CN101059171A - XV-shape combined seal ring - Google Patents
XV-shape combined seal ring Download PDFInfo
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- CN101059171A CN101059171A CN 200710028230 CN200710028230A CN101059171A CN 101059171 A CN101059171 A CN 101059171A CN 200710028230 CN200710028230 CN 200710028230 CN 200710028230 A CN200710028230 A CN 200710028230A CN 101059171 A CN101059171 A CN 101059171A
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Abstract
The present invention provides a XV-shaped combined seal ring which includes X-shaped seal ring and V-shaped seal ring, relative two ends of said X-shaped seal ring is matched and connected with the closed end of V-shaped seal ring, the open end of said V-shaped seal ring is matched and connected with the supporting ring or connected with groove elements directly. The XV-shaped combined seal ring has bidirectional sealing performances, at the same time it can be combined and used conveniently, the size is flexible and it can be applied to sealed grooves in different sizes, may also applies to bearing wider pressure range, it has advantages of good sealing effect and long use life; in addition, the combined structure is benefit for the replacement of some of these components, the maintaining is relatively easy, the large-scale applications is more convenient, it particularly applies to many domestic enterprises, especially the need of fluid sealing from heavy equipments.
Description
Technical field
The present invention relates to the seal ring technology, particularly a kind of XV shape combined seal ring.
Background technique
Along with domestic economy constantly develops, the national life level improves constantly, the industrial automatization of numerous domestic industrial and mining enterprise further improves, and sealed product performer key player in industrial automation, the quality of sealed product quality plays key effect aspect the fluid dynamic transmission in industrial automation.Particularly in concerning the national great type equipment of national economy, stable, the quality of sealed product performance reliable and to the tolerance of various flowing mediums all is very important.Simultaneously, in the great at home type key equipment, adopt the Sealing of developed countries import, not only cost an arm and a leg, and the arrival cycle is long, causes heavy losses to enterprise during the maintenance and renovation of equipment, causes severe contamination to environment, destroy natural, ecological, and imported product can not be dealt with problems sometimes.
The domestic patent No. is 87215206 high sealing performance v-ring, it improve the working life of V-shaped ring, but this v-ring can only provide one-way sealing property by the transformation to the V-shaped ring cross-section size, fixed size, the pressure range of bearing is narrow.The domestic patent No. is 00212655.9 X-shaped combined seal ring, the structure of standard x shape seal ring transformed, but this X-shaped combined seal ring fixed size, the pressure range of bearing is narrow.The hydraulic jack combined seal ring of the domestic patent No. 03221646.7, a kind of seal ring of high temperature high voltage resistant is provided, this seal ring focus between each black box material and put in order, do not change sealing configuration and other performances of V-shaped ring, this combined seal ring can only provide one-way sealing property, and the pressure range of bearing is narrow.
Summary of the invention
The shortcoming that the objective of the invention is to overcome prior art is with not enough, provide a kind of have two way sealed performance, combined and instant, size flexibly, bear that pressure range is wide, sealing effect is good, the XV shape combined seal ring of long service life.
Purpose of the present invention is achieved through the following technical solutions: a kind of XV shape combined seal ring, it is characterized in that: comprise X-shaped seal ring, V-shaped ring, the relative two ends of described X-shaped seal ring are connected with the closed end of V-shaped ring respectively, and the opening end of described V-shaped ring is connected with support ring or directly is connected with groove part.
Described support ring is to accept the assembly that groove part applies axial pressure, and described support ring is 2 generally speaking, and the V-shaped ring with X-shaped seal ring both sides is connected respectively; These 2 support rings are all configurations simultaneously generally speaking, can omit wherein 1 or two and all omit under situation about directly being supported by groove part, and basic influence does not take place for the sealing principle and the sealing configuration of whole XV shape composite rim.
The quantity of the V-shaped ring of described X-shaped seal ring opposite end can be equal or does not wait; The quantity of the V-shaped ring of X-shaped seal ring opposite end can be one or more, general quantitative range commonly used is 1～10, and actual arrangement quantity is determined according to the required sealed fluid flow pressure of this XV shape combined seal ring or according to the XV shape combined seal ring that allows assembling groove dimensions is installed and determines.
The quantity of described V-shaped ring is 2 or 2 when above, between each V-shaped ring is identically to cooperate towards stack.
Described V-shaped ring can be the circular design of integral body; Also can be provided with otch, so that install according to the assembling needs.
