Power supply connector adopting terminal unequal-length design

Abstract

The utility model discloses a power supply connector adopting terminal unequal-length design, which comprises a connector seat body, a power supply terminal, a grounding terminal and a signal terminal, and is characterized in that the power supply terminal comprises a power supply terminal base body part, a power supply terminal butt joint square needle part and a power supply terminal welding foot square needle part; the grounding terminal comprises a grounding terminal base body part, a grounding terminal butt joint square needle part and a grounding terminal welding foot square needle part. The length of the grounding terminal butt joint square needle part in the grounding terminal pair socket is larger than the length of the power supply terminal butt joint square needle part in the power supply terminal pair socket. According to the utility model, the design of unequal lengths of the terminals is adopted, so that the grounding terminals are contacted firstly and then the power supply terminals are switched on when the male connector and the female connector are plugged oppositely, the undesirable phenomena such as sparks or burn-in when the male connector and the female connector are plugged oppositely can be avoided, and the safety performance of the connector is improved. In addition, the terminal of the utility model adopts a stamping PIN design, the size of the terminal is larger than that of a traditional square pin, the current-carrying capability of the terminal can be improved, and the heat dissipation effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to power connector technical field more specifically, it is a kind of power connector with unequal length design of terminal. BACKGROUND

[0002] Many electronic equipment on the market will be configured with power connector, such as patent application No. 2022101688653, a kind of auxiliary power connector with signal transmission function, it includes shell and terminal, terminal includes signal transmission terminal and power transmission terminal, power transmission terminal is divided into ground terminal and power supply terminal, it is respectively inserted in the cavity of shell, the power connector simultaneously has current transmission and signal transmission function. However, the ground terminal and power supply terminal of this power connector are equal in length in the cavity for the butt joint part of electrically conductive contact with the butt joint connector, so that the male and female connectors are inserted, easy to occur spark or appear burn machine and other adverse phenomena, reduce safety. SUMMARY

[0003] The utility model aims at overcoming the above-mentioned defects in the prior art, providing a kind of power connector with unequal length design of terminal, can avoid the male and female connectors are inserted, easy to occur spark or appear burn machine and other adverse phenomena, greatly improve the safety performance of connector.

[0004] To achieve the above object, the utility model provides a kind of power connector with unequal length design of terminal, including a connector seat body, a row of power terminals, a row of ground terminals and a row of signal terminals, the power terminal, ground terminal and signal terminal are respectively arranged and inserted in the corresponding terminal insertion hole of connector seat body, the ground terminal is located between power terminal and signal terminal, the power terminal includes power terminal base body part, power terminal butt joint square needle part and power terminal solder leg square needle part, the power terminal butt joint square needle part is connected in the head end of power terminal base body part, the power terminal solder leg square needle part is connected in the tail end of power terminal base body part, the power terminal butt joint square needle part is located in the power terminal pair insertion port of connector seat body, the ground terminal includes ground terminal base body part, ground terminal butt joint square needle part and ground terminal solder leg square needle part, the ground terminal butt joint square needle part is connected in the head end of ground terminal base body part, the ground terminal solder leg square needle part is connected in the tail end of ground terminal base body part, the ground terminal butt joint square needle part is located in the ground terminal pair insertion port of connector seat body, the length of ground terminal butt joint square needle part in ground terminal pair insertion port is greater than the length of power terminal butt joint square needle part in power terminal pair insertion port.

[0005] As preferred, the signal terminal comprises a signal terminal base part, a signal terminal butt square needle part and a signal terminal solder square needle part, the butt square needle part of the ground terminal is connected at the head end of the ground terminal base part, the solder square needle part of the ground terminal is connected at the tail end of the ground terminal base part, the signal terminal butt square needle part is located in the signal terminal butt square needle part of the connector base body, the length of the signal terminal butt square needle part in the signal terminal butt square needle part is greater than the length of the ground terminal butt square needle part in the ground terminal butt square needle part.

