CN104097180B - A kind of covering device of getting for sleeve - Google Patents
A kind of covering device of getting for sleeve Download PDFInfo
- Publication number
- CN104097180B CN104097180B CN201410315034.XA CN201410315034A CN104097180B CN 104097180 B CN104097180 B CN 104097180B CN 201410315034 A CN201410315034 A CN 201410315034A CN 104097180 B CN104097180 B CN 104097180B
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- CN
- China
- Prior art keywords
- sleeve
- pipe
- sleeve pipe
- mouth
- tapered cup
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
Abstract
The invention provides a kind of covering device of getting for sleeve, comprising: conehead screw rod (4), sleeve pipe (5) and tapered cup nut (6); The mouth of pipe place, two ends of described sleeve pipe (5) all offers several bar-shaped troughs along its axis, and this sleeve pipe (5) is nested on the outer wall of conehead screw rod (4); One end of described conehead screw rod (4) is conical head, its other end is cheese head, the gap of this cheese head and sleeve pipe (5) mouth of pipe is arranged with tapered cup nut (6), described tapered cup nut (6) is provided with cone point, this cone point is relative with the mouth of pipe of sleeve pipe (5), and by the screw thread on tapered cup nut (6), this cone point is screwed in the mouth of pipe, make the mouth of pipe of sleeve pipe (5) be subject to the extruding of cone point and expand. Utilize the above-mentioned covering device of getting, can realize and extract quickly and efficiently the sleeve assembling in inner hole of workpiece, can ensure that workpiece is not damaged, also improved production efficiency, reduced production cost simultaneously.
Description
Technical field
The present invention relates to field of mechanical technique, relate in particular to a kind of covering device of getting for sleeve.
Background technology
In mechanical processing industry, often can run into situation about sleeve need to be taken out from workpiece body endoporus. IfThe large or body endoporus in gap between body endoporus and sleeve is clear opening, can comparatively simply sleeve be taken out. ButWhen body endoporus is blind hole (or stepped hole), and with sleeve be interference fits (or getting rusty in hole), and endoporus and sleeve cylindricalDuring for the situation of sealing ring sealing; Adopt common method to be difficult to sleeve to take out smoothly. As shown in Figure 1, in figure from a left side extremelyPart on the right side and do not listed three kinds of special circumstances that sleeve coordinates with body endoporus, that is: interference fits+blind hole, interference fits+stepsHole, seal+blind hole of sealing ring 3.
At present, for the situation of above-mentioned sleeve and the more difficult taking-up of body endoporus fit system, the method for mainly taking has gasThe method such as sleeve or machining of cutting is taken out sleeve, if adopt the method for gas cutting sleeve, because flame is difficult to control, easily makesWhen becoming flame to cut off sleeve, damage workpiece body, if adopt method (as: drilling reaming method or the boring reaming of machiningMethod remove sleeve), can increase machine tooling expense, especially adopt heavy duty machine tools expense can significantly increase. The above-mentioned cover of gettingMethod finally causes increasing production cost, reduces production efficiency, also may cause damage to workpiece body simultaneously.
Summary of the invention
The object of the invention is to, for solution adopts, existing sleeve extracting method is more difficult gets it from inner hole of workpieceGo out, or it is higher to get the cost that cover brings, and the technical problem of easily damaged workpiece body, a kind of suit of getting for sleeve is providedPut, utilize this to get covering device and can extract quickly and efficiently the sleeve assembling in inner hole of workpiece, solved inner hole of workpiece and coverThe situation that cylinder is difficult to take out sleeve in the situation that of complex match has improved operating efficiency simultaneously.
For achieving the above object, the invention provides a kind of covering device of getting for sleeve. Comprise: conehead screw rod, sleeve pipe andTapered cup nut; The mouth of pipe place, two ends of described sleeve pipe all offers several bar-shaped troughs along its axis, and this sleeve pipe is nested in conehead spiral shellOn the outer wall of bar; One end of described conehead screw rod is conical head, and its other end is cheese head, this cheese head and the sleeve pipe mouth of pipeGap be arranged with tapered cup nut, described tapered cup nut is provided with cone point, this cone point is relative with the mouth of pipe of sleeve pipe, andBy the screw thread on tapered cup nut, this cone point is screwed in the mouth of pipe, makes the mouth of pipe of sleeve pipe be subject to the extruding of cone point and swollenSwollen.
As the further improvement of technique scheme, described sleeve pipe is also established on the outer wall near tapered cup nut one endThere is fish scale button.
As the further improvement of technique scheme, the diameter of the conical head end of described conehead screw rod is less than sleeve holeFootpath 0.2mm～0.3mm, the tapering of this conehead screw rod is 15 °～20 °.
As the further improvement of technique scheme, the external diameter of described sleeve pipe is less than sleeve aperture 0.5mm～0.6mm,The wall thickness of this sleeve pipe is 1mm～1.5mm.
As the further improvement of technique scheme, described sleeve pipe is even along the mouth of pipe in the one end near tapered cup nutOffer four road bar-shaped troughs, it evenly offers three road bar-shaped troughs in the one end away from tapered cup nut along the mouth of pipe.
As the further improvement of technique scheme, the external diameter of the cone point head of described tapered cup nut is between coneheadBetween screw diameter and casing inner diameter, the tapering of this cone point is 15 °～20 °.
As the further improvement of technique scheme, the external diameter of the cone point afterbody of described tapered cup nut is greater than sleeve pipeInternal diameter 3mm～5mm.
A kind of advantage of getting covering device for sleeve of the present invention is:
Utilize the covering device of getting of the present invention, can realize and extract quickly and efficiently the sleeve assembling in inner hole of workpiece, noMust adopt again the methods such as gas cutting sleeve or machining, can ensure that workpiece is not damaged, also improve production efficiency, fall simultaneouslyLow production cost.
Brief description of the drawings
Fig. 1 is sleeve and inner hole of workpiece assembling form schematic diagram.
Fig. 2 of the present inventionly gets covering device schematic diagram for sleeve.
Fig. 3 of the present inventionly gets covering device cutaway view for sleeve.
Reference numeral
1, workpiece 2, sleeve 3, sealing ring
4, conehead screw rod 5, sleeve pipe 6, tapered cup nut
7, get covering device
Detailed description of the invention
Below in conjunction with drawings and Examples, a kind of covering device of getting for sleeve of the present invention is elaborated.
As shown in Figure 2, the covering device of getting for sleeve of the present invention, comprises conehead screw rod 4, sleeve pipe 5 and tapered cup nut 6.The mouth of pipe place, two ends of described sleeve pipe 5 all offers several bar-shaped troughs along its axis, this sleeve pipe 5 be nested in conehead screw rod 4 outsideOn wall; One end of described conehead screw rod 4 is conical head, and its other end is cheese head, between this cheese head and sleeve pipe 5 mouths of pipeGap is arranged with tapered cup nut 6, and described tapered cup nut 6 is provided with cone point, and this cone point is relative with the mouth of pipe of sleeve pipe 5, andBy the screw thread on tapered cup nut 6, this cone point is screwed in the mouth of pipe, makes the mouth of pipe of sleeve pipe 5 be subject to the extruding of cone point and swollenSwollen. Limit the movement of sleeve pipe 5 by the conical head of conehead screw rod 4 and the cooperation of tapered cup nut 6, to make this sleeve pipe 5 only can beMobile in scope between the two ends of conehead screw rod 4.
Based on above-mentioned structure of getting covering device, described conehead screw rod 4 should be determined relative dimensions according to sleeve aperture size, shouldThe diameter of the conical head end of conehead screw rod 4 should be than the little 0.2mm～0.3mm of sleeve 2 aperture size, simultaneously in order to ensure sleeve pipe 5Effectively expand, the tapering of conehead screw rod should be controlled at 15 °～20 °; Described sleeve pipe 5 external diameters should be determined according to sleeve aperture, this coverThe external diameter of pipe 5 should be than the sleeve 2 little 0.5mm～0.6mm in aperture, and its wall thickness should be controlled at 1mm～1.5mm, and should be in close taperOn the outer wall of nut 6 one end, process fish scale button, this fish scale button is laciniation, covering device rotates in sleeve preventing from getting orFrom sleeve 2, scurry out. Meanwhile, described sleeve pipe 5 is evenly offered four road bar-shaped troughs in the one end near tapered cup nut 6 along the mouth of pipe,It evenly offers three road bar-shaped troughs in the one end away from tapered cup nut 6 along the mouth of pipe. 6 of described tapered cup nuts should be according to conehead screw rod4 and sleeve pipe 5 determine cone point outside dimension, what the external diameter of this cone point head should be between conehead screw rod 4 diameters and sleeve pipe 5Between internal diameter, and the tapering of this cone point should be controlled at 15 °～20 °, and the external diameter of described cone point afterbody is greater than in sleeve pipe 5Footpath 3mm～5mm.
Utilizing foregoing invention to get covering device, to get the use procedure of sleeve as described below:
First, sleeve pipe 5 is nested on conehead screw rod 4, and pretension tapered cup nut 6 makes the sidewall of sleeve pipe 5 fish scale bucklesBe expanded to the size close with sleeve 2 apertures, because the bar-shaped trough number on sleeve pipe 5 fish scale buckle sidewalls is more than another of sleeve pipe 5End, first this fish scale buckle expands; Then, as shown in Figure 3, insert sleeve 2 by getting covering device 7 from a side of conical headIn, tapered cup nut 6 is exposed to outside the mouth of sleeve 2, and the tapered cup nut 6 that makes to screw up with a wrench, when tapered cup nut 6 is to sleeve pipe 5 inward turningsWhen tight, these sleeve pipe 5 upper ends are subject to the downward and outside pressure-acting that tapered cup nut 6 applies, and outside power makes on sleeve pipe 5End expands, and downward power moves down sleeve pipe 5, and the conical head effect that is subject to conehead screw rod 4 makes its lower end alsoExpand, now sleeve pipe 5 upper/lower terminals all expand and make in its endoporus that is squeezed in sleeve 2, and fish scale is buckled and preventedGet covering device 7 in the interior rotation of sleeve 2 or the effect of scurrying out from sleeve 2; Finally, utilize pin removal that sleeve 2 is pulled out from workpiece 1Go out.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described. Although ginsengAccording to embodiment, the present invention is had been described in detail, those of ordinary skill in the art should be appreciated that technical side of the present inventionCase is modified or is equal to replacement, does not depart from the spirit and scope of technical solution of the present invention, and it all should be encompassed in the present inventionClaim scope in the middle of.
Claims (6)
1. for the covering device of getting of sleeve, it is characterized in that, comprising: conehead screw rod (4), sleeve pipe (5) and tapered cup nut(6); This sleeve pipe (5) is nested on the outer wall of conehead screw rod (4); One end of described conehead screw rod (4) is conical head, its other endFor cheese head, the gap of this cheese head and sleeve pipe (5) mouth of pipe is arranged with tapered cup nut (6), and described tapered cup nut (6) is establishedHave cone point, this cone point is relative with the mouth of pipe of sleeve pipe (5), and by the screw thread on tapered cup nut (6) by this conical pointsEnd is screwed in the mouth of pipe, makes the mouth of pipe of sleeve pipe (5) be subject to the extruding of cone point and expand, and described sleeve pipe (5) is at close taper spiral shellFour road bar-shaped troughs are evenly offered along the mouth of pipe in the one end of female (6), and it is evenly offering three away from one end of tapered cup nut (6) along the mouth of pipeRoad bar-shaped trough.
2. the covering device of getting for sleeve according to claim 1, is characterized in that, described sleeve pipe (5) is at close coneOn the outer wall of shape nut (6) one end, be also provided with fish scale button.
3. the covering device of getting for sleeve according to claim 1, is characterized in that, the taper of described conehead screw rod (4)The diameter of cephalic par is less than sleeve (2) aperture 0.2mm～0.3mm, and the tapering of this conehead screw rod (4) is 15 °～20 °.
4. the covering device of getting for sleeve according to claim 1, is characterized in that, the external diameter of described sleeve pipe (5) is less thanSleeve (2) aperture 0.5mm～0.6mm, the wall thickness of this sleeve pipe (5) is 1mm～1.5mm.
5. the covering device of getting for sleeve according to claim 1, is characterized in that, the taper of described tapered cup nut (6)The external diameter of most advanced and sophisticated head between conehead screw rod (4) diameter and sleeve pipe (5) internal diameter, the tapering of this cone point be 15 °～20°。
6. the covering device of getting for sleeve according to claim 1, is characterized in that, the taper of described tapered cup nut (6)The external diameter of most advanced and sophisticated afterbody is greater than sleeve pipe (5) internal diameter 3mm～5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315034.XA CN104097180B (en) | 2014-07-03 | 2014-07-03 | A kind of covering device of getting for sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315034.XA CN104097180B (en) | 2014-07-03 | 2014-07-03 | A kind of covering device of getting for sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104097180A CN104097180A (en) | 2014-10-15 |
| CN104097180B true CN104097180B (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410315034.XA Active CN104097180B (en) | 2014-07-03 | 2014-07-03 | A kind of covering device of getting for sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104097180B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400735B (en) * | 2014-10-27 | 2017-01-18 | 西安航空动力股份有限公司 | Irregularly-shaped thin-walled bushing dismounting tool |
| CN111573508B (en) * | 2020-04-01 | 2023-04-07 | 武汉船用机械有限责任公司 | Moving device for oil pipe in shaft |
| CN113338913A (en) * | 2021-06-03 | 2021-09-03 | 中海油田服务股份有限公司 | Auxiliary splitting tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974734A (en) * | 1974-06-14 | 1976-08-17 | Maechtle Fritz | Expandable anchor stud |
| DE2951366A1 (en) * | 1979-12-20 | 1981-07-09 | Klöckner-Werke AG, 4100 Duisburg | Worn guide bushing extracting device - uses expanding bushing with radially projecting sharp edges |
| CN201916315U (en) * | 2011-01-18 | 2011-08-03 | 厉延明 | Expansion anchor stock |
| CN203993756U (en) * | 2014-07-03 | 2014-12-10 | 莱芜钢铁集团有限公司 | A kind of covering device of getting for sleeve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1785557C (en) * | 1989-10-30 | 1992-12-30 | Эдуард Николаевич Меликов | Puller bolt |
-
2014
- 2014-07-03 CN CN201410315034.XA patent/CN104097180B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974734A (en) * | 1974-06-14 | 1976-08-17 | Maechtle Fritz | Expandable anchor stud |
| DE2951366A1 (en) * | 1979-12-20 | 1981-07-09 | Klöckner-Werke AG, 4100 Duisburg | Worn guide bushing extracting device - uses expanding bushing with radially projecting sharp edges |
| CN201916315U (en) * | 2011-01-18 | 2011-08-03 | 厉延明 | Expansion anchor stock |
| CN203993756U (en) * | 2014-07-03 | 2014-12-10 | 莱芜钢铁集团有限公司 | A kind of covering device of getting for sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104097180A (en) | 2014-10-15 |
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