Terminal bracket

Abstract

A terminal bracket, comprising: a rotating arm, one end of which is hinged to the base connection seat of the base plate; the other end of the rotating arm is hinged to the top plate connection seat of the top plate, and the other end of the rotating arm is hinged to the top plate connection seat of the top plate through a connection structure. The connection structure has: a bolt, passing through the top plate connection seat and screwing with the other end of the rotating arm; a first ring member, positioned on the top plate connection seat, and a plurality of first spiral teeth are formed on one end face of the first ring member facing away from the connection seat; a second ring member, positioned at one end of the rotating arm, and a plurality of second spiral teeth are formed on one end face of the second ring member facing the first ring; an intermediate ring member, clamped between the first ring member and the second ring member, and a plurality of intermediate spiral teeth engaged with the plurality of first spiral teeth and the plurality of second spiral teeth respectively are formed on the two end faces of the intermediate ring member.

Description

Technical Field

[0001] The present invention relates to a terminal bracket. Background Art

[0002] In Japanese Design Patent Registration JP1731224, a terminal bracket is disclosed, which includes: a bottom plate provided with a connecting seat; a rotating arm, one end of which is hinged to the connecting seat of the bottom plate; and a top plate provided with a connecting seat, the other end of the rotating arm being hinged to the connecting seat of the top plate.

[0003] However, in Japanese Design Patent Registration JP1731224, since both the rotating arm and the connecting seat are hinged by press-fitting, it is rather laborious to fold the terminal bracket. In addition, after long-term use, the hinge is likely to become loose, making it difficult to maintain a predetermined supporting posture. Summary of the Invention

[0004] The present invention is made in view of the above problems, and its object is to provide a terminal bracket that is easy to fold and the hinge is not likely to become loose.

[0005] According to an aspect of the present invention, there is provided a terminal bracket, which includes:

[0006] A bottom plate provided with a connecting seat;

[0007] A rotating arm, one end of which is hinged to the connecting seat of the bottom plate;

[0008] A top plate provided with a connecting seat, the other end of the rotating arm being hinged to the connecting seat of the top plate,

[0009] At least one of the connection between one end of the rotating arm and the connecting seat of the bottom plate and the connection between the other end of the rotating arm and the connecting seat of the top plate is hinged by a connection structure,

[0010] The connection structure has:

[0011] A bolt that penetrates the connecting seat and is screwed with one end or the other end of the rotating arm;

[0012] A first ring-shaped member positioned on the connecting seat with the bolt on its inner peripheral side, and a plurality of first spiral teeth are formed in a circumferential direction on one end face of the first ring-shaped member facing away from the connecting seat;

[0013] A second ring-shaped member positioned on one end or the other end of the rotating arm with the bolt on its inner peripheral side, and a plurality of second spiral teeth are formed in a circumferential direction on one end face of the second ring-shaped member facing the first ring-shaped member;

[0014] An intermediate ring member is clamped between the first ring member and the second ring member in such a manner that the bolt is located on its inner peripheral side, and a plurality of intermediate helical teeth that respectively engage with the plurality of first helical teeth and the plurality of second helical teeth are formed in a circumferential direction over the entire circumference on both end faces of the intermediate ring member.

[0015] When the first ring member rotates relative to the second ring member in a circumferential direction, no relative rotation occurs between the intermediate ring member and the second ring member.

[0016] When the first ring member rotates relative to the second ring member in the other circumferential direction, no relative rotation occurs between the intermediate ring member and the first ring member.

[0017] According to the present invention, it is possible to provide a terminal bracket that is easy to fold and is not prone to loosening at the hinge. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a perspective view of the folded state of the terminal bracket according to the present embodiment.

[0019] Figure 2 It is a perspective view of the usage state of the terminal bracket according to the present embodiment.

[0020] Figure 3 It is a perspective view of the rotating arm.

[0021] Figure 4 It is a perspective view of the bottom plate.

[0022] Figure 5 It is a perspective view of the top plate.

[0023] Figure 6 It is a perspective view of the terminal bracket in the folded state with one rotating arm omitted.

[0024] Figure 7 It is a front view of the terminal bracket in the folded state with one rotating arm omitted.

[0025] Figure 8 It is a perspective view of the first ring member.

[0026] Figure 9 It is a bottom view of the terminal bracket with the base omitted.

[0027] Figure 10 It is a perspective view of the shaft member.

[0028] Figure 11 It is a perspective view of the rotating disk. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] With reference to the accompanying drawings, the terminal bracket 100 according to an embodiment of the present invention (hereinafter, may also be simply referred to as this embodiment) will be described.

[0030] (Structure of the terminal bracket)

[0031] First, with reference to Figure 1 and Figure 2 , the structure of the terminal bracket 100 according to this embodiment will be described.

[0032] Figure 1 FIG. is a perspective view of the folded state of the terminal bracket 100 according to this embodiment. Figure 2 FIG. is a perspective view of the terminal bracket 100 according to this embodiment in a use state.

[0033] As shown in Figure 1 and Figure 2 , the terminal bracket 100 according to this embodiment includes: a base 1; a bottom plate 2 provided with a pair of bottom plate connectors 21 as connectors and rotatably provided on the base 1; a pair of rotating arms 3, one ends of which are respectively hinged to the pair of bottom plate connectors 21 of the bottom plate 2; a top plate 4 provided with a pair of top plate connectors 41 as connectors, and the other ends of the pair of rotating arms 3 are respectively hinged to the pair of top plate connectors 41 of the top plate 4.

[0034] The terminal bracket 100 can support a terminal such as a tablet computer in the unfolded use state shown in Figure 2 , and can also store itself in the folded state shown in Figure 1 . By rotating the pair of rotating arms 3 and the top plate 4, the folding of the terminal bracket 100 can be completed, thereby realizing the switching between the use state and the folded state.

[0035] A pair of bottom plate connectors 21 protrude from both sides of the bottom plate 2.

[0036] In the folded state of the terminal bracket 100, a pair of top plate connectors 41 protruding toward the base 1 (i.e., the lower side) are provided on the surface of the top plate 4 facing the base 1. In addition, in the unfolded state of the terminal bracket 100, a pair of support claws 42 are provided on the side of the top plate 4 close to the base 1, and the pair of support claws 42 are used to support the terminal. Here, the terminal can be a tablet computer or an electronic product such as a smart phone.

[0037] In this embodiment, although a pair of rotating arms 3 are respectively arranged outside a pair of bottom plate connecting seats 21 and a pair of top plate connecting seats 41, it is not limited thereto. They can also be respectively arranged inside a pair of bottom plate connecting seats 21 and a pair of top plate connecting seats 41. Or, one of the pair of rotating arms 3 can be arranged between a pair of bottom plate connecting seats 21 and a pair of top plate connecting seats 41, and the other of the pair of rotating arms 3 can be arranged outside a pair of bottom plate connecting seats 21 and a pair of top plate connecting seats 41.

[0038] In addition, in this embodiment, both the end portions of a pair of rotating arms 3 and a pair of bottom plate connecting seats 21 of the bottom plate 2, and both the end portions of a pair of rotating arms 3 and a pair of top plate connecting seats 41 of the top plate 4 are hinged through a connecting structure 5 (please refer to Figure 3 and Figure 4 ). However, it is not limited thereto. Either the end portions of a pair of rotating arms 3 and a pair of bottom plate connecting seats 21 of the bottom plate 2, or the end portions of a pair of rotating arms 3 and a pair of top plate connecting seats 41 of the top plate 4 can be hinged through a connecting structure 5. Moreover, the structures of the rotating arm 3 and the connecting structure 5 will be described in detail later.

[0039] In addition, the bottom plate 2 is arranged on the base 1 in a rotatable manner through a rotating structure 6. Moreover, the structure of the rotating structure 6 will be described in detail later.

[0040] (Structure of the rotating arm and the connecting structure)

[0041] Next, with reference to Figures 3 to 8 the structures of the rotating arm 3 and the connecting structure 5 related to this embodiment will be described. Regarding the connecting structure 5, only the connecting structure 5 arranged on the end portion of the moving arm 3 and the top plate connecting seat 41 of the top plate 4 will be described, and the description of the connecting structure 5 arranged on the end portion of the rotating arm 3 and the bottom plate connecting seat 21 of the bottom plate 2 will be omitted.

[0042] Figure 3 is a perspective view of the rotating arm 3. Figure 4 is a perspective view of the bottom plate 2. Figure 5 is a perspective view of the top plate 4. Figure 6 is a perspective view of the terminal bracket 100 in a folded state with one of the rotating arms 3 omitted. Figure 7 is a front view of the terminal bracket 100 in a folded state with one of the rotating arms 3 omitted. Figure 8 is a perspective view of the first annular member 52.

[0043] As Figure 3As shown, the rotating arm 3 according to this embodiment has: a long strip-shaped rotating arm body 31; an annular receiving groove 32 formed at both ends of the rotating arm body 31 and facing the bottom plate connecting seat 21 and the top plate connecting seat 41 respectively; an internal thread seat 33 serving as a rotating shaft, which is arranged on the inner peripheral side of the receiving groove 32 in a manner that can be screwed with a bolt 51 (refer to Figure 6 etc.) to be described later; a rotating arm positioning groove 34 serving as a first positioning member, which is formed on the outer peripheral side of the receiving groove 32 in a manner that communicates with the receiving groove 32.

[0044] As Figure 4 shown, a through hole 211 and a connecting seat positioning groove 212 serving as a second positioning member are formed on the bottom plate connecting seat 21. The connecting seat positioning groove 212 faces the rotating arm 3 and is formed on the outer peripheral side of the through hole 211 in a manner that communicates with the through hole 211.

[0045] As Figure 5 shown, a through hole 411 and a connecting seat positioning groove 412 serving as a second positioning member are formed on the top plate connecting seat 41. The connecting seat positioning groove 412 faces the rotating arm 3 and is formed on the outer peripheral side of the through hole 411 in a manner that communicates with the through hole 411.

[0046] As Figures 6 to 8 shown, the connection structure 5 according to this embodiment has a bolt 51, a first annular member 52, a second annular member 53, an intermediate annular member 54, and a spring 55 (specifically a compression spring) serving as a biasing member. Among them, the first annular member 52, the second annular member 53, and the intermediate annular member 54 are made of non-metal, specifically made of nylon material.

[0047] In a state where the bolt 51 is screwed with the internal thread seat 33 of the rotating arm 3, the first annular member 52, the second annular member 53, the intermediate annular member 54, and the spring 55 are received in the receiving groove 32 in a manner that is penetrated and supported by the internal thread seat 33. Thus, by hiding and receiving the first annular member 52, the second annular member 53, the intermediate annular member 54, and the spring 55 constituting the connection structure 5 in the receiving groove 32 of the rotating arm 3, the exposure of the first annular member 52, the second annular member 53, the intermediate annular member 54, and the spring 55 can be avoided, thereby improving the overall aesthetics of the terminal bracket 100.

[0048] The bolt 51 penetrates through the through hole 411 of the top plate connecting seat 41 and is screwed with the internal thread seat 33 at the other end of the rotating arm 3. The bolt 51 includes a screw rod 511 formed with an external thread and a nut 512 formed at one end of the screw rod 511. As Figure 6 and Figure 7 shown, the nut 512 of the bolt 51 is located inside the top plate connecting seat 41.

[0049] AsFigure 6 and Figure 7 As shown in Figure 7 , on one end surface of the first annular member 52 facing away from the top plate connecting seat 41 (i.e., the end surface facing the middle annular member 54), a plurality of first spiral teeth 521 are formed in a full circle along the circumferential direction. Each first spiral tooth 521 is configured to extend from the inner circumference of the first annular member 52 to the outer circumference of the first annular member 52. In addition, each first spiral tooth 521 includes a first straight wall 521a extending along the axial direction and a first inclined wall 521b extending from the top end of the first straight wall 521a to the bottom end of an adjacent first straight wall 521a in a circumferential direction ( Figure 6 and Figure 7 the arrow R1 direction).

[0050] In addition, as Figure 8 shown, on the other end surface of the first annular member 52 facing the top plate connecting seat 41, a protruding positioning protrusion 522 as the second positioned member is provided. By engaging the positioning protrusion 522 with the connecting seat positioning groove 412, the first annular member 52 can be positioned on the top plate connecting seat 41 in such a manner that the screw rod 511 of the bolt 51 is located on the inner circumferential side of the first annular member 52. That is, the first annular disk member 52 and the top plate connecting seat 41 are integrated, and no relative rotation occurs between the two.

[0051] In the present embodiment, although the second positioning member and the second positioned member are respectively constituted by the connecting seat positioning grooves 212, 412 and the positioning protrusion 522, it is not limited thereto. It may also be constituted by a positioning protrusion provided on the connecting seat (the bottom plate connecting seat 21, the top plate connecting seat 41) and a groove formed in the first annular member 52 and cooperating with the positioning protrusion. Moreover, the second positioning member and the second positioned member may be single or multiple.

[0052] As Figure 6 and Figure 7 shown, on one end surface of the second annular member 53 facing the first annular member 52 (i.e., the end surface facing the middle annular member 54), a plurality of second spiral teeth 531 are formed in a full circle along the circumferential direction. Each second spiral tooth 531 is configured to extend from the inner circumference of the second annular member 53 to the outer circumference of the second annular member 53. In addition, each second spiral tooth 531 includes a second straight wall 531a extending along the axial direction and a second inclined wall 531b extending from the top end of the second straight wall 531a to the bottom end of an adjacent second straight wall 531a in a circumferential direction ( Figure 6 and Figure 7 the arrow R1 direction).

[0053] In this embodiment, the spacing between the first helical teeth 521 and the second helical teeth 531 is the same. In addition, the height of the first straight wall 521a (i.e., the distance from the top end to the bottom end of the first straight wall 521a) is the same as the height of the second straight wall 531a (i.e., the distance from the top end to the bottom end of the second straight wall 531a), and the length of the first inclined wall 521b is the same as the length of the second inclined wall 531b. Thus, the operating feel when rotating the top plate 4 forward can be made the same as the operating feel when rotating the top plate 4 backward. However, the first helical teeth 521 and the second helical teeth 531 are not limited to this, and they may be configured to have different spacings.

[0054] In addition, a protruding positioning projection 532 as the first positioned member is provided on the outer periphery of the second annular member 53. By engaging the positioning projection 532 with the rotating arm positioning groove 34, the second annular member 53 can be positioned in the receiving groove 32 of the rotating arm 3 in such a manner that the screw rod 511 of the bolt 51 is located on the inner peripheral side of the second annular member 53. That is, the second annular member 53 and the rotating arm 3 are integrated, and no relative rotation occurs between them.

[0055] In addition, in this embodiment, although the first positioning member and the first positioned member are respectively constituted by the rotating arm positioning groove 34 and the positioning projection 532, they are not limited to this, and they may also be constituted by a positioning projection provided on the rotating arm 3 and a groove formed in the second annular member 53 and cooperating with the positioning projection. Moreover, the first positioning member and the first positioned member may be single or multiple.

[0056] As Figure 6 and Figure 7 shown, the intermediate annular member 54 is clamped between the first annular member 52 and the second annular member 53 in such a manner that the screw rod 511 of the bolt 51 is located on the inner peripheral side of the intermediate annular member 54. In addition, a plurality of intermediate helical teeth 541 that respectively engage with the plurality of first helical teeth 521 and the plurality of second helical teeth 531 are formed in the circumferential direction over the entire circumference on both end faces of the intermediate annular member 54.

[0057] Each intermediate helical tooth 541 is configured to extend from the inner periphery of the intermediate annular member 54 to the outer periphery of the intermediate annular member 54. Each intermediate helical tooth 541 includes an intermediate straight wall 541a extending along the axial direction and an intermediate inclined wall 541b extending from the top end of the intermediate straight wall 541a to the bottom end of the adjacent intermediate straight wall 541a in the arrow R2 direction ( Figure 6 and Figure 7 of the other circumferential direction).

[0058] The intermediate straight wall 541a of each spiral tooth 541 facing the first annular member 52 is in surface contact with the first straight wall 521a, and the intermediate inclined wall 541b of each spiral tooth 541 facing the first annular member 52 is in surface contact with the first inclined wall 521b. On the other hand, the intermediate straight wall 541a of each spiral tooth 541 facing the second annular member 53 is in surface contact with the second straight wall 531a, and the intermediate inclined wall 541b of each spiral tooth 541 facing the second annular member 53 is in surface contact with the second inclined wall 531b. Thus, it is possible to easily form a one-way rotation structure by the first annular member 52 and the intermediate annular member 54, and it is also possible to easily form another one-way rotation structure by the second annular member 53 and the intermediate annular member 54.

[0059] As Figure 6 and Figure 7 shown, the spring 55 is provided on the side of the second annular member 53 facing away from the intermediate annular member 54, that is, between the second annular member 53 and the bottom surface of the receiving groove 32. In addition, the spring 55 presses the second annular member 53 against the intermediate annular member 54 and the first annular member 52, so that the first annular member 52 can be closely attached to the top plate connection seat 41.

[0060] In the present embodiment, the biasing member is constituted by the spring 55, but it is not limited thereto, and it may also be constituted by a pair of mutually repulsive magnets, as long as the second annular member 53 can press the intermediate annular member 54 and the first annular member 52 so that the first annular member 52 can be closely attached to the top plate connection seat 41.

[0061] When a force is applied to the top plate 4 in a circumferential direction ( Figure 6 and Figure 7 in the direction of arrow R1), the first annular member 52 rotates relative to the second annular member 53 in a circumferential direction, and no relative rotation occurs between the intermediate annular member 54 and the second annular member 53.

[0062] Specifically, when a force is applied to the top plate 4 in a circumferential direction ( Figure 6 and Figure 7 in the direction of arrow R1), the first annular member 52 can rotate relative to the intermediate annular member 54 in a circumferential direction. The first spiral tooth 521 of the first annular member 52 slides along the intermediate inclined wall 541b, and after passing over the top end of the intermediate inclined wall 541b (i.e., the top end of the intermediate straight wall 541a), it falls into the bottom end of the adjacent intermediate inclined wall 541b (i.e., the bottom end of the intermediate straight wall 541a). At this time, since the intermediate straight wall 541a abuts against the second straight wall 531a, no relative rotation occurs between the intermediate annular member 54 and the second annular member 53, and the two act as a whole and rotate relative to the first annular member 52 in the other circumferential direction ( Figure 6 and Figure 7rotate in the direction of arrow R2). Thus, the top plate 4 can be rotated in a circumferential direction.

[0063] In addition, during the rotation of the first annular member 52 relative to the intermediate annular member 54 and the second annular member 53 in a circumferential direction, the intermediate annular member 54 and the second annular member 53 move axially back and forth. Specifically, during the sliding of the first spiral tooth 521 of the first annular member 52 along the intermediate inclined wall 541b, the intermediate annular member 54 and the second annular member 53 move in a direction away from the top plate connecting seat 41 (i.e., in the direction of the bottom surface of the receiving groove 32) against the pressing force of the spring 55. After the first spiral tooth 521 crosses the top end of the intermediate inclined wall 541b (i.e., the top end of the intermediate straight wall 541a) and falls into the bottom end of the adjacent intermediate inclined wall 541b (i.e., the bottom end of the intermediate straight wall 541a), the intermediate annular member 54 and the second annular member 53 move in a direction close to the top plate connecting seat 41 due to the pressing force of the spring 55.

[0064] When a force is applied to the top plate 4 in the other circumferential direction ( Figure 6 and Figure 7 in the direction of arrow R2), the first annular member 52 rotates relative to the second annular member 53 in the other circumferential direction, and no relative rotation occurs between the intermediate annular member 54 and the first annular member 52.

[0065] Specifically, when a force is applied to the top plate 4 in the other circumferential direction ( Figure 6 and Figure 7 in the direction of arrow R2), the first annular member 52 can rotate relative to the second annular member 53 in the other circumferential direction. The intermediate spiral tooth 541 of the intermediate annular member 54 slides along the second inclined wall 531b, and after crossing the top end of the second inclined wall 531b (i.e., the top end of the second straight wall 531a), it falls into the bottom end of the adjacent second inclined wall 531b (i.e., the bottom end of the second straight wall 531a). At this time, since the intermediate straight wall 541a abuts against the first straight wall 521a, no relative rotation occurs between the intermediate annular member 54 and the first annular member 52, and the two rotate as a whole relative to the second annular member 53 in the other circumferential direction ( Figure 6 and Figure 7 in the direction of arrow R2). Thus, the top plate 4 can be rotated in the other circumferential direction.

[0066] In addition, during the rotation of the first annular member 52 and the intermediate annular member 54 relative to the second annular member 53 in the other circumferential direction, the second annular member 53 moves axially back and forth. Specifically, during the sliding of the intermediate spiral teeth 541 of the intermediate annular member 54 along the second inclined wall 531b, the second annular member 53 moves in a direction away from the top plate connecting seat 41 (i.e., towards the bottom surface of the receiving groove 32) against the pressing force of the spring 55. After the intermediate spiral teeth 541 cross the top end of the second inclined wall 531b (i.e., the top end of the second straight wall 531a) and fall into the bottom end of the adjacent second inclined wall 531b (i.e., the bottom end of the second straight wall 531a), the second annular member 53 moves in a direction approaching the top plate connecting seat 41 due to the pressing force of the spring 55.

[0067] When no force is applied to the top plate 4, the first spiral teeth 521 of the first annular member 52 are engaged with the intermediate spiral teeth 541 of the intermediate annular member 54, and the second spiral teeth 531 of the second annular member 53 are engaged with the intermediate spiral teeth 541 of the intermediate annular member 54 by the biasing force of the spring 55. At this time, no relative rotation occurs among the first annular member 52, the second annular member 53, and the intermediate annular member 54. Thus, even when a terminal is placed on the top plate 4, a certain angle formed between the top plate 4 and the rotating arm 3 can be stably maintained.

[0068] In the present embodiment, by combining a one-way rotation structure constituted by the first annular member 52 and the intermediate annular member 54 and another one-way rotation structure constituted by the intermediate annular member 54 and the second annular member 53, it is possible to easily achieve the bidirectional rotation of the top plate 4, and it is not easy for the other end of the rotating arm 3 at the hinge to become loose due to excessive use. As a result, a terminal bracket 100 that can be easily folded and whose hinge is not easy to become loose can be provided, thereby extending the service life of the terminal bracket 100. In addition, during the rotation of the top plate 4, an operating feel due to the misalignment between the engaged spiral teeth can be experienced.

[0069] In addition, since the one-way rotation structure and the other one-way rotation structure share the same spring 55, it is not necessary to provide a spring for each one-way rotation structure, thereby simplifying the structure of the connection structure 5.

[0070] (Structure of the rotation structure)

[0071] Next, with reference to Figures 9 to 11 the structure of the rotation structure 6 will be described in detail.

[0072] Figure 9 is a bottom view of the terminal bracket 11 with the base 1 omitted. Figure 10 is a perspective view of the shaft member 7. Figure 11 is a perspective view of the rotating disk 8.

[0073] As shown Figures 9 to 11 in the figure, the rotation structure 6 according to this embodiment includes a shaft member 61, a spring 62, beads 63, and an annular (specifically, circular) rotating disk 64.

[0074] As shown Figure 9 and Figure 10 in the figure, the shaft member 61 has: a substantially cylindrical shaft body 611 that is inserted into the through hole 22 of the bottom plate 2 (refer to Figure 4 ); a flange plate 612 that is provided on one end surface (upper end surface) of the shaft body 611 in such a manner that it cannot be inserted into the through hole 22 of the bottom plate 2, thereby preventing the bottom plate 2 from falling off from one end side of the shaft body 611; a pair of screw holes 613 that are formed on the other end surface (lower end surface) of the shaft body 611; and a pair of receiving recesses 614 that are formed to extend along the radial direction of the shaft body 611 from the outer periphery of the shaft body 611.

[0075] As shown Figure 9 and Figure 10 in the figure, the spring 62 is received in the receiving recess 614. The bead 63 is provided at one end of the spring 62, and a part of it protrudes from the receiving recess 614.

[0076] As shown Figure 9 and Figure 11 in the figure, the rotating disk 64 is provided on the outer peripheral side of the shaft body 611. The rotating disk 64 has: a large ring portion 641; a small ring portion 642 that is connected to the large ring portion 641 and has the same inner diameter as the large ring portion 641; a plurality of grooves 643 that are formed in the entire inner circumference of the large ring portion 641 and the small ring portion 642 in such a manner that they can receive a part of the beads 63; and a plurality of positioning protrusions 644 as positioned members that protrude from the outer periphery of the small ring portion 642 at a predetermined distance from each other.

[0077] On the contrary, referring to Figure 4 , a substantially circular receiving groove 23 is formed on the bottom surface of the bottom plate 2. The receiving groove 23 can receive the small ring 642 and is communicated with the through hole 22. A plurality of positioning grooves 24 as positioning members protrude outward from the outer periphery of the receiving groove 23, and are formed on the outer peripheral side of the receiving groove 23 at a predetermined distance from each other.

[0078] As shown Figures 9 to 11As shown, by engaging the positioning protrusion 644 with the positioning groove 24, the rotating disk 64 can be positioned on the base plate 2 in such a way that the small ring portion 641 of the rotating disk 64 is received in the receiving groove 23 of the base plate 2. That is, the rotating disk 64 and the base plate 2 are integrated, and there is no relative rotation between them. Next, the shaft body 611 of the shaft member 61 is inserted (i.e., penetrated) through the through hole 22 of the base plate 2 and the inner peripheral side of the rotating disk 64, and the shaft member 61 is fixed to the base 1 by bolts. In this state, the shaft body 611 is located on the inner peripheral side of the rotating disk 64, and a part of the bead 63 provided at one end of the spring 62 is engaged with the groove 643 of the rotating disk 64. When the base plate 2 is rotated, the base plate 2 and the rotating disk 64 rotate integrally, and the spring 62 continuously expands and contracts, causing the bead 63 to be received in different grooves 643, so that the operating feel when rotating the base plate 2 can be experienced.

[0079] In addition, since the large ring portion 641 protrudes from the receiving groove 23 of the base plate 2, the rotating disk 64 (specifically, the large ring portion 641) separates the base 1 from the base plate 2. In other words, by providing the rotating disk 64 (specifically, the large ring portion 641) between the base 1 and the base plate 2, there is a gap between the base 1 and the base plate 2. Thus, during the process of rotating the base plate 2, the bottom surface of the relatively small large ring portion 641 slides in contact with the top surface of the base 1, thereby avoiding the direct sliding contact between the bottom surface of the relatively large base plate 2 and the top surface of the base 1. As a result, the rotation of the base plate 2 becomes smoother.

[0080] In the present embodiment, although the rotating structure 6 is configured to include the rotating disk 64, it is not limited thereto, and it may also be configured without the rotating disk 64. In this case, a plurality of grooves capable of receiving a part of the bead 63 are directly formed on the entire inner periphery of the base plate 2.

[0081] (Function and effect of the present embodiment)

[0082] Hereinafter, the function and effect of the terminal bracket 100 according to the present embodiment will be described.

[0083] A terminal bracket 100 according to this embodiment includes: a bottom plate 2 provided with a connecting seat 21; a rotating arm 3, one end of which is hinged to the connecting seat 21 of the bottom plate 2; a top plate provided with a connecting seat 41, the other end of the rotating arm 3 is hinged to the connecting seat 41 of the top plate 41, and at least one of the connecting seat 21 of the bottom plate 2 at one end of the rotating arm 3 and the connecting seat 41 of the top plate 4 at the other end of the rotating arm 3 is hinged through a connecting structure 5. The connecting structure 5 has: a bolt 51 that penetrates the connecting seats 21 and 41 and is screwed to one end or the other end of the rotating arm 3; a first annular member 52 positioned on the connecting seats 21 and 41 with the bolt 51 on its inner peripheral side, and a plurality of first spiral teeth 521 are formed in a circumferential direction on one end face of the first annular member 52 facing away from the connecting seats 21 and 41; a second annular member 53 positioned on one end or the other end of the rotating arm 3 with the bolt 51 on its inner peripheral side, and a plurality of second spiral teeth 531 are formed in a circumferential direction on one end face of the second annular member 53 facing the first annular member 52; an intermediate annular member 54 sandwiched between the first annular member 52 and the second annular member 53 with the bolt 51 on its inner peripheral side, and a plurality of intermediate spiral teeth 541 that engage with the plurality of first spiral teeth 521 and the plurality of second spiral teeth 531 respectively are formed in a circumferential direction on both end faces of the intermediate annular member 54. When the first annular member 52 rotates relative to the second annular member 53 in a circumferential direction, no relative rotation occurs between the intermediate annular member 54 and the second annular member 53. When the first annular member 52 rotates relative to the second annular member 53 in the other circumferential direction, no relative rotation occurs between the intermediate annular member 54 and the first annular member 52.

[0084] According to this structure, by combining a one-way rotation structure formed by the first annular member 52 and the intermediate annular member 54 and another one-way rotation structure formed by the intermediate annular member 54 and the second annular member 53, it is easy to achieve the two-way rotation of the top plate 4, and it is not easy for the connection between the other end of the rotating arm 3 at the hinge and the top plate connection seat 41 to become loose due to excessive use. As a result, a terminal bracket 100 that is easy to fold and the hinge is not easy to loosen can be provided, thereby extending the service life of the terminal bracket 100. In addition, during the rotation of the top plate 4, the operating feel brought by the misalignment between the engaged spiral teeth can be experienced.

[0085] In addition, in this embodiment, the connecting structure 5 further includes a spring 55 provided on the side of the second annular member 53 facing away from the intermediate annular member 54 to press the second annular member 53 against the intermediate annular member 54.

[0086] According to this structure, since a unidirectional rotation structure and another unidirectional rotation structure share the same spring 55, it is not necessary to provide a spring for each unidirectional rotation structure, thereby simplifying the structure of the connection structure 5.

[0087] In addition, in the present embodiment, an internal thread seat 33 for screwing a bolt 51 and a receiving groove 32 located on the outer peripheral side of the internal thread seat 33 are formed at one end or the other end of the rotating arm 3, and the first ring member 52, the second ring member 53, and the intermediate ring member 54 are received in the receiving groove 32 in a manner supported by the internal thread seat 33 located on the inner peripheral side of these ring members.

[0088] According to this structure, by hiding and receiving the first ring member 52, the second ring member 53, the intermediate ring member 54, and the spring 55 that constitute the connection structure 5 in the receiving groove 32 of the rotating arm 3, it is possible to prevent the first ring member 52, the second ring member 53, the intermediate ring member 54, and the spring 55 from being exposed, thereby improving the overall aesthetics of the terminal bracket 100.

[0089] In addition, in the present embodiment, each first helical tooth 521 includes a first straight wall 521a extending along the axial direction and a first inclined wall 521b extending from the top end of the first straight wall 521a toward the bottom end of an adjacent first straight wall 521a in a circumferential direction, and each second helical tooth 531 includes a second straight wall 531a extending along the axial direction and a second inclined wall 531b extending from the top end of the second straight wall 531a toward the bottom end of an adjacent second straight wall 531a in a circumferential direction.

[0090] According to this structure, it is easy to form a unidirectional rotation structure by the first ring member 52 and the intermediate ring member 54, and it is also easy to form another unidirectional rotation structure by the second ring member 53 and the intermediate ring member 54.

[0091] In addition, in the present embodiment, the terminal bracket 100 further includes a base 1 and a rotation structure 6, and the bottom plate 2 is rotatably provided on the base 1 through the rotation structure 6. The rotation structure 6 has: a shaft member 61 that is inserted into the bottom plate 2 and fixed to the base 1; a receiving recess 614 formed to extend radially from the outer periphery of the shaft member 61; a spring 62 received in the receiving recess 614; a bead 63 provided at one end of the spring 62; an annular rotating disk 64 provided on the outer peripheral side of the shaft member 61 and positioned on the bottom plate 2; and a plurality of grooves 643 formed in the entire inner periphery of the rotating disk 64 in a manner capable of receiving the bead 63. The rotating disk 64 is provided between the base 1 and the bottom plate 2, creating a gap between the base 1 and the bottom plate 2.

[0092] According to this structure, when the bottom plate 2 is rotated, the bottom plate 2 rotates integrally with the rotating disk 64, and the spring 62 continuously expands and contracts, so that the beads 63 are received in different grooves 643, thereby enabling the operating feel when the bottom plate 2 is rotated to be experienced.

[0093] In addition, during the process of rotating the bottom plate 2, the bottom surface of the relatively small rotating disk 64 is brought into sliding contact with the top surface of the base 1, thereby avoiding the direct sliding contact between the bottom surface of the relatively large bottom plate 2 and the top surface of the base 1. As a result, the rotation of the bottom plate 2 becomes smoother.

[0094] As described above, although the present embodiment and each modification have been described, the above-described embodiment and each modification merely represent application examples of the present invention, and do not mean to limit the technical scope of the present invention to the specific structures of the above-described embodiment.

Claims

1. A terminal bracket, comprising: A bottom plate provided with a connection seat; A rotating arm, one end of which is hinged to the connection seat of the bottom plate; A top plate provided with a connection seat, the other end of the rotating arm being hinged to the connection seat of the top plate, At least one of the connection between one end of the rotating arm and the connection seat of the bottom plate and the connection between the other end of the rotating arm and the connection seat of the top plate is hinged through a connection structure, The connection structure has: A bolt that penetrates the connection seat and is screwed with one end or the other end of the rotating arm; A first ring-shaped member positioned on the connection seat with the bolt on its inner peripheral side, and a plurality of first spiral teeth are formed in a circumferential direction on one end face of the first ring-shaped member facing away from the connection seat; A second ring-shaped member positioned on one end or the other end of the rotating arm with the bolt on its inner peripheral side, and a plurality of second spiral teeth are formed in a circumferential direction on one end face of the second ring-shaped member facing the first ring-shaped member; An intermediate ring-shaped member clamped between the first ring-shaped member and the second ring-shaped member with the bolt on its inner peripheral side, and a plurality of intermediate spiral teeth that engage with the plurality of first spiral teeth and the plurality of second spiral teeth respectively are formed in a circumferential direction on both end faces of the intermediate ring-shaped member, When the first ring-shaped member rotates relative to the second ring-shaped member in a circumferential direction, no relative rotation occurs between the intermediate ring-shaped member and the second ring-shaped member, When the first ring-shaped member rotates relative to the second ring-shaped member in the other circumferential direction, no relative rotation occurs between the intermediate ring-shaped member and the first ring-shaped member; An internal thread seat for screwing the bolt is formed on one end or the other end of the rotating arm, and a receiving groove is located on the outer peripheral side of the internal thread seat, The first ring-shaped member, the second ring-shaped member, and the intermediate ring-shaped member are received in the receiving groove in a manner supported by the internal thread seat located on the inner peripheral sides of these ring-shaped members; Each of the first spiral teeth includes a first straight wall extending along the axial direction and a first inclined wall extending from the top end of the first straight wall to the bottom end of an adjacent first straight wall in a circumferential direction, Each of the second spiral teeth includes a second straight wall extending along the axial direction and a second inclined wall extending from the top end of the second straight wall to the bottom end of an adjacent second straight wall in a circumferential direction; It further includes a base and a rotating structure, The bottom plate is rotatably provided on the base through the rotating structure, The rotating structure has: A shaft member inserted into the bottom plate and fixed to the base; A receiving recess formed to extend radially from the outer periphery of the shaft member; A spring received in the receiving recess; A bead provided at one end of the spring; A ring-shaped rotating disk provided on the outer peripheral side of the shaft member and positioned on the bottom plate; A plurality of grooves are formed on the entire inner circumference of the rotating disk in a manner capable of receiving the beads, The rotating disk is disposed between the base and the bottom plate, creating a gap between the base and the bottom plate.

2. A terminal bracket, comprising: A bottom plate provided with a connecting seat; A rotating arm, one end of which is hinged to the connecting seat of the bottom plate; A top plate provided with a connecting seat, the other end of the rotating arm being hinged to the connecting seat of the top plate, At least one of the connection between one end of the rotating arm and the connecting seat of the bottom plate and the connection between the other end of the rotating arm and the connecting seat of the top plate is hinged by a connection structure, The connection structure has: A bolt passing through the connecting seat and screwing with one end or the other end of the rotating arm; A first annular member positioned on the connecting seat with the bolt on its inner peripheral side, and a plurality of first spiral teeth are formed in a circumferential direction over the entire end face of the first annular member facing away from the connecting seat; A second annular member positioned on one end or the other end of the rotating arm with the bolt on its inner peripheral side, and a plurality of second spiral teeth are formed in a circumferential direction over the entire end face of the second annular member facing the first annular member; An intermediate annular member sandwiched between the first annular member and the second annular member with the bolt on its inner peripheral side, and a plurality of intermediate spiral teeth engaging with the plurality of first spiral teeth and the plurality of second spiral teeth respectively are formed in a circumferential direction over the entire two end faces of the intermediate annular member, When the first annular member rotates relative to the second annular member in a circumferential direction, no relative rotation occurs between the intermediate annular member and the second annular member, When the first annular member rotates relative to the second annular member in the other circumferential direction, no relative rotation occurs between the intermediate annular member and the first annular member; An internal thread seat for screwing the bolt and a receiving groove located on the outer peripheral side of the internal thread seat are formed at one end or the other end of the rotating arm, The first annular member, the second annular member, and the intermediate annular member are received in the receiving groove in a manner supported by the internal thread seat located on the inner peripheral side of these annular members; Each of the first spiral teeth includes a first straight wall extending along the axial direction and a first inclined wall extending from the top end of the first straight wall to the bottom end of an adjacent first straight wall in a circumferential direction; Each of the second spiral teeth includes a second straight wall extending along the axial direction and a second inclined wall extending from the top end of the second straight wall to the bottom end of an adjacent second straight wall in a circumferential direction; It further includes a base and a rotating structure, The bottom plate is disposed on the base in a rotatable manner through the rotating structure, The rotating structure has: A shaft member inserted into the bottom plate and fixed to the base; A receiving recess formed to extend radially from the outer periphery of the shaft member; A spring received in the receiving recess; A bead provided at one end of the spring; A plurality of grooves formed over the entire inner circumference of the bottom plate in a manner capable of receiving the bead.

3. The terminal bracket according to claim 1 or 2, wherein, The connecting structure further includes a force applying member disposed on a side of the second annular member facing away from the intermediate annular member to press the second annular member against the intermediate annular member.

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