CN104044108B - Oil sealing pulling attachment - Google Patents
Oil sealing pulling attachment Download PDFInfo
- Publication number
- CN104044108B CN104044108B CN201310082241.0A CN201310082241A CN104044108B CN 104044108 B CN104044108 B CN 104044108B CN 201310082241 A CN201310082241 A CN 201310082241A CN 104044108 B CN104044108 B CN 104044108B
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- CN
- China
- Prior art keywords
- chuck
- oil sealing
- taper surface
- slide bar
- sliding sleeve
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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 a kind of oil sealing pulling attachment, comprise chuck, be sleeved on sliding sleeve on described chuck and draw element with pulling out of being fastenedly connected in the axial direction of described chuck; Described chuck front end is fixed with at least two elastic fixture blocks, the outer surface of described elastic fixture block is the first taper surface, the front inner wall of described sliding sleeve is the second taper surface, described second taper surface coordinates with described first taper surface, when described sliding sleeve is to described chuck nose motion, described first taper surface of described second taper surface extruding makes described elastic fixture block draw close to described chuck radial direction thus clamp oil sealing to be chosen, by pulling out the driving force of drawing element to provide and then can extracting oil sealing easily and fast.
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 used to the mechanical organ of oil sealing, is generally the element needing in movable part to lubricate and miscellaneous part to be isolated, and is unlikely to allow oil seepage, such as valve oil seal.
If engine because of exist assembly quality or parts quality problems need to reprocess open and inspect time, need valve oil seal to pull out from valve guide rod, at present, dismounting valve oil seal generally adopts the instrument such as bottle opener, hawkbill.
Due to valve oil seal when mounted, mostly sink to cylinder lid surface and to install the space of surrounding of oil sealing very little, adopt bottle opener and hawkbill to be difficult to oil sealing to pull out, and, be easy to cylinder lid surface of damaging tearing open in the process of pulling out valve oil seal.Labor intensive simultaneously, inefficiency.
Summary of the invention
The present invention is to overcome defect in above-mentioned prior art, provides a kind of oil sealing pulling attachment, 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 to chuck nose motion, the second taper surface extrudes the first taper surface and elastic fixture block is drawn close to chuck radial direction, forms the clamping of chuck to oil sealing; Pull out and draw element, itself and chuck are fastenedly connected in the axial direction, draw driving force for chuck provides to pull out.
In technique scheme, elastic fixture block is 3-8, and is symmetrical.Fixture block is symmetrical can ensure that chuck is when clamping oil sealing, applies uniform radial pressure to oil sealing, is unlikely to damage oil sealing itself; Uniform axial tension can be applied to oil sealing when pulling out and drawing, so conveniently extract oil sealing.
In technique scheme, elastic fixture block is provided with inwardly protruded projection in chuck front end, and pull out when drawing chuck, projection and oil sealing end face abut against.Make to be pulled through in journey pulling out by arranging projection, 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 slide bar; Connect chuck one end at slide bar and be provided with boss, be provided with screw thread at the slide bar other end, locking nut is contained on slide bar by screw thread, pulls out the stress surface of front end face as sliding hammer of locking nut when drawing.By arranging sliding hammer on slide bar, providing pulling force by the shock of sliding hammer to locking nut, not needing to pull out by external force to draw.
In technique scheme, chuck rear end is provided with bolt, and slide bar front end is provided with the columnar part of band screw, and bolt coordinates with screw, and outside columnar part, cover has spring; Or chuck rear end is provided with the columnar part of band screw, and slide bar front end is provided with bolt, and screw coordinates with bolt, outside columnar part, cover has spring.By arranging spring, can ensure on sliding sleeve second the taper surface moment extruding elastic fixture block on the first taper surface, thus ensure pull out be pulled through the journey Elastic fixture block moment be in clamping oil sealing state.
In technique scheme, one end of spring abuts boss, and the spring other end abuts 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 apply uniform pressure to oil sealing in radial direction, are unlikely to damage oil sealing; Be pulled through in journey pulling out, uniform axial tension can be applied 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 clamping oil sealing, pull out draw time oil sealing be not easy to come off.
4. the spring in the present invention is after chuck clamping oil sealing, all the time compressive state is in, ensure the first taper surface on the second taper surface moment extruding elastic fixture block on sliding sleeve, thus ensure pull out be pulled through the journey Elastic fixture block moment be in clamping oil sealing state, can ensure that oil sealing can not come off in the process of choosing, raise the efficiency.
5. the sliding hammer in the present invention repeatedly clashes 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, do not need 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 sectional view in the present invention;
Fig. 3 is the right view of chuck in the present invention;
Fig. 4 is the sectional 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 sectional view drawing element;
Fig. 7 is a kind of oil sealing pulling attachment sectional view of the present invention;
Fig. 8 is a kind of sectional view of oil sealing pulling attachment clamping valve oil seal of the present invention.
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-chuck, 11-elastic fixture block, 12-projection, 13-bolt, 14-first taper surface, 2-sliding sleeve, 21-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.
Detailed description of the invention
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 not by the restriction of detailed description of the invention.
As shown in Figure 1, comprise as one oil sealing pulling attachment of the present invention: chuck 1, sliding sleeve 2 and pull out and draw element 3, sliding sleeve 2 is set on chuck 1, and chuck 1 draws element 3 to be fastenedly connected in the axial direction with pulling out.Oil sealing pulling attachment of the present invention mainly by chuck 1 and sliding sleeve 2 with the use of, making chuck 1 clamp oil sealing to be chosen, then extracting oil sealing by pulling out the driving force of drawing element 3 to provide.
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, and be preferably 3-8, the position of elastic fixture block 11 should evenly be arranged, and ensures that elastic fixture block 11 is treated the oil sealing of choosing and applied uniform radial pressure.Embodiments of the invention are described in detail for four elastic fixture blocks 11.The outer surface of elastic fixture block 11 is the first taper surface 14.As a kind of decision design, be provided with inwardly protruded projection 12 in the front end of elastic fixture block 11, elastic fixture block 11 clamp wait choose oil sealing time, projection 12 is just connected to the front end of oil sealing to be chosen, can ensure firmly to clamp oil sealing pulling out to be pulled through in 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, second taper surface 21 coordinates with above-mentioned first taper surface 14, when sliding sleeve 2 is to chuck 1 nose motion, second taper surface 21 extrudes the first taper surface 14 makes elastic fixture block 11 draw close to chuck 1 radial direction, forms the clamping of chuck 1 pair of oil sealing.
Further as shown in Figure 6, element 3 is drawn to comprise slide bar 31, sliding hammer 37 and locking nut 36 as pulling out in a kind of the present invention, sliding hammer 37 to be enclosed within slide bar 31 and can to horizontally slip, connect chuck 1 one end at slide bar 31 and be provided with boss 32, be provided with screw thread 35 at slide bar 31 other end, locking nut 36 is contained on slide bar 31 by screw thread 35.Back out locking nut 36 sliding hammer 37 to be pulled down from slide bar 31, pulling out in the process of drawing, locking nut 36 can limit sliding hammer 37 and come off from slide bar 31, the stress surface that sliding hammer is clashed into before the front end of simultaneously locking nut 36, like this, the impact of sliding hammer 37 can be applied to chuck 1 by locking nut 36 and slide bar 31, thus chuck 1 is extracted oil sealing to be chosen.
