CN104044108A - Oil seal pulling device - Google Patents
Oil seal pulling device Download PDFInfo
- Publication number
- CN104044108A CN104044108A CN201310082241.0A CN201310082241A CN104044108A CN 104044108 A CN104044108 A CN 104044108A CN 201310082241 A CN201310082241 A CN 201310082241A CN 104044108 A CN104044108 A CN 104044108A
- Authority
- CN
- China
- Prior art keywords
- oil sealing
- chuck
- slide bar
- taper surface
- sliding sleeve
- 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.)
- Granted
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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
- B25B27/0028—Tools for removing or installing seals
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The invention discloses an oil seal pulling device. The oil seal pulling device comprises a clamping sleeve, a slide sleeve and a pulling element, wherein the slide sleeve sleeves the clamping sleeve; the pulling element is tightly connected with the clamping sleeve in the axial direction; at least two elastic clamping blocks are fixedly arranged at the front end of the clamping sleeve; the outer surfaces of the elastic clamping blocks are first conical surfaces; the inner wall of the front end of the slide sleeve is a second conical surface; the second conical surface is matched with the first conical surfaces. When the slide sleeve moves to the front end of the clamping sleeve, the second conical surface extrudes the first conical surfaces to make the elastic clamping blocks close to the clamping sleeve in the radial direction so as to clamp an oil seal to be pulled, and then the oil seal can be conveniently and quickly pulled out by driving power provided by the pulling element.
Description
Technical field
The present invention relates to machine components dismantling device field, particularly a kind of oil sealing pulling attachment.
Background technology
Oil sealing is the mechanical organ for oil sealing, be generally will in movable part, need lubricated element and miscellaneous part isolation, be unlikely to allow oil seepage, such as valve oil seal.
If when engine is opened and inspect because existing assembly quality or parts quality problems to reprocess, valve oil seal need to be pulled out from valve guide rod, at present, remove valve oil seal and generally adopt the instruments such as bottle opener, hawkbill.
Due to valve oil seal when mounted, mostly sink to cylinder lid surface and the space of surrounding of oil sealing be installed very little, adopt bottle opener and hawkbill to be difficult to oil sealing to pull out, and, in tearing the process of pulling out valve oil seal open, be easy to the cylinder lid surface of damaging.While labor intensive, inefficiency.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, and a kind of oil sealing pulling attachment is provided, and oil sealing is easily extracted, and instrument is simple, easy to use.
For achieving the above object, the invention provides a kind of oil sealing pulling attachment, comprising: chuck, its front end is provided with at least two elastic fixture blocks, and the outer surface of elastic fixture block is the first taper surface; Sliding sleeve, it is sleeved on chuck, and sliding sleeve front inner wall is the second taper surface, and the second taper surface coordinates with the first taper surface, when sliding sleeve is during to chuck nose motion, the second taper surface pushes the first taper surface makes elastic fixture block radially draw close, form the clamping of chuck to oil sealing to chuck; Pull out and draw element, itself and chuck are fastenedly connected in the axial direction, for chuck provides to pull out, draw driving force.
In technique scheme, elastic fixture block is 3-8, and is symmetrical.Fixture block is symmetrical can guarantee that chuck, when clamping oil sealing, applies uniform radial pressure to oil sealing, is unlikely to damage oil sealing itself; Pulling out while drawing and can applying uniform axial tension to oil sealing, so conveniently extract oil sealing.
In technique scheme, elastic fixture block is provided with inwardly protruded projection at chuck front end, pulls out while drawing chuck, and projection and oil sealing end face connect.By projection is set, make to be pulled through in journey pulling out, oil sealing can not come off easily.
In technique scheme, pull out and draw element to comprise slide bar, sliding hammer, locking nut, sliding hammer is enclosed within on slide bar; At slide bar, connect chuck one end and be provided with boss, at the slide bar other end, be provided with screw thread, locking nut is contained on slide bar by screw thread, pulls out the front end face of locking nut while drawing as the stress surface of sliding hammer.By sliding hammer is set on slide bar, by sliding hammer, to the shock of locking nut, provide pulling force, need to not pull out and draw by external force.
