CN218300915U - Cable connection structure - Google Patents

Abstract

The utility model relates to a cable installation field especially relates to a cable junction structure, including a protection section of thick bamboo, protection section of thick bamboo both ends are sealed and the section of thick bamboo wall is gone up and is dug there is the access hole, the last movable sleeve of protection section of thick bamboo is equipped with first sleeve and second sleeve, carry out the cladding to the access hole after first sleeve and the butt joint of second sleeve block, the both ends that protection section of thick bamboo kept away from all weld the threading pipe rather than inside intercommunication. This connection structure is by the protection section of thick bamboo, first sleeve and second sleeve are constituteed jointly, the component is small in quantity and simple structure, make things convenient for the staff to carry out the dismouting to it, penetrate the inside connection that protects a section of thick bamboo with two sections cables, after the articulate is accomplished, as an organic whole with first sleeve and second sleeve joint, can seal a protection section of thick bamboo, when needs maintain cable joint, only need promote first sleeve and second sleeve to both sides, can open the access hole and maintain, the convenience that the staff overhauld cable joint has been improved greatly.

Description

Cable connection structure

Technical Field

The utility model relates to a cable installation field especially relates to a cable junction constructs.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires. As a transmission structure of a circuit system, when a cable is installed, in order to meet different requirements, two or more sections of cables are often required to be connected so as to meet the requirement of circuit length, a joint is required to be fixed at a cable joint by using a connection structure, the structure of the type also has a waterproof effect, the short circuit caused by the contact of a cable joint with rainwater is avoided, and the safety factor of the circuit can be ensured.

The prior Chinese patent with the patent number of CN212392393U discloses a cable connecting device, which comprises a nut, a body, a gasket, a cold-pressing wiring terminal, a hollow pipe, clamping claws and a sealing core, wherein the nut is respectively arranged at two ends and respectively connected with the body and the hollow pipe through threads, the gasket is sleeved on the body, and the cold-pressing wiring terminal is arranged in the hollow pipe, and is characterized in that: the clamping claws are respectively clamped in the two screw caps, the sealing core is arranged in the clamping claws on the hollow tube, the cold-pressing wiring terminal comprises a shell, a plurality of round holes, a cover plate, aluminum sheets and screws, the round holes are respectively arranged on the cover plate and at the top and the bottom of the shell, the cover plate is divided into an upper cover plate and a lower cover plate which are respectively clamped at the top and the bottom of the shell, the aluminum sheets are a plurality of rectangular aluminum sheets, and the aluminum sheets are respectively embedded in the side surfaces of the shell. In the scheme, in order to prevent the cable connecting point from being touched by a human body, a large number of fine parts are adopted for assembly, and although the cable connecting point has good sealing performance, when the cable connector needs to be overhauled, the large number of fine parts need to be disassembled and assembled again, so that the operation is complex, and the convenience of line maintenance is greatly reduced; in view of this, we propose a cable connection structure that can effectively seal and facilitate the maintenance of the cable connection by the staff.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that exists among the background art, propose can effectively seal and make things convenient for the staff to overhaul a cable junction structure to cable junction.

The technical scheme of the utility model: the utility model provides a cable junction structure, includes a protection section of thick bamboo, protection section of thick bamboo both ends are sealed and the section of thick bamboo wall is cut and is had the access hole, the last movable sleeve of protection section of thick bamboo is equipped with first sleeve and second sleeve, carry out the cladding to the access hole after first sleeve and the butt joint of second sleeve block, the both ends that protection section of thick bamboo kept away from mutually all weld the threading pipe rather than inside intercommunication.

Preferably, seamless welding has two spacing rings on the outer wall of a protection section of thick bamboo, and two spacing rings are the symmetry form and set up the both sides at the access hole, equal seamless welding has built-in annular ring on first sleeve and the telescopic inner wall of second, and two built-in annular rings all set up in the position of keeping away from the access hole, carry on spacingly to built-in annular ring through the spacing ring, ensure that first sleeve and second sleeve can stabilize the suit on the outer wall of a protection section of thick bamboo.

Preferably, every the equal fixed mounting in one side that built-in annular circle is close to the access hole has a rubber packing ring, every the rubber packing ring all centre gripping is in corresponding the built-in annular circle that sets up and the gap between the spacing ring, can seal the butt joint gap of spacing ring and built-in annular circle through the rubber packing ring, prevents that access hole department from seeping water, improves the water-proof effects of joint construction.

Preferably, the one end that first sleeve is close to the access hole is dug and is had annular groove, the one end fixed mounting that second sleeve is close to the access hole has rubber seal, rubber seal embedding annular groove in and rather than the block be connected, go into annular groove inside back when rubber seal card, can seal the gap of first sleeve and second sleeve butt joint department, avoid the rainwater infiltration, further improve the water-proof effects of joint construction.

Preferably, every the one end that a protection section of thick bamboo was kept away from to the threading pipe all has an annular fixed plate through screw fixed mounting, and every annular fixed plate is close to the equal fixed mounting of one end of a protection section of thick bamboo and has a rubber sleeve, every rubber sleeve all inserts and corresponds the threading intraduct that sets up and be connected rather than the block, can seal the gap between cable outer wall and the threading intraductal wall through rubber sleeve, prevents that the rainwater from getting into inside a protection section of thick bamboo along the cable outer wall.

Preferably, every the threading intraduct all is equipped with the toper passageway, every equal fixed mounting has the toper structure and is both ends open-ended built-in rubber sleeve in the toper passageway, every rubber sleeve outer wall all closely laminates with assorted built-in rubber sleeve inner wall, adopts the built-in rubber sleeve of toper structure, can let the inside rubber sleeve's of getting into the toper passageway front end diameter reduce gradually, carries out the centre gripping then to the cable, can also lock fixedly to the cable when guaranteeing its sealed effect.

Preferably, all weld on the telescopic outer wall of first sleeve and second and have a plurality of wrapping posts, after first sleeve and second sleeve concatenation are as an organic whole, with the wire winding on the wrapping post, can lock two sleeves, effectively improve the fastness that the two is connected.

Compared with the prior art, the utility model discloses following profitable technological effect has:

1. this connection structure is by a protection section of thick bamboo, first sleeve and second sleeve constitute jointly, the component is small in quantity and simple structure, conveniently carry out the dismouting, penetrate the inside connection that protects a section of thick bamboo with two sections cables, after the articulate is accomplished, with first sleeve as an organic whole with second sleeve joint, can seal a protection section of thick bamboo, when needs maintain cable joint, only need promote first sleeve and second sleeve to both sides, can open the access hole and maintain, the convenience that the staff overhauld cable joint has been improved greatly.

2. This connection structure is provided with multiple seal structure, can seal first sleeve and second sleeve butt joint gap through rubber seal, seal spacing ring and built-in annular ring butt joint gap by the rubber packing ring again, and the inside built-in rubber sleeve that is equipped with the toper structure of threading pipe, cooperation through between built-in rubber sleeve and the rubber sleeve, can be located the inside part of threading pipe to the cable and seal, so can prevent that the rainwater from getting into inside the protective tube, avoid cable joint contact rainwater to cause the short circuit, its water-proof effects has been improved greatly.

Drawings

Fig. 1 shows a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the middle wire tube assembly of the present invention;

FIG. 3 is a cross-sectional view of the middle threading tube of the present invention;

fig. 4 is a schematic view of the assembly of the first sleeve according to the present invention.

Reference numerals: 1. a protective cylinder;

2. a threading tube; 21. a rubber sleeve is arranged inside; 22. a tapered channel;

3. a first sleeve; 31. an annular clamp groove;

4. a limiting ring;

5. a second sleeve; 51. a rubber seal ring;

6. an annular fixing plate; 61. a rubber sleeve;

7. a winding post;

8. an access hole;

9. an annular ring is arranged inside; 91. a rubber gasket.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1, the utility model provides a cable junction constructs, including both ends confined protection section of thick bamboo 1, first sleeve 3 and second sleeve 5 have been cup jointed in the activity on the outer wall of protection section of thick bamboo 1, it has access hole 8 to cut on the section of thick bamboo wall of protection section of thick bamboo 1, this access hole 8 sets up the position between first sleeve 3 and second sleeve 5, when first sleeve 3 splices as an organic wholely with second sleeve 5, access hole 8 covers in the inside of the annular sleeve structure that first sleeve 3 and second sleeve 5 are constituteed, the both ends that protection section of thick bamboo 1 kept away from mutually all weld the threading pipe 2 with its inner space intercommunication, be convenient for penetrate protection section of thick bamboo 1 inside with the cable from threading pipe 2, all weld a plurality of wrapping posts 7 on the outer wall of first sleeve 3 and second sleeve 5, this wrapping post 7 can be used for twining the wire, so as fixing first sleeve 3 and second sleeve 5, and adopt the wire as locking structure, and is with low costs, also easily staff's manual operation, the dismouting is more convenient.

The working principle of the cable connection structure based on the first embodiment is as follows: firstly, the ends of two sections of cables are respectively inserted from the corresponding threading pipes 2, the two sections of cables are pushed towards the middle of the protective barrel 1, when the ends of the two sections of cables can be observed from the access hole 8, a worker can use sharp-nose pliers to clamp the ends of the cables and pull the ends of the cables out from the access hole 8, then the ends of the two sections of cables can be jointed outside the protective barrel 1, after connection is completed, an insulating adhesive tape is wound at the joint, then the two sections of cables are slowly pulled to the two sides far away from the protective barrel 1, until the cable joint enters the protective barrel 1 from the access hole 8, in order to cover the access hole 8, the worker can push the first sleeve 3 and the second sleeve 5 to the position of the access hole 8, after the first sleeve 3 and the second sleeve 5 are integrated, a metal wire is wound on the winding posts 7 welded on the outer walls of the two sleeves, then the first sleeve 3 and the second sleeve 5 can be locked into a whole, the whole connecting structure is simple, the number of components is small, the worker can conveniently operate and disassemble the worker, when the cable joint needs to be loosened, the cable joint, only the metal wire is wound on the winding posts 7 of the cable joint, the cable joint can be pushed to the access hole 8, the cable joint, the worker can be conveniently removed, the maintenance joint 8, and the worker can be conveniently removed, the maintenance joint of the maintenance joint 8.

Example two

As shown in fig. 1-4, the utility model provides a cable connection structure, including a protection tube 1, two spacing rings 4 are welded on the outer wall of the protection tube 1 and on the both sides of the access hole 8, built-in annular rings 9 are welded on the inner walls of the first sleeve 3 and the second sleeve 5, one of them built-in annular ring 9 is arranged on the port of the first sleeve 3 far away from the access hole 8, the other built-in annular ring 9 is arranged on the port of the second sleeve 5 far away from the access hole 8, a rubber gasket 91 is bonded on the inner wall of each built-in annular ring 9 near the access hole 8, when the first sleeve 3 and the second sleeve 5 are butted into a whole, the built-in annular ring 9 moves to one side of the spacing ring 4, and each rubber gasket 91 is tightly clamped in the gap between the matching spacing ring 4 and the built-in annular ring 9;

after first sleeve 3 splices as an organic whole with second sleeve 5, its main objective is in order to form the shade to access hole 8, prevent that the rainwater from getting into inside protective barrel 1 from access hole 8, in order to let first sleeve 3 and second sleeve 5 can be accurate cover access hole 8, can be through spacing ring 4 to first sleeve 3, the distance and the position of second sleeve 5 sideslip restrict, when moving first sleeve 3 and moving second sleeve 5 to the right side to the left side, can prevent that the migration distance from transfiniting the mask structure that leads to first sleeve 3 and second sleeve 5 to form and can't carry out effective shade to access hole 8, again by rubber packing ring 91 to the gap between spacing ring 4 and built-in annular ring 9 seal, can prevent the rainwater along first sleeve 3, the gap department infiltration between second sleeve 5 inner wall and the protective barrel 1 outer wall, avoid the rainwater infiltration and get into protective barrel 1 from access hole 8 inside, cause the joint construction to have possessed good rainwater effect.

The sleeve comprises a first sleeve 3 and a second sleeve 5, wherein an annular clamping groove 31 is formed in the wall of the first sleeve 3, which is close to one end of the second sleeve 5, a rubber sealing ring 51 is fixedly assembled at one end of the second sleeve 5, which is close to the first sleeve 3, and when the first sleeve 3 and the second sleeve 5 are butted into a whole, the rubber sealing ring 51 is embedded into the annular clamping groove 31 and is tightly clamped with the annular clamping groove;

in order to further improve the sealed effect to access hole 8, reduce the probability of rainwater infiltration, when first sleeve 3 splices as an organic whole with second sleeve 5, it is spacing to carry out the centre gripping to the one end that second sleeve 5 was kept away from to rubber seal 51 by ring groove 31, so can seal first sleeve 3 and second sleeve 5 connecting gap through rubber seal 51, it is inside effectively to prevent the rainwater from the first sleeve 3 of this gap department infiltration and the shade structure of second sleeve 5 constitution, so can reduce the probability that the rainwater got into in the protective barrel 1 from access hole 8.

The cable threading device comprises two threading pipes 2 welded at the end part of a protective cylinder 1, wherein a conical channel 22 is arranged inside each threading pipe 2, the inner diameter of one end, close to the protective cylinder 1, of each conical channel 22 is smaller than that of one end, far away from the protective cylinder 1, of each conical channel 22, the inner wall of each conical channel 22 is bonded with a same built-in rubber sleeve 21 in a conical structure, one end, far away from the protective cylinder 1, of each threading pipe 2 is fixedly assembled with an annular fixing plate 6 through screws, a rubber sleeve 61 fixedly installed on each annular fixing plate 6 is inserted into the corresponding threading pipe 2, and the front end of each rubber sleeve 61 is in close contact with the inner wall of the corresponding built-in rubber sleeve 21;

in order to clamp the part of the cable penetrating into the threading pipe 2 and prevent rainwater from penetrating into the protective cylinder 1 from the gap between the outer wall of the cable and the inner wall of the threading pipe 2, in the threading process, firstly, two sections of cables respectively penetrate into the protective cylinder 1 from the correspondingly arranged threading pipe 2, after the joint connection is completed, two sections of cables are straightened, then, the annular fixing plate 6 which is sleeved on the cable in advance is moved to one side of the correspondingly arranged threading pipe 2, after the rubber sleeve 61 is inserted into the threading pipe 2, along with the continuous extrusion of workers, the front end of the rubber sleeve 61 can gradually shrink along with the gradual reduction of the inner diameter of the tapered channel 22, finally, the inner wall of the rubber sleeve 61 is in close contact with the outer wall of the cable, the outer wall of the rubber sleeve 61 is also in close fit with the inner wall of the built-in rubber sleeve 21, not only can lock and position the part of the cable positioned in the threading pipe 2, can reduce the falling probability of the cable joint, but also can plug the gap of the rainwater at the gap, and prevent the rainwater from penetrating into the protective cylinder 1 between the outer wall of the cable and the inner wall of the rain-proof pipe 2, thereby further improving the water performance of the connection structure.

The above embodiments are merely some preferred embodiments of the present invention, and many alternative modifications and combinations can be made to the above embodiments by those skilled in the art based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims (7)

1. A cable connection structure includes a protective tube (1), characterized in that: the protective sleeve is characterized in that the two ends of the protective sleeve (1) are sealed, an access hole (8) is drilled in the wall of the protective sleeve (1), a first sleeve (3) and a second sleeve (5) are movably sleeved on the protective sleeve (1), the access hole (8) is coated after the first sleeve (3) is in butt joint with the second sleeve (5) in a clamped mode, and the two ends, far away from the protective sleeve (1), of the protective sleeve are welded with threading pipes (2) communicated with the interior of the protective sleeve.

2. A cable connection configuration according to claim 1, characterized in that two stop rings (4) are welded on the outer wall of the protective sleeve (1) and at both sides of the access opening (8), and a built-in annular ring (9) is welded on the inner wall of the first sleeve (3) and the second sleeve (5) and at the side far from the access opening (8).

3. A cable connecting structure according to claim 2, wherein a rubber gasket (91) is fixedly mounted on one side of each built-in annular ring (9) close to the access opening (8), and each rubber gasket (91) is clamped in a gap between the built-in annular ring (9) and the limiting ring (4) which are correspondingly arranged.

4. The cable connection structure as claimed in claim 1, wherein an annular clamping groove (31) is formed in one end of the first sleeve (3) close to the access opening (8), a rubber sealing ring (51) is fixedly mounted at one end of the second sleeve (5) close to the access opening (8), and the rubber sealing ring (51) is embedded in the annular clamping groove (31) and is in clamping connection with the annular clamping groove.

5. The cable connection structure as claimed in claim 1, wherein an annular fixing plate (6) is fixedly mounted on one end of each threading tube (2) far away from the protective cylinder (1) through a screw, a rubber sleeve (61) is fixedly mounted on one end of each annular fixing plate (6) close to the protective cylinder (1), and each rubber sleeve (61) is inserted into the corresponding threading tube (2) and is connected with the threading tube in a clamping manner.

6. The cable connection structure as claimed in claim 5, wherein a tapered channel (22) is provided inside each threading tube (2), a tapered built-in rubber sleeve (21) with two open ends is fixedly installed inside each tapered channel (22), and the outer wall of each rubber sleeve (61) is tightly attached to the inner wall of the corresponding built-in rubber sleeve (21).

7. A cable connection according to claim 1, wherein the first sleeve (3) and the second sleeve (5) have a plurality of winding studs (7) welded to their outer walls.

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