TWI759168B - Connecting device and assembly of connecting device with mating device - Google Patents

Abstract

A connecting device includes an insulated body, a plurality of contacts, a magnet set, an inner housing, a crown spring, an outer housing and a wave spring. The contacts are disposed on the insulated body. The magnet set is disposed in the insulated body. The inner housing is put around the insulated body. The wave spring and the crown spring are disposed between the inner housing and the outer housing, and are abutted against the inner housing, so that the insulated body, the contacts, the magnet set and the inner housing are arranged in a floating status. Therefore, it can provide floating and aligning functions as plugging with a mating device. The contacts can contact with the contacts of the mating device accurately. The magnet set and mating magnet set of the mating device can be attracted fixedly.

Description

Connecting device and its combination with docking device

The present invention relates to a connecting device and its combination with a docking device, in particular to a connecting device that can make sure the corresponding terminals are in contact with the docking device and can be fixed by magnetic attraction when the docking device is plugged with each other. A combination of docking devices.

When the existing connecting device and the docking device are connected to each other, they have been fixed by magnetic attraction, and the insulating body and the terminal of the connecting device can also be arranged in the outer casing in a floating manner, so that when the connecting device and the docking device are inserted into each other, even if The mechanical tolerance is large, and the effect of mutual contact between terminals can still be achieved. However, in the existing connection device, although the insulating body and the terminals can be arranged in a floating type, when the connection device and the docking device are plugged into each other, the corresponding terminals are prone to deviation and cannot be contacted reliably, so that the electrical transmission less effective.

The technical problem to be solved by the present invention is to provide a connecting device and its combination with a docking device in view of the shortcomings of the prior art. The function of the connecting device and the corresponding terminals of the docking device will not produce deviation, and can be contacted reliably, so that the effect of electrical transmission is better.

In order to solve the above technical problems, the present invention provides a connection device, comprising: an insulating body; a plurality of terminals, the terminals are arranged on the insulating body; a magnet group, the magnet group is arranged on the insulating body; an inner a shell, the inner shell has an inner shell body, the inner shell body is sleeved outside the insulating body; a crown-shaped elastic piece, the crown-shaped elastic piece is arranged on the inner shell, the crown-shaped elastic piece has a ring body and a plurality of elastic parts, the elastic parts are arranged on the ring body at intervals; an outer casing, the outer casing is sleeved outside the inner casing, the elastic parts of the crown-shaped elastic sheet abut against the outer casing; and a A wave spring, the wave spring is arranged between the inner casing and the outer casing, so that the insulating body, the terminals, the magnet group and the inner casing can be elastically supported on the outer casing by the crown-shaped shrapnel and the wave spring body to form a floating part.

In order to solve the above technical problems, the present invention also provides a combination of a connecting device and a docking device, including: the connecting device; and a docking device, the docking device includes an insulating base, a plurality of docking terminals, a docking A magnet group and a butt-joint casing, the butt terminals are arranged on the insulating base body, the butt-joint magnet group is arranged on the insulating base body, the butt-joint casing is sleeved outside the insulating base body; the connection device can be connected with the insulating base body; The docking devices are inserted into each other so that the terminals and the docking terminals are in 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 fixed to each other.

The beneficial effect of the present invention is that the connecting device provided by the present invention and its combination with the docking device, the connecting device includes an insulating body, a plurality of terminals, a magnet group, an inner shell, a crown-shaped elastic piece, and an outer shell body and a wave spring. The crown-shaped shrapnel has a ring body and a plurality of elastic parts, the elastic parts are arranged on the ring body at intervals, the crown-shaped shrapnel is arranged on the inner casing, the elastic parts of the crown-shaped shrapnel are in contact with the outer casing, and the wave spring is arranged Between the inner casing and the outer casing, the insulating body, the terminals, the magnet group and the inner casing can be elastically supported on the outer casing by a crown-shaped elastic sheet and a wave spring to form a floating piece. When the connecting device and the docking device are inserted into each other, they can provide floating and guiding functions. The inner casing can be floated on the outer casing by using a crown-shaped elastic sheet. The elastic parts surround the inner casing for interference. In the outer casing, multi-point support can be formed, and wave springs are used with crown-shaped shrapnel to support the inner casing to float on the outer casing, so it can have better floating and guiding effects, so that the connecting device corresponds to the docking device. There will be no deviation between the terminals, and they can be contacted reliably, so that the effect of electrical transmission is better.

For a further understanding of the features and technical content of the present invention, please refer to the following detailed descriptions and drawings of the present invention. However, the drawings provided are only for reference and description, and are not intended to limit the present invention.

The following are specific specific examples to illustrate the embodiments disclosed in the present invention, and those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to the actual size, and are stated in advance. The following embodiments will further describe the related technical contents of the present invention in detail, but the disclosed contents are not intended to limit the protection scope of the present invention. In addition, the term "or", as used herein, should include any one or a combination of more of the associated listed items, as the case may be.

[First Embodiment]

Please refer to FIG. 1 to FIG. 4 , the present invention provides a connecting device, which can be used for mutual insertion with a docking device (connector). Please refer to FIG. 5 and FIG. 6 together. The connecting device includes an insulating body 1 , a plurality of terminals 2, a magnet group 3, an inner shell 4, a crown-shaped elastic piece 5, an outer shell 6 and a wave spring 7.

The "front end" described in each element of the connection device of the present invention refers to the end close to the docking device (connector), and the "rear end" refers to the end away from the docking device (connector), that is, the end facing the insertion direction It is defined as "front end", and the end facing away from the mating direction is defined as "rear end".

The insulating body 1 is made of plastic material, which is an insulator. The insulating body 1 may have a body portion 11 and a plurality of terminal holes 12 , and the body portion 11 may be cylindrical. The terminal holes 12 are disposed on the main body portion 11 , and the terminal holes 12 penetrate to both ends (front and rear ends) of the main body portion 11 so as to facilitate the installation of the terminals 2 .

The terminals 2 are made of conductive metal materials, and the terminals 2 are disposed on the insulating body 1 . The terminals 2 can be used as power terminals and signal terminals. The terminals 2 are respectively installed in the terminal holes 12, so that the terminals 2 are arranged on the insulating body 1, and one end (rear end) of the terminals 2 can protrude from one end (rear end) of the insulating body 1 so as to be connected with the insulating body 1. A first cable 10 is electrically connected.

The magnet group 3 is arranged on the insulating body 1, and the magnet group 3 can be arranged on the main body portion 11. The magnet group 3 can be used for mutual magnetic attraction with the docking magnet group 102 arranged opposite to the docking device (connector), so that the connection is made. When the device and the docking device are connected to each other, they can be fixed by magnetic attraction.

The inner casing 4 can be made of plastic material. The inner shell 4 can have an inner shell body 41 (as shown in FIG. 9 to FIG. 11 ), the inner shell body 41 is a hollow body, the inner shell body 41 can be cylindrical, and the inner shell 4 can be sleeved It is arranged outside the insulating body 1 . The inner shell body 41 may have an accommodating groove 42 and a plurality of openings 43 , the accommodating groove 42 is ring-shaped in the inner shell body 41 , and one end (rear end) of the accommodating groove 42 is open, which is convenient for When assembling the crown-shaped elastic piece 5 , the openings 43 are arranged on the outer side of the inner shell body 41 at intervals, and the openings 43 communicate with the accommodating groove 42 . Preferably, the inner shell body 41 is in the shape of a cone near one end (front end). One end (front end) of the inner shell body 41 may be provided with a plurality of through holes 44 , and the through holes 44 correspond to the terminals 2 respectively, so that the mating terminal 101 can pass through the through holes 44 to contact the terminals 2 .

The crown-shaped elastic sheet 5 can be made of metal elastic material (metal elastic sheet). The crown-shaped elastic sheet 5 has a ring body 51 and a plurality of elastic parts 52. The ring body 51 can be a C-shaped ring body, and the elastic parts 52 are spaced at intervals. Disposed on the ring body 51 , one end of the elastic parts 52 is connected to the ring body 51 , and the other ends of the elastic parts 52 are bent outward and extended to protrude from the outer side of the ring body 51 , and the elastic parts 52 can form elastic arms . In this embodiment, the ring body 51 may have a plurality of through holes 53 , and the elastic portions 52 correspond to the through holes 53 respectively. Each of the elastic parts 52 has a convex arc surface 521 , and the convex arc surface 521 of the elastic parts 52 faces the outer side of the crown-shaped elastic piece 5 . The crown-shaped spring piece 5 is arranged on the inner casing 4 , and the ring body 51 of the crown-shaped spring piece 5 can be arranged in the accommodating groove 42 of the inner casing 4 (as shown in FIG. 9 ), so that the crown-shaped spring piece 5 is stable are disposed on the inner casing 4 , the elastic parts 52 can protrude out of the inner casing 4 through the openings 43 respectively, and the convex arc surfaces 521 of the elastic parts 52 are located outside the inner casing 4 .

The outer casing 6 can be made of plastic material, the outer casing 6 can have a casing body 61 , the casing body 61 is a hollow body, and the casing body 61 can be cylindrical. An accommodating groove 62 is provided on the inner side of the casing body 61 , which can be used to accommodate the wave spring 7 , so that the wave spring 7 is stably disposed on the casing 6 . A ring-shaped member 63 may be further disposed in the housing body 61 . The ring-shaped member 63 may be made of metal material, and the ring-shaped member 63 is assembled in the housing body 61 .

The outer casing 6 is sleeved outside the inner casing 4, so that the crown-shaped elastic sheet 5 and the wave spring 7 are arranged between the inner casing 4 and the outer casing 6, and the elastic parts 52 of the crown-shaped elastic sheet 5 abut against the outer casing Body 6, in this embodiment, the elastic parts 52 are in contact with the ring-shaped member 63, and the convex arc surfaces 521 of the elastic parts 52 are in contact with the inner side of the ring-shaped member 63, so that the crown-shaped elastic piece 5 is arranged on the inner shell Between the shell 4 and the outer shell 6, the crown-shaped elastic sheet 5 can be used to support the inner shell 4 to float on the outer shell 6. The elastic parts 52 surround the inner shell 4, that is, the elastic parts 52 The spacers surround the inner casing 4 to form a 360-degree multi-point support, which has a better floating effect.

The wave spring 7 (wave spring) is an annular wave-shaped metal shrapnel, which has elasticity and can provide space-saving characteristics. The wave spring 7 is arranged in the accommodating groove 62, and the two ends of the wave spring 7 are respectively in contact with the inner shell. The main body 41 and the outer shell body 61 make the wave spring 7 disposed between the inner casing 4 and the outer casing 6, and the wave spring 7 is in contact with the inner casing 4, so the wave spring 7 can be used with the crown-shaped elastic sheet 5 to support the inner casing 4. The casing 4 is floated on the outer casing 6, which can have a better floating effect. The insulating body 1 , the terminals 2 , the magnet group 3 and the inner casing 4 can be elastically supported on the outer casing 6 by a crown-shaped spring piece 5 and a wave spring 7 to form a floating member, and the floating member can be floated on the outer casing. 6 on.

In addition, a first glue 8 can also be disposed between the terminals 2 and the first cables 10 , and the first glue 8 is filled in the inner casing 4 and covers the terminals 2 and the first cables 10 between to increase the waterproof effect. One end (rear end) of the inner casing 4 can also be provided with a first positioning ring 9, which can be used to stop and position the crown-shaped elastic piece 5, so that the crown-shaped elastic piece 5 can be positioned stably. One end (rear end) of the outer casing 6 can also be provided with a second positioning ring 20, which can be used to stop the positioning ring 63, so that the ring 63 can be stably positioned, and the second positioning ring 20 is also It can be pressed on the first positioning ring 9 . A waterproof casing 30 can also be sleeved between one end (rear end) of the outer casing 6 and the first cable 10 to increase the waterproof effect.

The connecting device can be plugged with a docking device, so that the connecting device and the docking device are electrically connected to transmit power and signals. The docking device may include an insulating base 100 , a plurality of docking terminals 101 , a docking magnet group 102 and a docking housing 103 (as shown in FIG. 7 and FIG. 8 ). The butt terminals 101 are disposed on the insulating base 100 , and the butt terminals 101 can be used as power terminals and signal terminals, etc. The butt magnet group 102 is disposed on the insulating base 100 , and the butt housing 103 is sleeved on the insulating base 100 . Outside the seat body 100. In this embodiment, the insulating base 100 has a slot 104 , the slot 104 is conical, and the inner shell body 41 is conical near one end, which can be matched with the slot 104 .

In addition, one end (rear end) of the butt terminals 101 can also be electrically connected with a second cable 105 , and a second glue 106 can also be arranged between the butt terminals 101 and the second cable 105 . The second glue 106 is filled in the docking housing 103 and wraps between the docking terminals 101 and the second cables 105 to increase the waterproof effect.

As shown in FIG. 3 to FIG. 4 , when the connecting device and the docking device are plugged into each other, the terminals 2 and the docking terminals 101 can be in contact with each other, so that the connecting device and the docking device are electrically connected, and the magnet group 3 It can be magnetically fixed with the docking magnet group 102, so that the connecting device and the docking device can be stably combined. Since the insulating body 1 , the terminals 2 , the magnet group 3 and the inner casing 4 are in a floating state, when the connecting device and the docking device are inserted into each other, they can provide a guiding function, so that the terminals 2 can be connected with the docking terminal 101 securely. Even if the mechanical tolerance is large, the effect of mutual contact between terminals can still be achieved. In this embodiment, the connecting device and the docking device are matched with a gap, for example, the gap is 0.5~1.5mm, and the floating member is moved forward 0.5~1.5mm by the magnetic compression spring (crown shrapnel 5, wave spring 7), After the connecting device is separated from the docking device, the floating piece returns to its original position by the reaction force of the compression spring.

[Advantageous effects of the embodiment]

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 group, an inner casing, a crown-shaped elastic piece, an outer casing and a wave spring. The crown-shaped shrapnel has a ring body and a plurality of elastic parts, the elastic parts are arranged on the ring body at intervals, the crown-shaped shrapnel is arranged on the inner casing, the elastic parts of the crown-shaped shrapnel are in contact with the outer casing, and the wave spring is arranged Between the inner casing and the outer casing, the insulating body, the terminals, the magnet group and the inner casing can be elastically supported by a crown-shaped elastic sheet and a wave spring to form a floating piece. When the connecting device and the docking device are inserted into each other, they can provide floating and guiding functions. The inner casing can be floated on the outer casing by using a crown-shaped elastic sheet. The elastic parts surround the inner casing for interference. In the outer casing, multi-point support can be formed, and wave springs are used with crown-shaped shrapnel to support the inner casing to float on the outer casing, so it can have better floating and guiding effects, so that the connecting device corresponds to the docking device. There will be no deviation between the terminals, and they can be contacted reliably, so that the effect of electrical transmission is better.

The content disclosed above is only a preferred feasible embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, any equivalent technical changes made by using the contents of the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

1: Insulation body 11: Main body 12: Terminal hole 2: Terminal 3: Magnet set 4: Inner shell 41: Inner shell body 42: accommodating slot 43: Opening 44: Perforation 5: Crown shrapnel 51: Ring body 52: Elastic part 521: convex arc surface 53: Through hole 6: Outer shell 61: Shell body 62: accommodating slot 63: Rings 7: Wave spring 8: The first colloid 9: The first positioning ring 10: First cable 20: Second positioning ring 30: Waterproof body 100: Insulating seat 101: Butt terminal 102: Docking magnet group 103: Docking shell 104: Slot 105: Second cable 106: Second colloid

FIG. 1 is a perspective view of a connecting device and a docking device according to the present invention.

FIG. 2 is a perspective view of the connecting device and the docking device of the present invention from another angle.

3 is a cross-sectional view of the connecting device and the docking device of the present invention.

4 is a cross-sectional view of the connecting device and the docking device of the present invention in a state of being inserted.

FIG. 5 is an exploded perspective view of the connecting device of the present invention.

FIG. 6 is an exploded perspective view of the connecting device of the present invention from another angle.

FIG. 7 is an exploded perspective view of the docking device of the present invention.

FIG. 8 is an exploded perspective view of the docking device of the present invention from another angle.

FIG. 9 is a detailed view of part IX of FIG. 3 .

FIG. 10 is an exploded perspective view of the inner casing and the crown-shaped elastic piece of the present invention.

FIG. 11 is a three-dimensional combined view of the inner casing and the crown-shaped shrapnel of the present invention.

1: Insulation body

11: Main body

12: Terminal hole

2: Terminal

3: Magnet set

4: Inner shell

41: Inner shell body

42: accommodating slot

43: Opening

5: Crown shrapnel

51: Ring body

52: Elastic part

521: convex arc surface

53: Through hole

6: Outer shell

61: Shell body

63: Rings

7: Wave spring

8: The first colloid

9: The first positioning ring

10: First cable

20: Second positioning ring

30: Waterproof body

Claims (10)

A connecting device includes: an insulating body; a plurality of terminals, the terminals are arranged on the insulating body; a magnet group, the magnet group is arranged on the insulating body; an inner casing, the inner casing has an inner a shell body, the inner shell body is sleeved on the insulating body; a crown-shaped elastic piece is arranged on the inner shell, the crown-shaped elastic piece has a ring body and a plurality of elastic parts, and the elastic parts are spaced apart is arranged on the ring body; an outer casing, which is sleeved outside the inner casing, and the elastic parts of the crown-shaped elastic pieces are in contact with the outer casing; and a wave spring, the wave spring is arranged in the inner casing Between the casing and the outer casing, the insulating body, the terminals, the magnet group and the inner casing can be elastically supported on the outer casing by the crown-shaped elastic sheet and the wave spring to form a floating piece. The connecting device according to claim 1, wherein the inner shell body has an accommodating groove and a plurality of openings, the accommodating groove is annularly arranged in the inner shell body, and the openings are arranged in the inner shell at intervals On the outer side of the main body, the openings communicate with the accommodating groove, the ring body of the crown-shaped elastic sheet is disposed in the accommodating groove, and the elastic parts protrude out of the inner casing through the openings respectively. The connecting device according to claim 1, wherein one end of the elastic parts is connected to the ring body, the other ends of the elastic parts are bent outwards and extend to protrude from the outer side of the ring body, and the elastic parts form elastic arms Each of these elastic parts has a convex arc surface, the convex arc surface of these elastic parts faces the outer side of the crown-shaped elastic sheet, the convex arc surface of these elastic parts is located outside the inner casing, and a ring-shaped piece is arranged in the outer casing, The convex arc surfaces of the elastic parts abut against the inner side of the ring-shaped member. The connection device as claimed in claim 1, wherein one end of the terminals is electrically connected with a first cable, and a waterproof casing is sleeved between one end of the outer casing and the first cable. The connection device according to claim 4, wherein a first gel is disposed between the terminals and the first cable, the first gel is filled in the inner casing and covers the terminals and the first cable between the lines. The connecting device according to claim 1, wherein the outer casing has an outer casing body, an inner side of the outer casing body is provided with an accommodation groove, the wave spring is arranged in the accommodation groove, and both ends of the wave spring are respectively in contact with the inner casing body and the shell body. The connecting device of claim 3, wherein a first positioning ring is arranged at one end of the inner casing to stop and position the crown-shaped elastic sheet, and a second positioning ring is arranged at one end of the outer casing to prevent stop the ring in place. A combination of a connecting device and a docking device, comprising: the connecting device according to any one of claims 1 to 7; and a docking device, the docking device comprising an insulating base, a plurality of docking terminals, and a docking magnet set and a docking shell, the docking terminals are arranged on the insulating base body, the docking magnet group is set on the insulating base body, the docking shell is sleeved outside the insulating base body; the connecting device can be docked with the insulating base body The devices are plugged into each other so that the terminals and the butt terminals are in contact with each other, so that the connection device and the butt device are electrically connected, and the butt magnet group and the magnet group are magnetically fixed to each other. The combination of the connecting device and the docking device as claimed in claim 8, wherein the insulating base has a slot, the slot is conical, and the inner shell body is conical near one end, matching the slot . The combination of the connecting device and the docking device as claimed in claim 8, wherein one end of the docking terminals is electrically connected with a second cable, the docking terminals and the second cable are electrically connected A second colloid is arranged between the cables, the second colloid is filled in the docking shell and wraps between the docking terminals and the second cable.

Images