CN212136049U

CN212136049U - Multilayer anti-fracture power cable

Info

Publication number: CN212136049U
Application number: CN202021369042.XU
Authority: CN
Inventors: 张安林; 程阳; 程永胜; 缪世群
Original assignee: Anhui Carenano Cable Technology Co ltd
Current assignee: Anhui Carenano Cable Technology Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2020-12-11
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a novel transmission cable related technical field, in particular to a multilayer anti-fracture power cable; the cable fixing device comprises a cable A, a cable B and a fixing component, wherein the fixing component is arranged at the side end of the cable A, the fixing component is arranged inside the cable B, and the fixing component comprises a pull rod, a buckle pull rod, a movable block, a tilting rod, a push block, a spring B and a fixed block; cable A's side rigid coupling is provided with the pull rod, cable A's side rigid coupling has the fixed block, the side rigid coupling of fixed block is provided with spring B, the utility model discloses a set up fixed subassembly, can deal with the cable insulator because of the problem that class literary composition appears in expend with heat and contract with cold, fixed subassembly inside spring can give certain flexible space between two sections cables, and is fixed through the buckle moreover, can direct mount and connecting cable insulator, further sparingly install the flow.

Description

Multilayer anti-fracture power cable

Technical Field

The utility model belongs to the technical field of the transmission cable is relevant, concretely relates to power cable that splits is prevented to multilayer.

Background

The cable is an electric energy or signal transmission device and generally consists of a plurality of wires or groups of wires; cables, which are typically ropes of several or groups of at least two twisted conductors, are insulated from each other and often twisted around a center, and are surrounded by a highly insulating covering, and are characterized by internal current conduction and external insulation.

The leakproofness of current power cable when improving cable junction adopts the welded mode mostly, improves the wholeness of cable, and during observing through long-term use greatly, we have found the cable and have used outside insulator as an organic whole to in long-term use, because of external environment difference in temperature, lead to the crack problem that cable insulator expend with heat and contract with cold appearance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power cable that splits is prevented to multilayer to the problem of crackle appears because of expend with heat and contract with cold cable insulator that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a multilayer anti-fracture power cable comprises a cable A, a cable B and a fixing assembly, wherein the fixing assembly is arranged at the side end of the cable A, the fixing assembly is arranged inside the cable B, and the fixing assembly comprises a pull rod, a buckle pull rod, a movable block, a tilting rod, a push block, a spring B and a fixing block; cable A's side rigid coupling is provided with the pull rod, cable A's side rigid coupling has the fixed block, the side rigid coupling of fixed block is provided with spring B, spring B's side is provided with the ejector pad in the relative position department that is located the fixed block, the side terminal surface rigid coupling of ejector pad has the push rod, cable B's inside articulates there is the stick up pole, the lateral wall department of stick up the pole is provided with the movable block through articulated, the side of movable block is provided with the buckle pull rod through articulated, the side rigid coupling of buckle pull rod has the buckle.

Further, a sealing assembly is arranged inside the cable A and comprises a sealing plate, waterproof soft rubber and a waterproof curtain; the sealing plate is fixedly connected to the side wall of the cable B, the waterproof flexible glue is fixedly connected to the inside of the cable A, and the waterproof curtain is fixedly connected to the inner end side wall of the cable A.

Further, a sealing ring A and a sealing ring B are arranged at the joint of the cable A and the cable B, a snap ring is arranged at the joint of the sealing ring A and the sealing ring B, the sealing ring A and the sealing ring B are connected through a hinge, an anti-expansion assembly is arranged inside the sealing ring B and the snap ring, and the anti-expansion assembly comprises a pressing plate, a support rod A, a support rod B, a support frame, a push plate, an extrusion block, a lantern ring and a spring A; the utility model discloses a sealing ring, including sealing ring B and buckle, branch B is including articulated support frame, the inside wall body department rigid coupling of sealing ring B and buckle has the support frame, branch B sets up the one side at the support frame through articulated, the articulated branch A of tip of branch B, the articulated clamp plate of branch A tip, the side of branch B is in the articulated push pedal of the relative tip that is located branch A, push pedal side rigid coupling spring A, spring A's tip rigid coupling has the extrusion piece, the lantern ring rigid coupling is in cable A's port outer loop department, the lantern ring passes through the rigid coupling in cable B's wide mouthful outer loop department, the lantern ring is the intermediate layer setting for.

