CN108481259A - A kind of self-adjustable piston pin backing-out punch - Google Patents
A kind of self-adjustable piston pin backing-out punch Download PDFInfo
- Publication number
- CN108481259A CN108481259A CN201810627337.3A CN201810627337A CN108481259A CN 108481259 A CN108481259 A CN 108481259A CN 201810627337 A CN201810627337 A CN 201810627337A CN 108481259 A CN108481259 A CN 108481259A
- Authority
- CN
- China
- Prior art keywords
- hole
- piston
- piston pin
- fixed plate
- out punch
- 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.)
- Pending
Links
- 210000005069 ears Anatomy 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 2
- 241001125877 Gobio gobio Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- 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
- B25B27/023—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 using screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The present invention relates to a kind of self-adjustable piston pin backing-out punch,For by piston pin,The separation of needle bearing and piston,The backing-out punch includes piston fixed plate,Clamping screw,Lead screw and top cover,There are two the piston fixed plate is set,And it is in arc-shaped,The outside both ends of two-piston fixed plate, which are equipped with, picks up the ears,Two-piston fixed plate homonymy picks up the ears to fix by clamping screw,It is equipped with a through-hole in the middle part of two-piston fixed plate,It is equipped with guide groove on the outside of one piston fixed plate,Guide groove is equipped with tapped through hole far from piston fixed plate side,Tapped through hole is located along the same line with through-hole,The lead screw is equipped with the screw thread to match with tapped through hole,Lead screw one end is equipped with first boss,First boss outer diameter is less than lead screw outer diameter and matches with top cover internal diameter,The top cover is annular in shape,Top cover outer diameter is less than through-hole diameter,The backing-out punch can quickly completely detach piston with connecting rod.
Description
Technical field
The present invention relates to a kind of self-adjustable engine gudgeon pin backing-out punch, belong to repair equipment technology field.
Background technology
In repair, the maintenance of the engines such as outboard motor is special, piling machine and gasoling-engine saw, need that completely engine is lived
Plug is detached with connecting rod, but is inserted by piston pin between piston and connecting rod and is completed to connect in needle bearing, is taken when by piston pin
When going out, needle roller can lose support and fall, not easy to operate if piston pin is turned back to original place again at this time so that engine piston
Disassembly efficiency it is very low.
Invention content
The present invention in order to solve the problems in the existing technology, provide it is a kind of can fast and accurately complete piston pin with rolling
The piston pin backing-out punch of the dismounting of needle bearing and connecting rod.
In order to achieve the above object, technical solution proposed by the present invention is：A kind of self-adjustable piston pin backing-out punch, being used for will
The separation of piston pin, needle bearing and piston, the backing-out punch include piston fixed plate, clamping screw, lead screw and top cover, the work
There are two plug fixed plate is set, and it is in arc-shaped, the outside both ends of two-piston fixed plate, which are equipped with, picks up the ears, two-piston fixed plate homonymy
Pick up the ears can be fixed by clamping screw, a through-hole is equipped in the middle part of two-piston fixed plate, is equipped with and leads on the outside of a piston fixed plate
To slot, guide groove is equipped with tapped through hole far from piston fixed plate side, and tapped through hole is located along the same line with through-hole, the silk
Bar is equipped with the screw thread to match with tapped through hole, and lead screw one end is equipped with first boss, and first boss outer diameter is less than lead screw outer diameter
And match with top cover internal diameter, the top cover is annular in shape, and top cover outer diameter is less than through-hole diameter.
Above-mentioned technical proposal is further designed to：Further include connecting rod, described connecting rod one end is equipped with second boss,
Second boss diameter is less than connection shank diameter, and second boss is equipped with external screw thread, and the connecting rod other end is equipped with block, and block outer diameter is big
In connection shank diameter, the first boss is equipped with blind hole, and the interior spiral shell to match with the external screw thread of second boss is equipped in blind hole
Line.
The connection shank diameter matches with piston pin internal diameter, and connection pole length is more than piston pin length.
The piston fixed plate radian is less than 90 °；The outside both ends of two-piston fixed plate are respectively provided with two and pick up the ears.
A kind of preferred embodiment of above-mentioned technical proposal is：It picks up the ears to be equipped with and the matched threaded hole of clamping screw.
A kind of preferred embodiment of above-mentioned technical proposal is：Described to pick up the ears to be equipped with connecting hole, lock-screw may pass through connection
Hole, lock-screw one end are equipped with locking nut.
The piston pin backing-out punch further includes extension bar, and the lead screw other end is equipped with reinforcing hole, reinforcing shank diameter and reinforcing
It is radially matched in hole.
The reinforcing hole is axial axially perpendicular with lead screw.
Described extension bar one end is equipped with baffle.
The top cover outer diameter is identical as piston pin external diameter.
Using the technical program piston pin backing-out punch dismantle piston pin the step of be：
A, the assembly of piston rod is detached with bent axle, takes out bent axle, piston is extracted from cylinder sleeve；
B, piston ring and piston pin spring are removed, top land is clamped downward and with two-piston fixed plate, it will with clamping screw
Two-piston fixed plate is fixed together；
C, top cover is put into guide groove and is aligned with piston pin, lead screw one end is screwed in into tapped through hole, first boss is inserted into top cover
It is interior；
D, extension bar is inserted into reinforcing hole, rotary screw passes through a through-hole of fixing sleeve to enter in piston up to top cover, and will
Piston pin is ejected from another through-hole；
E, connecting rod is taken out, top cover is still fixed on connecting rod center at this time, it is ensured that needle bearing is orderly to be fixed on connecting rod, is reached
The purpose of dismounting.
Piston pin, which is filled multiple step, is：
A, piston pin is sleeved in connecting rod, and connecting rod one end is inserted into from the through hole of fixing sleeve；
B, the second boss of connecting rod is screwed in the blind hole of lead screw；
C, lead screw is reversely rotated, lead screw drives connecting rod movement, and then piston pin pulled in connecting rod, and by top cover from fixing sleeve
Through hole ejection；
D, connecting rod is detached with lead screw, taking out connecting rod, lead screw and top cover can be by piston pin, needle bearing, connecting rod success
In conjunction with.
The technical program has the beneficial effect that：
Top cover can be stayed in the original position of piston pin when ejecting piston pin by the piston pin backing-out punch of the technical program, can be true
Guarantor's needle bearing is orderly to be fixed on connecting rod, multiple convenient for filling piston pin；When piston pin dress is multiple, piston pin is being pulled in into company
Top cover can be ejected again during bar.
Piston fixed plate encloses arc-shaped and is equipped with two pieces, and radian keeps the piston fixed plate usable and different rulers less than 90 °
Very little piston, it is applied widely.
The piston pin backing-out punch of the technical program is simple in structure, easy to use, can be quickly completely by piston and connecting rod point
From, it both can guarantee repair quality, while can also improve dismounting speed, it also can be more accurately by piston pin and rolling during dress is multiple
Needle bearing is combined with connecting rod simultaneously.
Description of the drawings
Fig. 1 is the usage state diagram one of backing-out punch of the present invention；
Fig. 2 is the usage state diagram two of backing-out punch of the present invention；
Fig. 3 is the structural schematic diagram of piston fixed plate in Fig. 1；
Fig. 4 is the left view of piston fixed plate shown in Fig. 3；
Fig. 5 is the left view of piston fixed plate shown in Fig. 3；
Fig. 6 is the structural schematic diagram of lead screw in the present invention；
Fig. 7 is the structural schematic diagram of connecting rod in the present invention；
In above-mentioned attached drawing：
1- piston fixed plates, 11- through-holes, 12- guide grooves, 13- tapped through holes, 14- pick up the ears, 15- lock-screws, 2- lead screws, 21-
First boss, 22- reinforce hole, 23- blind holes, 3- connecting rods, 31- second boss, 32- blocks, 4- extension bars, 41- baffles, the tops 5-
Set, 6- pistons, 7- piston pins, 8- needle rollers.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in detail.
Embodiment
As depicted in figs. 1 and 2, a kind of self-adjustable piston pin backing-out punch of the present embodiment, including piston fixed plate 1, lead screw 2
With top cover 5.
There are two piston fixed plate 1 is set as shown in Fig. 3,4 and 5, and it is in arc-shaped, the outside both ends of two-piston fixed plate 1
It is equipped with and picks up the ears 14,1 homonymy of two-piston fixed plate picks up the ears 14 to fix by clamping screw 15,1 middle part of two-piston fixed plate
It is equipped with a through-hole 11, guide groove 12 is equipped on the outside of a piston fixed plate, guide groove 12 is u-shaped, is formed among guide groove 12
One slot, guide groove 12 are equipped with tapped through hole 13 far from 1 side of piston fixed plate, and tapped through hole 13 is connected to guide groove 12, spiral shell
Line through-hole 13 is located along the same line with two through-holes 11 on fixing sleeve.
The radian of piston fixed plate 1 is less than 90 ° in the present embodiment, and the outside both ends of two-piston fixed plate 1 are respectively provided with two
Pick up the ears 14, pick up the ears 14 be equipped with 15 matched threaded hole of clamping screw, clamping screw 15 by with threaded hole cooperation by two
Piston fixed plate is fixed together；The present embodiment can also pick up the ears to be equipped with connecting hole on 14, and clamping screw 15 may pass through connection
Hole, 15 one end of clamping screw are equipped with locking nut, and clamping screw passes through two connecting holes, and by the cooperation with locking nut by two
Piston fixed plate is fixed together.
As shown in fig. 6, lead screw 2 is equipped with the screw thread to match with tapped through hole 13,2 one end of lead screw is equipped with the structure of lead screw 2
First boss 21,21 outer diameter of first boss are less than lead screw outer diameter and match with 5 internal diameter of top cover, and 2 other end of lead screw is equipped with reinforcing
Extension bar 4 can be inserted by hole 22, easy to operation to increase the rotary force of lead screw, and the present embodiment will reinforce 22 axial direction of hole and lead screw
2 axial perpendicular settings, are conveniently operated, and 4 one end of extension bar is equipped with baffle 41, extension bar 4 can be inserted into reinforcing hole 22 until gear
Plate 41 resists reinforcing hole 22, the reinforcing effect of maximizing extension bar 4.First boss 21 is equipped with blind hole 23, and blind hole 23 is equipped with
Internal thread.Top cover 5 can be sleeved in first boss 21, and lead screw 2 can screw in tapped through hole 13, as lead screw 2 constantly screws in, can be pushed
Top cover 5 passes through through-hole, into fixing sleeve 11.
Using the present embodiment piston pin backing-out punch dismantle piston pin schematic diagram as shown in Figure 1, its specific steps are：
A, the assembly of piston rod is detached with bent axle, takes out bent axle, piston is extracted from cylinder sleeve；
B, piston ring and piston pin spring are removed, top land is clamped downward and with two-piston fixed plate, it will with clamping screw
Two-piston fixed plate is fixed together；
C, top cover 5 annular in shape is put into the slot 14 of guide groove 12, and top cover 5 is made to be aligned with piston pin 7, by lead screw 2 one
End screws in tapped through hole 13, then first boss 21 will be inserted into top cover 5；
D, extension bar 4 is inserted into reinforcing hole 22, rotary screw 2 is lived up to top cover 5 passes through a through-hole 15 of fixing sleeve 11 to enter
In plug 6, and piston pin 7 is ejected from another through-hole 15；
E, connecting rod is taken out, top cover 5 is still fixed in connecting rod pin hole at this time, it is ensured that the needle roller 8 of needle bearing is orderly to be fixed on
On connecting rod, achieve the purpose that dismounting.
As shown in fig. 7,3 one end of connecting rod is equipped with second boss 31,31 diameter of second boss is less than to be connected the structure of connecting rod 3
3 diameter of extension bar, second boss 31 is equipped with is equipped with block 32, block 32 with 23 matched external screw thread of blind hole, 3 other end of connecting rod
Outer diameter is more than 31 diameter of connecting rod, and diameter and 7 internal diameter of piston pin of connecting rod 3 match, and 3 length of connecting rod is more than piston pin 7
Length, then piston pin 7 can be sleeved in connecting rod 3, one end is against on block 32, and second boss 31 can be revealed from 7 other end of piston pin
Go out.5 outer diameter of top cover is identical as 7 outer diameter of piston pin, and less than the internal diameter of the two through hole 15 on fixing sleeve 11, then top cover 5 can be perfect
Replace the position of piston pin 7, and fixing sleeve 11 can be passed in and out from two through hole 15.
