WO2022083530A1

WO2022083530A1 - Figurine ball joint and figurine skeleton

Info

Publication number: WO2022083530A1
Application number: PCT/CN2021/124338
Authority: WO
Inventors: 郭洁
Original assignee: 中山市金三模特道具有限公司
Priority date: 2020-10-20
Filing date: 2021-10-18
Publication date: 2022-04-28
Also published as: CN112169349A

Abstract

Disclosed in the present invention is a figurine ball joint, comprising a base, at least one joint socket disposed in the base, a ball head, a pressing plate, and an elastic body; the joint socket and the elastic body are disposed in a cavity of the base, and the joint socket is provided with an inner spherical surface matching the spherical surface of the ball head, the depth of the inner spherical surface being less than the radius of the ball head, and the ball head being matched and connected to the inner spherical surface; a pressing plate through hole is disposed on the pressing plate, and the diameter of the pressing plate through hole is less than the diameter of the ball head in order to form a first spacing between the pressing plate and the joint socket. Also disclosed in the present invention is a figurine skeleton, comprising joints and a spine, the joints and the spine being composed of the figurine ball joints. Compared to the prior art, the realness of the figurine is improved and the problem of the unavoidable wear of the ball head and the inner spherical surface over long-term use is prevented, the ball head and the inner spherical surface always maintaining zero clearance.

Description

Puppet ball joints and puppet skeleton

technical field

The invention relates to a puppet, in particular to a puppet spherical joint and a puppet skeleton.

Background technique

At present, physical dolls are loved by many consumers. In order to restore the joint effect of the real human body, the skeleton part of the physical doll (doll) often adopts the articulation method shown in Figure 7 as the joints and spine of the doll skeleton. This structure has the following shortcomings: 1. The range of motion is insufficient, and only one-way forward and backward rotation can be achieved; 2. The hinged parts are severely worn after repeated rotation and friction, resulting in joint loosening, but cannot be repaired; 3. The friction between the hinged parts The force is uncontrollable. In order to maintain the posture of the corresponding limb, the hinge will be screwed very tightly during assembly, resulting in the end consumer using a lot of force to rotate the joint. Due to many problems in the way of articulation, the final product cannot well imitate the joint effect of the real human body.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a puppet spherical joint and a puppet skeleton, and the technical problem to be solved is to improve the simulation degree and the wear resistance of the joint.

In order to solve the above problems, the present invention adopts the following technical solutions to realize: a doll spherical joint, comprising a base, at least one joint socket, a ball head, a pressure plate and an elastic body arranged in the base; the number of the ball head and the pressure plate is related to the joint The number of sockets is equal; the base has a base cavity, the joint socket and the elastic body are arranged in the base cavity, the joint socket can move linearly along the axis direction of the base cavity, and the side of the joint socket away from the elastic body is provided with a spherical surface of the ball head. Fitted inner spherical surface, the depth of the inner spherical surface is less than the radius of the ball head, and the ball head is connected with the inner spherical surface; after the joint socket is subjected to external force, the elastic body is compressed and deformed, and after the joint socket loses the external force, the elastic body is reset and pushed The joint socket is reset together; there is a pressure plate through hole on the pressure plate, and the diameter of the pressure plate through hole is smaller than the diameter of the ball head, so as to form a first distance between the pressure plate and the joint socket; the pressure plate is fixed on the base at one end of the joint socket to prevent Keep the ball head confined to the socket.

The pressure plate is provided with a ball head guide groove that communicates with the through hole of the pressure plate, the edge of the joint socket is provided with a first gap that communicates with the inner spherical surface, the base is provided with a second gap on the edge of one end of the joint socket, and the second gap is provided on the edge of the joint socket. The gap is communicated with the base cavity, and the first gap and the second gap are opposite to the ball head guide groove.

The pressure plate is provided with a ball head straight through groove that penetrates the opposite ends of the pressure plate and communicates with the through hole of the pressure plate to divide the pressure plate into two halves. The gaps are respectively provided with second gaps on the opposite edges of one end of the base located in the joint socket, the second gaps communicate with the base cavity, and the first gaps and the second gaps are opposite to the ball guide groove.

A joint socket limiting groove is provided on the cavity wall of the base cavity, the joint socket limiting groove extends along the axial direction of the base cavity, and a limiting convex strip matching the joint socket limiting groove is arranged on the outer wall of the joint socket .

Further, the elastic body is a compression spring.

Further, an elastic body limiting column is provided on the opposite end of the joint socket and the elastic body, the elastic body is sleeved on the elastic body limiting column, and a second distance is set between the elastic body limiting column and the bottom of the base cavity.

Further, there are two joint sockets, the base cavity has two openings, so that the base cavity forms a through cavity, the two joint sockets are respectively arranged in opposite ends of the base cavity, and the elastic body is arranged between the two joint sockets. between.

Further, the end of the joint socket opposite to the elastic body is provided with an elastic body limiting column, the elastic body is sleeved on the two elastic body limiting columns, and a second distance is set between the two elastic body limiting columns.

The invention also discloses a puppet skeleton, which includes joints and a spine, and the joints and the spine are composed of the puppet spherical joints.

Compared with the prior art, the present invention can realize multi-directional rotation by arranging an elastic body, a joint socket, a ball head and a pressure plate in a base to simulate the rotation of the joint and the spine, and the elastic body can realize the ease of movement under stress conditions. After the rotation is completed, the elastic body can squeeze the joint socket and the ball head to each other and provide enough friction, so that the joint or spine can maintain the rotated posture to meet the needs of use. In order to achieve the simulation degree of the doll, the elastic body is used, which has a certain amount of compression in use. As the ball head and the inner spherical surface are worn, the elastic body can support the joint socket, so that the inner spherical surface and the ball head are in contact, so as to overcome the The wear problem of the ball head and the inner spherical surface cannot be avoided in long-term use, so that the ball head and the inner spherical surface always maintain zero clearance.

Description of drawings

FIG. 1-1 is a schematic structural diagram of a doll spherical joint according to Embodiment 1 of the present invention.

1-2 is a schematic diagram of the external structure of the doll ball joint according to Embodiment 1 of the present invention.

1-3 are exploded schematic views of the puppet spherical joint according to Embodiment 1 of the present invention.

1-4 are cross-sectional views of the doll ball joint according to Embodiment 1 of the present invention.

FIG. 2-1 is a schematic structural diagram of a doll spherical joint according to Embodiment 2 of the present invention.

2-2 is a schematic diagram of the external structure of the doll ball joint according to the second embodiment of the present invention.

2-3 is an exploded schematic view of the puppet spherical joint according to the second embodiment of the present invention.

2-4 are cross-sectional views of the doll ball joint according to Embodiment 2 of the present invention.

3-1 is a schematic structural diagram of a doll spherical joint according to Embodiment 3 of the present invention.

3-2 is a schematic diagram of the external structure of the doll ball joint according to the third embodiment of the present invention.

3-3 is an exploded schematic view of the puppet spherical joint according to Embodiment 3 of the present invention.

3-4 are cross-sectional views of a doll ball joint according to Embodiment 3 of the present invention.

4-1 is a schematic structural diagram of a doll spherical joint according to Embodiment 4 of the present invention.

4-2 is a schematic diagram of the external structure of the doll ball joint according to the fourth embodiment of the present invention.

4-3 is an exploded schematic view of the puppet spherical joint according to Embodiment 4 of the present invention.

4-4 is a cross-sectional view of a doll ball joint according to Embodiment 4 of the present invention.

5-1 is a schematic structural diagram of a doll spherical joint according to Embodiment 5 of the present invention.

5-2 is a schematic diagram of the external structure of the doll ball joint according to the fifth embodiment of the present invention.

5-3 is an exploded schematic view of the puppet spherical joint according to Embodiment 5 of the present invention.

5-4 is a cross-sectional view of a doll ball joint according to Embodiment 5 of the present invention.

FIG. 6 is a schematic view of the structure of the doll skeleton of the present invention.

FIG. 7 is a schematic structural diagram of the prior art.

FIG. 8 is a schematic structural diagram of the base having an extension section of the present invention.

Detailed ways

The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

Example 1:

As shown in Figure 1-1, Figure 1-2, Figure 1-3 and Figure 1-4, it is a schematic diagram of the structure of the first kind of puppet spherical joint of the present invention, and the first kind of puppet spherical joint can be used as a puppet The basic structure of joints and spine in the skeleton is used, which includes a base 1, at least one joint socket 2 provided in the base 1, a ball head 3, a pressure plate 4 and an elastic body 5; in the present invention, the ball head 3, the pressure plate 4 The number is equal to the number of joint sockets 2; in this structure, the base 1 has a base cavity 11, the base cavity 11 penetrates one end surface of the base 1 to form an opening, the elastic body 5 is placed in the base cavity 11, the elastic body One end of the socket 5 is in contact with the bottom of the base cavity 11, the joint socket 2 is placed on the open end of the base cavity 11, the joint socket 2 can move linearly along the axis of the base cavity 11, on the side of the joint socket 2 away from the elastic body 5 There is an inner spherical surface 21 that is adapted to the spherical surface of the ball head 3, the depth of the inner spherical surface 21 is less than the radius of the ball head 3, and the ball head 3 is adapted to connect with the inner spherical surface 21; a pressure plate through hole 41 is provided on the pressure plate 4 , the diameter of the through hole 41 of the pressure plate is smaller than the diameter of the ball head 3, and the ball head 3 is limited by the pressure plate 4, thereby forming a first distance 26 between the pressure plate 4 and the joint socket 2, and the first distance 26 is used to overcome the distance between the ball head 3 and the joint socket 2. The wear problem of the inner spherical surface 21, the first distance 26 is 0.2-0.5mm; the pressure plate 4 is fixed on the open end of the base 1 located in the joint socket 2, so that the ball head 3 is limited to the joint socket 2 and cannot be detached. Part of the spheres are exposed from the through holes 41 of the pressing plate.

When the ball head 3 is rotated, the joint socket 2 moves towards the elastic body 5 after being subjected to an external force, so that the elastic body 5 is deformed under pressure, and the movable space of the ball 3 is increased, so that it can rotate in any direction; after the joint socket 2 loses the external force, it is elastic The body 5 is reset and pushes the joint socket 2 to reset together, and the ball head 3 cannot be rotated by the compression of the joint socket and the pressing plate 4, thereby realizing the positioning of the ball head 3.

As shown in Fig. 1-1, Fig. 1-2, Fig. 1-3 and Fig. 1-4, a connecting post 31 for connection is provided on the part of the sphere where the ball head 3 is exposed outside the through hole 41 of the pressing plate, so as to satisfy the Connect with other components.

As shown in Figures 1-2, in the present invention, the shape of the base 1 is a cylinder, the base cavity 11 extends along the axis direction of the base 1, and the pressing plate 4 is a circular sheet. There is a round boss 12 on it, the diameter of the pressure plate 4 is equal to the diameter of the boss 12 and is fastened on the boss 12 by screws; there are threads on the outer wall of the base 1 or on the end of the base 1 away from the ball head 3 An extension 15 (shown in Figure 8) is provided to allow connection with other components.

As shown in FIGS. 1-3 , the shape of the joint socket 2 is a cylinder, and its length is smaller than the length of the base cavity 11 .

As shown in FIGS. 1-3 and 1-4 , a joint socket limiting groove 13 is provided on the cavity wall of the base cavity 11 , and the joint socket limiting groove 13 extends along the axial direction of the base cavity 11 . The outer wall is provided with a limit protruding strip 23 that is matched with the joint socket limit groove 13, so that the joint socket 2 is restricted from moving along the axis direction of the base cavity 11; specifically, the joint socket limit groove 13 is provided with a plurality of , a circle is arranged along the cavity wall of the base cavity 11 . Correspondingly, the number of limit protruding strips 23 is equal to the number of joint socket limit grooves 13 , and is distributed along the outer wall of the joint socket 2 for one circle.

As shown in FIGS. 1-3 and 1-4 , the elastic body 5 is preferably a compression spring. In order to ensure that the elastic body 5 is firmly confined in the base cavity 11 , the end of the joint socket 2 opposite to the elastic body 5 is provided with The elastic body limit post 24, the elastic body 5 is sleeved on the elastic body limit post 24, and a second distance 25 is set between the elastic body limit post 24 and the bottom of the base cavity 11 to provide enough space for the joint socket 2 to move, The ball head 3 is rotated in the inner spherical surface 21 .

Example 2:

As shown in Figure 2-1, Figure 2-2, Figure 2-3 and Figure 2-4, it is a schematic diagram of the structure of the second doll spherical joint in the present invention. 2. The number of the ball head 3 and the pressing plate 4 is set to two, the base cavity 11 has two openings, so that the base cavity 11 forms a through cavity, and the two joint sockets 2 are respectively arranged in the openings at the opposite ends of the base cavity 11, The elastic body 5 is disposed between the two joint sockets 2 . Specifically, when the elastic body 5 is preferably a compression spring, there is a second distance 25 between the two elastic body limiting posts 24 .

The puppet spherical joint of the above-mentioned embodiment 2 can be used as a spine. Specifically, a plurality of puppet spherical joints are connected to each other, thereby imitating the movements related to the human spine.

As shown in Fig. 2-1, when Example 2 is combined with one or more of Example 1, it can be used as a shoulder joint and a hip joint, thereby imitating the related movements of the human body's shoulder joint and hip joint.

Example 3:

As shown in Figure 3-1, Figure 3-2, Figure 3-3 and Figure 3-4, it is a schematic structural diagram of the third kind of puppet spherical joint of the present invention, and the third kind of puppet spherical joint is in Example 2 On the basis of the deformation, the two pressure plates 4 are provided with ball head guide grooves 42 that communicate with the through holes 41 of the pressure plates, and the edges of the two joint sockets 2 are provided with a first gap 22 that communicates with the inner spherical surface 21. The open edges of both ends of the base 1 are provided with second notches 14, the second notches 14 communicate with the base cavity 11, and the first notches 22 and the second notches 14 are opposite to the ball head guide groove 42; specifically, the ball head guide groove 42. The width of the first notch 22 and the second notch 14 is slightly larger than the diameter of the connecting column 31, the thickness of the pressure plate 4 is greater than the radius of the ball head 3, and the hole wall of the pressure plate through hole 41 is matched with the outer surface of the ball head 3 to form The arc-shaped wall, the second notch 14 is an arc-shaped groove, and the second notch 14 is formed on the boss 12 .

As shown in FIG. 3-1 , the two ball head guide grooves 42 are arranged on the same side, so that the connecting posts 31 on the two ball heads 3 can be rotated toward the same side to be parallel to each other.

The above-mentioned Embodiment 3 can be used as a knee joint and an elbow joint, so that the bending of the knee joint and the elbow joint can be simulated.

Example 4:

As shown in Figure 4-1, Figure 4-2, Figure 4-3 and Figure 4-4, it is a schematic diagram of the structure of the fourth doll spherical joint of the present invention, and the fourth doll spherical joint is in the first embodiment. On the basis of the deformation, the pressure plate 4 is provided with a ball head straight through groove 43 that penetrates the opposite ends of the pressure plate 4 and communicates with the pressure plate through hole 41 to divide the pressure plate 4 into two halves. There are first gaps 22 communicating with the inner spherical surface 21 respectively, and second gaps 14 are respectively provided on the opposite end edges of the base 1 at the open end of the joint socket 2. The second gaps 14 communicate with the base cavity 11, and the second gap 14 is The first notch 22 and the second notch 14 are opposite to the ball head guide groove 42 . The width of the ball head straight through groove 43 , the first notch 22 and the second notch 14 are all slightly larger than the diameter of the connecting column 31 . Smaller than the radius of the sphere of the ball head 3 , the second notch 14 is an arc-shaped groove, and the second notch 14 is formed on the boss 12 .

The above-mentioned Embodiment 4 can be used as a wrist joint, thereby imitating the rotation and bending of the wrist joint.

Example 5:

As shown in Figure 5-1, Figure 5-2, Figure 5-3 and Figure 5-4, it is a schematic structural diagram of the fifth kind of puppet spherical joint of the present invention, and the fifth kind of puppet ball joint is in Example 1 On the basis of the deformation, the pressure plate 4 is provided with a ball head guide groove 42 that communicates with the pressure plate through hole 41, the edge of the joint socket 2 is provided with a first gap 22 that communicates with the inner spherical surface 21, and the base 1 is located at the joint One end edge of the socket 2 is provided with a second gap 14, the second gap 14 communicates with the base cavity 11, the first gap 22, the second gap 14 are opposite to the ball head guide groove 42; the ball head guide groove 42, the first gap 22 The width of the second notch 14 is slightly larger than the diameter of the connecting column 31 . Specifically, the second notch 14 is an arc-shaped groove, and the second notch 14 is formed on the boss 12 .

Embodiment 5 described above can be used as an ankle joint, thereby imitating the rotation and bending of the ankle joint.

As shown in FIG. 6 , the present invention also discloses a doll skeleton, the skeleton 100 includes a joint 200 and a spine 300 , wherein the joint 200 includes a shoulder joint 201 , an elbow joint 202 , a wrist joint 203 , a hip joint 204 , and a knee joint 205 And the ankle joint 206, the shoulder joint 201, the elbow joint 202 and the wrist joint 203 are respectively connected by the first straight pipe 400, the spine 300 and the hip joint 204 are connected by a Y-shaped bracket 401, the hip joint 204, the knee joint The joints 205 and the ankle joints 206 are connected through the second straight pipe 402 respectively, the ankle joints 206 are connected with the soles 403, only the lumbar spine part of the spine 300 adopts the doll spherical joint described in the present invention, and the rest of the spine is straight-through tube.

In the following, for ease of understanding, the five doll spherical joints in Example 1-Example 5 are distinguished by letters A-E, wherein Example 1 is the doll spherical joint A501, Example 2 is the doll spherical joint B502, and Example 3 is the human doll spherical joint B502. Puppet ball joint C503, Example 4 is a puppet ball joint D504, and Example 5 is a puppet ball joint E505.

As shown in FIG. 6 , as a preferred mode of the doll skeleton in the present invention, the shoulder joint 201 is composed of a combination of a doll spherical joint A501 and a doll spherical joint B502, and the clavicle and cervical vertebrae in the skeleton are composed of a cross-shaped bracket 405, specifically, the base 1 of the puppet ball joint A501 in the shoulder joint 201 is connected with the strut 4051 as the clavicle in the cross bracket 405 by means of screw connection or welding, by connecting the connecting column 31 of the puppet ball joint A501 Connect with one of the connecting posts 31 on the puppet ball joint B502, connect the puppet ball joint A501 with the puppet ball joint B502, and then connect the other connecting column 31 of the puppet ball joint B502 by screwing or welding. way to connect with the first straight pipe A4001;

The elbow joint 202 is composed of a puppet ball joint C503. Specifically, the connecting column 31 at one end of the puppet ball joint C503 is connected with one end of the first straight pipe A4001 by means of screw connection or welding, and the puppet ball joint C503 has another end. The connecting column 31 at one end is connected with one end of the first straight pipe B4002 by means of screw connection or welding;

