CN217691783U

CN217691783U - DC power socket capable of preventing sparking phenomenon

Info

Publication number: CN217691783U
Application number: CN202221923085.7U
Authority: CN
Inventors: 高明松; 涂光文
Original assignee: Langzhong Jin Sanxin Electronics Co ltd
Current assignee: Langzhong Jin Sanxin Electronics Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-10-28
Anticipated expiration: 2032-07-25

Abstract

The utility model belongs to the field of power sockets, in particular to a DC power socket capable of preventing sparking, which comprises a socket body, a center pin and a negative pole elastic sheet, wherein jacks are arranged on the socket body, a terminal shell is clamped on one side of the socket body, which is provided with the jacks, and contact points are distributed on the terminal shell; the central needle comprises an insertion end and a positive end which are integrally formed, the insertion end is connected in the jack, and the positive end is bent to extend out of the socket body; the negative pole shell fragment includes integrated into one piece's portion of bending and welding part the portion of bending sets up and is close to in the socket body the center needle, the welding part stretches out outside the socket body, and welding part extension and terminal shell contact. The utility model discloses the problem of phenomenon of striking sparks appears in traditional high-power DC socket has effectively been solved.

Description

DC power socket capable of preventing sparking phenomenon

Technical Field

The utility model belongs to the supply socket field, concretely relates to prevent phenomenon DC supply socket of striking sparks.

Background

The DC socket is a common socket for electric appliances and is usually arranged on a Printed Circuit Board (PCB), and the traditional DC socket adopts a positive copper column and terminal riveting structure, so that when a plug is inserted into the DC socket, the instant ignition phenomenon is easily caused, and the phenomenon not only can cause the corrosion of electric sparks to a contact and influence the service life of a product; if the powder is used in an environment with large dust, explosion can be caused, and personal and property damages can be caused.

SUMMERY OF THE UTILITY MODEL

Based on the problem mentioned in the above-mentioned background art, the utility model provides a prevent phenomenon DC supply socket of striking sparks.

The utility model adopts the technical scheme as follows: a DC power socket capable of preventing sparking comprises a socket body, a center pin and a negative elastic sheet, wherein jacks are formed in the socket body, a terminal shell is clamped on one face, provided with the jacks, of the socket body, and contact points are distributed on the terminal shell; the central needle comprises an insertion end and a positive end which are integrally formed, the insertion end is connected in the jack, and the positive end is bent to extend out of the socket body; the negative pole shell fragment includes integrated into one piece's portion of bending and welding part the portion of bending sets up and is close to in the socket body the center needle, the welding part stretches out outside the socket body, and welding part extension and terminal shell contact.

Further, the socket body is provided with a negative pin for inserting into the PCB, and the negative pin is welded with the welding part.

Furthermore, the negative pole is participated in a plurality of, and the welding part is welded with one of them negative pole pin.

Furthermore, a positioning column is arranged at the bottom of the socket body.

Further, two force application terminals are fixedly connected in the socket body and surround the outer peripheral part of the center pin.

Furthermore, the terminal shell is provided with a clamping part, and the socket body is provided with a clamping groove for accommodating the clamping part.

The utility model has the advantages that:

1. because the shell adopts the terminal shell, it connects the contact point of negative pole to distribute on the terminal shell, and just anodal adoption is bent integrative center needle structure, at the in-process that the plug stretched into the jack, at first with the contact point contact of terminal shell, then the plug stretches into again with anodal center needle contact, inserts the emergence of the phenomenon of striking sparks effectively to avoid through staggering the plug in the twinkling of an eye anodal with the negative pole simultaneous contact.

2. The provision of contact points is increased by the terminal housing, thereby also increasing the input and output power of the DC outlet.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

the drawings are labeled as follows:

the socket comprises a socket body 1, a jack 11, a negative pin 12, a center pin 2, an insertion end 21, a positive end 22, a negative elastic sheet 3, a bent part 31, a welding part 32, a terminal shell 4, an engagement part 41, an engagement groove 42, a positioning column 5 and a force application terminal 6.

Detailed Description

As shown in fig. 1-2, a DC power socket capable of preventing sparking comprises a socket body 1, a center pin 2 and a negative spring plate 3, wherein the socket body 1 is provided with a jack 11, one surface of the socket body 1 provided with the jack 11 is clamped with a terminal shell 4, and contact points are distributed on the terminal shell 4; the central needle 2 comprises an insertion end 21 and a positive end 22 which are integrally formed, the insertion end 21 is connected into the jack 11, and the positive end 22 is bent to extend out of the socket body 1; the negative electrode elastic sheet 3 comprises a bending part 31 and a welding part 32 which are integrally formed, the bending part 31 is arranged in the socket body 1 and is close to the central pin 2, the welding part 32 extends out of the socket body 1, and the extending part of the welding part 32 is in contact with the terminal shell 4.

By adopting the technical scheme, as the shell adopts the terminal shell 4, the contact points connected with the negative pole are distributed on the terminal shell 4, and the positive pole adopts the structure of the central needle 2 which is bent into a whole, in the process that the plug stretches into the jack 11, the plug firstly contacts with the contact point of the terminal shell 4, then the plug stretches into and then contacts with the central needle 2 of the positive pole, and a certain time sequence difference exists between the positive pole and the negative pole. In prior art, the reason that the phenomenon of striking sparks takes place lies in that the plug stretches into and contacts anodal and negative pole simultaneously in the twinkling of an eye, consequently the utility model discloses a stagger the plug and insert the emergence of phenomenon of striking sparks effectively to anodal and negative pole simultaneous contact in the twinkling of an eye.

Preferably, the socket body 1 is provided with a negative pin 12 for inserting into a PCB, and the negative pin 12 is welded to the welding portion 32. The soldering portion 32 is soldered to the negative pin 12, and the negative pin 12 and the soldering portion 32 are both connected to the negative electrode and finally soldered to the PCB.

Preferably, the negative electrode pin 12 has a plurality of parts, and the welding part 32 is welded to one of the negative electrode pins 12. The stability of the socket body 1 mounted on the PCB is increased by the plurality of negative pins 12.

Preferably, the bottom of the socket body 1 is provided with a positioning column 5. The positioning column 5 is used for positioning the socket body 1 on the PCB.

Preferably, two urging terminals 6 are fixedly connected to the inside of the socket body 1, and the two urging terminals 6 surround the outer peripheral portion of the center pin 2. Set up afterburning terminal 6 in socket ontology 1, after the plug inserted jack 11, afterburning terminal 6 laminating to the plug surface, effectively increased the plug and jack 11 in the power of inserting of central needle 2, avoid the plug to drop.

Preferably, the terminal housing 4 is provided with an engaging portion 41, and the socket body 1 is provided with an engaging groove 42 for accommodating the engaging portion 41. The terminal housing 4 is mounted on the socket body 1 by the cooperation of the engaging portion 41 and the engaging groove 42, the front end of the engaging portion 41 is bent to have elasticity, and the bent portion is forcibly pressed downward to be engaged into the engaging groove 42; when the clamping part is detached, the clamping part 41 and the clamping groove 42 are matched to facilitate the detachment and installation of the integral structure and the inspection.

The utility model discloses a working method as follows:

socket ontology 1 passes through reference column 5 and fixes a position to the PCB on, with negative pole participate in 12 welding to the PCB on, the negative pole participate in 12 and the welding end of negative pole shell fragment 3 inserts the negative pole, the anodal 22 of central needle 2 inserts anodically, when the plug inserts jack 11, because the plug gets into jack 11 and is the negative pole contact point of inserting terminal shell 4 earlier, then contacts central needle 2 again, realizes from this that the chronogenesis staggers, effectively avoids the emergence of the phenomenon of striking sparks. And because of the existence of the stress application terminal 6, the integral plugging force is effectively improved, and the plug is prevented from loosening.

The present invention has been described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core concept. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides an prevent phenomenon of striking sparks DC supply socket which characterized in that: comprises that

The socket comprises a socket body (1), wherein a jack (11) is formed in the socket body (1), a terminal shell (4) is clamped on one surface, provided with the jack (11), of the socket body (1), and contact points are distributed on the terminal shell (4);

the socket comprises a central needle (2), wherein the central needle (2) comprises an insertion end (21) and a positive end (22) which are integrally formed, the insertion end (21) is connected into a jack (11), and the positive end (22) is bent to extend out of the socket body (1);

negative pole shell fragment (3), negative pole shell fragment (3) include integrated into one piece's portion of bending (31) and weld part (32) the portion of bending (31) set up in socket ontology (1) and are close to center needle (2), weld part (32) stretch out outside socket ontology (1), and weld part (32) extension and terminal shell (4) contact.

2. An arcing phenomenon prevention DC power outlet as set forth in claim 1, wherein: the socket body (1) is provided with a negative pin (12) for inserting a PCB, and the negative pin (12) is welded with the welding part (32).

3. An arcing phenomenon prevention DC power outlet as set forth in claim 2, wherein: the negative electrode pin (12) is provided with a plurality of negative electrode pins, and the welding part (32) is welded with one negative electrode pin (12).

4. An arcing prevention DC power outlet as set forth in claim 1, wherein: and a positioning column (5) is arranged at the bottom of the socket body (1).

5. An arcing phenomenon prevention DC power outlet as set forth in claim 1, wherein: two stress application terminals (6) are fixedly connected in the socket body (1), and the two stress application terminals (6) surround the periphery of the central pin (2).

6. An arcing phenomenon prevention DC power outlet as set forth in claim 1, wherein: the terminal shell (4) is provided with a clamping part (41), and the socket body (1) is provided with a clamping groove (42) for accommodating the clamping part (41).