CN101973014B - Piston ring press-mounting tool - Google Patents
Piston ring press-mounting tool Download PDFInfo
- Publication number
- CN101973014B CN101973014B CN2010105420398A CN201010542039A CN101973014B CN 101973014 B CN101973014 B CN 101973014B CN 2010105420398 A CN2010105420398 A CN 2010105420398A CN 201010542039 A CN201010542039 A CN 201010542039A CN 101973014 B CN101973014 B CN 101973014B
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- CN
- China
- Prior art keywords
- piston ring
- push rod
- impeller
- hub
- ringfeder
- 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
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- Pistons, Piston Rings, And Cylinders (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a piston ring press-mounting tool which comprises a housing (2) with a round end cover (1), an expanding device, a flattening device and a compaction device, wherein a piston ring mounting device is arranged at the front part of the housing (2), the expanding device is movably arranged in a cavity at the rear part of the housing (2) and is corresponding to the piston ring mounting device, the flattening device is arranged in the expanding device, and the compaction device is arranged between the expanding device and the housing. The invention has the advantages of artful design, convenient operation and high processing efficiency. The use of the piston ring press-mounting tool reduces labor intensity, prevents piston rings from scuffing pistons during press mounting and increases processing quality.
Description
Technical field
The present invention relates to a kind of frock tool, particularly a kind of piston ring press mounting tool.
Background technology
Piston ring is a kind of metallic elastic ring that expands outwardly distortion more greatly that has, and it is mounted in the cannelure of its corresponding piston of section.At present, no matter be that gasoline engine or diesel engine adopt the hand assembled mode at the fit on of piston ring more, this fit one is to make working strength of workers bigger; The 2nd, when assembling, manually to expand and open piston ring, gap-clearance of piston rings place is tilted upward; Scratch piston easily, cause piston to damage.
In order to address the above problem; Some producer installs piston ring with regard to adopting special-purpose machine; As in CN200954578Y, disclosing the patent of invention that a kind of name is called " piston ring fitting equipment ", it comprises lathe bed, bin and electric-control system, also comprises a ring, two ring assembly units; Each assembly unit comprises drive system, press mounting system, gripper Adjustment System and the system of issuing an order, and drive system wherein is connected with press mounting system with ball nut through ball-screw; Described press mounting system is fixedly connected through the multi-claw type push-plate; The system of issuing an order then is loaded in the inner chamber of axle; Though such equipment can reduce working strength of workers, prevent that piston from being scratched by piston ring, its volume is too big, takes up an area of widely, and also need consumes electric power when using, and such special equipment is also very complicated when maintenance.
Summary of the invention
The object of the invention just provides a kind of can efficiency of assembling high, piston ring press mounting tool that assembly quality is good.
The objective of the invention is to realize through such technical scheme; A kind of piston ring press mounting tool; Said press mounting tool comprises shell body, spreading device, pressuring flat device and the hold down gag that has circular end cap; Said front portion at shell body is equipped with the piston ring erecting device; Said spreading device is arranged on versatilely in the cavity at shell body rear portion and is corresponding with the piston ring erecting device, and said pressuring flat device is arranged in the spreading device, and said hold down gag is arranged between spreading device and the shell body versatilely.
Wherein, said piston ring erecting device comprise before trim ring with the back trim ring, said before trim ring with the back trim ring be fixed in the shell body through compressing tablet and the screw that is arranged on the shell body, said before trim ring with after trim ring surround the piston ring standing groove with shell body respectively.
Further, said spreading device comprises that an end has the ringfeder of tapering and hollow, and the said other end at ringfeder is connected with impeller-hub, and said impeller-hub passes end cap.
Further, said pressuring flat device comprises the push rod that is arranged in the ringfeder, and the lower end of said push rod is connected with the Hough piece that is arranged on versatilely on the ringfeder, and the upper end of said push rod is provided with bearing; The said push rod that in ringfeder, is provided with, said push rod are arranged on impeller-hub top and parallel with impeller-hub, and a said end at push rod is set with oblique push block, and said oblique push block contacts with bearing, and the other end of said push rod passes end cap; Said bilateral symmetry at push rod is provided with return spring, and the upper end of said return spring is connected with bolt on being arranged on ringfeder, and the lower end of said return spring is connected with screw on being arranged on Hough piece upper surface.Because piston ring receives the spreading of ringfeder, has caused the opening of piston ring to be tilted upward, scratch piston in order to prevent tip-tilted opening, so adopt pressuring flat device that tip-tilted opening is flattened.
In order to make push rod reset fast, the front end face of said push rod is provided with back-moving spring.
In order to prevent oblique push block transition when the return, said rear portion at ringfeder is provided with limit shaft, and said limit shaft is arranged between push rod and the impeller-hub and is parallel with push rod or impeller-hub, and an end of said limit shaft is corresponding with the rear end face of oblique push block.
