CN116909034B - Bandage adjustment mechanism and head-mounted display device - Google Patents
Bandage adjustment mechanism and head-mounted display device Download PDFInfo
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- CN116909034B CN116909034B CN202311172285.2A CN202311172285A CN116909034B CN 116909034 B CN116909034 B CN 116909034B CN 202311172285 A CN202311172285 A CN 202311172285A CN 116909034 B CN116909034 B CN 116909034B
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Abstract
The application discloses a binding band adjusting mechanism and head-mounted display equipment. The adjusting assembly comprises a mounting carrier and an adjusting knob, and the adjusting knob is slidably arranged on the mounting carrier along the axial direction of the adjusting knob so that the adjusting knob has a first position and a second position; in the first position, the adjusting knob can rotate relative to the mounting carrier so as to drive the two binding bands to be close to and far away from each other, and in the second position, the rotating movement of the adjusting knob is locked; the limiting structure is used for limiting the adjusting knob to a first position and a second position. The technical scheme of the application can improve the applicability of the head-mounted display device to different users.
Description
Technical Field
The application relates to the technical field of head-mounted display equipment, in particular to a binding band adjusting mechanism and head-mounted display equipment applying the same.
Background
Currently, with the appearance and explosion of the metauniverse concept, the development of VR technology and AR technology is pushed to climax, and head-mounted display devices serving as carriers of VR technology and AR technology are more widely used. However, during actual use of the head-mounted display device, the heads of different users have different sizes, so that the head-mounted display device may not be well adapted to be worn by different users.
Disclosure of Invention
The application mainly aims to provide a binding band adjusting mechanism which aims to improve the applicability of head-mounted display equipment to different users.
In order to achieve the above object, the present application provides a strap adjusting mechanism applied to a head-mounted display device, comprising:
two straps;
the adjusting assembly comprises a mounting carrier and an adjusting knob, and the adjusting knob is slidably arranged on the mounting carrier along the axial direction of the adjusting knob so that the adjusting knob has a first position and a second position; in the first position, the adjusting knob can rotate relative to the mounting carrier so as to drive the two binding bands to be close to and far away from each other, and in the second position, the rotating movement of the adjusting knob is locked; and
and the limiting structure is used for limiting the adjusting knob to the first position and the second position.
Optionally, the mounting carrier is provided with a stop rib, and the adjusting knob is provided with an abutting rib;
in the first position, the abutting rib and the stop rib are arranged at intervals, and in the second position, the abutting rib and the stop rib are abutted to lock the rotation movement of the adjusting knob.
Optionally, the limiting structure comprises a limiting part and a matching part which are oppositely arranged, wherein the limiting part is arranged on the mounting carrier, and the matching part is arranged on the adjusting knob;
one of the limiting piece and the matching piece is provided with a plurality of first limiting grooves, the first limiting grooves are sequentially formed along the circumferential direction of the adjusting knob, the other one of the limiting pieces and the matching piece is provided with limiting ribs, the limiting ribs are located outside the first limiting grooves in the first position, and the limiting ribs are inserted into one of the first limiting grooves in the second position.
Optionally, the limiting piece or the matching piece provided with the first limiting groove is further provided with a plurality of second limiting grooves, the second limiting grooves are sequentially arranged along the circumferential direction of the adjusting knob, and one first limiting groove is arranged between every two adjacent second limiting grooves;
in the axial direction of the adjusting knob, the depth of the second limit groove is smaller than that of the first limit groove, in the first position, the limit rib is inserted into one of the second limit grooves, and the limit piece is rotatably arranged on the mounting carrier.
Optionally, when the limiting rib is arranged on the limiting piece, the first limiting groove and the second limiting groove are arranged on the matching piece;
the matching piece is provided with a guide wall surface, the guide wall surface is connected with two groove walls of the first limiting groove, which are close to the second limiting groove, and the guide wall surface is used for guiding the limiting rib separated from the first limiting groove to slide into the second limiting groove and/or guiding the limiting rib separated from the second limiting groove to slide into the first limiting groove.
Optionally, the guiding wall surface is used for guiding the spacing rib separated from the first spacing groove to slide into the second spacing groove, the second spacing groove is provided with a guiding groove wall connected with the groove wall of the first spacing groove, and the guiding groove wall is used for guiding the spacing rib separated from the second spacing groove to slide into the first spacing groove.
Optionally, the mounting carrier is provided with a mounting hole, the adjusting assembly further comprises a rotating shaft, and the rotating shaft is rotatably arranged in the mounting hole in a penetrating manner;
the adjusting knob is slidably inserted into one end of the rotating shaft, the other end of the rotating shaft is used for driving the two binding bands to be close to and far away from each other, and the limiting piece is connected to one end, close to the adjusting knob, of the rotating shaft.
