CN205809424U - A kind of VR virtual reality glasses with sighting distance regulatory function - Google Patents

Abstract

The utility model discloses a VR virtual reality glasses with a sight distance adjustment function, which comprises a housing, a mobile phone board, a sponge board, and a lens assembly; a cavity is formed in the housing, and the mobile phone board and the lens assembly are installed in the cavity. The rear end of the housing is open and installed with a sponge board; and the lower end of the sponge board is hinged with the housing, and the upper end of the sponge board is connected with the housing by a sponge board adjustment assembly, which is used to drive the sponge by adjusting the sponge board adjustment assembly. The plate rotates about the hinge. The technical solution can easily and conveniently adjust the viewing distance, including the adjustment of the horizontal direction and angle, and can effectively improve the comfort of the user.

Description

A kind of VR virtual reality glasses with visual distance adjustment function

technical field

The utility model relates to the technical field of VR virtual equipment, in particular to a VR virtual reality glasses with a sight distance adjustment function.

Background technique

With the development of society and technology, people pay more and more attention to the research and development of VR (Virtual Reality, ie virtual reality) equipment, especially the development of VR glasses.

Refer to the Chinese patent "New VR Glasses" with the patent number CN205193359U, which discloses a new type of VR glasses, which includes a hollow glasses shell and a mirror frame inside the shell. There is a slot above the middle part of the shell, the adjustment mechanism at the top of the frame is embedded in the slot and can move back and forth along the slot, the center of the adjustment mechanism is provided with a rotating wheel, the rotating wheel is connected with the frames and lenses on both sides of the bottom through gears, Turn the rotating wheel to adjust the distance from the two lenses to the center. However, the existing VR glasses can usually only adjust the viewing distance by simply moving the lens assembly back and forth or left and right in the horizontal direction, but because different people have different eye widths and viewing distances, it is usually necessary to adjust the viewing distance when using Adjust the visual angle accordingly to get the best viewing distance. Therefore, there is a need for VR glasses that can easily and conveniently adjust the viewing distance to deal with the existing problems.

Utility model content

Aiming at the above-mentioned problems in the prior art, a kind of VR glasses aiming at simple and convenient adjustment of viewing distance is provided to overcome the above-mentioned technical defects.

The specific technical scheme is as follows:

A VR virtual reality glasses with a visual distance adjustment function, including a housing, a mobile phone board, a sponge board, and a lens assembly;

A cavity is formed in the casing, the mobile phone board and the lens assembly are installed in the cavity, the rear end of the casing is open and a sponge board is installed;

Moreover, the lower end of the sponge board is hinged to the housing, and the upper end of the sponge board is connected to the housing by a sponge board adjustment assembly, which is used to drive the sponge board to rotate around the hinge by adjusting the sponge board adjustment assembly.

In the VR virtual reality glasses with a sight distance adjustment function provided by the utility model, it also has such a feature that the sponge board adjustment assembly is located in the housing and is composed of a sponge board knob, a sponge board screw sleeve, and a sponge board screw;

Wherein, the sponge board knob is connected with the sponge board screw sleeve and has a screw hole in the sponge board screw sleeve, the sponge board screw rod is installed in the screw hole of the sponge board screw sleeve and one end is connected with the upper end of the sponge board, and the upper end of the sponge board knob Partially protruding from the upper end surface of the shell.

In the VR virtual reality glasses with a sight distance adjustment function provided by the utility model, it also has such a feature that the housing is composed of a front housing, a main body cover, and a rear cover in sequence, and the lower end surface of the front housing is connected There is a lower cover to close the cavity.

In the VR virtual reality glasses with the sight distance adjustment function provided by the utility model, it also has such a feature that it also includes a headband, and the headband is fixedly connected to the housing by a plurality of screws.

In the VR virtual reality glasses with the sight distance adjustment function provided by the utility model, there is also such a feature that a through hole is opened in the front and back of the front shell, and a mobile phone board adjustment assembly is movably arranged in the through hole, and the mobile phone board is adjusted The components include the mobile phone board knob, the mobile phone board screw sleeve, and the mobile phone board screw;

Wherein, the knob of the mobile phone board is connected with the screw sleeve of the mobile phone board and has a screw hole in the screw sleeve of the mobile phone board. out the front face of the front housing.

