CN109296683B - High-stability damping stop ring and machining process thereof - Google Patents
High-stability damping stop ring and machining process thereof Download PDFInfo
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- CN109296683B CN109296683B CN201811499994.0A CN201811499994A CN109296683B CN 109296683 B CN109296683 B CN 109296683B CN 201811499994 A CN201811499994 A CN 201811499994A CN 109296683 B CN109296683 B CN 109296683B
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- stop ring
- ring body
- steel sleeve
- ring
- annular
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Vibration Dampers (AREA)
Abstract
The invention relates to the technical field of stop ring processing, and discloses a high-stability damping stop ring which comprises a stop ring body, a first chamfer, a second chamfer, a first circular ring, a steel sleeve, a sliding block, an annular welding groove, a second circular ring, a strip-shaped square groove, a lining, an annular groove, a first butt welding groove and a second butt welding groove. The invention has reasonable design, changes the structure of the traditional stop ring with a gap by welding the connecting welding pieces in the two corresponding first butt welding grooves and the second butt welding grooves, is favorable for enhancing the impact strength of impact force brought to the stopper by welding to form a closed ring body, and achieves the effect that the contact stress direction between the stop ring body and the steel sleeve is changed along with the sliding and leaning of the inner part of the steel sleeve with the first ring, the second ring and the sliding block respectively under the mutual action of force, thereby being favorable for decomposing the impact force horizontally born by the stop ring, relieving the damage degree of the stop ring and prolonging the service life of the stop ring.
Description
Technical Field
The invention relates to a stop ring and a processing technology thereof, in particular to a high-stability damping stop ring and a processing technology thereof, belonging to the technical field of stop ring processing application.
Background
When an automobile passes through an uneven road surface, although a shock absorption spring in a shock absorption system can filter the shock of the road surface, the spring can still do reciprocating motion, a shock absorber is used for inhibiting the spring from jumping in a reciprocating mode, the shock absorber is structurally characterized in that a piston rod with a piston is inserted into a cylinder, the cylinder is filled with oil, the shock absorber comprises a piston rod, a piston and a piston cylinder, the piston is fixed on the piston rod and does piston motion in the piston cylinder along with the movement of the piston rod, usually, a limiting stopper is arranged on the piston rod, a stopping ring is welded in the wall of the piston cylinder, and the stopping ring abuts against the limiting stopper to prevent the piston from exceeding the stroke.
Thereby the stopper of removal can collide the check ring, and the check ring mostly not totally confined structure causes the intensity of impact resistance relatively poor, and then leads to check ring and piston cylinder to damage, has reduced life, and the impact force to the stopper brings simultaneously, and traditional check ring lacks and corresponds to carry out the breakdown structure to the impact force and alleviate the damage degree that the impact force brought check ring and piston cylinder. Therefore, a high-stability damping stop ring and a processing technology thereof are provided for solving the problems.
Disclosure of Invention
The present invention is directed to a shock-absorbing snap ring with high stability and a manufacturing process thereof.
The invention achieves the aim through the following technical scheme, the high-stability damping stop ring comprises a stop ring body, a lining sleeve, a fastening structure and a welding connection structure, wherein annular grooves are formed in the edges of the ports on the two sides of an inner hole of the stop ring body, the lining sleeve is arranged in the inner hole of the stop ring body, the two ends of the stop ring body are mutually attached together, the fastening structure comprises a first circular ring, a steel sleeve, a sliding block, a second circular ring and strip-shaped square grooves, the first circular ring is welded on one side of the annular surface of the stop ring body in a welding mode, the second circular ring is welded on the other side of the annular surface of the stop ring body in a welding mode, six strip-shaped square grooves are formed in the annular surface of the stop ring body between the first circular ring and the second circular ring at equal intervals, the inner ring of the steel sleeve is in sliding connection with the corresponding strip-shaped square grooves through the six sliding blocks, and the welding connection structure comprises an annular welding groove, the annular welding groove is formed in one side of the annular surface of the steel sleeve, the first butt welding grooves are symmetrically formed in the side surfaces of two sides of one end of the stop ring, and the side surfaces of two sides of the other end of the stop ring are provided with second butt welding grooves.
Preferably, the inner ring surface of the steel sleeve is of a conical table-board structure, and the inner ring surface is in sliding contact with the first circular ring surface and the second circular ring surface.
Preferably, the outer diameter of the first ring is larger than that of the second ring, and the cross section of the first ring and the cross section of the second ring are both in a semicircular block structure.
Preferably, the bushing is in an I-shaped structure, and the edge of the bushing is bonded in the corresponding annular grooves at the two sides of the stop ring.
Preferably, the outer diameter edge of the stop ring body and the outer diameter edge of the steel sleeve are respectively provided with a first chamfer and a second chamfer.
Preferably, the first butt weld groove and the second butt weld groove are fixedly welded to each other through a connecting weldment.
Preferably, the machining process of the high-stability damping stop ring comprises the following steps:
1) carrying out heat treatment on the cast stop ring body and the steel sleeve, and quenching and tempering by a continuous furnace;
2) turning the stop ring body: turning a first chamfer on the edge of the outer diameter of the stop ring body, forming a first circular ring and a second circular ring on the stop ring body through die casting, turning the first chamfer, then annularly turning six strip-shaped square grooves on the annular surface of the stop ring body, then respectively turning a first butt welding groove and a second butt welding groove on two sides of two ends of the stop ring body, and finally turning annular grooves on two side edges of an annular hole in the stop ring body;
3) turning of the steel sleeve: firstly, an annular welding groove is formed in one side of the annular surface of the steel sleeve, a second chamfer is turned on the outer edge of the port at one end of the steel sleeve, then the inner annular wall of the steel sleeve is turned into an inclined inner surface, and polishing and grinding are carried out;
4) stabilizing the stop ring body and the steel sleeve to eliminate machining stress;
5) assembling: the six sliding blocks are placed in the corresponding strip-shaped square grooves in a sliding mode, the tops of the sliding blocks are of inclined surface structures, then the steel sleeve is assembled on the stop ring body in a sliding mode according to the principle of expansion with heat and contraction with cold, the inner wall of the inner inclined surface of the steel sleeve abuts against the surfaces of the first circular ring, the second circular ring and the inclined surfaces of the tops of the sliding blocks in a sliding mode, and finally the bushing is installed in an inner circular hole of the stop ring body;
6) and finishing the processing.
The invention has the beneficial effects that:
1. this kind of high stability shock attenuation check ring and processing technology reasonable in design through placing welding in two first butt joint weld grooves and the second butt joint weld groove that correspond with connecting weldment, has changed traditional check ring and has stayed gapped structure, is favorable to forming the impact strength that seals the ring body and come the reinforcing to bring the impulsive force to the stopper through the welding.
2. The high-stability damping stop ring and the processing technology thereof are reasonable in design, are beneficial to decomposing the impact force horizontally received by the stop ring, relieve the damage degree of the stop ring, prolong the service life of the stop ring, are respectively attached to the first circular ring, the second circular ring and the sliding block in a sliding manner through the interior of the steel sleeve, and achieve the effect that the contact stress direction between the stop ring body and the steel sleeve is changed along with the contact stress direction under the interaction of the force.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a stop ring body according to the present invention;
FIG. 3 is a partial schematic view of the overall structure of the present invention;
FIG. 4 is a schematic diagram of the structure of a steel jacket according to the present invention.
In the figure: 1. the stop ring comprises a stop ring body, 2, a first chamfer, 3, a second chamfer, 4, a first circular ring, 5, a steel sleeve, 6, a sliding block, 7, an annular welding groove, 8, a second circular ring, 9, a strip-shaped square groove, 10, a lining, 11, an annular groove, 12, a first butt welding groove, 13 and a second butt welding groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a high-stability shock-absorbing snap ring includes a snap ring body 1, a bushing 10, a fastening structure and a welding structure, wherein the edges of two side ports of an inner hole of the snap ring body 1 are respectively provided with an annular groove 11, the bushing 10 is installed in the inner hole of the snap ring body 1, two ends of the snap ring body 1 are attached to each other, the fastening structure includes a first annular ring 4, a steel sleeve 5, a slider 6, a second annular ring 8 and a strip-shaped square groove 9, the first annular ring 4 is welded on one side of the annular surface of the snap ring body 1, the second annular ring 8 is welded on the other side of the annular surface of the snap ring body 1, six strip-shaped square grooves 9 are formed on the annular surface of the snap ring body 1 between the first annular ring 4 and the second annular ring 8 at equal intervals, the inner ring of the steel sleeve 5 is slidably connected with the corresponding strip-shaped square grooves 9 through the six sliders 6, and the welding structure includes an annular welding groove 7, the first butt welding groove 12 and the second butt welding groove 13 are formed, the annular welding groove 7 is formed in one side of the annular surface of the steel sleeve 5, the first butt welding groove 12 is symmetrically formed in the side surfaces of two sides of one end of the stop ring body 1, and the second butt welding groove 13 is formed in the side surfaces of two sides of the other end of the stop ring.
The inner ring surface of the steel sleeve 5 is of a conical table-board structure, and the inner ring surface is in sliding fit with the surface of the first circular ring 4 and the surface of the second circular ring 8; the outer diameter of the first ring 4 is larger than that of the second ring 8, and the cross section of the first ring 4 and the cross section of the second ring 8 are both in a semicircular block structure; the bushing 10 is of an I-shaped structure, and the edge of the bushing 10 is bonded in the corresponding annular grooves 11 on the two sides of the stop ring; the outer diameter edge of the stop ring body 1 and the outer diameter edge of the steel sleeve 5 are respectively provided with a first chamfer angle 2 and a second chamfer angle 3; the first butt weld groove 12 and the second butt weld groove 13 are fixedly welded to each other by a connecting weldment.
When the stop ring is used, the stop ring body 1 is assembled in the piston cylinder wall of the shock absorber through the steel sleeve 5, the annular welding groove 7 and the piston cylinder wall are welded and fixed, meanwhile, the largest port of the aperture of the steel sleeve 5 is positioned on one side of the stopper on the piston rod of the shock absorber, the piston rod of the shock absorber penetrates through the lining 10 of the inner ring of the stop ring body 1 in a sliding manner, and finally, the connecting welding pieces are placed in the two corresponding first butt welding grooves 12 and the second butt welding grooves 13 for welding, so that the structure that gaps are reserved in the traditional stop ring is changed, and the impact strength of impact force brought to the stopper is enhanced by forming a closed ring body through welding;
when the stopper impacts the stop ring body 1, the stop ring body 1 tends to move towards the steel sleeve 5, the hole diameter of the inner part of the steel sleeve 5 is gradually narrowed from outside to inside, and the inner part of the steel sleeve 5 is respectively attached to the first circular ring 4, the second circular ring 8 and the sliding block 6 in a sliding manner, so that the effect that the contact stress direction between the stop ring body 1 and the steel sleeve 5 is changed along with the change of the contact stress direction is achieved under the interaction of force, the impact force horizontally applied to the stop ring is favorably decomposed, the damage degree of the stop ring is relieved, and the service life of the stop ring is prolonged.
A processing technology of a high-stability damping stop ring comprises the following steps:
1) carrying out heat treatment on the cast stop ring body 1 and the steel sleeve 5, and quenching and tempering by a continuous furnace;
2) turning the snap ring body 1: turning a first chamfer 2 on the outer diameter edge of a stop ring body 1, forming a first circular ring 4 and a second circular ring 8 on the stop ring body 1 by die casting, turning the first chamfer 2, then turning six strip-shaped square grooves 9 on the annular surface of the stop ring body 1 in an annular manner, respectively turning a first butt welding groove 12 and a second butt welding groove 13 on two sides of two ends of the stop ring body 1, and finally turning annular grooves 11 on two side edges of an annular hole in the stop ring body 1;
3) turning of the steel sleeve 5: firstly, an annular welding groove 7 is formed in one side of the annular surface of a steel sleeve 5, a second chamfer 3 is turned on the outer edge of one end port of the steel sleeve 5, then the inner annular wall of the steel sleeve 5 is turned into an inclined inner surface, and polishing and grinding are carried out;
4) stabilizing the stop ring body 1 and the steel sleeve 5 to eliminate machining stress;
5) assembling: placing six sliding blocks 6 in corresponding strip-shaped square grooves 9 in a sliding mode, enabling the tops of the sliding blocks 6 to be of an inclined plane structure, then assembling a steel sleeve 5 on the stop ring body 1 in a sliding mode according to the principle of thermal expansion and cold contraction, enabling the inner wall of the inner inclined plane of the steel sleeve 5 to be attached to the surface of the first circular ring 4, the surface of the second circular ring 8 and the inclined plane of the tops of the sliding blocks 6 in a sliding mode, and finally installing a bushing 10 in an inner circular hole of the stop ring body 1;
6) and finishing the processing.
To sum up, this kind of high stability shock attenuation snap ring and processing technology reasonable in design have changed traditional snap ring and have stayed gapped structure, are favorable to forming the impact strength that seals the ring body and come the reinforcing to bring the impulsive impact power to the stopper through the welding, are favorable to decomposing the impact force that the snap ring level received simultaneously, alleviate the impaired degree of snap ring, improve snap ring life.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a high stability shock attenuation retaining ring, includes retaining ring body (1), bush (10), fastening structure and welds connection structure, retaining ring body (1) hole and install bush (10), its characterized in that: annular grooves (11) are formed in the edges of the ports on the two sides of the inner hole of the stop ring body (1), and the two ends of the stop ring body (1) are mutually attached together; the fastening structure comprises a first circular ring (4), a steel sleeve (5), a sliding block (6), a second circular ring (8) and strip-shaped square grooves (9), wherein the first circular ring (4) is welded on one side of the annular surface of the stop ring body (1) in a fusion welding mode, the second circular ring (8) is welded on the other side of the annular surface of the stop ring body (1) in a fusion welding mode, six strip-shaped square grooves (9) are formed in the annular surface of the stop ring body (1) between the first circular ring (4) and the second circular ring (8) in an annular equidistant mode, and the inner ring of the steel sleeve (5) is in sliding connection with the corresponding strip-shaped square grooves (9) through the six sliding blocks (6); the welding connection structure comprises an annular welding groove (7), a first butt welding groove (12) and a second butt welding groove (13), wherein the annular welding groove (7) is formed in one side of the annular surface of the steel sleeve (5), the first butt welding groove (12) is symmetrically formed in the side surfaces of two sides of one end of the stop ring body (1), and the side surfaces of two sides of the other end of the stop ring are provided with the second butt welding groove (13).
2. A high stability shock absorbing stop ring as defined in claim 1 wherein: the inner ring surface of the steel sleeve (5) is of a conical table-board structure, and the inner ring surface is attached to the surface of the first circular ring (4) and the surface of the second circular ring (8) in a sliding mode.
3. A high stability shock absorbing stop ring as defined in claim 1 wherein: the outer diameter of the first circular ring (4) is larger than that of the second circular ring (8), and the cross section of the first circular ring (4) and the cross section of the second circular ring (8) are both in a semicircular block structure.
4. A high stability shock absorbing stop ring as defined in claim 1 wherein: the bushing (10) is of an I-shaped structure, and the edge of the bushing (10) is bonded in the corresponding annular grooves (11) on the two sides of the stop ring.
5. A high stability shock absorbing stop ring as defined in claim 1 wherein: a first chamfer (2) and a second chamfer (3) are respectively arranged on the outer diameter edge of the stop ring body (1) and the outer diameter edge of the steel sleeve (5).
6. A high stability shock absorbing stop ring as defined in claim 1 wherein: the first butt welding groove (12) and the second butt welding groove (13) are fixedly welded to each other through a connecting weldment.
7. The process for machining a shock-absorbing stop ring with high stability according to any one of claims 1 to 6, wherein: the method comprises the following steps:
1) carrying out heat treatment on the cast stop ring body (1) and the steel sleeve (5), and quenching and tempering by a continuous furnace; 2) turning the stop ring body (1): turning a first chamfer (2) on the outer diameter edge of a stop ring body (1), forming a first circular ring (4) and a second circular ring (8) on the stop ring body (1) by die casting, turning the first chamfer (2), then turning six strip-shaped square grooves (9) on the annular surface of the stop ring body (1), then respectively turning a first butt welding groove (12) and a second butt welding groove (13) on two sides of two ends of the stop ring body (1), and finally turning annular grooves (11) on two side edges of an inner annular hole of the stop ring body (1); 3) turning of the steel sleeve (5): firstly, an annular welding groove (7) is formed in one side of the annular surface of the steel sleeve (5), a second chamfer (3) is turned on the outer edge of the port at one end of the steel sleeve (5), then the inner annular wall of the steel sleeve (5) is turned into an inclined inner surface, and polishing and grinding are carried out; 4) stabilizing the stop ring body (1) and the steel sleeve (5) to eliminate machining stress; 5) assembling: the six sliding blocks (6) are placed in the corresponding strip-shaped square grooves (9) in a sliding mode, the tops of the sliding blocks (6) are of an inclined plane structure, then the steel sleeve (5) is assembled on the stop ring body (1) in a sliding mode according to the principle of thermal expansion and cold contraction, the inner wall of the inner inclined plane of the steel sleeve (5) is attached to the surface of the first circular ring (4), the surface of the second circular ring (8) and the inclined plane of the tops of the sliding blocks (6) in a sliding mode, and finally the bushing (10) is installed in the inner circular hole of the stop ring body (1); 6) and finishing the processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811499994.0A CN109296683B (en) | 2018-12-10 | 2018-12-10 | High-stability damping stop ring and machining process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811499994.0A CN109296683B (en) | 2018-12-10 | 2018-12-10 | High-stability damping stop ring and machining process thereof |
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| Publication Number | Publication Date |
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| CN109296683A CN109296683A (en) | 2019-02-01 |
| CN109296683B true CN109296683B (en) | 2020-08-04 |
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| CN201811499994.0A Active CN109296683B (en) | 2018-12-10 | 2018-12-10 | High-stability damping stop ring and machining process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2663612B1 (en) * | 1990-06-25 | 1992-09-18 | Schlumberger Cie Dowell | SEALING CARTRIDGE FOR PISTON AND VALVE MACHINE AND MACHINE USING THE SAME. |
| DE4322304C1 (en) * | 1993-07-05 | 1994-11-24 | Joern Gmbh | Pivot bearing, particularly for an axle guide of a motor vehicle |
| EP3272249B1 (en) * | 2006-12-20 | 2019-04-24 | Herman Miller, Inc. | Furniture leg attachment system |
| CN102135181A (en) * | 2011-01-04 | 2011-07-27 | 安徽福马车桥有限公司 | Adjusting nut with double oil seals for through axle of automobile drive axle |
| CN103115050B (en) * | 2013-01-30 | 2015-09-09 | 万向钱潮传动轴有限公司 | A kind of forced locking device |
| CN206626056U (en) * | 2016-11-22 | 2017-11-10 | 浙江开乐新能源科技有限公司 | A kind of novel rotation stopping mechanism |
| CN207961382U (en) * | 2018-03-27 | 2018-10-12 | 宁波金恒汽车零部件有限公司 | High stability damper locating snap ring |
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