CN220324802U - Connection structure applied to cable - Google Patents

Abstract

The utility model discloses a cable connection structure, in particular to a connection structure for a cable, which comprises a sleeve assembly and fixing pieces, wherein the sleeve assembly comprises a first sleeve, a second sleeve and a third sleeve, the first sleeve is sleeved at a connection part of the cable, the second sleeve is detachably sleeved at the outer side of the first sleeve, the third sleeve is detachably sleeved at the outer side of the second sleeve, and the fixing pieces are sleeved at two sides of the sleeve assembly and used for sealing the second sleeve and the third sleeve. According to the utility model, the second sleeve, the third sleeve and the fixing piece are matched, so that the connection part of the first cable and the second cable can have good sealing performance when the first cable and the second cable are connected, the conical surface is arranged on the outer side of the fixing piece, the conical piece is abutted with the inner wall surface of the second sleeve, and the second sealing piece is arranged on the conical surface and can seal the two ends of the second sleeve, so that rainwater is prevented from entering the connecting structure from the two ends of the connecting structure.

Description

Connection structure applied to cable

Technical Field

The utility model relates to the technical field of cables, in particular to a connecting structure applied to a cable.

Background

The cable is made of one or more mutually insulated conductors and an outer insulating protective layer, and can transmit power or information from one place to another place, and the situation that the end parts of two cables are connected is usually encountered in the installation process of the cable, and at the moment, the two cables need to be connected by using a cable connecting device, so that the wires inside the two cables are conducted.

Publication number CN218514072U discloses a cable connection structure convenient to stable installation, including connecting the shell, one side of connecting the shell runs through and is provided with left body, another of connecting the shell runs through and is provided with right body, the inside of connecting the shell is provided with connects the inner shell, the notch has all been seted up on top and the bottom of connecting the inner shell, connect the shell and connect and form the cavity between the inner shell.

Although the above-mentioned scheme is fixed the cable through the clamp plate through setting up the clamp plate in the one end of guide bar, but this scheme is in the humid environment, and the guide is connected in the outside of casing to do not set up the sealing member at junction and connection structure's both ends, make the water droplet can flow into inside the casing along the guide bar, thereby cause cable junction end short circuit, make the cable have great potential safety hazard after connecting.

Disclosure of Invention

The utility model aims to solve the problem of poor sealing performance of a cable after connection, and provides a connection structure applied to the cable.

A connection structure applied to a cable comprises

A sleeve assembly, the sleeve assembly comprising

The first sleeve is sleeved at the joint of the cable;

the second sleeve is detachably sleeved on the outer side of the first sleeve;

the third sleeve is detachably sleeved on the outer side of the second sleeve;

the fixing pieces are sleeved on two sides of the sleeve assembly and used for sealing the second sleeve and the third sleeve;

the contact surface of the fixing piece and the third sleeve is provided with a first sealing piece;

the middle part of the fixing piece is provided with a through hole in a penetrating way for a cable to pass through, an annular groove is formed in the through hole, a second sealing piece is embedded in the annular groove, the mounting side of the fixing piece is provided with a conical groove, and an internal thread is arranged in the conical groove;

the novel plastic fixing device is characterized in that a plurality of extrusion parts are arranged at two ends of the third sleeve, the extrusion parts are of fan-shaped structures, annular arrangement is formed between the extrusion parts, external threads are arranged on the outer sides of the extrusion parts, internal threads are arranged on the inner walls of the fixing pieces, and the external threads are screwed with the internal threads.

Preferably: a plurality of threaded hole groups are uniformly arranged in the first sleeve, each threaded hole group comprises two threaded holes symmetrically arranged along the radial direction, and a screw rod is connected in each threaded hole in an internal rotating mode.

Preferably: the middle part of the first sleeve is provided with a conducting strip.

Preferably: the bottom of the screw rod is provided with a rotary pressing plate.

Preferably: the lower surface of the pressing plate is arranged in a zigzag shape.

Preferably: the second sleeve is made of insulating materials, and the first sleeve is a conductor.

The beneficial effects of the utility model are as follows:

through setting up second sleeve, third sleeve and mounting and cooperate to all be provided with sealing member at the contact position, make first cable and second cable when being connected, make the junction of cable can have better leakproofness, improve cable connection's security simultaneously.