Optionally, a sliding cavity is arranged in the rotating shaft, the sliding cavity extends along the sliding direction of the adjusting knob, and a communication hole is further arranged at one end of the rotating shaft, which is close to the adjusting knob; the adjusting knob is provided with a connecting column which is slidably inserted into the communication hole, one end of the connecting column, which is far away from the adjusting knob, is provided with a blocking piece, and the blocking piece is positioned in the sliding cavity and can be abutted against the cavity wall of the sliding cavity, which is provided with the communication hole;
and/or the mounting hole is provided with a first orifice and a second orifice which are oppositely arranged, wherein the first orifice is arranged close to the adjusting knob, and the second orifice is arranged close to the binding band; the rotating shaft is provided with a first stop piece and a second stop piece, the first stop piece is abutted against the wall surface of the mounting carrier, provided with the first hole, and the second stop piece is abutted against the wall surface of the mounting carrier, provided with the second hole;
and/or one end of the rotating shaft, which is far away from the adjusting knob, is connected with a gear, the binding bands are provided with a plurality of meshing teeth, a plurality of meshing teeth in each binding band are sequentially arranged along the sliding direction of the binding bands, and the meshing teeth in the two binding bands are meshed with two opposite sides of the gear.
Optionally, the limiting piece and the matching piece are both magnetic bodies;
or one of the limiting piece and the matching piece is a magnetic body, and the other is a metal piece which can be adsorbed by the magnetic body.
The application also provides head-mounted display equipment comprising the binding band adjusting mechanism.
When the strap adjusting mechanism disclosed by the technical scheme of the application is applied to head-mounted display equipment, the adjusting knob in the adjusting assembly is driven to slide to the first position along the axial direction of the adjusting knob, and the adjusting knob is limited and kept at the first position through the limiting structure, so that the adjusting knob can rotate relative to the mounting carrier and drive the two straps to be close to and far away from each other, and the telescopic adjustment of the two straps is realized, so that the size of the head of a user is matched. After the adjusting knob is adjusted in place, the adjusting knob is driven to slide to a second position along the axial direction of the adjusting knob, and the adjusting knob is kept at the second position in a limiting mode through a limiting structure, so that the rotating movement of the adjusting knob can be locked. That is, the adjusting knob cannot rotate, and therefore limiting of the two binding bands is achieved, so that the two binding bands are kept in a state of being adjusted in place, and a user can wear the head-mounted display device stably. Therefore, the structure of the binding band adjusting mechanism in the scheme is set, so that the head-mounted display device can correspondingly stretch and retract to and adjust two binding bands for different users. So make wear display device can be better the different users of adaptation wear to improved wear display device to different user's suitability. Moreover, the unlocking, the telescopic adjustment and the locking of the two binding bands are carried out on one adjusting knob, so that the structure of the adjusting assembly is simple, the adjusting operation can be simplified, and the user experience of the user on the head-mounted display device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of a strap adjustment mechanism of the present application;
FIG. 2 is a schematic view of another view of the strap adjustment mechanism of FIG. 1;
FIG. 3 is a schematic view of an exploded view of the strap adjustment mechanism of FIG. 1;
FIG. 4 is another schematic view of an exploded construction of the strap adjustment mechanism of FIG. 3;
fig. 5 is a schematic view illustrating a state in which a limit rib of a limit member in a limit structure of the strap adjustment mechanism in fig. 1 is inserted into a first limit groove on a mating member;
FIG. 6 is a schematic view illustrating a state in which a second limiting groove of the engaging member is inserted with a limiting rib of the limiting member in FIG. 5;
FIG. 7 is a schematic view of an explosion structure of the spacing member and the mating member of FIG. 6
FIG. 8 is a schematic cross-sectional view of the strap adjustment mechanism of FIG. 1;
FIG. 9 is an enlarged partial schematic view of FIG. 8A;
FIG. 10 is a schematic view of a partial exploded view of the strap adjustment mechanism of FIG. 1;
FIG. 11 is another schematic view of a partially exploded view of the strap adjustment mechanism of FIG. 10.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present application, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
Referring to fig. 1 to 9 in combination, the present application proposes a strap adjustment mechanism 100, which is applied to a head-mounted display device, and the head-mounted display device may be a virtual reality device, an augmented reality device, or the like. In one embodiment of the application, the strap adjustment mechanism 100 includes two straps 10 and an adjustment assembly 30. The adjusting assembly 30 comprises a mounting carrier 31, an adjusting knob 33 and a limiting structure, wherein the adjusting knob 33 is slidably arranged on the mounting carrier 31 along the axial direction of the adjusting knob 33 so that the adjusting knob 33 has a first position and a second position; in the first position, the adjustment knob 33 can rotate relative to the mounting carrier 31 to bring the two straps 10 toward and away from each other, and in the second position, the rotational movement of the adjustment knob 33 is locked; the limiting structure 50 is used for limiting the adjusting knob 33 to the first position and the second position.
The strap 10, as the name implies, is a strap that binds the head-mounted display device to the head of the user to achieve a more stable wearing of the head-mounted display device by the user. One end of the strap 10 may be used to connect with a host of the head mounted display device, while the other end may be used to connect with the adjustment assembly 30 to drive the two straps 10 to extend or retract via the adjustment assembly 30.
The adjusting assembly 30 can be provided with a mounting position by the mounting carrier 31 to mount the adjusting knob 33 and other parts in the adjusting assembly 30, thereby facilitating the assembling of the adjusting assembly 30 into a whole for use. The mounting carrier 31 may be a plate structure, a shell structure, a column structure, or the like, and the specific structure and shape of the mounting carrier 31 are not limited in the present application. The adjusting knob 33 may be slidably and rotatably disposed on the mounting carrier 31, where the adjusting knob 33 slides relative to the mounting carrier 31 to have a first position and a second position, and when the adjusting knob 33 rotates relative to the mounting carrier 31 in the first position, the adjusting knob can further drive the two binding bands 10 to approach each other when the adjusting knob rotates in the first direction (one of clockwise and counterclockwise), so as to implement contraction of the two binding bands 10; and when rotating in a second direction (the other of the clockwise and the anticlockwise direction) opposite to the first direction, the two binding bands 10 can be driven to be away from each other, so that the two binding bands 10 can be stretched. In the second position, the rotary movement of the adjustment knob 33 is locked against rotation, so that the two straps 10 are also locked in a limited manner. Therefore, the adjustment knob 33 is said to be circumferentially restrained in the second position, and is said to be circumferentially restrained released in the first position. The adjusting knob 33 may have a cylindrical structure to adapt to the rotation track thereof for convenient rotation. In addition, the adjusting knob 33 may drive the two straps 10 by directly or indirectly connecting the gear 357 of the adjusting knob 33 to the engaging teeth 11 of the two straps 10 as described below, or by connecting one ends of the two connecting ropes to the two straps 10 respectively and connecting the other ends to the adjusting knob 33. That is, the form of driving the two straps 10 by the adjusting knob 33 is not limited, and the two straps 10 can be driven to approach and separate from each other by rotating the adjusting knob 33.
The limiting structure 50 can be used for limiting the axial direction of the adjusting knob 33, so that the adjusting knob 33 can be stably positioned at the first position and the second position, and further the possibility that the adjusting knob 33 shakes back and forth at the first position and the second position is reduced, and the strap adjusting mechanism 100 can work normally and stably. Wherein the limiting structure 50 may be a combination of a limiting member 51 and a mating member 53 as described below. Of course, a combination of ring grooves and ribs is also possible. At this time, the mounting carrier 31 may be provided with annular grooves at both the first position and the second position, and the adjusting knob 33 may be provided with ribs, and the ribs may be elastically embedded in the annular grooves at the first position when the adjusting knob 33 slides to the first position; when the adjusting knob 33 slides to the second position, the ribs can be elastically embedded in the ring grooves at the second position.
When the strap adjusting mechanism 100 of the technical scheme of the application is applied to the head-mounted display device, the adjusting knob 33 in the adjusting assembly 30 is driven to slide to the first position along the axial direction of the adjusting knob 33, and the adjusting knob 33 is kept at the first position in a limiting mode through the limiting structure 50, so that the adjusting knob 33 can rotate relative to the mounting carrier 31 and drive the two straps 10 to approach and separate from each other, and therefore telescopic adjustment of the two straps 10 is achieved, and the size of the head of a user is adapted. After the adjustment is in place, the adjustment knob 33 is driven to slide to the second position along the axial direction thereof, and the adjustment knob 33 is kept in the second position in a limiting manner by the limiting structure 50, so that the rotation movement of the adjustment knob 33 can be locked. That is, the adjustment knob 33 cannot be rotated, and thus the limitation of the two bands 10 is achieved, so that it is maintained in a state of being adjusted in place to facilitate the stable wearing of the head-mounted display device by the user. It can be seen that the structure of the strap adjustment mechanism 100 in this embodiment is configured such that the head-mounted display device can perform corresponding telescopic adjustment on the two straps 10 for different users. So make wear display device can be better the different users of adaptation wear to improved wear display device to different user's suitability. Moreover, the unlocking, telescopic adjustment and locking of the two binding bands 10 are performed on one adjusting knob 33, so that the structure of the adjusting assembly 30 is simpler, the adjusting operation can be simplified, and the user experience of the head-mounted display device is improved.
Referring to fig. 3 and 4 in combination, in an embodiment of the present application, the mounting carrier 31 is provided with a stop rib 311, and the adjusting knob 33 is provided with an abutment rib 331; in the first position, the abutment rib 331 and the stop rib 311 are disposed at intervals, and in the second position, the abutment rib 331 and the stop rib 311 abut against each other to lock the rotational movement of the adjusting knob 33.
