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CN201047442Y - X-shape combined seal ring - Google Patents

X-shape combined seal ring Download PDF

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Publication number
CN201047442Y
CN201047442Y CNU2007200519396U CN200720051939U CN201047442Y CN 201047442 Y CN201047442 Y CN 201047442Y CN U2007200519396 U CNU2007200519396 U CN U2007200519396U CN 200720051939 U CN200720051939 U CN 200720051939U CN 201047442 Y CN201047442 Y CN 201047442Y
Authority
CN
China
Prior art keywords
shaped
ring
seal ring
shape combined
combined 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 - Lifetime
Application number
CNU2007200519396U
Other languages
Chinese (zh)
Inventor
黄兴
吴文涛
王睿
林本宏
刘建红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou BLT Hydraulics & Seals Ltd.
Original Assignee
Guangzhou Mechanical Engineering Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Mechanical Engineering Research Institute Co Ltd filed Critical Guangzhou Mechanical Engineering Research Institute Co Ltd
Priority to CNU2007200519396U priority Critical patent/CN201047442Y/en
Application granted granted Critical
Publication of CN201047442Y publication Critical patent/CN201047442Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides an XV-shaped combined sealing ring, comprising an X-shaped sealing ring, and a V-shaped sealing ring. Two relative ends of the X-shaped sealing ring are respectively matched and connected with the sealing end of the V-shaped sealing ring; the opening end of the V-shaped sealing ring is matched and connected with a supporting ring or directly connected with a groove part. The XV-shaped combined sealing ring has bidirectional sealing performance and can be conveniently combined for application at the same time, with flexible dimensions suitable for sealing grooves with different dimensions and for bearing wide pressure range; the utility model has the advantages of excellent sealing effect and long service life; furthermore, the combined structure is also convenient for replacing part components, being of easy maintenance and convenient generalization and application in large scale, and more particularly being applicable to a plurality of domestic industrial and mining enterprises, especially to requirements of heavy and large equipment to fluid sealing.

Description

XV shape combined seal ring
Technical field
The utility model 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.
The model utility content
The purpose of this utility model is to overcome the shortcoming of prior art 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.
The purpose of this utility model 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 utility model 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 utility model 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 the utility model XV shape combined seal ring.
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 the utility model XV shape combined seal ring.
Fig. 4 is the schematic representation of the another structure of the utility model XV shape combined seal ring.
Fig. 5 is the utility model XV shape combined seal ring schematic representation of a structure again.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but mode of execution of the present utility model is not limited thereto.
Embodiment 1
Fig. 1 and Fig. 2 show a kind of concrete structure of the present utility model, 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.
Embodiment 2
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.
Embodiment 3
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 the utility model preferred implementation; but mode of execution of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.

Claims (10)

1. 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 is characterized in that: described support ring is 2, and 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 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 is characterized in that: the closed end inboard of described V-shaped ring is provided with oil groove.
CNU2007200519396U 2007-05-25 2007-05-25 X-shape combined seal ring Expired - Lifetime CN201047442Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200519396U CN201047442Y (en) 2007-05-25 2007-05-25 X-shape combined seal ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200519396U CN201047442Y (en) 2007-05-25 2007-05-25 X-shape combined seal ring

Publications (1)

Publication Number Publication Date
CN201047442Y true CN201047442Y (en) 2008-04-16

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ID=39300025

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200519396U Expired - Lifetime CN201047442Y (en) 2007-05-25 2007-05-25 X-shape combined seal ring

Country Status (1)

Country Link
CN (1) CN201047442Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011050837A1 (en) * 2009-10-28 2011-05-05 Aktiebolaget Skf X-shaped seal for rolling bearing, in particular for rolling bearing used in a wind turbine
CN102537359A (en) * 2010-11-25 2012-07-04 罗伯特·博世有限公司 V-shaped packing ring for V-shaped packing sealing set
CN104067040A (en) * 2011-11-01 2014-09-24 泰耶哈兰德股份有限公司 Seal arrangement for valve
EP3572694A1 (en) 2014-09-12 2019-11-27 American Seal and Engineering Company, Inc. Sealing ring

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011050837A1 (en) * 2009-10-28 2011-05-05 Aktiebolaget Skf X-shaped seal for rolling bearing, in particular for rolling bearing used in a wind turbine
CN102537359A (en) * 2010-11-25 2012-07-04 罗伯特·博世有限公司 V-shaped packing ring for V-shaped packing sealing set
CN102537359B (en) * 2010-11-25 2017-05-10 罗伯特·博世有限公司 V-shaped packing ring for V-shaped packing sealing set
DE102010052558B4 (en) * 2010-11-25 2025-05-28 Van Halteren Technologies Boxtel B.V. V-ring for a V-ring seal kit
CN104067040A (en) * 2011-11-01 2014-09-24 泰耶哈兰德股份有限公司 Seal arrangement for valve
CN104067040B (en) * 2011-11-01 2017-03-29 泰耶哈兰德股份有限公司 For the seal assemblies of valve
EP3572694A1 (en) 2014-09-12 2019-11-27 American Seal and Engineering Company, Inc. Sealing ring

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20081212

Address after: 828, Mao Gang Road, Whampoa District, Guangdong, Guangzhou Province, 510700

Patentee after: Guangzhou BLT Hydraulics & Seals Ltd.

Address before: 828, Mao Gang Road, Whampoa District, Guangdong, Guangzhou Province, 510700

Patentee before: Guangzhou Mechanical Engineering Research Institute

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: 20081212

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20080416