CN221993712U - Open binocular near-to-eye display device and interpupillary distance adjusting structure - Google Patents

Abstract

The utility model relates to an open binocular near-eye display device and a pupil distance adjusting structure, which comprises a middle frame assembly, a fixed bracket, a left optical machine fixed frame and a right optical machine fixed frame; the middle frame component is provided with a fixing part connected with the fixing bracket, and two sides of the fixing part are provided with limiting parts; the fixed part is provided with an adjusting gap; the middle frame assembly is provided with a sliding assembly, the fixed support is provided with an adjusting knob, the left optical machine fixed frame and the right optical machine fixed frame are respectively provided with racks, and the two racks are meshed with the driving gear and are positioned on two sides of the driving gear; the left angles of visual field at two sides of the optical machine can not be shielded by the glasses main shell, the surrounding environment can be sensed, the frame structure is simplified, the production and manufacturing cost and the whole weight are reduced, the size is small, and in addition, the pupil distance synchronous adjustment of the two optical machines can be very conveniently carried out by means of the adjusting knob on the fixing support.

Description

Open binocular near-to-eye display device and interpupillary distance adjusting structure

Technical Field

The utility model relates to the technical field of open binocular near-eye display, in particular to open binocular near-eye display equipment and an interpupillary distance adjusting structure.

Background

Augmented reality (abbreviated as AR) and virtual reality (abbreviated as VR) and virtual sensory interaction technology as the current great heat have been increasingly applied to the industries of entertainment, education, medical treatment and the like. The primary platform device currently implementing AR/VR technology is Near-to-eye display (Near-EYE DISPLAY, NED for short). NED is to guide the video image light emitted by a micro image display (such as a transmission or reflection type liquid crystal display, an organic electroluminescent device and a DMD device) to the pupil of a user through an optical technology, and realize virtual and enlarged images in the near-eye range of the user so as to provide visual and visible image, video and text information for the user.

Existing near-eye display devices are broadly divided into closed and open types.

The closed near-eye display device has the functions of watching videos, game entertainment and the like, and displays images to the eyes of a wearer in a closed visual environment, and the application and experience sense of the closed near-eye display device are limited because the closed near-eye display device watches pictures in the visual closed environment, and the eyes of the user cannot watch external pictures at any time.

The near-eye display device of another form is to display images to a monocular of a wearer in an open visual environment, when the wearer uses the device, the conventional eye habit needs to be changed, the picture displayed by the display on the list side can be seen only under the condition that the other eye is closed, and the display area cannot be too large because the position of the single-side display cannot block the visual center of the wearer, and all the factors bring difficulty to the wearing and the use.

Still another form of near-eye display device displays images to both eyes of a wearer in an open visual environment. For example: chinese patent No. CN 105511081A discloses a head-mounted binocular display device comprising: two displays respectively arranged relative to eyes of a wearer, the two displays being disposed at positions offset upward by 5-30 ° relative to the eyes' line of sight level; two sets of optical elements, which are provided for the two displays, respectively, to enlarge the image displayed on the displays.

Chinese patent No. CN 211928304U discloses a near-eye display device and a near-eye display glasses set, comprising: at least one projection optic for projecting an image; a pair of optical display lenses for displaying images projected via the projection optics; and a near-eye display spectacle frame, wherein the projection optical device and the optical display lens are correspondingly arranged on the near-eye display spectacle frame, and the near-eye display spectacle frame is provided with a nose pad installation part, a spectacle holding mechanism and other structures.

At present, in the above-mentioned open near-to-eye display device, the conventional design scheme is that the main housing encapsulates the optical machine, and the optical machine performs axial translational movement along the actuating shaft on the main housing: ① Tends to result in a bulky volume around the lens body, the weight is difficult to be reduced; ② The pupil distance adjusting structure is complex; ③ The multi-layer composite frame structure has high manufacturing cost and great difficulty; ④ Viewing complementary angles at two sides of the optical machine is blocked by the main shell body of the glasses, the surrounding environment cannot be perceived.

Disclosure of utility model

The technical problem to be solved by the utility model is to provide an pupil distance adjusting structure of an open binocular near-eye display device and an open binocular near-eye display device with the pupil distance adjusting structure aiming at the defects in the prior art.

The technical scheme adopted for solving the technical problems is as follows:

Constructing an pupil distance adjusting structure of an open binocular near-to-eye display device, wherein the pupil distance adjusting structure comprises a middle frame assembly, a fixed support, a left optical machine fixed frame and a right optical machine fixed frame; the middle frame assembly is provided with a fixing part connected with the fixing support, two sides of the fixing part are provided with limiting parts, and the fixing part is respectively combined with the two limiting parts to form a first installation position matched with the left light machine fixing frame and a second installation position matched with the right light machine fixing frame; the middle frame assembly is provided with a sliding assembly which is in sliding connection with the left light machine fixing frame and the right light machine fixing frame, and a distance adjusting assembly which adjusts the distance between the left light machine fixing frame and the right light machine fixing frame.

The utility model relates to an pupil distance adjusting structure of an open binocular near-to-eye display device, wherein an adjusting gap is arranged on a fixed part, or an adjusting gap is reserved between a fixed bracket and the fixed part; the left ray machine fixing frame and the right ray machine fixing frame are respectively provided with racks which extend into the adjusting gap, and the two racks are meshed with the driving gear and are positioned on two sides of the driving gear; the sliding component, the driving gear, the adjusting knob and the two racks form the distance adjusting component.

The utility model discloses a pupil distance adjusting structure of an open binocular near-to-eye display device, wherein a pupil distance locking rack is fixed on a middle frame assembly, and a pupil distance locking pressing plate and a pupil distance locking adjusting assembly for adjusting and switching the clutch state of the pupil distance locking pressing plate and the pupil distance locking rack are arranged on a left optical machine fixing frame or a right optical machine fixing frame; and a tooth slot meshed with the interpupillary distance locking rack is arranged on the interpupillary distance locking pressing plate.

The utility model relates to an pupil distance adjusting structure of an open binocular near-to-eye display device, wherein one side surface of a pupil distance locking pressing plate is provided with a tooth slot, and the other side surface is provided with a guide slot; the inner bottom of the guide groove is provided with two stages of first steps, and the two stages of first steps are connected through a first inclined plane; the pupil distance locking and adjusting assembly comprises a sliding sheet, a driving head matched with the guide groove is arranged on the sliding sheet, two stages of second steps are arranged on the driving head, the second steps are correspondingly matched with the first steps, and the two stages of second steps are connected through a second inclined plane; the interpupillary distance locking and adjusting assembly further comprises a reset spring sheet for resetting the interpupillary distance locking pressing plate.

The utility model relates to an pupil distance adjusting structure of an open binocular near-to-eye display device, wherein connecting rods are arranged on two sides of a pupil distance locking pressing plate; the elastic action end of the reset elastic sheet is provided with a slot for accommodating the interpupillary distance locking pressing plate, two sides of the slot are respectively connected with the two connecting rods, and the tooth slot is positioned below the reset elastic sheet.

The utility model relates to an pupil distance adjusting structure of an open binocular near-to-eye display device, wherein a chute assembly is arranged on a left ray machine fixing frame or a right ray machine fixing frame, and a chute which is connected with a sliding sheet in a sliding way is arranged on the chute assembly; the sliding plate is characterized in that sliding convex strips are arranged on two sides of the sliding plate, and guide grooves matched with the sliding convex strips are formed in the inner walls of the sliding grooves.

The utility model relates to an pupil distance adjusting structure of an open binocular near-to-eye display device, wherein a reset spring plate is connected with a chute assembly in a clamping way; the tail end of the sliding piece is provided with an elastic clamping hook, and the front end of the elastic clamping hook is consistent with the front end of the sliding piece in orientation; the sliding chute assembly is provided with a clamping groove matched with the elastic clamping hook, and a limiting groove matched with the elastic clamping hook to limit is arranged in the clamping groove.

The utility model discloses an pupil distance adjusting structure of an open binocular near-to-eye display device, wherein the left optical machine fixing frame and the right optical machine fixing frame are respectively provided with an installation groove for installing an optical machine component, and the installation grooves are arranged close to an opening at one side of a fixing bracket; the two limiting parts respectively correspond to openings extending into the two mounting groove positions.

The utility model discloses an pupil distance adjusting structure of an open binocular near-to-eye display device, wherein a sliding assembly comprises a plurality of parallel guide shafts, the guide shafts are arranged on a middle frame assembly in a penetrating mode, and guide shaft sleeves or guide holes matched with the guide shafts are arranged on a left optical machine fixing frame and a right optical machine fixing frame.

The utility model relates to an pupil distance adjusting structure of an open binocular near-to-eye display device, wherein a left limit column and a right limit column are arranged on a fixed bracket; the left light machine fixing frame is provided with a left limit groove matched with the left limit column, and the right light machine fixing frame is provided with a right limit groove matched with the right limit column.