Further, said hold down gag is a gland, and said rear end at gland is provided with the connecting rod that passes end cap, and said connecting rod is arranged on impeller-hub below and parallel with impeller-hub, the front end of said gland and the corresponding setting of back trim ring.
Position during for the limited piston ring installation, the top of said front end face at ringfeder is provided with gland.
Because adopted that technique scheme, the present invention have that structural design is ingenious, simple operation, advantage of high processing efficiency, adopt it to alleviate working strength of workers, prevented that piston ring from scratching piston in press-fiting process, improved crudy.
Description of drawings
Description of drawings of the present invention is following:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the left view of Fig. 1.
The specific embodiment
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention, but the present invention is not limited to these embodiments, any on the present embodiment essence spirit improvement or substitute, still belong to claim of the present invention scope required for protection.
Embodiment 1: like Fig. 1, shown in 2; A kind of piston ring press mounting tool; It is characterized in that: said press mounting tool comprises shell body 2, spreading device, pressuring flat device and the hold down gag that has circular end cap 1; Said front portion at shell body 2 is equipped with the piston ring erecting device; Said spreading device is arranged on versatilely in the cavity at shell body 2 rear portions and is corresponding with the piston ring erecting device, and said pressuring flat device is arranged in the spreading device, and said hold down gag is arranged between spreading device and the shell body versatilely.
Trim ring 3 and back trim ring 4 before said piston ring erecting device comprises, said before trim ring 3 be fixed in the shell body 2 with screw through the compressing tablet 5 that is arranged on the shell body 2 with back trim ring 4, said before trim ring 3 surround piston ring standing groove 6 with shell body 2 respectively with back trim ring 4.
Said spreading device comprises that an end has the ringfeder 7 of tapering and hollow, and the said other end at ringfeder 7 is connected with impeller-hub 8, and said impeller-hub 8 passes end cap 1.
Said pressuring flat device comprises the push rod 9 that is arranged in the ringfeder 7, and the lower end of said push rod 9 is connected with the Hough piece 10 that is arranged on versatilely on the ringfeder 7, and the upper end of said push rod 9 is provided with bearing 11; The said push rod 12 that in ringfeder 7, is provided with; Said push rod 12 is arranged on impeller-hub 8 tops and parallel with impeller-hub 8; A said end at push rod 12 is set with oblique push block 13, and said oblique push block 13 contacts with bearing 11, and the other end of said push rod 12 passes end cap 1; Said bilateral symmetry at push rod 9 is provided with return spring 14, and the upper end of said return spring 14 is connected with bolt 15 on being arranged on ringfeder 7, and the lower end of said return spring 14 is connected with screw 16 on being arranged on Hough piece 10 upper surfaces.Wherein, the purpose of bearing 11 is in order to reduce the frictional force between oblique push block 13 and the push rod 9, and the purpose of return spring 14 is for Hough piece returning quickly.
The front end face of said push rod 12 is provided with back-moving spring 17, its objective is in order to make push rod reset fast.
Said rear portion at ringfeder 7 is provided with limit shaft 18, and said limit shaft 18 is arranged between push rod 12 and the impeller-hub 8 and is parallel with push rod 12 or impeller-hub 8, and an end of said limit shaft 18 is corresponding with the rear end face of oblique push block 13.
Said hold down gag is a gland 19, and said rear end at gland 19 is provided with the connecting rod 20 that passes end cap 1, and said connecting rod 20 is arranged on impeller-hub 8 belows and parallel with impeller-hub 8, the front end of said gland 19 and back trim ring 4 corresponding settings.
The present invention uses like this: in piston ring standing groove 6, the workman moves to the piston ring direction with hand propelled impeller-hub 8 then with the piston ring security protection in elder generation, and impeller-hub 8 drives ringfeders 7 and moves; Make piston ring be inserted in the ringfeder, promoting push rod 12, push rod 12 drives the opening that Hough piece 10 is depressed piston ring through oblique push block 13, push rod 9; Promote connecting rod 20 again, connecting rod 20 drives gland 19 and travels forward, the piston ring before compressing in trim ring 3, the back trim ring 4; Prevent that piston ring is loosening; Pull push rod 12 at last and get back to the home position, piston is put into piston ring, loosening connecting rod 20 with impeller-hub 8; Just be nested on the piston by spreading and the piston ring that compresses, so just accomplished the work that press-fits of a piston ring.
The top of said front end face at ringfeder 7 is provided with gland 21, its objective is in order to make piston ring be nested on the piston more accurately.
