CN211348369U

CN211348369U - Quick connection jig for metal conductor part of multi-strand plastic wire

Info

Publication number: CN211348369U
Application number: CN201922396900.3U
Authority: CN
Inventors: 张旭; 谢天承
Original assignee: Zhenjiang Beile Sitong Electronics Co ltd
Current assignee: Zhenjiang Beile Sitong Electronics Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-08-25
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a multi-strand plastic wire metal conductor part quick connection jig, which comprises a bottom plate, wherein a positioning groove for placing a PCB to be tested is arranged on the bottom plate, a first wire groove group corresponding to a first plastic wire group of the PCB is arranged on one side of the bottom plate along the positioning groove, and the bottom plate is provided with a second wire groove group corresponding to the second plastic wire group along the other side of the positioning groove, one end of the first wire groove group is communicated with the positioning groove, the other end of the first wire groove group is provided with a first elastic conductive electrode which can be electrically connected with the metal conductor part of the plastic wire, one end of the second wire groove group is communicated with the positioning groove, the other end of the second wire groove group is provided with a second elastic conductive electrode which can be electrically connected with the metal conductor part of the plastic wire, the first wire groove group is provided with a first upper cover plate pressing plate which can slide along the wire groove, and the second wire groove group is provided with a second upper cover plate pressing plate. The reliable connection of the contact points can be ensured by adopting the mode of combining the elastic conductive electrode and the upper cover plate pressing plate.

Description

Quick connection jig for metal conductor part of multi-strand plastic wire

Technical Field

The utility model relates to a stranded plastic electric wire metallic conductor part quick connect tool.

Background

In the production and processing process of electronic products, the PCB of the electronic products needs to be tested in a total number sometimes, when the number of electric wires of the PCB is large, the electric wires need to be connected quickly by means of a tool, generally, the electric wires adopt plastic electric wires, the end part of each plastic electric wire is provided with a section of metal wire head with 5-10 mm of stripped outer plastic skin, and the metal wire head is used as a metal conductor part and is connected to a corresponding circuit through a copper skin of the tool. Because the inner diameter of the plastic wire conductor is smaller than the outer diameter of the insulating plastic sheet, the reliable connection of contact points cannot be ensured by using a conventional copper sheet connection method, so that poor contact is caused, the misjudgment rate in product testing is increased, and even products are damaged.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a stranded plastic electric wire metal conductor part quick connect tool adopts the mode of elasticity conductive electrode and upper cover plate clamp plate combination can guarantee the reliable connection of contact point, avoids causing contact failure, improves product testing's rate of accuracy.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

a quick connection jig for a metal conductor part of a multi-strand plastic wire comprises a bottom plate, wherein a positioning groove for placing a PCB to be tested is arranged on the bottom plate, a first wire groove group corresponding to the first plastic wire group of the PCB is arranged on one side of the bottom plate along the positioning groove, and a second wire groove group corresponding to the second plastic wire group is arranged on the other side of the bottom plate along the positioning groove, one end of the first wire groove group is communicated with the positioning groove, and the other end is provided with a first elastic conductive electrode which can be electrically connected with the metal conductor part of the plastic wire, one end of the second wire groove group is communicated with the positioning groove, and the other end is provided with a second elastic conductive electrode which can be electrically connected with the metal conductor part of the plastic wire, the first wire groove group is provided with a first upper cover plate pressing plate capable of sliding along the wire grooves, and the second wire groove group is provided with a second upper cover plate pressing plate capable of sliding along the wire grooves.

Preferably, the first elastic conductive electrode and the second elastic conductive electrode are both conductive sponges.

Preferably, the first elastic conductive electrode and the second elastic conductive electrode are both high-elasticity copper sheets with elastic strength larger than 6N/mm.

Preferably, the upper surface of the high-elasticity copper sheet is provided with a cavity with a V-shaped cross section.

Preferably, a first sliding groove group is arranged on the bottom plate in parallel, a sliding block capable of moving along the first sliding groove group is arranged at the bottom of the first upper cover plate pressing plate, a second sliding groove group is arranged on the bottom plate in parallel, and a sliding block capable of moving along the second sliding groove group is arranged at the bottom of the second upper cover plate pressing plate.

Preferably, the first chute group is provided with a first positioning assembly, and the second chute group is provided with a second positioning assembly.

Preferably, the first positioning assembly and the second positioning assembly are magnets, and corresponding magnets are arranged on the first upper cover plate pressing plate and the second upper cover plate pressing plate.

Preferably, the bottoms of the first upper cover plate pressing plate and the second upper cover plate pressing plate are provided with cavities which can compress the plastic wires and have inverted V-shaped cross sections.

The utility model has the advantages that:

the utility model discloses a reliable connection of contact point can be guaranteed to the mode of elasticity conductive electrode and upper cover plate clamp plate combination, avoids causing contact failure, improves product test's rate of accuracy.

