screw 30, and the elastic insert 12 on the rotating wheel 10 extends into the groove 13. At this time, the runner 10 is rotated clockwise or counterclockwise, the runner 10 drives the second screw 30 to rotate, the second screw 30 drives the transmission rod 31 to rotate, the transmission rod 31 drives the actuating rod 32 to rotate, and the actuating rod 32 drives the pushing member 33 to make linear reciprocating motion along the axial direction of the actuating rod 32 when rotating in different directions. When the rotating wheel 10 stops rotating, the object distance is adjusted.

With continued reference to fig. 7, the head display apparatus further comprises: a front shell 54, a partition with a display port, a middle shell 55 with an operation hole, and a rear shell 56 with a mirror hole.

Wherein, the middle shell 55 is divided into a display cavity and a lens barrel cavity by the partition board, the front shell 54 is connected with the middle shell 55 and covers the display cavity, and the rear shell 56 is connected with the middle shell 55 and covers the lens barrel cavity.

In the lens cone cavity, a first connecting part is arranged on the partition board, a second connecting part is arranged on the rear shell 56, one end of the first screw rod 20 is connected with the first connecting part, the other end of the first screw rod is sleeved with the second screw rod 30, the other end of the second screw rod 30 is connected with the second connecting part, and the control part extends out of the operation hole.

The display 52 is disposed within the display cavity and is movably coupled to the middle housing 55. The display surface of the display 52 faces the lens barrel direction, and projects an image to the lens barrel through the display opening. The object distance adjusting actuator comprises a pushing part 33, and the pushing part 33 and the display 52 can be realized in a mode that a connecting groove 53 is arranged on the display 52, and the pushing part 33 is fixedly installed in the connecting groove 53. The actuating rod 32 passes through the partition and is connected to the pushing member 33.

The first barrel 50 and the second barrel 51 are disposed in the barrel cavity and movably connected with the middle shell 55. When the user uses the head display device, the first lens barrel 50 and the second lens barrel 51 in the lens barrel cavity can be used through the lens hole on the rear shell 56, and the image on the display 52 can be viewed through the display port through the first lens barrel 50 and the second lens barrel 51.

In addition, referring to FIG. 8, the adjustment means includes a wheel pusher plate 40. The wheel pusher plate 40 is movably coupled to the center housing 55. Two pusher plates 42 of the wheel pusher plate 40 extend outwardly from the access opening. The user can drive the rotating wheel 10 to connect with the first screw rod 20 or the second screw rod 30 by operating the rotating wheel push plate 40.

In the embodiment of the present invention, the head display device includes but is not limited to a head mounted VR (Virtual Reality) device.

For example, the display device in the embodiment of the present invention includes, but is not limited to, an external display device, an integrated display device, or a case, wherein the display in the case can be replaced by an external display device such as a mobile phone.

If the external display device is in an external connection type, the width of the head display device can be not more than 220mm, the thickness of the head display device can be not more than 130mm, and the height of the head display device can be not more than 170 mm.

If the head display device is an integral body, the width of the head display device can be not more than 220mm, the thickness of the head display device can be not more than 130mm, and the height of the head display device can be not more than 170 mm.

If the head display device is of a shell type, the width of the head display device can be not more than 220mm, the thickness can be not more than 120mm, and the height can be not more than 170 mm.

Wherein, the parallel direction with the double-eye connecting line is the width direction, the horizontal visual direction is the thickness direction, and the vertical direction is the height direction.

The implementation principle and technical effect of the device in embodiment 2 refer to embodiment 1, and the features in embodiment 1 and embodiment 2 correspond to each other and may be referred to each other, which is not described herein again.

To sum up, the embodiment of the utility model provides a technical scheme through the conversion runner with first screw rod or the connection of second screw rod, adjusts pupil distance adjusting block or adjusts object distance adjusting block through pupil distance adjusting block, and then adjusts the pupil distance of the lens cone of being connected with pupil distance slider, or adjusts the object distance of the display of being connected with object distance adjusting block. The adjusting mechanism is simple in structure, small in occupied space, few in operating parts, simple and convenient in operation process, capable of improving wearing comfort, and capable of enabling users with different eyesight to use the head display device extremely conveniently.

It should be noted that, although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention should not be construed as limited to the scope of the present invention. Various modifications and changes may be made by those skilled in the art without inventive work within the scope of the present invention as described in the claims.

The examples of the embodiment of the present invention are intended to concisely illustrate the technical features of the embodiments of the present invention, so that a person skilled in the art can visually understand the technical features of the embodiments of the present invention, and do not act as an improper limitation of the embodiments of the present invention.

The above-described apparatus embodiments are merely illustrative, wherein the units described as separate components may or may not be physically separate. One of ordinary skill in the art can understand and implement it without inventive effort.

While the foregoing description shows and describes several preferred embodiments of the present invention, it is to be understood, as noted above, that the embodiments are not limited to the forms disclosed herein, but are not to be considered as exclusive of other embodiments, and are capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. Modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the embodiments of the invention, which should be limited only by the claims appended hereto.

Claims

1. An adjustment device, characterized in that it comprises: the rotating wheel, the pupil distance adjusting component and the object distance adjusting component; wherein,

2. The adjustment device of claim 1, wherein the connection structure comprises: the elastic plug-in unit and the groove matched with the elastic plug-in unit; wherein,

3. An adjustment device according to claim 2, wherein the resilient insert is a resilient bayonet or a resilient snap-bead.

4. The adjustment device according to any one of claims 1 to 3, wherein the interpupillary distance adjustment actuator comprises: the gear rack comprises a first gear, a second gear, a first rack and a second rack; wherein,

the first gear and the second gear are connected through a straight rod;

the first gear is meshed with the first screw;

the first rack is parallel to the second rack;

5. An adjustment device according to any one of claims 1 to 3, wherein the object distance adjustment actuator comprises: the driving rod, the actuating rod and the pushing piece;

the pushing piece is in threaded connection with the actuating rod;

6. The adjustment device according to any one of claims 1 to 3, further comprising: a runner push plate;

7. An head display apparatus comprising a first barrel, a second barrel, a display, and the adjustment device according to any one of claims 1 to 6; wherein,

8. The head display apparatus of claim 7, wherein the object distance adjustment actuator comprises a pusher member;

9. The head display device according to claim 7, further comprising: the device comprises a front shell, a partition board with a display port, a middle shell with an operation hole and a rear shell with a mirror hole; wherein,

10. A head display device according to claim 9, wherein the adjustment means comprises a wheel pusher;

the rotating wheel push plate is movably connected with the middle shell;