CN211014746U - Framework capable of changing accommodating cavity and optical cable and cable adopting framework - Google Patents
Framework capable of changing accommodating cavity and optical cable and cable adopting framework Download PDFInfo
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- CN211014746U CN211014746U CN201922271932.0U CN201922271932U CN211014746U CN 211014746 U CN211014746 U CN 211014746U CN 201922271932 U CN201922271932 U CN 201922271932U CN 211014746 U CN211014746 U CN 211014746U
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Abstract
The utility model belongs to the cable field, especially, relate to a skeleton in variable appearance chamber, have skeleton main part, form a plurality of transmission part appearance chambeies in the skeleton main part, its characterized in that skeleton main part center still forms a axis of rotation appearance chamber, be equipped with movable assembly in the skeleton main part, movable assembly comprises a plurality of movable connecting rod subassemblies and axis of rotation, movable connecting rod subassembly comprises limiting plate, first connecting rod, second connecting rod and third connecting rod, passes through first axle, third connecting rod hinged joint between first connecting rod, the second connecting rod, and the axis of rotation is located axis of rotation appearance intracavity, and the limiting plate is located transmission part appearance intracavity; the utility model solves the problem that the size of the cavity of the transmission part can not be changed after the framework groove is formed, and has the advantages of simple structure, convenient use, cost saving, light weight, capability of correcting drip, stepless change of the size of the cavity, applicability to different core numbers and the like; the utility model discloses still disclose the optical cable and the cable that adopt this skeleton.
Description
Technical Field
The utility model belongs to the cable field especially relates to a can change skeleton in appearance chamber and adopt optical cable and cable of this skeleton.
Background
With the continuous development of the national communication and power industry, the framework type optical cable or cable is being widely applied due to high communication capacity, strong mechanical properties such as bending property, lateral pressure resistance, tensile property and the like, and the framework type optical cable is a strip optical cable which is a mainstream product in countries such as japan with developed optical fibers at present.
In the prior art, a circular groove skeleton-type optical cable disclosed in CN209311746U includes a reinforcing member and a skeleton disposed at the periphery of the reinforcing member, the cross section of the skeleton is circular, a plurality of skeleton grooves for holding optical fiber ribbons are uniformly formed on the outer wall of the skeleton, and the cross section of the skeleton groove is semicircular; for another example, the trapezoidal-groove skeleton-type optical cable disclosed in CN209327635U includes a reinforcing member and a skeleton disposed at the periphery of the reinforcing member, the cross section of the skeleton is circular, a plurality of skeleton grooves for placing optical fiber ribbons are uniformly formed on the outer wall of the skeleton, and the cross section of the skeleton groove is trapezoidal.
The two prior art framework-type optical cables have the following disadvantages: the size of the framework groove is already fixed after the framework is formed, when the number of optical fibers in the framework is small, more fiber paste needs to be filled in the framework groove, so that the production cost is increased, and meanwhile, the problem of dripping of the internal fiber paste due to the fact that the framework groove is too large is solved; or the framework with smaller framework grooves needs to be replaced, so that the inventory of the framework is extruded, the capital of an enterprise is occupied, and different framework production molds need to be prepared frequently, so that a part of capital is occupied, and the operation is inconvenient; therefore, how to apply a framework to optical cables or electric cables with different core numbers is a problem which needs to be explored urgently at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses a framework with changeable accommodating cavity and an optical cable and an electric cable using the framework, which are realized by the following technical solution.
A framework with a variable containing cavity is provided with a framework main body, a plurality of transmission component containing cavities are formed in the framework main body, and the framework is characterized in that a rotating shaft containing cavity is further formed in the center of the framework main body, internal threads are arranged on the inner wall of the rotating shaft containing cavity, a plurality of connecting rod movable cavities are formed in the outer edge of the rotating shaft containing cavity at intervals along the axial direction, the connecting rod movable cavities correspond to the transmission component containing cavities one to one, a first chute communicated with the connecting rod movable cavities is formed between each connecting rod movable cavity and the corresponding transmission component containing cavity, a movable assembly is further arranged in the framework main body and comprises a plurality of movable connecting rod assemblies and a rotating shaft, each movable connecting rod assembly comprises a limiting plate, a first connecting rod, a second connecting rod and a third connecting rod, the rotating shaft comprises a rotating shaft main body, external threads matched with, through the primary shaft hinged joint between the first connecting rod other end and the second connecting rod, through the secondary shaft hinged joint between the second connecting rod other end and the third connecting rod one end, the third connecting rod other end sets firmly between two adjacent external screw threads of axis of rotation, and the axis of rotation main part is located the axis of rotation and holds the intracavity, the limiting plate is located transmission part and holds the intracavity, and first connecting rod is located first spout, and second connecting rod and third connecting rod are located connecting rod activity intracavity, the limiting plate has elasticity, the degree of depth of connecting rod activity chamber and first spout is greater than the axial maximum depth of first connecting rod, second connecting rod and third connecting rod and the maximum feeding degree of depth of axis of rotation and is unrestricted when making the axis of rotation feed.