In the present embodiment, a stopper rib 311 is provided on the mounting carrier 31, and the adjustment knob 33 is provided with an abutment rib 331. Thus, when the adjusting knob 33 is slid to the second position, the abutment rib 331 may abut against the stop rib 311. At this time, the circumferential direction of the adjusting knob 33 can be limited by the abutting engagement of the stop rib 311 and the abutting rib 331, so that the rotational movement of the adjusting knob 33 is locked. And when the adjusting knob 33 is slid to the first position, the abutment rib 331 may be separated from the stopper rib 311. The stop rib 311 cannot limit the circumference of the adjustment knob 33, thereby unlocking the locking of the rotational movement of the adjustment knob 33. Moreover, because the stop rib 311 and the abutting rib 331 are in abutting fit, the stop rib 311 and the abutting rib 331 can be in contact to lock the rotation movement of the adjusting knob 33, and the stop rib 311 and the abutting rib 331 can be separated to unlock the rotation movement of the adjusting knob 33, so that the rotation movement of the adjusting knob 33 is locked and unlocked in a simple process, and the efficiency of telescopic adjustment of the binding band 10 of the head-mounted display device is improved. Meanwhile, under the condition that the locking and unlocking of the rotation movement of the adjusting knob 33 are conveniently realized, the structure of the part can be simplified, that is, the structures of the stop rib 311 and the abutting rib 331 are simpler, so that the convenience in manufacturing the strap adjusting mechanism 100 is also improved. The stop rib 311 may be a block structure or a column structure, and the specific structure and shape of the stop rib 311 are not limited in the present application. Similarly, the abutment rib 331 may have a block structure or a column structure, and the specific structure and shape of the abutment rib 331 are not limited in the present application. The number of the stop ribs 311 and the abutment ribs 331 may be one, or two or more, and the number of the stop ribs 311 and the abutment ribs 331 is not limited in the present application. In addition, the stopper rib 311 may be provided at a side of the mounting carrier 31 facing the adjustment knob 33, and the abutment rib 331 may be provided at a side of the adjustment knob 33 facing the mounting carrier 31. And then make backstop muscle 311 and butt muscle 331 can be located between installation carrier 31 and adjust knob 33 to make this partial structure can draw hidden setting, thereby be favorable to improving the isolation protection effect to this partial structure, and improve the aesthetic property of wear display device outward appearance. Of course, the abutment rib 331 may be provided on the side peripheral surface of the adjustment knob 33, and the reinforcing rib may be provided on one side of the adjustment knob 33, and the positions of the abutment rib 331 and the reinforcing rib are not limited in the present application. In addition, in other embodiments, a contact block that can slide along the radial direction of the adjusting knob 33 may be provided on the mounting carrier 31, and when the adjusting knob 33 slides to the second position, the contact block may contact the side circumferential surface of the adjusting knob 33, so as to lock the rotating movement of the adjusting knob 33; when the adjustment knob 33 is slid to the first position, the adjustment knob 33 can be separated from the abutment block, thereby releasing the lock of the rotational movement of the adjustment knob 33. That is, the present application is not limited to the manner of locking the rotational movement of the adjustment knob 33.
Referring to fig. 5 to fig. 7 in combination, in an embodiment of the present application, the limiting structure 50 includes a limiting member 51 and a mating member 53 that are disposed opposite to each other, the limiting member 51 is disposed on the mounting carrier 31, and the mating member 53 is disposed on the adjusting knob 33; one of the limiting member 51 and the matching member 53 is provided with a plurality of first limiting grooves 531, the plurality of first limiting grooves 531 are sequentially arranged along the circumferential direction of the adjusting knob 33, the other one of the first limiting grooves 531 is provided with a limiting rib 511, the limiting rib 511 is located outside the first limiting grooves 531 at a first position, and the limiting rib 511 is inserted into one of the first limiting grooves 531 at a second position.
In this embodiment, since one of the limiting member 51 and the mating member 53 is provided with the first limiting groove 531, and the other one of the limiting member 51 and the mating member 53 is provided with the limiting rib 511, when the adjusting knob 33 slides to the second position to enable the limiting rib 511 to be inserted into the first limiting groove 531, the limiting member 51 and the mating member 53 can be distributed more compactly in the axial direction of the adjusting knob 33, so that the adjusting knob 33 can be relatively close to the mounting carrier 31, and the abutting rib 331 on the adjusting knob 33 and the stop rib 311 on the mounting carrier 31 can be abutted. When the adjusting knob 33 slides to the first position to enable the limiting rib 511 to be inserted out of the first limiting groove 531, the lengths of the limiting piece 51 and the matching piece 53 in the axial direction of the adjusting knob 33 can be increased, so that the corresponding adjusting knob 33 can be far away from the mounting carrier 31, and the abutting rib 331 on the adjusting knob 33 is separated from the stop rib 311 on the mounting carrier 31. In addition, the limiting piece 51 and the matching piece 53 are relatively simple in plugging limiting, so that on one hand, stable limiting of the adjusting knob 33 at the first position can be realized, and on the other hand, the structure of the limiting structure 50 can be simplified, thereby being beneficial to further improving the convenience in manufacturing the strap adjusting mechanism 100. Wherein the limit rib 511 may be provided on the limit piece 51, and the first limit groove 531 may be provided on the mounting carrier 31. The number of the stopper ribs 511 may be one, or may be plural corresponding to the number of the first stopper grooves 531. At this time, the limiting member 51 may have an annular structure, and a plurality of limiting ribs 511 extending along the axial direction of the limiting member 51 are protruded on the side circumferential surface thereof. The engaging member 53 may be provided with a plurality of first limiting grooves 531 for convenience, or may be provided with an annular structure. In addition, the connection of the stopper 51 and the mount carrier 31 may be an adhesive connection, so that there is no need to provide a connection structure on both, which is advantageous in simplifying the structure of both. Likewise, the fitting 53 and the adjusting knob 33 may also be provided as an adhesive connection.
Referring to fig. 5 to fig. 7 in combination, in an embodiment of the application, the limiting member 51 or the matching member 53 provided with the first limiting groove 531 is further provided with a plurality of second limiting grooves 533, the plurality of second limiting grooves 533 are sequentially arranged along the circumferential direction of the adjusting knob 33, and a first limiting groove 531 is disposed between every two adjacent second limiting grooves 533; in the axial direction of the adjusting knob 33, the depth of the second limiting groove 533 is smaller than that of the first limiting groove 531, and in the first position, the limiting rib 511 is inserted into one of the second limiting grooves 533, and the limiting member 51 is rotatably disposed on the mounting carrier 31.
In this embodiment, by setting the second limiting groove 533, when the adjusting knob 33 slides to the first position, the limiting rib 511 can be inserted into the second limiting groove 533, so as to facilitate the stable limiting of the adjusting knob 33 at the first position, so that the user can conveniently and stably drive the adjusting knob 33 to rotate to drive the two binding bands 10 to approach and separate from each other.
Referring to fig. 5 to fig. 7 in combination, in an embodiment of the present application, when the limiting rib 511 is disposed on the limiting member 51, the first limiting groove 531 and the second limiting groove 533 are disposed on the mating member 53; the mating member 53 has a guiding wall surface 535, where the guiding wall surface 535 connects two groove walls of the first limiting groove 531 and the second limiting groove 533, and the guiding wall surface 535 is used for guiding the limiting rib 511 separated from the first limiting groove 531 to slide into the second limiting groove 533, and/or guiding the limiting rib 511 separated from the second limiting groove 533 to slide into the first limiting groove 531.
In this embodiment, the guiding wall 535 may have a guiding effect on the limiting rib 511, so that after the adjusting knob 33 slides from the second position to the first position to rotate, the limiting rib 511 may be guided by the guiding wall 535 to enter the second limiting groove 533. Alternatively, after the adjustment knob 33 is rotated by sliding from the first position to the second position, the guide stopper rib 511 may be guided into the first stopper groove 531 by the guide wall surface 535. The guiding wall 535 may be an inclined surface, or may be an arc surface. In order to enhance the guiding effect, the limit rib 511 may be provided with a wall surface adapted to the guiding wall surface 535.
Referring to fig. 5 to 7 in combination, in an embodiment of the application, the guiding wall 535 is used for guiding the limit rib 511 separated from the first limit groove 531 to slide into the second limit groove 533, the second limit groove 533 has a guiding groove wall 537 connected to the groove wall of the first limit groove 531, and the guiding groove wall 537 is used for guiding the limit rib 511 separated from the second limit groove 533 to slide into the first limit groove 531.
In the present embodiment, a groove wall of the second limiting groove 533 away from the guiding wall surface 535 is set as a guiding groove wall 537, so that the engaging member 53 is directly used to guide the limiting rib 511 to slide into the first limiting groove 531 without further setting the guiding wall surface 535 between the side of the second limiting groove 533 away from the guiding wall surface 535 and the first limiting groove 531. This can further simplify the structure of the fitting 53, thereby contributing to further improving the convenience in manufacturing the strap adjustment mechanism 100.
In an embodiment of the present application, the limiting member 51 and the mating member 53 may be both magnetic bodies.
In this embodiment, the limiting member 51 and the mating member 53 are configured as magnetic bodies, so that the two members can be magnetically connected, thereby being beneficial to further improving the limiting effect of the limiting structure 50 on the adjusting knob 33 in the first position and the second position. Of course, in order to realize the magnetically attractable connection between the limiting member 51 and the mating member 53, in an embodiment, one of the limiting member 51 and the mating member 53 may be a magnetic body, and the other may be a metal member that may be attracted by the magnetic body.
Referring to fig. 8 and 9 in combination, in an embodiment of the present application, the mounting carrier 31 is provided with a mounting hole 313, the adjusting assembly 30 further includes a rotation shaft 35, and the rotation shaft 35 rotatably penetrates through the mounting hole 313; the adjusting knob 33 is slidably inserted into one end of the rotating shaft 35, the other end of the rotating shaft 35 is used for driving the two binding bands 10 to approach and separate from each other, and the limiting piece 51 is connected to one end of the rotating shaft 35, which is close to the adjusting knob 33.
In this embodiment, the mounting holes 313 provided on the mounting carrier 31 may give mounting positions to facilitate slidable and rotatable mounting of the adjustment knob 33. Further, since the structure of the mounting hole 313 is relatively simple, the convenience of processing and molding the mounting carrier 31 can also be improved. The arrangement of the rotation shaft 35 allows the band 10 and the adjustment knob 33 to be disposed at opposite ends of the mounting hole 313, respectively, so as to improve the compactness of the distribution of the adjustment knob 33 and the band 10 on the mounting carrier 31. Meanwhile, the volume of the rotating shaft 35 is smaller than that of the adjusting knob 33, so that the adjusting knob 33 is indirectly mounted on the mounting carrier 31 through the rotating shaft 35 with a relatively smaller volume, and the convenience of mounting the adjusting knob 33 on the mounting carrier 31 is improved.
Referring to fig. 9 to 11 in combination, in an embodiment of the present application, a sliding cavity 351 is disposed in the rotating shaft 35, the sliding cavity 351 extends along the sliding direction of the adjusting knob 33, and a communication hole 352 is disposed at one end of the rotating shaft 35 near the adjusting knob 33; the adjusting knob 33 is provided with a connecting column 333, the connecting column 333 is slidably inserted into the communication hole 352, one end of the connecting column 333 away from the adjusting knob 33 is provided with a blocking piece 335, and the blocking piece 335 is positioned in the sliding cavity 351 and can be abutted against the cavity wall of the sliding cavity 351 provided with the communication hole 352.
In this embodiment, the blocking member 335 may have a limiting effect on the sliding stroke of the adjusting knob 33, so as to reduce the possibility that the adjusting knob 33 slides out of the rotating shaft 35 due to the excessive sliding stroke, thereby facilitating the improvement of the stability of the installation of the adjusting knob 33 on the rotating shaft 35. Wherein the blocking member 335 may be coupled to the coupling post 333 of the adjusting knob 33 by a fastening screw 337 to simplify coupling thereto. In addition, the blocking member 335 may have an annular sheet structure to increase the contact area with the wall of the sliding cavity 351 having the communication hole 352, thereby facilitating the improvement of the sliding limiting effect of the blocking member 335 on the adjusting knob 33. In addition, in order to improve the installation compactness, the rotation shaft 35 may be further provided with a receiving groove 353 at one end near the adjustment knob 33, and the communication hole 352 communicates the sliding chamber 351 and the receiving groove 353. At this time, the stopper 51 may be disposed in the receiving groove 353 and may be disposed around the connection post 333 as the counterpart 53.
Referring to fig. 9 to 11 in combination, in one embodiment of the present application, the mounting hole 313 has a first aperture 314 and a second aperture 315 disposed in opposition, the first aperture 314 being disposed adjacent to the adjustment knob 33, the second aperture 315 being disposed adjacent to the strap 10; the rotation shaft 35 is provided with a first stopper 354 and a second stopper 355, the first stopper 354 is abutted against a wall surface of the mounting carrier 31 provided with the first orifice 314, and the second stopper 355 is abutted against a wall surface of the mounting carrier 31 provided with the second orifice 315.
In the present embodiment, the mounting of the rotation shaft 35 on the mounting carrier 31 can be clamped and limited by providing the first stopper 354 and the second stopper 355, so that the rotation shaft 35 can be stably mounted on the mounting carrier 31. The first stop member 354 may be an annular structure, an unsealed annular structure, a block structure, or a column structure, and the second stop member 355 may be an annular structure, an unsealed annular structure, a block structure, or a column structure, and the specific structural forms and shapes of the first stop member 354 and the second stop member 355 are not limited in the present application.
In one embodiment of the present application, the first stopper 354 and the rotation shaft 35 are provided in a unitary structure.
In the present embodiment, the first stopper 354 and the rotation shaft 35 are provided as an integral structure, and the connection strength between the two can be enhanced, so that the first stopper 354 performs stable abutment limitation. Meanwhile, the two parts can be integrally formed, so that the subsequent connection assembly of the two parts is omitted.
Referring to fig. 9 and 10 in combination, in an embodiment of the present application, a mounting groove 356 is formed on a side circumferential surface of the rotating shaft 35, and a portion of the second stopper 355 is embedded in the mounting groove 356.
In the present embodiment, the second stopper 355 and the rotating shaft 35 are arranged to be mounted in a clamping manner, so that the rotating shaft 35 can be mounted in the mounting hole 313 through one end far away from the first stopper 354, and then the second stopper 355 is mounted on the rotating shaft 35 in a clamping manner, thereby being beneficial to improving the convenience of assembling the strap adjusting mechanism 100. Meanwhile, the clamping installation is simpler, so that the installation of the second stop piece 355 can be simplified, and the convenience in assembling the strap adjusting mechanism 100 is further improved. Wherein, the mounting groove 356 may be circumferentially disposed along the rotation shaft 35 to improve convenience of arrangement thereof and facilitate arbitrary snap-fit mounting of the second stopper 355 in the circumferential direction of the rotation shaft 35. The second stop member 355 may be a snap spring, so that the two ends of the second stop member may be directly sleeved with the snap spring for installation, and then the second stop member may be stably sleeved on the rotating shaft 35 under the action of elastic force, thereby being beneficial to improving the stability of installation. Meanwhile, the snap spring is usually a standard piece, so that the second stop 355 is conveniently obtained in the market.
Referring to fig. 2 in combination with fig. 8 to 10, in an embodiment of the present application, a gear 357 is connected to an end of the rotation shaft 35 away from the adjusting knob 33, the binding bands 10 are provided with a plurality of engaging teeth 11, the plurality of engaging teeth 11 in each binding band 10 are sequentially arranged along the sliding direction of the binding band 10, and the engaging teeth 11 in the two binding bands 10 are engaged on opposite sides of the gear 357.
In this embodiment, the gear 357 is disposed on the rotation shaft 35, and the engaging teeth 11 are disposed on the binding band 10, so that the two can perform stable engagement transmission, thereby being beneficial to improving the stability of the driving of the binding band 10. Further, in order to improve the convenience of connection of the gear 357 and the connection shaft, the sliding cavity 351 on the rotation shaft 35 may penetrate through the rotation shaft 35 at an end far from the adjustment knob 33, and the sliding cavity 351 may have a cross section of a non-circular structure such as square, triangle, or oval. The gear 357 may be provided with a plug-in shaft protruding in the axial direction thereof, and the plug-in shaft may be inserted into the sliding cavity 351 in a fitting manner. So that the rotation shaft 35 and the gear 357 are in plug connection, the connection of the rotation shaft 35 and the gear 357 can be simplified, and convenience in assembling the binding band adjusting mechanism 100 is further improved. The cross section of the sliding cavity 351 is non-circular, and the shape of the insertion column 358 is the same as that of the sliding cavity 351, so that the two can be prevented from relative rotation, and the effective driving of the rotating shaft 35 to the gear 357 can be realized.
Referring to fig. 1, 2 and 8, in an embodiment of the present application, the mounting carrier 31 is provided with a mounting cavity 316, and the mounting hole 313 is communicated with the mounting cavity 316; the adjusting knob 33 is connected to the rotation shaft 35 extending from the mounting hole 313 to the outside of the mounting cavity 316, and the gear 357 is connected to the rotation shaft 35 extending from the mounting hole 313 to the inside of the mounting cavity 316; the mounting carrier 31 is further provided with two through holes 317 communicated with the mounting cavity 316, and one end of each binding belt 10 provided with the engagement teeth 11 is arranged in the mounting cavity 316, and the other end extends out of the mounting cavity 316 from the through holes 317.
In this embodiment, by the arrangement of the mounting cavity 316, the part of the structures such as the end of the binding band 10 provided with the engaged teeth, the end of the rotating shaft 35 provided with the gear 357, and the gear 357 can be arranged in the mounting cavity 316, so that the isolation protection effect on the part of the structures is improved. In addition, the attractive appearance of the head-mounted display device can be improved, so that the competitiveness of subsequent products in the market can be improved.
In one embodiment of the present application, the strap adjustment mechanism 100 may be used as follows: when the head-mounted display device is required to be worn, the adjusting knob 33 can be driven to slide along a direction away from the mounting carrier 31 and then rotate, so that the limit rib 511 on the limit piece 51 can be converted from the initial state of being positioned in the second limit groove 533 to be inserted into the first limit groove 531 on the mating piece 53. At this time, the adjusting knob 33 is located at the first position, and the abutting rib 331 on the adjusting knob 33 is separated from the stop rib 311 on the mounting carrier 31, so that the stop rib 311 releases the locking of the rotating movement of the adjusting knob 33, and the adjusting knob 33 can be further driven to rotate along the first direction, so as to drive the two binding bands 10 to be close to each other for shrinkage. When the binding band 10 is adjusted to fit the user, the adjusting knob 33 can be driven to slide in a direction away from the mounting carrier 31 again, and then rotated, so that the limiting rib 511 on the limiting piece 51 is reset to an initial state and is inserted into the second limiting groove 533 on the matching piece 53. At this time, the adjusting knob 33 is located at the second position, the abutting rib 331 on the adjusting knob 33 may abut against the stop rib 311 on the mounting carrier 31, so that the stop rib 311 locks the rotation movement of the adjusting knob 33, and further, the two straps 10 are limited and locked, so that the straps 10 are stably located in the state after shrinkage adjustment, and the user can wear the head-mounted display device stably. When the head-mounted display device needs to be removed, the adjusting knob 33 can be driven to slide along the direction far away from the mounting carrier 31 again, and then the adjusting knob is rotated, so that the limiting rib 511 on the limiting piece 51 can be inserted into the first limiting groove 531 on the matching piece 53 again. At this time, the adjusting knob 33 is located at the first position, and the locking of the rotation movement of the adjusting knob 33 is released again, so that the adjusting knob 33 can be driven to rotate in the second direction opposite to the first direction, so as to drive the two straps 10 to stretch away from each other.
The application also provides a head-mounted display device, which comprises a binding band adjusting mechanism 100, wherein the specific structure of the binding band adjusting mechanism 100 refers to the embodiment, and as the head-mounted display device adopts all the technical schemes of all the embodiments, the head-mounted display device at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted. The head-mounted display device may be a virtual reality device, or may be an augmented reality device.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the application, and all equivalent structural changes made by the description of the present application and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the application.
Claims (9)
1. A strap adjustment mechanism for use with a head mounted display device, comprising:
two straps;
the adjusting assembly comprises a mounting carrier and an adjusting knob, and the adjusting knob is slidably arranged on the mounting carrier along the axial direction of the adjusting knob so that the adjusting knob has a first position and a second position; in the first position, the adjusting knob can rotate relative to the mounting carrier so as to drive the two binding bands to be close to and far away from each other, and in the second position, the rotating movement of the adjusting knob is locked; and
the limiting structure is used for limiting the adjusting knob to the first position and the second position;
the limiting structure comprises a limiting part and a matching part which are oppositely arranged, the limiting part is arranged on the mounting carrier, and the matching part is arranged on the adjusting knob;
one of the limiting piece and the matching piece is provided with a plurality of first limiting grooves, the first limiting grooves are sequentially formed along the circumferential direction of the adjusting knob, the other one of the limiting pieces and the matching piece is provided with limiting ribs, the limiting ribs are located outside the first limiting grooves in the first position, and the limiting ribs are inserted into one of the first limiting grooves in the second position.
2. The strap adjustment mechanism of claim 1 wherein the mounting carrier is provided with stop ribs and the adjustment knob is provided with abutment ribs;
in the first position, the abutting rib and the stop rib are arranged at intervals, and in the second position, the abutting rib and the stop rib are abutted to lock the rotation movement of the adjusting knob.
3. The strap adjustment mechanism according to claim 1, wherein the limiting member or the mating member provided with the first limiting groove is further provided with a plurality of second limiting grooves, the plurality of second limiting grooves are sequentially provided along the circumferential direction of the adjustment knob, and one first limiting groove is provided between every two adjacent second limiting grooves;
in the axial direction of the adjusting knob, the depth of the second limit groove is smaller than that of the first limit groove, in the first position, the limit rib is inserted into one of the second limit grooves, and the limit piece is rotatably arranged on the mounting carrier.
4. A strap adjustment mechanism according to claim 3 wherein said first and second limit slots are provided in said mating member when said limit rib is provided in said limit member;
the matching piece is provided with a guide wall surface, the guide wall surface is connected with two groove walls of the first limiting groove, which are close to the second limiting groove, and the guide wall surface is used for guiding the limiting rib separated from the first limiting groove to slide into the second limiting groove and/or guiding the limiting rib separated from the second limiting groove to slide into the first limiting groove.
5. The strap adjustment mechanism of claim 4 wherein the guide wall is configured to guide the spacing rib separated from the first spacing groove to slide into the second spacing groove, the second spacing groove having a guide groove wall connecting the groove walls of the first spacing groove, the guide groove wall being configured to guide the spacing rib separated from the second spacing groove to slide into the first spacing groove.
6. A strap adjustment mechanism according to claim 3 wherein the mounting carrier is provided with a mounting aperture, the adjustment assembly further comprising a rotatable shaft rotatably passing through the mounting aperture;
the adjusting knob is slidably inserted into one end of the rotating shaft, the other end of the rotating shaft is used for driving the two binding bands to be close to and far away from each other, and the limiting piece is connected to one end, close to the adjusting knob, of the rotating shaft.
7. The strap adjusting mechanism according to claim 6, wherein a sliding chamber is provided in the rotation shaft, the sliding chamber being provided to extend in a sliding direction of the adjusting knob, and a communication hole is further provided at an end of the rotation shaft near the adjusting knob; the adjusting knob is provided with a connecting column which is slidably inserted into the communication hole, one end of the connecting column, which is far away from the adjusting knob, is provided with a blocking piece, and the blocking piece is positioned in the sliding cavity and can be abutted against the cavity wall of the sliding cavity, which is provided with the communication hole;
and/or the mounting hole is provided with a first orifice and a second orifice which are oppositely arranged, wherein the first orifice is arranged close to the adjusting knob, and the second orifice is arranged close to the binding band; the rotating shaft is provided with a first stop piece and a second stop piece, the first stop piece is abutted against the wall surface of the mounting carrier, provided with the first hole, and the second stop piece is abutted against the wall surface of the mounting carrier, provided with the second hole;
and/or one end of the rotating shaft, which is far away from the adjusting knob, is connected with a gear, the binding bands are provided with a plurality of meshing teeth, a plurality of meshing teeth in each binding band are sequentially arranged along the sliding direction of the binding bands, and the meshing teeth in the two binding bands are meshed with two opposite sides of the gear.
8. The strap adjustment mechanism according to any one of claims 1 to 7 wherein the stop member and the engagement member are both magnetic;
or one of the limiting piece and the matching piece is a magnetic body, and the other is a metal piece which can be adsorbed by the magnetic body.
9. A head-mounted display device comprising the strap adjustment mechanism of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311172285.2A CN116909034B (en) | 2023-09-12 | 2023-09-12 | Bandage adjustment mechanism and head-mounted display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311172285.2A CN116909034B (en) | 2023-09-12 | 2023-09-12 | Bandage adjustment mechanism and head-mounted display device |
Publications (2)
| Publication Number | Publication Date |
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| CN116909034A CN116909034A (en) | 2023-10-20 |
| CN116909034B true CN116909034B (en) | 2023-12-01 |
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| CN202311172285.2A Active CN116909034B (en) | 2023-09-12 | 2023-09-12 | Bandage adjustment mechanism and head-mounted display device |
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Also Published As
| Publication number | Publication date |
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| CN116909034A (en) | 2023-10-20 |
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