Connection device and its combination with docking device

By combining the design of the insulating body, terminals, magnet assembly, inner shell, crown-shaped spring and wave spring, the deviation problem during terminal insertion is solved, ensuring that the terminals make proper contact and improving the electrical transmission effect.

CN115149329BActive Publication Date: 2025-12-02NEXTRONICS ENGINEERING(GUANGDONG) CORP +1
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Patent Information

Application Number
CN202110339627.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-03-30
Publication Date
2025-12-02
Estimated Expiration
2041-03-30

AI Technical Summary

Technical Problem

When existing connection devices and docking devices are plugged in, the terminals are prone to misalignment, resulting in poor electrical transmission performance.

Method used

The design incorporates an insulated body, terminals, magnet assembly, inner shell, crown-shaped spring, and wave spring to form a floating component, providing floating and guiding functions to ensure proper terminal contact.

Benefits of technology

It achieves reliable contact between terminals, improves electrical transmission performance, and adapts to changes in mechanical tolerances.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention proposes a connecting device and its combination with a docking device. The connecting device includes an insulating body, multiple terminals, a magnet assembly, an inner shell, a crown-shaped spring, an outer shell, and a wave spring. The multiple terminals are disposed on the insulating body, the magnet assembly is disposed on the insulating body, and the inner shell is fitted over the insulating body. The wave spring and the crown-shaped spring are disposed between the inner shell and the outer shell, and the wave spring and the crown-shaped spring abut against the inner shell, causing the insulating body, multiple terminals, magnet assembly, and inner shell to float. Therefore, when interlocked with the docking device, it provides a floating and guiding function, ensuring that the multiple terminals make reliable contact with the terminals of the docking device, and can be magnetically secured using the magnet assembly and the docking magnet assembly of the docking device.
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Description

Technical Field

[0001] This invention relates to a connecting device and its combination with a docking device, and more particularly to a connecting device and its combination with a docking device that enables corresponding terminals to make reliable contact when plugged into the docking device and can be fixed by magnetic attraction. Background Technology

[0002] Existing connecting devices and docking devices are fixed together using magnetic attraction, and the insulating body and terminals of the connecting device can be floating within the housing. This allows the terminals to make contact even when the mechanical tolerances are large. However, while the insulating body and terminals of existing connecting devices can be floating, misalignment can easily occur between corresponding terminals when the connecting device and docking device are plugged in, resulting in poor electrical transmission. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a connecting device and its combination with a docking device to address the shortcomings of the prior art. When the connecting device and the docking device are plugged into each other, they can have a better floating effect and provide a guiding function, so that there is no deviation between the corresponding terminals of the connecting device and the docking device, and they can make reliable contact, resulting in better electrical transmission.

[0004] To address the aforementioned technical problems, the present invention provides a connecting device comprising an insulating body, a plurality of terminals, a magnet assembly, an inner shell, a crown-shaped spring, an outer shell, and a wave spring. The plurality of terminals are disposed on the insulating body; the magnet assembly is disposed on the insulating body; the inner shell has an inner shell body fitted over the insulating body; the crown-shaped spring is disposed on the inner shell, the crown-shaped spring having a ring body and a plurality of elastic portions, the plurality of elastic portions being spaced apart on the ring body; an outer shell is fitted over the inner shell, the plurality of elastic portions of the crown-shaped spring abutting against the outer shell; the wave spring is disposed between the inner shell and the outer shell, such that the insulating body, the plurality of terminals, the magnet assembly, and the inner shell can be elastically supported by the crown-shaped spring and the wave spring on the outer shell, thus forming a floating component.

[0005] Preferably, the inner shell body has a receiving groove and a plurality of openings. The receiving groove is arranged in a ring around the inner shell body, and the plurality of openings are arranged at intervals on the outer side of the inner shell body. The plurality of openings are connected to the receiving groove. The ring body of the crown-shaped spring is arranged in the receiving groove, and the plurality of elastic parts protrude from the outer side of the inner shell body through the plurality of openings.

[0006] Preferably, one end of the plurality of elastic portions is connected to the ring body, and the other end of the plurality of elastic portions bends outward and extends outward from the outer side of the ring body. The plurality of elastic portions form an elastic arm. Each of the plurality of elastic portions has a convex arc surface. The convex arc surface of the plurality of elastic portions faces the outer side of the crown-shaped spring. The convex arc surface of the plurality of elastic portions is located outside the inner shell. An annular member is disposed inside the outer shell. The convex arc surface of the plurality of elastic portions abuts against the inner side of the annular member.

[0007] Preferably, one end of the plurality of terminals is electrically connected to a first cable, and a waterproof sleeve is fitted between one end of the housing and the first cable.

[0008] Preferably, a first adhesive is disposed between the plurality of terminals and the first cable, the first adhesive filling the inner housing and covering the plurality of terminals and the first cable.

[0009] Preferably, the outer shell has an outer shell body, an inner receiving groove is provided on the inner side of the outer shell body, the wave spring is disposed in the receiving groove, and the two ends of the wave spring respectively abut against the inner shell body and the outer shell body.

[0010] Preferably, a first positioning ring is provided at one end of the inner housing to stop and position the crown-shaped spring, and a second positioning ring is provided at one end of the outer housing to stop and position the ring-shaped component.

[0011] To address the aforementioned technical problems, the present invention also provides a combination of a connecting device and a docking device, comprising: the connecting device as described above; and a docking device, the docking device comprising an insulating base, a plurality of docking terminals, a docking magnet assembly, and a docking housing, wherein the plurality of docking terminals are disposed on the insulating base, the docking magnet assembly is disposed on the insulating base, and the docking housing is sleeved on the insulating base; the connecting device can be plugged into the docking device, such that the plurality of terminals contact each other, thereby achieving an electrical connection between the connecting device and the docking device, and the docking magnet assembly magnetically attracts and fixes each other.

[0012] Preferably, the insulating base has a slot that is conical, and the inner shell body is conical near one end to match the slot.

[0013] Preferably, one end of the plurality of mating terminals is electrically connected to a second cable, and a second adhesive is disposed between the plurality of mating terminals and the second cable. The second adhesive fills the mating housing and covers the plurality of mating terminals and the second cable.

[0014] The beneficial effect of the present invention lies in the fact that the connecting device and its combination with the docking device provided by the present invention include an insulating body, a plurality of terminals, a magnet assembly, an inner shell, a crown-shaped spring, an outer shell, and a wave spring. The crown-shaped spring has a ring body and a plurality of elastic portions, which are spaced apart on the ring body. The crown-shaped spring is disposed on the inner shell, and the plurality of elastic portions of the crown-shaped spring abut against the outer shell. The wave spring is disposed between the inner shell and the outer shell, so that the insulating body, the plurality of terminals, the magnet assembly, and the inner shell can be elastically supported on the outer shell by the crown-shaped spring and the wave spring, thereby forming a floating component. When the connecting device and the docking device are plugged into each other, they can provide floating and guiding functions. The inner shell can be floating on the outer shell by using crown-shaped springs to support it. Multiple elastic parts surround the outer shell to abut against the outer shell, forming multi-point support. The inner shell is floating on the outer shell by using wave springs in combination with crown-shaped springs. Therefore, it can have better floating and guiding effects, so that there will be no deviation between the corresponding terminals of the connecting device and the docking device, and reliable contact can be made, resulting in better electrical transmission.

[0015] To further understand the features and technical content of the present invention, please refer to the following detailed description and accompanying drawings. However, the drawings are provided for reference and illustration only and are not intended to limit the present invention. Attached Figure Description

[0016] Figure 1 This is a perspective view of the connecting device and the docking device of the present invention.

[0017] Figure 2 This is a perspective view of the connecting device and docking device of the present invention from another angle.

[0018] Figure 3 This is a cross-sectional view of the connecting device and the docking device of the present invention.

[0019] Figure 4 This is a cross-sectional view of the connection device and docking device of the present invention in the plugged-in state.

[0020] Figure 5 This is an exploded perspective view of the connecting device of the present invention.

[0021] Figure 6 This is an exploded perspective view of the connecting device of the present invention from another angle.

[0022] Figure 7 This is an exploded perspective view of the docking device of the present invention.

[0023] Figure 8 This is an exploded perspective view of the docking device of the present invention from another angle.

[0024] Figure 9 for Figure 3Detailed diagram of part IX.

[0025] Figure 10 This is an exploded perspective view of the inner shell and crown-shaped spring sheet of the present invention.

[0026] Figure 11 This is a three-dimensional assembly diagram of the inner shell and crown-shaped spring sheet of the present invention. Detailed Implementation

[0027] [First Embodiment]

[0028] Please see Figures 1 to 4 The present invention provides a connecting device that can be plugged into a mating device (connector). Please refer to the following: Figure 5 and Figure 6 The connecting device includes an insulating body 1, multiple terminals 2, a magnet assembly 3, an inner housing 4, a crown-shaped spring 5, an outer housing 6, and a wave spring 7.

