CN217306781U - Electrical connection assembly and connector - Google Patents

Abstract

The utility model discloses an electric connection component and connector. The electrical connection assembly includes: a pair of flat conductors arranged to overlap each other in a thickness direction thereof, and including a flat conductor core having an electrical connection portion for electrical connection exposed from one end of an insulating layer and an insulating layer coated on the flat conductor core; and a pair of connection cylinders connected to the electrical connection portions of the pair of flat conductor cores, respectively, for electrical connection with the two mating connection terminals, respectively. In the present invention, a pair of flat conductors are arranged to overlap each other in the thickness direction thereof, and therefore, the width of the flat conductors can be increased, and the current carrying capacity of the flat conductors is improved.

Description

Electrical connection assembly and connector

Technical Field

The utility model relates to an electric connection component for connector for electric connector of connector and including this electric connection component's connector.

Background

In the prior art, a high-voltage connector generally includes a housing, a pair of terminals, and a pair of flat conductors. A pair of terminals are typically mounted side-by-side in the housing. A pair of flat conductors are also arranged side by side and electrically connected to the pair of terminals, respectively. In the prior art, since a pair of flat conductors are arranged side by side, the width of the flat conductors is limited, and the width of the flat conductors is generally equivalent to the width of the terminals, which seriously affects the current carrying capacity of the flat conductors.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to solve at least one of the above problems and drawbacks existing in the prior art.

According to an aspect of the present invention, there is provided an electrical connection assembly for a connector, comprising: a pair of flat conductors arranged to overlap each other in a thickness direction thereof, and including a flat conductor core having an electrical connection portion for electrical connection exposed from one end of an insulating layer and an insulating layer coated on the flat conductor core; and a pair of connecting cylinders connected to the electrical connection portions of the pair of flat conductor cores, respectively, for electrical connection with the two mating connection terminals, respectively.

According to an exemplary embodiment of the present invention, the electrical connection portion of the flat conductor core includes: a connection end portion biased to one side in a width direction of the flat conductor; and a connection base connected between the connection end portion and the body of the flat conductor core, the connection cylinder being connected to the connection end portion of the electrical connection portion.

According to another exemplary embodiment of the present invention, the connection end portions of the pair of flat conductor cores of the pair of flat conductors are spaced apart from each other by a first interval in the width direction.

According to another exemplary embodiment of the present invention, the connection bases of the pair of flat conductor cores of the pair of flat conductors partially overlap each other in the thickness direction.

According to another exemplary embodiment of the present invention, the connection bases of the pair of flat conductor cores are spaced apart from each other by a second interval in the thickness direction.

According to another exemplary embodiment of the present invention, the connection base portions of the flat conductor cores are biased to one side in a thickness direction of the flat conductor, and the connection base portions of the pair of flat conductor cores are offset toward a direction away from each other to increase the second pitch.

According to another exemplary embodiment of the present invention, the connection base includes two sides opposite in the width direction, and at least a portion of at least one side of the connection base extends obliquely with respect to the length direction of the flat conductor so that the width of at least a portion of the connection base gradually increases in a direction away from the connection end portion.

According to another exemplary embodiment of the present invention, the connection end portion has a first width, the body of the flat conductor core has a second width, the first width is less than half the second width; a width of at least a portion of the connection base varies from the first width to the second width.

According to another exemplary embodiment of the present invention, the connection end portion includes two sides opposite in the width direction, and the two sides of the connection end portion extend in the length direction of the flat conductor.

According to another exemplary embodiment of the present invention, a riveting hole is formed on the connection end portion, the connection cylinder includes a riveting portion riveted into the riveting hole and a boss protruding from the riveting hole, and a top surface of the boss is used for electrically contacting with a mating connection terminal.

According to another exemplary embodiment of the present invention, the connection end portion is biased to one side in a thickness direction of the connection base portion, and the connection end portions of the pair of flat conductor cores are offset toward a direction approaching each other.

According to another exemplary embodiment of the present invention, the connecting end portion has a first surface and a second surface opposite in the thickness direction; one of the pair of connector barrels is riveted to a first surface of one of the connector end portions and the other is riveted to a second surface of the other of the connector end portions.

According to another exemplary embodiment of the present invention, the connection end portions of the pair of flat conductor cores are flush with each other in the thickness direction; and the top surfaces of the bosses of the pair of connector barrels are located in the same plane perpendicular to the thickness direction.

According to another exemplary embodiment of the present invention, the connecting cylinder is made of copper and the flat conductor core is made of aluminum.

According to another exemplary embodiment of the present invention, the pair of flat conductors are identical and can be used interchangeably with each other; and/or the pair of connector barrels are identical and can be used interchangeably with each other.

According to another exemplary embodiment of the present invention, the electrical connection assembly further includes a coating layer which is hermetically wrapped on a connection base of the electrical connection portion and a portion of a connection end of the electrical connection portion, a portion of the coating layer is wrapped on the insulating layer of the pair of flat conductors, and the connecting cylinder is located outside the coating layer.

According to another exemplary embodiment of the present invention, the coating layer is made of an elastic material, and a sealing structure adapted to be fitted with an inner wall of a housing of the connector is formed on an outer surface of the portion of the coating layer, the sealing structure being for sealing a gap between an insulating layer of the pair of flat conductors and the inner wall of the housing.

According to another exemplary embodiment of the present invention, the sealing structure includes a plurality of annular protrusions formed on an outer surface of the portion of the covering layer, the plurality of annular protrusions being spaced apart from each other in a length direction of the flat conductor.

According to another exemplary embodiment of the present invention, the coating layer is an integral injection molded part formed by insert injection molding.

According to another aspect of the present invention, there is also provided a connector, including: a housing; and the electrical connection assembly is mounted in the shell.

According to another aspect of the present invention, there is also provided an electrical connector for a connector, including: a flat conductor core; and an insulating layer coated on the flat conductor core, the flat conductor core having a body and an electrical connection portion exposed from one end of the insulating layer, the electrical connection portion including a connection base portion and a connection end portion, the connection base portion being connected between the connection end portion and the body of the flat conductor core, and the connection end portion being biased to one side in a width direction of the body of the flat conductor core.

According to an exemplary embodiment of the invention, the flat conductor core is a busbar.

According to another exemplary embodiment of the present invention, the flat conductor core is a profile shaped part.

In each of the foregoing exemplary embodiments according to the present invention, the pair of flat conductors are arranged to overlap each other in the thickness direction thereof, and therefore, the width of the flat conductors can be increased, and the current carrying capacity of the flat conductors is improved.

Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.

Drawings

Fig. 1 shows a perspective view of an electrical connection assembly for a connector according to an exemplary embodiment of the present invention;

FIG. 2 is an exploded view of the electrical connection assembly shown in FIG. 1;

FIG. 3 is a perspective view of a pair of flat conductors of the electrical connection assembly shown in FIG. 2;

FIG. 4 is a perspective view of a pair of connection terminals and a pair of connector barrels of the electrical connection assembly of FIG. 2;

FIG. 5 is a schematic view showing the assembly of a flat conductor, a connecting terminal and a connector barrel of the electrical connection assembly of FIG. 1;

FIG. 6 is an exploded view of a flat conductor, a connecting terminal and a connector barrel of the electrical connection assembly of FIG. 1;

FIG. 7 is a side view of a pair of flat conductors of the electrical connection assembly shown in FIG. 2;

FIG. 8 is a top view of a pair of flat conductors of the electrical connection assembly of FIG. 2;

FIG. 9 shows a side view of the electrical connection assembly of FIG. 2 with only one connection terminal shown in the upper portion;

FIG. 10 shows a side view of the electrical connection assembly of FIG. 2 with only one connection terminal shown in the lower portion;

FIG. 11 shows a side view of the electrical connection assembly shown in FIG. 2;

fig. 12 shows a perspective view of an electrical connection assembly for a connector according to another exemplary embodiment of the present invention;

FIG. 13 shows a longitudinal cross-sectional view of the electrical connection assembly shown in FIG. 12;

fig. 14 shows a perspective view of an electrical connection assembly for a connector according to another exemplary embodiment of the present invention;

figure 15 shows an exploded view of a flat conductor and a connector barrel of the electrical connection assembly of figure 14;

fig. 16 is a schematic view showing a covering layer for sealing formed on one end of the flat conductor of the electrical connection assembly shown in fig. 14.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the drawings is intended to explain the general inventive concept and should not be construed as limiting the invention.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.

According to a general technical concept of the present invention, there is provided an electrical connection assembly for a connector, including: a pair of flat conductors arranged to overlap each other in a thickness direction thereof, and including a flat conductor core having an electrical connection portion for electrical connection exposed from one end of an insulating layer and an insulating layer coated on the flat conductor core; and a pair of connecting cylinders connected to the electrical connection portions of the pair of flat conductor cores, respectively, for electrical connection with the two mating connection terminals, respectively.

According to another general technical concept of the present invention, there is provided an electrical connector for a connector, including: a flat conductor core; and an insulating layer coated on the flat conductor core, the flat conductor core having a body and an electrical connection portion exposed from one end of the insulating layer, the electrical connection portion including a connection base portion and a connection end portion, the connection base portion being connected between the connection end portion and the body of the flat conductor core, and the connection end portion being biased to one side in a width direction of the body of the flat conductor core.

According to another general technical concept of the present invention, there is provided a connector, including: a housing; and the electrical connection assembly is mounted in the shell.

Fig. 1 shows a perspective view of an electrical connection assembly for a connector according to an exemplary embodiment of the present invention; FIG. 2 is an exploded view of the electrical connection assembly shown in FIG. 1; fig. 3 is a perspective view of a pair of flat conductors 10 of the electrical connection assembly shown in fig. 2.

As shown in fig. 1 to 3, in the illustrated embodiment, the electrical connection assembly for a connector includes a pair of flat conductors 10. The pair of flat conductors 10 are arranged to overlap each other in the thickness direction Z thereof. That is, projections of the pair of flat conductors 10 in the thickness direction Z overlap each other. For example, in an exemplary embodiment of the present invention, a pair of flat conductors 10 may be stacked one on top of the other. Thus, the width of the flat conductor 10 can be increased to improve the current carrying capacity of the flat conductor 10.

As shown in fig. 1 to 3, in the illustrated embodiment, the flat conductor 10 includes a flat conductor core 11 and an insulating layer 12 coated on the flat conductor core 11. The flat conductor core 11 has an electrical connection portion 110 exposed from one end of the insulating layer 12 for electrical connection. In an exemplary embodiment of the present invention, the aforementioned electrical connection portion 110 may be formed by cutting and bending the flat conductor core 11 exposed from the insulating layer 12, for example.

Fig. 4 shows a perspective view of a pair of connection terminals 20 and a pair of connection barrels 30 of the electrical connection assembly shown in fig. 2; fig. 5 shows an assembled view of one flat conductor 10, one connection terminal 20 and one connector barrel 30 of the electrical connection assembly shown in fig. 1; fig. 6 shows an exploded view of one flat conductor 10, one connection terminal 20 and one connector barrel 30 of the electrical connection assembly shown in fig. 1; fig. 7 shows a side view of a pair of flat conductors 10 of the electrical connection assembly shown in fig. 2; fig. 8 shows a top view of a pair of flat conductors 10 of the electrical connection assembly shown in fig. 2.

As shown in fig. 1 to 8, in the illustrated embodiment, the electrical connection portion 110 of the flat conductor core 11 includes: a connecting end portion 111 and a connecting base portion 112. The connection end portion 111 is biased to one side in the width direction X of the flat conductor 10. The connection base 112 is connected to the connection end 111 and is located between one end of the insulating layer 12 and the connection end 111. The connection base 112 is connected between the connection end portion 111 and the body 120 of the flat conductor core 11.

As shown in fig. 1 to 8, in the illustrated embodiment, the connection end portions 111 of the pair of flat conductor cores 11 of the pair of flat conductors 10 are spaced apart from each other by a first spacing D1 in the width direction X.

As shown in fig. 1 to 8, in the illustrated embodiment, the connection bases 112 of the pair of flat conductor cores 11 of the pair of flat conductors 10 partially overlap each other in the thickness direction Z. That is, the projections of the connection base portions 112 of the pair of flat conductor cores 11 in the thickness direction Z partially overlap each other.

As shown in fig. 1 to 8, in the illustrated embodiment, the connection bases 112 of the pair of flat conductor cores 11 are spaced apart from each other by a second pitch D2 in the thickness direction Z. In the illustrated embodiment, the connection bases 112 of the flat conductor cores 11 are offset to one side in the thickness direction Z of the flat conductor 10, and the connection bases 112 of the pair of flat conductor cores 11 are offset in a direction away from each other to increase the second pitch D2.

As shown in fig. 1 to 8, in the illustrated embodiment, the connection base 112 includes two side surfaces opposed in the width direction X, and at least a portion of at least one side surface 112a of the connection base 112 extends obliquely with respect to the length direction Y of the flat conductor 10 such that the width of at least a portion of the connection base 112 gradually increases in a direction away from the connection end portion 111. That is, the width of at least a part of the connection base 112 gradually increases in a direction toward the body 120 of the flat conductor core 11.

As shown in fig. 1 to 8, in the illustrated embodiment, the connection end portion 111 includes two side surfaces that are opposite in the width direction X, and the two side surfaces of the connection end portion 111 extend in the length direction Y of the flat conductor 10. In the illustrated embodiment, the width of the connection end portion 111 is less than half the width of the body 120 of the flat conductor core 11. In the illustrated embodiment, the connection end portion 111 has a first width, the body 120 of the flat conductor core 11 has a second width, and the width of at least a portion of the connection base portion 112 varies from the first width to the second width. As shown in fig. 1 to 8, in the illustrated embodiment, the connection end portion 111 and the connection base portion 112 are flush with each other in the thickness direction Z. That is, two surfaces of the connection end portion 111 opposing in the thickness direction Z are flush with two surfaces of the connection base portion 112 opposing in the thickness direction Z, respectively. Therefore, in the illustrated embodiment, the pitch of the connection end portions 111 of the pair of flat conductor cores 11 in the thickness direction Z is also equal to the aforementioned second pitch D2.

Fig. 9 shows a side view of the electrical connection assembly shown in fig. 2, in which only one connection terminal 20 is shown in the upper part; fig. 10 shows a side view of the electrical connection assembly shown in fig. 2, in which only one connection terminal 20 of the lower part is shown; fig. 11 shows a side view of the electrical connection assembly shown in fig. 2.

As shown in fig. 1 to 11, in the illustrated embodiment, the electrical connection assembly further includes a pair of connection terminals 20. The connection terminals 20 include first portions 21, and the first portions 21 of the pair of connection terminals 20 are connected to both surfaces of the connection end portions 111 of the pair of flat conductor cores 11 facing each other, respectively. The pair of connection terminals 20 are spaced apart from each other in the width direction X.

As shown in fig. 1 to 11, in the illustrated embodiment, the connection end portions 111 of the pair of flat conductor cores 11 are spaced apart from each other by a first spacing D1 in the width direction X, and at least a part of the first portions 21 of the pair of connection terminals 20 are spaced apart by a spacing equal to the first spacing D1 in the width direction X.

As shown in fig. 1 to 11, in the illustrated embodiment, the first portion 21 of the connection terminal 20 is also connected to the surface of the connection base 112 of the flat conductor core 11 to increase the electrical connection area between the connection terminal 20 and the electrical connection portion 110 of the flat conductor core 11.

As shown in fig. 1 to 11, in the illustrated embodiment, the connection end portions 111 of the pair of flat conductor cores 11 are spaced apart from each other by a second spacing D2 in the thickness direction Z, and the second spacing D2 is larger than the thickness of the connection terminal 20. Therefore, as shown in fig. 9 and 10, in the illustrated embodiment, the first portion 21 of one connection terminal 20 electrically connected to one flat conductor core 11 is spaced from the other flat conductor core 11 in the thickness direction Z by a predetermined spacing D equal to the difference between the aforementioned second spacing D2 and the thickness of the connection terminal 20.

As shown in fig. 1 to 11, in the illustrated embodiment, the first portion 21 of the connection terminal 20 may be soldered to the electrical connection 110 of the flat conductor core 11, for example, may be ultrasonically soldered to the electrical connection 110 of the flat conductor core 11. Note, however, that the present invention is not limited to the illustrated embodiment, and for example, the first portion 21 of the connection terminal 20 may be electrically connected to the electrical connection portion 110 of the flat conductor core 11 by caulking, crimping, or other suitable means.

As shown in fig. 1 to 11, in the illustrated embodiment, the connection terminal 20 further includes a second portion 22 extending beyond the electrical connection portion 110 of the flat conductor core 11 in the length direction of the flat conductor 10, the second portion 22 of the connection terminal 20 being for electrical connection with a mating connection terminal (not shown).

As shown in fig. 1-11, in the illustrated embodiment, the electrical connection assembly further includes a pair of connector barrels 30. A pair of connector barrels 30 are respectively connected to the second portions 22 of the pair of connection terminals 20 for electrical connection with the two mating connection terminals, respectively.

As shown in fig. 1 to 11, in the illustrated embodiment, a staking hole 221 is formed in the second portion 22 of the connection terminal 20. The connector barrel 30 includes a staking portion 31 staked into the staking hole 221 and a boss portion 32 protruding from the staking hole 221. The top surface 32a of the boss 32 of the connector barrel 30 is used for electrical contact with the mating connection terminal.

As shown in fig. 1 to 11, in the illustrated embodiment, the second portions 22 of the connection terminals 20 are offset to one side in the thickness direction Z of the first portion 21, and the second portions 22 of the pair of connection terminals 20 are offset in a direction to approach each other so that the second portions 22 of the pair of connection terminals 20 are flush with each other in the thickness direction Z.

As shown in fig. 1 to 11, in the illustrated embodiment, the second portion 22 of the connection terminal 20 has a first surface 20a and a second surface 20b that are opposed in the thickness direction Z. One of the pair of connector barrels 30 is riveted to the first surface 20a of the second portion 22 of one of the connection terminals 20, and the other connector barrel 30 is riveted to the second surface 20b of the second portion 22 of the other of the connection terminals 20.

As shown in fig. 1 to 11, in the illustrated embodiment, a pair of flat conductors 10 are identical to each other and can be used with each other. The pair of connection terminals 20 are identical to each other and can be used with each other. The pair of connector barrels 30 are identical to each other and can be interoperable with each other. Thus, the manufacturing cost can be reduced.

As shown in fig. 1 to 11, in the illustrated embodiment, the second portions 22 of the pair of connection terminals 20 are flush with each other in the thickness direction Z. That is, both surfaces of one connection terminal 20 opposing in the thickness direction Z are flush with both surfaces of the other connection terminal 20 opposing in the thickness direction Z and perpendicular to the thickness direction Z, respectively.

As shown in fig. 1 to 11, in the illustrated embodiment, the top surfaces 32a of the bosses 32 of the pair of connector barrels 30 are located in the same plane perpendicular to the thickness direction Z.

As shown in fig. 1 to 11, in the illustrated embodiment, the connection terminal 20 and the connection barrel 30 are made of copper to improve the conductive ability of the connection terminal 20 and the connection barrel 30. The flat conductor core 11 is made of aluminum to reduce manufacturing costs.

Although not shown, in an exemplary embodiment of the present invention, the aforementioned connecting cylinder 30 may also be integrally formed on the second portion 22 of the connecting terminal 20.

Fig. 12 shows a perspective view of an electrical connection assembly for a connector according to another exemplary embodiment of the present invention; fig. 13 shows a longitudinal cross-sectional view of the electrical connection assembly shown in fig. 12.

As shown in fig. 1-13, in the illustrated embodiment, the electrical connection assembly further includes an insulative coating 40. The covering layer 40 is hermetically wrapped on the electrical connection portion 110 of the flat conductor core 11 and the first portion 21 of the connection terminal 20. A portion 41 of the coating 40 is wrapped over the insulation 12 of the pair of flat conductors 10 and the connector barrel 30 is located outside the coating 40.

As shown in fig. 1 to 13, in the illustrated embodiment, the connection portion between the electrical connection portion 110 and the connection terminal 20 is hermetically wrapped in the cover 40. Thus, the connection portion between the electrical connection portion 110 and the connection terminal 20 can be isolated from the external environment. Therefore, the connection portion between the electrical connection portion 110 and the connection terminal 20 can be prevented from being contacted with moisture, so that electrochemical corrosion of the connection portion between the electrical connection portion 110 and the connection terminal 20 can be prevented, and the service life of the electrical connection assembly can be prolonged.

As shown in fig. 1-13, in the illustrated embodiment, the cover 40 is made of an elastomeric material, for example, the cover 40 may be made of silicone or other suitable thermoset material. The coating 40 may be a one-piece injection molded part formed by insert injection molding.

As shown in fig. 1 to 13, in the illustrated embodiment, a sealing structure 41a adapted to fit with an inner wall of a housing (not shown) of the connector is formed on an outer surface of a portion 41 of the covering 40, the sealing structure 41a being for sealing a gap between the insulating layer 12 of the pair of flat conductors 10 and the inner wall of the housing.

As shown in fig. 1 to 13, in the illustrated embodiment, the sealing structure 41a of the covering layer 40 includes a plurality of annular protrusions 41a formed on the outer surface of a portion 41 of the covering layer 40, the plurality of annular protrusions 41a being spaced apart from each other in the length direction of the flat conductor 10.

Fig. 14 shows a perspective view of an electrical connection assembly for a connector according to another exemplary embodiment of the present invention; fig. 15 shows an exploded view of one flat conductor 10 and one connector barrel 30 of the electrical connection assembly shown in fig. 14.

The embodiment shown in fig. 14 and 15 differs from the embodiment shown in fig. 1 to 13 mainly in that the connection terminal 20 is eliminated.

As shown in fig. 14 and 15, in the illustrated embodiment, a pair of connecting cylinders 30 are respectively caulked to the connecting end portions 111 of a pair of flat conductor cores 11 for electrical connection with two mating connecting terminals, respectively.

As shown in fig. 14 and 15, in the illustrated embodiment, a staking hole 101 is formed in the connection end portion 111 of the flat conductor core 11. The connector barrel 30 includes a staking portion 31 staked into the staking hole 101 and a boss portion 32 protruding from the staking hole 101. The top surface 32a (see fig. 6) of the projection 32 is used for electrical contact with the mating connection terminal.

As shown in fig. 14 and 15, in the illustrated embodiment, the connection end portions 111 of the flat conductor cores 11 are biased to one side in the thickness direction Z of the connection base 112, and the connection end portions 111 of the pair of flat conductor cores 11 are offset toward a direction approaching each other so that the connection end portions 111 of the pair of flat conductor cores 11 are flush with each other in the thickness direction Z.

As shown in fig. 14 and 15, in the illustrated embodiment, the connection end portion 111 has a first surface and a second surface that are opposed in the thickness direction Z. One of the pair of connector barrels 30 is riveted to a first surface of one of the connection ends 111, and the other connector barrel 30 is riveted to a second surface of the other connection end 111.

As shown in fig. 14 and 15, in the illustrated embodiment, the pair of flat conductors 10 are identical to each other and can be used with each other. The pair of connecting cylinders 30 are identical to each other and can be used with each other. Thus, the manufacturing cost can be reduced.

As shown in fig. 14 and 15, in the illustrated embodiment, the connection end portions 111 of the pair of flat conductor cores 11 are flush with each other in the thickness direction Z. That is, two surfaces of one connection end portion 111 that are opposite in the thickness direction Z are flush with two surfaces of the other connection end portion 111 that are opposite in the thickness direction Z, respectively, and are perpendicular to the thickness direction Z. The top surfaces 32a of the bosses 32 of the pair of connector barrels 30 lie in the same plane perpendicular to the thickness direction Z.

As shown in fig. 14 and 15, in the illustrated embodiment, the connector barrel 30 is made of copper to improve electrical conductivity. The flat conductor core 11 is made of aluminum to reduce the manufacturing cost.

Fig. 16 is a schematic view showing a coating layer 40 for sealing formed on one end of the flat conductor 10 of the electrical connection assembly shown in fig. 14.

As shown in fig. 14-16, in the illustrated embodiment, the electrical connection assembly further includes a cover 40, the cover 40 sealingly wrapping over the connection base 112 of the electrical connection portion 110 and a portion of the connection end 111 of the electrical connection portion 110. A portion 41 of the coating 40 is wrapped over the insulation 12 of the pair of flat conductors 10 and the connector barrel 30 is located outside the coating 40.

As shown in fig. 14-16, in the illustrated embodiment, the cover 40 is made of an elastomeric material, for example, the cover 40 may be made of silicone or other suitable thermoset material. The coating 40 may be a one-piece injection molded part formed by insert injection molding.

As shown in fig. 14 to 16, in the illustrated embodiment, a sealing structure 41a adapted to be fitted to the inner wall of the housing of the connector is formed on the outer surface of a portion 41 of the covering 40, the sealing structure 41a being for sealing a gap between the insulating layer 12 of the pair of flat conductors 10 and the inner wall of the housing.

As shown in fig. 14 to 16, in the illustrated embodiment, the sealing structure 41a includes a plurality of annular projections 41a formed on the outer surface of a portion 41 of the covering layer 40, the plurality of annular projections 41a being spaced apart from each other in the length direction of the flat conductor 10.

As shown in fig. 1-16, in one exemplary embodiment of the invention, a connector is also disclosed. The connector comprises a housing and the electrical connection assembly. An electrical connection assembly is mounted in the housing.

In another exemplary embodiment of the present invention, as shown in fig. 1-16, an electrical connector 10 for a connector is also disclosed. The electrical connector 10 comprises: a flat conductor core 11; and an insulating layer 12 coated on the flat conductor core 11. The flat conductor core 11 has a body 120 and an electrical connection portion 110 exposed from one end of the insulating layer 12. The electrical connection portion 110 includes a connection base portion 112 and a connection end portion 111. The connection base 112 is connected between the connection end portion 111 and the body 120 of the flat conductor core 11, and the connection end portion 111 is biased to one side in the width direction X of the body 120 of the flat conductor core 11.

As shown in fig. 1 to 16, in an exemplary embodiment of the present invention, the aforementioned flat conductor core 10 may be a bus bar.

As shown in fig. 1 to 16, in an exemplary embodiment of the present invention, the flat conductor core 10 may be a profile molding member, for example, a press molding member.

As shown in fig. 1 to 16, in an exemplary embodiment of the present invention, the electrical connector 10 may be a flat wire.

It is understood by those skilled in the art that the above described embodiments are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle, and that these modifications are intended to fall within the scope of the present invention.

Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.

Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Additionally, any element numbers of the claims should not be construed as limiting the scope of the invention.

Claims (20)

1. An electrical connection assembly for a connector, comprising:

a pair of flat conductors arranged to overlap each other in a thickness direction thereof, and including a flat conductor core having an electrical connection portion for electrical connection exposed from one end of an insulating layer and an insulating layer coated on the flat conductor core; and

and a pair of connection cylinders connected to the electrical connection portions of the pair of flat conductor cores, respectively, for electrical connection with the two mating connection terminals, respectively.

2. The electrical connection assembly of claim 1, wherein:

the electrical connection portion of the flat conductor core includes:

a connection end portion biased to one side in a width direction of the flat conductor; and

a connection base connected between the connection end portion and the body of the flat conductor core,

the connecting cylinder is connected to a connection end portion of the electrical connection portion.

3. The electrical connection assembly of claim 2, wherein:

the connection end portions of the pair of flat conductor cores of the pair of flat conductors are spaced apart from each other by a first pitch in the width direction.

4. The electrical connection assembly of claim 2, wherein:

the connection base portions of the pair of flat conductor cores of the pair of flat conductors partially overlap each other in the thickness direction.

5. The electrical connection assembly of claim 4, wherein:

the connection bases of the pair of flat conductor cores are spaced apart from each other by a second pitch in the thickness direction.

6. The electrical connection assembly of claim 5, wherein:

the connection base portions of the flat conductor cores are biased to one side in the thickness direction of the flat conductor, and the connection base portions of the pair of flat conductor cores are offset in a direction away from each other to increase the second pitch.

7. The electrical connection assembly of claim 4, wherein:

the connection base includes two side surfaces opposed in the width direction, and at least a part of at least one side surface of the connection base extends obliquely with respect to the length direction of the flat conductor so that the width of at least a part of the connection base gradually increases in a direction away from the connection end portion.

8. The electrical connection assembly of claim 7, wherein:

the connecting end portion has a first width, the body of the flat conductor core has a second width, and the first width is less than half the second width;

a width of at least a portion of the connection base varies from the first width to the second width.

9. The electrical connection assembly of claim 4, wherein:

the connecting end portion includes two side surfaces opposed in the width direction, and the two side surfaces of the connecting end portion extend in a length direction of the flat conductor.

10. The electrical connection assembly of claim 2, wherein:

a staking hole is formed on the connection end, the connection cylinder includes a staking portion staked into the staking hole and a boss portion protruding from the staking hole, and a top surface of the boss portion is for electrical contact with a mating connection terminal.

11. The electrical connection assembly of claim 10, wherein:

the connection end portions are biased to one side in the thickness direction of the connection base portion, and the connection end portions of the pair of flat conductor cores are offset toward a direction in which they approach each other.

12. The electrical connection assembly of claim 11, wherein:

the connecting end portion has a first surface and a second surface opposite in the thickness direction;

one of the pair of connector barrels is riveted to a first surface of one of the connector end portions and the other is riveted to a second surface of the other of the connector end portions.

13. The electrical connection assembly of claim 12, wherein:

the connection end portions of the pair of flat conductor cores are flush with each other in the thickness direction; and is provided with

The top surfaces of the bosses of the pair of connector barrels are located in the same plane perpendicular to the thickness direction.

14. The electrical connection assembly of claim 1, wherein: the connecting cylinder is made of copper and the flat conductor core is made of aluminum.

15. The electrical connection assembly of claim 1, wherein:

the pair of flat conductors are identical and can be used interchangeably with each other; and/or

The pair of connector barrels are identical and are interchangeable with one another.

16. The electrical connection assembly as recited in any one of claims 1 to 15, further comprising:

a coating layer hermetically wrapped on a connection base of the electrical connection portion and a portion of a connection end portion of the electrical connection portion,

a portion of the coating layer is wrapped onto the insulation layer of the pair of flat conductors, and the connector barrel is located outside the coating layer.

17. The electrical connection assembly of claim 16, wherein:

the cover is made of an elastic material, and a seal structure adapted to be fitted with an inner wall of a housing of the connector is formed on an outer surface of the portion of the cover, the seal structure being for sealing a gap between the insulating layers of the pair of flat conductors and the inner wall of the housing.

18. The electrical connection assembly of claim 17, wherein:

the sealing structure includes a plurality of annular projections formed on an outer surface of the portion of the cladding layer, the plurality of annular projections being spaced apart from each other in a length direction of the flat conductor.

19. The electrical connection assembly of claim 16, wherein: the coating layer is an integrated injection molding piece formed in an insert injection molding mode.

20. A connector, comprising:

a housing; and

the electrical connection assembly of any one of claims 1-19 mounted in the housing.

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