CN204083007U - A kind of one-piece side pressure V-type spring and the seal ring with this spring - Google Patents
A kind of one-piece side pressure V-type spring and the seal ring with this spring Download PDFInfo
- Publication number
- CN204083007U CN204083007U CN201420354686.XU CN201420354686U CN204083007U CN 204083007 U CN204083007 U CN 204083007U CN 201420354686 U CN201420354686 U CN 201420354686U CN 204083007 U CN204083007 U CN 204083007U
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- China
- Prior art keywords
- spring
- type
- side pressure
- ring
- piece side
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- 238000005452 bending Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 9
- 241001149930 Protura <class> Species 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000007373 indentation Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model discloses a kind of one-piece side pressure V-type spring and the seal ring with this spring, described one-piece side pressure V-type spring basic parameter comprises material thickness, monolateral width and the height of dehiscing of spring, this side pressure V-type spring by planar materials by the direct bending and molding of a ring-type cylinder, the axis of this ring-type cylinder is the center line of spring, monolateral the dehiscing of described spring is a variable, change with the change of Cylindrical object conehead angle, this spring center cross section is in left, right two V-type mouths, scope of dehiscing 0 ° of < θ < 180 ° of V-type mouth, the both sides of V-type mouth can contour also can not be contour, spring entirety structure ringwise.
Description
Technical field
The utility model relates to a kind of spring, particularly relates to a kind ofly can realize the one-piece side pressure V-type spring of multi-faceted stress compensation and the seal arrangement with this spring.
Background technique
O-ring seal is a kind of application mechanical parts widely, and these O-ring seals at present get used to rubber material and plastics are made, and are applied to the dynamic seal (packing) between axle and hole; A spring is all embedded with in most of O-ring seal.
V-arrangement spring due to prior art forms along the center line bending parallel with length direction by the strip boards of a slice with rectangular indentation, still in strip after bending, cross section is V-shaped, the length of this spring is generally designed to the circular groove center circumferential appearance etc. with seal ring, after spring snaps in the circular groove of seal ring, head and the tail just contact, but fail effectively to fix because spring head and the tail connect, the phenomenon of unbalance stress can be produced, the pretightening force that spring head and the tail contacting point is supplied to seal ring is unstable, even in use, owing to being subject to extraneous extruding, head and the tail displacement can be there is in spring, the phenomenon overlapping or be opened, stability reduces greatly.Even and if will head and the tail joint welding together, whole spring ring surface be supplied to seal ring pretightening force be still unbalanced, and cost will improve greatly, and preparation process is more loaded down with trivial details.
In prior art, first raw material are made into the list structure 1 with rectangle bending shape as shown in Figure 1 by us, strip cylinder (not shown in FIG.) cross section be bent into as shown in Figure 2 is used to be the list structure 2 of V-arrangement shape again, the last end to end ring structure 3 be made into again as shown in Figure 3, namely obtains side pressure V-type spring 3 in prior art.Wherein the center line of V-type spring 3 determines according to the axis of aforementioned cylinder.
In June, 2012, application number is that the Chinese patent of CN201110425356.6 discloses one " lateral pressure spiral and the seal ring with this spring ", and this patent is also in the groove of a garter spring indentation sealing part continuous circumference extended.
Although these prior aries and patent documentation improve Sealing, effectively prevent coming off of annular spring, also can be provided multi-faceted side direction pretightening force by Sealing, the inside and outside lip respectively to inner seal ring provides a stress compensation constantly.But because sealing spring is not monolithic construction, it is in sealing part works state, this garter spring pretightening force less, as shown in Figure 4, under relatively high operating pressure, discontinuity, even can open from opening, to such an extent as to can not sealing effect be reached.
Summary of the invention
In order to solve the problems of the prior art, the purpose of this utility model can realize multi-faceted lateral stress compensate and the large and stable one-piece side pressure V-type spring of pretightening force for annular seal provides a kind of.
For achieving the above object, the utility model is by the following technical solutions: a kind of one-piece side pressure V-type spring, basic parameter comprises material thickness, monolateral width and the height of dehiscing of spring, this side pressure V-type spring is bent to the annular of band opening by a ring-type cylinder bending by ring plain material, the axis of this ring-type cylinder is the center line of spring, monolateral the dehiscing of described spring is a variable, change with the change of ring-type cylinder conehead angle, this spring center cross section is two, left and right V-type mouth, scope of dehiscing 0 ° of < θ < 180 ° of V-type mouth, the both sides of V-type mouth can contour also can not be contour, spring entirety structure ringwise.
