Power interface connector

Abstract

The utility model relates to the technical field of power supply connecting equipment, and particularly discloses a power supply interface connector which is characterized in that the power supply interface connector comprises a first base and a second base which are buckled with each other, a negative electrode elastic piece is arranged between the first base and the second base, the negative electrode elastic piece is arranged in a cylindrical stripe cage shape, and the first base and the second base are buckled with each other. The negative elastic sheet is provided with a plurality of contact points, the plurality of contact points are formed by inwards sinking the side wall of the negative elastic sheet, and the plurality of contact points uniformly surround the negative elastic sheet at intervals. According to the invention, the power interface has higher current bearing capacity, so that the use safety can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power connection equipment, in particular to a power interface connector. BACKGROUND

[0002] As an important component of modern electronic devices, power interface connectors are widely used in various audio devices. With the continuous enrichment of electronic product functions and the diversification of use scenarios, the design of power interfaces is continuously optimized to meet higher performance requirements.

[0003] Traditional power interfaces mainly undertake signal transmission tasks, but as the demand for power transmission increases, power interfaces are gradually given greater current carrying capacity. This change poses new challenges to the design of power interfaces and has driven the development of related technologies, providing users with more convenient and efficient use experiences.

[0004] However, when the power interface needs to transmit large current, it is easy to cause breakdown due to current concentration, which not only affects the normal operation of the device, but also may cause safety hazards, which needs to be solved. CONTENT OF THE INVENTION

[0005] In order to make the power interface have greater current carrying capacity, thereby facilitating the improvement of use safety, the present application provides a power interface connector.

[0006] The power interface connector provided by the present application adopts the following technical scheme:

[0007] A power interface connector, comprising a first base and a second base that are buckled together, a negative spring plate is arranged between the first base and the second base, the negative spring plate is arranged in a cylindrical stripe cage shape, the negative spring plate is provided with a plurality of contact points, the plurality of contact points are formed by the side wall of the negative spring plate being recessed inward, and the plurality of contact points are uniformly spaced and surrounded around the negative spring plate.

[0008] By adopting the above technical scheme, the first base and the second base support and fix the negative spring, the negative spring plate is arranged in a cylindrical stripe cage shape, which is conducive to increasing the interface contact area, the negative spring plate is provided with a plurality of contact points, and the plurality of contact points are uniformly spaced and surrounded around the negative spring plate, which can disperse current, thereby reducing the load of a single contact point, and thus it is difficult to cause breakdown, so that the power interface has greater current carrying capacity, which is conducive to improving use safety.

[0009] Preferably, the first base is embedded with a center PIN, the center PIN penetrates into the negative spring plate along the direction of the center axis of the negative spring plate, the side wall of the center PIN is provided with a fixed embedding table, and the side wall of the fixed embedding table is arranged obliquely.

[0010] By adopting the technical scheme, the center PIN pin is fixedly embedded with the first base through the fixed embedding platform, and the side wall of the fixed embedding platform is inclined, which is beneficial to improving the connection stability of the center PIN pin and the first base.

[0011] Preferably, the surface of the first base towards the second base is provided with a buckling column, and the surface of the second base towards the first base is provided with a buckling hole corresponding to the buckling column.

[0012] By adopting the technical scheme, the first base is fixedly connected with the second base by inserting the buckling column into the buckling hole on the second base, which is simple in structure and quick in connection.

[0013] Preferably, the connection part of the first base and the second base is provided with an identification spring, the surface of the first base towards the second base is provided with a positioning column, the identification spring is provided with a positioning hole corresponding to the positioning column, and the positioning column and the positioning hole are correspondingly provided in two groups.

[0014] By adopting the technical scheme, when the identification spring needs to be installed at the connection part of the first base and the second base, the positioning column is inserted into the positioning hole on the identification spring to realize positioning, and the positioning column and the positioning hole are correspondingly provided in two groups, so that the identification spring is difficult to shake, thereby improving the stability of the installation of the identification spring.

[0015] Preferably, the position of the first base provided with the identification spring is provided with a containing groove for containing the identification spring, and when the first base and the second base are buckled and connected, the surface of the first base towards the second base abuts against the surface of the second base towards the first base.

[0016] By adopting the technical scheme, when the first base and the second base are buckled and connected, the identification spring is contained in the containing groove, and the surface of the first base towards the second base abuts against the surface of the second base towards the first base, which is beneficial to improving the sealing property between the first base and the second base, thereby preventing environmental pollutants from entering the inside of the connector to interfere with the connection.

[0017] Preferably, the position of the second base provided with the identification spring is provided with a pressing block, and the pressing block is cross-displaced with the positioning column, and when the first base and the second base are buckled and connected, the pressing block penetrates into the containing groove and presses the identification spring.

[0018] When the first base and the second base are connected by buckling, the surface of the first base facing the second base abuts against the surface of the second base facing the first base, and the identification spring and the abutting block are both accommodated in the accommodation groove, and the abutting block abuts against the identification spring, thereby improving the stability of the installation of the identification spring, and the abutting block and the positioning column are cross-displaced to achieve displacement avoidance.

[0019] Preferably, the outer side of the first base and the second base is wrapped with a shell, one side of the shell connection part adjacent to the two sides is provided in a dovetail groove shape, and the other side is provided in a dovetail block shape matched with the dovetail groove.

[0020] By adopting the above technical scheme, the shell protects the first base and the second base, and the two adjacent side edges of the shell connection part are buckled in a dovetail block and a dovetail groove, which improves the stability and the sealing effect.

[0021] Preferably, the shell is provided with a DIP pin, the DIP pin is formed by bending part of the shell outward, and a heat dissipation hole is formed at the position of the shell corresponding to the DIP pin.

[0022] By adopting the above technical scheme, part of the shell is bent outward to form the DIP pin, and a heat dissipation hole is also formed at the same time, which is conducive to improving the heat dissipation efficiency and reducing the risk of current breakdown.

[0023] In summary, the present application has the following at least one beneficial technical effect:

[0024] 1. By arranging the negative spring in a cylindrical stripe cage shape and providing multiple contact points on the negative spring, the interface contact area is increased, the multiple contact points can disperse the current, thereby reducing the load of a single contact point, making it difficult to break down, and the power interface has greater current carrying capacity, which is conducive to improving the use safety.

[0025] 2. By providing an accommodation groove at the position of the identification spring on the first base, when the first base and the second base are connected by buckling, the identification spring is accommodated in the accommodation groove, and the surface of the first base facing the second base abuts against the surface of the second base facing the first base, which is conducive to improving the sealing between the first base and the second base, thereby preventing environmental pollutants from entering the inside of the connector to interfere with the connection.

[0026] 3. By bending part of the shell outward to form a DIP pin, a heat dissipation hole is formed at the position of the shell corresponding to the DIP pin, and part of the shell is bent outward to form the DIP pin at the same time, which is conducive to improving the heat dissipation efficiency and reducing the risk of current breakdown. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the overall structure schematic diagram of the power interface connector in the embodiment of the application.

[0028] Figure 2 is the structure schematic diagram when the first base and the second base are separated in the embodiment of the application.

[0029] Figure 3 is the position schematic diagram of the negative spring sheet and the center PIN needle in the connector in the embodiment of the application.

[0030] Figure 4 is the structure schematic diagram of the negative spring sheet in the embodiment of the application.

[0031] Figure 5 is the structure schematic diagram when the center PIN needle and the first base are separated in the embodiment of the application.

[0032] Figure 6 is the position schematic diagram of the identification spring sheet in the connector in the embodiment of the application.

[0033] Figure 7 is the structure schematic diagram of the identification spring sheet in the embodiment of the application.

[0034] Explanation of reference signs:

[0035] 1, first base; 2, second base; 3, negative spring sheet; 4, contact point; 5, center PIN needle; 6, fixed embedding platform; 7, buckling column; 8, buckling hole; 9, identification spring sheet; 10, positioning column; 11, positioning hole; 12, accommodating groove; 13, abutting block; 14, shell; 15, DIP pin; 16, heat dissipation hole. DETAILED DESCRIPTION

[0036] The following will be combined with the accompanying Figures 1-7 The application is further described in detail.

[0037] The embodiment of the application discloses a power interface connector, referring to Figure 1 and Figure 2 , comprising a first base 1 and a second base 2 buckled with each other, specifically, a buckling column 7 is vertically and fixedly arranged on the surface of the first base 1 facing the second base 2, and a buckling hole 8 is arranged on the surface of the second base 2 facing the first base 1, and the buckling column 7 is inserted into the buckling hole 8, so that the first base 1 and the second base 2 are fixedly connected, at this time, the surface of the first base 1 facing the second base 2 abuts against the surface of the second base 2 facing the first base 1. It should be noted that the buckling column 7 can also be arranged on the second base 2, and the buckling hole 8 is arranged on the first base 1, or the buckling column 7 and the buckling hole 8 are arranged in multiple groups, and the buckling column 7 and the buckling hole 8 in different groups are arranged at different positions, which is not limited here.

[0038] Referring toFigure 3 and Figure 4 , the first base 1 and the second base 2 are provided with a negative spring piece 3, which is accommodated in the space formed between the first base 1 and the second base 2. Specifically, the negative spring piece 3 is provided in a cylindrical strip cage shape to increase the contact area, and the negative spring piece 3 is provided with a plurality of contact points 4, which are formed by the side wall of the negative spring piece 3 inwardly recessed, and the plurality of contact points 4 are uniformly spaced around the negative spring piece 3 to disperse the current, thereby reducing the load of a single contact point 4, and further difficult to occur breakdown phenomenon, so that the power interface has greater current carrying capacity, which is beneficial to improve the use safety.

[0039] Referring to Figure 3 and Figure 5 , the first base 1 is fixedly embedded with a center PIN 5, which penetrates into the negative spring piece 3 along the direction of the central axis of the negative spring piece 3. In order to improve the connection stability of the center PIN 5 and the first base 1, the side wall of the center PIN 5 is provided with a fixed embedding platform 6, and the side wall of the fixed embedding platform 6 is provided in an inclined manner.

[0040] Referring to Figure 3 , the connection part of the first base 1 and the second base 2 is provided with an identification spring 9, and referring to Figure 6 and Figure 7 , the surface of the first base 1 facing the second base 2 is provided with a positioning column 10 fixedly arranged perpendicularly, and the identification spring 9 is provided with a positioning hole 11 corresponding to the positioning column 10 for insertion, so as to facilitate the positioning of the identification spring 9 during installation. In this embodiment, the positioning column 10 and the positioning hole 11 are correspondingly provided in two groups, so that the identification spring 9 is difficult to shake, thereby facilitating the stability of the installation of the identification spring 9.

[0041] Referring to Figure 6 and Figure 7 , the position of the first base 1 where the identification spring 9 is arranged is provided with an accommodation groove 12 for accommodating the identification spring 9, and the positioning column 10 is located in the accommodation groove 12. When the first base 1 and the second base 2 are connected by buckling, the surface of the first base 1 facing the second base 2 abuts against the surface of the second base 2 facing the first base 1, and the identification spring 9 is accommodated in the accommodation groove 12, so as to improve the sealing performance of the connection between the first base 1 and the second base 2, thereby preventing environmental pollutants from entering the inside of the connector to interfere with the connection. Further, the second base 2 is provided with a position where the identification spring 9 is arranged, and a pressing block 13 is arranged at the position. In this embodiment, the number of pressing blocks 13 is three, and the three pressing blocks 13 are arranged in cross displacement with the two positioning columns 10 to realize displacement avoidance. When the first base 1 and the second base 2 are connected by buckling, the pressing block 13 penetrates into the accommodation groove 12 and abuts against the identification spring 9, so as to further improve the stability of the installation of the identification spring 9.

[0042] Looking backFigure 1 The outer side of the first base 1 and the second base 2 is wrapped with an outer shell 14, the outer shell 14 protects the connector, the outer shell 14 is formed by bending and riveting a shell plate, it should be noted that one side of the two adjacent sides of the outer shell 14 is in the shape of a dovetail groove, and the other side is in the shape of a dovetail block matched with the dovetail groove, which can improve the sealing effect while improving the connection stability.

[0043] Referring to Figure 1 The opposite sides of the outer shell 14 are provided with DIP pins 15, it is worth mentioning that the DIP pins 15 are formed by cutting and outwardly bending part of the outer shell 14, at the same time, the position of the outer shell 14 where the DIP pins 15 are formed corresponds to the formation of the heat dissipation holes 16, so as to improve the heat dissipation efficiency and reduce the risk of current breakdown.

[0044] The implementation principle of the power interface connector according to the embodiment of the application is that: the components in the connector are connected compactly, the plurality of contact points 4 are uniformly spaced around the negative spring sheet 3, which can disperse the current, thereby reducing the load of the single contact point 4, and further difficult to occur breakdown phenomenon, so that the power interface has greater current carrying capacity, which is beneficial to improve the use safety, the first base 1 is provided with the accommodating groove 12, which is beneficial to improve the sealing between the first base 1 and the second base 2, so as to prevent environmental pollutants from entering the inside of the connector to cause interference to the connection, at the same time, the position of the outer shell 14 where the DIP pins 15 are formed corresponds to the formation of the heat dissipation holes 16, which is beneficial to improve the heat dissipation efficiency, the plurality of contact points 4, the accommodating groove 12 and the heat dissipation holes 16 are matched, which is beneficial to further reduce the risk of current breakdown, thereby further improving the use safety and service life of the connector.

[0045] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A power interface connector, characterized by: The utility model provides a first base (1) and second base (2) are included, be provided with negative spring piece (3) between first base (1) and second base (2), negative spring piece (3) is provided with cylinder strip cage, negative spring piece (3) is provided with multiple contact points (4), multiple contact points (4) are all formed by the inward recess of the side wall of negative spring piece (3), and multiple contact points (4) are uniformly spaced around negative spring piece (3).

2. A power interface connector according to claim 1, characterised in that: The first base (1) is embedded with a center PIN needle (5) which penetrates into the negative spring piece (3) along the direction of the central axis of the negative spring piece (3), and the side wall of the center PIN needle (5) is provided with a fixed embedding platform (6) which is arranged in an inclined manner.

3. A power interface connector according to claim 1, wherein: The surface of the first base (1) towards the second base (2) is provided with a buckling column (7), and the surface of the second base (2) towards the first base (1) is provided with a buckling hole (8) corresponding to the buckling column (7).

4. A power interface connector according to claim 1, wherein: The connecting part of the first base (1) and the second base (2) is provided with an identification spring piece (9), the surface of the first base (1) towards the second base (2) is provided with a positioning column (10), the identification spring piece (9) is provided with a positioning hole (11) corresponding to the positioning column (10), and the positioning column (10) and the positioning hole (11) are correspondingly provided as two groups.

5. A power interface connector according to claim 4, wherein: The position of the first base (1) provided with the identification spring piece (9) is provided with a containing groove (12) for containing the identification spring piece (9), and when the first base (1) and the second base (2) are buckled and connected, the surface of the first base (1) towards the second base (2) abuts against the surface of the second base (2) towards the first base (1).

6. A power interface connector according to claim 5, wherein: The position of the second base (2) provided with the identification spring piece (9) is provided with a pressing block (13) which is cross-dislocated with the positioning column (10), and when the first base (1) and the second base (2) are buckled and connected, the pressing block (13) penetrates into the containing groove (12) and abuts against the identification spring piece (9).

7. A power interface connector according to claim 1, wherein: The outer side of the first base (1) and the second base (2) is wrapped with an outer shell (14), one side of the connecting part of the outer shell (14) is provided in a dovetail groove shape, and the other side is provided in a dovetail block shape matched with the dovetail groove.

8. A power interface connector according to claim 7, wherein: The outer shell (14) is provided with a DIP pin (15) which is formed by bending outwardly from part of the outer shell (14), and the position of the outer shell (14) where the DIP pin (15) is formed is correspondingly formed with a heat dissipation hole (16).

Images