CN216529442U

CN216529442U - Power line end connector with improved welding structure

Info

Publication number: CN216529442U
Application number: CN202123233319.3U
Authority: CN
Inventors: 钱程锦
Original assignee: Jiangsu Lewinsh Electronic Technology Co ltd
Current assignee: Jiangsu Lewinsh Electronic Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-13
Anticipated expiration: 2031-12-21

Abstract

The utility model provides a power line end connector with an improved welding structure, which comprises an insulating body, a plurality of terminals accommodated in the insulating body and cables connected with the terminals, wherein each terminal is provided with a U-shaped main body part, a flat contact part extending forwards from the main body part and a wiring part covering the upper part of the main body part, the main body part is provided with a pair of side arms arranged oppositely, and the wiring part transversely extends from one side of the main body part to the other side and covers an interval space between the pair of side arms. Compared with the prior art, the power line end connector has the advantages that the structure of the terminal is improved, the wiring part is bent above the main body part of the terminal to bear a cable, so that the installation position of the cable can be flexibly adjusted only by changing the bending height of the wiring part in production, the effects of flexible wiring and space saving are realized, and the power line end connector meets the use requirements in different scenes.

Description

Power line end connector with improved welding structure

Technical Field

The utility model relates to the field of electrical connection, in particular to a power line end connector.

Background

With the development trend of miniaturization and lightness of consumer electronic products such as notebook computers, tablet computers, mobile phones and the like, the requirements on the design and manufacturing process of parts of the consumer electronic products are higher and higher, and as the products are lighter and thinner, the internal space of the consumer electronic products is very narrow, so that the requirement that the internal parts of the consumer electronic products are required to adopt a dense layout is met, the volume of each electronic part is smaller and thinner, and the requirements on the reliability of the manufacturing process and the connection of the consumer electronic products are higher and higher. Taking a power line end connector as an example, the power line end connector comprises an insulating body, a metal terminal accommodated in the insulating body and a cable connected to the metal terminal, wherein the transmission performance of the whole power line end connector is directly affected by the connection reliability between the cable and the metal terminal. In addition, for a flat welding part, the welding area between the welding part and the wire core is not maximized, and the welding force provided by the welding part is limited.

In view of the above, there is a need for an improved power line connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power line terminal connector with an improved welding structure, so as to solve at least one of the problems that the cable position cannot be flexibly adjusted, the welding force needs to be improved and the like in the prior art.

In order to achieve the above object, the present invention provides a power line terminal connector with an improved welding structure, including an insulating body, a plurality of terminals housed in the insulating body, and cables connected to the terminals, wherein the terminals are provided with a U-shaped main body portion, a flat contact portion extending forward from the main body portion, and a wiring portion covering above the main body portion, the main body portion is provided with a pair of side arms arranged oppositely, and the wiring portion extends laterally from one side of the main body portion toward the other side and covers a space between the pair of side arms.

As a further improvement of the present invention, the wire connecting portion is bent from the top edge of one side arm toward the other side arm and extends laterally beyond the other side arm to form an outer side edge protruding outward from the main body portion.

As a further improvement of the present invention, the wire connecting portion is in the shape of a sheet, and the upper surface thereof is recessed downward to form a groove for accommodating the cable, the groove extending in the length direction of the cable.

As a further improvement of the utility model, the main body part is further provided with a fixed arm, the fixed arm is integrally connected with the bottoms of the pair of side arms, and the pair of side arms, the fixed arm and the wiring part together form a frame-shaped structure.

As a further improvement of the present invention, one side of the wire connecting portion is integrally connected to one side arm of the main body portion, and the other side is crimped to the other side arm of the main body portion.

As a further improvement of the present invention, the outer surface of the contact portion is provided with at least one positioning portion protruding outward in the transverse direction to be held in the insulating body.

As a further improvement of the utility model, the insulating body is provided with a top wall, a bottom wall and a pair of end walls, one side of the top wall is provided with an installation gap for installing the terminal and the cable, and the installation gap is internally provided with a plurality of barriers and installation grooves distributed between two adjacent barriers; the partition fence extends along the front-back direction and is step-shaped, and is provided with a base station and a top station protruding upwards from the base station.

As a further improvement of the present invention, the top platform is higher than the base platform, and a step part is formed on one side surface of the top platform, and the step part is located in the installation groove and is located right below the outer side edge of the wire connecting part.

As a further improvement of the present invention, a butt-joint notch is formed right below the top wall, a plurality of elongated ribs protruding into the butt-joint notch are arranged on the bottom surface of the top wall, the ribs correspond to the contact portions one to one, and the top edge of the contact portion abuts against the ribs.

As a further improvement of the utility model, the contact part comprises two sheet-shaped contact arms which are arranged back to back in a closed manner, the bottom edges of the two contact arms are integrally connected, and the top edges of the two contact arms are arranged side by side in a flush manner and are upwards abutted against the convex rib.

The utility model has the beneficial effects that: the power line end connector with the improved welding structure is bent above the main body part of the terminal to form the wiring part for bearing the cable by improving the structure of the terminal, so that the installation position of the cable can be flexibly adjusted by only changing the bending height of the wiring part in production, the effects of flexible wiring and space saving are realized, and the power line end connector is suitable for use requirements under different scenes.

Drawings

Fig. 1 is a combination view of a power source line terminal connector according to the present invention having an improved welding structure.

Fig. 2 is a partially exploded view of a power terminal connector according to the present invention having an improved welding structure.

Fig. 3 is a schematic view of a terminal of a power line terminal connector having an improved soldering structure according to the present invention before installation of a cable.

Fig. 4 is a schematic view of a power line terminal connector having an improved soldering structure according to the present invention after the terminal and the cable are mounted.

Fig. 5 is a schematic view illustrating the assembly of the terminal and the insulating body of the power line terminal connector with the improved welding structure according to the present invention.

Fig. 6 is a schematic view of a power line terminal connector according to the present invention having an improved soldering structure with its terminal bottom surface facing upward.

Fig. 7 is a schematic view of a power terminal connector of the present invention with an improved soldering structure, with the bottom surface facing upward.

Fig. 8 is a schematic view of a power line terminal connector according to the present invention with an improved soldering structure, with the bottom surface of the insulator facing upward.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The present invention is not limited to the embodiment, and structural, methodological, or functional changes made by one of ordinary skill in the art according to the embodiment are included in the scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a power line terminal connector 100 with an improved soldering structure, which includes an insulating body 10, a metal shell 20 covering the insulating body 10, a plurality of terminals 30 housed in the insulating body 10, and a cable 40 connected to the terminals 30, wherein the power line terminal connector is used for electrically plugging with a mating end electrical connector, and the cable 40 is in signal conduction with the mating end electrical connector through the terminals 30.

The insulating body 10 is elongated and has a top wall 110, a bottom wall 120 and a pair of end walls 130, the top surface of the top wall 110 is flush with the top surfaces of the pair of end walls 130, wherein one side of the top wall 110 is provided with a mounting notch 140 recessed downward for mounting the terminal 30 and the cable 40, the mounting notch 140 is located between the pair of end walls 130 and the bottom wall 120, so that the top wall 110 and the pair of end walls 130 form a U-shaped structure, the top surface of the top wall 110 is further provided with an upward protruding surrounding edge 111, the surrounding edge 111 surrounds the edge of the mounting notch 140, and the mounting notch 140 is provided with a plurality of equally spaced barriers 141 and a mounting groove 142 located between two adjacent barriers 141, the barriers 141 protrude upward from the bottom wall 120 and are integrally connected with the bottom wall 120 and the top wall 110 for isolating a plurality of terminals 30, the partition 141 extends in the front-rear direction and is stepped, and is provided with a base 143 and a top platform 144 protruding upward from the base 143, as shown in fig. 5, the top platform 144 is higher than the base 143, and a step portion 145 is formed on a side surface of the top platform 144, and the step portion 145 is located in the mounting groove 142 and directly below the wire connecting portion 31, and is used for supporting one side of the wire connecting portion 31 of the terminal 30 or at least providing an escape space for an outer side 332 protruding upward from the wire connecting portion 31, so that the terminal 30 can be conveniently mounted in the mounting groove 142. In addition, a butt-joint notch 150 is formed at the lower side of the top wall 110, for accommodating the contact portion 32 of the terminal 30, and for butt-joint with a butt-joint end electrical connector, the butt-joint notch 150 and the installation notch 140 are respectively located at the front and rear sides of the insulating body 10, the middle of the two is separated by a middle partition wall 160, the bottom surface of the top wall 110 is provided with a plurality of elongated ribs 112 protruding into the butt-joint notch 150, the ribs 112 are arranged at equal intervals, and the ribs 112 extend along the front and rear direction and correspond to the contact portions 32 of the terminal 30 one by one, as shown in fig. 7 and 8, the ribs 112 abut against the top edges of the two contact arms 321. The bottom surface of the bottom wall 120 is provided with a plurality of protrusions 121 disposed toward the mating end electrical connector. The pair of end walls 130 are integrally connected to the bottom wall 120 and the top wall 110, and the end walls 130 are located at left and right sides of the installation notch 140.

The metal shell 20 is provided with a top cover 21 and a pair of end covers 22, the top cover 21 covers the surface of the top wall 110 of the insulating body 10, the end covers 22 cover the surfaces of the pair of end walls 130 of the insulating body 10, wherein the top cover 21 is provided with a pair of through holes 23 and spring pieces 24 formed in the through holes 23, a U-shaped hook 25 is formed at the bottom of the end cover 22, and as shown in fig. 7, the U-shaped hook 25 clamps the bottom side of the end wall 130 of the insulating body 10.

The plurality of terminals 30 are inserted into the insulating body 10 from back to front and inserted into the mounting grooves 142 between the barriers 141, so as to achieve the mutual fixed positioning with the insulating body 10, the terminals 30 are provided with a U-shaped main body portion 31, a contact portion 32 extending from the main body portion 31 to front, and a wire connecting portion 33 bent from the top edge of the main body portion 31, the wire connecting portion 33 extends from one side of the main body portion 31 to the other side in the transverse direction and covers the spacing space between a pair of side arms 311, so that the wire connecting portion 33 covers the U-shaped main body portion 31, and the U-shaped main body portion 31 and the wire connecting portion 33 together enclose a closed frame-shaped structure (or a square-shaped structure).

The main body 31 is provided with a pair of side arms 311 and a fixing arm 312 integrally connected to the bottom of the side arms 311, the side arms 311 are parallel to each other and form a slit 313 therebetween, and the fixing arm 312 is integrally connected to the bottom edges of the side arms 311, so as to clamp the terminal 30 in the mounting groove 142 and realize clamping and positioning with the partition 141. An opening 314 is formed on the side arm 311, the fixing arm 312 is provided with a pair of clamping pieces 315 extending horizontally outwards, and the clamping pieces 315 are located in the opening 314 and are used for clamping and fixing with the partition 141.

The contact portion 32 is in a flat plate shape and comprises two sheet-shaped contact arms 321 which are arranged back to back in a closed manner, the bottom edges B of the two contact arms 321 are integrally connected and face the butt end electric connector (the bottom edges B are relatively smooth and convenient to plug), the top edges T of the two contact arms 321 are arranged side by side and flush and upwards butt against the convex rib 112, at least one positioning portion 322 which protrudes outwards along the transverse direction is arranged on the outer surface of each contact arm 321 and used for being clamped in the insulating body 10, so that the contact portion 32 and the insulating body 10 are fixedly positioned, the two contact arms 321 are respectively connected with the pair of side arms 311 integrally, the two contact arms respectively extend out along the front ends of the side arms 311, a pair of linking arms 323 are arranged between the two side arms, and the linking arms 323 are integrally connected with the contact arms 321 and the side arms 311.

The wire connecting portion 33 is in a sheet shape and covers the slit 313, and the wire connecting portion 33 is bent from the top edge of one side arm 311 and extends transversely toward the other side arm 311, and is used for carrying the cable 40 and realizing fixation and contact with the core 41 of the cable 40. The upper surface of the wire connecting portion 33 is recessed downward to form a recess 331, and the recess 331 extends along the length direction of the cable 40 for accommodating the wire core 41 of the cable 40. It should be noted that the wire connecting portion 33 is provided with an outer side 332, the outer side 332 protrudes outward from the main body portion 31, and the outer side 332 is placed on the step portion 145. It should be noted that the flexibility of the position of the cable 40 can be greatly improved due to the existence of the wire connection portion 33, and the wire connection portion 33 is essentially a bending piece, and the position of the bending piece can be flexibly adjusted as required in the production process so as to change the height of the wire connection portion 33.

In summary, in the power line terminal connector 100 with the improved soldering structure, the structure of the terminal 30 is improved, and the wiring portion 33 is bent above the main body portion 31 of the terminal 30 to receive the cable 40, so that the installation position of the cable 40 can be flexibly adjusted by changing the height of the wiring portion 33, and the effects of flexible wiring and space saving are achieved, so as to meet the use requirements in different scenes.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a power cord end connector with modified welded structure, includes insulator, accepts a plurality of terminals in insulator and the cable of being connected with a plurality of terminals, its characterized in that: the terminal is provided with a U-shaped main body part, a flat contact part extending forwards from the main body part and a wiring part covering the upper part of the main body part, the main body part is provided with a pair of side arms arranged oppositely, and the wiring part transversely extends from one side of the main body part to the other side and covers an interval space between the side arms.

2. The power supply line terminal connector with improved welding structure as set forth in claim 1, wherein: the wire connecting portion is bent from the top edge of one side arm to the other side arm and extends transversely beyond the other side arm to form an outer side edge protruding outward from the main body portion.

3. The power supply terminal connector with improved welding structure as set forth in claim 2, wherein: the wiring portion is sheet-shaped, and the upper surface thereof is sunken downwards to form a groove for accommodating the cable, and the groove extends along the length direction of the cable.

4. The power supply terminal connector with improved welding structure as set forth in claim 3, wherein: the main body part is also provided with a fixed arm which is integrally connected with the bottoms of the pair of side arms, and the pair of side arms, the fixed arm and the wiring part form a frame structure together in an enclosing way.

5. The power supply terminal connector with improved welding structure as set forth in claim 4, wherein: one side of the wire connecting part is integrally connected with one side arm of the main body part, and the other side of the wire connecting part is pressed on the other side arm of the main body part.

6. The power supply line terminal connector with improved welding structure as set forth in any one of claims 1 to 5, wherein: the outer surface of the contact part is provided with at least one positioning part which protrudes outwards along the transverse direction and is clamped in the insulating body.

7. The power supply terminal connector with improved welding structure as set forth in claim 2, wherein: the insulating body is provided with a top wall, a bottom wall and a pair of end walls, one side of the top wall is provided with an installation gap for installing the terminal and the cable, and a plurality of partition columns and installation grooves distributed between every two adjacent partition columns are arranged in the installation gap; the partition fence extends along the front-back direction and is step-shaped, and is provided with a base station and a top station protruding upwards from the base station.

8. The power supply terminal connector with improved welding structure as set forth in claim 7, wherein: the top platform is higher than the base platform, just a side surface of top platform is formed with a step portion, the step portion is located in the mounting groove and is located under the outside limit of wiring portion.

9. The power supply terminal connector with improved welding structure as set forth in claim 8, wherein: a butt joint notch is formed right below the top wall, a plurality of elongated convex ribs protruding into the butt joint notch are arranged on the bottom surface of the top wall, the convex ribs correspond to the contact parts one to one, and the top edges of the contact parts are abutted to the convex ribs.

10. The power supply terminal connector with improved welding structure as set forth in claim 9, wherein: the contact part comprises two sheet-shaped contact arms which are arranged back to back in a closed mode, the bottom edges of the two contact arms are integrally connected, and the top edges of the two contact arms are arranged side by side in a flush mode and abut against the convex ribs upwards.