CN2328119Y

CN2328119Y - Sealing structure of cable connection arrangement

Info

Publication number: CN2328119Y
Application number: CN 97234429
Authority: CN
Inventors: 汤毅军; 王勤奎; 施伯年
Original assignee: SHANGHAI TELEPHONE LINE EQUIPMENT GENERAL FACTORY
Current assignee: SHANGHAI TELEPHONE LINE EQUIPMENT GENERAL FACTORY
Priority date: 1997-04-29
Filing date: 1997-04-29
Publication date: 1999-07-07
Anticipated expiration: 2007-04-29

Abstract

The utility model relates to a sealing structure of a cable connection arrangement, composed of an elastic sealing element (1) whose profile is matched with a port of the facility but dimension is larger. The utility model is provided with one or more through holes (2) for positioning cables, or the through holes (2) are replaced by a multilayer cycle structure composed of a sequentially connected central layer (4) and a plurality of layer cycle (5). A kerf (3) penetrating the whole sealing element (1) is arranged from the edge of the profile of the sealing element (1) to the side of the through holes (2) or the circumference of the central layer (4). The utility model is suitable for cables of various specifications to be connected, connected in parallel and tapped, achieving the effective sealing effect at the port of the cable connecting arrangement.

Description

The hermetically-sealed construction of cable splice facility

The utility model relates to a kind of sealing device that is used to protect cable or fiber cable joint, and relates more specifically to a kind of hermetically-sealed construction of cable splice facility.

For example cable-joint protector box is a kind of common cable splice facility, the self-adhesive tape that the seal approach of its two ends box mouth is used rubber cement always or is made up of semi-cure rubber in background technology, the position suitable in cable holds in advance, be put in it in the box again and cover lid and fixedly form, but its hold material when very few sealing effectiveness bad, otherwise hold material when too much then described material may be squeezed in the slit of box and can not seal, rubber cement or self-adhesive tape just can not utilize once more once solidifying simultaneously.In background technology, also have earlier with the resin pouring, after overlap heat-shrinkable T bush again method sealed, but it is disposable, the sleeve pipe of the resin after the curing and the aftercrimp that is heated all is non-removable, the not only time-consuming but also material of taking a lot of work, extremely inconvenient and economical, sealing effectiveness is also unsatisfactory.

The purpose of this utility model be encapsulant that designing institute uses can with cable and box body between can both closely combine the hermetically-sealed construction of no seepage and no leakage and repeatedly used a kind of cable splice facility.

The utility model is realized by following design: utilize the seal that is made of elastomeric material to have deformability and restoration characteristics, earlier the port that the profile of seal is made with the cable splice facility matches, but its overall dimension should be slightly larger than the inner cavity size of described facility port; In addition in the centre of seal the through hole that cable is laid in one or more confessions is set, the size in hole can be that equate or unequal, is even to use by multilayer to differ in size but interconnective cyclic structure comes instead through-holes; Outline edge from seal, radial direction along each through hole or multilayer cyclic structure, end at circumference place until the central core of the limit, hole of through hole or multilayer cyclic structure, and each cuts the hermetically-sealed construction that an otch that connects whole seal constitutes cable splice facility described in the utility model.

Effect of the present utility model is tangible, because the port of described seal profile and cable splice facility matches, but size then is slightly larger than the inner cavity size of described facility port, and the through hole that cable is laid in one or more confessions is set in the centre of seal, in view of seal is made of the rubber-like material, therefore after cable being passed the through hole on the seal and putting into the port of cable splice facility, seal just produces deformation when pressurized, thereby the port position of the outward flange of described seal and cable splice facility is close to, its endoporus pressurized then is close on the cable, has realized after cable has interted the cable splice facility and with the predetermined purpose of the port sealing of described facility.When differing in size but after interconnective cyclic structure substitutes the through hole of laying cable with multilayer, then seal only need divest according to circumstances respectively central core in the multilayer cyclic structure or several one by one successively with skin that central core links to each other after, the utility model is promptly applicable to the cable of different size, for example the continuing mutually between the cable from 5 pairs to 600 pairs; When the seal with different number through holes is put in the punishment of the port at cable splice facility two ends, the utility model again applicable to the butt joint between different radical cables or and connect or tap, can be widely applicable for various occasion.In case outline edge from seal, radial direction along each through hole or multilayer cyclic structure, end at circumference place until the central core of the limit, hole of through hole or multilayer cyclic structure, after each cuts the otch of a whole seal of perforation, not only be convenient to peeling off between each layer circle in the multilayer cyclic structure, more can easily seal described in the utility model be placed in any position of cable, do not need earlier the head of cable to be penetrated in the through hole of seal, and then seal moved to position required on the cable, reduced unnecessary trouble.In a word, effect of the present utility model is very obviously with effective.

Described in embodiment of the present utility model below in conjunction with accompanying drawing, thereby make CONSTRUCTED SPECIFICATION of the present utility model, characteristics, purpose and advantage clearer and more definite.

Fig. 1 is the front view of seal in the present embodiment.

Fig. 2 is the front view with two multilayer cyclic structure seals.

Fig. 3 is the front view with three multilayer cyclic structure seals.

Fig. 4 is that figure is seen on the left side of Fig. 3.

Among the figure: 1-seal 2-through hole 3-otch 4-central core 5-layer circle.

The structure of the utility model embodiment now is described in conjunction with the accompanying drawings:

As shown in Figure 1, the hermetically-sealed construction of the described a kind of cable splice facility of present embodiment is the hermetically-sealed construction that is used for common cable splice box box mouth, it is made up of the seal that elastomeric material constitutes, the profile of described seal 1 and described cable splice box box mouth match, but its overall dimension is slightly larger than the inner cavity size of cable splice box box mouth, being provided with one or morely in the middle of seal 1, is the through hole 2 that cable is laid in three confessions in the present embodiment diagram.Can select the through hole 2 of specification corresponding according to the specification of cable different pairs, earlier described cable end be passed described through hole 2, treat again seal 1 to be positioned in the breach of cable splice box box mouth behind the cable splice, cover lid and fastening good getting final product with it.At this moment, seal 1 pressurized and produce deformation, its outward flange and cable splice box box oral area position are close to, and its endoporus pressurized then is close on the cable, thereby has realized that cable splice box box mouth reaches the predetermined purpose of sealing.

For adapt between the different pairs cable butt joint or and connect or tap for the purpose of, a plurality of through holes 2 on described seal 1 can be equal-sized as shown in Figure 2, perhaps differ in size as shown in Figure 1.

For each through hole can be adapted to for the purpose of the multiple cable specification more, shown in accompanying

drawing

2,3 as described in through hole 2 can be with substituting by connecting unseparated central core 4 and a plurality of layers of circle 5 multilayer cyclic structure of being formed of comprising mutually successively.At this moment, each through hole 2 goes for the cable specification that minimum is equivalent to central core 4 external diameters, and maximum allowablely enclose the cable specification shown in 5 external diameters from level to level in being equivalent to outermost, only need suitably divest in this cable specification between the two behind the layer circle 5 of suitable number all applicable, thereby make range of application of the present utility model more extensive.

For the purpose of using the utility model more easily, as described in can being shown in as 1,2,3 in accompanying drawing on the seal 1, outline edge from seal 1, radial direction along each through hole 2 or multilayer cyclic structure, end until the limit, hole of through hole 2 or the circumference place of central core 4, each cuts an otch 3 that connects whole seal 1.Separate that seal 1 can make things convenient for and optionally divest the central core that do not need 4 and several layers circle 5 this moment from otch 3, just can obtain the through hole 2 of a suitable specification, and can directly be enclosed within whole seal 1 suitable position of cable easily from otch 3, do not need to carry out again the interspersed work of trouble, make use the utility model convenient as one wishes.

Claims

1. the hermetically-sealed construction of a cable splice facility, formed by the seal that elastomeric material constitutes, it is characterized in that: the profile of described seal [1] and the port of described facility match, but its overall dimension is slightly larger than the inner cavity size of facility port, is provided with one or more confessions and lays the through hole of cable [2] in the middle of seal [1].

2. by the hermetically-sealed construction of the described cable splice facility of claim 1, it is characterized in that: the size of described a plurality of through holes [2] equates or does not wait.

3. press the hermetically-sealed construction of claim 1,2 described cable splice facilities, it is characterized in that: locate available multilayer cyclic structure at described through hole [2] and substitute, described multilayer cyclic structure connects unseparated central core [4] and a plurality of layers of circle [5] are formed mutually successively by comprising.

4. press the hermetically-sealed construction of the described cable splice facility of claim 3, it is characterized in that: on described seal [1], outline edge from seal [1], radial direction along each through hole [2] or multilayer cyclic structure, end until the limit, hole of through hole [2] or the circumference place of central core [4], each cuts an otch [3] that connects whole seal [1].