CN118156837A - Electric connector combination - Google Patents

Abstract

The invention discloses an electric connector combination, which comprises a male end electric connector and a female end electric connector. The male end electric connector comprises a first rubber core, a plurality of first terminals and a metal shell. The female-end electric connector comprises a second rubber core, a third rubber core and a plurality of second terminals. The third rubber core is supported by the second terminal and is movably arranged in the second rubber core, floating displacement can be generated in the direction parallel to the first circuit board and the second circuit board, the butting concave part of the male end electric connector is movably butted with the stop convex part of the female end electric connector along the third direction to form limit in the first direction, the stop convex part of the third rubber core is positioned between the butting concave part and the stop part and is butted with the stop part, limit is formed in the second direction, and the first terminal is correspondingly contacted with the second terminal.

Description

Electric connector combination

Technical Field

The present invention relates to a connector assembly, and more particularly to a connector assembly for electrically connecting two circuit boards and movably abutting against each other in a direction perpendicular to the circuit boards to adjust the relative positions of the two circuit boards.

Background

The liquid crystal screen comprises a liquid crystal display panel and a backlight module, wherein the backlight module emits light rays to pass through the liquid crystal display panel to generate images. The existing backlight module uses the light emitting diode as a light source, so that the power supply module is required to supply power to the light emitting diode. The existing power module and light emitting diode are respectively arranged on two circuit boards, so that an electric connector assembly is required to electrically connect the two circuit boards so as to achieve the power supply of the backlight module.

The height of the accommodating space in the shell is small because of the requirement of thinning the existing liquid crystal screen. How to design an electrical connector assembly capable of electrically connecting two circuit boards in a very limited accommodating space and keeping the two circuit boards at the same height to maintain the flatness of the diffusion film of the backlight module after installation is an important issue at present.

Disclosure of Invention

The invention aims to provide an electric connector combination, wherein a male-end electric connector and a female-end electric connector are movably butted in a direction vertical to a circuit board, so that the relative positions of the two circuit boards can be adjusted during assembly, and the two circuit boards are kept at a preset relative position in the vertical direction, thereby being beneficial to the assembly of other components. Meanwhile, the butt joint of the male end electric connector and the female end electric connector generates floating displacement in the direction parallel to the circuit board so as to compensate the assembly tolerance in the horizontal direction.

An embodiment of the electrical connector assembly of the present invention includes a male electrical connector and a female electrical connector. The male end electric connector comprises a first rubber core, a plurality of first terminals and a metal shell. The first rubber core is arranged on the first circuit board and is provided with a pair of butt concave parts. The first terminals are arranged in a row on the first rubber core, and one end of each first terminal extends into the butt joint concave part. The metal shell is arranged on the first rubber core and comprises a stop part. The stop part is spanned in the butt joint concave part. The female-end electric connector comprises a second rubber core, a third rubber core and a plurality of second terminals. The second rubber core is arranged on the second circuit board. One ends of the plurality of second terminals are correspondingly fixed in the second terminal grooves. The third rubber core is supported by the second terminal and is movably arranged in the second rubber core, and can generate a first floating displacement in a first direction parallel to the first circuit board and the second circuit board and generate a second floating displacement in a second direction, the first direction is perpendicular to the second direction, the third rubber core comprises a butt joint end part and a stop protruding part, and the butt joint end part extends and protrudes out of the second rubber core. One end of the plurality of second terminals is exposed from the butt joint end, and the stop protruding parts are arranged on the butt joint end and protrude along a third direction, wherein the third direction is perpendicular to the first direction and the second direction. The abutting concave part of the male end electric connector is movably abutted with the stop convex part of the female end electric connector along the third direction to form limit in the first direction, the stop convex part of the third rubber core is positioned between the abutting concave part and the stop part and is abutted against the stop part, so that limit is formed in the second direction, and the first terminal correspondingly contacts the second terminal.

The butt joint concave part is composed of two limiting walls oppositely arranged in the first direction and a first butt joint wall adjacent to the plurality of limiting walls and parallel to the first direction, the stop part is arranged on the plurality of limiting walls in a straddling mode, two opposite sides of the butt joint end part are abutted to the plurality of limiting walls, and a second butt joint wall at the tail end of the butt joint end part corresponds to the first butt joint wall.

The stop part of the metal shell is abutted against a stop surface of the abutting convex part perpendicular to the second direction and an abutting surface of the abutting end part perpendicular to the third direction.

The metal shell piece further comprises a pair of positioning parts and a structure strengthening part, the structure strengthening part is adjacent to the stop parts and spans the plurality of limiting walls, the pair of positioning parts are respectively connected to the opposite ends of the stop parts and the structure strengthening part, and the stop convex part of the third rubber core is positioned between the pair of positioning parts.

The first rubber core further comprises a plurality of first terminal grooves, the first terminal grooves extend along the second direction and are provided with a first opening formed in the butt joint wall, the first terminals are correspondingly arranged in the first terminal grooves, each first terminal comprises an elastic contact portion, a first fixing portion and a first elastic deformation portion, the first fixing portion is fixed to the first rubber core, and the elastic contact portion is connected to the first elastic deformation portion and is exposed out of the butt joint wall from the first opening.

The second rubber core comprises a containing space, the third rubber core comprises a combining end part which is opposite to the butt joint end part, the combining end part is movably arranged in the containing space, and the combining end part and the containing space are respectively provided with a distance in the first direction and the second direction.

The second rubber core further comprises a plurality of second terminal grooves, the plurality of second terminal grooves are communicated with the accommodating space, the third rubber core further comprises a plurality of third terminal grooves, the plurality of second terminal grooves correspond to the plurality of third terminal grooves, each second terminal comprises a second elastic deformation part, a second fixing part and a third fixing part, the second fixing part is fixedly arranged in the second terminal groove, the third fixing part is fixedly arranged in the third terminal groove, and the second elastic deformation part is connected with the second fixing part and the third fixing part and is positioned in the accommodating space.

The second rubber core further comprises an accommodating concave part, the accommodating concave part is arranged on the top wall of the accommodating space, and the second elastic deformation parts of the plurality of second terminals are accommodated in the accommodating concave part.

The second rubber core comprises two first guide inclined planes which are arranged on two opposite sides of the stop protrusion in the second direction and extend along the first direction, the first rubber core comprises a second guide inclined plane which is arranged at the bottom edge of the butt joint concave part and extends along the first direction, the metal shell further comprises a third guide inclined plane which is arranged at the bottom edge of the stop part and extends along the first direction, and when the male end electric connector is in butt joint with the female end electric connector, the two first guide inclined planes respectively correspond to the second guide inclined plane and the third guide inclined plane.

The second rubber core further comprises two fifth guide inclined planes which are arranged on two opposite sides of the bottom edge of the butting concave part in the first direction, and when the male end electric connector is in butting connection with the female end electric connector, the two fourth guide inclined planes correspond to the fifth guide inclined planes.

According to the electric connector combination, the first rubber core of the male electric connector is provided with the butt joint concave part, the third rubber core of the female electric connector is provided with the butt joint end part and the stop convex part positioned at the butt joint end part, the butt joint end part of the female electric connector and the butt joint concave part of the male electric connector are movably butted in the third direction perpendicular to the two circuit boards, and the relative positions of the first circuit board and the second circuit board are adjusted to be matched with the assembly of other parts. Meanwhile, the third rubber core of the female end electric connector can be movably arranged in the second rubber core in the first direction and the second direction, so that when the male end electric connector is in butt joint with the female end electric connector, the assembly tolerance of the two circuit boards can be compensated.

Drawings

Fig. 1 is a perspective view of an embodiment of an electrical connector assembly of the present invention.

Fig. 2 is an exploded perspective view of the electrical connector assembly of fig. 1.

Fig. 3 is an exploded perspective view of another view of the electrical connector assembly of fig. 2.

Fig. 4 is an exploded perspective view of a male electrical connector of the electrical connector assembly of the present invention.

