CN208753958U - A kind of silica gel cold shrink tube and the cable channel using the cold shrink tube - Google Patents
A kind of silica gel cold shrink tube and the cable channel using the cold shrink tube Download PDFInfo
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- CN208753958U CN208753958U CN201821562785.1U CN201821562785U CN208753958U CN 208753958 U CN208753958 U CN 208753958U CN 201821562785 U CN201821562785 U CN 201821562785U CN 208753958 U CN208753958 U CN 208753958U
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- shrink tube
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Abstract
The utility model discloses a kind of silica gel cold shrink tube and using the cable channel of the cold shrink tube, it is related to cable protective component technology field, it is intended to solve the problems, such as existing shrinkage seal of tube poor waterproof properties.Its key points of the technical solution are that, including as supporting line body support tube and expansion and silicone tube being set on the outer wall of support tube made of, on the inner wall of the silicone tube and two sides that are located therein are provided with sealant layer along the circumferential direction of silicone tube, sealant layer is between support tube and silicone tube, and sealant layer is contacted with the outer wall of support tube and adhesion.By the way that two groups of sealant layers are arranged on the inner wall of silicone tube, achieve the effect that sealing waterproof performance can be effectively improved.
Description
Technical field
The utility model relates to cable protective component technology fields, more particularly, to a kind of silica gel cold shrink tube and use this cold
The cable channel of the draw.
Background technique
Cold shrink tube is usually used in the sealing and protection of cable connection joint, especially to outdoor exposed coaxial fitting.
Cold shrink tube includes core rope and pipe sleeve, and pipe sleeve is expanded in advance on the core rope that can be extracted out at one, wherein core rope is helical plastic item
The support tube of composition.During the installation process, cold shrink tube is sheathed on cable connector, one end of extraction core rope is by core rope by pipe sleeve
Interior extraction, pipe sleeve are coated at cable connector under the action of elastic restoring force, to seal and protect cable connector.
Existing Authorization Notice No. is that the Chinese patent of CN205791324U discloses a kind of EP rubbers of built-in silicone tube
The double-deck cold shrink tube comprising support tube, built-in layer of silica gel, EP rubbers main body tube；Support tube is surround by a supporting line body
It forms, support tube is columnar；The withdrawal cord or directly use branch that the inside of support tube is connected there are one with supporting line body
Support wire rod does withdrawal cord；Built-in layer of silica gel is set in the front end of support tube, and built-in layer of silica gel relies on its elastic recovery after expansion
Power extruding is attached to outside support tube；EP rubbers main body tube is set in except support tube and built-in layer of silica gel, EP rubbers main body
Pipe is attached to outside support tube and built-in layer of silica gel by the extruding of its elastic-restoring force after expansion；EP rubbers main body tube and built-in
Layer of silica gel is all support by support tube；Built-in layer of silica gel is between EP rubbers main body tube and support tube.
Prior art among the above has the following deficiencies: the material due to built-in layer of silica gel and EP rubbers main body pipe sleeve
Matter is different, is influenced by expanding with heat and contract with cold, when the temperature is changed, the deformation of two layers of pipe is also different, and above-mentioned cold shrink tube is used for cable
When the sealing of interface, cold shrink tube be easy due to temperature variation and cracking damage or at cable interface compactness decline, it is close
It is poor to seal waterproof performance.
Utility model content
The purpose of the utility model is to provide a kind of silica gel cold shrink tube and using the cable channel of the cold shrink tube, with energy
Enough effectively improve the effect of sealing waterproof performance.
The above-mentioned purpose of utility model one of the utility model has the technical scheme that
A kind of silica gel cold shrink tube, including as described in supporting line body support tube and expansion made of and being set in
Silicone tube on the outer wall of support tube, on the inner wall of the silicone tube and two sides that are located therein are set along the circumferential direction of silicone tube
It is equipped with sealant layer, the sealant layer is between support tube and silicone tube；The outer wall of the sealant layer and support tube connects
Touching and adhesion.
By using above-mentioned technical proposal, silica gel cold shrink tube is set on pipe fitting to be sealed, and is made on sealed pipe fittings
Connector is located between two sealant layers, then pulls supporting line body, pulls out out of silicone tube completely until by supporting line body
Afterwards, the supporting role that silica gel cold shrink tube loses supporting line body starts to bounce back, and wraps up pipe fitting to be sealed.Silica gel cold shrink tube is being returned
During contracting, it also will drive sealant layer and be wrapped on pipe fitting to be sealed.By the setting of two sealant layers, so that pipe fitting
On connector be located between two sealant layers, effectively increase the sealing waterproof performance of silica gel cold shrink tube.
The utility model is further arranged to: the sealant layer is non-constrictive type sealant mud layer.
By using above-mentioned technical proposal, non-constrictive type lute in can be in the long time even time of decades
It is interior to keep soft state, under the retraction elastic force effect of silicone tube the shape being bonded can be constantly in the outer wall of pipe fitting
State will not just lose sealing function due to the deformation of pipe fitting, further enhance the sealing waterproof performance of application scheme.
The utility model is further arranged to: having the first gap, two sealings between two sealant layers
The length in the first gap between glue-line is greater than 2cm.
By using above-mentioned technical proposal, the silicone tube positioned at the first gap location is enabled to bounce back to the outer wall with pipe fitting
Contact avoids lute in and moves towards and influence to seal waterproof performance.
The utility model is further arranged to: being all had between second between the sealant layer and corresponding silica gel tube end
The length of gap, the second gap between the sealant layer and corresponding silica gel tube end is all larger than 1cm.
By using above-mentioned technical proposal, after supporting line body is all pulled out, the silicone tube of two the second gap locations also can
It is bonded under the action of bouncing back elastic force with the outer wall of pipe fitting, so that the silicone tube with the first gap location cooperates two sealant layers
It tightens, increases the operation is stable of sealant layer, so that the sealing waterproof performance of silica gel cold shrink tube is more preferably.
The utility model is further arranged to: arc-shaped transition between the end of the silicone tube and the outer wall of silicone tube.
The utility model is further arranged to: being set on the inner wall of the silicone tube and between sealant layer and silicone tube
It is equipped with several and increases the salient point that rubs.
By using above-mentioned technical proposal, the inner wall adhesion of sealant layer and silicone tube is increased by increasing the setting for the salient point that rubs
The frictional force between sealant layer and silica gel inside pipe wall is added, silica gel cold shrink tube is in installation or in use, sealant layer is not easy partially
It moves, the job stability of sealant layer is further increased, so that the sealing waterproof action of the utility model is more stable.
The utility model is further arranged to: the increasing salient point that rubs is hemispherical.
By using above-mentioned technical proposal, the hemispherical contact area for increasing rub salient point and sealant layer is bigger, increases effect of rubbing
More preferably.
The above-mentioned purpose of utility model two of the utility model has the technical scheme that
A kind of cable channel using above-mentioned silica gel cold shrink tube is jumped including sheath shrinkable sleeve and across the cable of sheath shrinkable sleeve
It is arranged with the silica gel cold shrink tube jointly in rope, the sheath shrinkable sleeve and cable rope skipping；One of them of the silica gel cold shrink tube
Sealant layer is wrapped on the outer wall of sheath shrinkable sleeve, another sealant layer of the silica gel cold shrink tube is wrapped in cable rope skipping
On outer wall.
By using above-mentioned technical proposal, two sealant layers be wrapped in respectively sheath shrinkable sleeve outer wall and cable rope skipping
On outer wall, the position that water will not be stretched out sheath shrinkable sleeve by cable rope skipping is entered in sheath shrinkable sleeve, to effectively increase use
The sealing waterproof performance of the cable channel of above-mentioned silica gel cold shrink tube.
In conclusion the advantageous effects of the utility model are as follows:
1. passing through the setting of two sealant layers, achieve the effect that sealing waterproof performance can be effectively improved；
2. passing through the setting in the first gap and the second gap, the job stability of sealant layer is improved；
3. increasing by the setting for increasing the salient point that rubs and being connected and fixed effect between sealant layer and silica gel inside pipe wall.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment one；
Fig. 2 is the partial enlarged view of part A in Fig. 1；
Fig. 3 is in the utility model embodiment two for embodying under sheath shrinkable sleeve and cable rope skipping insertion support tube state
Structural schematic diagram；
Fig. 4 is in the utility model embodiment two for embodying structural representation when silicone tube is coated on sheath shrinkable sleeve
Figure；
Fig. 5 is when being coated in sheath shrinkable sleeve and cable rope skipping in the utility model embodiment two for embodying silicone tube
Structural schematic diagram.
In figure, 1, support tube；11, bracing wire end；2, silicone tube；21, sealant layer；22, increase the salient point that rubs；3, the first gap；
4, the second gap；5, sheath shrinkable sleeve；6, cable is skipped rope.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment one
It referring to Fig.1, is a kind of silica gel cold shrink tube disclosed by the utility model, including support tube 1 and silicone tube 2, support tube 1
By a supporting line body around forming, silicone tube 2 is expanded and is set on the outer wall of support tube 1.On the inner wall of silicone tube 2 and position
Two sides in the middle part of it are provided with sealant layer 21, and two sealant layers 21 along the circumferential setting of silicone tube 2 and are respectively positioned on
Between support tube 1 and silicone tube 2.Sealant layer 21 can be waterproof sponge layer, sealant mud layer etc., it is preferred that the present embodiment
In sealant layer 21 select non-constrictive type sealant mud layer (such as silicone rubber seal mud).It should be noted that sealant layer
21 contact and adhesion with the outer wall of support tube 1.
Referring to Fig.1, there is the first gap 3, the first gap 3 between two sealant layers 21 between two sealant layers 21
Length be greater than 2cm.In the present embodiment, the length in the first gap 3 is 3cm.Sealant layer 21 and corresponding 2 end of silicone tube
Between all have the second gap 4, the length in the second gap 4 between sealant layer 21 and corresponding 2 end of silicone tube is all larger than
1cm.In the present embodiment, the length in the second gap 4 is 1.5cm.
Referring to Figures 1 and 2, arc-shaped transition between the end of silicone tube 2 and the outer wall of silicone tube 2, the i.e. end of silicone tube 2
Portion is provided with chamfering.It is provided with several on the inner wall of silicone tube 2 and between sealant layer 21 and silicone tube 2 and increases the salient point that rubs
22, it is hemispherical to increase the salient point 22 that rubs.
The implementation principle of the present embodiment are as follows:
In use, silica gel cold shrink tube is set on pipe fitting to be sealed first, and it is located at the junction on sealed pipe fittings
Between two sealant layers 21.Then the bracing wire end 11 for pullling supporting line body, until drawing supporting line body out of silicone tube 2 completely
After out, the supporting role that silica gel cold shrink tube loses supporting line body starts to bounce back, and wraps up pipe fitting to be sealed.Silica gel cold shrink tube exists
During retraction, it also will drive sealant layer 21 and be wrapped on pipe fitting to be sealed.By the setting of two sealant layers 21, have
Effect improves the sealing waterproof performance of silica gel cold shrink tube.
Embodiment two
It is a kind of cable channel using silica gel cold shrink tube in embodiment one disclosed by the utility model, packet referring to Fig. 3
Include sheath shrinkable sleeve 5 and the cable rope skipping 6 across sheath shrinkable sleeve 5.It is cold that it is arranged with silica gel jointly on sheath shrinkable sleeve 5 and cable rope skipping 6
The draw, i.e. sheath shrinkable sleeve 5 and cable rope skipping 6 both passes through support tube 1, and the position that cable rope skipping 6 is pierced by sheath shrinkable sleeve 5 is in first
At gap 3.
Referring to Fig. 4, the bracing wire end 11 of support tube 1 is pullled, when the length of support tube 1 being made to become original half, silica gel is cold
The draw is wrapped on the outer wall of sheath shrinkable sleeve 5 close to the sealant layer 21 of sheath shrinkable sleeve 5, with the sealant layer 21 corresponding second
Silicone tube 2 at gap 4 is also wrapped on the outer wall of sheath shrinkable sleeve 5.
Referring to Fig. 4 and Fig. 5, continue the bracing wire end 11 for pullling support tube 1, when drawing supporting line body out of silicone tube 2 completely
After out, another sealant layer 21 of silica gel cold shrink tube can be wrapped on the outer wall of cable rope skipping 6, corresponding with the sealant layer 21
The second gap 4 at silicone tube 2 can also be wrapped in cable rope skipping 6 outer wall on.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of silica gel cold shrink tube, including as supporting line body support tube (1) made of and expansion and it is set in institute
State the silicone tube (2) on the outer wall of support tube (1), it is characterised in that: on the inner wall of the silicone tube (2) and be located therein
Two sides are provided with sealant layer (21) along the circumferential direction of silicone tube (2), and the sealant layer (21) is located at support tube (1) and silica gel
It manages between (2)；The sealant layer (21) contacts with the outer wall of support tube (1) and adhesion.
2. silica gel cold shrink tube according to claim 1, it is characterised in that: the sealant layer (21) is the sealing of non-constrictive type
Clay layer.
3. silica gel cold shrink tube according to claim 2, it is characterised in that: have the between two sealant layers (21)
The length in one gap (3), the first gap (3) between two sealant layers (21) is greater than 2cm.
4. silica gel cold shrink tube according to claim 3, it is characterised in that: the sealant layer (21) and corresponding silicone tube
(2) it is all had between end the second gap (4), second between the sealant layer (21) and corresponding silicone tube (2) end
The length in gap (4) is all larger than 1cm.
5. silica gel cold shrink tube according to claim 4, it is characterised in that: the end and silicone tube (2) of the silicone tube (2)
Outer wall between arc-shaped transition.
6. silica gel cold shrink tube according to claim 5, it is characterised in that: on the inner wall of the silicone tube (2) and be located at close
It is provided with several increasings between adhesive layer (21) and silicone tube (2) and rubs salient point (22).
7. silica gel cold shrink tube according to claim 6, it is characterised in that: the increasing salient point (22) that rubs is hemispherical.
8. a kind of cable channel, silica gel cold shrink tube as claimed in claim 7 is used, including sheath shrinkable sleeve (5) and pass through pyrocondensation
The cable of sheath (5) is skipped rope (6), it is characterised in that: is arranged with jointly on the sheath shrinkable sleeve (5) and cable rope skipping (6) described
Silica gel cold shrink tube；One of sealant layer (21) of the silica gel cold shrink tube is wrapped on the outer wall of sheath shrinkable sleeve (5), described
Another sealant layer (21) of silica gel cold shrink tube is wrapped on the outer wall of cable rope skipping (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821562785.1U CN208753958U (en) | 2018-09-25 | 2018-09-25 | A kind of silica gel cold shrink tube and the cable channel using the cold shrink tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821562785.1U CN208753958U (en) | 2018-09-25 | 2018-09-25 | A kind of silica gel cold shrink tube and the cable channel using the cold shrink tube |
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| Publication Number | Publication Date |
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| CN208753958U true CN208753958U (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821562785.1U Active CN208753958U (en) | 2018-09-25 | 2018-09-25 | A kind of silica gel cold shrink tube and the cable channel using the cold shrink tube |
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| CN (1) | CN208753958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401167A (en) * | 2019-07-26 | 2019-11-01 | 杭州三创有机硅有限公司 | Cable connector docks cold shrink tube and shrinkage interconnection method |
-
2018
- 2018-09-25 CN CN201821562785.1U patent/CN208753958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401167A (en) * | 2019-07-26 | 2019-11-01 | 杭州三创有机硅有限公司 | Cable connector docks cold shrink tube and shrinkage interconnection method |
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