CN108376581B - Pressure-resistant cable - Google Patents
Pressure-resistant cable Download PDFInfo
- Publication number
- CN108376581B CN108376581B CN201810376984.1A CN201810376984A CN108376581B CN 108376581 B CN108376581 B CN 108376581B CN 201810376984 A CN201810376984 A CN 201810376984A CN 108376581 B CN108376581 B CN 108376581B
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- Prior art keywords
- shell
- flat
- supporting
- plate
- sharing
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Classifications
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/189—Radial force absorbing layers providing a cushioning effect
-
- 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
- H01B7/0081—Cables of rigid construction
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or pressure
Landscapes
- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention relates to a pressure-resistant cable, which relates to the field of transmission and comprises a cable and a cable sleeve, wherein the cable sleeve comprises a supporting shell, a sharing shell and a conversion connecting part, the supporting shell comprises a bottom surface, a straight side surface, an inclined sliding surface and a flat supporting surface, the sharing shell is a triangular prism with a right-angled triangle cross section area and extending in the horizontal direction, the inclined surface of the sharing shell is in contact with the inclined sliding surface, the conversion connecting part comprises a telescopic groove, a supporting and rotating plate and a guide rod part, the lower side edge of the supporting and rotating plate is positioned in the guide rod part, and the upper side of the supporting and rotating plate is connected with the lower end part of the sharing shell through a hinge part.
Description
Technical Field
The invention relates to the field of transmission, in particular to a pressure-resistant 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, such as power and data transmission between heavy machinery, such as interconnection between a portable computer and a mobile phone, and 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 in a floor surface and a wall, and the cable arranged in the floor surface or the wall has higher requirements on structural strength, so that the cable is prevented from being damaged by extruding the cable or the external surface (or the shell) by internal stress and pressure of the wall due to the fact that pedestrians walk back and forth and trample, and the pressure resistance of the cable is required to be improved.
Disclosure of Invention
The invention provides a voltage-resistant cable, which can change voltage-resistant capacity according to different compression conditions so as to adapt to external extrusion force or external disturbance which changes at any time and protect the stable and firm working environment of an internal electric wire.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a withstand voltage cable, wherein, includes cable conductor and cable cover, the cable cover includes supporting shell, sharing shell and conversion linking portion, the supporting shell includes bottom surface, straight side, oblique sliding surface and smooth face, the bottom surface is the plane that the level extends, straight side is followed the vertical plane that upwards extends of side of bottom surface, oblique sliding surface is from both sides the upper end of straight side upwards and gradually be close to the inclined plane that extends, the plane supporting surface is the horizontal plane of the upper end of connecting the oblique sliding surface of both sides, the sharing shell is right angled triangle, the triangular prism that extends in the horizontal direction for the cross-sectional area, the inclined plane of sharing shell with oblique sliding surface contacts, conversion linking portion includes flexible groove, props rotating plate and guide arm portion, the flexible groove is for certainly straight side is close to bottom surface department inwards extends's recess, guide arm portion is used for with prop rotating plate to in the flexible groove, prop rotating plate is straight strip shape dull and stereotyped, prop rotating plate's lower side edge is located prop rotating plate's upper end, prop rotating plate and the tip through the articulated portion of rotating plate.
