Connector terminal, electrical connection module, and connector

Abstract

The utility model discloses a connector terminal, an electric connection module and a connector. The connector terminal comprises a matching part which is used for matching with a matching terminal of a matching connector; and the connecting part is connected with the rear end of the matching part and is used for being electrically connected with a wire. The connecting part is provided with a wire jack allowing one end of the wire to be inserted therein, and a threaded hole communicated with the wire jack is formed in the top wall of the connecting part, so that one end of the wire can be fastened in the connecting part through a screw screwed into the threaded hole; the connector terminal is an integrated punch-formed terminal made by punching a single metal plate, and the top wall of the connecting portion includes double plates stacked together, so that the top wall of the connecting portion has a double plate structure to increase the mechanical strength of the top wall of the connecting portion. According to the utility model, the connector terminal is an integrated punch forming terminal, so that the manufacturing cost can be reduced. In addition, the connector terminal provided by the utility model has strong mechanical strength, and can ensure reliable electric connection with a lead.

Description

Technical Field

[0001] The utility model relates to a connector terminal, an electrical connection module including the connector terminal, and a connector including the electrical connection module. Background Art

[0002] In the prior art, a connector terminal generally includes a mating portion for mating with a mating terminal of a mating connector and a connection portion for electrically connecting to a wire. A wire insertion hole and a threaded hole are formed in the connection portion, so that a inserted wire can be fastened to the connection portion by a screw screwed into the threaded hole. In the prior art, such a connector terminal is generally a machined terminal, which results in a high cost of the connector terminal. Summary of the Utility Model

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

[0004] According to one aspect of the utility model, a connector terminal is provided. The connector terminal includes: a mating portion for mating with a mating terminal of a mating connector; and a connection portion connected to the rear end of the mating portion for electrically connecting to a wire. The connection portion has a wire insertion hole allowing one end of the wire to be inserted, and a threaded hole communicating with the wire insertion hole is formed in the top wall of the connection portion, so that one end of the wire can be fastened in the connection portion by a screw screwed into the threaded hole; the connector terminal is an integrally stamping formed terminal made by stamping a single metal plate, and the top wall of the connection portion includes two layers of plates stacked together, so that the top wall of the connection portion has a two-layer plate structure to increase the mechanical strength of the top wall of the connection portion.

[0005] According to an exemplary embodiment of the utility model, the top wall of the connection portion includes an upper layer plate and a lower layer plate stacked up and down, and the upper layer plate and the lower layer plate are welded together.

[0006] According to another exemplary embodiment of the utility model, the connection portion has a U-shaped body with a first side wall and a second side wall spaced oppositely, the upper layer plate of the top wall is connected to the upper side of the first side wall of the U-shaped body, and the lower layer plate of the top wall is connected to the upper side of the second side wall of the U-shaped body.

[0007] According to another exemplary embodiment of the utility model, a tongue portion is formed on the side surface of the lower layer plate of the top wall facing the first side wall of the U-shaped body, and a plugging groove is formed on the first side wall of the U-shaped body, and the tongue portion engages with the plugging groove to fix the lower layer plate of the top wall.

[0008] According to another exemplary embodiment of the present utility model, the thickness of the top wall of the connecting portion is twice the wall thickness of the U-shaped body of the connecting portion.

[0009] According to another exemplary embodiment of the present utility model, the wire jack has a front port and a rear port opposite to each other in its axial direction, and one end of the wire is inserted into the wire jack from the rear port; the connecting portion further includes a limiting baffle, and the limiting baffle covers the front port of the wire jack and is used to abut against the end face of one end of the wire inserted into the wire jack to axially position the wire.

[0010] According to another exemplary embodiment of the present utility model, the limiting baffle is connected to the front end of the lower layer plate of the top wall and is vertically bent downward relative to the lower layer plate of the top wall into the front port of the wire jack.

[0011] According to another exemplary embodiment of the present utility model, the rear end of the mating portion is connected to the bottom of the front end of the U-shaped body of the connecting portion.

[0012] According to another exemplary embodiment of the present utility model, the mating portion is cylindrical and its wall thickness is smaller than the wall thickness of the connecting portion, and the mating portion is used for electrical contact with the inserted mating terminal.

[0013] According to another exemplary embodiment of the present utility model, the thickness of the top wall of the connecting portion is twice the wall thickness of the U-shaped body of the connecting portion, and the wall thickness of the U-shaped body of the connecting portion is not less than twice the wall thickness of the mating portion.

