CN108399970B - Stably connected cable - Google Patents
Stably connected cable Download PDFInfo
- Publication number
- CN108399970B CN108399970B CN201810396706.2A CN201810396706A CN108399970B CN 108399970 B CN108399970 B CN 108399970B CN 201810396706 A CN201810396706 A CN 201810396706A CN 108399970 B CN108399970 B CN 108399970B
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- layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- Insulated Conductors (AREA)
- Cable Accessories (AREA)
Abstract
The utility model provides a cable of stable connection, relates to the transmission field, includes electric wire and prevents the shell that expands, prevent expanding the shell and including slowly changing layer and interior subsides layer, interior subsides layer is the straight section of thick bamboo strip of ring shape, there is the chamber of filling in on the interior subsides layer, it includes intercommunication chamber and gradually dark chamber to fill in the chamber, the intercommunication chamber is for following the circumference wall degree of depth grow gradually of interior subsides layer concave groove, gradually dark chamber is perpendicular the rectangle recess of the terminal side reverse extension of intercommunication chamber, it is in to fill in the chamber axial direction interval arrangement of interior subsides layer, slowly become the layer including being used for laminating the outer surface of interior subsides layer with be used for the embedding fill in the insert portion in chamber, can still keep original shape under the ambient temperature of constantly changing, the change that does not shrink, the operational environment of the inside electric wire of protection is stable, reinforcing cable overall structure's fastness.
Description
Technical Field
The invention relates to the field of transmission, in particular to a stably connected cable.
Technical Field
Cables are made of one or more mutually insulated conductors and an outer insulating protective layer, wires that transmit power or information from one place to another. In real life, the cable is used everywhere, for example, the electric power and data transmission between heavy machinery are large, for example, the interconnection between a portable computer and a mobile phone is small, the cable can be even distributed in different spaces according to different application fields, some of the cable is arranged in the open air or suspended on a ceiling, some of the cable is arranged on the floor surface and in the wall, the environment temperature of the cable is not constant in many times, because temperature difference change can be caused by night-to-night or season transition, the cable can be changed along with the change, and most obvious expansion and contraction can occur when the working environment is changed, however, the thermal expansion rate of wires inside the cable is generally different from that of a wrapped protective layer, the condition that the inner part and the outer part of the cable are separated in time length can occur, and the long-term use of the cable is influenced.
Disclosure of Invention
The invention provides a stably connected cable which can still keep the original shape under the continuously changed external temperature, does not generate shrinkage or expansion change, protects the stable working environment of internal wires, can be mutually and stably connected, and enhances the firmness of the whole structure of the cable.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a cable of stable connection, wherein, includes electric wire and anti-expansion shell, anti-expansion shell includes slowly changing layer and interior subsides layer, interior subsides layer is the straight section of thick bamboo strip of ring shape, have on the interior subsides layer to fill the chamber, it includes intercommunication chamber and gradually dark chamber to fill the chamber, the intercommunication chamber is along the circumference wall degree of depth of interior subsides layer becomes the concave groove that becomes gradually big, gradually dark chamber is perpendicular the reverse extension's of terminal side in intercommunication chamber rectangular groove, fill the chamber in the axial direction interval arrangement of interior subsides layer, slowly changing layer includes the laminating the extrados of the surface of interior subsides layer with be used for the embedding fill the insert in the chamber, still include interconnect, interconnect includes changeing locking groove and embedding strip, it includes straight-in groove, half-turn groove and locking arch, the straight-in groove is for from the inside concave straight strip recess of surface of interior subsides layer, half-turn groove is for respectively from the perpendicular extension of the outer side of different lateral wall face parts of straight-in groove is the protruding from the outer side of side to the outer side of straight subsides layer is the protruding strip, the outer side of protruding strip is the outer side of protruding from the outer side of protruding strip to the outer side of extension is the straight strip, the outer side of protruding strip is the protruding from the outer side of extension of half-turn down groove.
The cross section area of the inner patch is circular, the electric wire is installed in the inner cavity of the inner patch, the inner patch is wrapped and protected by the inner patch, the inner patch is wrapped by the graded layer, wherein the filling cavities are arranged at intervals in the axial direction of the inner patch, the axial direction of the inner patch can be understood as the extending direction of a cable, the graded layer is inserted into the gradually-deep cavity through the inserting part and is attached to the outer side surface of the inner patch by virtue of the outer cambered surface, so that the inner patch and the outer patch are connected in an embedded manner, the graded layer can be continuously installed in the extending direction of the cable to protect the surface of the inner patch, when materials are selected, the rigidity of the graded layer is larger than the rigidity of the inner patch because the inner patch is attached to the cable and is suitable for being made of soft materials, or the thermal expansion rate of the graded layer is lower than the thermal expansion rate of the inner patch, i.e. with temperature, the graded layer is hardly changed, so that when the inner adhesive layer is expanded by heating, the graded layer resists the deformation of the inner adhesive layer through the insertion part embedded in the inner adhesive layer, in particular, a plurality of insertion parts which are arranged at intervals can be arranged on the graded layer to adapt to a plurality of filling cavities, the tail end of the communicating cavity can be understood as one end penetrating into the inner side surface of the inner adhesive layer, the outer side surface of the expansion-proof shell is provided with the interconnection part, the interconnection part is favorable for orderly and side-by-side connection between different cables, the coiling of the same cable can be realized, in particular, the lower cutting is inserted into the straight-in groove and then rotated for 90 degrees after entering the half-turn groove, the locking protrusion is extruded into the other side surface of the half-turn groove in the rotating process, the lower cutting is limited by the locking protrusion, so that stable combination between the embedded strip and the rotary locking groove is realized, wherein the cross section of the half rotary groove can be a quarter sector, namely, the half rotary grooves on two sides respectively take different side wall surfaces of the straight-in groove as one sides of right-angle sector grooves, the right-angle sector grooves radiate outwards, and the upper surface of the half rotary groove is a certain distance from the surface of the slow-changing layer.
Preferably, the extrados is a strip plate with uniform thickness and arc-shaped bent strip cross section.
The cross section of the outer cambered surface is an arc-shaped bent strip, and the angle of the bent strip is 180 degrees, so that the inner adhesive layer can be completely wrapped through the two outer cambered surfaces.
Preferably, the insertion portion includes an expansion stop plate and a deep strip, the expansion stop plate is a planar plate with a depth gradually increasing along a circumferential direction from a lower surface of the outer cambered surface, and the deep strip is a rectangular protruding strip perpendicular to a lower end side surface of the expansion stop plate and protruding reversely along an extending direction of a lower edge of the expansion stop plate.
The shape of the insertion part can be matched with the shape of the filling cavity, the initial end of the deep strip far away from one side of the extrados is inserted into the initial end of the gradually-deep cavity positioned at one side of the outer surface of the inner pasting layer, the slowly-changing layer is rotationally embedded along the gradually-deep cavity, the expansion-stopping plate is inserted into the communicating cavity, firstly, the end faces of the two sides of the gradually-deep cavity can prevent the end parts of the two sides of the deep strip from being positioned in the cavity, the gradually-changing layer is prevented from being separated, and secondly, the expansion-stopping plate can stop the expansion and contraction of the inner pasting layer through the side face.
Preferably, the device further includes an end-side restriction portion for preventing the inner-facing end portion from being deformed by expansion and contraction.
Preferably, the end-side limiting portion includes a side baffle and a patch anti-deformation groove, the side baffle is a plane plate perpendicular to an inward extending end edge of the graded layer, the patch anti-deformation groove includes an extension portion and a clamping plate portion, the extension portion is a plane plate extending outwards from a section-side surface of the inner patch layer, and the clamping plate portion is a plane plate perpendicular to an end of the extension portion and extending close to one side of the graded layer.
The insertion part limits the shrinkage and expansion of the axial inner part of the inner patch, and the shrinkage and expansion of the end side of the inner patch is limited by the end side limiting part, namely, when the end side part of the inner patch expands, the side baffle can be extruded to prevent deformation, and when the inner patch contracts, the clamping plate part can be extruded by the side baffle to prevent contraction, wherein the tail end of the graded layer where the side baffle is located can be understood as the outer ends or fracture parts of the two sides of the cable.
Preferably, the device further comprises a misdirection screwing part for facilitating disassembly and assembly of the graded layer, the misdirection screwing part comprises a fixing protrusion and a rotating protrusion, the fixing protrusion is a straight bar protruding outwards from the outer surface of the inner adhesive layer, the rotating protrusion is a straight bar protruding outwards from the outer surface of the graded layer, and the rotating protrusion and the fixing protrusion are not on the same radial cross section.
The misdirection screwing part is used for rotating the slowly-changing layer inserted into the inner attaching layer out of the inner attaching layer, the fixing protrusion is pressed during operation, the rotating protrusion is applied, the slowly-changing layer is rotated until the slowly-changing layer is separated, friction lines can be arranged on the upper surface of the misdirection screwing part, the shape of the friction lines can be wavy, and therefore friction force during multi-direction force application can be increased as much as possible.
The beneficial effects are that: the cable of the invention can still keep the original shape under the continuously changing external temperature, does not generate shrinkage and expansion change, protects the stable working environment of the internal electric wires, can be mutually and stably connected, and enhances the firmness of the whole structure of the cable.
Drawings
Fig. 1 is a schematic cross-sectional view of the overall structure of a cable.
Fig. 2 is a schematic diagram of a graded layer structure.
Fig. 3 is a schematic view of an inner lamination structure.
Fig. 4 is a cut-away view of a graded layer.
Fig. 5 is a side view of a graded layer release axis.
Fig. 6 is a schematic view of an end-side restriction structure.
Fig. 7 is a schematic view of an interconnect.
Fig. 8 is a schematic view of a twist lock groove.
In the figure: 1. the device comprises a slow-changing layer 11, an outer cambered surface 12, an expansion-stopping plate 13, deep strips 2, an inner sticking layer 21, a communicating cavity 22, a gradually-deep cavity 31, side baffles 32, sticking layer anti-changing grooves 4, a wrong-direction screwing part 5, a rotating locking groove 51, locking protrusions 6 and embedded strips.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Embodiment 1, as shown in fig. 1, is a schematic cross-sectional view of the whole structure of a cable, a stably connected cable, wherein the cable comprises an electric wire and an anti-expansion shell, as shown in fig. 1, 2, 3, 4 and 5, the anti-expansion shell comprises a graded layer 1 and an inner patch layer 2, the inner patch layer 2 is a circular straight barrel strip, a filling cavity is arranged on the inner patch layer 2, the filling cavity comprises a communicating cavity 21 and a gradually-deep cavity 22, the communicating cavity 21 is a concave groove with gradually-increasing depth along the circumferential wall surface of the inner patch layer 2, the gradually-deep cavity 22 is a rectangular groove which is vertically communicated with the end side surface of the cavity 21, the filling cavity is arranged at intervals in the axial direction of the inner patch layer 2, the graded layer 1 comprises an outer cambered surface 11 which is used for being jointed with the outer surface of the inner patch layer 2 and an inserting part which is used for being embedded in the filling cavity, as shown in fig. 7 and 8, the interconnecting part comprises a rotary locking groove 5 and an embedding strip 6, the rotary locking groove 5 comprises a straight groove, a half rotary groove and a locking protrusion 51, the straight groove is formed by the surface of the graded layer 1 is a concave groove which is gradually-increased along the circumferential wall surface of the inner patch layer 2, the concave groove is vertically extends from the lower end surface of the concave groove to the opposite to the outer side surface of the concave groove to the straight strip, the half-shaped protruding from the lower end surface of the concave groove is not outwards-protruding from the opposite side surface of the straight strip to the convex strip, and the half-shaped protruding strip is outwards-shaped from the opposite side surface of the concave strip is outwards protruded from the concave strip to the straight side surface to the concave strip, and the concave strip is outwards the convex.
The cross section area of the inner adhesive layer 2 is circular, the electric wire is installed in the inner cavity of the inner adhesive layer 2, the inner adhesive layer 2 is wrapped and protected by the inner adhesive layer 2, the inner adhesive layer 2 is wrapped by the buffer layer 1, wherein the filling cavities are arranged at intervals in the axial direction of the inner adhesive layer 2, the axial direction of the inner adhesive layer 2 can be understood as the extending direction of the cable, the buffer layer 1 is adhered to the outer side surface of the inner adhesive layer 2 by virtue of the outer cambered surface 11 after being inserted into the gradually-deepened cavity 22 through the inserting part, so that the inner adhesive layer 2 is connected with the outer cambered surface, the buffer layer 1 can be continuously installed in the extending direction of the cable to protect the surface of the inner adhesive layer 2, when materials are selected, the rigidity of the buffer layer 1 is larger than the rigidity of the inner adhesive layer 2 due to the fact that the inner adhesive layer 2 is tightly adhered to the cable, or the heat rate of the buffer layer 1 is lower than the heat expansion rate of the inner adhesive layer 2, namely, the buffer layer 1 hardly changes along with the change of temperature, in this way, when the inner adhesive layer 2 expands when being heated, the buffer layer 1 resists the deformation of the inner adhesive layer 2 through the insertion part embedded in the inner adhesive layer 2, in particular, a plurality of insertion parts which are arranged at intervals can be arranged on the buffer layer 1 to adapt to a plurality of filling cavities, the tail end of the communication cavity 21 can be understood as one end penetrating into the inner side surface of the inner adhesive layer 2, the outer side surface of the expansion-preventing shell is provided with an interconnection part, the interconnection part is beneficial to the orderly and side-by-side connection between different cables, the coiling of the same cable can be realized, in particular, a lower cutting is inserted into a straight-in groove and then rotated for 90 degrees after entering a half-turn groove, the locking protrusion 51 is extruded into the other side surface of the half-turn groove in the rotating process, the lower cutting is limited by the locking protrusion 51, thereby realizing the stable combination between the embedded strip 6 and the turn-lock groove 5, wherein the cross section of the half-turn groove can be a quarter sector, namely, the half-rotating grooves on two sides respectively take different side wall surfaces of the straight-in groove as one side of the right-angle sector, the right-angle sector grooves radiate outwards, and the upper surface of the half-rotating groove is at a certain distance from the surface of the graded layer 1. The extrados 11 is a long slat with uniform thickness and arc-shaped curved bars in cross section.
The cross section of the outer cambered surface 11 is an arc-shaped bent strip, and the angle of the bent strip is 180 degrees, so that the inner adhesive layer 2 can be completely wrapped through the two outer cambered surfaces 11. The insertion portion includes an expansion stop plate 12 and an in-depth strip 13, the expansion stop plate 12 is a planar plate with a depth gradually increasing along the circumferential direction from the lower surface of the outer arc surface 11, and the in-depth strip 13 is a rectangular protruding strip perpendicular to the lower end side surface of the expansion stop plate 12 and protruding reversely along the extending direction of the lower edge of the expansion stop plate 12.
The shape of the insertion part can be matched with the shape of the filling cavity, firstly, the initial end of the deep strip 13 far away from the side of the extrados 11 is inserted into the initial end of the gradually-deepened cavity 22 positioned on the side of the outer surface of the inner adhesive layer 2, the slowly-changing layer 1 is rotationally embedded along the gradually-deepened cavity 22, so that the expansion-stopping plates 12 are inserted into the communicating cavity 21, firstly, the end surfaces on two sides of the gradually-deepened cavity 22 can prevent the end parts on two sides of the deep strip 13 from being positioned in the cavity, the slowly-changing layer 1 is prevented from being separated, and secondly, the expansion-stopping plates 12 can stop the expansion and contraction of the inner adhesive layer 2 through the side surfaces. As shown in fig. 6, the device further includes an end-side restriction portion for preventing the inner-facing end portion from being deformed by expansion and contraction. The end-side limiting part comprises a side baffle 31 and a laminated anti-deformation groove 32, the side baffle 31 is a plane plate which is perpendicular to the end edge of the graded layer 1 and extends inwards, the laminated anti-deformation groove 32 comprises an extension part and a clamping plate part, the extension part is a plane plate which extends outwards from the section side surface of the inner laminated layer 2, and the clamping plate part is a plane plate which is perpendicular to the end of the extension part and extends towards one side of the graded layer 1.
The insertion portion limits the shrinkage and expansion of the inner patch 2 in the axial direction, and the end side shrinkage and expansion of the inner patch 2 needs to be limited by the end side limiting portion, that is, when the end side portion of the inner patch 2 expands, the side baffle 31 can be pressed to prevent deformation, and when the inner patch 2 contracts, the clamping plate portion can be pressed by the side baffle 31 to prevent contraction, wherein the end of the graded layer 1 where the side baffle 31 is located can be understood as both outer ends or breaking positions of the cable. The utility model also comprises a wrong direction screwing part 4 for facilitating the disassembly and assembly of the graded layer 1, the wrong direction screwing part 4 comprises a fixing protrusion and a rotating protrusion, the fixing protrusion is a straight bar column protruding outwards from the outer surface of the inner adhesive layer 2, the rotating protrusion is a straight bar column protruding outwards from the outer surface of the graded layer 1, and the rotating protrusion and the fixing protrusion are not on the same radial cross section.
The misdirection screwing part 4 is used for rotating the graded layer 1 inserted into the inner adhesive layer 2 out of the inner adhesive layer 2, and when in operation, the fixed protrusion is pressed, the rotation protrusion is applied, and the graded layer 1 is rotated until the graded layer is separated, wherein friction lines can be arranged on the upper surface of the misdirection screwing part 4, and the shape of the friction lines can be wave-shaped, so that the friction force during multi-direction force application can be increased as much as possible.
Claims (4)
1. The utility model provides a stably connected cable, its characterized in that includes electric wire and anti-expansion shell, anti-expansion shell includes slowly-changing layer (1) and interior subsides layer (2), interior subsides layer (2) are ring shape straight barrel strip, have on interior subsides layer (2) to fill in the chamber, it includes intercommunication chamber (21) and gradually dark chamber (22) to fill in the chamber, intercommunication chamber (21) are along the recess groove that the circumference wall degree of depth of interior subsides layer (2) progressively becomes big gradually, gradually dark chamber (22) are perpendicular the terminal side reverse extension's of intercommunication chamber (21) rectangular groove, fill in the chamber in the axial direction interval arrangement of interior subsides layer (2), slowly-changing layer (1) are including be used for laminating outer extrados (11) of interior subsides layer (2) and be used for the embedding the insert portion of filling in the chamber, the device further comprises an interconnecting part, the interconnecting part comprises a rotary locking groove (5) and an embedded strip (6), the rotary locking groove (5) comprises a straight-in groove, a half-rotary groove and a locking protrusion (51), the straight-in groove is a straight strip groove which is recessed inwards from the surface of the graded layer (1), the half-rotary groove is a semicircular empty groove which extends outwards from the opposite distal end edges of the lower parts of different side wall surfaces of the straight-in groove respectively, the locking protrusion (51) is an arc protrusion particle which protrudes downwards from the upper surface of the half-rotary groove, the embedded strip (6) comprises an overhanging strip and a lower inserting strip, the overhanging strip is a straight strip which extends outwards from the surface of the graded layer (1), the lower cutting is a straight strip which is perpendicular to the tail end of the overhanging strip and extends reversely to two sides; the inserting part comprises an expansion stop plate (12) and an in-depth strip (13), the expansion stop plate (12) is a plane plate with gradually increased depth along the circumferential direction from the lower surface of the outer cambered surface (11), and the in-depth strip (13) is a rectangular protruding strip which is perpendicular to the side surface of the lower end of the expansion stop plate (12) and protrudes reversely along the extending direction of the lower edge of the expansion stop plate (12); the cable is still including being used for making things convenient for the dismouting wrong direction of slowly changing layer (1) closes portion (4), wrong direction closes portion (4) including fixed protruding and rotation arch, fixed protruding for from outside bellied straight bar post of surface in interior paste layer (2), rotation arch for from outside bellied straight bar post of outside surface of slowly changing layer (1), rotation arch with fixed protruding is not on same radial cross section.
2. A stably connected cable according to claim 1, characterized in that the extrados (11) is a strip of uniform thickness with an arc-shaped bend in cross section.
3. The stably connected cable of claim 1 further comprising end-side restraints for preventing the ends of the inner layer from telescoping.
4. A stably connected cable according to claim 3, characterized in that the end-side restriction comprises a side shield (31) and a patch anti-deformation groove (32), the side shield (31) being a planar plate extending inwards perpendicular to the terminal edge of the graded layer (1), the patch anti-deformation groove (32) comprising an extension and a clamping plate portion, the extension being a planar plate extending outwards from the segment-side surface of the inner patch (2), the clamping plate portion being a planar plate extending proximally perpendicular to the terminal end of the extension towards the graded layer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810396706.2A CN108399970B (en) | 2018-04-28 | 2018-04-28 | Stably connected cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810396706.2A CN108399970B (en) | 2018-04-28 | 2018-04-28 | Stably connected cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108399970A CN108399970A (en) | 2018-08-14 |
| CN108399970B true CN108399970B (en) | 2023-10-03 |
Family
ID=63100745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810396706.2A Active CN108399970B (en) | 2018-04-28 | 2018-04-28 | Stably connected cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108399970B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108399970A (en) | 2018-08-14 |
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