In technique scheme, chuck rear end is provided with bolt, and slide bar front end is provided with the columnar part with screw, and bolt coordinates with screw, and columnar part outside cover has spring; Or chuck rear end is provided with the columnar part with screw, slide bar front end is provided with bolt, and screw coordinates with bolt, and columnar part outside cover has spring.By spring is set, can guarantees that the second taper surface on sliding sleeve pushes the first taper surface on elastic fixture block constantly, thereby guarantee pulling out the journey Elastic fixture block state in clamping oil sealing constantly that is pulled through.
In technique scheme, one end butt boss of spring, spring other end butt sliding sleeve.
Compared with prior art, the present invention has following beneficial effect:
1. the chuck in the present invention can clamp oil sealing easily, easily takes out oil sealing, can not damage oil sealing itself, also can not scratch cylinder lid.
2. at least two elastic fixture blocks in the present invention and be uniformly distributed design, can radially apply uniform pressure to oil sealing, are unlikely to damage oil sealing; Be pulled through in journey pulling out, can apply uniform axial tension to oil sealing, conveniently extract oil sealing.
3. the projection in the present invention is connected to the front end face of oil sealing when chuck clamps oil sealing, is not easy to come off pulling out oil sealing while drawing.
4. the spring in the present invention clamps after oil sealing at chuck, all the time in compressive state, guarantee that the second taper surface on sliding sleeve pushes the first taper surface on elastic fixture block constantly, thereby guarantee pulling out the journey Elastic fixture block state in clamping oil sealing constantly that is pulled through, can guarantee that oil sealing can not come off in the process of choosing, and raises the efficiency.
5. the sliding hammer in the present invention is repeatedly clashed into the locking nut of slide bar tail end in the process of choosing, and like this can
To provide pulling force by instrument self, need to be by external force.
Accompanying drawing explanation
Fig. 1 is chuck, sliding sleeve and pull out and draw element connection diagram in oil sealing pulling attachment of the present invention;
Fig. 2 is chuck cutaway view in the present invention;
Fig. 3 is the right view of chuck in the present invention;
Fig. 4 is the cutaway view of sliding sleeve in the present invention;
Fig. 5 is the right view of sliding sleeve in the present invention;
Fig. 6 is that a kind of the present invention pulls out the cutaway view that draws element;
Fig. 7 is a kind of oil sealing pulling attachment cutaway view of the present invention;
Fig. 8 is the cutaway view that a kind of oil sealing pulling attachment of the present invention clamps valve oil seal.
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-chuck, 11-elastic fixture block, 12-projection, 13-bolt, 14-the first taper surface, 2-sliding sleeve, 21-the second taper surface, 3-pulls out and draws element, 31-slide bar, 32-boss, 33-columnar part, 34-screw, 35 bolts, 36-locking nut, 37-sliding hammer, 4-spring, 5-oil sealing, 6-valve guide rod, 7-cylinder head.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of the specific embodiment.
As shown in Figure 1, as a kind of oil sealing pulling attachment of the present invention, comprise: chuck 1, sliding sleeve 2 and pull out and draw element 3, sliding sleeve 2 to be set on chuck 1, chuck 1 draws element 3 to be fastenedly connected in the axial direction with pulling out.Oil sealing pulling attachment of the present invention is mainly by being used in conjunction with of chuck 1 and sliding sleeve 2, and makes chuck 1 clamp oil sealing to be chosen, and then by the driving force of drawing element 3 to provide is provided, extracts oil sealing.
As shown in Figures 2 and 3, the front end of the chuck 1 in the present invention is provided with at least two elastic fixture blocks 11, is preferably 3-8, and the position of elastic fixture block 11 should evenly arrange, and assurance elastic fixture block 11 is treated the oil sealing of choosing and applied uniform radial pressure.Embodiments of the invention be take four elastic fixture blocks 11 and are described in detail as example.The outer surface of elastic fixture block 11 is the first taper surface 14.As a kind of decision design, front end at elastic fixture block 11 is provided with inwardly protruded projection 12, at elastic fixture block 11, clamps when choosing oil sealing, and projection 12 is just connected to the front end of oil sealing to be chosen, can guarantee firmly to clamp oil sealing pulling out in being pulled through journey, make oil sealing be not easy to come off.
As shown in Figures 4 and 5, the front inner wall of the sliding sleeve 2 in the present invention is the second taper surface 21, the second taper surface 21 coordinates with above-mentioned the first taper surface 14, when sliding sleeve 2 is during to chuck 1 nose motion, second taper surface 21 extruding the first taper surfaces 14 make elastic fixture block 11 radially draw close to chuck 1, form the clamping of 1 pair of oil sealing of chuck.
Further as shown in Figure 6, as pulling out in a kind of the present invention, draw element 3 to comprise slide bar 31, sliding hammer 37 and locking nut 36, sliding hammer 37 is enclosed within on slide bar 31 and can horizontally slips, at slide bar 31, connect chuck 1 one end and be provided with boss 32, at slide bar 31 other ends, be provided with screw thread 35, locking nut 36 is contained on slide bar 31 by screw thread 35.Backing out locking nut 36 can pull down sliding hammer 37 from slide bar 31, in pulling out the process of drawing, locking nut 36 can limit sliding hammer 37 and come off from slide bar 31, it before the front end of locking nut 36, is the stress surface that sliding hammer is clashed into simultaneously, like this, the impact of sliding hammer 37 can impose on chuck 1 by locking nut 36 and slide bar 31, thereby chuck 1 is extracted oil sealing to be chosen.
Further as shown in Figure 7, the mode of drawing element 3 and chuck 1 to be fastenedly connected in the axial direction as pulling out in a kind of the present invention, can bolt 13 be set in chuck 1 one end, at slide bar 31 front ends, be provided with the columnar part 33 with screw 34 simultaneously, bolt 13 coordinates with screw 34, can and pull out and draw element 3 to be fastenedly connected in the axial direction chuck 1 like this.Certainly, also can be provided with the columnar part with screw in chuck 1 one end, at slide bar 31 front ends, be provided with bolt, can and pull out and draw element 3 to be fastenedly connected in the axial direction chuck 1 equally simultaneously.The embodiment of the present invention also comprises a spring 4, and spring 4 is enclosed within above-mentioned columnar part 33, and spring 4 two ends are butt boss 32 and sliding sleeve 2 respectively; Or after spring 4 is enclosed within columnar part 33, spring 4 one end can be fixedly connected with boss 32, simultaneously with sliding sleeve 2 butts; Or after spring 4 is enclosed within columnar part 33, spring 4 one end can be fixedly connected with sliding sleeve 2, simultaneously with boss 32 butts.In a word, spring 4 is when free state, and the first taper surface 14 of the second taper surface 21 extruding elastic fixture blocks 11 of sliding sleeve 2, makes elastic fixture block 11 to radially the drawing close of chuck 1, and treats the oil sealing of choosing in clamped condition.
Below for using the choose concrete operations explanation of valve oil seal of a kind of oil sealing pulling attachment of the present invention:
First be noted that: a kind of oil sealing pulling attachment provided by the invention can also can be chosen to being similar to other oil sealing of valve oil seal, existing take the valve oil seal of choosing and be illustrated as example.
As shown in Figure 8, valve guide rod 6 is fitted in cylinder head 7, valve oil seal 5 is fitted on valve guide rod 6, before the oil sealing of choosing, first utilize manually promotion sliding sleeve 2 Compress Springs 4 to move backward, elastic fixture block 11 on chuck 1 opens under the elastic force of himself outside circumference, then, valve oil seal 5 is inserted in elastic fixture block 11, unclamp sliding sleeve 2, sliding sleeve 2 moves forward under the promotion of spring force, the first taper surface 14 of the second taper surface 21 extruding elastic fixture blocks 11 of sliding sleeve 2, thereby make elastic fixture block 11 clamp oil sealing 5 to radially drawing close of chuck 1, elastic fixture block 11 drives projection 12 to come closer, thereby make projection 12 on elastic fixture block 11 be stuck in the front end of oil sealing 5, during drawing oil sealing, the sliding hammer 37 of repeatedly sliding on slide bar 31, sliding hammer 37 is clashed into the locking nut 36 of slide bar 31 rear ends repeatedly, under the effect of impact, drive chuck 1, elastic fixture block 11 moves relative to cylinder head 7, thereby make oil sealing 5 and oil seal seat produce displacement and reach the object of extracting oil sealing 5.
Disclosed is above only specific embodiments of the invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (8)
1. an oil sealing pulling attachment, is characterized in that, comprising:
Chuck, its front end is provided with at least two elastic fixture blocks, and the outer surface of described elastic fixture block is the first taper surface;
Sliding sleeve, it is sleeved on described chuck, described sliding sleeve front inner wall is the second taper surface, described the second taper surface coordinates with described the first taper surface, when described sliding sleeve is during to described chuck nose motion, described the second taper surface pushes described the first taper surface makes described elastic fixture block radially draw close, form the clamping of chuck to oil sealing to described chuck;
Pull out and draw element, itself and described chuck are fastenedly connected in the axial direction, for described chuck provides to pull out, draw driving force.
2. oil sealing pulling attachment according to claim 1, is characterized in that, described elastic fixture block is 3-8, and is symmetrical.
3. oil sealing pulling attachment according to claim 2, is characterized in that, described elastic fixture block is provided with inwardly protruded projection at described chuck front end, pulls out while drawing described chuck, and described projection and oil sealing end face connect.
4. oil sealing pulling attachment according to claim 1, is characterized in that, described in pull out and draw element to comprise slide bar, sliding hammer and locking nut, described sliding hammer is enclosed within on described slide bar;
At described slide bar, connect described chuck one end and be provided with boss, at the described slide bar other end, be provided with screw thread, described locking nut is contained on described slide bar by described screw thread, pulls out the front end face of locking nut while drawing as the stress surface of described sliding hammer.
5. oil sealing pulling attachment according to claim 4, is characterized in that, described chuck rear end is provided with bolt, and described slide bar front end is provided with the columnar part with screw, and described bolt coordinates with screw, and described columnar part outside cover has spring.
6. oil sealing pulling attachment according to claim 5, is characterized in that, boss described in one end butt of described spring, sliding sleeve described in described spring other end butt.
7. according to the oil sealing pulling attachment of claim 4, it is characterized in that, described chuck rear end is provided with the columnar part with screw, and described slide bar front end is provided with bolt, and described screw coordinates with bolt, and described columnar part outside cover has spring.