Fig. 5 is an exploded perspective view of the male electrical connector of fig. 4 from another perspective.

Fig. 6 is an exploded perspective view of a female-end electrical connector of the electrical connector assembly of the present invention.

Fig. 7 is an exploded perspective view of the female-end electrical connector of fig. 6 from another perspective.

Fig. 8 is a side view of the male and female electrical connectors of the electrical connector assembly of the present invention prior to assembly.

Fig. 9 is a side view of the male and female electrical connectors of the electrical connector assembly of the present invention after assembly.

Fig. 10 is a top view of the electrical connector assembly of the present invention.

Fig. 11 is a cross-sectional view taken along line A-A of fig. 10.

Fig. 12 is a perspective view of yet another view of the electrical connector assembly of the present invention.

Fig. 13 is a perspective view of yet another view of the electrical connector assembly of the present invention.

Symbol description:

1: electric connector combination

10: Male electric connector

11: First rubber core

12: First terminal

13: Metal shell

20: Female terminal electric connector

21: Metal shell

22: Second rubber core

22A: engagement concave portion

22B: slot groove

23: Third rubber core

24: Second terminal

111: Butt joint concave part

112: Flange

113: Terminal let groove

116: Protrusions

117: Slot groove

121: Elastic contact part

122: Elastic deformation part

123: First holding part

124: First welding part

131: Stop block

132: Structural reinforcement

133: Positioning part

211: Structural reinforcement

212: Mounting part

221: Accommodating space

222: Second terminal groove

223: Accommodating recess

231: Butt end

232: Stop boss

233: Joining end

241: Second holding part

242: Third holding part

243: A second elastic deformation part

244: Second welding part

1111: Limiting wall

1112: First butt joint wall

1113: Second guiding inclined plane

1114: Fifth guiding inclined plane

1141: A first opening

1311: Third guiding inclined plane

1331: Positioning hole

1332: Inserting piece

1333: Welding sheet

2121: Clamping piece

2122: Inserting piece

2321: First guiding inclined plane

2322: Fourth guiding inclined plane

P1: first circuit board

P2: second circuit board

Detailed Description

For a fuller understanding of the objects, features and advantages of the present invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

In the present disclosure, units, components, and elements described herein are described using "a" or "an". This is for convenience of description only and is not intended to provide a general sense of the scope of the invention. Thus, unless expressly stated otherwise, such description should be understood as including one, at least one, and the singular also includes the plural.

In the present invention, the terms "comprising," "including," "having," "containing," or any other similar language are intended to cover non-exclusive inclusion. For example, a component, structure, article, or apparatus that comprises a plurality of elements is not limited to only those elements listed herein, but may include other elements not expressly listed but inherent to such component, structure, article, or apparatus. In addition, unless explicitly stated to the contrary, the term "or" refers to an inclusive "or" and not to an exclusive "or".

Referring to fig. 1, 2 and 3, fig. 1 is a perspective view of an embodiment of an electrical connector assembly according to the present invention, fig. 2 is an exploded perspective view of the electrical connector assembly of fig. 1, and fig. 3 is an exploded perspective view of the electrical connector assembly of fig. 2 from another perspective. As shown in the drawings, the electrical connector assembly 1 of the present embodiment is used for electrically connecting a first circuit board P1 and a second circuit board P2, wherein the first circuit board P1 may be, for example, a circuit board provided with a light source, and the second circuit board P2 may be a circuit board provided with a power module, and the first circuit board P1 and the second circuit board P2 are electrically connected through the electrical connector assembly 1, so that the power module supplies power to the light source through the electrical connector assembly 1.

The electrical connector assembly 1 of the present embodiment includes a male electrical connector 10 and a female electrical connector 20. The male electrical connector 10 is disposed on the first circuit board P1, the female electrical connector 20 is disposed on the second circuit board P2, and the male electrical connector 10 is abutted with the female electrical connector 20, so that the first circuit board P1 and the second circuit board P2 are electrically connected.

Referring to fig. 4 and 5, fig. 4 is an exploded perspective view of a male electrical connector of the electrical connector assembly of the present invention, and fig. 5 is an exploded perspective view of the male electrical connector of fig. 4 from another perspective. The male electrical connector 10 includes a first core 11, a plurality of first terminals 12, and a metal shell 13. The first glue core 11 is disposed on the first circuit board P1. The first core 11 is a rectangular parallelepiped, one edge of the long side thereof is formed with a pair of engaging recesses 111, the other side thereof opposite to the engaging recesses 111 is formed with a flange 112, a terminal groove 113 is formed at the edge of the flange 112, and the side surface of the first core 11 abuts against the bottom surface of the flange 112 to abut against the first circuit board P1.

The docking recess 111 is formed by two limiting walls 1111 disposed opposite to each other in a first direction L1, and a first docking wall 1112 adjacent to the two limiting walls 1111 and parallel to the first direction L1. The first core 11 includes a plurality of first terminal slots 114, the plurality of first terminal slots 114 are aligned along a first direction L1, each first terminal slot 114 extends along a second direction L2 and is opened at the bottom of the first core 11, a side of the flange 112 and a slot wall of the terminal through slot 113 of the flange 112 are provided, and each first terminal slot 114 has a first opening 1141 provided at the first butt wall 1112.

Each first terminal 12 includes an elastic contact portion 121, an elastic deformation portion 122, a first holding portion 123, and a first soldering portion 124. Each first terminal 12 is disposed in a corresponding one of the first terminal slots 114. The first holding portion 123 is inserted into the holding positioning groove 115 in communication with each first terminal groove 114 and is fixed to the first rubber core 11, the elastic contact portion 121 is located at one end of the first terminal 12 and protrudes from the first opening 1141 of the first butt wall 1112, and the elastic deformation portion 122 is connected to the elastic contact portion 121 to elastically deform the first terminal 12 in the second direction L2. The first soldering portion 124 protrudes from the wall of the terminal through groove 113 and is soldered to a pad of the first circuit board P1 by a Surface Mount Technology (SMT).

The metal shell 13 includes a stop portion 131, a structural reinforcement portion 132, and two positioning portions 133. The stop portion 131 and the structure reinforcing portion 132 are strips disposed adjacent to each other and perpendicular to each other, and the stop portion 131 and the structure reinforcing portion 132 extend along the first direction L1. The stop portion 131 is perpendicular to a second direction L2, the structure reinforcement portion 132 is parallel to the second direction L2, and the second direction L2 is perpendicular to the first direction L1. The two positioning portions 133 are disposed at two opposite sides of the stop portion 131 and the structure reinforcing portion 132, respectively, and cover two short sides of the first core 11. The metal shell 13 may strengthen the structure of the first rubber core 11 and may have an electromagnetic shielding effect on the first terminal 12.

The metal shell 13 is combined with the protrusions 116 on the upper surface and the lower surface of the first rubber core 11 through the positioning holes 1331 of the positioning part 133 to generate limitation in the first direction L1 and the second direction L2, and the metal shell 13 is inserted into the slot 117 of the first rubber core 11 through the inserting piece 1332 extending along the first direction L1 to generate limitation in a third direction L3, wherein the third direction L3 is perpendicular to the first direction L1 and the second direction L2. The metal shell 13 is combined with the first rubber core 11 and is limited in the first direction L1, the second direction L2 and the third direction L3 to be positioned on the first rubber core 11, so that the metal shell 13 and the first rubber core 11 form an integrated structure. The metal shell 13 is soldered to the first circuit board P by the soldering tab 1333 of the positioning portion 133, and thereby the first glue core 11 is positioned on the first circuit board P.

Referring to fig. 6 and 7, fig. 6 is an exploded perspective view of a female-end electrical connector of the electrical connector assembly of the present invention, and fig. 7 is an exploded perspective view of the female-end electrical connector of fig. 6 from another perspective. The female electrical connector 20 includes a metal shell 21, a second plastic core 22, a third plastic core 23, and a plurality of second terminals 24. The female-end electrical connector 20 is disposed on the second circuit board P2.

The metal shell 21 is disposed on the second rubber core 22. The metal shell 21 includes a structural reinforcement portion 211 and two mounting portions 212 connected to opposite sides of the structural reinforcement portion 211. The structure reinforcing portion 211 covers the upper surface of the second rubber core 22, and has an effect of reinforcing the structure of the second rubber core 22 and an electromagnetic shielding effect on the second terminal 24 provided on the second rubber core 22.

The mounting portion 212 is engaged with the engagement recess 22a of the second rubber core 22 by the engagement piece 2121 to limit the position in the first direction L1 and the second direction L2, and is inserted into the slot 22b of the second rubber core 22 by the insertion piece 2122 extending in the first direction L1 to limit the position in the third direction L3, whereby the metal shell 21 and the second rubber core 22 are integrally formed, and the metal shell 21 is soldered to the second circuit board P2 by the soldering piece 2123 of the mounting portion 212.

The second rubber core 22 has a rectangular parallelepiped structure, and has a concave receiving space 221 formed at the bottom and one side, and the second rubber core 22 further includes a plurality of second terminal grooves 222 disposed in a row on a rear wall constituting the receiving space 221 and in communication with the receiving space 221.

The third core 23 is hollow and frame-shaped, and includes a pair of abutting ends 231, a stop protrusion 232 disposed at the abutting ends 231 and protruding in the third direction L3, and a coupling end 233 disposed opposite to the abutting ends 231. The second abutting surface 231a is disposed on one side of the abutting end 231, the third adhesive core 23 is provided with a third terminal slot 234 on the second abutting surface 231a of the abutting end 231 and a positioning slot 235 on the bottom surface of the abutting end 231. The side of the stop protrusion 232 adjacent to the second core 22 is provided with a stop surface 2321.

Each second terminal 24 includes a second holding portion 241, a third holding portion 242, a second elastically deforming portion 243, and a second soldering portion 244. The second fixing portion 241 is fixedly disposed in the second terminal groove 222 of the second rubber core 22, and the third fixing portion 242 is fixedly disposed in the third terminal groove 234 of the third rubber core 23, so that the second terminal 24 supports the third rubber core 23 through rigidity thereof. The coupling end 233 of the third rubber core 23 is disposed in the accommodating space 221 of the second rubber core 22 and has a predetermined distance from the wall surface of the accommodating space 221 in the first direction L1 and the second direction L2, and the third rubber core 23 supported by the second terminal 24 can generate a floating displacement in the first direction L1 and the second direction L2 by the elastic deformation of the second terminal 24. The second elastic deformation portion 243 connects the second holding portion 241 and the third holding portion 243, and the second elastic deformation portion 243 is located in the accommodating space 221, the second rubber core 22 has an accommodating recess 223, the accommodating recess 223 is disposed on a top wall of the accommodating space 221, and a top end of the second elastic deformation portion 243 of the second terminal 24 is accommodated in the accommodating recess 223. The second soldering part 244 protrudes from the rear end of the second core 22 and is soldered to the second circuit board P2 by a surface mounting technique.

Referring to fig. 8, 9, 10 and 11, fig. 8 is a side view of the male and female electrical connectors of the electrical connector assembly of the present invention before assembly. Fig. 9 is a side view of the male and female electrical connectors of the electrical connector assembly of the present invention after assembly. Fig. 10 is a top view of the electrical connector assembly of the present invention. Fig. 11 is a cross-sectional view taken along line A-A of fig. 10. When the male connector 10 is mated with the female connector 20 along the third direction L3, the mating recess 111 of the first rubber core 11 of the male connector 10 is movably mated with the stop protrusion 232 of the female connector 20 along the third direction L3, and two limiting walls 1111 of the mating recess 111 in the first direction L1 abut against two sides of the stop protrusion 232 to form a limit in the first direction L1. Meanwhile, the stop protrusion 232 of the third rubber core 23 is located between the abutment recess 111 and the stop portion 131 of the metal shell 13, and the stop surface 2321 of the stop protrusion 232 abuts against the stop portion to form a limit in the second direction L2.

The first mating surface 1112 of the mating recess 111 faces the second mating surface 231a of the mating end 231, and the elastic contact portion 121 of the first terminal 12 correspondingly contacts the surface of the third fixing portion 243 of the second terminal 24. Since the third fixing portion 243 extends along the third direction L3, the elastic contact portion 121 of the first terminal 12 and the third fixing portion 243 of the second terminal 24 generate a contact range in the third direction L3, and the elastic contact portion 121 and the third fixing portion 243 are kept in contact within the contact range, so that when the male connector 10 is mated with the female connector 20 along the third direction L3, the male connector 10 and the female connector 20 can still be electrically connected within the contact range even if the relative positions of the first circuit board P1 and the second circuit board P2 are adjusted, and the adjustment elasticity of the positions of the first circuit board P1 and the second circuit board P2 is provided.

Since the third rubber core 23 of the female connector 20 can generate floating displacement in the first direction L1 and the second direction L2, when the male connector 10 is mated with the female connector 20, the tolerance of assembling the first circuit board P1 and the second circuit board P2 can be compensated in the first direction L1 and the second direction L2.

Referring to fig. 12 and 13, fig. 12 is a perspective view of yet another view of the electrical connector assembly of the present invention, and fig. 13 is a perspective view of yet another view of the electrical connector assembly of the present invention. The third rubber core 23 further includes two first guiding inclined planes 2321 disposed on opposite sides of the stop protrusion 232 in the second direction L2 and extending along the first direction L1, the first rubber core 11 includes a second guiding inclined plane 1113 disposed at a bottom edge of the docking recess 111 in the second direction L2 and extending along the first direction L1, and the metal housing 13 further includes a third guiding inclined plane 1311 disposed at a bottom edge of the stop portion 131 in the second direction L2 and extending along the first direction L1, when the male electrical connector 10 is docked with the female electrical connector 20, the two first guiding inclined planes 2321 respectively correspond to the second guiding inclined plane 1113 and the third guiding inclined plane 1311 for assisting the mating of the male electrical connector 10 with the female electrical connector 20.

The third rubber core 23 further includes two fourth guiding inclined planes 2322 disposed on opposite sides of the stop protruding portion 232 in the first direction L1, and the second rubber core 22 further includes two fifth guiding inclined planes 1114 disposed on opposite sides of the bottom edge of the mating recess 111 in the first direction L1, and when the male electrical connector 10 is mated with the female electrical connector 20, the two fourth guiding inclined planes 2322 correspond to the fifth guiding inclined planes 1114 for assisting the mating of the male electrical connector 10 with the female electrical connector 20.

While the invention has been disclosed in terms of preferred embodiments, it will be understood by those skilled in the art that the embodiments are merely illustrative of the invention and should not be construed as limiting the scope of the invention. It should be noted that all changes and substitutions equivalent to those of the embodiments are intended to be included in the scope of the present invention. Accordingly, the scope of the invention is defined by the appended claims.

Claims (10)

1. An electrical connector assembly for electrically connecting a first circuit board and a second circuit board, the electrical connector assembly comprising:

A male electrical connector, comprising:

the first rubber core is arranged on the first circuit board and is provided with a pair of butt concave parts;

a plurality of first terminals arranged in a row on the first rubber core, wherein one end of each first terminal extends into the butt joint concave part; and

The metal shell is arranged on the first rubber core and comprises a stop part which is spanned on the butt joint concave part; and

A female electrical connector, comprising:

the second rubber core is arranged on the second circuit board;

a plurality of second terminals, one ends of which are correspondingly fixed in the plurality of second terminal grooves;

A third rubber core supported by the plurality of second terminals and movably arranged in the second rubber core, wherein the third rubber core can generate a first floating displacement in a first direction parallel to the first circuit board and the second circuit board and generate a second floating displacement in a second direction, the first direction is perpendicular to the second direction, the third rubber core comprises a butt end part and a stop protruding part, and the butt end part extends and protrudes out of the second rubber core; and

The plurality of second terminals are provided with one ends exposed from the butt joint end parts, the stop protruding parts are arranged on the butt joint end parts and protrude along a third direction, and the third direction is perpendicular to the first direction and the second direction;

The abutting concave part of the male end electric connector is movably abutted with the stop convex part of the female end electric connector along the third direction to form a limit in the first direction, the stop convex part of the third rubber core is positioned between the abutting concave part and the stop part and is abutted against the stop part, so that a limit is formed in the second direction, and the plurality of first terminals correspondingly contact with the plurality of second terminals.

2. The electrical connector assembly of claim 1, wherein the mating recess is formed by two limiting walls disposed opposite to each other in the first direction and a first mating wall adjacent to the plurality of limiting walls and parallel to the first direction, the stop portion straddles the plurality of limiting walls, opposite sides of the mating end portion are abutted against the plurality of limiting walls, and a second mating wall at a distal end of the mating end portion corresponds to the first mating wall.

3. The electrical connector assembly of claim 1, wherein the stop portion of the metal shell abuts against a stop surface of the mating protrusion perpendicular to the second direction and abuts against an abutment surface of the mating end perpendicular to the third direction.

4. The electrical connector assembly of claim 3, wherein the metal shell further comprises a pair of positioning portions and a structural reinforcement portion, the structural reinforcement portion is adjacent to the stop portion and spans the plurality of limiting walls, the pair of positioning portions are respectively connected to opposite ends of the stop portion and the structural reinforcement portion, and the stop protrusion of the third rubber core is located between the pair of positioning portions.

5. The electrical connector assembly of claim 2, wherein the first rubber core further comprises a plurality of first terminal grooves extending along the second direction and having a first opening provided in the mating wall, the plurality of first terminals being correspondingly provided in the plurality of first terminal grooves, each first terminal comprising a resilient contact portion, a first retaining portion and a first resilient deformation portion, the first retaining portion being retained in the first rubber core, the resilient contact portion being connected to the first resilient deformation portion and being exposed from the first opening to the mating wall.

6. The electrical connector assembly of claim 1, wherein the second rubber core comprises a receiving space, the third rubber core comprises a coupling end portion opposite to the mating end portion, the coupling end portion is movably disposed in the receiving space, and the coupling end portion and the receiving space have a distance in the first direction and the second direction, respectively.

7. The electrical connector assembly of claim 6, wherein the second rubber core further comprises a plurality of second terminal grooves, the plurality of second terminal grooves are communicated with the accommodating space, the third rubber core further comprises a plurality of third terminal grooves, the plurality of second terminal grooves correspond to the plurality of third terminal grooves, each second terminal comprises a second elastic deformation portion, a second holding portion and a third holding portion, the second holding portion is fixedly arranged in the second terminal groove, the third holding portion is fixedly arranged in the third terminal groove, and the second elastic deformation portion is connected with the second holding portion and is positioned in the accommodating space.

8. The electrical connector assembly of claim 7, wherein the second rubber core further comprises a receiving recess, the receiving recess is disposed on a top wall of the receiving space, and the second elastic deformation portions of the plurality of second terminals are received in the receiving recess.

9. The electrical connector assembly of claim 1, wherein the third glue core further comprises two first guiding inclined planes disposed on opposite sides of the stop protrusion in the second direction and extending along the first direction, the first glue core comprises a second guiding inclined plane disposed on a bottom edge of the abutting recess and extending along the first direction, and the metal housing further comprises a third guiding inclined plane disposed on a bottom edge of the stop portion and extending along the first direction, wherein when the male electrical connector is abutted with the female electrical connector, the two first guiding inclined planes respectively correspond to the second guiding inclined plane and the third guiding inclined plane.

10. The electrical connector assembly of claim 9, wherein the third glue core further comprises two fourth guiding inclined planes disposed on opposite sides of the stop protrusion in the first direction, the second glue core further comprises two fifth guiding inclined planes disposed on opposite sides of a bottom edge of the mating recess in the first direction, and the two fourth guiding inclined planes correspond to the fifth guiding inclined planes when the male electrical connector is mated with the female electrical connector.