CN101037975A - Combined piston ring with novel locating device and manufacturing method thereof - Google Patents
Combined piston ring with novel locating device and manufacturing method thereof Download PDFInfo
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- CN101037975A CN101037975A CN 200710078397 CN200710078397A CN101037975A CN 101037975 A CN101037975 A CN 101037975A CN 200710078397 CN200710078397 CN 200710078397 CN 200710078397 A CN200710078397 A CN 200710078397A CN 101037975 A CN101037975 A CN 101037975A
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- ring
- locating
- locating stud
- makeup
- attachment hole
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Abstract
The invention discloses a combined piston ring having new type positioning device and manufacturing method thereof, comprising upper composing ring and lower composing ring and positioning device for positioning the two composing rings. The positioning device includes a positioning pin, positioning slot, and also a positioning pin jointing hole provided between inner edge and outer edge of the upper composing ring or lower composing ring, the positioning pin is closely jointed with one ring through the hole, which is then inserted to positioning slot of another composing ring, the upper composing ring and the lower composing ring are positioned and assembled, ports of the upper composing ring and the lower composing ring are interlaced. Positioning slot of the combined piston ring and the positioning pin jointing hole are formed by pulse laser processing. Positioning device of the invention does not damage the inner and outer edges of the piston ring, ring surface finish and flatness will not be destroyed, which can be provided on any position of the ring surface, processing of the device is easy, and cost is low, which can prolong using lives of the cylinder and the piston ring.
Description
Technical field
The present invention relates to relate to a kind of piston ring, particularly a kind of compound piston ring that has novel locating device also relates to the manufacture method of this piston ring.
Background technique
In the prior art, the part internal-combustion engine piston ring is that a monocycle only is installed in the per pass piston ring groove, the opening mutual dislocation of multiple tracks compression ring is installed, in the work of this piston ring internal-combustion engine, the passage that there is axial gas leakage all the time in the ring opening and radially leaks gas, and along with wear of piston-rings, the ring opening is increasing, its leakage path can increase gradually, make internal-combustion engine be short of power, waste fuel oil, noise is big and carbon distribution is serious; The structure of biplate piston ring occurs installing in the per pass piston ring groove, by positioning device two piston ring ports are staggered during installation, can solve the problem of piston ring axial leakage.But two piston rings can be done relative circumferential movement in the course of the work, if port is relative, then cause axial leakage.Be head it off, Chinese patent ZL03263421 discloses a kind of Combined gaseous ring that seals interlock that has "; with the anchor ring of central port 180 degree on the positioning boss that welds and following associative ring location; upper film loop causes the distortion maximum after stressed biggest place welds, and the polishing of butt welding point can cause the anchor ring quality problems again; Chinese patent ZL03201741.3 discloses a kind of male and female bicycle piston ring, ZL200420033278 discloses a kind of location and sealed the built-up piston compression ring, two patents all are provided with positioning device to compound piston ring, all be at last associative ring port grooving installing and locating boss, following associative ring grooving cooperates the location with boss, solved because of big moment and encircled the frangibility problem.Facts have proved, because the influence and the restriction of processing technology, when reaching 0.6-0.8mm, the grooving length of installing and locating boss will cause the collapse-deformation of ring body outer rim, if less than 0.6mm then grooving length is not enough, if the following locating slot of associative ring is cut out arranged in dislocation at the ring inner edge opening dislocation distance is increased, but ring can cause distortion again down.And below all take modes such as machining and welding to carry out, not only damage the piston ring inner edge, influence planeness and degree of finish, also changed the characteristic of piston ring material.Seal in the structure of built-up piston compression ring location in Chinese patent ZL200420033278 exactly in addition, because the opening of last lower makeup ring dislocation length is not enough and upper film loop does not have sealing device, high pressure-temperature gas can seal in the increase in temperature that makes piston.Therefore, the positioning device of compound piston ring in the prior art because, course of working complexity not only, and bigger to the piston ring damage, make the piston ring life-span low, cost is high, influences the cylinder working state.
Therefore, need a kind of positioning device that can be arranged on any position of anchor ring, do not influence the planeness and the degree of finish of anchor ring in the course of working, and the piston ring inner edge is not caused damage, be subjected to the compound piston ring that big moment also can not fracture.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of compound piston ring that has novel locating device, the positioning device of piston ring of the present invention can be arranged on any position of anchor ring, each makeup ring port of back is installed to be staggered, do not influence the planeness and the degree of finish of anchor ring in the course of working, do not damage the inner edge of each makeup ring, each ring situation such as can not fracture in the using process, prolonged the working life of cylinder and piston ring, and processing cost is low, simple to operate.
The compound piston ring that has novel locating device of the present invention, comprise upper makeup ring and lower makeup ring and with two makeup ring positioning means for positioning, positioning device comprises locating stud, locating slot, described positioning device also comprises the inner edge that is arranged on upper makeup ring or lower makeup ring and the locating stud attachment hole between the outer rim, described locating stud passes the locating stud attachment hole and closely connects with it, and insert in the locating slot of another makeup ring, with upper makeup ring and the assembling of lower makeup ring location, the port of described upper makeup ring and lower makeup ring staggers mutually.
Further, described locating slot is arranged between the inner edge and outer rim of upper makeup ring or lower makeup ring;
Further, described locating stud is riveted on upper makeup ring or the lower makeup ring after inserting the locating stud attachment hole;
Further, described locating slot is arranged on the lower makeup ring, and locating stud and locating stud attachment hole are arranged on the upper makeup ring;
Further, at least one both sides, central port of described upper makeup ring or lower makeup ring are processed with otch, and the both sides otch is formed polarizing slot jointly and replaced locating slot;
Further, described locating stud attachment hole is arranged on the central port and is 90 ° of angular range with on the interior anchor ring with respect to the piston ring center of circle, and the distance of the center of described polarizing slot and ring inner edge is less than 1/2 of ring body radial width;
Further, described locating slot and locating stud attachment hole are arranged on the central port and are 90 ° of angular range with on the interior anchor ring with respect to the piston ring center of circle, and the center of locating slot and locating stud attachment hole and ring inner edge distance are less than 1/2 of ring body radial width;
Further, described locating stud is that diameter is the cylindrical body of 0.7mm-1.5mm;
Further, described locating stud radial cross section is triangle, circular arc, rectangle or ellipse.
A kind of manufacture method that provides manufacturing the present invention to have the compound piston ring of novel locating device is provided be may further comprise the steps:
(1) processes locating stud attachment hole and the locating slot that matches with locating stud respectively with pulse laser at the selected position of upper makeup ring and lower makeup ring;
(2) locating stud is inserted in the locating stud attachment hole on the makeup ring, with the locating stud riveted joint or be welded on the makeup ring;
(3) will rivet the back redundance with pulse laser and remove, keep anchor ring degree of finish and planeness.
The invention has the beneficial effects as follows: invent the described positioning device that has the compound piston ring of novel locating device and can be arranged on any position of encircling between inner edge, the outer rim, locating slot and locating stud attachment hole adopt pulse laser to process, locating stud inserts and closely is connected on the makeup ring in the locating stud attachment hole, can not influence anchor ring degree of finish and planeness, do not damage the inner edge of each makeup ring, each ring situation such as can not fracture in the using process has prolonged working life of cylinder and piston ring; And processing cost is low, simple to operate; In addition, if form polarizing slot jointly at makeup ring both sides otch, this moment, locating stud also played the effect of pressurizing window sheet, stoped the radial leakage of pressurized gas.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is first kind of example structure schematic representation of compound piston ring that has novel locating device of the present invention;
Fig. 2 is the right elevation of makeup ring 1 among Fig. 1;
Fig. 3 is the right elevation of makeup ring 2 among Fig. 1;
Fig. 4 is second kind of example structure schematic representation of compound piston ring that has novel locating device of the present invention;
Fig. 5 is Fig. 4 right elevation;
Fig. 6 is a kind of example structure schematic representation of compound piston ring locating stud that has novel locating device of the present invention;
Fig. 7 is second kind of example structure schematic representation of compound piston ring locating stud that has novel locating device of the present invention;
Fig. 8 is the third example structure schematic representation of compound piston ring locating stud that has novel locating device of the present invention;
Embodiment
Embodiment one
Fig. 1 is first kind of example structure schematic representation of compound piston ring that has novel locating device of the present invention; Two makeup rings are the radial overlap choma, as shown in the figure, a has the upper makeup ring 1 of the compound piston ring of novel locating device for the present invention, be processed with circular locating stud attachment hole 4 on interior plane of a loop being 90 ° of angular range with respect to the piston ring center of circle with port, to be less than or equal to 30 ° is best angle, present embodiment is 30 °, and big moment is not born at assurance locating stud attachment hole 4 places, and locating stud attachment hole 4 diameters are 0.9mm; B has the lower makeup ring 2 of the compound piston ring of novel locating device for the present invention, be processed with circular locating slot 3 on interior plane of a loop being 90 ° of angular range with respect to the piston ring center of circle with port, to be less than or equal to 30 ° is best angle, present embodiment is 30 °, locating slot 3 diameters are 1.1mm, and back, assembling location guarantees that the port of assembling back two rings fully staggers; Locating stud 5 is cylindrical, and diameter is 0.9mm, passes locating stud attachment hole 4 and is riveted in the locating stud attachment hole 4; Locating slot 3 diameters help assembling greater than locating stud 5 diameters; The center of above-mentioned locating slot 3 or locating stud attachment hole 4 and ring inner edge distance are less than 1/2 of ring body radial width, to guarantee piston ring intensity; Fig. 2 is the right elevation of upper makeup ring 1; Fig. 3 is the right elevation of lower makeup ring 2, and as shown in the figure, locating stud 5 passes locating stud attachment hole 4 and riveted joint, when two rings assemble, the locating stud that is arranged on the upper makeup ring 1 is inserted in the locating slot 3 of lower makeup ring 2, positions assembling.Certainly, locating slot 3 also can be arranged on the upper makeup ring 1, and corresponding locating stud attachment hole 4 is arranged on the lower makeup ring; Locating slot 3 or locating stud attachment hole 4 can be arranged on any position on the piston ring circumference, owing to adopt the method for pulse laser processing and riveted joint, do not influence the intensity of piston ring, can adopt other Placements such as welding, crimping yet, can reach effect same yet; Locating stud attachment hole 4 and locating slot 3 are not limited to circle, can also be circular arc, rectangle, ellipse etc., but because circular grooving or Kong Buhui produce stress on piston ring concentrate, therefore the best; Locating stud 5 also is not limited to cylindrical, cross section can be shapes such as triangle, rectangle, circular arc, ellipse, the diameter of locating slot 3, locating stud attachment hole 4 and locating stud 5 also is not limited to above numerical value, for adapting to the piston ring of different size, diameter or radial width can be any numerical value of 0.7-1.5mm.
Embodiment two
Fig. 4 is second kind of example structure schematic representation of compound piston ring that has novel locating device of the present invention; Two makeup rings are straight choma as shown in the figure, are processed with otch at makeup ring port two ends, and the both sides otch is formed polarizing slot 6 jointly, and polarizing slot 6 is circular arc by the piston ring inner edge, and radial width is 1.4mm.Be processed with circular locating stud attachment hole 4 being with respect to the piston ring center of circle on the ring of 30 ° of angles with port, diameter is 0.9mm, the part that locating stud 5 inserts locating stud attachment hole 4 is cylindrical, the localization part cross section is a circular arc, match with polarizing slot 6, polarizing slot 6 arc length are greater than the arc length of locating stud 5, and this structural orientation pin had both played the effect that positioning action also plays the pressurizing window sheet; Locating stud attachment hole 4 is corresponding with polarizing slot 6, is arranged on the position of makeup ring near inner edge; The present invention has the lower makeup ring 2 of the compound piston ring of novel locating device, and structure and upper makeup ring 1 are basic identical, and it is relative that back two loop mapping pins are installed, and inserts the polarizing slot of another makeup ring separately.In this kind structure, also play the effect of pressurizing window sheet when locating stud has played positioning action, stop the radial leakage of pressurized gas.Fig. 5 is the right elevation of Fig. 4, as shown in the figure, the locating stud attachment hole 4 that locating stud 5 barrel portions pass on the makeup ring is riveted, in the assembly process, the locating stud cross section is the polarizing slot 6 that the part of circular arc is inserted another makeup ring, positions assembling and plays sealing effect.Certainly, can only open polarizing slot 6 on a makeup ring therein, and locating stud 5 is set on another makeup ring; Polarizing slot 6 can not be arranged on other positions by the piston ring inner edge yet; Locating stud attachment hole 4 is not limited to be arranged on port and is the position of 30 ° of angles with respect to the piston ring center of circle, can be arranged on other positions on the piston ring circumference, owing to adopt the method for pulse laser processing and riveted joint, does not influence the intensity of piston ring substantially; Locating stud attachment hole 4 is not limited to circle, can also be circular arc, rectangle, ellipse, triangle etc., diameter or radial width also are not limited to 0.9mm, in order to adapt to the piston ring of different sizes, for adapting to the piston ring of different size, the diameter of locating stud 5 or radial width can be any numerical value of 0.7-1.5mm, and it is corresponding with it that locating stud 5 inserts locating stud connection hole portions shape of cross section, but because producing stress on piston ring, circular incision or Kong Buhui concentrate, therefore best; Polarizing slot 6 also is not limited to circular arc, also can be rectangle, ellipse even is circle or triangle etc., and locating stud localization part cross section can be shapes such as rectangle, ellipse; The polarizing slot of opening on the makeup ring 6 can pass through each makeup ring inner edge.
Fig. 6 is first kind of example structure schematic representation of compound piston ring locating stud that has novel locating device of the present invention, and as shown in the figure, locating stud 5 is a cylindrical body, and diameter is 0.9mm.
Fig. 7 is second kind of example structure schematic representation of compound piston ring locating stud that has novel locating device of the present invention, as shown in the figure, locating stud 5 is divided into cylindrical body and cross section is a circular shape obform body dimerous, the circular arc radial width is 0.9mm, and cylinder diameter is 0.9mm.
Fig. 8 is the third example structure schematic representation of compound piston ring locating stud that has novel locating device of the present invention; Locating stud 5 is divided into cylindrical body and cross section is a rectangular shape obform body dimerous, and the rectangle radial width is 0.9mm, and cylinder diameter is 0.9mm.The major advantage of present embodiment is easy to process, and is simple in structure.
The structure of locating stud is not limited to above three kinds of embodiments, and its cross section can also be shapes such as triangle, ellipse.The length of locating stud and obform body each several part length are different and different according to the piston ring size.
The manufacture method embodiment that manufacturing the present invention of the present invention has the compound piston ring of novel locating device may further comprise the steps:
(1) on lower makeup ring 2, processes circular locating slot with pulse laser, diameter is 1.1mm, process circular locating stud attachment hole on upper makeup ring 1, diameter is 0.9mm, and the center of locating slot and locating stud attachment hole and ring inner edge distance are less than 1/2 of ring body radial width.
(2) the locating stud attachment hole that processes with pulse laser that the locating stud riveting portion is passed on the makeup ring is riveted;
(3) will rivet the back redundance with pulse laser and remove, to keep anchor ring degree of finish and planeness.
Two makeup rings have riveted joint locating stud on the makeup ring of locating stud to insert in the locating slot on another makeup ring in assembly process, position assembling between two makeup rings.
Present embodiment just explanation is made the method step that the present invention has the compound piston ring of novel locating device, and above sized data can not limit compound piston ring protection domain of the present invention comprehensively.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (11)
1. compound piston ring that has novel locating device, comprise upper makeup ring (1) and lower makeup ring (2) and with two makeup ring positioning means for positioning, positioning device comprises locating slot (3) and locating stud (5), it is characterized in that: described positioning device also comprises the inner edge that is arranged on upper makeup ring (1) or lower makeup ring (2) and the locating stud attachment hole (4) between the outer rim, described locating stud (5) passes locating stud attachment hole (4) and closely connects with it, and insert in the locating slot (3) of another makeup ring, with upper makeup ring (1) and the assembling of lower makeup ring (2) location, the port of described upper makeup ring (1) and lower makeup ring (2) staggers mutually.
2. according to the described compound piston ring that has novel locating device of claim 1, it is characterized in that: described locating slot (3) is arranged between the inner edge and outer rim of upper makeup ring (1) or lower makeup ring (2).
3. according to claim 1 or the 2 described compound piston rings that have novel locating device, it is characterized in that: described locating stud (5) is riveted on upper makeup ring (1) or the lower makeup ring (2) after passing locating stud attachment hole (4).
4. according to claim 1 or the 2 described compound piston rings that have novel locating device, it is characterized in that: described locating slot (3) is arranged on the lower makeup ring (2), and locating stud (5) and locating stud attachment hole (4) are arranged on the upper makeup ring (1).
5. according to the described compound piston ring that has novel locating device of claim 3, it is characterized in that: described locating slot (3) is arranged on the lower makeup ring (2), and locating stud (5) and locating stud attachment hole (4) are arranged on the upper makeup ring (1).
6. according to the described compound piston ring that has novel locating device of claim 1, it is characterized in that: described upper makeup ring (1) or at least one both sides, central port of lower makeup ring (2) are processed with otch, and the both sides otch is formed polarizing slot (6) jointly and replaced locating slot (4).
7. according to the described compound piston ring that has novel locating device of claim 5, it is characterized in that: described locating stud attachment hole (4) is arranged on the central port and is 90 ° of angular range with on the interior anchor ring with respect to the piston ring center of circle, and the distance of the center of described polarizing slot (6) and ring inner edge is less than 1/2 of ring body radial width.
8. according to claim 1 or the 2 or 5 described compound piston rings that have novel locating device, it is characterized in that: described locating slot (3) and locating stud attachment hole (4) are arranged on the central port and are 90 ° of angular range with on the interior anchor ring with respect to the piston ring center of circle, and the center of locating slot (3) and locating stud attachment hole (4) and ring inner edge distance are less than 1/2 of ring body radial width.
9. according to the described compound piston ring that has novel locating device of 1,2,5,6,7 arbitrary claims, it is characterized in that: described locating stud (5) is the cylindrical body of 0.7mm-1.5mm for diameter.
10. according to the described compound piston ring that has novel locating device of 1,2,5,6,7 arbitrary claims, it is characterized in that: described locating stud (5) radial cross section is triangle, circular arc, rectangle or ellipse.
11. a novel manufacture method that has the compound piston ring of positioning device may further comprise the steps:
(1) processes locating stud attachment hole and the locating slot that matches with locating stud respectively with pulse laser at the selected position of upper makeup ring (1) and lower makeup ring (2);
(2) locating stud is inserted in the locating stud attachment hole on the makeup ring, and locating stud is riveted on the makeup ring with pulse laser;
(3) will rivet the back redundance with pulse laser and remove, keep anchor ring degree of finish and planeness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710078397 CN101037975A (en) | 2007-04-17 | 2007-04-17 | Combined piston ring with novel locating device and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710078397 CN101037975A (en) | 2007-04-17 | 2007-04-17 | Combined piston ring with novel locating device and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101037975A true CN101037975A (en) | 2007-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710078397 Pending CN101037975A (en) | 2007-04-17 | 2007-04-17 | Combined piston ring with novel locating device and manufacturing method thereof |
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| CN (1) | CN101037975A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011137747A1 (en) * | 2010-05-07 | 2011-11-10 | 王胜 | Piston ring for sealing gas and piston |
| US8827277B2 (en) | 2010-08-20 | 2014-09-09 | Zengli Yang | Oil-reserving piston ring |
| CN105863870A (en) * | 2016-04-09 | 2016-08-17 | 唐思钊 | Piston ring |
| CN105889502A (en) * | 2016-04-27 | 2016-08-24 | 唐思钊 | Piston ring |
| CN111853233A (en) * | 2019-04-26 | 2020-10-30 | 株式会社神户制钢所 | Piston ring, reciprocating compressor, piston ring selection method, and life evaluation method |
-
2007
- 2007-04-17 CN CN 200710078397 patent/CN101037975A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011137747A1 (en) * | 2010-05-07 | 2011-11-10 | 王胜 | Piston ring for sealing gas and piston |
| US8827277B2 (en) | 2010-08-20 | 2014-09-09 | Zengli Yang | Oil-reserving piston ring |
| CN105863870A (en) * | 2016-04-09 | 2016-08-17 | 唐思钊 | Piston ring |
| CN105863870B (en) * | 2016-04-09 | 2019-04-16 | 唐思钊 | Piston ring |
| CN105889502A (en) * | 2016-04-27 | 2016-08-24 | 唐思钊 | Piston ring |
| CN105889502B (en) * | 2016-04-27 | 2017-12-05 | 重庆驰山机械有限公司 | A kind of piston ring |
| CN111853233A (en) * | 2019-04-26 | 2020-10-30 | 株式会社神户制钢所 | Piston ring, reciprocating compressor, piston ring selection method, and life evaluation method |
| CN111853233B (en) * | 2019-04-26 | 2022-07-19 | 株式会社神户制钢所 | Piston ring, reciprocating compressor, piston ring selection method, and life evaluation method |
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Open date: 20070919 |