CN212137257U

CN212137257U - Quick-connection middle joint for low-voltage cable

Info

Publication number: CN212137257U
Application number: CN202020882451.3U
Authority: CN
Inventors: 吴泽龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-12-11
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a quick-connect middle joint of low tension cable, including connecting public seat and the female seat of joint, connect public seat and the inside centre of the female seat of joint all to be equipped with the connecting hole, the connecting hole is that the outside bore is big, and inboard bore is little, be equipped with the internal thread on the medial surface of connecting hole, equal threaded connection has the adapter sleeve in the connecting hole. The utility model discloses the during operation, in the tip of the cable that will two needs to connect inserted joint respectively the fastening cover of the public seat of joint and the female seat of joint, rotatory nut on the adapter sleeve rotates again, make fastening cover looks internal rotation, because the interior aperture of connecting hole is little, make the fastening strip of adapter sleeve upper end press from both sides tight cable, again with connect in the connecting rod on the public seat insert the spread groove with the female seat of joint, and the public seat of opposite direction rotary joint and the female seat of joint, make the protruding mutual joint of cardboard in the spread groove of the protruding and the spread groove of card on the connecting rod, thereby make the articulate of cable, connect fast, high durability and convenient operation.

Description

Quick-connection middle joint for low-voltage cable

Technical Field

The utility model relates to a cable junction technical field specifically is a quick-connect intermediate head of low tension cable.

Background

The cable is an electric energy or signal transmission device and generally consists of a plurality of wires or groups of wires; and in the installation work progress of low tension cable, often meet the connection problem of two cables, for the connection of convenient cable conductor, need cable intermediate head. Most of the existing cable connectors are complex in operation during connection, low in connection speed, poor in connection fixation and poor in sealing performance, and therefore a low-voltage cable quick-connection middle connector is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick-connect intermediate head of low tension cable to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides a quick-connect middle joint of low tension cable, is including connecting public seat and connecting female seat, it all is equipped with the connecting hole in the middle of the inside of the public seat of joint and connecting female seat, the connecting hole is big for outside bore, and the inboard bore is little, be equipped with the internal thread on the medial surface of connecting hole, equal threaded connection has the adapter sleeve in the connecting hole, the terminal surface symmetry of connecting public seat is provided with the connecting rod, the connecting rod is kept away from and is connected public seat one end and be equipped with the card protruding, the terminal surface symmetry of connecting female seat is equipped with the spread groove of mutually supporting with the connecting rod, be equipped with the cardboard with the protruding matched with of card cardboard in the spread groove, the face of being connected of cardboard and card protruding is the inclined plane setting, the.

As a further aspect of the present invention: the adapter sleeve includes swivel nut and a plurality of fastening strip, swivel nut's inside is equipped with the through-hole, and is a plurality of the one end fixed connection of fastening strip is on swivel nut's a side reason, be equipped with on the lateral surface of fastening strip with internal thread matched with external screw thread.

As a further aspect of the present invention: the fastening strips are distributed on the rotating screw cap in an annular array.

As a further aspect of the present invention: sealing mechanism includes sealing washer and seal groove, sealing washer fixed connection is at the side outside end that connects public seat to be close to the connecting rod, the seal groove sets up at the side outside end that connects female seat to be close to the spread groove, the cooperation is connected between sealing washer and the seal groove, can effectually carry out sealing connection with connecting public seat and the female seat of joint, places the liquid infiltration and appears the short circuit.

As a further aspect of the present invention: be equipped with anti-skidding protruding on the inside wall of fastening strip, the more stable fastening cable of being convenient for.

As a further aspect of the present invention: all be equipped with anti-skidding line on the lateral surface of joint public seat and joint female seat, be favorable to when cable junction, increase the frictional force of operating personnel's hand and connector, convenient operation.

Compared with the prior art, the utility model has the advantages of following several aspects:

1. the utility model discloses the during operation, in the tip of the cable that will two needs to connect inserted joint respectively the fastening cover of the public seat of joint and the female seat of joint, rotatory nut on the adapter sleeve rotates again, make fastening cover looks internal rotation, because the interior aperture of connecting hole is little, make the fastening strip of adapter sleeve upper end press from both sides tight cable, again with connect in the connecting rod on the public seat insert the spread groove with the female seat of joint, and the public seat of opposite direction rotary joint and the female seat of joint, make the protruding mutual joint of cardboard in the spread groove of the protruding and the spread groove of card on the connecting rod, thereby make the articulate of cable, connect fast, high durability and convenient operation.

2. The utility model discloses the sealing washer and the seal groove that the junction of connecting public seat and joint female seat set up can effectually carry out sealing connection with connecting public seat and joint female seat, places the liquid infiltration and appears the short circuit.

Drawings

Fig. 1 is a schematic structural diagram of a quick-connection intermediate joint of a low-voltage cable.

Fig. 2 a is a schematic side view of a female connector seat of a low-voltage cable quick-connection intermediate head.

b is a schematic side view of a male connector base of a low-voltage cable quick-connection intermediate head.

Fig. 3 is a schematic top view of a low-voltage cable quick-connecting intermediate head.

Fig. 4 is a schematic structural diagram of a fastening sleeve in a low-voltage cable quick-connection intermediate head.

