Adjustment device and headgear

Abstract

The application discloses an adjusting device and a head-mounted device. The adjusting device comprises a first part to be adjusted, a second part to be adjusted, a driving part and an adjusting assembly; the first part to be adjusted is provided with a first connecting part, and the second part to be adjusted is provided with a second connecting part; the driving part can be moved to a first position, a second position and a third position in turns; the adjusting assembly is connected with the first part to be adjusted through the first connecting part and connected with the second part to be adjusted through the second connecting part; when the driving part moves to the first position, the driving part can drive the adjusting assembly to adjust the relative distance of the first part to be adjusted and the second part to be adjusted in a first direction; when the driving part moves to the second position or the third position, the driving part can drive the adjusting assembly to adjust the position of the first part to be adjusted or the second part to be adjusted in a second direction. The adjusting device provided by the application has the advantages of simple structure, small space occupation, simplicity and practicality, and is suitable for batch production.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic equipment, and more particularly, to an adjusting device and a head-mounted device. BACKGROUND

[0002] In a head-mounted device, such as an AR device, a VR device, or an MR device, etc., a left optical system and a right optical system are usually provided for imaging a view for a user. Due to different differences in the head size and the left-right eye pupil distance of the user, in use, it is usually necessary to adjust the distance between the left and right optical systems and the user's eyeballs (myopia adjustment) and to adjust the relative distance between the left and right optical systems (IPD adjustment).

[0003] In the prior art, the myopia adjustment and the IPD adjustment of the head-mounted device are usually separately adjusted by separate devices, which not only occupies a large space, but also has a relatively complex structure and is inconvenient to use, and is not suitable for mass production. SUMMARY

[0004] An object of the present application is to provide a new technical solution of an adjusting device and a head-mounted device.

[0005] According to a first aspect of the present application, an adjusting device applied to a head-mounted device is provided, comprising:

[0006] a first to-be-adjusted member and a second to-be-adjusted member, the first to-be-adjusted member being provided with a first connecting portion, and the second to-be-adjusted member being provided with a second connecting portion;

[0007] a driving member capable of moving to a first position, a second position, and a third position in stages;

[0008] an adjusting assembly connected with the first to-be-adjusted member through the first connecting portion and connected with the second to-be-adjusted member through the second connecting portion, the adjusting assembly being capable of adjusting the positions of the first to-be-adjusted member and the second to-be-adjusted member;

[0009] when the driving member moves to the first position, the driving member is capable of driving the adjusting assembly to adjust the relative distance of the first to-be-adjusted member and the second to-be-adjusted member in a first direction;

[0010] when the driving member moves to the second position or the third position, the driving member is capable of driving the adjusting assembly to adjust the position of the first to-be-adjusted member or the second to-be-adjusted member in a second direction;

[0011] the second direction is perpendicular to the first direction.

[0012] Optionally, the adjusting assembly comprises a first adjusting member, a second adjusting member, a third adjusting member and a fourth adjusting member;

[0013] The first adjusting member is fixed relative to the first object to be adjusted, and the second adjusting member is movably connected to the first object to be adjusted through the first connecting part;

[0014] The third adjusting member is fixed relative to the second object to be adjusted, and the fourth adjusting member is movably connected to the second object to be adjusted through the second connecting part;

[0015] When the driving member moves to the first position, the driving member drives the first adjusting member and the third adjusting member to adjust the relative distance between the first object to be adjusted and the second object to be adjusted in the first direction;

[0016] When the driving member moves to the second position, the driving member can drive the second adjusting member to adjust the position of the first object to be adjusted in the second direction;

[0017] When the driving member moves to the third position, the driving member can drive the fourth adjusting member to adjust the position of the second object to be adjusted in the second direction.

[0018] Optionally, the adjusting assembly further comprises a first movable member and a second movable member;

[0019] The first object to be adjusted and the first adjusting member are respectively fixed on the first movable member, so that the first adjusting member is fixed relative to the first object to be adjusted;

[0020] The second object to be adjusted and the third adjusting member are respectively fixed on the second movable member, so that the third adjusting member is fixed relative to the second object to be adjusted;

[0021] When the driving member moves to the first position, the driving member can drive the first adjusting member and the third adjusting member at the same time, so that the first movable member and the second movable member move towards each other or move away from each other, to adjust the relative distance between the first object to be adjusted and the second object to be adjusted in the first direction;

[0022] When the driving member moves to the second position, the driving member can drive the second adjusting member to adjust the position of the first object to be adjusted in the second direction;

[0023] When the driving member moves to the third position, the driving member can drive the fourth adjusting member to adjust the position of the second object to be adjusted in the second direction.

[0024] Optionally, the driving member comprises a driving gear, and the first adjusting member, the second adjusting member, the third adjusting member and the fourth adjusting member are respectively a first gear rack, a second gear rack, a third gear rack and a fourth gear rack;

[0025] The driving member is capable of driving the first gear rack, the second gear rack, the third gear rack and the fourth gear rack through the driving gear;

[0026] The first connecting part is a first gear, and the second connecting part is a second gear. Optionally, the main support and the support cover plate fixed on the main support are further included;

[0027] The driving member, the first movable member and the second movable member are movably arranged on the main support, and the driving member is located between the first movable member and the second movable member;

[0028] The second gear rack is movably arranged on the first movable member, and the third gear rack and the fourth gear rack are movably arranged on the support cover plate;

[0029] When the driving member moves to the first position, the driving gear is engaged with the first gear rack and the third gear rack at the same time; when the driving member moves to the second position, the driving gear is engaged with the second gear rack; and when the driving member moves to the third position, the driving gear is engaged with the fourth gear rack.

[0030] Optionally, the main support comprises a support body, a first supporting column, a second supporting column, a first limiting slot and a second limiting slot;

[0031] The first supporting column, the first limiting slot, the second limiting slot and the second supporting column are sequentially arranged on the support body along the second direction;

[0032] Both ends of the driving member are located on the first supporting column and the second supporting column, a first end of the first gear rack is inserted into the first limiting slot, and a first end of the second gear rack is inserted into the second limiting slot.

[0033] Optionally, the first movable member is provided with a first insertion slot and a second insertion slot, and the support cover plate is provided with a third insertion slot and a fourth insertion slot;

[0034] A second end of the first gear rack is inserted into the first insertion slot, a second end of the second gear rack is inserted into the second insertion slot, the third gear rack is inserted into the third insertion slot, and the fourth gear rack is inserted into the fourth insertion slot.

[0035] Optionally, the first movable member and the second movable member are located at both ends of the main support along a first direction, and the first movable member and the second movable member are respectively provided with a pulley.

[0036] Two ends of the main support are respectively provided with a first sliding groove and a second sliding groove, the first movable piece is movably arranged in the first sliding groove through the pulley, and the second movable piece is movably arranged in the second sliding groove through the pulley.

[0037] Optionally, both sides of each tooth of the driving gear, the first rack, the second rack, the third rack and the fourth rack are designed with an entry angle.

[0038] Optionally, the adjusting device further comprises a limiting piece configured to limit the driving piece at the first position, the second position or the third position.

[0039] Optionally, the driving piece comprises a driving part and a limiting part, the driving part is used for driving the adjusting assembly, and the limiting part comprises a first limiting area, a second limiting area and a third limiting area.

[0040] When the limiting piece is located at the first limiting area, the limiting piece can limit the driving piece at the first position.

[0041] When the limiting piece is located at the second limiting area, the limiting piece can limit the driving piece at the second position.

[0042] When the limiting piece is located at the third limiting area, the limiting piece can limit the driving piece at the third position.

[0043] Optionally, the limiting piece is a limiting spring piece, and the first limiting area, the second limiting area and the third limiting area are circular arc grooves.

[0044] According to a second aspect of the present application, a head-mounted device is provided, comprising the adjusting device of the first aspect, the first piece to be adjusted is a left display module, the second piece to be adjusted is a right display module, and the left display module and the right display module are respectively applied to the left eye and the right eye of a user.

[0045] Optionally, the head-mounted device further comprises a front shell, a rear shell and a knob.

[0046] The adjusting device is located in an accommodating space formed by mutual buckling of the front shell and the rear shell, and the knob is connected with the driving piece through the front shell.

[0047] According to one embodiment of the present application, the adjusting device provided by the present application is capable of adjusting the positions of the first and second adjusting members in the second direction and the relative positions of the first and second adjusting members in the first direction when the driving member is located at different positions, by the cooperation between the driving member and the adjusting assembly, and when applied to a head-mounted device, the adjusting device can simultaneously achieve the purposes of myopia adjustment and IPD adjustment.

[0048] In the above structure, the adjusting device has simple structure, small space occupation, and is simple and practical, and is suitable for mass production.

[0049] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the following drawings. BRIEF DESCRIPTION OF DRAWINGS

[0050] The accompanying drawings incorporated in and forming a part of the specification illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application.

[0051] Figure 1 is a structural schematic view of an adjusting device provided by the present application.

[0052] Figure 2 is another perspective view of Figure 1 .

[0053] Figure 3 is an assembly schematic view of a main support, a driving member, a first adjusting member and a second adjusting member of an adjusting device provided by the present application.

[0054] Figure 4 is an exploded view of Figure 3 .

[0055] Figure 5 is an assembly schematic view of a first adjusting member and a first movable member provided by the present application.

[0056] Figure 6 is an assembly schematic view of a second adjusting member and a second movable member provided by the present application.

[0057] Figure 7 is an assembly schematic view of a support cover plate, a third rack and a fourth rack provided by the present application.

[0058] Figure 8 is an adjusting distance schematic view of an adjusting assembly provided by the present application.

[0059] Figure 9 is a relative position schematic view of a driving gear and an adjusting assembly when a driving member is located at a second position provided by the present application.

[0060] Figure 10 is Figure 9 is an enlarged view of A in FIG.

[0061] Figure 11 is a schematic view of relative positions of the driving gear and the adjusting assembly when the driving member is located at the third position.

[0062] Figure 12 is Figure 11 is an enlarged view of B in FIG.

[0063] Figure 13 is a schematic view of relative positions of the driving gear and the adjusting assembly when the driving member is located at the first position.

[0064] Figure 14 is Figure 13 is an enlarged view of C in FIG.

[0065] Figure 15 is Figure 4 is an enlarged view of D in FIG.

[0066] Figure 16 is a schematic view of assembly of the driving member and the limiting member.

[0067] Figure 17 is a schematic view of limiting of the driving member by the limiting member.

[0068] Figure 18 is a schematic view of tooth structure of any rack provided by the present application.

[0069] Figure 19 is a schematic view of tooth structure of the driving gear.

[0070] Figure 20 is a schematic view of structure of the first movable member provided by the present application.

[0071] Figure 21 is a schematic view of structure of the second movable member provided by the present application.

[0072] Figure 22 is a schematic view of structure of the main support provided by the present application.

[0073] Figure 23 is a schematic view of structure of the support cover plate provided by the present application.

[0074] Figure 24 is a schematic view of structure of the driving member provided by the present application.

[0075] Figure 25 is an exploded schematic view of a head-mounted device provided by the present application.

[0076] Explanation of reference signs:

[0077] 01, first to be adjusted member; 011, first gear;

[0078] 02, second to be adjusted member; 021, second gear;

[0079] 03, driving member; 031, driving gear; 032, first limiting area; 033, second limiting area; 034, third limiting area; 035, driving member cover plate;

[0080] 04, adjusting assembly; 041, first rack; 042, second rack; 043, third rack; 044, fourth rack;

[0081] 05, first movable member; 051, second slot;

[0082] 06, second movable member;

[0083] 07, main support; 071, support body; 072, first support column; 073, second support column; 074, first limiting slot; 075, second limiting slot; 076, first sliding slot; 077, second sliding slot;

[0084] 08, support cover plate; 081, third slot; 082, fourth slot;

[0085] 09, lead-in angle; 10, limiting member; 11, front shell; 12, rear shell; 13, knob. DETAILED DESCRIPTION

[0086] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements, numerical expressions, and values of components and steps set forth in these embodiments are not limiting to the scope of the present application unless otherwise specifically stated.

[0087] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way limiting to the scope of the application or its applications or uses.

[0088] Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail herein. However, the techniques, methods, and devices are further explained in connection with the description of the exemplary embodiments.

[0089] In all of the examples shown and discussed herein, any specific values should be interpreted as merely illustrative and not as a limitation on the scope of the exemplary embodiments. Thus, other examples of the exemplary embodiments can have different values.

[0090] It should be noted that like numbers and letters refer to like items throughout the drawings, and that, unless otherwise specified, a description of an item in one drawing does not require further discussion of that item in subsequent drawings.

[0091] AsFigures 1 to 24 As shown, the application provides an adjusting device applied to a head-mounted device, comprising: a first to-be-adjusted part 01, a second to-be-adjusted part 02, a driving part 03, and an adjusting assembly 04, the first to-be-adjusted part 01 is provided with a first connecting part, the second to-be-adjusted part 02 is provided with a second connecting part; the driving part 03 can be moved to a first position, a second position, and a third position in stages; the adjusting assembly 04 is connected with the first to-be-adjusted part 01 through the first connecting part, and connected with the second to-be-adjusted part 02 through the second connecting part, the adjusting assembly 04 can be used to adjust the positions of the first to-be-adjusted part 01 and the second to-be-adjusted part 02; when the driving part 03 moves to the first position, the driving part 03 can drive the adjusting assembly 04 to adjust the relative distance of the first to-be-adjusted part 01 and the second to-be-adjusted part 02 in a first direction; when the driving part 03 moves to the second position or the third position, the driving part 03 can drive the adjusting assembly 04 to adjust the position of the first to-be-adjusted part 01 or the second to-be-adjusted part 02 in a second direction; the second direction is perpendicular to the first direction.

[0092] Specifically, in the application, the driving part 03 can be moved to the first position, the second position, and the third position in stages, the movement of the driving part 03 between different positions can be realized manually, or realized through other ways, which is not limited in the application. In actual application, when the driving part 03 moves to the first position, the driving part 03 drives the adjusting assembly 04, so that the adjusting assembly 04 can adjust the relative distance of the first to-be-adjusted part 01 and the second to-be-adjusted part 02 in the first direction, that is, the driving part 03 can drive the adjusting assembly 04 to adjust the distance between the first to-be-adjusted part 01 and the second to-be-adjusted part 02, referring to Y in Figure 8 , Y represents the relative distance between the first to-be-adjusted part 01 and the second to-be-adjusted part 02 in the first direction. When the driving part 03 moves to the second position or the third position, the driving part 03 drives the adjusting assembly 04, so that the adjusting assembly 04 can adjust the position of the first to-be-adjusted part 01 or the second to-be-adjusted part 02 in the second direction, referring to X in Figure 8 , X represents the distance between the first to-be-adjusted part 01 or the second to-be-adjusted part 02 and the eyeball. In the above structure, through the cooperation of the driving part 03 and the adjusting assembly 04, the adjustment of multiple position parameters of the first to-be-adjusted part 01 and the second to-be-adjusted part 02 is realized, and the structure is simple, so that when it is applied to the head-mounted device, the occupied space is small and the operation is convenient.

[0093] In an embodiment, the above adjusting device is applied to a head-mounted device, wherein the first and second adjusting members 01 and 02 can be left and right optical systems for display, respectively, to be applied to the left and right eyes of a user to achieve the visual effect. The driving member 03 adjusts the relative distance of the first and second adjusting members 01 and 02 in the first direction through the driving adjusting assembly 04, i.e., the user can adjust the distance between the left and right display modules according to the interpupillary distance, i.e., to achieve the IPD adjustment function of the head-mounted device. The driving member 03 adjusts the positions of the first and second adjusting members 01 and 02 in the second direction through the driving adjusting assembly 04, respectively, i.e., the user can adjust the distance between the left and right display modules and the left and right eyes, respectively, according to the visual requirements of the left and right eyes, i.e., to achieve the myopia adjustment function of the head-mounted device. The adjusting device provided by the present application has a simple structure, can adjust the parameter information of the left and right display modules of the head-mounted device according to the visual requirements of the user, so that the head-mounted device can adapt to the requirements of different users, is convenient to operate, and is suitable for mass production.

[0094] Optionally, with reference to Figures 1 to 4 , the adjusting assembly 04 includes a first adjusting member, a second adjusting member, a third adjusting member, and a fourth adjusting member; the first adjusting member is fixed relative to the first adjusting member 01, the second adjusting member is movably connected to the first adjusting member 01 through a first connecting portion; the third adjusting member is fixed relative to the second adjusting member 02, and the fourth adjusting member is movably connected to the second adjusting member 02 through a second connecting portion; when the driving member 03 moves to the first position, the driving member 03 adjusts the relative distance of the first and second adjusting members 01 and 02 in the first direction by driving the first and third adjusting members; when the driving member 03 moves to the second position, the driving member 03 can drive the second adjusting member to adjust the position of the first adjusting member 01 in the second direction; when the driving member 03 moves to the third position, the driving member 03 can drive the fourth adjusting member to adjust the position of the second adjusting member 02 in the second direction.

[0095] Specifically, in the present embodiment, the adjusting assembly 04 can include different adjusting members, so that when the driving member 03 moves to different positions, the positions of the first and second adjusting members 01 and 02 are adjusted by cooperating with different adjusting members. The arrangement of different adjusting members can meet different adjustment requirements on the one hand, so that more accurate adjustment results are obtained for different adjustment requirements, and the reliability of the adjusting device is improved. On the other hand, different adjusting members are used for different functional adjustments, so that when the adjusting assembly 04 fails, the purpose of reducing maintenance cost can be achieved by replacing or repairing a single component, avoiding the need to replace the entire adjusting assembly 04.

[0096] In practical applications, the cooperation between each adjusting member (i.e., the first adjusting member, the second adjusting member, the third adjusting member, and the fourth adjusting member) and the driving member 03 can be realized through a mechanical structure or through an electric control manner, and the present application does not limit this.