Drawings

FIG. 1 is a schematic structural view of a jig for quickly connecting metal conductors of multi-strand plastic wires according to the present invention;

FIG. 2 is a schematic view of the utility model in use;

fig. 3 is a schematic cross-sectional view of a compacted metal conductor portion of the present invention;

the reference numerals of the drawings have the following meanings:

1: a base plate; 2: positioning a groove; 3: a first set of chutes; 4: a second set of chutes; 5: a second positioning assembly; 6: a first positioning assembly; 7: a first set of slots; 8: a first elastic conductive electrode; 9: a second set of slots; 10: a second elastic conductive electrode; 11: a power supply PCB board; 12: a first plastic wire set; 13: a second set of plastic wires; 14: a second upper cover plate pressing plate; 15: the first upper cover plate pressing plate.

Detailed Description

The technical solution of the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

As shown in fig. 1-3, the multi-strand plastic wire and metal conductor part quick connection jig comprises a base plate 1, wherein a positioning groove 2 for placing a PCB to be tested is formed in the base plate 1, the shape of the positioning groove 2 corresponds to the shape of one or more PCBs to be tested, in order to improve the processing efficiency, a plurality of PCB jointed boards are generally processed and tested as a group, then, the jig can be set as a multi-station jig, and generally, the positioning groove 2 can accommodate 2-4 PCB jointed boards. In fig. 2, each power PCB 11 of the power board to be tested has a first plastic wire set (i.e. 2 input power wires at the left end), a second plastic wire set (i.e. 2 output power wires at the right end), and the left end of the first plastic wire set and the right end of the second plastic wire set are provided with exposed metal wire ends, and the 4 plastic wires need to be connected properly according to technical requirements respectively during testing, and then electrically tested again. In fig. 2, 4 power PCB boards 11 are taken as an integral power board to be tested, and the shape of the positioning groove 2 matches with the integral power board to be tested.

The bottom plate 1 is provided with a first wire groove group 7 corresponding to a first plastic wire group 12 of the PCB along one side (the left side in figure 1) of the positioning groove 2, and the bottom plate 1 is provided with a second wire groove group 9 corresponding to a second plastic wire group 13 along the other side (the right side in figure 1) of the positioning groove 2, the inner diameter of a plastic wire conductor is smaller than the outer diameter of an insulating plastic rubber, and the reliable connection of contact points cannot be ensured by using a conventional copper rubber connecting method. Therefore, in this structure, one end of the first slot set 7 is communicated with the positioning slot 2, and the other end is provided with a first elastic conductive electrode 8 capable of being electrically connected with the metal conductor part of the plastic wire, and correspondingly, one end of the second slot set 9 is communicated with the positioning slot 2, and the other end is provided with a second elastic conductive electrode 10 capable of being electrically connected with the metal conductor part of the plastic wire.

The first wire groove group 7 is provided with a first upper cover plate pressing plate 15 capable of sliding along the wire grooves, the second wire groove group 9 is provided with a second upper cover plate pressing plate 14 capable of sliding along the wire grooves, and the groove depth is 3-5 mm. Preferably, as shown in fig. 1, a first sliding groove group 3 is arranged in parallel on the bottom plate 1, a sliding block capable of moving along the first sliding groove group 3 is arranged at the bottom of the first upper cover pressing plate 15, correspondingly, a second sliding groove group 4 is arranged in parallel on the bottom plate 1, and a sliding block capable of moving along the second sliding groove group 4 is arranged at the bottom of the second upper cover pressing plate 14.

The upper cover plate pressing plate can be two independent cover plates, for example, as shown in fig. 2, a power supply plate to be tested is placed in a positioning groove of the tool, the roots of eight power lines on two sides of the power supply plate can respectively enter corresponding wire grooves, the first upper cover plate pressing plate 15 and the second upper cover plate pressing plate 14 are respectively held by hands and pushed to the tail end of each wire from the root of the power line of the power supply plate to be tested, the power lines can be respectively pressed and enter the wire grooves, and preferably, after the upper cover plate pressing plate is in place, the positioning can be realized through the first positioning component 6 arranged in the first sliding groove group 3 and the second positioning component 5 arranged in the second sliding groove group 4. For example, the first positioning assembly 6 and the second positioning assembly 5 are magnets, and the first upper cover plate pressing plate 15 and the second upper cover plate pressing plate 14 are provided with corresponding magnets, so that the operation is simple and convenient.

Preferably, the first elastic conductive electrode 8 and the second elastic conductive electrode 10 are both conductive sponges, the conductive resistance of the conductive sponges is less than 10m Ω/sq.in., the tensile strength is greater than 4N/20 mm, the elongation is greater than 35%, a power panel to be tested is taken as an example in fig. 2, a total test is required, the working current of the test product is 10mA, and the highest working voltage is 220V. The metal conductor part of the wire end is placed on the conductive sponge, the wire is compressed through the upper cover plate pressing plate, the conductive sponge has elasticity, and the deformation can reach 39%, so that the metal wire end can be reliably contacted with the conductive sponge, and the electrical property of the conductive sponge completely meets the test requirement.

Or, the first elastic conductive electrode 8 and the second elastic conductive electrode 10 are both made of high-elasticity copper sheets with elastic strength greater than 6N/mm, and preferably, a cavity with a V-shaped cross section is formed in the upper surface of each high-elasticity copper sheet. The conductive resistance of the plastic wire is less than 5m omega/in, the elastic strength is more than 6N/mm, the plastic wire end is placed on the high-elasticity copper sheet conductive electrode, the wire is pressed tightly through the upper cover plate pressing plate, the high-elasticity copper sheet structure is made into a V-shaped cavity, the elastic force is strong, the deformation can reach 50 percent, the reliable contact between the wire metal wire end and the high-elasticity copper sheet conductive electrode can be ensured, and the electrical property of the conductive electrode completely meets the test requirement.

Taking fig. 3 as an example, in order to compress a plurality of strands of plastic wires, preferably, the bottoms of the first upper cover pressing plate 15 and the second upper cover pressing plate 14 are provided with cavities with inverted V-shaped cross sections, which can compress the plastic wires, and each plastic wire is clamped by the inverted V-shaped cavities at the top and the bottom to realize reliable connection.

The utility model discloses a reliable connection of contact point can be guaranteed to the mode of elasticity conductive electrode and upper cover plate clamp plate combination, avoids causing contact failure, improves product test's rate of accuracy. In addition, the improved structure can realize the quick access of the circuit board connecting wire in place, shorten the wire connection time, improve the production efficiency and reduce the labor intensity.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings are utilized, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. A multi-strand plastic wire metal conductor part quick connection jig is characterized by comprising a bottom plate (1), wherein a positioning groove (2) for placing a PCB to be tested is formed in the bottom plate (1), a first wire groove group (7) corresponding to a first plastic wire group (12) of the PCB is arranged on one side of the bottom plate (1) along the positioning groove (2), a second wire groove group (9) corresponding to a second plastic wire group (13) is arranged on the other side of the bottom plate (1) along the positioning groove (2), one end of the first wire groove group (7) is communicated with the positioning groove (2), the other end of the first wire groove group is provided with a first elastic conductive electrode (8) capable of being electrically connected with a plastic wire metal conductor part, one end of the second wire groove group (9) is communicated with the positioning groove (2), and the other end of the second wire groove group is provided with a second elastic conductive electrode (10) capable of being electrically connected with the plastic wire metal conductor, the first wire groove group (7) is provided with a first upper cover pressing plate (15) capable of sliding along the wire grooves, and the second wire groove group (9) is provided with a second upper cover pressing plate (14) capable of sliding along the wire grooves.

2. The tool for quickly connecting the metal conductor parts of the multi-strand plastic wire as claimed in claim 1, wherein the first elastic conductive electrode (8) and the second elastic conductive electrode (10) are both conductive sponges.

3. The tool for rapidly connecting the metal conductor parts of the multi-strand plastic electric wire as claimed in claim 1, wherein the first elastic conductive electrode (8) and the second elastic conductive electrode (10) are both made of high-elasticity copper sheets with elastic strength greater than 6N/mm.

4. The jig for quickly connecting the metal conductor parts of a multi-strand plastic wire as claimed in claim 3, wherein the upper surface of the high-elasticity copper sheet is provided with a cavity with a V-shaped cross section.

5. The multi-strand plastic wire and metal conductor part quick connection jig as claimed in claim 1, wherein a first sliding groove group (3) is arranged on the bottom plate (1) in parallel, a sliding block capable of moving along the first sliding groove group (3) is arranged at the bottom of the first upper cover pressing plate (15), a second sliding groove group (4) is arranged on the bottom plate (1) in parallel, and a sliding block capable of moving along the second sliding groove group (4) is arranged at the bottom of the second upper cover pressing plate (14).

6. The multi-strand plastic wire and metal conductor part quick connection jig as claimed in claim 5, wherein the first slide groove set (3) is provided with a first positioning component (6), and the second slide groove set (4) is provided with a second positioning component (5).

7. The multi-strand plastic wire and metal conductor part quick connection jig as claimed in claim 6, wherein the first positioning component (6) and the second positioning component (5) are magnets, and the first upper cover pressing plate (15) and the second upper cover pressing plate (14) are provided with corresponding magnets.

8. The tool for quickly connecting the metal conductor parts of the multi-strand plastic electric wires as claimed in claim 4, wherein the bottoms of the first upper cover plate pressing plate (15) and the second upper cover plate pressing plate (14) are provided with cavities which can press the plastic electric wires and have inverted V-shaped cross sections.