CN202217796U

CN202217796U - Waterproof cable connecting subassembly

Info

Publication number: CN202217796U
Application number: CN2011203072681U
Authority: CN
Inventors: 王睿
Original assignee: DALIAN UNION POLYMER MATERIAL Co Ltd
Current assignee: DALIAN UNION POLYMER MATERIAL Co Ltd
Priority date: 2011-08-22
Filing date: 2011-08-22
Publication date: 2012-05-09
Anticipated expiration: 2021-08-22

Abstract

The utility model relates to a waterproof cable connecting subassembly, which particularly and structurally comprises a heat-shrinkable sleeve parent tube (1), an annular wiring terminal (2) and hot-melt adhesive rings (3). The heat-shrinkable sleeve parent tube (1) is sleeved outside the annular wiring terminal (2); furthermore, the annular wiring terminal (2) is positioned in a wiring area at the middle part of the heat-shrinkable sleeve parent tube (1); two sides of the wiring area at the middle part of the heat-shrinkable sleeve parent tube (1) are sealing areas; and the two sealing areas are internally provided with one hot-melt adhesive ring (3) respectively. Due to the achievement of the embodiment, the connecting process of a cable joint can be simplified, and furthermore, the existence of residual air between the cable joint and a heat-shrinkable sleeve is avoided, so as to promote the connecting efficiency and the connecting quality of the cable joint and improve the sealing property of the heat-shrinkable sleeve, thereby providing more lasting and reliable insulating sealing protection for the cable joint.

Description

A kind of water proof type cable coupling assembling

Technical field

The utility model belongs to cable and wire interconnection technique field, relates in particular to a kind of water proof type cable coupling assembling.

Background technology

In electric power system and communication system, often need connect and insulating protection cable connector.At present, the connection of cable connector is mainly accomplished through two steps: the first step with the insulation displacement of want connection cable, and is connected to the current-carrying part of cable; In second step, carry out waterproof sealing and handle.But in the prior art, there is a lot of shortcomings in the concrete operations of these two steps:

The first, in the processing of the first step, the staff can only utilize metal displacer that the current-carrying part of institute's connection cable is tightened connection at present, and still, this mode of operation not only wastes time and energy, but also makes troubles for follow-up maintenance work.

The second, in the processing in second step, the present adoptable processing mode of staff has two kinds: a kind of is to twine two to three circle adhesive waterproof tapes earlier at the cable connector place, twines two to three circle sealed insulation adhesive tapes again; Another kind is heat-shrinkable T bush to be enclosed within the cable connector place in advance then thereby sealing is accomplished in its heating; Obviously, first kind of mode wastes time and energy, process is loaded down with trivial details, follow-up maintenance is difficult, so the user is fewer and feweri; Though and the second way can overcome first kind shortcoming; But in the pyrocondensation seal process; More residual air between cable connector and heat-shrinkable T bush unavoidably; And these air not only can make the sealed insulation effect descend, but also can accelerate the aging speed of cable connector and heat-shrinkable T bush, therefore can bring more frequent line upkeep to the staff.

Summary of the invention

The utility model provides a kind of water proof type cable coupling assembling; So that simplify the connection procedure of cable connector; And avoid between cable connector and heat-shrinkable T bush, having residual air; Thereby promote the joint efficiency and the quality of connection of cable connector, improve the sealing property of heat-shrinkable T bush, think that cable connector provides the protection of lasting more insulated enclosure reliably.

The purpose of the utility model realizes through following technical scheme:

A kind of water proof type cable coupling assembling comprises: heat-shrinkable T bush parent tube 1, ring connection terminal 2 and PUR ring 3;

Ring connection terminal 2 is outer to be set with heat-shrinkable T bush parent tube 1, and this ring connection terminal 2 is positioned at the Wiring area at heat-shrinkable T bush parent tube 1 middle part, and the Wiring area both sides at heat-shrinkable T bush base 1 middle part are seal area; Be respectively equipped with a PUR ring 3 in two seal areas.

Preferably, corresponding annular binding post 2 is a solder ring.

Technical scheme by above-mentioned the utility model embodiment provides can be found out; The utility model embodiment outside ring connection terminal 2 suit heat-shrinkable T bush parent tube 1, and the seal area in heat-shrinkable T bush base 1 both sides is provided with two PUR rings 3, when needs connect two cables; The current-carrying part that to peel off two cables of insulating barrier earlier inserts the ring from the both sides of ring connection terminal 2; Utilize the crimping embedding that ring connection terminal 2 is flattened and can two cables firmly be connected then, again heat-shrinkable T bush parent tube 1 is heated, melt until PUR ring 3; Can make the heat-shrinkable T bush parent tube tightly be coated on outside the cable connector; And let PUR be filled between cable connector and the heat-shrinkable T bush, get rid of the air of the inside, thereby accomplish sealing cable connector.It is thus clear that; The connection procedure of cable connector is simplified in the enforcement of the utility model embodiment; And avoid between cable connector and heat-shrinkable T bush, having residual air; Thereby promote the joint efficiency and the quality of connection of cable connector, improve the sealing property of heat-shrinkable T bush, think that cable connector provides the protection of lasting more insulated enclosure reliably.

Description of drawings

Fig. 1 is the structural representation of the water proof type cable coupling assembling that the utility model provided.

Embodiment

To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; It is understandable that described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

To combine accompanying drawing that the utility model embodiment is done to describe in detail further below.

Embodiment one

As shown in Figure 1, a kind of water proof type cable coupling assembling, its concrete structure can comprise: heat-shrinkable T bush parent tube 1, ring connection terminal 2 and PUR ring 3; Ring connection terminal 2 is outer to be set with heat-shrinkable T bush parent tube 1, and this ring connection terminal 2 is positioned at the Wiring area at heat-shrinkable T bush parent tube 1 middle part, and the Wiring area both sides at heat-shrinkable T bush base 1 middle part are seal area; Be respectively equipped with a PUR ring 3 in two seal areas.

Wherein, corresponding annular binding post 2 can be solder ring; Because solder ring has good electrical conductivity, and mechanical strength a little less than, so this solder ring can not only guarantee the smooth transmission of the signal of telecommunication, and the staff can be flattened solder ring easily, so that cable connector is connected.

Particularly, corresponding heat-shrinkable T bush parent tube 1 can be crosslinking with radiation type polyolefin insulation heat-shrinkable T bush of the prior art; Usually (HDPE is the abbreviation of High DensityPolyethylene to this crosslinking with radiation type polyolefin insulation heat-shrinkable T bush by HDPE in the prior art; Be translated into high density polyethylene (HDPE)), (LDPE is the abbreviation of low density polyethylene to LDPE; Be translated into low density polyethylene (LDPE)), (LLDPE is the abbreviation of Linear low density polyethylene to LLDPE; Be translated into LLDPE) or EEA (EEA is the abbreviation of ethylene-ethyl acrylate copolymer, is translated into EEA) at least a material process.This crosslinking with radiation type polyolefin insulation heat-shrinkable T bush has the favorable mechanical performance, can resist certain external impact, thereby effectively prevent cable connector generation mechanical wear, improves its safety in utilization and useful life, reduces the follow-up maintenance cost.Simultaneously; This crosslinking with radiation type polyolefin insulation heat-shrinkable T bush has good pyrocondensation performance; After being heated, can very sealing the Xin Alan joint reliably, thereby safeguard procedures such as lasting more insulation reliably, sealing, waterproof and dustproof are provided for cable connector.

Further, the processing and manufacturing process and the method for using of the water proof type cable coupling assembling that provided of the utility model embodiment are following:

The manufacture process of this water proof type cable coupling assembling: will make good heat-shrinkable T bush parent tube 1 and carry out caliber expansion typing, generally expanding multiplying power is 3: 1; Then suitable ring connection terminal 2 is extend into the Wiring area at heat-shrinkable T bush parent tube 1 middle part, and put into the PUR ring 3 that an aperture equates with ring connection terminal 2 at the seal area of heat-shrinkable T bush base 1 both sides respectively; Again a thickness is extend in the heat-shrinkable T bush parent tube 1 with the consistent teflon rod in ring connection terminal 2 apertures, and heat-shrinkable T bush parent tube 1 is suitably heated, ring connection terminal 2 and PUR ring 3 are tightly coated until heat-shrinkable T bush parent tube 1; At last, extract teflon rod, can accomplish the processing and fabricating of this water proof type cable coupling assembling after the cooling.Because the melt temperature of PUR ring 3 is much larger than the pyrocondensation temperature of heat-shrinkable T bush parent tube 1, so this pyrocondensation course of processing can be accomplished before PUR ring 3 does not melt.Simultaneously owing to the existence that teflon rod is arranged, so the minimum-value aperture of heat-shrinkable T bush parent tube 1 all can be less than ring connection terminal 2 apertures.

The method for using of this water proof type cable coupling assembling: when needs connect two cables; The current-carrying part that to peel off two cables of insulating barrier earlier inserts the ring from the both sides of ring connection terminal 2; Utilize the crimping embedding that ring connection terminal 2 is flattened and can two cables firmly be connected then, again heat-shrinkable T bush parent tube 1 is heated, melt until PUR ring 3; Can make the heat-shrinkable T bush parent tube tightly be coated on outside the cable connector; And let PUR be filled between cable connector and the heat-shrinkable T bush, get rid of the air of the inside, thereby accomplish sealing cable connector.

Need to prove; When using the utility model embodiment, the cable that needs to connect can be for different line footpaths, because heat-shrinkable T bush parent tube 1 has certain shrink property; So the line of cable footpath only needs to consider the internal diameter of ring connection terminal 2; The line footpath sum that is the cable of required connection should be less than the internal diameter of ring connection terminal 2, thereby guarantees that all cables all can be inserted in the ring connection terminal 2, has carried out pressing and has connected.In the production of the described water proof type cable of this utility model coupling assembling, can adopt the ring connection terminal 2 of different inner diameters, and then make the water proof type cable coupling assembling of different sizes according to using the not demand of the cable in collinear footpath.

It is thus clear that; The realization of the utility model embodiment can be simplified the connection procedure of cable connector; And avoid between cable connector and heat-shrinkable T bush, having residual air; Thereby promote the joint efficiency and the quality of connection of cable connector, improve the sealing property of heat-shrinkable T bush, think that cable connector provides the protection of lasting more insulated enclosure reliably.

The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.

Claims

1. a water proof type cable coupling assembling is characterized in that, comprising: heat-shrinkable T bush parent tube (1), ring connection terminal (2) and PUR ring (3);

Ring connection terminal (2) is outer to be set with heat-shrinkable T bush parent tube (1), and this ring connection terminal (2) is positioned at the Wiring area at heat-shrinkable T bush parent tube (1) middle part, and the Wiring area both sides at heat-shrinkable T bush base (1) middle part are seal area; Be respectively equipped with a PUR ring (3) in two seal areas.

2. water proof type cable coupling assembling according to claim 1 is characterized in that described ring connection terminal (2) is a solder ring.