Furthermore, the fixing assemblies are arranged in the cable A and the cable B at least in two positions, and the fixing assemblies are arranged in the cable A at equal intervals around the center of the cable.

Further, the sealing assembly is disposed outwardly of the securing assembly within the interior of cables a and B.

Further, the expansion-preventing assembly is arranged around the sealing ring B and the retaining ring at equal intervals.

The utility model has the advantages that:

the utility model discloses a set up fixed subassembly, can deal with the problem that the class article appears in the cable insulator because of expend with heat and contract with cold, fixed subassembly inside spring can give certain flexible space between two sections cables, and is fixed through the buckle moreover, can direct mount and connecting cable insulator, further sparingly install the flow.

The utility model discloses in, prevent the subassembly that expands through the setting, can seal the operation through the sealing ring when having the gap between two sections cables, avoid having impurity to enter into cable junction's gap inside to go, further improve the life-span of the fixed subassembly of cable junction.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of an overall structure of a multilayer anti-fracture power cable provided by the present invention;

fig. 2 is a schematic side view of the multilayer anti-fracture power cable according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an enlarged view of a portion B of FIG. 2;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

illustration of the drawings: 1. a cable A; 2. a cable B; 3. a sealing ring A; 4. a seal ring B; 5. a retaining ring; 6. an anti-expansion assembly; 61. pressing a plate; 62. a strut A; 63. a strut B; 64. a support frame; 65. pushing the plate; 66. extruding the block; 67. a collar; 68. a spring A; 7. a fixing assembly; 71. a pull rod; 72. buckling; 73. a buckle pull rod; 74. a movable block; 75. raising the rod; 76. a push rod; 77. a push block; 78. a spring B; 79. a fixed block; 8. a seal assembly; 81. a sealing plate; 82. waterproof soft rubber; 83. a waterproof curtain.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a multilayer anti-fracture power cable includes a cable a1, a cable B2, and a fixing component 7, where a side end of the cable a1 is provided with the fixing component 7, the cable B2 is internally provided with the fixing component 7, and the fixing component 7 includes a pull rod 71, a buckle 72, a buckle pull rod 73, a movable block 74, a tilting rod 75, a push rod 76, a push block 77, a spring B78, and a fixing block 79; a pull rod 71 is fixedly connected to the side end of the cable a1, a fixed block 79 is fixedly connected to the side end of the cable a1, a spring B78 is fixedly connected to the side end of the fixed block 79, a push block 77 is arranged at the position, opposite to the fixed block 79, of the side end of the spring B78, a push rod 76 is fixedly connected to the side end face of the push block 77, a seesaw rod 75 is hinged to the inside of the cable B2, a movable block 74 is hinged to the side wall of the seesaw rod 75, a buckle pull rod 73 is hinged to the side end of the movable block 74, and a buckle 72 is fixedly connected to the side end of the buckle pull rod 73; when two sections of cables are connected, two ends of the cable A1 and the cable B2 start to close, the pull rod 71, the push rod 76, the push block 77, the spring B78 and the fixing block 79 at the side end of the cable A1 are inserted into corresponding openings of the cable B2, the buckle 72 can be clamped at a groove of the pull rod 71 after the cables are deeply inserted, the pull rod 71 is further grasped, the push rod 76 can push the tilting rod 75 to pull the buckle pull rod 73, the buckle 72 is further pulled, and due to the arrangement of the spring B78, a certain telescopic space can be formed between the cable A1 and the cable B2.

As an embodiment of the present invention, a sealing assembly 8 is disposed inside the cable a1, and the sealing assembly 8 includes a sealing plate 81, a waterproof soft glue 82 and a waterproof curtain 83; the sealing plate 81 is fixedly connected to the side wall of the cable B2, the waterproof soft rubber 82 is fixedly connected to the inside of the cable A1, the waterproof curtain 83 is fixedly connected to the inner end side wall of the cable A1, and the sealing component 8 is arranged inside the cable A1 and the cable B2 and close to the fixing component 7; when installation the corresponding opening part that cable A1 can be inserted to the closing plate 81 of cable B2 side, and waterproof curtain 83 can be backed up to closing plate 81 when getting into, and then extrudes waterproof flexible glue 82, and waterproof flexible glue 82 can warp to the tip of closing plate 81 is lived in the parcel, can further carry out waterproof sealing.

As an embodiment of the present invention, the joint of the cable a1 and the cable B2 is provided with a sealing ring A3 and a sealing ring B4, the joint of the sealing ring A3 and the sealing ring B4 is provided with a retaining ring 5, the sealing ring A3 and the sealing ring B4 are connected by a hinge, the sealing ring B4 and the retaining ring 5 are provided with an anti-expansion assembly 6 inside, the anti-expansion assembly 6 includes a pressing plate 61, a supporting rod a62, a supporting rod B63, a supporting frame 64, a pushing plate 65, an extrusion block 66, a collar 67 and a spring a 68; a support frame 64 is fixedly connected to the inner wall bodies of the sealing ring B4 and the retaining ring 5, the strut B63 is arranged on one side of the support frame 64 through hinge joint, the end part of the strut B63 is hinged with the strut a62, the end part of the strut a62 is hinged with the pressing plate 61, the side end of the strut B63 is hinged with the pushing plate 65 at the opposite end part of the strut a62, the side end of the pushing plate 65 is fixedly connected with the spring a68, the end part of the spring a68 is fixedly connected with the pressing block 66, the collar 67 is fixedly connected to the port outer ring of the cable a1, the collar 67 is fixedly connected to the wide port outer ring of the cable B2 through hinge joint, the collar 67 is arranged in a sandwich way relative to the pressing blocks 66 at the two sides, and the anti-expansion assembly 6 is arranged in the sealing; after the connection between the cable A1 and the cable B2 is completed, the sealing ring B4 and the sealing ring A3 are clamped at the connection between the cable A1 and the cable B2, when the cable A2 is installed, the pressing plate 61 can firstly contact the lantern ring 67, the pushing plate 65 can be extruded towards the center under the action of the connecting rods of the supporting rod A62 and the supporting rod B63, the extruding block 66 can extrude the lantern ring 67 and press the lantern ring 67, and further, the gap between the cable A1 and the cable B2 can be protected from entering of impurities.

As an embodiment of the present invention, at least two fixing assemblies 7 are disposed inside the cable a1 and the cable B2, and the fixing assemblies 7 are disposed inside the cable a1 with the cable center as a surrounding equal distance; by providing a plurality of fixing assemblies 7, the cable a1 and the cable B2 can be fixed in a plurality of orientations, and the stability of connection is further ensured.

The working principle is as follows: the two ends of the cable A1 and the cable B2 start to close, the pull rod 71, the push rod 76, the push block 77, the spring B78 and the fixed block 79 at the side end of the cable A1 are inserted into corresponding openings of the cable B2, the buckle 72 can be clamped at the groove of the pull rod 71 after the pull rod 71 is deeply inserted, the pull rod 71 is further grasped, the push rod 76 can push the tilting rod 75 to pull the buckle pull rod 73, the buckle 72 is further pulled, and due to the arrangement of the spring B78, a certain telescopic space can be formed between the cable A1 and the cable B2; the sealing plate 81 at the side end of the cable B2 can be inserted into the corresponding opening of the cable A1, when the cable B comes in, the sealing plate 81 can push the waterproof curtain 83 open, the waterproof soft rubber 82 is extruded, and the waterproof soft rubber 82 can deform, so that the end part of the sealing plate 81 is wrapped, and waterproof sealing can be further carried out; after the cable A1 and the cable B2 are connected, the sealing ring B4 and the sealing ring A3 are clamped at the connection position of the cable A1 and the cable B2, when the cable A2 is installed, the pressing plate 61 contacts with the lantern ring first, the pushing plate 65 can be extruded towards the center under the action of the connecting rod of the supporting rod A62 and the supporting rod B63, the squeezing block 66 can squeeze the lantern ring, the lantern ring is pressed, and further, the gap between the cable A1 and the cable B2 can be protected from impurities; by providing a plurality of fixing assemblies 7, the cable a1 and the cable B2 can be fixed in a plurality of orientations, and the stability of connection is further ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multilayer prevents power cable that breaks which characterized in that: the cable fixing device comprises a cable A (1), a cable B (2) and a fixing component (7), wherein the fixing component (7) is arranged at the side end of the cable A (1), the fixing component (7) is arranged inside the cable B (2), and the fixing component (7) comprises a pull rod (71), a buckle (72), a buckle pull rod (73), a movable block (74), a tilting rod (75), a push rod (76), a push block (77), a spring B (78) and a fixing block (79);

the side rigid coupling of cable A (1) is provided with pull rod (71), the side rigid coupling of cable A (1) has fixed block (79), the side rigid coupling of fixed block (79) is provided with spring B (78), the side of spring B (78) is provided with ejector pad (77) in the relative position department that is located fixed block (79), the side end face rigid coupling of ejector pad (77) has push rod (76), the inside of cable B (2) articulates there is stick up pole (75), the lateral wall department of stick up pole (75) is provided with movable block (74) through the articulated, the side of movable block (74) is provided with buckle pull rod (73) through the articulated, the side rigid coupling of buckle pull rod (73) has buckle (72).

2. The multilayer fracture-resistant power cable of claim 1, wherein: a sealing assembly (8) is arranged in the cable A (1), and the sealing assembly (8) comprises a sealing plate (81), a waterproof soft rubber (82) and a waterproof curtain (83); the waterproof cable is characterized in that the sealing plate (81) is fixedly connected to the side wall of the cable B (2), the waterproof soft rubber (82) is fixedly connected to the inside of the cable A (1), and the waterproof curtain (83) is fixedly connected to the inner end side wall of the cable A (1).

3. The multilayer fracture-resistant power cable of claim 1, wherein: a sealing ring A (3) and a sealing ring B (4) are arranged at the joint of the cable A (1) and the cable B (2), a snap ring (5) is arranged at the joint of the sealing ring A (3) and the sealing ring B (4), the sealing ring A (3) and the sealing ring B (4) are connected through a hinge, an anti-expansion assembly (6) is arranged inside the sealing ring B (4) and the snap ring (5), and the anti-expansion assembly (6) comprises a pressing plate (61), a support rod A (62), a support rod B (63), a support frame (64), a push plate (65), an extrusion block (66), a collar (67) and a spring A (68); sealing ring B (4) and the inside wall department rigid coupling of buckle (5) have support frame (64), branch B (63) set up the one side at support frame (64) through articulated, the articulated branch A (62) of tip of branch B (63), the articulated clamp plate (61) of branch A (62) tip, the side of branch B (63) is in the articulated push pedal (65) of the relative tip that is located branch A (62), push pedal (65) side end rigid coupling spring A (68), the tip rigid coupling of spring A (68) has extrusion piece (66), lantern ring (67) rigid coupling is in the port outer ring department of cable A (1), lantern ring (67) is in the wide-mouth outer ring department of cable B (2) through the rigid coupling, lantern ring (67) are the intermediate layer setting for the extrusion piece (66) of both sides.

4. The multilayer fracture-resistant power cable of claim 1, wherein: the fixing assemblies (7) are arranged in the cable A (1) and the cable B (2) in at least two positions, and the fixing assemblies (7) are arranged in the cable A (1) at equal intervals around the cable center.

5. The multilayer fracture-resistant power cable of claim 2, wherein: the sealing component (8) is arranged in the inner part of the cable A (1) and the cable B (2) and is arranged against the fixing component (7) in an outer way.

6. A multilayer fracture-resistant power cable according to claim 3, wherein: the expansion-proof assembly (6) is arranged around the sealing ring B (4) and the retaining ring (5) at equal intervals.