Power supply connector

Abstract

The utility model relates to a power supply connector, which comprises a socket connector and a plug connector, a plurality of socket terminal assemblies are arranged in the socket connector, each socket terminal assembly comprises a plug conductive terminal, each plug conductive terminal comprises a left clamping piece and a right clamping piece, the sides, close to the rear ends, of the left clamping piece and the right clamping piece are connected through a connecting piece, a gap is formed between the left clamping piece and the right clamping piece, and first through holes are formed in the positions, close to the rear ends, of the left clamping piece and the right clamping piece. The threaded block is provided with a vertically arranged threaded hole, and the threaded block is inserted into the two first through holes; the elastic metal sheet is arranged in a U shape, the elastic metal sheet comprises a fixing part, a connecting part and a pressing part which are connected in sequence, and the fixing part is arranged above the threaded block. The beneficial effects of the utility model are that the contact area with the lead is effectively increased, so that the connection stability and the conductive performance are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a power connector. Background Art

[0002] In our daily life, most of the power connectors are two-hole or three-hole, and the three-hole ones are arranged in a herringbone shape. The power connector is mainly used for power transmission, including socket connectors and plug connectors that are plugged into each other. The plug connector is generally installed on the electrical appliance, and the socket connector is connected to the power supply through a wire to supply power to the electrical appliance. The socket connector is connected to the wire through a wiring terminal, and the metal wire is pressed by the screws in the wiring terminal to achieve fixation and electrical connection.

[0003] However, it is difficult to ensure the stability of the connection by simply pressing the wires with screws. When the wires on the socket connector are pulled by external force, the wires are easily separated from the wiring terminals, thereby causing the circuit to be disconnected. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a power connector to solve the above problems.

[0005] The technical solution of the utility model is implemented as follows: a power connector, including a socket connector and a plug connector, wherein a plurality of socket terminal assemblies are arranged in the socket connector, and the socket terminal assemblies include:

[0006] A socket conductive terminal, the socket conductive terminal comprising a left clip and a right clip, the left clip and the right clip are connected at one side close to the rear end by a connecting piece, a gap is provided between the left clip and the right clip, and a first through hole is provided on the left clip and the right clip close to the rear end;

[0007] A threaded block, wherein a vertically arranged threaded hole is formed on the threaded block, and the threaded block is inserted into the two first through holes;

[0008] An elastic metal sheet, the elastic metal sheet is arranged in a "U" shape, the elastic metal sheet comprises a fixing portion, a connecting portion and a pressing portion which are connected in sequence, the fixing portion is arranged above the threaded block, a second through hole corresponding to the threaded hole is opened on the fixing portion, the connecting portion is arranged behind the threaded block, and the pressing portion extends into the conductive terminal of the socket and is located below the threaded block;

[0009] A screw passes through the second through hole and is threadedly connected to the threaded hole, and the lower end of the screw is pressed against the upper side of the pressing portion.

[0010] By adopting the above technical solution, the wire enters the interior from the rear end of the socket connector, and then extends from the rear end to the front end of the socket conductive terminal to between the clamping part and the connecting piece, and is screwed downward by the screw to squeeze the clamping part to clamp the wire, thereby effectively increasing the contact area with the wire, thereby improving the stability of the connection and the conductive performance, so that the temperature rise is not easy to exceed the standard. At the same time, the front end of the clamping part is tilted downward and pressed on the wire, so that when the wire is pulled and moves backward, the front end of the clamping part forms a barb to limit the wire, so that the wire is not easy to separate, and the stability of the connection with the wire is effectively improved.

[0011] The utility model is further configured as follows: three installation grooves connected to the outside are provided in the socket connector, the socket terminal assembly is embedded and installed in the installation grooves, adjacent installation grooves are separated by partitions, the height of the partitions is greater than the height of the socket terminal assembly, and the length of the partitions is greater than the length of the socket terminal assembly.

