CN217641852U - DC socket - Google Patents

Abstract

The utility model discloses a DC socket, which belongs to the field of DC sockets and comprises a socket body, wherein the socket body is provided with a plate-shaped structure and an annular side wall formed by the outward extension of the plate-shaped structure; the cover body is abutted against one side, away from the annular side wall, of the plate-shaped structure; extending the metal strip; the socket central needle is positioned in the inner cavity of the annular side wall, and one end of the socket central needle penetrates through the plate-shaped structure and the cover body and is connected with the extending metal strip; the contact spring piece is arranged on the socket body, one end of the contact spring piece is a connecting end, the other end of the contact spring piece is an elastic contact end, the elastic contact end is located in the inner cavity of the annular side wall, and the connecting end is located outside the annular side wall. The utility model provides a DC socket only needs mechanical spot welding just can accomplish the electricity and connect, no longer need be through manual welding.

Description

DC socket

Technical Field

The utility model relates to a DC socket field, more specifically say, relate to a DC socket.

Background

The DC socket is a common power socket and is mainly matched with a special power supply for a computer display. At present, DC socket

Has wide application in various fields in actual life, such as DVD and digital camera which are the most common digital influence products at present

The DC socket is widely used in electronic toys, remote controllers, various communication products such as mobile phones, telephones and the like, household appliances such as televisions, microwave ovens, electric cookers and the like, various fitness equipment and the like, the main components of the existing DC socket comprise a socket body, a socket center pin, a contact elastic sheet and a cover body, the DC socket is connected with a circuit board by welding an iron wire, time and labor are wasted, and the effect is unstable.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving one of the technical problems in the related art at least to a certain extent. Therefore, the utility model provides a DC socket through adding the link of establishing extension metal strip and contact shell fragment, makes the tie point lug connection on DC socket and the circuit board, no longer need accomplish the electricity of DC socket and circuit board through the welding conductive wire and be connected.

The utility model adopts the technical proposal that: the DC socket comprises a socket body, a plurality of connecting pieces and a plurality of connecting pieces, wherein the socket body is provided with a plate-shaped structure and an annular side wall formed by outwards extending the plate-shaped structure; the cover body is abutted against one side, away from the annular side wall, of the plate-shaped structure; extending the metal strip; the socket center needle is positioned in the inner cavity of the annular side wall, and one end of the socket center needle penetrates through the plate-shaped structure and the cover body and is connected with the extending metal strip; the contact spring piece is arranged on the socket body, one end of the contact spring piece is a connecting end, the other end of the contact spring piece is an elastic contact end, the elastic contact end is located in the inner cavity of the annular side wall, and the connecting end is located outside the annular side wall.

After the structure is adopted, the electric connection can be completed only by mechanical spot welding, and manual welding is not needed.

According to an embodiment of the present invention, the plate-like structure is provided with a notch, the notch being in communication with the interior of the annular side wall; the gap is used for extending the elastic connecting end and the fixing part of the contact elastic sheet into the annular side wall.

According to an embodiment of the present invention, the plate-like structure extends in a direction of a plate surface to form a boss, and the boss is provided with a fixing hole; the fixing hole fixes the entire DC outlet by riveting with the circuit board.

According to an embodiment of the present invention, two grooves are formed on the inner wall of the annular sidewall, and the grooves are arranged oppositely; the groove is used for fixing the contact elastic sheet, and the groove is oppositely arranged, so that the contact elastic sheet is evenly stressed, and the fixing effect is better.

According to an embodiment of the present invention, the contact spring is provided with a fixing portion, the fixing portion is located between the connecting end and the elastic contact end, and the fixing portion is inserted into the groove; the contact spring is divided into three parts which respectively play a role in connecting the plug, fixing the contact spring and connecting the circuit board.

According to the utility model discloses an embodiment, elasticity contact jaw with be acute angle bending between the fixed part, this structure enables the plug and inserts more easily, plays the guide effect.

Drawings

Fig. 1 is a schematic diagram of an external structure of a DC outlet according to an embodiment of the present invention;

fig. 2 is a schematic diagram of an internal structure of a DC jack according to an embodiment of the present invention;

fig. 3 is a schematic view of a contact spring structure in an embodiment of the present invention;

fig. 4 is a schematic view of a main structure of a socket according to an embodiment of the present invention.

The reference numbers in the figures illustrate:

1. a socket body; 2. a socket center pin; 3. a contact spring; 4. a cover body; 5. extending the metal strip; 11. a plate-like structure; 12. an annular sidewall; 31. a connecting end; 32. a fixed part; 33. an elastic contact end; 111. a notch; 112. a boss; 113. and (7) fixing holes.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 4, the present embodiment provides a DC outlet, which includes a socket body 1, wherein the socket body 1 has a plate-shaped structure 11 and an annular sidewall 12 formed by extending the plate-shaped structure 11; a cover 4, said cover 4 resting on the side of said plate-like structure 11 remote from said annular side wall 12; an elongated metal strip 5; the socket central needle 2 is positioned in the inner cavity of the annular side wall 12, and one end of the socket central needle 2 penetrates through the plate-shaped structure 11 and the cover body 4 and is connected with the extension metal strip 5; the contact spring plate 3 is installed on the socket body 1, one end of the contact spring plate 3 is a connecting end 31, the other end of the contact spring plate is an elastic contact end 33, the elastic contact end 33 is located in the inner cavity of the annular side wall 12, and the connecting end 31 is located outside the annular side wall 12.

Further, the DC socket that this embodiment provided makes DC socket and the tie point lug connection on the circuit board through adding the link 31 of establishing extension metal strip 5 and contact shell fragment 3, only needs direct spot welding just can accomplish the electricity and connects, no longer need accomplish the electricity of DC socket and circuit board through welding conducting wire and be connected, makes this process can accomplish through mechanical welding, no longer needs manual welding, has improved production efficiency when greatly using manpower sparingly cost.

Specifically, the plate-shaped structure 11 is provided with a notch 111, and the notch 111 is communicated with the inside of the annular side wall 12.

Furthermore, the notch 111 allows the fixing portion 32 and the elastic contact end 33 of the contact spring 3 to extend into the notch 111, the fixing portion 32 of the contact spring 3 is fixed in the groove formed in the annular side wall 12 after extending into the notch 111, the cover 4 covers most of the space of the notch 111, and only the space where the connecting end 31 of the contact spring 3 extends out is left, so that the effect of fixing the contact spring 3 is achieved.

Specifically, the plate-shaped structure 11 extends along the plate surface direction to form a boss 112, and the boss 112 is provided with a fixing hole 113.

Furthermore, the annular side wall 12 of the DC socket extends into the circuit board, the extended boss 112 of the plate-shaped structure 11 is parallel to the circuit board and is attached to the circuit board, and is riveted and fixed with the circuit board through the fixing hole 113 on the boss 112, so that the fixing effect is stable and simple.

Specifically, the inner wall of the annular side wall 12 is provided with two grooves, and the grooves are arranged oppositely.

Further, the fixing portion 32 of the contact spring 3 is attached to the inner wall of the annular side wall 12 and fixed through the groove, and the two grooves for fixing the contact spring 3 are oppositely arranged, so that the stress of the contact spring 3 is uniform, and the fixing effect is stable.

Specifically, the contact spring 3 is provided with a fixing portion 32, the fixing portion 32 is located between the connecting end 31 and the elastic contact end 33, and the fixing portion 32 is inserted into the groove.

Furthermore, the contact spring 3 is divided into three parts, namely an elastic contact end 33, a fixing part 32 and a connecting end 31, wherein the elastic contact end 33 is used for keeping elastic contact with a plug, the fixing part 32 is used for fixing the contact spring 3, and the connecting end 31 is directly connected and electrically connected with the circuit board.

Specifically, the elastic contact end 33 and the fixing portion 32 are bent at an acute angle.

Furthermore, the contact spring 3 extends into the inner cavity of the annular side wall 12, the elastic contact part is rolled back to form an acute angle with the fixing part 32, so that the elastic contact part is pressed and then leans against the fixing part 32, the elastic contact part rebounds after being separated from the pressing, and the acute angle between the elastic contact end 33 and the fixing part 32 is more easily inserted into the plug to play a guiding role.

In this embodiment, a DC socket establishes the link that extends metal strip and contact shell fragment through adding, makes the tie point lug connection on DC socket and the circuit board, no longer need accomplish the electricity of DC socket and circuit board through the welding conducting wire, makes this process can be accomplished through mechanical weld, no longer needs manual welding, has improved production efficiency when greatly using manpower sparingly cost.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (6)

1. A DC outlet, comprising:

the socket comprises a socket body (1), wherein the socket body (1) is provided with a plate-shaped structure (11) and an annular side wall (12) formed by outwards extending the plate-shaped structure (11);

a cover (4), said cover (4) resting against a side of said plate-like structure (11) remote from said annular lateral wall (12);

an elongated metal strip (5);

the socket central needle (2) is positioned in the inner cavity of the annular side wall (12), and one end of the socket central needle (2) penetrates through the plate-shaped structure (11) and the cover body (4) and is connected with the extension metal strip (5);

the socket comprises a contact spring (3), wherein the contact spring (3) is installed on a socket body (1), one end of the contact spring is a connecting end (31), the other end of the contact spring is an elastic contact end (33), the elastic contact end (33) is located in an inner cavity of an annular side wall (12), and the connecting end (31) is located outside the annular side wall (12).

2. A DC outlet according to claim 1, wherein: the plate-shaped structure (11) is provided with a notch (111), and the notch (111) is communicated with the interior of the annular side wall (12).

3. A DC outlet according to claim 1, wherein: the plate-shaped structure (11) extends along the plate surface direction to form a boss (112), and the boss (112) is provided with a fixing hole (113).

4. A DC outlet according to claim 1, wherein: the inner wall of the annular side wall (12) is provided with two grooves which are oppositely arranged.

5. A DC outlet according to claim 4, wherein: the contact spring piece (3) is provided with a fixing part (32), the fixing part (32) is located between the connecting end (31) and the elastic contact end (33), and the fixing part (32) is inserted into the groove.

6. A DC outlet according to claim 5, wherein: the elastic contact end (33) and the fixing part (32) are bent at an acute angle.

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