Piston pin filled into multiple schematic diagram using the backing-out punch of the present embodiment as shown in Fig. 2, its specific steps are：
A, piston pin 7 is sleeved in connecting rod 3, and by 3 one end of connecting rod from through-hole of the fixing sleeve 11 far from 12 side of guide groove
It is inserted at 15；
B, the second boss 31 of connecting rod 3 is screwed in the blind hole 23 of lead screw 2；
C, reversely rotate lead screw 2, lead screw 2 drives connecting rod 3 to move, and then piston pin 7 is pulled in connecting rod, and by top cover 5 from
It is ejected at the through-hole 15 of 12 side of close guide groove of fixing sleeve；
D, connecting rod 3 is detached with lead screw 2, taking out connecting rod 3, lead screw 2 and top cover 5 can be by piston pin, needle bearing, connecting rod
Success combines.
Technical scheme of the present invention is not limited to the various embodiments described above, all technical solutions obtained using equivalent replacement mode
It all falls in the scope of protection of present invention.
Claims (10)
1. a kind of self-adjustable piston pin backing-out punch is used for the separation of piston pin, needle bearing and piston, it is characterised in that：Packet
Piston fixed plate, clamping screw, lead screw and top cover are included, there are two the piston fixed plate is set, and is in arc-shaped, two-piston is fixed
The outside both ends of plate, which are equipped with, picks up the ears, and two-piston fixed plate homonymy picks up the ears to fix by lock-screw, two-piston fixed plate
Middle part is equipped with a through-hole, and guide groove is equipped on the outside of a piston fixed plate, and guide groove is equipped with screw thread far from piston fixed plate side
Through-hole, tapped through hole are located along the same line with through-hole, and the lead screw is equipped with the screw thread to match with tapped through hole, lead screw one
End is equipped with first boss, and first boss outer diameter is less than lead screw outer diameter and matches with top cover internal diameter, and the top cover is annular in shape, top cover
Outer diameter is less than through-hole diameter.
2. self-adjustable piston pin backing-out punch according to claim 1, it is characterised in that：Further include connecting rod, the connecting rod
One end is equipped with second boss, and second boss diameter is less than connection shank diameter, and second boss is equipped with external screw thread, and the connecting rod other end is set
There are block, block outer diameter to be more than connection shank diameter, the first boss is equipped with blind hole, is equipped in blind hole outer with second boss
The internal thread that screw thread matches.
3. self-adjustable piston pin backing-out punch according to claim 2, it is characterised in that：In the connection shank diameter and piston pin
Diameter matches, and connection pole length is more than piston pin length.
4. self-adjustable piston pin backing-out punch according to claim 3, it is characterised in that：The piston fixed plate radian is less than
90°。
5. self-adjustable piston pin backing-out punch according to claim 4, it is characterised in that：The outside both ends of two-piston fixed plate are each
If there are two pick up the ears.
6. self-adjustable piston pin backing-out punch according to claim 5, it is characterised in that：It picks up the ears to be equipped with and match with clamping screw
The threaded hole of conjunction.
7. self-adjustable piston pin backing-out punch according to claim 5, it is characterised in that：It is described to pick up the ears to be equipped with connecting hole, lock
Tight bolt may pass through connecting hole, and clamping screw one end is equipped with spiral shell locking nut.
8. self-adjustable piston pin backing-out punch described according to claim 6 or 7, it is characterised in that：The piston pin backing-out punch further includes
Extension bar, the lead screw other end are equipped with reinforcing hole, are radially matched in reinforcing shank diameter and reinforcing hole, described extension bar one end is set
There is baffle.
9. self-adjustable piston pin backing-out punch according to claim 8, it is characterised in that：The reinforcing hole is axial axial with lead screw
It is perpendicular.
