CN108757207A - A kind of high-precision connecting rod centering positioning piston - Google Patents
A kind of high-precision connecting rod centering positioning piston Download PDFInfo
- Publication number
- CN108757207A CN108757207A CN201810574428.5A CN201810574428A CN108757207A CN 108757207 A CN108757207 A CN 108757207A CN 201810574428 A CN201810574428 A CN 201810574428A CN 108757207 A CN108757207 A CN 108757207A
- Authority
- CN
- China
- Prior art keywords
- piston
- side wall
- connecting rod
- pin
- setting
- 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
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a kind of high-precision connecting rod centerings to position piston, including piston only, the piston cavity that Open Side Down is equipped in the piston only, two pin holes through setting are arranged on the side wall of the piston only, the piston pin being laterally arranged is equipped between two pin holes, and the both ends of piston pin are fixedly connected by piston ring with pin hole, the piston pin is hollow structure, and two pairs of mounting hole is arranged on the outside side wall of piston pin, and each pair of mounting hole setting in pairs, it is inserted with the casing being vertically arranged in each mounting hole, and it is inserted with the inserted link being vertically arranged between upper and lower two opposite casings, it is arranged with spring on the outside side wall of the inserted link, and the both ends of spring offset with the side wall of two casings setting respectively.In the present invention, high-precision connecting rod centering positioning piston can ensure that the precision of connecting rod centering causes piston to be destroyed to avoid connecting rod from shifting in piston pin.
Description
Technical field
The present invention relates to piston technical fields more particularly to a kind of high-precision connecting rod centering to position piston.
Background technology
Piston of automobile cans be compared to the central position of automobile engine, and extremely important status is accounted in engine start.
Piston of automobile is to drive bent axle to rotate by connecting rod for bearing gas pressure, and by piston pin, top land or combustion chamber
Component part.And general piston of automobile is divided into:Diesel engine piston, piston of gasoline engine, universal piston three categories.
Existing piston is when being moved, since connecting rod is not accurate enough in piston finger setting, once it shifts, piston
Huge friction is generated with the inner wall of piston cylinder, piston is resulted even in and is destroyed.
For this purpose, it is proposed that a kind of high-precision connecting rod centering positions piston to solve the above problems.
Invention content
The purpose of the present invention is to solve problems of the prior art, and a kind of high-precision connecting rod centering proposed
Position piston.
To achieve the goals above, present invention employs following technical solutions：
A kind of high-precision connecting rod centering positions piston, including piston only, and the piston that Open Side Down is equipped in the piston only
Inner cavity is arranged with two pin holes through setting on the side wall of the piston only, is equipped with laterally between two pin holes
The piston pin of setting, and the both ends of piston pin are fixedly connected by piston ring with pin hole, the piston pin is hollow structure, and
Two pairs of mounting hole, and the setting in pairs of each pair of mounting hole are arranged on the outside side wall of piston pin, in each mounting hole
It is inserted with the casing being vertically arranged, and the inserted link being vertically arranged is inserted between upper and lower two opposite casings, the inserted link
It is arranged with spring on outside side wall, and the both ends of spring offset with the side wall of two casings setting respectively, each described sleeve pipe
Outside side wall is equipped with annular shoulder block, and the side side wall of annular shoulder block and the side wall of mounting hole offset setting, the piston pin
Outside side wall on be arranged with connecting rod set, and the downside side wall of connecting rod set is equipped with the connecting rod being vertically arranged.
Preferably, the both ends outside side walls setting of the piston pin is in hexagon, and the inner wall setting of piston ring in
The hexagon that its size matches.
Preferably, the side side wall of each described sleeve pipe is equipped with spherical groove, and idler wheel is connected with roller in spherical groove, institute
The side wall for stating roller and connecting rod set offsets setting.
Preferably, two opposite locating slots of opening are arranged on the inner wall of the mounting hole, the annular shoulder block
Two locating pieces to match with locating slot are arranged on side wall.
The side for being preferably located at the described sleeve pipe on piston pin outside side wall is equipped with chamfering.
Preferably, annular mounting groove on the side wall that the annular shoulder block is in contact with mounting hole, and set in annular mounting groove
There is annular gasket.
Compared with prior art, the beneficial effects of the invention are as follows：High-precision connecting rod centering positioning piston passes through in piston
Two pairs of casings are arranged in the both sides for selling middle, and casing can freely be stretched by the telescopic action of spring, so as to even
Rod set is rapidly assembled, and accurate positioning；
By being in hexagonal prisms by the both ends setting of piston pin, and it is in matched six side by the setting of the inner wall of piston ring
Shape, to while piston pin is fixed, it be effectively prevent to rotate so that piston pin fixes fastening.
Description of the drawings
Fig. 1 is the structural schematic diagram that a kind of high-precision connecting rod centering proposed by the present invention positions piston；
Fig. 2 is the structural schematic diagram at A in Fig. 1；
Fig. 3 is the structural schematic diagram at B in Fig. 2；
Fig. 4 is the section of piston ring and piston pin connection relation that a kind of high-precision connecting rod centering proposed by the present invention positions piston
Structural schematic diagram.
