CN114243370A - Rapid switching cable assembly - Google Patents

Abstract

The application discloses quick adapter cable subassembly includes: the plug comprises a front plug, an adapter plug, a conducting rod and two plugging pieces; patchplug and preceding plug are T type three-way pipe, and all include by skin to inlayer: an outer shield shell and an elastic insulating layer; the front plug comprises a first access port, a first connecting port and a first plugging port; the adapter plug comprises a second access port, a second connecting port and a second plugging port; the first access port and the second access port are used for installing cables; the first connector is rotatably sleeved on the adapter connector and is communicated with the second connector; the conducting rod is arranged in the second connecting port, penetrates through the first connecting port and the second connecting port and is used for electrically connecting a cable extending into the first access port and the second access port, and the two plugging pieces are respectively arranged on the first plugging port and the second plugging port. Through setting up patchplug and preceding plug, can guarantee to laminate each other with the cable through elastic insulation layer after the cable inserts, possess compacter structure.

Description

Rapid switching cable assembly

Technical Field

The application relates to the technical field of cable switching devices, in particular to a quick switching cable assembly.

Background

When the switch cabinet is maintained in a power failure mode, the switch cabinet equipment is usually required to be powered off, then the power supply incoming cable is connected to the outgoing cable to maintain recheck power supply, and the existing connection mode is mostly connected through the cable intermediate connector. For example, in the cable assembly disclosed in patent document with publication number CN112736833A, when an incoming cable is connected, two cables need to be tightly pressed by a screw nut after being lapped on a copper terminal, and because the shape of the screw nut is not smooth, a voltage-sharing sleeve needs to be added for this purpose, and a protective sleeve needs to be added outside the voltage-sharing sleeve, so that the diameter of the whole structure is large, and a gap exists between the protective sleeve and the cable, so that a creepage risk exists.

Disclosure of Invention

In view of this, the present application provides a quick-change cable assembly, which is used to solve the problem that the existing cable intermediate connector is not compact enough in structure due to the need of adding a voltage-equalizing sleeve.

To achieve the above technical object, the present application provides a quick-change cable assembly, comprising: the plug comprises a front plug, an adapter plug, a conducting rod and two plugging pieces;

the patchplug and the front plug are T-shaped three-way pipes and comprise from an outer layer to an inner layer: an outer shield shell and an elastic insulating layer;

the front plug comprises a first access port, a first connecting port and a first plugging port;

the adapter plug comprises a second access port, a second connecting port and a second plugging port;

the first access port and the second access port are used for installing cables;

the first connector is rotatably sleeved on the adapter connector and is communicated with the second connector;

the conducting rod is arranged in the second connecting port, penetrates through the first connecting port and the second connecting port and is used for electrically connecting a cable extending into the first access port and the second access port.

The two plugging pieces are respectively arranged on the first plugging port and the second plugging port.

Further, the entrances of the first access opening and the second access opening are provided with stress cones.

Furthermore, the inside of first access mouth and second access mouth all is provided with the shield cover that the power cable passed.

Furthermore, a metal shielding supporting tube for the conducting rod to pass through is sleeved on the inner peripheral wall of the second access opening.

Further, the block piece includes: the rear cover, the plug, the nut and the special screw;

the nut is arranged on the inner side of the plug;

the special screw is arranged on the nut;

the rear cover is connected to the outer side of the plug;

the plug is arranged in the first plugging opening or the second plugging opening and is attached to the elastic insulating layer.

Further, the plug is made of epoxy resin.

Further, the elastic insulating layer is a silicone rubber layer.

It can be seen from the above technical solutions that the present application provides a quick patch cable assembly, including: the plug comprises a front plug, an adapter plug, a conducting rod and two plugging pieces; the patchplug and the front plug are T-shaped three-way pipes and comprise from an outer layer to an inner layer: an outer shield shell and an elastic insulating layer; the front plug comprises a first access port, a first connecting port and a first plugging port; the adapter plug comprises a second access port, a second connecting port and a second plugging port; the first access port and the second access port are used for installing cables; the first connector is rotatably sleeved on the adapter connector and is communicated with the second connector; the conducting rod is arranged in the second connecting port, penetrates through the first connecting port and the second connecting port and is used for electrically connecting a cable extending into the first access port and the second access port, and the plugging pieces are respectively arranged in the first plugging port and the second plugging port. Through setting up the patchplug and the preceding plug that two cables that wait to refute and connect stretched into respectively, can insert the back through elastic insulation layer at the cable and ensure to laminate each other with the cable, block that the electric field overflows, compare and still need cup joint the mode of voltage-sharing sleeve pipe and lag after the cable refutes, possess compacter structure, can effectively solve current cable intermediate head and need add and establish the voltage-sharing sleeve pipe and make the problem compact inadequately in structure.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is an exploded view of the overall structure of a quick-change cable assembly according to an embodiment of the present application;

FIG. 2 is a schematic view of a fast transition cable assembly of the present application in a pi configuration and connected to a switchgear;

fig. 3 is a schematic view of a Z-shaped quick-connect cable assembly according to an embodiment of the present invention connected to a switchgear.

Detailed Description

The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection claimed herein.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 3, an embodiment of a quick-change cable assembly includes: front plug 1, adapter plug 2, conducting rod 3 and two blocking pieces 4. Patchplug 2 is T type three-way pipe with preceding plug 1, and all includes by skin to inlayer: an outer shield shell 5 and an elastic insulating layer 6. Wherein, the outer shielding shell 5 is used for shielding and grounding the insulated induced voltage; the elastic insulating layer 6 can be an insulating elastic member made of liquid silica gel or silicon rubber and the like, and is used for tightly sleeving the cable 7 through elasticity after the cable is connected and playing a role in insulating and preventing an electric field from overflowing.

The front plug 1 comprises a first access port 11, a first connecting port 12 and a first plugging port 13; the adapter plug 2 comprises a second access port 21, a second connecting port 22 and a second plugging port 23; the first access port 11 and the second access port 21 are used for mounting the cable 7; the first connector 12 is rotatably sleeved on the adapter plug 2 and is communicated with the second connector 22; the conductive rod 3 is arranged in the second connecting port 22, penetrates through the first connecting port 12 and the second connecting port 22, and is used for electrically connecting a cable extending into the first access port 11 and the second access port 12; two closures 4 are arranged at the first closure opening 13 and the second closure opening 23, respectively.

Specifically, the front plug 1 and the patch plug 2 each include three tubes, wherein the tube of the first connection port 12 is sleeved on the tube of the second connection port 22, so as to achieve the function of insulating and sealing connection. After the two cables 7 are respectively connected to the first access port 11 and the second access port 21, the two cables are respectively connected to two ends of the conductive rod 3, so as to realize the power-on connection.

Referring to fig. 2 and 3, in the present embodiment, the T-shaped adapter plug 2 and the front plug 1 are arranged as the connectors of the cable 7, and can be directly sleeved on the cable 7 without cutting the end of the cable 7, so that the cable can be reused and the first-aid repair time can be saved. After the adapter plug 2 and the front plug 1 are connected with a cable, the whole structure is compact. It should be noted that, compared to the connection mode shown in fig. 2 and 3, in practical use, the patch plug 2 may be lowered from the cabinet to the cable trench under the cabinet after the cables are connected to three phases and the bottom plate at the bottom of the switch cabinet is opened. Simultaneously, through the patchplug 2 that this scheme provided, compare in the great adapter of current size, the bottom of cubical switchboard is more convenient for transfer to its compact structure for when needs are removed from the cubical switchboard and is maintained, the cubical switchboard can not receive the constraint of cable and can directly be with the cubical switchboard lifting, improves in-service use staff's work efficiency.

Meanwhile, the two T-shaped connectors can form a pi-shaped adapter, and compared with a traditional straight adapter, the adapter can be applied to places where the cable 7 needs to be turned or a smaller space. The patch plug 2 is rotatably connected to the front plug 1, and may be rotated to connect the two cables 7 in a Z-shape if necessary. That is, the quick adapter cable subassembly that this scheme provided can be according to practical application adjustment adapter plug 2 and preceding plug 1's angle, has higher practicality.

Further, stress cones are provided at the inlets of the first and second inlets 11 and 21.

Further, the first inlet 11 and the second inlet 21 are each provided inside with a shield cover 8 through which a cable passes. The inner peripheral wall of the second access port 21 is sleeved with a metal shielding support tube 9 for the conducting rod 3 to pass through.

Specifically, the metal shielding support tube 9 plays a role of shielding and rigid supporting. The bottom of the first and second inlets 11, 21 may also be provided with a shield 8 for abutting against the end of the cable 7. And the metal shielding support tube 9 is connected with the shielding case 8, so that the metal shielding support tube 9 and the shielding case 8 have equal potential, and sharp points in the shielding case are eliminated.

Further, the blocking piece 4 comprises: a rear cover 41, a plug 42, a nut 43 and a special screw 46; the nut 43 is installed on the inner side of the plug 42, that is, the side of the plug 42 connected with the adapter plug 2 or the front plug 1; the special screw 46 is arranged on the nut 43; the rear cover 41 covers the outer side of the plug 42; the plug 42 is installed in the first plugging port 13 or the second plugging port 23, and is attached to the elastic insulation layer 6. Wherein the plug 42 may be made of epoxy.

Specifically, the conductive member 3 is provided with screw holes at both ends thereof to match with the special screws 46, so that the plugging member 4 can be connected with the conductive member 3 in a screw-fit manner. Wherein the end of the cable 7 may be provided with lugs 71.

The quick adapter cable subassembly overall structure that this scheme provided is compact, connects and waits to refute the cable after, can block the electric field and spill over, and can adjust the angle of adapter plug 2 and preceding plug 1 according to the practical application scene, compares in current style of calligraphy and connects, has higher practicality.

Although the present invention has been described in detail with reference to examples, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.

Claims (7)

1. A quick-connect cable assembly, comprising: the plug comprises a front plug, an adapter plug, a conducting rod and two plugging pieces;

the patchplug and the front plug are T-shaped three-way pipes and comprise from an outer layer to an inner layer: an outer shield shell and an elastic insulating layer;

the front plug comprises a first access port, a first connecting port and a first plugging port;

the adapter plug comprises a second access port, a second connecting port and a second plugging port;

the first access port and the second access port are used for installing cables;

the first connector is rotatably sleeved on the adapter connector and is communicated with the second connector;

the conductive rod is arranged in the second connecting port, penetrates through the first connecting port and the second connecting port, and is used for electrically connecting a cable extending into the first access port and the second access port;

the two plugging pieces are respectively arranged on the first plugging port and the second plugging port.

2. The quick transit cable assembly of claim 1, wherein the entrance of each of the first and second access ports is provided with a stress cone.

3. The quick transit cable assembly of claim 1, wherein a metallic shielding support tube is sleeved on an inner peripheral wall of the second access opening for the conductive rod to pass through.

4. The quick transit cable assembly of claim 3, wherein the first and second access ports are each internally provided with a shield through which the cable passes.

5. The quick transit cable assembly of claim 1, wherein the closure comprises: the rear cover, the plug, the nut and the special screw;

the nut is arranged on the inner side of the plug;

the special screw is arranged on the nut and is connected with the conducting rod;

the rear cover is connected to the outer side of the plug;

the plug is arranged in the first plugging opening or the second plugging opening and is attached to the elastic insulating layer.

6. The quick transit cable assembly of claim 5, wherein the plug is made of epoxy.

7. The quick transit cable assembly of claim 1, wherein the resilient insulating layer is a silicone rubber layer.

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