CN205226661U - Novel vent hose - Google Patents
Novel vent hose Download PDFInfo
- Publication number
- CN205226661U CN205226661U CN201520884523.7U CN201520884523U CN205226661U CN 205226661 U CN205226661 U CN 205226661U CN 201520884523 U CN201520884523 U CN 201520884523U CN 205226661 U CN205226661 U CN 205226661U
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- China
- Prior art keywords
- steel wire
- flexible pipe
- elastic helix
- novel ventilated
- fixed bed
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Abstract
The utility model discloses a novel vent hose, it is equipped with elasticity spiral steel wire including the body, fixed bed, heat preservation and the external coating that set gradually between body and the fixed bed, and the winding of elasticity spiral steel wire is in the periphery of body, and the heat preservation covers the periphery at the fixed bed, and external coating covers the periphery at the heat preservation, and elasticity spiral steel wire is fixed with the fixed part of fixing respectively with body and fixed bed, the utility model discloses can effectually increase the area of contact of elasticity spiral steel wire and body and fixed bed to increaseed the constant intensity of elasticity spiral steel wire with body and fixed bed, improved the utility model discloses an intensity.
Description
Technical field
The utility model relates to the pipeline of air-conditioning and ventilation system, more relates to a kind of novel ventilated flexible pipe.
Background technique
Along with the universal and application of flexible thermal insulation air pipe in worldwide, a lot of defects of existing flexible thermal insulation air pipe also reveal.
In prior art, thermal insulation wind pipe places spiral wire usually in airduct, but spiral wire, easily at body superior displacement, causes body intensity to reduce.
In view of this; publication number is disclose the novel ventilated flexible pipe of a kind of two-sided aluminium case composite glass fiber cloth in the patent document (documents 1) of CN2534450Y; it comprises the external protection that distributes successively, thermal insulation layer, glass fiber cloth fixed bed, elastic helix steel wire and inner protective layer composition; and inside and outside protective layer shortens one in port position; wherein; elastic helix steel wire winding is between inner protective layer and thermal insulation layer, and elastic helix fixation with steel wire is in glass fiber cloth fixed bed.
In product disclosed in documents 1, this elastic helix steel wire is mainly used in the intensity improving novel ventilated flexible pipe, and documents 1 utilizes bonding mode or utilizes artificial sewing sewing to be fixed on fire-resistant tarpaulin.But, because elastic helix steel wire is rod-like structure, cause the area of contact of the outer surface of spiral wire and glass fiber cloth fixed bed too small, make the constant intensity of glass fiber cloth fixed bed unstable, after the novel ventilated flexible pipe of two-sided aluminium case composite glass fiber cloth provided in long-time use documents 1, elastic helix steel wire can be caused still to produce with the novel ventilated flexible pipe of two-sided aluminium case composite glass fiber cloth be shifted, thus reduce the intensity of body.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of novel ventilated flexible pipe that can effectively prevent elastic helix steel wire to be shifted.
For achieving the above object, the utility model provides following technological scheme:
A kind of novel ventilated flexible pipe; it comprises the body, fixed bed, thermal insulation layer and the external protection that set gradually; elastic helix steel wire is provided with between described body and fixed bed; described elastic helix steel wire winding is in the periphery of body; described thermal insulation layer covers the periphery of fixed bed; described external protection covers the periphery of thermal insulation layer, and described elastic helix fixation with steel wire has the fixing part fixed respectively with body and fixed bed.
Be set to further: described fixing part and elastic helix steel wire are integrated setting.
Be set to further: described fixing part comprises some fixing group, described fixing group comprises main fixing group, described master fixes the periphery that group is fixed on elastic helix steel wire, and described master fixes group comprises some separate main fixed blocks, described main fixed block is greater than the width of spring spiral wire along himself axis along the width of the axial direction of elastic helix steel wire, adaptive towards the inwall of body in the another side of described main fixed block relative resilient spiral wire and fixed bed.
Be set to further: described master fixes the central axial direction linearly arrangement of the main fixed block in group along elastic helix steel wire.
Be set to further: described fixing part comprises some fixing group, described fixing group comprises main fixing group, described master fixes the periphery that group is fixed on elastic helix steel wire, and described master fixes group comprises some separate main fixed blocks, described main fixed block is greater than the diameter of spring spiral wire along the width of the axial direction of elastic helix steel wire, fits in the another side of described main fixed block relative resilient spiral wire and fixed bed towards the inwall of body.
Be set to further: described pair fixes the central axial direction linearly arrangement of the secondary fixed block in group along elastic helix steel wire.
Be set to further: described fixed bed is made up of glass fiber cloth.
Be set to further: described external protection is worked out by the glass fibre fire line with silica-gel coating.
Be set to further: described inboard wall of tube body is pasted with inner protective layer.
Be set to further: described inner protective layer is made up of the glass fibre flameproof textile with silica-gel coating.
