The better shrinkage apparatus of a kind of effect of fittingTechnical field
The present invention relates to heat-shrinkable product field, particularly, relate to the better shrinkage apparatus of a kind of effect of fitting.
Background technology
Heat-shrinkable product due to have good fire resistance, insulating properties, very soft flexible, shrinkage temperature is low, sealing corrosion proof protection, the protection of antenna etc. of insulation protection, metal bar or the tubing of the fast connection that is widely used in electric wire of contraction, wire end processing, solder joint protection, wire harness mark, resistance capacitance. Under high-energy ray effect, linear polymeric material forms three-dimensional netted cross-linked structure. Macromolecular material after crosslinked obtains and greatly improves at mechanical strength, heatproof, chemically-resistant solvent, the aspect such as ageing-resistant, and particularly acid and alkali resistance performance is greatly improved.
But commercially available thermal shrinkable sleeve at present, be generally the cylindrical-shaped structure of hollow, be applicable to straight tube class formation, when it is during for being tightly connected of pipe bent position, bend pipe inner side place is easy to fold, laminating effect is poor, thereby more air is hung out between thermal shrinkable sleeve and tube wall and is not easy to be discharged from, and affects the sealing corrosion effect of this pipe bent position.
Summary of the invention
Technical problem to be solved by this invention is to provide the better shrinkage apparatus of a kind of effect of fitting, and ensures the sealing corrosion effect of pipe bent position, and has good exhaust effect.
The present invention addresses the above problem adopted technical scheme:
The better shrinkage apparatus of a kind of effect of fitting, comprise sleeve body and be fixed on the movable part on described sleeve body sidewall, described sleeve body is that material contracting with heat makes, on the sidewall of described sleeve body, offer a mating holes, described mating holes is corresponding with the inner side of bend pipe, described movable part is pyrocondensation belt, and in one end of described movable part and described sleeve body, the position of contiguous described mating holes is fixedly connected, described movable part comprises the lap segment that is covered in the overlay segment on described mating holes and is fixed in described overlay segment surrounding, described lap segment contacts with described mating holes sleeve body around, described lap segment is fixedly connected by stator and described sleeve body, in described sleeve body, also offer some steam vents, one end of described steam vent is connected with described mating holes, the other end extends to one end end face of the contiguous described movable part of described sleeve body, one side inwall of the contiguous described movable part of described steam vent is provided with hot melt adhesive layer.
As without particularly pointing out, of the present inventionly somely all refer to two or more.
Further, described mating holes is square or circular.
Further, the shape of described movable part and the shape of described mating holes are consistent.
To sum up, the invention has the beneficial effects as follows: shrinkage apparatus of the present invention, better with the laminating effect of pipe bent position, can effectively avoid common commercially available heat-shrink tube due to the phenomenon generation that is easy to bend pipe inner side and produces fold and then affect the sealing corrosion effect of pipe bent position, and there is good exhaust effect.
Brief description of the drawings
Fig. 1 is the schematic diagram of the shrinkage apparatus shown in preferred embodiment of the present invention while being placed on pipe bent position;
Fig. 2 is the structural representation of the shrinkage apparatus shown in preferred embodiment of the present invention;
Fig. 3 is the cutaway view of Fig. 2;
Mark and corresponding parts title in accompanying drawing: bend pipe 1, shrinkage apparatus 100, sleeve body 10, movable part 20, mating holes 11, overlay segment 21, lap segment 22, steam vent 12, hot melt adhesive layer 13.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
Refer to Fig. 1-3, the shrinkage apparatus 100 shown in preferred embodiment of the present invention, comprises sleeve body 10 and is fixed on the movable part 20 on described sleeve body 10 sidewalls.
Described sleeve body 10 makes for material contracting with heat. On the sidewall of described sleeve body 10, offer a mating holes 11, described mating holes 11 is corresponding with the inner side of bend pipe 1. In the present embodiment, described mating holes 11 can be square or circular.
Described movable part 20 is pyrocondensation belt, and in one end of described movable part 20 and described sleeve body 10, the position of contiguous described mating holes 11 is fixedly connected. The shape of described movable part 20 matches with the shape of described mating holes 11, can be covered in described mating holes 11 outsides. In the present embodiment, the shape of described movable part 20 is consistent with the shape of described mating holes 11. Described movable part 20 comprises the lap segment 22 that is covered in the overlay segment 21 on described mating holes 11 and is fixed in described overlay segment 21 surroundings, described lap segment 22 contacts with described mating holes 11 sleeve body 10 around, and described lap segment 22 is fixedly connected by stator (not shown) and contiguous sleeve body 10.
Consider that the mating holes 11 of offering in described sleeve body 10 takes up space larger, for ease of the discharge of the air in this space, ensure the sealing effectiveness of shrinkage apparatus 100, in described sleeve body 10, also offer some steam vents 12, one end of described steam vent 12 is connected with described mating holes 11, and the other end extends to one end end face of described sleeve body 10 contiguous described movable parts 20. One side inwall of described steam vent 12 contiguous described movable parts 20 is provided with hot melt adhesive layer 13. In the process of this shrinkage apparatus 100 of heating, gas in described mating holes 11 can be discharged by this steam vent 12, and hot melt adhesive layer 13 can fill up rapidly described steam vent 13 after melted by heat, so, large quantity of air can be discharged, the sealing corrosion effect of this shrinkage apparatus 100 can be ensured again.
To sum up, shrinkage apparatus 100 of the present invention, in the time of sealed elbow 1, is placed on bend pipe 1 place by described sleeve body 10, and now, described movable part 20 is open mode with respect to described sleeve body 10, by corresponding with the inner side of bend pipe 1 described mating holes 11. Described movable part 20 is covered to described mating holes 11 completely, and with stator by fixing described movable part 20, because this movable part 20 is laminated structure, can well be coated on outside bend pipe 1, so, just can effectively avoid common commercially available heat-shrink tube due to the phenomenon generation that is easy to bend pipe 1 inner side and produces fold and then affect the sealing corrosion effect of pipe bent position. Utilize again the special construction of this steam vent 12, be convenient to discharge air, ensure sealing corrosion effect.
As mentioned above, can realize preferably the present invention.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction; according to technical spirit of the present invention; within the spirit and principles in the present invention; any simple amendment that above embodiment is done, be equal to and replace and improve etc., within all still belonging to the protection domain of technical solution of the present invention.