[0029] In the components of the connecting device of the present invention, the term "front end" refers to the end that is close to the docking device (connector), and the term "rear end" refers to the end that is far away from the docking device (connector). That is, the end facing the insertion direction is defined as the "front end", and the end facing away from the insertion direction is defined as the "rear end".

[0030] The insulating body 1 is made of plastic material and is an insulator. The insulating body 1 may have a body portion 11 and a plurality of terminal holes 12. The body portion 11 may be cylindrical. The plurality of terminal holes 12 are provided on the body portion 11 and extend to both ends (front end and rear end) of the body portion 11 to facilitate the installation of a plurality of terminals 2.

[0031] Multiple terminals 2 are made of conductive metal material and are disposed on the insulating body 1. Multiple terminals 2 can serve as power terminals and signal terminals, etc. Multiple terminals 2 are respectively installed in multiple terminal holes 12, so that multiple terminals 2 are disposed on the insulating body 1, and one end (rear end) of multiple terminals 2 can extend out of one end (rear end) of the insulating body 1 for electrical connection with a first cable 10.

[0032] The magnet assembly 3 is disposed on the insulating body 1. The magnet assembly 3 can be disposed on the body part 11. The magnet assembly 3 can be used to magnetically attract the mating magnet assembly 102 disposed opposite on the mating device (connector), so that the connecting device and the mating device can be fixed by magnetic attraction when they are connected to each other.

[0033] The inner shell 4 can be made of plastic material. The inner shell 4 may have an inner shell body 41 (e.g., Figures 9 to 11As shown, the inner shell body 41 is a hollow body, which may be cylindrical, and can be fitted over the insulating body 1. The inner shell body 41 may have a receiving groove 42 and multiple openings 43. The receiving groove 42 is arranged around the inner shell body 41, and one end (rear end) of the receiving groove 42 is open to facilitate the assembly of the crown-shaped spring piece 5. The multiple openings 43 are spaced apart on the outer side of the inner shell body 41 and are connected to the receiving groove 42. Preferably, the inner shell body 41 is conical near one end (front end). One end (front end) of the inner shell body 41 may be provided with multiple through holes 44, which correspond to multiple terminals 2 respectively, so that the mating terminal 101 passes through the through holes 44 and contacts the terminal 2.

[0034] The crown-shaped spring 5 can be made of a metallic elastic material (metal spring). The crown-shaped spring 5 has a ring body 51 and multiple elastic portions 52. The ring body 51 can be C-shaped. The multiple elastic portions 52 are spaced apart on the ring body 51. One end of each elastic portion 52 is connected to the ring body 51, and the other end of each elastic portion 52 bends outward and extends protruding beyond the outer side of the ring body 51, forming an elastic arm. In this embodiment, the ring body 51 can have multiple through holes 53, and the multiple elastic portions 52 correspond to the multiple through holes 53 respectively. Each of the multiple elastic portions 52 has a convex arc surface 521, and the convex arc surface 521 of the multiple elastic portions 52 faces the outer side of the crown-shaped spring 5. The crown-shaped spring 5 is disposed on the inner housing 4, and the ring body 51 of the crown-shaped spring 5 can be disposed in the receiving groove 42 of the inner housing 4 (e.g., Figure 9 As shown), the crown-shaped spring 5 is securely mounted on the inner housing 4, and multiple elastic parts 52 can protrude out of the inner housing 4 through multiple openings 43 respectively, with the convex arc surface 521 of the multiple elastic parts 52 located outside the inner housing 4.

[0035] The outer casing 6 can be made of plastic material. The outer casing 6 may have a hollow outer casing body 61, which may be cylindrical. An inner receiving groove 62 is provided on the inner side of the outer casing body 61 to accommodate the wave spring 7, thus securing the wave spring 7 to the outer casing 6. A ring-shaped member 63, which can be made of metal, may also be further provided inside the outer casing body 61. The ring-shaped member 63 is assembled within the outer casing body 61.

[0036] The outer shell 6 is fitted over the inner shell 4, with the crown-shaped spring 5 and the wave spring 7 positioned between the inner shell 4 and the outer shell 6. Multiple elastic portions 52 of the crown-shaped spring 5 abut against the outer shell 6. In this embodiment, the multiple elastic portions 52 abut against the annular member 63, and the convex arc surfaces 521 of the multiple elastic portions 52 abut against the inner side of the annular member 63. The crown-shaped spring 5, positioned between the inner shell 4 and the outer shell 6, allows the inner shell 4 to float on the outer shell 6. The multiple elastic portions 52 surround the outer shell 4, that is, multiple elastic portions 52 are spaced apart around the outer shell 4, forming a 360-degree multi-point support with a better floating effect.

[0037] The wave spring 7 is a ring-shaped, wave-shaped metal spring sheet, which is elastic and provides space-saving characteristics. The wave spring 7 is disposed in the receiving groove 62, and its two ends abut against the inner shell body 41 and the outer shell body 61 respectively, so that the wave spring 7 is disposed between the inner shell 4 and the outer shell body 6. The wave spring 7 abuts against the inner shell 4, so the wave spring 7, together with the crown-shaped spring sheet 5, can support the inner shell 4 to float on the outer shell body 6, which can achieve a better floating effect. The insulating body 1, multiple terminals 2, magnet assembly 3 and inner shell 4 can be elastically supported on the outer shell body 6 by the crown-shaped spring sheet 5 and the wave spring 7 to form a floating component, so that the floating component is floating on the outer shell body 6.

[0038] Alternatively, a first adhesive 8 can be provided between the multiple terminals 2 and the first cable 10. The first adhesive 8 fills the inner shell 4 and covers the space between the multiple terminals 2 and the first cable 10 to increase the waterproof effect. A first positioning ring 9 can also be provided at one end (rear end) of the inner shell 4 to stop the positioning crown-shaped spring 5 and securely position the crown-shaped spring 5. A second positioning ring 20 can also be provided at one end (rear end) of the outer shell 6 to stop the positioning ring-shaped member 63 and securely position the ring-shaped member 63. The second positioning ring 20 can also be pressed onto the first positioning ring 9. A waterproof sleeve 30 can also be fitted between one end (rear end) of the outer shell 6 and the first cable 10 to increase the waterproof effect.

[0039] The connecting device can be plugged into a docking device to electrically connect the connecting device and the docking device for transmitting power and signals. The docking device may include an insulating base 100, a plurality of docking terminals 101, a docking magnet assembly 102, and a docking housing 103 (e.g., ...). Figure 7 and Figure 8(As shown). Multiple mating terminals 101 are disposed on the insulating base 100. The multiple mating terminals 101 can serve as power terminals and signal terminals, etc. The mating magnet assembly 102 is disposed on the insulating base 100, and the mating housing 103 is sleeved on the outside of the insulating base 100. In this embodiment, the insulating base 100 has a slot 104, which is conical. The inner housing body 41 is conical near one end and can match the slot 104.

[0040] In addition, one end (rear end) of the plurality of mating terminals 101 can also be electrically connected to a second cable 105. A second colloid 106 can also be provided between the plurality of mating terminals 101 and the second cable 105. The second colloid 106 fills the mating housing 103 and covers the plurality of mating terminals 101 and the second cable 105 to increase the waterproof effect.

[0041] like Figures 3 to 4 As shown, when the connecting device and the docking device are plugged into each other, multiple terminals 2 and multiple docking terminals 101 can contact each other, so that the connecting device and the docking device can achieve electrical connection. Furthermore, the magnet group 3 can be magnetically attracted and fixed to the docking magnet group 102, ensuring a stable connection between the connecting device and the docking device. Because the insulating body 1, multiple terminals 2, magnet group 3, and inner shell 4 form a floating state, they provide a guiding effect when the connecting device and the docking device are plugged into each other, ensuring that multiple terminals 2 can make reliable contact with the docking terminals 101, even with large mechanical tolerances. In this embodiment, the connecting device and the docking device are matched with a gap, for example, 0.5–1.5 mm. The floating component is compressed forward by the magnetic spring (crown-shaped spring 5, wave spring 7) by 0.5–1.5 mm. After the connecting device and the docking device separate, the floating component returns to its original position due to the reaction force of the compression spring.

[0042] [Beneficial Effects of the Examples]

[0043] The beneficial effect of the present invention is that the connecting device provided by the present invention includes an insulating body, a plurality of terminals, a magnet assembly, an inner shell, a crown-shaped spring, an outer shell, and a wave spring. The crown-shaped spring has a ring body and a plurality of elastic parts, which are spaced apart on the ring body. The crown-shaped spring is disposed on the inner shell, and the plurality of elastic parts of the crown-shaped spring abut against the outer shell. The wave spring is disposed between the inner shell and the outer shell, so that the insulating body, the plurality of terminals, the magnet assembly, and the inner shell can be elastically supported by the crown-shaped spring and the wave spring to form a floating component. When the connecting device and the docking device are plugged into each other, it can provide floating and guiding functions. The inner shell can be floating on the outer shell by using crown-shaped springs to support it. Multiple elastic parts surround the outer shell to abut against the outer shell, forming multi-point support. The inner shell is floating on the outer shell by using wave springs in combination with crown-shaped springs, thus achieving better floating and guiding effects. This ensures that there is no deviation between the corresponding terminals of the connecting device and the docking device, and that they can make reliable contact, resulting in better electrical transmission.

[0044] However, the above description is only a preferred embodiment of the present invention and is not intended to limit the scope of patent protection of the present invention. Therefore, all equivalent changes made based on the description and drawings of the present invention are similarly included within the scope of protection of the present invention and are hereby stated.

Claims

1. A connecting device, characterized in that, include: An insulating body; Multiple terminals, wherein the multiple terminals are disposed on the insulating body; A magnet assembly is disposed on the insulating body; An inner shell having an inner shell body fitted over an insulating body; A crown-shaped spring is disposed on the inner housing. The crown-shaped spring has a ring body and multiple elastic parts, and the multiple elastic parts are disposed at intervals on the ring body. An outer shell is fitted over the inner shell, and the plurality of elastic portions of the crown-shaped spring abut against the outer shell; as well as A wave spring is disposed between the inner housing and the outer housing, so that the insulating body, the plurality of terminals, the magnet assembly and the inner housing can be elastically supported on the outer housing by the crown-shaped spring and the wave spring, thereby forming a floating component; The inner shell body has a receiving groove and multiple openings. The receiving groove is arranged in a ring around the inner shell body. The multiple openings are arranged at intervals on the outer side of the inner shell body and are connected to the receiving groove. The ring body of the crown-shaped spring is arranged in the receiving groove, and the multiple elastic parts protrude from the outer side of the inner shell body through the multiple openings.

2. The connecting device as described in claim 1, characterized in that, One end of each of the multiple elastic parts is connected to the ring body, and the other end of each of the multiple elastic parts bends outward and extends outward from the outer side of the ring body. The multiple elastic parts form an elastic arm. Each of the multiple elastic parts has a convex arc surface. The convex arc surface of the multiple elastic parts faces the outer side of the crown-shaped spring. The convex arc surface of the multiple elastic parts is located outside the inner shell. An annular member is disposed inside the outer shell. The convex arc surface of the multiple elastic parts abuts against the inner side of the annular member.

3. The connecting device as described in claim 1, characterized in that, One end of each of the terminals is electrically connected to a first cable, and a waterproof sleeve is fitted between one end of the housing and the first cable.

4. The connecting device as described in claim 3, characterized in that, A first adhesive is disposed between the plurality of terminals and the first cable, the first adhesive filling the inner housing and covering the plurality of terminals and the first cable.

5. The connecting device as claimed in claim 1, characterized in that, The outer shell has an outer shell body, and an inner receiving groove is provided on the inner side of the outer shell body. The wave spring is disposed in the receiving groove, and the two ends of the wave spring abut against the inner shell body and the outer shell body respectively.

6. The connecting device as claimed in claim 2, characterized in that, A first positioning ring is provided at one end of the inner housing to stop and position the crown-shaped spring piece, and a second positioning ring is provided at one end of the outer housing to stop and position the ring-shaped component.

7. A combination of a connecting device and a docking device, characterized in that, include: A connecting device as described in any one of claims 1 to 6; as well as A docking device includes an insulating base, a plurality of docking terminals, a docking magnet assembly, and a docking housing. The plurality of docking terminals are disposed on the insulating base, the docking magnet assembly is disposed on the insulating base, and the docking housing is sleeved on the insulating base. The connecting device can be plugged into the docking device, so that the multiple terminals and the multiple docking terminals come into contact with each other, so that the connecting device and the docking device are electrically connected, and the docking magnet group and the magnet group are magnetically attracted and fixed to each other.

8. The combination of the connecting device and the docking device as described in claim 7, characterized in that, The insulating base has a slot that is conical, and the inner shell body is conical near one end to match the slot.

9. The combination of the connecting device and the docking device as described in claim 7, characterized in that, One end of each of the plurality of mating terminals is electrically connected to a second cable, and a second adhesive is disposed between the plurality of mating terminals and the second cable. The second adhesive fills the mating housing and covers the plurality of mating terminals and the second cable.

Citation Information

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