CN203717927U - Sealing ring - Google Patents
Sealing ring Download PDFInfo
- Publication number
- CN203717927U CN203717927U CN201420082989.0U CN201420082989U CN203717927U CN 203717927 U CN203717927 U CN 203717927U CN 201420082989 U CN201420082989 U CN 201420082989U CN 203717927 U CN203717927 U CN 203717927U
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- CN
- China
- Prior art keywords
- lip
- annular groove
- metal elastic
- seal ring
- seal
- 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.)
- Expired - Fee Related
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model provides a sealing ring. The sealing ring comprises a lip-shaped ring body, wherein the lip-shaped ring body comprises an upper lip and a lower lip; an annular groove is formed between the upper lip and the lower lip; a metal elastic component is arranged in the annular groove; a blocking portion for blocking the metal elastic component is arranged on a preset position on the upper lip and/or the lower lip; the sealing ring further comprises a T-shaped supporting ring; the tail end portion of the T-shaped supporting ring is arranged in the annular groove and in contact with the metal elastic component; the head end of the T-shaped supporting ring is positioned out of the annular groove. The sealing ring provided by the utility model not only can ensure the sealing performance under a low pressure condition, but also can ensure the sealing performance under a high pressure reciprocating motion condition, in the meantime can implement bidirectional sealing, and can prolong the service life of the sealing ring.
Description
Technical field
The utility model relates to the Sealing field of using in machinery equipment, particularly a kind of seal ring for rod seal.
Background technique
Seal ring, is widely used in the machinery equipment in the fields such as machinery, oil, chemical industry as a kind of conventional mechanical parts, and it mainly plays the effect that prevents liquid, Leakage Gas.
Seal ring comprises lip-type packing etc., and existing lip-type packing generally includes between two lip bodies and two lip bodies and is provided with annular groove.In use, lip body is compressed on sealing surface, and its sealing load is provided by the pressure of lip body self elasticity and the sealing medium in the annular groove between two lip bodies.
The existing lip-type packing for rod seal, for example, while using in hyperbaric environment (environment more than 1MPa), the sealing load producing due to sealed medium pressure is large, can reach certain sealability, but can only meet one-way sealing.In addition, for example, under environment under low pressure (environment below 0.5MPa), the sealing load producing due to sealed medium pressure diminishes, and now mainly relies on lip body self elasticity that sealing load is provided, but aging along with the wearing and tearing of lip body and material, the sealability of seal ring can not guarantee.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of seal ring, not only can guarantee the sealability under low pressure condition, also can guarantee the sealability under the condition of high-pressure reciprocating motion, can realize two way sealed, and can extend the working life of seal ring simultaneously.
For achieving the above object, according to an aspect of the present utility model, a kind of seal ring has been proposed, comprise lip circle body, described lip circle body comprises upper lip and lower lip, is provided with annular groove, wherein between described upper lip and lower lip, in described annular groove, be provided with metal elastic part, the preset position place on described upper lip and/or lower lip is provided with the retainer that metal elastic part is stated in block residence;
Described seal ring also comprises T-shaped support ring, the trailing part of described T-shaped support ring be located at described annular groove within and contact with described metal elastic part, the head end of described T-shaped support ring is positioned at outside described annular groove.
Further, described metal elastic part is a plurality ofly by bandlet shape metal, by Mould Machining, to become cross section to be the elastic member of the circular shape that U-shaped spring sheet is formed by fixedly connecting;
The size of described metal elastic part and described annular groove match, and the closed end of described metal elastic part is positioned at the bottom of annular groove.
Further, described metal elastic part is stainless steel elastic member or alloy elastic member.
Further, the opening size of described annular groove is less than the opening size of described metal elastic part.
Further, the tail end end face of described T-shaped support ring is cambered surface, and the radian of described cambered surface is less than the filleted corner number of degrees of the closed end of described metal elastic part;
The interior edge face of the tail end end face of described T-shaped support ring and the closed end of described metal elastic part fits.
Further, the thickness of the tail end of described T-shaped support ring is less than the width of described annular groove.
Further, described seal ring also comprises the V-seal part of supporting part and butt;
Exterior edge face and the described supporting part of the closed end of the V-seal part of described butt are partly fitted, the exterior edge face part laminating of the interior edge face of the opening end of the V-seal part of described butt and the closed end of lip circle body.
Further, the opening angle of the opening end of the V-seal part of described butt is less than the chamfer angle of the closed end of lip circle body.
Further, described T-shaped support ring and described supporting part are made by polyetheretherketonematerials materials.
Further, the V-seal part of described lip circle body and butt is made by high molecular polymer.
Compared with prior art, a technological scheme in technique scheme has the following advantages:
The seal ring the utility model proposes, by the cooperation of lip body structure, metal elastic part and T-shaped support ring, can make seal ring there is two-way seal action, not only can guarantee the sealability under low pressure condition, also the sealability under the condition of high-pressure reciprocating motion can be guaranteed, and the working life of seal ring can be extended.
Accompanying drawing explanation
Fig. 1 is the utility model seal ring the first embodiment's cross-sectional view;
Fig. 2 is the structural representation of the metal elastic part during the utility model seal ring first is implemented.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Referring to Fig. 1 and Fig. 2, show respectively the utility model seal ring the first embodiment's cross-sectional view and the structural representation of metal elastic part.
In the present embodiment, sealing circle comprises lip circle body 10, and this lip circle body 10 can be made by high molecular polymer, and to be more suitable for hyperbaric environment, it comprises upper lip 11 and lower lip 12, between upper lip 11 and lower lip 12, is provided with annular groove 13.
In this annular groove 13, be provided with metal elastic part 14, and the preset position place on lip 12 above and/or under upper lip 11 is provided with the retainer 15 of can block living metal elastic part 14, this preset position is such as can be that the opening of upper lip is, the opening of lower lip etc.
That is to say, retainer 15 can arrange (as shown in Figure 1) at the preset position place of upper lip 11 separately, also can at the preset position place of lower lip 12, arrange separately, also can all arrange at the preset position place of upper lip and lower lip, so that metal elastic part 14 can be more firm be arranged in annular groove 13, be difficult for coming off from annular groove 13, with the elasticity that lip circle body is played to good supporting effect and promote seal ring, and then the sealability of enhancing sealing ring.
Simultaneously, sealing circle also can comprise T-shaped support ring 16, this T-shaped support ring 16 can be made by polyetheretherketonematerials materials, tail end 162 parts of T-shaped support ring 16 be located at annular groove 13 within and contact with metal elastic part 14, the head end 161 of T-shaped support ring 16 is positioned at outside annular groove 14, that is to say that T-shaped support ring 16 is not whole being located in annular groove 14.
In the present embodiment, can by "-" of T-shaped support ring partly (being the horizontal stroke on T top) be made as the head end 161 of T-shaped support ring, can by " I " of T-shaped support ring partly (be T bottom perpendicular) be made as the tail end 162 of T-shaped support ring, the lower end surface of " I " of T-shaped support ring (being the perpendicular lower end surface of T bottom) can be made as to the tail end end face 160 of support ring.
Can as required, by the tail end 162(of the T-shaped support ring 16 of presetting length, be a part for the tail end 162 of T-shaped support ring 16) be located at annular groove within.
Wherein, the thickness of the tail end 162 of T-shaped support ring 16 is set to be less than the width of annular groove 13 (opening size of annular groove namely, to play better protective action to upper lip, lower lip in to-and-fro motion.
By the cooperation of above-mentioned lip body structure, metal elastic part and T-shaped support ring, can make seal ring there is two-way seal action, and can be under the environment of low pressure, no longer only rely on lip body self elasticity that sealing load is provided, in the sealability under guaranteeing environment under low pressure, also can extend the working life of seal ring.And in the to-and-fro motion under hyperbaric environment, lip body can not be extruded and damage, can when guaranteeing sealing effect, also can extend the life-span of seal ring equally.
Further, this metal elastic part can be stainless steel elastic member, also can be alloy elastic member, and can be and a plurality ofly by bandlet shape metal, by Mould Machining, become cross section to be the elastic member of the circular shape that U-shaped spring sheet is formed by fixedly connecting, such as a plurality of cross sections being to U-shaped spring sheet, with end to end form, be welded as a circular shape, by the form being fixedly connected with, can make whole elastic member of formation that a plurality of spring sheets are firm, and can not affect the performance of elastic member because of indivedual dropping of spring sheet, and then guarantee the elastic performance of these metal spring parts.Meanwhile, this U-shaped metal elastic part can provide better radical elasticity compensation and more stable pretightening force.
The large I of this metal elastic part is set to match with annular groove, make metal elastic part can arrange in annular groove, and the closed end 141 of metal elastic part is positioned at the bottom 131 of annular groove 13, and namely the opening end of metal elastic part is intended for the opening end of annular groove.
Preferably, the tail end end face of T-shaped support ring can be set to cambered surface, and the radian of cambered surface is less than the filleted corner number of degrees of the closed end of metal elastic part, and the tail end end face 160 of T-shaped support ring 16 fits with the interior edge face of the closed end 141 of metal elastic part 14, so that T-shaped support ring can be stable, be arranged in annular groove.
In addition, opening size that also can annular groove 13 is set to be less than the opening size of metal elastic part 14, so that more firm being fixed in annular groove of metal elastic part.
Further, sealing circle also can comprise the V-seal part 18 of supporting part 17 and butt, wherein,
Supporting part 17 can be made by polyetheretherketonematerials materials, and the V-seal part 18 of butt can be made by high molecular polymer.
The exterior edge face of the closed end 181 of the V-seal part 18 of this butt and supporting part 17 part laminatings, the exterior edge face part laminating of the interior edge face of the opening end 182 of the V-seal part 18 of butt and the closed end 101 of lip circle body 10, the V-seal part 18 of this supporting element 17 and butt is set, can make the overall structure of seal ring more firm, can play auxiliary seal action, further promote the sealability of seal ring.
Wherein, the opening angle of the opening end 182 of the V-seal part 18 of butt is less than the chamfer angle of the closed end 101 of lip circle body 10, tightr to guarantee the opening end 182 of V-seal part and the laminating between the closed end 101 of lip circle body 10 of butt, and then make the overall structure of seal ring more firm.
The seal ring that the utility model embodiment provides, by the cooperation of lip body structure, metal elastic part and T-shaped support ring, can make seal ring there is two-way seal action, and can be under the environment of low pressure, no longer only rely on lip body self elasticity that sealing load is provided, in the sealability under guaranteeing environment under low pressure, also can extend the working life of seal ring.And in the to-and-fro motion under hyperbaric environment, lip body can not be extruded and damage, in the sealing effect in equally can the to-and-fro motion under guaranteeing hyperbaric environment, also can extend the life-span of seal ring.Further, by the V-seal part of supporting element and butt is set, can make the overall structure of seal ring more firm, can play auxiliary seal action, further to promote the sealability of seal ring.
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; any people who is familiar with this technology is in the disclosed technical scope of the utility model; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (10)
1. a seal ring, comprises lip circle body, and described lip circle body comprises upper lip and lower lip, between described upper lip and lower lip, is provided with annular groove, it is characterized in that,
In described annular groove, be provided with metal elastic part, the preset position place on described upper lip and/or lower lip is provided with the retainer that metal elastic part is stated in block residence;
Described seal ring also comprises T-shaped support ring, the trailing part of described T-shaped support ring be located at described annular groove within and contact with described metal elastic part, the head end of described T-shaped support ring is positioned at outside described annular groove.
2. seal ring as claimed in claim 1, is characterized in that, described metal elastic part is a plurality ofly by bandlet shape metal, by Mould Machining, to become cross section to be the elastic member of the circular shape that U-shaped spring sheet is formed by fixedly connecting;
The size of described metal elastic part and described annular groove match, and the closed end of described metal elastic part is positioned at the bottom of annular groove.
3. seal ring as claimed in claim 2, is characterized in that, described metal elastic part is stainless steel elastic member or alloy elastic member.
4. seal ring as claimed in claim 2, is characterized in that, the opening size of described annular groove is less than the opening size of described metal elastic part.
5. seal ring as claimed in claim 2, is characterized in that, the tail end end face of described T-shaped support ring is cambered surface, and the radian of described cambered surface is less than the filleted corner number of degrees of the closed end of described metal elastic part;
The interior edge face of the tail end end face of described T-shaped support ring and the closed end of described metal elastic part fits.
6. seal ring as claimed in claim 5, is characterized in that, the thickness of the tail end of described T-shaped support ring is less than the width of described annular groove.
7. seal ring as claimed in claim 1, is characterized in that, described seal ring also comprises the V-seal part of supporting part and butt;
Exterior edge face and the described supporting part of the closed end of the V-seal part of described butt are partly fitted, the exterior edge face part laminating of the interior edge face of the opening end of the V-seal part of described butt and the closed end of lip circle body.
8. seal ring as claimed in claim 7, is characterized in that, the opening angle of the opening end of the V-seal part of described butt is less than the chamfer angle of the closed end of lip circle body.
9. seal ring as claimed in claim 7, is characterized in that, described T-shaped support ring and described supporting part are made by polyetheretherketonematerials materials.
10. seal ring as claimed in claim 7, is characterized in that, the V-seal part of described lip circle body and butt is made by high molecular polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420082989.0U CN203717927U (en) | 2014-02-26 | 2014-02-26 | Sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420082989.0U CN203717927U (en) | 2014-02-26 | 2014-02-26 | Sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717927U true CN203717927U (en) | 2014-07-16 |
Family
ID=51157079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420082989.0U Expired - Fee Related CN203717927U (en) | 2014-02-26 | 2014-02-26 | Sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717927U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455418A (en) * | 2014-11-13 | 2015-03-25 | 苏州誉之铖贸易有限责任公司 | Novel compression-resistant and wear-resistant O-shaped seal ring |
| CN105673861A (en) * | 2016-04-18 | 2016-06-15 | 北京裕泰行新材料科技有限公司 | Sealing device capable of relieving pressure automatically |
| CN108240486A (en) * | 2018-03-19 | 2018-07-03 | 江苏神通阀门股份有限公司 | A kind of sealing structure of ultralow temperature ball valve base and valve body |
| CN109006385A (en) * | 2018-08-01 | 2018-12-18 | 安徽海蚨祥橡胶有限公司 | A kind of Irrigation shower head equipment equipped with rubber-plastic sealing ring |
-
2014
- 2014-02-26 CN CN201420082989.0U patent/CN203717927U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455418A (en) * | 2014-11-13 | 2015-03-25 | 苏州誉之铖贸易有限责任公司 | Novel compression-resistant and wear-resistant O-shaped seal ring |
| CN105673861A (en) * | 2016-04-18 | 2016-06-15 | 北京裕泰行新材料科技有限公司 | Sealing device capable of relieving pressure automatically |
| CN105673861B (en) * | 2016-04-18 | 2017-09-29 | 北京裕泰行新材料科技有限公司 | From pressure release sealing device |
| CN108240486A (en) * | 2018-03-19 | 2018-07-03 | 江苏神通阀门股份有限公司 | A kind of sealing structure of ultralow temperature ball valve base and valve body |
| CN109006385A (en) * | 2018-08-01 | 2018-12-18 | 安徽海蚨祥橡胶有限公司 | A kind of Irrigation shower head equipment equipped with rubber-plastic sealing ring |
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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: 20140716 Termination date: 20170226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |