CN2735069Y

CN2735069Y - Sealing device

Info

Publication number: CN2735069Y
Application number: CNU2004200012513U
Authority: CN
Inventors: 郑红专; 赵林珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-01-20
Filing date: 2004-01-20
Publication date: 2005-10-19
Anticipated expiration: 2014-01-20
Also published as: WO2005075858A1

Abstract

The utility model discloses a sealing device, comprising a device main body and at least one sealing element. The device main body and the sealing element are arranged on a first surface and a second surface with a limited pressure side by side. The outer surface of the device main body contacts with one of the first surface and the second surface, and the sealing element contacts with the other one of the first surface and the second surface in a sliding way. The other sealing device comprises two device main bodies and at least one sealing element. The sealing element is clamped and arranged between the two device main bodies, and the sealing device is arranged between the two surfaces with a limited pressure. The outer surfaces of the two device main bodies respectively contact with the two surfaces in a sliding way. A sealing device comprises the device main body and the sealing element, and both sides of the sealing element respectively abut with the first surface and the second surface under the scheduled pressure. The device main body is embedded into the sealing element, holding the position of the sealing element or holding the specific shape of the sealing element.

Description

Seal arrangement

Technical field

The utility model relates to a kind of seal arrangement, relates in particular to a kind of two seal arrangements between the surface that has a relative movement that are used in.

Background technique

In the industrial or agricultural field, the application of seal arrangement is very extensive, as oil sealing device, water sealing device etc.Such as the normal bearing that uses in industry.Bearing in use need guarantee to lubricate, and generally adopts lubricant oil, but in actual use, lubricant oil Chang Yi leaks outside, and seals badly, makes the lubricant oil that exist to leak at machine outer surface and machine position place, not only influences attractive in appearancely, and working environment is worsened.Especially as in the milling train field, the bearing of milling train in use need inject a large amount of lubricant oil and lubricate, but owing to lack the device of sealing lubricating oil, cause these lubricant oil often from the slit of equipment, to leak outside, and be sprayed at the working fluid that is rolled on the material surface and mix, and can't reclaim, this just causes the lubricant oil waste.Simultaneously,, thereby the lubricity of bearing is descended because leaking outside of lubricant oil makes lubricants capacity reduce, lubricated abundant inadequately, the working life of reducing bearing.For fear of this situation, in traditional milling train, adopt denseer working fluid to substitute lubricant oil, bearing is lubricated, but because the lubrication of working fluid is relatively poor, therefore, can not lubricate for bearing provides fully, and cause bearing lubrication insufficient, even damage.Therefore, need provide a kind of seal arrangement of lubricant oil that can the excellent sealing lubricating bearings, make lubricant oil and working fluid circulate independently of one another, thereby reduced the loss of lubricant oil.

The model utility content

The purpose of this utility model just is to provide simple in structure, the oil sealing device that can avoid lubricant oil to leak outside between a kind of surface that is used for two relative movement.

The purpose of this utility model can realize by following measure:

Of the present utility model aspect first, a kind of first surface of two relative movement and seal arrangement between the second surface of being used for is provided, this device comprises apparatus main body, and at least one seal element, seal element and apparatus main body are arranged between two surfaces to be sealed with certain pressure abreast, wherein in apparatus main body and described two surfaces contacts slidably, and seal element contacts with in two surfaces another.

According on the other hand of the present utility model, a kind of first surface of two relative movement and seal arrangement between the second surface of being used for is provided, the sealing device comprises two apparatus main bodies and at least one seal element, seal element is folded between the apparatus main body, and apparatus main body and seal element are arranged between the moving surface to be sealed with certain pressure, and the outer surface of two apparatus main bodies contacts slidably with described two surfaces respectively.

Preferably, apparatus main body is formed by high-abrasive material, this high-abrasive material all teflon, copper etc. in this way.

In addition, under the situation that apparatus main body is formed by other materials, on the contacted surface of apparatus main body and surface to be sealed, has a wearing layer, and this wearing layer is formed by the high-abrasive material such as teflon, copper etc., and this wearing layer is fixed on the apparatus main body by bonding, riveted joint etc.

Preferably, described seal element is for O shape circle, and is same, also can be other forms of seal ring.

Preferably, be formed with annular groove on apparatus main body, and O shape circle is fastened in this annular groove, still, the present invention is not limited thereto, is apparent that, annular groove also can be formed on O shape and enclose on the contacted surface to be sealed.

Preferably, also be evenly equipped with hole on the apparatus main body.Apparatus main body less than the total thickness at apparatus main body, so that form oil back chamber between surface to be sealed and apparatus main body, is guided flowing of lubricant oil at the thickness at hole edge place better.But these holes on the apparatus main body are not to be necessary, and oil back chamber can be formed by groove of processing on surface to be sealed etc.

In accordance with a further aspect of the present invention, a kind of first surface of two relative movement and seal arrangement between the second surface of being used for is provided, it comprises apparatus main body and seal element, the both sides of seal element respectively with first surface and second surface under predetermined pressure against, and apparatus main body embeds within the seal element, the given shape that is used to keep the position of seal element or keeps seal element.

The utility model has been owing to adopted the seal arrangement that comprises apparatus main body and seal element, thereby can play good seal action between two surfaces of relative movement.If can stop bearing the leaking outside of lubricant oil in uses such as milling train effectively, lubricant oil is flowed out regularly by certain orientation, and then recyclable lubricant oil utilize again.Save lubricant oil, guaranteed the lubricated of bearing etc., prolonged working life of bearing etc.

Description of drawings

Fig. 1 is the plan view according to the seal arrangement of the utility model first preferred embodiment;

Fig. 2 is the A-A sectional view of the seal arrangement among Fig. 1;

Fig. 3 is the view that is used for explaining the working method of seal arrangement shown in Figure 1;

Fig. 4 A-4D is the schematic representation of first kind of modification of seal arrangement shown in Figure 1;

Fig. 5 is the schematic representation of second kind of modification of seal arrangement shown in Figure 1;

Fig. 6 A-6C is the schematic representation of the third modification of seal arrangement shown in Figure 1;

Fig. 7 A-7C is the schematic representation of the 4th kind of modification of seal arrangement shown in Figure 1;

Fig. 8 A-8C is the schematic representation of the 5th kind of modification of seal arrangement shown in Figure 1; And

Fig. 9 A-9C is the schematic representation of the 6th kind of modification of seal arrangement shown in Figure 1.

Embodiment

The utility model is done with detailed description below in conjunction with drawings and Examples:

As illustrated in fig. 1 and 2, seal arrangement 100 of the present utility model comprises apparatus main body, apparatus main body comprises main body 1, offers annular groove 2 on the surface of main body 1, fastens seal ring 3 in annular groove 2, in the present embodiment, illustrate and have two annular grooves 2 on the main body, still, go out as shown in FIG. 4, also can not have annular groove on the main body, and annular groove 2 is opened on the surface to be sealed.Simultaneously, the quantity of annular groove 2 is unfettered, can be for one or more, and this depends on Environmental Conditions.As Fig. 1 and shown in, the inboard of main body 1 annular groove on circumference also is evenly equipped with hole 4, as shown in Figure 2, the ring main body at the thickness at hole edge place less than thickness, so that oil return in main body, but, be appreciated that 1 also can not have hole on main body, like this, can between main body and assembly, leave the gap, perhaps realize oil return at the interior processing oil-return groove of assembly.Main body can be become as teflon or copper by high-abrasive material.In addition, main body also can be supported by other materials, but also comprises the wearing layer of making by such as the high-abrasive material of teflon or copper etc., and this wearing layer is fixed on the main body by multiple modes such as screw, bonding, riveted joints.

Referring to the working principle of Fig. 3 detailed description according to the utility model preferred embodiment.Figure 3 shows that seal arrangement 100 as shown in Figure 1 is applied between the bearing outer ring and bearing base of milling train, prevents that the oil that is used for lubricating bearings from leaking from the slit between the two.In Fig. 3, the outer ring of reference character 10 sign bearings, in the course of the work, rotate around a (not shown) this outer ring, and reference character 20 signs are used for bearings mounted bearing base, a side surface 21 of bearing base is relative with the side of the outer ring 10 of bearing, and between the two, form the gap, seal arrangement 100 is installed between the side of the side surface 21 of bearing base and bearing outer ring 10, and the main body of the apparatus main body of seal arrangement 100 contacts with the side of bearing outer ring 10, and O shape circle contacts with side surface 21, in the course of the work, the lubricant oil of lubricating bearings flows out from end ring 12, but because the existence of seal arrangement 100, and can be, but flow back into lubricant oil gathering-device (not shown) via hole on the main body 4 and the drainback passage that is formed in the bearing base from the slot leakage between side surface 21 and the bearing outer ring side, and be in this circulation from this, and be used for the lubricated of bearing.

Below with reference to Fig. 4 A-4D, first kind of modification of seal arrangement of the present utility model shown in Fig. 4 in the drawings, do not form annular groove on apparatus main body, and forms annular groove 2 in one of two surfaces to be sealed, and seal element is contained in this annular groove.Fig. 5 illustrates second kind of modification, in Fig. 5, the sealing device comprises two apparatus main bodies 1, do not contact with any surface to be sealed and seal element is interposed between two apparatus main bodies, and two apparatus main bodies contacts slidably with two surfaces to be sealed respectively.Fig. 6 A-6C illustrates the third modification, in Fig. 6 A-6C, forms a stepped part on apparatus main body, this stepped part and one of two surfaces to be sealed space that holds seal element of formation.Fig. 7 A-7C illustrates the 4th kind of modification, and in the modification shown in this Fig. 7 A-7C, seal element 3 enlarges, and apparatus main body 1 dwindles and is embedded within the seal element, and in detail with reference to Fig. 7 C, apparatus main body 1 is degenerated to the effect that keeps the seal element shape as can be seen.But this can realize purpose of the present invention equally, therefore, and also should be within protection scope of the present invention.

In addition, Fig. 8 A-8C and Fig. 9 A-9C illustrate the 5th kind and the 6th kind of modification of seal arrangement of the present invention respectively.With reference to Fig. 8 A-8C and Fig. 9 A-9C, those skilled in the art can contemplate, if seal element 3 is enlarged, and make seal element 3 lean with two surfaces to be sealed simultaneously, and this moment, apparatus main body 1 was degenerated to an effect that keeps the position of seal element, perhaps apparatus main body 1 act as the effect of the retainer of a shape that keeps seal element, so still can realize purpose of the present invention.

Certainly, not only be applied on the bearing outer ring and the sealing between the bearing base in the above-mentioned milling train, but can be applied between any two surfaces that have a relative movement according to seal arrangement of the present utility model.

Although with reference to preferred embodiment diagram and the description detailed in addition to the utility model, but it will be appreciated by those skilled in the art that, not deviating under the scope of the present invention and marrow prerequisite that limits by appended claims, can make various modifications and distortion to the utility model.

Claims

1. one kind is used for the first surface of two relative movement and the seal arrangement between the second surface, it is characterized in that, comprise apparatus main body and at least one seal element, apparatus main body and seal element are arranged side by side between described first surface and second surface with certain pressure, and the outer surface of apparatus main body contacts slidably with a surface among first and second surfaces, and seal element contacts with among first surface and the second surface another.

2. seal arrangement as claimed in claim 1, wherein, described apparatus main body is made by high-abrasive material.

3. seal arrangement as claimed in claim 1, wherein, described apparatus main body constitutes by main body with by the wearing layer that high-abrasive material is made.

4. as claim 2 or 3 described seal arrangements, wherein, described high-abrasive material is teflon or copper.

5. seal arrangement as claimed in claim 1, wherein, apparatus main body partly is made of main body and at least one annular groove, and seal element is positioned at described annular groove.

6. seal arrangement as claimed in claim 5 wherein, also is formed with hole on described annular groove radially inner side.

7. seal arrangement as claimed in claim 6, wherein, described main body is at the width at the hole place overall width less than main body.

8. seal arrangement as claimed in claim 1, wherein, described main body is embedded within the seal element.

9. the seal arrangement between the surface that is used for two relative movement, it is characterized in that, comprise two apparatus main bodies and at least one seal element, described seal element is folded between two apparatus main bodies, and seal arrangement is arranged between described two surfaces with certain pressure, and the outer surface of two apparatus main bodies contacts slidably with described two surfaces respectively.

10. seal arrangement as claimed in claim 9, wherein, described apparatus main body is made by high-abrasive material.

11. seal arrangement as claimed in claim 9, wherein, described apparatus main body constitutes by main body with by the wearing layer that high-abrasive material is made.

12. as claim 10 or 11 described seal arrangements, wherein, described high-abrasive material is teflon or copper.

13. seal arrangement as claimed in claim 9, wherein, at least one apparatus main body partly is made of main body and at least one annular groove, and seal element is arranged in described annular groove.

14. one kind is used for the first surface of two relative movement and the seal arrangement between the second surface, it is characterized in that, comprise apparatus main body and seal element, the both sides of seal element respectively with first surface and second surface under predetermined pressure against, and apparatus main body embeds within the seal element, the given shape that is used to keep the position of seal element or keeps seal element.