CN204819336U - It tightly overlaps expansion instrument to rise - Google Patents
It tightly overlaps expansion instrument to rise Download PDFInfo
- Publication number
- CN204819336U CN204819336U CN201520525198.5U CN201520525198U CN204819336U CN 204819336 U CN204819336 U CN 204819336U CN 201520525198 U CN201520525198 U CN 201520525198U CN 204819336 U CN204819336 U CN 204819336U
- Authority
- CN
- China
- Prior art keywords
- core rod
- oily core
- balloon
- bolt shape
- location
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model relates to an atress evenly and the it tightly overlaps expansion instrument to rise who easily resets, describe oily mold core including the bolt, it penetrates the pipeline positioning circle of taking a seat on the head terminal surface of oily mold core was described to the bolt to describe oily mold core one end from the bolt, described at the bolt that the cover being equipped with the inflation drum between the internal surface of screw section and the pipeline positioning circle of oily mold core, inflation drum outside cover is equipped with the inflation cover, the screw section end that oily mold core was described to the bolt is the screw end, threaded connection compresses tightly the cover on it, it is fluted that the screw section middle part of oily mold core was described to the bolt, it has the oil outlet to open in the recess, the bolt described to open on the head up end of oily mold core to be had into the oilhole, the oil outlet link up through inside oil circuit with the income oilhole mutually, the groove position who corresponded oily mold core on the ring internal surface of inflation drum is equipped with the recess equally, small integral size, portable and easy operation, than wedge it tightly overlaps expansion instrument to rise, the atress is even, long service life, the problem of toper portion card in the voussoir can not appear, easily reset.
Description
Technical field
The utility model belongs to steel and moulds Manifold technology field, relates to a kind of expansion sleeve extension fixture, the expansion sleeve expansion tool particularly relating to a kind of uniform force and easily reset.
Background technology
In the middle of daily life, conveying liquid pipeline application widely, in order to protect pipeline; extend the service life of pipeline; pipeline pipe end can arrange protection ring or expansion sleeve usually, and expansion sleeve needs the compression of being undertaken at pipe end by expansion sleeve extension fixture, is fixed on pipeline pipe end.It is comparatively large that existing expansion sleeve extension fixture has plenty of volume, not portable and operation; Some volumes are little; to be exerted all one's strength by wedge shape the feature of break-in; straight line force is made to become radial load; such as in the expansion tool compressing expansion sleeve; have expansion tool to promote tapered portion by linear drive apparatus to move to voussoir; make voussoir carry out radial overhanging drive flexible fastening block, thus tensioner is carried out to protection ring or expansion sleeve.
But Wedging inserts voussoir to extension fixture linear drive apparatus, wedge block movement drives in flexible fastening block process, discontinuity, and after using, tapered portion is clipped in voussoir, not easily resets, and easy damaged device.
Summary of the invention
The utility model to the unbalance stress existed, the not easily problem such as reset and easy damaged for Wedging, provides a kind of uniform force and easily resets and the expansion sleeve expansion tool of long service life.
The utility model is achieved in that
A kind of expansion sleeve expansion tool, comprises bolt shape and crosses oily core rod, crosses one end of oily core rod penetrate and be landed in bolt shape and cross location of pipeline circle the head end of oily core rod from bolt shape, it is characterized in that:
Cross between the threaded shank of oily core rod and the inner surface of location of pipeline circle at bolt shape and be set with balloon, expansion sleeve is set with again in the outside of balloon, the termination that bolt shape crosses the threaded shank of oily core rod is screwed threaded end, this threaded end is threaded with the clamping sleeve of internal thread, expansion sleeve is pressed on the end face of location of pipeline circle by clamping sleeve, again balloon is pressed on bolt shape and crosses in the head end of oily core rod;
Have a circle groove in the middle part of the threaded shank that bolt shape crosses oily core rod, in this groove, have oil outlet, the head upper surface that bolt shape crosses oily core rod has into oilhole, oil outlet with enter the oil circuit that oilhole crosses oily core rod inside through bolt shape and connect;
The balloon be tightly placed on oily core rod is circular expandable material, and on the circle ring inner surface of balloon, the corresponding groove location crossing oily core rod is provided with groove equally.
Described location of pipeline circle is circular location of pipeline circle, an end face of location of pipeline circle offers groove, the head lower surface that bolt shape crosses oily core rod is landed in this groove, simultaneously under the effect of clamping sleeve, clamping sleeve compresses expansion sleeve, makes bolt shape cross the head lower surface of oily core rod and this groove closely cooperates; Another end face of described location of pipeline circle is provided with an annulus platform, the expansion sleeve carrying out tensioner on pipeline is needed to be sleeved on the cylindrical circumferential surface of this annulus platform, the external diameter of this annulus platform is less than the internal diameter of expansion sleeve, the external diameter of expansion sleeve is identical with the external diameter of this annulus platform, the inner circle circumferential surface of this annulus platform is the inner surface of location of pipeline circle, and balloon is closely plugged on bolt shape and crosses between the threaded shank of oily core rod and the inner surface of location of pipeline circle.
Described clamping sleeve is a kind of circular nut, side end face offers circular groove to annulus one, balloon is closely through after bolt shape crosses the threaded shank of oily core rod and inserts in this circular groove, the inner surface of this circular groove is combined with the intimate of balloon, and the circular nut internal thread of clamping sleeve and bolt shape cross the outer silk threaded engagement of threaded shank of oily core rod.
Be provided with steel ring in groove on the circle ring inner surface of described balloon, steel ring correspondence enters oilhole and offers balloon fuel feed hole.
Expansion sleeve and balloon are all elastomeric materials.
The utility model has following good effect: overall volume is little, is easy to carry and easy to operate; Comparatively wedge shape expansion sleeve expansion tool, uniform force, long service life; There will not be tapered portion to be stuck in problem in voussoir, easily reset.
Accompanying drawing explanation
Fig. 1 is the outline drawing of the utility model expansion sleeve expansion tool.
Fig. 2 is the structure chart of the utility model expansion sleeve expansion tool.
Fig. 3 is the front view of the oily core rod of mistake of the utility model expansion sleeve expansion tool.
Fig. 4 is the schematic perspective view of the oily core rod of mistake of the utility model expansion sleeve expansion tool.
Fig. 5 is the front view of the pipe centring ring of the utility model expansion sleeve expansion tool.
Fig. 6 is the schematic perspective view of the pipe centring ring of the utility model expansion sleeve expansion tool.
Fig. 7 is the front view of the clamping sleeve of the utility model expansion sleeve expansion tool.
Fig. 8 is the schematic perspective view of the clamping sleeve of the utility model expansion sleeve expansion tool.
Be labeled as in figure: 1, bolt shape crosses oily core rod; 2, location of pipeline circle; 3, expansion sleeve; 4, balloon; 5, steel ring; 6, clamping sleeve; 7, oilhole is entered; 8, oil-piping is crossed; 9, go out porose; 10, expansion blasts oilhole.
Specific embodiment
As shown in Figure 1, 2, a kind of expansion sleeve expansion tool that the utility model provides, comprise bolt shape cross oily core rod 1(or be called that T-shaped crosses oily core rod), one end of crossing oily core rod 1 from bolt shape penetrates and is landed in bolt shape and crosses location of pipeline circle 2 the head lower surface of oily core rod 1, it is characterized in that:
Cross between the threaded shank of oily core rod 1 and the inner surface of location of pipeline circle 2 at bolt shape and be set with balloon 4, expansion sleeve 3 is set with again in the outside of balloon 4, the termination that bolt shape crosses the threaded shank of oily core rod 1 is screwed threaded end, this threaded end is threaded with the clamping sleeve 6 of internal thread, expansion sleeve 3 is pressed on the end face of location of pipeline circle 2 by clamping sleeve 6, again balloon 4 is pressed on bolt shape and crosses in the head end of oily core rod 1; Here balloon 4 can also play the sealing function that bolt shape crosses faying face between the head lower surface of oily core rod 1 and location of pipeline circle 2, and clamping sleeve 6 and bolt shape cross oily core rod 1 threaded shank between the sealing function of faying face.
Have a circle groove in the middle part of the threaded shank that bolt shape crosses oily core rod 1, in this groove, have oil outlet 9, the head upper surface that bolt shape crosses oily core rod 1 has into oilhole 7, oil outlet 9 with enter the oil circuit that oilhole 7 crosses oily core rod 1 inside through bolt shape and connect;
The balloon 4 be tightly placed on oily core rod 1 is circular expandable material, and on the circle ring inner surface of balloon 4, the corresponding groove location crossing oily core rod 1 is provided with groove equally.
Described location of pipeline circle 2 is circular location of pipeline circle, an end face of location of pipeline circle 2 offers groove, the head lower surface that bolt shape crosses oily core rod 1 is landed in this groove, simultaneously under the effect of clamping sleeve 6, clamping sleeve 6 compresses expansion sleeve 3, makes bolt shape cross the head lower surface of oily core rod 1 and this groove closely cooperates; Another end face of described location of pipeline circle 2 is provided with an annulus platform, the expansion sleeve carrying out tensioner on pipeline is needed to be sleeved on the cylindrical circumferential surface of this annulus platform, the external diameter of this annulus platform is less than the internal diameter of expansion sleeve, the external diameter of expansion sleeve 3 is identical with the external diameter of this annulus platform, the inner circle circumferential surface of this annulus platform is the inner surface of location of pipeline circle 2, balloon 4 be closely plugged on that bolt shape crosses oily core rod 1 between threaded shank and the inner surface of location of pipeline circle 2.
Described clamping sleeve 6 is a kind of circular nut, and side end face offers circular groove to annulus one, expands
Drum 4 is closely through after bolt shape crosses the threaded shank of oily core rod 1 and inserts in this circular groove, and the inner surface of this circular groove is combined with the intimate of balloon 4, and the circular nut internal thread of clamping sleeve 6 and bolt shape cross the outer silk threaded engagement of threaded shank of oily core rod 1.
Be provided with steel ring 5 in groove on the circle ring inner surface of described balloon 4, steel ring 5 correspondence enters oilhole 7 and offers balloon fuel feed hole 10.Expansion sleeve 3 and balloon 4 are all elastomeric materials.
Overall structure as shown in Figure 2, balloon 3 is overlapped one end in clamping sleeve 6 circular groove, expansion sleeve 3 is enclosed within balloon 4, then location of pipeline circle 2 is enclosed within balloon 3 other end, then oily core rod 1 threaded shank is passed location of pipeline circle 2 and balloon 4, by the screw thread on the screw thread of threaded shank head and clamping sleeve 6, rotate and be fixed on clamping sleeve 6, the head that at this moment bolt shape crosses oily core rod 1 is placed on annulus place, location of pipeline circle 2 outer.
During use, expansion sleeve is sleeved on whole device, namely suit is on the excircle of clamping sleeve 6, expansion sleeve 3 and location of pipeline circle 2, expansion sleeve 3 suit of expansion sleeve expansion tool of the present utility model is on balloon 4, and the end face of location of pipeline circle 2 limits the end of expansion sleeve, then passes through to inject oil pressure into oilhole 7, oil pressure makes balloon expand, drive expansion sleeve, then drive expansion sleeve, make expansion sleeve entangle pipe end at water-supply-pipe pipeline firm.After using, by the mode of unloading oil pressure, balloon is resetted.
Claims (5)
1. an expansion sleeve expansion tool, comprises bolt shape and crosses oily core rod (1), crosses one end of oily core rod (1) penetrate and be landed in bolt shape and cross location of pipeline circle (2) the head end of oily core rod (1) from bolt shape, it is characterized in that:
Cross between the threaded shank of oily core rod (1) and the inner surface of location of pipeline circle (2) at bolt shape and be set with balloon (4), expansion sleeve (3) is set with again in the outside of balloon (4), the termination that bolt shape crosses the threaded shank of oily core rod (1) is screwed threaded end, this threaded end is threaded with the clamping sleeve (6) of internal thread, expansion sleeve (3) is pressed on the end face of location of pipeline circle (2) by clamping sleeve (6), again balloon (4) is pressed on bolt shape and crosses in the head end of oily core rod (1);
A circle groove is had in the middle part of the threaded shank that bolt shape crosses oily core rod (1), oil outlet (9) is had in this groove, the head upper surface that bolt shape crosses oily core rod (1) has into oilhole (7), oil outlet (9) with enter the oil circuit that oilhole (7) crosses oily core rod (1) inner through bolt shape and connect;
The balloon (4) be tightly placed on oily core rod (1) is circular expandable material, and on the circle ring inner surface of balloon (4), the corresponding groove location crossing oily core rod (1) is provided with groove equally.
2. expansion sleeve expansion tool as described in claim 1, it is characterized in that: described location of pipeline circle (2) is circular location of pipeline circle, an end face of location of pipeline circle (2) offers groove, the head lower surface that bolt shape crosses oily core rod (1) is landed in this groove, simultaneously under the effect of clamping sleeve (6), clamping sleeve (6) compresses expansion sleeve (3), makes bolt shape cross the head lower surface of oily core rod (1) and this groove closely cooperates; Another end face of described location of pipeline circle (2) is provided with an annulus platform, the expansion sleeve carrying out tensioner on pipeline is needed to be sleeved on the cylindrical circumferential surface of this annulus platform, the external diameter of this annulus platform is less than the internal diameter of expansion sleeve, the external diameter of expansion sleeve (3) is identical with the external diameter of this annulus platform, the inner circle circumferential surface of this annulus platform is the inner surface of location of pipeline circle (2), and balloon (4) is closely plugged on bolt shape and crosses between the threaded shank of oily core rod (1) and the inner surface of location of pipeline circle (2).
3. expansion sleeve expansion tool as described in claim 1, is characterized in that: described clamping sleeve (6)
For the circular nut of one, side end face offers circular groove to annulus one, balloon (4) is closely through after bolt shape crosses the threaded shank of oily core rod (1) and inserts in this circular groove, the inner surface of this circular groove is combined with the intimate of balloon (4), and the circular nut internal thread of clamping sleeve (6) and bolt shape cross the outer silk threaded engagement of threaded shank of oily core rod (1).
4. expansion sleeve expansion tool as described in claim 1, it is characterized in that: be provided with steel ring (5) in the groove on the circle ring inner surface of described balloon (4), steel ring (5) correspondence enters oilhole (7) and offers balloon fuel feed hole (10).
5. expansion sleeve expansion tool as described in claim 1, is characterized in that: expansion sleeve (3) and balloon (4) are all elastomeric materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520525198.5U CN204819336U (en) | 2015-07-20 | 2015-07-20 | It tightly overlaps expansion instrument to rise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520525198.5U CN204819336U (en) | 2015-07-20 | 2015-07-20 | It tightly overlaps expansion instrument to rise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204819336U true CN204819336U (en) | 2015-12-02 |
Family
ID=54676977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520525198.5U Expired - Fee Related CN204819336U (en) | 2015-07-20 | 2015-07-20 | It tightly overlaps expansion instrument to rise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204819336U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331823A (en) * | 2018-01-11 | 2018-07-27 | 辽宁科技大学 | A kind of hydraulic pressure superposition valve block connection bolt |
| CN110345231A (en) * | 2019-07-09 | 2019-10-18 | 中国航发哈尔滨东安发动机有限公司 | A kind of thrust disc structure |
-
2015
- 2015-07-20 CN CN201520525198.5U patent/CN204819336U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331823A (en) * | 2018-01-11 | 2018-07-27 | 辽宁科技大学 | A kind of hydraulic pressure superposition valve block connection bolt |
| CN110345231A (en) * | 2019-07-09 | 2019-10-18 | 中国航发哈尔滨东安发动机有限公司 | A kind of thrust disc structure |
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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: 20151202 |