CN209913475U - Cable thermal shrinkage intermediate head - Google Patents

Abstract

The utility model discloses a cable pyrocondensation intermediate head, including pyrocondensation intermediate head, barrel, square chamber, long shape chamber, trigger the button, trigger the spacing ring, first wedge, transmission quarter butt, second wedge, third wedge, transmission stock, extrusion piece, push rod, the dead spacing ring of lock, fixed plate and small package hygroscopic agent. The utility model has the advantages that the two ends of the utility model are both provided with the cylinder body, when the cable is inserted into the cylinder body, the fixed plate arranged in the cylinder body can lock the cable in the cylinder body, so that the connection between the cable and the thermal shrinkage intermediate joint is more compact, and the disconnection between the cable and the thermal shrinkage intermediate joint caused by external force in the later use can be prevented to a certain extent; through set up a plurality of the same small-package moisture absorbents in the inside of microscler chamber can effectual absorption cable and pyrocondensation intermediate head between the moisture in the air to guarantee the aridity of air, prolonged life.

Description

Cable thermal shrinkage intermediate head

Technical Field

The utility model relates to a pyrocondensation intermediate head specifically is a cable pyrocondensation intermediate head belongs to cable equipment technical field.

Background

The thermal shrinkage intermediate joint is widely used for connecting the intermediate of a crosslinked cable or an oil-immersed cable with the voltage grade of 35KV and below. Compared with the traditional cable accessory, the cable accessory has the characteristics of small volume, light weight, safety, reliability, convenience in installation and the like.

The traditional heat-shrinkable intermediate joint is connected with a cable in a sleeving or hot melting mode, the connection is troublesome and not firm, and the cable is easy to fall off from the heat-shrinkable intermediate joint to a certain extent when external force is applied, so that the use is influenced; moreover, since the conventional heat-shrinkable intermediate joint has no dehumidifying function, when used in a humid environment, the wires at the connection of the cable and the heat-shrinkable intermediate joint are easily corroded. Therefore, the cable thermal shrinkage intermediate joint is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cable pyrocondensation intermediate head in order to solve above-mentioned problem.

The utility model realizes the purpose through the following technical proposal, a cable thermal shrinkage intermediate joint comprises a thermal shrinkage intermediate joint, a transmission mechanism and a self-locking mechanism;

the transmission mechanism comprises a cylinder body, a square cavity, an elongated cavity, a trigger button and a trigger limiting ring, wherein two identical cylinder bodies are fixedly connected to two ends of the thermal shrinkage intermediate joint, the cylinder body is provided with the square cavity close to the side wall of the thermal shrinkage intermediate joint, the side wall of the cylinder body is provided with the elongated cavity, the trigger button is movably sleeved on the inner wall of the square cavity, the trigger limiting ring is sleeved on the surface of the trigger button arranged in the square cavity, one end of the trigger button arranged in the square cavity is slidably connected with a first wedge block, and a transmission short rod is fixedly connected to the top of the first wedge block;

self-locking mechanism is including extrudeing piece, push rod, lock spacing ring, recess and fixed plate, the bottom overlap joint of extrusion piece has the push rod, the lateral wall surface of push rod has cup jointed the lock spacing ring, and is a plurality of the inside of a plurality of recess is arranged respectively in the bottom of elongated chamber all runs through to the bottom of push rod, a plurality of the inner wall at the barrel is seted up to the recess equidistance, the inner wall of recess rotates and is connected with the fixed plate.

Preferably, the square cavity and the long cavity are respectively provided with a plurality of cavities, and the square cavity corresponds to the long cavity one by one.

Preferably, a plurality of same moisture absorbents in small packages are fixedly connected to the inner walls of a plurality of the elongated cavities.

Preferably, the top end of the transmission short rod movably penetrates through the top of the square cavity and is arranged in the long cavity, and a second wedge block is fixedly connected to one end, arranged in the long cavity, of the transmission short rod.

Preferably, the top of the second wedge-shaped block is connected with a third wedge-shaped block in a sliding mode, one side of the third wedge-shaped block is fixedly connected with a long transmission rod, and the long transmission rod is connected to the inner wall of the elongated cavity in a sliding mode.

Preferably, a plurality of same extrusion blocks are fixedly connected to the bottom of the long transmission rod at equal intervals.

The utility model has the advantages that:

1. the utility model has the advantages that the two ends of the utility model are both provided with the cylinder body, when the cable is inserted into the cylinder body, the fixed plate arranged in the cylinder body can lock the cable in the cylinder body, so that the connection between the cable and the thermal shrinkage intermediate joint is more compact, and the disconnection between the cable and the thermal shrinkage intermediate joint caused by external force in the later use can be prevented to a certain extent;

2. through set up a plurality of the same small-package moisture absorbents in the inside of microscler chamber can effectual absorption cable and pyrocondensation intermediate head between the moisture in the air to guarantee the aridity of air, prolonged life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. pyrocondensation intermediate head, 2, barrel, 3, square chamber, 4, microscler chamber, 5, trigger button, 6, trigger the spacing ring, 7, first wedge, 8, transmission quarter butt, 9, second wedge, 10, third wedge, 11, transmission stock, 12, extrusion piece, 13, push rod, 14, lock the spacing ring, 15, recess, 16, fixed plate, 17, the small package hygroscopic agent.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a cable thermal shrinkage intermediate joint includes a thermal shrinkage intermediate joint 1, a transmission mechanism and a self-locking mechanism;

the transmission mechanism comprises a barrel body 2, a square cavity 3, a long cavity 4, a trigger button 5 and a trigger limiting ring 6, wherein two identical barrel bodies 2 are fixedly connected to two ends of a thermal shrinkage intermediate joint 1, parts are convenient to mount, the square cavity 3 is formed in the side wall, close to the thermal shrinkage intermediate joint 1, of the barrel body 2, the long cavity 4 is formed in the side wall of the barrel body 2, parts are convenient to mount, the trigger button 5 is movably sleeved on the inner wall of the square cavity 3, triggering self-locking is convenient, the trigger limiting ring 6 is sleeved on the surface, arranged inside the square cavity 3, of the trigger button 5, the position of the trigger button 5 is convenient to limit, a first wedge block 7 is slidably connected to one end, arranged inside the square cavity 3, of the trigger button 5, transmission is convenient, and a transmission short rod 8 is fixedly connected to the top of the first wedge block 7, so that;

self-locking mechanism is including extrusion piece 12, push rod 13, the spacing ring of locking 14, recess 15 and fixed plate 16, the bottom overlap joint of extrusion piece 12 has push rod 13, the transmission of being convenient for, the lateral wall surface of push rod 13 has cup jointed the spacing ring of locking 14, and the position of being convenient for restrict push rod 13 is a plurality of the bottom of push rod 13 all runs through the bottom of long chamber 4 and arranges the inside of a plurality of recess 15 respectively in, a plurality of the inner wall at barrel 2 is seted up to recess 15 equidistance, the inner wall of recess 15 rotates and is connected with fixed plate 16, is convenient for lock the cable.

The square cavities 3 and the long cavities 4 are respectively provided with a plurality of cavities, and the square cavities 3 and the long cavities 4 are in one-to-one correspondence, so that the locking function is increased conveniently; the inner walls of the plurality of long cavities 4 are fixedly connected with a plurality of same small-package moisture absorbents 17, so that the moisture can be conveniently removed; the top end of the transmission short rod 8 movably penetrates through the top of the square cavity 3 and is arranged in the long cavity 4, and one end of the transmission short rod 8, which is arranged in the long cavity 4, is fixedly connected with a second wedge-shaped block 9, so that transmission is facilitated; the top of the second wedge-shaped block 9 is connected with a third wedge-shaped block 10 in a sliding manner, one side of the third wedge-shaped block 10 is fixedly connected with a long transmission rod 11, and the long transmission rod 11 is connected to the inner wall of the second wedge-shaped block 4 in a sliding manner so as to facilitate transmission; the bottom equidistance rigid coupling of transmission stock 11 has a plurality of the same extrusion blocks 12, is convenient for drive push rod 13 and removes.

When the utility model is used, after the outer insulating layer and the armor layer of the cable are peeled off, the cable is directly inserted into the barrel 2 and the thermal shrinkage intermediate joint 1, in the process of inserting the cable, the outer insulating layer of the cable can be abutted against the trigger button 5, the trigger button 5 moves towards one side close to the thermal shrinkage intermediate joint 1, the trigger button 5 drives the first wedge block 7 to move upwards, the second wedge block 7 drives the second wedge block 9 to move upwards through the transmission short rod 8, the second wedge block 9 drives the third wedge block 10 to move towards the direction far away from the thermal shrinkage intermediate joint 1, the third wedge block 10 drives the transmission long rod 11 to move, the moving long rod 11 drives the extrusion block 12 to move, the extrusion block drives the push rod 13 to move towards the cable, the push rod 13 pushes the fixed plate 16 to rotate, under the lever principle and the effect supported by the push rod 13, the tail end of the fixed plate 16 is abutted against the outer insulating layer surface of the, when meetting external force cable and outwards taking out, a plurality of fixed plates 16 with the cable card in the inside of barrel 2 to the realization is locked, when meetting humid weather, moisture in the inside air of barrel 2 enters into the inside to microscler chamber 4 through the joint gap between push rod 13 and the barrel 2, later the moisture absorption agent 17 of small-package absorbs moisture, thereby keeps the inside gaseous drying of barrel 2.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. A cable pyrocondensation intermediate head which characterized in that: comprises a thermal shrinkage intermediate joint (1), a transmission mechanism and a self-locking mechanism;

the transmission mechanism comprises a cylinder body (2), a square cavity (3), a long cavity (4), a trigger button (5) and a trigger limit ring (6), wherein two identical cylinder bodies (2) are fixedly connected to two ends of a thermal shrinkage intermediate joint (1), the square cavity (3) is formed in the side wall, close to the thermal shrinkage intermediate joint (1), of the cylinder body (2), the long cavity (4) is formed in the side wall of the cylinder body (2), the trigger button (5) is movably sleeved on the inner wall of the square cavity (3), the trigger limit ring (6) is sleeved on the surface, arranged in the square cavity (3), of the trigger button (5), a first wedge block (7) is slidably connected to one end, arranged in the square cavity (3), of the trigger button (5), and a transmission short rod (8) is fixedly connected to the top of the first wedge block (7);

self-locking mechanism is including extrusion piece (12), push rod (13), lock stop collar (14), recess (15) and fixed plate (16), the bottom overlap joint of extrusion piece (12) has push rod (13), the lateral wall surface of push rod (13) has cup jointed lock stop collar (14), and is a plurality of the bottom of push rod (13) all runs through the bottom of elongated chamber (4) and arranges the inside in a plurality of recess (15) respectively, a plurality of the inner wall in barrel (2) is seted up to recess (15) equidistance, the inner wall of recess (15) rotates and is connected with fixed plate (16).

2. The intermediate heat-shrinkable cable connector of claim 1, wherein: the square cavity (3) and the long cavity (4) are provided with a plurality of cavities, and the square cavity (3) corresponds to the long cavity (4) one by one.

3. The intermediate heat-shrinkable cable connector of claim 1, wherein: the inner walls of the plurality of long cavities (4) are fixedly connected with a plurality of same moisture absorbents (17) in small packages.

4. The intermediate heat-shrinkable cable connector of claim 1, wherein: the top end of the transmission short rod (8) movably penetrates through the top of the square cavity (3) and is arranged in the long cavity (4), and a second wedge-shaped block (9) is fixedly connected to one end, arranged in the long cavity (4), of the transmission short rod (8).

5. The intermediate heat-shrinkable cable connector as claimed in claim 4, wherein: the top of the second wedge-shaped block (9) is connected with a third wedge-shaped block (10) in a sliding mode, one side of the third wedge-shaped block (10) is fixedly connected with a long transmission rod (11), and the long transmission rod (11) is connected to the inner wall of the long cavity (4) in a sliding mode.

6. The intermediate heat-shrinkable cable connector as claimed in claim 5, wherein: the bottom of the long transmission rod (11) is fixedly connected with a plurality of same extrusion blocks (12) at equal intervals.

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