CN108063326A - Wire clamp and cable-assembly - Google Patents

Abstract

The invention discloses a wire clamp suitable for holding cables. The wire clip includes: a first elastic piece formed on the main body of the wire clip; and a grounding pin extending from the main body of the wire clip. The first elastic piece is adapted to elastically press on an exposed metal ground layer of the cable, so as to electrically connect the metal ground layer of the cable to the wire clip; the ground pin of the wire clip It is adapted to be electrically connected to the ground terminal of the circuit board, so that the metal ground layer of the cable can be electrically connected to the ground terminal of the circuit board via the clip. In the present invention, the cable can be conveniently and quickly connected to the circuit board through the cable clip, which simplifies the manufacture of the cable assembly and reduces the manufacturing cost.

Description

Cord Clips and Cable Assemblies

technical field

The present invention relates to a wire clip suitable for holding cables and a cable assembly including the wire clip.

Background technique

In the prior art, a high-speed cable assembly generally includes a circuit board, a row of cables and a grounding component. A row of ground pads (or called ground terminals) and a row of signal pads (or called signal terminals) are formed on the circuit board. A row of ground pins is formed on the ground part. The main body of the grounding part is welded on the exposed grounding metal layer (or metal shielding layer) of a row of cables, and a row of grounding pins of the grounding part is soldered to a row of grounding pads of the circuit board, so that a row of cables The exposed ground metal layer is electrically connected to a row of ground pads on the circuit board. The conductors of a row of cables are soldered to a row of signal pads on the board.

In the prior art, manufacturing the above-mentioned high-speed cable assembly generally needs to include the following steps: first, use a special metal clamp to hold a row of cables; then, solder the conductors of a row of cables to a row of signal cables on the circuit board Then, remove the metal clamp; then, use another dedicated metal clamp to hold the ground part on the board; then, solder a row of ground pins of the ground part to a row of ground pads of the board, and Solder the body of the ground part to the exposed ground metal layer of a row of cables; finally, another metal clamp holding the ground part needs to be removed.

In the prior art, the manufacturing process of the high-speed cable assembly is very cumbersome, which increases the manufacturing cost.

Contents of the invention

The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and deficiencies in the prior art.

According to an aspect of the present invention, there is provided a cord clip adapted to hold cables. The wire clip includes: a first elastic piece formed on the main body of the wire clip; and a grounding pin extending from the main body of the wire clip. The first elastic piece is adapted to elastically press on an exposed metal ground layer of the cable, so as to electrically connect the metal ground layer of the cable to the wire clip; the ground pin of the wire clip It is adapted to be electrically connected to the ground terminal of the circuit board, so that the metal ground layer of the cable can be electrically connected to the ground terminal of the circuit board via the clip.

According to an embodiment of the present invention, the cable clip further includes: a second elastic piece formed on the main body of the cable clip and adapted to elastically press on the outer covering layer of the cable.

According to another embodiment of the present invention, the first elastic piece and the second elastic piece are adapted to apply an elastic holding force to the cable together so as to securely hold the cable on the wire clip.

According to another embodiment of the present invention, a positioning hole is formed on the main body of the cable clamp, and the cable is suitable for passing through the positioning hole and being held in the positioning hole.

According to another embodiment of the present invention, the exposed metal ground layer of the cable is adapted to be accommodated in the positioning hole; and the end of the first elastic piece extends into the positioning hole, so that Elastically press on an exposed metal ground layer of the cable.

According to another embodiment of the present invention, an opening is formed at the top of the positioning hole, and the first elastic piece is located inside the rear end wall of the positioning hole and extends into the positioning hole through the opening.

According to another embodiment of the present invention, the second elastic piece is located outside the front end wall of the positioning hole.

According to another embodiment of the present invention, a row of positioning holes is formed on the wire clip, each of the positioning holes is suitable for holding a corresponding cable; a row of the positioning holes is formed on the wire clip First elastic pieces, each of the first elastic pieces is adapted to elastically press on an exposed metal ground layer of a corresponding cable; and a row of the second elastic pieces is formed on the wire clip, each The second elastic piece is suitable for elastically pressing on the outer covering layer of a corresponding cable.

According to another embodiment of the present invention, a row of grounding pins is formed on the wire clip, and each of the grounding pins extends forward for a predetermined length from the outer side of the front wall of the wire clip.

According to another embodiment of the present invention, the first elastic piece and the second elastic piece are located at a middle position in the diameter direction of the positioning hole.

According to another aspect of the present invention, there is provided a cable assembly, including: a cable; and a circuit board, wherein conductors of the cable are electrically connected to signal terminals of the circuit board. The cable assembly also includes a clamp adapted to hold the cable, the clamp comprising: a first elastic piece formed on a main body of the clamp; and a ground pin extending from the main body of the clamp Extending out, the first elastic piece elastically presses on an exposed metal ground layer of the cable, so as to electrically connect the metal ground layer of the cable to the wire clip; the ground lead of the wire clip The pin is electrically connected to the ground terminal of the circuit board, so that the metal ground layer of the cable is electrically connected to the ground terminal of the circuit board via the clip.

According to an embodiment of the present invention, the cable clip further includes: a second elastic piece formed on the main body of the cable clip and adapted to elastically press on the outer covering layer of the cable.

According to another embodiment of the present invention, the first elastic piece and the second elastic piece are adapted to apply an elastic holding force to the cable together so as to securely hold the cable on the wire clip.

According to another embodiment of the present invention, a positioning hole is formed on the main body of the cable clamp, and the cable is suitable for passing through the positioning hole and being held in the positioning hole.

According to another embodiment of the present invention, the exposed metal ground layer of the cable is adapted to be accommodated in the positioning hole; and the end of the first elastic piece extends into the positioning hole, so that Elastically press on an exposed metal ground layer of the cable.

According to another embodiment of the present invention, an opening is formed at the top of the positioning hole, and the first elastic piece is located inside the rear end wall of the positioning hole and extends into the positioning hole through the opening.

According to another embodiment of the present invention, the second elastic piece is located outside the front end wall of the positioning hole.

According to another embodiment of the present invention, a row of positioning holes is formed on the wire clip, each of the positioning holes is suitable for holding a corresponding cable; a row of the positioning holes is formed on the wire clip First elastic pieces, each of the first elastic pieces is adapted to elastically press on an exposed metal ground layer of a corresponding cable; and a row of the second elastic pieces is formed on the wire clip, each The second elastic piece is suitable for elastically pressing on the outer covering layer of a corresponding cable.

According to another embodiment of the present invention, a row of grounding pins is formed on the wire clip, each of the grounding pins extends forward for a predetermined length from the outer side of the front wall of the wire clip, and is welded to a corresponding signal terminal on the circuit board.

According to another embodiment of the present invention, the first elastic piece and the second elastic piece are located at a middle position in the diameter direction of the positioning hole.

In each of the aforementioned exemplary embodiments of the present invention, the cable can be conveniently and quickly connected to the circuit board through the cable clip, which simplifies the manufacture of the cable assembly and reduces the manufacturing cost.

Other objects and advantages of the present invention will be apparent from the following description of the present invention with reference to the accompanying drawings, and may help to provide a comprehensive understanding of the present invention.

Description of drawings

Figure 1 shows a schematic perspective view of a cable and a clamp according to an embodiment of the present invention, wherein the cable has not been held on the clamp;

Figure 2 shows a schematic perspective view of a cable and a clamp according to an embodiment of the present invention, wherein the cable has been held on the clamp;

Fig. 3 shows the three-dimensional schematic view of the clamp shown in Fig. 1;

Figure 4 shows a plan view of the clamp shown in Figure 3; and

FIG. 5 shows a schematic perspective view of a cable assembly according to an embodiment of the present invention.

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, but should not be construed as a limitation of the present invention.

In addition, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a comprehensive understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

According to a general technical concept of the present invention, a wire clip suitable for holding cables is provided. The wire clip includes: a first elastic piece formed on the main body of the wire clip; and a grounding pin extending from the main body of the wire clip. The first elastic piece is adapted to elastically press on an exposed metal ground layer of the cable, so as to electrically connect the metal ground layer of the cable to the wire clip; the ground pin of the wire clip It is adapted to be electrically connected to the ground terminal of the circuit board, so that the metal ground layer of the cable can be electrically connected to the ground terminal of the circuit board via the clip.

FIG. 1 shows a schematic perspective view of a cable 100 and a cable clip 200 according to an embodiment of the present invention, wherein the cable 100 has not been held on the cable clip 200; FIG. 2 shows a cable 100 according to an embodiment of the present invention and a schematic perspective view of the wire clip 200 , wherein the cable 100 has been held on the wire clip 200 ; FIG. 3 shows a perspective schematic view of the wire clip 200 shown in FIG. 1 .

As clearly shown in FIG. 1, in the illustrated embodiment, the cable 100 includes a conductor 110, an inner insulating layer (not shown) wrapped on the conductor 110, a metal ground layer 120 wrapped on the inner insulating layer, and The outer cladding layer 130 wrapped on the metal ground layer 120 . However, please note that the structure of the cable 100 is not limited to the illustrated embodiment. As shown in FIG. 1 , a section of the outer covering layer 130 of the cable 100 is removed to expose a section of the metal ground layer 120 .

As shown in FIGS. 1 , 2 and 3 , the clip 200 is adapted to hold the cable 100 in the illustrated embodiment. The clip 200 mainly includes a first elastic piece 220 and a grounding pin 240 . The first elastic piece 220 is formed on the main body of the wire clip 200 . The ground pin 240 extends from the main body of the clamp 200 .

In one embodiment of the present invention, as shown clearly in FIG. Connect to the clamp 100.

FIG. 5 shows a schematic perspective view of a cable assembly according to an embodiment of the present invention.

As shown in FIGS. 2 and 5 , in the illustrated embodiment, the ground pin 240 of the clip 200 is adapted to be electrically connected to the ground terminal 340 of the circuit board 300 . In this way, the metal ground layer 120 of the cable 100 can be electrically connected to the ground terminal 340 of the circuit board 300 via the clip 200 .

Please note that the clip 200 herein must be made of conductive material, for example, it can be made of conductive metal.

As shown in FIGS. 1-3 and 5 , in the illustrated embodiment, the wire clamp 200 further includes a second elastic piece 230 formed on the main body of the wire clamp 200 and adapted to elastically press the wire On the outer covering layer 130 of the cable 100.

In the illustrated embodiment, as shown in FIG. 2 and FIG. 5 , the first elastic piece 220 and the second elastic piece 230 are adapted to apply an elastic holding force to the cable 100 together, so as to securely hold the cable 100 on the cable clip 200 .

FIG. 4 shows a plan view of the clip 200 shown in FIG. 3 .

As shown in FIG. 1 to FIG. 5 , in one embodiment of the present invention, a positioning hole 210 is formed on the main body of the wire clamp 200 . The cable 100 is adapted to pass through the positioning hole 210 and to be held in the positioning hole 210 .

As shown in FIGS. 2 and 5 , in the illustrated embodiment, a section of the exposed metal ground layer 120 of the cable 100 is adapted to be accommodated in the positioning hole 210 . As shown in FIG. 2 , FIG. 4 and FIG. 5 , the end of the first elastic piece 220 protrudes into the positioning hole 210 so as to elastically press on an exposed metal ground layer 120 of the cable 100 .

As shown in FIGS. 1 to 5 , in the illustrated embodiment, an opening 250 is formed at the top of the positioning hole 210 . The first elastic piece 220 is located inside the rear end wall 260 of the positioning hole 210 and extends into the positioning hole 210 through the opening 250 so as to be in electrical contact with an exposed metal ground layer 120 of the cable 100 inserted into the positioning hole 210 .

As shown in FIGS. 1 to 5 , in the illustrated embodiment, the second elastic piece 230 is located outside the front end wall 270 of the positioning hole 210 so as to elastically press the end of the cable 100 passing through the positioning hole 210 . on the outer cladding layer 130 .

In the illustrated embodiment, as shown in FIGS. 1 to 5 , a row of positioning holes 210 are formed on the clamp 200, and each positioning hole 210 is suitable for holding a corresponding cable 100, so that a single wire can be passed The clip 200 holds a row of cables 100 at the same time, and electrically connects the metal ground layers 120 of the row of cables 100 to the ground terminal 340 of the circuit board 300 through the single clip 200 .

In the illustrated embodiment, as shown in FIGS. 1 to 5 , a row of first elastic pieces 220 is formed on the wire clip 200 . Each first elastic piece 220 is suitable for elastically pressing on a section of exposed metal ground layer 120 of a corresponding cable 100 .

In the illustrated embodiment, as shown in FIGS. 1 to 5 , a row of second elastic pieces 230 are formed on the cable clip 200 , and each second elastic piece 230 is suitable for elastically pressing on the outer surface of a corresponding cable 100 . on the cladding layer 130 .

In the illustrated embodiment, as shown in FIGS. 1 to 5 , a row of grounding pins 240 are formed on the clamp 200 , and each grounding pin 240 extends forward for a predetermined length from the outside of the front end wall 270 of the clamp 200 . , and soldered to a corresponding signal terminal 310 of the circuit board 300 .

