CN2525650Y - Cable clip - Google Patents

Abstract

The utility model discloses a cable clamp, which is used in the automatic processing and assembly process of cables. It includes a base, a pair of clamping arms and a locking piece. A receiving groove is formed, and each clamping arm includes a connecting portion rotatably connected in the receiving groove, a pressing portion extending from the connecting portion to the center of the base, and a fixing portion formed at the end of the clamping arm. The placing part can be buckled toward the center of the base to fix the cable on the upper surface of the base, and the locking member is arranged at the center of the upper surface of the base, abutting against the fixing part of the clamping arm to give it a good positioning. The structure of the cable clamp is small and simple, it can firmly clamp the cable, and the loading and unloading of the cable is fast and accurate. Cable processing and assembly costs.

Description

Cable Clamp

【Technical field】

The utility model relates to a cable clamp, in particular to a miniature coaxial cable clamp used for automatic processing and assembly of cables.

【Background technique】

The signal transmission through the cable has a considerable impact on the performance of the computer. Micro coaxial cables are more and more widely used because of their small size, high tensile strength, durability, better electrical characteristics and strong anti-electromagnetic interference capabilities, especially in the requirements for signal transmission quality In relatively high cases, for example, several micro-coaxial cables are arranged in bundles to connect the motherboard of a notebook computer with a CD, floppy disk drive, etc. Please refer to Figures 1 and 2, each single micro-coaxial cable 1 usually includes: 1) a core wire 11 composed of a number of central conductors 111 made of metal (generally copper alloy); A layer of inner insulating skin 12 on the periphery of the wire 11 is generally made of Teflon (Teflon, polytetrachloroethylene); 3) a layer of metal braiding 13 wrapped outside the inner insulating skin 12; and 4) located on the outermost The insulating jacket 14 of the layer usually adopts a plastic material (generally PVC, that is, polyvinyl chloride).

Ordinary cables can use Insulation Displacement Contact (IDC) to electrically connect the core wire and the terminal of the connector. The insulated outer jacket is in contact with the inner conductive core wire. However, the micro-coaxial cable cannot use the IDC method to realize the electrical conduction between the connector terminal (not shown) and the core wire 11. When the two layers of the coaxial cable, the outer insulation jacket 14 and the inner insulation skin 12, are broken, they will form contact with the metal braid 13 and the core wire 11 to cause a short circuit. Therefore, at present, the connection between the two can only be realized by means of welding to achieve the above-mentioned conduction. Please refer to Fig. 3, the operation process is generally as follows: first strip off part of the insulation jacket 14 to expose a certain length of metal braid 13, separate the metal braid 13 and solder it to the transfer circuit board set inside the electronic connector 2 on the ground pad 21 to conduct with the corresponding ground loop; then remove a certain length of inner insulation 12 to expose the core wire 11, and then solder the core wire 11 to the signal pad 22 of the above-mentioned circuit board 2, To conduct with the corresponding signal loop. On the other side of the above-mentioned adapter circuit board 2, there are several conductive sheets 23 that can be soldered on by the connector terminals. Electrical conduction of the cable core wire 11 .

In the past, the above-mentioned process of stripping the insulation jacket 14 was carried out as follows: first arrange several micro-coaxial cables 1 without overlapping on the organic board, and fix them with adhesive tape; then use a kind of "L" shaped scissors to manually Cut off the outer jacket 14 of each cable 1 one by one. Adopting this method is very time-consuming, wastes manpower, and is inefficient, and it is very easy to cut off the metal braid 13 and the core wire 11, and the quality is poor.

At present, the industry has begun to use laser cutting machines to strip the insulation jacket 14, that is, to use laser light instead of the blade edge to cut the insulation jacket 14. By controlling the intensity of the laser light and the speed of movement, the cutting depth can be precisely controlled. High quality and precision. However, it is necessary to design a small clamp that can not only hold the cable in the process of cutting the insulating jacket but also circulate on the production line, and can make the adapter circuit board 2 paste when the laser machine cuts the insulating jacket 14. Leaning against the side wall of the jig, the insulating sheath 14 can be cut from a position adjacent to the circuit board 2 for subsequent separation of the metal braid 13 . These constraints make the requirements for the micro-coaxial cable clamp suitable for the above-mentioned automatic assembly process relatively high, and the design is difficult.

【Content of invention】

The purpose of this utility model is to provide a cable clamp, which has a compact and simple structure, can firmly clamp cables, and can be loaded and unloaded quickly and accurately. High degree, thus saving time and labor, reducing cable processing and assembly costs.

In order to achieve the above purpose, the utility model adopts the following technical solution: a cable clamp includes a base, a pair of clamping arms and a locking member, the base is in a longitudinal configuration, and the upper surface of the upper surface is formed at both ends in the longitudinal direction to accommodate Each clamping arm includes a connection part rotatably connected to the above-mentioned receiving groove, a pressing part extending from the connecting part to the center of the base, and a fixing part formed at the end of the clamping arm. The above-mentioned pressing part can The cable is fastened to the center of the base to fix the cable on the upper surface of the base, and the locking member is arranged at the center of the upper surface of the base to abut against the fixing portion of the clamping arm to give it a good position.

Compared with the prior art, the cable clamp of the utility model has the following advantages: the structure is compact and simple, the cable can be firmly clamped, the loading and unloading of the cable is fast and accurate, and it can be used as a carrier for the cable to circulate throughout the production line, making the cable The cable assembly has a high degree of automation, which saves time and labor, and reduces cable processing and assembly costs.

【Description of drawings】

FIG. 1 is a transverse cross-sectional view of a miniature coaxial cable clamped by the cable clamp of the present invention.

Fig. 2 is a structural schematic diagram of the miniature coaxial cable clamped by the cable clamp of the present invention.

Fig. 3 is a three-dimensional schematic diagram of the combination of the miniature coaxial cable clamped by the cable clamp of the present invention and the transfer printed circuit board.

Fig. 4 is a three-dimensional exploded view of the cable clamp of the present invention.

Fig. 5 is a three-dimensional assembled view of the cable clamp of the present invention.

Fig. 6 is a three-dimensional assembly diagram of the cable clamp, the micro-coaxial cable and the transfer printed circuit board of the present invention.

Fig. 7 is a bottom perspective view of the locking member of the cable clamp of the present invention.

【Detailed ways】

Please refer to FIGS. 4 and 5 , the cable clamp 3 is made of metal, and includes a base 30 , a pair of clamping arms 40 and a locking member 50 , and the overall structure is compact and simple. The base 30 is in a longitudinal configuration, and the base 30 includes upper and lower surfaces 31, 32 arranged in parallel, oppositely arranged and relatively long first and second side walls 33, 34, and relatively arranged and relatively short side walls. With respect to the end walls 35, 36, said walls are integrally connected. A pair of first protrusions 331 protrude forward at both ends of the first side wall 33 of the base 30 , and a second protrusion 332 protrudes forward at the center of the first side wall 33 of the base 30 , passing through the second protrusion 332 A first through hole 371 is formed on the outer surface and the second sidewall 34 . Both ends of the upper surface 31 of the base 30 protrude upward to form a third protruding portion 333 adjacent to the first protruding portion 331, and a receiving groove 381 is formed in each third protruding portion 333. The outer surface of the first protruding portion 331 located at one end of the first side wall 33 passes through the third protruding portion 333 to form a second through hole 372. The protruding portion 333 is formed with a third through hole 373 . A fourth protruding portion 334 adjacent to the second protruding portion 332 protrudes upwards from the center of the base portion 30, and is respectively extended on both sides of the fourth protruding portion 334 toward the direction of the third protruding portion 333 for accommodating clips. The groove 382 at the end of the holding arm 40 is provided with a fourth through hole 374 downwardly in the center of the fourth protrusion 334.

Each clamping arm 40 includes a connecting portion 41 rotatably connected to the receiving groove 381 , a pressing portion 42 extending from the connecting portion 41 to the center of the base 30 , and a fixing portion 43 formed at the end of the clamping arm 40 . The pressing portion 42 can be fastened toward the center of the base 40 to fix several micro-coaxial cables 1 on the upper surface 31 of the base 30 . The connecting portion 41 of the clamping arm 40 is in the shape of a cylinder, and a shaft hole 411 is formed in the connecting portion 41 for the pivot 44 to pass through, and the pivot 44 passes through the second and third through holes of the base 30 372 , 373 and the shaft hole 411 of the clamping arm 40 , so that the clamping arm 40 is rotatably connected in the receiving groove 381 . The fixing portion 43 is correspondingly locked in the grooves 382 provided on both sides of the fourth protruding portion 334 , and its thickness is thinner than that of the pressing portion 42 and has an inclined surface 431 for guiding the locking member 50 during locking. A slot 421 is recessed on the surface of the pressing portion 42 facing the cable 1 , and a buffer pad 422 of rubber material that is in contact with the cable 1 is embedded in the slot 421 . The buffer pad 422 Extending toward the first side wall 33 and exceeding a certain width of the clamping arm 40 , the cable 1 can be tightly fixed on the upper surface 31 of the base 30 without damaging the cable 1 .

The locking member 50 is disposed at the center of the upper surface 31 of the base 30 , and includes abutting against the fourth protruding portion 334 of the base 30 and the abutment portion 51 on the fixing portion 43 of the clamping arm 40 , and a self-abutting portion 51 The rotating portion 52 extending upwards and extending to both sides and the guiding portion 53 extending from the abutting portion 51 to one side. A recessed portion 521 is formed in the center of the rotating portion 52 , and a first through hole 522 is formed in the center of the recessed portion 521 penetrating downward through the abutting portion 51 , and a first guiding surface is obliquely provided on the bottom surface of the guiding portion 53 along the rotation direction of the locking member 50 531, a notch 511 is formed on the bottom surface of one end of the abutting portion 51 without the guide portion 53 (see Fig. Figure 7).

The cable clamp 3 also has a positioning shaft 60, the positioning shaft 60 includes a head 61 with a larger diameter that is accommodated in the recessed portion 521 of the locking member 50 and a head 61 with a larger diameter that is accommodated in the first through hole 522 of the locking member 50. The smaller rod portion 62 is provided with a second through hole 621 at the lower end of the rod portion 62 corresponding to the first through hole 371 of the second protruding portion 332. Action pin 70.

A plurality of assembly holes 375 are formed through the first and second side walls 33, 34 of the base 30, and an assembly groove 39 is formed through the two end walls 35, 36 at the bottom of the base 30 in the longitudinal direction. The above-mentioned assembly holes 375 and the assembly groove 39 can be combined with Corresponding components on the production line transmission guide rail (not shown) cooperate to securely install the cable clamp 3 on the guide rail, so that the cable clamp 3 becomes a carrier for the cables 1 to circulate throughout the production line.

Referring to FIG. 3 , a plurality of through holes 24 corresponding to the signal pads 22 are arranged side by side between the ground pad 21 and a row of signal pads 22 of the interposer circuit board 2 .

Please refer to Figure 6, the round cable 7 is formed by a number of miniature coaxial cables 1 arranged in bundles and covered with an outer layer of insulating skin 71. The two ends of 7 are spread out, and each one corresponds to the above-mentioned through hole 24 passing through the circuit board 2 . Then, install the round cable 7 with the circuit board 2 at the end in a "U" shape on the cable clamp 3 . The micro-coaxial cable 1 abuts against the upper surface 31 of the fixture 3, the circuit board 2 abuts against the first side wall 33 of the fixture 3, and the sides of the first and second protrusions 331, 332 The walls just abut against the two ends of the circuit board 2 to give the circuit board 2 good positioning. The two clamping arms 40 rotate around the pivot 44 and buckle inwardly, press the end of the micro-coaxial cable 1 adjacent to the circuit board 2 on the base 30, and make the fixed part 43 of the clamping arm 40 clamp in the groove 382 of the base 30 . Manually rotate the rotating part 52 of the locking part 50, the locking part 50 rotates clockwise around the positioning shaft 60, the first guiding surface 531 of the guiding part 53 of the locking part 50 and the second guiding surface 532 of the notch 511 can just move along the clip. The inclined surface 431 formed by the fixed part 43 of the holding arm 40 guides and slides, so that the abutment part 51 is easily pressed against the fixed part 43 of the clamping arm 40, and then the two ends of the round cable 7 The stable clamp is placed in the cable clamp 3, the clamping process is fast and accurate, and the disassembly is also convenient and quick.

The cable clamp 3 for assembling the round cable 7 and the circuit board 2 is assembled on the transmission guide rail of the production line, and can be transferred to the laser cutting machine along with the guide rail, and the operation of cutting the insulating jacket 14 can be carried out smoothly and accurately. The above operation will The insulating sheath 14 is cut from the position close to the circuit board 2, so as to be transferred to the next station for the operation of separating the metal braid 13, so that the cable assembly is highly automated, saving time and labor, and reducing cable processing and assembly cost purposes.

Of course, the cable clamp of the utility model is not limited to be used on micro-coaxial cables. If a laser cutting machine is used to strip the insulation of ordinary cables, the above-mentioned cable clamp can also be used, with only a slight change in size.

Claims (10)

1. cable clamp, it is characterized in that: it includes base portion, a pair of clamping limb and locking part, described base portion is the lengthwise configuration, the vertical two ends of its upper surface all are formed with accepting groove, described each clamping limb comprises the connecting portion that is connected in rotationally in the above-mentioned accepting groove, reach at the terminal fixed part that forms of clamping limb from the pressure portion of putting that connecting portion extends to base portion central authorities, the above-mentioned pressure portion of putting can fasten and cable is fixed in the base portion upper surface to base portion central authorities, described locking part is arranged at base portion upper face center position, leans with the fixed part of described clamping limb and gives its good location.

2. cable clamp as claimed in claim 1 is characterized in that: described base portion comprise the opposing parallel setting upper and lower surface, be oppositely arranged and long first and second sidewall and being oppositely arranged and short pair of end walls, described wall one links to each other.

3. cable clamp as claimed in claim 2, it is characterized in that: convex with a pair of first jut forward in the first side wall two ends of base portion, before the first side wall mediad of base portion, convex with one second jut, run through the second jut outer surface and second sidewall and be formed with first through hole.

4. cable clamp as claimed in claim 3, it is characterized in that: at the two ends of above-mentioned base portion upper surface all convex be provided with one with the 3rd adjacent jut of above-mentioned first jut, described accepting groove is to form at each the 3rd jut sunken inside respectively, run through the 3rd jut from the first jut outer surface that is positioned at the first side wall one end and be formed with second through hole, run through the 3rd jut and be formed with third through-hole at the first jut place that is positioned on the first side wall next-door neighbour's other end certainly.

5. cable clamp as claimed in claim 4, it is characterized in that: on the mediad of above-mentioned base portion, convex with one in the 4th adjacent jut of above-mentioned second jut, extend respectively towards the 3rd jut direction in the 4th jut both sides and to be provided with, under above-mentioned the 4th jut mediad, run through being provided with third through-hole in order to accommodate a groove of clamping limb fixed part.

6. cable clamp as claimed in claim 5, it is characterized in that: the connecting portion of above-mentioned clamping limb is a cylindrical configuration, in connecting portion, be formed with the axis hole that can supply pivot to pass, described fixed part correspondence is fastened in the set groove in the 4th jut both sides, its thickness specific pressure portion of putting is thin and have an inclined plane that guide function is provided when locking part locked, put subordinate side in described pressure and be equipped with the cushion pad that contacts with cable, this cushion pad is to the extension of the first side wall direction and exceed the clamping limb certain width.

7. cable clamp as claimed in claim 6 is characterized in that: described locking part includes the portion that installs on the fixed part of the 4th jut that is resisted against base portion and clamping limb, the portion of installing is upwards and the rotating part that extends to form to both sides and from installing the guidance part that portion extends to form to a side certainly.

8. cable clamp as claimed in claim 7, it is characterized in that: be formed with a depressed part in rotating part central authorities, under the depressed part mediad, run through the portion of installing and be formed with first perforation, be tiltedly installed with first guiding face in the guidance part bottom surface along the locking part rotation direction, a bottom face of not establishing guidance part in the portion of installing is formed with a breach, is tiltedly installed with second guiding face along the locking part rotation direction in this breach.

9. cable clamp as claimed in claim 8, it is characterized in that: cable clamp also has a rotating shaft, this rotating shaft comprises the head that depressed part is interior and diameter is bigger that is placed in locking part and is placed in the interior less bar portion of diameter of first perforation of locking part, hold described first through hole of corresponding second jut to be provided with second perforation the bar subordinate, run through above-mentioned first through hole and second perforation is provided with the pin that the fixing effect is provided.

10. cable clamp as claimed in claim 9 is characterized in that: run through first and second sidewall of base portion and be formed with some pilot holes, run through end walls in base bottom along longitudinally and be formed with a fitting recess.

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