Electrical connection module and electrical connector

Abstract

The invention discloses an electrical connection module and an electrical connector. The electrical connection module includes: an inner housing in which a pair of first terminal grooves extending in a longitudinal direction thereof and a second terminal groove extending in a height direction thereof are formed; a pair of first terminals inserted into the pair of first terminal grooves, respectively; and the second terminal is inserted into the second terminal groove. The pair of first terminal grooves are arranged side by side in the transverse direction of the inner shell, the second terminal groove is located between the pair of first terminal grooves, the first terminal grooves extend forwards in the longitudinal direction to exceed the second terminal groove, and the second terminal groove extends upwards in the height direction to exceed the first terminal grooves. The first and second terminal slots have first and second sockets formed on a bottom side of the inner housing, respectively, the first and second sockets being arranged in a delta shape on the bottom side of the inner housing. According to the invention, the arrangement space of the three terminals can be saved, so that the sizes of the electric connection module and the electric connector can be reduced.

Description

Technical Field

[0001] The present invention relates to an electrical connection module and an electrical connector including the electrical connection module. Background Art

[0002] In the prior art, 90-degree connectors (or right-angle connectors) are often used. The lead-out direction of the cable of such a 90-degree connector is perpendicular to the mating direction of the terminals. In the prior art, when the connector has a plurality of terminals and a plurality of cables, the plurality of terminals are usually arranged side by side in the extending direction of the cable, and the plurality of cables are usually arranged side by side in the mating direction of the terminals. Such an arrangement will result in an overly large size of the connector. Summary of the Invention

[0003] The object of the present invention aims to solve at least one of the above problems and defects existing in the prior art.

[0004] According to one aspect of the present invention, there is provided an electrical connection module. The electrical connection module includes: an inner housing formed with a pair of first terminal slots extending along its longitudinal direction and a second terminal slot extending along its height direction and having a front end and a rear end opposite to each other in its longitudinal direction; a pair of first terminals respectively inserted into the pair of first terminal slots and having their length directions and width directions parallel to the longitudinal direction and the height direction respectively; and a second terminal inserted into the second terminal slot and having its length direction and width directions parallel to the height direction and the longitudinal direction respectively. The pair of first terminal slots are arranged side by side in the transverse direction of the inner housing, the second terminal slot is located between the pair of first terminal slots, the first terminal slots extend forward along the longitudinal direction beyond the second terminal slot, and the second terminal slot extends upward along the height direction beyond the first terminal slot. The first terminal slot and the second terminal slot respectively have a first socket and a second socket formed on the bottom side of the inner housing, and the first sockets of the pair of first terminal slots and the second socket of the second terminal slot are arranged in a triangular pattern on the bottom side of the inner housing. The first terminal is used for mating with a first pair of mating terminals inserted into the first socket along the height direction, and the second terminal is used for mating with a second pair of mating terminals inserted into the second socket along the height direction.

[0005] According to an exemplary embodiment of the present invention, the first terminal includes a first terminal body having a first mating portion and a first connection portion opposite to each other in the longitudinal direction of the inner housing. The first mating portion has a first mating port facing the first socket for mating with the first mating terminal pair, and the first connection portion is for electrically connecting to a first cable introduced along the longitudinal direction. The second terminal includes a second terminal body having a second mating portion and a second connection portion opposite to each other in the height direction of the inner housing. The second mating portion has a second mating port facing the second socket for mating with the second mating terminal pair, and the second connection portion is for electrically connecting to a second cable introduced along the longitudinal direction.

[0006] According to another exemplary embodiment of the present invention, on the rear end of the inner housing, there are formed a pair of first cable holes that are respectively communicated with the pair of first terminal slots and allow a pair of first cables to be respectively introduced along the longitudinal direction, and a second cable hole that is communicated with the second terminal slot and allows a second cable to be introduced along the longitudinal direction. The pair of first cable holes are arranged side by side in the transverse direction of the inner housing, and the second cable hole is located above the pair of first cable holes, such that the pair of first cable holes and the second cable hole are arranged in a triangular pattern on the rear side of the inner housing.

[0007] According to another exemplary embodiment of the present invention, the electrical connection module further includes: a pair of first cables respectively introduced along the longitudinal direction from the pair of first cable holes and electrically connected to the first connection portions of the pair of first terminals; and a second cable introduced along the longitudinal direction from the second cable hole and electrically connected to the second connection portion of the second terminal. The pair of first cables are arranged side by side in the transverse direction of the inner housing, and the second cable is located above the pair of first cables, such that the pair of first cables and the second cable are arranged in a triangular pattern.

[0008] According to another exemplary embodiment of the present invention, the first cable has a first conductor end electrically connected to the first connection portion of the first terminal body, and the second cable has a second conductor end electrically connected to the second connection portion of the second terminal body. The first conductor ends of the pair of first cables are arranged side by side in the transverse direction of the inner housing, and the second conductor end of the second cable is located above the first conductor ends of the pair of first cables, such that the first conductor ends of the pair of first cables and the second conductor end of the second cable are arranged in a triangular pattern.

[0009] According to another exemplary embodiment of the present invention, the first mating portion and the first connection portion are respectively located at two ends in the length direction of the first terminal body, and the length direction and the width direction of the first terminal body are respectively parallel to the longitudinal direction and the height direction of the inner housing; the second mating portion and the second connection portion are respectively located at two ends in the length direction of the second terminal body, and the length direction and the width direction of the second terminal body are respectively parallel to the height direction and the longitudinal direction of the inner housing.

[0010] According to another exemplary embodiment of the present invention, the thickness direction of the first terminal body is perpendicular to the longitudinal direction and the height direction of the inner housing. The first mating portion includes a first top wall plate and a first bottom wall plate that are spaced apart and opposite to each other in the thickness direction of the first terminal body, and a first slot allowing the first mating terminal to be inserted is defined between the first top wall plate and the first bottom wall plate.

[0011] According to another exemplary embodiment of the present invention, the thickness direction of the second terminal body is perpendicular to the longitudinal direction and the height direction of the inner housing. The second mating portion includes a second top wall plate and a second bottom wall plate that are spaced apart and opposite to each other in the thickness direction of the second terminal body, and a second slot allowing the second mating terminal to be inserted is defined between the second top wall plate and the second bottom wall plate.

[0012] According to another exemplary embodiment of the present invention, the first terminal further includes: a pair of first terminal contacts, which are respectively mounted on the inner sides of the first top wall plate and the first bottom wall plate of the first mating portion. The first terminal contacts have a plurality of first elastic contact arms, and the plurality of first elastic contact arms are arranged in a row in the longitudinal direction and extend in the height direction for making electrical contact with the first mating terminal inserted along the height direction.

[0013] According to another exemplary embodiment of the present invention, the second terminal further includes: a pair of second terminal contacts, which are respectively mounted on the inner sides of the second top wall plate and the second bottom wall plate of the second mating portion. The second terminal contacts have a plurality of second elastic contact arms, and the plurality of second elastic contact arms are arranged in a row in the longitudinal direction and extend in the height direction for making electrical contact with the second mating terminal inserted along the height direction.

[0014] According to another exemplary embodiment of the present invention, the first terminal further includes: a first terminal stopper, which is U-shaped and sleeved on the end of the first mating portion for ensuring that the distance between the first top wall plate and the first bottom wall plate is equal to a predetermined value.

[0015] According to another exemplary embodiment of the present invention, the first terminal limiting member includes: a first top plate, which is abutted against the outer side of the first top wall plate; a first bottom plate, which is abutted against the outer side of the first bottom wall plate; and a first side plate, which is connected between the first top plate and the first bottom plate and abutted against the end face of the first mating portion.

[0016] According to another exemplary embodiment of the present invention, the first top plate and the first bottom plate have two opposite sides in the width direction of the first terminal body. First elastic buckles with a C-shaped cross section are respectively formed on the two sides of the first top plate and the first bottom plate. First clamping grooves corresponding to the first elastic buckles are respectively formed on the edge portions on the two sides of the first top wall plate and the first bottom wall plate. The first elastic buckles are engaged into the first clamping grooves to fix the first terminal limiting member to the first mating portion.

[0017] According to another exemplary embodiment of the present invention, first elastic locking pieces are respectively formed on the first top plate and the first bottom plate. The first elastic locking pieces are engaged with the inner housing to lock the first terminal into the inner housing. First guiding ribs extending along the longitudinal direction are also respectively formed on the first top plate and the first bottom plate. The first guiding ribs are used to cooperate with the first guiding grooves in the inner housing to guide the first terminal to be inserted into the inner housing along the longitudinal direction.

[0018] According to another exemplary embodiment of the present invention, the second terminal further includes: a second terminal limiting member, which is annular and sleeved on the end of the second mating portion, and is used to ensure that the distance between the second top wall plate and the second bottom wall plate is equal to a predetermined value.

[0019] According to another exemplary embodiment of the present invention, the second terminal limiting member includes: a second top plate, which is abutted against the outer side of the second top wall plate; a second bottom plate, which is abutted against the outer side of the second bottom wall plate; and two second side plates, which are connected between the second top plate and the second bottom plate. The second top plate and the second bottom plate have two opposite sides in the width direction of the second terminal body. One second side plate is connected between one side of the second top plate and the second bottom plate and abutted against one side of the second mating portion, and the other second side plate is connected between the other side of the second top plate and the second bottom plate and abutted against the other side of the second mating portion.

[0020] According to another exemplary embodiment of the present invention, second elastic clasps with a C-shaped cross-section are respectively formed on both sides of the second top plate and the second bottom plate, and second card slots corresponding to the second elastic clasps are respectively formed on the edge portions on the left and right sides of the second top wall plate and the second bottom wall plate. The second elastic clasps are engaged into the second card slots to fix the second terminal limiting member to the second mating portion.

[0021] According to another exemplary embodiment of the present invention, second elastic locking pieces are respectively formed on the second top plate and the second bottom plate. The second elastic locking pieces are engaged with the inner housing to lock the second terminal into the inner housing. Second guiding ribs extending in the height direction are also respectively formed on the second top plate and the second bottom plate. The second guiding ribs are used to cooperate with second guiding grooves in the inner housing to guide the second terminal to be inserted into the inner housing in the height direction.

[0022] According to another exemplary embodiment of the present invention, the first connecting portion includes a first top layer plate and a first bottom layer plate that are stacked and riveted together in the thickness direction of the first terminal body. The first top layer plate and the first bottom layer plate are respectively connected to the first top wall plate and the first bottom wall plate. The first conductor end is flat and is stacked and welded on the first top layer plate or the first bottom layer plate.

[0023] According to another exemplary embodiment of the present invention, the second connecting portion includes a second top layer plate and a second bottom layer plate that are stacked and riveted together in the thickness direction of the second terminal body. The second top layer plate and the second bottom layer plate are respectively connected to the second top wall plate and the second bottom wall plate. The second conductor end is flat and is stacked and welded on the second top layer plate or the second bottom layer plate.

[0024] According to another exemplary embodiment of the present invention, the inner housing includes: a main body portion having a top opening formed at its top and communicating with the second terminal slot and the second cable hole; and a top cover portion mounted on the top of the main body portion for closing the top opening of the main body portion. The second terminal and the second cable are inserted into the main body portion of the inner housing through the top opening of the main body portion.

[0025] According to another exemplary embodiment of the present invention, the electrical connection module further includes: a first shielding sleeve for electrically connecting the shielding layer of the first cable to the outer shielding shell of the connector; and a second shielding sleeve sleeved on the second cable for electrically connecting the shielding layer of the second cable to the outer shielding shell.

[0026] According to another exemplary embodiment of the present invention, the electrical connection module further includes: a rear end cover, adapted to be latched to the rear end of the outer shield of the connector to fix the first cable and the second cable to the outer shield, and through holes allowing the first cable and the second cable to pass through are formed in the rear end cover.

[0027] According to another exemplary embodiment of the present invention, the electrical connection module further includes: a first end cap, mounted on the first socket of the inner housing and formed with a first guiding opening for guiding a first pair of mating terminals into the first socket; and a second end cap, mounted on the second socket of the inner housing and formed with a second guiding opening for guiding a second pair of mating terminals into the second socket.

[0028] According to another exemplary embodiment of the present invention, a wall recess is formed on the outer side of the front end of the inner housing, and the wall recess is located between the front ends of the pair of first terminal grooves and directly in front of the one second terminal groove; the wall recess is used to cooperate with the mounting portion of the outer shield of the connector, so that the connector can be fastened to the mating outer shield by a bolt passing through the mounting portion of the outer shield in the height direction.

[0029] According to another aspect of the present invention, there is provided an electrical connector. The electrical connector includes: an outer shield, formed with a mounting chamber; and the aforementioned electrical connection module, which is inserted into the mounting chamber of the outer shield.

[0030] According to an exemplary embodiment of the present invention, the outer shield has a mounting portion embedded in the wall recess of the inner housing, and a connection hole penetrating in the height direction of the outer shield is formed in the mounting portion; the electrical connector further includes a bolt, and the bolt passes through the connection hole and is adapted to be threadedly connected to a threaded hole of a mating outer shield to fasten the connector to the mating connector.

[0031] According to another exemplary embodiment of the present invention, the outer shield has a front end and a rear end opposite to each other in its longitudinal direction and a bottom side and a top side opposite to each other in its height direction; the mounting chamber has a rear port located at the rear end of the outer shield, the electrical connection module is inserted into the mounting chamber through the rear port, and the first cable and the second cable of the electrical connection module extend out of the rear port along the longitudinal direction; the mounting chamber further has a bottom port located on the bottom side of the front end of the outer shield, and the first socket and the second socket of the inner housing of the electrical connection module are located in the bottom port, so that a first pair of mating terminals and a second pair of mating terminals can be respectively inserted into the first socket and the second socket of the inner housing along the height direction through the bottom port.

[0032] According to another exemplary embodiment of the present invention, the electrical connector further includes: a sealing ring, which is disposed in the bottom port of the outer shielding case and is adapted to be squeezed between the outer shielding case and the mating outer shielding case to achieve sealing therebetween.

[0033] In each of the foregoing exemplary embodiments according to the present invention, the second terminal slot is located between a pair of first terminal slots and is longitudinally offset from the pair of first terminal slots by a predetermined distance within the inner housing. This layout can save the layout space of three terminals, and thus can reduce the size of the electrical connection module and the electrical connector.

[0034] In some of the foregoing exemplary embodiments according to the present invention, since the second terminal slot is longitudinally offset from the pair of first terminal slots by a predetermined distance within the inner housing, a wall recess facing the second terminal slot can be formed on the inner housing to allow a bolt for fastening the connector to the mating connector to pass through the wall recess, so that the bolt is closer to the center of the connector, which can effectively prevent the connector from being subjected to unbalanced forces.

[0035] Other objects and advantages of the present invention will become apparent and can help to have a comprehensive understanding of the present invention through the description of the present invention with reference to the accompanying drawings hereinafter. Description of the Drawings

[0036] Figure 1 A perspective schematic view of an electrical connection module according to an exemplary embodiment of the present invention when viewed from the top;

[0037] Figure 2 A perspective schematic view of an electrical connection module according to an exemplary embodiment of the present invention when viewed from the bottom;

[0038] Figure 3 An exploded schematic view of an electrical connection module according to an exemplary embodiment of the present invention when viewed from the bottom;

[0039] Figure 4 A perspective schematic view of the inner housing and the end cap of an electrical connection module according to an exemplary embodiment of the present invention;

[0040] Figure 5 An exploded cross-sectional view of an electrical connection module according to an exemplary embodiment of the present invention;

[0041] Figure 6 An assembled cross-sectional view of an electrical connection module according to an exemplary embodiment of the present invention;

[0042] Figure 7 Another exploded cross-sectional view of an electrical connection module according to an exemplary embodiment of the present invention;

[0043] Figure 8 Shows another assembled sectional view of the electrical connection module according to an exemplary embodiment of the present invention;

[0044] Figure 9 Shows an exploded schematic view of the inner housing of the electrical connection module according to an exemplary embodiment of the present invention;

[0045] Figure 10 Shows a perspective schematic view of the first terminal and the first cable of the electrical connection module according to an exemplary embodiment of the present invention;

[0046] Figure 11 Shows a perspective schematic view of the first terminal of the electrical connection module according to an exemplary embodiment of the present invention;

[0047] Figure 12 Shows a perspective schematic view of the second terminal and the second cable of the electrical connection module according to an exemplary embodiment of the present invention;

[0048] Figure 13 Shows a perspective schematic view of the second terminal of the electrical connection module according to an exemplary embodiment of the present invention;

[0049] Figure 14 Shows an exploded schematic view of the electrical connector when viewed from the bottom according to an exemplary embodiment of the present invention;

[0050] Figure 15 Shows an exploded schematic view of the electrical connector when viewed from the top according to an exemplary embodiment of the present invention;

[0051] Figure 16 Shows a perspective schematic view of the electrical connector when viewed from the bottom according to an exemplary embodiment of the present invention;

[0052] Figure 17 Shows a longitudinal sectional view of the electrical connector according to an exemplary embodiment of the present invention. Detailed Description of the Invention

[0053] The technical solutions of the present invention will be further specifically described below through embodiments in combination with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0054] In addition, in the following detailed description, for the sake of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. However, it is obvious that one or more embodiments may be implemented without these specific details. In other instances, well-known structures and devices are illustrated in a schematic manner to simplify the drawings.

[0055] According to an overall technical concept of the present invention, an electrical connection module is provided. The electrical connection module includes: an inner housing formed with a pair of first terminal slots extending along its longitudinal direction and a second terminal slot extending along its height direction, and having a front end and a rear end opposite to each other in its longitudinal direction; a pair of first terminals respectively inserted into the pair of first terminal slots, and whose length direction and width direction are parallel to the longitudinal direction and the height direction respectively; and a second terminal inserted into the second terminal slot, and whose length direction and width direction are parallel to the height direction and the longitudinal direction respectively. The pair of first terminal slots are arranged side by side in the transverse direction of the inner housing, the second terminal slot is located between the pair of first terminal slots, the first terminal slots extend forward along the longitudinal direction beyond the second terminal slot, and the second terminal slot extends upward along the height direction beyond the first terminal slot. The first terminal slot and the second terminal slot respectively have a first socket and a second socket formed on the bottom side of the inner housing, and the first sockets of the pair of first terminal slots and the second socket of the second terminal slot are arranged in a triangular pattern on the bottom side of the inner housing. The first terminal is used to mate with a first pair of mating terminals inserted into the first socket along the height direction, and the second terminal is used to mate with a second pair of mating terminals inserted into the second socket along the height direction.

[0056] According to another overall technical concept of the present invention, an electrical connector is provided. The electrical connector includes: an outer shielding housing formed with an installation chamber; and the aforementioned electrical connection module inserted into the installation chamber of the outer shielding housing.

[0057] Figure 1 A perspective schematic view of the electrical connection module 100 according to an exemplary embodiment of the present invention when viewed from the top; Figure 2 A perspective schematic view of the electrical connection module 100 according to an exemplary embodiment of the present invention when viewed from the bottom; Figure 3 An exploded schematic view of the electrical connection module 100 according to an exemplary embodiment of the present invention when viewed from the bottom; Figure 4 A perspective schematic view of the inner housing 3 and end caps 33, 34 of the electrical connection module 100 according to an exemplary embodiment of the present invention; Figure 5 An exploded cross-sectional view of the electrical connection module 100 according to an exemplary embodiment of the present invention; Figure 6Shows an assembled cross-sectional view of an electrical connection module 100 according to an exemplary embodiment of the present invention; Figure 7 Shows another exploded cross-sectional view of an electrical connection module 100 according to an exemplary embodiment of the present invention; Figure 8 Shows another assembled cross-sectional view of an electrical connection module 100 according to an exemplary embodiment of the present invention.

[0058] As Figures 1 to 8 Shown, in an exemplary embodiment of the present invention, an electrical connection module 100 is disclosed. The electrical connection module 100 includes: an inner housing 3, a pair of first terminals 11, and a second terminal 12. A pair of first terminal slots 301 extending along its longitudinal direction Y and a second terminal slot 302 extending along its height direction Z are formed in the inner housing 3. The inner housing 3 has a front end and a rear end opposite to each other in its longitudinal direction Y. A pair of first terminals 11 are respectively inserted into the pair of first terminal slots 301, and the length direction and width direction of the first terminal 11 are respectively parallel to the longitudinal direction Y and height direction Z of the inner housing 3. The second terminal 12 is inserted into the second terminal slot 302, and the length direction and width direction of the second terminal 12 are respectively parallel to the height direction Z and longitudinal direction Y of the inner housing 3.

[0059] As Figures 1 to 8 Shown, in the illustrated embodiment, a pair of first terminal slots 301 are arranged side by side in the transverse direction of the inner housing 3, the second terminal slot 302 is located between the pair of first terminal slots 301, the first terminal slots 301 extend forward along the longitudinal direction Y beyond the second terminal slot 302, and the second terminal slot 302 extends upward along the height direction Z beyond the first terminal slots 301. The first terminal slots 301 and the second terminal slot 302 respectively have a first socket 301a and a second socket 302a formed on the bottom side of the inner housing 3. The first sockets 301a of the pair of first terminal slots 301 and the second socket 302a of the second terminal slot 302 are arranged in a triangular pattern on the bottom side of the inner housing 3. The first terminal 11 is used to mate with a first pair of mating terminals (not shown) inserted into the first socket 301a along the height direction Z, and the second terminal 12 is used to mate with a second pair of mating terminals (not shown) inserted into the second socket 302a along the height direction Z.

[0060] Figure 9 Shows an exploded view of the inner housing 3 of the electrical connection module 100 according to an exemplary embodiment of the present invention; Figure 10 Shows a three-dimensional view of the first terminal 11 and the first cable 21 of the electrical connection module 100 according to an exemplary embodiment of the present invention; Figure 11 Shows a three-dimensional view of the first terminal 11 of the electrical connection module 100 according to an exemplary embodiment of the present invention; Figure 12Stereoscopic schematic view showing the second terminal 12 of the electrical connection module 100 and the second cable 22 according to an exemplary embodiment of the present invention; Figure 13 Stereoscopic schematic view showing the second terminal 12 of the electrical connection module 100 according to an exemplary embodiment of the present invention.

[0061] As Figures 1 to 13 shown, in the illustrated embodiment, the first terminal 11 includes a first terminal body 110. The first terminal body 110 has a first pair of mating portions 111 and a first connection portion 112 that are opposite to each other in the longitudinal direction Y of the inner housing 3. The first pair of mating portions 111 has a first pair of mating openings 111a facing the first socket 301a for mating with the first pair of mating terminals. The first connection portion 112 is used for electrically connecting to the first cable 21 introduced along the longitudinal direction Y. The second terminal 12 includes a second terminal body 120. The second terminal body 120 has a second pair of mating portions 121 and a second connection portion 122 that are opposite to each other in the height direction Z of the inner housing 3. The second pair of mating portions 121 has a second pair of mating openings 121a facing the second socket 302a for mating with the second pair of mating terminals. The second connection portion 122 is used for electrically connecting to the second cable 22 introduced along the longitudinal direction Y.

[0062] As Figures 1 to 13 shown, in the illustrated embodiment, on the rear end of the inner housing 3, there are formed a pair of first cable holes 301b that are respectively communicated with a pair of first terminal slots 301 and allow a pair of first cables 21 to be respectively introduced along the longitudinal direction Y, and a second cable hole 302b that is communicated with a second terminal slot 302 and allows a second cable 22 to be introduced along the longitudinal direction Y. The pair of first cable holes 301b are arranged side by side in the transverse direction X of the inner housing 3. The second cable hole 302b is located above the pair of first cable holes 301b, such that the pair of first cable holes 301b and the second cable hole 302b are arranged in a triangular pattern on the rear side of the inner housing 3.

[0063] As Figures 1 to 13 shown, in the illustrated embodiment, the electrical connection module 100 further includes: a pair of first cables 21 and a second cable 22. The pair of first cables 21 are respectively introduced along the longitudinal direction Y from the pair of first cable holes 301b and are respectively electrically connected to the first connection portions 112 of the pair of first terminals 11. The second cable 22 is introduced along the longitudinal direction Y from the second cable hole 302b and is electrically connected to the second connection portion 122 of the second terminal 12. The pair of first cables 21 are arranged side by side in the transverse direction X of the inner housing 3. The second cable 22 is located above the pair of first cables 21, such that the pair of first cables 21 and the second cable 22 are arranged in a triangular pattern.

[0064] As Figures 1 to 13As shown, in the illustrated embodiment, the first cable 21 has a first conductor end 211 electrically connected to the first connection portion 112 of the first terminal body 110, and the second cable 22 has a second conductor end 221 electrically connected to the second connection portion 122 of the second terminal body 120. The first conductor ends 211 of a pair of first cables 21 are arranged side by side in the lateral X direction of the inner housing 3, and the second conductor end 221 of one second cable 22 is located above the first conductor ends 211 of the pair of first cables 21, such that the first conductor ends 211 of the pair of first cables 21 and the second conductor end of one second cable are arranged in a triangular pattern.

[0065] As Figures 1 to 13 shown, in the illustrated embodiment, the first mating portion 111 and the first connection portion 112 are respectively located at both ends in the length direction of the first terminal body 110, and the length direction and the width direction of the first terminal body 110 are respectively parallel to the longitudinal Y direction and the height direction Z of the inner housing 3. The second mating portion 121 and the second connection portion 122 are respectively located at both ends in the length direction of the second terminal body 120, and the length direction and the width direction of the second terminal body 120 are respectively parallel to the height direction Z and the longitudinal Y direction of the inner housing 3.

[0066] As Figures 1 to 13 shown, in the illustrated embodiment, the thickness direction of the first terminal body 110 is perpendicular to the longitudinal Y direction and the height direction Z of the inner housing 3. The first mating portion 111 includes a first top wall plate 11a and a first bottom wall plate 11b that are spaced apart and opposed in the thickness direction of the first terminal body 110, and a first slot 11c allowing the first mating terminal to be inserted is defined between the first top wall plate 11a and the first bottom wall plate 11b.

[0067] As Figures 1 to 13 shown, in the illustrated embodiment, the thickness direction of the second terminal body 120 is perpendicular to the longitudinal Y direction and the height direction Z of the inner housing 3. The second mating portion 121 includes a second top wall plate 12a and a second bottom wall plate 12b that are spaced apart and opposed in the thickness direction of the second terminal body 120, and a slot 12c allowing the second mating terminal to be inserted is defined between the second top wall plate 12a and the second bottom wall plate 12b.

[0068] As Figures 1 to 13 shown, in the illustrated embodiment, the first terminal 11 further includes a pair of first terminal contacts 101, and the pair of first terminal contacts 101 are respectively mounted on the inner sides of the first top wall plate 11a and the first bottom wall plate 11b of the first mating portion 111. The first terminal contact 101 has a plurality of first elastic contact arms 101a, and the plurality of first elastic contact arms 101a are arranged in a row in the longitudinal Y direction and extend in the height direction Z for making electrical contact with the first mating terminal inserted along the height direction Z.

[0069] As Figures 1 to 13As shown, in the illustrated embodiment, the second terminal 12 further includes a pair of second terminal contacts 102, and the pair of second terminal contacts 102 are respectively mounted on the inner sides of the second top wall plate 12a and the second bottom wall plate 12b of the second mating portion 121. The second terminal contact 102 has a plurality of second elastic contact arms 102a, and the plurality of second elastic contact arms 102a are arranged in a row in the longitudinal direction Y and extend in the height direction Z for making electrical contact with the second pair of mating terminals inserted along the height direction Z.

[0070] As Figures 1 to 13 shown, in the illustrated embodiment, the first terminal 11 further includes a first terminal stopper 103, and the first terminal stopper 103 is U-shaped and sleeved on the end of the first mating portion 111 for ensuring that the distance between the first top wall plate 11a and the first bottom wall plate 11b is equal to a predetermined value.

[0071] As Figures 1 to 13 shown, in the illustrated embodiment, the first terminal stopper 103 includes: a first top plate 103a, a first bottom plate 103b, and a first side plate 103c. The first top plate 103a abuts against the outer side of the first top wall plate 11a. The first bottom plate 103b abuts against the outer side of the first bottom wall plate 11b. The first side plate 103c is connected between the first top plate 103a and the first bottom plate 103b and abuts against the end face of the first mating portion 111.

[0072] As Figures 1 to 13 shown, in the illustrated embodiment, the first top plate 103a and the first bottom plate 103b have two opposite sides in the width direction of the first terminal body 110, and first elastic clasps 103f with a C-shaped cross section are respectively formed on the two sides of the first top plate 103a and the first bottom plate 103b. First card slots 11f corresponding to the first elastic clasps 103f are respectively formed on the edge portions on the two sides of the first top wall plate 11a and the first bottom wall plate 11b, and the first elastic clasps 103f are engaged into the first card slots 11f to fix the first terminal stopper 103 to the first mating portion 111.

[0073] As Figures 1 to 13 shown, in the illustrated embodiment, first elastic locking pieces 103d are respectively formed on the first top plate 103a and the first bottom plate 103b, and the first elastic locking pieces 103d are engaged with the inner housing 3 to lock the first terminal 11 into the inner housing 3. First guiding ribs 103e extending in the longitudinal direction Y are also respectively formed on the first top plate 103a and the first bottom plate 103b, and the first guiding ribs 103e are used to cooperate with the first guiding grooves in the inner housing 3 to guide the first terminal 11 to be inserted into the inner housing 3 along the longitudinal direction Y.

[0074] As Figures 1 to 13As shown, in the illustrated embodiment, the second terminal 12 further includes a second terminal stopper 104. The second terminal stopper 104 is annular and is sleeved on the end of the second mating portion 121 for ensuring that the distance between the second top wall plate 12a and the second bottom wall plate 12b is equal to a predetermined value.

[0075] As Figures 1 to 13 shown, in the illustrated embodiment, the second terminal stopper 104 includes: a second top plate 104a, a second bottom plate 104b, and two second side plates 104c. The second top plate 104a abuts against the outer side of the second top wall plate 12a. The second bottom plate 104b abuts against the outer side of the second bottom wall plate 12b. The two second side plates 104c are connected between the second top plate 104a and the second bottom plate 104b. The second top plate 104a and the second bottom plate 104b have opposite sides in the width direction of the second terminal body 120. One second side plate 104c is connected between one side of the second top plate 104a and the second bottom plate 104b and abuts against one side surface of the second mating portion 121, and the other second side plate 104c is connected between the other side of the second top plate 104a and the second bottom plate 104b and abuts against the other side surface of the second mating portion 121.

[0076] As Figures 1 to 13 shown, in the illustrated embodiment, second elastic clasps 104f having a C-shaped cross-section are respectively formed on both sides of the second top plate 104a and the second bottom plate 104b. Second card slots 12f corresponding to the second elastic clasps 104f are respectively formed on the edge portions on the left and right sides of the second top wall plate 12a and the second bottom wall plate 12b. The second elastic clasps 104f are engaged into the second card slots 12f to fix the second terminal stopper 104 to the second mating portion 121.

[0077] As Figures 1 to 13 shown, in the illustrated embodiment, second elastic locking pieces 104d are respectively formed on the second top plate 104a and the second bottom plate 104b. The second elastic locking pieces 104d are engaged with the inner housing 3 to lock the second terminal 12 into the inner housing 3. Second guiding ribs 104e extending in the height direction Z are also respectively formed on the second top plate 104a and the second bottom plate 104b. The second guiding ribs 104e are used to cooperate with the second guiding grooves in the inner housing 3 to guide the second terminal 12 to be inserted into the inner housing 3 in the height direction Z.

[0078] As Figures 1 to 13As shown, in the illustrated embodiment, the first connecting portion 112 includes a first top plate 112a and a first bottom plate 112b that are stacked and riveted together in the thickness direction of the first terminal body 110. The first top plate 112a and the first bottom plate 112b are respectively connected to the first top wall plate 11a and the first bottom wall plate 11b. The first conductor end 211 is flat and is stacked and welded on the first top plate 112a or the first bottom plate 112b.

[0079] As Figures 1 to 13 shown, in the illustrated embodiment, the second connecting portion 122 includes a second top plate 122a and a second bottom plate 122b that are stacked and riveted together in the thickness direction of the second terminal body 120. The second top plate 122a and the second bottom plate 122b are respectively connected to the second top wall plate 12a and the second bottom wall plate 12b. The second conductor end 221 is flat and is stacked and welded on the second top plate 122a or the second bottom plate 122b.

[0080] As Figures 1 to 13 shown, in the illustrated embodiment, the inner housing 3 includes: a main body portion 3a and a top cover portion 3b. A top opening communicating with the second terminal groove 302 and the second cable hole 302b is formed at the top of the main body portion 3a. The top cover portion 3b is mounted on the top of the main body portion 3a to close the top opening of the main body portion 3a. The second terminal 12 and the second cable 22 are inserted into the main body portion 3a of the inner housing 3 through the top opening of the main body portion 3a.

[0081] As Figures 1 to 13 shown, in the illustrated embodiment, the electrical connection module 100 further includes: a first shielding sleeve 41 and a second shielding sleeve 42. The first shielding sleeve 41 is used to electrically connect the shielding layer of the first cable 21 to the outer shielding shell 7 of the connector. The second shielding sleeve 42 is sleeved on the second cable 22 to electrically connect the shielding layer of the second cable 22 to the outer shielding shell 7. In the illustrated embodiment, the front ends of the first shielding sleeve 41 and the second shielding sleeve 42 are respectively sleeved on the rear end of the inner housing 3, and the rear ends of the first shielding sleeve 41 and the second shielding sleeve 42 are respectively sleeved and crimped on the shielding layers of the first cable 21 and the second cable 22.

[0082] As Figures 1 to 13 shown, in the illustrated embodiment, the electrical connection module 100 further includes a rear end cover 5. The rear end cover 5 is adapted to be latched to the rear end of the outer shielding shell 7 of the connector to fix the first cable 21 and the second cable 22 to the outer shielding shell 7. Through holes allowing the first cable 21 and the second cable 22 to pass through are formed in the rear end cover 5.

[0083] Although not shown, in an exemplary embodiment of the present invention, the electrical connection module 100 may further include a seal, which may be installed in the rear port 70b of the outer shield case 7 to seal the rear port 70b of the outer shield case 7. A through hole allowing the first cable 21 and the second cable 22 to pass through is formed in the seal.

[0084] As Figures 1 to 13 shown, in the illustrated embodiment, the electrical connection module 100 further includes: a first end cap 33 and a second end cap 34. The first end cap 33 is installed on the first socket 301a of the inner case 3 and is formed with a first guiding port 33a for guiding the first pair of mating terminals into the first socket 301a. The second end cap 34 is installed on the second socket 302a of the inner case 3 and is formed with a second guiding port 34a for guiding the second pair of mating terminals into the second socket 302a.

[0085] As Figures 1 to 13 shown, in the illustrated embodiment, a wall recess 32 is formed on the outer side of the front end of the inner case 3. The wall recess 32 is located between the front ends of a pair of first terminal grooves 301 and directly in front of a second terminal groove 302. The wall recess 32 is used to cooperate with the mounting portion 72 of the outer shield case 7 of the connector, so that the connector can be fastened to a mating outer shield case (not shown) by a bolt 71 passing through the mounting portion 72 of the outer shield case 7 in the height direction Z.

[0086] Figure 14 Showing an exploded schematic view of an electrical connector according to an exemplary embodiment of the present invention when viewed from the bottom; Figure 15 Showing an exploded schematic view of an electrical connector according to an exemplary embodiment of the present invention when viewed from the top; Figure 16 Showing a three-dimensional schematic view of an electrical connector according to an exemplary embodiment of the present invention when viewed from the bottom; Figure 17 Showing a longitudinal cross-sectional view of an electrical connector according to an exemplary embodiment of the present invention.

[0087] As Figures 1 to 17 shown, in another exemplary embodiment of the present invention, an electrical connector is also disclosed. The electrical connector includes: an outer shield case 7 and an electrical connection module 100. An installation chamber 70 is formed in the outer shield case 7. The electrical connection module 100 is inserted into the installation chamber 70 of the outer shield case 7.

[0088] As Figures 1 to 17As shown, in the illustrated embodiment, the outer shielding case 7 has a mounting portion 72 embedded in the wall recess 32 of the inner case 3. A connection hole 73 penetrating in the height direction Z of the outer shielding case 7 is formed in the mounting portion 72. The electrical connector further includes a bolt 71. The bolt 71 passes through the connection hole 73 and is adapted to be threadedly connected to a threaded hole of a mating outer shielding case to fasten the connector to the mating connector. In the illustrated embodiment, the bolt 71 passes through the wall recess 32 of the inner case 3. Therefore, the bolt 71 is closer to the center of the inner case 3, so that the length of the force arm can be reduced, and the problem of unbalanced force on the connector can be effectively prevented.

[0089] As Figures 1 to 17 shown, in the illustrated embodiment, the outer shielding case 7 has a front end and a rear end opposite to each other in its longitudinal direction Y and a bottom side and a top side opposite to each other in its height direction Z. The mounting chamber 70 has a rear port 70b located at the rear end of the outer shielding case 7. The electrical connection module 100 is inserted into the mounting chamber 70 through the rear port 70b, and the first cable 21 and the second cable 22 of the electrical connection module 100 extend out of the rear port 70b along the longitudinal direction Y. The mounting chamber 70 further has a bottom port 70a located on the bottom side of the front end of the outer shielding case 7. The first socket 301a and the second socket 302a of the inner case 3 of the electrical connection module 100 are located in the bottom port 70a, so that the first mating terminal and the second mating terminal can be respectively inserted into the first socket 301a and the second socket 302a of the inner case 3 along the height direction Z through the bottom port 70a.

[0090] As Figures 1 to 17 shown, in the illustrated embodiment, the electrical connector further includes a sealing ring 74. The sealing ring 74 is disposed in the bottom port 70a of the outer shielding case 7 and is adapted to be squeezed between the outer shielding case 7 and a mating outer shielding case to achieve sealing therebetween.

[0091] Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can make improvements to them. The structures described in various embodiments can be freely combined without conflict in terms of structure or principle, and these changes should reasonably fall within the protection scope of the present invention.

[0092] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate the preferred embodiments of the present invention and should not be construed as a limitation of the present invention.

[0093] Although some embodiments of the general concept of the present invention have been shown and described, those of ordinary skill in the art will understand that changes can be made to these embodiments without departing from the principles and spirit of the general concept of the present invention. The scope of the present invention is defined by the claims and their equivalents.

[0094] It should be noted that the term "comprising" does not exclude other elements or steps, and the terms "a" or "an" do not exclude a plurality. Additionally, any reference numerals in the claims should not be construed as limiting the scope of the present invention.

Claims

1. An electrical connection module, characterized in that, Comprising: An inner housing (3) formed with a pair of first terminal grooves (301) extending along its longitudinal direction (Y) and a second terminal groove (302) extending along its height direction (Z), and having a front end and a rear end opposite to each other in its longitudinal direction (Y); A pair of first terminals (11) respectively inserted into the pair of first terminal grooves (301), and the length direction and width direction thereof are parallel to the longitudinal direction (Y) and the height direction (Z) respectively; and A second terminal (12) inserted into the second terminal groove (302), and the length direction and width direction thereof are parallel to the height direction (Z) and the longitudinal direction (Y) respectively, The pair of first terminal grooves (301) are arranged side by side in the transverse direction (X) of the inner housing (3), the second terminal groove (302) is located between the pair of first terminal grooves (301), the first terminal groove (301) extends forward along the longitudinal direction (Y) beyond the second terminal groove (302), and the second terminal groove (302) extends upward along the height direction (Z) beyond the first terminal groove (301), The first terminal groove (301) and the second terminal groove (302) respectively have a first socket (301a) and a second socket (302a) formed on the bottom side of the inner housing (3), and the first sockets (301a) of the pair of first terminal grooves (301) and the second socket (302a) of the second terminal groove (302) are arranged in a triangular pattern on the bottom side of the inner housing (3), The first terminal (11) is used for mating with a first pair of mating terminals inserted into the first socket (301a) along the height direction (Z), and the second terminal (12) is used for mating with a second pair of mating terminals inserted into the second socket (302a) along the height direction (Z).

2. The electrical connection module according to claim 1, characterized in that: The first terminal (11) includes a first terminal body (110), the first terminal body (110) has a first mating portion (111) and a first connection portion (112) opposite to each other in the longitudinal direction (Y) of the inner housing (3), the first mating portion (111) has a first mating port (111a) facing the first socket (301a) for mating with the first pair of mating terminals, and the first connection portion (112) is used for electrically connecting with a first cable (21) introduced along the longitudinal direction (Y); The second terminal (12) includes a second terminal body (120), the second terminal body (120) has a second mating portion (121) and a second connection portion (122) opposite to each other in the height direction (Z) of the inner housing (3), the second mating portion (121) has a second mating port (121a) facing the second socket (302a) for mating with the second pair of mating terminals, and the second connection portion (122) is used for electrically connecting with a second cable (22) introduced along the longitudinal direction (Y).

3. The electrical connection module according to claim 2, characterized in that: At the rear end of the inner housing (3), there are formed a pair of first cable holes (301b) respectively communicating with the pair of first terminal slots (301) and allowing a pair of first cables (21) to be respectively introduced along the longitudinal direction (Y), and a second cable hole (302b) communicating with the one second terminal slot (302) and allowing one second cable (22) to be introduced along the longitudinal direction (Y). The pair of first cable holes (301b) are arranged side by side in the lateral direction (X) of the inner housing (3), and the one second cable hole (302b) is located above the pair of first cable holes (301b), such that the pair of first cable holes (301b) and the one second cable hole (302b) are arranged in a triangular pattern on the rear side of the inner housing (3).

4. The electrical connection module according to claim 3, wherein It further includes: A pair of first cables (21) respectively introduced along the longitudinal direction (Y) from the pair of first cable holes (301b) and electrically connected to the first connection portions (112) of the pair of first terminals (11). And One second cable (22) introduced along the longitudinal direction (Y) from the second cable hole (302b) and electrically connected to the second connection portion (122) of the second terminal (12). The pair of first cables (21) are arranged side by side in the lateral direction (X) of the inner housing (3), and the one second cable (22) is located above the pair of first cables (21), such that the pair of first cables (21) and the one second cable (22) are arranged in a triangular pattern.

5. The electrical connection module according to claim 4, wherein: The first cable (21) has a first conductor end (211) electrically connected to the first connection portion (112) of the first terminal body (110), and the second cable (22) has a second conductor end (221) electrically connected to the second connection portion (122) of the second terminal body (120). The first conductor ends (211) of the pair of first cables (21) are arranged side by side in the lateral direction (X) of the inner housing (3), and the second conductor end (221) of the one second cable (22) is located above the first conductor ends (211) of the pair of first cables (21), such that the first conductor ends (211) of the pair of first cables (21) and the second conductor end (221) of the one second cable are arranged in a triangular pattern.

6. The electrical connection module according to claim 2, wherein: The first mating portion (111) and the first connection portion (112) are respectively located at two ends in the length direction of the first terminal body (110), and the length direction and width direction of the first terminal body (110) are respectively parallel to the longitudinal direction (Y) and height direction (Z) of the inner housing (3). The second mating portion (121) and the second connecting portion (122) are respectively located at two ends in the length direction of the second terminal body (120), and the length direction and the width direction of the second terminal body (120) are respectively parallel to the height direction (Z) and the longitudinal direction (Y) of the inner housing (3).

7. The electrical connection module according to claim 6, characterized in that: The thickness direction of the first terminal body (110) is perpendicular to the longitudinal direction (Y) and the height direction (Z) of the inner housing (3). The first mating portion (111) includes a first top wall plate (11a) and a first bottom wall plate (11b) that are spaced apart and opposite to each other in the thickness direction of the first terminal body (110). A first slot (11c) allowing the first mating terminal to be inserted is defined between the first top wall plate (11a) and the first bottom wall plate (11b).

8. The electrical connection module according to claim 7, characterized in that: The thickness direction of the second terminal body (120) is perpendicular to the longitudinal direction (Y) and the height direction (Z) of the inner housing (3). The second mating portion (121) includes a second top wall plate (12a) and a second bottom wall plate (12b) that are spaced apart and opposite to each other in the thickness direction of the second terminal body (120). A slot (12c) allowing the second mating terminal to be inserted is defined between the second top wall plate (12a) and the second bottom wall plate (12b).

9. The electrical connection module according to claim 7, characterized in that: The first terminal (11) further includes: A pair of first terminal contacts (101) respectively mounted on the inner sides of the first top wall plate (11a) and the first bottom wall plate (11b) of the first mating portion (111), The first terminal contact (101) has a plurality of first elastic contact arms (101a). The plurality of first elastic contact arms (101a) are arranged in a row in the longitudinal direction (Y) and extend in the height direction (Z) for making electrical contact with the first mating terminal inserted along the height direction (Z).

10. The electrical connection module according to claim 8, characterized in that: The second terminal (12) further includes: A pair of second terminal contacts (102) respectively mounted on the inner sides of the second top wall plate (12a) and the second bottom wall plate (12b) of the second mating portion (121), The second terminal contact (102) has a plurality of second elastic contact arms (102a). The plurality of second elastic contact arms (102a) are arranged in a row in the longitudinal direction (Y) and extend in the height direction (Z) for making electrical contact with the second mating terminal inserted along the height direction (Z).

11. The electrical connection module according to claim 9, characterized in that: The first terminal (11) further includes: A first terminal limiting member (103), which is U-shaped and sleeved on the end of the first mating portion (111) for ensuring that the distance between the first top wall plate (11a) and the first bottom wall plate (11b) is equal to a predetermined value.

12. The electrical connection module according to claim 11, wherein: The first terminal limiting member (103) includes: A first top plate (103a) that abuts against the outer side of the first top wall plate (11a); A first bottom plate (103b) that abuts against the outer side of the first bottom wall plate (11b); and A first side plate (103c) that is connected between the first top plate (103a) and the first bottom plate (103b) and abuts against the end face of the first mating portion (111).

13. The electrical connection module according to claim 12, wherein: The first top plate (103a) and the first bottom plate (103b) have opposite sides in the width direction of the first terminal body (110). On both sides of the first top plate (103a) and the first bottom plate (103b), first elastic clasps (103f) with a C-shaped cross-section are respectively formed. On the edge portions on both sides of the first top wall plate (11a) and the first bottom wall plate (11b), first card slots (11f) corresponding to the first elastic clasps (103f) are respectively formed. The first elastic clasps (103f) are engaged into the first card slots (11f) to fix the first terminal limiting member (103) to the first mating portion (111).

14. The electrical connection module according to claim 12, wherein: First elastic locking pieces (103d) are respectively formed on the first top plate (103a) and the first bottom plate (103b). The first elastic locking pieces (103d) are engaged with the inner housing (3) to lock the first terminal (11) into the inner housing (3); First guiding ribs (103e) extending along the longitudinal direction (Y) are also respectively formed on the first top plate (103a) and the first bottom plate (103b). The first guiding ribs (103e) are used to cooperate with the first guiding grooves in the inner housing (3) to guide the first terminal (11) to be inserted into the inner housing (3) along the longitudinal direction (Y).

15. The electrical connection module according to claim 10, wherein: The second terminal (12) further includes: A second terminal limiting member (104), which is annular and sleeved on the end of the second mating portion (121) for ensuring that the distance between the second top wall plate (12a) and the second bottom wall plate (12b) is equal to a predetermined value.

16. The electrical connection module according to claim 15, wherein: The second terminal limiting member (104) includes: A second top plate (104a) that abuts against the outer side of the second top wall plate (12a); A second bottom plate (104b) that abuts against the outer side of the second bottom wall plate (12b); and Two second side plates (104c) that are connected between the second top plate (104a) and the second bottom plate (104b), The second top plate (104a) and the second bottom plate (104b) have opposite sides in the width direction of the second terminal body (120). One second side plate (104c) is connected between one side of the second top plate (104a) and the second bottom plate (104b) and abuts against one side surface of the second mating portion (121), and the other second side plate (104c) is connected between the other side of the second top plate (104a) and the second bottom plate (104b) and abuts against the other side surface of the second mating portion (121).

17. The electrical connection module according to claim 16, wherein: Second elastic clasps (104f) with a C-shaped cross-section are respectively formed on both sides of the second top plate (104a) and the second bottom plate (104b). Second card slots (12f) corresponding to the second elastic clasps (104f) are respectively formed on the edge portions of the left and right sides of the second top wall plate (12a) and the second bottom wall plate (12b). The second elastic clasps (104f) are engaged into the second card slots (12f) to fix the second terminal limiting member (104) to the second mating portion (121).

18. The electrical connection module according to claim 16, wherein: Second elastic locking pieces (104d) are respectively formed on the second top plate (104a) and the second bottom plate (104b). The second elastic locking pieces (104d) are engaged with the inner housing (3) to lock the second terminal (12) into the inner housing (3); Second guiding ribs (104e) extending in the height direction (Z) are also respectively formed on the second top plate (104a) and the second bottom plate (104b). The second guiding ribs (104e) are used to cooperate with second guiding grooves in the inner housing (3) to guide the second terminal (12) to be inserted into the inner housing (3) along the height direction (Z).

19. The electrical connection module according to claim 7, wherein: The first connecting portion (112) includes a first top layer plate (112a) and a first bottom layer plate (112b) that are stacked and riveted together in the thickness direction of the first terminal body (110). The first top layer plate (112a) and the first bottom layer plate (112b) are respectively connected to the first top wall plate (11a) and the first bottom wall plate (11b). The first conductor end (211) is flat and is stacked and welded on the first top layer plate (112a) or the first bottom layer plate (112b).

20. The electrical connection module according to claim 8, wherein: The second connecting portion (122) includes a second top plate (122a) and a second bottom plate (122b) that are stacked and riveted together in the thickness direction of the second terminal body (120). The second top plate (122a) and the second bottom plate (122b) are respectively connected to the second top wall plate (12a) and the second bottom wall plate (12b). The second conductor end (221) is flat and is stacked and welded on the second top plate (122a) or the second bottom plate (122b).

21. The electrical connection module according to claim 3, wherein: The inner housing (3) includes: A main body portion (3a) having a top opening formed at its top and communicating with the second terminal groove (302) and the second cable hole (302b); and A top cover portion (3b) installed on the top of the main body portion (3a) for closing the top opening of the main body portion (3a), The second terminal (12) and the second cable (22) are inserted into the main body portion (3a) of the inner housing (3) through the top opening of the main body portion (3a).

22. The electrical connection module according to claim 4, wherein Further includes: A first shielding sleeve (41) for electrically connecting the shielding layer of the first cable (21) to the outer shielding housing (7) of the connector; And A second shielding sleeve (42) sleeved on the second cable (22) for electrically connecting the shielding layer of the second cable (22) to the outer shielding housing (7).

23. The electrical connection module according to claim 4, characterized in that, Further includes: A rear end cover (5) adapted to be latched to the rear end of the outer shielding housing (7) of the connector to fix the first cable (21) and the second cable (22) to the outer shielding housing (7), A through hole is formed in the rear end cover (5) to allow the first cable (21) and the second cable (22) to pass through.

24. The electrical connection module according to claim 1, characterized in that, Further includes: A first end cap (33) installed on the first socket (301a) of the inner housing (3) and having a first guiding opening (33a) formed for guiding the first mating terminal into the first socket (301a); and A second end cap (34) installed on the second socket (302a) of the inner housing (3) and having a second guiding opening (34a) formed for guiding the second mating terminal into the second socket (302a).

25. The electrical connection module according to any one of claims 1-24, wherein: A wall recess (32) is formed on the outer side of the front end of the inner housing (3). The wall recess (32) is located between the front ends of the pair of first terminal grooves (301) and directly in front of the one second terminal groove (302); The wall recess (32) is used to cooperate with the installation portion (72) of the outer shielding housing (7) of the connector, so that the connector can be fastened to the mating outer shielding housing by a bolt (71) passing through the installation portion (72) of the outer shielding housing (7) in the height direction (Z).

26. An electrical connector, characterized in that, Includes: An outer shielding housing (7) formed with an installation chamber (70); And The electrical connection module (100) according to any one of claims 1-25 is inserted into the installation chamber (70) of the outer shielding case (7).

27. The electrical connector according to claim 26, characterized in that: The outer shielding case (7) has a mounting portion (72) embedded in the wall recess (32) of the inner case, and a connection hole (73) penetrating in the height direction (Z) of the outer shielding case (7) is formed in the mounting portion (72); The electrical connector further includes a bolt (71), the bolt (71) passes through the connection hole (73) and is adapted to be threadedly connected to a threaded hole of a mating outer shielding case to fasten the connector to the mating connector.

28. The electrical connector according to claim 26, characterized in that: The outer shielding case (7) has a front end and a rear end opposite to each other in its longitudinal direction (Y) and a bottom side and a top side opposite to each other in its height direction (Z); The installation chamber (70) has a rear port (70b) located at the rear end of the outer shielding case (7), the electrical connection module (100) is inserted into the installation chamber (70) through the rear port (70b), and the first cable (21) and the second cable (22) of the electrical connection module (100) extend out of the rear port (70b) along the longitudinal direction (Y); The installation chamber (70) further has a bottom port (70a) located on the bottom side of the front end of the outer shielding case (7), and the first socket (301a) and the second socket (302a) of the inner case (3) of the electrical connection module (100) are located in the bottom port (70a), so that the first mating terminal and the second mating terminal can be respectively inserted into the first socket (301a) and the second socket (302a) of the inner case (3) along the height direction (Z) through the bottom port (70a).

29. The electrical connector according to claim 28, wherein, Further included is: A sealing ring (74), which is arranged in the bottom port (70a) of the outer shielding case (7) and is adapted to be squeezed between the outer shielding case (7) and the mating outer shielding case to achieve sealing therebetween.

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