In figure：1 piston only, 2 piston rings, 3 pin holes, 4 piston pins, 5 connecting rod sets, 6 connecting rods, 7 mounting holes, 8 casings, 9 balls
Shape slot, 10 rollers, 11 locating slots, 12 locating pieces, 13 annular shoulder blocks, 14 inserted links, 15 springs.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-4, a kind of high-precision connecting rod centering positions piston, including piston only 1, is equipped with and opens in piston only 1
Mouthful downward piston cavity, is arranged with two pin holes 3 through setting on the side wall of piston only 1, outside the both ends of piston pin 4
Side side wall setting is in hexagon, and the inner wall setting of piston ring 2 ensures piston pin 4 in the hexagon to match with its size
It is firm to be fixed, and prevents its rotation, and the piston pin 4 being laterally arranged is equipped between two pin holes 3, is located at 4 outside side of piston pin
The side of casing 8 on wall is equipped with chamfering, causes to wear to its side wall when preventing casing 8 from putting in the side wall of mounting hole 7, and piston
The both ends of pin 4 are fixedly connected by piston ring 2 with pin hole 3, and piston pin 4 is hollow structure, and on the outside side wall of piston pin 4
It is arranged with two pairs of mounting hole 7, two opposite locating slots 11 of opening, annular shoulder block 13 are arranged on the inner wall of mounting hole 7
Side wall on be arranged with two locating pieces to match with locating slot 11 12, while preventing casing 8 from rotating, also so that
Casing 8 is accurately positioned in assembly, is facilitated installation, and 7 setting in pairs of each pair of mounting hole, is inserted in each mounting hole 7
The casing 8 being vertically arranged, and it is inserted with the inserted link 14 being vertically arranged, the outside of inserted link 14 between upper and lower two opposite casings 8
Be arranged with spring 15 on side wall, and the both ends of spring 15 offset with the side wall of two casings 8 setting respectively, each casing 8 it is outer
Side side wall is equipped with annular shoulder block 13, and the side side wall of each casing 8 is equipped with spherical groove 9, and idler wheel is connected in spherical groove 9
Roller 10, the side wall of roller 10 and connecting rod set 5 offset setting, the gap between 5 and casing 8 can be covered with compensation link so that transport
It is dynamic more to stablize, and the side side wall of annular shoulder block 13 and the side wall of mounting hole 7 offset setting, annular shoulder block 13 and mounting hole 7
Annular mounting groove on the side wall being in contact, and annular gasket is equipped in annular mounting groove so that casing 8 is sprung back and mounting hole 7
Side wall is in contact buffering certain Shi Jiyou, and connecting rod set 5, and the downside side of connecting rod set 5 are arranged on the outside side wall of piston pin 4
Wall is equipped with the connecting rod 6 being vertically arranged.
In the present invention, the high-precision connecting rod centering position piston carry out connecting rod set 5 and connecting rod 6 assembly when, pass through by
4 one pair of which casing 8 of piston pin is pressed into mounting hole 7, and connecting rod set 5 is packed into piston pin 4, casing 8 is unclamped, due to spring
15 rebound effect so that two casings 8 stretch out again, are limited to connecting rod set 5 to the casing 8 at both ends, to ensure
The positioning of connecting rod set 5 is connected with setting in the piston pin 4 of hexagonal prisms in addition, the inner wall setting due to piston ring 2 is hexagonal
It connects, can prevent piston pin 4 from rotating, while fixation is more firm.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of high-precision connecting rod centering positions piston, including piston only（1）, which is characterized in that the piston only（1）In
Equipped with the piston cavity that Open Side Down, the piston only（1）Side wall on be arranged with two through setting pin holes（3）,
Two pin holes（3）Between be equipped with the piston pin that is laterally arranged（4）, and piston pin（4）Both ends pass through piston ring（2）With
Pin hole（3）It is fixedly connected, the piston pin（4）For hollow structure, and piston pin（4）Outside side wall on be arranged with two pairs of peaces
Fill hole（7）, and each pair of mounting hole（7）Setting in pairs, each mounting hole（7）In be inserted with the casing being vertically arranged（8）,
And upper and lower two opposite casings（8）Between be inserted with the inserted link being vertically arranged（14）, the inserted link（14）Outside side wall on
It is arranged with spring（15）, and spring（15）Both ends respectively with two casings（8）Side wall offset setting, each described sleeve pipe
（8）Outside side wall be equipped with annular shoulder block（13）, and annular shoulder block（13）Side side wall and mounting hole（7）Side wall offset
Setting, the piston pin（4）Outside side wall on be arranged with connecting rod set（5）, and connecting rod set（5）Downside side wall be equipped with it is vertical
The connecting rod of setting（6）.
2. a kind of high-precision connecting rod centering according to claim 1 positions piston, which is characterized in that the piston pin（4）
The setting of both ends outside side walls be in hexagon, and piston ring（2）Inner wall setting in the hexagon that matches with its size.
3. a kind of high-precision connecting rod centering according to claim 1 positions piston, which is characterized in that each described sleeve pipe
（8）Side side wall be equipped with spherical groove（9）, and spherical groove（9）Middle idler wheel is connected with roller（10）, the roller（10）With company
Rod set（5）Side wall offset setting.
4. a kind of high-precision connecting rod centering according to claim 1 positions piston, which is characterized in that the mounting hole（7）
Inner wall on be arranged with two opposite locating slots of opening（11）, the annular shoulder block（13）Side wall on be arranged with two
With locating slot（11）The locating piece to match（12）.
5. a kind of high-precision connecting rod centering according to claim 1 positions piston, which is characterized in that be located at piston pin（4）
Described sleeve pipe on outside side wall（8）Side be equipped with chamfering.
6. a kind of high-precision connecting rod centering according to claim 1 positions piston, which is characterized in that the annular shoulder block
（13）With mounting hole（7）Annular mounting groove on the side wall being in contact, and annular gasket is equipped in annular mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810574428.5A CN108757207A (en) | 2018-06-06 | 2018-06-06 | A kind of high-precision connecting rod centering positioning piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810574428.5A CN108757207A (en) | 2018-06-06 | 2018-06-06 | A kind of high-precision connecting rod centering positioning piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108757207A true CN108757207A (en) | 2018-11-06 |
Family
ID=63999127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810574428.5A Pending CN108757207A (en) | 2018-06-06 | 2018-06-06 | A kind of high-precision connecting rod centering positioning piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108757207A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5307732A (en) * | 1991-11-29 | 1994-05-03 | Caterpillar Inc. | Piston assembly having a wrist pin bolted therein |
| JP2000018383A (en) * | 1998-07-06 | 2000-01-18 | Toyota Motor Corp | Piston for internal combustion engine |
| US20060243240A1 (en) * | 2003-04-12 | 2006-11-02 | Galvin George F | Piston |
| JP2009002205A (en) * | 2007-06-20 | 2009-01-08 | Mazda Motor Corp | Structure for supporting piston for engine and its manufacturing method |
| JP2009079499A (en) * | 2007-09-25 | 2009-04-16 | Mitsubishi Motors Corp | Connecting structure of piston and connecting rod |
| CN203962184U (en) * | 2014-07-01 | 2014-11-26 | 舟山和成机械有限公司 | A kind of high-strength abrasion-proof engine piston assembly |
| CN204099025U (en) * | 2014-07-29 | 2015-01-14 | 宁波吉利罗佑发动机零部件有限公司 | A kind of engine piston cooling structure |
| CN204704008U (en) * | 2015-05-31 | 2015-10-14 | 傅景红 | Engine piston connecting rod assembly |
| CN107152350A (en) * | 2017-06-09 | 2017-09-12 | 华晨汽车集团控股有限公司 | A kind of engine piston connecting rod assembly |
| CN107489524A (en) * | 2016-12-19 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of vehicle and its engine |
| CN208294665U (en) * | 2018-06-06 | 2018-12-28 | 大丰市勇拓机械厂 | A kind of high-precision connecting rod centering positioning piston |
-
2018
- 2018-06-06 CN CN201810574428.5A patent/CN108757207A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5307732A (en) * | 1991-11-29 | 1994-05-03 | Caterpillar Inc. | Piston assembly having a wrist pin bolted therein |
| JP2000018383A (en) * | 1998-07-06 | 2000-01-18 | Toyota Motor Corp | Piston for internal combustion engine |
| US20060243240A1 (en) * | 2003-04-12 | 2006-11-02 | Galvin George F | Piston |
| JP2009002205A (en) * | 2007-06-20 | 2009-01-08 | Mazda Motor Corp | Structure for supporting piston for engine and its manufacturing method |
| JP2009079499A (en) * | 2007-09-25 | 2009-04-16 | Mitsubishi Motors Corp | Connecting structure of piston and connecting rod |
| CN203962184U (en) * | 2014-07-01 | 2014-11-26 | 舟山和成机械有限公司 | A kind of high-strength abrasion-proof engine piston assembly |
| CN204099025U (en) * | 2014-07-29 | 2015-01-14 | 宁波吉利罗佑发动机零部件有限公司 | A kind of engine piston cooling structure |
| CN204704008U (en) * | 2015-05-31 | 2015-10-14 | 傅景红 | Engine piston connecting rod assembly |
| CN107489524A (en) * | 2016-12-19 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of vehicle and its engine |
| CN107152350A (en) * | 2017-06-09 | 2017-09-12 | 华晨汽车集团控股有限公司 | A kind of engine piston connecting rod assembly |
| CN208294665U (en) * | 2018-06-06 | 2018-12-28 | 大丰市勇拓机械厂 | A kind of high-precision connecting rod centering positioning piston |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181106 |