CN208381120U - A kind of NEW TYPE OF COMPOSITE sealing ring - Google Patents

Abstract

The utility model provides a kind of NEW TYPE OF COMPOSITE sealing ring, and sealing cover is equipped at the top of sealing ring, and the sealing cover includes the top cover and the side cover perpendicular with top cover that center is equipped with through-hole, and side cover bottom is oblique, and side cover peripheral wall length is greater than side cover inner wall；Sealing ring vertical direction is equipped with groove, is equipped with the sealing strip matched with the groove shapes and size in groove, and sealing strip and the sealing ring are unlike material, and bottom portion of groove is to being equipped with cushion hole between sealing ring lateral wall.The utility model structure is simple, and design is reasonable, good airproof performance, two different sealed materials cooperate fixed with complementation, whole leakproofness is enhanced, and the wear resistance of single sealing ring and the degree of stress deformation can be changed, while decreasing the generation of slipping phenomenon；The setting of cushion hole reduces sealing ring integrally to the requirement of natural resiliency, makes sealing strip that can also have the space of receiving after deformation occurs without influencing its leakproofness.

Description

A kind of NEW TYPE OF COMPOSITE sealing ring

Technical field

This application involves sealing ring technical fields, and in particular to a kind of NEW TYPE OF COMPOSITE sealing ring.

Background technique

The circular cowling that sealing ring is made of one or several parts, be fixed on the lasso or washer of bearing and with Another lasso or washer contacts form narrow labyrinth clearance, prevent lubricating oil leakage and foreign object intrusion.Existing sealing ring is more It is made by the sealing material of single material, improves its leakproofness by changing structure or the shape of sealing ring, reduces and skid The generation of phenomenon, but the sealing ring service life of single material is all shorter, in the situation that stress is larger or friction is excessive Under be easy to happen abrasion or deformation, influence its leakproofness and using effect.

Summary of the invention

The technical problem to be solved by the present invention is to provide a kind of NEW TYPE OF COMPOSITE sealing ring, good seal performance uses the longevity Life length.

In order to solve the above-mentioned technical problem, this application discloses a kind of NEW TYPE OF COMPOSITE sealing rings, including section is rectangle Sealing ring, be equipped with sealing cover at the top of the sealing ring, the sealing cover include center be equipped with through-hole top cover and with the top Perpendicular side cover is covered, the side cover bottom is oblique, and the side cover peripheral wall length is greater than the side cover inner wall.

The sealing ring vertical direction is equipped with groove, is equipped in the groove and matches with the groove shapes and size Sealing strip, the sealing ring and the sealing strip are unlike material, and the bottom portion of groove is between the sealing ring lateral wall Equipped with cushion hole.

Further, the length of the side cover inner wall is less than at the top of the sealing ring to away from the nearest cushion hole Distance.

Further, the tilt angle of the side cover bottom surface is 115 ° -165 °.

Further, the cushion hole is laterally arranged, and multiple, equidistant arrangement is equipped in same vertical axis.

Further, the cushion hole is connected to the groove, and the diameter of the cushion hole is less than the width of the groove.

Further, the groove is located at the centre of the sealing ring in the vertical direction, and upper and lower end parts are to described close There is certain distance in the end of seal.

Further, the sealing strip inner wall is flushed with the sealing ring inner wall, surrounds the open circles of inner wall smooth.

Further, the sealing ring is connected with the sealing strip gluing.

Further, the sealing ring and the sealing strip are the alloy of different metal.

Compared with prior art, the application has the advantage that is with beneficial effect: the utility model structure is simple, and design is closed Reason, good airproof performance, wherein sealing ring vertical direction is equipped with groove, is equipped in groove and matches with the groove shapes and size The material of conjunction is different from the sealing strip of sealing ring, and two different sealed materials, which cooperate to fix, has complementation, that is, increases Strong whole leakproofness, and the wear resistance of single sealing ring and the degree of stress deformation can be changed, while decreasing skidding The generation of phenomenon；Bottom portion of groove reduces sealing ring entirety to cushion hole, the setting of cushion hole is equipped between sealing ring lateral wall Requirement to natural resiliency, meanwhile, can have the space of receiving after deformation occurs even if sealing strip, without influencing its sealing Property.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:

Fig. 1 is the cross-sectional view of the vertical cross-section of the utility model.

Fig. 2 is the cross-sectional view in the section AA of the utility model.

Wherein: 1. end caps；2. sealing ring；3. groove；4. sealing strip；5. cushion hole；6. side cover.

Specific embodiment

Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments.

As Figure 1-Figure 2, the utility model provides a kind of NEW TYPE OF COMPOSITE sealing ring, including section is rectangular close Seal 2 is equipped with sealing cover 1 at the top of the sealing ring 2, and the sealing cover 1 and sealing ring 2 are welded to connect, in being integrally formed setting. The sealing cover 1 includes the top cover and the side cover 6 perpendicular with the top cover that center is equipped with through-hole, and 6 bottom of side cover is in incline Ramp-like, 6 peripheral wall length of side cover is greater than 6 inner wall of side cover, and the setting of side cover 6 realizes the horizontal direction of entire sealing ring Sealing and have the function of water proof and dust proof.

2 vertical direction of sealing ring is equipped with groove 3, is equipped with and the 3 shapes and sizes phase of groove in the groove 3 The sealing strip 4 of cooperation, sealing ring 2 described in the sealing strip 4 are unlike material, and the sealing strip 4 can be with the sealing ring 2 Polytetrafluoroethylene (PTFE) and rubber, or be the alloy of different metal, such as the alloy of aluminium and the alloy of iron.3 bottom of groove to institute It states and is equipped with cushion hole 5 between 2 lateral wall of sealing ring.Its hardness of different sealed materials is different, and elasticity is different, stress deformation Difference works in coordination fixed with complementation, that is, enhances whole leakproofness, and can change the wear-resisting of single sealing ring The degree of degree, stress deformation, while decreasing the generation of slipping phenomenon.

Further, the length of 6 inner wall of side cover is less than 2 top of sealing ring to away from the nearest buffering The distance in hole 5 influences it and plays a role in order to avoid covering closes on cushion hole 5.

Further, the tilt angle of 6 bottom surface of side cover is 115 ° -165 °.Avoid the aqueous reflux to flow down along side cover To the cushion hole of sealing ring 2, even if there is water flow to sealing cover 1, also can along sealing cover 1 outer wall to flow down, without flowing Into in cushion hole 5.

Further, the laterally setting of cushion hole 5, is equipped with multiple, equidistant arrangement in same vertical axis, with Reduce the whole requirement to natural resiliency of sealing ring 2, meanwhile, can have the space of receiving after deformation occurs even if sealing strip, Without influencing its leakproofness.

Further, the cushion hole 5 is connected to the groove 3, and the diameter of the cushion hole 5 is less than the groove 3 Width ensure that sealing strip 4 does not shift.

Further, 4 inner wall of sealing strip is flushed with 2 inner wall of sealing ring, surrounds the open circles of inner wall smooth.

Further, depending on the connection type of the sealing ring 2 and the sealing strip 4 is with material, the sealing ring 2 and institute When stating the respectively polytetrafluoroethylene (PTFE) of sealing strip 4 and rubber, gluing connection can be used, when the sealing ring 2 and the sealing strip 4 divide Not Wei aluminium alloy and iron alloy when, the two is using integrated cast molding.

Further, the groove 3 is located at the centre of the sealing ring 2 in the vertical direction, and upper and lower end parts are to described There is certain distance in the end of sealing ring 2.Groove 3 can also be arranged to through slot, correspondingly, sealing strip 4 prolongs from 2 top surface of sealing ring Extend to bottom surface.Being arranged to groove 3 is mainly the leakproofness for further enhancing itself and sealing ring 2, due to sealing strip 4 and sealing ring 2 Gluing connection, junction are externally exposed for a long time, and viscose glue is easily divided or fallen off, and causes easy adhesion leakiness.

One embodiment of the utility model is described in detail above, but the content is only the utility model Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model All the changes and improvements etc., should still belong within the patent covering scope of the utility model.

Claims (7)

1. a kind of NEW TYPE OF COMPOSITE sealing ring, including section are rectangular sealing ring, it is characterised in that: set at the top of the sealing ring There is sealing cover, the sealing cover includes the top cover and the side cover perpendicular with the top cover that center is equipped with through-hole, the side cover bottom Portion is oblique, and the side cover peripheral wall length is greater than the length of the side cover inner wall；

The sealing ring vertical direction is equipped with groove, and the groove is interior close equipped with matching with the groove shapes and size Strip of paper used for sealing, the sealing strip and the sealing ring are unlike material, and the bottom portion of groove is equipped between the sealing ring lateral wall Cushion hole.

2. NEW TYPE OF COMPOSITE sealing ring according to claim 1, it is characterised in that: the length of the side cover inner wall is less than described To the distance away from the nearest cushion hole at the top of sealing ring.

3. NEW TYPE OF COMPOSITE sealing ring according to claim 2, it is characterised in that: the tilt angle of the side cover bottom surface is 115°-165°。

4. NEW TYPE OF COMPOSITE sealing ring according to claim 1, it is characterised in that: the cushion hole is laterally arranged, same Vertical axis be equipped with it is multiple, it is equidistant to arrange.

5. NEW TYPE OF COMPOSITE sealing ring according to claim 4, it is characterised in that: the cushion hole is connected to the groove, The diameter of the cushion hole is less than the width of the groove.

6. NEW TYPE OF COMPOSITE sealing ring according to claim 1, it is characterised in that: the groove is located at institute in the vertical direction The centre of sealing ring is stated, there is certain distance in the end of upper and lower end parts to the sealing ring.

7. NEW TYPE OF COMPOSITE sealing ring according to claim 1, it is characterised in that: the sealing strip inner wall and the sealing ring Inner wall flushes, and surrounds the open circles of inner wall smooth.