[0097] Optionally, referring to Figures 1 to 14 , the adjusting device further comprises a first movable member 05 and a second movable member 06; the first to-be-adjusted member 01 and the first adjusting member are fixed on the first movable member 05, so that the first adjusting member is relatively fixed with the first to-be-adjusted member 01; the second to-be-adjusted member 02 and the third rack 043 are fixed on the second movable member 06, so that the third adjusting member is relatively fixed with the second to-be-adjusted member 02; when the driving member 03 moves to the first position, the driving member can drive the first adjusting member and the third adjusting member at the same time, so as to move the first movable member 05 and the second movable member 06 towards each other or away from each other, so as to adjust the relative distance between the first to-be-adjusted member 01 and the second to-be-adjusted member 02 in the first direction; when the driving member 03 moves to the second position, the driving member 03 can adjust the position of the first to-be-adjusted member in the second direction by driving the second adjusting member; when the driving member 03 moves to the third position, the driving member 03 can adjust the position of the second to-be-adjusted member in the second direction by driving the fourth adjusting member.

[0098] Further, the driving member 03 comprises a driving gear 031, and the first adjusting member, the second adjusting member, the third adjusting member, and the fourth adjusting member are respectively a first rack 041, a second rack 042, a third rack 043, and a fourth rack 044; the driving member 03 can drive the first rack 041, the second rack 042, the third rack 043, and the fourth rack 044 respectively through the driving gear 031; the first connecting part is a first gear 011, and the second connecting part is a second gear 021.

[0099] Specifically, in the present embodiment, each adjusting member is realized by using a rack structure, and the driving member 03 cooperates with each adjusting member through the driving gear 031 to realize the driving of each adjusting member at different positions. In addition, the first connecting part is a first gear 011, and the second connecting part is a second gear 021, which can realize the cooperation with each rack, and further realize the driving of each rack structure through the driving gear 031, as well as the cooperation of the first gear 011 and the second gear 021 under different adjusting requirements, and the state of the first movable member 05 and the second movable member 06 to realize different adjusting requirements. The specific adjusting process can be referred to the following steps.

[0100] In practical applications, referring to Figures 9 to 14When the driving member 03 moves to the first position, the driving gear 031 is engaged with the first rack 041 and the third rack 043 at the same time, the first rack 041 and the third rack 043 are fixedly connected with the first movable member 05 and the second movable member 06 respectively, and the first to-be-adjusted member 01 and the second to-be-adjusted member 02 are fixed on the first movable member 05 and the second movable member 06 respectively, so that when the driving gear 031 rotates, it can drive the first rack 041 and the third rack 043 to move in the first direction at the same time, thereby driving the first movable member 05 and the second movable member 06 to move towards or away from each other in the first direction, realizing the position change of the first to-be-adjusted member 01 and the second to-be-adjusted member 02 in the first direction, and further realizing the adjustment of the relative distance between the two, that is, the IPD adjustment of the head-mounted device.

[0101] Further, when the driving member 03 moves to the second position, the driving gear 031 is engaged with the second rack 042, the second rack 042 is engaged with the first gear 011 at the same time, the second rack 042 is movably arranged on the first movable member 05, and the first to-be-adjusted member 01 is fixed on the first movable member 05, so that when the driving gear 031 rotates, it can drive the second rack 042 to move on the first movable member 05 in the first direction, thereby driving the first gear 011 to rotate, and under the rotating action of the first gear 011, the position of the first to-be-adjusted member 01 in the second direction can change, so that the user realizes the myopia adjustment of a single eye. Similarly, when the driving member 03 moves to the third position, the driving gear 031 is engaged with the fourth rack 044, the fourth rack 044 is engaged with the second gear 021 at the same time, and the second to-be-adjusted member 02 is fixed on the second movable member 06, so that when the driving gear 031 rotates, it can drive the fourth rack 044 to move in the first direction, thereby driving the second gear 021 to rotate, and under the rotating action of the second gear 021, the position of the second to-be-adjusted member 02 in the second direction can change.

[0102] In the above structure, the specific structure of the first to-be-adjusted member 01 and the second to-be-adjusted member 02 can be the left and right optical systems of the head-mounted device, which can realize the adjustment of the distance between the left and right display modules and the eyes of the user through the rotation of the first gear 011 and the second gear 021, which belongs to the conventional device in the art, and will not be described here.

[0103] Optionally, with reference to Figures 1 to 7The adjusting device further comprises a main support 07 and a support cover plate 08 fixed on the main support 07; the driving member 03, the first movable member 05 and the second movable member 06 are movably arranged on the main support 07, and the driving member 03 is located between the first movable member 05 and the second movable member 06; the second rack 042 is movably arranged on the first movable member 05, the third rack 043 and the fourth rack 044 are movably arranged on the support cover plate 08; when the driving member 03 moves to the first position, the driving gear 031 is engaged with the first rack 041 and the third rack 043 at the same time; when the driving member 03 moves to the second position, the driving gear 031 is engaged with the second rack 042; when the driving member 03 moves to the third position, the driving gear 031 is engaged with the fourth rack 044.

[0104] Specifically, in the embodiment, the main support 07 and the support cover plate 08 play a main supporting role in the adjusting device on the one hand, and provide a setting position for the setting of the adjusting assembly 04 on the other hand, so that the cooperation of the driving member 03 and the adjusting assembly 04 is more compact, the integration of the whole adjusting device is improved, and the occupied space of the adjusting device is further saved. The specific shape and structure of the main support 07 and the support cover plate 08 can be adaptively set according to the specific form of the driving member 03 and the adjusting assembly 04, for reference Figure 22 and Figure 23 The present application does not limit this.

[0105] Optionally, the main support 07 comprises a support body 071, a first supporting column 072, a second supporting column 073, a first limiting groove 074 and a second limiting groove 075; the first supporting column 072, the first limiting groove 074, the second limiting groove 075 and the second supporting column 073 are sequentially arranged on the support body 071 along the second direction; the two ends of the driving member 03 are located on the first supporting column 072 and the second supporting column 073, the first end of the first rack 041 is inserted into the first limiting groove 074, and the first end of the second rack 042 is inserted into the second limiting groove 075.

[0106] Specifically, in the embodiment, the main support 07 has a support body 071 for supporting the entire adjusting device. The first support column 072 and the second support column 073 are used for supporting the driving member 03, the first limiting slot 074 and the second limiting slot 075 are used for limiting the positions of the first rack 041 and the second rack 042 in the second direction and guiding the moving tracks of the first rack 041 and the second rack 042 in the first direction. In addition, the support cover plate 08 can also be fixed on the main support 07 through the support structure, and the specific shape or size of each structure is not limited in the application. The shapes of the first limiting slot 074 and the second limiting slot 075 are matched with the shapes of the first rack 041 and the second rack 042 respectively. In addition, the adjusting device can also include a driving member cover plate 035, so that the driving member 03 can be more stably fixed on the main support 07.

[0107] Optionally, referring to Figure 5 , Figure 7 , Figure 20 and Figure 23 , the first movable member 05 is provided with a first slot and a second slot 051, and the support cover plate 08 is provided with a third slot 081 and a fourth slot 082; the second end of the first rack 041 is inserted into the first slot, the second end of the second rack 042 is inserted into the second slot 051, the third rack 043 is inserted into the third slot 081, and the fourth rack 044 is inserted into the fourth slot 082.

[0108] Specifically, in the embodiment, the first movable member 05 is provided with a first slot (not shown in the figure), which can be used to limit the position of the first rack 041 on the first movable member 05, so as to facilitate the fixed assembly of the first rack 041 and the first movable member 05. The second slot 051 is further used to limit the position of the second rack 042 in the second direction and guide the moving track of the second rack 042 in the first direction. The first slot and the second slot 051 make the assembly of the first rack 041 and the second rack 042 more convenient.

[0109] Optionally, referring to Figures 1 to 4 , the first movable member 05 and the second movable member 06 are located at the two ends of the main support 07 along the first direction, and the first movable member 05 and the second movable member 06 are respectively provided with pulleys; the two ends of the main support 07 are respectively provided with a first sliding groove 076 and a second sliding groove 077, and the first movable member 05 is movably arranged in the first sliding groove 076 through the pulley, and the second movable member 06 is movably arranged in the second sliding groove 077 through the pulley.

[0110] Specifically, in the embodiment, the first movable element 05 and the second movable element 06 can move relatively or oppositely on the main support 07 in the first direction, and the pulleys arranged on the first movable element 05 and the second movable element 06 facilitate the movement of the first movable element 05 and the second movable element 06 along the first sliding groove 076 and the second sliding groove 077 on the main support 07, thereby improving the accuracy of the movement of the first movable element 05 and the second movable element 06 in the first direction and improving the reliability of the adjusting device. The number of pulleys can be set according to actual needs. In addition, the arrangement of the pulleys and the sliding grooves reduces the sliding friction between the first movable element 05, the second movable element 06 and the main support 07, which helps to save energy and improve the convenience of adjusting the adjusting device.

[0111] Optionally, referring to Figure 18 and Figure 19 , the two sides of each tooth of the drive gear 031, the first rack 041, the second rack 042, the third rack 043 and the fourth rack 044 are designed with an entry angle 09.

[0112] Specifically, in the embodiment, the two sides of each gear and rack structure are designed with a right entry angle 09, as shown in Figure 18 and Figure 19 , the arrangement of the entry angle 09 facilitates the meshing of the drive gear 031 and each rack when the driving element 03 changes position, thereby improving the convenience of moving the driving element 03.

[0113] Optionally, referring to Figures 9 to 14 , the adjusting device further comprises a limiting element 10 configured to limit the driving element 03 at the first position, the second position or the third position.

[0114] Specifically, in the embodiment, the arrangement of the limiting element 10 enables the driving element 03 to be kept at the first position, the second position or the third position, so that the user improves the accuracy of the adjustment when performing IPD adjustment or myopia adjustment, and avoids adjustment errors caused by changes in the position of the driving element 03.

[0115] Optionally, referring to Figure 24 , the driving element 03 comprises a driving part and a limiting part, the driving part is used to drive the adjusting assembly 04, and the limiting part comprises a first limiting area 032, a second limiting area 033 and a third limiting area 034; when the limiting element 10 is located in the first limiting area 032, the limiting element 10 can limit the driving element 03 at the first position; when the limiting element 10 is located in the second limiting area 033, the limiting element 10 can limit the driving element 03 at the second position; when the limiting element 10 is located in the third limiting area 034, the limiting element 10 can limit the driving element 03 at the third position.

[0116] Specifically, in the embodiment, the driving member 03 has a driving part and a limiting part, wherein the driving part is used to cooperate with the adjusting assembly 04 to realize the driving effect on the adjusting assembly 04, and the limiting part is configured to enable the limiting member 10 to realize the limiting effect on the driving member 03. In addition, each limiting area (i.e., the first limiting area 032, the second limiting area 033 and the third limiting area 034) of the limiting part can cooperate with the limiting member 10 to realize the limiting of the driving member 03 at the first position, the second position and the third position respectively, and the form of each limiting area cooperates with the limiting member 10, and the specific structural form is not limited in the application.

[0117] Optionally, referring to Figure 24 , the limiting member 10 is a limiting spring, and the first limiting area 032, the second limiting area 033 and the third limiting area 034 are all circular arc grooves.

[0118] Specifically, as shown in Figure 16 and Figure 17 , the limiting member 10 is a limiting spring with a circular arc end, the first limiting area 032, the second limiting area 033 and the third limiting area 034 are matched with the shape of the limiting spring and are configured as circular arc groove structures. The cooperation of the limiting spring and the groove structure can realize the conversion of the position of the driving member 03 and the limitation of the position of the driving member 03 at the same time.

[0119] As shown in Figure 25 , the application provides a head-mounted device, comprising: the adjusting device of the first aspect, the first to-be-adjusted member 01 is a left display module, the second to-be-adjusted member 02 is a right display module, and the left display module and the right display module are respectively applied to the left eye and the right eye of a user.

[0120] Specifically, in the embodiment, the first to-be-adjusted member 01 and the second to-be-adjusted member 02 of the head-mounted device can be respectively left and right display modules in the head-mounted device, which are used for the visual requirements of the left and right eyes of a user. The adjusting device provided by the first aspect of the application can realize the IPD adjustment function of the head-mounted device and the myopia adjustment function of the left and right eyes at the same time, so that the head-mounted device can adapt to the visual requirements of different users, is convenient to operate, is suitable for mass production, and has a smaller occupied space, which is beneficial to realize the miniaturization and light weight of the head-mounted device.

[0121] Optionally, the head-mounted device further comprises a front shell 11, a rear shell 12 and a knob 13; the adjusting device is located in an accommodating space formed by the mutual buckling of the front shell 11 and the rear shell 12, and the knob 13 is connected with the driving member 03 through the front shell 11.

[0122] Specifically, as shown in Figure 25As shown, the head-mounted device includes a front shell 11 and a rear shell 12, and the adjusting device and the first and second adjusting objects 01 and 02 are arranged in the front shell 11 and the rear shell 12, so as to realize the protection of the head-mounted device. The knob 13 is connected with the driving member 03 through the front shell 11, so that the user can push and pull or rotate the driving member 03 through the knob 13, so as to realize the IPD adjustment or myopia adjustment of the head-mounted device.

[0123] The above embodiments mainly describe the differences between the embodiments, and the different optimization features between the embodiments can be combined to form a better embodiment without contradiction. Considering the brevity of the writing, it will not be repeated here.

[0124] Although some specific embodiments of the present application have been described in detail through examples, those skilled in the art should understand that the above examples are only for illustration, not for limiting the scope of the present application. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. An adjustment device applied to a head-mounted device, characterized in that, The application relates to a position adjusting device, which comprises the following parts: a first adjusting part and a second adjusting part, the first adjusting part is provided with a first connecting part, and the second adjusting part is provided with a second connecting part; a driving part, which can be moved to a first position, a second position and a third position in turns; an adjusting assembly, which comprises a first adjusting part, a second adjusting part, a third adjusting part and a fourth adjusting part, the first adjusting part is fixed relative to the first adjusting part, the second adjusting part is movably connected with the first adjusting part through the first connecting part, the third adjusting part is fixed relative to the second adjusting part, the fourth adjusting part is movably connected with the second adjusting part through the second connecting part, and the adjusting assembly can be used for adjusting the positions of the first adjusting part and the second adjusting part; when the driving part is moved to the first position, the driving part can drive the first adjusting part and the third adjusting part to adjust the relative distance of the first adjusting part and the second adjusting part in a first direction; when the driving part is moved to the second position or the third position, the driving part can drive the second adjusting part or the fourth adjusting part to adjust the position of the first adjusting part or the second adjusting part in a second direction respectively; the second direction is perpendicular to the first direction.

2. The adjustment device of claim 1, wherein The application further comprises a first movable part and a second movable part; the first adjusting part and the first adjusting part are fixed on the first movable part, so that the first adjusting part is fixed relative to the first adjusting part; the second adjusting part and the third adjusting part are fixed on the second movable part, so that the third adjusting part is fixed relative to the second adjusting part; when the driving part is moved to the first position, the driving part can drive the first adjusting part and the third adjusting part to move the first movable part and the second movable part towards each other or away from each other, so as to adjust the relative distance of the first adjusting part and the second adjusting part in the first direction; when the driving part is moved to the second position, the driving part can drive the second adjusting part to adjust the position of the first adjusting part in the second direction; when the driving part is moved to the third position, the driving part can drive the fourth adjusting part to adjust the position of the second adjusting part in the second direction.

3. The adjustment device of claim 2, wherein The driving part comprises a driving gear, and the first adjusting part, the second adjusting part, the third adjusting part and the fourth adjusting part are first, second, third and fourth racks respectively; the driving part can drive the first, second, third and fourth racks through the driving gear respectively; the first connecting part is a first gear, and the second connecting part is a second gear.

4. The adjustment device of claim 3, wherein The application further comprises a main support and a support cover plate fixed on the main support; the driving part, the first movable part and the second movable part are movably arranged on the main support, and the driving part is located between the first movable part and the second movable part. The second rack is movably arranged on the first movable member, and the third rack and the fourth rack are movably arranged on the bracket cover plate respectively; When the driving member moves to the first position, the driving gear is engaged with the first rack and the third rack simultaneously; When the driving member moves to the second position, the driving gear is engaged with the second rack; When the driving member moves to the third position, the driving gear is engaged with the fourth rack.

5. The adjustment device of claim 4, wherein, The main bracket comprises a bracket body, a first support column, a second support column, a first limiting groove and a second limiting groove; The first support column, the first limiting groove, the second limiting groove and the second support column are sequentially arranged on the bracket body along the second direction; The two ends of the driving member are located on the first support column and the second support column, the first end of the first rack is inserted into the first limiting groove, and the first end of the second rack is inserted into the second limiting groove.

6. The adjustment device of claim 5, wherein, The first movable member is provided with a first insertion slot and a second insertion slot, and the bracket cover plate is provided with a third insertion slot and a fourth insertion slot; The second end of the first rack is inserted into the first insertion slot, the second end of the second rack is inserted into the second insertion slot, the third rack is inserted into the third insertion slot, and the fourth rack is inserted into the fourth insertion slot.

7. The adjustment device of claim 4, wherein The first movable member and the second movable member are located at the two ends of the main bracket along a first direction, and the first movable member and the second movable member are respectively provided with pulleys; The two ends of the main bracket are respectively provided with a first sliding groove and a second sliding groove, the first movable member is movably arranged in the first sliding groove through the pulley, and the second movable member is movably arranged in the second sliding groove through the pulley.

8. The adjustment device of claim 3, wherein The two sides of each tooth of the driving gear, the first rack, the second rack, the third rack and the fourth rack are designed with lead-in angles.

9. The adjustment device of claim 1, wherein, Further comprising a limiting member configured to limit the driving member at the first position, the second position or the third position.

10. The adjustment device of claim 9, wherein, The driving member comprises a driving part and a limiting part, the driving part is used for driving the adjusting assembly, and the limiting part comprises a first limiting area, a second limiting area and a third limiting area; When the limiting member is located in the first limiting area, the limiting member can limit the driving member at the first position; When the limiting member is located in the second limiting area, the limiting member can limit the driving member at the second position; When the limiting member is located in the third limiting area, the limiting member can limit the driving member at the third position.

11. The adjustment device of claim 10, wherein, The limiting member is a limiting spring sheet, and the first limiting area, the second limiting area and the third limiting area are circular arc grooves.

12. A head-mounted device, comprising: The adjusting device of any one of claims 1-11, wherein the first adjustable member is a left display module, and the second adjustable member is a right display module, and the left display module and the right display module are respectively applied to the left eye and the right eye of a user. Further comprising a front shell, a rear shell and a knob.

13. The headgear of claim 12, wherein, ​ The adjusting device is located in a containing space formed by mutual buckling of the front shell and the rear shell, and the knob is connected with the driving member through the front shell.

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