CN114649108B

CN114649108B - Differential high-speed cable, jig for producing differential high-speed cable and process

Info

Publication number: CN114649108B
Application number: CN202111394152.0A
Authority: CN
Inventors: 张伟; 庞鹤
Original assignee: Sun Round Technology Shenzhen Co ltd
Current assignee: Sun Round Technology Shenzhen Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-11-11
Anticipated expiration: 2041-11-23
Also published as: CN114649108A

Abstract

The application relates to a differential high-speed cable which comprises two conducting wires and two longitudinal-wrapped inner shielding wrapping belts, wherein the two conducting wires are arranged in a side-by-side abutting mode and are wrapped by the two longitudinal-wrapped inner shielding wrapping belts; each longitudinal inner shielding wrapping tape comprises a first connecting part and two second connecting parts, the two first connecting parts are respectively abutted against two opposite sides of the two wires, and two ends of one first connecting part are respectively connected with the two second connecting parts; the two longitudinal inner shielding wrapping tape second connecting parts are arranged in an inner and outer wrapping mode, and one ends, far away from the first connecting parts, of the two second connecting parts on the outer sides are symmetrically arranged relative to the butt joint of the two wires. The differential high-speed cable has the effect of improving the electrical performance of the differential mode-to-common mode loss in the differential high-speed cable.

Description

Differential high-speed cable, jig for producing differential high-speed cable and process

Technical Field

The application relates to the field of cables, in particular to a differential high-speed cable, a jig and a process for producing the differential high-speed cable.

Background

In recent years, with the rapid development of digital technology and data communication networks, and the urgent requirements for high network speed and high operating frequency are high in electromagnetic compatibility and confidentiality, so that the application of differential high-speed cables is very wide.

In the correlation technique, the difference high-speed cable includes two wires and indulges a packet internal shielding band, and wherein two wires set up side by side, indulge a packet internal shielding band and then the cladding is on the week side outer wall of two wires to indulge a packet internal shielding band and carry out the cladding with the mode of one-way package to two wires, thereby reach the mesh that promotes shielding effect and signal transmission performance.

In view of the above-mentioned related technologies, there is a defect that the electrical performance of the differential high-speed cable is poor due to the fact that the shielding tape in the longitudinal package wraps the two wires in a unidirectional wrapping manner, only one edge of the shielding tape in the longitudinal package is exposed to the outside, and the balance of the electromagnetic field between the two signal wires is weakened, thereby causing the loss from the differential mode to the common mode.

Disclosure of Invention

In order to promote the electrical performance of the loss of the differential mode to the common mode in the differential high-speed cable, the application provides the differential high-speed cable, a jig for producing the differential high-speed cable and a process.

In a first aspect, the present application provides a differential high-speed cable, which adopts the following technical scheme:

a differential high-speed cable comprises two conducting wires and two longitudinal-wrapping inner shielding wrapping tapes, wherein the two conducting wires are arranged in a side-by-side abutting mode and are wrapped by the two longitudinal-wrapping inner shielding wrapping tapes; each longitudinal inner shielding wrapping tape comprises a first connecting part and two second connecting parts, the two first connecting parts are respectively abutted against two opposite sides of two wires, and two ends of one first connecting part are respectively connected with the two second connecting parts; the second connecting parts of the two shielding wrapping tapes in the longitudinal wrapping are arranged in an inner-outer wrapping and overlapping mode, and one ends, far away from the first connecting part, of the two second connecting parts on the outer side are symmetrically arranged relative to the butt joint of the two wires.

By adopting the technical scheme, because of the mode that the two longitudinal inner shielding wrapping belts are mutually matched to wrap the two leads, the edge positions of the outer sides of the two longitudinal inner shielding wrapping belts are respectively positioned near the two leads, and the two edge positions are symmetrically arranged relative to the butt joint of the two leads, so the electromagnetic field balance degree between the two leads can be improved, and the electrical performance of the differential mode to common mode loss in the differential high-speed cable can be improved.

Preferably, the two second connecting parts of each longitudinal inner shielding wrapping tape are an inner connecting part and an outer connecting part, the inner side of the inner connecting part is abutted with the lead, and the outer side of the inner connecting part is abutted with the outer connecting part; and a connecting line between one ends of the outer layer connecting parts of the two longitudinal inner shielding wrapping tape, which are far away from the first connecting part, passes through the butt joint between the two leads.