[0006] As preferred, the power terminal, the ground terminal and the signal terminal are punched respectively by metal material.

[0007] As preferred, the width of the power terminal base part is greater than the width of the power terminal butt square needle part and the width of the power terminal solder square needle part, the width of the ground terminal base part is greater than the width of the ground terminal butt square needle part and the width of the ground terminal solder square needle part, the ground terminal base part is parallel to the power terminal base part.

[0008] As preferred, the width of the signal terminal base part is greater than the width of the signal terminal butt square needle part and the width of the signal terminal solder square needle part, the signal terminal base part is parallel to the power terminal base part and the ground terminal base part.

[0009] As preferred, the power terminal base part is respectively provided with a power terminal barb part at both sides, the ground terminal base part is respectively provided with a ground terminal barb part at both sides, the signal terminal base part is respectively provided with a signal terminal barb part at both sides.

[0010] As preferred, the head end of the power terminal butt square needle part and the tail end of the power terminal solder square needle part are respectively provided with a four-cone structure, the head end of the ground terminal butt square needle part and the tail end of the ground terminal solder square needle part are respectively provided with a four-cone structure, the head end of the signal terminal butt square needle part and the tail end of the signal terminal solder square needle part are respectively provided with a four-cone structure.

[0011] As preferred, the head end of the power terminal base part, the head end of the ground terminal base part and the head end of the signal terminal base part form an outer eight cone structure.

[0012] As preferred, the adjacent two power terminal butt square needle parts on the connector base body are spaced apart, the adjacent two ground terminal butt square needle parts on the connector base body are spaced apart, the power terminal butt square needle parts and the ground terminal butt square needle parts on the connector base body are spaced apart or communicated.

[0013] As preferred, the power terminal pair socket corner and / or the ground terminal pair socket corner is provided with an inclined chamfer for preventing mistaken insertion.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The utility model discloses simple structure, reasonable in design, adopts unequal length design of terminal, and the length of ground terminal pair butt joint square needle part in ground terminal pair socket is greater than the length of power terminal pair butt joint square needle part in power terminal pair socket, so that when male and female two connectors are inserted, ground terminal is contacted first and then power terminal is connected, can avoid male and female two connectors when inserting, and the utility model discloses the phenomenon, such as spark or burning machine, greatly improve the safety performance of connector.

[0016] 2. The utility model discloses that power terminal and ground terminal all adopt stamping PIN design, and the width of the base body part of power terminal and ground terminal is greater than the width of butt joint square needle part and the width of welding leg square needle part, and the volume of this terminal is greater than the traditional four square needles, can greatly improve the current carrying capacity of terminal, and the heat dissipation effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawings needed to be used in the embodiment or prior art description simple introduction, obviously, the drawings in the following description is some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the structure schematic of power connector provided by the utility model embodiment Figure 1 ;

[0019] Figure 2 It is the structure schematic of power connector provided by the utility model embodiment Figure 2 ;

[0020] Figure 3 It is the sectional view of power connector provided by the utility model embodiment;

[0021] Figure 4 It is the exploded view of power connector provided by the utility model embodiment;

[0022] Figure 5 It is the structure schematic of power terminal provided by the utility model embodiment;

[0023] Figure 6 It is the structure schematic of ground terminal provided by the utility model embodiment;

[0024] Figure 7It is the structural schematic view of the signal terminal provided by the embodiment of the utility model.

[0025] Figure 8 It is the structural schematic view of the second power connector provided by the embodiment of the utility model.

[0026] Figure 9 It is the structural schematic view of the third power connector provided by the embodiment of the utility model. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be described clearly and completely in the following with reference to the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Please refer to Figure 1 , Figure 2 and Figure 3 The embodiment of the utility model provides a power connector with unequal length design of terminal, which comprises a connector seat body 1, a row of power terminals 2, a row of grounding terminals 3 and a row of signal terminals 4, the power terminals 2, the grounding terminals 3 and the signal terminals 4 are respectively arranged and inserted in the corresponding terminal insertion hole of the connector seat body 1, the grounding terminals 3 are located between the power terminals 2 and the signal terminals 4, and the following will be described in detail with reference to the drawings.