10. self-adjustable piston pin backing-out punch according to claim 8, it is characterised in that：Outside the top cover outer diameter and piston pin
Diameter is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627337.3A CN108481259A (en) | 2018-06-19 | 2018-06-19 | A kind of self-adjustable piston pin backing-out punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627337.3A CN108481259A (en) | 2018-06-19 | 2018-06-19 | A kind of self-adjustable piston pin backing-out punch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108481259A true CN108481259A (en) | 2018-09-04 |
Family
ID=63343016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810627337.3A Pending CN108481259A (en) | 2018-06-19 | 2018-06-19 | A kind of self-adjustable piston pin backing-out punch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108481259A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108527245A (en) * | 2018-06-19 | 2018-09-14 | 泰州市铧颐特种装备有限公司 | A kind of piston pin backing-out punch |
| CN111922976A (en) * | 2020-08-27 | 2020-11-13 | 广东电网有限责任公司 | Separation tool for cork rubber pad between military cap and sleeve sealing surface |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE509365C (en) * | 1929-04-24 | 1930-10-08 | Richard Blau Jun | Device for inserting and removing piston pins |
| US1810884A (en) * | 1930-05-21 | 1931-06-16 | Earl O Minor | Machine for removing and replacing piston wrist pins |
| US1841190A (en) * | 1930-10-15 | 1932-01-12 | Marcus D Justiss | Piston pin extractor and inserter |
| CH156826A (en) * | 1931-09-26 | 1932-08-31 | Vogel Hermann | Tool for pulling pulleys, ball bearings and the like from shafts, with device for pushing out gudgeon pins, bushings and the like. |
| US3050840A (en) * | 1959-04-01 | 1962-08-28 | Arthur A Dunkerley | Piston pin installing tool |
| US4852231A (en) * | 1987-05-05 | 1989-08-01 | Turner James E | Piston wrist pin installation and removal device and method of using |
| EP1036634A2 (en) * | 1999-03-18 | 2000-09-20 | Federal-Mogul Burscheid GmbH | Device for mounting pistons with outwardly clamping piston rings in a cylinder |
| CN2877974Y (en) * | 2006-01-23 | 2007-03-14 | 广东蓉胜超微线材股份有限公司 | Novel extractor |
| CN204686784U (en) * | 2015-05-25 | 2015-10-07 | 江西铜业股份有限公司 | A kind of provision for disengagement of taper roll bearing |
| CN208323239U (en) * | 2018-06-19 | 2019-01-04 | 泰州市铧颐特种装备有限公司 | A kind of self-adjustable piston pin backing-out punch |
-
2018
- 2018-06-19 CN CN201810627337.3A patent/CN108481259A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE509365C (en) * | 1929-04-24 | 1930-10-08 | Richard Blau Jun | Device for inserting and removing piston pins |
| US1810884A (en) * | 1930-05-21 | 1931-06-16 | Earl O Minor | Machine for removing and replacing piston wrist pins |
| US1841190A (en) * | 1930-10-15 | 1932-01-12 | Marcus D Justiss | Piston pin extractor and inserter |
| CH156826A (en) * | 1931-09-26 | 1932-08-31 | Vogel Hermann | Tool for pulling pulleys, ball bearings and the like from shafts, with device for pushing out gudgeon pins, bushings and the like. |
| US3050840A (en) * | 1959-04-01 | 1962-08-28 | Arthur A Dunkerley | Piston pin installing tool |
| US4852231A (en) * | 1987-05-05 | 1989-08-01 | Turner James E | Piston wrist pin installation and removal device and method of using |
| EP1036634A2 (en) * | 1999-03-18 | 2000-09-20 | Federal-Mogul Burscheid GmbH | Device for mounting pistons with outwardly clamping piston rings in a cylinder |
| CN2877974Y (en) * | 2006-01-23 | 2007-03-14 | 广东蓉胜超微线材股份有限公司 | Novel extractor |
| CN204686784U (en) * | 2015-05-25 | 2015-10-07 | 江西铜业股份有限公司 | A kind of provision for disengagement of taper roll bearing |
| CN208323239U (en) * | 2018-06-19 | 2019-01-04 | 泰州市铧颐特种装备有限公司 | A kind of self-adjustable piston pin backing-out punch |
Non-Patent Citations (1)
| Title |
|---|
| 张彦博, 等: "滚动轴承技术问答", 石家庄：河北 人民出版社, pages: 85 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108527245A (en) * | 2018-06-19 | 2018-09-14 | 泰州市铧颐特种装备有限公司 | A kind of piston pin backing-out punch |
| CN111922976A (en) * | 2020-08-27 | 2020-11-13 | 广东电网有限责任公司 | Separation tool for cork rubber pad between military cap and sleeve sealing surface |
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