CN205745752U - A kind of helical bellows from belt lacing - Google Patents
A kind of helical bellows from belt lacing Download PDFInfo
- Publication number
- CN205745752U CN205745752U CN201520913531.XU CN201520913531U CN205745752U CN 205745752 U CN205745752 U CN 205745752U CN 201520913531 U CN201520913531 U CN 201520913531U CN 205745752 U CN205745752 U CN 205745752U
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- pipe
- outer layer
- corrugated tube
- tube body
- plug division
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Abstract
The utility model discloses a kind of helical bellows from belt lacing, including corrugated tube body, Plug Division and and carrier, corrugated tube body includes that internal layer PE manages, undulatory outer layer PE pipe and the corrugated steel band being arranged between internal layer PE pipe and outer layer PE pipe, it is provided with PE inserts in the cavity formed between internal layer PE pipe and outer layer PE pipe, reinforcement ferrum muscle uniformly it is laid with in PE inserts, at the wave trough position of outer layer PE pipe, ring-wound has external reinforcing ribs, the Plug Division axial corrugated with corrugated tube calor innatus fusion welding and along corrugated tube body extends, it is arranged with sealing ring at the trough of Plug Division, carrier can be with the sealing ring interference fit on Plug Division.Should be from the helical bellows simple in construction of belt lacing, easy for installation, good sealing effect, ring stiffness height.
Description
Technical field
This utility model relates to pipe technology field, specifically provides a kind of helical bellows from belt lacing.
Background technology
The mode that existing helical bellows uses when connecting is: directly docked the termination of two helical bellowses, after docking, Electric thermal smelting belt is wrapped up outside seam crossing, pass through Electric thermal smelting belt, two helical bellowses are integrally connected, this mode need to carry out sweat soldering, inefficiency at the construction field (site), and labor strength is big, additionally, if carrying out sweat soldering under the execution conditions of bad environments, welding quality is difficult to ensure that, sealing is poor, Seepage easily occurs, it addition, the crushing resistance of existing corrugated tube is poor, cause its service life short.
Therefore, how existing helical bellows is carried out the improvement in structure, to improve its in-site installation efficiency, it is ensured that the sealing after installation, improve its ring stiffness simultaneously, become people's problem demanding prompt solution.
Summary of the invention
In consideration of it, the purpose of this utility model is to provide a kind of helical bellows from belt lacing, to solve the problems such as existing helical bellows installation effectiveness is low, sealing is poor, ring stiffness is low.
The technical scheme that this utility model provides is: a kind of helical bellows from belt lacing, including corrugated tube body, the Plug Division being connected with one end of corrugated tube body and the carrier being connected with the other end of corrugated tube body, corrugated tube body includes that internal layer PE manages, undulatory outer layer PE pipe and the corrugated steel band being arranged between internal layer PE pipe and outer layer PE pipe, it is provided with PE inserts in the cavity formed between internal layer PE pipe and outer layer PE pipe, reinforcement ferrum muscle uniformly it is laid with in PE inserts, at the wave trough position of outer layer PE pipe, ring-wound has external reinforcing ribs, the Plug Division axial corrugated with corrugated tube calor innatus fusion welding and along corrugated tube body extends, it is arranged with sealing ring at the trough of Plug Division, carrier can be with the sealing ring interference fit on Plug Division.
Preferably, corrugated steel strip surface is compound between outer layer PE pipe and internal layer PE pipe by adhering resin hot melt.
Further preferably, the height of external reinforcing ribs is less than the height at outer layer PE tube wave peak.
Further preferably, shaft orientation reinforcing rib also it is evenly equipped with at the wave trough position of outer layer PE pipe.
Further preferably, shaft orientation reinforcing rib is three groups and uniformly lays along the circumferential of outer layer PE pipe.
The helical bellows from belt lacing that this utility model provides, grafting is coordinated by carrier and Plug Division, easy to connect, quick, good sealing effect, meanwhile, arranges corrugated steel band between outer layer PE pipe by managing at internal layer PE and strengthens reinforcing bar, the external reinforcing ribs of annular is set at the wave trough position of outer layer PE pipe, improve the ring stiffness of corrugated tube, improve its anti-pressure ability, extend its service life.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and this utility model is described in further detail by embodiment:
Fig. 1 is the profile of the helical bellows from belt lacing.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is further explained, but does not limit to this utility model.
nullAs shown in Figure 1，This utility model provides a kind of helical bellows from belt lacing，Including corrugated tube body 1、The Plug Division 2 being connected with one end of corrugated tube body 1 and the carrier 3 being connected with the other end of corrugated tube body 1，Corrugated tube body 1 includes internal layer PE pipe 11、Undulatory outer layer PE pipe 12 and the corrugated steel band (not shown) being arranged between internal layer PE pipe 11 and outer layer PE pipe 12，Wherein，Corrugated steel strip surface is compound between outer layer PE pipe 12 and internal layer PE pipe 11 by adhering resin hot melt，It is provided with PE inserts 14 in the cavity formed between internal layer PE pipe 11 and outer layer PE pipe 12，Reinforcement reinforcing bar 15 uniformly it is laid with in PE inserts 14，At the wave trough position of outer layer PE pipe 12, ring-wound has external reinforcing ribs 16，The Plug Division 2 axial corrugated with corrugated tube body 1 sweat soldering and along corrugated tube body 1 extends，Sealing ring 21 it is arranged with at the trough of Plug Division 2，Carrier 3 can be with sealing ring 21 interference fit on Plug Division 2.
Should be from the helical bellows of belt lacing, grafting is coordinated by carrier and Plug Division, easy to connect, quick, good sealing effect, meanwhile, arranges corrugated steel band between outer layer PE pipe by managing at internal layer PE and strengthens reinforcing bar, the external reinforcing ribs of annular is set at the wave trough position of outer layer PE pipe, improve the ring stiffness of corrugated tube, improve its anti-pressure ability, extend its service life.
Wherein, the height of external reinforcing ribs 16 is less than the height of outer layer PE pipe 12 crest.
In order to improve the ring stiffness of corrugated tube further, as the improvement of technical scheme, being also evenly equipped with shaft orientation reinforcing rib (not shown) at the wave trough position of outer layer PE pipe 12, wherein, shaft orientation reinforcing rib is preferably three groups and uniformly lays along the circumferential of outer layer PE pipe 12.
Detailed description of the invention of the present utility model is to carry out writing according to the mode gone forward one by one, and highlights the difference of each embodiment, and its similar portion can be with cross-reference.
Above in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but this utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible on the premise of without departing from this utility model objective, various changes can be made.
Claims (5)
- null1. one kind from the helical bellows of belt lacing，It is characterized in that，Including corrugated tube body (1)、The Plug Division (2) being connected with one end of corrugated tube body (1) and the carrier (3) being connected with the other end of corrugated tube body (1)，Corrugated tube body (1) includes that internal layer PE manages (11)、Undulatory outer layer PE pipe (12) and the corrugated steel band being arranged between internal layer PE pipe (11) and outer layer PE pipe (12)，It is provided with PE inserts (14) in the cavity formed between internal layer PE pipe (11) and outer layer PE pipe (12)，Reinforcement reinforcing bar (15) uniformly it is laid with in PE inserts (14)，At the wave trough position of outer layer PE pipe (12), ring-wound has external reinforcing ribs (16)，The Plug Division (2) the axial corrugated with (1) sweat soldering of corrugated tube body and along corrugated tube body (1) extends，Sealing ring (21) it is arranged with at the trough of Plug Division (2)，Carrier (3) can be with sealing ring (21) interference fit on Plug Division (2).
- 2. according to the helical bellows described in claim 1, it is characterised in that: corrugated steel strip surface is compound between outer layer PE pipe (12) and internal layer PE pipe (11) by adhering resin hot melt.
- 3. according to the helical bellows described in claim 1, it is characterised in that: the height of external reinforcing ribs (16) is less than the height of outer layer PE pipe (12) crest.
- 4. according to the helical bellows according to any one of claims 1 to 3, it is characterised in that: also it is evenly equipped with shaft orientation reinforcing rib at the wave trough position of outer layer PE pipe (12).
- 5. according to the helical bellows described in claim 4, it is characterised in that: shaft orientation reinforcing rib is three groups and uniformly lays along the circumferential of outer layer PE pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520913531.XU CN205745752U (en) | 2015-11-17 | 2015-11-17 | A kind of helical bellows from belt lacing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520913531.XU CN205745752U (en) | 2015-11-17 | 2015-11-17 | A kind of helical bellows from belt lacing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745752U true CN205745752U (en) | 2016-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520913531.XU Active CN205745752U (en) | 2015-11-17 | 2015-11-17 | A kind of helical bellows from belt lacing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745752U (en) |
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2015
- 2015-11-17 CN CN201520913531.XU patent/CN205745752U/en active Active
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| C14 | Grant of patent or utility model | ||
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