The sealing of described X-shaped can be understood as two identical U-shaped seal rings and adopts back-to-back linkage structure, i.e. an integrated member being formed by connecting of the root of the root of a U-shaped seal ring and another U-shaped seal ring; Described X-shaped seal ring interior week and/or outside can be provided with oil groove in the middle of circumferential two axial lips; Described oil groove can be provided with 1 or many as required.
The closed end inboard of described V-shaped ring can be provided with oil groove; Described oil groove can be set to 1 as required.
The end face of an end that does not cooperate with V-shaped ring on the described support ring can be designed to plane or other shapes; As long as can when assembling, cooperate fully with other mechanical parts that this combined seal ring is installed.The situation of its midplane is the most commonly used.
The end cross-sectional that described support ring cooperates with V-shaped ring is shaped as trapezoidal or triangle, and commonly used is isosceles trapezoid or isosceles triangle.
Two waist angles of described isosceles trapezoid or isosceles triangle require the angle greater than the outermost V-shaped ring that directly is connected with support ring; Can guarantee preferably like this to have the buffer gap between support ring and the V-shaped ring, to bear pressure better.
The material of making this XV shape combined seal ring can be nitrile butadiene rubber (NBR), butyronitrile canvas filler rubber (NBR/ cloth), fluorine rubber (FKM), fluorine plastic clip cloth rubber (FKM/ cloth), polyurethane (PU) material or nylon (PA) material.
Action principle of the present invention is: this XV shape combined seal ring intermediate portion is an X-shaped circle, being equivalent to two U-shaped circles combines back-to-back, therefore, in fact it concentrated the sealed characteristic of two U-shaped circles, can provide two-way sealability in sealed groove.Simultaneously, according to the specific (special) requirements that occurs in the actual using process, also inequality such as the pressure that seal ring on the different direction need bear, characteristics such as perhaps the different direction upward pressure is on the low side, increase the v-ring of varying number at the upper and lower of X-shaped circle, can realize three kinds of effects: 1, increase sealing lip power of waist on the X-shaped circle upper and lower opening direction, improve the sealing pretightening force of X-shaped circle, improve X-shaped circle sealability; 2, V-arrangement composite rim itself provides seal action, increases the quantity of seal lip, improves sealing effect, reaches excellent sealing performance; 3, can reach according to the quantity that the actual size of groove increases or reduce v shaped ring seal ring can be installed in the sealed groove well, just can regulate the whole height of XV shape combined seal ring effectively.Support ring then provides a supporting role product, bears the axial pressing force that groove part provides and this power is passed to v-ring so that whole XV shape combined seal ring.Like this, all black boies are combined into an integral body, finish seal action in a whole set of combined seal ring jointly.
The system pressure scope that this XV shape combined seal ring is adapted to is wider: the very low state of (1) system pressure, the X-shaped coil assembly provides pretightening force, under the very low state of system pressure, support ring is increased installation strength, each assembly transmits this power to the lip position of each assembly, play the effect that strengthens pretightening force, thereby reach good sealing effect, this time, the needed quantity of V-arrangement composite rim can be not a lot, according to actual needs, whole XV type composite rim needs four V-type composite rims just can reach desirable sealing effect altogether.(2) the very high state of system pressure.In this time, the quantity of V-arrangement composite rim can't reach the purpose of step-down step by step very little, and sealing effect is not good enough, therefore need the quantity of corresponding increase V-arrangement composite rim.Generally speaking, one V-arrangement composite rim can bear the system pressure of 10MPa in theory, so can determine the quantity of the V-arrangement composite rim of required configuration according to the size of real system pressure.(3) the general state of system pressure.This state belongs to a kind of normality, generally selects 6 v-rings and just can reach good sealing effect in that the X-shaped circle is uniform up and down.
The present invention has following advantage and effect with respect to prior art: can be used in combination easily when having the two way sealed performance, size is flexible, sealed groove applicable to different size, also applicable to the pressure range of bearing broad, it is good to have sealing effect, the advantage of long service life; In addition, knockdown structure also is convenient to change wherein partial component, safeguards more or less freelyly, is convenient to apply on a large scale, is specially adapted to numerous domestic industrial and mining enterprise, the needs of especially great type device for flow body sealing.
Description of drawings
Fig. 1 is the structural representation of XV shape combined seal ring of the present invention.
Fig. 2 is the plan view of XV shape combined seal ring shown in Figure 1.