[0029] The connector seat body 1 can be made of insulating plastic material, as shown in Figure 1 The connector seat body 1 can be provided in square shape, as shown in Figure 8 In other embodiments, it can also be provided in T shape, of course, according to actual needs, it can also be provided in other shapes, not limited to the embodiment.

[0030] As shown in Figure 4 In addition to the terminal insertion hole for installing the terminal on the connector seat body 1, the power terminal pair insertion port 11, the grounding terminal pair insertion port 12 and the signal terminal pair insertion port 13 are also provided.

[0031] As shown in Figure 1 The adjacent two power terminal pair insertion ports 11 on the connector seat body 1 can be provided with mutual spacing, and the adjacent two grounding terminal pair insertion ports 12 on the connector seat body 1 can be provided with mutual spacing. In addition, the power terminal pair insertion port 11 and the grounding terminal pair insertion port 12 on the connector seat body 1 can also be provided with mutual spacing.

[0032] AsFigure 9 In other embodiments, the power terminal pair socket 11 and the ground terminal pair socket 12 on the connector housing 1 can also be in communication with each other.

[0033] Preferably, in order to make the symmetry of the connector more convenient, a bevel chamfer 14 (see Figure 1 ) for preventing the insertion of the wrong part can also be provided at the corner of the power terminal pair socket 11 and / or the corner of the ground terminal pair socket 12.

[0034] As shown in Figure 3 and Figure 5 , the power terminal 2 can be punched from a metal material, and the power terminal 2 can include a power terminal base body part 21, a power terminal butt square needle part 22, and a power terminal solder square needle part 23, the cross-sectional shape of the power terminal butt square needle part 22 and the power terminal solder square needle part 23 is respectively set to be square, the power terminal butt square needle part 22 is connected to the head end of the power terminal base body part 21, the power terminal solder square needle part 23 is connected to the tail end of the power terminal base body part 21, the power terminal base body part 21 is in the form of a flat sheet, the width of the power terminal base body part 21 is greater than the width of the power terminal butt square needle part 22 and the width of the power terminal solder square needle part 23, and the power terminal butt square needle part 22 is located in the power terminal pair socket 11 of the connector housing 1. In addition, the power terminal base body part 21 is provided with a power terminal barb part 24 on both sides for clamping with the corresponding terminal insertion hole of the connector housing 1.

[0035] As shown in Figure 5 , preferably, the head end end of the power terminal butt square needle part 22 and the tail end end of the power terminal solder square needle part 23 can be respectively set to be a four-cone structure, and the head end of the power terminal base body part 21 can form an outer eight cone structure.

[0036] As shown in Figure 3 and Figure 6As shown in the figure, the grounding terminal 3 can be punched from a metal material, the grounding terminal 3 can include a grounding terminal base portion 31, a grounding terminal butt square needle portion 32 and a grounding terminal solder square needle portion 33, the cross-sectional shape of the grounding terminal butt square needle portion 32 and the grounding terminal solder square needle portion 33 is respectively set to square, the grounding terminal butt square needle portion 32 is connected at the head end of the grounding terminal base portion 31, the grounding terminal solder square needle portion 33 is connected at the tail end of the grounding terminal base portion 31, the grounding terminal base portion 31 is in a flat sheet shape, the grounding terminal base portion 31 is parallel to the power terminal base portion 21, the width of the grounding terminal base portion 31 is greater than the width of the grounding terminal butt square needle portion 32 and the width of the grounding terminal solder square needle portion 33, the grounding terminal butt square needle portion 32 is located in the grounding terminal butt port 12 of the connector seat body 1. In addition, both sides of the grounding terminal base portion 31 can be respectively provided with a grounding terminal barb portion 34 for clamping with the corresponding terminal insertion hole of the connector seat body 1.

[0037] As shown in the figure, Figure 6 Preferably, the head end end of the grounding terminal butt square needle portion 32 and the tail end end of the grounding terminal solder square needle portion 33 can be respectively set to a four-tapered structure. The head end of the grounding terminal base portion 31 can form an outer eight conical structure.

[0038] As shown in the figure, Figure 3 and Figure 7 The signal terminal 4 can also be punched from a metal material, the signal terminal 4 can include a signal terminal base portion 41, a signal terminal butt square needle portion 42 and a signal terminal solder square needle portion 43, the cross-sectional shape of the signal terminal butt square needle portion 42 and the signal terminal solder square needle portion 43 is respectively set to square, the signal terminal butt square needle portion 42 is connected at the head end of the signal terminal base portion 41, the signal terminal solder square needle portion 43 is connected at the tail end of the signal terminal base portion 41, the signal terminal base portion 41 is in a flat sheet shape, the signal terminal base portion 41 is parallel to the power terminal base portion 21 and the grounding terminal base portion 31, the width of the signal terminal base portion 41 is greater than the width of the signal terminal butt square needle portion 42 and the width of the signal terminal solder square needle portion 43, the signal terminal butt square needle portion 42 is located in the signal terminal butt port 13 of the connector seat body 1. In addition, both sides of the signal terminal base portion 41 can be respectively provided with a signal terminal barb portion 44 for clamping with the corresponding terminal insertion hole of the connector seat body 1.

[0039] As shown in the figure, Figure 7 Preferably, the head end end of the signal terminal butt square needle portion 42 and the tail end end of the signal terminal solder square needle portion 43 can be respectively set to a four-tapered structure. The head end of the signal terminal base portion 41 can form an outer eight conical structure.

[0040] As a further improvement of the present embodiment, as shown in the figure, Figure 4As shown, the length of the grounding terminal pair butt joint needle part 32 in the grounding terminal pair socket 12 is greater than the length of the power terminal pair butt joint needle part 22 in the power terminal pair socket 11, so that the length of the butt joint part of the grounding terminal is greater than the length of the butt joint part of the power terminal, which can ensure that when the male and female connectors are connected, the grounding terminals of the male and female connectors are contacted first and then the power terminals are connected, thereby avoiding the occurrence of sparking or burning machine and other adverse phenomena when the male and female connectors are connected, and greatly improving the safety performance of the connector.

[0041] Of course, in the embodiment, preferably, the length of the signal terminal pair butt joint needle part 42 in the signal terminal pair socket 13 can also be greater than the length of the grounding terminal pair butt joint needle part 32 in the grounding terminal pair socket 12.

[0042] It should be noted that the number of the power terminals 2, the grounding terminals 3 and the signal terminals 4 of the power connector can be increased or decreased as required, and the terminals can be straight terminals or 90-degree bent terminals.

[0043] In summary, the power connector has the advantages of simple structure, reasonable design, small size, and the like, the power terminals and the grounding terminals are designed as stamping PINs, the width of the base part of the power terminals and the grounding terminals is greater than the width of the butt joint needle part and the width of the soldering leg needle part, the volume of the terminals is greater than that of the traditional four needle parts, the current carrying capacity of the connector can be greatly improved (13.5A current can be passed), the heat dissipation effect is good, and the terminals are designed as unequal lengths, which can avoid the occurrence of sparking or burning machine and other adverse phenomena when the male and female connectors are connected, thereby greatly improving the safety performance of the connector.

[0044] The above embodiment is a preferred embodiment of the utility model, but the embodiment of the utility model is not limited to the above embodiment, and any change, modification, replacement, combination or simplification without departing from the spirit and principle of the utility model should be an equivalent replacement method and should be included in the protection scope of the utility model.

Claims

1. A power connector with unequal length terminal design, comprising a connector housing, a row of power terminals, a row of ground terminals and a row of signal terminals, said power terminals, ground terminals and signal terminals are respectively arranged and inserted into corresponding terminal insertion holes of the connector housing, said ground terminals are located between the power terminals and the signal terminals, characterized in that: The power terminal comprises a power terminal base part, a power terminal butt needle part and a power terminal solder needle part, the power terminal butt needle part is connected at the head end of the power terminal base part, the power terminal solder needle part is connected at the tail end of the power terminal base part, the power terminal butt needle part is located in the power terminal butt socket of the connector seat body, the ground terminal comprises a ground terminal base part, a ground terminal butt needle part and a ground terminal solder needle part, the ground terminal butt needle part is connected at the head end of the ground terminal base part, the ground terminal solder needle part is connected at the tail end of the ground terminal base part, the ground terminal butt needle part is located in the ground terminal butt socket of the connector seat body, the length of the ground terminal butt needle part in the ground terminal butt socket is greater than the length of the power terminal butt needle part in the power terminal butt socket.

2. The power connector with unequal length terminal design according to claim 1, wherein: The signal terminal comprises a signal terminal base part, a signal terminal butt needle part and a signal terminal solder needle part, the ground terminal butt needle part is connected at the head end of the ground terminal base part, the ground terminal solder needle part is connected at the tail end of the ground terminal base part, the signal terminal butt needle part is located in the signal terminal butt socket of the connector seat body, the length of the signal terminal butt needle part in the signal terminal butt socket is greater than the length of the ground terminal butt needle part in the ground terminal butt socket.

3. The power connector with unequal length terminal design according to claim 1, wherein: The power terminal, the ground terminal and the signal terminal are respectively punched from metal materials.

4. The power connector with unequal length design of terminals according to claim 1 or 3, characterized in that: The width of the power terminal base part is greater than the width of the power terminal butt needle part and the width of the power terminal solder needle part, the width of the ground terminal base part is greater than the width of the ground terminal butt needle part and the width of the ground terminal solder needle part, the ground terminal base part is parallel to the power terminal base part.

5. A power connector employing unequal terminal length design according to claim 2 or 3, characterized in that: The width of the signal terminal base part is greater than the width of the signal terminal butt needle part and the width of the signal terminal solder needle part, the signal terminal base part is parallel to the power terminal base part and the ground terminal base part.

6. A power connector employing unequal terminal length design according to claim 2 or 3, characterized in that: The power terminal base part is respectively provided with a power terminal barb part at both sides, the ground terminal base part is respectively provided with a ground terminal barb part at both sides, and the signal terminal base part is respectively provided with a signal terminal barb part at both sides.

7. A power connector employing unequal terminal length design according to claim 2 or 3, characterized in that: The head end end of the power terminal butt needle part and the tail end end of the power terminal solder needle part are respectively provided as four conical structures, the head end end of the ground terminal butt needle part and the tail end end of the ground terminal solder needle part are respectively provided as four conical structures, and the head end end of the signal terminal butt needle part and the tail end end of the signal terminal solder needle part are respectively provided as four conical structures.

8. A power connector employing unequal terminal length design according to claim 2 or 3, characterized in that: The head end of the power terminal base part, the head end of the ground terminal base part and the head end of the signal terminal base part respectively form an outer eight conical structure.

9. The power connector with unequal length terminal design according to claim 1, wherein: The adjacent two power terminal butt sockets on the connector seat body are spaced from each other, the adjacent two ground terminal butt sockets on the connector seat body are spaced from each other, and the power terminal butt socket and the ground terminal butt socket on the connector seat body are spaced from each other or communicated with each other.

10. The power connector employing unequal length terminal design according to claim 1, wherein: The power terminal pair insertion port corner and / or the ground terminal pair insertion port corner is provided with an inclined chamfer for anti-fool insertion.

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