Magnetic linkage simulation eyeball

Abstract

The utility model discloses a magnetic type linkage simulation eyeball, magnetic type linkage simulation eyeball, including linkage support, two fixed shafts of symmetry installation on linkage support, the eyeball back cover of rotation connection on opposite fixed shaft, install in the magnet of eyeball back cover and install on the eyeball body of eyeball back cover, linkage support fixed mounting is in the inside of head carving, and the magnetic force of interaction has between two magnets, when one of the eyeball body rotates around the corresponding fixed shaft through the eyeball back cover, another eyeball body also rotates. The magnetic type linkage simulation eyeball adopts magnetic type eyeball mounting structure, can conveniently realize the installation fixed of head carving eyeball, improves the convenience of device assembly, and when one of the eyeball body is driven to rotate with cooperation magnetic attraction pen, is affected by magnetic attraction, another eyeball body also will rotate, can realize the synchronous movement of two eyeballs, thereby makes the eyeball rotation more close to real effect.

Description

Technical Field

[0001] This utility model relates to the field of toy eyeball installation technology, specifically a magnetically attached linkage simulated eyeball. Background Technology

[0002] Existing toy head sculpted eyes rely on manual or mechanical mechanisms to rotate, which is quite cumbersome. It requires opening the back of the head to move the eyeballs. In some high-end hair-implanted head sculpts, opening the back of the head often messes up the hair, requiring subsequent styling, thus making the head sculpted eyeball installation process tedious. Therefore, to address these issues, a magnetic linkage simulated eyeball has been designed to better meet practical usage needs. Utility Model Content

[0003] The purpose of this invention is to provide a magnetically attached, linked, simulated eyeball to solve the problems mentioned in the background section.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a magnetic linkage simulated eyeball, comprising a linkage bracket, two fixed shafts symmetrically mounted on the linkage bracket, an eyeball back cover rotatably connected to the opposite fixed shafts, a magnet installed inside the eyeball back cover, and an eyeball body installed on the eyeball back cover;

[0005] The linkage bracket is fixedly installed inside the head sculpt. There is an interactive magnetic force between the two magnets. When one eyeball rotates around the corresponding fixed axis through the eyeball back cover, the other eyeball also rotates.

[0006] Preferably, the linkage bracket includes a frame and an integral flange portion connected to the left and right ends of the frame. The flange portion has a hole, and the fixed shaft is installed in the hole. The surface of the fixed shaft is in close contact with the inner wall of the hole on the linkage bracket. By the surface of the fixed shaft being in close contact with the inner wall of the hole, the consistency of the movement trajectory is ensured and the structural stability is improved.

[0007] Preferably, the mating end is provided with an installation groove. The eyeball back cover includes a shaft end that is rotatably connected to a corresponding fixed shaft and a mating end that is fixedly connected to one side of the shaft end. The gap between the surface of the fixed shaft and the inner wall of the hole on the shaft end is 0.1-0.2mm. The gap between the surface of the fixed shaft and the inner wall of the hole on the shaft end reduces wear and abnormal noise, avoids jamming or sticking caused by interference fit or too small gap, and improves flexibility.

[0008] Preferably, the mating end is provided with a mounting groove, which is clearance-fitted with the magnet with a clearance of 0.05-0.1mm. Epoxy resin structural adhesive is filled between the magnet surface and the inner wall of the mounting groove, and the magnet and mating end are fixed by the cured epoxy resin structural adhesive. Through the above structure, a dual fixation of "mechanical limiting + adhesive curing" is achieved, which can ensure that the magnet does not shift or loosen when subjected to axial or radial external forces, further improving the reliability of the connection.

[0009] Preferably, the outer wall of the mounting groove is provided with an annular protrusion, the eyeball body is a hollow structure, and the inner wall of the cavity is provided with an annular groove. The fitting gap between the annular protrusion and the annular groove is 0.1-0.2mm. The eyeball body and the docking end are rotatably connected. The nested structure of the annular protrusion and the groove forms a "physical snap" to prevent detachment and excessive displacement. The fitting gap between the annular protrusion and the annular groove ensures the flexibility of the eyeball body's rotation, simulating the movement of a real eyeball.

[0010] Preferably, the contact surfaces between the eyeball body and the posterior cap of the eyeball are coated with a polytetrafluoroethylene coating with a thickness of 5-10 μm. The polytetrafluoroethylene coating has a coefficient of friction ≤0.05 and self-lubricating properties, which reduces the phenomenon of jamming.

[0011] Preferably, the magnet is a N35 NdFeB permanent magnet, and one end of the magnet is magnetically connected to the eyeball body. The magnetic force of the N35 NdFeB magnet is stable, which facilitates quick assembly and disassembly and provides a certain buffer space when subjected to external force.

