A drum spring type power connector

Abstract

The present invention discloses a drum spring type power connector, which includes a connecting feeder, a plug assembly, a connecting assembly and a power line. The connecting feeder is inserted into the plug assembly, and the plug assembly is connected to the power line via the connecting assembly. Among them, the plug assembly includes a feeder fixing shielding assembly, a screw cap, an elastic drum spring, a power pin and a plug body housing. The elastic drum spring and the power pin are arranged inside the feeder fixing shielding assembly. The power pin is electrically connected to one end of the connecting feeder through the screw cap and the elastic drum spring. One end of the feeder fixing shielding assembly is connected to the plug body housing, and the other end of the plug body housing is connected to the connecting assembly. The present invention ensures that the plug and the feeder are always in contact in the plugged state through the elastic drum spring, ensures that feeders with different wire diameters are always in a connected state due to manufacturing errors of different manufacturers, and effectively prevents the risk of momentary interruption.

Description

Technical Field

[0001] The present invention relates to the technical field of communication electrical connectors, and particularly to a drum spring type power connector. Background Art

[0002] With the development of electronization and intelligence, the requirements for electromagnetic compatibility in communication are getting higher and higher, and the requirements for the shielding resistance of connectors are also getting stricter. Faults such as various interferences will occur due to the formation of faults at the shielding layer of the cable and the mating part of the connector head and socket, resulting in inexplicable disorders in the system. Especially in harsh environments, the probability of problems increases sharply. Therefore, a connector that ensures continuous and reliable shielding and contact is necessary in the market.

[0003] The connectors required on communication base stations are outdoor connectors and need to have excellent environmental resistance. The components at this location on existing base stations are 7 / 8 feeder type connectors, whose function is signal transmission. Existing such connectors do not have the function of transmitting high power, but only play the role of connecting signals. And due to structural limitations, the wire diameter specifications for connecting the feeder are limited, and they cannot meet the requirements of the existing industry for high-power transmission and the requirements for using wire diameters from different manufacturers. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a drum spring type power connector in view of the above-mentioned defects of the prior art.

[0005] The technical solution adopted by the present invention to solve its technical problems is to construct a drum spring type power connector, which includes a connecting feeder, a plug assembly, a connecting component, and a power line. The connecting feeder is inserted into the plug assembly, and the plug assembly is connected to the power line via the connecting component. Among them, the plug assembly includes a feeder fixed shielding component, a screw cap, an elastic drum spring, a power pin, and a plug main body housing. The elastic drum spring and the power pin are arranged in the feeder fixed shielding component. The power pin is electrically connected to one end of the connecting feeder through the screw cap and the elastic drum spring. One end of the feeder fixed shielding component is connected to the plug main body housing, and the other end of the plug main body housing is connected to the connecting component.

[0006] In the drum spring type power connector provided by the present invention, the feeder fixed shielding component includes a tail nut, a first sealing ring, a plug housing, and a spring ring. The tail nut is connected to the plug housing through the first sealing ring, the plug housing is connected to the plug main body housing through the spring ring, and a shielding groove is provided on the inner wall of the plug housing.

[0007] In the drum spring type power connector provided by the present invention, the plug assembly includes a second sealing ring connected between the feeder fixed shielding component and the plug main body housing.

[0008] In the drum spring type power connector provided by the present invention, the connection component is a socket component. The socket component includes a socket flange housing, a first positioning pin, and a power jack component. One end of the power jack component is fixed to the socket flange housing via the first positioning pin, and the power cord is plugged into the other end of the power jack component.

[0009] In the drum spring type power connector provided by the present invention, the plug component further includes a connection nut connected between the plug component and the plug main body housing, a snap ring connected between the plug main body housing and the connection nut, and a third sealing ring connected between the connection nut and the socket component.

[0010] In the drum spring type power connector provided by the present invention, the socket component further includes a socket insulator main body and a socket insulating rear cover sleeved on the power jack component, and a fourth sealing ring provided on the socket flange housing.

[0011] In the drum spring type power connector provided by the present invention, a plug insulator and a plug insulating rear cover are sleeved on the power pin, and a shielding groove is provided at the end of the plug insulator.

[0012] In the drum spring type power connector provided by the present invention, the connection component includes a straight pipe, a shielding pressure plate, and a PG head. The shielding pressure plate is arranged inside the straight pipe. One end of the straight pipe is connected to the plug main body housing, the other end of the straight pipe is connected to one end of the cable connector, and the other end of the PG head is connected to the power cord.

[0013] In the drum spring type power connector provided by the present invention, the plug component further includes a snap ring connected between the feeder fixed shielding component and the plug main body housing.

[0014] In the drum spring type power connector provided by the present invention, the plug component further includes a fifth sealing ring connected between the plug main body housing and the connection component.

[0015] The drum spring type power connector of the present invention has the following beneficial effects: By means of the elastic drum spring, it is ensured that the plug and the feeder are always in contact in the plugged state, ensuring that feeders with different wire diameters are always in a connected state due to manufacturing errors of different manufacturers, effectively preventing the risk of momentary interruption; Through the shielding groove, it is ensured that the cable shielding and the connector housing are always in an on state, preventing interference in special situations from causing danger and improving the reliability of the operation of communication equipment; The length behind the flange of the socket component is short, saving space for the internal layout of the chassis; When the plug component and the socket component are separated and plugged, there is a connection nut, which can achieve quick plugging and unplugging. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the provided drawings:

[0017] Figure 1 It is the overall structure diagram of the drum spring type power connector provided in the first embodiment of the present invention;

[0018] Figure 2 is Figure 1 The exploded view of the plug assembly shown;

[0019] Figure 3 is Figure 1 The exploded view of the socket assembly shown;

[0020] Figure 4 It is the overall structure diagram of the drum spring type power connector provided in the second embodiment of the present invention;

[0021] Figure 5 It is the exploded view of the drum spring type power connector provided in the second embodiment of the present invention. Detailed implementation manners

[0022] To facilitate the understanding of the present invention, the following will describe the present invention more comprehensively with reference to the relevant drawings. The typical embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0024] To better understand the above technical solutions, the following will describe the above technical solutions in detail in combination with the drawings in the specification and the specific implementation manners. It should be understood that the embodiments of the present invention and the specific features in the embodiments are detailed descriptions of the technical solutions of the present application, rather than limitations on the technical solutions of the present application. Without conflict, the technical features in the embodiments of the present invention and the embodiments can be combined with each other.

[0025] Embodiment 1

[0026] Figure 1 It is the overall structure diagram of the drum spring type power connector provided in the first embodiment of the present invention. As Figure 1As shown in the figure, the drum spring type power connector of the present invention includes a connecting feeder 1, a plug assembly 2, a socket assembly 3, and a power cord 4. The connecting feeder 1 is inserted into the plug assembly 2, the plug assembly 2 is inserted into the socket assembly 3, and the socket assembly 3 is connected to the power cord 4.

[0027] Figure 2 is Figure 1 an exploded schematic view of the plug assembly shown in the figure. As Figure 2 shown, the plug assembly 2 includes a feeder fixing shielding assembly, a screw cap 9, an elastic drum spring 10, a power pin 11, a plug main body housing 15, and a connecting nut 17. The elastic drum spring 10 and the power pin 11 are arranged inside the feeder fixing shielding assembly. One end of the power pin 11 is electrically connected to the connecting feeder 1 through the screw cap 9 and the elastic drum spring 10. The feeder fixing shielding assembly is connected to one end of the plug main body housing 15, and the other end of the plug main body housing 15 is connected to the socket assembly 3 through the connecting nut 17. By the feeder fixing shielding assembly, it is ensured that the cable shielding and the connector housing are always in an on state, preventing interference in special situations from causing danger and improving the reliability of the operation of communication equipment. An elastic drum spring is added to the plug power pin to ensure that there is always contact when the plug is inserted into the feeder, ensuring that feeders with different wire diameters are always in a connected state due to manufacturing errors of different manufacturers, effectively preventing the risk of momentary interruption. There is a connecting nut when the plug assembly and the socket assembly are separated and inserted, enabling quick plugging and unplugging.

[0028] Furthermore, in an embodiment of the present invention, as Figure 2 shown, the feeder fixing shielding assembly includes a tail nut 5 and a plug housing 7. The tail nut 5 is connected to the plug housing 7, the plug housing 7 is connected to the plug main body housing 15, and a shielding groove is provided on the inner wall of the plug housing 7. The feeder fixing shielding assembly further includes a first sealing ring 6 connected between the tail nut 5 and the plug housing 7 and a spring ring 8 connected between the plug housing 7 and the plug main body housing 15. The plug assembly 2 further includes a second sealing ring 14 connected between the feeder fixing shielding assembly and the plug main body housing 15, a snap ring 16 connected between the plug main body housing 15 and the connecting nut 17, and a third sealing ring 18 connected between the connecting nut 17 and the socket assembly 3. A plug insulator 12 and a plug insulating rear cover 13 are sleeved on the power pin 11, and a shielding groove is provided at the end of the plug insulator 12. By adding shielding grooves at the positions of the plug housing and the end of the plug insulator, the shielding electrical continuity is ensured; the elastic drum spring is fixed through the cooperation of the tail nut, the plug insulator, and the plug insulating rear cover.

[0029] Figure 3 is Figure 1Exploded schematic view of the socket assembly shown. As Figure 3 shown, the socket assembly 3 includes a socket flange housing 19, positioning feet 21, and a power jack assembly 23. One end of the power jack assembly 23 is fixed to the socket flange housing 19 via the positioning feet 21, and the power cord 4 is plugged into the other end of the power jack assembly 23. The socket assembly 3 further includes a socket insulator body 20 and a socket insulating rear cover 22 sleeved on the power jack assembly 23. The socket assembly 3 further includes a fourth sealing ring 24 provided on the socket flange housing 19. The socket assembly uses positioning feet to fix the power jack assembly. This structure requires little space for fixing. The power jack assembly and the power cord are directly fixed to the socket flange housing through the socket insulator body, positioning feet, and socket insulating rear cover, and the structure is simple and reliable. The power jack assembly is fixed by positioning feet, and the socket insulator is shortened, effectively shortening the overall length, thus making the size behind the socket flange short and occupying little space inside the chassis.

[0030] Embodiment 2

[0031] Figure 4 is the overall structure diagram of the drum spring type power connector provided by the second embodiment of the present invention. Figure 5 is the exploded schematic view of the drum spring type power connector provided by the second embodiment of the present invention. As Figure 4 and Figure 5 shown, the drum spring type power connector of the present invention includes a connection feeder 1, a plug assembly, a connection assembly, and a power cord 4. The connection feeder 1 is inserted into the plug assembly, and the plug assembly is connected to the power cord 4 via the shown connection assembly.

[0032] As Figure 4 and Figure 5 shown, the plug assembly includes a feeder fixing shielding assembly, a screw cap 9, an elastic drum spring 10, a power pin 11, a plug main body housing 15. The elastic drum spring 10 and the power pin 11 are arranged inside the feeder fixing shielding assembly. The power pin 11 is electrically connected to one end of the connection feeder 1 through the screw cap 9 and the elastic drum spring 10. One end of the feeder fixing shielding assembly is connected to the plug main body housing 15, and the other end of the plug main body housing 15 is connected to the connection assembly. By the feeder fixing shielding assembly, it is ensured that the cable shielding is always connected to the connector housing, preventing interference in special situations from causing danger and improving the reliability of the operation of communication equipment. An elastic drum spring is added to the power pin of the plug to ensure that the plug is always in contact with the feeder in the plugged state, ensuring that feeders with different wire diameters are always in a connected state due to manufacturing errors of different manufacturers, and effectively preventing the risk of momentary interruption.

[0033] Further, in the embodiment, as Figure 4 and Figure 5As shown in the figure, the feeder fixing and shielding assembly includes a tail nut 5 and a plug housing 7. The tail nut 5 is connected to the plug housing 7, and the plug housing 7 is connected to the plug body housing 15. A shielding groove is provided on the inner wall of the plug housing 7. The feeder fixing and shielding assembly further includes a first sealing ring 6 connected between the tail nut 5 and the plug housing 7 and a spring ring 8 connected between the plug housing 7 and the plug body housing 15. The plug assembly further includes a second sealing ring 14 connected between the feeder fixing and shielding assembly and the plug body housing 15, a snap ring 25 connected between the feeder fixing and shielding assembly and the plug body housing 15, and a fifth sealing ring 29 connected between the plug body housing 15 and the connection assembly. The shielding electrical continuity is ensured by adding a shielding groove to the plug housing.

[0034] Further, in the embodiment, the connection assembly includes a straight pipe 30, a shielding pressing plate 28, and a cable connector 31. The shielding pressing plate 28 is disposed inside the straight pipe 30. One end of the straight pipe 30 is connected to the plug body housing 15, the other end of the straight pipe 30 is connected to one end of the cable connector 31, and the other end of the PG head 31 is connected to the power cord 4. The cable connector 31 is a waterproof PG head.

[0035] Compared with the prior art, the drum spring type power connector provided by the present invention has the following advantages:

[0036] 1. By means of the elastic drum spring, it is ensured that the plug and the feeder are always in contact in the plugged state, ensuring that feeders with different wire diameters are always in a connected state due to manufacturing errors of different manufacturers, and effectively preventing the risk of momentary interruption.

[0037] 2. By means of the shielding groove, it is ensured that the cable shield and the connector housing are always in an on state, preventing interference in special situations from causing danger and improving the reliability of the operation of communication equipment.

[0038] 3. The length behind the flange of the socket assembly is short, saving space for the internal layout of the chassis.

[0039] 4. There are connection nuts when the plug assembly and the socket assembly are separated and plugged, enabling quick plugging and unplugging.

[0040] The embodiments of the present invention have been described above in conjunction with the accompanying drawings. However, the present invention is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present invention, those of ordinary skill in the art can also make many forms without departing from the spirit and scope protected by the claims of the present invention, and these all fall within the protection scope of the present invention.

Claims

1. A drum spring type power connector, characterized in that, It includes a connecting feeder (1), a plug assembly (2), a connecting component, and a power cord (4). The connecting feeder (1) is inserted into the plug assembly (2), and the plug assembly (2) is connected to the power cord (4) via the connecting component. Among them, the plug assembly (2) includes a feeder fixing shielding component, a screw cap (9), a resilient drum spring (10), a power pin (11), and a plug body housing (15). The resilient drum spring (10) and the power pin (11) are arranged inside the feeder fixing shielding component. The power pin (11) is electrically connected to one end of the connecting feeder (1) through the screw cap (9) and the resilient drum spring (10). The feeder fixing shielding component is connected to one end of the plug body housing (15), and the other end of the plug body housing (15) is connected to the connecting component; The feeder fixing shielding component includes a tail nut (5), a first sealing ring (6), a plug outer shell (7), and a spring ring (8). The tail nut (5) is connected to the plug outer shell (7) through the first sealing ring (6). The plug outer shell (7) is connected to the plug body housing (15) through the spring ring (8). The inner wall of the plug outer shell (7) is provided with a shielding groove; A plug insulator (12) and a plug insulating rear cover (13) are sleeved on the power pin (11). The end of the plug insulator (12) is provided with a shielding groove; The shielding groove provided on the inner wall of the plug outer shell (7) and the shielding groove provided at the end of the plug insulator (12) achieve shielding electrical continuity.

2. The drum spring type power connector according to claim 1, characterized in that, The plug assembly (2) includes a second sealing ring (14) connected between the feeder fixing shielding component and the plug body housing (15).

3. The drum spring type power connector according to claim 2, characterized in that, The connecting component is a socket assembly (3). The socket assembly (3) includes a socket flange housing (19), a first positioning foot (21), and a power jack assembly (23). One end of the power jack assembly (23) is fixed to the socket flange housing (19) via the first positioning foot (21). The power cord is plugged into the other end of the power jack assembly (23).

4. The drum spring type power connector according to claim 3, characterized in that, The plug assembly (2) further includes a connecting nut (17) connected between the socket assembly (3) and the plug body housing (15), a snap ring (16) connected between the plug body housing (15) and the connecting nut (17), and a third sealing ring (18) connected between the connecting nut (17) and the socket assembly (3).

5. The drum spring type power connector according to claim 3, characterized in that, The socket assembly (3) further includes a socket insulator body (20) and a socket insulating rear cover (22) sleeved on the power jack assembly (23), and a fourth sealing ring (24) provided on the socket flange housing (19).

6. The drum spring type power connector according to claim 2, characterized in that, The connection component includes a straight pipe (30), a shielding pressure plate (28) and a PG head (31). The shielding pressure plate (28) is arranged in the straight pipe (30). One end of the straight pipe (30) is connected to the plug body housing (15), the other end of the straight pipe (30) is connected to one end of the PG head (31), and the other end of the PG head (31) is connected to the power cord (4).

7. The drum spring type power connector according to claim 6, characterized in that, The plug component (2) further includes a snap ring (25) connected between the feeder fixed shielding component and the plug body housing (15).

8. The drum spring type power connector according to claim 6, characterized in that, The plug component (2) further includes a fifth sealing ring (29) connected between the plug body housing (15) and the connection component.

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