Claims (4)
1. piston ring press mounting tool; It is characterized in that: said press mounting tool comprises shell body (2), spreading device, pressuring flat device and the hold down gag that has circular end cap (1); Front portion at said shell body (2) is equipped with the piston ring erecting device; Said spreading device is arranged on versatilely in the cavity at shell body (2) rear portion and is corresponding with the piston ring erecting device, and said pressuring flat device is arranged in the spreading device, and said hold down gag is arranged between spreading device and the shell body versatilely;
Said piston ring erecting device comprises preceding trim ring (3) and back trim ring (4); Trim ring (3) and back trim ring (4) are fixed in the shell body (2) through compressing tablet (5) and the screw that is arranged on the shell body (2) before said, and said preceding trim ring (3) and back trim ring (4) surround piston ring standing groove (6) with shell body (2) respectively;
Said spreading device comprises that an end has the ringfeder of tapering and hollow (7), is connected with impeller-hub (8) at the other end of said ringfeder (7), and said impeller-hub (8) passes end cap (1);
Said pressuring flat device comprises the push rod (9) that is arranged in the ringfeder (7), and the lower end of said push rod (9) is connected with the Hough piece (10) that is arranged on versatilely on the ringfeder (7), and the upper end of said push rod (9) is provided with bearing (11); In said ringfeder (7), be provided with push rod (12); Said push rod (12) is arranged on impeller-hub (8) top and parallel with impeller-hub (8); End at said push rod (12) is set with oblique push block (13); Said oblique push block (13) contacts with bearing (11), and the other end of said push rod (12) passes end cap (1); Bilateral symmetry at said push rod (9) is provided with return spring (14); The upper end of said return spring (14) is connected with bolt (15) on being arranged on ringfeder (7), and the lower end of said return spring (14) is connected with screw (16) on being arranged on Hough piece (10) upper surface;
Said hold down gag is gland (19); Be provided with the connecting rod (20) that passes end cap (1) in the rear end of said gland (19); Said connecting rod (20) is arranged on impeller-hub (8) below and parallel with impeller-hub (8), the front end of said gland (19) and the corresponding setting of back trim ring (4).
2. piston ring press mounting tool as claimed in claim 1 is characterized in that: the front end face of said push rod (12) is provided with back-moving spring (17).
3. piston ring press mounting tool as claimed in claim 2; It is characterized in that: be provided with limit shaft (18) at the rear portion of said ringfeder (7); Said limit shaft (18) is arranged between push rod (12) and the impeller-hub (8) and is parallel with push rod (12) or impeller-hub (8), and an end of said limit shaft (18) is corresponding with the rear end face of oblique push block (13).
4. piston ring press mounting tool as claimed in claim 3 is characterized in that: the top at the front end face of said ringfeder (7) is provided with gland (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105420398A CN101973014B (en) | 2010-11-12 | 2010-11-12 | Piston ring press-mounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105420398A CN101973014B (en) | 2010-11-12 | 2010-11-12 | Piston ring press-mounting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101973014A CN101973014A (en) | 2011-02-16 |
| CN101973014B true CN101973014B (en) | 2012-08-08 |
Family
ID=43572938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105420398A Expired - Fee Related CN101973014B (en) | 2010-11-12 | 2010-11-12 | Piston ring press-mounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101973014B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192247B (en) * | 2012-01-05 | 2015-10-28 | 广西玉柴机器股份有限公司 | Frock and method are held up in the auxiliary holder that the sliding distribution cylinder sleeve of diesel engine thin-wall press-fits |
| CN104084784B (en) * | 2014-06-25 | 2017-05-03 | 顾晓荣 | Paper tube head pressing machine |
| CN109352588A (en) * | 2018-11-29 | 2019-02-19 | 安庆海威尔机械有限公司 | A kind of efficient hand piston ring rapid installation device |
| CN109909723B (en) * | 2019-03-28 | 2024-03-12 | 青岛博世通工业设备有限公司 | Polytypic piston ring intellectual detection system erection equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6789313B2 (en) * | 2002-11-15 | 2004-09-14 | George P. Hendricks | Piston pin lock ring insertion tool and method |
| CN2843726Y (en) * | 2005-12-21 | 2006-12-06 | 重庆工学院 | Automatic assembling machine of piston ring |
| CN201324930Y (en) * | 2008-11-13 | 2009-10-14 | 重庆宗申发动机制造有限公司 | Device equipped with engine piston ring |
| CN201863176U (en) * | 2010-11-12 | 2011-06-15 | 重庆潍柴发动机厂 | Tool for pressing and assembling piston ring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4313960B2 (en) * | 2001-04-27 | 2009-08-12 | トヨタ自動車株式会社 | Piston ring assembly machine |
-
2010
- 2010-11-12 CN CN2010105420398A patent/CN101973014B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6789313B2 (en) * | 2002-11-15 | 2004-09-14 | George P. Hendricks | Piston pin lock ring insertion tool and method |
| CN2843726Y (en) * | 2005-12-21 | 2006-12-06 | 重庆工学院 | Automatic assembling machine of piston ring |
| CN201324930Y (en) * | 2008-11-13 | 2009-10-14 | 重庆宗申发动机制造有限公司 | Device equipped with engine piston ring |
| CN201863176U (en) * | 2010-11-12 | 2011-06-15 | 重庆潍柴发动机厂 | Tool for pressing and assembling piston ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101973014A (en) | 2011-02-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20131112 |