The framework of the variable cavity is characterized in that the height range of the limiting plate is [ the diameter of the cavity of the transmission component, and the circumference of the cavity of the transmission component 1/2 ].
The framework of the variable cavity is characterized in that all the limiting plates are connected.
The optical cable adopting the framework with the variable cavity is characterized by comprising the framework with the variable cavity, an outer protective layer is arranged outside the framework, at least one transmission component is arranged in the cavity of the transmission component, and the transmission component is an optical fiber.
The optical cable adopting the framework with the variable cavity is characterized in that the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
Further, the optical cable with the framework having the variable cavity is characterized in that the transmission component is an optical fiber ribbon formed by combining at least two optical fibers or an optical fiber ribbon body formed by stacking at least two optical fiber ribbons, so that the fiber core density of the optical cable is higher.
The cable adopting the framework with the variable cavity is characterized by comprising the framework with the variable cavity, an outer protective layer is arranged outside the framework, at least one transmission component is arranged in the cavity of the transmission component, and the transmission component is a conducting wire.
The cable adopting the framework with the variable cavity is characterized in that the lead consists of a conductor and an insulating layer extruded outside the conductor.
The optical cable or the electric cable adopting the framework with the variable cavity is characterized in that the cavity of the transmission component is filled with factice.
The during operation, the axis of rotation rotates, make the external screw thread forward feed, the third connecting rod promotes first connecting rod through the second connecting rod and follows first spout lateral shifting, because the limiting plate has elasticity, the limiting plate laminates transmission part all the time and holds the chamber lateral wall, make the space that forms between limiting plate and the transmission part appearance intracavity wall along with the limiting plate lateral shifting that is located the first connecting rod outside and diminish gradually, the reverse rotation axis of rotation, above-mentioned each part reverse motion, make the space that forms between limiting plate and the transmission part appearance intracavity wall along with the limiting plate that is located the first connecting rod outside inwards remove and grow gradually.
A framework with a variable containing cavity is provided with a framework main body, a plurality of transmission component containing cavities are formed in the framework main body, and the framework is characterized in that a rotating shaft containing cavity is further formed in the center of the framework main body, a plurality of connecting rod movable cavities are formed in the outer edge of the rotating shaft containing cavity at intervals along the axial direction, the connecting rod movable cavities correspond to the transmission component containing cavities one by one, a piston cavity and an air channel placing groove which are communicated are formed between each connecting rod movable cavity and the corresponding transmission component containing cavity, the air channel placing groove is positioned on the outer side of the piston cavity, a movable assembly is further arranged in the framework main body and comprises a plurality of movable connecting rod assemblies and a rotating shaft, each movable connecting rod assembly comprises a piston plate, a first connecting rod, a second connecting rod and a third connecting rod, the rotating shaft is provided with a rotating shaft main body, external threads are arranged on the surface of the rotating shaft main body at, the other end of the second connecting rod is connected with one end of the third connecting rod through a second shaft hinge, a first limiting part and a third limiting part are arranged at two ends of the second shaft, a second limiting part is arranged in the middle of the second shaft, the second limiting part and the third limiting part clamp two ends of the second connecting rod, so that the second connecting rod cannot move axially along the second shaft, and the distance between the first limiting part and the second limiting part is larger than the width of the third connecting rod; the other end of the third connecting rod is fixedly arranged between two adjacent external threads of the rotating shaft, the rotating shaft main body is positioned in the rotating shaft containing cavity, the piston plate is positioned in the piston cavity, the second connecting rod and the third connecting rod are positioned in the connecting rod movable cavity, the transmission part containing cavity is internally provided with an air bag, the air bag is composed of an air bag main body, an air passage and an air bag chuck, the air passage is positioned between the air bag main body and the air bag chuck, the air bag chuck is positioned in the piston cavity, an air bag cavity is formed in the middle of the air bag main body, the air passage is clamped in the air passage placing groove, an air port is further formed in the air bag chuck, the outer wall of the air bag main body is adhered with the transmitting part containing cavity, when the piston plate moves, air does not leak between the piston cavity and the piston plate, the air bag chuck is adhered with the side wall of the piston cavity in a sealing manner, the depth, when the rotating shaft is positively fed, the second connecting rod cannot be driven to axially move along the framework main body.
The framework of the variable cavity is characterized in that the maximum volume of the airbag main body is larger than the volume of the piston cavity.
The framework of the variable cavity is characterized in that all the air bag main bodies are connected and communicated.
The optical cable adopting the framework with the variable cavity is characterized by comprising the framework with the variable cavity, an outer protective layer is arranged outside the framework, at least one transmission component is arranged in the cavity of the transmission component, and the transmission component is an optical fiber.
The optical cable adopting the framework with the variable cavity is characterized in that the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
Further, the optical cable with the framework having the variable cavity is characterized in that the transmission component is an optical fiber ribbon formed by combining at least two optical fibers or an optical fiber ribbon body formed by stacking at least two optical fiber ribbons, so that the fiber core density of the optical cable is higher.
The cable adopting the framework with the variable cavity is characterized by comprising the framework with the variable cavity, an outer protective layer is arranged outside the framework, at least one transmission component is arranged in the cavity of the transmission component, and the transmission component is a conducting wire.
The cable adopting the framework with the variable cavity is characterized in that the lead consists of a conductor and an insulating layer extruded outside the conductor.
The optical cable or the electric cable adopting the framework with the variable cavity is characterized in that the cavity of the transmission component is filled with factice.
When the air bag is in work, the rotating shaft is rotated to enable the external threads to feed in the positive direction, the third connecting rod pushes the piston plate to move outwards through the second connecting rod and the first connecting rod, the piston plate enables air in the compressed piston cavity to enter the air bag main body through the air port, the inner wall of the air bag main body is enabled to bulge, and the volume of the air bag cavity is reduced; the rotating shaft rotates reversely, the components move reversely, and the piston plate sucks the air in the air bag main body into the piston cavity through the air port, so that the inner wall of the air bag main body contracts, and the volume of the air bag cavity is increased.
For filling the water-blocking paste optical cable or cable in the transmission component containing cavity, the utility model actively changes the size of the transmission component containing cavity, saves the paste in the optical cable or cable transmission component containing cavity, and saves the cost; meanwhile, the weight of the optical cable or the electric cable is reduced, and the transportation cost is saved; when unqualified phenomena such as ointment dripping and the like occur after the optical cable or the electric cable is formed, the dripping can be corrected by reducing the size of the cavity of the transmission component.
The utility model discloses in, when transmission part is pressed from both sides tightly often, can also fix transmission part's position, transmission part need not to use and pricks the yarn, reduces manufacturing procedure, practices thrift production time, material saving and cost of labor.
The utility model provides a transmission part holds the internal diameter size change in chamber is electrodeless change, and transmission part holds the internal diameter in chamber and can change into arbitrary size in the specified scope.
The framework of the variable cavity, the optical cable adopting the framework of the variable cavity or the cable adopting the framework of the variable cavity is characterized in that the outer wall of the framework groove main body of each transmission component cavity is further provided with a color bar for distinguishing each transmission component cavity.
Therefore, the utility model has the advantages of simple structure, convenient use, cost saving, light weight, drip correction, stepless change of the size of the cavity of the transmission part, different applicable core numbers and the like.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of a skeleton according to embodiment 1 of the present invention
Fig. 3 is a schematic perspective view of a movable assembly in embodiment 1 of the present invention.
Fig. 4 is a schematic structural view of embodiment 2 of the present invention.
FIG. 5 is a schematic view of a skeleton profile structure of embodiment 2 of the present invention
Fig. 6 is a schematic perspective view of a movable assembly in embodiment 2 of the present invention.
Fig. 7 is a schematic view of a sectional structure of an airbag according to embodiment 2 of the present invention.
Fig. 8 is a front view of the rotation shaft of the present invention.
Fig. 9 is a schematic perspective view of embodiment 3 of the present invention.
Fig. 10 is a schematic view of a connection structure of the second link and the third link 216 according to embodiment 2 of the present invention.
In the figure: 1. the automobile air bag comprises a framework, 11, a framework main body, 12, a transmission component cavity, 13, a first sliding groove, 14, a connecting rod movable cavity, 15, a rotating shaft cavity, 16, a piston cavity, 17, an air channel placing groove, 2, a movable assembly, 21, a movable connecting rod assembly, 211, a limiting plate, 212, a first connecting rod, 213, a first shaft, 214, a second connecting rod, 215, a second shaft, 2151, a first limiting component, 2152, a second limiting component, 2153, a third limiting component, 216, a third connecting rod, 217, a piston plate, 22, a rotating shaft, 221, a rotating shaft main body, 222, threads, 3 air bags, 31, an air bag main body, 32, an air bag cavity, 33, an air port, 34, an air channel, 35, an air bag clamp, 4, a transmission component and 5 outer protection layers.
Detailed Description
Example 1
Referring to fig. 1, 2, 3 and 8, a framework 1 with a variable cavity comprises a framework main body 11, four transmission component cavities 12 are formed in the framework main body 11, and is characterized in that a rotation shaft cavity 15 is further formed in the center of the framework main body 11, internal threads are formed on the inner wall of the rotation shaft cavity 15, a plurality of connecting rod movable cavities 14 are formed at the outer edge of the rotation shaft cavity 15 at intervals along the axial direction, the connecting rod movable cavities 14 correspond to the transmission component cavities 12 one by one, a first chute 13 communicated between each connecting rod movable cavity 14 and the corresponding transmission component cavity 12 is formed, a movable assembly 2 is further arranged in the framework main body 11, the movable assembly 2 is composed of a plurality of movable connecting rod assemblies 21 and a rotation shaft 22, each movable connecting rod assembly 21 is composed of a limiting plate 211, a first connecting rod 212, a second connecting rod 214 and a third connecting rod 216, and each rotation shaft 22 is, the surface of the rotating shaft main body 221 is provided with external threads 222 at intervals, the external threads 222 are matched with the internal threads of the inner wall of the rotating shaft cavity 15, the limit plate 211 is fixedly arranged at one end of the first connecting rod 212, the other end of the first connecting rod 212 is hinged with the second connecting rod 214 through the first shaft 213, the other end of the second connecting rod 214 is hinged with one end of the third connecting rod 216 through the second shaft 215, the other end of the third connecting rod 216 is fixedly arranged between two adjacent external threads 222 of the rotating shaft 22, the rotating shaft main body 221 is positioned in the rotating shaft cavity 15, the limit plate 211 is positioned in the transmission part cavity 12, the first connecting rod 212 is positioned in the first sliding groove 13, the second connecting rod 214 and the third connecting rod 216 are positioned in the connecting rod movable cavity 14, the limit plate 211 has elasticity, the depth of the connecting rod movable cavity 14 and the first sliding groove 13 is greater than the sum of the axial maximum depth of, the feeding of the rotating shaft 22 is not limited.
The framework 1 with the variable cavity is characterized in that the height range of the limiting plate 211 is [ the diameter of the cavity of the transmission component, and the circumference of the cavity of the transmission component 1/2 ].
The framework 1 with the variable cavity is characterized in that all the limiting plates 211 are connected.
During operation, rotatory axis of rotation 22, make external screw thread 222 forward feed, third connecting rod 216 promotes first connecting rod 212 through second connecting rod 214 and outwards removes along first spout 13, because limiting plate 211 has elasticity, limiting plate 211 laminates transmission part and holds chamber 12 lateral wall all the time, make the space that forms between limiting plate 211 and the transmission part appearance chamber 12 inner wall along with the limiting plate 211 that is located the first connecting rod 212 outside outwards removes and diminishes gradually, reverse rotation axis of rotation 22, above-mentioned each part reverse motion, make the space that forms between limiting plate 211 and the transmission part appearance chamber 12 inner wall along with the limiting plate 211 that is located the first connecting rod 212 outside inwards removes and grow gradually.
Example 2
Referring to fig. 4, 5, 6, 7 and 8, a framework 1 with a variable cavity comprises a framework main body 11, four transmission component cavities 12 are formed in the framework main body 11, and is characterized in that a rotation axis cavity 15 is further formed in the center of the framework main body 11, a plurality of connecting rod movable cavities 14 are formed at intervals along the axial direction at the outer edge of the rotation axis cavity 15, the connecting rod movable cavities 14 correspond to the transmission component cavities 12 one by one, a piston cavity 16 and an air passage placing groove 17 which are communicated are formed between each connecting rod movable cavity 14 and the corresponding transmission component cavity 12, the air passage placing groove 17 is positioned at the outer side of the piston cavity 16, a movable assembly 2 is further arranged in the framework main body 11, the movable assembly 2 is composed of a plurality of movable connecting rod assemblies 21 and a rotation axis 22, the movable connecting rod assemblies 21 are composed of a piston plate 217, a first connecting rod 212, a second connecting rod 214 and a third connecting rod 216, the rotation axis 22, the surface of the rotating shaft main body 221 is provided with external threads 222 at intervals, the piston plate 217 is fixedly arranged at one end of a first connecting rod 212, the other end of the first connecting rod 212 is hinged with a second connecting rod 214 through a first shaft 213, the other end of the second connecting rod 214 is hinged with one end of a third connecting rod 216 through a second shaft 215, two ends of the second shaft 215 are provided with a first limiting part 2151 and a third limiting part 2153, the middle of the second shaft 215 is provided with a second limiting part 2152, the second limiting part 2152 and the third limiting part 2153 clamp two ends of the second connecting rod 214, so that the second connecting rod 214 cannot axially move along the second shaft 215, and the distance between the first limiting part 2151 and the second limiting part 2152 is larger than the width of the third connecting rod 216; the other end of the third connecting rod 216 is fixedly arranged between two adjacent external threads 222 of the rotating shaft 22, the rotating shaft main body 221 is located in the rotating shaft accommodating cavity 15, the piston plate 217 is located in the piston cavity 16, the second connecting rod 214 and the third connecting rod 216 are located in the connecting rod movable cavity 14, the air bag 3 is arranged in the transmission component accommodating cavity 12, the air bag 3 is composed of an air bag main body 31, an air passage 34 and an air bag chuck 35, the air passage 34 is located between the air bag main body 31 and the air bag chuck 35, the air bag chuck 35 is located in the piston cavity 16, an air bag cavity 32 is formed in the middle of the air bag main body 31, the air passage 34 is clamped in the air passage placing groove 17, an air port 33 is further formed in the air bag chuck 35, the outer wall of the air bag main body 31 is adhered to the transmission component accommodating cavity 12, when the piston plate 217 moves, air does not leak between the piston cavity 16 and the piston plate 217, the maximum feeding depth of the rotating shaft 22 is smaller than the difference between the distance between the first limiting part 2151 and the second limiting part 2152 and the width of the third connecting rod 216, so that the second connecting rod 214 is not driven to move axially along the framework body 11 when the rotating shaft 215 is fed forwards.
The framework 1 of the variable cavity is characterized in that the maximum volume of the airbag main body 31 is larger than the volume of the piston cavity 16.
The framework 1 of the variable cavity is characterized in that all the air bag main bodies 31 are connected and communicated.
In operation, the rotating shaft 22 is rotated to feed the external thread 222 forward, the third connecting rod 216 pushes the piston plate 217 to move outwards through the second connecting rod 214 and the first connecting rod 212, the piston plate 217 compresses air in the piston cavity 16 through the air port 33 to enter the airbag main body 31, so that the inner wall of the airbag main body 31 is expanded, and the volume of the airbag cavity 32 is reduced; when the rotating shaft 22 is rotated in the reverse direction, the above components move in the reverse direction, and the piston plate 217 sucks the air in the airbag main body 31 into the piston chamber 16 through the air port 33, so that the inner wall of the airbag main body 31 contracts and the volume of the airbag chamber 32 increases.