The wrist joint 203 is composed of a puppet ball joint D504. Specifically, the base 1 of the puppet ball joint D504 is connected to the other end of the first straight pipe B4002 by means of screw connection or welding, and the connecting column of the puppet ball joint D504 is connected. 31 can be connected with the palm;

The hip joint 204 is composed of the combination of the puppet ball joint A501 and the puppet ball joint B502. Specifically, the base 1 of the puppet ball joint A501 is connected with the U-shaped branch 4011 of the Y-shaped bracket 401 by means of screw connection or welding, The connecting column 31 of the puppet spherical joint A501 is connected with the connecting column 31 at one end of the puppet spherical joint B502, and the connecting column 31 at the other end of the puppet spherical joint B502 is connected with one end of the second straight pipe A4021;

The knee joint 205 is constituted by the puppet spherical joint C503. Specifically, the connecting column 31 at one end of the puppet spherical joint C503 is connected with the other end of the second straight pipe A4021 by means of screw connection or welding. The connecting column 31 at one end is connected with one end of the second straight pipe B4022 by means of screw connection;

The ankle joint 206 is composed of a puppet ball joint E505. Specifically, the connecting column 31 of the puppet ball joint E505 is connected to the other end of the second straight pipe B4022 through a screw connection, and the base 1 of the puppet ball joint E505 is connected to the sole of the foot. fixed;

The lumbar spine in the spine is composed of two puppet spherical joints A501 and multiple puppet spherical joints B502 connected to each other. Specifically, there are two puppet spherical joints B502, and the two puppet spherical joints B502 are connected by two opposite connecting columns. 31 are connected to each other, the bases 1 of the two puppet ball joints A501 at both ends are respectively connected and fixed with the vertical rod 4052 at the lower end of the cross-shaped bracket 405 and the vertical rod 4012 of the Y-shaped bracket 401, and the connecting column 31 of the two puppet ball joints A501 Then, they are respectively connected with the opposite connecting columns 31 in the two puppet spherical joints B502.

The doll skeleton is formed by combining the above-mentioned various embodiments.

In the doll ball joint of the present invention, when there is no external force to move the ball head 3, at this time, the inner spherical surface 21 of the joint socket 2 and the hole wall of the pressure plate through hole 41 of the pressure plate 4 together form the inner spherical surface and the ball head 3. There is a 0 gap between the outer spherical surfaces. At the same time, under the support of the resilience of the elastic body 5, a large enough friction force is formed between the inner spherical surface and the outer spherical surface, so that the corresponding upper and lower bones of this joint can overcome the sagging or torsion caused by gravity. , so as to maintain the corresponding posture; and when the ball head 3 is pulled by a large enough external force, the joint socket 2 will undergo relative displacement in the base cavity 11, and at this time, the ball head 3 and the hole wall of the through hole 41 of the pressure plate are formed. clearance, so that the ball head 3 can be rotated. After the external force disappears, under the action of the resilience of the elastic body 5, the joint socket 2 will be quickly reset, so that the joints and bones maintain the pulled posture.

The present invention specifically has the following advantages:

The spherical structure is adopted to realize the universal rotation of the joints, which greatly improves the simulation degree;

The rebound force of the spring is used to support the close combination of the ball head and the concave surface, so as to provide sufficient and suitable frictional resistance, so that the corresponding limbs can not only maintain the posture, but also twist easily.

The spring has a certain amount of compression during use. With the wear of the ball head and the inner spherical surface, there will be a gap between the ball head and the inner spherical surface. Since the spring is a compression spring, it can always exert a force on the joint socket and let the inner spherical surface. Contact with the ball head, so as to overcome the unavoidable wear problem of the ball and the inner spherical surface in long-term use, so that the ball head and the inner spherical surface are always combined with zero clearance.

Adjust the elastic force of the joint by adjusting parameters such as the strength of the spring, so as to obtain the quantitative data of the elastic force, and realize the quantitative standard in the manufacturing process.

Claims

A doll ball joint, characterized in that it comprises a base (1), at least one joint socket (2) arranged in the base (1), a ball head (3), a pressure plate (4) and an elastic body (5) ; The number of the ball head (3) and the pressure plate (4) is equal to the number of the joint socket (2); the base (1) has a base cavity (11), and the joint socket (2) and the elastic body (5) are arranged in the base cavity In (11), the joint socket (2) can move linearly along the axis direction of the base cavity (11), and the side of the joint socket (2) facing away from the elastic body (5) is provided with a spherical surface that matches the spherical surface of the ball head (3). The inner spherical surface (21), the depth of the inner spherical surface (21) is less than the radius of the ball head (3), and the ball head (3) is adapted to connect with the inner spherical surface (21); The body (5) is deformed under pressure, and after the joint socket (2) loses external force, the elastic body (5) is reset and pushes the joint socket (2) to reset together; The diameter of the hole (41) is smaller than the diameter of the ball head (3), so as to form a first distance (26) between the pressure plate (4) and the joint socket (2); the pressure plate (4) is fixed on the base (1) and located in the joint socket (2), so that the ball head (3) is limited to the joint socket (2).
The doll ball joint according to claim 1, characterized in that: the pressure plate (4) is provided with a ball head guide groove (42) communicating with the pressure plate through hole (41), on the edge of the joint socket (2) A first gap (22) communicated with the inner spherical surface (21) is provided, a second gap (14) is provided on the edge of one end of the base (1) at the joint socket (2), and the second gap (14) is connected to the base cavity (11) is communicated, and the first notch (22) and the second notch (14) are opposite to the ball head guide groove (42).
The puppet ball joint according to claim 1, characterized in that: the pressure plate (4) is provided with a ball head straight through groove (43) which penetrates through opposite ends of the pressure plate (4) and communicates with the through hole (41) of the pressure plate , in order to divide the pressure plate (4) into two halves, the edges of the opposite ends of the joint socket (2) are respectively provided with first gaps (22) communicating with the inner spherical surface (21), and the base (1) is located in the joint socket The opposite edges of one end of (2) are respectively provided with second notches (14), the second notches (14) communicate with the base cavity (11), the first notches (22) and the second notches (14) are guided to the ball head Slots (42) are opposite.
The doll ball joint according to claim 1, characterized in that: a joint socket limiting groove (13) is provided on the cavity wall of the base cavity (11), and the joint socket limiting groove (13) is along the base cavity (11). ) in the axial extension of the joint socket (2), a limiting protruding strip (23) which is matched with the joint socket limiting groove (13) is provided on the outer wall of the joint socket (2).
The doll ball joint according to claim 1, characterized in that: the elastic body (5) is a compression spring.
The puppet spherical joint according to claim 5, characterized in that: an elastic body limiting column (24) is provided on the end of the joint socket (2) opposite to the elastic body (5), and the elastic body (5) is sleeved on On the elastic body limiting column (24), a second distance (25) is set between the elastic body limiting column (24) and the bottom of the base cavity (11).
The doll ball joint according to any one of claims 1-6, characterized in that: there are two joint sockets (2), and the base cavity (11) has two openings, so that the base cavity (11) is formed with two openings. Through the cavity, the two joint sockets (2) are respectively arranged in opposite ends of the base cavity (11), and the elastic body (5) is arranged between the two joint sockets (2).
The puppet ball joint according to claim 7, characterized in that: an elastic body limiting column (24) is provided on the end of the joint socket (2) opposite to the elastic body (5), and the elastic body (5) is sleeved on On the two elastic body limiting columns (24), a second distance (25) is arranged between the two elastic body limiting columns (24).
A doll skeleton, comprising joints and a spine, characterized in that: the joints and the spine are composed of the doll spherical joints according to any one of claims 1-8.