8. oil sealing pulling attachment according to claim 7, is characterized in that, boss described in one end butt of described spring, sliding sleeve described in described spring other end butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310082241.0A CN104044108B (en) | 2013-03-14 | 2013-03-14 | Oil sealing pulling attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310082241.0A CN104044108B (en) | 2013-03-14 | 2013-03-14 | Oil sealing pulling attachment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104044108A true CN104044108A (en) | 2014-09-17 |
| CN104044108B CN104044108B (en) | 2016-04-27 |
Family
ID=51497754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310082241.0A Active CN104044108B (en) | 2013-03-14 | 2013-03-14 | Oil sealing pulling attachment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104044108B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308797A (en) * | 2014-10-28 | 2015-01-28 | 中国石油集团西部钻探工程有限公司 | Pressing sleeve type barrel jaw pull-out tool |
| CN109333449A (en) * | 2018-12-08 | 2019-02-15 | 广西玉柴机器股份有限公司 | A kind of engine oil seal provision for disengagement |
| CN112296926A (en) * | 2020-11-12 | 2021-02-02 | 江南工业集团有限公司 | Power device rear cover and shell assembling and disassembling device and operation method thereof |
| CN114619396A (en) * | 2020-12-11 | 2022-06-14 | 中国航发商用航空发动机有限责任公司 | Assembling and disassembling tool |
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| US6427303B1 (en) * | 2000-08-28 | 2002-08-06 | Mcconnell Robert | Glow plug pulling device |
| CN2792717Y (en) * | 2005-04-21 | 2006-07-05 | 申景舟 | Air door valve stem oil-seal dismounting tool of engine |
| US20060272140A1 (en) * | 2005-06-01 | 2006-12-07 | Kang Hsin F | Positioning pin removing tool for vehicles |
| CN201287316Y (en) * | 2008-11-08 | 2009-08-12 | 湖南特力液压有限公司 | Sleeve puller |
| CN201524997U (en) * | 2009-11-16 | 2010-07-14 | 东风汽车股份有限公司 | Special pin pulling assistive device for blind pin |
| CN202088172U (en) * | 2011-08-26 | 2011-12-28 | 镇江中船设备有限公司 | Rod piece pulling device |
| CN202241118U (en) * | 2011-10-20 | 2012-05-30 | 上海大屯能源股份有限公司 | Internal expanding impulse type puller |
| CN203141408U (en) * | 2013-03-14 | 2013-08-21 | 广西玉柴机器股份有限公司 | Oil seal pulling-out device |
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2013
- 2013-03-14 CN CN201310082241.0A patent/CN104044108B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6427303B1 (en) * | 2000-08-28 | 2002-08-06 | Mcconnell Robert | Glow plug pulling device |
| CN2792717Y (en) * | 2005-04-21 | 2006-07-05 | 申景舟 | Air door valve stem oil-seal dismounting tool of engine |
| US20060272140A1 (en) * | 2005-06-01 | 2006-12-07 | Kang Hsin F | Positioning pin removing tool for vehicles |
| CN201287316Y (en) * | 2008-11-08 | 2009-08-12 | 湖南特力液压有限公司 | Sleeve puller |
| CN201524997U (en) * | 2009-11-16 | 2010-07-14 | 东风汽车股份有限公司 | Special pin pulling assistive device for blind pin |
| CN202088172U (en) * | 2011-08-26 | 2011-12-28 | 镇江中船设备有限公司 | Rod piece pulling device |
| CN202241118U (en) * | 2011-10-20 | 2012-05-30 | 上海大屯能源股份有限公司 | Internal expanding impulse type puller |
| CN203141408U (en) * | 2013-03-14 | 2013-08-21 | 广西玉柴机器股份有限公司 | Oil seal pulling-out device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308797A (en) * | 2014-10-28 | 2015-01-28 | 中国石油集团西部钻探工程有限公司 | Pressing sleeve type barrel jaw pull-out tool |
| CN104308797B (en) * | 2014-10-28 | 2016-04-06 | 中国石油集团西部钻探工程有限公司 | Gland formula cylinder pawl pulls out pull tool |
| CN109333449A (en) * | 2018-12-08 | 2019-02-15 | 广西玉柴机器股份有限公司 | A kind of engine oil seal provision for disengagement |
| CN109333449B (en) * | 2018-12-08 | 2024-04-12 | 广西玉柴机器股份有限公司 | Engine oil seal dismounting device |
| CN112296926A (en) * | 2020-11-12 | 2021-02-02 | 江南工业集团有限公司 | Power device rear cover and shell assembling and disassembling device and operation method thereof |
| CN114619396A (en) * | 2020-12-11 | 2022-06-14 | 中国航发商用航空发动机有限责任公司 | Assembling and disassembling tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104044108B (en) | 2016-04-27 |
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