Fig. 3 is the schematic representation of another structure of XV shape combined seal ring of the present invention.
Fig. 4 is the schematic representation of the another structure of XV shape combined seal ring of the present invention.
Fig. 5 is the XV shape combined seal ring of the present invention schematic representation of a structure again.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
Fig. 1 and Fig. 2 show a kind of concrete structure of the present invention, by Fig. 1 and Fig. 2 as seen, this XV shape combined seal ring comprises X-shaped seal ring 1, V-shaped ring 2 and support ring 3, the relative two ends of described X-shaped seal ring 1 are connected with the closed end of V-shaped ring 2 respectively, the opening end of described V-shaped ring 2 and support ring 3 are connected, described support ring 3 is shaped as isosceles trapezoid with the end cross-sectional that V-shaped ring 2 cooperates, and two waist angles of described isosceles trapezoid are greater than the angle of the outermost V-shaped ring 2 that directly is connected with support ring 3; The end face of an end that does not cooperate with V-shaped ring 2 on the described support ring 3 is designed to the plane, is convenient to be connected with the plane of groove part.The quantity of described V-shaped ring 2 is 6, and X-shaped seal ring 1 relative two ends are respectively arranged with 3 V-shaped rings 2, is identical towards the stack cooperation between 3 V-shaped rings 2 of homonymy; Described V-shaped ring is whole circular design (see figure 2); Also can be provided with otch, so that install according to the assembling needs.
XV shape combined seal ring as shown in Figure 3, its structure is similar with embodiment's 1, different is X-shaped seal ring 1 inner periphery and the outer periphery to two axial lips in the middle of be provided with oil groove 12 and 13.This seal ring is applied to the shaft sealing form, whole XV shape seal ring is installed in the open groove, wherein part 4, part 5 and part 6 are formed a fixedly die cavity of XV shape combined seal ring, XV shape combined seal ring is installed in this die cavity, axle 7 moves with respect to XV shape combined seal ring, in the whole motion process, XV shape combined seal ring is divided into axle 7 two sections that are in different fluid pressure, the left side of XV shape combined seal ring and right side stop any leakage or the seepage between these two sections fluids among Fig. 3, thereby reach good sealing effect.3 pairs of seal rings of support ring provide a supporting role, accepting exterior part 4 or 6 grants the axial power of whole seal ring and this power is passed to middle v shaped ring and X-shaped circle, its shape of accepting the face of accepting of external force can be made various change according to actual needs, the face of accepting (sectional shape of accepting face is trapezoidal) that cooperates as the support ring 3 of left end among the figure and part 4, the shape of the face of accepting (face of acceptance is the plane) that cooperates with the support ring and the part 6 of right-hand member is exactly different.In installation process, according to the as installed groove, in sealed groove, get final product according to each assembly assembled in sequence from top to bottom, directly supporting by groove part under the situation of V-shaped ring, can omit a support ring 2 or two support rings 2 all dispense.
XV shape combined seal ring as shown in Figure 4, its structure is similar with embodiment's 1, and the most advanced and sophisticated inboard of different is V-shaped ring is provided with oil groove 14, and oil groove 14 makes V-shaped ring produce micro-deformation by oil pressure, and opening end is opened to both sides, and sealing effect is better.This seal ring is applied to the hole seal form, whole XV shape combined seal ring is installed in the open groove, wherein part 11 and part 9 are formed a fixedly die cavity of XV shape combined seal ring, XV shape combined seal ring is installed in this die cavity, cylinder barrel 8 moves with respect to XV shape combined seal ring, in movement process, XV shape combined seal ring is separated into two fluid chambers that pressure is different with the cylinder chamber, and leakage or the seepage of the fluid that stops this different pressures between mutually, thereby can reach good sealing effect.Part 10 is a piston rod, and it keeps relative static with XV shape combined seal ring.
Embodiment 4
XV shape combined seal ring as shown in Figure 5, its structure such as embodiment's 1 is similar, also similar to embodiment 2, different is that XV shape combined seal ring has only adopted a support ring 6 in the present embodiment, and dispensed another support ring, what it played the support ring effect then changes part 15 into, that is to say, the part 15 that constitutes the sealing die cavity that XV shape combined seal ring is installed directly plays a supportive role, and the support force of XV shape combined seal ring is provided.Identical among other features and the embodiment 2 in the present embodiment.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1, a kind of XV shape combined seal ring, it is characterized in that: comprise X-shaped seal ring, V-shaped ring, the relative two ends of described X-shaped seal ring are connected with the closed end of V-shaped ring respectively, and the opening end of described V-shaped ring is connected with support ring or directly is connected with groove part.
2, XV shape combined seal ring according to claim 1, it is characterized in that: described support ring is 2, the V-shaped ring with X-shaped seal ring both sides is connected respectively.
3, XV shape combined seal ring according to claim 1, it is characterized in that: the end cross-sectional that described support ring cooperates with V-shaped ring is shaped as trapezoidal or triangle.
4, XV shape combined seal ring according to claim 1 is characterized in that: the quantity of the V-shaped ring of described X-shaped seal ring opposite end is for equating or not waiting.
5, according to claim 1 or 4 described XV shape combined seal rings, it is characterized in that: the quantity of the V-shaped ring of X-shaped seal ring opposite end is one or more.
6, XV shape combined seal ring according to claim 5 is characterized in that: the quantity of described V-shaped ring is 2 or 2 when above, between each V-shaped ring is identically to cooperate towards stack.
7, XV shape combined seal ring according to claim 1 is characterized in that: described V-shaped ring is whole circular design or is provided with otch.
8, XV shape combined seal ring according to claim 1, it is characterized in that: described X-shaped seal ring is an integral structure.
9, XV shape combined seal ring according to claim 1 is characterized in that: described X-shaped seal ring interior week and/or outside be provided with oil groove in the middle of circumferential two axial lips.
10, XV shape combined seal ring according to claim 1, it is characterized in that: the closed end inboard of described V-shaped ring is provided with oil groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710028230 CN101059171A (en) | 2007-05-25 | 2007-05-25 | XV-shape combined seal ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710028230 CN101059171A (en) | 2007-05-25 | 2007-05-25 | XV-shape combined seal ring |
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| Publication Number | Publication Date |
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| CN101059171A true CN101059171A (en) | 2007-10-24 |
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|---|---|---|---|
| CN 200710028230 Pending CN101059171A (en) | 2007-05-25 | 2007-05-25 | XV-shape combined seal ring |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425792A (en) * | 2018-03-31 | 2018-08-21 | 何旺成 | Multiaction axial direction ball-and-spigot aqueous pressure motor or pump |
| CN108799498A (en) * | 2017-04-28 | 2018-11-13 | 凯氟隆（厦门）密封件有限公司 | A kind of Novel down-hole tool combinations encapsulation scheme |
| CN110546414A (en) * | 2018-03-20 | 2019-12-06 | Nok株式会社 | Sealing device |
| CN113007352A (en) * | 2021-03-15 | 2021-06-22 | 沈阳大学 | X-shaped double-elastic pressing rotary sealing ring |
| CN113074250A (en) * | 2021-04-29 | 2021-07-06 | 漳州明建机械设备制造有限公司 | Fluid ultrahigh pressure piston and bidirectional sealing ring |
-
2007
- 2007-05-25 CN CN 200710028230 patent/CN101059171A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799498A (en) * | 2017-04-28 | 2018-11-13 | 凯氟隆（厦门）密封件有限公司 | A kind of Novel down-hole tool combinations encapsulation scheme |
| CN110546414A (en) * | 2018-03-20 | 2019-12-06 | Nok株式会社 | Sealing device |
| CN108425792A (en) * | 2018-03-31 | 2018-08-21 | 何旺成 | Multiaction axial direction ball-and-spigot aqueous pressure motor or pump |
| CN113007352A (en) * | 2021-03-15 | 2021-06-22 | 沈阳大学 | X-shaped double-elastic pressing rotary sealing ring |
| CN113074250A (en) * | 2021-04-29 | 2021-07-06 | 漳州明建机械设备制造有限公司 | Fluid ultrahigh pressure piston and bidirectional sealing ring |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGZHOU BAOLITE HYDRAULIC SEALING CO., LTD. Free format text: FORMER OWNER: GUANGZHOU INST. OF MACHINERY SCIENCE Effective date: 20081031 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20081031 Address after: 828, Mao Gang Road, Whampoa District, Guangdong, Guangzhou Province, China: 510700 Applicant after: Guangzhou BLT Hydraulics & Seals Ltd. Address before: 828, Mao Gang Road, Whampoa District, Guangdong, Guangzhou Province, China: 510700 Applicant before: Guangzhou Mechanical Engineering Research Institute |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20071024 |