Connector terminal

Abstract

The utility model relates to the field of automobile electrical connection equipment, and discloses a connector terminal, which comprises a shell and a terminal main body arranged in the shell, the terminal main body comprises a first connecting end and a second connecting end, the first connecting end is used for being in plug-in connection with a female terminal, and the second connecting end is used for being fixedly connected with an automobile end copper bar; the first connecting end is perpendicular to the second connecting end, the second connecting end is provided with a first mounting hole used for connecting and fixing a vehicle end copper bar, and the projection of the first mounting hole and the projection of the first connecting end on the second connecting end coincide; the terminal main body is integrally formed by punching a plate; according to the utility model, the positions of the first connecting end, the second connecting end and the first mounting hole are specially arranged, so that the connection between the vehicle end copper bar and the terminal main body does not need to reserve a larger mounting space in the width direction, and the mounting space between the vehicle end copper bar and the connector can be narrower; and therefore, the punch-formed low-cost connector terminal can meet the connection requirement in a narrow space.

Description

Technical Field

[0001] The utility model relates to the field of automobile electrical connection equipment, in particular to a connector terminal. Background Art

[0002] The replacement of new energy vehicle-related technologies is becoming faster and faster, and more and more technical difficulties are encountered. Among them, the design cost of automotive connectors is a core key factor that determines whether the product has strong market competitiveness.

[0003] At present, most of the core components of vehicle-mounted connectors are machined milling workpieces or die stamping and bending parts, but the above two types of connectors still have many problems facing the current usage needs. The machined milling parts have high precision and strong structural plasticity. They can realize the multi-directional and multi-angle compatibility of the terminal plug-in structure with the vehicle-end copper busbar or cable terminal, and can also meet various processes of terminal assembly, including riveting, hooking or injection molding, etc. However, the amount of processing blank materials required for machined milling parts is large, the material utilization rate is low, and the terminal manufacturing cost is expensive; while the stamping and bending terminals have low manufacturing costs, but the structural design plasticity is poor, and the connecting parts at both ends of the terminals in the existing connector terminals are often vertical. In the case of a relatively compact structure, it often cannot meet the usage requirements, especially for the connection requirements when the vehicle-end copper busbar or cable terminal is perpendicular to the connector flange direction, and the center axis of the screw hole coincides with the sheet terminal. Utility Model Content

[0004] The technical problem to be solved by the utility model is: how to meet the connection requirements in a narrow space with a low cost at a connector terminal. In order to solve the above technical problem, the utility model provides a connector terminal, including a shell and a terminal body arranged in the shell, the terminal body including a first connection end and a second connection end, the first connection end is used for plugging and connecting with a female terminal, and the second connection end is used for fixed connection with a vehicle-end copper busbar;

[0005] The first connection end is perpendicular to the second connection end, the second connection end is provided with a first mounting hole for connecting and fixing the vehicle-end copper busbar, and the first mounting hole coincides with the projection of the first connection end on the second connection end;

[0006] The terminal body is integrally stamped and formed from a plate.

[0007] Preferably, the terminal body further includes a connecting portion, the cross section of the connecting portion is U-shaped, and two ends of the connecting portion are respectively connected to the first connecting end and the second connecting end.

[0008] Preferably, the width of the first connecting end is smaller than the width of the connecting portion, so as to form a limiting step at the connection between the first connecting end and the connecting portion.

[0009] Preferably, it further comprises a plurality of connecting members arranged corresponding to the first mounting holes, wherein the connecting members are provided with threaded holes coaxial with the first mounting holes, and the connecting members are fixedly connected to the vehicle-end copper busbar via the threaded holes and bolts.

[0010] Preferably, a pressing piece is provided at one end of the connector away from the terminal body, the end of the pressing piece away from the terminal body abuts against the vehicle-end copper busbar, and the pressing piece is provided with a plurality of second mounting holes corresponding to the plurality of connectors.

[0011] Preferably, two ends of the connecting member are riveted into the first mounting hole and the second mounting hole respectively.

[0012] Preferably, the housing is integrally injection-molded, and the terminal body, the connector, and a side of the pressing piece close to the terminal body are all plastic-sealed and fixed in the housing.

[0013] Preferably, an internal thread is provided in the first mounting hole, and the end face of the second connecting end away from the first connecting end abuts against the vehicle-mounted copper busbar; the shell is integrally injection molded, and the first connecting end, the connecting part and the side of the second connecting end close to the first connecting end are all plastic-sealed and fixed in the shell.

[0014] Preferably, the shell is provided with a first opening and a second opening on a side close to the first connection end, the first opening is perpendicular to the second opening, the direction of the first opening is the same as the extension direction of the axis of the first mounting hole, and the first opening is used for the first connection end to be plugged into and connected to the female terminal.

[0015] Compared with the prior art, a connector terminal provided in an embodiment of the utility model has the following beneficial effects: in the utility model, the terminal body is integrally stamped and formed by a plate, and is formed with a first connection end and a second connection end, wherein the first connection end and the second connection end are perpendicular to each other, and the projection position of the first connection end on the second connection end coincides with the position of the first mounting hole opened on the second connection end. The special setting of the position of the first mounting hole makes it no longer necessary to reserve a larger installation space in the width direction for the connection between the vehicle-end copper busbar and the terminal body, and the installation space between the vehicle-end copper busbar and the connector can be narrower, thereby enabling the low-cost connector terminal formed by stamping to meet the connection requirements of a small space. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional view of the utility model;

[0017] Figure 2 It is another three-dimensional view of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the terminal body, the connecting piece and the pressing piece of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the terminal body and the pressing piece of the utility model.

[0020] In the figure: 1, housing; 11, first opening; 12, second opening;

[0021] 2. Terminal body; 21. First connection end; 22. Second connection end; 221. First mounting hole; 23. Connection portion;

[0022] 3. Connector; 31. Threaded hole;

[0023] 4. Pressing piece; 41. Second mounting hole. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0025] like Figures 1 to 4 As shown, a preferred embodiment of the utility model provides a connector terminal, which includes a housing 1 and a terminal body 2 arranged in the housing 1, the terminal body 2 includes a first connection end 21 and a second connection end 22, the first connection end 21 is used for plugging and connecting with the female terminal, and the second connection end 22 is used for fixed connection with the vehicle end copper busbar;

[0026] The first connection end 21 is perpendicular to the second connection end 22. The second connection end 22 is provided with a first mounting hole 221 for connecting and fixing the vehicle-end copper busbar.

[0027] The projections on the second connection end 22 coincide with each other;

[0028] The terminal body 2 is integrally formed by stamping a plate.

[0029] Specifically, among conventional connector terminals, machined terminals often require the use of larger processing blanks, which are more expensive, while generally stamped terminals are often simply bent, which takes up a large space and often cannot be well connected to the vehicle-end copper busbar in a narrow installation environment. In this embodiment, the terminal body 2 is formed by stamping a plate in one piece, which can avoid material loss caused by machining and reduce production costs. On the other hand, through the position and bending state of the specially set first mounting hole 221, the bolt can be closer to the terminal body 2 in the horizontal direction when the connector is connected to the vehicle-end copper busbar, which reduces the width of the connector and the volume of the connector. Naturally, the installation space required for the connector to connect to the vehicle-end copper busbar is smaller, which is more suitable for installation and use in narrow environments.

[0030] In some embodiments, the terminal body 2 further includes a connecting portion 23 . The cross section of the connecting portion 23 is U-shaped, and two ends of the connecting portion 23 are respectively connected to the first connecting end 21 and the second connecting end 22 .

[0031] Specifically, the connecting portion 23, the first connecting end 21 and the second connecting end 22 are integrally stamped and formed, one end of the connecting portion 23 extends and is connected to the second connecting end 22, and the other end of the connecting portion 23 is also provided with a bend at the connection with the first connecting end 21, so as to adjust the orientation of the first connecting end 21 so that the first connecting end 21 is perpendicular to the second connecting end 22; in addition, the connecting portion 23 is U-shaped, and a cavity is formed in the middle, so that when the second connecting end 22 is connected to the vehicle-end copper busbar, after the bolt passes through the first mounting hole 221, there is no obstruction at the end, which facilitates the installation of the vehicle-end copper busbar and the terminal body 2. As for the straight-line distance between the two ends of the connecting portion 23, it can be adaptively selected according to the actual production and installation needs.

[0032] In some embodiments, the width of the first connection end 21 is smaller than the width of the connection portion 23 , so as to form a limiting step at the connection between the first connection end 21 and the connection portion 23 .

[0033] Specifically, the width of the connecting portion 23 is consistent with the width of the second connecting end 22, while the width of the first connecting end 21 is smaller than the width of the connecting portion 23. The setting of the limiting step can make the position of the terminal body 2 in the shell 1 more stable, avoiding the problem of the terminal body 2 becoming loose in the shell 1. Since the first connecting end 21 is plugged into the female terminal and the side contact area with the female terminal is large enough, there is no need to worry about the problem of insufficient overcurrent area, so its width can be smaller to save material costs. The second connecting end 22 and the connecting portion 23 need to be wider than the first connecting end 21 to provide a larger overcurrent area, so its width is larger than the width of the first connecting end 21.

[0034] In some embodiments, a plurality of connectors 3 are provided corresponding to the first mounting holes 221. The connectors 3 are provided with threaded holes 31 coaxial with the first mounting holes 221. The connectors 3 are fixedly connected to the vehicle-end copper busbars via the threaded holes 31 and bolts.

[0035] Furthermore, a pressing piece 4 is provided at one end of the connector 3 away from the terminal body 2 , and the pressing piece 4 abuts against the vehicle-end copper busbar at one end away from the terminal body 2 . The pressing piece 4 is provided with a plurality of second mounting holes 41 corresponding to the plurality of connectors 3 .

[0036] Furthermore, two ends of the connecting member 3 are riveted into the first mounting hole 221 and the second mounting hole 41 respectively.

[0037] Specifically, the connector 3 is cylindrical as a whole, with a threaded hole 31 in the middle and mounting ends at both ends. The diameter of the mounting end is smaller than the diameter of the main body of the connector 3 in the middle, and the diameter of the mounting ends on both sides is slightly larger than the diameter of the first mounting hole 221 and the second mounting hole 41. The connector 3 is riveted in the first mounting hole 221 and the second mounting hole 41 through the mounting ends on both sides to achieve a stable connection between the terminal body 2 and the pressing piece 4. Among them, since the threaded column and the vehicle-end copper busbar are in contact with insufficient overcurrent area, an additional pressing piece 4 is required. The pressing piece 4 can contact the vehicle-end copper busbar to increase the overcurrent area, avoid the connection between the vehicle-end copper busbar and the terminal body 2 due to the small overcurrent area at the local position, resulting in excessive temperature increase and other problems, thereby ensuring the safe use of the connector terminal.

[0038] In some embodiments, the housing 1 is integrally injection molded, and the terminal body 2 , the connector 3 , and the pressing piece 4 on one side close to the terminal body 2 are all plastic-sealed and fixed in the housing 1 .

[0039] Specifically, the terminal body 2 after stamping is directly molded in the injection mold of the shell 1, which not only makes the connection between the terminal body 2 and the shell 1 tighter and more stable, but also can achieve a better waterproof sealing effect, ensure the safety of the connector during use, and prevent water vapor from invading the electrical equipment in the car. Furthermore, in the actual injection molding process, the terminal body 2, the connector 3 and the pressing piece 4 are first connected together, and then the whole is set inside the shell 1. After the shell 1 is injection molded, the terminal body 2, the entire connector 3 and the end of the pressing piece 4 are fixed inside the shell 1, which further improves the position of the terminal body 2, the connector 3 and the pressing piece 4 and the stability of the connection, especially the pressing piece 4 is no longer prone to loosening and falling.

[0040] In some embodiments, an internal thread is provided in the first mounting hole 221, and the end surface of the second connection end 22 away from the first connection end 21 abuts against the vehicle-mounted copper busbar; the outer shell 1 is integrally injection molded, and the first connection end 21, the connecting portion 23 and the side of the second connection end 22 close to the first connection end 21 are all plastic-sealed and fixed in the outer shell 1.

[0041] Specifically, unlike the embodiment in which the connector 3 is provided, in this embodiment, the connector 3 is not provided. Instead, during the injection molding process of the shell 1, the end face of the second connection end 22 away from the first connection end 21 is directly reserved on the outside of the shell 1, and an internal thread is directly processed in the first mounting hole 221. After the bolt passes through the vehicle-end copper bar, it is directly threadedly connected to the first mounting hole 221. At the same time, the vehicle-end copper bar is abutted against the second connection end 22, so that the vehicle-end copper bar is in direct contact with the second connection end 22 to increase the overcurrent area.

[0042] In some embodiments, the housing 1 is provided with a first opening 11 and a second opening 12 on one side close to the first connection end 21, the first opening 11 is perpendicular to the second opening 12, the direction of the first opening 11 is the same as the extension direction of the axis of the first mounting hole 221, and the first opening 11 is used for plugging and connecting the first connection end 21 with the female terminal.

[0043] Specifically, the first opening 11 and the second opening 12 of the housing 1 can be adapted to different plugging directions and can also adapt to different plugging methods of female terminal plugs, thereby expanding the use range of the connector and making the use of the connector more convenient.

[0044] In summary, the embodiment of the utility model provides a connector terminal, which forms a terminal body 2 by special stamping of a plate material so that the position of the first mounting hole 221 on the terminal body 2 coincides with the projection position of the first connection end 21 on the second connection end 22, so that the connector can be used in narrow and special installation environments to meet the installation requirements of special angles, with higher space utilization and lower production costs. The integrated injection molding of the terminal body 2 in the housing 1 not only reduces the cost, but also makes the position of the terminal body 2 more stable. One end of the pressing piece 4 is also fixed inside the housing 1, and the position is more stable and reliable.

[0045] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A connector terminal, characterized in that: It comprises a shell and a terminal body arranged in the shell, the terminal body comprises a first connection end and a second connection end, the first connection end is used for plugging and connecting with the female terminal, and the second connection end is used for fixed connection with the vehicle-end copper busbar; The first connection end is perpendicular to the second connection end, the second connection end is provided with a first mounting hole for connecting and fixing the vehicle-end copper busbar, and the first mounting hole coincides with the projection of the first connection end on the second connection end; The terminal body is integrally stamped and formed from a plate.

2. The connector terminal according to claim 1, characterized in that: The terminal body further includes a connecting portion, the cross section of the connecting portion is U-shaped, and two ends of the connecting portion are respectively connected to the first connecting end and the second connecting end.

3. The connector terminal according to claim 2, characterized in that: The width of the first connecting end is smaller than the width of the connecting portion, so as to form a limiting step at the connection between the first connecting end and the connecting portion.

4. The connector terminal according to claim 1, characterized in that: It also includes a plurality of connecting members arranged corresponding to the first mounting holes, wherein the connecting members are provided with threaded holes coaxial with the first mounting holes, and the connecting members are fixedly connected to the vehicle-end copper busbar via the threaded holes and bolts.

5. The connector terminal according to claim 4, characterized in that: A pressing piece is provided at one end of the connector away from the terminal body, and the end of the pressing piece away from the terminal body abuts against the vehicle-end copper busbar. The pressing piece is provided with a plurality of second mounting holes corresponding to the plurality of connectors.

6. The connector terminal according to claim 5, characterized in that: Two ends of the connecting member are riveted into the first mounting hole and the second mounting hole respectively.

7. The connector terminal according to claim 6, characterized in that: The shell is integrally injection molded, and the terminal body, the connecting piece, and a side of the pressing piece close to the terminal body are all plastic-sealed and fixed in the shell.

8. The connector terminal according to claim 3, characterized in that: An internal thread is provided in the first mounting hole, and the end face of the second connection end away from the first connection end is in contact with the vehicle-mounted copper busbar; the shell is integrally injection molded, and the first connection end, the connecting part and the side of the second connection end close to the first connection end are all plastic-sealed and fixed in the shell.

9. The connector terminal according to claim 1, characterized in that: The shell is provided with a first opening and a second opening on a side close to the first connection end, the first opening is perpendicular to the second opening, the direction of the first opening is the same as the extension direction of the axis of the first mounting hole, and the first opening is used for the first connection end to be plugged and connected to the female terminal.

Images