[0012] Preferably, the magnetic force between the two magnets is 20-50N, and the rotation angle of the two eyeballs is the same. Through the above structure, the reliability of synchronous linkage is ensured, simulating the physiological characteristics of the real eyeballs "rotating and stopping at the same time" and improving the simulation effect.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the magnetic linkage simulated eyeball adopts a magnetic eyeball installation structure, which can facilitate the installation and fixation of the head-sculpted eyeball, improve the convenience of device assembly, and use the magnetic pen to drive one of the eyeball bodies to rotate. Under the influence of magnetic attraction, the other eyeball body will also rotate, which can realize the synchronous movement of the two eyeballs, thereby making the eyeball rotation closer to the real effect. Attached Figure Description

[0014] Figure 1 This is a frontal exploded three-dimensional structural diagram of the overall assembly of the device of this utility model;

[0015] Figure 2 This is a frontal, disassembled, three-dimensional structural diagram of the overall assembly linkage bracket and eyeball back cover of the present invention.

[0016] Figure 3This is a frontal three-dimensional structural diagram of the overall assembly of the device of this utility model;

[0017] Figure 4 This is a top view of the overall assembly structure of the device of this utility model;

[0018] Figure 5 This is a schematic diagram of the overall assembly front view of the device of this utility model;

[0019] Figure 6 This is a right-side view of the overall assembly structure of the device of this utility model.

[0020] In the diagram: 1. Linkage bracket; 101. Frame; 102. Flange; 2. Eyeball back cover; 201. Shaft head end; 202. Connecting end; 3. Fixed shaft; 4. Magnet; 5. Eyeball body. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-6 This utility model provides a technical solution: a magnetic linkage simulated eyeball, characterized in that: it includes a linkage bracket 1, two fixed shafts 3 symmetrically installed on the linkage bracket 1, an eyeball back cover 2 rotatably connected to the opposite fixed shafts 3, a magnet 4 installed inside the eyeball back cover 2, and an eyeball body 5 installed on the eyeball back cover 2.

[0023] The linkage bracket 1 is fixedly installed inside the head sculpt. The two magnets 4 have an interactive magnetic force. When one of the eyeball bodies 5 rotates around the corresponding fixed axis 3 through the eyeball back cover 2, the other eyeball body 5 also rotates accordingly.

[0024] It is worth noting that in practical applications, a limiting structure, such as a baffle, can be set on the side of the frame 101 near the flange 102 to limit excessive rotation of the eyeball body 5, which would cause the magnetic linkage between the two eyeball bodies 5 to fail.

[0025] Please see Figures 1-2The linkage bracket 1 includes a frame 101 and flanges 102 integrally connected to the left and right ends of the frame 101. The flanges 102 have holes, and the fixing shaft 3 is installed in the holes. The surface of the fixing shaft 3 is in close contact with the inner wall of the hole on the linkage bracket 1. The eyeball back cover 2 includes a shaft end 201 rotatably connected to the corresponding fixing shaft 3 and a mating end 202 fixedly connected to one side of the shaft end 201. The gap between the surface of the fixing shaft 3 and the inner wall of the hole on the shaft end 201 is 0.1-0.2mm.

[0026] The docking end 202 is provided with a mounting groove, which is clearance-fitted with the magnet 4 with a clearance of 0.05-0.1mm. Epoxy resin structural adhesive is filled between the surface of the magnet 4 and the inner wall of the mounting groove, and the magnet 4 and the docking end 202 are fixed by the cured epoxy resin structural adhesive.

[0027] It is worth noting that the contact area (relative rotation) between the fixed shaft 3 and the hole at the shaft end 201 must be made of wear-resistant material. The fixed shaft can be made of metal (e.g., 45 steel), and the shaft end can be made of plastic (e.g., ABS plastic + glass fiber). This is to avoid the metal shaft being worn and causing excessive clearance. At the same time, the self-lubricating properties of plastic can reduce rotational resistance and reduce the risk of jamming.

[0028] Please see Figure 3 The outer wall of the mounting groove is provided with an annular protrusion, the eyeball body 5 is a hollow structure, and the inner wall of the cavity is provided with an annular groove. The fitting gap between the annular protrusion and the annular groove is 0.1-0.2mm. The eyeball body 5 is rotatably connected to the docking end 202. The contact surface between the eyeball body 5 and the eyeball back cover 2 is coated with a polytetrafluoroethylene coating with a thickness of 5-10μm.

[0029] Please see Figure 1 Magnet 4 is an N35 neodymium iron boron permanent magnet, and one end of magnet 4 is magnetically connected to the eyeball body 5; the magnetic force between the two magnets 4 is 20-50N, and the two eyeball bodies 5 rotate at the same angle.

[0030] When using this magnetically attached simulated eyeball, such as Figures 1-6 As shown, the linkage bracket 1 is first fixedly installed inside the head sculptor. The shaft end 201 of the eyeball back cover 2 is clipped onto the flange 102 of the linkage bracket 1. Then, it is installed through the fixing shaft 3. The outer wall of the fixing shaft 3 fits tightly with the inner wall of the hole on the linkage bracket 1 to ensure consistent movement trajectory and improve structural stability. The gap between the outer wall of the fixing shaft 3 and the inner wall of the hole on the corresponding shaft end 201 of the eyeball back cover 2 is 0.1-0.2mm to ensure flexible rotation of the eyeball. Moreover, the contact surfaces of the linkage bracket 1 and the shaft end 201 of the eyeball back cover 2 are made of metal material with a surface roughness of Ra0.8μm to reduce frictional loss between materials and improve durability.

[0031] Next, when installing the eyeball body 5, first insert the magnet 4 into the mounting groove at the docking end. Then, through the annular groove structure on the inner wall of the eyeball body 5 that matches the annular protrusion on the eyeball back cover 2, the eyeball body 5 and the eyeball back cover 2 can be quickly installed. With a fitting gap of 0.1-0.2mm between the annular protrusion and the annular groove, the eyeball body 5 and the eyeball back cover 2 can rotate. The fitting gap between the annular protrusion and the annular groove ensures the rotational flexibility of the eyeball body 5, simulating the movement of a real eyeball. Combined with the magnetic attraction between the eyeball body 5 and the magnet 4 (N35 neodymium iron boron permanent magnet), the stability of the eyeball body 5 and the eyeball back cover 2 can be effectively guaranteed.

[0032] The diameter of the magnet 4 and the mounting groove is clearance fit, with a clearance of 0.05-0.1mm. The magnet 4 and the mounting groove on the eyeball back cover 2 are fixed with epoxy resin structural adhesive, achieving a dual fixation of "mechanical limiting + adhesive curing". This ensures that the magnet 4 will not shift or loosen when subjected to axial or radial external force, further improving the reliability of the connection.

[0033] Furthermore, the distance between the installation position of the magnet 4 and other electronic components is 20 ≥ mm (generally, electronic components are set inside the doll's body, which is a large distance from the head itself, so there will be no interference). This avoids magnetic field interference with electronic components. In actual use, the shaft end 201 of the eyeball back cover 2 is round or square, or other shapes can be used. The shape of the linkage bracket 1 is U-shaped or I-shaped, or other shapes can be used. The shape can be adjusted according to the internal space of different head sculptures to avoid structural interference, improve adaptability, and significantly improve the user experience and product reliability.

[0034] With the above structure, when one of the eyeball bodies 5 is rotated by the magnetic pen, since the linkage bracket 1 is fixedly installed inside the head sculpt, it can synchronously drive the other eyeball body 5 to rotate in the same direction through the magnetic attraction between the two magnets 4 (that is, the back covers 2 of both eyeballs rotate around their respective fixed axes 3), thereby achieving the effect of eye-to-eye linkage. This is the working principle of the magnetic linkage simulated eyeball.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A magnetically attached, linked, simulated eyeball, characterized in that: It includes a linkage bracket (1), two fixed shafts (3) symmetrically mounted on the linkage bracket (1), an eyeball cover (2) rotatably connected to the opposite fixed shafts (3), a magnet (4) installed inside the eyeball cover (2), and an eyeball body (5) installed on the eyeball cover (2); The linkage bracket (1) is fixedly installed inside the head sculpture. There is a magnetic force between the two magnets (4). When one of the eyeball bodies (5) rotates around the corresponding fixed axis (3) through the eyeball back cover (2), the other eyeball body (5) also rotates.

2. The magnetically attached, linked, simulated eyeball according to claim 1, characterized in that: The linkage bracket (1) includes a frame (101) and an integral flange (102) connected to the left and right ends of the frame (101). The flange (102) has a hole, and the fixing shaft (3) is installed in the hole. The surface of the fixing shaft (3) is tightly fitted with the inner wall of the hole on the linkage bracket (1).

3. The magnetically attached, linked, simulated eyeball according to claim 2, characterized in that: The eyeball back cover (2) includes a shaft end (201) rotatably connected to a corresponding fixed shaft (3) and a mating end (202) fixedly connected to one side of the shaft end (201). The gap between the surface of the fixed shaft (3) and the inner wall of the hole on the shaft end (201) is 0.1-0.2 mm.

4. The magnetically attached, linked, simulated eyeball according to claim 1, characterized in that: The mating end (202) is provided with an installation groove. The installation groove and the magnet (4) are in clearance fit with a gap of 0.05-0.1mm. The surface of the magnet (4) and the inner wall of the installation groove are filled with epoxy resin structural adhesive. The magnet (4) and the mating end (202) are fixed by the cured epoxy resin structural adhesive.

5. The magnetically attached, linked simulated eyeball according to claim 1, characterized in that: The outer wall of the mounting groove is provided with an annular protrusion. The eyeball body (5) is a hollow structure, and the inner wall of the cavity is provided with an annular groove. The fitting gap between the annular protrusion and the annular groove is 0.1-0.2mm. The eyeball body (5) is rotatably connected to the docking end (202).

6. The magnetically attached, linked simulated eyeball according to claim 5, characterized in that: The contact surfaces of the eyeball body (5) and the posterior cover of the eyeball (2) are coated with a polytetrafluoroethylene coating with a thickness of 5-10 μm.

7. The magnetically attached, linked, simulated eyeball according to claim 4, characterized in that: The magnet (4) is an N35 neodymium iron boron permanent magnet, and one end of the magnet (4) is magnetically connected to the eyeball body (5).

8. The magnetically attached linked simulated eyeball according to claim 3, characterized in that... The magnetic force between the two magnets (4) is 20-50N, and the rotation angles of the two eyeball bodies (5) are the same.

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