R / A board end large-current connector

Abstract

The utility model discloses an R / A board end large current connector, belonging to the connector technology field, the R / A board end large current connector comprises a connector housing, the connector housing is internally provided with a high power terminal, a signal terminal and a low power terminal, wherein the high-power terminal is provided with a high-power terminal boss and a high-power terminal clamping point; the plastic body of the signal terminal is provided with a retaining elastic force arm and a positioning boss. The low-power terminal is provided with a low-power terminal boss and a low-power terminal clamping point. According to the utility model, stable installation and accurate positioning of the high-power terminals, the signal terminals and the low-power terminals are realized, and the terminal bosses, the terminal clamping points and the elastic force arms are matched with the connector shell, so that the retention force of the high-power terminals, the signal terminals and the low-power terminals in the connector shell is improved; and the service life of the board-end large-current connector is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of connectors, and in particular relates to an R / A board-end high-current connector. Background Art

[0002] A high-current board-side connector is a connector designed for transmitting signals and high currents. It is widely used in industrial environments and electronic equipment that require high-power transmission. As the name suggests, a high-current board-side connector refers to a connector used to connect circuit boards (board ends) and can withstand high current transmission.

[0003] In actual use, the existing board-end high-current connector includes high-power terminals, signal terminals and low-power terminals. When the above three terminals are used in the connector, there is usually a problem of insufficient retention force, which affects the normal use of the board-end high-current connector. Utility Model Content

[0004] The utility model overcomes the deficiencies of the prior art and provides an R / A board-end high-current connector to solve the problems existing in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: an R / A board end high current connector, comprising

[0006] A connector housing is provided with high-power terminals, signal terminals, and low-power terminals, wherein:

[0007] The high-power terminal is provided with a high-power terminal boss and a high-power terminal clamping point. The high-power terminal boss cooperates with the positioning groove on the connector housing to prevent the high-power terminal from rotating relative to the connector housing when an external force acts on it. The high-power terminal clamping point and the connector housing are in an interference fit to provide a holding force between the high-power terminal and the connector housing. The high-power terminal elastic force arm cooperates with the anti-retraction groove on the connector housing to prevent the high-power terminal from being pinned out relative to the connector housing when an external force acts on it.

[0008] The plastic body of the signal terminal is provided with a resilient arm and a positioning boss. The resilient arm prevents the signal terminal from being retracted from the connector housing, and the positioning boss prevents the signal terminal from rotating in the housing when subjected to external force.

[0009] The low-power terminal is provided with a low-power terminal boss and a low-power terminal clamping point. The low-power terminal boss and the low-power terminal clamping point are both in interference fit with the connector housing to provide a retaining force between the low-power terminal and the connector housing.

[0010] In a preferred embodiment of the present invention, a first card slot, a second card slot and a third card slot are provided on the connector housing, the high-power terminal is installed in the first card slot, the signal terminal is installed in the second card slot, and the low-power terminal is installed in the third card slot.

[0011] In a preferred embodiment of the present invention, a high-power terminal elastic force arm is also provided on the high-power terminal, and the high-power terminal elastic force arm cooperates with the anti-retraction groove on the connector shell to provide a retaining force between the high-power terminal and the connector shell.

[0012] In a preferred embodiment of the present invention, a guiding groove is provided in the first slot to prevent the elastic force arm of the high-power terminal from becoming fatigued when the high-power terminal is interference-fitted with the connector housing.

[0013] In a preferred embodiment of the present invention, a positioning convex rib is provided in the second slot, and the signal terminal and the positioning convex rib are in interference fit to provide a retaining force between the signal terminal and the connector housing.

[0014] In a preferred embodiment of the present invention, there are multiple third slots and they are evenly spaced apart in the connector housing.

[0015] In a preferred embodiment of the present invention, a lateral positioning boss is further provided on the low-power terminal.

[0016] In a preferred embodiment of the present invention, a PCB board is further included, and the R / A board-end high-current connector is welded on the PCB board to achieve signal and current control.

[0017] In a preferred embodiment of the present invention, a creepage distance groove is provided on the connector housing to meet the electrical performance requirements of the low-power terminal for high voltage resistance.

[0018] The present invention solves the defects in the background technology and has the following beneficial effects:

[0019] The board-end high-current connector of the utility model realizes stable installation and precise positioning of high-power terminals, signal terminals and low-power terminals. The terminal bosses, terminal clamping points and elastic force arms cooperate with the connector housing, thereby improving the retention force of the high-power terminals, signal terminals and low-power terminals in the connector housing, thereby avoiding damage to the board-end high-current connector during actual use and increasing the service life of the board-end high-current connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0021] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of the present utility model;

[0022] Figure 2 This is another overall structural diagram of a preferred embodiment of the utility model;

[0023] Figure 3 This is a structural diagram of a connector housing according to a preferred embodiment of the present utility model;

[0024] Figure 4 This is a schematic structural diagram of a high-power terminal according to a preferred embodiment of the present utility model;

[0025] Figure 5 This is a schematic structural diagram of a signal terminal in a preferred embodiment of the present utility model;

[0026] Figure 6 This is a schematic structural diagram of a low-power terminal according to a preferred embodiment of the present utility model;

[0027] In the figure: 10, connector housing; 101, first card slot; 102, second card slot; 103, third card slot; 11, high-power terminal; 111, high-power terminal boss; 112, high-power terminal clamping point; 113, high-power terminal elastic force arm; 12, signal terminal; 121, anti-retraction elastic force arm; 122, positioning boss; 13, low-power terminal; 131, low-power terminal boss; 132, low-power terminal clamping point; 20, guide groove; 30, positioning rib; 40, anti-retraction card slot; 50, positioning groove; 60, PCB board; 70, creepage distance groove; 80, signal terminal positioning groove. DETAILED DESCRIPTION

[0028] The following diagrams illustrate various embodiments of the present invention. For clarity, many physical details will be included in the following description. However, it should be understood that these physical details are not intended to limit the present invention. In other words, in some embodiments of the present invention, these physical details are not essential. Furthermore, to simplify the drawings, some commonly used structures and components are depicted in simplified schematic form.

[0029] In addition, in the present invention, descriptions such as "first" and "second" are only used for descriptive purposes and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0030] This embodiment provides an R / A board-end high-current connector, which realizes stable installation and precise positioning of the high-power terminal 11, the signal terminal 12 and the low-power terminal 13. The terminal boss, the terminal clamping point and the elastic force arm cooperate with the connector housing 10, thereby improving the retention force of the high-power terminal 11, the signal terminal 12 and the low-power terminal 13 in the connector housing 10, thereby avoiding damage to the board-end high-current connector during actual use and improving the service life of the board-end high-current connector.

[0031] Combine Figures 1 to 6 As shown, the R / A board-end high-current connector of this embodiment includes a connector housing 10, a high-power terminal 11, a signal terminal 12 and a low-power terminal 13. The high-power terminal 11, the signal terminal 12 and the low-power terminal 13 are stably and accurately installed in the connector housing 10 to form a board-end high-current connector.

[0032] In this embodiment, a PCB board 60 is further included, and a high-current connector at the R / A board end is welded on the PCB board 60 to achieve signal and current control.

[0033] Specifically, the connector housing 10 of this embodiment is provided with a first card slot 101, a second card slot 102 and a third card slot 103, the high-power terminal 11 is installed in the first card slot 101, the signal terminal 12 is installed in the second card slot 102, and the low-power terminal 13 is installed in the third card slot 103.

[0034] Combine Figure 3 and Figure 4As shown, the high-power terminal 11 of this embodiment is provided with a high-power terminal 11 boss and a high-power terminal 11 clamping point. The high-power terminal 11 boss cooperates with the positioning groove 50 on the connector housing 10 to prevent the high-power terminal 11 from rotating relative to the connector housing 10 when an external force is applied. The high-power terminal 11 clamping point is in an interference fit with the connector housing 10 to provide a retaining force between the high-power terminal 11 and the connector housing 10.

[0035] In this embodiment, a high-power terminal 11 is also provided with an elastic force arm of the high-power terminal 11, which cooperates with the anti-retraction slot 40 on the connector housing 10 to provide a retaining force between the high-power terminal 11 and the connector housing 10. A guide groove 20 is provided in the first slot 101 to avoid fatigue of the elastic force arm of the high-power terminal 11 when the high-power terminal 11 is interference fit with the connector housing 10.

[0036] Combine Figure 3 and Figure 5 As shown, the plastic body of the signal terminal 12 of this embodiment is provided with a retaining elastic force arm 121 and a positioning boss 122. The retaining elastic force arm 121 limits the signal terminal 12 from being retracted in the connector housing 10, and the positioning boss 122 limits the signal terminal 12 from rotating in the housing when subjected to external force. A positioning convex rib 30 is provided in the second card slot 102, and the signal terminal 12 and the positioning convex rib 30 are in an interference fit to provide a holding force between the signal terminal 12 and the connector housing 10. At the same time, the positioning boss 122 is provided on the plastic body of the signal terminal 12 to cooperate with the connector groove 80 corresponding to the connector housing 10 to limit the signal terminal 12 from rotating in the connector housing 10 when subjected to external force.

[0037] Combine Figure 3 and Figure 6 As shown, the low-power terminal 13 of this embodiment is provided with a low-power terminal boss 131 and a low-power terminal clamping point 132. The low-power terminal boss 131 and the low-power terminal clamping point 132 are both in interference fit with the connector housing 10 to provide a retaining force between the low-power terminal 13 and the connector housing 10.

[0038] In this embodiment, a lateral positioning boss is further provided on the low-power terminal 13 , and the lateral positioning boss can effectively prevent the low-power terminal 13 from being installed incorrectly.

[0039] In this embodiment, there are multiple third slots 103 and they are evenly spaced in the connector housing 10. A creepage distance groove 70 is hollowed out at the bottom of the connector housing 10 to increase the creepage distance between adjacent terminals, so that the adjacent low-power terminals 13 can meet the creepage distance corresponding to the rated voltage and meet the electrical performance requirements of the low-power terminals 13 when in use.