In the illustrated embodiment, as shown in FIGS. 1 to 5 , the first elastic piece 220 and the second elastic piece 230 are located in the middle of the positioning hole 210 in the diameter direction.

As shown in FIG. 5 , in another embodiment of the present invention, a cable assembly is also disclosed. As shown in FIG. 5 , the cable assembly mainly includes a cable 100 , a circuit board 300 and the cable clamp 200 described in any of the foregoing embodiments.

As clearly shown in FIG. 5 , the first elastic piece 220 on the clamp 200 elastically presses on an exposed metal ground layer 120 of the cable 100 so as to electrically connect the metal ground layer 120 of the cable 100 to the clamp 100 . The ground pin 240 on the clamp 200 is electrically connected to the ground terminal 340 of the circuit board 300 , so that the metal ground layer 120 of the cable 100 is electrically connected to the ground terminal 340 of the circuit board 300 via the clamp 200 . The conductor 110 of the cable 100 is electrically connected to the signal terminal 310 of the circuit board 300 .

In the illustrated embodiment, as shown in FIG. 5 , the ground pin 240 on the clip 200 is soldered to the ground terminal 340 on the circuit board 300 . The conductors 110 of the cable 100 are soldered to the signal terminals 310 of the circuit board 300 .

In the embodiment shown in FIG. 5 , a row of positioning holes 210 are formed on the cable clamp 200 , and each positioning hole 210 is suitable for holding a corresponding cable 100 . In this way, a row of cables 100 can be simultaneously held by a single cable clamp 200 , and the metal ground layers 120 of a row of cables 100 can be electrically connected to the ground terminal 340 of the circuit board 300 through the single cable clip 200 .

In the embodiment shown in FIG. 5 , a row of first elastic pieces 220 is formed on the wire clamp 200 . Each first elastic piece 220 is suitable for elastically pressing on a section of exposed metal ground layer 120 of a corresponding cable 100 . A row of second elastic pieces 230 is formed on the cable clip 200 , and each second elastic piece 230 is suitable for elastically pressing on the outer covering layer 130 of a corresponding cable 100 . A row of ground pins 240 is formed on the clamp 200 , and each ground pin 240 extends forward for a predetermined length from the outside of the front wall 270 of the clamp 200 , and is soldered to a corresponding signal terminal 310 of the circuit board 300 .

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Can be combined freely.

Although the present invention has been described with reference to the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to illustrate preferred embodiments of the present invention and should not be construed as a limitation of the present invention.

While certain embodiments of the present general inventive concept have been shown and described, it will be understood by those of ordinary skill in the art that changes may be made to these embodiments without departing from the principles and spirit of the present general inventive concept. The scope is defined by the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Furthermore, any element references in the claims should not be construed as limiting the scope of the invention.

Claims (20)

1. A cable clamp (200), adapted to hold a cable (100), characterized in that: The wire clip (200) includes: The first elastic piece (220) is formed on the main body of the clip (200); and a ground pin (240), extending from the main body of the clamp (200), The first elastic piece (220) is adapted to elastically press on an exposed metal ground layer (120) of the cable (100), so as to electrically connect the metal ground layer (120) of the cable (100) connected to said clamp (100); The ground pin (240) of the clamp (200) is suitable for being electrically connected to the ground terminal (340) of the circuit board (300), so that the metal ground layer (120) of the cable (100) can pass through the The clamp (200) is electrically connected to the ground terminal (340) of the circuit board (300). 2. The wire clip (200) according to claim 1, further comprising: The second elastic sheet (230) is formed on the main body of the cable clip (200), and is adapted to elastically press on the outer covering layer (130) of the cable (100). 3. The wire clamp (200) according to claim 2, characterized in that: The first elastic piece (220) and the second elastic piece (230) are adapted to apply an elastic holding force to the cable (100) together so as to securely hold the cable (100) in the wire clamp (200) on. 4. The wire clip (200) according to claim 3, characterized in that: A positioning hole (210) is formed on the main body of the cable clamp (200), and the cable (100) is adapted to pass through the positioning hole (210) and to be held in the positioning hole (210). middle. 5. The wire clip (200) according to claim 4, characterized in that: The section of the exposed metal ground layer (120) of the cable (100) is adapted to be received in the positioning hole (210); and The end of the first elastic piece (220) protrudes into the positioning hole (210) so as to elastically press on an exposed metal grounding layer (120) of the cable (100). 6. The wire clip (200) according to claim 5, characterized in that: An opening (250) is formed on the top of the positioning hole (210), the first elastic piece (220) is located inside the rear end wall (260) of the positioning hole (210), and passes through the opening (250) ) extending into the positioning hole (210). 7. The wire clip (200) according to claim 6, characterized in that: The second elastic piece (230) is located outside the front end wall (270) of the positioning hole (210). 8. The wire clip (200) according to any one of claims 4-7, characterized in that: A row of positioning holes (210) is formed on the wire clamp (200), and each positioning hole (210) is suitable for holding a corresponding cable (100); A row of the first elastic pieces (220) is formed on the wire clip (200), and each of the first elastic pieces (220) is suitable for elastically pressing on an exposed section of a corresponding cable (100). on the metal ground plane (120); and A row of the second elastic pieces (230) is formed on the wire clamp (200), and each of the second elastic pieces (230) is suitable for elastically pressing on the outer covering of a corresponding cable (100). layer (130). 9. The wire clip (200) according to claim 8, characterized in that: A row of grounding pins (240) is formed on the wire clip (200), each of the grounding pins (240) extends forward from the outside of the front end wall (270) of the wire clip (200) predetermined length. 10. The wire clip (200) according to claim 9, characterized in that: The first elastic piece (220) and the second elastic piece (230) are located at the middle position in the diameter direction of the positioning hole (210). 11. A cable assembly comprising: cable (100); and circuit board (300), Wherein, the conductor (110) of the cable (100) is electrically connected to the signal terminal (310) of the circuit board (300), It is characterized by: The cable assembly also includes a clamp (200) adapted to hold the cable (100), the clamp (200) comprising: The first elastic piece (220) is formed on the main body of the clip (200); and a ground pin (240), extending from the main body of the clamp (200), The first elastic piece (220) is elastically pressed on an exposed metal ground layer (120) of the cable (100), so as to electrically connect the metal ground layer (120) of the cable (100) to The wire clamp (100); The ground pin (240) of the clamp (200) is electrically connected to the ground terminal (340) of the circuit board (300), so that the metal ground layer (120) of the cable (100) passes through the clamp (200) is electrically connected to a ground terminal (340) of said circuit board (300). 12. The cable assembly according to claim 11, characterized in that, the wire clamp (200) further comprises: The second elastic sheet (230) is formed on the main body of the cable clip (200), and is adapted to elastically press on the outer covering layer (130) of the cable (100). 13. The cable assembly of claim 12, wherein: The first elastic piece (220) and the second elastic piece (230) are adapted to apply an elastic holding force to the cable (100) together so as to securely hold the cable (100) in the wire clamp (200) on. 14. The cable assembly of claim 13, wherein: A positioning hole (210) is formed on the main body of the cable clamp (200), and the cable (100) is adapted to pass through the positioning hole (210) and to be held in the positioning hole (210). middle. 15. The cable assembly of claim 14, wherein: The section of the exposed metal ground layer (120) of the cable (100) is adapted to be received in the positioning hole (210); and The end of the first elastic piece (220) protrudes into the positioning hole (210) so as to elastically press on an exposed metal grounding layer (120) of the cable (100). 16. The cable assembly of claim 15, wherein: An opening (250) is formed on the top of the positioning hole (210), the first elastic piece (220) is located inside the rear end wall (260) of the positioning hole (210), and passes through the opening (250) ) extending into the positioning hole (210). 17. The cable assembly of claim 16, wherein: The second elastic piece (230) is located outside the front end wall (270) of the positioning hole (210). 18. The cable assembly according to any one of claims 14-17, characterized in that: A row of positioning holes (210) is formed on the wire clamp (200), and each positioning hole (210) is suitable for holding a corresponding cable (100); A row of the first elastic pieces (220) is formed on the wire clip (200), and each of the first elastic pieces (220) is suitable for elastically pressing on an exposed section of a corresponding cable (100). on the metal ground plane (120); and A row of the second elastic pieces (230) is formed on the wire clamp (200), and each of the second elastic pieces (230) is suitable for elastically pressing on the outer covering of a corresponding cable (100). layer (130). 19. The cable assembly of claim 18, wherein: A row of grounding pins (240) is formed on the wire clip (200), each of the grounding pins (240) extends forward from the outside of the front end wall (270) of the wire clip (200) predetermined length, and soldered to a corresponding signal terminal (310) of the circuit board (300). 20. The cable assembly of claim 19, wherein: The first elastic piece (220) and the second elastic piece (230) are located at the middle position in the diameter direction of the positioning hole (210).