CN216530511U

CN216530511U - Cable connector

Info

Publication number: CN216530511U
Application number: CN202123215174.4U
Authority: CN
Inventors: 张璟
Original assignee: Ningbo Donghao Electric Power Technology Co ltd
Current assignee: Ningbo Donghao Electric Power Technology Co ltd
Priority date: 2021-12-18
Filing date: 2021-12-18
Publication date: 2022-05-13
Anticipated expiration: 2031-12-18

Abstract

The utility model relates to a cable joint, which comprises a first cable sleeve and a second cable sleeve, wherein the second cable sleeve is detachably arranged on the first cable sleeve; the parcel has first insulation cover on the first cable sleeve, and the parcel has second insulation cover on the second cable sleeve, all is provided with fire-retardant piece in first insulation cover and the second insulation cover, and first insulation cover and second insulation cover can play the effect that prevents the burning through the fire-retardant piece that corresponds respectively. The cable joint disclosed by the utility model has the fireproof and flame-retardant functions, not only is the stability realized, but also the manual wrapping of a fireproof bag or a fireproof blanket during subsequent installation is avoided, so that the cable joint is convenient to use and install.

Description

Cable connector

Technical Field

The utility model belongs to the technical field related to cable connection, and particularly relates to a cable joint.

Background

The high-voltage cable is usually sleeved with a cable connector at the position of the connector so as to protect the connection between the high-voltage cables, and the cable connector is required to have a better fireproof and flame-retardant function due to the self reasons of cable connection and the like. At present, the existing cable joint usually adopts a mode of wrapping a fireproof bag or a fireproof blanket outside the cable joint to realize the fireproof and flame-retardant functions of the cable joint.

The cable joint of above-mentioned structure can satisfy the fire-retardant function of cable joint fire prevention to a certain extent, however, adopts the mode of fire prevention package or fire blanket outsourcing, and not only complex operation, with high costs, the manual direct absolute cable joint holistic fire prevention fire-retardant function of good or bad that will fire prevention package or fire blanket parcel moreover of operation personnel to influence the whole fire-retardant performance of preventing fires of cable joint.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a cable joint for solving the above technical problems.

A cable joint comprising a first cable sleeve and a second cable sleeve, the second cable sleeve being removably mounted on the first cable sleeve;

the first cable sleeve is wrapped with a first insulating shell, the second cable sleeve is wrapped with a second insulating shell, the first insulating shell and the second insulating shell are internally provided with flame-retardant pieces, and the first insulating shell and the second insulating shell can respectively correspond to the flame-retardant pieces to prevent combustion.

In this application, set up fire-retardant piece in through first insulating casing and the second insulating casing respectively to make this first insulating casing and second insulating casing have the fire-retardant function of fire prevention, and then make this cable joint self have the fire-retardant function of fire prevention, not only stability, manual parcel fire prevention package or fire blanket when avoiding follow-up installation in addition, so that this cable joint's use installation.

In one embodiment, the flame retardant member is provided as a flame retardant.

It will be appreciated that the flame retardant element is provided as a flame retardant, thereby embodying the structural arrangement of the flame retardant element.

In one embodiment, the first and second insulating housings are provided as a cross-linked polyethylene member, and the flame retardant is provided in a mixed manner within the cross-linked polyethylene member.

It can be understood that, the flame retardant is mixed with the cross-linked polyethylene, so that the first insulating shell and the second insulating shell have the functions of fire prevention and flame retardation, and the performance of fire prevention and flame retardation of the cable joint is ensured.

In one embodiment, the first cable sleeve partially extends towards the second cable sleeve relative to the first insulating shell and is provided with a first connection joint, the second cable sleeve partially extends towards the first cable sleeve relative to the second insulating shell and is provided with a second connection joint, and the first cable sleeve and the second cable sleeve are fixedly connected through the first connection joint and the second connection joint.

It can be understood that the above-described structural arrangement of the first and second splice connectors realizes the fitting connection between the first and second cable sleeves.

In one embodiment, a first groove is formed in the first connecting joint, a sealing ring is sleeved in the first groove, and the first connecting joint and the second connecting joint are assembled and sealed through the sealing ring.

It will be appreciated that the above-described arrangement of the sealing ring enables the first and second connection joints to be fitted and sealed.

In one embodiment, a second groove is formed in the first connection joint, a plurality of limiting members are arranged on the outer periphery of the second connection joint, and each limiting member can penetrate through the second connection joint and extend into the second groove to limit the second connection joint on the first connection joint.

It can be understood that, through the structural arrangement of the limiting member and the second groove, the limiting assembly between the first connection joint and the second connection joint is specifically realized.

In one embodiment, a first ground terminal is fitted to the first insulating housing, and one end of the first ground terminal is connected to the outer tube wall of the first cable bushing and the other end thereof protrudes outward with respect to the first insulating housing portion.

It will be appreciated that the grounding of the first cable bushing is particularly achieved by the above-described structural arrangement of the first ground terminal.

In one embodiment, a second ground terminal is embedded in the first insulating housing, one end of the second ground terminal is connected to the first connection terminal through a conductive insert, and the other end of the second ground terminal protrudes outward relative to the first insulating housing.

It will be appreciated that the grounding of the second cable bushing is particularly achieved by the structural arrangement of the second ground terminal described above.

In one embodiment, the first cable sleeve partially extends out of the first insulating shell in a direction away from the second cable sleeve, and a plurality of first openings are formed at intervals on an opening edge of the portion extending out of the first insulating shell.

It can be understood that, through opening a plurality of first openings on the opening edge of the part of the first cable sleeve extending out of the first insulating shell, when the cable joint is applied to cable connection, the end part of the first cable sleeve provided with the first opening can deform, so that the first cable sleeve is sleeved on a cable, and then the assembly limit between the first cable sleeve and the cable can be realized by bending the part of the first cable sleeve provided with the first opening to deform, so that the stability of assembly between the first cable sleeve and the cable passing through the first cable sleeve is improved.

In one embodiment, the second cable sleeve partially extends out of the second insulating shell in a direction away from the first cable sleeve, and a plurality of second openings are formed at intervals on the opening edge of the portion extending out of the second insulating shell.

It can be understood that, when the cable connector is applied to cable connection, the end portion of the second cable sleeve, which is provided with the second opening, can be deformed so as to facilitate the sheathing of the second cable sleeve on a cable, and then the assembly limitation between the second cable sleeve and the cable can be realized by bending the deformation of the portion of the second cable sleeve, which is provided with the second opening, so as to improve the stability of the assembly between the second cable sleeve and the cable passing through the second cable sleeve.

Drawings

Fig. 1 is an exploded view of a cable connector according to an embodiment of the present application.

Fig. 2 is an enlarged view of a portion P in fig. 1.

Fig. 3 is a schematic cross-sectional view of a first insulating housing or a second insulating housing according to an embodiment of the present application.

10, a first cable sleeve; 110. a first opening; 11. a first insulating housing; 12. a first connection joint; 121. a first groove; 122. a second groove; 20. a second cable bushing; 210. a second opening; 21. a second insulating housing; 22. a second connection joint; 30. a seal ring; 41. a first ground terminal; 42. a second ground terminal; 421. a conductive insert; 101. and a flame-retardant member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It will be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, a cable joint according to an embodiment of the present invention includes a first cable bushing 10 and a second cable bushing 20.

The second cable sleeve 20 is detachably mounted on the first cable sleeve 10, so that when the cable connector is applied to cable connection, the first cable sleeve 10 can be firstly sleeved on one strand of cable, the second cable sleeve 20 is sleeved on the other strand of cable, and after the two strands of cables are connected, the second cable sleeve 20 is connected with the first cable sleeve 10.

As shown in fig. 1 and 3, the first cable sleeve 10 is wrapped with the first insulating housing 11, the second cable sleeve 20 is wrapped with the second insulating housing 21, the first insulating housing 11 and the second insulating housing 21 are both provided with the flame retardant member 101 therein, and the first insulating housing 11 and the second insulating housing 21 can respectively play a role in preventing combustion through the corresponding flame retardant members 101. That is to say, this first insulating housing 11 and second insulating housing 21 have the fire-retardant function of fire prevention, and then make this cable joint self have the fire-retardant function of fire prevention, not only stability, manual parcel fire prevention package or fire blanket when avoiding subsequent installation moreover to the use installation of this cable joint.

In some embodiments, the flame retardant member 101 is configured as a flame retardant, thereby embodying the structural configuration of the flame retardant member 101.

As shown in fig. 3, the first insulating housing 11 and the second insulating housing 21 are made of cross-linked polyethylene, and the flame retardant is mixed in the cross-linked polyethylene, so as to specifically realize the molding of the flame retardant on the first insulating housing 11 and the second insulating housing 21, so that the first insulating housing 11 and the second insulating housing 21 have the functions of fire prevention and flame retardation, thereby ensuring the performance of fire prevention and flame retardation of the whole cable joint. Of course, it should be noted that the flame retardant is not limited to the illustration, and it is obvious to those skilled in the art that the flame retardant may be separately molded on the first insulating housing 11 and the second insulating housing 21, and will not be described herein.

As shown in fig. 1, the first cable bushing 10 partially extends toward the second cable bushing 20 relative to the first insulating housing 11 and is formed with a first connection joint 12, the second cable bushing 20 partially extends toward the first cable bushing 10 relative to the second insulating housing 21 and is formed with a second connection joint 22, and the first cable bushing 10 and the second cable bushing 20 are connected and fixed by the first connection joint 12 and the second connection joint 22, so as to implement the assembly connection between the first cable bushing 10 and the second cable bushing 20.

As shown in fig. 2, the first connection joint 12 is provided with a first groove 121, a sealing ring 30 is sleeved in the first groove 121, and the first connection joint 12 and the second connection joint 22 are assembled and sealed by the sealing ring 30, so as to realize the assembly and sealing between the first connection joint 12 and the second connection joint 22. The seal ring 30 is deformed by the pressing of the second connection joint 22 and the second connection joint 22, thereby improving the sealing property of the fitting between the first connection joint 12 and the second connection joint 22.

As shown in fig. 2, the first connection joint 12 is further provided with a second groove 122, the outer periphery of the second connection joint 22 is provided with a plurality of limiting members (not shown), each limiting member can penetrate through the second connection joint 22 and extend into the second groove 122, so as to limit the second connection joint 22 on the first connection joint 12, thereby realizing the limiting assembly between the first connection joint 12 and the second connection joint 22. It should be noted that the limiting member is specifically configured as a limiting screw.

As shown in fig. 1, a first ground terminal 41 is embedded in the first insulating housing 11, one end of the first ground terminal 41 is connected to the outer wall of the first cable bushing 10, and the other end of the first ground terminal partially protrudes outward relative to the first insulating housing 11, thereby realizing grounding of the first cable bushing 10.

The first insulating housing 11 is embedded with a second grounding terminal 42, one end of the second grounding terminal 42 is connected to the first connection terminal 12 through a conductive insert 421, and the other end partially extends outward relative to the first insulating housing 11, thereby realizing grounding of the second cable bushing 20.

It can be understood that the cable connector has the first ground terminal 41 and the second ground terminal 42 collectively disposed on the first cable sleeve 10, so as to facilitate the production and preparation of the cable connector on the basis of meeting the requirement of grounding the first cable sleeve 10 and the second cable sleeve 20 simultaneously on the cable connector.

In some embodiments, the first cable sleeve 10 partially extends out of the first insulating housing 11 in a direction away from the second cable sleeve 20, and the first cable sleeve 10 has a plurality of first openings 110 at intervals on an opening edge of the portion extending out of the first insulating housing 11, so that when the cable connector is applied to cable connection, an end portion of the first cable sleeve 10 on which the first openings 110 are formed can be deformed, so as to facilitate sleeving the first cable sleeve 10 on a cable, and then, the first cable sleeve 10 and the cable can be assembled and limited by bending the portion of the first cable sleeve 10 on which the first openings 110 are formed to deform, so as to improve stability of assembly between the first cable sleeve 10 and the cable passing through the first cable sleeve 10. The diameter of the first opening 110 is gradually reduced toward the second cable bushing 20.

In some embodiments, the second cable sleeve 20 partially extends out of the second insulating housing 21 in a direction away from the first cable sleeve 10, and the second cable sleeve 20 is provided with a plurality of second openings 210 at intervals on an opening edge of the portion extending out of the second insulating housing 21, so that when the cable connector is applied to cable connection, an end portion of the second cable sleeve 20 provided with the second openings 210 can be deformed, so as to conveniently sleeve the second cable sleeve 20 on a cable, and then, the assembly limit between the second cable sleeve 20 and the cable can be realized by bending the portion of the second cable sleeve 20 provided with the second openings 210 to be deformed, so as to improve the stability of assembly between the second cable sleeve 20 and the cable passing through the second cable sleeve 20. The diameter of the second opening 210 gradually decreases toward the first cable bushing 10.

In addition, it should be noted that, the first cable bushing 10 and the second cable bushing 20 of the cable joint are both provided as copper tubes, so as to facilitate the production and preparation of the cable joint.

The features of the above embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above embodiments are not described, but should be construed as being within the scope of the present specification as long as there is no contradiction between the combinations of the features.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications to the above embodiments are within the scope of the claimed invention as long as they are within the spirit of the present invention.

Claims

1. A cable joint comprising a first cable bushing (10) and a second cable bushing (20), the second cable bushing (20) being detachably mounted on the first cable bushing (10);

the method is characterized in that: the utility model discloses a fire-retardant cable sheath, including first cable sleeve (10), first cable sleeve (10) is gone up the parcel and is had first insulating casing (11), the parcel has second insulating casing (21) on second cable sleeve (20), first insulating casing (11) with all be provided with fire-retardant piece (101) in second insulating casing (21), just first insulating casing (11) with second insulating casing (21) can be through corresponding respectively fire-retardant piece (101) play the effect that prevents the burning.

2. The cable joint of claim 1, wherein: the flame retardant member (101) is provided as a flame retardant.

3. The cable joint of claim 2, wherein: the first insulating case (11) and the second insulating case (21) are provided as a cross-linked polyethylene member in which the flame retardant is disposed in a mixed manner.

4. The cable joint of claim 1, wherein: the first cable sleeve (10) partially extends towards the second cable sleeve (20) relative to the first insulating shell (11) and is provided with a first connecting joint (12), the second cable sleeve (20) partially extends towards the first cable sleeve (10) relative to the second insulating shell (21) and is provided with a second connecting joint (22), and the first cable sleeve (10) is connected with the second cable sleeve (20) through the first connecting joint (12) and the second connecting joint (22).

5. The cable joint of claim 4, wherein: a first groove (121) is formed in the first connecting joint (12), a sealing ring (30) is sleeved in the first groove (121), and the first connecting joint (12) and the second connecting joint (22) are assembled and sealed through the sealing ring (30).

6. The cable joint of claim 4, wherein: the first connecting joint (12) is provided with a second groove (122), the outer periphery of the second connecting joint (22) is provided with a plurality of limiting pieces, and each limiting piece can penetrate through the second connecting joint (22) and extend into the second groove (122) so as to limit the second connecting joint (22) on the first connecting joint (12).

7. The cable joint of claim 1, wherein: a first grounding terminal (41) is embedded in the first insulating shell (11), one end of the first grounding terminal (41) is connected to the outer wall of the first cable sleeve (10), and the other end of the first grounding terminal partially extends outwards relative to the first insulating shell (11).

8. The cable joint of claim 4, wherein: and a second grounding terminal (42) is embedded in the first insulating shell (11), one end of the second grounding terminal (42) is connected to the first connecting joint (12) through a conductive insert (421), and the other end of the second grounding terminal partially extends outwards relative to the first insulating shell (11).

9. The cable joint of claim 1, wherein: the first cable sleeve (10) partially extends out of the first insulating shell (11) towards the direction far away from the second cable sleeve (20), and a plurality of first openings (110) are formed in the first cable sleeve (10) at intervals on the opening edge of the portion extending out of the first insulating shell (11).

10. The cable joint of claim 1, wherein: the second cable sleeve (20) partially extends out of the second insulating shell (21) towards the direction far away from the first cable sleeve (10), and a plurality of second openings (210) are formed in the second cable sleeve (20) at intervals on the opening edge of the portion extending out of the second insulating shell (21).