CN207088472U - Thermal shrinkable sleeve extension fixture - Google Patents
Thermal shrinkable sleeve extension fixture Download PDFInfo
- Publication number
- CN207088472U CN207088472U CN201721060986.7U CN201721060986U CN207088472U CN 207088472 U CN207088472 U CN 207088472U CN 201721060986 U CN201721060986 U CN 201721060986U CN 207088472 U CN207088472 U CN 207088472U
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- CN
- China
- Prior art keywords
- shrinkable sleeve
- leading screw
- thermal shrinkable
- isometrical
- extension fixture
- 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.)
- Expired - Fee Related
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Abstract
Thermal shrinkable sleeve extension fixture, a kind of thermal shrinkable sleeve extension fixture is the utility model is related to, it is in order to solve the problems, such as isometrical thermal shrinkable sleeve or not isometrical thermal shrinkable sleeve expansion processing machinery integration.Contracting set extension fixture includes rocking handle, reverse thread nut, first connecting rod, second connecting rod, forward screw thread nut, crossbeam and leading screw, one section of forward screw thread section and reverse thread section composition leading screw, forward screw thread nut is set with the forward screw thread section of leading screw, reverse thread nut is set with the reverse thread section of leading screw, multiple first connecting rods are hinged with reverse thread nut, multiple second connecting rods are hinged with forward screw thread nut, adjacent first connecting rod and second connecting rod is together hinged on crossbeam, and multiple crossbeams are circumferentially provided with leading screw.Also not isometrical petal can be connected by screw rod on crossbeam, realize the expansion of not isometrical thermal shrinkable sleeve.The utility model thermal shrinkable sleeve extension fixture is simple in construction, can realize isometrical thermal shrinkable sleeve or not isometrical thermal shrinkable sleeve mechanization expansion.
Description
Technical field
It the utility model is related to a kind of thermal shrinkable sleeve extension fixture.
Background technology
For the integrated precast direct-buried thermal insulation pipe system of geothermal water pipe network or oil transportation pipe network-by working steel tube,
The heat-insulating pipe fitting of polyurethane insulation coating and PEF display pipe composition, heat-insulating pipe fitting need insulation to connect when realizing connection at the scene
Head.The thermal shrinkable sleeve on set in advance on heat-insulating pipe fitting, after the working steel tube welding of heat-insulating pipe fitting to be done and polyurethane foam again
Polyethylene thermal shrinkable sleeve (such as Fig. 1) is moved past, thermal shrinkable sleeve internal layer is lined with hot melt adhesive film.Contraction is heated to realize waterproof sealing, or
It is after the working steel tube for completing heat-insulating pipe fitting welds, thermal shrinkable sleeve is moved past and comes and is sent out its both ends heat shrink again
Bubble.
In addition, the clipping layer in insulation pipe end is also required to seal, this step processing technology is typically completed in insulating tube factory,
Respectively add a not isometrical thermal shrinkable sleeve (such as Fig. 2) at heat preservation pipe prefabricated both ends, inside scribbles PUR, and big end is incorporated in jacket tube
Together, small end is combined together with steel pipe, involves the safety of whole pipeline to prevent a termination water inlet.Both products
Prepare be typically all by the section bar of definite shape it is crosslinked after, radially expand rear cooling and shaping system using different extension fixtures
Into with isometrical or waney material contracting with heat.
Utility model content
The utility model in order to solve the problems, such as isometrical thermal shrinkable sleeve or not isometrical thermal shrinkable sleeve expansion processing machinery integration, and
Thermal shrinkable sleeve extension fixture is provided.
The utility model thermal shrinkable sleeve extension fixture includes manual rocking handle, multiple reverse thread nuts, multiple first connecting rods, more
The one of individual second connecting rod, multiple forward screw thread nuts, multiple crossbeams and leading screw, forward screw thread section and reverse thread section composition leading screw
Section, leading screw is multi-section structure, and forward screw thread nut is set with the forward screw thread section of leading screw, in the reverse thread section of leading screw
Reverse thread nut is set with, one end of first connecting rod is hinged on reverse thread nut, along the week of each reverse thread nut
To multiple first connecting rods are hinged with, one end of second connecting rod is hinged on forward screw thread nut, along each forward screw thread nut
Circumferentially it is hinged with multiple second connecting rods, the other end of adjacent first connecting rod and second connecting rod is intersecting and is together hinged on crossbeam
On；
Using the end face of leading screw as the center of circle, multiple crossbeams are evenly arranged with the circumference of leading screw, the axial direction of crossbeam and leading screw
It is axially in parallel, one end of leading screw is provided with manual rocking handle.
The utility model thermal shrinkable sleeve extension fixture utilizes linkage, realizes the radial dilatation of thermal shrinkable sleeve.Wherein leading screw adds
Work is into forward screw thread section and reverse thread section, when swinging handle drives leading screw along when rotating clockwise, in the case where screw subband is dynamic, just
To screw thread screw and reverse thread screw move toward one another, screw drives first connecting rod and second connecting rod to swing in opposite directions, two connecting rods
Between angle diminish, beam rail is radially jacked up, realizes the radial dilatation of sleeve pipe.
If expand waney sleeve pipe, multiple not isometrical petals are installed additional on crossbeam, valve utilizes screw rod and crossbeam
Link together, moving drivening rod by nut swings, and realizes the expansion of waney sleeve pipe.
The utility model thermal shrinkable sleeve extension fixture is simple in construction, realizes isometrical thermal shrinkable sleeve or not isometrical thermal shrinkable sleeve mechanization
Expansion.
Brief description of the drawings
Fig. 1 is the structural representation of isometrical thermal shrinkable sleeve；
Fig. 2 is the structural representation of not isometrical thermal shrinkable sleeve；
Fig. 3 is the structural representation of the isometrical thermal shrinkable sleeve extension fixture described in embodiment one；
Fig. 4 is the structural representation of the not isometrical thermal shrinkable sleeve extension fixture described in embodiment three.
Embodiment
Embodiment one：Present embodiment thermal shrinkable sleeve extension fixture includes manual rocking handle 1, multiple reverse thread nuts
2nd, multiple first connecting rods 3, multiple second connecting rods 4, multiple forward screw thread nuts 5, multiple crossbeams 6 and leading screw 7, forward screw thread section 7-
1 and reverse thread section 7-2 forms a section of leading screw 7, and leading screw 7 is multi-section structure, is set with the forward screw thread section 7-1 of leading screw 7
There is forward screw thread nut 5, reverse thread nut 2, one end hinge of first connecting rod 3 are set with the reverse thread section 7-2 of leading screw 7
It is connected on reverse thread nut 2, multiple first connecting rods 3 is hinged with along the circumference of each reverse thread nut 2, second connecting rod 4
One end is hinged on forward screw thread nut 5, and multiple second connecting rods 4 are hinged with along the circumference of each forward screw thread nut 5, adjacent
The other end of first connecting rod 3 and second connecting rod 4 is intersecting and is together hinged on the cross beam 6；
Using the end face of leading screw 7 as the center of circle, multiple crossbeams 6, the axial direction of crossbeam 6 and silk are evenly arranged with the circumference of leading screw 7
Thick stick 7 it is axially in parallel, one end of leading screw 7 is provided with manual rocking handle 1.
Present embodiment crossbeam passes through first connecting rod and second connecting rod and the reverse thread nut and forward screw thread on leading screw
Nut is connected, and first connecting rod and second connecting rod form scissor structure.
Present embodiment utilizes linkage, realizes the radial dilatation of thermal shrinkable sleeve.
Embodiment two：Present embodiment is uniformly set unlike embodiment one in the circumference of leading screw 7
It is equipped with 8~16 crossbeams 6.
Present embodiment different, plastics pipe diameter hour before expansion according to the different size thermal shrinkable sleeve calibers of expansion,
Linkage sets negligible amounts, and when plastics pipe diameter is big before expansion, linkage sets quantity more.
Embodiment three：Present embodiment thermal shrinkable sleeve extension fixture unlike embodiment one or two
Also include not isometrical petal 10, not isometrical petal 10 is connected by screw rod with crossbeam 6, and multiple not isometrical petals 10 are along leading screw 7
Circumference be uniformly arranged, not isometrical petal 10 is stepped vertically.
The valve of present embodiment is linked together using screw rod and crossbeam, and moving drivening rod by nut swings, real
The expansion of existing waney sleeve pipe.
Embodiment four：Present embodiment 8~16 not isometrical petals 10 unlike embodiment three
It is uniformly arranged along the circumference of leading screw 7.
Embodiment five：Manual rocking handle 1 unlike one of present embodiment and embodiment one to four is in
Annular.
Embodiment one：The present embodiment thermal shrinkable sleeve extension fixture includes manual rocking handle 1, multiple reverse thread nuts 2, Duo Ge
One connecting rod 3, multiple second connecting rods 4, multiple forward screw thread nuts 5, multiple crossbeams 6 and leading screw 7, forward screw thread section 7-1 and reversely
Thread segment 7-2 forms a section of leading screw 7, and leading screw 7 is multi-section structure, and positive spiral shell is set with the forward screw thread section 7-1 of leading screw 7
Line nut 5, is set with reverse thread nut 2 on the reverse thread section 7-2 of leading screw 7, and one end of first connecting rod 3 is hinged on reversely
On screw nut 2, multiple first connecting rods 3 are hinged with along the circumference of each reverse thread nut 2, one end of second connecting rod 4 is hinged
On forward screw thread nut 5, multiple second connecting rods 4, adjacent first connecting rod are hinged with along the circumference of each forward screw thread nut 5
3 and second connecting rod 4 the other end it is intersecting and together it is be hinged on the cross beam 6；
Using the end face of leading screw 7 as the center of circle, multiple crossbeams 6, the axial direction of crossbeam 6 and silk are evenly arranged with the circumference of leading screw 7
Thick stick 7 it is axially in parallel, one end of leading screw 7 is provided with manual rocking handle 1.
The forward screw thread section of the present embodiment leading screw is different with the diameter of reverse thread section.
When specifically used, by the isometrical crosslinking heated rear enclosure of tubing in the position indicated by sleeve pipe 9 as shown in Figure 3, so
Afterwards around fixed handle, under being moved through screw subband, reverse thread nut and forward screw thread nut move towards, and two kinds of nuts drive first
Connecting rod and second connecting rod are swung in opposite directions, and crossbeam is radially jacked up, realizes the radial dilatation of crosslinking tubing.After water cooled sizing, instead
To around fixed handle, the leading screw that driving has forward and reverse screw thread rotates backward, under being moved through screw subband, reverse thread nut and forward direction
Nut moves backward, and nut drives first connecting rod and second connecting rod backswing, and crossbeam is withdrawn, and removes the thermal shrinkable sleeve after expansion
Pipe, complete the expansion process flow of isometrical thermal shrinkable sleeve.
Embodiment two：The present embodiment thermal shrinkable sleeve extension fixture unlike embodiment one also includes not isometrical petal
10, not isometrical petal 10 is connected by screw rod with crossbeam 6, and circumference of multiple not isometrical petals 10 along leading screw 7 is uniformly arranged, no
Isometrical petal 10 is stepped vertically.
When specifically used, by the not isometrical crosslinking heated rear enclosure of tubing in the position indicated by sleeve pipe 11 as shown in Figure 4, so
Afterwards around fixed handle, the leading screw with forward and reverse screw thread is driven to rotate forward, under being moved through screw subband, reverse thread nut and forward direction
Screw nut is moved towards, and nut drives first connecting rod and second connecting rod to swing in opposite directions, and crossbeam is radially jacked up, crossbeam band moving vane
Film radially jacks up, and realizes the radial dilatation of not isometrical crosslinking tubing.After water cooled sizing, reversely driven around fixed handle with positive and negative
Rotated backward to the leading screw of screw thread, under being moved through screw subband, reverse thread nut and forward screw thread nut reverse movement, nut band
Dynamic first connecting rod and second connecting rod backswing, crossbeam and petal are withdrawn, and remove the not miter thermal-shrinkage sleeve after expansion, are completed
The expansion process flow of not isometrical thermal shrinkable sleeve.
Claims (5)
1. thermal shrinkable sleeve extension fixture, it is characterised in that the thermal shrinkable sleeve extension fixture includes manual rocking handle (1), multiple reverse thread spiral shells
Female (2), multiple first connecting rods (3), multiple second connecting rods (4), multiple forward screw thread nuts (5), multiple crossbeams (6) and leading screw
(7) a, section of forward screw thread section (7-1) and reverse thread section (7-2) composition leading screw (7), leading screw (7) is multi-section structure, in silk
Forward screw thread nut (5) is set with the forward screw thread section (7-1) of thick stick (7), is covered in the reverse thread section (7-2) of leading screw (7)
Equipped with reverse thread nut (2), one end of first connecting rod (3) is hinged on reverse thread nut (2), along each reverse thread spiral shell
The circumference of female (2) is hinged with multiple first connecting rods (3), and one end of second connecting rod (4) is hinged on forward screw thread nut (5), edge
The circumference of each forward screw thread nut (5) is hinged with multiple second connecting rods (4), adjacent first connecting rod (3) and second connecting rod (4)
The other end it is intersecting and be together hinged on crossbeam (6)；
Using the end face of leading screw (7) as the center of circle, multiple crossbeams (6), the axial direction of crossbeam (6) are evenly arranged with the circumference of leading screw (7)
It is axially in parallel with leading screw (7), one end of leading screw (7) is provided with manual rocking handle (1).
2. thermal shrinkable sleeve extension fixture according to claim 1, it is characterised in that be evenly arranged with 8 in the circumference of leading screw (7)
~16 crossbeams (6).
3. thermal shrinkable sleeve extension fixture according to claim 1, it is characterised in that the thermal shrinkable sleeve extension fixture also includes
Footpath petal (10), not isometrical petal (10) are connected by screw rod with crossbeam (6), and multiple not isometrical petals (10) are along leading screw (7)
Circumference be uniformly arranged, not isometrical petal (10) is stepped vertically.
4. thermal shrinkable sleeve extension fixture according to claim 3, it is characterised in that 8~16 not isometrical petals (10) are along leading screw
(7) circumference is uniformly arranged.
5. thermal shrinkable sleeve extension fixture according to claim 1, it is characterised in that manual rocking handle (1) is in annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060986.7U CN207088472U (en) | 2017-08-23 | 2017-08-23 | Thermal shrinkable sleeve extension fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060986.7U CN207088472U (en) | 2017-08-23 | 2017-08-23 | Thermal shrinkable sleeve extension fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207088472U true CN207088472U (en) | 2018-03-13 |
Family
ID=61539052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721060986.7U Expired - Fee Related CN207088472U (en) | 2017-08-23 | 2017-08-23 | Thermal shrinkable sleeve extension fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207088472U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110815802A (en) * | 2019-09-26 | 2020-02-21 | 宜宾天亿新材料科技有限公司 | Method for manufacturing PVC-O pipe and expansion device thereof |
| CN113441613A (en) * | 2021-07-12 | 2021-09-28 | 内蒙古工业大学 | Clamping tool for heat setting of vascular stent |
| CN114932648A (en) * | 2022-05-05 | 2022-08-23 | 桂林航天工业学院 | PVC plastic tubing hot press unit |
-
2017
- 2017-08-23 CN CN201721060986.7U patent/CN207088472U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110815802A (en) * | 2019-09-26 | 2020-02-21 | 宜宾天亿新材料科技有限公司 | Method for manufacturing PVC-O pipe and expansion device thereof |
| CN110815802B (en) * | 2019-09-26 | 2024-05-24 | 宜宾天亿新材料科技有限公司 | Method for manufacturing PVC-O pipe and expansion device thereof |
| CN113441613A (en) * | 2021-07-12 | 2021-09-28 | 内蒙古工业大学 | Clamping tool for heat setting of vascular stent |
| CN114932648A (en) * | 2022-05-05 | 2022-08-23 | 桂林航天工业学院 | PVC plastic tubing hot press unit |
| CN114932648B (en) * | 2022-05-05 | 2023-08-08 | 桂林航天工业学院 | PVC plastic tubing hot press unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20180823 |