[0012] By adopting the above technical solution, the socket terminal assembly can be effectively fixed in the socket connector, with better limiting effect and greater stability, and the creepage distance and electrical clearance between adjacent socket terminal assemblies can be increased, making it feel safe when in use.

[0013] The utility model is further configured as follows: flanges are protruded from both side edges of the fixing portion toward the left clamping piece and the right clamping piece, and the flanges abut against the upper sides of the left clamping piece and the right clamping piece.

[0014] By adopting the above technical solution, the position of the elastic metal sheet can be effectively limited, making it more convenient to use and install.

[0015] The utility model is further configured as follows: the socket terminal assembly further includes:

[0016] The first limiting block is vertically arranged on the front end of the connecting piece and extends between the left clamping piece and the right clamping piece.

[0017] By adopting the above technical solution, when the wire is inserted into the socket terminal assembly, the first limiting block can effectively limit the wire to prevent it from being inserted too deep.

[0018] The utility model is further configured to include:

[0019] The second limiting block is protrudingly arranged in the installation groove and abuts against the front end of the first limiting block, and the second limiting block extends between the left clamping piece and the right clamping piece.

[0020] By adopting the above technical solution, the second limit block cooperates with the first limit block to limit the socket terminal assembly, so that the socket terminal assembly will not shift forward, thereby achieving a better limiting effect on the socket terminal assembly in all directions.

[0021] The utility model is further configured as follows: the elastic metal sheet is formed into a fixing portion, a connecting portion and a pressing portion by bending.

[0022] By adopting the above technical solution, the connection strength and stability between the fixing part, the connecting part and the pressing part are effectively improved, so that the elastic performance is better.

[0023] The utility model is further configured to include:

[0024] A lower clamping plate, the lower clamping plate is integrally formed and disposed in the socket connector and close to the rear end;

[0025] An upper clamping plate, both ends of which are fixedly connected to the upper side of the lower clamping plate by screws;

[0026] A conduit, wherein the conduit is hollow and is disposed on the rear end of the socket connector and extends outward;

[0027] Wherein, a third through hole for the wire to pass through is provided between the lower clamping plate and the upper clamping plate, and the third through hole corresponds to the catheter.

[0028] By adopting the above technical solution, when the wire is inserted into the socket connector, it passes through the guide tube and the third through hole in sequence to enter the interior, and then the wire is pressed and fixed between the lower clamping plate and the upper clamping plate by tightening the screws on the upper clamping plate, thereby strengthening the fixing effect on the wire and making it difficult for the wire to separate. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0030] Figure 1 This is a schematic diagram of the structure of the socket connector in the utility model;

[0031] Figure 2 It is a schematic diagram of the structure of the plug connector in the utility model;

[0032] Figure 3 It is a top view of the internal structure of the socket connector in the utility model;

[0033] Figure 4The internal structure of the socket connector in the utility model is shown in FIG. Figure 1 ;

[0034] Figure 5 The internal structure of the socket connector in the utility model is shown in FIG. Figure 2 ;

[0035] Figure 6 This is a schematic diagram of the structure of the socket terminal assembly in the utility model;

[0036] Figure 7 This is an exploded view of the structure of the socket terminal assembly in the utility model;

[0037] Figure 8 It is a structural cross-sectional view of the socket terminal assembly in the utility model. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] like Figure 1-Figure 8 As shown, the utility model discloses a power connector, including a socket connector 1 and a plug connector 2, wherein the socket connector 1 is provided with a plurality of socket terminal assemblies, and the socket terminal assemblies include:

[0040] The socket conductive terminal 3 includes a left clip 30 and a right clip 31. The left clip 30 and the right clip 31 are connected at one side near the rear end by a connecting piece 32. A gap is provided between the left clip 30 and the right clip 31. The left clip 30 and the right clip 31 are both provided with a first through hole 33 near the rear end.

[0041] A threaded block 4, wherein a vertically arranged threaded hole 40 is formed on the threaded block 4, and the threaded block 4 is inserted into the two first through holes 33;

[0042] The elastic metal sheet 5 is arranged in a "U" shape, and comprises a fixing portion 50, a connecting portion 51 and a pressing portion 52 which are connected in sequence. The fixing portion 50 is arranged above the threaded block 4, and a second through hole 500 corresponding to the threaded hole 40 is opened on the fixing portion 50. The connecting portion 51 is arranged behind the threaded block 4, and the pressing portion 52 extends into the socket conductive terminal 3 and is located below the threaded block 4;

[0043] The screw 6 passes through the second through hole 500 and is threadedly connected to the threaded hole 40 , and the lower end of the screw 6 is pressed against the upper side of the pressing portion 52 .

[0044] By adopting the above technical solution, the wire enters the interior from the rear end of the socket connector 1, and then extends from the rear end to the front end of the socket conductive terminal 3 between the clamping portion 52 and the connecting piece 32, and is screwed downward by the screw 6 to squeeze the clamping portion 52 to clamp the wire, effectively increasing the contact area with the wire, thereby improving the stability of the connection and the conductive performance, so that the temperature rise is not easy to exceed the standard. At the same time, the front end of the clamping portion 52 is tilted downward and pressed on the wire, so that when the wire is pulled and moved backward, the front end of the clamping portion 52 forms a barb to limit the wire, so that the wire is not easy to separate, and the stability of the connection with the wire is effectively improved.

[0045] In the embodiment of the utility model, the socket connector 1 is provided with three installation grooves 10 connected to the outside, and the socket terminal assembly is embedded and installed in the installation grooves 10. Adjacent installation grooves 10 are separated by partitions 11. The height of the partition 11 is greater than the height of the socket terminal assembly, and the length of the partition 11 is greater than the length of the socket terminal assembly.

[0046] By adopting the above technical solution, the socket terminal assembly can be effectively fixed in the socket connector 1, with better limiting effect and greater stability, and the creepage distance and electrical clearance between adjacent socket terminal assemblies can be increased, making it feel safe when in use.

[0047] In the embodiment of the utility model, flanges 501 are protruded from both side edges of the fixing portion 50 facing the left clamping piece 30 and the right clamping piece 31 , and the flanges 501 abut against the upper sides of the left clamping piece 30 and the right clamping piece 31 .

[0048] By adopting the above technical solution, the position of the elastic metal sheet 5 can be effectively limited, making it more convenient to use and install.

[0049] In an embodiment of the utility model, the socket terminal assembly further includes:

[0050] The first limiting block 34 is vertically disposed on the front end of the connecting piece 32 and extends between the left clamping piece 30 and the right clamping piece 31 .

[0051] By adopting the above technical solution, when the wire is inserted into the socket terminal assembly, the first limiting block 34 can effectively limit the wire to prevent it from being inserted too deep.

[0052] In the embodiment of the utility model, it also includes:

[0053] The second limiting block 12 is protrudingly disposed in the installation slot 10 and abuts against the front end of the first limiting block 34 . The second limiting block 12 extends between the left clamping piece 30 and the right clamping piece 31 .

[0054] By adopting the above technical solution, the second limit block 12 cooperates with the first limit block 34 to limit the socket terminal assembly so that the socket terminal assembly will not shift forward, thereby achieving a better limiting effect on the socket terminal assembly in all directions.

[0055] In the embodiment of the utility model, the elastic metal sheet 5 is bent to form a fixing portion 50 , a connecting portion 51 and a pressing portion 52 .

[0056] By adopting the above technical solution, the connection strength and stability among the fixing portion 50, the connecting portion 51 and the pressing portion 52 are effectively improved, so that the elastic performance is better.

[0057] In the embodiment of the utility model, it also includes:

[0058] A lower clamping plate 7, wherein the lower clamping plate 7 is integrally formed and disposed in the socket connector 1 and is disposed near the rear end;

[0059] An upper clamping plate 8, both ends of which are fixedly connected to the upper side of the lower clamping plate 7 by screws;

[0060] A conduit 9, wherein the conduit 9 is hollow and is disposed on the rear end of the socket connector 1 and extends outward;

[0061] A third through hole 70 for a wire to pass through is provided between the lower clamping plate 7 and the upper clamping plate 8 , and the third through hole 70 corresponds to the conduit 9 .

[0062] By adopting the above technical solution, when the wire is inserted into the socket connector 1, it passes through the guide tube 9 and the third through hole 70 in sequence to enter the interior, and then the wire is pressed and fixed between the lower clamping plate 7 and the upper clamping plate 8 by tightening the screws on the upper clamping plate 8, thereby strengthening the fixing effect on the wire and making it difficult for the wire to separate.

[0063] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A power connector, comprising a socket connector (1) and a plug connector (2), wherein the socket connector (1) is provided with a plurality of socket terminal assemblies, characterized in that: The socket terminal assembly comprises: A socket conductive terminal (3), the socket conductive terminal (3) comprising a left clamp (30) and a right clamp (31), the left clamp (30) and the right clamp (31) being connected at one side close to the rear end via a connecting piece (32), a gap being provided between the left clamp (30) and the right clamp (31), and a first through hole (33) being provided on each of the left clamp (30) and the right clamp (31) close to the rear end; A threaded block (4), wherein a vertically arranged threaded hole (40) is formed on the threaded block (4), and the threaded block (4) is inserted into the two first through holes (33); An elastic metal sheet (5), wherein the elastic metal sheet (5) is arranged in a U-shape, and comprises a fixing portion (50), a connecting portion (51) and a pressing portion (52) which are connected in sequence, wherein the fixing portion (50) is arranged above the threaded block (4), and a second through hole (500) corresponding to the threaded hole (40) is opened on the fixing portion (50), and the connecting portion (51) is arranged behind the threaded block (4), and the pressing portion (52) extends into the socket conductive terminal (3) and is located below the threaded block (4); A screw (6), wherein the screw (6) passes through the second through hole (500) and is threadedly connected to the threaded hole (40), and the lower end of the screw (6) is pressed against the upper side of the pressing portion (52).

2. A power connector according to claim 1, characterized in that: The socket connector (1) is provided with three mounting grooves (10) connected to the outside, the socket terminal assembly is embedded and installed in the mounting grooves (10), adjacent mounting grooves (10) are isolated by partitions (11), the height of the partitions (11) is greater than the height of the socket terminal assembly, and the length of the partitions (11) is greater than the length of the socket terminal assembly.

3. A power connector according to claim 1, characterized in that: The fixing portion (50) is provided with flanges (501) protruding from both side edges facing the left clamping piece (30) and the right clamping piece (31), and the flanges (501) abut against the upper sides of the left clamping piece (30) and the right clamping piece (31).

4. A power connector according to claim 2, characterized in that: The socket terminal assembly also includes: A first limiting block (34), wherein the first limiting block (34) is vertically arranged on the front end of the connecting piece (32) and extends between the left clamping piece (30) and the right clamping piece (31).

5. A power connector according to claim 4, characterized in that: Also includes: A second limiting block (12), the second limiting block (12) protrudes into the installation groove (10) and abuts against the front end of the first limiting block (34), and the second limiting block (12) extends between the left clamping piece (30) and the right clamping piece (31).

6. A power connector according to claim 1, characterized in that: The elastic metal sheet (5) is bent to form a fixing portion (50), a connecting portion (51) and a pressing portion (52).

7. A power connector according to claim 1, characterized in that: Also includes: A lower clamping plate (7), the lower clamping plate (7) being integrally formed and arranged inside the socket connector (1) and close to the rear end; An upper clamping plate (8), the two ends of which are fixedly connected to the upper side of the lower clamping plate (7) by screws; A conduit (9), the conduit (9) being hollow and arranged on the rear end of the socket connector (1) and extending outward; A third through hole (70) for a wire to pass through is provided between the lower clamping plate (7) and the upper clamping plate (8), and the third through hole (70) corresponds to the conduit (9).

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