CN205640015U - Anticorrosive direct -burried external pressure type ripple expansion joint - Google Patents
Anticorrosive direct -burried external pressure type ripple expansion joint Download PDFInfo
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- CN205640015U CN205640015U CN201620409013.9U CN201620409013U CN205640015U CN 205640015 U CN205640015 U CN 205640015U CN 201620409013 U CN201620409013 U CN 201620409013U CN 205640015 U CN205640015 U CN 205640015U
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- pipe
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- compression type
- type expansion
- outer tube
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Abstract
The utility model relates to an anticorrosive direct -burried external pressure type ripple expansion joint, including entrance point pipe, outer tube, bellows and exit end pipe, the outer tube is through export end links and bellows joint, bellows joint exit end pipe, and the outside of export end links is equipped with and hinders the mud device, and the device includes outer tube, sealing filler and clamping ring, and the overcoat pipe box is established on the outer circumference of exit end pipe, the one end of outer tube and export end links welded fastening, its other end is equipped with the clamping ring, outer tube, clamping ring and export end links and exit end pipe component packing cavity, the packing cavity intussuseption is filled with sealing filler. The utility model provides an anticorrosive problem of direct -burried external pressure type ripple expansion joint, add the sealed mud device that hinders at the expansion end of ripple expansion joint, make high saline and alkaline and chloride ionic fluid can not the seepage to the inside of bellows, increased the intensity of expansion joint exit end crown plate simultaneously, improved the resistance to corrosion of expansion joint, prolonged life, make the ripple expansion joint safe more with reliably.
Description
Technical field
This utility model relates to pipeline compensator technical field, especially one and has anticorrosion, leakage-resistant device
Direct-burried external-compression type expansion bellow.
Background technology
Since in recent years, along with urban construction improves constantly for landscaping requirement, the big portion of heat supply pipeline
Dividing the buried mode using provided underground, this mode is for pipeline expansion bellow used by balance thermal expansion
Requirement for anticorrosion higher, the safety of expansion joint should be ensured, ensure the long-lasting and reliable of expansion joint again
Property.Because expansion bellow is mainly used in the axial bit shift compensation of heat distribution pipeline, particularly electric power, oil,
The high temperature such as chemical industry, heating power, pressure piping are applied very universal, existing direct-burried external-compression type expansion bellow
Often it is difficult to meet safety, the long-lasting and requirement of reliability simultaneously.
The movable end of existing external-compression type expansion bellow all has certain gap, buried after, subsoil water can pass through
This gap penetrates in trocar sheath, and can leak into the inner surface of corrugated tube from expansion joint movable end gap location.
Particularly high salinity, the fluid of chloride ion-containing can produce corrosion to corrugated tube and inner tube, makes the use of expansion joint
Life-span is greatly shortened, and serious corrosion is easily caused corrugated tube and lost efficacy, thus causes security incident.
Utility model content
For the defect of above-mentioned direct-burried external-compression type expansion bellow, this utility model is mainly swollen from solving ripple
The Anticorrosion of swollen joint is set about, it is provided that a kind of safe and reliable, long-acting direct-burried external-compression type expansion bellow.
The purpose of this utility model is achieved by the following technical solution:
Anticorrosion direct-burried external-compression type expansion bellow, including entrance point pipe, outer tube, corrugated tube and port of export pipe,
Described entrance point pipe is connected with outer tube by import end ring, and outer tube is connected with corrugated tube by outlet end ring, ripple
Stricture of vagina pipe connection outlet end pipe, the outside of described outlet end ring be provided with resistance mud device, this device include trocar sheath,
Airtight and watertight padding and pressure ring, described trocar sheath is set on the excircle of port of export pipe, one end of trocar sheath with go out
Mouth end ring welding is fixed, and its other end is provided with pressure ring, described trocar sheath, pressure ring and outlet end ring and the port of export
Pipe constitutes packing cavity, is filled with airtight and watertight padding in packing cavity.
As optimal technical scheme of the present utility model, described pressure ring is welded and fixed with trocar sheath.
As optimal technical scheme of the present utility model, it is welded with between described entrance point pipe and import end ring and adds
Strong gusset.
As optimal technical scheme of the present utility model, described bellows-sheathed is located on the excircle of port of export pipe,
One end of corrugated tube is fixed with outlet end ring welding by ripple adapter, and its other end is taken over by ripple and guide ring
Connecting, guide ring is weldingly fixed on the end of port of export pipe.
As optimal technical scheme of the present utility model, in described entrance point pipe, it is provided with guide shell, guide shell
One end is connected with the inwall of entrance point pipe, and its other end extend in port of export pipe.
As optimal technical scheme of the present utility model, described outer tube is provided with steam trap connection, and this device is by going out
The mouth of a river and sealing-plug are constituted.
As optimal technical scheme of the present utility model, described steam trap connection is located at the outer tube relative with guide shell
On wall, described sealing-plug replaces with one-way water outlet valve.
As optimal technical scheme of the present utility model, described pressure ring be connected with trocar sheath by attachment screw and
Fixing.
As optimal technical scheme of the present utility model, the outer surface of described port of export pipe is additionally provided with spacing ring,
Spacing ring is connected with described outlet end ring by screw bolt and nut.
As optimal technical scheme of the present utility model, the end of described port of export pipe is provided with outer chamfering, and this is outer
The angle of chamfering is 30 degree.
The beneficial effects of the utility model are: relative to prior art, and this utility model solves direct-burried external pressure
The Anticorrosion of formula expansion bellow, makes be greatly prolonged the service life of expansion bellow, thus safer
Reliably.
This utility model is by improving the structure of external-compression type expansion bellow, in the work of expansion bellow
Sealing resistance mud device is set up in moved end, makes the fluid of high salinity and chloride ion-containing can not leak into the inside of corrugated tube,
Add the intensity of expansion joint port of export ring flat-plate simultaneously, improve the resistance to corrosion of expansion joint, extend and make
Use the life-span.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the close-up schematic view in Fig. 1 at A.
In figure: 1, entrance point pipe, 2, gusset, 3, import end ring, 4, guide shell, 5, guide ring, 6,
Ripple is taken over, and 7, corrugated tube, 8, outer tube, 9, port of export pipe, 10, outlet end ring, 11, resistance mud device,
12, spacing ring, 13, steam trap connection, 101, trocar sheath, 102, airtight and watertight padding, 103, pressure ring.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
As depicted in figs. 1 and 2, anticorrosion direct-burried external-compression type expansion bellow, including entrance point pipe 1, outer tube 8,
Corrugated tube 7 and port of export pipe 9, described entrance point pipe 1 is connected with outer tube 8 by import end ring 3, outer tube 8
It is connected with corrugated tube 7 by outlet end ring 10, corrugated tube 7 connection outlet end pipe 9, described outlet end ring 10
Outside be provided with resistance mud device 11, this device includes trocar sheath 101, airtight and watertight padding 102 and pressure ring 103,
Described trocar sheath 101 is set on the excircle of port of export pipe 9, one end of trocar sheath 101 and outlet end ring
10 are welded and fixed, and its other end is provided with pressure ring 103, described trocar sheath 101, pressure ring 103 and outlet end ring
10 and port of export pipe 9 constitute packing cavity, be filled with airtight and watertight padding 102 in packing cavity.
In the present embodiment, described pressure ring 103 is welded and fixed with trocar sheath 101.As another embodiment,
Pressure ring 103 can also be connected with trocar sheath 101 by attachment screw and be fixed (not shown).
Reinforcement gusset 2 it is welded with between the present embodiment entrance point pipe 1 and import end ring 3.Corrugated tube 7 is sheathed
On the excircle of port of export pipe 9, one end of corrugated tube 7 is welded solid by ripple adapter 6 with outlet end ring 10
Fixed, its other end is connected with guide ring 5 by ripple adapter 6, and guide ring 5 is weldingly fixed on port of export pipe 9
End.
Being provided with guide shell 4 in described entrance point pipe 1, one end of guide shell 4 connects with the inwall of entrance point pipe 1
Connecing, its other end extend in port of export pipe 9.Described outer tube is provided with steam trap connection 13, and this device is by going out
The mouth of a river and sealing-plug are constituted, and steam trap connection 13 is located on outer tube 8 wall relative with guide shell 4.As another
Planting embodiment, the sealing-plug of steam trap connection 13 may be replaced by one-way water outlet valve.
The outer surface of this utility model port of export pipe 9 is additionally provided with spacing ring 12, spacing ring 12 by bolt and
Nut is connected with described outlet end ring 10.The end of port of export pipe 9 is provided with outer chamfering, the angle of this outer chamfering
It it is 30 degree.
This utility model sets up sealing resistance mud device at the movable end of external-compression type expansion bellow, goes out at expansion joint
Solder mask pipe outside the ring flat-plate of mouth end, fills graphite packing in annular seal space, after airtight and watertight padding compresses, and will
Pressure ring welds with trocar sheath, thus realizes the effect stoping external substance to enter in compensator.
This utility model solves Urban Buried Pipeline Network particularly high salinity area and lays a difficult problem for pipeline, has suburb
Prevent the fluid corrosion to direct-burried external pressure expansion bellow such as sewage, snow melt or chloride ion-containing, increase simultaneously
The intensity of expansion joint port of export ring flat-plate, improves the resistance to corrosion of expansion joint, substantially prolongs expansion joint
Service life.
Claims (10)
1. an anticorrosion direct-burried external-compression type expansion bellow, including entrance point pipe, outer tube, corrugated tube and outlet
End pipe, described entrance point pipe is connected with outer tube by import end ring, and outer tube is by outlet end ring with corrugated tube even
Connect, corrugated tube connection outlet end pipe, it is characterized in that: the outside of described outlet end ring is provided with resistance mud device, should
Device includes that trocar sheath, airtight and watertight padding and pressure ring, described trocar sheath are set on the excircle of port of export pipe,
One end of trocar sheath is fixed with outlet end ring welding, and its other end is provided with pressure ring, described trocar sheath, pressure ring with
Outlet end ring and port of export pipe constitute packing cavity, are filled with airtight and watertight padding in packing cavity.
Anticorrosion direct-burried external-compression type expansion bellow the most according to claim 1, is characterized in that: described pressure
Ring is welded and fixed with trocar sheath.
Anticorrosion direct-burried external-compression type expansion bellow the most according to claim 2, is characterized in that: described in enter
It is welded with reinforcement gusset between mouth end pipe and import end ring.
Anticorrosion direct-burried external-compression type expansion bellow the most according to claim 3, is characterized in that: described ripple
Stricture of vagina pipe box is located on the excircle of port of export pipe, and one end of corrugated tube is solid with outlet end ring welding by ripple adapter
Fixed, its other end is connected with guide ring by ripple adapter, and guide ring is weldingly fixed on the end of port of export pipe.
5. according to the anticorrosion direct-burried external-compression type expansion bellow described in any one of Claims 1-4, its feature
It is: being provided with guide shell in described entrance point pipe, one end of guide shell is connected with the inwall of entrance point pipe, and it is another
One end extend in port of export pipe.
Anticorrosion direct-burried external-compression type expansion bellow the most according to claim 5, is characterized in that: outside described
Pipe is provided with steam trap connection, and this device is made up of outlet and sealing-plug.
Anticorrosion direct-burried external-compression type expansion bellow the most according to claim 6, is characterized in that: described thin
Water device is located on the outer tube wall relative with guide shell, and described sealing-plug replaces with one-way water outlet valve.
Anticorrosion direct-burried external-compression type expansion bellow the most according to claim 1, is characterized in that: described pressure
Ring is connected with trocar sheath by attachment screw and fixing.
Anticorrosion direct-burried external-compression type expansion bellow the most according to claim 1, is characterized in that: described in go out
The outer surface of mouth end pipe is additionally provided with spacing ring, and spacing ring is connected with described outlet end ring by screw bolt and nut.
Anticorrosion direct-burried external-compression type expansion bellow the most according to claim 1, is characterized in that: described
The end of port of export pipe is provided with outer chamfering, and the angle of this outer chamfering is 30 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409013.9U CN205640015U (en) | 2016-05-08 | 2016-05-08 | Anticorrosive direct -burried external pressure type ripple expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409013.9U CN205640015U (en) | 2016-05-08 | 2016-05-08 | Anticorrosive direct -burried external pressure type ripple expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205640015U true CN205640015U (en) | 2016-10-12 |
Family
ID=57049749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620409013.9U Active CN205640015U (en) | 2016-05-08 | 2016-05-08 | Anticorrosive direct -burried external pressure type ripple expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205640015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996496A (en) * | 2017-04-06 | 2017-08-01 | 洛阳双瑞特种装备有限公司 | A kind of band monitoring and the pressure balancing type expansion joint of bypass straight tube of safeguard function |
| CN107345610A (en) * | 2016-05-08 | 2017-11-14 | 江苏贝特管件有限公司 | Anti-corrosion direct-burried external-compression type expansion bellow |
-
2016
- 2016-05-08 CN CN201620409013.9U patent/CN205640015U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345610A (en) * | 2016-05-08 | 2017-11-14 | 江苏贝特管件有限公司 | Anti-corrosion direct-burried external-compression type expansion bellow |
| CN106996496A (en) * | 2017-04-06 | 2017-08-01 | 洛阳双瑞特种装备有限公司 | A kind of band monitoring and the pressure balancing type expansion joint of bypass straight tube of safeguard function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |