Connector terminal, connector and connector assembly

Abstract

The utility model discloses a connector terminal, a connector and a connector assembly. The connector terminal includes: a terminal body including a mating portion for mating with a mating terminal; and the terminal shell is sleeved on the matching part of the terminal body. The terminal body is used for bearing current, the conductivity of the manufacturing material of the terminal body is better than that of the manufacturing material of the terminal shell, the terminal shell is used for fixing the connector terminal in an insulating shell of a connector, and the mechanical property of the manufacturing material of the terminal shell is better than that of the manufacturing material of the terminal body. According to the utility model, the terminal shell is small in size and high in mechanical strength, the connector terminal can be reliably locked in the insulating shell of the connector, the size of the connector terminal can be reduced, the cost of the connector terminal can be reduced, and miniaturization of the connector is facilitated. Besides, in some embodiments of the utility model, the matching part of the connector terminal used for crimping the circular cable and the matching part of the connector terminal used for crimping the flat cable have the same structure, so that the manufacturing cost can be further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of connector terminals, including the connector of the connector terminal and the connector assembly including the connector. BACKGROUND

[0002] In prior art, the connector terminal is usually copper terminal of single material, which includes a mating portion adapted to mate with a mating terminal, a crimping portion for crimping to a cable, and a locking portion for locking into a connector housing, and the locking portion is usually formed on the mating portion. Since the strength of copper material is limited, in order to ensure that the connector terminal can be reliably locked in the connector housing, it is necessary to increase the size of the connector terminal, for example, to increase the wall thickness of the connector terminal, which will result in the increase of the volume of the connector terminal, the increase of material usage, the higher cost, and also result in the increase of the volume of the connector, which is not conducive to the miniaturization of the connector. In addition, in prior art, the structure of the mating portion of the connector terminal for crimping a circular cable is different from that of the mating portion of the connector terminal for crimping a flat cable, which will increase the manufacturing cost. SUMMARY

[0003] The utility model aims to solve at least one aspect of the above problems and defects existing in prior art.

[0004] According to one aspect of the utility model, a connector terminal is provided. The connector terminal includes a terminal body including a mating portion for mating with a mating terminal, and a terminal shell sleeved on the mating portion of the terminal body. The terminal body is used for carrying current and has a better electrical conductivity than the terminal shell, and the terminal shell is used for fixing the connector terminal in an insulating shell of a connector and has a better mechanical property than the terminal body.

[0005] According to one exemplary embodiment of the utility model, the terminal body is made of copper or copper alloy, and the terminal shell is made of stainless steel.

[0006] According to another exemplary embodiment of the utility model, the mating portion of the terminal body includes a pair of first elastic arms extending in the longitudinal direction and opposite in the transverse direction, a pair of second elastic arms extending in the longitudinal direction and opposite in the height direction, and a connecting ring connected to the rear ends of the pair of first elastic arms and the pair of second elastic arms, the front end of one first elastic arm is connected to the front end of only one second elastic arm, and the front end of the other first elastic arm is connected to the front end of only the other second elastic arm.

[0007] According to another exemplary embodiment of the present application, the pair of first spring arms are configured to clamp a mating terminal inserted therebetween for electrical contact with the mating terminal; and / or the pair of second spring arms are configured to clamp a mating terminal inserted therebetween for electrical contact with the mating terminal.

[0008] According to another exemplary embodiment of the present application, the pair of first spring arms each have a contact protrusion protruding inwardly therefrom, the contact protrusion being configured to make electrical contact with a mating terminal inserted therebetween; and / or the pair of second spring arms each have a contact protrusion protruding inwardly therefrom, the contact protrusion being configured to make electrical contact with a mating terminal inserted therebetween.

[0009] According to another exemplary embodiment of the present application, the mating portion further comprises: a rear end portion connected to a rear side of the connecting ring, the rear end portion being U-shaped and comprising a bottom wall extending rearwardly from the rear side of the connecting ring and a pair of side walls, each of the pair of side walls of the rear end portion having a recess formed therein, and a pair of rivet tabs formed on both sides of a rear end of the terminal housing, the pair of rivet tabs being riveted into the recesses to secure the mating portion into the terminal housing.

[0010] According to another exemplary embodiment of the present application, the terminal body further comprises: a crimping portion connected to the rear end of the mating portion, the crimping portion being located outside of the terminal housing and configured to be crimped onto a cable to electrically connect the terminal body to the cable.

[0011] According to another exemplary embodiment of the present application, the crimping portion comprises: a U-shaped base portion adapted to receive a round cable; and a plurality of side wings formed on both sides of the U-shaped base portion, the plurality of side wings being configured to grip the round cable in the U-shaped base portion.

[0012] According to another exemplary embodiment of the present application, the crimping portion comprises: a flat base plate adapted to receive a flat cable; and a plurality of side wings formed on both sides of the flat base plate, the plurality of side wings being configured to grip the flat cable on the flat base plate.

[0013] According to another exemplary embodiment of the present application, the side wings each have a pricking end configured to pierce through an insulation layer of the flat cable to make electrical contact with a conductor inside the flat cable.

[0014] According to another exemplary embodiment of the present application, the flat base plate is connected to the bottom wall of the rear end of the mating portion and extends linearly rearwardly from the mating portion along the longitudinal direction.

[0015] According to another exemplary embodiment of the present application, the flat substrate is connected to the bottom wall of the rear end of the mating portion and is bent downward by 90 degrees relative to the mating portion, so that the mating portion is perpendicular to the crimping portion.

[0016] According to another exemplary embodiment of the present application, the terminal body is an integral stamping member.

[0017] According to another exemplary embodiment of the present application, the terminal housing includes a top wall and a bottom wall opposite in the height direction and a pair of side walls opposite in the lateral direction; a locking spring is formed on the top wall of the terminal housing, and the locking spring is adapted to engage with the insulating housing to lock the connector terminal into the insulating housing.

[0018] According to another exemplary embodiment of the present application, one side wall of the terminal housing extends upward beyond the top wall, and the portion of the one side wall extending upward beyond the top wall serves as a guide rib for guiding the connector terminal to be inserted into the insulating housing in the longitudinal direction.

[0019] According to another exemplary embodiment of the present application, the bottom wall is connected between the bottoms of the pair of side walls, and one side of the top wall abuts against the one side wall and the other side is connected to the top of the other side wall.

[0020] According to another exemplary embodiment of the present application, a limiting baffle is formed on the front side of the top wall, the bottom wall and the pair of side walls of the terminal housing and is bent inward perpendicularly, and the limiting baffle is used to abut against the front end face of the mating portion of the terminal body to longitudinally position the terminal body.

[0021] According to another exemplary embodiment of the present application, the terminal housing is an integral stamping member.

[0022] According to another aspect of the present application, a connector is provided. The connector includes: an insulating housing; and the aforementioned connector terminal inserted into the insulating housing.

[0023] According to another aspect of the present application, a connector assembly is provided. The connector assembly includes: the aforementioned connector; and a mating connector mating with the connector. The mating connector includes a mating terminal inserted into the mating portion of the connector terminal to electrically contact with the connector terminal.

[0024] In the aforementioned exemplary embodiments of the present application, the terminal housing has a small volume and a large mechanical strength, which not only can reliably lock the connector terminal in the insulating housing of the connector, but also can reduce the volume and the manufacturing cost of the connector terminal, and is beneficial to realize the miniaturization of the connector.

[0025] Further, in the aforementioned some exemplary embodiments of the present application, the mating portion of the connector terminal for crimping the round cable and the mating portion of the connector terminal for crimping the flat cable have the same structure, so that the manufacturing cost can be further reduced.

[0026] Other objects and advantages of the present application will become apparent from the following description, taken in conjunction with the accompanying drawings, illustrating the principles of the application. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 FIG. 1 shows a perspective view of a connector terminal according to one exemplary embodiment of the present application;

[0028] Figure 2 FIG. 2 shows an exploded view of the connector terminal according to one exemplary embodiment of the present application;

[0029] Figure 3 FIG. 3 shows a perspective view of a terminal body of the connector terminal according to one exemplary embodiment of the present application;

[0030] Figure 4 FIG. 4 shows a perspective view of the terminal body of the connector terminal according to one exemplary embodiment of the present application, as viewed from the bottom;

[0031] Figure 5 FIG. 5 shows a longitudinal sectional view of the connector terminal according to one exemplary embodiment of the present application;

[0032] Figure 6 FIG. 6 shows an exploded sectional view of the connector terminal according to one exemplary embodiment of the present application;

[0033] Figure 7 FIG. 7 shows a horizontal sectional view of the connector terminal according to one exemplary embodiment of the present application, in which a mating terminal is shown;

[0034] Figure 8 FIG. 8 shows a perspective view of a connector terminal according to another exemplary embodiment of the present application;

[0035] Figure 9 FIG. 9 shows an exploded view of the connector terminal according to another exemplary embodiment of the present application;

[0036] Figure 10 FIG. 10 shows a perspective view of a connector terminal according to yet another exemplary embodiment of the present application;

[0037] Figure 11An exploded view of a connector terminal according to another exemplary embodiment of the present application is shown. DETAILED DESCRIPTION

[0038] The technical solutions of the present application will be further described in detail below with reference to the drawings. In the description, identical or similar reference numerals indicate identical or similar components. The following description of the embodiments of the present application with reference to the drawings is intended to explain the general inventive concept of the present application and should not be construed as a limitation of the present application.

[0039] In addition, in the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. However, it will be apparent to one skilled in the art that one or more embodiments can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to avoid obscuring the accompanying drawings.

[0040] According to one general inventive concept, a connector terminal is provided. The connector terminal includes: a terminal body including a mating portion for mating with a mating terminal; and a terminal housing fitted on the mating portion of the terminal body. The terminal body is for carrying current and has a manufacturing material with better electrical conductivity than a manufacturing material of the terminal housing, and the terminal housing is for fixing the connector terminal in an insulating housing of a connector and has a manufacturing material with better mechanical properties than a manufacturing material of the terminal body.

[0041] According to another general inventive concept, a connector is provided. The connector includes: an insulating housing; and the aforementioned connector terminal inserted into the insulating housing.

[0042] According to another general inventive concept, a connector assembly is provided. The connector assembly includes: the aforementioned connector; and a mating connector mating with the connector. The mating connector includes a mating terminal inserted into the mating portion of the connector terminal to electrically contact the connector terminal.

[0043] Figure 1 A perspective view of a connector terminal 10 according to one exemplary embodiment of the present application is shown. Figure 2 An exploded view of a connector terminal 10 according to one exemplary embodiment of the present application is shown. Figure 3 A perspective view of a terminal body 11 of a connector terminal 10 according to one exemplary embodiment of the present application is shown. Figure 4 A perspective view of a terminal body 11 of a connector terminal 10 according to one exemplary embodiment of the present application is shown. Figure 5A longitudinal sectional view of the connector terminal 10 according to an exemplary embodiment of the present application is shown. Figure 6 An exploded sectional view of the connector terminal 10 according to an exemplary embodiment of the present application is shown. Figure 7 A horizontal sectional view of the connector terminal 10 according to an exemplary embodiment of the present application is shown, in which a mating terminal 20 is shown.

[0044] As Figures 1 to 7 shown, in an exemplary embodiment of the present application, a connector terminal 10 is disclosed. The connector terminal 10 includes a terminal body 11 and a terminal shell 12. The terminal body 11 includes a mating portion 110 for mating with a mating terminal 20. The terminal shell 12 is fitted on the mating portion 110 of the terminal body 11. The terminal body 11 is used for carrying current and its manufacturing material has better electrical conductivity than that of the terminal shell 12. The terminal shell 12 is used for fixing the connector terminal 10 in an insulating shell (not shown) of a connector and its manufacturing material has better mechanical properties than that of the terminal body 11.

[0045] As Figures 1 to 7 shown, in the illustrated embodiment, the terminal body 11 is made of copper or copper alloy, and the terminal shell 12 is made of stainless steel.

[0046] As Figures 1 to 7 shown, in the illustrated embodiment, the mating portion 110 of the terminal body 11 includes a pair of first elastic arms 111, a pair of second elastic arms 112, and a connecting ring 113. The pair of first elastic arms 111 extend along the longitudinal direction Y and are opposite to each other in the lateral direction X. The pair of second elastic arms 112 extend along the longitudinal direction Y and are opposite to each other in the height direction Z. The connecting ring 113 is connected to the rear ends of the pair of first elastic arms 111 and the pair of second elastic arms 112, and the pair of first elastic arms 111 and the pair of second elastic arms 112 extend forward from the connecting ring 113. The front end of one first elastic arm 111 is connected only to the front end of one second elastic arm 112, and the front end of the other first elastic arm 111 is connected only to the front end of the other second elastic arm 112.

[0047] As Figures 1 to 7 shown, in the illustrated embodiment, the pair of first elastic arms 111 are used to clamp the mating terminal 20 inserted therebetween to make electrical contact with the mating terminal 20. However, the present application is not limited thereto, for example, the pair of second elastic arms 112 can also be used to clamp the mating terminal 20 inserted therebetween to make electrical contact with the mating terminal 20.

[0048] As Figures 1 to 7As shown in the illustrated embodiment, the pair of first elastic arms 111 each has an inwardly protruding contact protrusion 11a formed thereon for making electrical contact with the inserted mating terminal 20. However, the present application is not limited thereto, and for example, the pair of second elastic arms 112 each can have an inwardly protruding contact protrusion 11a formed thereon for making electrical contact with the inserted mating terminal 20.

[0049] As shown in the illustrated embodiment, the mating portion 110 further includes a rear end portion 114 connected to the rear side of the connecting ring 113. The rear end portion 114 is U-shaped, including a bottom wall extending rearward from the rear side of the connecting ring 113 and a pair of side walls, and a pair of notches 118 are formed on the pair of side walls of the rear end portion 114, respectively. A pair of rivet pieces 126 are formed on both sides of the rear end of the terminal housing 12, respectively, and the rivet pieces 126 are riveted into the notches 118 to secure the mating portion 110 to the terminal housing 12. Figures 1 to 7 As shown in the illustrated embodiment, the mating portion 110 further includes a rear end portion 114 connected to the rear side of the connecting ring 113. The rear end portion 114 is U-shaped, including a bottom wall extending rearward from the rear side of the connecting ring 113 and a pair of side walls, and a pair of notches 118 are formed on the pair of side walls of the rear end portion 114, respectively. A pair of rivet pieces 126 are formed on both sides of the rear end of the terminal housing 12, respectively, and the rivet pieces 126 are riveted into the notches 118 to secure the mating portion 110 to the terminal housing 12.

[0050] Figures 1 to 7 As shown in the illustrated embodiment, the terminal body 11 further includes a crimping portion 115 connected to the rear end of the mating portion 110. The crimping portion 115 is located outside the terminal housing 12 and is used for crimping onto a cable (not shown) to electrically connect the terminal body 11 to the cable.

[0051] As shown in the illustrated embodiment, the crimping portion 115 includes a U-shaped base 116 and a plurality of side wings 117. The U-shaped base 116 is adapted to position a round cable (not shown). The plurality of side wings 117 are formed on both sides of the U-shaped base 116, respectively. The plurality of side wings 117 are used to hold the round cable in the U-shaped base 116. Thus, in the illustrated embodiment, the connector terminal 10 is used for crimping onto a round cable. Figures 1 to 7

[0052] FIG. 3 shows a perspective view of a connector terminal 10 according to another exemplary embodiment of the present application; Figure 8 FIG. 4 shows an exploded view of the connector terminal 10 according to another exemplary embodiment of the present application. Figure 9

[0053] FIG. 1 shows a connector terminal 10 according to an exemplary embodiment of the present application; Figure 8 The main difference between the connector terminal 10 shown in FIG. 1 and the connector terminal 10 shown in FIG. 2 is the structure of the crimping portion 115, Figure 9 The mating portion 110 of the connector terminal 10 shown in FIG. 1 is exactly the same as the mating portion 110 of the connector terminal 10 shown in FIG. 3. Figures 1 to 7 The main difference between the connector terminal 10 shown in FIG. 1 and the connector terminal 10 shown in FIG. 2 is the structure of the crimping portion 115, Figure 8 The mating portion 110 of the connector terminal 10 shown in FIG. 1 is exactly the same as the mating portion 110 of the connector terminal 10 shown in FIG. 3. Figure 9 Figures 1 to 7 The main difference between the connector terminal 10 shown in FIG. 1 and the connector terminal 10 shown in FIG. 2 is the structure of the crimping portion 115,

[0054] The main difference between the connector terminal 10 shown in FIG. 1 and the connector terminal 10 shown in FIG. 2 is the structure of the crimping portion 115, Figure 8 and​​Figure 9 As shown in the illustrated embodiment, the crimping portion 115 of the terminal body 11 includes a flat substrate 119 and a plurality of side wings 117. The flat substrate 119 is adapted to position a flat cable (not shown). The plurality of side wings 117 are formed on both sides of the flat substrate 119, respectively. The plurality of side wings 117 are used to hold the flat cable on the flat substrate 119.

[0055] As shown in the illustrated embodiment, the crimping portion 115 of the terminal body 11 includes a flat substrate 119 and a plurality of side wings 117. The flat substrate 119 is adapted to position a flat cable (not shown). The plurality of side wings 117 are formed on both sides of the flat substrate 119, respectively. The plurality of side wings 117 are used to hold the flat cable on the flat substrate 119. Figure 8 Figure 9 As shown in the illustrated embodiment, the side wings 117 have a pricking end 117a for pricking through an insulation layer on the flat cable to make electrical contact with a conductor inside the flat cable.

[0056] As shown in the illustrated embodiment, the crimping portion 115 of the terminal body 11 includes a flat substrate 119 and a plurality of side wings 117. The flat substrate 119 is adapted to position a flat cable (not shown). The plurality of side wings 117 are formed on both sides of the flat substrate 119, respectively. The plurality of side wings 117 are used to hold the flat cable on the flat substrate 119. Figure 8 Figure 9 As shown in the illustrated embodiment, the flat substrate 119 is connected to the bottom wall of the rear end of the mating portion 110 and extends straight rearward along the longitudinal direction Y from the mating portion 110.

[0057] Figure 10 Fig. 6 shows a perspective view of a connector terminal 10 according to yet another exemplary embodiment of the present application; Figure 11 Fig. 7 shows an exploded view of the connector terminal 10 according to yet another exemplary embodiment of the present application.

