CN214505825U

CN214505825U - DC power socket

Info

Publication number: CN214505825U
Application number: CN202120838768.1U
Authority: CN
Inventors: 戴加强; 何春林; 张鹏
Original assignee: Wenzhou Hanjing Electronics Co ltd
Current assignee: Wenzhou Hanjing Electronics Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-10-26
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a DC power socket, which comprises a base and a rear cover arranged at one end of the base, wherein the other end of the base is provided with a jack, a round needle and a reed are arranged in the jack, the reed is provided with a negative terminal extending out of the base, the rear end of the round needle is connected with a flat sheet on the rear cover, the upper end surface of the base is provided with a platform, so that a product can be easily sucked up by a negative pressure type manipulator and placed on a PCB board through an automatic machine, thereby realizing efficient automatic production, the rear cover is provided with a positioning groove for positioning the flat sheet, the inner end of the positioning groove is provided with a round groove, the diameter of the round groove is larger than the width of the positioning groove, one end of the flat sheet is provided with a round ring part matched with the round groove, the rear end of the round needle is provided with an annular boss and a riveting head, the annular boss is abutted against the inner wall of the base, the riveting head extends out of the rear cover and is riveted after being spliced with the round ring part, even if the base expands with heat and contracts with cold, the connection of the flat sheet and the round needle cannot be influenced.

Description

DC power socket

Technical Field

The utility model relates to a supply socket especially relates to a DC supply socket.

Background

The DC power socket is widely used in various electric appliance fields. The structure includes: the base, set up the back lid in base one end, the base other end is equipped with the jack, be equipped with round needle, reed in the jack. The reed is provided with a leading-out end (namely a negative terminal) extending out of the base, and the rear end of the round needle is connected with the flat piece (namely a positive terminal). There are disadvantages in that: because the flat sheet is directly riveted on the smooth round needle and is supported and fixed by the surface of the rear cover, when the flat sheet is welded or a product is used, the base expands with heat and contracts with cold due to the rise of temperature, and further the flat sheet loosens and the round needle is in poor contact.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a connect more stable DC supply socket.

The utility model provides a technical scheme that its technical problem adopted: a DC power socket comprises a base and a rear cover arranged at one end of the base, wherein the other end of the base is provided with a jack, a round needle and a reed are arranged in the jack, the reed is provided with a negative terminal extending out of the base, the rear end of the round needle is connected with the flat sheet on the rear cover, the upper end surface of the base is provided with a platform, the rear cover is provided with a positioning groove for positioning the flat sheet, the inner end of the positioning groove is provided with a round groove, the diameter of the round groove is larger than the width of the positioning groove, one end of the flat sheet is provided with a circular ring part matched with the circular groove, the other end of the flat sheet is provided with a positive terminal extending out of the positioning groove, the width of the positive terminal is smaller than that of the flat sheet, the rear end of the round needle is provided with an annular boss and a rivet joint, the annular boss abuts against the inner wall of the base, and the rivet joint extends out of the rear cover and is riveted after being spliced with the annular part.

In order to further perfect, the reed includes that the shell fragment is drawn forth to the negative pole and ground connection bent piece, the shell fragment integration is drawn forth with the negative pole to the negative pole wiring end, ground connection bent piece is pegged graft in the first slot of base rear end, and is equipped with the arc portion that is used for the location on the ground connection bent piece, the base rear end is equipped with the U-shaped groove, be equipped with on the back lid with the depression bar that the U-shaped groove suits, the negative pole wiring end is followed the U-shaped inslot stretches out the base, and pass through the depression bar compresses tightly fixedly to the installation and the fixing of realization to the negative pole wiring end.

Further perfection, the other end that the shell fragment was drawn forth to the negative pole is equipped with the overlap joint board that is used for with the contact of ground connection bent piece, is equipped with the contact bump that forms through the punching press on the overlap joint board.

Further perfection, the position of the negative pole leading-out elastic sheet close to the negative pole wiring end is provided with a positioning hole.

Further perfection, a plurality of axial bar-shaped grooves are circumferentially distributed on the inner wall of the jack, raised elastic fixing strips are arranged in the bar-shaped grooves, and outward conical surfaces are arranged on the elastic fixing strips.

