CN219659402U

CN219659402U - Waterproof insulated cable

Info

Publication number: CN219659402U
Application number: CN202320923411.2U
Authority: CN
Inventors: 曹永超; 高楼; 李晓昭; 高梦飞
Original assignee: Hebei Fangke Cable Co ltd
Current assignee: Hebei Fangke Cable Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-09-08
Anticipated expiration: 2033-04-23

Abstract

The utility model provides a waterproof insulated cable, and relates to the technical field of cables; the waterproof insulated cable comprises a first cable, a second cable and a waterproof component arranged at the joint of the first cable and the second cable; the waterproof assembly comprises a waterproof cover, a first sealing strip and a second sealing strip, wherein the waterproof cover comprises two half cover bodies which are symmetrically arranged, the two half cover bodies are respectively sleeved outside a first cable and a second cable, when the first cable is connected with the second cable, the two half cover bodies are spliced to form the waterproof cover, and wire cores of the first cable and the second cable are all positioned in the waterproof cover; the first sealing strip and the second sealing strip are respectively arranged in the two half covers, the first sealing strip and the second sealing strip are of annular structures, a first inserting groove is formed in one end, close to the second sealing strip, of the first sealing strip, and when a first cable is connected with the second cable, the second sealing strip is inserted into the first inserting groove. The cable has low probability of short circuit when meeting water and strong waterproof performance.

Description

Waterproof insulated cable

Technical Field

The utility model relates to the technical field of cables, in particular to a waterproof insulated cable.

Background

The cable is an electric energy or signal transmission device, which is composed of single or multi-strand wires and an insulating layer and is used for connecting circuits, electric appliances and the like.

In the use process of the cable, two cables are generally required to be connected together, when the cables are connected, insulating layers at the end parts of the cables are required to be stripped, wire cores with certain lengths are exposed, the wire cores on the two cables are connected, electric connection between the two cables is achieved, and then an insulating adhesive tape is wound at the end parts of the cables or a joint with a threaded structure is installed for fixing and protecting.

In view of the above-mentioned related art, the applicant found that fixing and protecting are performed by using an insulating tape, the tape is easy to age under the condition of wind and sun exposure, the viscosity is reduced, and the fixing and protecting functions are lost; the connector with the thread structure is used for fixing and protecting, when water is met at the connector, the water easily permeates into the thread groove and contacts with the wire core connector, the probability of water short circuit of the cable is increased, and the waterproof performance of the cable is greatly reduced.

Disclosure of Invention

Therefore, the utility model provides the waterproof insulated cable so as to achieve the effect of improving the waterproof performance of the cable.

The technical scheme of the utility model is as follows:

a waterproof insulated cable comprises a first cable, a second cable and a waterproof component arranged at the joint of the first cable and the second cable;

the waterproof assembly comprises a waterproof cover, a first sealing strip and a second sealing strip, wherein the waterproof cover comprises two half cover bodies which are symmetrically arranged, the two half cover bodies are respectively sleeved outside a first cable and a second cable, when the first cable is connected with the second cable, the two half cover bodies are spliced to form the waterproof cover, and wire cores of the first cable and the second cable are all positioned in the waterproof cover;

the first sealing strip and the second sealing strip are respectively arranged in the two half covers, the first sealing strip and the second sealing strip are of annular structures, a first inserting groove is formed in one end, close to the second sealing strip, of the first sealing strip, and when a first cable is connected with the second cable, the second sealing strip is inserted into the first inserting groove.

Through adopting above-mentioned technical scheme, when connecting first cable and second cable, first the insulating layer with first cable and second cable tip peels off, expose the sinle silk, then insert first cable and second cable respectively in two half covers, and connect first cable and the naked sinle silk of second cable, then remove two half covers, make two half covers splice formation buckler, naked sinle silk is located the buckler, the second sealing strip inserts in the first jack groove simultaneously, buckler protects the sinle silk, block outside rivers and sinle silk contact, if rivers infiltration between two half covers, first sealing strip and second sealing strip play the effect and block rivers and continue infiltration this moment, and the second sealing strip inserts and locate in the first jack groove, be equivalent to the motion path that rivers flow to sinle silk department, and this motion path is tortuous path, further reduce the probability that rivers contacted with the sinle silk, the probability of cable water short circuit has been reduced, waterproof performance of cable has been greatly improved.

Further, the second sealing strip comprises an inserting part and a connecting part, the connecting part is fixedly connected to the inner wall of the half cover body, and the inserting part is fixedly connected to one end of the connecting part, which is close to the first sealing strip, and is inserted into the first inserting groove; along the direction from the second sealing strip to the first sealing strip, the outer side surface of the insertion part gradually extends along the direction close to the wire core, and the first inserting groove is attached to the insertion part.

Through adopting above-mentioned technical scheme, set up the part that the second sealing strip inserted in the first spliced groove into the slope structure, further prolonged the rivers and flowed the motion path to sinle silk department, further reduced the probability of rivers and cable core contact, reduced the probability that the cable met the water short circuit, improved cable waterproof performance.

Further, fixedly connected with grafting piece on the first sealing strip, the grafting piece is annular structure, and the grafting piece sets up in first jack groove, has seted up the second jack groove on the second sealing strip, and when first cable and second cable connection, the grafting piece inserts and establishes in the jack groove.

Through adopting above-mentioned technical scheme, set up the grafting piece and cooperate with the second spliced groove, rivers want to flow to the sinle silk department and need walk around the second sealing strip in the first spliced groove earlier, then walk around the grafting piece, further prolonged the motion path of rivers, increased the tortuosity of rivers motion path to make rivers be difficult to reach sinle silk department more, further reduced the probability that rivers contacted with the cable core, reduced the probability that the cable meets the water short circuit, improved cable waterproof performance.

Further, the space between the inner side wall and the outer side wall of the plug block is gradually increased along the direction from the first sealing strip to the second sealing strip.

By adopting the technical scheme, the plug blocks are designed to be of a conical structure along the movement direction of the water flow, so that the movement path of the water flow can be further increased; in addition, the insertion part of the conical structure is matched with the plug-in block of the conical structure, when the section along the axial direction of the first cable is seen, if water flow permeates from the upper part of the waterproof cover, the water flow moves along the plug-in block and has a downward movement trend, if water flow permeates from the lower part of the waterproof cover, the water flow moves along the plug-in block and has a downward movement trend, so that water flow permeates from all directions of the waterproof cover, the path flowing to the wire core has an upward movement trend, the difficulty of water flow to the wire core is increased, the water flow is more difficult to reach the wire core, the contact probability of the water flow and the cable core is further reduced, the probability of water short circuit of the cable is reduced, and the waterproof performance of the cable is improved.

Further, the half cover body comprises a protection cylinder and a fixed pipe, the protection cylinder is of a cylindrical structure with an opening facing the other protection cylinder, the open ends of the two protection cylinders are spliced, and through holes are formed in the end faces of the protection cylinder opposite to the openings; the fixed pipe is of a tubular structure and is fixedly connected to the end face of the protection cylinder, which is provided with the through hole; annular inflatable bags are fixedly connected in the two fixing pipes.

By adopting the technical scheme, when the first cable and the second cable are connected, the insulating layers at the end parts of the first cable and the second cable are stripped, the wire cores are exposed, then the first cable and the second cable are respectively inserted into the two fixed pipes, the wire cores of the first cable and the second cable respectively pass through the through holes of the corresponding protection barrels, then the first cable and the second cable are connected, and then the two protection barrels are moved to splice the two protection barrels to form a waterproof cover; then aerify in to the air bag for the air bag presss from both sides first cable and second cable, fixes first cable and second cable, and the air bag can also play sealed effect simultaneously, prevents that rivers from entering into in the guard cylinder from the gap department between fixed pipe and first cable, the second cable, further improves cable water-proof effects.

Further, the two half cover bodies are fixedly connected with connecting plates, and the two connecting plates (311) are connected through a bolt connection pair.

Through adopting above-mentioned technical scheme, fix two connecting plates through screw rod and nut, realize the connection of two half covers body, convenient and fast and stable.

The working principle and the beneficial effects of the utility model are as follows:

when the waterproof insulated cable is connected with the first cable and the second cable, the insulating layers at the end parts of the first cable and the second cable are firstly stripped, the wire cores are exposed, then the first cable and the second cable are respectively inserted into the two half covers, the exposed wire cores of the first cable and the second cable are connected, then the two half covers are moved, so that the two half covers are spliced to form a waterproof cover, the exposed wire cores are positioned in the waterproof cover, meanwhile, the second sealing strip is inserted into the first inserting groove, the waterproof cover performs waterproof protection on the wire cores, the sealing effect of the waterproof cover is improved by matching the first sealing strip and the second sealing strip, the probability of water short circuit of the cable is reduced, and the waterproof performance of the cable is greatly improved.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the two half-shells after they have been joined;

fig. 3 is a cross-sectional view of the two cover halves prior to attachment.

In the figure: 1. a first cable; 11. a wire core; 2. a second cable; 3. a half cover body; 31. a protective cylinder; 311. a connecting plate; 312. a screw; 313. a nut; 32. a fixed tube; 321. an inflatable bag; 3211. an inflation tube; 4. a first sealing strip; 41. a first socket groove; 42. a plug block; 5. a second sealing strip; 51. an insertion section; 511. a second insertion groove; 52. and a connecting part.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present embodiment provides a waterproof insulated cable, including a first cable 1 and a second cable 2, where the first cable 1 and the second cable 2 are connected, a waterproof component is provided, which can block water flow from contacting with a wire core 11 at the connection between the first cable 1 and the second cable 2, so as to reduce the probability of water short circuit of the cable, and greatly improve the waterproof performance of the cable.

The waterproof assembly comprises a waterproof cover, a first sealing strip 4 and a second sealing strip 5, wherein the waterproof cover comprises two half cover bodies 3 which are symmetrically arranged, the two half cover bodies 3 are spliced to form a complete waterproof cover, each half cover body 3 comprises a protection cylinder 31 and a fixed pipe 32, each protection cylinder 31 is of a cylindrical structure with an opening facing the other protection cylinder 31, the open ends of the two protection cylinders 31 are spliced, and the bottom ends of the protection cylinders 31 are provided with through holes for a wire core 11 to pass through; the fixed tube 32 is a circular tube, the fixed tube 32 is fixedly connected to the bottom end of the protection barrel 31, and the fixed tube 32 is coaxial with the protection barrel 31. The first sealing strip 4 and the second sealing strip 5 are of annular structures, the first sealing strip 4 and the second sealing strip 5 are respectively and fixedly connected in the two protection cylinders 31 and are coaxial with the protection cylinders 31, the first sealing strip 4 and the second sealing strip 5 are of annular structures, a first inserting groove 41 is formed in one end, close to the second sealing strip 5, of the first sealing strip 4, and when the first cable 1 is connected with the second cable 2, the second sealing strip 5 is inserted into the first inserting groove 41.

When the first cable 1 and the second cable 2 are connected, the first cable 1 and the second cable 2 respectively penetrate through the two fixed pipes 32, the wire cores 11 of the first cable 1 and the second cable 2 respectively penetrate through the corresponding through holes, then the first cable 1 is connected with the wire cores 11 of the second cable 2, the protection cylinders 31 are moved to enable the two protection cylinders 31 to abut, the two protection cylinders are spliced to form a waterproof cover, the exposed wire cores 11 are located in the waterproof cover, at the moment, the first sealing sleeve is inserted into the first inserting groove 41, the waterproof cover protects the wire cores 11, if water flow penetrates between the two protection cylinders 31, the first sealing strip 4 is matched with the second sealing strip 5, water flow is prevented from continuously penetrating, the probability that the water flow contacts the wire cores 11 is reduced, the probability that the cable is in short circuit when meeting water is reduced, and the waterproof performance of the cable is greatly improved.

The second sealing strip 5 comprises an inserting part 51 and a connecting part 52, the connecting part 52 is fixedly connected to the inner wall of the half cover body 3, the inserting part 51 is fixedly connected to one end of the connecting part 52, which is close to the first sealing strip 4, and the inserting part 51 is inserted into the first inserting groove 41; along the direction from the second sealing strip 5 to the first sealing strip 4, the outer side surface of the insertion part 51 gradually extends in the direction approaching the wire core 11, and the first inserting groove 41 is attached to the insertion part 51; the inner side wall of the first inserting groove 41 is fixedly connected with an inserting block 42, the inserting block 42 is of an annular structure, a second inserting groove 511 which is matched with the inserting quickly is formed in the inserting part 51, and when the inserting part 51 is inserted into the first inserting groove 41, the inserting block 42 is inserted into the second inserting groove 511; the distance between the inner and outer side walls of the plugging block 42 is gradually increased along the direction from the first sealing strip 4 to the second sealing strip 5, and the plugging groove is attached to the plugging block 42.

The inserting part 51 is inserted into the first inserting groove 41, the inserting block 42 is inserted into the second inserting groove 511, the inserting part 51 is matched with the inserting block 42, so that water flows to the wire core 11 and bypasses the inserting part 51 and then the inserting block 42, meanwhile, the inserting part 51 and the inserting block 42 are arranged in a conical shape, the moving path of the water flow is prolonged, the tortuosity of the moving path of the water flow is increased, the water flow is more difficult to reach the wire core 11, the contact probability of the water flow and the cable core is further reduced, the probability of the cable meeting water short circuit is reduced, and the waterproof performance of the cable is improved.

The two fixing pipes 32 are fixedly connected with inflatable bags 321, the inflatable bags 321 are of annular structures and coaxial with the fixing pipes 32, the first cables 1 and the second cables 2 are inserted into annular spaces of the inflatable bags 321, the inflatable bags 321 are communicated with inflatable pipes 3211, and pipe covers are arranged on the inflatable pipes 3211. After two protection drums 31 splice formation buckler, to aerify in the air bag 321, the air bag 321 is inflated and is expanded for air bag 321 presss from both sides tight first cable 1 and second cable 2, fixes first cable 1 and second cable 2, and air bag 321 can also play sealed effect simultaneously, prevents rivers from entering into in the protection drum 31 from the gap department between fixed pipe 32 and first cable 1, the second cable 2, further improves cable water-proof effects.

The two protection barrels 31 are fixedly connected with the connecting plates 311, each protection barrel 31 is symmetrically connected with the two connecting plates 311, each connecting plate 311 is provided with a connecting hole, after the two protection barrels 31 are spliced, the connecting holes of the two opposite connecting plates 311 are inserted with screw rods 312, nuts 313 are connected to the screw rods 312 in a threaded mode, and the nuts 313 are located on one sides, far away from each other, of the connecting plates 311. The screw 312 cooperates with the nut 313 to fix the two connection plates 311, thereby realizing the connection of the two protection cylinders 31.

The implementation principle of the embodiment of the utility model is as follows: when the first cable 1 and the second cable 2 are connected, the insulating layers at the end parts of the first cable 1 and the second cable 2 are firstly stripped, the wire cores 11 are exposed, then the first cable 1 and the second cable 2 are respectively inserted into the two fixed pipes 32, the wire cores 11 of the first cable 1 and the second cable 2 respectively penetrate through the through holes of the corresponding protection drums 31, then the first cable 1 and the second cable 2 are connected, the two protection drums 31 are moved to splice the two protection drums 31 to form a waterproof cover, and then the inflatable bag 321 is inflated, so that the inflatable bag 321 clamps the first cable 1 and the second cable 2. At this time, the insertion part 51 is inserted in the first insertion groove 41, the insertion block 42 is inserted in the second insertion groove 511, the insertion part 51 is matched with the insertion block 42 to guide the movement path of the water flow, prolong the movement path of the water flow to the wire core 11, and increase the tortuosity of the movement path of the water flow, so that the water flow is more difficult to reach the wire core 11, the contact probability of the water flow and the cable core is further reduced, the water short circuit probability of the cable is reduced, and the waterproof performance of the cable is improved; meanwhile, the inflatable bag 321 can also play a role in sealing, so that water flow is prevented from entering the protection barrel 31 from the gap between the fixed pipe 32 and the first cable 1 and the second cable 2, and the waterproof performance of the cable is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The waterproof insulated cable is characterized by comprising a first cable (1), a second cable (2) and a waterproof component arranged at the joint of the first cable (1) and the second cable (2);

the waterproof assembly comprises a waterproof cover, a first sealing strip (4) and a second sealing strip (5), wherein the waterproof cover comprises two half cover bodies (3) which are symmetrically arranged, the two half cover bodies (3) are respectively sleeved outside a first cable (1) and a second cable (2), when the first cable (1) is connected with the second cable (2), the two half cover bodies (3) are spliced to form the waterproof cover, and wire cores (11) of the first cable (1) and the second cable (2) are both positioned in the waterproof cover;

first sealing strip (4) and second sealing strip (5) set up respectively in two half covers body (3), and first sealing strip (4) are annular structure with second sealing strip (5), and first spliced groove (41) has been seted up to first sealing strip (4) near second sealing strip (5) one end, and when first cable (1) were connected with second cable (2), second sealing strip (5) were inserted and are located in first spliced groove (41).

2. The waterproof insulated cable according to claim 1, wherein the second sealing strip (5) comprises an insertion part (51) and a connecting part (52), the connecting part (52) is fixedly connected to the inner wall of the half cover body (3), and the insertion part (51) is fixedly connected to one end of the connecting part (52) close to the first sealing strip (4) and is inserted into the first inserting groove (41); along the direction from the second sealing strip (5) to the first sealing strip (4), the outer side surface of the insertion part (51) gradually extends in the direction approaching the wire core (11), and the first inserting groove (41) is attached to the insertion part (51).

3. The waterproof insulated cable according to claim 2, wherein the first sealing strip (4) is fixedly connected with a plugging block (42), the plugging block (42) is of an annular structure, the plugging block (42) is arranged in the first plugging groove (41), the second sealing strip (5) is provided with a second plugging groove (511), and when the first cable (1) is connected with the second cable (2), the plugging block (42) is plugged in the plugging groove.

4. A watertight and insulated cable according to claim 3, characterized in that the spacing between the inner and outer side walls of the plug (42) increases gradually in the direction from the first sealing strip (4) to the second sealing strip (5).

5. The waterproof insulated cable according to claim 1, wherein the half cover body (3) comprises a protection barrel (31) and a fixed pipe (32), the protection barrel (31) is of a cylindrical structure with an opening facing the other protection barrel (31), the open ends of the two protection barrels (31) are spliced, and the end surfaces of the protection barrels (31) opposite to the opening are provided with through holes; the fixed pipe (32) is fixedly connected to the end face of the protection cylinder (31) provided with the through hole; annular inflatable bags (321) are fixedly connected in the two fixed pipes (32).

6. A waterproof insulated cable according to claim 1, characterized in that the two half-cover bodies (3) are fixedly connected with connecting plates (311), and the two connecting plates (311) are connected by a bolt connection pair.