Through setting up the conical surface in the outside of mounting, the lower surface of conical member is provided with the second sealing washer for the mounting when carrying out threaded connection with the shell, the conical surface that the conical member set up on the insulating layer carries out the butt, makes the second sealing member that sets up on the conical surface can with the surface contact of cable, improves cable sealing performance.

Drawings

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

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a cross-sectional view of a first sleeve of the present utility model;

FIG. 4 is a cross-sectional view of a third sleeve of the present utility model;

FIG. 5 is a cross-sectional view of a fastener of the present utility model;

fig. 6 is a schematic view of the installation of the present utility model.

In the figure, 1, a sleeve assembly; 11. a first sleeve; 101. a screw hole group; 111. a threaded hole; 112. a screw; 113. a conductive sheet; 114. a pressing plate; 12. a second sleeve; 13. a third sleeve; 131. an extrusion part; 132. an external thread; 2. a fixing member; 21. a through hole; 211. an annular groove; 212. a second seal; 22. a conical groove; 221. an internal thread; 3. a first seal.

Description of the embodiments

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.

It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

Examples

As shown in figures 1-6 of the drawings,

a connecting structure applied to a cable is composed of a sleeve assembly 1 and a fixing piece 2.

The sleeve assembly 1 comprises a first sleeve 11, a second sleeve 12 and a third sleeve 13, specifically, the first sleeve 11 is sleeved at the joint of the cables and is connected with the first cable and the second cable, the first sleeve 11 is made of conductive materials, the conductive effect of the joint of the first cable and the second cable is improved, the second sleeve 12 is made of insulating materials, and the insulating materials can better improve the safety performance of the connecting structure.

The first sleeve 11 is internally and evenly provided with a plurality of screw hole groups 101, and specifically, the screw hole groups 101 include two screw holes 111 that radial symmetry set up, screw 112 has been connect to the screw hole 111 internal rotation, the bottom of screw 112 rotates with the upper surface of clamp plate 114 through the bearing and is connected, through two screw rods 112 of rotational symmetry for clamp plate 114 subtend removal compresses tightly the cable, clamp plate 114's shape is the arc, clamp plate 114's bottom sets up to the cockscomb structure, the cockscomb structure can be convenient for fix first cable and second cable.

The middle part of first sleeve 11 is provided with conducting strip 113, specifically, peg graft the conductor of first cable in first sleeve 11 for the conductor of first cable contacts with the one end of conducting strip 113, makes screw rod 112 drive clamp plate 114 through screwdriver rotation screw rod 112 and fixes the conductor of first cable, and the conductor of second cable peg graft in first sleeve 11 simultaneously to contact with the other end of conducting strip 113, through screw driver rotation screw rod 112, make screw rod 112 drive clamp plate 114 fix the conductor of second cable, accomplish the fixing to the cable.

The detachable cup joints in the outside of first sleeve 11 of second sleeve 12, and specifically, the both sides of second sleeve 12 set up to the toper face to the material of second sleeve 12 is insulating material, can carry out insulating processing to the junction of first cable and second cable, and the toper face can be convenient for advance the cooperation with the toper piece.

The third sleeve 13, the detachable cup joints in the outside of second sleeve 12, specifically, slide along second sleeve 12 through piece third sleeve 13, make its whole second sleeve 12 that covers, the both ends of third sleeve 13 are provided with a plurality of extrudees 131, extrudees 131 and set up to fan-shaped structure, be annular setting between the extrudees 131, the outside of extrudees 131 is provided with external screw thread 132, the inner wall of mounting 2 is provided with internal screw thread 221, external screw thread 132 connects with internal screw thread 221 soon for when mounting 2 advances the soon of third sleeve 13, extrudees 131 can produce deformation, fix the cable outside.

The fixing pieces 2 are sleeved on two sides of the sleeve assembly 1 and are used for sealing the second sleeve 12 and the third sleeve 13;

one side of mounting 2 is provided with the toper piece, and the inner wall and the cable connection of toper piece, and the hypotenuse of toper piece and the inner wall butt of second sleeve 12, specifically, the contact surface of mounting 2 and third sleeve 13 is provided with first sealing member 3, and first sealing member 3 can carry out sealing treatment to third sleeve 13, improves connection structure's sealing performance, and the toper piece is provided with the recess on the internal surface of toper piece with the conical surface butt at second sleeve 12 both ends, is provided with second sealing member 212 in the recess, carries out sealing treatment to the surface of cable.

