Movable doll model leg joint

Abstract

The utility model discloses a movable doll model leg joint, the movable doll model leg joint comprises a simulation trunk part and a simulation thigh part, the upper end of the simulation thigh part is provided with a ball head structure, and one end of the ball head structure extends into a spherical cavity of the simulation trunk part and is in running fit with the simulation trunk part; a U-shaped groove is formed in the inner side of the top of the ball head structure, and a protruding part or a concave part is arranged on the side face of the U-shaped groove and rotationally matched with the concave part or the protruding part in the spherical cavity of the simulation trunk part. In order to solve the problem that in the prior art, after a common doll model leg joint is used and worn for a long time, the joint part cannot be fixed and limited after being worn, flexible adjustment and rotation can be carried out, so that the rotation movement is smoother.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of doll joint, in particular to a movable doll model leg joint. BACKGROUND

[0002] The joint design of a doll, in particular a ball jointed doll (BJD), is a key part in the making of a doll, which gives the doll high flexibility and mobility. A ball jointed doll is a delicate movable doll with a special ball joint structure. This joint design allows the doll to make many poses close to a real person, and the doll can change clothes, makeup, and hairstyle at will.

[0003] Some existing doll joints can rotate at multiple angles at will, but during use, especially after long-term use, the ball head part is prone to gap loosening due to wear, thereby causing the problem of being unable to maintain a fixed position normally.

[0004] That is, the prior art has the following technical problems: the ordinary joint ball head part is prone to gap loosening due to wear after long-term use. Therefore, the movable doll model leg joint is proposed to solve the above problems. SUMMARY

[0005] The movable doll model leg joint is provided in the embodiment to solve the problem that the ordinary joint ball head part is prone to gap loosening due to wear after long-term use in the prior art.

[0006] According to one aspect of the present application, a movable doll model leg joint is provided, which comprises:

[0007] a simulated torso, wherein a ball cavity is formed on both sides of the simulated torso;

[0008] a simulated thigh, wherein a ball head structure is arranged at the upper end of the simulated thigh, one end of the ball head structure extends into the ball cavity of the simulated torso and is rotationally connected with the simulated torso;

[0009] a simulated knee, wherein the simulated knee is arranged at the bottom end of the simulated thigh and is rotationally connected with the simulated thigh, and a simulated shank is rotationally connected with the bottom end of the simulated knee;

[0010] the ball head structure, wherein a U-shaped groove is formed on the top inner side of the ball head structure, and a protruding part or a recessed part is arranged on the side surface of the U-shaped groove and is rotationally connected with the recessed part or the protruding part in the ball cavity of the simulated torso.

[0011] Further, the U-shaped groove is in an arc shape.

[0012] Further, a damping adjusting assembly is arranged inside the simulated trunk, which is used for adjusting the rotation damping of the ball head structure.

[0013] A lubricating assembly is arranged inside the simulated thigh, which is used for lubricating the ball head structure.

[0014] Further, the damping adjusting assembly comprises a damping block, a moving slider, a connecting spring, a fixed block, a threaded rod, a bevel gear A, a rotating rod, a bevel gear B, a bevel gear C, a bevel gear D, a connecting rod and an adjusting disc, both sides of the simulated trunk are internally provided with cavities, the damping block is slidably connected in the cavity of the simulated trunk, the moving slider is slidably connected in the cavity of the simulated trunk, and the connecting spring is fixedly connected between the moving slider and the damping block.

[0015] Further, the moving slider is internally provided with a cavity, the fixed block is fixedly connected in the cavity of the moving slider, the threaded rod is rotatably connected to the upper wall of the cavity of the simulated trunk, and the threaded rod penetrates through the fixed block and is in threaded connection with the fixed block.

[0016] Further, the bevel gear A is fixedly connected to the arc-shaped wall of the threaded rod, the rotating rod is rotatably connected to the inside of the simulated trunk, one end of the rotating rod is fixedly connected with the bevel gear B, the bevel gear B and the bevel gear A are in meshing connection with each other, and the other end of the rotating rod is fixedly connected with the bevel gear C.

[0017] Further, the adjusting disc is rotatably connected to the outer wall of the simulated trunk, one end of the adjusting disc is fixedly connected with one end of the connecting rod, the other end of the connecting rod extends into the cavity of the simulated trunk, one end of the connecting rod is fixedly connected with the bevel gear D, and the bevel gear D and the bevel gear C are in meshing connection with each other.

[0018] Further, the ball head structure is internally provided with a cavity, the circular sponge block is fixedly arranged in the cavity of the ball head structure, and a plurality of small holes are formed in the side wall of the cavity of the ball head structure.

[0019] Further, the lubricating assembly comprises a fixed cylinder, a moving piston, a moving guide rod, a fixed plate, an input hose, a reset spring and an oil bag, one end of the ball head structure extends into the cavity of the simulated thigh and is in sliding connection with the simulated thigh, the fixed plate is fixedly arranged in the cavity of the simulated thigh, and the moving guide rod is fixedly connected to the upper surface of the fixed plate.

[0020] Further, one end of the moving guide rod extends into the cavity of the fixed cylinder, the moving piston is slidably connected in the cavity of the fixed cylinder, and one end of the moving guide rod is fixedly connected with the moving piston.

[0021] Furthermore, one end of a connecting pipe is fixedly connected to the upper end of the inner cavity of the fixed cylinder, and the other end of the connecting pipe extends into the interior of the circular sponge block and is fixedly connected to the circular sponge block. An output one-way valve is installed on the connecting pipe.

[0022] Furthermore, one end of an input hose is fixedly installed in the inner cavity of the fixed cylinder, the other end of the input hose extends into the inner cavity of the oil bladder and is fixedly connected to the oil bladder, an input one-way valve is installed on the input hose, the inner cavity of the oil bladder is filled with lubricating oil, one end of a return spring is fixedly connected to the bottom end of the fixed cylinder, and the other end of the return spring is fixedly connected to the upper surface of the fixed plate.

[0023] To address the problem in existing technologies where leg joints of ordinary doll models become worn and unable to be fixed after prolonged use, this application utilizes a U-shaped groove on the inner side of the top of a ball joint structure to engage with the simulated torso during rotation. The side of the U-shaped groove has protrusions or recesses that engage with the recesses or protrusions within the spherical cavity of the simulated torso. Furthermore, a damping adjustment component is designed to flexibly adjust the damping during rotation, allowing for increased damping to achieve fixation when fixation fails. To further address the problem in existing technologies where ordinary joint connections corrode and jam after prolonged use, a lubrication component is designed to lubricate the connection gaps, providing automatic lubrication and smoother rotation. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the overall structure of one embodiment of this application;

[0026] Figure 2 This is a side view of one embodiment of the present application;

[0027] Figure 3 This is a schematic diagram of the internal structure of one embodiment of this application;

[0028] Figure 4 This is one embodiment of the present application. Figure 3 A magnified structural diagram of point A;

[0029] Figure 5 The structure diagram of the adjusting disc of one embodiment of the present application;

[0030] Figure 6 The structure diagram of the lubricating assembly of one embodiment of the present application.

[0031] In the figure: simulated torso 1, simulated thigh 2;

[0032] Ball head structure 3, round sponge block 301, small hole 302, connecting pipe 303;

[0033] Simulated knee 4, simulated calf 5;

[0034] Damping adjusting assembly 6, damping block 601, moving slider 602, connecting spring 603, fixed block 604, threaded rod 605, bevel gear A 606, rotating rod 607, bevel gear B 608, bevel gear C 609, bevel gear D 610, connecting rod 611, adjusting disc 612;

[0035] Lubricating assembly 7, fixed cylinder 701, moving piston 702, moving guide rod 703, fixed plate 704, input hose 705, oil bag 706, reset spring 707. DETAILED DESCRIPTION

[0036] In order to make the person skilled in the art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without making creative labor should belong to the protection scope of the present application.

[0037] It should be noted that the terms “first”, “second”, and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms “include” and “have” and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0038] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0039] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned partial terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific situation.

[0040] In addition, the terms "mounting", "setting", "provided with", "connected", "connected", "sleeved" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.

[0041] Please refer to Figures 1-6 The movable doll leg joint shown in the figure comprises:

[0042] A simulated torso 1 is provided with a spherical cavity on both sides;

[0043] A simulated thigh 2 is provided with a ball head structure 3 at the upper end, one end of the ball head structure 3 extending into the spherical cavity of the simulated torso 1 and rotatingly matched with the simulated torso 1;

[0044] A simulated knee 4 is provided at the bottom end of the simulated thigh 2 and rotatingly connected with the simulated thigh 2, and a simulated calf 5 is rotatingly connected with the bottom end of the simulated knee 4;

[0045] The ball head structure 3 is formed with a U-shaped groove on the top inner side, and the side surface of the U-shaped groove is provided with a protruding part or a recessed part, which is rotatingly matched with the recessed part or the protruding part in the spherical cavity of the simulated torso 1.

[0046] The U-shaped groove is arc-shaped.

[0047] The movable doll leg joint further comprises:

[0048] A damping adjusting assembly 6 is arranged inside the simulated trunk 1, and is used to adjust the rotational damping of the ball head structure 3.

[0049] A lubricating assembly 7 is arranged inside the simulated thigh 2, and is used to lubricate the ball head structure 3.

[0050] Through the above technical scheme, the damping adjusting assembly 6 can be flexibly adjusted to increase the damping when it cannot be fixed, thereby achieving the function of fixation. Furthermore, in order to solve the problem of rusting and jamming of the ordinary joint connection after long-term use in the prior art, the lubricating assembly 7 is designed, which can lubricate the connection gap and automatically lubricate the connection gap, so that the rotation is more smooth.

[0051] The damping adjusting assembly 6 comprises a damping block 601, a moving slider 602, a connecting spring 603, a fixed block 604, a threaded rod 605, a bevel gear A 606, a rotating rod 607, a bevel gear B 608, a bevel gear C 609, a bevel gear D 610, a connecting rod 611 and an adjusting disc 612. The simulated trunk 1 is internally provided with an inner cavity on both sides, the damping block 601 is slidably connected in the inner cavity of the simulated trunk 1, the moving slider 602 is slidably connected in the inner cavity of the simulated trunk 1, and the connecting spring 603 is fixedly connected between the moving slider 602 and the damping block 601.

[0052] The moving slider 602 is internally provided with an inner cavity, the fixed block 604 is fixedly connected in the inner cavity of the moving slider 602, the threaded rod 605 is rotatably connected to the inner cavity of the simulated trunk 1, and the threaded rod 605 penetrates through the fixed block 604 and is threadedly connected with the fixed block 604.

[0053] The threaded rod 605 is fixedly connected with the bevel gear A 606 at the arc-shaped wall, the rotating rod 607 is rotatably connected inside the simulated trunk 1, the bevel gear B 608 is fixedly connected to one end of the rotating rod 607, the bevel gear B 608 and the bevel gear A 606 are meshed with each other, and the bevel gear C 609 is fixedly connected to the other end of the rotating rod 607.

[0054] The outer wall of the simulation trunk part 1 is rotationally connected with an adjusting disc 612, one end of the adjusting disc 612 is fixedly connected with one end of a connecting rod 611, the other end of the connecting rod 611 extends into the inner cavity of the simulation trunk part 1, one end of the connecting rod 611 is fixedly connected with a bevel gear D 610, the bevel gear D 610 is meshed with a bevel gear C 609, through the technical scheme, when the ball head structure 3 cannot be normally fixed due to wear after long-time use, the adjusting disc 612 can be rotated, the connecting rod 611 can be driven to rotate through the adjusting disc 612, and then the bevel gear D 610 is rotated, the bevel gear C 609 is driven to rotate through the rotation of the bevel gear D 610, the bevel gear B 608 is driven to rotate through the rotation of the bevel gear C 609, the bevel gear A 606 is driven to rotate through the rotation of the bevel gear B 608, the threaded rod 605 is driven to rotate through the rotation of the bevel gear A 606, the fixed block 604 is driven to move through the rotation of the threaded rod 605, the moving block 602 is driven to move, the damping block 601 is driven to move through the movement of the moving block 602, and the damping block 601 is in contact with the ball head structure 3 through the compression of the connecting spring 603, compression elastic force is generated, the damping block 601 is tightly pressed against the arc-shaped wall of the ball head structure 3, damping is generated on the ball head structure 3, self-locking is realized after the angle position is adjusted, the problem that the ball head structure 3 cannot be fixed due to wear after long-time rotation is avoided, the compression amount of the connecting spring 603 is controlled, the friction force generated by the damping block 601 tightly pressing against the ball head structure 3 is controlled, and thus the damping is controlled.

[0055] The ball head structure 3 is internally provided with an inner cavity, a circular sponge block 301 is fixedly arranged in the inner cavity of the ball head structure 3, and a plurality of small holes 302 are formed in the inner cavity side wall of the ball head structure 3.

[0056] The lubricating assembly 7 comprises a fixed cylinder 701, a moving piston 702, a moving guide rod 703, a fixed plate 704, an input hose 705, a reset spring 707 and an oil bag 706, one end of the ball head structure 3 extends into the inner cavity of the simulation thigh part 2 and is in sliding fit with the simulation thigh part 2, the fixed plate 704 is fixedly arranged in the inner cavity of the simulation thigh part 2, and the moving guide rod 703 is fixedly connected to the upper surface of the fixed plate 704.

[0057] One end of the moving guide rod 703 extends into the inner cavity of the fixed cylinder 701, the moving piston 702 is in sliding connection with the inner cavity of the fixed cylinder 701, and one end of the moving guide rod 703 is fixedly connected with the moving piston 702.

[0058] One end of the connecting pipe 303 is fixedly connected to the upper end of the inner cavity of the fixing cylinder 701, the other end of the connecting pipe 303 extends to the inside of the circular sponge block 301 and is fixedly connected with the circular sponge block 301, and an output check valve is installed on the connecting pipe 303.

[0059] One end of the input hose 705 is fixedly arranged in the inner cavity of the fixing cylinder 701, the other end of the input hose 705 extends to the inner cavity of the oil bag 706 and is fixedly connected with the oil bag 706, an input check valve is installed on the input hose 705, the inner cavity of the oil bag 706 is filled with lubricating oil, one end of the reset spring 707 is fixedly connected to the bottom end of the fixing cylinder 701, and the other end of the reset spring 707 is fixedly connected with the upper surface of the fixing plate 704, through the technical solution, when the gap between the rotating parts is stuck due to rust after long-term use, the ball head structure 3 can be repeatedly pressed downward, the fixing cylinder 701 can be driven to be repeatedly pressed downward through the ball head structure 3, the moving piston 702 can reciprocate in the inner cavity of the fixing cylinder 701 through the repeatedly pressed downward of the fixing cylinder 701, when the moving piston 702 moves downward, the lubricating oil in the inner cavity of the oil bag 706 can be sucked, when the moving piston 702 moves upward in the inner cavity of the fixing cylinder 701, the lubricating oil can be delivered to the circular sponge block 301 through the connecting pipe 303, and then penetrates to the gap through the small hole 302, so as to realize the lubricating function, thereby realizing the better lubricating effect.

[0060] The above only describes the preferred embodiments of the present application and is not used to limit the present application, for those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A movable leg joint for a doll model, characterized in that: The movable puppet model's leg joints include: A simulated torso (1) is provided with spherical cavities on both sides of the simulated torso (1); A simulated thigh (2) is provided with a ball head structure (3) at the upper end of the simulated thigh (2). One end of the ball head structure (3) extends into the spherical cavity of the simulated torso (1) and rotates with the simulated torso (1). A simulated knee (4) is provided at the bottom of a simulated thigh (2) and is rotatably connected to the simulated thigh (2); A simulated lower leg (5) is rotatably connected to the bottom end of a simulated knee (4); The ball head structure (3) has a U-shaped groove formed on the inner side of the top. The side of the U-shaped groove has a protrusion or a recess, which rotates and cooperates with the recess or protrusion in the spherical cavity of the simulated torso (1).

2. The movable human figure leg joint according to claim 1, characterized in that: The U-shaped groove is arc-shaped.

3. The movable puppet model leg joint according to claim 1, characterized in that: Also includes: Damping adjustment component (6), the damping adjustment component (6) is disposed inside the simulated torso (1), the damping adjustment component (6) is used to adjust the rotational damping of the ball head structure (3); A lubrication assembly (7) is disposed inside the simulated thigh (2) and is used to lubricate the ball head structure (3).

4. The movable puppet model leg joint according to claim 3, characterized in that: The damping adjustment assembly (6) includes a damping block (601), a movable slider (602), a connecting spring (603), a fixed block (604), a threaded rod (605), a bevel gear A (606), a rotating rod (607), a bevel gear B (608), a bevel gear C (609), a bevel gear D (610), a connecting rod (611), and an adjustment disc (612). Both sides of the simulated torso (1) are provided with internal cavities. The damping block (601) is slidably connected in the internal cavity of the simulated torso (1). The movable slider (602) is slidably connected in the internal cavity of the simulated torso (1). The connecting spring (603) is fixedly connected between the movable slider (602) and the damping block (601).

5. The movable human figure leg joint according to claim 4, characterized in that: The movable slider (602) has an internal cavity, and a fixed block (604) is fixedly connected in the internal cavity of the movable slider (602). A threaded rod (605) is rotatably connected to the upper wall of the internal cavity of the simulated torso (1). The threaded rod (605) passes through the fixed block (604) and is threadedly engaged with the fixed block (604).

6. The movable human figure leg joint according to claim 4, characterized in that: A bevel gear A (606) is fixedly connected to the arc-shaped wall of the threaded rod (605). A rotating rod (607) is rotatably connected inside the simulated torso (1). A bevel gear B (608) is fixedly connected to one end of the rotating rod (607). The bevel gear B (608) meshes with the bevel gear A (606). A bevel gear C (609) is fixedly connected to the other end of the rotating rod (607).

7. The movable human figure leg joint according to claim 4, characterized in that: An adjustment disc (612) is rotatably connected to the outer wall of the simulated torso (1). One end of the adjustment disc (612) is fixedly connected to one end of a connecting rod (611). The other end of the connecting rod (611) extends into the inner cavity of the simulated torso (1). A bevel gear D (610) is fixedly connected to one end of the connecting rod (611). The bevel gear D (610) meshes with the bevel gear C (609).

8. The movable human figure leg joint according to claim 3, characterized in that: The lubrication assembly (7) includes a fixed cylinder (701), a movable piston (702), a movable guide rod (703), a fixed plate (704), an input hose (705), a return spring (707), and an oil bladder (706). One end of the ball head structure (3) extends into the inner cavity of the simulated thigh (2) and slides with the simulated thigh (2). The fixed plate (704) is fixedly installed in the inner cavity of the simulated thigh (2), and the movable guide rod (703) is fixedly connected to the upper surface of the fixed plate (704).

9. The movable human figure leg joint according to claim 8, characterized in that: One end of the movable guide rod (703) extends into the inner cavity of the fixed cylinder (701), and a movable piston (702) is slidably connected in the inner cavity of the fixed cylinder (701). One end of the movable guide rod (703) is fixedly connected to the movable piston (702).

10. The movable humanoid model leg joint according to claim 9, characterized in that: One end of an input hose (705) is fixedly installed in the inner cavity of the fixed cylinder (701). The other end of the input hose (705) extends into the inner cavity of the oil bladder (706) and is fixedly connected to the oil bladder (706). An input one-way valve is installed on the input hose (705). The inner cavity of the oil bladder (706) is filled with lubricating oil. One end of a return spring (707) is fixedly connected to the bottom end of the fixed cylinder (701). The other end of the return spring (707) is fixedly connected to the upper surface of the fixed plate (704).

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