CN218867428U

CN218867428U - High current female terminal casing, high current female terminal

Info

Publication number: CN218867428U
Application number: CN202222689322.4U
Authority: CN
Inventors: 曾波
Original assignee: Yiweikang Wuhan Electronic Technology Co ltd
Current assignee: Yiweikang Wuhan Electronic Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-04-14
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a female terminal casing of high current and female terminal of high current, include: a first terminal plate and a second terminal plate; the first terminal board and the second terminal board respectively comprise a first end and a second end, a preset distance is reserved between the first ends of the first terminal board and the second terminal board to form a containing cavity for containing the reed, and the second ends of the first terminal board and the second terminal board are mutually stacked; the accommodating cavity is provided with at least one opening; the first terminal plate or the second terminal plate has second ends of different lengths, wherein the long second end includes a folded portion folded by 180 °. The utility model has the advantages that: adopt bilayer structure, first end forms takes two open-ended to accept the chamber to form the female terminal structure of inserting the male terminal from the place ahead or side as required, turn over the welding of folding portion and short second end butt joint back range upon range of welding on long second end, thereby improved the route that the electric current flows, make the electric current even, improved the electric property of terminal.

Description

High current female terminal casing, high current female terminal

Technical Field

The utility model relates to an electric connector field especially relates to a female terminal casing of high current and female terminal of high current.

Background

The electric connector of heavy current includes male terminal and female terminal, still includes the reed in order to connect male terminal and female terminal, and the contact point of reed and male terminal and female terminal is the contact. Current flows through the contacts to flow from the male terminal into the female terminal, or from the female terminal into the male terminal. See patent CN213959274U, which discloses a high current electrical connector structure; take the case where current flows from the male terminal to the female terminal: the current from the male terminal flows to the upper side and the lower side of the socket contact part from the upper side and the lower side of the U-shaped reed respectively, then is gathered to the wire connecting part, and then flows to the wire from the wire connecting part; taking fig. 1 as an example, it is obvious that the current flowing into the upper side of the socket contact part will firstly flow into the lower side of the socket contact part through the connection part between the upper side and the lower side, and then flow into the wire connection part; that is, paths of the current flowing into the upper and lower sides of the socket contact are different, which causes the density of the current flowing on the female terminal to be non-uniform; this condition has an impact on the terminal performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an even high current female terminal casing of electric current and high current female terminal.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a high current female terminal housing, comprising:

a first terminal plate and a second terminal plate;

the first terminal plate and the second terminal plate respectively comprise a first end and a second end, a preset distance is reserved between the first ends of the first terminal plate and the second terminal plate to form a containing cavity for containing a reed, and the second ends of the first terminal plate and the second terminal plate are mutually stacked;

the accommodating cavity is provided with at least one opening;

the first terminal board or the second terminal board has second ends of different lengths, wherein the long second end includes a folded part folded by 180 °.

Preferably, the second end of the short length is butted against the folded part and is stacked on the second end of the long length.

Preferably, the length ratio between the short second end, the fold and the long second end is 1.

Preferably, the short second end and the folded part are welded to the long second end.

Preferably, the first ends of the first terminal plate and the second terminal plate each include a first side connected to each other, and further include a second side opposite to the first side.

Preferably, a connection plate is provided at one or both ends of the second side of the first terminal plate or the second terminal plate, the connection plate facing and being connected to the second terminal plate or the first terminal plate.

Preferably, a pin hole is formed in the connecting plate, and a pin penetrating through the pin hole is formed in the second side of the second terminal plate or the first terminal plate.

Preferably, the direction in which the spring plate is inserted into the opening is a first direction, and the direction perpendicular to the first direction is a second direction, and a plurality of limiting protrusions protruding toward the receiving cavity and used for limiting the movement of the spring plate in the first direction and/or the second direction are arranged on the first end of the first terminal plate and/or the second terminal plate.

Preferably, the first end of the first terminal plate and/or the second terminal plate is provided with a plurality of stop holes penetrating through the first end of the first terminal plate and/or the second end of the second terminal plate to limit the movement of the spring leaves in the first direction.

Preferably, the first terminal plate and the second terminal plate are integrally formed by die cutting and bending the conductor.

Preferably, the conductor is copper, aluminum, copper-aluminum alloy or silver-plated copper.

Preferably, the long second end is provided with a through riveting hole.

Preferably, the first and second ends of the first and second terminal plates are located on different planes.

Still provide a high current female terminal, it includes high current female terminal casing, accept the reed that the intracavity card was equipped with the U font.

The utility model has the advantages that: adopt bilayer structure, first end forms takes two open-ended to accept the chamber to form the female terminal structure of inserting the male terminal from the place ahead or side as required, turn over the welding of folding portion and short second end butt joint back range upon range of welding on long second end, thereby improved the route that the electric current flows, make the electric current even, improved the electric property of terminal.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

fig. 2 is a schematic perspective view of a second embodiment of the present invention;

fig. 3 is a schematic perspective view of another angle of the second embodiment of the present invention;

fig. 4 is a cross-sectional view of the high current female and male terminals of the present invention in a connected state.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 4, the high current female terminal housing of the present invention includes a first terminal plate 10 and a second terminal plate 12 in strip shapes, wherein the first terminal plate 10 and the second terminal plate 12 are formed by bending after being die-cut by a conductor; the whole is integrally formed, and the processing is convenient.

The first terminal plate 10 and the second terminal plate 12 each include a first end 14 and a second end 16, the first ends 14 of the first terminal plate 10 and the second terminal plate 12 have a predetermined distance therebetween to form a receiving cavity 18 for receiving a spring, and the second ends 16 of the first terminal plate 10 and the second terminal plate 12 are stacked on each other.

The first and

second ends

14 and 16 of the first and

second terminal plates

10 and 12 are located on different planes to form a zigzag female terminal structure, i.e., a stepped structure. One end of the connecting rod is used for connecting a male terminal, the other end of the connecting rod is used for connecting a lead, and the connecting rod is provided with a convex step structure which is convenient for fixing the lead.

The first terminal plate 10 or the second terminal plate 12 has second ends 16 of different lengths, wherein the long second end 16 comprises a folded portion 20 folded over by 180 °. The short second end 16 is butted against the flap 20 and is stacked on the long second end 16. The ratio of the length between the short second end 16, the flap 20 and the long second end 16 is 1. The short second end 16 and the flap 20 are welded to the long second end 16. With this structure, the current on the first terminal board 10 directly flows into the wire through the second terminal 16, which is substantially the same as the path of the current on the second terminal board 12, so that the current is uniform.

In this embodiment, the second end 16 of the second terminal plate 12 is longer, and the end portion thereof is folded upward to form a folded portion 20, and the folded portion 20 is stacked on the second end 16 of the second terminal plate 12 and welded. The second end 16 of the first terminal plate 10 is also welded to the second end 16 of the second terminal plate 12.

The first ends 14 of the first and

second terminal plates

10, 12 each include a first side 22 that is interconnected and a second side 24 that is opposite the first side 22.

The second side 24 of the first terminal plate 10 is provided at one end with a connection plate 26, which connection plate 26 faces and is connected to the second terminal plate 12.

Specifically, the connecting plate 26 is provided with a pin hole 28, and the second side 24 of the second terminal plate 12 or the first terminal plate 10 is provided with a pin 30 penetrating the pin hole 28.

By means of the connecting plate 26, the accommodating cavity 18 has 2 mutually perpendicular openings 32, and different openings 32 are selected as the insertion openings of the male terminals, so as to form two embodiments of the invention.

The first end 14 of the first terminal plate 10 and/or the second terminal plate 12 is provided with a plurality of limiting projections 34 protruding into the receiving cavity to limit the movement of the spring in the first direction and/or the second direction, with the direction of the spring inserting opening 32 as the first direction and the direction perpendicular to the first direction as the second direction.

The first terminal plate 10 and/or the first end 14 of the second terminal plate 12 are provided with a plurality of stop holes 36 therethrough for limiting the movement of the spring in the first direction. The retaining hole 36 may be formed on the front surface or the side surface.

The conductor is copper, aluminum, copper aluminum alloy or silver-plated copper.

The second end 16 is provided with a through rivet hole 38, and the rivet hole 38 is used for connecting with a wire.

Further, the present invention also provides a high current female terminal using the high current female terminal housing, and fig. 4 shows a schematic structural view of the connection with the male terminal 42, wherein a U-shaped spring plate 40 is clamped in the receiving cavity 18.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A high current female terminal housing, comprising:

a first terminal plate and a second terminal plate;

the accommodating cavity is provided with at least one opening;

the first terminal plate or the second terminal plate has second ends of different lengths, wherein the long second end includes a folded portion folded by 180 °.

2. The high current female terminal housing of claim 1, wherein: the short second end is butted against the turnover part and is stacked on the long second end.

3. The high current female terminal housing of claim 1, wherein: the ratio of the length between the short second end, the fold and the long second end is 1.

4. A high current female terminal housing according to any one of claims 1 to 3, wherein: the short second end and the folded part are welded on the long second end.

5. The high current female terminal housing of claim 1, wherein: the first ends of the first and second terminal plates each include a first side connected to each other and a second side opposite to the first side.

6. The high current female terminal housing of claim 5, wherein: and one end or two ends of the second side of the first terminal board or the second terminal board are provided with a connecting plate, and the connecting plate faces the second terminal board or the first terminal board and is connected with the second terminal board or the first terminal board.

7. The high current female terminal housing of claim 6, wherein: the connecting plate is provided with a pin hole, and the second side of the second terminal plate or the first terminal plate is provided with a pin post penetrating through the pin hole.

8. The high current female terminal housing of claim 1, wherein: the direction of inserting the spring plate into the opening is taken as a first direction, the direction perpendicular to the first direction is taken as a second direction, and a plurality of limiting lugs which protrude towards the accommodating cavity and are used for limiting the spring plate to move in the first direction and/or the second direction are arranged at the first end of the first terminal plate and/or the second terminal plate.

9. The high current female terminal housing of claim 8, wherein: and the first end of the first terminal plate and/or the second terminal plate is/are provided with a plurality of stop holes which penetrate through the first end of the first terminal plate and/or the second end of the second terminal plate and are used for limiting the movement of the reeds in the first direction.

10. The high current female terminal housing of claim 1, wherein: the first terminal board and the second terminal board are integrally formed by die cutting and bending of the conductor.

11. The high current female terminal housing of claim 10, wherein: the conductor is copper, aluminum, copper-aluminum alloy or silver-plated copper.

12. The high current female terminal housing of claim 1, wherein: and the long second end is provided with a through riveting hole.

13. The high current female terminal housing of claim 1, wherein: the first and second ends of the first and second terminal plates are located on different planes.

14. A high current female terminal, its characterized in that: the high-current female terminal housing according to any one of claims 1 to 13, wherein a U-shaped spring plate is clamped in the receiving cavity.