In the figure: 1. a male connector base; 11. a connecting strip; 12. a seal ring; 111. clamping convex; 2. a joint female seat; 21. connecting grooves; 211. clamping a plate; 22. a sealing groove; 23. an internal thread; 3. fastening sleeves; 31. rotating the nut; 32. fastening strips; 33. an external thread; 4. and connecting the holes.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, a low-voltage cable quick-connection middle joint comprises a male joint seat 1 and a female joint seat 2, wherein connection holes 4 are formed in the middle of the interiors of the male joint seat 1 and the female joint seat 2, the connection holes 4 are large in outer diameter and small in inner diameter, internal threads 23 are formed in the inner side surfaces of the connection holes 4, fastening sleeves 3 are connected in the connection holes 4 in a threaded manner, connecting rods 11 are symmetrically arranged on one end surfaces of the male joint seat 1, clamping protrusions 111 are arranged at the ends, far away from the male joint seat 1, of the connecting rods 11, connecting grooves 21 matched with the connecting rods 11 are symmetrically arranged on one end surfaces of the female joint seat, clamping plates 211 matched with the clamping protrusions 111 are arranged in the connecting grooves 21, the connecting surfaces of the clamping plates 211 and the clamping protrusions 111 are arranged on inclined surfaces, and sealing mechanisms are further arranged at the joints of the.

Wherein, adapter sleeve 3 includes swivel nut 31 and a plurality of holding strip 32, and swivel nut 31's inside is equipped with the through-hole, and the one end fixed connection of a plurality of holding strip 32 is equipped with on the lateral surface of holding strip 32 with internal thread 23 matched with external screw thread 33 on swivel nut 31's a side edge.

Wherein a plurality of fastening strips 32 are distributed on the rotating nut 31 in a ring-shaped array.

Wherein, sealing mechanism includes sealing washer 12 and seal groove 22, and sealing washer 12 fixed connection is at the public seat 1 side outside end that is close to connecting rod 11 that connects, and seal groove 22 sets up at the female seat 2 side outside end that is close to spread groove 21 that connects, and the cooperation is connected between sealing washer 12 and the seal groove 22, can effectually carry out sealing connection with the public seat 1 of joint and the female seat 2 of joint, places the liquid infiltration and appears the short circuit.

Wherein, be equipped with on the inside wall of fastening strip 32 anti-skidding protruding, the more stable fastening cable of being convenient for.

Wherein, all be equipped with anti-skidding line on the lateral surface of joint public seat 1 and joint female seat 2, be favorable to when cable junction, increase the frictional force of operating personnel's hand and connector, convenient operation.

The utility model discloses a theory of operation is: the utility model discloses the during operation, in inserting the adapter sleeve 3 of the public seat of joint 1 of tip difference and the female seat 2 of joint with two cables that need connect, rotatory nut 31 on the adapter sleeve 3 again, make 3 looks rotations of adapter sleeve, because the interior aperture that connects hole 4 is little, make the binding strip 32 of 3 upper ends of adapter sleeve press from both sides tight cable, again will connect connecting rod 11 on the public seat 1 to insert and connect in the spread groove 21 of the female seat 2, and the public seat of opposite direction rotary joint 1 and the female seat 2 of joint, make the mutual joint of cardboard 211 in the protruding 111 of card on the connecting rod 11 and the spread groove 21, thereby make the articulate of cable, connect fast, and convenient for operation. The sealing washer 12 and the seal groove 22 that the junction of joint public seat 1 and joint female seat 2 set up can be effectual carries out sealing connection with joint public seat 1 and joint female seat 2, places the liquid infiltration and appears the short circuit.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The quick-connection middle joint for the low-voltage cables is characterized by comprising a male joint seat (1) and a female joint seat (2), wherein a connecting hole (4) is formed in the middle of the interiors of the male joint seat (1) and the female joint seat (2), the connecting hole (4) is large in outer diameter and small in inner diameter, an internal thread (23) is arranged on the inner side surface of the connecting hole (4), a fastening sleeve (3) is connected in the connecting hole (4) in a threaded manner, a connecting rod (11) is symmetrically arranged on one end surface of the male joint seat (1) of the connecting rod (11), a clamping boss (111) is arranged at one end, away from the male joint seat (1), of the connecting rod (11), a connecting groove (21) matched with the connecting rod (11) is symmetrically arranged on one end surface of the female joint seat (2), a clamping plate (211) matched with the clamping boss (111) is arranged in the connecting groove (21), and the connecting surfaces of the clamping plate (211) and the clamping boss (, and a sealing mechanism is further arranged at the joint of the joint male seat (1) and the joint female seat (2).

2. A quick-connect intermediate head for low-voltage cables, according to claim 1, characterized in that said fastening sleeve (3) comprises a rotating nut (31) and a plurality of fastening strips (32), said rotating nut (31) being provided with a through hole inside, one end of said fastening strips (32) being fixedly connected to one side edge of said rotating nut (31), said fastening strips (32) being provided on their outer side with external threads (33) cooperating with said internal threads (23).

3. A quick-connect intermediate head for low-voltage cables, according to claim 2, characterized in that said fastening strips (32) are distributed in an annular array on the rotating nut (31).

4. A quick-connect intermediate head for low-voltage cables, according to claim 3, characterized in that said fastening strips (32) are provided, on their internal lateral walls, with anti-slip projections.

5. The quick-connection middle joint for the low-voltage cables as claimed in claim 1, wherein the sealing mechanism comprises a sealing ring (12) and a sealing groove (22), the sealing ring (12) is fixedly connected to the outer side end of one side surface of the joint male seat (1) close to the connecting rod (11), the sealing groove (22) is arranged on the outer side end of one side surface of the joint female seat (2) close to the connecting groove (21), and the sealing ring (12) and the sealing groove (22) are connected in a matched mode.

6. The quick-connection middle joint for the low-voltage cables as claimed in claim 1, wherein the outer side surfaces of the male joint seat (1) and the female joint seat (2) are provided with anti-slip threads.