A rotating shaft structure with bidirectional rotation and positioning

Abstract

The present invention discloses a rotating shaft structure for bidirectional rotation and positioning, comprising: a fixed part, provided with a rotating cavity with a guide structure; a rotating part, provided with a rotating portion that rotates with the guide structure of the rotating cavity; a W-shaped elastic part used for the fixed part and the rotating part to achieve bidirectional pulling and stopping without rebounding, and horizontally placed inside the rotating cavity; and also comprising a connecting shaft, which is inserted and connected with the center of the rotating portion and is rotatably connected with shaft holes provided on the cavity walls on both sides of the rotating cavity. The rotating part of the present invention can perform bidirectional rotation in clockwise and counterclockwise directions with the fixed part through the connecting shaft, and the positive force generated on the W-shaped elastic part makes it possible for the rotating part to automatically rebound from the starting end to the terminal end to stop when it is pulled with force during the rotation process, and then to stop freely when it is pulled from the terminal end to the starting end, and the two ends can pull each other and stop without rebounding, thereby realizing the locking and positioning of the rotating part and the fixed part.

Description

Technical Field

[0001] The invention relates to the field of hinge accessories, and in particular to a rotating shaft structure with bidirectional rotation and positioning. Background Art

[0002] A hinge is a mechanical device used to connect two solid parts and allow them to rotate relative to each other. A hinge can be made of movable components or foldable materials.

[0003] Hinges are commonly used accessories for mobile terminals (such as laptops) and wearable electronic terminal storage boxes (earphone boxes). When the linking pieces of the existing hinges rotate, the necessary rotation positioning structure is lacking between the hinge pieces. As a result, the mobile terminal installed with the traditional hinge structure cannot lock and position the shell of the mobile terminal device when it rotates, which can easily cause damage to the device. When the box body and the box cover of the earphone storage box are hinged, the box cover cannot be locked and positioned. Subsequently, technicians in this field improved the traditional hinge structure and added a rotation positioning structure. However, the current rotation positioning structure is too complicated, which invisibly increases the manufacturing cost and cannot achieve two-way rotation locking. Summary of the invention

[0004] The purpose of the present invention is to provide a rotating shaft structure with bidirectional rotation positioning, so as to solve the problem that the conventional hinge structure proposed in the above background technology is improved and equipped with a rotation positioning structure, but the current rotation positioning structure is too complicated, which invisibly increases the manufacturing cost and cannot achieve bidirectional rotation locking.

[0005] To achieve the above object, the present invention provides the following technical solution: a rotating shaft structure with bidirectional rotation and positioning, comprising:

[0006] A fixing member is provided with a rotating cavity having a guide structure;

[0007] A rotating member, provided with a rotating portion that is rotationally matched with the guide structure of the rotating cavity;

[0008] A W-shaped elastic member used for the fixed member and the rotating member to achieve bidirectional pulling pause without rebounding is horizontally placed inside the rotating cavity, one end of which is in conflict with the bottom of the rotating cavity, and the other end is rotatably connected to the rotating member, and when the two ends of the W-shaped elastic member are in a horizontal state and a vertical state, the positive force generated by the W-shaped elastic member on the rotating member is greater than the reverse force on the rotating member at this time;

[0009] It also includes a connecting shaft, which is inserted and connected with the center of the rotating part and is rotatably connected with shaft holes provided on the cavity walls on both sides of the rotating cavity.

[0010] As a preferred technical solution of the present invention, the rotating cavity is opened on one side of the fixing member, and the cavity walls on both sides of the rotating cavity are also successively provided with guide grooves and arc grooves which are distributed in a stepped manner and are both arc-shaped structures.

[0011] As a preferred technical solution of the present invention, the rotating part includes a cam part arranged at one end of the rotating part. When the rotating part rotates clockwise and counterclockwise, as a preferred technical solution of the present invention, both ends of the cam part are guided and slidably connected with the guide grooves inside the rotating chamber. One side of the cam part is also provided with a strip-shaped protrusion to prevent the rotating part from rotating and deviating. Both ends of the strip-shaped protrusion are in contact with the groove walls of the two arc-shaped grooves. A clamping head is provided in the middle of one side of the strip-shaped protrusion, and an opening is opened in the middle of the clamping head.

[0012] As a preferred technical solution of the present invention, after the W-shaped elastic member is placed in the rotating cavity, one end of the W-shaped elastic member is inserted into the inside of the opening and rotatably connected, and the other end of the W-shaped elastic member is provided with a horizontal support portion that contacts the bottom of the rotating cavity.

[0013] As a preferred technical solution of the present invention, a groove matching the size of the chuck and allowing the surface of the rotating part to remain flush with the surface of the fixed part is opened on one side of the top of the rotating cavity.

[0014] As a preferred technical solution of the present invention, limiting protrusions are further provided on both sides of the fixing member, a limiting slot is provided on the bottom of the fixing member, and a mounting hole is provided on the back of the fixing member.

[0015] As a preferred technical solution of the present invention, the W-shaped elastic member is a W-shaped spring or a spring sheet.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1) The rotating part can rotate in both clockwise and counterclockwise directions through the connecting shaft and the fixed part, and the positive force generated on the W-shaped elastic part makes the rotating part automatically bounce from the starting end to the terminal end when it is pulled hard during the rotation process, and then stop freely when it is pulled from the terminal end to the starting end. The two ends can be pulled against each other and stop without rebounding, so as to realize the locking and positioning of the rotating part and the fixed part, and then realize the locking and positioning of the hinge equipped with the bidirectional positioning shaft structure;

[0018] 2) The hinge structure is simple in structure, which reduces the manufacturing cost. It is also convenient to install and disassemble. When assembled inside the hinge, the volume occupied inside the hinge can be reduced, so that the hinge can be miniaturized, thereby achieving the thinness and lightness of the mobile terminal device. At the same time, the hinge structure can also be used as a hinge component between the lid and the body of the earphone (wired earphone, wireless earphone) storage box. The positive force generated by the W-shaped elastic member allows the earphone box body and lid to be opened, and the lid can be quickly opened and closed, and the lid can be automatically locked when fully opened and fully closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 It is a schematic diagram of the structure of the fixing member of the present invention;

[0021] Figure 3 It is a schematic diagram of the internal structure of the fixing member of the present invention;

[0022] Figure 4 It is a schematic diagram of the structure of the rotating part of the present invention;

[0023] Figure 5 It is a schematic diagram of the unfolded rotation state of the W-shaped elastic member of the present invention;

[0024] Figure 6 It is a schematic diagram of the compression transition state of the W-shaped elastic member of the present invention;

[0025] Figure 7 This is one of the schematic diagrams of the W-shaped elastic member structure of the present invention;

[0026] Figure 8 This is the second schematic diagram of the W-shaped elastic member structure of the present invention;

[0027] Fig. 9 It is a schematic diagram of the closed state of the present invention;

[0028] Fig.10 It is a schematic diagram of the unfolded state of the present invention;

[0029] Fig.11 It is one of the cross-sectional views of the unfolded state of the present invention;

[0030] Fig.12 This is the second cross-sectional view of the expanded state of the present invention;

[0031] Fig.13 It is an exploded view of the present invention.

[0032] In the figure: 1. fixing member; 11. rotating cavity; 111. arc groove; 112. guide groove; 113. shaft hole; 114. slot; 12. limit bayonet; 13. limit protrusion; 14. mounting hole; 2. rotating member; 21. rotating part; 211. strip protrusion; 212. cam part; 22. clamping head; 221. opening; 3. W-shaped elastic member; 31. supporting part; 4. connecting shaft. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-13 The present invention provides a bidirectional rotating shaft structure, comprising:

[0035] The fixing member 1 is provided with a rotating cavity 11 with a guide structure;

[0036] The rotating member 2 is provided with a rotating portion 21 which is rotationally matched with the guide structure of the rotating cavity 11;

[0037] A W-shaped elastic member 3 is used for the fixed member 1 and the rotating member 2 to achieve a two-way pull-out pause without rebounding, and is horizontally placed inside the rotating cavity 11, with one end of the W-shaped elastic member 3 in conflict with the bottom of the rotating cavity 11, and the other end of the W-shaped elastic member 3 is rotatably connected to the rotating member 2. When the two ends of the W-shaped elastic member 3 are in a horizontal state and a vertical state, the positive force generated by the W-shaped elastic member 3 on the rotating member 2 is greater than the reverse force on the rotating member 2 at this time;

[0038] The rotating part 21 further includes a connecting shaft 4 , which is inserted and connected with the center of the rotating part 21 and is rotatably connected with shaft holes 113 provided on the cavity walls on both sides of the rotating cavity 11 .

[0039] Furthermore, the rotating cavity 11 is opened on one side of the fixed part 1, and the cavity walls on both sides of the rotating cavity 11 are also provided with guide grooves 112 and arc grooves 111 which are distributed in a stepped manner and are both arc-shaped structures. The guide grooves 112 and the arc grooves 111 are integrally formed in the rotating cavity 11, and are guided and slidably connected with the cam portion 212 through the set guide grooves 112 to guide the rotation of the connecting shaft 4 at the turning point. The two arc grooves 111 can limit the two ends of the strip protrusions 211 to prevent the rotating part 2 from horizontally deviating when rotating in the rotating cavity 11.

[0040] Furthermore, the rotating portion 21 includes a cam portion 212 arranged at one end of the rotating member 2. When the rotating member 2 rotates clockwise and counterclockwise, both ends of the cam portion 212 are guided and slidably connected to the guide groove 112 inside the rotating chamber 11. One side of the cam portion 212 is also provided with a strip protrusion 211 to prevent the rotating member 2 from rotating and deviating. Both ends of the strip protrusion 211 are in contact with the groove walls of the two arc grooves 111. A clamping head 22 is provided in the middle of one side of the strip protrusion 211, and an opening 221 is opened in the middle of the clamping head 22. The clamping head 22 is provided with the opening 221 in the middle thereof, and one end of the W-shaped elastic member 3 can be rotatably connected by cooperating with the opening 221 in the middle thereof, thereby ensuring that the W-shaped elastic member 3 produces controllable deformation after being compressed by force.

[0041] Furthermore, after the W-shaped elastic member 3 is placed in the rotating cavity 11, one end thereof is inserted into the interior of the opening 221 and is rotatably connected, and the other end thereof is provided with a support portion 31 which is horizontal and in contact with the bottom of the rotating cavity 11. By utilizing the support portion 31 to contact with the bottom of the rotating cavity 11, when the rotating member 2 is rotated, the W-shaped elastic member 3 generates an elastic supporting force on the rotating member 2.

[0042] Furthermore, a groove 114 matching the size of the chuck 22 is provided on one side of the top of the rotating cavity 11 so that the surface of the rotating part 2 can be kept flush with the surface of the fixed part 1, so that when the rotating part 2 rotates to horizontal, its surface can be kept flush with the surface of the fixed part 1.

[0043] Furthermore, limiting protrusions 13 are provided on both sides of the fixing member 1, a limiting snap-in 12 is provided on the bottom of the fixing member 1, and a mounting hole 14 is provided on the back of the fixing member 1. The fixing member 1 is fixedly installed by the limiting snap-in 12, the limiting protrusion 13 and the mounting hole 14 and the protrusions, snap-in and mounting screws corresponding to the hinge housing, so that the fixing member 1 can be quickly installed and fixed.

[0044] Further, the W-shaped elastic member 3 is a W-shaped spring or a spring sheet, and the same W-shaped elastic member 3 can be Figure 7 The elastic member shown in the figure is two elastic rings symmetrically arranged, and can also be Figure 8 The elastic member with a central elastic ring as shown in the figure and the W-shaped elastic member 3 can lock the rotating member 2 by utilizing the positive force generated.

[0045] Specifically, during the specific installation, first place the fixing member 1 between the two hinge pieces of the hinge, and fix the limiting bayonet 12, limiting protrusion 13 and mounting hole 14 provided on the fixing member 1 with the protrusion, bayonet and mounting screws provided on the hinge housing to quickly install the fixing member 1 and the hinge with the housing, and then place one end of the W-shaped elastic member 3 in the opening 221 of the clamp head 22 to ensure that one end of the W-shaped elastic member 3 can rotate around the opening 221, and then place the W-shaped elastic member 3 in the rotating cavity 11, and the W-shaped elastic member 3 is fixed to the rotating cavity 11. The supporting portion 31 at the other end of the fixed member 3 is in conflict with the bottom of the rotating cavity 11, and then the end of the rotating member 2 with the rotating portion 21 is placed in the rotating cavity 11 of the fixed member 1, and the two ends of the cam portion 212 of the rotating member 2 are connected with the guide groove 112 for guiding and sliding, and the two ends of the strip protrusion 211 are placed between the two arc grooves 111, and then the connecting shaft 4 is passed through the cam portion 212 and is connected with the shaft hole 113 for rotation, and finally the end of the rotating member 2 away from the clamping head 22 is fixedly connected with the housing of the mobile terminal device;

[0046] When in use, the mobile terminal is closed by pulling the shell of the mobile terminal device. When the shell of the mobile terminal device rotates clockwise, the rotating member 2 also rotates clockwise. At this time, the clamping head 22 rotates toward the inside of the rotating cavity 11 and presses the W-shaped elastic member 3, and makes the supporting portion 31 of the W-shaped elastic member 3 slide along the bottom of the rotating cavity 11. When the rotating member 2 rotates beyond a certain angle, the W-shaped elastic member 3 quickly presents a stacked twisted shape (such as Figure 6 As shown in the figure, when the rotating member 2 rotates to a state perpendicular to the fixed member 1, the positive force generated by the compressed W-shaped elastic member 3 is used to support and lock the rotating member 2, and the rotating member 2 will not rebound, thereby realizing the clockwise rotation axial locking of the hinge;

[0047] The mobile terminal is unfolded by pulling the shell of the mobile terminal device. When the shell of the mobile terminal device rotates counterclockwise, the rotating member 2 also rotates counterclockwise. At this time, the clamping head 22 rotates to the outside of the rotating cavity 11 and releases the W-shaped elastic member 3. Similarly, the supporting portion 31 of the W-shaped elastic member 3 also slides along the bottom of the rotating cavity 11. When the rotating member 2 rotates beyond a certain angle, the W-shaped elastic member 3 is quickly unfolded (such as Figure 5 As shown in the figure, when the rotating member 2 rotates to be horizontal with the fixed member 1, the positive force generated by the fully expanded W-shaped elastic member 3 also supports and locks the rotating member 2, and the rotating member 2 does not rebound, thereby realizing the counterclockwise rotation axial locking of the hinge;

[0048] When the rotating member 2 rotates in both directions, the positive force generated by the W-shaped elastic member 3 can lock the rotating member 2 without causing rebound.

[0049] It should be supplemented that: the hinge structure can also be used as a hinged component of the headphone storage box. The fixing part 1 is installed on the box body of the headphone storage box, and the rotating part 2 is installed on the box cover. When the box cover is opened and closed, the positive force generated by the W-shaped elastic part 3 is used to realize the rapid opening and closing of the box cover, and the box cover is automatically locked when it is fully opened and fully closed, and there will be no rebound phenomenon.

[0050] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0051] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected 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 the specific circumstances.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotating shaft structure with bidirectional rotation and positioning, characterized in that: include: A fixing member (1) is provided with a rotating cavity (11) having a guide structure; The rotating member (2) is provided with a rotating portion (21) which is rotationally matched with the guide structure of the rotating chamber (11); A W-shaped elastic member (3) for realizing bidirectional pulling pause and non-rebound of the fixed member (1) and the rotating member (2), is horizontally placed inside the rotating cavity (11), one end of which contacts the bottom of the rotating cavity (11), and the other end of which is rotatably connected to the rotating member (2), and when the two ends of the W-shaped elastic member (3) are in a horizontal state and a vertical state, the positive force generated by the W-shaped elastic member (3) on the rotating member (2) is greater than the reverse force on the rotating member (2) at this time; It also includes a connecting shaft (4), which is inserted and connected with the center of the rotating part (21) and is rotatably connected with shaft holes (113) provided on the cavity walls on both sides of the rotating cavity (11); The rotating cavity (11) is opened on one side of the fixing member (1), and the cavity walls on both sides of the rotating cavity (11) are also provided with guide grooves (112) and arc grooves (111) which are distributed in a stepped manner and are both arc-shaped structures in sequence; The W-shaped elastic member (3) is a W-shaped spring or a spring sheet.

2. The bidirectional rotating shaft structure according to claim 1, characterized in that: The rotating part (21) comprises a cam part (212) arranged at one end of the rotating member (2); when the rotating member (2) rotates clockwise and counterclockwise, both ends of the cam part (212) are connected to the guide groove (112) in a guiding and sliding manner inside the rotating chamber (11); one side of the cam part (212) is also provided with a strip-shaped protrusion (211) for preventing the rotating member (2) from rotating and deviating; both ends of the strip-shaped protrusion (211) are in contact with the groove walls of the two arc-shaped grooves (111); a clamping head (22) is provided in the middle of one side of the strip-shaped protrusion (211); and an opening (221) is opened in the middle of the clamping head (22).

3. A bidirectional rotating shaft structure according to claim 2, characterized in that: After the W-shaped elastic member (3) is placed in the rotating chamber (11), one end of the W-shaped elastic member (3) is inserted into the interior of the opening (221) and is rotatably connected, and the other end of the W-shaped elastic member (3) is provided with a horizontal support portion (31) that contacts the bottom of the rotating chamber (11).

4. The bidirectional rotating shaft structure according to claim 2, characterized in that: A groove (114) matching the size of the clamp (22) and enabling the surface of the rotating part (2) to remain flush with the surface of the fixed part (1) is provided on one side of the top of the rotating cavity (11).

5. The bidirectional rotating shaft structure according to claim 1, characterized in that: Limiting protrusions (13) are also provided on both sides of the fixing member (1), a limiting snap-in notch (12) is provided on the bottom of the fixing member (1), and a mounting hole (14) is provided on the back of the fixing member (1).

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