CN205834017U - A kind of marmem pipe expander - Google Patents
A kind of marmem pipe expander Download PDFInfo
- Publication number
- CN205834017U CN205834017U CN201620644958.9U CN201620644958U CN205834017U CN 205834017 U CN205834017 U CN 205834017U CN 201620644958 U CN201620644958 U CN 201620644958U CN 205834017 U CN205834017 U CN 205834017U
- Authority
- CN
- China
- Prior art keywords
- extruded rod
- diameter
- guide holder
- compression leg
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
Abstract
This utility model relates to a kind of marmem pipe expander, including compression leg, extruded rod and guide holder, extruded rod is arranged in guide holder, described guide holder is the hollow cavity of upper opening, bottom is provided with for supporting the first hole, location placing extruded rod lower end, the second hole, location that internal diameter mates it is provided with extruded rod upper end diameter bottom described compression leg, described compression leg is socketed with the extruded rod upper end in guide holder by the second hole, location, the diameter at described extruded rod two ends is less than the diameter at middle part, and the middle part of described extruded rod diameter from top to bottom is gradually increased.Owing to the diameter in the middle part of extruded rod becomes larger from top to bottom, make the pipe fitting being enclosed within extruded rod under the promotion of compression leg, the most expanding, the stamping press acted on compression leg is adjusted according to practical operation, guarantee that caliber is the most progressively expanded to desired value, whole expander simple in construction, volume is little, installs and uses the most very convenient.
Description
Technical field
This utility model relates to a kind of marmem pipe expander.
Background technology
Marmem pipe is the pipe fitting being made by the intellectual material that can remember original shape, same material system
The pipe joint made is widely used in the fields such as aviation, oil and boats and ships due to its prominent sealing.
Marmem pipe joint is capable of the connection of two pipelines, and this connected mode had both been different from rib machine tool
Connect, also different from welding.Marmem pipe joint is simple cylinder, carries out machining under parent phase state,
Its internal diameter is more smaller than the external diameter of connected piece, and internal diameter is machined with convex ridge.During application, marmem pipe joint is cooled to horse
Family name's body state, expanding to pipe joint by mechanical force so that the internal diameter of pipe joint is more slightly larger than by adapter external diameter.Will be by under low temperature state
Connect pipeline and pipe joint be assembled together, the most again the shape memory pipe joint entirety assembled is heated to a certain temperature,
Making marmem pipe joint undergo phase transition, its internal diameter size returns to the size before deformation because of shape memory effect,
But during shape is recovered, owing to being limited by connected pipe, it is produced restraining forces, so that two are connected
Adapter road is either closely coupled to together.
The expander of the marmem pipe joint that presently, there are, major part all will hold the Large Copacity of cryogenic material
Structure is designed as a part therein, thus causes complicated integral structure, and volume is the biggest, is required for these problems and enters
Row improves, it is provided that a kind of more practical expander.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in construction, practical marmem pipe
Expander.
In order to solve above-mentioned technical problem, the technical scheme that this utility model provides is as follows: includes compression leg, extruded rod and leads
To seat, extruded rod is arranged in guide holder, and described guide holder is the hollow cavity of upper opening, and bottom is provided with puts for support
Put the first hole, location of extruded rod lower end, bottom described compression leg, be provided with the second location that internal diameter mates with extruded rod upper end diameter
Hole, described compression leg is socketed with the extruded rod upper end in guide holder by the second hole, location, and the diameter at described extruded rod two ends is less than
The diameter at middle part, the middle part of described extruded rod diameter from top to bottom is gradually increased.
Further, described compression leg is the hollow cavity of upper end closed.
Further, described extruded rod lower end is fixedly installed annular blend stop on the position in the first hole, location.Annular
Blend stop be used for accepting expanding after the pipe fitting that falls, and place certain time in low temperature environment.
Further, described guide holder sidewall is provided with through hole.Expander needs to operate with in low temperature environment,
When being placed into being filled with in the special container of liquid nitrogen or other cryogenic materials, the structure design of through hole makes whole expanding dress
Putting and invade in low temperature environment, through hole can be multiple, and shape can be strip, circle hole shape or other suitable shapes.
Further, described through hole is 4 the strip through holes being uniformly arranged on guide holder sidewall.
Further, the upper end of described compression leg upper end and guide holder is provided with lifting ring.
This utility model has the advantage that
1, become larger from top to bottom due to the diameter in the middle part of extruded rod, make pipe fitting the pushing away at compression leg being enclosed within extruded rod
Under Dong, the most expanding, the stamping press acted on compression leg is adjusted according to practical operation, it is ensured that caliber the most progressively by
Expand desired value to.
2, compression leg upper end closed, inside is hollow structure, and reserve extruded rod stretches into space, makes whole expanding process to the greatest extent
Complete in may being enclosed in certain region, it is to avoid external environmental condition disturbs.
3, the upper end of compression leg upper end and guide holder is provided with lifting ring, facilitates taking of whole device to carry.
4, whole expander simple in construction, volume is little, installs and uses the most very convenient.
Accompanying drawing explanation
Fig. 1 is the perspective view of marmem pipe expander in embodiment；
Fig. 2 is the longitdinal cross-section diagram of marmem pipe expander in embodiment；
1-compression leg, 2-guide holder, 3-extruded rod, 4-lifts ring, and 5-treats expanding marmem pipe part, and 6-annular is kept off
Bar, 7-through hole, 8-second positions hole, and 9-first positions hole.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
As shown in Figure 1, for the embodiment of a kind of marmem pipe expander described in the utility model, including
Compression leg 1, extruded rod 3 and guide holder 2, extruded rod 3 is arranged in guide holder 2, and described guide holder 2 is the cavity of upper opening
Body, bottom is provided with for supporting the first hole 9, location placing extruded rod lower end, is provided with internal diameter and squeezes bottom described compression leg 1
Second hole 8, location of pressure bar 3 upper end diameter coupling, described compression leg is by the extruded rod 3 in the second hole, location 8 and guide holder 2
End socket, the diameter at described extruded rod 3 two ends is less than the diameter at middle part, and the middle part diameter from top to bottom of described extruded rod 3 is gradually
Increase.
Compression leg 1 described in the utility model is the hollow cavity of upper end closed.
Described extruded rod 3 lower end is fixedly installed annular blend stop 6 on the position in the first hole 9, location.Annular blend stop is
Rubber strip, is used for catching expanding complete pipe fitting, plays cushioning effect, damage after preventing pipe fitting from dropping.
It is provided with through hole 7 on described guide holder 2 sidewall.Described through hole 7 is be uniformly arranged on guide holder 2 sidewall 4
Strip through hole.When in putting into expander equipped with the container of cryogenic material, cryogenic material is by leading on guide holder wall
Hole flows in guide holder, makes whole expander be immersed in cryogenic material.
Installing and using of the most whole expander, is provided with in the upper end of described compression leg 1 upper end and guide holder 2 and carries
Draw ring 4.
Time specifically used, by treating that expanding marmem pipe part 5 is inserted in by extruded rod 3 upper end, due in extruded rod 3
Portion's diameter from top to bottom is gradually increased, and the inner diameter values that maximum diameter wants extended with pipe fitting is consistent, after pipe fitting 5 is inserted in, works as pipe
Part 5 end runs into the position being relatively large in diameter and will block motionless.Compression leg 1 is inserted in extruded rod 3, and compression leg 1 upper end connects forcing press,
Along outside extruded rod under the pressure of compression leg 1, marmem pipe part 5 is stamped from top to bottom, the diameter of pipe fitting
The most extended, complete until expanding, owing to the diameter of extruded rod 3 lower end diminishes, pipe fitting drops on annular blend stop, operator
Member is directly taken out or whole extruded rod is directly taken out.The upper end of extruded rod 3 is provided with screw thread, can be with threaded hole
The device of band draw ring threaded with extruded rod after, lift out from guide holder.
In description of the present utility model, it is to be understood that term " on ", D score, "front", "rear", " interior ", " outward "
It is based on orientation shown in the drawings or position relationship in the orientation indicated or position relationship, is for only for ease of this practicality of description new
Type and simplification describe rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation
Structure and operation, therefore it is not intended that to restriction of the present utility model.
In a word, the foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all
Any amendment, equivalent and the improvement etc. made within spirit of the present utility model and principle, should be included in this practicality
Within novel protection domain.
Claims (6)
1. a marmem pipe expander, including compression leg, extruded rod and guide holder, extruded rod is arranged on guide holder
In, it is characterised in that: described guide holder is the hollow cavity of upper opening, and bottom is provided with for supporting placement extruded rod lower end
The first hole, location, be provided with bottom described compression leg that internal diameter mates with extruded rod upper end diameter second positions hole, described compression leg
Being socketed with the extruded rod upper end in guide holder by the second hole, location, the diameter at described extruded rod two ends is less than the diameter at middle part,
The middle part of described extruded rod diameter from top to bottom is gradually increased.
Expander the most according to claim 1, it is characterised in that: described compression leg is the hollow cavity of upper end closed.
Expander the most according to claim 2, it is characterised in that: described extruded rod lower end is near the first hole, location
Annular blend stop it is fixedly installed on position.
4. according to the expander described in any one of claim 1-3, it is characterised in that: it is provided with logical on described guide holder sidewall
Hole.
Expander the most according to claim 4, it is characterised in that: described through hole is for being uniformly arranged on guide holder sidewall
4 strip through holes.
6. according to the expander described in claim 1 or 2 or 3 or 5, it is characterised in that: described compression leg upper end and guide holder
Upper end is provided with lifting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620644958.9U CN205834017U (en) | 2016-06-27 | 2016-06-27 | A kind of marmem pipe expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620644958.9U CN205834017U (en) | 2016-06-27 | 2016-06-27 | A kind of marmem pipe expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205834017U true CN205834017U (en) | 2016-12-28 |
Family
ID=57622088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620644958.9U Active CN205834017U (en) | 2016-06-27 | 2016-06-27 | A kind of marmem pipe expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205834017U (en) |
-
2016
- 2016-06-27 CN CN201620644958.9U patent/CN205834017U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205834017U (en) | A kind of marmem pipe expander | |
| CN103318325A (en) | Storing and fixing device for pipe fitting | |
| CN203257361U (en) | Oil well leaked article fishing tool | |
| CN201098964Y (en) | Closed ball die | |
| CN209129638U (en) | A kind of light-duty mining floated type single hydraulic prop stay | |
| CN205715681U (en) | Electromotor sealer | |
| CN211478210U (en) | Sampling cup for dissolution instrument | |
| CN201404452Y (en) | Plastic infusion bottle with seal cover and bottle body which are directly connected | |
| CN204368816U (en) | The new multi-purpose collar | |
| CN207358976U (en) | A kind of frock of Fast Installation hasp workpiece | |
| CN216382029U (en) | Conical valve core supporting sealing seat for dismounting | |
| CN206660328U (en) | A kind of bolt device of stationary positioned film | |
| CN206972535U (en) | A kind of air compressor with fast disassembly type access panel | |
| CN204446180U (en) | A kind of bottle is the boar semen automatic spermatic bottle of elastomeric material | |
| CN105521540B (en) | A kind of injection with low resistance | |
| CN204774207U (en) | Pen | |
| CN208858248U (en) | A kind of use in toilet kirsite door handle | |
| CN209031764U (en) | It stretches the environmentally friendly cup of integrated device with suction pipe | |
| CN210678910U (en) | PVC pipe production is with preventing cutting device that bends | |
| CN205842030U (en) | A kind of marmem pipe joint | |
| CN206660314U (en) | Orientation film guide | |
| CN209427342U (en) | Anti- expansion plastic container | |
| CN209324492U (en) | Cooling liquid pot | |
| CN214312303U (en) | Experiment teaching aid for demonstrating expansion on heating and contraction on cooling of air | |
| CN207494676U (en) | A kind of damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |