CN217691759U - Small-spacing plate end connector - Google Patents

Abstract

A small-spacing plate end connector comprises a plastic main body, a contact terminal and a grounding soldering lug; the plastic main body is concavely provided with an inserting cavity; the contact terminals are arranged side by side at equal intervals and are vertically inserted into the plastic main body, each contact terminal is provided with a contact part and a welding part, each contact part is of a U-shaped structure, each contact part extends into the corresponding insertion cavity, and each welding part extends out of the plastic main body; the distance between two adjacent contact terminals is more than or equal to 0.5mm and less than or equal to 2.0mm; the two grounding welding sheets are symmetrically arranged on the left side and the right side of the plastic rubber main body; the utility model realizes double-sided contact between the line end terminal and the contact terminal, thereby ensuring the electrical contact between the line end terminal and the contact terminal, avoiding the problem of circuit break, and having high reliability when used in severe environment scenes; the space between the contact terminals is set to be more than or equal to 0.5mm and less than or equal to 2.0mm, the size of the plate end connector is reduced, the installation and use scenes of some small electrical equipment are adapted, and the use scene range is expanded.

Description

Small-spacing plate end connector

Technical Field

The utility model relates to a connector technical field especially relates to a booth is apart from board end connector.

Background

In order to realize electrical conduction between the cable and the PCB, an end connector is generally mounted on the PCB, a line end connector is mounted on the cable, and the electrical connection between the cable and the PCB is realized by using the plug-in connection between the end connector and the line end connector.

The contact terminal of current board end connector carries out electric connection for the single face contact with the line terminal of line end connector, however, when appearing when using under adverse circumstances scene such as vibrations, there is the phenomenon that open circuit appears in contact terminal and line terminal, and structural reliability is lower, and the interval between the contact terminal of current board end connector simultaneously is great, makes the volume of board end connector great, and the installation that is not suitable for some small electrical equipment uses the scene.

Disclosure of Invention

An object of the utility model is to overcome above shortcoming, provide a booth apart from board end connector.

In order to achieve the above purpose, the specific scheme of the utility model is as follows:

a small-spacing plate end connector comprises a plastic main body, a contact terminal and a grounding soldering lug;

the front end surface of the plastic main body is inwards provided with an inserting cavity;

the contact terminals are arranged side by side at equal intervals and are vertically inserted into the plastic main body, each contact terminal is provided with a contact part and a welding part, the contact parts are of U-shaped structures, the contact parts extend into the insertion cavity, and the welding parts extend out of the plastic main body; the distance between two adjacent contact terminals is more than or equal to 0.5mm and less than or equal to 2.0mm;

two the ground connection soldering lug symmetry sets up the left and right sides at the plastic main part.

The utility model discloses furtherly, the interior roof of contact site is equipped with first arc convex part at the downward protruding open position.

The utility model discloses furtherly, first arc convex part is equipped with the direction inclined plane.

The utility model discloses further, the interior diapire of contact site is equipped with second arc convex part near opening bottom position epirelief.

The utility model discloses furtherly, grafting intracavity's interior roof and interior bottom wall correspond the contact site respectively and seted up the spacing recess of direction.

The utility model discloses furtherly, the knot hole has been seted up on the plastic main part, it can carry out the hasp portion of interlocking with the terminal connector cooperation to detain downthehole being equipped with.

The utility model discloses furtherly, the bottom surface of plastic main part, contact terminal, ground connection soldering lug is located the coplanar.

The utility model discloses further, the plastic main part is made by high temperature resistant micelle.

The utility model discloses furtherly, the fool-proof notch has all been seted up to the both sides in grafting chamber.

The utility model discloses further, the periphery in the open position in grafting chamber is equipped with the chamfer structure that is convenient for the line end connector to insert in the grafting chamber.

The utility model has the advantages that: the utility model discloses a contact site setting of contact terminal is the U structure, thus when plugging, the line terminal of line end connector can carry out two-sided contact with the contact terminal, thereby guarantees the electrical contact between line terminal and the contact terminal, avoids the problem of circuit breaking to when using under adverse circumstances scene, the reliability is high; meanwhile, the distance between the contact terminals is set to be more than or equal to 0.5mm and less than or equal to 2.0mm, the size of the plate end connector is reduced, the installation and use scenes of some small electrical equipment are adapted, and the use scene range of the plate end is expanded.

Drawings

Fig. 1 is a perspective view provided by an embodiment of the present invention;

fig. 2 is a perspective view of another perspective provided by the embodiment of the present invention;

fig. 3 is a schematic cross-sectional view provided by an embodiment of the present invention;

fig. 4 is a perspective view of a contact terminal provided by an embodiment of the present invention;

description of the reference numerals: 1. a plastic body; 11. an insertion cavity; 12. a guide limit groove; 13. buckling holes; 14. a locking part; 15. a fool-proof notch; 16. a chamfering structure; 2. a contact terminal; 21. a contact portion; 22. welding the part; 23. a first arcuate projection; 24. a guide slope; 25. a second arcuate projection; 3. and a grounding lug.

Detailed Description

The following detailed description of the present invention, taken in conjunction with the accompanying drawings and specific examples, is not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the small-pitch plate terminal connector of the present embodiment includes a plastic body 1, a contact terminal 2 and a ground pad 3;

the front end surface of the plastic main body 1 is inwards provided with an inserting cavity 11; the plurality of contact terminals 2 are arranged side by side at equal intervals and are vertically inserted into the plastic main body 1, each contact terminal 2 is provided with a contact part 21 and a welding part 22, the contact part 21 is in a U-shaped structure, namely the contact part 21 is provided with a U-shaped opening, the contact part 21 extends into the insertion cavity 11, and the welding part 22 extends out of the plastic main body 1; the distance between two adjacent contact terminals 2 is greater than or equal to 0.5mm and less than or equal to 2.0mm, preferably, the distance between two adjacent contact terminals 2 may be 0.5mm, or 1.25mm, or 2.0mm; the two grounding welding sheets 3 are symmetrically arranged on the left side and the right side of the plastic main body 1.

During the in-service use, the welding part 22 of contact terminal 2 welds on the PCB board, in order to realize that line end connector switches on with the electricity of PCB board, play the effect of fixed plate end connector simultaneously, ground connection soldering lug 3 welds on the PCB board, in order to realize board end connector fixed mounting on the PCB board, when line end connector inserts in grafting chamber 11, line end terminal of line end connector inserts in the U-shaped opening of contact terminal 2, the interior top surface and the interior ground surface of the U-shaped opening of contact terminal 2 all with line end terminal electric contact this moment, form two-sided contact, guarantee the electric contact between line end terminal and the contact terminal 2, the problem of avoiding appearing breaking, high reliability, simultaneously on the basis that contact terminal 2 forms two-sided contact, reduce the interval of contact terminal 2 to be more than or equal to 0.5mm and less than or equal to 2.0mm, reduce the volume of board end connector, in order to adapt to some small electrical equipment's installation use scenes, the use scene scope of board end has been expanded.

Based on the above embodiment, further, the inner top wall of the contact portion 21 is provided with a first arc-shaped convex portion 23 protruding downward at the opening position. In the embodiment, the first arc-shaped convex part 23 is arranged to press the line end terminal of the line end connector, so that the line end terminal is kept in the U-shaped opening of the contact terminal 2, thereby ensuring the electrical contact between the contact terminal 2 and the line end terminal, effectively avoiding the phenomenon of circuit breaking and ensuring more reliable structural use; meanwhile, the first arc-shaped convex part 23 can also play a certain locking role on the line end terminal, so that the line end terminal is prevented from loosening.

Based on the above embodiment, further, the first arc-shaped convex portion 23 is provided with a guiding inclined surface 24. In the embodiment, the guide inclined surface 24 is arranged, so that the line end terminal of the line end connector can be inserted into the U-shaped opening of the contact terminal 2 more conveniently, and the insertion is smoother.

Based on the above embodiment, further, the inner bottom wall of the contact portion 21 is provided with a second arc-shaped convex portion 25 protruding upward near the bottom of the opening. This embodiment is through setting up second arc convex part 25, strengthens the bonding strength between contact terminal 2 and the plastic main part 1 for contact terminal 2 installs more firmly on plastic main part 1, effectively avoids contact terminal 2 to appear the aversion phenomenon when pegging graft, and the structure uses more reliably.

Based on the above embodiment, further, the inner top wall and the inner bottom wall of the plugging cavity 11 are respectively provided with a guiding and limiting groove 12 corresponding to the contact portion 21. This embodiment is through setting up direction spacing recess 12 to contact terminal 2's installation utilizes direction spacing recess 12 to carry on spacingly to contact terminal 2 simultaneously, avoids contact terminal 2 to appear the phenomenon of skew about in the use, and the structure uses more reliably.

Based on the above embodiment, further, a buckle hole 13 is formed in the plastic body 1, and a lock catch portion 14 capable of being matched with the wire end connector for interlocking is arranged in the buckle hole 13. Specifically, hasp portion 14 is a convex structure, correspondingly, corresponds to set up on the line end connector and detains the position, when inserting, utilizes convex structure and detains the position cooperation and carry out the interlocking for grafting between line end connector and the board end connector is more firm, and the shock resistance is better.

Based on the above embodiment, further, the bottom surfaces of the plastic main body 1, the contact terminals 2 and the grounding lugs 3 are located on the same plane. This embodiment all sets up on the coplanar through the bottom surface with plastic main part 1, contact terminal 2, ground connection soldering lug 3 to on steadily arranging the board end connector in the PCB board, in high temperature SMT welding, the roughness is a plane, is favorable to the stability of board end connector function, avoids product welding slope and leads to the functional failure.

Based on the above embodiments, further, the plastic body 1 is made of high temperature resistant rubber particles. This embodiment is through the plastic main part 1 that adopts high temperature resistant glue grain to after high temperature SMT welding, 1 non-deformable of plastic main part, the combination between plastic main part 1 and contact terminal 2, ground connection soldering lug 3 is more stable.

Based on the above embodiment, furthermore, fool-proof notches 15 are formed on both sides of the insertion cavity 11. This embodiment is through setting up prevent slow-witted notch 15, prevents that the terminal connector from inserting when opposite directions, and the structure uses more safely, reliably.

Based on the above embodiment, further, a chamfer structure 16 is provided at the periphery of the opening position of the plugging cavity 11 to facilitate the insertion of the wire end connector into the plugging cavity 11. In the embodiment, the chamfer structure 16 is arranged at the opening position of the plugging cavity 11, so that the line end connector can be more smoothly plugged into the plugging cavity 11 during opposite plugging, and the operation is more convenient.

The above is only a preferred embodiment of the present invention, so all equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the scope of the present invention.

Claims (10)

1. A small-spacing plate end connector is characterized by comprising a plastic main body (1), a contact terminal (2) and a grounding soldering lug (3);

the front end surface of the plastic main body (1) is inwards provided with an inserting cavity (11) in a concave manner;

the contact terminals (2) are arranged side by side at equal intervals and are vertically inserted into the plastic main body (1), each contact terminal (2) is provided with a contact part (21) and a welding part (22), the contact parts (21) are U-shaped structures, the contact parts (21) extend into the insertion cavity (11), and the welding parts (22) extend out of the plastic main body (1); the distance between two adjacent contact terminals (2) is more than or equal to 0.5mm and less than or equal to 2.0mm;

the two grounding welding sheets (3) are symmetrically arranged on the left side and the right side of the plastic rubber main body (1).

2. A small space plate end connector according to claim 1, wherein the inner top wall of the contact portion (21) is provided with a first arc-shaped protrusion (23) protruding downward at the opening position.

3. A small gap plate end connector according to claim 2 wherein the first arcuate projection (23) is provided with a guide ramp (24).

4. A small pitch plate end connector according to claim 1 wherein the inner bottom wall of said contact portion (21) is provided with a second arcuate projection (25) projecting upwardly at a position adjacent the bottom of the opening.

5. The small-spacing plate end connector according to claim 1, characterized in that the inner top wall and the inner bottom wall of the plugging cavity (11) are respectively provided with a guide limit groove (12) corresponding to the contact part (21).

6. The small-spacing plate end connector according to claim 1, wherein the plastic body (1) is provided with a fastening hole (13), and a locking part (14) which can be matched with the wire end connector for interlocking is arranged in the fastening hole (13).

7. The connector as claimed in claim 1, wherein the bottom surfaces of the plastic body (1), the contact terminal (2) and the ground pad (3) are located on the same plane.

8. A small-pitch plate end connector according to claim 1, wherein the plastic body (1) is made of high temperature resistant glue particles.

9. The small-spacing plate end connector according to claim 1, wherein foolproof notches (15) are formed in two sides of the plugging cavity (11).

10. A small space plate end connector according to claim 1, characterized in that the periphery of the opening of the plug cavity (11) is provided with a chamfer structure (16) for facilitating the insertion of the wire end connector into the plug cavity (11).

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