In the VR virtual reality glasses with sight distance adjustment function provided by the utility model, it also has such a feature that the lens assembly includes left and right lens frames and lenses installed in the left and right lens frames, and adjustment gears, gears, etc. are installed in the main body cover. Knobs, and left and right lens frames;

The adjusting gear is connected with the lower ends of the left and right lens frames through gear teeth meshing, the gear knob is connected with the adjusting gear and part of the gear knob sees through the lower end surface of the main body cover.

In the VR virtual reality glasses with a sight distance adjustment function provided by the utility model, it also has such a feature that the lens is composed of multi-fold focal length concave-convex lenses, and the overall lens has a circular structure with a diameter of 40.00±1.0mm, and the overall thickness It is 7.64±1.0mm, including the middle section, the upper section and the lower section that are located on both sides of the middle section and protrude outward, and the thickness of the middle section is 2.00±1.0mm, and the overall thickness of the upper section and the middle section combined is 6.32±1.0 mm.

In the VR virtual reality glasses with the sight distance adjustment function provided by the utility model, there is also such a feature that internal threads are provided in the left and right lens frames, the lenses are installed in the left and right lens frames by the lens frames, and the outer ring of the lens frames is provided with The external thread is screwed with the internal thread of the left and right lens frames, and there is a circular hole in the lens frame, and the lens is fixedly installed in the circular hole.

In the VR virtual reality glasses with sight distance adjustment function provided by the utility model, there is also such a feature that one end of the lower cover plate is hinged on the lower end surface of the front housing, and the other end can rotate around the hinge to expose the cavity .

In the VR virtual reality glasses with a sight distance adjustment function provided by the utility model, there is also such a feature that a lens gasket is fixedly connected to the front end surface of the lens.

In the VR virtual reality glasses with sight distance adjustment function provided by the utility model, there is also such a feature that a curved plate is formed on the upper end of the mobile phone plate, and an elastic splint is connected downward to the end of the curved plate away from the mobile phone plate , the splint has the elastic force to clamp the mobile phone facing the mobile phone board.

The beneficial effects of the above-mentioned technical scheme are:

(1) VR virtual reality glasses include a housing, a mobile phone board, a sponge board, and a lens assembly. The plate adjustment component drives the sponge plate to rotate around the hinge, thus achieving the effect of visual adjustment;

(2) The front housing is provided with a mobile phone board adjustment assembly, which includes a mobile phone board knob, a mobile phone board screw sleeve, and a mobile phone board screw, so that in application, mobile phones of different styles can be fixed on the mobile phone board. Adjust the mobile phone back and forth through the mobile phone board adjustment component, so that the mobile phone screen can be easily and conveniently adjusted to the best viewing distance;

(3) The lens assembly includes left and right lens frames and lenses. The left and right lens frames, gear knobs, and adjustment gears are installed in the main body cover, so that when different users use it, the user's eye width and lens can be easily and conveniently adjusted. Adjust the width to the best viewing distance;

(4) The lens is installed in the left and right lens frames by the lens frame. The lens frame can be adjusted by manual rotation to drive the lens to rotate, and the effect of linear movement of the lens forward and backward can be realized by the rotation between the matched internal and external threads, so that it can be simple and convenient. The user adjusts to the best viewing distance, which is also suitable for different users with myopia and presbyopia;

(5) One end of the lower cover is hinged on the lower end surface of the front case, and the other end can rotate around the hinge to expose the cavity, so that the user's fingers can be inserted from the opening to easily and conveniently touch the screen of the mobile phone operate.

Description of drawings

Fig. 1a is a structural diagram of an exploded view of an embodiment of a VR virtual reality glasses with a sight distance adjustment function of the present invention;

Fig. 1b is an assembly structure diagram of an embodiment of a VR virtual reality glasses with a sight distance adjustment function of the present invention;

Fig. 1c is an assembly structure diagram of another viewing angle of an embodiment of a VR virtual reality glasses with a sight distance adjustment function of the present invention;

Fig. 2a is a perspective view of the casing part in an embodiment of a VR virtual reality glasses with a sight distance adjustment function of the present invention;

Fig. 2b is a cross-sectional view of the housing part in an embodiment of a VR virtual reality glasses with a sight distance adjustment function of the present invention;

Fig. 3 a is a perspective view of the front housing in an embodiment of the VR virtual reality glasses with a sight distance adjustment function of the present invention;

Fig. 3b is a cross-sectional view of the front housing in an embodiment of a VR virtual reality glasses with a sight distance adjustment function of the present invention;

Fig. 4a is a perspective view of a main body cover in an embodiment of a VR virtual reality glasses with a viewing distance adjustment function of the present invention;

Fig. 4b is a cross-sectional view of the main body cover in an embodiment of the VR virtual reality glasses with a sight distance adjustment function of the present invention;

Fig. 5a is a perspective view of a lens frame in an embodiment of a VR virtual reality glasses with a viewing distance adjustment function of the present invention;

Fig. 5b is a cross-sectional view of the lens frame in an embodiment of a VR virtual reality glasses with a sight distance adjustment function of the present invention;

Fig. 6a is a state diagram 1 of the upper end surface of the housing in an embodiment of the VR virtual reality glasses with a viewing distance adjustment function of the present invention;

Fig. 6b is a state diagram 2 of the upper end surface of the housing in an embodiment of a VR virtual reality glasses with a viewing distance adjustment function of the present invention;

Fig. 7a is a schematic diagram of the unfolded structure of the lens in an embodiment of the VR virtual reality glasses with a sight distance adjustment function of the present invention;

Fig. 7b is a schematic diagram of the size and structure of the lens in an embodiment of a VR virtual reality glasses with a viewing distance adjustment function of the present invention;

Fig. 8a is a perspective view of a mobile phone board in an embodiment of a VR virtual reality glasses with a sight distance adjustment function of the present invention;

Fig. 8b is a cross-sectional view of a mobile phone board in an embodiment of a VR virtual reality glasses with a viewing distance adjustment function of the present invention.

detailed description

In order to make the technical means, creative features, goals and effects of the present invention easy to understand, the following embodiments will specifically describe the VR virtual reality glasses with the viewing distance adjustment function provided by the present invention in conjunction with the accompanying drawings 1a to 8b.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the embodiments, parts of the same configuration are given the same reference numerals and descriptions are omitted.

Referring to Fig. 1a, it is an exploded photo structure diagram of an embodiment of VR virtual reality glasses with a viewing distance adjustment function, combined with Fig. 1b and Fig. 1c, it is an embodiment of a VR virtual reality glasses with a viewing distance adjustment function The assembly structure diagram, as well as Fig. 2a and Fig. 2b, are a perspective view and a cross-sectional view of the housing part in an embodiment of a VR virtual reality glasses with a viewing distance adjustment function. First, define the direction that the user faces when wearing VR virtual reality glasses as the front direction, that is, the direction from right to left on the paper as shown in Figure 1a is back to front.

As shown in Fig. 1a-Fig. 2b, the VR virtual reality glasses that the utility model provides comprises housing, mobile phone board 5, sponge board 10, and lens assembly, forms a cavity in the housing, and mobile phone board 5 and lens assembly are installed in In the cavity, the rear end face of the housing is open and a sponge board 10 is installed; and the lower end of the sponge board 10 is hinged with the housing, and the upper end of the sponge board 10 is connected with the housing by a sponge board adjustment assembly 6 for By adjusting the sponge board adjustment component 6, the sponge board 10 is driven to rotate around the hinge, so as to achieve the effect of visual adjustment.

Specifically, in this embodiment, the sponge plate adjustment assembly 6 is located in the housing and is composed of a sponge plate knob 61, a sponge plate screw sleeve 62, and a sponge plate screw rod 63, wherein the sponge plate knob 61 is connected to the sponge plate screw sleeve 62 And there is a screw hole in the sponge board screw sleeve 62, the sponge board screw rod 63 is penetrated in the screw hole and one end is connected with the upper end of the sponge board 10, and the upper end part of the sponge board knob 61 penetrates the upper end surface of the housing for When the user manually adjusts the sponge board knob 61, the sponge board screw sleeve 62 is driven to rotate, and at the same time, the sponge board screw rod 63 is driven to move back and forth, thereby driving the sponge board 10 to rotate angularly around the joint between the lower end and the housing. In addition, the sponge board adjustment assembly 6 can also achieve the effect of rotating the sponge board 10 around the lower end angle through other mechanical transmission methods such as a push rod, and should not be limited thereto.

In a preferred embodiment, as specifically shown in FIG. 1a, the housing is composed of a front housing 1, a main body cover 2, and a rear cover 3 in sequence, and the lower end surface of the front housing 1 is connected with a lower cover. Plate 4 serves to close the cavity. Further, the VR virtual reality glasses also include a headband 9, and the headband 9 is fixed on the housing by a plurality of screws, so that the user can wear it on the head without holding it. Apparently, as shown in FIG. 1a, both the main body cover 2 and the rear cover 3 are opened in the middle to form a cavity and an open structure inside the housing, and the middle of the sponge board 10 is also opened to form a visual entrance.

In a preferred embodiment, specifically as shown in Figure 1a, Figure 3a, and Figure 3b, wherein Figure 3a is a perspective view of the front housing in an embodiment of VR virtual reality glasses with a viewing distance adjustment function , Fig. 3b is a cross-sectional view of the front case in an embodiment of VR virtual reality glasses with a sight distance adjustment function, a through hole is opened in the front and back of the front case 1, and a mobile phone board adjustment assembly is movably arranged in the through hole, and The mobile phone board adjustment assembly comprises a mobile phone board knob 81, a mobile phone board screw sleeve 82, and a mobile phone board screw rod 83, wherein the mobile phone board knob 81 is connected to the mobile phone board screw sleeve 82 and has a screw hole in the mobile phone board screw sleeve 82, and the mobile phone board screw rod 83 It is installed in the screw hole and one end is connected with the mobile phone board 5, and one end part of the mobile phone board knob 81 penetrates the front end of the front housing 1, so as to drive the mobile phone board screw when the user manually adjusts the mobile phone board knob 81. Cover 82 rotates, and simultaneously drives mobile phone board screw rod 83 to move forward and backward, and then drives mobile phone board 5 to move linearly forward and backward. Further, the mobile phone board 5 is movably installed in the cavity by a plurality of guide posts (not shown in the figure). Thereby when being used in application, especially when mobile phones of different styles are fixed on the mobile phone board 5, the mobile phone can be adjusted back and forth by the mobile phone board 5 adjustment components, so that the mobile phone screen can be easily and conveniently adjusted to the best viewing distance.

As a further preferred embodiment, it is specifically shown in Fig. 1a, Fig. 3a, and Fig. 4b, wherein Fig. 4a and Fig. 4b are respectively a kind of body cover in an embodiment of VR virtual reality glasses with a visual distance adjustment function Perspective and cutaway views. The lens assembly includes left and right lens frames 71 and lenses 74 installed in the left and right lens frames 71, and the left and right lens frames 71, gear knobs 76, and adjustment gears 72 are installed in the main body cover 2, and the lower ends of the adjustment gears 72 and the left and right lens frames 71 The gear knob 76 is connected with the adjustment gear 72 through gear teeth meshing, and the gear knob 76 partly penetrates the lower end surface of the main body cover 2, so as to drive the adjustment gear 72 to rotate when the user manually rotates the gear knob, and the adjustment gear 72 drives the left and right lens frames 71 to move linearly from side to side through the meshed gear teeth. Therefore, when used by different users, the user's eye width and lens width can be adjusted to an optimal viewing distance simply and conveniently.

As a further preferred embodiment, specifically as shown in Figure 5a and Figure 5b, wherein Figure 5a and Figure 5b are respectively a perspective view and a cross-sectional view of the lens frame in an embodiment of a VR virtual reality glasses with a viewing distance adjustment function, The left and right lens frames 71 are provided with internal threads, and the lens 74 is installed in the left and right lens frames 71 by the lens frames 75. The outer ring of the lens frames 75 is provided with external threads and is screwed with the internal threads of the left and right lens frames 71. There is a circular hole inside, and the lens 74 is fixedly installed in the circular hole. Thereby, the lens frame 75 can be manually rotated and adjusted to drive the lens 74 to rotate, and the effect of the front and rear linear motion of the lens 74 can be realized by the rotation between the matched internal and external threads, so that when different users use it, it can be simple and convenient for the user to use. Adjust to the best viewing distance, suitable for different users with myopia and presbyopia. Further, a lens washer 73 is fixedly connected to the front end surface of the lens 74 .

In a preferred embodiment, it is specifically shown in Figures 6a and 6b, wherein Figures 6a and 6b are state diagrams of the lower end surface of the housing in an embodiment of VR virtual reality glasses with a viewing distance adjustment function. One end of the lower cover 4 is hinged on the lower end surface of the front housing 1, and the other end can be rotated around the hinge to expose the cavity, so that the user's fingers can be inserted through the opening to easily and conveniently touch the screen of the mobile phone. .

As a further preferred embodiment, it is specifically shown in FIG. 7a , wherein FIG. 7a is a schematic diagram of the unfolded structure of the lens in an embodiment of VR virtual reality glasses with a viewing distance adjustment function. The lens 74 is composed of multi-fold focal length concave-convex lenses, so that no dizzy adverse reactions will occur when playing 3D games, and the user's comfort can be effectively improved.

As a further preferred embodiment, it is specifically shown in FIG. 7b, wherein FIG. 7b is a schematic diagram of the size and structure of the lens in an embodiment of VR virtual reality glasses with a viewing distance adjustment function. In this embodiment, the lens 74 as a whole It is a circular structure with a diameter of 40.00±1.0mm, and the overall thickness is 7.64±1.0mm, including the middle section, the upper and lower sections respectively located on both sides of the middle section and protruding outward, and the thickness of the middle section is 2.00±1.0mm , the combined overall thickness of the upper section and the middle section is 6.32±1.0mm.

As a further preferred embodiment, it is specifically shown in Fig. 8a and Fig. 8b, wherein Fig. 8a and Fig. 8b are respectively a perspective view and a cross-sectional view of a mobile phone board in an embodiment of VR virtual reality glasses with a sight distance adjustment function. A curved plate 51 is formed on the upper end of the mobile phone plate 5, and an elastic clamping plate 52 is connected downward at the end of the curved plate 51 away from the mobile phone plate 5. The clamping plate 52 has an elastic force to clamp the mobile phone 53 towards the mobile phone plate 5. Thus after the user puts the mobile phone 53 into the housing from the bottom opening, the splint 52 can clamp the mobile phone on the mobile phone plate 5 conveniently and reliably, and the above-mentioned opening refers to the opening exposed by opening the lower cover plate 4 on the housing . Further, the lower end surface of the mobile phone board 5 is also horizontally connected with a bendable baffle (not shown in the figure), in order to hold up the bottom of the mobile phone. effect.

As a further preferred embodiment, as specifically shown in Figure 1b and Figure 1c, both sides of the housing are provided with holes 11 together with the cavity, which are used as earphone line jacks, so that it can be conveniently and reliably connected to the mobile phone. Connect the headphones.

In the above-mentioned technical solution, the VR virtual reality glasses include a housing, a mobile phone board 5, a sponge board 10, and a lens assembly. The body is connected, so that the sponge board 10 can be driven to rotate around the hinge by adjusting the sponge board adjustment assembly 6, thereby achieving the effect of visual adjustment; the front housing 1 is provided with a mobile phone board 5 adjustment assembly, and the mobile phone board 5 adjustment assembly includes a mobile phone board Knob 81, mobile phone plate screw sleeve 82, and mobile phone plate screw rod 83 make when in application, for mobile phones of different styles fixed on the mobile phone plate 5, the mobile phone can be adjusted back and forth through the mobile phone plate 5 adjustment components, so that it can be adjusted easily and conveniently. Mobile phone screen to the best viewing distance; lens components include left and right lens frames 71 and lenses 74, left and right lens frames 71, gear knobs 76, and adjustment gears 72 are installed in the main body cover 2, so that when different users use it, it can be easily Conveniently allow the user's eye width and lens width to be adjusted to the best viewing distance; the lens 74 is installed in the left and right lens frames 71 by the lens frame 75, and the lens frame 75 can be manually rotated to drive the lens 74 to rotate, and The effect of linear motion of the lens 74 is realized by the rotation between the matched internal and external threads, so that the user can easily and conveniently adjust to the optimal viewing distance, and is suitable for different users with myopia and presbyopia; one end of the lower cover plate 4 Hinged on the lower end surface of the front housing 1, the other end can rotate around the hinge to expose the cavity, so that the user's fingers can be inserted from the opening to easily and conveniently touch the screen of the mobile phone; the lens 74 is composed of multiple Focal length concavo-convex lens synthesis, so that there will be no adverse reactions of dizziness when playing 3D games, which can effectively improve the comfort of users.

The above descriptions are only preferred embodiments of the present utility model, and are only illustrative, not restrictive, of the present utility model. Those skilled in the art understand that many changes, modifications, and even equivalents can be made within the spirit and scope defined by the claims of the utility model, but all will fall within the protection scope of the utility model.

Claims (10)

1. A VR virtual reality glasses with visual distance adjustment function, is characterized in that, comprises shell, mobile phone plate, sponge plate and lens assembly; A cavity is formed in the housing, the mobile phone board and the lens assembly are installed in the cavity, the rear end of the housing is open and the sponge board is installed; Moreover, the lower end of the sponge board is hinged to the housing, and the upper end of the sponge board is connected to the housing by a sponge board adjustment assembly, so as to drive the sponge board by adjusting the sponge board adjustment assembly. Rotate around the hinge. 2. The VR virtual reality glasses with sight distance adjustment function as claimed in claim 1, characterized in that, the sponge plate adjustment assembly is located in the housing and consists of a sponge plate knob, a sponge plate screw sleeve, and a sponge plate screw rod constitute; Wherein, the sponge board knob is connected with the sponge board screw sleeve and has a screw hole in the sponge board screw sleeve, and the sponge board screw rod is installed in the screw hole of the sponge board screw sleeve and one end is connected to the sponge board screw sleeve. The upper ends of the sponge boards are connected, and the upper end of the sponge board knob sees through the upper end surface of the housing. 3. The VR virtual reality glasses with a sight distance adjustment function as claimed in claim 2, wherein the housing is formed by connecting a front housing, a main body cover, and a back cover in sequence, and the front housing A lower cover plate is connected to the lower end surface to close the cavity. 4. The VR virtual reality glasses with a sight distance adjustment function according to claim 3, further comprising a headband, and the headband is fixedly connected to the housing by a plurality of screws. 5. The VR virtual reality glasses with a sight distance adjustment function as claimed in claim 3 or 4, wherein a through hole is provided in the front and back of the front housing, and a mobile phone board is movable in the through hole to adjust Components, and the mobile phone board adjustment assembly includes a mobile phone board knob, a mobile phone board screw sleeve, and a mobile phone board screw; Wherein, the knob of the mobile phone board is connected with the screw sleeve of the mobile phone board and has a screw hole in the screw sleeve of the mobile phone board, and the screw rod of the mobile phone board is penetrated in the screw hole of the screw sleeve of the mobile phone board and one end is connected to the screw sleeve of the mobile phone board. The mobile phone boards are connected, and one end of the knob of the mobile phone board protrudes through the front end of the front casing. 6. The VR virtual reality glasses with a visual distance adjustment function as claimed in claim 5, wherein the lens assembly includes left and right lens frames and lenses installed in the left and right lens frames, and the inside of the main body cover An adjustment gear, a gear knob, and the left and right lens frames are installed; The adjustment gear is connected to the lower ends of the left and right lens frames through gear teeth meshing, the gear knob is connected to the adjustment gear and part of the gear knob sees through the lower end surface of the main body cover. 7. The VR virtual reality glasses with a visual distance adjustment function as claimed in claim 6, wherein the lens is composed of multi-fold focal length concave-convex lenses, and the overall lens has a circular structure with a diameter of 40.00±1.0mm , and the overall thickness is 7.64±1.0mm, including the middle section, the upper section and the lower section respectively located on both sides of the middle section and protruding outward, and the thickness of the middle section is 2.00±1.0mm, the upper section and the The overall thickness combined with the middle section is 6.32±1.0mm. 8. The VR virtual reality glasses with a visual distance adjustment function as claimed in claim 6, wherein an internal thread is provided in the left and right lens frames, and the lens is installed on the left and right lens frames by the lens frames Inside, the outer ring of the lens frame is provided with an external thread and is screwed with the internal threads of the left and right lens frames, and the lens frame has a circular hole in which the lens is fixedly installed. 9. The VR virtual reality glasses with a sight distance adjustment function as claimed in claim 8, wherein one end of the lower cover plate is hinged on the lower end surface of the front housing, and the other end can rotate around the hinge to expose the cavity. 10. The VR virtual reality glasses with a sight distance adjustment function as claimed in claim 9, wherein a curved plate is formed on the upper end of the mobile phone plate, and the end of the curved plate away from the mobile phone plate is downward An elastic splint is connected, and the splint has an elastic force to clamp the mobile phone facing the mobile phone board.