Pass through technique scheme, the fixing part of the periphery integral type setting of elastic helix steel wire adds the area of contact of elastic helix steel wire and body and fixed bed, the constant intensity of elastic helix steel wire and body and fixed bed can be increased whereby, avoid the displacement of elastic helix steel wire, ensure that the intensity of novel ventilated flexible pipe.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model preferred embodiment;
Fig. 2 is the sectional view in A-A face in Fig. 1;
Fig. 3 is the enlarged view in B portion in Fig. 2.
In figure: 1, external protection; 2, thermal insulation layer; 3, fixed bed; 4, main fixed block; 5, elastic helix steel wire; 6, secondary fixed block; 7, body; 8, inner protective layer.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, these embodiments should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the application's claims limited range.
Shown in composition graphs 1; the novel ventilated flexible pipe mentioned in the present embodiment has multi-layer structure; shown in composition graphs 2 and Fig. 3, this novel ventilated flexible pipe is inwardly provided with external protection 1, thermal insulation layer 2, fixed bed 3, elastic helix steel wire 5 and body 7 successively from the periphery of himself, wherein; body 7 can select soft material to make; such as fire-resistant tarpaulin also can be glass fibre flameproof textile, in addition; in the present embodiment, body 7 is cylindrically arranged.
Shown in composition graphs 2 and Fig. 3, the outer wall of body 7 is wound with elastic helix steel wire 5, and the periphery of elastic helix steel wire 5 also includes fixed bed 3, and, fixed bed 3 and external protection 1 shorten one in port position, and by aluminium alloy plate and port position pressing, secure the position of fixed bed 3 like this, effectively can improve the intensity of this novel ventilated flexible pipe, in addition, fixed bed 3 can select glass fiber cloth to make, wherein, the periphery of elastic helix steel wire 5 is provided with some fixing group, these fixing groups are arranged with elastic helix steel wire 5 integral type, fixing group contacts with fixed bed 3 with body 7, and in the present embodiment, the periphery of this elastic helix steel wire 5 is provided with main fixing group and pair fixes group
.
Wherein, secondary fixing group comprises some secondary fixed blocks 6, the width of the axial direction along elastic helix steel wire 5 of secondary fixed block 6 is greater than the width of spring spiral wire along himself axis, the curved setting in cross section of these secondary fixed blocks 6 and separate, and in the another side of its relative resilient spiral wire 5 and body 7 toward the outside the outer wall of protective layer 1 post and fix, which increase the area of contact of the outer wall of elastic helix steel wire 5 and body 7, thus increase the constant intensity of the outer wall of elastic helix steel wire 5 and body 7, can elastic helix be effectively prevented to be shifted, ensure that the intensity of this novel ventilated flexible pipe.In the present embodiment, these secondary fixed blocks 6, by bonding with the outer wall of body 7, make elastic helix steel wire 5 fix with the outer wall of body 7; Certainly, secondary fixed block 6 also can be provided with pin hole, by needlework, secondary fixed block 6 is fixed on the outer wall of body 7.
In addition, the secondary fixed block in secondary fixing group is along the linearly arrangement of central axis of elastic helix steel wire.
The one side done like this makes the structure of this novel ventilated flexible pipe more succinct, in addition, when this novel ventilated flexible pipe is subject to the pressure along its central axis, if elastic helix steel wire 5 can produce compression under the effect of the pressure, when elastic helix steel wire 5 be compressed to mutually abut between adjacent pair fixed block 6 time, adjacent pair fixed block 6 can abut, and forms a column that can be parallel to this pressure direction whereby, with offset pressure, thus ensure the constant intensity of the fixing group of this pair and body 7.
Shown in composition graphs 2 and Fig. 3, main fixing group comprises some main fixed blocks 4, main fixed block 4 is greater than the width of spiral wire along its axial direction along the width of the axial direction of elastic helix steel wire 5, the curved setting in cross section of these main fixed blocks 4 and separate, and it is adaptive towards the inwall of body 7 in the another side of its relative resilient spiral wire 5 and fixed bed 3, in the present embodiment, these main fixed blocks 4, by bonding with fixed bed 3, make elastic helix steel wire 5 fix with fixed bed 3; Certainly, main fixed block 4 also can be provided with pin hole, by needlework, main fixed block 4 is fixed on fixed bed 3; Which increase the area of contact of elastic helix steel wire 5 and fixed bed 3, thus increase elastic helix steel wire 5 and the constant intensity of fixed bed 3, can effectively prevent elastic helix to be shifted, ensure that the intensity of this novel ventilated flexible pipe.
In addition, the main fixed block 4 in main fixing group is along the linearly arrangement of central axis of elastic helix steel wire 5.
The one side done like this makes the structure of this novel ventilated flexible pipe more succinct, in addition, when this novel ventilated flexible pipe is subject to the pressure along its central axis, if elastic helix steel wire 5 can produce compression under the effect of the pressure, when elastic helix steel wire 5 be compressed to mutually abut between adjacent main fixed block 4 time, adjacent main fixed block 4 can abut, and forms a column that can be parallel to this pressure direction whereby, with offset pressure, thus ensure the constant intensity of the fixing group of this master and fixed bed 3.
Again shown in composition graphs 2 and Fig. 3, the outer surface of fixed bed 3 is also coated with thermal insulation layer 2, and this thermal insulation layer 2 wraps layer 3 uniformly, the temperature of the wind of process in effective maintenance flexible pipe, in addition, this thermal insulation layer 2 material can select PEF or rubber-plastics material, can also select glass wool.
And described external protection 1 is worked out by the glass fibre fire line with silica-gel coating.The part that this flameproof textile plays beyond by the heat of gas too high for temperature and body 7 carries out isolating and blocking, avoid this novel ventilated flexible pipe because the temperature of gas is too high and cause novel ventilated flexible pipe to be lighted, make the life of people and the complete of property to ensure, but also the temperature in this novel ventilated flexible pipe can be stoped to diffuse to the external world, thus avoid causing extraneous temperature imbalance, further make the temperature near novel ventilated flexible pipe avoid being subject to the impact of novel ventilated inside hose temperature.
In the present embodiment; also can there is further optimization; namely the inwall of body 7 is pasted with inner protective layer 8; in the present embodiment; thermal insulation layer 2 can be made up of the glass fibre flameproof textile with silica-gel coating; the part that this flameproof textile plays beyond by the heat of gas too high for temperature and body 7 carries out isolating and blocking, and avoids this novel ventilated flexible pipe because the temperature of gas is too high and causes novel ventilated flexible pipe to be lighted, make the life of people and the complete of property to ensure.In addition; inner protective layer 8 also can be made up of polytetrafluoroethylmaterial material; because polytetrafluoroethylmaterial material has low breathability to carbon dioxide; the infiltration capacity of carbon dioxide can be reduced; and it is flexible material; key is that itself and metal have good connectivity, contributes to the technical requirements meeting novel ventilated flexible pipe.
Below be only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a novel ventilated flexible pipe; it comprises the body, fixed bed, thermal insulation layer and the external protection that set gradually; elastic helix steel wire is provided with between described body and fixed bed; described elastic helix steel wire winding is in the periphery of body; described thermal insulation layer covers the periphery of fixed bed; described external protection covers the periphery of thermal insulation layer, it is characterized by: described elastic helix fixation with steel wire has the fixing part fixed respectively with body and fixed bed.
2. novel ventilated flexible pipe according to claim 1, is characterized by: described fixing part and elastic helix steel wire are integrated setting.
3. novel ventilated flexible pipe according to claim 1, it is characterized by: described fixing part comprises some fixing group, described fixing group comprises main fixing group, described master fixes the periphery that group is fixed on elastic helix steel wire, and described master fixes group comprises some separate main fixed blocks, described main fixed block is greater than the diameter of spring spiral wire along the width of the axial direction of elastic helix steel wire, fits in the another side of described main fixed block relative resilient spiral wire and fixed bed towards the inwall of body.
4. novel ventilated flexible pipe according to claim 3, is characterized by: described master fixes the central axial direction linearly arrangement of the main fixed block in group along elastic helix steel wire.
5. novel ventilated flexible pipe according to claim 3; it is characterized by: described fixing group also comprises secondary fixing group; described pair fixes the periphery that group is fixed on elastic helix steel wire; described pair is fixed group and is comprised some separate secondary fixed blocks; the width of the axial direction along elastic helix steel wire of described secondary fixed block is greater than the width of spring spiral wire along himself axis, and in the another side of described secondary fixed block relative resilient spiral wire and body, the outer wall of protective layer is adaptive toward the outside.
6. novel ventilated flexible pipe according to claim 5, is characterized by: described pair fixes the central axial direction linearly arrangement of the secondary fixed block in group along elastic helix steel wire.
7. novel ventilated flexible pipe according to claim 1, is characterized by: described fixed bed is made up of glass fiber cloth.
8. novel ventilated flexible pipe according to claim 1, is characterized by: described external protection is worked out by the glass fibre fire line with silica-gel coating.
9. novel ventilated flexible pipe according to claim 1, is characterized by: described inboard wall of tube body is pasted with inner protective layer.
10. novel ventilated flexible pipe according to claim 9, is characterized by: described inner protective layer is made up of the glass fibre flameproof textile with silica-gel coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520884523.7U CN205226661U (en) | 2015-11-07 | 2015-11-07 | Novel vent hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520884523.7U CN205226661U (en) | 2015-11-07 | 2015-11-07 | Novel vent hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205226661U true CN205226661U (en) | 2016-05-11 |
Family
ID=55901727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520884523.7U Expired - Fee Related CN205226661U (en) | 2015-11-07 | 2015-11-07 | Novel vent hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205226661U (en) |
-
2015
- 2015-11-07 CN CN201520884523.7U patent/CN205226661U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20181107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |