CN213636463U

CN213636463U - DC power connector structure

Info

Publication number: CN213636463U
Application number: CN202022848388.4U
Authority: CN
Inventors: 朱东风
Original assignee: Singatron Electronic Zhongshan Co Ltd
Current assignee: Singatron Electronic Zhongshan Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-06
Anticipated expiration: 2030-12-01

Abstract

The utility model provides a DC power connector structure contains insulating seat, terminal post and terminal shell fragment. The insulating base is provided with a plug interface. The terminal post is incorporated in the insulating holder. The terminal shell fragment combines in the insulating seat and is located one side of terminal post, and the terminal shell fragment contains the first bullet arm and the second bullet arm of guide connection piece and connection guide connection piece, and first bullet arm is buckled and is extended the shaping from the intermediate position of guide connection piece and has first contact segment, and second bullet arm is buckled and is extended the shaping from the side position of guide connection piece and has the second contact segment, and the position of second contact segment in the insulating seat is more close to the interface than in first contact segment. Therefore, the direct current electric connector is ensured to contact the negative electrode of the butting plug firstly, so that sparks are avoided when the direct current electric connector is used, and the safety performance of a product is improved.

Description

DC power connector structure

Technical Field

The present invention relates to a connector structure, and more particularly, to a dc power connector structure.

Background

The dc electrical connector is mainly used for transmitting a dc power to supply power required by the operation of the electronic product. The DC connector structure mainly comprises an insulating base, a conductive central column and an elastic terminal piece, wherein the conductive central column and the elastic terminal piece are combined in the insulating base, the conductive central column is arranged as a positive pole, and the elastic terminal piece is arranged as a negative pole. Accordingly, the direct current connector can be used for an external plug to carry out transmission.

In addition, when the existing dc electrical connector is plugged into an external plug, the elastic terminal strip contacts the positive conducting terminal of the external plug first, which is prone to generate sparks and thus causes safety concerns. Therefore, how to avoid the spark of the direct current connector when in use and improve the safety performance of the product is the utility model discloses a research motivation.

In view of the above, the present invention is directed to the above-mentioned prior art, and the present invention is directed to an improved method of solving the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a DC power connector structure is provided, its position difference that utilizes two contact sections of negative pole realizes the time difference of contact point work, thereby ensures to contact the negative pole of docking plug earlier to produce the spark when avoiding using, and promote the security performance of product.

In order to achieve the above object, the present invention provides a dc power connector structure, which comprises an insulating base, a terminal post and a terminal spring. The insulating base is provided with a plug interface. The terminal post is incorporated in the insulating holder. The terminal shell fragment combines in the insulating seat and is located one side of terminal post, and the terminal shell fragment contains the first bullet arm and the second bullet arm of guide connection piece and connection guide connection piece, and first bullet arm is buckled and is extended the shaping from the intermediate position of guide connection piece and has first contact segment, and second bullet arm is buckled and is extended the shaping from the side position of guide connection piece and has the second contact segment, and the position of second contact segment in the insulating seat is more close to the interface than in first contact segment.

The above-mentioned dc power connector structure further includes a metal housing seat, and the metal housing seat is sleeved outside the insulating seat.

The above-mentioned dc power connector structure further includes a metal shell, and the metal shell is covered outside the metal shell seat.

In the above dc power connector structure, the insulating base has a base and a slot, a plug space is formed between the base and the plug interface, and an accommodating space is formed between the base and the slot.

In the above-mentioned structure of the dc power connector, the conductive connecting piece is formed with a protruding hook, and the terminal elastic piece is fixed in the insulating base by being clamped in the clamping groove by the protruding hook.

In the above-mentioned structure of the dc power connector, the terminal post includes a conductive connection section and an embedding section connected to the conductive connection section, and the embedding section is combined with the base to suspend the conductive connection section in the insertion space.

In the above dc power connector structure, the first elastic arm and the second elastic arm extend from the guide tab in opposite directions.

In the above dc power connector structure, the first contact section and the second contact section extend to be suspended on the same side of the guide tab, and vertical distances of the first contact section and the second contact section relative to the guide tab are substantially equal.

In the above dc power connector structure, the first contact section and the second contact section are respectively in an L shape.

The utility model has the beneficial effects that: compared with the prior art, the utility model discloses a terminal shell fragment of DC power connector structure contains two and plays the arm, and two play arms have the contact section respectively, and in view of the above, when external plug inserted the lead and connect, the negative pole ring piece can contact the terminal shell fragment of negative pole earlier, so can avoid producing the spark to ensure safe in utilizationly. Furthermore, the utility model discloses utilize the position difference of two contact sections of negative pole to realize the time difference of contact point work, produce the spark when can avoiding using to promote the security performance of product.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Drawings

Fig. 1 is a schematic exploded perspective view of a dc power connector according to the present invention.

Fig. 2 is a combined cross-sectional view of the structure of the dc power connector of the present invention.

Fig. 3 is a schematic perspective view of the terminal spring of the present invention.

Fig. 4 is a side view of the terminal spring of the present invention.

Fig. 5 and 6 are schematic diagrams illustrating the dc power connector according to the present invention.

Reference numerals

DC power connector

2: external plug

3: negative pole ring piece

4: anode ring cylinder

10 insulating base

101 splicing space

102, a containing space

11: interface

12: base

13, a clamping groove

20 terminal post

21 conducting section

22: an embedding section

30 terminal spring plate

31 guide connecting piece

311 convex hook

32 first elastic arm

321 first contact section

33 second elastic arm

331 second contact section

40: metal shell base

50: metal casing

Detailed Description

The following describes the structural and operational principles of the present invention in detail with reference to the accompanying drawings:

please refer to fig. 1 and fig. 2, which are a three-dimensional exploded schematic view and a combined cross-sectional view of a dc power connector structure according to the present invention. The dc power connector 1 of the present invention includes an insulating base 10, a terminal post 20 and a terminal bullet piece 30. The terminal post 20 and the terminal spring piece 30 are combined in the insulating base 10. In this embodiment, the dc power connection structure 1 further includes a metal housing 40 and a metal housing 50. The metal shell seat 40 is sleeved outside the insulating seat 10; the metal shell 50 is covered outside the metal shell base 40, so as to form the dc power connector 1.

The insulating base 10 has a socket 11. Specifically, the insulating base 10 has a base 12 and a slot 13. A plug space 101 is formed between the base 12 and the plug port 11; in addition, a receiving space 102 is formed between the base 12 and the card slot 13.

The terminal post 20 is a conductive post and is integrated in the insulating base 10. More specifically, the terminal post 20 includes a connecting section 21 and an embedding section 22 connected to the connecting section 21. The embedded section 22 is combined with the base 12 to suspend the docking section 21 in the plugging space 101.

Furthermore, the terminal spring 30 is integrated in the insulating base 10 and located at one side of the terminal post 20.

Please refer to fig. 3 and fig. 4, which are a schematic perspective view and a side view of the terminal spring of the present invention. The terminal spring 30 includes a guiding plate 31 and a first elastic arm 32 and a second elastic arm 33 connected to the guiding plate 31. The first elastic arm 32 is bent from the middle of the guide tab 31 and extended to form a first contact section 321. The second elastic arm 33 is bent from a side position of the guide tab 31 and extended to form a second contact section 331, and a position of the second contact section 331 in the insulating base 10 is closer to the socket 11 than the first contact section 321.

In an embodiment of the present invention, the guiding plate 31 is formed with a protruding hook 311. The terminal spring 30 is fixed in the insulating base 10 by the hook 311 being caught in the slot 13 (see fig. 2).

It should be noted that the first elastic arm 32 and the second elastic arm 33 extend from the guide tab 31 in opposite directions. Preferably, the first contact section 321 and the second contact section 331 are respectively in an L shape. In addition, the first contact section 321 and the second contact section 331 extend to be suspended on the same side of the guide tab 31, and the vertical distances of the first contact section 321 and the second contact section 331 relative to the guide tab 31 are substantially equal, that is, the guide contact points of the first contact section 321 and the second contact section 331 are located at substantially the same height.

Please refer to fig. 5 and fig. 6, which are schematic diagrams of the dc power connector according to the present invention. The utility model discloses a direct current power connector 1 is used for pegging graft an external plug 2 that corresponds the setting. The external plug 2 has a negative ring 3 and a positive ring 4. On the other hand, the terminal post 20 of the present invention is set as a positive electrode, and the terminal spring piece 30 is set as a negative electrode.

As shown in fig. 5, when the external plug 2 is inserted into the dc power connector 1 from the insertion port 11, the negative ring piece 3 of the external plug 2 contacts the second contact section 331 (the negative terminal spring 30) of the dc power connector 1 first. Subsequently, when the external plug 2 is inserted into the insulating base 10, the positive collar 4 of the external plug 2 is connected to the conductive section 21 (positive terminal post 20) of the dc power connector 1.

Referring to fig. 6 again, subsequently, when the external plug 2 further advances toward the inside of the insulating base 10, the negative ring piece 3 of the external plug 2 contacts the first contact section 321 (the negative terminal spring 30) of the dc power connector 1. At this time, the external plug 2 and the dc power connector 1 complete electrical conduction and start transmission.

It should be noted that, when the dc power connector 1 of the present invention is used, the external plug 2 will contact the second contact section 331 of the negative electrode first in the insertion process, so that the spark phenomenon generated when the conventional positive electrode is contacted first can be avoided, thereby ensuring the safety in use. Furthermore, the utility model discloses utilize the position difference of second contact section 331 and first contact section 321 to realize the time difference of contact point work, produce the phenomenon of spark when can avoiding using to promote the security performance of product.

Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims

1. A structure of a dc power connector, comprising:

an insulating base with a plug interface;

a terminal post, which is a conductive connecting post and is combined in the insulating base; and

the terminal elastic sheet is combined in the insulating base and positioned on one side of the terminal post, the terminal elastic sheet comprises a guide connecting sheet, a first elastic arm and a second elastic arm, the first elastic arm is connected with the guide connecting sheet, the first elastic arm is bent from the middle position of the guide connecting sheet and extends to form a first contact section, the second elastic arm is bent from the side position of the guide connecting sheet and extends to form a second contact section, and the position of the second contact section in the insulating base is closer to the inserting port than the position of the first contact section.

2. The structure of claim 1, further comprising a metal housing, the metal housing being sleeved outside the insulating housing.

3. The structure of claim 2 further comprising a metal shell covering the metal shell base.

4. The structure of claim 1, wherein the insulating base has a base and a slot, a plug space is formed between the base and the plug port, and a receiving space is formed between the base and the slot.

5. The structure of claim 4, wherein the conductive piece is formed with a protrusion, and the terminal spring is fixed in the insulating base by the protrusion being engaged in the engaging groove.

6. The structure of claim 4, wherein the terminal post comprises a conductive section and an embedding section connected to the conductive section, the embedding section is combined with the base to suspend the conductive section in the plugging space.

7. The structure of claim 1, wherein the first spring arm and the second spring arm extend in opposite directions from the guide tab.

8. The electrical connector structure as claimed in claim 1, wherein the first contact section and the second contact section extend to be suspended on the same side of the guide tab, and the vertical distances of the first contact section and the second contact section relative to the guide tab are substantially equal.

9. The structure of claim 1, wherein the first contact section and the second contact section are each in an L-shape.