A kind of supporting structure and the using method being applied to shrinkage fingerstall thereof
Technical field
The present invention relates to a kind of supporting structure and be applied to the using method of shrinkage fingerstall.
Background technology
The supporting structure that current shrinkage fingerstall uses mostly is the plastic tube that helical plastic bar is welded.By towards opening
The mode of direction extraction plastic strip removes plastic tube makes cable accessory shrink.And in some special mounting locations, often go out
The operable limited length of existing cable or the situation of the operable limited space of cable periphery, this result in do not have enough can
Operating space extracts support bar out, brings very big difficulty to the installation of cable accessory.
Content of the invention
Present invention aims to drawbacks described above, provide a kind of support that can use in less installing space to tie
Component.
For achieving the above object, the present invention provides a kind of supporting structure, for the support of shrinkage fingerstall, supporting structure
Including cross section is two hard structure bulk-breakings of arc-shaped, described two hard structure bulk-breakings are by the corresponding nested encryptions shape of lateral edges
Become cylindrical shape.
Preferably, the lateral edges of described two hard structure bulk-breakings is respectively equipped with groove, forms double wedge between adjacent grooves, its
The groove of the lateral edges of one hard structure bulk-breaking, double wedge connect with the double wedge of another hard structure bulk-breaking, groove corresponding nesting respectively
Connect.
Preferably, two hard structure bulk-breaking sizes of described supporting structure are identical.
Preferably, described supporting structure is rigid plastics part.
Preferably, the outside diameter of cylinder of two hard structure bulk-breaking one end of described formation supporting structure is more than the circle of the other end
Cylinder external diameter.
Preferably, the bigger one end of the outside diameter of cylinder of two hard structure bulk-breakings of described formation supporting structure is formed convex
Platform, this boss surface is provided with screwed hole.
The present invention also provides above-mentioned supporting structure to be applied to the using method of shrinkage fingerstall, and the shrinkage of its application refers to
Set one end is big opening end, and the other end has some osculum ends, and its using method is as follows:First, shrinkage fingerstall expanded and use
Support structure part supports the big opening end of shrinkage fingerstall, supports the osculum end of shrinkage fingerstall with support bar, is placed into electricity at shrinkage fingerstall
After position specified by cable, first extract osculum end support bar out, choose arbitrary hard structure bulk-breaking at the big opening end of shrinkage fingerstall, radially
This hard structure bulk-breaking of pinching makes it be slightly distorted inside, uses external force release hard structure bulk-breaking and take out simultaneously, in like manner connects
Release additionally one side hard structure bulk-breaking and take out.
Preferably, before the expansion of shrinkage fingerstall, in advance shrinkage fingerstall big opening end is turned down certain distance from inside to outside.
Preferably, when turning down before the expansion of shrinkage fingerstall, two shrinkage fingerstall contact surfaces are smeared equably
Talcum powder.
Preferably, outside diameter of cylinder one end of two hard structure bulk-breakings of described formation supporting structure is relatively big and bigger at this
End is formed with boss, and this boss surface is provided with screwed hole, chooses the arbitrary hard structure bulk-breaking at the big opening end of shrinkage fingerstall, footpath
Make it be slightly distorted to this hard structure bulk-breaking of pinching inside, use boosting-rod to coordinate simultaneously and engage hole release hard structure bulk-breaking
And take out, in like manner then release other hard structure bulk-breaking and take out.
Preferably, described shrinkage fingerstall is when expansion supports, and places in one and cavity at supporting structure internal cavities
The equal support bar welded tube in footpath, is caused supporting structure wrong by the fabricated structure of enclasping force and structural member during to prevent from supporting
Position and instability, remove before shrinkage fingerstall is installed.
As described above, supporting structure of the present invention includes the two hard structure bulk-breakings that cross section is arc-shaped, two hard knots
Structure bulk-breaking forms cylindrical shape by the corresponding nested encryptions of lateral edges, is being applied to shrinkage fingerstall and the big opening end from shrinkage fingerstall takes
When going out, make it be slightly distorted by a radial direction pinching wherein hard structure bulk-breaking inside, use external force to release hard structure simultaneously
Bulk-breaking simultaneously takes out, and in like manner then releases other hard structure bulk-breaking and takes out, needing enough operable spaces with tradition
Extract helical plastic support bar out to compare, need less taking-up space, can adapt to the limited operable space of cable or cable
The environment of the tight working spaces of periphery.
Brief description
Fig. 1 is the perspective view before supporting structure of the present invention assembles;
Fig. 2 is the perspective view after supporting structure shown in Fig. 1 assembles;
Fig. 3 is the front view before the expansion of shrinkage fingerstall supports;
Fig. 4 be shrinkage fingerstall be assembled on cable and supporting structure remove before front view;
Fig. 5 is the front view after shrinkage fingerstall is assembled on cable and removes supporting structure.
Detailed description of the invention
By describing technology contents, the structural feature of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment
And coordinate accompanying drawing to be explained in detail.
Referring to Fig. 1 and Fig. 2, supporting structure of the present invention is for the support of shrinkage fingerstall, including cross section is arc-shaped
Two hard structure bulk-breakings 10, two hard structure bulk-breakings 10 form cylindrical shape by the corresponding nested encryptions of lateral edges.
In the present embodiment, the lateral edges of two hard structure bulk-breakings 10 is respectively equipped with groove 11, shape between adjacent grooves 11
Becoming double wedge 12, the double wedge of the groove of the lateral edges of one hard structure bulk-breaking 10 the 11st, double wedge 12 and another hard structure bulk-breaking is the 12nd,
Groove 11 corresponding nested encryptions respectively.
Preferably, two hard structure bulk-breaking 10 sizes of supporting structure are identical, and certainly, two hard structure bulk-breakings 10 also may be used
With small one and large one, as long as hard structure bulk-breaking 10 can form cylindrical shape by nested encryptions two-by-two.
Preferably, described supporting structure is rigid plastics part.
Preferably, the outside diameter of cylinder of two hard structure bulk-breaking 10 one end of described formation supporting structure is more than the other end
Outside diameter of cylinder.When being applied to shrinkage fingerstall, two hard structure bulk-breakings 10 are assembled into the less one end of outside diameter of cylinder from it and support
Enter the big opening end of shrinkage fingerstall.
Refer to Fig. 3, Fig. 4 and Fig. 5, when supporting structure of the present invention is applied to the installation of shrinkage fingerstall, shrinkage fingerstall 20
One end is big opening end 21, and the other end has some osculum ends 22, and the using method of supporting structure is as follows:First, shrinkage is referred to
Set 20 expansion the big opening end 21 supporting shrinkage fingerstall 20 with supporting structure, support the osculum end of shrinkage fingerstall 20 with support bar
22, it is placed into after cable 50 specifies position at shrinkage fingerstall 20, first extract osculum end support bar out, choose the big of shrinkage fingerstall 20
Arbitrary hard structure bulk-breaking 10 at mouth end 21, radially this hard structure bulk-breaking 10 of pinching makes it be slightly distorted inside, uses simultaneously
External force is released hard structure bulk-breaking 10 and takes out, and in like manner then releases other hard structure bulk-breaking 10 and takes out.
Preferably, in advance the big opening end 21 of shrinkage fingerstall 20 was turned down from inside to outside necessarily before shrinkage fingerstall 20 expansion
Distance, for example, turn down at P line.
Preferably, when turning down before shrinkage fingerstall 20 expansion, on two shrinkage fingerstall 20 contact surfaces equably
Smear talcum powder.
As further improvement of this embodiment, form the outside diameter of cylinder of two hard structure bulk-breakings 10 of supporting structure relatively
Big one end is formed with boss 13, and this boss 13 surface is provided with joint hole 131, and engaging hole 131 can be screwed hole.Choose shrinkage
Arbitrary one side of something of big opening end 21 supporting structure of fingerstall 20, radially a pinching wherein hard structure bulk-breaking 10 makes it somewhat inside
Deformation, uses boosting-rod 40 to coordinate simultaneously and engages hole release hard structure bulk-breaking 10 and take out, and in like manner then releases additionally
Hard structure bulk-breaking 10 simultaneously takes out.
As further improvement of this embodiment, shrinkage fingerstall, when expansion supports, is put at supporting structure internal cavities
Put a support bar equal with cavity inside diameter, caused by the fabricated structure of enclasping force and structural member during to prevent from supporting and prop up
The dislocation of support structure part and instability, remove before shrinkage fingerstall is installed.
In sum, supporting structure of the present invention includes the two hard structure bulk-breakings 10 that cross section is arc-shaped, two hard
Structure bulk-breaking 10 forms cylindrical shape by the corresponding nested encryptions of lateral edges, is being applied to shrinkage fingerstall 20 and from shrinkage fingerstall 20
When big opening end 21 takes out, make it be slightly distorted by a radial direction pinching wherein hard structure bulk-breaking 10 inside, use external force simultaneously
Release hard structure bulk-breaking 20 and take out, in like manner then release other hard structure bulk-breaking 10 and take out, needing with tradition
Enough operable spaces are extracted helical plastic support bar out and are compared, and need less taking-up space, and can adapt to that cable is limited can
The environment of the tight working spaces of operating space or cable periphery.
The invention is not limited in above-mentioned detailed description of the invention, those skilled in the art also can make multiple accordingly
Change, but any be equal to the present invention or similar change all should be covered within the scope of the claims.