Further as shown in Figure 7, as the mode that pulling out in a kind of the present invention draws element 3 and chuck 1 to be fastenedly connected in the axial direction, bolt 13 can be set in chuck 1 one end, be provided with the columnar part 33 of band screw 34 in slide bar 31 front end simultaneously, bolt 13 coordinates with screw 34, can element 3 be drawn to be fastenedly connected in the axial direction with pulling out chuck 1 like this.Certainly, also can be provided with the columnar part of band screw in chuck 1 one end, simultaneously be provided with bolt in slide bar 31 front end, can element 3 be drawn to be fastenedly connected in the axial direction with pulling out chuck 1 equally.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 abut boss 32 and sliding sleeve 2 respectively; Or spring 4 is enclosed within after in columnar part 33, spring 4 one end can be fixedly connected with boss 32, abuts with sliding sleeve 2 simultaneously; Or spring 4 is enclosed within after in columnar part 33, spring 4 one end can be fixedly connected with sliding sleeve 2, abuts with boss 32 simultaneously.In a word, spring 4 is when free state, and the second taper surface 21 of sliding sleeve 2 extrudes the first taper surface 14 of elastic fixture block 11, elastic fixture block 11 is drawn close to the radial direction of chuck 1, treats oil sealing of choosing and be in clamped condition.
Below for use a kind of oil sealing pulling attachment of the present invention choose valve oil seal concrete operations illustrate:
First it is noted that a kind of oil sealing pulling attachment provided by the invention also can be able to be chosen to other oil sealing being similar to valve oil seal, be now illustrated for valve oil seal of choosing.
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 oil sealing of choosing, first manually promotion sliding sleeve 2 Compress Spring 4 is utilized to move backward, elastic fixture block 11 on chuck 1 opens under the elastic force of himself outside circumference, then, is inserted in by valve oil seal 5 in elastic fixture block 11, unclamp sliding sleeve 2, sliding sleeve 2 moves forward under the promotion of spring force, second taper surface 21 of sliding sleeve 2 extrudes the first taper surface 14 of elastic fixture block 11, elastic fixture block 11 is made to draw close to the radial direction of chuck 1 thus clamp oil sealing 5, elastic fixture block 11 drives projection 12 to come closer, thus make the projection 12 on elastic fixture block 11 be stuck in the front end of oil sealing 5, during drawing oil sealing, sliding hammer 37 repeatedly on slip slide bar 31, sliding hammer 37 clashes into the locking nut 36 of slide bar 31 rear end repeatedly, chuck 1 is driven under the effect of impact, elastic fixture block 11 opposite cylinder heads 7 moves, thus make oil sealing 5 and oil seal seat produce displacement and reach the object of extracting oil sealing 5.
Be only specific embodiments of the invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (5)
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 second taper surface coordinates with described first taper surface, when described sliding sleeve is to described chuck nose motion, described first taper surface of described second taper surface extruding makes described elastic fixture block draw close to described chuck radial direction, forms the clamping of chuck to oil sealing;
Pull out and draw element, itself and described chuck are fastenedly connected in the axial direction, draw driving force for described chuck provides to pull out;
Described pulling out draws element to comprise slide bar, sliding hammer and locking nut, and described sliding hammer is enclosed within described slide bar;
Connect described chuck one end at described slide bar and be provided with boss, be provided with screw thread at the described slide bar other end, described locking nut is contained on described slide bar by described screw thread, pulls out the stress surface of front end face as described sliding hammer of locking nut when drawing;
Described chuck rear end is provided with bolt, and described slide bar front end is provided with the columnar part of band screw, and described bolt coordinates with screw, and outside described columnar part, cover has spring;
One end of described spring abuts described boss, and the described spring other end abuts described sliding sleeve.
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 in described chuck front end, and pull out when drawing described chuck, described projection and oil sealing end face abut against.
4. oil sealing pulling attachment according to claim 1, is characterized in that, described chuck rear end is provided with the columnar part of band screw, and described slide bar front end is provided with bolt, and described screw coordinates with bolt, and outside described columnar part, cover has spring.
5. oil sealing pulling attachment according to claim 4, is characterized in that, one end of described spring abuts described boss, and the described spring other end abuts described sliding sleeve.
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 CN104044108A (en) | 2014-09-17 |
| CN104044108B true CN104044108B (en) | 2016-04-27 |
Family
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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) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (7)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060272140A1 (en) * | 2005-06-01 | 2006-12-07 | Kang Hsin F | Positioning pin removing tool for vehicles |
-
2013
- 2013-03-14 CN CN201310082241.0A patent/CN104044108B/en active Active
Patent Citations (7)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104044108A (en) | 2014-09-17 |
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