Example 3
Referring to fig. 9 and fig. 1, 2, 3 and 8, an optical cable using a framework with variable cavities includes a framework 1 and an outer protective layer 5, the outer protective layer 5 is located outside the framework 1, the framework 1 is composed of a framework main body 11, four transmission component cavities 12 are formed in the framework main body 11, at least one transmission component 4 is disposed in each transmission component cavity 12, the optical cable is characterized in that a rotation axis cavity 15 is further formed in the center of the framework main body 11, internal threads are disposed on the inner wall of the rotation axis cavity 15, a plurality of connecting rod movable cavities 14 are formed at intervals along the axial direction at the outer edge of the rotation axis cavity 15, the connecting rod movable cavities 14 are in one-to-one correspondence with the transmission component cavities 12, first chutes 13 communicated between the connecting rod movable cavities 14 and the corresponding transmission component cavities 12 are formed, a movable assembly 2 is further disposed in the framework main body 11, the movable assembly 2 is composed of a plurality of, the movable connecting rod assembly 21 comprises a limiting plate 211, a first connecting rod 212, a second connecting rod 214 and a third connecting rod 216, the rotating shaft 22 is composed of a rotating shaft main body 221, external threads 222 matched with the internal threads of the inner wall of the rotating shaft accommodating cavity 15 are arranged on the surface of the rotating shaft main body 221 at intervals, the limiting plate 211 is fixedly arranged at one end of the first connecting rod 212, the other end of the first connecting rod 212 is hinged with the second connecting rod 214 through a first shaft 213, the other end of the second connecting rod 214 is hinged with one end of the third connecting rod 216 through a second shaft 215, the other end of the third connecting rod 216 is fixedly arranged between two adjacent external threads 222 of the rotating shaft 22, the rotating shaft main body 221 is positioned in the rotating shaft accommodating cavity 15, the limiting plate 211 is positioned in the transmission component accommodating cavity 12, the first connecting rod 212 is positioned in the first chute 13, the second connecting rod 214 and, the depth of the link movable cavity 14 and the first sliding groove 13 is greater than the sum of the maximum axial depth of the first link 212, the second link 214 and the third link 216 and the maximum feeding depth of the rotating shaft 22, so that the rotating shaft 22 is not limited when feeding, and the transmission member 4 is an optical fiber.
The optical cable adopting the framework with the variable cavity is characterized in that the height range of the limiting plate 211 is [ the diameter of the cavity of the transmission component, and the circumference of the cavity of the transmission component 1/2 ].
The optical cable adopting the framework with the variable cavity is characterized in that all the limiting plates 211 are connected.
The optical cable adopting the framework with the variable cavity is characterized in that the cavity 12 of the transmission part is filled with factice.
The optical cable adopting the framework with the variable cavity is characterized in that the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
Further, the optical cable with the framework having the variable cavity is characterized in that the transmission component 4 is an optical fiber ribbon formed by combining at least two optical fibers or an optical fiber ribbon body formed by stacking at least two optical fiber ribbons, so that the fiber core density of the optical cable is higher.
During operation, rotatory axis of rotation 22, make external screw thread 222 forward feed, third connecting rod 216 promotes first connecting rod 212 through second connecting rod 214 and outwards removes along first spout 13, because limiting plate 211 has elasticity, limiting plate 211 laminates transmission part and holds chamber 12 lateral wall all the time, make the space that forms between limiting plate 211 and the transmission part appearance chamber 12 inner wall along with the limiting plate 211 that is located the first connecting rod 212 outside outwards removes and diminishes gradually, reverse rotation axis of rotation 22, above-mentioned each part reverse motion, make the space that forms between limiting plate 211 and the transmission part appearance chamber 12 inner wall along with the limiting plate 211 that is located the first connecting rod 212 outside inwards removes and grow gradually.
Example 4
Referring to fig. 9 and fig. 1, 2, 3 and 8, a cable using a framework with variable cavities includes a framework 1 and an outer protective layer 5, the outer protective layer 5 is located outside the framework 1, the framework 1 is composed of a framework main body 11, four transmission component cavities 12 are formed in the framework main body 11, at least one transmission component 4 is disposed in each transmission component cavity 12, the cable is characterized in that a rotation axis cavity 15 is further formed in the center of the framework main body 11, internal threads are disposed on the inner wall of the rotation axis cavity 15, a plurality of connecting rod movable cavities 14 are formed at intervals along the axial direction at the outer edge of the rotation axis cavity 15, the connecting rod movable cavities 14 are in one-to-one correspondence with the transmission component cavities 12, first chutes 13 communicated between the connecting rod movable cavities 14 and the corresponding transmission component cavities 12 are formed, a movable assembly 2 is further disposed in the framework main body 11, the movable assembly 2 is composed of a plurality of movable connecting, the movable connecting rod assembly 21 comprises a limiting plate 211, a first connecting rod 212, a second connecting rod 214 and a third connecting rod 216, the rotating shaft 22 is composed of a rotating shaft main body 221, external threads 222 matched with the internal threads of the inner wall of the rotating shaft accommodating cavity 15 are arranged on the surface of the rotating shaft main body 221 at intervals, the limiting plate 211 is fixedly arranged at one end of the first connecting rod 212, the other end of the first connecting rod 212 is hinged with the second connecting rod 214 through a first shaft 213, the other end of the second connecting rod 214 is hinged with one end of the third connecting rod 216 through a second shaft 215, the other end of the third connecting rod 216 is fixedly arranged between two adjacent external threads 222 of the rotating shaft 22, the rotating shaft main body 221 is positioned in the rotating shaft accommodating cavity 15, the limiting plate 211 is positioned in the transmission component accommodating cavity 12, the first connecting rod 212 is positioned in the first chute 13, the second connecting rod 214 and, the depth of the link movable cavity 14 and the first sliding groove 13 is greater than the sum of the maximum axial depth of the first link 212, the second link 214 and the third link 216 and the maximum feeding depth of the rotating shaft 22, so that the rotating shaft 22 is not limited when feeding, and the transmission member 4 is a wire.
The cable adopting the framework with the variable cavity is characterized in that the height range of the limiting plate 211 is [ the diameter of the cavity of the transmission component, and the circumference of the cavity of the transmission component 1/2 ].
The cable adopting the framework with the variable cavity is characterized in that all the air bag main bodies 31 are connected and communicated.
The cable adopting the framework with the variable cavity is characterized in that the cavity 12 of the transmission part is filled with ointment.
The cable adopting the framework with the variable cavity is characterized in that the lead consists of a conductor and an insulating layer extruded outside the conductor.
During operation, rotatory axis of rotation 22, make external screw thread 222 forward feed, third connecting rod 216 promotes first connecting rod 212 through second connecting rod 214 and outwards removes along first spout 13, because limiting plate 211 has elasticity, limiting plate 211 laminates transmission part and holds chamber 12 lateral wall all the time, make the space that forms between limiting plate 211 and the transmission part appearance chamber 12 inner wall along with the limiting plate 211 that is located the first connecting rod 212 outside outwards removes and diminishes gradually, reverse rotation axis of rotation 22, above-mentioned each part reverse motion, make the space that forms between limiting plate 211 and the transmission part appearance chamber 12 inner wall along with the limiting plate 211 that is located the first connecting rod 212 outside inwards removes and grow gradually.
For filling the water-blocking paste optical cable or cable in the transmission component accommodating cavity, the utility model actively changes the size of the transmission component accommodating cavity 12, saves the paste in the optical cable or cable transmission component accommodating cavity 12 and saves the cost; meanwhile, the weight of the optical cable or the electric cable is reduced, and the transportation cost is saved; when unqualified phenomena such as ointment dripping and the like occur after the optical cable or the electric cable is formed, the dripping can be corrected by reducing the size of the cavity 12 of the transmission component.
For the dry tight-sleeved optical cable or electric cable, when the transmission part 4 is clamped, the position of the transmission part can be fixed, the transmission part 4 does not need to be tied with yarns, the processing procedure is reduced, the production time is saved, and the material and labor cost are saved.
The utility model provides a transmission part holds the internal diameter size change of chamber 12 is electrodeless change, and transmission part holds the internal diameter of chamber 12 and can change into arbitrary size in the specified range.
The framework 1 of the variable cavity, the optical cable adopting the framework of the variable cavity or the cable adopting the framework of the variable cavity are characterized in that the outer wall of the framework groove main body 11 of each transmission component cavity 12 is further provided with a color bar for distinguishing each transmission component cavity 12.
The utility model provides a once the skeleton groove is fashioned, can not change its big or small problem.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (7)
1. A framework with a variable cavity is provided with a framework main body (11), a plurality of transmission component cavities (12) are formed in the framework main body (11), and the framework is characterized in that a rotating shaft cavity (15) is further formed in the center of the framework main body (11), internal threads are arranged on the inner wall of the rotating shaft cavity (15), a plurality of connecting rod movable cavities (14) are formed in the outer edge of the rotating shaft cavity (15) at intervals along the axial direction, the connecting rod movable cavities (14) correspond to the transmission component cavities (12) one by one, communicated first sliding chutes (13) are formed between the connecting rod movable cavities (14) and the corresponding transmission component cavities (12), a movable assembly (2) is further arranged in the framework main body (11), the movable assembly (2) is composed of a plurality of movable assemblies (21) and a rotating shaft (22), the movable connecting rod assemblies (21) are composed of limiting plates (211), first connecting rods (212), second connecting rods (214) and third connecting rods, the rotating shaft (22) is composed of a rotating shaft main body (221), external threads (222) matched with internal threads of the inner wall of the rotating shaft accommodating cavity (15) are arranged on the surface of the rotating shaft main body (221) at intervals, the limiting plate (211) is fixedly arranged at one end of the first connecting rod (212), the other end of the first connecting rod (212) is hinged with the second connecting rod (214) through the first shaft (213), the other end of the second connecting rod (214) is hinged with one end of the third connecting rod (216) through the second shaft (215), the other end of the third connecting rod (216) is fixedly arranged between two adjacent external threads (222) of the rotating shaft (22), the rotating shaft main body (221) is positioned in the rotating shaft accommodating cavity (15), the limiting plate (211) is positioned in the transmission part accommodating cavity (12), the first connecting rod (212) is positioned in the first sliding groove (13), and the second connecting rod (214) and the third connecting rod (216) are positioned, the limiting plate (211) has elasticity, and the depths of the connecting rod movable cavity (14) and the first sliding chute (13) are greater than the sum of the axial maximum depths of the first connecting rod (212), the second connecting rod (214) and the third connecting rod (216) and the maximum feeding depth of the rotating shaft (22).
2. Framework of a variable volume chamber according to claim 1, characterized in that the height of said limiting plate (211) ranges [ transmission member chamber diameter, 1/2 transmission member chamber perimeter ].
3. Framework of a variable volume enclosure according to claim 1, characterized in that all said limiting plates (211) are contiguous.
4. An optical cable adopting a framework with a variable cavity, which comprises a framework (1) and an outer protective layer (5) positioned outside the framework (1), and is characterized in that the framework (1) is composed of the framework (1) with the variable cavity as claimed in claim 1, at least one transmission component (4) is arranged in the transmission component cavity (12), and the transmission component (4) is a G.652 type optical fiber, a G.653 type optical fiber, a G.654 type optical fiber, a G.655 type optical fiber, a G.656 type optical fiber, a G.657 type optical fiber, an A1a type optical fiber, an A1b type optical fiber or an A1c type optical fiber, or an optical fiber ribbon formed by combining at least two optical fibers and a ribbon body, or an optical fiber formed by stacking at least two optical fiber ribbons.
5. The cable with the variable-cavity framework is provided with the framework (1) and an outer protective layer (5) located outside the framework (1), and is characterized in that the variable-cavity framework (1) is arranged according to claim 1, at least one transmission component (4) is arranged in the transmission component cavity (12), and the transmission component (4) is a wire.
6. The cable of claim 5 in which the conductors comprise a conductor and an insulating layer extruded over the conductor.
7. A cable employing a carcass with a variable volume according to claim 5 or claim 6, characterized in that said transmission member volume (12) is filled with ointment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922271932.0U CN211014746U (en) | 2019-12-17 | 2019-12-17 | Framework capable of changing accommodating cavity and optical cable and cable adopting framework |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922271932.0U CN211014746U (en) | 2019-12-17 | 2019-12-17 | Framework capable of changing accommodating cavity and optical cable and cable adopting framework |
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| CN211014746U true CN211014746U (en) | 2020-07-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113448036A (en) * | 2021-09-02 | 2021-09-28 | 江苏长飞中利光纤光缆有限公司 | Layer stranded optical cable suitable for different space environments |
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2019
- 2019-12-17 CN CN201922271932.0U patent/CN211014746U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113448036A (en) * | 2021-09-02 | 2021-09-28 | 江苏长飞中利光纤光缆有限公司 | Layer stranded optical cable suitable for different space environments |
| CN113448036B (en) * | 2021-09-02 | 2021-11-02 | 江苏长飞中利光纤光缆有限公司 | Layer stranded optical cable suitable for different space environments |
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