CN104728248A - Resilient pad - Google Patents
Resilient pad Download PDFInfo
- Publication number
- CN104728248A CN104728248A CN201510162394.5A CN201510162394A CN104728248A CN 104728248 A CN104728248 A CN 104728248A CN 201510162394 A CN201510162394 A CN 201510162394A CN 104728248 A CN104728248 A CN 104728248A
- Authority
- CN
- China
- Prior art keywords
- inner edge
- shim body
- edge
- resilient pad
- pad body
- 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
- 230000007704 transition Effects 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
- F16B39/26—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object with spring washers fastened to the nut or bolt-head
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
Abstract
The invention relates to a resilient pad. The resilient pad comprises an annular pad body, wherein the pad body is shaped like a circular truncated cone, the inner edge of the pad body is higher than the outer edge of the pad body, and the inner edge and the outer edge of the pad body are coaxial, a concave-convex corrugated edge is arranged on the side, near the inner edge, of the pad body and evenly arranged in the peripheral direction of the inner edge in a central symmetry mode, and the thickness of the pad body is uniform. The bottom edge of the circular truncated cone is formed at the outer edge of the pad body, the top edge of the circular truncated cone is formed at the inner edge of the pad body, when the pad body is squeezed, the inner edge of the pad body collapses and deforms towards the plane where the outer edge is located, and then elasticity is generated. As a continuous structure is formed on the whole periphery, uniform elasticity is kept on the whole periphery. The concave-convex corrugated edge is like a falbala or stringy selvedge, when the inner edge is squeezed, the corrugated edge can deform in the two directions, internal stress generated by deformation can be absorbed, the inner edge is not prone to fatigue, and the service life of a whole part is prolonged.
Description
Technical field
The present invention relates to a kind of pad, particularly relate to a kind of resilient pad, belong to fastening piece part technical field.
Background technique
During bolt retaining element, usually just flat gasket to be installed under the nut, to increase firm contact area, and scratch part surface when can prevent nut from rotating.On the equipment with vibration, mounting fastener also needs mounting spring pad for locking, and bolt also can produce lax due to following reason: the wearing and tearing of easily damaged parts, creep, thermal expansion, contraction, or the compression of Sealing.Therefore, spring washer is widely used in the load and non-bearing structure of common mechanical product, is characterized in low cost, easy for installation, is applicable to install and remove position frequently.
The ring-type that traditional spring washer is off, when being flattened by spring washer after nut, the elastic force of spring washer prevents nut loosening.But the elastic force of conventional springs packing ring is little, incision position distortion is maximum, and elasticity is also the strongest, position distortions more away from fracture is less, and elasticity is also more weak, can not circumferentially keep uniform elasticity whole, and this spring washer can only attaching nut or like parts use, and pull bar can not be coordinated to use.
GB/T 955-1987 defines the structure of wavy spring packing ring, and its outer rim is planar circular, and inner edge is provided with arc elastic position, less with the area of contact of nut, amount of deformation is also less, and arc part can only unidirectionally be out of shape when being out of shape, and the inner edge of pad easily produces stress fatigue.
Also have a kind of resilient pad in prior art, at the position of distortion fluting, form many radial gaps at circumferencial direction, be beneficial to the distortion at elasticity position, but largely reducing the elastic force of distortion generation.
Existing disc spring or diaphragm spring all can only produce the elastic force in a direction, can not realize the bilateral switching of elastic force.
Summary of the invention
The object of the invention is to, overcome problems of the prior art, provide a kind of resilient pad, elastic force is large, and can circumferentially keep uniform elasticity whole.
For solving above technical problem, a kind of resilient pad of the present invention, comprises the shim body of ring-type, and described shim body is frustoconic shape, and the inner edge of shim body is higher than the outer rim of shim body, the inner edge of described shim body and outer rim coaxial line.
Relative to prior art, the present invention achieves following beneficial effect: the outer rim of shim body forms the base of round platform, the inner edge of shim body forms the top margin of round platform, when the inner edge of shim body is subject to the axial compression of object, collapsing distortion to outer rim place plane in the inner edge of shim body, produces elastic force thus; Due to whole be circumferentially continuous structure, therefore can circumferentially keep uniform elasticity whole.
As preferred version of the present invention, described shim body is provided with concavo-convex alternate ripple limit near the edge of inner edge.Concavo-convex alternate ripple limit is similar to the shape of flounce or stringy selvedge, when inner edge is subject to the axial compression of object, to collapse sinking to outer rim place plane in inner edge, in this process, ripple struction is that resiliently deformable provides space, concavo-convex ripple limit can absorb the internal stress that distortion produces, inner edge indefatigability, makes the life-span of one-piece parts improve.When crest is sunk by forward extrusion, the reverse elastic force of the larger generation of its distortion is also larger; Will produce to opposite side protrusion when crest sinks down into limit position, form reverse crest, when this reverse crest is subject to reverse extrusion, the elastic force of forward can be produced; The inner edge of this pad is connected to the effect that pull bar can realize bidirectional elastic conversion.
As preferred version of the present invention, the even circumferential of inner edge, described ripple edge and the setting that is centrosymmetric.Be beneficial to and circumferentially produce uniform distortion whole, keep uniform elasticity.
As preferred version of the present invention, the crest on described ripple limit and trough interlock the both sides of the outer rim place conical surface being positioned at described shim body.Crest and trough are positioned at the both sides of same conical surface, and when inner edge is subject to forward extrusion, first crest sinks to this conical surface forward, and the reverse elastic force that forward sinks to being out of shape larger generation is also larger; When crest is sink to equal with conical surface downward, if proceed forward compressing, then crest then can protrude to the opposite side of conical surface, forms the conversion of crest and trough, if now inner edge is subject to reverse extruding, reverse crest can produce the elastic force of forward.
As preferred version of the present invention, the described crest on ripple limit and the amplitude of trough are outwards successively decreased gradually along the bus of described conical surface, and be positioned at the amplitude of same each crest circumferentially and trough and wavelength equal.The closer to inner edge, the crest on ripple limit and the amplitude of trough larger, elasticity is stronger; More away from inner edge, the crest on ripple limit and the amplitude of trough less, elasticity is more weak.
As preferred version of the present invention, the outlying periphery from axis of described ripple and described shim body smooth transition and be connected as a single entity.The amplitude of crest and trough is outwards more and more less along the width direction of shim body, and reduce to zero gradually, the most peripheral on ripple limit is connected with shim body smooth transition, is conducive to the fatigue alleviating intermediate location, increases the service life.
As preferred version of the present invention, described ripple limit is being circumferentially with three to ten pairs of crests and trough.
As preferred version of the present invention, the width on described ripple limit accounts for 3/1 to four/4ths of described shim body width.
As preferred version of the present invention, the thickness of described shim body is even.Be easy to processing, elasticity is better, and two-way elastic force is consistent.
As preferred version of the present invention, the orthographic projection of inner edge in the plane of outer rim place of described shim body is circular.The outer rim of shim body is fixed, and inner edge can be used as mounting hole and installs pull bar, and when pull bar forward promotes, inner edge can produce reverse elastic force; When pull bar oppositely promotes, inner edge can produce forward elastic force.
Accompanying drawing explanation
Fig. 1 is the plan view of resilient pad of the present invention.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the stereogram of Fig. 1.
In figure: 1. shim body; 1a. inner edge; 1b. outer rim; 1c. ripple limit.
Embodiment
As shown in Figure 1 to Figure 3, resilient pad of the present invention comprises the shim body 1 of ring-type, and shim body 1 is in frustoconic shape, and the inner edge 1a of shim body 1 is higher than the outer rim 1b of shim body 1, the inner edge 1a of shim body and outer rim 1b coaxial line.
The outer rim 1b of shim body 1 forms the base of round platform, and the inner edge 1a of shim body 1 forms the top margin of round platform, and when the inner edge 1a of shim body is subject to the axial compression of object, the inner edge 1a of shim body to collapse distortion to outer rim 1b place plane, produces elastic force thus; Due to shim body 1 whole be circumferentially continuous structure, therefore can circumferentially keep uniform elasticity whole.
Shim body 1 is provided with concavo-convex alternate ripple limit 1c near the edge of inner edge 1a.Concavo-convex alternate ripple limit 1c is similar to the shape of flounce or stringy selvedge, when inner edge 1a is subject to the axial compression of object, inner edge 1a to collapse sinking to outer rim 1b place plane, in this process, ripple limit 1c is that resiliently deformable provides space, concavo-convex ripple limit 1c can absorb the internal stress that distortion produces, inner edge 1a indefatigability, makes the life-span of one-piece parts improve.When crest is sunk by forward extrusion, the reverse elastic force of the larger generation of its distortion is also larger; Will produce to opposite side protrusion when crest sinks down into limit position, form reverse crest, when this reverse crest is subject to reverse extrusion, the elastic force of forward can be produced; The inner edge 1a of this pad is connected to the effect that pull bar can realize bidirectional elastic conversion.
Ripple limit 1c is along the even circumferential of inner edge 1a and the setting that is centrosymmetric.Be beneficial to and circumferentially produce uniform distortion whole, keep uniform elasticity.
The crest of ripple limit 1c and trough interlock the both sides of the outer rim 1b place conical surface being positioned at shim body.Crest and trough are positioned at the both sides of same conical surface, and when inner edge 1a is subject to forward extrusion, first crest sinks to this conical surface forward, and the reverse elastic force that forward sinks to being out of shape larger generation is also larger; When crest is sink to equal with conical surface downward, if proceed forward compressing, then crest then can protrude to the opposite side of conical surface, forms the conversion of crest and trough, if now inner edge 1a is subject to reverse extruding, reverse crest can produce the elastic force of forward.
The crest of ripple limit 1c and the amplitude of trough are outwards successively decreased gradually along the bus of conical surface, and be positioned at the amplitude of same each crest circumferentially and trough and wavelength equal.The closer to inner edge 1a, the crest of ripple limit 1c and the amplitude of trough larger, elasticity is stronger; More away from inner edge 1a, the crest of ripple limit 1c and the amplitude of trough less, elasticity is more weak.
Ripple limit 1c is away from the periphery of axis and shim body 1 smooth transition and be connected as a single entity.The amplitude of crest and trough is outwards more and more less along the width direction of shim body 1, and reduce to zero gradually, the most peripheral of ripple limit 1c is connected with shim body 1 smooth transition, is conducive to the fatigue alleviating intermediate location, increases the service life.
Ripple limit 1c is provided with some to crest and trough in circumference because of the difference of material thickness and interior external profile diameter, such as can be provided with three to, four to, five to, six right ... ten pairs of crests and trough.
The width of ripple limit 1c can account for 3/1 to four/4ths of shim body 1 width.
The thickness of shim body 1 is even, is easy to processing, and elasticity is better, and two-way elastic force is consistent.
The inner edge 1a of shim body 1 outer rim 1b orthographic projection be in the plane circular.The outer rim 1b of shim body 1 fixes, and inner edge 1a can be used as mounting hole and installs pull bar, and when pull bar forward promotes, inner edge 1a can produce reverse elastic force; When pull bar oppositely promotes, inner edge 1a can produce forward elastic force.
The foregoing is only the better possible embodiments of the present invention, non-ly therefore limit to scope of patent protection of the present invention.In addition to the implementation, the present invention can also have other mode of executions, and all employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.The present invention can pass through without the technical characteristics described or adopt existing techniques in realizing, does not repeat them here.
Claims (10)
1. a resilient pad, comprises the shim body of ring-type, it is characterized in that: described shim body is frustoconic shape, and the inner edge of shim body is higher than the outer rim of shim body, the inner edge of described shim body and outer rim coaxial line.
2. resilient pad according to claim 1, is characterized in that: described shim body is provided with concavo-convex alternate ripple limit near the edge of inner edge.
3. resilient pad according to claim 2, is characterized in that: the even circumferential of inner edge, described ripple edge and the setting that is centrosymmetric.
4. resilient pad according to claim 2, is characterized in that: the crest on described ripple limit and trough interlock the both sides of the outer rim place conical surface being positioned at described shim body.
5. resilient pad according to claim 4, is characterized in that: the described crest on ripple limit and the amplitude of trough are outwards successively decreased gradually along the bus of described conical surface, and be positioned at the amplitude of same each crest circumferentially and trough and wavelength equal.
6. resilient pad according to claim 2, is characterized in that: the outlying periphery from axis of described ripple and described shim body smooth transition and be connected as a single entity.
7. resilient pad according to claim 2, is characterized in that: described ripple limit is being circumferentially with three to ten pairs of crests and trough.
8. resilient pad according to claim 2, is characterized in that: the width on described ripple limit accounts for 3/1 to four/4ths of described shim body width.
9. the resilient pad according to any one of claim 1 to 8, is characterized in that: the thickness of described shim body is even.
10. the resilient pad according to any one of claim 1 to 8, is characterized in that: the orthographic projection of inner edge in the plane of outer rim place of described shim body is circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510162394.5A CN104728248A (en) | 2015-04-08 | 2015-04-08 | Resilient pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510162394.5A CN104728248A (en) | 2015-04-08 | 2015-04-08 | Resilient pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104728248A true CN104728248A (en) | 2015-06-24 |
Family
ID=53452490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510162394.5A Pending CN104728248A (en) | 2015-04-08 | 2015-04-08 | Resilient pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104728248A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438652A (en) * | 2016-10-25 | 2017-02-22 | 云南电网有限责任公司电力科学研究院 | Gasket |
| CN106812776A (en) * | 2017-01-23 | 2017-06-09 | 杨聪辉 | Heavy nut and heavy nut component that a kind of screw rod is not easily broken |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190819857A (en) * | 1909-01-01 | 1909-06-03 | George Gonthwaite Scurfield | Improvements in & relating to Metal Washers |
| JPS5811931Y2 (en) * | 1978-06-30 | 1983-03-07 | 弘 佐野 | screw with washer |
| SU1707368A1 (en) * | 1989-01-17 | 1992-01-23 | Дзержинский филиал Ленинградского научно-исследовательского и конструкторского института химического машиностроения | Shaft seal |
| TW205086B (en) * | 1992-02-20 | 1993-05-01 | Ikeda Katsumi | |
| JPH06241218A (en) * | 1993-02-10 | 1994-08-30 | Sannohashi:Kk | Bolt washer attaching method |
| CN204646948U (en) * | 2015-04-08 | 2015-09-16 | 扬州维邦园林机械有限公司 | A kind of resilient pad |
-
2015
- 2015-04-08 CN CN201510162394.5A patent/CN104728248A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190819857A (en) * | 1909-01-01 | 1909-06-03 | George Gonthwaite Scurfield | Improvements in & relating to Metal Washers |
| JPS5811931Y2 (en) * | 1978-06-30 | 1983-03-07 | 弘 佐野 | screw with washer |
| SU1707368A1 (en) * | 1989-01-17 | 1992-01-23 | Дзержинский филиал Ленинградского научно-исследовательского и конструкторского института химического машиностроения | Shaft seal |
| TW205086B (en) * | 1992-02-20 | 1993-05-01 | Ikeda Katsumi | |
| JPH06241218A (en) * | 1993-02-10 | 1994-08-30 | Sannohashi:Kk | Bolt washer attaching method |
| CN204646948U (en) * | 2015-04-08 | 2015-09-16 | 扬州维邦园林机械有限公司 | A kind of resilient pad |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438652A (en) * | 2016-10-25 | 2017-02-22 | 云南电网有限责任公司电力科学研究院 | Gasket |
| CN106812776A (en) * | 2017-01-23 | 2017-06-09 | 杨聪辉 | Heavy nut and heavy nut component that a kind of screw rod is not easily broken |
| CN106812776B (en) * | 2017-01-23 | 2019-12-10 | 杨聪辉 | Heavy nut and heavy nut assembly that difficult rupture of screw rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150624 |
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| WD01 | Invention patent application deemed withdrawn after publication |