Connecting mechanism and AR glasses

Abstract

The utility model relates to a connecting mechanism and AR glasses. The connecting mechanism comprises a spectacle frame connecting piece which comprises a spectacle frame connecting part and a spectacle frame rotating arm connected to the spectacle frame connecting part; the glasses leg connecting piece comprises a rotating shaft part connected with the glasses frame rotating arm, a glasses leg connecting part extending from the rotating shaft part to the direction far away from the glasses frame connecting part, and an adjusting part extending from the rotating shaft part to the direction close to the glasses frame connecting part; and the elastic piece is arranged between the glasses frame connecting part and the adjusting part. According to the connecting mechanism, the capacity of externally expanding the glasses legs is realized through the rotary connection of the glasses frame connecting piece and the glasses leg connecting piece, and the part with the external expanding function is moved between the glasses frame connecting part and the adjusting part, so that the occupation of the mounting space of the glasses legs is reduced, and the available mounting space of the glasses legs is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of AR glasses connection mechanisms, in particular to a connection mechanism and AR glasses. Background Art

[0002] With the development of AR (augmented display) technology, head-mounted AR devices, with AR glasses as the mainstream, have gradually been designed and developed. In order to meet the needs of different users, the existing AR glasses can adapt to the head circumference of different users by expanding the temples. According to the different ways of achieving the expansion of the temples, the existing temple expansion solutions can be divided into the following categories.

[0003] One solution is to use the elastic deformation of the temples themselves to achieve the outward expansion of the temples. This solution has great restrictions on the selection of temple materials. The elastic deformation of the material has certain limitations, and the adjustment capacity of the temple expansion is limited. Another solution is to set a gap at the connection between the temple and the rotating shaft structure of the frame. The gap allows the temple to rotate beyond the angle perpendicular to the temple and the frame. Usually, a bias spring is set at the connection between the temple and the rotating shaft structure to give the temple a clamping force, or a spring, disc spring-concave cam structure or other damping structure is set at the connection between the temple and the rotating shaft structure to increase the damping when the temple rotates or notifies the rotation. This solution can apply a clamping force to the temple while expanding the temple. It can not only adapt to the head circumference of a variety of users, but also enable the temple to clamp the user's head. However, since the rotating shaft structure of this solution occupies part of the installation space of the temple, it affects the placement of some electronic components on the temple. Utility Model Content

[0004] Based on this, it is necessary to provide a connecting mechanism and AR glasses to address the problem of occupying the installation space of the temples in the existing temple expansion solutions.

[0005] A connecting mechanism, comprising:

[0006] A spectacles frame connecting piece, the spectacles frame connecting piece comprising a spectacles frame connecting portion and a spectacles frame rotating arm connected to the spectacles frame connecting portion;

[0007] A temple connector, the temple connector comprising a shaft portion connected to the frame rotating arm, a temple connector portion extending from the shaft portion toward a direction away from the frame connector portion, and an adjustment portion extending from the shaft portion toward a direction close to the frame connector portion; and

[0008] An elastic member is arranged between the lens frame connecting portion and the adjusting portion.

[0009] The above-mentioned connecting mechanism realizes the ability of expanding the temple outward by rotating the frame connecting piece and the temple connecting piece. By moving the part with the outward expansion function between the frame connecting part and the adjustment part, the installation space occupied by the temple is reduced and the available installation space of the temple is increased.

[0010] In one embodiment, the adjustment portion is located in front of the frame connection portion, the elastic member is a compression spring, one end of the compression spring abuts against the adjustment portion, and the other end of the compression spring abuts against the frame connection portion.

[0011] In this way, when the temple connecting piece is driven by the temple to expand outward, the adjusting part is turned to the frame connecting part, and the adjusting part squeezes the compression spring, causing the compression spring to accumulate potential energy and generate elastic force, thereby generating an inward clamping force on the temple connecting part, so that the temple can clamp the user's head.

[0012] In one embodiment, the frame connecting member has a limiting surface, and the temple connecting member has a matching surface. The limiting surface abuts against the matching surface under the action of the elastic member to limit the minimum outward expansion angle of the frame connecting portion.

[0013] In this way, the limiting surface and the matching surface can limit the initial state of the connecting mechanism, so that the elastic member maintains a pre-compression state and prevents the elastic member from detaching from the adjusting portion. In addition, the limiting surface and the matching surface can also put the elastic member in an elastically deformed state, so that the elastic member can provide a pre-tightening force.

[0014] In one embodiment, the two spectacles frame rotating arms are respectively arranged on the upper and lower sides of the rotating shaft portion, and the upper and lower sides of the rotating shaft portion are respectively provided with rotating grooves, and the spectacles frame rotating arms are respectively rotatably arranged in the rotating grooves.

[0015] With such arrangement, the rotation groove can accommodate the spectacles frame rotation arm, reducing the overall height dimension after the rotation shaft portion and the spectacles frame rotation arm are connected, making the structure of the connection mechanism more compact.

[0016] In one embodiment, the frame connecting portion has a receiving groove, the notch of the receiving groove faces the adjusting portion, and the elastic member is disposed in the receiving groove.

[0017] With such a configuration, the accommodating groove can accommodate the elastic member, so that the frame connecting member can take into account the deformation space of the elastic member, making the structure of the connecting mechanism more compact; the accommodating groove can also provide protection for the elastic member to prevent other components from interfering with the elastic member.

[0018] In one embodiment, the frame rotating arm includes a first protrusion, which protrudes between the temple connecting portion and the frame rotating arm, and the limiting surface is located on the side of the first protrusion facing the temple connecting portion; the shaft portion includes a second protrusion, which is protruding in the rotating groove, and the mating surface is located on the side of the second protrusion facing the first protrusion.

[0019] In this way, when the first protrusion abuts against the second protrusion, the outward expansion angle of the frame connection portion is the smallest. The first protrusion and the second protrusion can limit the initial state of the connection mechanism, so that the elastic member maintains a pre-stressed state and prevents the elastic member from detaching from the adjustment portion.

[0020] In one embodiment, the temple connecting portion includes a connecting plate body and a pair of rotating plates connected to the upper and lower sides of the connecting plate body, a pair of rotating shafts are respectively connected to the rotating plate bodies, and the frame rotating arm is rotatably arranged between the rotating shafts.

[0021] With such arrangement, the spectacles frame rotating arm is embedded between the two rotating shaft parts, thereby reducing the overall height dimension after the rotating shaft part and the spectacles frame rotating arm are connected, and making the structure of the connecting mechanism more compact.

[0022] In one embodiment, the frame connecting portion includes a connecting body and a spring mounting seat extending from the connecting body to the upper side and the lower side respectively, and the elastic member is arranged between the spring mounting seat and the adjusting portion.

[0023] In this way, the elastic member is arranged on both sides of the connecting body, so that the frame connecting member can take into account the deformation space of the elastic member, making the structure of the connecting mechanism more compact.

[0024] In one embodiment, the frame rotating arm includes a third protrusion, the third protrusion protrudes between the connecting plate body and the frame rotating arm, the limiting surface is located on the side of the third protrusion facing the connecting plate body, and the mating surface is located on the side of the connecting plate body facing the third protrusion.

[0025] In this way, when the third protrusion abuts against the connecting plate, the outward expansion angle of the frame connecting portion is the smallest. The third protrusion and the connecting plate can limit the initial state of the connecting mechanism, so that the elastic member maintains a pre-stressed state and prevents the elastic member from detaching from the adjusting portion.

[0026] A pair of AR glasses, comprising:

[0027] A connecting mechanism as described in any one of the above;

[0028] A temple, wherein the temple is rotatably connected to a temple connector of the connecting mechanism; and

[0029] A glasses body, wherein the glasses body is fixedly connected to the frame connecting piece of the connecting mechanism.

[0030] The above-mentioned AR glasses reduce the installation space occupied by the temples by setting the outward expansion structure in the installation space of the glasses body, so that the temples have a sufficiently large installation space for installing some electronic components, making the weight of the AR glasses more balanced and improving the user's wearing experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A three-dimensional schematic diagram of AR glasses provided for one embodiment of the present application;

[0032] Figure 2 A schematic plan view of a connection mechanism provided for the first example of the present application in an initial state;

[0033] Figure 3 A schematic plan view of a connecting mechanism according to a first example of the present application when the connecting mechanism is in an expanded state;

[0034] Figure 4 An exploded schematic diagram of a connection mechanism according to a first example of the present application is shown;

[0035] Figure 5 A three-dimensional schematic diagram of a mirror frame connecting member of a connecting mechanism according to a first example of the present application is shown;

[0036] Figure 6 A three-dimensional schematic diagram of a temple connector of a connecting mechanism according to a first example of the present application is shown;

[0037] Figure 7 A schematic plan view of a connection mechanism in an initial state provided for a second example of the present application;

[0038] Figure 8 A schematic plan view of a connecting mechanism according to a second example of the present application when the connecting mechanism is expanded;

[0039] Fig. 9 An exploded schematic diagram of a connecting mechanism according to a second example of the present application is shown;

[0040] Fig.10 A perspective schematic diagram showing a mirror frame connecting member of a connecting mechanism according to a second example of the present application;

[0041] Fig.11 A three-dimensional schematic diagram of a temple connector of a connecting mechanism according to a second example of the present application is shown.

[0042] 1. The spectacles are shaped like this: 10. connecting mechanism; 11. spectacles frame connecting piece; 110. limiting surface; 111. spectacles frame connecting part; 1111. accommodating groove; 1112. connecting body; 1113. spring mounting seat; 1114. first protrusion; 1115. limiting rod; 112. spectacles frame rotating arm; 1121. first protrusion; 1122. third protrusion; 12. temple connecting piece; 120. matching surface; 121. spectacles leg connecting part; 1211. connecting plate; 1212. rotating plate; 122. rotating shaft; 1221. rotating groove; 1222. second protrusion; 123. adjusting part; 1231. second protrusion; 124. abutting part; 13. elastic member; 20. spectacles body; 30. spectacles leg. DETAILED DESCRIPTION

[0043] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0044] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0045] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0046] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0048] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0049] Based on the problem of the shaft structure occupying the installation space of the temples in the existing temple expansion solution, the present application provides a connection mechanism and AR glasses. The AR glasses reduce the installation space occupied by the temples by setting the expansion structure in the installation space of the glasses body, so that the temples have a large enough installation space for installing some electronic components, making the weight of the AR glasses more balanced, and improving the user's wearing experience.

[0050] Specifically, Figures 1 to 11The present application provides a connection mechanism 10, which is used to connect the glasses body 20 and the temple 30. The connection mechanism 10 may include a frame connection member 11, a temple connection member 12 and an elastic member 13. The frame connection member 11 includes a frame connection portion 111 and a frame rotation arm 112. The frame connection portion 111 is used to connect the glasses body 20, and the frame rotation arm 112 is connected to the frame connection portion 111. The temple connection member 12 includes a shaft portion 122, a temple connection portion 121 and an adjustment portion 123. The shaft portion 122 is connected to the frame rotation arm 112. The temple connection portion 121 extends from the shaft portion 122 in a direction away from the frame connection portion 111, and is used to connect the temple 30. The adjustment portion 123 extends from the shaft portion 122 in a direction close to the frame connection portion 111. The elastic member 13 is disposed between the frame connecting portion 111 and the adjusting portion 123 . The adjusting portion 123 rotates relative to the frame connecting portion 111 under the action of the elastic member 13 to reduce the outward expansion angle α of the temple connecting portion 121 .

[0051] It is understandable that when the temple 30 is expanded outward, the temple connection part 121 is driven by the temple 30 to rotate outward relative to the frame rotating arm 112 through the shaft part 122, thereby driving the adjustment part 123 to rotate synchronously relative to the frame rotating arm 112 through the shaft part 122, so that the adjustment part 123 forces the elastic member 13 to produce elastic deformation, so that the elastic member 13 provides a clamping force for the temple connection part 121 to retract inward. In this way, the connection mechanism 10 realizes the ability of expanding the temple 30 outward through the rotational connection of the frame connection part 11 and the temple connection part 12, and by moving the outward expansion function part between the frame connection part 111 and the adjustment part 123, the installation space occupied by the temple 30 is reduced, and the available installation space of the temple 30 is increased.

[0052] The elastic member 13 can be stretched and deformed. When the adjusting portion 123 is driven by the temple connecting portion 121 to move away from the frame connecting portion 111, the elastic member 13 can pull the temple connecting portion 121 back inward. The elastic member 13 can also be squeezed and deformed. When the adjusting portion 123 is driven by the temple connecting portion 121 to move closer to the frame connecting portion 111, the elastic member 13 can push the temple connecting portion 121 back inward.

[0053] Alternatively, if Figure 2 , Figure 3 , Figure 4 , Figure 7 , Figure 8 and Fig. 9As shown, in one embodiment, the adjustment portion 123 is located at the front side of the frame connection portion 111, and the elastic member 13 is a compression spring, one end of the compression spring abuts against the adjustment portion 123, and the other end of the compression spring abuts against the frame connection portion 111. When the temple connection member 12 is driven by the temple 30 to expand outward, the adjustment portion 123 is turned to the frame connection portion 111, and the adjustment portion 123 squeezes the compression spring, so that the compression spring accumulates potential energy to generate elastic force, thereby generating an inward clamping force on the temple connection portion 121, so that the temple 30 can clamp the user's head.

[0054] Preferably, if Figure 2 , Figure 5 , Figure 6 , Figure 7 , Fig.10 and Fig.11 As shown, in one embodiment, the frame connecting member 11 has a limiting surface 110, and the temple connecting member 12 has a matching surface 120. The limiting surface 110 abuts against the matching surface 120 under the action of the elastic member 13 to limit the minimum outward expansion angle α of the frame connecting portion 111. In other words, when the temple connecting member 12 is not driven by the temple 30 to expand outward, the temple connecting member 12 rotates inward under the action of the elastic member 13, so that the limiting surface 110 abuts against the matching surface 120. At this time, the outward expansion angle α of the temple connecting member 12 is the smallest and is in an initial state. When the temple connecting member 12 is driven by the temple 30 to expand outward, the limiting surface 110 is taken away from the matching surface 120. As the distance between the limiting surface 110 and the matching surface 120 increases, the outward expansion angle α gradually increases. The limiting surface 110 and the matching surface 120 can limit the initial state of the connecting mechanism 10 , so that the elastic member 13 maintains a pre-compression state, thereby preventing the elastic member 13 from being separated from the adjusting portion 123 .

[0055] Optionally, the frame rotating arm 112 and the shaft portion 122 may be arranged in a variety of ways. A pair of the frame rotating arms 112 may be arranged on both sides of the shaft portion 122 , or a pair of the shaft portions 122 may be arranged on both sides of the frame rotating arm 112 .

[0056] Alternatively, if Figure 4 , Figure 5 and Figure 6 As shown, in the first example of the present application, two spectacles frame rotating arms 112 are respectively arranged on the upper and lower sides of the rotating shaft portion 122, and the upper and lower sides of the rotating shaft portion 122 are respectively provided with rotating grooves 1221, and the spectacles frame rotating arms 112 are respectively rotatably arranged in the rotating grooves 1221. In this way, the rotating grooves 1221 can accommodate the spectacles frame rotating arms 112, reducing the overall height dimension after the rotating shaft portion 122 and the spectacles frame rotating arms 112 are connected, so that the structure of the connecting mechanism 10 is more compact.

[0057] Preferably, if Figure 4 , Figure 5 and Figure 6 As shown, in the first example of the present application, the frame connecting part 111 has a receiving groove 1111, the notch of the receiving groove 1111 faces the adjusting part 123, and the elastic member 13 is arranged in the receiving groove 1111. When the temple connecting part 12 expands outward, the adjusting part 123 turns to the receiving groove 1111 and squeezes the elastic member 13. In this way, the receiving groove 1111 can accommodate the elastic member 13, so that the frame connecting part 11 can take into account the deformation space of the elastic member 13, making the structure of the connecting mechanism 10 more compact; the receiving groove 1111 can also provide protection for the elastic member 13 to prevent other components from interfering with the elastic member 13.

[0058] It is worth noting that Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, in the first example of the present application, the frame connector 11 also includes a limiting rod 1115 connected between the two frame rotating arms 112, and the temple connector 12 also includes an abutment portion 124 located between the rotating shaft portion 122 and the adjusting portion 123. When the abutment portion 124 abuts against the limiting rod 1115, the outward expansion angle α of the temple connector 12 reaches a maximum value.

[0059] Preferably, if Figure 2 , Figure 5 and Figure 6 As shown, in the first example of the present application, the frame rotating arm 112 includes a first convex portion 1121, the first convex portion 1121 protrudes between the temple connecting portion 121 and the frame rotating arm 112, and the limiting surface 110 is located on the side of the first convex portion 1121 facing the temple connecting portion 121; the rotating shaft portion 122 includes a second convex portion 1222, the second convex portion 1222 is convexly arranged in the rotating groove 1221, and the matching surface 120 is located on the side of the second convex portion 1222 facing the first convex portion 1121. In this way, when the first convex portion 1121 abuts against the second convex portion 1222, the outward expansion angle α of the frame connecting portion 111 is minimized. The first convex portion 1121 and the second convex portion 1222 can limit the initial state of the connecting mechanism 10, so that the elastic member 13 maintains a pre-compression state, and prevents the elastic member 13 from detaching from the adjusting portion 123.

[0060] Alternatively, if Fig. 9 , Fig.10 and Fig.11As shown, in the second example of the present application, the temple connection part 121 includes a connection plate body 1211 and a pair of rotating plate bodies 1212 connected to the upper and lower sides of the connection plate body 1211, a pair of the rotating shaft parts 122 are respectively connected to the rotating plate body 1212, and the frame rotating arm 112 is rotatably arranged between the rotating shaft parts 122. In this way, the frame rotating arm 112 is embedded between the two rotating shaft parts 122, reducing the overall height dimension after the rotating shaft part 122 and the frame rotating arm 112 are connected, so that the structure of the connection mechanism 10 is more compact.

[0061] Preferably, if Fig. 9 , Fig.10 and Fig.11 As shown, in the second example of the present application, the frame connecting part 111 includes a connecting body 1112 and a spring mounting seat 1113 extending from the connecting body 1112 to the upper side and the lower side respectively, and the elastic member 13 is arranged between the spring mounting seat 1113 and the adjusting part 123. In this way, the elastic member 13 is arranged on both sides of the connecting body 1112, so that the frame connecting part 11 can take into account the deformation space of the elastic member 13, making the structure of the connecting mechanism 10 more compact.

[0062] It is worth noting that Figure 8 As shown, when the adjusting portion 123 abuts against the connecting body 1112 , the outward expansion angle α of the temple connecting member 12 reaches a maximum value.

[0063] Preferably, if Fig. 9 , Fig.10 and Fig.11 As shown, in the second example of the present application, the frame rotating arm 112 includes a third protrusion 1122, the third protrusion 1122 protrudes between the connecting plate body 1211 and the frame rotating arm 112, the limiting surface 110 is located on the side of the third protrusion 1122 facing the connecting plate body 1211, and the matching surface 120 is located on the side of the connecting plate body 1211 facing the third protrusion 1122. In this way, when the third protrusion 1122 abuts against the connecting plate body 1211, the outward expansion angle α of the frame connecting part 111 is the smallest. The third protrusion 1122 and the connecting plate body 1211 can limit the initial state of the connecting mechanism 10, so that the elastic member 13 maintains a pre-stressed state, and prevents the elastic member 13 from detaching from the adjusting portion 123.

[0064] Preferably, if Figure 5 , Figure 6 , Fig.10 and Fig.11As shown, in one embodiment, the frame connecting portion 111 also includes a plurality of first protrusions 1114, and the first protrusions 1114 are protruded from the receiving groove 1111 or the spring mounting portion, and the adjustment portion 123 also includes a plurality of second protrusions 1231, and the first protrusions 1114 and the second protrusions 1231 cooperate to fix the elastic member 13.

[0065] Furthermore, if Figure 1 As shown, the present application also provides an AR glasses, which may include any of the above-mentioned connection mechanisms 10, temples 30 and glasses body 20, the glasses body 20 is fixedly connected to the frame connector 11 of the connection mechanism 10, the frame connector 11 can be fixed to the bracket of the glasses body 20 by screws, adhesives or other fixing methods, or can be directly integrated with the bracket of the glasses body 20. The temple 30 is rotatably connected to the temple connector 12 of the connection mechanism 10, so that the temple 30 can be folded when the AR glasses are stored. The glasses body 20 is arranged on the frame and the temple 30. The AR glasses reduce the occupation of the installation space of the temple 30 by arranging the outward expansion structure in the installation space of the glasses body 20, so that the temple 30 has a sufficiently large installation space for installing some electronic components, so that the weight of the AR glasses is more balanced, and the wearing experience of the user can be improved.

[0066] The technical features of the above embodiment can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above embodiment are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0067] The above embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A connecting mechanism, characterized in that: include: A spectacles frame connecting piece, the spectacles frame connecting piece comprising a spectacles frame connecting portion and a spectacles frame rotating arm connected to the spectacles frame connecting portion; A temple connector, the temple connector comprising a shaft portion connected to the frame rotating arm, a temple connector portion extending from the shaft portion toward a direction away from the frame connector portion, and an adjustment portion extending from the shaft portion toward a direction close to the frame connector portion; and An elastic member is arranged between the lens frame connecting portion and the adjusting portion.

2. The connection mechanism according to claim 1, characterized in that: The adjusting portion is located at the front side of the lens frame connecting portion, the elastic member is a compression spring, one end of the compression spring abuts against the adjusting portion, and the other end of the compression spring abuts against the lens frame connecting portion.

3. The connection mechanism according to claim 2, characterized in that: The frame connecting piece has a limiting surface, and the temple connecting piece has a matching surface. The limiting surface abuts against the matching surface under the action of the elastic member to limit the minimum outward expansion angle of the frame connecting part.

4. The connection mechanism according to claim 3, characterized in that: The two mirror frame rotating arms are respectively arranged on the upper and lower sides of the rotating shaft portion, and the upper and lower sides of the rotating shaft portion are respectively provided with rotating grooves, and the mirror frame rotating arms are respectively rotatably arranged in the rotating grooves.

5. The connection mechanism according to claim 4, characterized in that: The frame connecting portion has a receiving groove, the notch of the receiving groove faces the adjusting portion, and the elastic member is arranged in the receiving groove.

6. The connection mechanism according to claim 4, characterized in that: The frame rotating arm includes a first protrusion, which protrudes between the temple connecting portion and the frame rotating arm, and the limiting surface is located on the side of the first protrusion facing the temple connecting portion; the shaft portion includes a second protrusion, which is protruding in the rotating groove, and the mating surface is located on the side of the second protrusion facing the first protrusion.

7. The connection mechanism according to claim 3, characterized in that: The temple connection portion includes a connecting plate body and a pair of rotating plate bodies connected to the upper and lower sides of the connecting plate body, a pair of rotating shaft parts are respectively connected to the rotating plate bodies, and the frame rotating arm is rotatably arranged between the rotating shaft parts.

8. The connection mechanism according to claim 7, characterized in that: The frame connecting portion comprises a connecting body and a spring mounting seat extending from the connecting body to the upper side and the lower side respectively, and the elastic member is arranged between the spring mounting seat and the adjusting portion.

9. The connection mechanism according to claim 7, characterized in that: The frame rotating arm includes a third protrusion, which protrudes between the connecting plate body and the frame rotating arm. The limiting surface is located on the side of the third protrusion facing the connecting plate body, and the matching surface is located on the side of the connecting plate body facing the third protrusion.

10. An AR glasses, characterized in that: include: The connecting mechanism according to any one of claims 1 to 9; A temple, wherein the temple is rotatably connected to a temple connecting piece of the connecting mechanism; as well as A glasses body, wherein the glasses body is fixedly connected to the frame connecting piece of the connecting mechanism.

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