The middle part of mounting 22 runs through and is provided with through-hole 21 for the cable passes, the inside ring channel 211 that is provided with of through-hole 21, the embedded second sealing member 212 that is equipped with of ring channel 211, the installation side of mounting 2 is provided with the taper groove 22, be provided with internal thread 221 in the taper groove 22, specifically, the installation side is the one side of taper groove 22 and third sleeve 13 outer wall connection in this scheme, is provided with internal thread 221 in the taper groove 22 simultaneously, cooperates the external thread 132 that internal thread 221 and third sleeve 13 extrusion 131 upper surface set up to when mounting 2 and third sleeve 13 carry out the spin-on, make extrusion 131 inwards shrink through the extrusion, produce deformation for third sleeve 13 can fix the surface at the cable.

The working process of the utility model comprises the following steps:

when the cable is used, the outer skins of the first cable and the second cable are removed, the middle wires are exposed, the wire parts of the first cable are spliced in the first sleeve 11 and are abutted against the conducting strips 113, the screw rods 112 symmetrically arranged in the first sleeve 11 are rotated by the screw driver, the screw rods 112 drive the pressing plates 114 to clamp and fix the wires of the first cable, then the wire segments of the second cable are spliced in the first sleeve 11 and are abutted against the other ends of the conducting strips 113, meanwhile, the screw rods 112 drive the pressing plates 114 to fix the wires of the second cable by rotating the screw rods 112, the second sleeve 12 is sleeved outside the first sleeve 11, meanwhile, the third sleeve 13 is sleeved on the outer surface of the second sleeve 12, the fixing pieces 2 are screwed in the third sleeve 13 and the second sleeve 12, the conical grooves 22 are in contact with the inner surfaces of the second sleeve 12, the second sealing pieces 212 can seal the outer skins of the cable connection positions, the two ends of the connection structures can be sealed by the fixing pieces 2, and the sealing performance and the connection stability of the device are improved.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (6)

1. Be applied to connection structure of cable, its characterized in that: comprising

A sleeve assembly (1), the sleeve assembly (1) comprising

The first sleeve (11) is sleeved at the joint of the cable;

the second sleeve (12) is detachably sleeved on the outer side of the first sleeve (11);

the third sleeve (13) is detachably sleeved on the outer side of the second sleeve (12);

the fixing pieces (2) are sleeved on two sides of the sleeve assembly (1) and are used for sealing the second sleeve (12) and the third sleeve (13);

the contact surface of the fixing piece (2) and the third sleeve (13) is provided with a first sealing piece (3);

the middle part of the fixing piece (2) is provided with a through hole (21) in a penetrating way for a cable to pass through, an annular groove (211) is formed in the through hole (21), a second sealing piece (212) is embedded in the annular groove (211), the mounting side of the fixing piece (2) is provided with a conical groove (22), and an internal thread (221) is formed in the conical groove (22);

the novel plastic rubber sleeve is characterized in that a plurality of extrusion parts (131) are arranged at two ends of the third sleeve (13), the extrusion parts (131) are of fan-shaped structures, the extrusion parts (131) are arranged in an annular mode, external threads (132) are arranged on the outer sides of the extrusion parts (131), and the external threads (132) are screwed with the internal threads (221).

2. A connection structure for cables according to claim 1, characterized in that: a plurality of threaded hole groups (101) are uniformly arranged in the first sleeve (11), the threaded hole groups (101) comprise two threaded holes (111) symmetrically arranged along the radial direction, and a screw rod (112) is connected in the threaded holes (111) in a rotating mode.

3. A connection structure for cables according to claim 1, characterized in that: a conductive sheet (113) is arranged in the middle of the first sleeve (11).

4. A connection structure for cables according to claim 2, characterized in that: the bottom of the screw rod (112) is provided with a rotary pressing plate (114).

5. A connection structure for cables according to claim 4, wherein: the lower surface of the pressing plate (114) is provided with saw teeth.

6. A connection structure for cables according to claim 1, characterized in that: the second sleeve (12) is made of an insulating material, and the first sleeve (11) is a conductor.