Shielding structure for connecting PCB and cable

Abstract

The utility model discloses a shielding structure used for connecting a PCB and a cable. The shielding structure comprises a cable, a circuit board and a wire clamp. The cable is connected with a shielding layer and a connecting wire, and the shielding layer is arranged on the outer side of the connecting wire; the circuit board is connected with a contact point, the contact point is welded with the connecting line, and the circuit board is provided with a pair of bonding pads; the wire clamp is connected to the outer side of the shielding layer and is in welded connection with the bonding pad, the shielding layer is turned outwards to the outer side of the cable so that the shielding layer can be in contact with the wire clamp conveniently, the shielding layer can be connected with the bonding pad conveniently, a notch is formed in the circuit board, the shielding layer is arranged in the notch, and the width of the notch is larger than the diameter of the cable so that the cable can be inserted conveniently, and the wire clamp can be connected with the bonding pad better. According to the utility model, when the cable is subjected to external tension, the cable shielding layer is not easy to separate from the circuit board shielding bonding pad, so that the connection firmness of the cable shielding layer and the circuit board shielding bonding pad can be increased, and the problem of open circuit between the cable shielding layer and the circuit board shielding bonding pad is not easy to occur.

Description

Technical Field

[0001] The utility model belongs to the technical field of cables, and in particular relates to a shielding structure for connecting a PCB and a cable. Background Art

[0002] Cables are made of multiple strands of fine metal wire, a single metal wire, or other conductive materials, along with insulation, sheathing, and other supporting materials. They are used to transmit signals or energy from a source to a destination. They are widely used due to their proven penetration, reliability, continuity, and protection.

[0003] During the shield connection process between the cable shield and the PCB (printed circuit board), the shield is typically twisted into a strand and soldered directly to the PCB's shield connection pads. When the cable is subjected to external tension, the shield is stressed, causing it to easily separate from the PCB pads, leading to a direct disconnect between the cable shield and the PCB.

[0004] Therefore, in order to solve the above technical problems, it is necessary to provide a shielding structure for connecting a PCB and a cable.

[0005] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an admission or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. Utility Model Content

[0006] The purpose of the present invention is to provide a shielding structure for connecting a PCB and a cable, which can solve the problem that the cable shielding layer is easily separated from the circuit board shielding when being pulled by an external force.

[0007] In order to achieve the above-mentioned purpose, the technical solution provided by a specific embodiment of the present invention is as follows:

[0008] A shielding structure for connecting a PCB and a cable, comprising: a cable, a circuit board, and a wire clamp;

[0009] The cable is connected to a shielding layer and a connecting wire, and the shielding layer is arranged outside the connecting wire;

[0010] The circuit board is connected with a contact point, the contact point is welded to the connecting wire, and the circuit board is provided with a pair of solder pads;

[0011] The wire clamp is connected to the outside of the shielding layer and is welded to the pad.

[0012] In one or more embodiments of the present invention, the shielding layer is turned outward on the outside of the cable to facilitate contact with the wire clamp, so as to connect the shielding layer to the soldering pad.

[0013] In one or more embodiments of the present invention, a notch is provided on the circuit board, the shielding layer is provided in the notch, and the width of the notch is greater than the diameter of the cable, which facilitates the insertion of the cable so that the wire clamp can be better connected to the soldering pad.

[0014] In one or more embodiments of the present invention, a pair of the pads are symmetrical with respect to the notch, and the pads are elliptical.

[0015] In one or more embodiments of the present invention, a through hole is provided on the soldering pad to facilitate the insertion of the connecting portion, so as to achieve the connection between the wire clamp body and the soldering pad.

[0016] In one or more embodiments of the present invention, the wire clamp includes a wire clamp body, which contacts the shielding layer and is arc-shaped, so that the wire clamp body can fit the shielding layer so as to use the wire clamp for shielding conduction.

[0017] In one or more embodiments of the present invention, a pair of connecting parts are fixedly connected to the wire clamp body, and the pair of connecting parts are respectively inserted into a pair of through-openings, and the connecting parts are welded to the soldering pads. The connecting parts are inserted into the through-openings and then welded to the soldering pads, which not only increases the force bearing capacity of the cable, but also ensures the shielding conductivity.

[0018] In one or more embodiments of the present invention, a pair of clamping parts are fixedly connected to the wire clamp body, and the pair of clamping parts both surround the shielding layer. The wire clamp body and the shielding layer can be fixed by surrounding the shielding layer with a pair of clamping parts.

[0019] In one or more embodiments of the present invention, a pair of the clamping portions are staggered and riveted to the outside of the shielding layer to achieve fixation of the wire clamp body and the shielding layer.

[0020] In one or more embodiments of the present invention, the wire clamp body, the connecting portion and the clamping portion are all made of copper to ensure the conductivity of the shielding.

[0021] Compared with the prior art, the present invention provides a shielding structure for connecting a PCB and a cable, so that when the cable is subjected to external tension, the cable shielding layer is not easily separated from the circuit board shielding pad, thereby increasing the connection firmness between the cable shielding layer and the circuit board shielding pad, and is less likely to cause the cable shielding layer and the circuit board shielding to be broken. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 This is a three-dimensional diagram of a shielding structure for connecting a PCB and a cable in one embodiment of the present invention;

[0024] Figure 2 for Figure 1 Schematic diagram of the structure at A in the middle;

[0025] Figure 3 This is a bottom view of a shielding structure for connecting a PCB and a cable in one embodiment of the present invention;

[0026] Figure 4 for Figure 3 Schematic diagram of the structure at B in the middle;

[0027] Figure 5 This is a three-dimensional diagram of a wire clamp in one embodiment of the present invention.

[0028] Description of main reference numerals:

[0029] 1-cable, 101-shielding layer, 102-connecting wire, 2-circuit board, 201-contact point, 202-soldering pad, 203-through opening, 3-clip, 301-clip body, 302-connecting part, 303-clamping part. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the following will be combined with the drawings of the embodiments of the present invention to clearly and completely describe the technical solutions of the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0031] like Figures 1 to 5 As shown, a shielding structure for connecting a PCB and a cable in one embodiment of the present invention includes a cable 1, a circuit board 2 and a wire clamp 3.

[0032] The cable 1 is connected to a shielding layer 101 and a connecting wire 102 . The shielding layer 101 is arranged outside the connecting wire 102 and plays a shielding role. The connecting wire 102 is used to transmit signals or energy.

[0033] Preferably, the shielding layer 101 is turned outward on the outside of the cable 1, that is, Figure 1 The state shown is convenient for contacting with the wire clamp 3 so as to connect the shielding layer 101 and the pad 202 by means of the wire clamp 3 to achieve shielding conduction.

[0034] like Figures 1 to 5 As shown, a notch is provided on the circuit board 2, and the shielding layer 101 is provided in the notch, and the width of the notch is greater than the diameter of the cable 1. The notch is provided to facilitate the insertion of the cable 1 so that the wire clamp 3 can be better connected to the pad 202.

[0035] The circuit board 2 is connected with a contact point 201 , which is welded to the connecting line 102 . Signal or energy transmission can be achieved through the welding connection between the contact point 201 and the connecting line 102 .

[0036] In addition, a pair of pads 202 are provided on the circuit board 2 to facilitate the insertion of the connecting portion 302, which not only improves the stress resistance of the cable 1, but also connects the shielding layer 101 to the pads 202 through the wire clamp 3 to achieve shielding conduction.

[0037] Preferably, the pair of pads 202 are symmetrical with respect to the notch, and the pads 202 are elliptical.

[0038] Specifically, a through hole 203 is provided on the soldering pad 202 to facilitate the insertion of the connecting portion 302 to improve the stress resistance of the cable 1 , and at the same time, the shielding layer 101 can be connected to the soldering pad 202 through the wire clamp 3 .

[0039] like Figures 1 to 5 As shown, the wire clamp 3 is connected to the outside of the shielding layer 101 and is welded to the pad 202. The wire clamp 3 is used to connect the shielding layer 101 and the pad 202, which can not only improve the stress resistance of the cable 1, but also ensure the shielding conductivity.

[0040] The wire clamp 3 includes a wire clamp body 301 , which contacts the shielding layer 101 and is arc-shaped, so that the wire clamp body 301 can fit the shielding layer 101 , so that the wire clamp 3 can be used for shielding conduction.

[0041] Furthermore, a pair of connecting portions 302 are fixedly connected to the cable clamp body 301. The connecting portions 302 are respectively inserted into the pair of through-holes 203 and welded to the solder pads 202. Inserting the connecting portions 302 into the through-holes 203 and then welding the connecting portions 302 to the solder pads 202 not only increases the stress resistance of the cable 1 but also ensures shielding continuity.

[0042] Specifically, a pair of clamping parts 303 are fixedly connected to the wire clamp body 301 , and the pair of clamping parts 303 surround the shielding layer 101 . The wire clamp body 301 and the shielding layer 101 can be fixed by surrounding the shielding layer 101 with the pair of clamping parts 303 .

[0043] Preferably, a pair of clamping parts 303 are staggered and riveted to the outside of the shielding layer 101 to fix the clamp body 301 to the shielding layer 101. The clamp body 301, the connecting part 302 and the clamping part 303 are all made of copper to ensure the conductivity of the shielding.

[0044] When in use, the shielding layer 101 is turned over on the outer sheath of the cable 1, and then the clamp body 301 is brought into contact with the shielding layer 101, and a pair of clamping parts 303 are riveted around the shielding layer 101. Figure 1 Then, insert the pair of connecting parts 302 into the through-holes 203 on the pair of pads 202, respectively, and solder the connecting parts 302 to the pads 202, so that the pads 202 on the circuit board 2 are connected to the shielding layer 101 through the wire clamp 3. This can increase the stress of the cable 1 and ensure the conductivity of the shield.

[0045] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0046] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A shielding structure for connecting a PCB and a cable, characterized in that: include: A cable, wherein a shielding layer and a connecting wire are connected to the cable, and the shielding layer is arranged outside the connecting wire; A circuit board, wherein the circuit board is connected to a contact point, the contact point is welded to the connecting wire, and the circuit board is provided with a pair of solder pads; The wire clamp is connected to the outside of the shielding layer and is welded to the pad.

2. A shielding structure for connecting a PCB and a cable according to claim 1, characterized in that: The shielding layer is turned outward on the outside of the cable.

3. The shielding structure for connecting a PCB and a cable according to claim 1, wherein: A notch is provided on the circuit board, the shielding layer is arranged in the notch, and the width of the notch is greater than the diameter of the cable.

4. The shielding structure for connecting a PCB and a cable according to claim 3, characterized in that: A pair of the pads are symmetrical with respect to the notch, and the pads are elliptical.

5. The shielding structure for connecting a PCB and a cable according to claim 4, characterized in that: The soldering pad is provided with a through opening.

6. The shielding structure for connecting a PCB and a cable according to claim 5, characterized in that: The wire clamp includes a wire clamp body, the wire clamp body is in contact with the shielding layer, and the wire clamp body is arc-shaped.

7. The shielding structure for connecting a PCB and a cable according to claim 6, characterized in that: A pair of connecting parts are fixedly connected to the wire clamp body, the pair of connecting parts are respectively inserted into the pair of through-holes, and the connecting parts are welded to the welding pads.

8. The shielding structure for connecting a PCB and a cable according to claim 7, characterized in that: A pair of clamping parts are fixedly connected to the wire clamp body, and both of the clamping parts surround the shielding layer.

9. The shielding structure for connecting a PCB and a cable according to claim 8, characterized in that: A pair of the clamping parts are staggered and riveted to the outside of the shielding layer.

10. The shielding structure for connecting a PCB and a cable according to claim 9, characterized in that: The wire clamp body, connecting part and clamping part are all made of copper.

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