Through adopting above-mentioned technical scheme, then the border position in two longitudinal bags internal shield band outsides is central symmetry structure for butt department between two wires, so be spiral symmetry structure between two longitudinal bags internal shield band, on the one hand, can further promote the electromagnetic field equilibrium degree between two wires, thereby make the electrical properties of difference mode conversion common mode loss further obtain promoting in the difference high-speed cable, on the other hand, when the shielding band outside needs to carry out the band again in the follow-up longitudinal bags internal shield band, spiral symmetry structure between two longitudinal bags internal shield band is difficult for receiving the influence yet, thereby can keep the electrical properties of difference high-speed cable, this kind of design in addition, still make be used for more easily the preparation of the tool of shielding band cladding on two wires in the longitudinal bags, thereby can reduce manufacturing cost.

Preferably, one end of the outer layer connecting part, which is far away from the first connecting part, and the center of the wire closest to the outer layer connecting part form an overlapping rate boundary line, and the overlapping rate boundary line forms an included angle of 45-90 degrees relative to a connecting line between the centers of the two wires.

By adopting the technical scheme, on one hand, a connecting line between the overlapping rate boundary line and the centers of the two leads is a lower limit included angle of 45 degrees, the design mode enables enough abutting area to be formed between the inner layer connecting part and the outer layer connecting part, so that a bolt symmetrical structure formed by the two longitudinal inner shielding wrapping belts is more stable, the electric performance of the differential high-speed cable can be kept in the subsequent process of wrapping belt treatment, on the other hand, the connecting line between the overlapping rate boundary line and the centers of the two leads is an upper limit included angle of 90 degrees, and the design mode enables the parts, which are wrapped together, of the two longitudinal inner shielding belts to be not too much, and the material cost for manufacturing the differential high-speed cable can be saved.

Preferably, the ground wire winding device further comprises two ground wires and a winding outer shielding wrapping tape, the two ground wires are respectively abutted to one side of the two outer layer connecting parts far away from the inner layer connecting part, and a connecting line between centers of the two ground wires passes through the abutted part between the two leads; the outer shielding wrapping tape of the wrapping is arranged around the ground wire and the outer side of the inner shielding wrapping tape of the longitudinal wrapping in an abutting mode.

Through adopting above-mentioned technical scheme, because of the ground wire and around the setting of package external shield band, on the one hand, the ground wire can form the complete structure of cable on the circuit with the wire, and on the other hand can further promote shielding effect around package external shield band to make differential high speed circuit's signal transmission performance obtain promoting.

Preferably, the device further comprises a wrapping hot-melt mylar, wherein the wrapping hot-melt mylar is arranged around the outer side of the wrapping outer shielding wrapping tape in an abutting mode.

Through adopting above-mentioned technical scheme, because of the setting around package hot melt wheat draws, then usable high tensile strength and the electrical characteristic that has around package hot melt wheat draws provide the cladding and the insulation of cable inner structure to can promote the security of difference high-speed cable.

In a second aspect, the present application provides a jig for producing a differential high-speed cable, which adopts the following technical scheme:

a jig for producing a differential high-speed cable comprises a mounting seat and a plurality of tape forming modules, wherein the tape forming modules are arranged on the mounting seat in a linear distribution manner, and each tape forming module is provided with a lead passing hole and two tape holes for passing through shielding tapes in a longitudinal package; the plurality of the tape forming modules are divided into a starting group, a first tape group and a second tape group, the wires sequentially pass through the starting group, the wire passing holes of the starting group are located between the two tape holes, and the wires are not communicated with the tape holes through the wire passing holes; after passing through the first wrapping band group, the inner layer connecting part is abutted with the lead; after passing through the second wrapping band group, the first connecting part is abutted with the lead, and the outer layer connecting part is abutted with the outer side of the inner layer connecting part.

By adopting the technical scheme, when the longitudinal in-package shielding belting is to be coated on two leads, the two leads penetrate into the lead passing holes of the initial group, the two longitudinal in-package shielding belting penetrate into the two belting holes of the initial group, then the leads are pulled and the longitudinal in-package shielding belting moves towards the direction of the second belting group, wherein after the leads pass through the first belting group, the inner connecting part and the butt are arranged on the outer wall of the leads, after the leads pass through the second belting group, the first connecting part is abutted on the outer wall of the leads, the outer connecting part is abutted on the outer side of the inner connecting part, so that two longitudinal in-package shielding belting coating operations are completed.

Preferably, the second strap component is a covered wire group, a first folded group and a second folded group through which the wire passes in sequence, and the first connecting part abuts against the wire after passing through the covered wire group; after passing through the first stacked group, the half of the outer layer connecting part close to the first connecting part is abutted with the outer side of the inner layer connecting part; after passing through the second folding group, the half of the outer layer connecting part far away from the first connecting part is abutted with the outer side of the inner layer connecting part.

Through adopting above-mentioned technical scheme, when the wire passes through second band group, the wire can say the envelope group earlier, the earlier butt of first connecting portion this moment is on the outer wall of wire, the wire can pass through first package group then, the outer connecting portion is close to half butt of first connecting portion this moment on the outside of inlayer connecting portion, then the wire can pass through second package group, the outer connecting portion is kept away from half butt of first connecting portion this moment on the outside of inlayer connecting portion, thereby just accomplish the cladding work of shielding band in indulging the package, this kind of design, the butt order is inlayer connecting portion butt on the wire in proper order, first connecting portion butt is on the wire, half butt that outer connecting portion is close to first connecting portion is on the inlayer connecting portion, half butt that outer connecting portion kept away from first connecting portion is on the inlayer connecting portion, so both reach the mesh of the inside and outside band of inlayer connecting portion and outer connecting portion and wrap, also make two indulge the interior shielding of package can be inseparabler, thereby help promoting the stability of the spiral symmetrical structure that two indulge interior shields of package formed.

Preferably, a mounting hole with a cross-shaped section is formed in the surface of one side, which is abutted to the belt forming module, of the mounting seat; the mounting seat is provided with a clamping and embedding groove with a cross-shaped section on the surface of one side far away from the belt forming module, the clamping and embedding groove and the mounting hole are concentrically arranged, and the clamping and embedding groove has angular deviation rotating around the center of the mounting hole relative to the mounting hole; the belt forming module is provided with a connecting assembly, the connecting assembly comprises a fixed rod, a connecting pipe, a clamping block and a resetting piece, one end of the fixed rod is fixedly connected to the belt forming module, and the other end of the fixed rod can penetrate through the center of the mounting hole; one end of the connecting pipe is movably sleeved on the fixed rod, the connecting pipe can rotate around the fixed rod, and the connecting pipe can slide along the fixed rod; the clamping block is in a shape matched with the mounting hole and the clamping and embedding groove, the center of the clamping block is fixedly connected with one end, far away from the wrapping tape forming module, of the connecting pipe, and a force application hook is connected to one side, far away from the connecting pipe, of the clamping block; reset the piece setting and be in on the dead lever, and reset the piece with the connecting pipe is connected, moreover when the connecting pipe is at the within range rotation of predetermineeing the angle, reset the piece and enable the connecting pipe is to being close to the direction removal of band shaping module, and make the joint piece supports tightly in the inlay card groove.

Through adopting above-mentioned technical scheme, when will installing band shaping module, earlier place band shaping module on the mount pad, joint piece is in the mounting hole this moment and keeps away from on one side of band shaping module, pull joint piece through the application of force hook after that, so that the joint piece breaks away from to the direction of keeping away from band shaping module, then rotate joint piece and make joint piece aim at the caulking groove, loosen joint piece at last, then the piece that resets just can make the joint piece to remove to the direction that is close to band shaping module, so the joint piece just can imbed the caulking groove and support tightly in the caulking groove, thereby just reach the purpose that makes band shaping module detachable connection on the mount pad, this kind of design, on the one hand, after band shaping module is placed on the mount pad, only need through a pulling joint piece, and rotate the caulking piece can, thereby make the installation of band shaping module take and make things convenient more, on the other hand, can select corresponding shaping module according to the requirement of product, thereby help promoting the adaptation nature of tool.

Preferably, the reset member comprises a limiting ring, a rotating ring and a spring, and the limiting ring is fixedly sleeved on the fixing rod; the rotating ring is rotatably sleeved on the fixed rod through a bearing, and a baffle is formed on one side, close to the belting forming module, of the rotating ring and one side, close to the limiting ring, of the limiting ring; one end of the spring is fixedly connected with the rotating ring, and the other end of the spring is fixedly connected with one end of the connecting pipe, which is close to the belting forming module.

Through adopting above-mentioned technical scheme, be in the mounting hole when the joint piece and keep away from on one side of band shaping module, make the joint piece break away from the joint hole to the direction of keeping away from band shaping module through the application of force hook earlier, meanwhile the spring can take place extension deformation, make the joint piece rotate in order to aim at the inlay card groove after that, meanwhile the swivel becket can rotate around the axis of dead lever, then the joint piece of loosening again, then the spring can be with the elastic force effect of self on the joint piece, so that in the joint piece embedding joint groove, thereby just reach the joint piece and can do straight reciprocating motion and also can be the pivoted purpose, the setting of spacing ring in addition, when can making the spring take place extension deformation, the swivel becket is difficult to be followed the axis removal of dead lever, thereby can keep the compactness in the inlay card groove of joint piece.