An open binocular near-eye display device, wherein the open binocular near-eye display device is provided with the pupil distance adjusting structure of the open binocular near-eye display device.

The utility model has the beneficial effects that: in the near-to-eye display equipment in an open form, a middle frame component is formed by combining a fixing part and two limiting parts, a first installation position matched with a left optical machine fixing frame and a second installation position matched with a right optical machine fixing frame are formed by combining the fixing part and the two limiting parts respectively, after a glazing machine is installed on the left optical machine fixing frame and the right optical machine fixing frame respectively, the residual angles of visual fields on two sides of the optical machine cannot be shielded by a glasses main shell, the surrounding environment can be perceived, the frame structure is simplified, the production and manufacturing cost and the whole weight are reduced, the size is small, and in addition, the pupil distance synchronous adjustment of two optical machines can be conveniently carried out by virtue of an adjusting knob on a fixing support.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:

FIG. 1 is a schematic diagram of an open binocular near eye display device pupil distance adjustment structure pupil distance adjustment to minimum distance according to a preferred embodiment of the present utility model;

FIG. 2 is a sectional view showing the adjustment of the interpupillary distance adjustment structure of an open binocular near-eye display device according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic diagram of the structure of adjusting the interpupillary distance to the maximum distance of the interpupillary distance adjusting structure of the open binocular near-eye display device according to the preferred embodiment of the present utility model;

FIG. 4 is a sectional view showing the adjustment of the interpupillary distance adjustment structure of an open binocular near-eye display device according to a preferred embodiment of the present utility model to a maximum distance;

FIG. 5 is an exploded view of a center frame assembly, a mounting bracket, a left-light machine mounting frame and a right-light machine mounting frame of an open binocular near eye display device pupil distance adjustment structure according to a preferred embodiment of the present utility model;

FIG. 6 is a schematic diagram showing the assembled structure of the middle frame assembly, the fixing bracket, the left optical machine fixing frame and the right optical machine fixing frame of the pupil distance adjusting structure of the open binocular near eye display device according to the preferred embodiment of the present utility model;

FIG. 7 is an exploded view of the pupil distance adjusting structure of the open binocular near eye display device of the preferred embodiment of the present utility model;

FIG. 8 is a partial cross-sectional view of a preferred embodiment of the utility model in a locked state of an interpupillary locking platen and an interpupillary locking rack of an open binocular near-eye display device interpupillary adjustment structure;

FIG. 9 is an enlarged schematic view of FIG. 8 at A;

FIG. 10 is an enlarged partial schematic view showing the unlocking state of the interpupillary locking pressure plate and the interpupillary locking rack of the interpupillary distance adjusting structure of the open binocular near-eye display device according to the preferred embodiment of the present utility model;

FIG. 11 is an exploded view of an assembly of a pupil distance locking and adjusting assembly of a pupil distance adjusting structure of an open binocular near eye display device and a left ray machine fixing frame according to a preferred embodiment of the present utility model;

FIG. 12 is an exploded view of an assembly of the pupil locking adjustment assembly and the left-hand machine mounting frame for another viewing angle of the pupil distance adjustment structure of an open binocular near eye display device in accordance with the preferred embodiment of the present utility model;

Fig. 13 is a schematic diagram of an open binocular display structure according to a preferred embodiment of the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions 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. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

The pupil distance adjusting structure of the open binocular near-eye display device according to the preferred embodiment of the present utility model, as shown in fig. 1, referring to fig. 2-12, includes a middle frame assembly 1, a fixing bracket 2, a left optical machine fixing frame 3 and a right optical machine fixing frame 4; the middle frame assembly 1 is provided with a fixing part 10 connected with the fixing support 2, two sides of the fixing part 10 are provided with limiting parts 11, and the fixing part 10 is respectively combined with the two limiting parts 11 to form a first installation position matched with the left ray machine fixing frame 3 and a second installation position matched with the right ray machine fixing frame 4; an adjusting gap is arranged on the fixing part 10, or an adjusting gap is reserved between the fixing bracket 2 and the fixing part 10; the middle frame assembly 1 is provided with a sliding assembly 9 which is in sliding connection with the left light machine fixing frame 3 and the right light machine fixing frame 4 and a distance adjusting assembly which adjusts the distance between the left light machine fixing frame and the right light machine fixing frame, the fixed support 2 is provided with a driving gear 20 which stretches into an adjusting gap and an adjusting knob (which adopts the existing structure) which adjusts the rotation of the driving gear, the left light machine fixing frame 3 and the right light machine fixing frame 4 are provided with racks 6 which stretch into the adjusting gap, and the two racks 6 are meshed with the driving gear 20 and are positioned on two sides of the driving gear 20; the sliding component, the driving gear, the adjusting knob and the two racks form the distance adjusting component. The fixing part 10 and the two limiting parts 11 are adopted to form the middle frame assembly 1, the fixing part 10 is respectively combined with the two limiting parts 11 to form a first installation position matched with the left light machine fixing frame 3 and a second installation position matched with the right light machine fixing frame 4, after the light machine 5 is respectively installed on the left light machine fixing frame 3 and the right light machine fixing frame 4, the residual angles of the visual fields at two sides of the light machine 5 are not shielded by the main shell of the glasses, the surrounding environment can be perceived, the frame structure is simplified, the production and manufacturing cost and the whole weight are reduced, the size is small, and in addition, the pupil distance synchronous adjustment of the two light machines can be conveniently carried out by virtue of the adjusting knob on the fixing support; preferably, the fixing part 10 and the two limiting parts 11 are combined to form a T-shaped structure, and two sides of the T-shaped structure are a first installation position and a second installation position;

For the attractive effect, a middle frame decoration 7 can be arranged on the middle frame assembly 1, and light machine decoration 8 and other accessories can be arranged on the left light machine fixing frame 3 and the right light machine fixing frame 4;

Preferably, in the open-type near-eye display device, the left optical machine fixing frame 3 and the right optical machine fixing frame 4 are respectively provided with a mounting groove 30 for mounting an optical machine component, and the mounting groove 30 is arranged close to an opening at one side of the fixing bracket; the two limiting parts 11 respectively correspond to the openings extending into the two mounting groove positions 30 and are used for playing a limiting role to ensure the stability of the left light machine fixing frame 3 and the right light machine fixing frame 4 in a retracted state.

Preferably, in the near-eye display device in an open form, a pupil distance locking rack 12 is fixed on the middle frame assembly 1, and a pupil distance locking pressing plate 31 and a pupil distance locking adjusting assembly 32 for adjusting and switching the clutch state of the pupil distance locking pressing plate 31 and the pupil distance locking rack 12 are arranged on the left optical machine fixing frame 3 or the right optical machine fixing frame 4; the interpupillary distance locking pressing plate 31 is provided with tooth grooves 310 meshed with the interpupillary distance locking racks 12; the interpupillary distance locking and adjusting assembly 32 is used for controlling the clutch state of the interpupillary distance locking pressing plate 31 and the interpupillary distance locking rack 12, so that the movable state of the left optical machine fixing frame 3 or the right optical machine fixing frame 4 can be controlled conveniently, and further the control of locking and unlocking the positions of the two optical machines 5 is realized; the pupil distance locking and adjusting assembly 32 can take the following structural form, and can also take the existing structure, such as a gear switch and the like, and the scheme obtained based on the structural form change also belongs to the protection scope of the application.

Preferably, in the binocular near-eye display device of the open type, a tooth slot 310 is provided on one side surface of the interpupillary distance locking pressing plate 31, and a guide slot 311 is provided on the other side surface; the guide groove 311 is provided at an inner bottom thereof with two stages of first steps 312, the two stages of first steps 312 being connected by a first inclined surface 313; the pupil distance locking and adjusting assembly 32 comprises a sliding plate 320, a driving head 321 matched with the guide groove 311 is arranged on the sliding plate 320, two stages of second steps 322 are arranged on the driving head 321, the second steps 322 are correspondingly matched with the first steps 312, and the two stages of second steps 322 are connected through a second inclined plane 323; the pupil distance locking and adjusting assembly 32 further comprises a reset spring piece 324 for resetting the pupil distance locking pressing plate;

In implementation, by pushing the slider 320 to move toward the side where the interpupillary distance locking pressing plate 31 is located, the driving head 321 is guided by moving through the guide groove 311, when the two first steps 312 are attached to the two second steps 322 in a one-to-one correspondence manner, the interpupillary distance locking pressing plate 31 is extruded and moves downwards to be meshed with the interpupillary distance locking rack 12, and the interpupillary distance locking pressing plate enters a locking state, and the reset elastic sheet 324 is in a deformation state; when unlocking is needed, the sliding plate 320 is pushed reversely, so that the two first steps 312 and the two second steps 322 are separated from one-to-one fitting state, the interpupillary distance locking pressing plate 31 is reset under the action of the reset elastic sheet 324, and the interpupillary distance locking pressing plate enters an unlocking state; the clutch has reasonable and compact integral structure, small volume and good clutch driving reliability.

Preferably, a preferred setting mode of the reset spring 324 is as follows: connecting rods 314 are arranged on both sides of the interpupillary distance locking pressing plate 31; a slot 325 for accommodating the interpupillary distance locking pressing plate 31 is arranged on the elastic action end of the reset elastic sheet 324, two sides of the slot 325 are respectively connected with the two connecting rods 314, and the tooth slot 310 is positioned below the reset elastic sheet 324; by adopting the spring plate design, the pupil distance locking pressing plate 31 is stable compared with the position of the spring plate, so that the balance of the spring plate when the spring plate is stressed by extrusion can be well ensured, and the service life of the spring plate is long; the whole volume is smaller, and the assembly is convenient; it should be noted that, a conventional elastic restoring member structure design may be adopted, and the scheme obtained based on the conventional means is also included in the protection scope of the present application.

Preferably, the left optical machine fixing frame 3 or the right optical machine fixing frame 4 is provided with a chute assembly 33, and the chute assembly 33 is provided with a chute 330 which is in sliding connection with the sliding plate 320; sliding convex strips 3200 are arranged on two sides of the sliding piece 320, and guide grooves 331 matched with the sliding convex strips 3200 are formed in the inner wall of the sliding groove 330; the sliding chute assembly 33 is provided for slidably assembling the sliding plate 320, and the sliding plate 320 can well ensure the stability during sliding by means of the cooperation of the two groups of sliding convex strips 3200 and the guide grooves 331.

Preferably, the reset spring 324 is connected with the chute assembly 33 in a clamping manner, a clamping groove 3240 can be formed in the reset spring 324, a buckle 333 is arranged on the chute assembly 33, and the connection is convenient, and the whole assembly can be used as a module for assembly, so that the assembly step is simplified.

Further, an elastic hook 3201 is disposed at the tail end of the sliding plate 320, and the front end of the elastic hook 3201 is oriented to the front end of the sliding plate 320; the chute assembly 33 is provided with a hook groove 332 matched with the elastic hook 3201, and a limit groove 3320 matched with the elastic hook for limiting is arranged in the hook groove 332; the purpose of this design is to enable positioning of the stop position of the slider 320 as desired by virtue of the engagement of the resilient catch 3201 with the limit slot 3320.

Preferably, the sliding assembly 9 includes a plurality of parallel guide shafts 90, the guide shafts 90 are arranged on the middle frame assembly 1 in a penetrating manner, guide shaft sleeves or guide holes matched with the guide shafts 90 are arranged on the left optical machine fixing frame 3 and the right optical machine fixing frame 4, the assembly is convenient, the cost is low, the sliding assembly can be replaced by sliding forms such as sliding rails, and the scheme obtained based on simple transformation of the conventional structure also belongs to the protection scope of the application.

Preferably, the fixed bracket 2 is provided with a left limit post 22 and a right limit post 23; the left light machine fixing frame 3 is provided with a left limit groove 34 matched with the left limit column 22, and the right light machine fixing frame 4 is provided with a right limit groove 40 matched with the right limit column 23; the maximum position of convenient regulation is spacing, convenient assembling, and the structure is succinct.

The utility model also provides an open binocular near-eye display device, as shown in fig. 13, wherein the open binocular near-eye display device is provided with the pupil distance adjusting structure of the open binocular near-eye display device; in the figure, reference numeral 100 denotes an open binocular near eye display device pupil distance adjusting structure, reference numeral 102 denotes an angle overturning adjusting structure, and reference numeral 101 denotes a forehead support assembly. The equipment that this patent application provided is used, dress through forehead support subassembly and human head (forehead) during the use, the upset coupling mechanism who relies on connecting binocular display host computer and forehead support subassembly provides holding power, and utilize the damping between connecting rod and the host computer connecting piece to rotate and be connected and can carry out the electrodeless regulation of angle, the switching of state of use and non-use state and the fine adjustment of angle of use can be relaxed, the user of the different body parameters of adaptation that also can be better, make binocular display host computer can be open state when using with human face between, in order to hold user's own myopia glasses, the convenience of customers sees external picture when using this equipment simultaneously, user experience has been promoted greatly.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims (10)

1. The pupil distance adjusting structure of the open binocular near-to-eye display device is characterized by comprising a middle frame assembly, a fixed bracket, a left optical machine fixed frame and a right optical machine fixed frame; the middle frame assembly is provided with a fixing part connected with the fixing support, two sides of the fixing part are provided with limiting parts, and the fixing part is respectively combined with the two limiting parts to form a first installation position matched with the left light machine fixing frame and a second installation position matched with the right light machine fixing frame; the middle frame assembly is provided with a sliding assembly which is in sliding connection with the left light machine fixing frame and the right light machine fixing frame, and a distance adjusting assembly which adjusts the distance between the left light machine fixing frame and the right light machine fixing frame.

2. The pupil distance adjusting structure of an open binocular near eye display device according to claim 1, wherein an adjusting gap is provided on the fixing portion, or an adjusting gap is reserved between the fixing bracket and the fixing portion; the left ray machine fixing frame and the right ray machine fixing frame are respectively provided with racks which extend into the adjusting gap, and the two racks are meshed with the driving gear and are positioned on two sides of the driving gear; the sliding component, the driving gear, the adjusting knob and the two racks form the distance adjusting component.

3. The pupil distance adjusting structure of the open binocular near-to-eye display device according to claim 2, wherein a pupil distance locking rack is fixed on the middle frame assembly, and a pupil distance locking pressing plate and a pupil distance locking adjusting assembly for adjusting and switching the clutch state of the pupil distance locking pressing plate and the pupil distance locking rack are arranged on the left optical machine fixing frame or the right optical machine fixing frame; and a tooth slot meshed with the interpupillary distance locking rack is arranged on the interpupillary distance locking pressing plate.

4. The pupil distance adjusting structure of an open binocular near eye display apparatus according to claim 3, wherein the pupil distance locking pressing plate is provided with the tooth slot on one side surface and a guide slot on the other side surface; the inner bottom of the guide groove is provided with two stages of first steps, and the two stages of first steps are connected through a first inclined plane; the pupil distance locking and adjusting assembly comprises a sliding sheet, a driving head matched with the guide groove is arranged on the sliding sheet, two stages of second steps are arranged on the driving head, the second steps are correspondingly matched with the first steps, and the two stages of second steps are connected through a second inclined plane; the interpupillary distance locking and adjusting assembly further comprises a reset spring sheet for resetting the interpupillary distance locking pressing plate.

5. The pupil distance adjusting structure of an open binocular near eye display apparatus according to claim 4, wherein connecting rods are provided on both sides of the pupil distance locking pressing plate; the elastic action end of the reset elastic sheet is provided with a slot for accommodating the interpupillary distance locking pressing plate, two sides of the slot are respectively connected with the two connecting rods, and the tooth slot is positioned below the reset elastic sheet.

6. The pupil distance adjusting structure of an open binocular near-to-eye display device according to claim 4, wherein a chute assembly is arranged on the left optical machine fixing frame or the right optical machine fixing frame, and a chute which is connected with the sliding sheet in a sliding manner is arranged on the chute assembly; the sliding plate is characterized in that sliding convex strips are arranged on two sides of the sliding plate, and guide grooves matched with the sliding convex strips are formed in the inner walls of the sliding grooves.

7. The structure according to claim 6, wherein the reset spring is in snap connection with the chute assembly; the tail end of the sliding piece is provided with an elastic clamping hook, and the front end of the elastic clamping hook is consistent with the front end of the sliding piece in orientation; the sliding chute assembly is provided with a clamping groove matched with the elastic clamping hook, and a limiting groove matched with the elastic clamping hook to limit is arranged in the clamping groove.

8. The pupil distance adjusting structure of an open binocular near-to-eye display device according to claim 1, wherein the left optical machine fixing frame and the right optical machine fixing frame are respectively provided with an installation groove for installing an optical machine component, and the installation grooves are arranged close to an opening at one side of the fixing bracket; the two limiting parts respectively correspond to openings extending into the two mounting groove positions.

9. The pupil distance adjusting structure of an open binocular near-eye display device according to claim 1, wherein a left limit post and a right limit post are arranged on the fixed bracket; the left light machine fixing frame is provided with a left limit groove matched with the left limit column, and the right light machine fixing frame is provided with a right limit groove matched with the right limit column.

10. An open binocular near-eye display device, characterized in that an open binocular near-eye display device pupil distance adjusting structure according to any one of claims 1-9 is provided on the open binocular near-eye display device.