Further perfection, the oral area of jack is fixed with the solid fixed ring of elasticity, and the solid fixed ring's of elasticity hole diameter is less than the jack diameter, the outer end and the solid fixed ring integration fixed connection of elasticity fixed strip. And the annular boss is provided with an insulating bonding sheet.

The utility model discloses profitable effect is: the utility model discloses with plain film rear end riveting behind the circular slot that the riveting head of round needle rear end and back were covered, even the expend with heat and contract with cold of base, can not influence the plain film and be connected with the round needle yet. The upper end face of the base is provided with a platform, so that a product can be easily sucked up by a negative pressure type mechanical arm and placed on a PCB through an automatic machine, and efficient automatic production is realized.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic rear view of the present invention;

description of reference numerals: 1. the base, 11, jack, 12, the platform, 13, first slot, 14, U-shaped groove, 15, the bar groove, 2, the back lid, 21, the constant head tank, 22, the circular slot, 23, the depression bar, 3, the round pin, 31, annular bulge loop, 32, the riveted joint, 4, the reed, 41, negative terminal, 42, the negative draws the shell fragment, 421, the overlap joint board, 422, the contact bump, 423, the locating hole, 43, ground connection bent piece, 431, arc portion, 5, the plain film, 51, the circular ring portion, 52, positive terminal, 6, the elastic fixation strip, 7, the elastic fixation ring, 8, the insulating bonding strip.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

referring to figures 1-3: in the embodiment, the DC power socket comprises a base 1 and a rear cover 2 arranged at one end of the base 1, wherein the other end of the base 1 is provided with a jack 11, a round pin 3 and a reed 4 are arranged in the jack 11, the reed 4 is provided with a negative terminal 41 extending out of the base 1, the rear end of the round pin 3 is connected with a flat sheet 5 on the rear cover 2, and a platform 12 is arranged on the upper end face of the base 1, so that a product can be easily sucked up by a negative pressure type manipulator and placed on a PCB (printed circuit board) through an automatic machine, and efficient automatic production is realized. The rear cover 2 is provided with a positioning groove 21 for positioning the flat sheet 5, which can prevent the flat sheet 5 from moving left and right, the inner end of the positioning groove 21 is provided with a circular groove 22, the diameter of the circular groove 22 is larger than the width of the positioning groove 21, one end of the flat sheet 5 is provided with a circular ring part 51 matched with the circular groove 22, namely, the other end of the flat sheet 5 is provided with an anode terminal 52 extending out of the positioning groove 21, the width of the anode terminal 52 is smaller than the width of the flat sheet 5, the rear end of the round pin 3 is provided with an annular boss 31 and a rivet joint 32, the annular boss 31 is abutted against the inner wall of the base 1, the rivet joint 32 extends out of the rear cover 2 and is riveted after being spliced with the circular ring part 51, so that even if the base expands with heat and contracts with cold, the circular groove 22 can position the end part of the flat sheet, the connection between the circular ring part 51 of the flat sheet and the rivet joint 32 of the round pin is not affected, the reed 4 comprises a cathode leading-out elastic sheet 42 and a grounding bent sheet 43, the negative terminal 41 and the negative leading-out elastic sheet 42 are integrally connected, the grounding bent sheet 43 is inserted into the first slot 13 at the rear end of the base 1, the grounding bent sheet 43 is provided with an arc-shaped portion 431 for positioning, the rear end of the base 1 is provided with a U-shaped groove 14, the rear cover 2 is provided with a pressing rod 23 corresponding to the U-shaped groove 14, the negative terminal 41 extends out of the base 1 from the U-shaped groove 14 and is pressed and fixed through the pressing rod 23, and therefore the installation and the fixation of the negative terminal 41 are achieved. The grounding bent piece 43, the negative terminal 41 and the positive terminal 52 are fixed to the circuit board by soldering.

The other end of the negative pole leading-out elastic sheet 42 is provided with a lapping plate 421 used for being in contact with the grounding bent sheet 43, and the lapping plate 421 is provided with a contact salient point 422 formed by stamping, so that the grounding bent sheet 43 and the negative pole leading-out elastic sheet 42 can be stably contacted, the negative pole leading-out elastic sheet 42 has stronger elasticity, and the service life is longer. The negative leading-out elastic piece 42 is provided with a positioning hole 423 at a position close to the negative terminal 41, and the positioning hole 423 is fixedly connected with the salient point on the inner wall of the base, so that the negative leading-out elastic piece 42 can be better fixed and is not easy to loosen. A plurality of axial strip-shaped grooves 15 are circumferentially distributed on the inner wall of the jack 11, a raised elastic fixing strip 6 is arranged in each strip-shaped groove 15, an outward conical surface is arranged on each elastic fixing strip 6, and when a plug is inserted into the jack 11, the outer surface of the plug can be pressed by each elastic fixing strip 6, so that the plug is in interference fit with the jack 11, the connection is firmer, and the plug is not easy to fall off.

The oral area of jack 11 is fixed with elastic fixation ring 7, and elastic fixation ring 7's hole diameter is less than jack 11 diameter, the outer end and the 7 integration fixed connection of elastic fixation strip 6, elastic fixation ring 7 can further carry out interference sealing connection with the plug that inserts jack 11, improve the fastness of connecting, and elastic fixation ring 7 still has dustproof, waterproof effect, can improve the life-span of DC socket. The annular boss 31 is provided with an insulating adhesive sheet 8 which can adhere to the inner end of the plug, so that the connection stability of the plug is further improved.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a DC power socket, includes base (1), sets up back lid (2) in base (1) one end, base (1) other end is equipped with jack (11), be equipped with round needle (3) and reed (4) in jack (11), reed (4) have one and stretch out negative terminal (41) of base (1), flat piece (5) on round needle (3) rear end and the back lid (2) are connected characterized by: the upper end face of base (1) is equipped with a platform (12), it is right to be equipped with on back lid (2) be used for plain film (5) carry out the constant head tank (21) of fixing a position, and the inner of constant head tank (21) is equipped with circular slot (22), and the diameter of circular slot (22) is greater than the width of constant head tank (21), plain film (5) one end be equipped with circular slot (22) complex ring portion (51), the other end of plain film (5) is equipped with anodal wiring end (52) that stretch out constant head tank (21), and the width of anodal wiring end (52) is less than the width of plain film (5), round needle (3) rear end is equipped with annular boss (31) and rivet joint (32), annular boss (31) support in base (1) inner wall, rivet joint (32) stretch out back lid (2) and with rivet after circular portion (51) are pegged graft.

2. A DC power outlet according to claim 1, wherein: the reed (4) comprises a negative electrode leading-out elastic sheet (42) and a grounding bent sheet (43), the negative electrode terminal (41) and the negative electrode leading-out elastic sheet (42) are integrally connected, the grounding bent sheet (43) is inserted into a first slot (13) at the rear end of the base (1), an arc-shaped part (431) used for positioning is arranged on the grounding bent sheet (43), a U-shaped groove (14) is formed in the rear end of the base (1), a pressing rod (23) matched with the U-shaped groove (14) is arranged on the rear cover (2), the negative electrode terminal (41) is extended out of the U-shaped groove (14) and is pressed and fixed by the pressing rod (23) so as to realize the installation and fixation of the negative electrode terminal (41).

3. A DC power outlet according to claim 2, wherein: the other end of the negative electrode leading-out elastic sheet (42) is provided with a lapping plate (421) which is used for being in contact with the grounding bent sheet (43), and a contact salient point (422) formed by punching is arranged on the lapping plate (421).

4. A DC power outlet according to claim 3, wherein: and a positioning hole (423) is formed in the position, close to the negative terminal (41), of the negative leading-out elastic sheet (42).

5. A DC power outlet according to claim 4, wherein: a plurality of axial strip-shaped grooves (15) are circumferentially distributed on the inner wall of the jack (11), raised elastic fixing strips (6) are arranged in the strip-shaped grooves (15), and outward conical surfaces are arranged on the elastic fixing strips (6).

6. A DC power outlet according to claim 5, wherein: the oral area of jack (11) is fixed with elastic fixation ring (7), and the hole diameter of elastic fixation ring (7) is less than jack (11) diameter, the outer end and the fixed ring of elastic fixation (7) integration fixed connection of elastic fixation strip (6).

7. A DC power outlet according to claim 6, wherein: and the annular boss (31) is provided with an insulating bonding sheet (8).