CN108747970B - Tool for opening and closing piston to enter cylinder hole - Google Patents

Tool for opening and closing piston to enter cylinder hole Download PDF

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Publication number
CN108747970B
CN108747970B CN201811004779.9A CN201811004779A CN108747970B CN 108747970 B CN108747970 B CN 108747970B CN 201811004779 A CN201811004779 A CN 201811004779A CN 108747970 B CN108747970 B CN 108747970B
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China
Prior art keywords
piston
semicircle
opening
cylinder hole
connecting rod
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CN201811004779.9A
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Chinese (zh)
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CN108747970A (en
Inventor
谢林江
许勤祥
宁闽
杨莉
陈志玉
方少波
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Jiangxi Isuzu Engine Co ltd
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Jiangxi Isuzu Engine Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand 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
    • B25B27/12Hand 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 mounting or demounting piston rings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

The invention discloses an opening and closing piston cylinder hole entering tool which comprises an opening and closing tool device, a piston tightly locked and pressed on the inner side of the opening and closing tool device, a piston ring arranged at one end of the piston, a connecting rod arranged at the other end of the piston, and a connecting rod piston pin shaft for connecting the piston and the connecting rod. The invention is characterized in that an opening and closing tool device is designed, a piston ring is arranged in a piston groove at one end of a piston, and a left semicircle and a right semicircle on the opening and closing tool device are tensioned through a tensioning lock pressing handle, so that the piston ring is fixedly pressed on the inner sides of the left semicircle and the right semicircle, the piston ring is prevented from generating larger friction resistance when a cylinder hole entering tool uses downward force, the left semicircle and the right semicircle are movably hinged and connected through a cylindrical pin, the operation is convenient, the installation speed is accelerated, and the production efficiency is improved.

Description

Tool for opening and closing piston to enter cylinder hole
Technical Field
The invention relates to the field of automobile engines, in particular to a tool for opening and closing a piston into a cylinder hole.
Background
With the rapid development of the automobile industry, the production quantity of the engine is more and more required. Therefore, it is imperative to improve the production efficiency and increase the production speed. The efficiency of the engine piston and piston ring installation affects the production efficiency of the engine. The conventional tool method is a conical tool, and the operation method is that the piston ring is pressed into the piston groove by downward pressure, and great friction resistance is generated between the piston ring and the inner side of the conical tool in the installation process, so that the tool for entering the cylinder hole is time-consuming and labor-consuming.
Therefore, how to design a tool for putting the opening and closing piston into the cylinder hole, friction resistance is avoided from being generated by the piston ring in the installation process, the installation speed is increased, and the production efficiency is improved. Is a problem to be solved in the industry.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an opening and closing piston cylinder hole tooling which comprises an opening and closing tooling device, a piston tightly locked and pressed on the inner side of the opening and closing tooling device, a piston ring arranged at one end of the piston, a connecting rod arranged at the other end of the piston, and a connecting rod piston pin shaft connecting the piston and the connecting rod, wherein the opening and closing tooling device comprises a left semicircle, a right semicircle arranged on the symmetrical surface of the left semicircle, a cylindrical pin connected between the left semicircle and the right semicircle, a hook seat fixed on the outer side surface of the left semicircle, a movable support fixed on the outer side surface of the right semicircle, a screw for fixing the movable support and the right semicircle, a short column connected on the movable support, a tightening lock pressing handle connected with the movable support through the short column, a long column connected with the tightening lock pressing handle at the other end of the tightening lock, a U-shaped column connected with the tightening lock pressing handle, and a nut for fixing the long column and the U-shaped column; the left semicircle and the right semicircle are movably hinged through the cylindrical pin; the piston is tightly locked and pressed between the inner parts of the left semicircle and the right semicircle, a piston groove is formed in one end of the piston, the number of the piston rings is 3, and the piston rings correspond to the piston grooves on the piston.
Preferably, the hook seat is provided with a column groove and a screw hole for being matched with the U-shaped column for locking, and the hook seat is fixed on the left semicircle through a screw.
Preferably, the movable support is provided with screw holes, and the movable support is fixed on the right semicircle through the screws.
Preferably, the tightening lock pressing handle is movably connected with the U-shaped column through the long column and the nut, and is movably connected with the movable support through the short column.
Preferably, two ends of the U-shaped column are fixedly connected with the nut.
Preferably, the piston and the connecting rod are movably connected through a connecting rod piston pin shaft.
The invention has the design key points that the opening and closing tool device is designed, the piston ring is installed in a piston groove at one end of the piston, the left semicircle and the right semicircle on the opening and closing tool device are tensioned through the tensioning lock pressing handle, so that the piston ring is fixedly pressed on the inner sides of the left semicircle and the right semicircle, the piston ring is prevented from generating larger friction resistance when the cylinder hole entering tool uses downward force, the left semicircle and the right semicircle are movably hinged and connected through the cylindrical pin, the operation is convenient, the installation speed is accelerated, and the production efficiency is improved.
Compared with the prior art, the piston ring and the inner side of the conical tool in the existing conical tool method are prevented from generating great friction resistance, the tool for entering the cylinder hole is time-consuming and labor-consuming, the tool for entering the cylinder hole is designed, the left semicircle and the right semicircle on the tool device are tensioned through the tensioning lock pressing handle, the piston ring is fixedly pressed on the inner side of the left semicircle and the right semicircle, the piston ring is prevented from generating great friction resistance when the tool for entering the cylinder hole uses downward force, the operation is convenient, the installation speed is increased, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic view of the whole structure of the invention in an open state.
Fig. 2 is a schematic view of the whole structure of the present invention in a closed state.
Fig. 3 is a schematic structural diagram of an open state of the opening and closing tool device of the present invention.
Fig. 4 is a schematic structural diagram of the closed state of the opening and closing tool device of the present invention.
Fig. 5 is an exploded view of the piston, connecting rod piston shaft and connecting rod of the present invention.
Fig. 6 is a schematic diagram of the piston, connecting rod piston shaft and connecting rod assembly of the present invention.
Fig. 7 is a schematic diagram of a piston ring according to the present invention.
FIG. 8 is a schematic diagram of a cross-sectional structure of a tooling for entering a cylinder hole.
Fig. 9 is a schematic diagram of the whole structure of the cylinder hole entering tool.
FIG. 10 is a schematic view of the left and right semi-circles of the present invention before manufacture;
FIG. 11 is a schematic view of the left and right semi-circles after manufacture of the present invention
Detailed Description
The invention will be described in detail with reference to the drawings and examples.
As shown in fig. 1 to 9, the invention provides an open-close piston cylinder hole tooling, which comprises an open-close tooling device 01, a piston 13 tightly locked and pressed on the inner side of the open-close tooling device 01, a piston ring 12 arranged at one end of the piston 13, a connecting rod 15 arranged at the other end of the piston 13, and a connecting rod piston pin 14 connecting the piston 13 and the connecting rod 15, wherein the open-close tooling device 01 comprises a left semicircle 2, a right semicircle 4 arranged on the symmetrical surface of the left semicircle 2, a cylindrical pin 3 connected between the left semicircle 2 and the right semicircle 4, a hook seat 1 fixed on the outer side surface of the left semicircle 2, a movable support 6 fixed on the outer side surface of the right semicircle 4, a screw 5 for fixing the movable support 6 and the right semicircle 4, a short column 11 connected on the movable support 6, a tightening lock pressing handle 7 connected with the movable support 6 through the short column 11, a long column 9 connected with the other end of the tightening lock pressing handle 7, a U-shaped column 10 connected with the tightening lock pressing handle 7 through the long column 9, and a semicircle nut 8 for fixing the long column 9 and the U-shaped column 10, the end head 4 is provided with a protrusion, and a pressing groove is arranged on the end of the left semicircle 2; the left semicircle 2 and the right semicircle 4 are movably hinged by a cylindrical pin 3; the piston 13 is tightly locked and pressed between the insides of the left semicircle 2 and the right semicircle 4, and one end of the piston 13 is provided with a piston groove.
The hook seat 1 on the opening and closing tool device 01 is provided with a column groove and a screw hole for being matched with the U-shaped column 10 to lock, when the tightening lock pressing handle 7 is pulled to lock, the U-shaped column 10 is clamped into the column groove on the hook seat 1, and the hook seat 1 is fixed on the left semicircle 2 through a screw. Screw holes are formed in the movable support 6, the movable support is fixed on the right semicircle 4 through the screws 5, the tightening lock pressing handle 7 is movably connected with the U-shaped column 10 through the long column 9 and the nuts 8, the opening and closing flexibility is guaranteed, the tightening lock pressing handle 7 is movably connected with the movable support 6 through the short columns 11 and finally connected with the right semicircle 4, two ends of the U-shaped column 10 are fixedly connected with the nuts 8, and the left semicircle 2 is movably hinged with the right semicircle 4 through the cylindrical pins 3. Thus, the left semicircle 2 and the right semicircle 4 can be freely moved and flexibly opened and closed.
The number of the piston rings 12 is 3, and the piston 13 is movably connected with the connecting rod 15 through a connecting rod piston pin 14 corresponding to a piston groove on the piston 13.
Before entering the cylinder hole frock, fix piston ring 12 on the piston groove on piston 13, embolia the inboard of left semicircle 2 and right semicircle 4 on opening and shutting tool equipment 01, pulling taut lock pressfitting handle 7, left semicircle 2 and right semicircle 4 tightly close under cylindric lock 3's flexible action, the protruding of left semicircle 2 end is closely laminated with right semicircle 4 end recess, the flexible rotation of rethread long post 9 and short post 11 makes U-shaped post 10 one end block in the post inslot on hook seat 1 to tight lock. The piston 13 and the connecting rod 15 are then assembled. When the tool for entering the cylinder hole is carried out, the assembled piston 13 and connecting rod 15 are placed into the cylinder body of the engine, and the piston 13 and the piston ring 12 sleeved in the tool device 01 for opening and closing are enabled to enter the cylinder sleeve of the engine by using a downward force. The piston ring is prevented from generating larger friction resistance, the operation is convenient, the installation speed is increased, and the production efficiency is improved.
When the locking device is specifically used, the piston ring is fixed on a piston groove on the piston, the piston ring is sleeved into the opening and closing tool device, the tightening lock pressing handle is pulled, the left semicircle and the right semicircle are tightly closed under the flexible action of the cylindrical pin, and one end of the U-shaped column is clamped in the column groove on the hook seat through flexible rotation of the long column and the short column, so that the locking is tightly performed. When the tool for entering the cylinder hole is used, a downward force is used for enabling the piston and the piston ring sleeved in the opening and closing tool device to enter the cylinder sleeve of the engine.
In addition, referring to fig. 10 and 11, in the process of manufacturing the left semicircle and the right semicircle in the open-close piston cylinder hole tool, the left semicircle and the semicircular have six sides and an inner circle are generally manufactured by a piece of material, then the left semicircle and the right semicircle are cut from the middle, and then the left semicircle and the right semicircle become ellipses after heat treatment, so that the open-close piston cylinder hole tool cannot press the piston ring and the piston into the cylinder hole, the problems shown in fig. 10 and 11 can be explained, special processing means are needed to solve the problems, the material is firstly heat treated, and then the left semicircle and the right semicircle are cut by linear cutting, so that the ellipse cannot be formed.
After the left semicircle and the right semicircle in fig. 11 are combined into a circle, the upper deviation of the tolerance of the circle must be smaller than the lower deviation of the cylinder hole, the lower deviation cannot be too small, otherwise, the circle cannot be used, and the tolerance rule is found after a few months of research.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the patent and scope of the invention should be pointed out with reference to the appended claims.

Claims (6)

1. The utility model provides a piston goes into jar hole frock which opens and shuts which characterized in that: comprises an opening and closing tool device (01), a piston (13) tightly locked and pressed on the inner side of the opening and closing tool device (01), a piston ring (12) arranged on one end of the piston (13), a connecting rod (15) arranged on the other end of the piston (13), and a connecting rod piston pin shaft (14) connected with the piston (13) and the connecting rod (15), wherein the opening and closing tool device (01) comprises a left semicircle (2), a right semicircle (4) arranged on the symmetrical surface of the left semicircle (2), a cylindrical pin (3) connected between the left semicircle (2) and the right semicircle (4), a hook seat (1) fixed on the outer side surface of the left semicircle (2), a movable support (6) fixed on the outer side surface of the right semicircle (4), a screw (5) fixed on the movable support (6) and the right semicircle (4), a short column (11) connected with the movable support (6) through the short column (11), a long column (9) connected with the other end of the tensioning lock pressing handle (7), a U-shaped protrusion (10) connected with the tensioning lock pressing handle (7) through the long column (9), and a U-shaped protrusion (8) arranged on the U-shaped protrusion (8), the end of the right semicircle (4) is provided with a groove, and the groove are matched and pressed; the left semicircle (2) and the right semicircle (4) are movably hinged through the cylindrical pin (3); a piston (13) is tightly and tightly pressed between the insides of the left semicircle (2) and the right semicircle (4), a piston groove is formed in one end of the piston (13), and the number of the piston rings (12) is 3 and corresponds to the piston groove on the piston (13).
2. The open-close piston cylinder hole entering tool according to claim 1, wherein: the hook seat (1) is provided with a column groove and a screw hole, and is used for being matched with the U-shaped column (10) to be locked, and the hook seat (1) is fixed on the left semicircle (2) through a screw.
3. The open-close piston cylinder hole entering tool according to claim 1, wherein: screw holes are formed in the movable support (6), and the movable support is fixed on the right semicircle (4) through the screws (5).
4. The open-close piston cylinder hole entering tool according to claim 1, wherein: the tensioning lock pressing handle (7) is movably connected with the U-shaped column (10) through the long column (9) and the nut (8), and is movably connected with the movable support (6) through the short column (11).
5. The open-close piston cylinder hole entering tool as set forth in claim 1, wherein: two ends of the U-shaped column (10) are fixedly connected with the nut (8).
6. The open-close piston cylinder hole entering tool as set forth in claim 1, wherein: the piston (13) is movably connected with the connecting rod (15) through the connecting rod piston pin shaft (14).
CN201811004779.9A 2018-08-30 2018-08-30 Tool for opening and closing piston to enter cylinder hole Active CN108747970B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811004779.9A CN108747970B (en) 2018-08-30 2018-08-30 Tool for opening and closing piston to enter cylinder hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811004779.9A CN108747970B (en) 2018-08-30 2018-08-30 Tool for opening and closing piston to enter cylinder hole

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CN108747970A CN108747970A (en) 2018-11-06
CN108747970B true CN108747970B (en) 2023-11-03

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1036634A2 (en) * 1999-03-18 2000-09-20 Federal-Mogul Burscheid GmbH Device for mounting pistons with outwardly clamping piston rings in a cylinder
CN2496602Y (en) * 2001-08-28 2002-06-26 宝山钢铁股份有限公司 Piston ring anchor ear apparatus
JP2005334988A (en) * 2004-05-25 2005-12-08 Honda Motor Co Ltd Piston ring assembly device
JP2014100748A (en) * 2012-11-19 2014-06-05 Honda Motor Co Ltd Installation method and installation device of piston
CN104339315A (en) * 2013-07-31 2015-02-11 浙江海洋学院 Piston ring dismounting device
CN104493579A (en) * 2014-11-25 2015-04-08 重庆光荣摩托车配件有限公司 Fixture for rough boring of engine cylinder block
CN204277911U (en) * 2014-12-10 2015-04-22 重庆小康工业集团股份有限公司 Engine piston enters cylinder frock
CN105881446A (en) * 2016-06-14 2016-08-24 广西玉柴机器股份有限公司 Piston fitting tool
CN106969688A (en) * 2017-04-24 2017-07-21 浙江机电职业技术学院 A kind of piston ring detecting tool
CN107160213A (en) * 2017-05-14 2017-09-15 姚钟钟 A kind of centering and clamping apparatus of T-shaped latch
CN206998729U (en) * 2017-06-26 2018-02-13 江苏上淮动力有限公司 Piston ring clamp
CN107775597A (en) * 2017-10-31 2018-03-09 仪征全新活塞环有限公司 Piston ring provision for disengagement is used in one kind maintenance
CN207736233U (en) * 2017-12-20 2018-08-17 浙江交通科技股份有限公司 A kind of piston unt dismantling device
CN208614688U (en) * 2018-08-30 2019-03-19 江西五十铃发动机有限公司 A kind of folding piston enters cylinder holes tooling

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1036634A2 (en) * 1999-03-18 2000-09-20 Federal-Mogul Burscheid GmbH Device for mounting pistons with outwardly clamping piston rings in a cylinder
CN2496602Y (en) * 2001-08-28 2002-06-26 宝山钢铁股份有限公司 Piston ring anchor ear apparatus
JP2005334988A (en) * 2004-05-25 2005-12-08 Honda Motor Co Ltd Piston ring assembly device
JP2014100748A (en) * 2012-11-19 2014-06-05 Honda Motor Co Ltd Installation method and installation device of piston
CN104339315A (en) * 2013-07-31 2015-02-11 浙江海洋学院 Piston ring dismounting device
CN104493579A (en) * 2014-11-25 2015-04-08 重庆光荣摩托车配件有限公司 Fixture for rough boring of engine cylinder block
CN204277911U (en) * 2014-12-10 2015-04-22 重庆小康工业集团股份有限公司 Engine piston enters cylinder frock
CN105881446A (en) * 2016-06-14 2016-08-24 广西玉柴机器股份有限公司 Piston fitting tool
CN106969688A (en) * 2017-04-24 2017-07-21 浙江机电职业技术学院 A kind of piston ring detecting tool
CN107160213A (en) * 2017-05-14 2017-09-15 姚钟钟 A kind of centering and clamping apparatus of T-shaped latch
CN206998729U (en) * 2017-06-26 2018-02-13 江苏上淮动力有限公司 Piston ring clamp
CN107775597A (en) * 2017-10-31 2018-03-09 仪征全新活塞环有限公司 Piston ring provision for disengagement is used in one kind maintenance
CN207736233U (en) * 2017-12-20 2018-08-17 浙江交通科技股份有限公司 A kind of piston unt dismantling device
CN208614688U (en) * 2018-08-30 2019-03-19 江西五十铃发动机有限公司 A kind of folding piston enters cylinder holes tooling

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《发动机活塞环的结构特点与安装技巧》;何丽敏;《农机使用与维修》;第27页 *

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