[0058] Figure 10 The connector terminal 10 shown in Fig. 6 differs from the connector terminal 10 shown in Fig. 1 mainly in the structure of the crimping portion 115, Figure 11 The mating portion 110 of the connector terminal 10 shown in Fig. 6 is exactly the same as the mating portion 110 of the connector terminal 10 shown in Fig. 1. Figures 1 to 9 The mating portion 110 of the connector terminal 10 shown in Fig. 6 is exactly the same as the mating portion 110 of the connector terminal 10 shown in Fig. 1. Figure 10 The mating portion 110 of the connector terminal 10 shown in Fig. 6 is exactly the same as the mating portion 110 of the connector terminal 10 shown in Fig. 1. Figure 11 The mating portion 110 of the connector terminal 10 shown in Fig. 6 is exactly the same as the mating portion 110 of the connector terminal 10 shown in Fig. 1. Figures 1 to 9 The mating portion 110 of the connector terminal 10 shown in Fig. 6 is exactly the same as the mating portion 110 of the connector terminal 10 shown in Fig. 1.

[0059] Figure 10 The crimping portion 115 of the connector terminal 10 shown in Fig. 6 differs from the crimping portion 115 of the connector terminal 10 shown in Fig. 1 mainly in the extension direction, Figure 11 The crimping portion 115 of the connector terminal 10 shown in Fig. 6 differs from the crimping portion 115 of the connector terminal 10 shown in Fig. 1 mainly in the extension direction, Figure 8 The crimping portion 115 of the connector terminal 10 shown in Fig. 6 differs from the crimping portion 115 of the connector terminal 10 shown in Fig. 1 mainly in the extension direction, Figure 9 The crimping portion 115 of the connector terminal 10 shown in Fig. 6 differs from the crimping portion 115 of the connector terminal 10 shown in Fig. 1 mainly in the extension direction. Figure 10 The crimping portion 115 of the connector terminal 10 shown in Fig. 6 differs from the crimping portion 115 of the connector terminal 10 shown in Fig. 1 mainly in the extension direction. Figure 11 The crimping portion 115 of the connector terminal 10 shown in Fig. 6 differs from the crimping portion 115 of the connector terminal 10 shown in Fig. 1 mainly in the extension direction. Figure 8 The crimping portion 115 of the connector terminal 10 shown in Fig. 6 differs from the crimping portion 115 of the connector terminal 10 shown in Fig. 1 mainly in the extension direction. Figure 9 The crimping portion 115 of the connector terminal 10 shown in Fig. 6 differs from the crimping portion 115 of the connector terminal 10 shown in Fig. 1 mainly in the extension direction.

[0060] The crimping portion 115 of the connector terminal 10 shown in Fig. 6 differs from the crimping portion 115 of the connector terminal 10 shown in Fig. 1 mainly in the extension direction. Figure 10 The crimping portion 115 of the connector terminal 10 shown in Fig. 6 differs from the crimping portion 115 of the connector terminal 10 shown in Fig. 1 mainly in the extension direction. Figure 11 ​​As shown in the illustrated embodiment, the flat substrate 119 of the crimping portion 115 is connected to the bottom wall of the rear end of the mating portion 110 and is bent downward at 90 degrees relative to the mating portion 110, so that the mating portion 110 is perpendicular to the crimping portion 115.

[0061] like Figure 10 and Figure 11 As shown in the illustrated embodiment, the terminal body 11 can be a one-piece stamped part.

[0062] like Figures 1 to 11 As shown, in the illustrated embodiment, the terminal housing 12 includes a top wall 122 and a bottom wall 123 opposite each other in the height direction Z, and a pair of side walls 121 opposite each other in the transverse direction X. A locking spring 124 is formed on the top wall 122 of the terminal housing 12, which is adapted to engage with an insulating shell to lock the connector terminal 10 into the insulating shell.

[0063] like Figures 1 to 11 As shown, in the illustrated embodiment, one sidewall 121 of the terminal housing 12 extends upward beyond the top wall 122. The portion of the sidewall 121 extending upward beyond the top wall 122 serves as a guide rib 125 to guide the connector terminal 10 into the insulating housing along the longitudinal Y direction, and also prevents the connector terminal 10 from being inserted into the connector's insulating housing in the wrong orientation.

[0064] like Figures 1 to 11 As shown, in the illustrated embodiment, the bottom wall 123 is connected between the bottoms of a pair of side walls 121, and one side of the top wall 122 abuts against one side wall 121, while the other side is connected to the top of the other side wall 121.

[0065] like Figures 1 to 11 As shown in the illustrated embodiment, a limiting baffle 127 with an inward vertical bend is formed on the front side of the top wall 122, bottom wall 123 and a pair of side walls 121 of the terminal housing 12. The limiting baffle 127 is used to abut against the front end surface of the mating portion 110 of the terminal body 11 to position the terminal body 11 longitudinally in the Y direction.

[0066] like Figures 1 to 11 As shown in the illustrated embodiment, the terminal housing 12 can be a one-piece stamped part.

[0067] like Figures 1 to 11 As shown, in another exemplary embodiment of this utility model, a connector is also disclosed. The connector includes an insulating shell and connector terminals 10, which are inserted into the insulating shell.

[0068] like Figures 1 to 11As shown, in another exemplary embodiment of the present application, a connector assembly is also disclosed. The connector assembly includes the aforementioned connector and a mating connector. The mating connector mates with the connector. The mating connector includes a mating terminal 20 that is inserted into the mating portion 110 of the connector terminal 10 to make electrical contact with the connector terminal 10.

[0069] Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can make improvements on them, and the structures described in various embodiments can be freely combined without structural or principle conflicts, and these changes shall fall within the protection scope of the present application.

[0070] Although the present application 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 application, and cannot be understood as a limitation of the present application.

[0071] Although some embodiments of the general concept of the present application 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 application, and the scope of the present application is defined by the claims and their equivalents.

[0072] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "one" or "an" does not exclude a plurality. Additionally, any reference signs in the claims should not be construed as limiting the scope of the present application.

Claims

1. A connector terminal characterized by comprising: Comprising: a terminal body (11) including a mating portion (110) for mating with a mating terminal (20); and a terminal shell (12) covering the mating portion (110) of the terminal body (11), the terminal body (11) is used for carrying current and its manufacturing material has better electrical conductivity than that of the terminal shell (12), the terminal shell (12) is used for fixing the connector terminal (10) in the insulating shell of the connector and its manufacturing material has better mechanical properties than that of the terminal body (11).

2. The connector terminal according to claim 1, characterized in that: the terminal body (11) is made of copper or copper alloy, and the terminal shell (12) is made of stainless steel.

3. The connector terminal according to claim 1, characterized in that: the mating portion (110) of the terminal body (11) includes: a pair of first elastic arms (111) extending in the longitudinal direction (Y) and opposite in the transverse direction (X); a pair of second elastic arms (112) extending in the longitudinal direction (Y) and opposite in the height direction (Z); and a connecting ring (113) connected to the rear ends of the pair of first elastic arms (111) and the pair of second elastic arms (112), the front end of one first elastic arm (111) is connected only to the front end of one second elastic arm (112), and the front end of the other first elastic arm (111) is connected only to the front end of the other second elastic arm (112).

4. The connector terminal according to claim 3, characterized in that: the pair of first elastic arms (111) are used to clamp the mating terminal (20) inserted therebetween to make electrical contact with the mating terminal (20); and / or the pair of second elastic arms (112) are used to clamp the mating terminal (20) inserted therebetween to make electrical contact with the mating terminal (20).

5. The connector terminal according to claim 4, characterized in that: contact protrusions (11a) protruding inward are respectively formed on the pair of first elastic arms (111), and the contact protrusions (11a) are used to make electrical contact with the inserted mating terminal (20); and / or contact protrusions (11a) protruding inward are respectively formed on the pair of second elastic arms (112), and the contact protrusions (11a) are used to make electrical contact with the inserted mating terminal (20).

6. The connector terminal according to claim 3, characterized in that: the mating portion (110) further includes: a rear end portion (114) connected to the rear side of the connecting ring (113), the rear end portion (114) is U-shaped, including a bottom wall extending rearward from the rear side of the connecting ring (113) and a pair of side walls, and notches (118) are respectively formed on the pair of side walls of the rear end portion (114), rivet pieces (126) are respectively formed on both sides of the rear end of the terminal shell (12), and the rivet pieces (126) are riveted into the notches (118) to fix the mating portion (110) to the terminal shell (12).

7. The connector terminal according to claim 1, characterized in that: the terminal body (11) further includes: a crimping portion (115) connected to a rear end of the pair of fitting portions (110), the crimping portion (115) is located outside the terminal housing (12) and is used to be crimped to a cable to electrically connect the terminal body (11) to the cable.

8. The connector terminal according to claim 7, wherein: the crimping portion (115) includes: a U-shaped base (116) adapted to position a round cable; and a plurality of side wings (117) respectively formed on both sides of the U-shaped base (116), the plurality of side wings (117) are used to hold the round cable in the U-shaped base (116).

9. The connector terminal according to claim 7, wherein: the crimping portion (115) includes: a flat base plate (119) adapted to position a flat cable; and a plurality of side wings (117) respectively formed on both sides of the flat base plate (119), the plurality of side wings (117) are used to hold the flat cable on the flat base plate (119).

10. The connector terminal according to claim 9, wherein: the side wings (117) have a pricking end (117a) used to pierce an insulation layer on the flat cable to electrically contact a conductor inside the flat cable.

11. The connector terminal according to claim 9, wherein: the flat base plate (119) is connected to a bottom wall of a rear end of the pair of fitting portions (110) and linearly extends rearward along the longitudinal direction (Y) from the pair of fitting portions (110).

12. The connector terminal according to claim 9, wherein: the flat base plate (119) is connected to a bottom wall of a rear end of the pair of fitting portions (110) and is bent downward by 90 degrees with respect to the pair of fitting portions (110) such that the pair of fitting portions (110) is perpendicular to the crimping portion (115).

13. The connector terminal according to any one of claims 1-12, characterized by: the terminal body (11) is an integral stamping member.

14. The connector terminal according to claim 1, wherein: the terminal housing (12) includes a top wall (122) and a bottom wall (123) opposite in the height direction (Z) and a pair of side walls (121) opposite in the lateral direction (X); a locking spring (124) is formed on the top wall (122) of the terminal housing (12) and is adapted to engage with the insulation housing to lock the connector terminal (10) into the insulation housing.

15. The connector terminal according to claim 14, wherein: one side wall (121) of the terminal housing (12) extends upward beyond the top wall (122), and the portion of the one side wall (121) extending upward beyond the top wall (122) serves as a guide rib (125) to guide insertion of the connector terminal (10) into the insulation housing along the longitudinal direction (Y).

16. The connector terminal according to claim 15, wherein: The bottom wall (123) is connected between the bottoms of the pair of side walls (121), and one side of the top wall (122) abuts against one side wall (121) and the other side is connected to the top of the other side wall (121).

17. The connector terminal according to claim 14, characterized in that: A limit stop (127) is formed on the front side of the top wall (122), the bottom wall (123) and the pair of side walls (121) of the terminal housing (12) and is vertically bent inward, and the limit stop (127) is used to abut against the front end surface of the mating portion (110) of the terminal body (11) to position the terminal body (11) in the longitudinal direction (Y).

18. The connector terminal according to any one of claims 1-12, 14-17, wherein: The terminal housing (12) is an integral stamping.

19. A connector characterized by comprising: Comprising: An insulating housing; And The connector terminal (10) according to any one of claims 1 to 18 is inserted into the insulating housing.

20. A connector assembly comprising: Comprising: The connector according to claim 19; And A mating connector that mates with the connector, The mating connector includes a mating terminal (20) that is inserted into the mating portion (110) of the connector terminal (10) to make electrical contact with the connector terminal (10).

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