[0014] According to another exemplary embodiment of the present utility model, the metal plate has a first plate portion for forming the mating portion and a second plate portion for forming the connecting portion, and the thickness of the first plate portion is smaller than the thickness of the second plate portion, so that the wall thickness of the mating portion is smaller than the wall thickness of the connecting portion.

[0015] According to another exemplary embodiment of the present utility model, a noble metal coating is formed on the inner circumferential surface of the mating portion, and the noble metal coating is used for electrical contact with the inserted mating terminal to improve the electrical contact performance.

[0016] According to another exemplary embodiment of the present utility model, the noble metal coating is electroplated on the first plate portion of the metal plate before the first plate portion of the metal plate is bent into a cylindrical shape.

[0017] According to another exemplary embodiment of the present utility model, a locking spring piece is formed on the mating portion, and the locking spring piece extends outward obliquely and is used to be locked into the terminal jack of the terminal holder to lock the connector terminal in the terminal jack of the terminal holder.

[0018] According to another aspect of the present utility model, there is provided an electrical connection module. The electrical connection module includes: a terminal holder formed with terminal jacks; and the aforementioned connector terminals inserted into the terminal jacks of the terminal holder.

[0019] According to an exemplary embodiment of the present utility model, a plurality of terminal jacks are formed in the terminal holder, and the electrical connection module includes a plurality of connector terminals respectively inserted into the plurality of terminal jacks.

[0020] According to another aspect of the present utility model, there is provided a connector. The connector includes: the aforementioned electrical connection module; a shielding case sleeved on the terminal holder; a first nut sleeved on the terminal holder and threadedly connected to one end of the shielding case; a second nut sleeved on the terminal holder and axially opposite to the first nut for threadedly connecting to a mating nut of a mating connector; and a wave spring axially compressed between the first nut and the second nut to axially electrically connect the first nut and the second nut.

[0021] In the foregoing respective exemplary embodiments according to the present utility model, the connector terminal is an integrally stamped terminal. Therefore, the manufacturing cost can be reduced. In addition, the connector terminal of the present utility model has strong mechanical strength and can ensure reliable electrical connection with a wire.

[0022] Through the description of the present utility model with reference to the accompanying drawings hereinafter, other objects and advantages of the present utility model will be obvious and can help to have a comprehensive understanding of the present utility model. Description of the Drawings

[0023] Figure 1 A perspective schematic view showing a connector terminal according to an exemplary embodiment of the present utility model when viewed from one side;

[0024] Figure 2 A perspective schematic view showing a connector terminal according to an exemplary embodiment of the present utility model when viewed from the other side;

[0025] Figure 3 A perspective schematic view showing a connector terminal according to an exemplary embodiment of the present utility model when viewed from the front side;

[0026] Figure 4 A longitudinal sectional view showing a connector terminal according to an exemplary embodiment of the present utility model;

[0027] Figure 5 A planar sectional view showing a connector terminal according to an exemplary embodiment of the present utility model;

[0028] Figure 6 A perspective view showing an electrical connection module according to an exemplary embodiment of the present utility model;

[0029] Figure 7 An exploded view showing an electrical connection module according to an exemplary embodiment of the present utility model. Detailed implementation manners

[0030] The technical solution of the present utility model will be further specifically described below by way of embodiments in conjunction with the accompanying drawings. In the description of the specification, the same or similar reference numerals indicate the same or similar components. The description of the embodiments of the present utility model with reference to the accompanying drawings is intended to explain the overall inventive concept of the present utility model and should not be construed as a limitation to the present utility model.

[0031] In addition, in the following detailed description, for the sake of explanation, many specific details are set forth to provide a thorough understanding of the disclosed embodiments. However, it is obvious that one or more embodiments can be implemented without these specific details. In other instances, well-known structures and devices are shown in a schematic manner to simplify the drawings.

[0032] According to an overall inventive concept of the present utility model, a connector terminal is provided. The connector terminal includes: a mating portion for mating with a mating terminal of a mating connector; and a connecting portion connected to the rear end of the mating portion for electrically connecting with a wire. The connecting portion has a wire insertion hole allowing one end of the wire to be inserted, and a threaded hole communicating with the wire insertion hole is formed in the top wall of the connecting portion so that one end of the wire can be fastened in the connecting portion by screwing a screw into the threaded hole; the connector terminal is an integrally stamped terminal made by stamping a single metal plate, and the top wall of the connecting portion includes two stacked plates, so that the top wall of the connecting portion has a double-plate structure to increase the mechanical strength of the top wall of the connecting portion.

[0033] According to another overall inventive concept of the present utility model, an electrical connection module is provided. The electrical connection module includes: a terminal holder formed with a terminal insertion hole; and the aforementioned connector terminal inserted into the terminal insertion hole of the terminal holder.

[0034] According to another general technical concept of the present utility model, a connector is provided. The connector includes: the aforementioned electrical connection module; a shielding case, sleeved on the terminal holder; a first nut, sleeved on the terminal holder and threadedly connected to one end of the shielding case; a second nut, sleeved on the terminal holder and axially opposite to the first nut, for being threadedly connected to a mating nut of a mating connector; and a wave spring, axially compressed between the first nut and the second nut to axially electrically connect the first nut and the second nut.

[0035] Figure 1 Showing a perspective schematic view of a connector terminal 1 according to an exemplary embodiment of the present utility model when viewed from one side; Figure 2 Showing a perspective schematic view of a connector terminal 1 according to an exemplary embodiment of the present utility model when viewed from the other side; Figure 3 Showing a perspective schematic view of a connector terminal 1 according to an exemplary embodiment of the present utility model when viewed from the front side; Figure 4 Showing a longitudinal sectional view of a connector terminal 1 according to an exemplary embodiment of the present utility model; Figure 5 Showing a planar sectional view of a connector terminal 1 according to an exemplary embodiment of the present utility model; Figure 6 Showing a perspective schematic view of an electrical connection module according to an exemplary embodiment of the present utility model; Figure 7 Showing an exploded schematic view of an electrical connection module according to an exemplary embodiment of the present utility model.

[0036] As Figures 1 to 7 shown, in an exemplary embodiment of the present utility model, a connector terminal 1 is disclosed. The connector terminal 1 includes: a mating portion 13 and a connecting portion 10. The mating portion 13 is used for mating with a mating terminal (not shown) of a mating connector (not shown). The connecting portion 10 is connected to the rear end of the mating portion 13 and is used for electrically connecting with a wire (not shown).

[0037] As Figures 1 to 7 shown, in the illustrated embodiment, the connecting portion 10 has a wire insertion hole 101 allowing one end of the wire to be inserted, and a threaded hole 102 communicating with the wire insertion hole 101 is formed on the top wall 120 of the connecting portion 10, so that one end of the wire can be fastened in the connecting portion 10 by screwing a screw (not shown) into the threaded hole 102.

[0038] As Figures 1 to 7As shown, in the illustrated embodiment, the connector terminal 1 is a one-piece stamping terminal made by stamping a single metal plate (not shown), and the top wall 120 of the connecting portion 10 includes a double-layer plate stacked together, so that the top wall 120 of the connecting portion 10 has a double-layer plate structure to increase the mechanical strength of the top wall 120 of the connecting portion 10.

[0039] As Figures 1 to 7 shown, in the illustrated embodiment, the top wall 120 of the connecting portion 10 includes an upper layer plate 121 and a lower layer plate 122 stacked on top of each other, and the upper layer plate 121 and the lower layer plate 122 are welded together.

[0040] As Figures 1 to 7 shown, in the illustrated embodiment, the connecting portion 10 has a U-shaped body 110, the U-shaped body 110 has a first side wall 111 and a second side wall 112 spaced opposite to each other, the upper layer plate 121 of the top wall 120 is connected to the upper side of the first side wall 111 of the U-shaped body 110, and the lower layer plate 122 of the top wall 120 is connected to the upper side of the second side wall 112 of the U-shaped body 110.

[0041] As Figures 1 to 7 shown, in the illustrated embodiment, a tongue portion 122a is formed on the side surface of the lower layer plate 122 of the top wall 120 facing the first side wall 111 of the U-shaped body 110, a socket groove 103 is formed on the first side wall 111 of the U-shaped body 110, and the tongue portion 122a engages with the socket groove 103 to fix the lower layer plate 122 of the top wall 120.

[0042] As Figures 1 to 7 shown, in the illustrated embodiment, the thickness of the top wall 120 of the connecting portion 10 is twice the wall thickness of the U-shaped body 110 of the connecting portion 10.

[0043] As Figures 1 to 7 shown, in the illustrated embodiment, the wire jack 101 has a front port and a rear port opposite to each other in its axial direction, and one end of the wire is inserted into the wire jack 101 from the rear port. The connecting portion 10 further includes a limiting baffle 123, and the limiting baffle 123 covers the front port of the wire jack 101 and is used to abut against the end surface of one end of the wire inserted into the wire jack 101 to axially position the wire.

[0044] As Figures 1 to 7 shown, in the illustrated embodiment, the limiting baffle 123 is connected to the front end of the lower layer plate 122 of the top wall 120 and is vertically bent downward relative to the lower layer plate 122 of the top wall 120 into the front port of the wire jack 101.

[0045] As Figures 1 to 7 shown, in the illustrated embodiment, the rear end of the mating portion 13 is connected to the bottom of the front end of the U-shaped body 110 of the connecting portion 10.

[0046] As Figures 1 to 7 shown, in the illustrated embodiment, the mating portion 13 is cylindrical and its wall thickness is less than the wall thickness of the connecting portion 10. The mating portion 13 is used for electrical contact with the mating terminal inserted therein.

[0047] As Figures 1 to 7 shown, in the illustrated embodiment, the thickness of the top wall 120 of the connecting portion 10 is twice the wall thickness of the U-shaped body 110 of the connecting portion 10, and the wall thickness of the U-shaped body 110 of the connecting portion 10 is not less than twice the wall thickness of the mating portion 13.

[0048] As Figures 1 to 7 shown, in the illustrated embodiment, the metal plate has a first plate portion for forming the mating portion 13 and a second plate portion for forming the connecting portion 10. The thickness of the first plate portion is less than the thickness of the second plate portion, so that the wall thickness of the mating portion 13 is less than the wall thickness of the connecting portion 10.

[0049] As Figures 1 to 7 shown, in the illustrated embodiment, a noble metal plating layer (not shown) is formed on the inner peripheral surface of the mating portion 13. The noble metal plating layer is used for electrical contact with the inserted mating terminal to improve the electrical contact performance.

[0050] As Figures 1 to 7 shown, in the illustrated embodiment, the noble metal plating layer is electroplated on the first plate portion of the metal plate before the first plate portion of the metal plate is bent into a cylindrical shape.

[0051] As Figures 1 to 7 shown, in the illustrated embodiment, a locking spring piece 131 is formed on the mating portion 13. The locking spring piece 131 extends obliquely outward and is used for locking into the terminal jack 21 of the terminal holder 2 to lock the connector terminal 1 in the terminal jack 21 of the terminal holder 2.

[0052] As Figures 1 to 7 shown, in another exemplary embodiment of the present invention, an electrical connection module is also disclosed. The electrical connection module includes: a terminal holder 2 and a connector terminal 1. The terminal holder 2 is formed with a terminal jack 21. The connector terminal 1 is inserted into the terminal jack 21 of the terminal holder 2.

[0053] As Figures 1 to 7 shown, in the illustrated embodiment, a plurality of terminal jacks 21 are formed in the terminal holder 2. The electrical connection module includes a plurality of connector terminals 1, and the plurality of connector terminals are respectively inserted into the plurality of terminal jacks 21.

[0054] As Figures 1 to 7As shown, in another exemplary embodiment of the present utility model, a connector is further disclosed. The connector includes: an electrical connection module, a shielding case (not shown), a first nut (not shown), a second nut (not shown), and a wave spring (not shown). The shielding case is sleeved on the terminal holder 2. The first nut is sleeved on the terminal holder 2 and is threadedly connected to one end of the shielding case. The second nut is sleeved on the terminal holder 2 and is axially opposite to the first nut, and is used for being threadedly connected to a mating nut of a mating connector. The wave spring is axially compressed between the first nut and the second nut to axially electrically connect the first nut and the second nut.

[0055] Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can make improvements thereto. 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 utility model.

[0056] Although the present utility model 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 utility model, and should not be construed as a limitation of the present utility model.

[0057] Although some embodiments of the general concept of the present utility model 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 utility model. The scope of the present utility model is defined by the claims and their equivalents.

[0058] It should be noted that the term "including" does not exclude other elements or steps, and the terms "a" or "an" do not exclude a plurality. Additionally, any element label in the claims should not be construed as limiting the scope of the present utility model.

Claims

1. A connector terminal, characterized in that: include: A mating portion (13) used for mating with a mating terminal of a mating connector; and The connecting portion (10) is connected to the rear end of the mating portion (13) and is used for electrically connecting to the wire. The connecting portion (10) has a wire insertion hole (101) for allowing one end of the wire to be inserted, and a threaded hole (102) communicating with the wire insertion hole (101) is formed on the top wall (120) of the connecting portion (10) so that one end of the wire can be fastened in the connecting portion (10) by a screw screwed into the threaded hole (102). The connector terminal (1) is an integral stamped terminal made by stamping a single metal plate, and the top wall (120) of the connecting portion (10) includes two layers of plates stacked together, so that the top wall (120) of the connecting portion (10) has a double layer structure to increase the mechanical strength of the top wall (120) of the connecting portion (10).

2. The connector terminal according to claim 1, characterized in that: The top wall (120) of the connecting portion (10) comprises an upper plate (121) and a lower plate (122) stacked up and down, and the upper plate (121) and the lower plate (122) are welded together.

3. The connector terminal according to claim 2, characterized in that: The connecting portion (10) has a U-shaped body (110), the U-shaped body (110) has a first side wall (111) and a second side wall (112) spaced apart from each other, the upper plate (121) of the top wall (120) is connected to the upper side of the first side wall (111) of the U-shaped body (110), and the lower plate (122) of the top wall (120) is connected to the upper side of the second side wall (112) of the U-shaped body (110).

4. The connector terminal according to claim 3, characterized in that: A tongue portion (122a) is formed on the side of the lower plate (122) of the top wall (120) facing the first side wall (111) of the U-shaped body (110), and an insertion groove (103) is formed on the first side wall (111) of the U-shaped body (110), and the tongue portion (122a) is engaged with the insertion groove (103) to fix the lower plate (122) of the top wall (120).

5. The connector terminal according to claim 3, characterized in that: The thickness of the top wall (120) of the connecting portion (10) is twice the wall thickness of the U-shaped body (110) of the connecting portion (10).

6. The connector terminal according to claim 3, characterized in that: The wire insertion hole (101) has a front port and a rear port which are opposite to each other in the axial direction, and one end of the wire is inserted into the wire insertion hole (101) from the rear port; The connecting portion (10) further comprises a limiting baffle (123), which covers the front port of the wire insertion hole (101) and is used to abut against the end surface of one end of the wire inserted into the wire insertion hole (101) to axially position the wire.

7. The connector terminal according to claim 6, characterized in that: The limit baffle (123) is connected to the front end of the lower plate (122) of the top wall (120) and is vertically bent downward relative to the lower plate (122) of the top wall (120) into the front port of the wire insertion hole (101).

8. The connector terminal according to claim 3, characterized in that: The rear end of the matching portion (13) is connected to the bottom of the front end of the U-shaped body (110) of the connecting portion (10).

9. The connector terminal according to any one of claims 1 to 8, characterized in that: The mating portion (13) is cylindrical and has a wall thickness that is smaller than that of the connecting portion (10). The mating portion (13) is used to electrically contact a mating terminal inserted therein.

10. The connector terminal according to claim 9, characterized in that: The thickness of the top wall (120) of the connecting portion (10) is twice the wall thickness of the U-shaped body (110) of the connecting portion (10), and the wall thickness of the U-shaped body (110) of the connecting portion (10) is not less than twice the wall thickness of the matching portion (13).

11. The connector terminal according to claim 9, characterized in that: The metal plate comprises a first plate portion for forming the mating portion (13) and a second plate portion for forming the connecting portion (10), the thickness of the first plate portion being smaller than the thickness of the second plate portion, so that the wall thickness of the mating portion (13) is smaller than the wall thickness of the connecting portion (10).

12. The connector terminal according to claim 11, characterized in that: A noble metal plating layer is formed on the inner peripheral surface of the mating portion (13), and the noble metal plating layer is used for electrically contacting the inserted mating terminal to improve the electrical contact performance.

13. The connector terminal according to claim 12, characterized in that: The noble metal plating layer is electroplated on the first plate portion of the metal plate before the first plate portion of the metal plate is bent into a cylindrical shape.

14. The connector terminal according to claim 9, characterized in that: A locking spring (131) is formed on the mating portion (13), and the locking spring (131) extends outwardly at an angle and is used to lock into the terminal insertion hole (21) of the terminal retaining body (2), so as to lock the connector terminal (1) in the terminal insertion hole (21) of the terminal retaining body (2).

15. An electrical connection module, characterized in that: include: A terminal retaining body (2) formed with a terminal insertion hole (21); and The connector terminal (1) according to any one of claims 1 to 14 is inserted into the terminal insertion hole (21) of the terminal holding body (2).

16. The electrical connection module according to claim 15, characterized in that: A plurality of terminal insertion holes (21) are formed in the terminal holding body (2), and the electrical connection module includes a plurality of connector terminals (1), and the plurality of connector terminals are respectively inserted into the plurality of terminal insertion holes (21).

17. A connector, characterized in that: include: The electrical connection module according to claim 15 or 16; A shielding shell, sleeved on the terminal retaining body (2); A first nut, which is sleeved on the terminal retaining body (2) and is threadedly connected to one end of the shielding shell; A second nut, which is sleeved on the terminal retaining body (2) and axially opposite to the first nut, and is used for being threadedly connected to a mating nut of a mating connector; and A wave spring is axially compressed between the first nut and the second nut to axially electrically connect the first nut and the second nut.

Images