Adjusting structure of head-mounted product and head-mounted product

Abstract

The embodiment of the invention discloses an adjusting structure of a head-mounted product and the head-mounted product, the adjusting structure comprises a base, a first sliding part, a second sliding part, an adjusting screw rod, a conveyor belt and an adjusting part, the first sliding part and the second sliding part are slidably connected to the base; the two ends of the adjusting screw rod are connected to the first sliding part and the second sliding part respectively, at least one first positioning groove is formed in the periphery of the adjusting screw rod, and one conveying belt is arranged in each first positioning groove in a sleeved mode; the adjusting part comprises a shifting wheel and a transmission shaft, one end of the transmission shaft is sleeved with the shifting wheel, and the other end of the transmission shaft penetrates into the conveying belt; when the poking wheel is poked, the transmission shaft can drive the adjusting screw rod to rotate through the conveying belt and drive the first sliding part and the second sliding part to do relative motion, and therefore the distance between the two display parts of the head-mounted product can be conveniently adjusted.

Description

Technical Field

[0001] This invention relates to the field of headwear technology, and more specifically, to an adjustment structure for a headwear product and a headwear product. Background Technology

[0002] In today's era of rapid technological advancement, head-mounted devices such as virtual reality (VR) headsets and augmented reality (AR) glasses have been widely used in numerous fields, including entertainment, education, healthcare, and industrial design, providing users with immersive experiences and convenient operation. Head-mounted devices typically include two lenses to achieve stereoscopic visual effects or a wider field of view. However, since different users have different head sizes, interpupillary distances, etc., head-mounted products need to have flexible adjustment functions to ensure that different users can obtain a comfortable and clear visual experience. Summary of the Invention

[0003] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a novel adjustment structure and headwear product.

[0004] According to one aspect of the present invention, an adjustment structure for a head-mounted product is provided, the head-mounted product including a first display unit and a second display unit. The adjustment structure includes: Base; A first sliding part and a second sliding part are slidably connected to the base, and the first sliding part and the second sliding part are respectively used to mount the second display part and the first display part; An adjusting screw and a conveyor belt are provided. The two ends of the adjusting screw are respectively connected to the first sliding part and the second sliding part. The outer periphery of the adjusting screw has at least one first positioning groove, and a conveyor belt is sleeved in each first positioning groove. An adjustment unit, comprising a dial wheel and a drive shaft, wherein the dial wheel is sleeved on one end of the drive shaft and the other end of the drive shaft extends into the conveyor belt; When the dial is turned, the drive shaft can drive the adjusting screw to rotate via the conveyor belt, and cause the first sliding part and the second sliding part to move relative to each other.

[0005] Optionally, the first sliding part has a first internal threaded hole, the second sliding part has a second internal threaded hole, and the two ends of the adjusting screw have a first external thread and a second external thread, respectively. The first external thread is threadedly connected to the first internal threaded hole, and the second external thread is threadedly connected to the second internal threaded hole. Wherein, the thread direction of the first internal thread hole is opposite to that of the second internal thread hole, and the thread direction of the first external thread is the same as that of the second external thread; or, the thread direction of the first internal thread hole is the same as that of the second internal thread hole, and the thread direction of the first external thread is opposite to that of the second external thread.

[0006] Optionally, the first sliding part includes a first sliding plate and a first fixing member, the first sliding plate is slidably connected to the base, the first fixing member is disposed on the first sliding plate, and the first fixing member has the first internal thread hole; And / or, the second sliding part includes a second sliding plate and a second fixing member, the second sliding plate being slidably connected to the base, the second fixing member being disposed on the second sliding plate, and the second fixing member having the second internal threaded hole.

[0007] Optionally, the outer periphery of the adjusting screw has a plurality of first positioning grooves, which are arranged around the outer periphery of the adjusting screw.

[0008] Optionally, a plurality of the first positioning slots are arranged at equal intervals along the axial direction of the adjusting screw.

[0009] Optionally, the widths of the plurality of first positioning slots are equal; And / or, the depths of the multiple first positioning slots are equal.

[0010] Alternatively, the multiple conveyor belts may be identical.

[0011] Optionally, the adjustment part further includes a first cover plate having a first through hole and a second through hole, wherein one end of the conveyor belt away from the adjustment screw can pass through the first through hole and extend out, and the dial can pass through the second through hole and extend out.

[0012] Optionally, the first cover plate has a plurality of protrusions on the side near the adjusting screw, the protrusions protruding from the surface of the first cover plate in a direction toward the adjusting screw, and the first through hole and / or the second through hole is located between two of the protrusions.

[0013] Optionally, the base has a second positioning groove, and a plurality of first positioning grooves are positioned opposite to the second positioning groove, so that a plurality of conveyor belts can be embedded in the second positioning groove.

[0014] According to another aspect of the present invention, a head-mounted product is provided, including a first display portion and a second display portion, wherein the distance between the first display portion and the second display portion can be adjusted by an adjustment structure of the head-mounted product.

[0015] One technical advantage of the embodiments disclosed herein is that: The adjustment structure of the head-mounted product provided by this invention utilizes the relative movement of the first sliding part and the second sliding part to allow the first display unit mounted on the first sliding part and the second display unit mounted on the second sliding part to move closer to or further apart from each other, thereby enabling convenient adjustment of the distance between the two display units of the head-mounted product. Users can adjust the relative position between the two display units to the most comfortable state by turning a dial according to their actual needs, thus obtaining the best visual experience.

[0016] Other features and advantages of the invention will become clear from the following detailed description of exemplary embodiments of the invention with reference to the accompanying drawings. Attached Figure Description

[0017] The accompanying drawings, which form part of this specification, illustrate embodiments of the invention and, together with the specification, serve to explain the principles of the invention.

[0018] Figure 1 This is an exploded view of an adjustment structure of a head-mounted product according to an embodiment of this disclosure; Figure 2 This is a schematic diagram of a first sliding part mounting location according to an embodiment of this disclosure; Figure 3 yes Figure 2 A partial schematic diagram of point A in the middle; Figure 4 This is a schematic diagram of a second sliding part mounting location according to an embodiment of this disclosure; Figure 5 yes Figure 4 A partial schematic diagram at point B in the middle; Figure 6 This is a schematic diagram of an adjustment structure for a head-mounted product according to an embodiment of the present disclosure; Figure 7 This is another schematic diagram of the adjustment structure of a head-mounted product according to an embodiment of the present disclosure; Figure 8 yes Figure 7 A partial schematic diagram at point C in the middle; Figure 9 yes Figure 8 A partial schematic diagram at point D in the middle; Figure 10 This is a schematic diagram of a first shell mounting location according to an embodiment of this disclosure; Figure 11 yes Figure 10 A partial schematic diagram at point E in the middle; Figure 12 This is a schematic diagram of a first cover plate according to an embodiment of the present disclosure; Figure 13This is another schematic diagram of a first cover plate according to an embodiment of the present disclosure; Figure 14 This is a schematic diagram of a housing connection according to an embodiment of the present disclosure; Figure 15 This is a schematic diagram of a first shell according to an embodiment of the present disclosure; Figure 16 This is another schematic diagram of the adjustment structure of a head-mounted product according to an embodiment of the present disclosure; Figure 17 This is yet another schematic diagram of the adjustment structure of a head-mounted product according to an embodiment of the present disclosure; Figure 18 This is a schematic diagram of an adjustment section according to an embodiment of the present disclosure.

[0019] Explanation of reference numerals in the attached figures: 01. First display unit; 02. Second display unit; 1. Base; 11. Second positioning groove; 2. First sliding part; 21. First sliding plate; 22. First fixing member; 23. First sliding rod; 3. Second sliding part; 31. Second sliding plate; 32. Second fixing member; 33. Second sliding rod; 4. Adjusting screw; 41. First positioning groove; 5. Conveyor belt; 6. Adjusting part; 61. Dial wheel; 62. Drive shaft; 63. First cover plate; 631. First through hole; 632. Second through hole; 633. Protrusion; 64. Protruding ring; 7. Second cover plate; 8. Housing; 81. First housing; 82. Second housing. Detailed Implementation

[0020] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention.

[0021] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0022] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.

[0023] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0024] It should be noted that similar labels and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be discussed further in subsequent figures.

[0025] This invention provides an adjustment structure for a head-mounted product, which includes a first display unit 01 and a second display unit 02. The first display unit 01 and the second display unit 02 can be corresponding optical elements. The adjustment structure provided by this invention allows for convenient adjustment of the distance between the first display unit 01 and the second display unit 02 to suit different user experiences.

[0026] like Figure 1 As shown, the adjustment structure of the head-mounted product provided in this embodiment of the invention includes: Base 1; The first sliding part 2 and the second sliding part 3 are slidably connected to the base 1, and the first sliding part 2 and the second sliding part 3 are respectively used to install the first display part 01 and the second display part 02; The adjusting screw 4 and the conveyor belt 5 are respectively connected to the first sliding part 2 and the second sliding part 3 at both ends. The outer periphery of the adjusting screw 4 has at least one first positioning groove 41, and a conveyor belt 5 is sleeved in each first positioning groove 41. Adjustment unit 6 includes a dial 61 and a drive shaft 62. The dial 61 is sleeved on one end of the drive shaft 62, and the other end of the drive shaft 62 passes through the conveyor belt 5. When the dial 61 is turned, the transmission shaft 62 can drive the adjusting screw 4 to rotate via the conveyor belt 5, and drive the first sliding part 2 and the second sliding part 3 to move relative to each other.

[0027] Specifically, the base 1, as the supporting frame of the entire adjustment structure, can be made of high-strength, lightweight materials, such as engineering plastics or carbon fiber composites, so as to reduce the overall weight of the adjustment structure while ensuring the overall structural strength of the adjustment structure.

[0028] The base 1 may be provided with two parallel slide rails, which are used to cooperate with the first sliding part 2 and the second sliding part 3 respectively to achieve a sliding connection. The surface of the slide rails may be finely processed to have a smooth surface texture, so as to reduce the friction between the first sliding part 2 and the second sliding part 3 during the sliding process, thereby ensuring that the first sliding part 2 and the second sliding part 3 can slide smoothly.

[0029] In one embodiment, the first sliding part 2 and the second sliding part 3 can be configured to have similar structures, both employing a slider structure adapted to the slide rail of the base 1. The first sliding part 2 is used to mount the first display part 01, and the second sliding part 3 is used to mount the second display part 02, enabling the first sliding part 2 and the second sliding part 3 to move the corresponding display parts together. The first display part 01 and the second display part 02 can be optical elements to realize the corresponding functions of the head-mounted product.

[0030] In one embodiment, the bottom of the first sliding part 2 and the second sliding part 3 may each be provided with a groove that mates with the slide rail on the base 1. The shape and size of the groove match the slide rail to ensure that the corresponding sliding part slides stably on the slide rail. Furthermore, a wear-resistant pad or coating, such as a polytetrafluoroethylene coating, may be provided on the contact surface between the corresponding sliding part and the slide rail to further improve the smoothness and wear resistance of the sliding part.

[0031] like Figure 1 , Figure 6 and Figure 7 As shown, the adjusting screw 4 can be made of metal, such as stainless steel or aluminum alloy, to ensure sufficient strength and rigidity. The two ends of the adjusting screw 4 are connected to the first sliding part 2 and the second sliding part 3, respectively. Specifically, the first sliding part 2 and the second sliding part 3 are each provided with threaded holes adapted to the adjusting screw 4. The adjusting screw 4 forms a threaded connection with the first sliding part 2 and the second sliding part 3, thereby enabling power transmission.

[0032] like Figures 6 to 9 As shown, one, two, three, or even more first positioning grooves 41 are formed on the outer periphery of the adjusting screw 4. Each first positioning groove 41 is arranged around the outer periphery of the adjusting screw 4 to facilitate the installation of the transmission belt. A transmission belt 5 is installed within each first positioning groove 41, meaning the number of transmission belts matches the number of first positioning grooves 41. The transmission belt 5 can be made of high-strength, wear-resistant rubber or synthetic fiber materials, giving it a certain degree of elasticity and allowing it to fit tightly within the first positioning groove 41, ensuring that slippage does not occur during transmission.

[0033] The multiple first positioning slots 41 provide more stable fixing and transmission support for the conveyor belt 5. During adjustment, each conveyor belt 5 is tightly fitted into its corresponding first positioning slot 41, preventing slippage or displacement and ensuring stable transmission of force. Even during frequent or large-amplitude adjustments, the adjustment accuracy is maintained, ensuring that the relative movement of the first sliding part 2 and the second sliding part 3 always follows a preset trajectory and precision, thereby guaranteeing the accuracy and reliability of the spacing adjustment between the two display units.

[0034] In one embodiment, the first positioning groove 41 can be set as an annular groove arranged around the outer periphery of the adjusting screw 4 to facilitate the mounting of the conveyor belt 5.

[0035] like Figures 16 to 18 As shown, the adjustment part 6 may include a dial 61 and a drive shaft 62. The dial 61 may be made of plastic or metal and has an anti-slip texture on its outer periphery, such as striped or raised texture, to facilitate turning. The dial 61 is sleeved on one end of the drive shaft 62 and fixed together by interference fit or key connection to ensure that the drive shaft 62 can rotate synchronously when the dial 61 is turned.

[0036] The drive shaft 62 can be made of metal, possessing a certain strength and rigidity. A dial 61 is fitted onto one end of the drive shaft 62, and the other end passes through the conveyor belt 5, forming a power transmission path of dial 61-drive shaft 62-conveyor belt 5. When the dial 61 is turned, causing the drive shaft 62 to rotate, the drive shaft 62 can drive the conveyor belt 5 to move through friction with it, thereby causing the adjusting screw 4 to rotate.

[0037] like Figure 18 As shown, the adjustment part 6 may also include a plurality of protruding rings 64, which are spaced on the drive shaft 62, and a gap is formed between two adjacent protruding rings 64. The conveyor belt 5 can be fitted in this gap to achieve stable assembly of the conveyor belt 5.

[0038] Therefore, when it is necessary to adjust the relative position between the two displays in the head-mounted product, simply turn the dial 61 by hand. The rotation of the dial 61 will drive the drive shaft 62 to rotate synchronously, and the drive shaft 62 will cause the conveyor belt 5 to start moving through the friction between it and the conveyor belt 5. Since the conveyor belt 5 is fitted into the first positioning groove 41 of the adjusting screw 4, the movement of the conveyor belt 5 will drive the adjusting screw 4 to rotate around its own axis.

[0039] During rotation, the adjusting screw 4, with its two ends threadedly connected to the first sliding part 2 and the second sliding part 3 respectively, causes relative movement between them. Specifically, if the adjusting screw 4 rotates in a first direction, the first sliding part 2 and the second sliding part 3 move closer together; if it rotates in a second direction, they move further apart. The first direction is either clockwise or counterclockwise, and the second direction is either clockwise or counterclockwise.

[0040] In this way, the relative movement of the first sliding part 2 and the second sliding part 3 allows the first display part 01 mounted on the first sliding part 2 and the second display part 02 mounted on the second sliding part 3 to move closer to or further apart, thereby enabling convenient adjustment of the distance between the two displays of the head-mounted product. Users can adjust the relative position between the two displays to the most comfortable state by turning the dial 61 according to their actual needs, thus obtaining the best visual experience.

[0041] Furthermore, due to the threaded connection between the adjusting screw 4 and the first sliding part 2 and the second sliding part 3, as well as the smooth transmission of the conveyor belt 5, the relative movement of the first sliding part 2 and the second sliding part 3 is very smooth when the dial 61 is turned for adjustment, without any obvious jamming or resistance. The distance between the two display parts can be continuously and smoothly adjusted according to the user's actual needs, achieving stepless adjustment.

[0042] Optionally, the first sliding part 2 has a first internal threaded hole, the second sliding part 3 has a second internal threaded hole, and the two ends of the adjusting screw 4 have a first external thread and a second external thread, respectively. The first external thread is threadedly connected to the first internal threaded hole, and the second external thread is threadedly connected to the second internal threaded hole. Wherein, the thread direction of the first internal thread hole is opposite to that of the second internal thread hole, and the thread direction of the first external thread is the same as that of the second external thread; or, the thread direction of the first internal thread hole is the same as that of the second internal thread hole, and the thread direction of the first external thread is opposite to that of the second external thread.

[0043] Specifically, the adjusting screw 4 can be configured to have a precise thread structure. When the dial 61 of the adjusting part 6 drives the transmission shaft 62 and then drives the conveyor belt 5 to rotate the adjusting screw 4, the precise thread fit at both ends of the adjusting screw 4 can ensure that the first sliding part 2 and the second sliding part 3 move relative to each other in a precise proportion.

[0044] Compared to simple gear transmissions or direct sliding adjustments, this transmission method provides more subtle and accurate displacement control. It allows the distance between the first display unit 01 and the second display unit 02 to be adjusted to a suitable position according to the user's actual needs, with a small error range. This avoids problems such as visual blurring and ghosting caused by mismatch in the distance between the two display units, enabling the head-mounted device to present users with clear, sharp, and distortion-free images and improving the quality of the visual experience.

[0045] In one embodiment, the internal threads on the first sliding part 2 and the second sliding part 3 may be configured to rotate in opposite directions, while the external threads at both ends of the adjusting screw 4 may rotate in the same direction. Thus, when the dial 61 is turned for adjustment, the first sliding part 2 and the second sliding part 3 can move closer to or further away from each other.

[0046] In one embodiment, the internal threads on the first sliding part 2 and the second sliding part 3 may be configured to rotate in the same direction, while the external threads at both ends of the adjusting screw 4 may rotate in opposite directions. Thus, when the dial 61 is turned for adjustment, the first sliding part 2 and the second sliding part 3 can move closer to or further away from each other.

[0047] Optionally, the first sliding part 2 includes a first sliding plate 21 and a first fixing member 22. The first sliding plate 21 is slidably connected to the base 1, the first fixing member 22 is disposed on the first sliding plate 21, and the first fixing member 22 has a first internal thread hole. And / or, the second sliding part 3 includes a second sliding plate 31 and a second fixing member 32. The second sliding plate 31 is slidably connected to the base 1, the second fixing member 32 is disposed on the second sliding plate 31, and the second fixing member 32 has a second internal thread hole.

[0048] like Figures 1 to 7 As shown, a first slide bar 23 can be fixed on the base 1, and a first slide plate 21 can be slidably connected to the first slide bar 23, so that the first slide plate 21 can drive the first fixing member 22 and the first display part 01 to move together along the first slide bar 23. The first fixing member 22 is used to install the first display part 01, and the first fixing member 22 has a first internal thread hole, which can form a threaded connection with the first external thread of the adjusting screw 4.

[0049] Two first slide rods 23 can be provided, which are arranged at both ends of the first slide plate 21 along the sliding direction perpendicular to the first slide plate 21, thereby enhancing the control and guidance of the sliding of the first slide plate 21.

[0050] Similarly, a second slide bar 33 can be fixed on the base 1, and a second slide plate 31 can be slidably connected to the second slide bar 33, so that the second slide plate 31 can drive the second fixing member 32 and the second display unit 02 to move together along the second slide bar 33. The second fixing member 32 is used to install the second display unit 02, and the second fixing member 32 has a second internal thread hole, which can form a threaded connection with the second external thread of the adjusting screw 4.

[0051] Two second slide rods 33 can be provided, which are arranged at both ends of the second slide plate 31 along the sliding direction perpendicular to the second slide plate 31, thereby enhancing the control and guidance of the sliding of the second slide plate 31.

[0052] This allows the adjusting screw 4 to precisely and stably drive the first sliding plate 21 and the second sliding plate 31 to move relative to each other through the threaded engagement with the first and second internal threaded holes. The threaded connection provides a reliable mechanical connection, preventing loosening or shaking during sliding, ensuring the accuracy and stability of the adjustment, and thus guaranteeing the precision and reliability of the distance adjustment between the two display units of the head-mounted product.

[0053] Optionally, the outer periphery of the adjusting screw 4 has a plurality of first positioning grooves 41, which are arranged around the outer periphery of the adjusting screw 4.

[0054] like Figure 8 and Figure 9 As shown, two, three, or even more first positioning grooves 41 can be formed on the outer periphery of the adjusting screw 4. Each first positioning groove 41 is arranged around the outer periphery of the adjusting screw 4 to facilitate the installation of the transmission belt. A transmission belt 5 is installed within each first positioning groove 41, meaning the number of transmission belts is the same as the number of first positioning grooves 41.

[0055] The multiple first positioning slots 41 provide more stable fixing and transmission support for the conveyor belt 5. During adjustment, each conveyor belt 5 is tightly fitted into its corresponding first positioning slot 41, preventing slippage or displacement and ensuring stable transmission of force. Even during frequent or large-amplitude adjustments, the adjustment accuracy is maintained, ensuring that the relative movement of the first sliding part 2 and the second sliding part 3 always follows a preset trajectory and precision, thereby guaranteeing the accuracy and reliability of the spacing adjustment between the two display units.

[0056] Furthermore, the surrounding arrangement of multiple first positioning grooves 41 allows the force borne by the adjusting screw 4 during transmission to be distributed more evenly around its outer periphery. This uniform force distribution helps reduce deformation or damage to the adjusting screw 4 caused by excessive local stress, thus extending its service life. Simultaneously, it reduces the risk of failure in the entire adjusting structure due to deformation of the adjusting screw 4, improving the stability and durability of the entire adjusting structure.

[0057] In one embodiment, the first positioning groove 41 can be set as an annular groove arranged around the outer periphery of the adjusting screw 4 to facilitate the mounting and movement of the conveyor belt 5.

[0058] Optionally, multiple first positioning slots 41 are arranged at equal intervals along the axial direction of the adjusting screw 4.

[0059] Specifically, the multiple equally spaced first positioning grooves 41 ensure that the contact points between the conveyor belt 5 and the adjusting screw 4 are evenly distributed axially. During transmission, the force exerted by the multiple conveyor belts 5 on the adjusting screw 4 is evenly distributed to each of the first positioning grooves 41, avoiding local stress concentration caused by uneven force distribution. This uniform force distribution helps the adjusting screw 4 rotate smoothly and steadily, reducing jamming and vibration during rotation, thereby improving the stability and reliability of the entire adjusting structure.

[0060] Furthermore, because the multiple first positioning slots 41 are arranged at equal intervals, during the adjustment process, the distance that each conveyor belt 5 moves is uniform and predictable every time the adjusting screw 4 rotates by a certain angle. Thus, regardless of the degree of adjustment operation performed, the relative movement distance between the two display units remains highly consistent, achieving uniformity in adjustment accuracy.

[0061] Optionally, the widths of the plurality of first positioning slots 41 are equal; And / or, the groove depths of the multiple first positioning grooves 41 are equal.

[0062] Specifically, by setting multiple first positioning grooves 41 with equal groove widths, a uniform engagement space can be provided for multiple conveyor belts 5. During transmission, the conveyor belts 5 can be more accurately and stably embedded in the corresponding first positioning grooves 41, ensuring a good meshing relationship with the adjusting screws 4. This uniform adaptability reduces the problem of uneven gaps between the multiple conveyor belts 5 and the adjusting screws 4 caused by differences in the size of the first positioning grooves, thus avoiding slippage and slippage that may occur during transmission, thereby improving the stability and reliability of the entire adjustment structure.

[0063] Furthermore, since the width of the multiple first positioning slots 41 is consistent, the constraint force on the conveyor belt 5 at the corresponding first positioning slot 41 is basically the same during the adjustment process. This allows the adjusting screw 4 to drive the first sliding part 2 and the second sliding part 3 to move relative to each other more evenly when rotating, ensuring the consistency of the distance adjustment between the two display parts.

[0064] Similarly, by setting multiple first positioning grooves 41 with equal depths, it can be ensured that the embedding depth of the conveyor belt 5 remains consistent when it is embedded in the corresponding first positioning groove 41. During transmission, this consistent embedding depth makes the friction and constraint forces between the multiple conveyor belts 5 and the adjusting screw 4 more uniform, thus avoiding local stress concentration caused by different embedding depths. This reduces vibration and noise during transmission, improves the stability and reliability of the entire adjusting structure, and ensures smooth and stable relative movement of the first sliding part 2 and the second sliding part 3.

[0065] Furthermore, since the depth of the multiple first positioning grooves 41 is the same, the friction and constraint forces experienced by the multiple conveyor belts 5 at their corresponding first positioning grooves 41 are essentially the same. This allows the adjusting screw 4 to more precisely control the movement distance of the first sliding part 2 and the second sliding part 3 when rotating.

[0066] Alternatively, multiple conveyor belts 5 may be identical.

[0067] Specifically, multiple conveyor belts 5 are set to be completely identical, that is, multiple conveyor belts 5 have consistent physical characteristics, such as length, width, elastic modulus, etc. During the transmission process, multiple conveyor belts 5 can transmit power at the same speed and in the same manner, ensuring that the first sliding part 2 and the second sliding part 3 can move relative to each other simultaneously and synchronously, so as to avoid display deviations and image misalignment caused by asynchronous transmission, thereby providing users with a clear and accurate visual experience.

[0068] Furthermore, the multiple conveyor belts 5 are identical, ensuring that their performance under load and in response to external disturbances is essentially the same. During long-term use, this consistency helps reduce system vibration and instability caused by differences in the performance of individual conveyor belts 5. For example, when encountering external impacts or load changes, the identical conveyor belts 5 can share the force evenly, maintaining the stable operation of the entire regulating structure and helping to extend its service life.

[0069] Optionally, the adjustment part 6 further includes a first cover plate 63, which has a first through hole 631 and a second through hole 632. The end of the conveyor belt 5 away from the adjustment screw 4 can pass through the first through hole 631 and extend out, and the dial 61 can pass through the second through hole 632 and extend out.

[0070] like Figure 12 and Figure 13 As shown, the first cover plate 63 has a first through hole 631 and a second through hole 632. Both the first through hole 631 and the second through hole 632 are through holes. The first through hole 631 is used to pass through the end of the conveyor belt 5 away from the adjusting screw 4, that is, the end of the conveyor belt 5 that connects to the drive shaft 62. The second through hole 632 is used to pass through the dial wheel 61. The first through hole 631 and the second through hole 632 can be arranged side by side so that the conveyor belt 5 can connect to the drive shaft 62 on the side of the first cover plate 63 away from the adjusting screw 4, thereby forming a power transmission path of dial wheel 61-drive shaft 62-conveyor belt 5-adjusting screw 4.

[0071] like Figures 10 to 13 As shown, the setting wheel 61 extends through the second through hole 632, providing an intuitive and convenient operating interface. During adjustment, simply operating the wheel 61 extending from the second through hole 632 easily adjusts the relative position of the first sliding part 2 and the second sliding part 3, thereby adjusting the distance between the two display parts. This design simplifies the operation process and reduces the difficulty of operation.

[0072] In addition, the first cover plate 63 can provide effective physical protection for the internal structure of the adjustment part 6, preventing external dust, debris and other objects from entering the interior of the adjustment part 6, avoiding damage such as wear and jamming caused by these foreign objects to the adjustment part 6, thereby extending the service life of the entire adjustment part 6.

[0073] Optionally, the first cover plate 63 has a plurality of protrusions 633 on the side near the adjusting screw 4. The protrusions 633 protrude from the surface of the first cover plate 63 in the direction toward the adjusting screw 4, and the first through hole 631 and / or the second through hole 632 are located between two protrusions 633.

[0074] like Figures 10 to 13 As shown, at least one of the first through hole 631 and the second through hole 632 is disposed between the two protrusions 633, so that the protrusions 633 can, to a certain extent, reinforce and protect the structure around the through hole, and reduce the risk that the structure around the through hole is too weak and easily damaged, thereby improving the structural strength of the first cover plate 63. In addition, the sidewalls of the protrusions 633 can be used to fix and reinforce the conveyor belt 5 and the pulley 61 that pass through, which helps to improve the stability of the conveyor belt 5 and the pulley 61.

[0075] like Figures 10 to 13 As shown, the protrusion 633 can be arc-shaped to adapt to the shape of the conveyor belt 5 and the dial 61, thereby achieving good fixation and reinforcement.

[0076] like Figure 11As shown, it also includes a second cover plate 7, which covers the adjusting screw 4 and can protect the connection between the adjusting screw 4 and the conveyor belt 5.

[0077] like Figure 14 and Figure 15 As shown, it also includes a housing 8, which may include a first housing 81 and a second housing 82, which can form a closed receiving space. The first housing 81 may have a groove from which the dial 61 can extend for adjustment.

[0078] Optionally, the base 1 has a second positioning groove 11, and a plurality of first positioning grooves 41 are positioned opposite to the second positioning groove 11, so that a plurality of conveyor belts 5 can be embedded in the second positioning groove 11.

[0079] like Figures 7 to 9 As shown, the relative arrangement of multiple first positioning slots 41 and second positioning slots 11 provides a precise positioning reference for the conveyor belts 5 and adjusting screws 4. During assembly, after each conveyor belt 5 is fitted into one of the first positioning slots 41, the conveyor belts 5 are then embedded into the second positioning slots 11, ensuring that the conveyor belts 5 and the first positioning slots 41 are positioned within the second positioning slots 11. This guides and positions the assembly process. This simplified assembly process not only improves assembly efficiency and reduces assembly difficulty but also reduces quality problems caused by improper assembly, thereby increasing the product qualification rate.

[0080] like Figure 8 As shown, the base may also have a third positioning groove, which is connected to the second positioning groove 11. The third positioning groove is used for axially inserting the adjusting screw 4, on which the conveyor belt 5 is sleeved, while the second positioning groove 11 is used to limit the first positioning groove 41, thereby achieving reliable assembly. A mating section may be provided on the adjusting screw 4, which is used to be embedded in the third positioning groove for convenient assembly.

[0081] The present invention also provides a head-mounted product, including a first display unit 01 and a second display unit 02, wherein the distance between the first display unit 01 and the second display unit 02 can be adjusted by the adjustment structure of the head-mounted product to adapt to the user experience of different users.

[0082] The above embodiments mainly describe the differences between the various embodiments. As long as the different optimization features between the various embodiments are not contradictory, they can be combined to form a better embodiment. For the sake of brevity, they will not be elaborated here.

[0083] While specific embodiments of the invention have been described in detail by way of examples, those skilled in the art should understand that the examples are for illustrative purposes only and not intended to limit the scope of the invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. An adjustment structure for a head-mounted product, the head-mounted product comprising a first display unit (01) and a second display unit (02), characterized in that, The adjustment structure includes: Base (1); The first sliding part (2) and the second sliding part (3) are slidably connected to the base (1), and the first sliding part (2) and the second sliding part (3) are respectively used to install the first display part (01) and the second display part (02); Adjusting screw (4) and conveyor belt (5), the two ends of the adjusting screw (4) are respectively connected to the first sliding part (2) and the second sliding part (3), the outer periphery of the adjusting screw (4) has at least one first positioning groove (41), and each first positioning groove (41) is fitted with a conveyor belt (5); Adjustment part (6), the adjustment part (6) includes a dial (61) and a drive shaft (62), the dial (61) is sleeved on one end of the drive shaft (62), and the other end of the drive shaft (62) passes through the conveyor belt (5); When the dial (61) is turned, the drive shaft (62) can drive the adjusting screw (4) to rotate through the conveyor belt (5), and drive the first sliding part (2) and the second sliding part (3) to move relative to each other.

2. The adjustment structure of the head-mounted product according to claim 1, characterized in that, The first sliding part (2) has a first internal thread hole, the second sliding part (3) has a second internal thread hole, and the two ends of the adjusting screw (4) have a first external thread and a second external thread respectively. The first external thread is threaded to the first internal thread hole, and the second external thread is threaded to the second internal thread hole. Wherein, the thread direction of the first internal thread hole is opposite to that of the second internal thread hole, and the thread direction of the first external thread is the same as that of the second external thread; or, the thread direction of the first internal thread hole is the same as that of the second internal thread hole, and the thread direction of the first external thread is opposite to that of the second external thread.

3. The adjustment structure of the head-mounted product according to claim 2, characterized in that, The first sliding part (2) includes a first sliding plate (21) and a first fixing member (22). The first sliding plate (21) is slidably connected to the base (1). The first fixing member (22) is disposed on the first sliding plate (21) and has the first internal thread hole. And / or, the second sliding part (3) includes a second sliding plate (31) and a second fixing member (32), the second sliding plate (31) being slidably connected to the base (1), the second fixing member (32) being disposed on the second sliding plate (31), and the second fixing member (32) having the second internal thread hole.

4. The adjustment structure of the head-mounted product according to claim 1, characterized in that, The outer periphery of the adjusting screw (4) has a plurality of first positioning grooves (41), which are arranged around the outer periphery of the adjusting screw (4).

5. The adjustment structure of the head-mounted product according to claim 4, characterized in that, Multiple first positioning slots (41) are arranged at equal intervals along the axial direction of the adjusting screw (4).

6. The adjustment structure of the head-mounted product according to claim 4, characterized in that, The widths of the multiple first positioning slots (41) are equal; And / or, the groove depths of the plurality of the first positioning grooves (41) are equal.

7. The adjustment structure of the head-mounted product according to claim 6, characterized in that, The multiple conveyor belts (5) are identical.

8. The adjustment structure of the head-mounted product according to claim 1, characterized in that, The adjustment part (6) further includes a first cover plate (63), which has a first through hole (631) and a second through hole (632). One end of the conveyor belt (5) away from the adjustment screw (4) can pass through the first through hole (631) and extend out, and the dial (61) can pass through the second through hole (632) and extend out.

9. The adjustment structure of the head-mounted product according to claim 8, characterized in that, The first cover plate (63) has a plurality of protrusions (633) on the side near the adjusting screw (4), the protrusions (633) protruding from the surface of the first cover plate (63) in a direction toward the adjusting screw (4), and the first through hole (631) and / or the second through hole (632) are located between two of the protrusions (633).

10. The adjustment structure of the head-mounted product according to claim 1, characterized in that, The base (1) has a second positioning groove (11), and a plurality of first positioning grooves (41) are positioned opposite to the second positioning groove (11), so that a plurality of conveyor belts (5) can be embedded in the second positioning groove (11).

11. A head-mounted product, characterized in that, It includes a first display unit (01) and a second display unit (02), and the distance between the first display unit (01) and the second display unit (02) can be adjusted by the adjustment structure of the head-mounted product according to any one of claims 1 to 10.

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