In a third aspect, the present application provides a process for producing a differential high-speed cable, which adopts the following technical scheme:

a process for producing a differential high-speed cable comprising the steps of:

s1: enabling the two shielding wrapping belts in the longitudinal wrapping to be respectively positioned at two opposite sides of the two leads, and enabling a preset distance to exist between the shielding wrapping belts in the longitudinal wrapping and the leads;

s2: enabling the inner layer connecting part to surround the outer side of the lead and enabling the inner layer connecting part to be abutted against the outer wall of the lead;

s3: abutting the first connecting part against the outer walls of the two wires;

s4: enabling the outer layer connecting part to be close to the first connecting part, enabling half of the first connecting part to surround the outer side of the inner layer connecting part, and enabling the outer connecting part to be abutted against the inner layer connecting part;

s5: and enabling the outer layer connecting part to be far away from the first connecting part to surround the outer side of the inner layer connecting part in a half way, and enabling the outer layer connecting part to be abutted against the inner layer connecting part.

Through adopting above-mentioned technical scheme, two indulge the mode that the internal shield band of package set up that is lower part package, on the one hand, make two indulge to become spiral symmetrical structure behind the internal shield band cladding of package, can promote the electromagnetic field equilibrium degree between two wires by a wide margin, thereby make the electrical property that difference mould changes the common mode loss in the difference high-speed cable further promote better, on the other hand, compare in a mode of indulging the internal shield band of package, this kind of design, a preparation that is used for indulging the internal shield band cladding of package tool on the wire will remove can be simpler, thereby help reducing manufacturing cost.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the two longitudinal inner shielding wrapping belts, the edge positions of the outer sides of the two longitudinal inner shielding wrapping belts are respectively positioned near the two leads, and the two edge positions are also symmetrically arranged relative to the butt joint of the two leads, so that the electromagnetic field balance degree between the two leads can be improved, and the electrical performance of differential mode to common mode loss in the differential high-speed cable is improved;

2. the edge positions of the outer sides of the two longitudinal inner shielding wrapping belts are centrosymmetric relative to the butt joint between the two leads, so that the two longitudinal inner shielding wrapping belts are in a spiral symmetric structure, on one hand, the electromagnetic field balance degree between the two leads can be further improved, and the electrical performance of differential mode to common mode loss in the differential high-speed cable is further improved, on the other hand, when the outer sides of the subsequent longitudinal inner shielding wrapping belts need to be subjected to wrapping belt treatment, the spiral symmetric structure between the two longitudinal inner shielding wrapping belts is not easily influenced, and the electrical performance of the differential high-speed cable can be maintained;

3. through the setting of second wrapping band group including package group, first package group and second package group, both reached the inside and outside purpose of wrapping up of inner connecting portion and outer connecting portion, also make two indulge a package internal shield band can be inseparabler with the cladding to help promoting two and indulge the stability of wrapping up the spiral symmetrical structure that internal shield band formed.

Drawings

Fig. 1 is a schematic cross-sectional view of a differential high-speed cable in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a jig for producing a differential high-speed cable in an embodiment of the present application.

Fig. 3 is a schematic diagram illustrating a specific structure of the start group and the first packet group in the embodiment of the present application.

Fig. 4 is a schematic diagram illustrating a specific structure of a packet group and a first packet stack in the embodiment of the present application.

Fig. 5 is a schematic diagram of a specific structure of a second stacked group according to an embodiment of the present application.

Fig. 6 is a schematic view of the structure of the side of the mounting seat close to and far from the belting forming module according to the embodiment of the application.

Fig. 7 is a schematic diagram of a connecting assembly according to an embodiment of the present disclosure.

Description of reference numerals: 1. a wire; 2. longitudinally wrapping an inner shielding wrapping tape; 21. a first connection portion; 22. a second connecting portion; 221. an inner layer connecting portion; 222. an outer layer connecting part; 3. an overlap rate boundary line; 4. a ground wire; 41. wrapping an outer shielding wrapping tape; 42. wrapping hot melt Mylar; 5. a mounting seat; 51. mounting holes; 52. a clamping groove; 6. a belt forming module; 61. a starting group; 62. a first pack group; 63. a second group of bands; 631. a wire wrapping group; 632. a first stacked group; 633. a second folded set; 64. the lead passes through the hole; 65. wrapping a hole; 651. an inner layer portion; 652. an intermediate portion; 653. an outer layer part; 7. a connecting assembly; 71. fixing the rod; 72. a connecting pipe; 73. a clamping block; 731. a force application hook; 74. a reset member; 741. a limiting ring; 742. a rotating ring; 743. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a differential high-speed cable. Referring to fig. 1, the differential high-speed cable includes two wires 1 and two longitudinal shielding wrapping tapes 2, wherein the cross-sections of the two wires 1 are circular, and the two wires 1 are arranged side by side, and the outer walls of the two wires 1 are mutually abutted.

Referring to fig. 1, each longitudinal inner shielding tape 2 includes a first connecting portion 21 and two second connecting portions 22, specifically, the two first connecting portions 21 abut against two opposite sides of the two wires 1, the length direction of the first connecting portion 21 is parallel to the connecting line between the centers of the two wires 1, and two ends of the first connecting portion 21 are fixedly connected to the two second connecting portions 22 integrally, respectively.

Referring to fig. 1, one end of each of the two outer layer connecting portions 222, which is far from the first connecting portion 21 of the corresponding longitudinal shielding tape 2, is located near each of the two wires 1, and the connecting line between the two ends passes through the joint between the two wires 1, so that the structure covered by the two longitudinal shielding tapes 2 is a spiral symmetrical structure, and the electromagnetic field balance between the two wires 1 is greatly improved, and thus the electrical performance of the differential mode conversion loss of the differential high-speed cable is greatly improved.

Referring to fig. 1, in the present embodiment, the differential high-speed cable further includes two ground wires 4, a wrapping outer shielding tape 41, and a wrapping hot-melt mylar 42, where the two ground wires 4 are respectively abutted against the outer sides of the two outer layer connecting portions 222, a connection line between centers of the two ground wires 4 passes through an abutting portion between the two wires 1, and the connection line between the centers of the two ground wires 4 is parallel to the connection line between the centers of the two wires 1; the outside that wraps external shield band 41 around ground wire 4 and indulge package internal shield band 2 sets up to wrap external shield band 41 still with ground wire 4 and indulge package internal shield band 2 butt, and wrap hot melt wheat and draw 42 then around the outside setting that wraps external shield band 41, draw 42 and the outside butt that wraps external shield band 41 around wrapping hot melt wheat in addition, thereby just formed differential high speed cable's complete structure.

The implementation principle of the differential high-speed cable in the embodiment of the application is as follows: because the edge positions of the outer sides of the two longitudinal inner shielding wrapping tapes 2 are centrosymmetric relative to the butt joint between the two leads 1, the structure coated between the two longitudinal inner shielding wrapping tapes 2 is in a spiral symmetric structure, so that the electromagnetic field balance degree between the two leads 1 is greatly improved, and the electrical performance of the differential mode to common mode loss in the differential high-speed cable is greatly improved.

The embodiment of the application also discloses a jig for producing the differential high-speed cable. Referring to fig. 2 and 3, the jig for producing the differential high-speed cable comprises a mounting seat 5 and a plurality of tape forming modules 6, wherein the tape forming modules 6 are mounted on the mounting seat 5 in a linearly distributed manner.

Referring to fig. 1 and 3, the tape forming modules 6 are provided with wire passing holes 64 and two tape holes 65 through which the longitudinal tape inner shielding tapes 2 pass, and the tape forming modules 6 are divided into a starting group 61, a first tape group 62 and a second tape group 63 through which the wires 1 sequentially pass, wherein on the starting group 61, the wire passing holes 64 are oval, the wire passing holes 64 are located between two Bao Daikong, and the wire passing holes 64 and the two Bao Daikong are not communicated with each other, so that when two wires 1 and the longitudinal tape inner shielding tapes 2 pass through the starting group 61, the longitudinal tape inner shielding tapes 2 can be used as a starting position for starting to cover the longitudinal tape inner shielding tapes 2 on the two wires 1.

Referring to fig. 3, bao Daikong on the first and

second band groups

62 and 63 are divided into an inner layer portion 651, an intermediate portion 652 and an outer layer portion 653, specifically, the inner layer portion 651 is used for the inner layer connecting portion 221 to pass through, the intermediate portion 652 is used for the first connecting portion 21 to pass through, and the outer layer portion 653 is used for the outer layer connecting portion 222 to pass through, wherein on the first band group 62, the inner layer portion 651 is communicated with the lead passing hole 64 and the communication position is located on one of the arc inner walls of the lead passing hole 64, so that after the lead 1 and the longitudinal-wrapped shielding band 2 pass through the first band group 62, the inner layer connecting portion 221 abuts against the outer wall of the lead 1, thereby completing the first-step wrapping operation.

Referring to fig. 1 and 4, the second wrapping band group 63 is further divided into a wrapping band group 631, a first stacked group 632 and a second stacked group 633, wherein the middle portion 652 of the wrapping band group 631 is connected to the wire passing holes 64, and the connection portion is located on the inner wall of the wire passing holes 64, which is in a straight line transition, so that the first connection portion 21 is simultaneously abutted to the outer walls of the two wires 1 after the wires 1 and the shielding wrapping band 2 pass through the wrapping band group 631; in the first stacked group 632, since the half of the outer layer portion 653 close to the intermediate portion 652 communicates with the inner layer portion 651 of the other Bao Daikong, after the lead wire 1 and the vertical inner shielding tape 2 pass through the first stacked group 632, the half of the outer layer connecting portion 222 close to the first connecting portion 21 comes into contact with the outer side of the inner layer connecting portion 221 of the other vertical inner shielding tape 2.

Referring to fig. 1 and 5, in the second stacked group 633, a half of the outer layer 653, which is far from the middle portion 652, is communicated with an inner layer 651 of another Bao Daikong, so that after the wire 1 and the longitudinal shielding tape 2 pass through the second stacked group 633, a half of the outer layer connecting portion 222, which is far from the first connecting portion 21, is abutted against an outer side of the inner layer connecting portion 221 of another longitudinal shielding tape 2, so that the complete wrapping processing of the longitudinal shielding tape 2 is completed, and the tape sequence is that the inner layer connecting portion 221 is abutted against the wire 1, the first connecting portion 21 is abutted against the wire 1, a half of the outer layer connecting portion 222, which is close to the first connecting portion 21, is abutted against the inner layer connecting portion 221, and a half of the outer layer connecting portion 222, which is far from the first connecting portion 21, is abutted against the inner layer connecting portion 221.

Referring to fig. 2 and 6, in this embodiment, in order to detachably connect the strap forming module 6 to the strap forming module 6, a mounting hole 51 with a cross-shaped cross-section is formed on a side surface of the mounting seat 5 close to the strap forming module 6, and the mounting hole 51 is communicated to a side surface of the mounting seat 5 far away from the strap forming module 6; one side surface that mount pad 5 kept away from band forming module 6 has then seted up the cross-section and has been the criss-cross inlay card groove 52, and wherein inlay card groove 52 and mounting hole 51 concentric settings, nevertheless has between inlay card groove 52 and the mounting hole 51 around central pivoted angular migration to just form the structure basis of being band forming module 6 installation on the mount pad 5.

Referring to fig. 6 and 7, a connecting assembly 7 is arranged on the bag belt forming module 6, specifically, the connecting assembly 7 includes a fixing rod 71, a connecting pipe 72, a clamping block 73 and a resetting piece 74, wherein the fixing rod 71 is in a round rod shape, one end of the fixing rod 71 is fixedly connected with the bag belt forming module 6, and the other end of the fixing rod can penetrate through the center of the mounting hole 51; the connecting pipe 72 is movably sleeved on the fixing rod 71, and the connecting pipe 72 can also penetrate through the center of the mounting hole 51; the cross-section of joint piece 73 also is cross shape, wherein joint piece 73 can pass mounting hole 51, also can imbed in the inlay card groove 52, and the central point of joint piece 73 puts and connecting pipe 72 keeps away from the one end fixed connection of belting shaping module 6, and joint piece 73 keeps away from one side of connecting pipe 72 and still is fixed with application of force hook 731 on the surface, so joint piece 73 can pass mounting hole 51 earlier, and move to mount pad 5 and keep away from on one side of belting shaping module 6, make then in self embedding inlay card groove 52, make joint piece 73 and belting shaping module 6 have the trend of being close to each other if there is external force this moment, thereby just can make belting shaping module 6 fixed on mount pad 5.

Referring to fig. 6 and 7, the resetting member 74 includes a limiting ring 741, a rotating ring 742 and a spring 743, the limiting ring 741 is coaxially and fixedly sleeved on the fixing rod 71, the rotating ring 742 is rotatably sleeved on the fixing rod 71 through a bearing, the rotating ring 742 is located on a side of the limiting ring 741 close to the tape forming module 6, and the rotating ring 742 and the limiting ring 741 close to the side of the tape forming module 6 are blocked, so that the rotating ring cannot move along the axial direction of the fixing rod 71; the spring 743 is sleeved on the fixing rod 71, one end of the spring 743 is fixedly connected with the rotating ring 742, and the other end of the spring 743 is fixedly connected with the connecting pipe 72, so that the connecting pipe 72 can rotate, and can also slide back and forth along the axial direction of the fixing rod 71 under the action of the spring 743.

Refer to fig. 6 and fig. 7, when will take shaping module 6 to fix on mount pad 5, will take shaping module 6 to place on mount pad 5 earlier, meanwhile make and take shaping module 6 butt on mount pad 5, and joint piece 73 is in the mounting hole 51 and keeps away from on one side of taking shaping module 6, make joint piece 73 shift out mounting hole 51 to the direction of keeping away from taking shaping module 6 through application of force hook 731 after that, then rotatory joint piece 73 so that joint piece 73 aligns the inlay card groove 52, at last from opening joint piece 73, spring 743 can be used in joint piece 73 with self elastic force this moment, thereby just make joint piece 73 can imbed and support tightly in inlay card groove 52, and then just reach the purpose of taking shaping module 6 detachable connection on mount pad 5.

In addition, the process for producing the differential high-speed cable according to the present application is described in detail in the jig, and thus, the detailed description is not repeated herein.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A differential high speed cable, characterized by: the shielding and shielding combined type cable comprises two leads (1) and two longitudinal inner shielding wrapping bands (2), wherein the two leads (1) are arranged in a side-by-side abutting mode, and the two leads (1) are wrapped by the two longitudinal inner shielding wrapping bands (2); each longitudinal inner shielding wrapping tape (2) comprises a first connecting part (21) and two second connecting parts (22), one first connecting part (21) is abutted to the same side of each of the two wires (1), the two first connecting parts (21) are respectively abutted to two sides of each of the wires (1), and two ends of one first connecting part (21) are respectively connected with the two second connecting parts (22) belonging to the same longitudinal inner shielding wrapping tape (2); the second connecting parts (22) of the two longitudinal inner shielding wrapping tapes (2) are arranged in an inner and outer wrapping mode, and one ends, far away from the first connecting part (21), of the two second connecting parts (22) on the outer sides are symmetrically arranged relative to the butt joint of the two wires (1).

2. The differential high-speed cable of claim 1, wherein: the two second connecting parts (22) of each longitudinal inner shielding wrapping tape (2) are divided into an inner connecting part (221) and an outer connecting part (222), the inner side of the inner connecting part (221) is abutted with the lead (1), and the outer side of the inner connecting part (221) is abutted with the outer connecting part (222); the connecting line between the outer layer connecting parts (222) of the two longitudinal inner shielding wrapping tape (2) and one end far away from the first connecting part (21) passes through the abutting part between the two wires (1).

3. A differential high speed cable according to claim 2, wherein: one end of the outer layer connecting part (222) far away from the first connecting part (21) and the center of the wire (1) closest to the outer layer connecting part form an overlapping rate boundary line (3), and the overlapping rate boundary line (3) forms an included angle of 45-90 degrees relative to a connecting line between the centers of the two wires (1).

4. The differential high-speed cable of claim 2, wherein: the ground wire is characterized by further comprising two ground wires (4) and a wrapping outer shielding wrapping tape (41), wherein the two ground wires (4) are respectively abutted against one side of the two outer layer connecting parts (222) far away from the inner layer connecting part (221), and a connecting line between the centers of the two ground wires (4) passes through the abutted part between the two leads (1); the wrapping outer shielding wrapping tape (41) surrounds the ground wire (4) and is connected with the outer side of the longitudinal wrapping inner shielding wrapping tape (2) in an abutting mode.

5. The differential high-speed cable of claim 4, wherein: the hot-melting mylar winding device is characterized by further comprising a winding hot-melting mylar (42), wherein the winding hot-melting mylar (42) surrounds the outer side of the winding outer shielding wrapping tape (41) in an abutting mode.

6. A jig for producing differential high-speed cables, based on the differential high-speed cable of any one of claims 2 to 5, characterized in that: the shielding tape wrapping machine comprises a mounting seat (5) and a plurality of tape forming modules (6), wherein the tape forming modules (6) are arranged on the mounting seat (5) in a linear distribution manner, and each tape forming module (6) is provided with a wire passing hole (64) and two tape holes (65) for passing through shielding tapes (2) in a longitudinal tape; the plurality of tape forming modules (6) are divided into a starting group (61), a first tape group (62) and a second tape group (63) through which the wires (1) pass in sequence, the wire passing holes (64) of the starting group (61) are located between the two tape holes (65), and the wire passing holes (64) are not communicated with the tape holes (65); after passing through the first wrapping band group (62), the inner layer connecting part (221) is abutted with the lead wire (1); after passing through the second band group (63), the first connection portion (21) abuts against the lead wire (1), and the outer layer connection portion (222) abuts against the outer side of the inner layer connection portion (221).

7. The jig for producing differential high-speed cables of claim 6, wherein: the second band group (63) is divided into a covered wire group (631), a first stacked group (632) and a second stacked group (633) through which the lead wire (1) passes in sequence, and the first connection part (21) abuts against the lead wire (1) after passing through the covered wire group (631); after passing through the first stacked group (632), a half of the outer layer connecting portion (222) close to the first connecting portion (21) abuts against the outer side of the inner layer connecting portion (221); after passing through the second folded group (633), the half of the outer layer connecting portion (222) away from the first connecting portion (21) abuts against the outer side of the inner layer connecting portion (221).

8. The jig for producing differential high-speed cables of claim 6, wherein: a mounting hole (51) with a cross-shaped section is formed in the surface of one side, which is abutted against the belting forming module (6), of the mounting seat (5); the mounting seat (5) is provided with a clamping and embedding groove (52) with a cross-shaped section on the surface of one side far away from the belting forming module (6), the clamping and embedding groove (52) is concentrically arranged with the mounting hole (51), and the clamping and embedding groove (52) has an angular offset rotating around the center of the mounting hole (51) relative to the mounting hole (51); the bag belt forming module (6) is provided with a connecting assembly (7), the connecting assembly (7) comprises a fixing rod (71), a connecting pipe (72), a clamping block (73) and a resetting piece (74), one end of the fixing rod (71) is fixedly connected to the bag belt forming module (6), and the other end of the fixing rod (71) can penetrate through the center of the mounting hole (51); one end of the connecting pipe (72) is movably sleeved on the fixing rod (71), the connecting pipe (72) can rotate around the fixing rod (71), and the connecting pipe (72) can slide along the fixing rod (71); the clamping block (73) is in a shape matched with the mounting hole (51) and the clamping and embedding groove (52), the center of the clamping block (73) is fixedly connected with one end, away from the wrapping tape forming module (6), of the connecting pipe (72), and one side, away from the connecting pipe (72), of the clamping block (73) is connected with a force application hook (731); the reset piece (74) is arranged on the fixing rod (71), the reset piece (74) is connected with the connecting pipe (72), when the connecting pipe (72) rotates within a preset angle range, the reset piece (74) can enable the clamping block (73) to move towards the direction close to the wrapping tape forming module (6), and the clamping block (73) is abutted against the clamping groove (52).

9. The jig for producing differential high-speed cables according to claim 8, wherein: the reset piece (74) comprises a limiting ring (741), a rotating ring (742) and a spring (743), and the limiting ring (741) is fixedly sleeved on the fixing rod (71); the rotating ring (742) is rotatably sleeved on the fixing rod (71) through a bearing, and the rotating ring (742) and the limiting ring (741) form a separation block at one side close to the belt forming module (6); one end of the spring (743) is fixedly connected with the rotating ring (742), and the other end of the spring is fixedly connected with one end, close to the wrapping tape forming module (6), of the connecting pipe (72).

10. A process for a differential high-speed cable, based on any one of claims 2 to 5, characterized in that it comprises the following steps:

s1: enabling the two longitudinal inner shielding wrapping bands (2) to be respectively positioned at two opposite sides of the two leads (1), and enabling a preset distance to exist between the longitudinal inner shielding wrapping bands (2) and the leads (1);

s2: surrounding the inner layer connection part (221) on the outer side of the lead (1), and abutting the inner layer connection part (221) with the outer wall of the lead (1);

s3: bringing the first connection portion (21) into abutment with the outer walls of the two wires (1);

s4: making the outer layer connecting part (222) close to the half of the first connecting part (21) surround the outer side of the inner layer connecting part (221), and making the outer layer connecting part (222) abut against the inner layer connecting part (221);

s5: the outer layer connecting portion (222) is made to surround the outer side of the inner layer connecting portion (221) by a half away from the first connecting portion (21), and the outer layer connecting portion (222) is made to abut against the inner layer connecting portion (221).