Its manufacture method is as follows:
A kind of side pressure V-type of the utility model spring, directly formed through a ring-type cylinder bending by ring plain material, the axis of this Cylindrical object is exactly the center line of shaping rear spring;
Described angle of dehiscing is at Cylindrical object contact jaw conehead forming under the pressure, and have a little bounce-back after shaping, angle of therefore dehiscing generally is greater than the angle of mould Cylindrical object conehead.
The utility model also provides a kind of seal ring, comprises spring and seal ring body; Described spring is exactly the utility model aforesaid one-piece side pressure V-type spring, and this spring is made into end to end ring-type; Described seal ring body is provided with the annular groove installing this spring; The groove width of described annular groove is less than the width of dehiscing of described side pressure V-type spring.
The beneficial effects of the utility model are: one-piece side pressure V-type spring of the present utility model can not only bear very strong forward lateral stress, can also bear and anchor ring lateral stress at an angle, can realize the effectively stress compensation of equilibrium to components and parts.By this spring fitting in the groove of seal ring, the inside and outside lip of spring to seal ring both provides balanced pretightening force, and dynamic sealing effect especially stability increases substantially.Particularly because spring of the present utility model is made into monolithic construction, there is not the fracture on radial anchor ring or soldering opening, even if be therefore subject to very large working force, also can uniform force, as the spring that there is breach or welding class, irregular distortion all can not occur, sealing effect is better.
Accompanying drawing explanation
The utility model is further described below in conjunction with the drawings and specific embodiments:
Fig. 1 is the expansion planimetric map of a kind of side pressure V-type spring of prior art;
Fig. 2 is the three-dimensional preliminary bending figure of a kind of side pressure V-type spring of prior art;
Fig. 3 is the final bending figure of three-dimensional of a kind of side pressure V-type spring of prior art;
Fig. 4 is the schematic top plan view that the Force principle of a kind of side pressure V-type spring of prior art is analyzed;
Fig. 5 is the expansion planimetric map of a kind of side pressure V-type of the utility model spring;
Fig. 6 is the final bending figure of three-dimensional of a kind of side pressure of the utility model V-type spring;
Fig. 7 is the cross-sectional view of a kind of seal ring of the utility model;
Fig. 8 is the schematic top plan view that the Force principle of a kind of seal ring of the utility model is analyzed;
Fig. 9 is the elevational cross-section schematic diagram that the Force principle of a kind of seal ring of the utility model is analyzed.
Embodiment
As shown in Figure 5 or Figure 6, this embodiment is the utility model preferred embodiment, as long as first raw material are made into the ring plain structure 4(ring plain structure with rectangular aperture as shown in Figure 4 by us, might not as this ring plain figure of the present embodiment; Other ring plain figure also belongs to protection domain of the present utility model); use ring-type cylinder (not shown in FIG.) cross section be bent into as shown in Figure 5 to be the ring structure 5 of V-arrangement shape again, namely obtain a kind of one-piece side pressure V-type spring 5 of end to end ring structure as shown in Figure 5.The center line of the V-type spring wherein finally made determines according to the axis of aforementioned cyclic cylinder.Because one-piece side pressure V-type spring 5 of the present utility model is made for all-in-one-piece ring-type, so it can bear from the outside external force of inner ring and the inside external force of outer shroud simultaneously, namely compensate to inner ring and outer shroud release belt stress simultaneously.This spring generally uses stainless steel or beryllium copper to make, and also can replace with other suitable metallic material (the etch-proof material of General Requirements); Be generally cold bending and molding during bending, batch continuous punching, does not have special regulation to pressure and time.
As shown in Figure 7, the side pressure V-type spring 5 previous embodiment finally obtained is installed to and has in the seal ring body 6 of ring groove, namely obtains a kind of seal ring 7.Sealing circle 7 comprises seal ring body 6 and the aforementioned V-type spring 5 obtained; And seal ring body has annular groove 61, the groove width of described annular groove 61 is less than the width of dehiscing of aforementioned side pressure V-type spring 3,5 simultaneously.
Groove width due to the annular groove 61 on seal ring body 6 is less than the external diameter (i.e. open width) of described one-piece side pressure V-type spring 5, so spring 5 must be pressed distortion partially could install in embedded rings connected in star 61; The bounce-back that distortion spring 5 discharges supports wide annular groove 61, makes the inside circulating application of the inner lip of seal ring 7 add pretightening force in running shaft, makes again the outside circulating application of the outer lip of seal ring 7 add pretightening force in mounting hole simultaneously, thus reaches the effect of inside and outside sealing.
As shown in Fig. 8 or Fig. 9, seal ring body 6 adds the direction of the suffered side pressure of spring 5 association 7 (seal ring 7) and shearing stress and side pressure V-type spring provides the compensation stress direction of 3,5 in contrast.Thus provide size to fit, direction pretightening force widely to different components and parts, reach the various object of sealing or buffering etc.Because spring 5 of the present utility model is made into monolithic construction, there is not the fracture on radial anchor ring or soldering opening, therefore as shown in Fig. 7 or Fig. 8, even if be subject to very large working force, also can uniform force, irregular distortion all can not occur, and sealing effect is better.
This specific embodiment is only to detailed description of the present utility model, does not limit concrete protection domain of the present utility model, and every any obvious improvement of doing based on design of the present utility model or distortion all drop in protection domain of the present utility model.
Claims (7)
1. an one-piece side pressure V-type spring, basic parameter comprises material thickness, monolateral width and the height of dehiscing of spring, it is characterized in that: this one-piece side pressure V-type spring by planar annular material by a ring-type cylinder bending and molding, the axis of this ring-type cylinder is the center line of spring, the V-shaped opening of center cross-sectional of the spring after shaping.
2. a kind of one-piece side pressure V-type spring as claimed in claim 1, it is characterized in that: the center cross-sectional of described side pressure V-type spring spring is left and right two V-type mouths, scope of dehiscing 0 ° of < θ < 180 ° of V-type mouth.
3. a kind of one-piece side pressure V-type spring as claimed in claim 2, is characterized in that: the dual-side of V-type mouth is contour.
4. a kind of one-piece side pressure V-type spring as claimed in claim 2, is characterized in that: the dual-side of V-type mouth is not contour.
5. a kind of one-piece side pressure V-type spring as claimed in claim 3, is characterized in that: described in dehisce angle at ring-type cylinders contact end conehead forming under the pressure, and the angle of dehiscing of the V-type spring of final molding is greater than the angle of mould ring-type cylinder conehead.
6. a kind of one-piece side pressure V-type spring as claimed in claim 4, is characterized in that: described in dehisce angle at ring-type cylinders contact end conehead forming under the pressure, and the angle of dehiscing of the V-type spring of final molding is greater than the angle of mould ring-type cylinder conehead.
7. a seal ring, is characterized in that: it comprises spring and seal ring body, and described spring is exactly side pressure V-type spring according to claim 6, and described seal ring body is provided with the annular groove installing aforementioned spring; The groove width of described annular groove is less than the width of dehiscing of aforementioned one-piece side pressure V-type spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354686.XU CN204083007U (en) | 2014-06-30 | 2014-06-30 | A kind of one-piece side pressure V-type spring and the seal ring with this spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354686.XU CN204083007U (en) | 2014-06-30 | 2014-06-30 | A kind of one-piece side pressure V-type spring and the seal ring with this spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083007U true CN204083007U (en) | 2015-01-07 |
Family
ID=52175730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420354686.XU Expired - Fee Related CN204083007U (en) | 2014-06-30 | 2014-06-30 | A kind of one-piece side pressure V-type spring and the seal ring with this spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204083007U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202089A (en) * | 2014-06-30 | 2015-12-30 | 上海大亚密封技术有限公司 | Integrated side pressure V-shaped spring and sealing ring with same |
| CN110594327A (en) * | 2019-10-30 | 2019-12-20 | 北京裕泰行新材料科技有限公司 | V-shaped spring and production method thereof |
-
2014
- 2014-06-30 CN CN201420354686.XU patent/CN204083007U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202089A (en) * | 2014-06-30 | 2015-12-30 | 上海大亚密封技术有限公司 | Integrated side pressure V-shaped spring and sealing ring with same |
| CN110594327A (en) * | 2019-10-30 | 2019-12-20 | 北京裕泰行新材料科技有限公司 | V-shaped spring and production method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |