CN214476506U

CN214476506U - Transmission line

Info

Publication number: CN214476506U
Application number: CN202120452381.2U
Authority: CN
Inventors: 朱寿平; 肖国良; 杨长春; 钟先梁
Original assignee: Guangdong Quanjie Technology Co Ltd
Current assignee: Guangdong Quanjie Technology Co Ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-10-22
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses a transmission line, including the cable body, the support ring of metal, conducting ring and connection end, the cable body includes from interior to the outer conductive layer of establishing of overlapping in proper order, weaving layer and crust, the support ring cover of metal is established on the crust, the conducting ring cover is established on the support ring and form the centre gripping clearance between the inside wall of conducting ring and the lateral wall of support ring, partial weaving layer extends the setting in the centre gripping clearance from the one end of cable body, the connection end includes the shell of metal and the pin subassembly of being connected with the shell, conductive layer and pin subassembly electric connection, a pot head of shell is established on the conducting ring, this design makes transmission line firm in connection inseparable, better signal shielding performance has, signal transmission is accurate, and is stable.

Description

Transmission line

Technical Field

The utility model relates to a transmission line technical field, in particular to transmission line.

Background

The traditional transmission line generally comprises a cable body and a connecting end arranged at one end of the cable body, wherein the cable body is sequentially sleeved with a conductor layer, a braided layer and a sheath from inside to outside, the sheath is generally made of rubber or resin materials and has certain elasticity, the braided layer can provide the effect of shielding external interference for the conductor layer, the requirement of the transmission line on shielding external signals is not high in the past, the requirement on the accuracy and the stability of signal transmission is improved along with the increasing development of science and technology, in order to enhance the overall shielding effect of the transmission line, when the cable body is butted with the connecting end, the conductor layer is required to be electrically connected with a pin component of the connecting end, the braided layer is required to be connected with a shell of the connecting end, the sheath and the shell are used for clamping and fixing, so that the braided layer is contacted with the shell, but in the using process, the crust is easy ageing for the centre gripping is not hard up, leads to the resistance improvement on the connecting path, and shielding effect descends by a wide margin.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a transmission line, firm in connection is inseparable, has better signal shielding performance, and signal transmission is accurate, stable.

According to the utility model discloses a transmission line of first aspect embodiment includes: the cable comprises a cable body and a cable core, wherein the cable body comprises a conductor layer, a braid layer and a sheath which are sequentially sleeved from inside to outside; the metal support ring is sleeved on the outer skin; the conducting ring is sleeved on the supporting ring, a clamping gap is formed between the inner side wall of the conducting ring and the outer side wall of the supporting ring, and a part of the braided layer extends from one end of the cable body and is arranged in the clamping gap; the connecting end comprises a metal shell and a pin assembly connected with the shell, the conductor layer is electrically connected with the pin assembly, and one end of the shell is sleeved on the conducting ring.

According to the utility model discloses transmission line has following beneficial effect at least:

the utility model discloses transmission line, the support ring of metal is cyclic annular cover and establishes on the crust, because the metal material has stable characteristic, there is certain toughness, be difficult for the overwork atrophy, can maintain invariable girth for a long time, thereby the inseparable centre gripping weaving layer of conducting ring on the support ring is cup jointed in the cooperation, firm in connection is inseparable, make weaving layer and conducting ring fully contact, internal resistance greatly reduced between weaving layer and the conducting ring, and be difficult to make the internal resistance increase because of the increase of live time, in addition the conducting ring earlier with weaving layer in close contact with, be connected with the shell through cyclic annular structure again, provide great electrically conductive area, make the internal resistance between weaving layer and the shell also corresponding reduction, thereby make the transmission line have better signal shielding performance, signal transmission is accurate, it is stable.

According to the utility model discloses a some embodiments, pin subassembly includes end shell, pin seat and sets up many pin bodies on the pin seat, the end shell cover is established on the pin seat, the other end of shell with the end shell is connected, the conductive layer with pin body electric connection, be provided with the encapsulating layer in the shell, the encapsulating layer parcel the conductive layer with the hookup location of the pin body.

According to some embodiments of the utility model, irritate the glue film with be provided with the conducting layer between the shell, the end shell constitutes for metal material, the conducting layer respectively with the conducting ring and the end shell is connected.

According to some embodiments of the utility model, the conducting layer parcel is in irritate on the lateral wall of glue film.

According to some embodiments of the invention, the conductive layer is integrally formed with the conductive ring.

According to some embodiments of the invention, the support ring is made of iron or iron alloy material; the conducting ring is made of copper material.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a cable body according to one embodiment of the transmission line of the present invention;

fig. 2 is a schematic structural diagram of a support ring according to an embodiment of the transmission line of the present invention;

FIG. 3 is a schematic diagram of a conductive ring according to one embodiment of the transmission line of the present invention;

fig. 4 is a schematic structural diagram of a connection terminal according to one embodiment of the transmission line of the present invention;

fig. 5 is a schematic structural view of an encapsulating layer according to one embodiment of the transmission line of the present invention;

fig. 6 is a schematic structural diagram of a conductive layer according to an embodiment of the transmission line of the present invention.

Reference numerals:

cable body 100, conductor layer 110, braid layer 120, sheath 130, support ring 200, conductive ring 300, connection tip 400, shell 410, pin assembly 420, tip shell 421, pin base 422, pin body 423, conductive layer 500, and potting compound layer 600.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the orientation description, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, a transmission line according to an embodiment of the first aspect of the present invention includes a cable body 100, a metal support ring 200, a conductive ring 300 and a connection terminal 400, the cable body 100 includes a conductive layer 110, a braid layer 120 and a sheath 130, which are sequentially sleeved from inside to outside, the metal support ring 200 is sleeved on the sheath 130, the conductive ring 300 is sleeved on the support ring 200 and a clamping gap is formed between an inner sidewall of the conductive ring 300 and an outer sidewall of the support ring 200, a portion of the braid layer 120 extends from one end of the cable body 100 and is disposed in the clamping gap, the connection terminal 400 includes a metal shell 410 and a pin assembly 420 connected to the shell 410, the conductive layer 110 is electrically connected to the pin assembly 420, and a terminal of the shell 410 is sleeved on the conductive ring 300.

Wherein, the braid 120 is woven by aluminum-magnesium alloy wires or copper-clad steel wires, and the support ring 200 is made of iron or iron alloy materials, but not limited thereto; the conductive ring 300 is made of copper, but not limited thereto, and may be made of silver; the iron or iron alloy material has good strength, ductility and stability, and the cost is relatively low, even if the sheathed sheath 130 is aged and shrunk, the support ring 200 can maintain a ring shape for a long time, while the copper material also has good stability, and the copper material has strong conductive capability, reduces the connection resistance, and improves the shielding capability.

The utility model discloses transmission line, metallic support ring 200 is cyclic annular cover and establishes on crust 130, because the metal material has stable characteristic, there is certain toughness, be difficult for the overstrain atrophy, can maintain invariable girth for a long time, thereby the inseparable centre gripping weaving layer 120 of conducting ring 300 on support ring 200 is cup jointed in the cooperation, firm in connection is inseparable, make weaving layer 120 and conducting ring 300 fully contact, internal resistance greatly reduced between weaving layer 120 and the conducting ring 300, and be difficult to make the internal resistance increase because of the increase of live time, conducting ring 300 earlier with weaving layer 120 in close contact with in addition, be connected with shell 410 through cyclic annular structure again, provide great electrically conductive area, make the internal resistance between weaving layer 120 and the shell 410 also correspondingly reduce, thereby make the transmission line have better signal shielding performance, signal transmission is accurate, it is stable.

In some embodiments of the present invention, as shown in fig. 5, the pin assembly 420 includes a terminal shell 421, a pin base 422 and a plurality of pin bodies 423 disposed on the pin base 422, the terminal shell 421 is sleeved on the pin base 422, the other end of the housing 410 is connected to the terminal shell 421, the conductive layer 110 is electrically connected to the pin bodies 423, a glue filling layer 600 is disposed in the housing 410, and the glue filling layer 600 covers the connecting position between the conductive layer 110 and the pin bodies 423.

Offer a plurality of mounting grooves in the pin base 422, the pin body 423 one-to-one wears to establish in the mounting groove, thereby the end shell 421 cover is established and is established the notch of closed mounting groove on pin base 422, the both ends of the pin body 423 expose from the mounting groove both ends respectively separately, the one end of the pin body 423 is used for being connected with outside electronic equipment, the other end and the conductor layer 110 of the pin body 423 are connected, conductor layer 110 can comprise a plurality of wires, come mutual isolation through the insulation cover between the different wires, the wire can weld each other with the pin body 423, then set up encapsulating layer 600, can place outside aqueous vapor or gray layer and corrode hookup location, encapsulating layer 600 makes wire and pin body 423 firm in connection stable simultaneously.

In some embodiments of the present invention, as shown in fig. 4 and 6, a conductive layer 500 is disposed between the potting layer 600 and the housing 410, the terminal housing 421 is made of a metal material, the conductive layer 500 is connected to the conductive ring 300 and the terminal housing 421, the conductive layer 500 is disposed on the potting layer 600 by using the shape of the potting layer 600, so as to further shield the intrusion of external interference signals, and the conductive layer 500 can contact with the inner wall of the housing 410, so as to further reduce the connection internal resistance and improve the overall shielding performance, specifically, the conductive layer 500 can be made of copper or silver, meanwhile, the conventional transmission line is in contact conductive connection with the terminal housing by using the housing 410, but is easy to loose and has weak shielding performance, while in the embodiments of the present invention, the conductive layer 500 is connected to the conductive ring 300 and the terminal housing 421 respectively, and part of the terminal housing 421 is covered by the conductive layer 500, the shell 410 further presses the conductive layer 500 against the conductive ring 300 and the terminal housing 421, so that the conductive layer 500 is in close contact with the conductive ring 300 and the terminal housing 421 for conduction, thereby improving the shielding performance.

The utility model discloses an in some embodiments, conducting layer 500 parcel is on the lateral wall of encapsulating layer 600 to conducting layer 500 forms the side ring, can all-roundly prevent the invasion of external interference signal, improves shielding capacity.

In some embodiments of the present invention, the conductive layer 500 and the conductive ring 300 are integrally formed, the conductive layer 500 and the conductive ring 300 can be made of the same material, the integrally formed conductive layer 500 is more tightly connected to the conductive ring 300, and the conductive ring 300 and the conductive layer 500 are both connected to the housing 410, so that the flow guiding path between the conductive ring 300, the conductive layer 500 and the housing 410 is greatly widened, the internal resistance is greatly reduced, and the shielding capability is further improved.

The manufacturing process of the transmission line, as shown in fig. 1 to 4, includes: sleeving a metal support ring 200 on the outer skin 130 at one end of the cable body 100; everting the braid 120 from one end of the cable body 100 and laying it on the support ring 200; connecting the pin assembly 420 with the conductor layer 110 of the cable body 100; sleeving the conductive ring 300 on the support ring 200 and clamping the braid 120 laid on the support ring 200; the housing 410 is placed over and pressed against the conductive ring 300, connecting the housing 410 to the lead assembly 420.

The utility model discloses a manufacturing process of transmission line, cover the support ring 200 of establishing the metal on skin 130, turn up weaving layer 120 and lay on support ring 200, reuse conducting ring 300 centre gripping is fixed, because the metal material has stable characteristic, have certain toughness, be difficult for strain atrophy, can maintain invariable girth for a long time, thereby cooperate conducting ring 300 that cup joints on support ring 200 to closely centre gripping weaving layer 120, firm in connection is inseparable, make weaving layer 120 fully contact with conducting ring 300, the internal resistance between weaving layer 120 and conducting ring 300 greatly reduces, and be difficult to make the internal resistance increase because of the increase of live time, conducting ring 300 in addition closely contacts with weaving layer 120 first, again through cyclic annular structure and shell 410 connection, provide great conducting area, make the internal resistance between weaving layer 120 and shell 410 also correspondingly reduce, thereby make the transmission line have better signal shielding performance, the signal transmission is accurate and stable.

In some embodiments of the present invention, as shown in fig. 5, the lead assembly 420 includes a lead base 422 and a plurality of lead bodies 423 disposed on the lead base 422; connecting the pin assembly 420 with the conductor layer 110 of the cable body 100 includes connecting the conductor layer 110 with one end of the pin body 423, and forming the potting layer 600 wrapping the connecting position of the conductor layer 110 and the pin body 423 by injection molding or extrusion at the connecting position of the conductor layer 110 and the pin body 423, wherein the potting layer 600 may be resin or rubber, and after the pin body 423 and the conductor layer 110 are welded, the potting layer 600 is placed into an injection mold or a stamping mold to be injection molded or extrusion molded.

In some embodiments of the present invention, as shown in fig. 6, the pin assembly 420 further includes a terminal shell 421, the terminal shell 421 is sleeved on the pin seat 422, the conductive ring 300 is sleeved on the support ring 200, and the braid 120 clamped and laid on the support ring 200 includes a conductive layer 500 and a conductive ring 300 integrally formed by casting or punching, the conductive layer 500 is wrapped on the outer sidewall of the potting compound 600, the conductive layer 500 is connected to the terminal shell 421, the braid 120 clamped and laid on the support ring 200 by the conductive ring 300, the housing 410 can be welded or fastened to the terminal shell 421, and the conductive layer 500 is also connected to the terminal shell 421, and meanwhile, the conductive layer 500 can also be contacted to the housing 410, thereby greatly widening the flow guiding path between the terminal shell 421, the conductive ring 300, the conductive layer 500, and the housing 410, so as to greatly reduce the internal resistance, and further improve the shielding capability.

In some embodiments of the present invention, the support ring 200 is formed by casting or stamping, for example, in the stamping embodiment, the support ring 200 can be stamped into a ring on the outer skin 130 by a metal strip, so that the support ring 200 is tightly sleeved with the outer skin 130 and is not easy to fall off.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A transmission line, comprising:

the cable comprises a cable body and a cable core, wherein the cable body comprises a conductor layer, a braid layer and a sheath which are sequentially sleeved from inside to outside; the metal support ring is sleeved on the outer skin;

the conducting ring is sleeved on the supporting ring, a clamping gap is formed between the inner side wall of the conducting ring and the outer side wall of the supporting ring, and a part of the braided layer extends from one end of the cable body and is arranged in the clamping gap;

the connecting end comprises a metal shell and a pin assembly connected with the shell, the conductor layer is electrically connected with the pin assembly, and one end of the shell is sleeved on the conducting ring.

2. A transmission line according to claim 1, characterized in that: the pin assembly comprises an end shell, a pin base and a plurality of pin bodies arranged on the pin base, wherein the end shell is sleeved on the pin base, the other end of the shell is connected with the end shell, the conductor layer is electrically connected with the pin bodies, an encapsulating layer is arranged in the shell, and the encapsulating layer wraps the connecting positions of the conductor layer and the pin bodies.

3. A transmission line according to claim 2, characterized in that: a conducting layer is arranged between the glue filling layer and the shell, the end shell is made of metal materials, and the conducting layer is respectively connected with the conducting ring and the end shell.

4. A transmission line according to claim 3, characterized in that: the conducting layer wraps the outer side wall of the glue filling layer.

5. A transmission line according to claim 3 or 4, characterized in that: the conductive layer and the conductive ring are integrally formed.

6. A transmission line according to claim 1, characterized in that: the support ring is made of iron or iron alloy material; the conducting ring is made of copper material.