TWM626300U - Power connection device - Google Patents

Abstract

A power connection device includes an insulating shell, a first electrical contact piece, and a second electrical contact piece. The insulating shell includes a body and a mounting plate, the body has a first end and a second end, and a cavity extending from the first end to the second end, the mounting plate is integrally formed extending from the body and surrounds the body, and the mounting plate has a mounting surface , and an annular groove formed on the mounting surface and surrounding the body and used to install the sealing ring. The first electrical contact piece includes a first connecting part and a first holding part, the first connecting part is arranged in the cavity of the insulating shell, and has a first flat plate and a plurality of first spring fingers, and the first holding part is connected to the first flat plate and held by the insulating shell. The second electrical contact includes a second connecting portion and a second holding portion. The second connecting portion is disposed in the cavity of the insulating shell and has a second flat plate and a plurality of second spring fingers. The second holding portion is connected to the second flat plate. and held by the insulating shell. The cavity of the insulating shell is encapsulated by the sealing material at the corresponding second end.

Description

power connection device

The new model relates to a connection device, in particular to a power connection device.

WIPO Patent Publication No. WO21127431 discloses an electrical system, in order to form the electrical system, by securing the electrical component with a mounting flange, such as by means of screws extending through the opening of the mounting flange and into the electrical component, the electrical connector is electrically connected to the electrical component. electrical components.

Therein, the electrical connectors and electrical components are oriented relative to mutually aligned axes including a longitudinal axis, a vertical (or vertical) axis, and a transverse (or horizontal) axis. This arrangement is typically referred to as a "vertical" system. Each conductive contact piece has a connecting portion, the connecting portion has a generally rectangular-shaped flat body portion and a plurality of elastic finger portions extending from the flat body portion, and each conductive contact piece also has a flat body portion extending from the flat body portion. A mounting portion and a mounting flange extending from the flat body portion. The conductive contacts are fastened together by fasteners. The base has a side wall, an opposing side wall, and side walls extending between the side walls and the side walls, which define a cavity extending from an abutment or top end of the base to a mounting or bottom end of the base. A longitudinal axis extends along the base from the docking end to the mounting end. Front and rear ends of the cavity are open to define a top opening and a bottom opening. Each side wall has an elongated slot extending from the mating end toward the mounting end and communicating with the cavity and the top opening. The top opening and slot are dimensioned to accommodate the conductive member when the mating edges of the conductive member travel in a mating direction into the top opening and slot. The docking direction extends generally parallel to the longitudinal axis of the base. The base also includes: a first mounting wing extending outwardly from the sidewall and perpendicular to the longitudinal axis of the base; and a second mounting wing extending outwardly from the sidewall and perpendicular to the longitudinal axis of the base. The first mounting wing portion and the second mounting wing portion are horizontally aligned with each other, and the first mounting wing portion and the second mounting wing portion are fixed to the electrical component. However, the above-mentioned prior art does not have a specific structure for waterproofing, so it cannot be applied to equipment requiring waterproofing.

Therefore, an object of the present invention is to provide a power connection device which can improve at least one disadvantage of the prior art.

Therefore, in some embodiments, the novel power connection device includes an insulating shell, a first electrical contact piece, and a second electrical contact piece. The insulating shell includes a body and a mounting plate, the body has a first end and a second end, and a cavity extending from the first end to the second end, the mounting plate is integrally formed and extends from the body Formed on and surrounding the body, the mounting plate has a mounting surface, and an annular groove formed on the mounting surface and surrounding the body, and the annular groove is used to install a sealing ring. The first electrical contact includes a first connecting portion and a first holding portion, the first connecting portion is disposed in the cavity of the insulating shell, and has a first flat plate and a plurality of first spring fingers, the first The flat plate has a first end portion and a second end portion, the first spring fingers extend from the first end portion of the first flat plate toward the first end of the body of the insulating shell, and the first holding portion is connected to the The first plate is held by the insulating shell. The second electrical contact includes a second connecting portion and a second holding portion, the second connecting portion is disposed in the cavity of the insulating shell, and has a second flat plate and a plurality of second spring fingers, the second The flat plate has a first end portion and a second end portion, the second spring fingers extend from the first end portion of the second flat plate toward the first end of the body of the insulating shell, and the second holding portion is connected to the The second plate is held by the insulating shell. Wherein, the first plate and the second plate are fixed together, and a receiving space is jointly defined between the first spring fingers and the second spring fingers, and the cavity of the insulating shell corresponds to the second end Encapsulated by a sealing material.

In some embodiments, the second end portion of the first plate and the second end portion of the second plate extend out of the insulating case through the second end of the insulating case.

In some embodiments, a bus bar electrically connected to at least one of the second end portion of the first plate and the second end portion of the second plate is further included.

In some embodiments, a conductive wire electrically connected to at least one of the second end portion of the first plate and the second end portion of the second plate is further included.

In some embodiments, a plurality of conductive lines electrically connected to the second end portion of the first plate and the second end portion of the second plate are further included.

In some embodiments, a panel having an opening is further included, the mounting surface of the mounting plate of the insulating shell faces the panel, and the sealing ring is located between the mounting plate and the panel.

In some embodiments, the mounting plate and the panel are fixed in a screw locking manner.

In some embodiments, the sealing material is a sealant.

In some embodiments, the sealing material is epoxy resin.

In some embodiments, an overflow prevention structure is provided in the cavity of the insulating shell.

In some embodiments, the sealing material is closer to the second end of the insulating shell than the overflow prevention structure.

The novel power connection device can achieve the waterproof effect through the annular groove of the mounting plate used to install the sealing ring and the sealing material at the second end corresponding to the cavity of the insulating shell. This enables the novel power connection device to be applied to equipment with waterproof requirements.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated by the same reference numerals.

Referring to FIGS. 1 to 5 , a first embodiment of the novel power connection device 100 includes an insulating shell 1 , a first electrical contact piece 2 , a second electrical contact piece 3 , a panel 4 , and a bus bar 5.

The insulating case 1 includes a body 11 and a mounting plate 12 . The main body 11 extends along a front-rear direction D1 (the arrow direction is front, the reverse direction is rear) and has a first end 111 at the front and a second end 112 at the back, and extends from the first end 111 to the The second end 112 penetrates a cavity 113 of the body 11 , the mounting plate 12 is integrally formed extending from the body 11 and surrounds the body 11 , the mounting plate 12 has a mounting surface 121 facing the rear, and is formed An annular groove 122 on the mounting surface 121 and surrounding the main body 11 is used for installing an elastic sealing ring 13 in the annular groove 122 .

The first electrical contact piece 2 includes a first connecting portion 21 and a first holding portion 22 . The first connecting portion 21 is disposed in the cavity 113 of the insulating shell 1 and has a first flat plate 211 and a plurality of first A spring finger 212, the first flat plate 211 extends substantially along the front-rear direction D1 and an up-down direction D2 (the arrow direction is up, the reverse direction is down), and has a first end 211a located in the front and a rear A second end portion 211b, the first spring fingers 212 extend forward from the first end portion 211a of the first plate 211 toward the first end 111 of the main body 11 of the insulating case 1, and are formed along the up-down direction D2 side by side at intervals. The first holding portion 22 is connected to the first flat plate 211 and held by the insulating shell 1 . Specifically, in the first embodiment, the first holding portion 22 has upper and lower portions respectively separated from the first flat plate 211 . Two first holding pieces 221 formed by extending the edge and the lower edge.

The second electrical contact member 3 includes a second connecting portion 31 and a second holding portion 32 . The second connecting portion 31 is disposed in the cavity 113 of the insulating shell 1 and has a second flat plate 311 and a plurality of first Two spring fingers 312, the second flat plate 311 is formed extending substantially along the front-rear direction D1 and the up-down direction D2, and has a first end portion 311a located in the front and a second end portion 311b located in the rear. The spring fingers 312 extend forward from the first end 311a of the second flat plate 311 toward the first end 111 of the main body 11 of the insulating shell 1 , and are arranged side by side at intervals along the up-down direction D2 . The second holding portion 32 is connected to the second flat plate 311 and held by the insulating shell 1 . Specifically, in the first embodiment, the second holding portion 32 has upper and lower portions respectively separated from the second flat plate 311 . Two second holding pieces 321 formed by extending the edge and the lower edge.

Further, the first electrical contact piece 2 and the second electrical contact piece 3 are arranged side by side along a left-right direction D3 (the arrow direction is right, and the reverse direction is left). The flat plate 211 and the second flat plate 311 of the second electrical contact 3 are fixed together by a plurality of fixing members 6 such as rivets, and the first spring fingers 212 and the second spring fingers 312 are jointly delimited A receiving space S located at the first end 111 of the insulating shell 1 , the receiving space S is used for a mating plate 200 to enter, thereby connecting the mating board 200 and the first spring finger 212 of the first electrical contact piece 2 The second spring finger 312 of the second electrical contact piece 3 is in contact with and electrically connected with a positive force.

The second end portion 211b of the first flat plate 211 and the second end portion 211b of the second flat plate 311 extend out of the insulating case 1 through the second end 112 of the insulating case 1 in the first embodiment, and The cavity 113 of the insulating shell 1 is sealed by a sealing material 14 corresponding to the second end 112 , and the sealing material 14 can prevent liquid from passing through the cavity 113 of the insulating shell 1 to produce a waterproof effect. For example, the sealing material 14 can be, but not limited to, a sealant, and its material can be, but not limited to, epoxy resin. In addition, referring to FIG. 6 , in the first embodiment, an anti-overflow structure 15 is disposed in the cavity 113 of the insulating shell 1 , and the sealing material 14 is closer to the first portion of the insulating shell 1 than the anti-overflow structure 15 . Two ends 112 . The overflow prevention structure 15 . In this embodiment, the overflow prevention structure 15 includes two overflow prevention blocks 151 that jointly clamp the first flat plate 211 of the first electrical contact piece 2 and the second flat plate 311 of the second electrical contact piece 3 . , but in other embodiments, the anti-overflow structure 15 may not be two-piece but only cover the first flat plate 211 of the first electrical contact 2 and the second electrical contact in one piece Part of the second plate 311 of 3. When the sealing material 14 is potted, the overflow prevention structure 15 can prevent the sealing material 14 from overflowing into the cavity 113 of the insulating shell 1 . In one embodiment, if the sealing material 14 does not overflow during potting, the overflow prevention structure 15 can be omitted.

The panel 4 has an opening 41 penetrating through the front and rear. The rear portion of the main body 11 of the insulating case 1 close to the second end 112 passes through the opening 41 from front to back. The mounting surface 121 of the mounting plate 12 of the insulating case 1 Facing the panel 4 rearwardly, the sealing ring 13 is located between the mounting plate 12 and the panel 4, and the mounting plate 12 and the panel 4 may be fastened to each other, for example, by screwing, so that the sealing ring 13 is The mounting plate 12 and the panel 4 are sandwiched together, so that the elastic sealing ring 13 seals the gap between the mounting plate 12 and the panel 4 to prevent liquid from passing through the gap between the mounting plate 12 and the panel 4 Waterproof effect is produced by this. For example, in the first embodiment, the panel 4 has a plurality of screw holes 42, the mounting plate 12 has a plurality of through holes 123 corresponding to the screw holes 42, and the through holes 123 are used for screws (Fig. Not shown) is threaded through the screw holes 42 to be screwed.

In the first embodiment, the first connecting portion 21 of the first electrical contact member 2 further includes a first connecting portion 21 extending from the lower edge of the second end portion 211b of the first flat plate 211 along the left-right direction D3 The setting portion 23, the second connecting portion 31 of the second electrical contact member 3 further includes a lower edge extending from the lower edge of the second end portion 211b of the second flat plate 311 along the left-right direction D3 and is connected to the first setting portion 23 A second setting portion 33 is overlapped. The bus bar 5 is used to be fixed on the first setting portion 23 and the second setting portion 33 by means of, for example, screw locking, and is connected to the second end portion 211 b of the first plate 211 of the first electrical contact 2 and the second setting portion 33 . The second end portion 211b of the second flat plate 311 of the second electrical contact member 3 is electrically connected. For example, in the first embodiment, the bus bar 5 has a screw hole 51 , the first setting portion 23 and the second setting portion 33 each have a through hole 231 , 331 , and the through hole 231 , 331 is used for For screws (not shown) to pass through the screw holes 42 . In addition, it should be noted that, in other embodiments, the bus bar 5 may also be connected to only one of the second end portion 211b of the first plate 211 and the second end portion 311b of the second plate 311 are electrically connected.

Referring to FIG. 7 and FIG. 8 , the difference between the second embodiment of the new power connection device 100 and the first embodiment is that the second embodiment further includes a plurality of conductive wires 7 , and the conductive wires 7 The second end portion 211b of the first plate 211 and the second end portion 311b of the second plate 311 are disposed from the left and right sides to be electrically connected to the second end portion 211b of the first plate 211 and the second end portion 311b of the first plate 211 respectively. The second ends 311b of the two flat plates 311 . For example, the conductive wires 7 may be disposed on the second end portion 211b of the first plate 211 and the second end portion 311b of the second plate 311 by welding. It should be noted that, in other embodiments, the number of the conductive wire 7 may be only one, and the conductive wire 7 may only be electrically connected to the second end 211b of the first plate 211 and the second end 211b of the first plate 211 . One of the second end portions 311b of the second plate 311 .

To sum up, the novel power connection device 100 uses the annular groove 122 of the mounting plate 12 for installing the sealing ring 13 and the cavity 113 potted in the insulating shell 1 corresponding to the second end 112 The sealing material 14 can achieve the effect of waterproof, so that the novel power connection device 100 can be applied to the equipment with waterproof requirements.

However, the above are only examples of the present invention, which should not limit the scope of the present invention. Any simple equivalent changes and modifications made in accordance with the scope of the patent application for this new model and the contents of the patent specification are still within the scope of the present invention. within the scope of this new patent.

100: Power connection device 1: Insulating shell 11: Ontology 111: First End 112: Second End 113: Chamber 12: Mounting plate 121: Mounting surface 122: Annular groove 123: perforation 13: sealing ring 14: Sealing material 15: Anti-overflow structure 151: Anti-overflow block 2: The first electrical contact 21: The first connection part 211: The first tablet 211a: First end 211b: second end 212: First Spring Finger 22: The first holding part 221: The first holding piece 23: The first setting section 231: Perforation 3: Second electrical contact 31: Second connecting part 311: Second Plate 311a: First end 311b: Second end 312: Second spring finger 32: The second holding part 321: The second holding piece 33: Second setting section 331: Perforation 4: Panel 41: Opening 42: screw hole 5: Bus bar 51: screw hole 6: Fasteners 7: Conductive wire 200: Docking plate D1: Front and rear direction D2: up and down direction D3: left and right direction S: receiving space

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: 1 is a perspective view of a first embodiment of the novel power connection device and a docking plate; 2 is another perspective view of the first embodiment and the docking plate viewed from another perspective; Fig. 3 is a perspective exploded view of Fig. 1; Fig. 4 is a perspective exploded view of Fig. 2; Fig. 5 is a perspective exploded view further based on Fig. 3; 6 is a schematic cross-sectional view of this embodiment; 7 is a perspective view of a second embodiment of the novel power connection device; and FIG. 8 is an exploded perspective view of FIG. 7 .

100: Power connection device

1: Insulating shell

11: Ontology

111: First End

112: Second End

113: Chamber

12: Mounting plate

121: Mounting surface

122: Annular groove

123: perforation

13: sealing ring

14: Sealing material

15: Anti-overflow structure

151: Anti-overflow block

2: The first electrical contact

21: The first connection part

211: The first tablet

211a: First end

211b: second end

212: First Spring Finger

22: The first holding part

221: The first holding piece

23: The first setting section

231: Perforation

3: Second electrical contact

31: Second connecting part

311: Second Plate

311a: First end

311b: Second end

312: Second spring finger

32: The second holding part

321: The second holding piece

33: Second setting section

331: Perforation

4: Panel

41: Opening

42: screw hole

5: Bus bar

51: screw hole

6: Fasteners

200: Docking plate

D1: Front and rear direction

D2: up and down direction

D3: left and right direction

S: receiving space

Claims (11)

A power connection device, comprising: An insulating shell includes a body and a mounting plate, the body has a first end and a second end, and a cavity extending from the first end to the second end, the mounting plate is integrally formed from the body extending and surrounding the body, the mounting plate has a mounting surface, and an annular groove formed on the mounting surface and surrounding the body, the annular groove is used to install a sealing ring; A first electrical contact piece includes a first connecting portion and a first holding portion, the first connecting portion is disposed in the cavity of the insulating shell, and has a first flat plate and a plurality of first spring fingers. A flat plate has a first end portion and a second end portion, the first spring fingers extend from the first end portion of the first flat plate toward the first end of the body of the insulating shell, and the first holding portion is connected to on the first plate and held by the insulating shell; and A second electrical contact piece includes a second connecting portion and a second holding portion, the second connecting portion is disposed in the cavity of the insulating shell, and has a second flat plate and a plurality of second spring fingers, the first The two flat plates have a first end portion and a second end portion, the second spring fingers extend from the first end portion of the second flat plate toward the first end of the body of the insulating shell, and the second holding portion is connected to on the second plate and held by the insulating shell; Wherein, the first plate and the second plate are fixed together, and a receiving space is jointly defined between the first spring fingers and the second spring fingers, and the cavity of the insulating shell corresponds to the second end Encapsulated by a sealing material. The power connection device of claim 1, wherein the second end of the first flat plate and the second end of the second flat plate extend out of the insulating case through the second end of the insulating case. The power connection device according to claim 1 or claim 2, further comprising a bus bar electrically connected to at least one of the second end of the first plate and the second end of the second plate . The power connection device according to claim 1 or claim 2, further comprising a conductive wire electrically connected to at least one of the second end portion of the first plate and the second end portion of the second plate . The power connection device according to claim 1 or claim 2, further comprising a plurality of conductive wires electrically connected to the second end portion of the first plate and the second end portion of the second plate, respectively. The power connection device of claim 1, further comprising a panel having an opening, the mounting surface of the mounting plate of the insulating shell faces the panel, and the sealing ring is located between the mounting plate and the panel. The power connection device according to claim 6, wherein the mounting plate and the panel are fixed in a screw locking manner. The power connection device according to claim 1, wherein the sealing material is a sealant. The power connection device according to claim 1, wherein the sealing material is epoxy resin. The power connection device according to claim 1, wherein an overflow prevention structure is arranged in the cavity of the insulating shell. The power connection device of claim 10, wherein the sealing material is closer to the second end of the insulating shell than the overflow prevention structure.

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