[0040] Although the present invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the present invention. That is, the methods, systems, or devices discussed above are all examples. Various configurations may omit, replace, or add various processes or components as appropriate. For example, in an alternative configuration, the method may be performed in an order different from that described, and / or various stages may be added, omitted, and / or combined. Moreover, the features described with respect to certain configurations may be combined in various other configurations. Different aspects and elements of the configurations may be combined in a similar manner. In addition, as technology develops, many elements are merely examples and do not limit the scope of this disclosure or the claims.

[0041] Specific details are given in the specification to provide a thorough understanding of the exemplary configurations including implementations. However, the configurations can be practiced without these specific details. For example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail to avoid obscuring the configurations. This description provides only example configurations and does not limit the scope, applicability, or configurations of the claims. On the contrary, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made to the functions and arrangements of the elements without departing from the spirit or scope of this disclosure.

[0042] Furthermore, although each operation may be described as a sequential process, many operations may be performed in parallel or simultaneously. Furthermore, the order of the operations may be rearranged. A process may have additional steps. Furthermore, examples of the methods may be implemented in hardware, software, firmware, middleware, code, hardware description languages, or any combination thereof. When implemented in software, firmware, middleware, or code, the program code or code segments for performing the necessary tasks may be stored in a non-transitory computer-readable medium such as a storage medium, and the described tasks may be performed by a processor.

[0043] In summary, it is intended that the above detailed description be considered illustrative rather than restrictive, and it should be understood that the claims (including all equivalents) are intended to define the spirit and scope of the present invention. The above embodiments should be understood as merely illustrating the present invention and not to limit the scope of protection of the present invention. After reading the contents of the present invention, technicians can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope defined by the claims of the present invention.

Claims

1. An R / A board-end high current connector, characterized in that: include A connector housing (10) is provided with a high-power terminal (11), a signal terminal (12) and a low-power terminal (13), wherein: The high-power terminal (11) is provided with a high-power terminal boss (111) and a high-power terminal clamping point (112); the high-power terminal boss (111) cooperates with the positioning groove (50) on the connector housing (10) to prevent the high-power terminal (11) from rotating relative to the connector housing (10) when an external force acts on it; the high-power terminal clamping point (112) and the connector housing (10) are in an interference fit to provide a retaining force between the high-power terminal (11) and the connector housing (10); the high-power terminal elastic force arm (113) cooperates with the anti-retraction clamping groove (40) on the connector housing (10) to prevent the high-power terminal (11) from being pulled out relative to the connector housing (10) when an external force acts on it; The plastic body of the signal terminal (12) is provided with a retractable elastic force arm (121) and a positioning boss (122), wherein the retractable elastic force arm (121) limits the signal terminal (12) from being retracted in the connector housing (10), and the positioning boss (122) limits the signal terminal (12) from rotating in the housing (10) when an external force is applied. The low-power terminal (13) is provided with a low-power terminal boss (131) and a low-power terminal clamping point (132), and the low-power terminal boss (131) and the low-power terminal clamping point (132) are both in interference fit with the connector housing (10) to provide a retaining force between the low-power terminal (13) and the connector housing (10).

2. The R / A board-end high-current connector according to claim 1, characterized in that: The connector housing (10) is provided with a first card slot (101), a second card slot (102) and a third card slot (103); the high-power terminal (11) is installed in the first card slot (101), the signal terminal (12) is installed in the second card slot (102), and the low-power terminal (13) is installed in the third card slot (103).

3. The R / A board-end high-current connector according to claim 2, characterized in that: The high-power terminal (11) is also provided with a high-power terminal elastic force arm (113), and the high-power terminal elastic force arm (113) cooperates with the anti-retraction groove (40) on the connector housing (10) to provide a retaining force between the high-power terminal (11) and the connector housing (10).

4. The R / A board-end high-current connector according to claim 3, characterized in that: A guiding groove (20) is provided in the first clamping slot (101) to prevent fatigue of the high-power terminal elastic force arm (113) when the high-power terminal (11) is interference-fitted with the connector housing (10).

5. The R / A board-end high-current connector according to claim 2, characterized in that: A positioning convex rib (30) is provided in the second card slot (102), and the signal terminal (12) and the positioning convex rib (30) are in interference fit to provide a retaining force between the signal terminal (12) and the connector housing (10).

6. The R / A board-end high-current connector according to claim 2, characterized in that: There are a plurality of third card slots (103) which are distributed at equal intervals in the connector housing (10).

7. The R / A board-end high-current connector according to claim 1, characterized in that: The low-power terminal (13) is also provided with a lateral positioning boss.

8. The R / A board-end high-current connector according to claim 1, characterized in that: It also includes a PCB board (60), on which the R / A board end high current connector is welded to achieve signal and current control.

9. The R / A board-end high-current connector according to claim 1, characterized in that: The connector housing (10) is provided with a creepage distance groove (70) to meet the electrical performance requirements of the low-power terminal (13) for high voltage resistance.

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