The cable is arranged in the cable sleeve, specifically, the cable is positioned in the supporting shell and is wrapped and protected by the supporting shell. The profile of the cable sleeve is rectangular under the general condition, namely the inclined surfaces of the sharing shells at the two sides are attached to the inclined sliding surfaces, the upper surfaces of the sharing shells at the two sides are positioned on the same plane, the outer side surfaces of the sharing shells at the two sides are respectively positioned on the same vertical surface with the straight side surfaces at the two sides, so that the cross section of the cable sleeve in the vertical direction under the normal condition is rectangular, wherein the upper side of the supporting rotating plate is connected with the lower end part of the sharing shell through a hinge part, the hinge parts at the two sides can generate opposite rotating force for the sharing shells at the two sides at the initial time, namely, the sharing shells are kept at a high position under the condition of not receiving excessive pressure, at the moment, the lower surface of the supporting shells can be attached to the ground, the upper surface of the sharing shells is the upper surface of the sharing cable, when the pressure is large, the sharing shell can slide downwards along the inclined sliding surfaces respectively to two sides, at this time, the supporting and rotating plate enters the telescopic groove under the guide of the guide rod part to match with the downward movement of the sharing shell until the upper surface of the sharing shell and the flat supporting surface are positioned on the same horizontal plane, the heights of the supporting shell and the sharing shell can be designed to be consistent artificially, so that when the upper surface of the sharing shell and the flat supporting surface of the supporting shell are positioned on the same horizontal plane, the lower end of the sharing shell, the supporting and rotating plate and the bottom surface are attached to the bottom surface, the pressure receiving area is enlarged, the pressure resistance of a cable is improved until the excessive pressure is eliminated, and the sharing shell is lifted upwards again under the action of the hinging part to be changed into an initial shape.
Preferably, the guide rod portion includes a flat guide plate which is a flat plate extending outwardly from a lower edge of a notch of the expansion groove, and an end abutment plate which is a protruding strip protruding upwardly from a distal end of the flat guide plate.
The end abutment plate can limit the lower end of the supporting and rotating plate on the flat guide plate to prevent the supporting and rotating plate from being separated from the flat guide plate in the pushing-up process of the sharing shell.
Preferably, the device further comprises a jacking part, wherein the jacking part comprises a steering groove, a bending and extending rod, a flat top plate and an elastic connecting piece, wherein the elastic connecting piece is used for connecting the bending and extending rod with the flat top plate, the steering groove is a through groove which gradually bends and extends upwards from the inner side end part of the telescopic groove to the inner cavity of the supporting shell, the bending and extending rod is a bendable strip rod positioned in the telescopic groove and the steering groove, the flat top plate is a flat plate extending horizontally, and the elastic connecting piece is connected with the upper end of the bending and extending rod and the middle part of the flat top plate.
The jacking portion can promote the structural rigidity of supporting shell, prop the rotating plate and be in share shell gliding in-process can conflict be located turn to the inslot with the curved pole that extends of expansion tank, curved pole that extends can be made with the material that has certain elasticity, such as rubber, works as prop the rotating plate and gradually stretch into in the expansion tank, curved pole that extends gradually upwards rises, the flat roof rises gradually, works as share the shell and be located the lower extreme position, the flat roof also will press close to the inboard surface of flat supporting face, the elastic connection spare can be the spring, thereby is used for strengthening the support intensity of supporting shell.
Preferably, the device further comprises a sloping roof plate, wherein the sloping roof plate is an inclined plane plate which extends downwards reversely from the edge of the sloping sliding surface of the flat roof plate near two sides.
The inclined top plate can improve the structural rigidity of the inclined sliding surface and plays a certain auxiliary supporting role on the inclined sliding surface.
Preferably, the flat supporting surface is further provided with anti-slip parts, the anti-slip parts are formed by arranging anti-slip single bars at intervals, and the anti-slip single bars are rectangular protruding bars which are arranged at intervals along the connecting line direction of the sharing shells at two sides.
The anti-slip part not only can play the effect of preventing the object that pushes down that is located on the flat supporting surface from skidding, can protect both sides through the antiskid moreover share the shell and not damaged by the impact force that skids, for example when people's sole steps on flat supporting surface with share the shell on, if do not the anti-slip part, vamp can appear and be in horizontal slip on the flat supporting surface, at this moment be located both sides the upper surface that shares the shell can receive the horizontal direction, come from the frictional force of sole, can cause share the shell and produce a rotatory motion trend, influence share the stability of shell's structure, form to be unfavorable for cable construction's firm.
Preferably, the anti-slip device further comprises an end side easy-slip surface, wherein the end side easy-slip surface is an arc convex surface which is located on the most side of the anti-slip part, is respectively from the upper surfaces of the two anti-slip single bars, is from top to bottom, and extends towards one side of the sharing shell.
The end side easily sliding surface is positioned on the outermost anti-slip single strip, the end side easily sliding surface does not exist on the inner anti-slip single strip, the protruding direction of the end side easily sliding surface is the direction far away from the inner anti-slip single strip, and the situation that the upper end angle of the sharing shell possibly contacts with the anti-slip single strip in the up-and-down moving process to cause unsmooth movement is prevented, namely, the upper end angle possibly contacts with the outer side wall surface of the anti-slip single strip in the up-and-down' lifting process of the sharing shell, so that the reset of the sharing shell is prevented.
The beneficial effects are that: the cable can change the pressure resistance according to different pressure conditions so as to adapt to external extrusion force or external disturbance which changes at any time and protect the stable and firm working environment of the internal electric wire.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a cable.
Fig. 2 is a schematic cross-sectional view of a cable.
FIG. 3 is a schematic view of a shared shell downslide.
In the figure: 1. the support shell, 2, share shell, 31, expansion groove, 32, support rotating plate, 33, guide rod part, 41, steering groove, 42, curved extension rod, 5, anti-slip part, 6, end side easy slip surface.
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 diagram of the overall structure of a cable, a withstand voltage cable, wherein the cable comprises a cable and a cable jacket, the cable jacket comprises a supporting shell 1, a sharing shell 2 and a conversion connecting portion, the supporting shell 1 comprises a bottom surface, a straight side surface, a sloping sliding surface and a flat surface, the bottom surface is a plane extending horizontally, the straight side surface is a plane extending vertically upwards from the side edges of the bottom surface, the sloping sliding surface is a sloping plane extending upwards from the upper ends of the straight side surfaces of the two sides and gradually approaching to the upper ends of the sloping sliding surfaces of the two sides, the flat supporting surface is a horizontal plane connecting the upper ends of the sloping sliding surfaces of the two sides, the sharing shell 2 is a triangular prism with a right-angled triangle in cross section area and extending horizontally, the sloping surface of the sharing shell 2 contacts with the sloping sliding surface, the conversion connecting portion comprises a telescopic groove 31, a supporting rotating plate 32 and a guide rod portion 33, the telescopic groove 31 is a groove extending inwards from the straight side surface near the bottom surface, the guide rod portion 33 is used for guiding the supporting rotating plate 32 into the telescopic groove 31, the supporting plate 32 is a straight flat plate, the lower side edge of the supporting rotating plate 32 is located in the guide rod portion 33, the upper end of the supporting rotating plate 32 is connected with the lower end of the sharing shell 2 by the hinge portion.
The cable wire is placed in the cable sleeve, specifically, the cable wire is located the inside of supporting shell 1, is wrapped up by supporting shell 1 and protects. The profile of cable cover under the general condition is the rectangle, i.e. the inclined plane of the sharing shell 2 of both sides is pasted with the oblique slip plane, the upper surface of the sharing shell 2 of both sides is located on the coplanar, the outside side surface of the sharing shell 2 of both sides is located same plumb plane with the straight side of both sides respectively, thereby make the cable cover in the vertical direction's under the ordinary condition cross section be the rectangle, wherein, the upside of propping rotating plate 32 passes through hinge connection with the lower tip of sharing shell 2, the hinge connection of both sides can produce a looks pivoted force to the sharing shell 2 of both sides at the beginning, i.e. under the circumstances that does not receive too big pressure, keep sharing shell 2 to be located the high position, at this moment, the lower surface of supporting shell 1 can paste subaerial, the upper surface of sharing shell 2 is the upper surface of cable, be used for bearing pressure, when the pressure is great, can slide down to both sides respectively, at this moment, prop rotating plate 32 gets into expansion groove 31 under the guide of guide arm portion 33, with the cooperation until shell 2's lower shift down, the bearing shell 2, the same plane and the bearing shell 2 is become the same plane when the pressure-bearing surface is not received down, the same plane, the high enough to be flat surface of supporting shell 2 is removed, the equal to the pressure-bearing shell 2, the equal surface is removed from the bottom surface is high, the surface is equal to the top surface of supporting shell 2, and the pressure-down surface is removed, the surface is equal to the top surface of the top of the supporting shell 2, and the pressure is equal to the top surface is removed, and the pressure is equal. The guide rod portion 33 includes a flat guide plate, which is a flat plate extending outwardly from the lower edge of the notch of the expansion slot 31, and an end abutment plate, which is a protruding strip protruding upwardly from the tip of the flat guide plate.
The end abutment plate can limit the lower end of the support rotation plate 32 on the flat guide plate, preventing the support rotation plate 32 from being separated from the flat guide plate in the process of pushing up the sharing shell 2. As shown in fig. 2 and 3, the device further comprises a jacking portion, the jacking portion comprises a steering groove 41, a bending and extending rod 42, a flat top plate and an elastic connecting piece for connecting the bending and extending rod 42 and the flat top plate, the steering groove 41 is a through groove gradually bending and extending upwards from the inner side end part of the telescopic groove 31 to the inner cavity of the supporting shell 1, the bending and extending rod 42 is a bendable rod positioned in the telescopic groove 31 and the steering groove 41, the flat top plate is a flat plate extending horizontally, and the elastic connecting piece is connected with the upper end of the bending and extending rod 42 and the middle part of the flat top plate.
The jacking portion can promote the structural rigidity of supporting shell 1, prop the extension rod 42 that can conflict in turning to groove 41 and expansion tank 31 in sharing shell 2 gliding in-process to prop the rotating plate 32, the extension rod 42 that bends can be made with the material that has certain elasticity, such as rubber, when propping the rotating plate 32 and stretching gradually into expansion tank 31, the extension rod 42 gradually rises upwards, the flat roof rises gradually, when sharing shell 2 and being located the extreme lower position, the inside surface of flat propping face will also be pressed close to the flat roof, the elastic connection piece can be the spring, thereby be used for strengthening the supporting strength who supports shell 1. The inclined top plate is an inclined plane plate which extends downwards reversely from the edge of the inclined sliding surface of the flat top plate, which is close to the two sides.
The inclined top plate can improve the structural rigidity of the inclined sliding surface and plays a certain auxiliary supporting role on the inclined sliding surface. The anti-slip part 5 is arranged on the flat supporting surface, the anti-slip part 5 is formed by anti-slip single strips at intervals, and the anti-slip single strips are rectangular protruding strips which are arranged at intervals along the connecting line direction of the sharing shells 2 at two sides.
The anti-slip part 5 not only can play the effect of preventing the object that pushes down on the flat supporting surface from skidding, can protect the sharing shell 2 of both sides through the antiskid not damaged by the impact force that skids in addition, for example when people's sole steps on flat supporting surface and sharing shell 2, if do not have anti-slip part 5, vamp horizontal slip on flat supporting surface can appear, at this moment the upper surface that lies in the sharing shell 2 of both sides can receive the frictional force of horizontal direction, from the sole, can cause to share shell 2 and produce a rotatory motion trend, influence sharing shell 2's structure, form steady, thereby be unfavorable for cable construction's firm. The anti-skid device also comprises an end side easy-skid surface 6, wherein the end side easy-skid surface 6 is an arc convex surface which is respectively positioned on the upper surfaces of the two anti-skid single bars at the most side of the anti-skid part 5 from top to bottom and extends towards one side of the sharing shell 2.
The end side easy sliding surface 6 is positioned on the outermost anti-slip single strip, the end side easy sliding surface 6 does not exist on the inner anti-slip single strip, the protruding direction of the end side easy sliding surface 6 is the direction far away from the inner anti-slip single strip, and the situation that the upper side end angle of the sharing shell 2 possibly contacts the anti-slip single strip in the up and down moving process to cause unsmooth movement is prevented, namely, the upper side end angle possibly contacts the outer side wall surface of the anti-slip single strip in the up-and-down lifting process of the sharing shell 2, and the reset of the sharing shell 2 is prevented.
Claims (4)
1. The utility model provides a withstand voltage cable, characterized by includes cable conductor and cable cover, the cable cover includes support shell (1), sharing shell (2) and conversion linking part, support shell (1) include bottom surface, straight side, inclined slide and flat supporting surface, the bottom surface is the plane that extends horizontally, straight side is the plane that extends upwards from the side of bottom surface vertically, the inclined slide is upwards and gradually near the inclined plane that extends from the upper end of straight side of both sides, flat supporting surface is the horizontal plane of the upper end of the inclined slide of connection both sides, sharing shell (2) is right angled triangle-shaped for the cross-sectional area, in the horizontal direction extension, the inclined plane of sharing shell (2) is in contact with the inclined slide, conversion linking part includes expansion groove (31), support swivel plate (32) and guide arm portion (33), the expansion groove (31) is the recess that extends inwards from the straight side near bottom surface department, guide arm portion (33) is used for supporting guide arm (32) to support in the swivel plate (32) in the upper end of swivel plate (32), the side of swivel plate (32) is articulated with the upper end portion (32); the lifting device comprises a supporting shell (1), and is characterized by further comprising a jacking part, wherein the jacking part comprises a steering groove (41), a bending and extending rod (42), a flat top plate and an elastic connecting piece, wherein the elastic connecting piece is used for connecting the bending and extending rod (42) and the flat top plate, the steering groove (41) is a through groove which gradually bends from the inner side end part of the telescopic groove (31) upwards to the inner cavity of the supporting shell (1), the bending and extending rod (42) is a bendable rod positioned in the telescopic groove (31) and the steering groove (41), the flat top plate is a plane plate which horizontally extends, and the elastic connecting piece is used for connecting the upper end of the bending and extending rod (42) and the middle part of the flat top plate; the anti-skid part (5) is arranged on the flat supporting surface at intervals, and the anti-skid part (5) is formed by anti-skid single bars which are rectangular protruding bars arranged at intervals along the connecting line direction of the sharing shells (2) at two sides.
2. A pressure-resistant cable according to claim 1, wherein the guide rod portion (33) includes a flat guide plate which is a flat plate extending outwardly from a lower edge of the notch of the expansion groove (31), and an end-retaining plate which is a protruding strip protruding upwardly from an end of the flat guide plate.
3. The pressure resistant cable of claim 1 further comprising a beveled top plate, said beveled top plate being a beveled planar plate extending downwardly from the edges of said beveled surfaces on opposite sides of said flat top plate.
4. The pressure-resistant cable according to claim 1, further comprising an end-side easily slidable surface (6), wherein the end-side easily slidable surface (6) is an arc-shaped convex surface extending from the upper surfaces of the two non-slip strips located at the most side of the non-slip portion (5) to the side of the sharing shell (2) from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810376984.1A CN108376581B (en) | 2018-04-25 | 2018-04-25 | Pressure-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810376984.1A CN108376581B (en) | 2018-04-25 | 2018-04-25 | Pressure-resistant cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108376581A CN108376581A (en) | 2018-08-07 |
| CN108376581B true CN108376581B (en) | 2023-09-22 |
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ID=63032858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810376984.1A Active CN108376581B (en) | 2018-04-25 | 2018-04-25 | Pressure-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108376581B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220046A (en) * | 1996-05-29 | 1999-06-16 | Abb阿西亚布朗·勃法瑞公司 | Rotating electrical machine comprising a high-voltage winding and an elastomer supporting the winding, and method for manufacturing such a machine |
| CN104332228A (en) * | 2014-09-10 | 2015-02-04 | 安徽慧艺线缆集团有限公司 | Overvoltage-resistant heat insulation type thermocouple compensation cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003163038A (en) * | 2001-11-28 | 2003-06-06 | Yazaki Corp | Shield processing structure of flat shielded electric wire and shield processing method thereof |
-
2018
- 2018-04-25 CN CN201810376984.1A patent/CN108376581B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220046A (en) * | 1996-05-29 | 1999-06-16 | Abb阿西亚布朗·勃法瑞公司 | Rotating electrical machine comprising a high-voltage winding and an elastomer supporting the winding, and method for manufacturing such a machine |
| CN104332228A (en) * | 2014-09-10 | 2015-02-04 | 安徽慧艺线缆集团有限公司 | Overvoltage-resistant heat insulation type thermocouple compensation cable |
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| Publication number | Publication date |
|---|---|
| CN108376581A (en) | 2018-08-07 |
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