CN205315507U

CN205315507U - A sealing member and slewing bearing for supporting product

Info

Publication number: CN205315507U
Application number: CN201521128197.3U
Authority: CN
Inventors: 汤卫斌; 封前; 李金峰
Original assignee: Xuzhou Rothe Erde Slewing Bearing Co Ltd
Current assignee: Xuzhou Rothe Erde Slewing Bearing Co Ltd
Priority date: 2015-12-29
Filing date: 2015-12-29
Publication date: 2016-06-15
Anticipated expiration: 2025-12-29

Abstract

The utility model relates to a sealing member and slewing bearing for supporting product. The sealing member that wherein is used for supporting the product includes body and follow sealed root and primary seal lip that the body extends, the primary seal lip is used for to leaning on on the friction ring of supporting product, sealed root is used for the embedding among the mounting rim of supporting product, its characterized in that still includes the follow the secondary seal lip that the body extends, the secondary seal lip is used for contact simultaneously the friction ring and the mounting rim of supporting product are sealed the friction ring of supporting product and the clearance between the mounting rim. The utility model relates to a two lip seal spares can play fine protective action to the supporting product, have solved the inside problem that gets into the steel sand of in -process product of carrying out surface coating to the supporting product, have saved man -hour, have improved the sandblast qualification rate, have guaranteed anticorrosive quality.

Description

For supporting sealing member and the pivoting support of product

Technical field

This utility model relates to a kind of sealing member, especially relates to a kind of sealing member for supporting product particularly pivoting support.

Background technology

Band is an important accessory on pivoting support product, its effect mainly prevents the lubricating oil being filled in raceway from leaking, can also prevent extraneous dust or other materials from entering supporting interiors of products simultaneously, therefore pivoting support product tool is very helpful by band, is an indispensable part.

Cause that some pivoting supports (such as wind-powered electricity generation supporting, supporting peculiar to vessel etc.) face very high requirement for anticorrosion generally, due to reasons such as use condition, environment, need in the fabrication process supporting surface is carried out anticorrosion with painting process, for instance surface sand-blasting. In practical operation; before surface sand-blasting; during in order to prevent sandblasting, the sand grains of steel sand enters raceway; typically require, for supporting product, exclusion seal band is installed; the function of this exclusion seal band is in sandblasting procedures, supporting product to be played a protective role, and waits until that preservative treatment can be changed by new finished product band after terminating.

Most of supporting product in the market all uses single lip seal band, and in the ordinary course of things, single lip seal band can substantially meet instructions for use. But for the supporting product that the gap between part installing ring and dead turn is bigger, in actual sandblasting procedures, will often find that exclusion seal band can tilt or come off, thus causing playing real protective action. The degeneration of the basic protective action of this exclusion seal band or forfeiture cause that the steel sand in sandblasting procedures enters below band, even fall into inside raceway, and this substantially increases the difficulty of cleaning, not only increase man-hour, and also need to take raceway apart when situation is serious and clean, result not only causes into the significant wastage of present aspect, but also can affect outward appearance and the quality of product, also causes hidden danger of quality in follow-up use simultaneously.

Utility model content

The purpose of this utility model be for existing single lip seal with exist the problems referred to above, a kind of novel two-lip seal for supporting product especially pivoting support is provided, this two-lip seal, while provide excellent sealing property for supporting product, also has the advantages such as easily fabricated, assembling.

For achieving the above object, according to an aspect of the present utility model, propose a kind of sealing member for supporting product, including body and the sealing root extended from described body and primary seal lip, described primary seal lip is for being resisted against the dead turn of described supporting product, described sealing root is for embedding in the installing ring of described supporting product, characterized by further comprising the secondary sealing lip extended from described body, described secondary sealing lip is for contacting dead turn and the installing ring of described supporting product simultaneously, seal the gap between dead turn and the installing ring of described supporting product.

Preferably, described secondary sealing lip is for being inserted in the gap between described dead turn and installing ring.

Preferably, described primary seal lip seals the rubbing surface between primary seal lip and described dead turn under the drive of described secondary sealing lip, to avoid external substance to enter described supporting interiors of products.

Preferably, described sealing root is for being embedded in the groove of installing ring of described supporting product.

Preferably, described sealing root is ratchet-like, and the crown of described ratchet is towards the body of described sealing member and for sealing with described groove fit.

Preferably, described secondary sealing lip is ratchet-like, and the crown of described ratchet is towards the body of described sealing member and is used for the respective surfaces against described installing ring and dead turn to seal described gap.

Preferably, the outer end of described secondary sealing lip forms sealing surface, and the side outer rim of this sealing surface contacts described dead turn, and opposite side outer rim contacts described installing ring, thus sealing described gap.

Preferably, described sealing surface is towards the recessed concave surface of described body, the convex surface protruded towards described gap or plane.

Preferably, described sealing member is protection sealing element, for described supporting product being protected in surface spraying process.

Preferably, described sealing member is band.

Preferably, described supporting product is pivoting support.

According to another aspect of the present utility model, it is also proposed that a kind of pivoting support, it is characterised in that described pivoting support includes as above for supporting the sealing member of product.

Supporting product particularly pivoting support can be played good protective action by the sealing member for supporting product that this utility model provides, solve the problem that in the process that supporting product carries out surface spraying, interiors of products enters steel sand, save man-hour, improve sandblasting qualification rate, it is ensured that anticorrosive quality.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the exemplary embodiment that this use is novel is described in more detail. For clarity sake, in different accompanying drawings, identical parts illustrate with identical label. Wherein,

Fig. 1 illustrates the profilograph of the sealing member for supporting product according to this utility model embodiment.

Fig. 2 illustrates the profilograph of the supporting product of the sealing member included as shown in Figure 1.

Fig. 3 illustrates the profilograph of the supporting product of the sealing member included according to another embodiment of the present utility model.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model exemplary embodiment is elaborated. For clarity and brevity, actual embodiment is not limited to these technical characteristics described in this description. It should be noted that, any one practical embodiments is improved, in the process of modification, for realizing a certain specific target, this improvement, modification process be probably extremely complex and consuming time, but this for know this utility model benefit those skilled in the art remain routine techniques means. The present embodiment is carried out under premised on technical solutions of the utility model, gives detailed embodiment and process, but protection domain of the present utility model includes but are not limited to following embodiment.

Fig. 1 illustrates the profilograph of the sealing member for supporting product according to this utility model embodiment. As it is shown in figure 1, the sealing member for supporting product includes body 1, seals root 2, the primary seal lip 3 from the extension of described body 1 and the secondary sealing lip 4 from the extension of described body 1 from what described body 1 extended. According to a preferred embodiment of the present utility model, as it is shown in figure 1, described sealing root 2 is ratchet-like, the crown 21 of described ratchet is towards the body 1 of described sealing member. According to another preferred embodiment of the present utility model, as it is shown in figure 1, described secondary sealing lip 4 is ratchet-like, the crown 41 of described ratchet is towards the body 1 of described sealing member.

When the sealing member shown in Fig. 1 is arranged in supporting product (being preferably pivoting support), as in figure 2 it is shown, primary seal lip 3 is resisted against on the surface of the dead turn 6 of described supporting product, seal in the installing ring 5 that root 2 embeds supporting product. According to a preferred embodiment of the present utility model, the installing ring 5 of supporting product is provided with groove 7, this groove 7 is for holding the sealing root 2 of sealing member, when sealing root 2 and inserting in groove 7, seals the ratchet (especially crown 21) of root 2 and described groove 7 fitted seal. Secondary sealing lip 4 contacts dead turn 6 and the installing ring 5 of described supporting product simultaneously, seals the gap 8 between dead turn 6 and the installing ring 5 of described supporting product.

According to a preferred embodiment of the present utility model; as shown in Figure 2; secondary sealing lip 4 is inserted in the gap 8 between described dead turn and installing ring; its ratchet (especially crown 41) against the respective surfaces of described installing ring 5 and dead turn 6 to seal the gap 8 between installing ring 5 and dead turn 6; thus this gap is protected, to avoid the material (steel sand used in such as surface spraying process) in the external world to enter in gap 8. Additionally; when secondary sealing lip 4 is inserted in the gap 8 between dead turn and installing ring; can also drive simultaneously cover the rubbing surface between primary seal lip 3 and dead turn 6 more closely in the primary seal lip 3 outside gap; thus external substance can also be avoided from the gap of this rubbing surface to enter supporting interiors of products; so just supporting product can be carried out dual-seal protection; significantly improve sealing effectiveness, improve the quality of supporting product.

Fig. 3 illustrates the profilograph of the supporting product of the sealing member included according to another embodiment of the present utility model. As it is shown on figure 3, sealing member includes body 1 equally, seals root 2, the primary seal lip 3 from the extension of described body 1 and the secondary sealing lip 4 from the extension of described body 1 from what described body 1 extended. Similar to Fig. 2, primary seal lip 3 is resisted against on the surface of the dead turn 6 of described supporting product, with described groove 7 fitted seal in the groove 7 of the installing ring 5 of sealing root 2 embedding supporting product. With Fig. 2 the difference is that, according to this embodiment, it is internal that secondary sealing lip 4 does not go deep into the gap 8 between dead turn 6 and installing ring 5, but sealing surface is formed in the outer end of this pair sealing lip 4, the dead turn 6 of the side outer rim contact supporting product of this sealing surface, and the installing ring 5 of opposite side outer rim contact supporting product, thus the gap 8 between seal friction circle 6 and installing ring 5 is to avoid the material in the external world to enter in gap 8. According to a preferred embodiment of the present utility model, the sealing surface of described secondary sealing lip 4 can be the concave surface recessed towards body 1 as shown in Figure 3, it can also be the convex surface (not shown) protruded towards described gap 8, can also be the surface of plane or other shapes, as long as this sealing surface can close the gap between dead turn and installing ring. Any change that those skilled in the art make under the guidance of this thought is all within protection domain of the present utility model.

According to another preferred embodiment of the present utility model, it is also proposed that a kind of supporting product employing two-lip seal as shown in figures 1 and 3, especially with the pivoting support of above-mentioned two-lip seal. Owing to its core component and structure are described in detail above, therefore repeat no more here.

The two-lip seal for supporting product that this utility model provides is for supporting products such as pivoting supports, especially for the supporting product that there is larger gap between installing ring and dead turn can play a very good protection. this two-lip seal will not tilt or come off in actual sandblasting procedures, and owing to secondary sealing lip can drive primary seal lip to cover the rubbing surface between this primary seal lip and supporting product dead turn more closely while the gap inserted between dead turn and installing ring, so supporting product can be played dual protective effect, so that in the situation carrying out occurring steel sand to enter below band in the antiseptic process of surface spraying to supporting product, so both improve sandblasting qualification rate, ensure that anticorrosive quality thus improve the quality of supporting product, save again man-hour, save cost.

Although this utility model being described in detail based on preferred embodiment, but those skilled in the art should know, and the scope that this utility model is claimed is not limited to this preferred embodiment. When without departing from spirit of the present utility model and purport; embodiment can be carried out variations and modifications by those of ordinary skill in the art on understanding basis of the present utility model, and therefore falls in the protection domain that this utility model claims limit.

Claims

1. the sealing member being used for supporting product, including body (1) and the primary seal lip (3) extended from described body with seal root (2), described primary seal lip (3) is for being resisted against the dead turn (6) of described supporting product, described sealing root (2) is for embedding in the installing ring (5) of described supporting product, characterized by further comprising the secondary sealing lip (4) extended from described body (1), described secondary sealing lip (4) is for contacting dead turn (6) and the installing ring (5) of described supporting product simultaneously, seal the gap (8) between the dead turn (6) of described supporting product and installing ring (5).

2. sealing member according to claim 1, it is characterised in that described secondary sealing lip (4) is used for being inserted in the gap between described dead turn (6) and installing ring (5).

3. sealing member according to claim 2, it is characterized in that, described primary seal lip (3) seals the rubbing surface between primary seal lip (3) and described dead turn (6) under the drive of described secondary sealing lip (4), to avoid external substance to enter described supporting interiors of products.

4. sealing member according to claim 2, it is characterised in that described sealing root (2) is for being embedded in the groove (7) of installing ring (5) of described supporting product.

5. sealing member according to claim 4, it is characterized in that, described sealing root (2) is ratchet-like, the crown (21) of described ratchet towards described sealing member body (1) and for and described groove (7) fitted seal.

6. sealing member according to claim 4, it is characterized in that, described secondary sealing lip (4) is ratchet-like, the crown (41) of described ratchet towards the body (1) of described sealing member and for the respective surfaces against described installing ring (5) and dead turn (6) to seal described gap (8).

7. sealing member according to claim 1, it is characterized in that, the outer end of described secondary sealing lip (4) forms sealing surface, the side outer rim of this sealing surface contacts described dead turn (6), and opposite side outer rim contacts described installing ring (5), thus sealing described gap (8).

8. sealing member according to claim 7, it is characterised in that described sealing surface is towards the recessed concave surface of described body (1), the convex surface protruded towards described gap (8) or plane.

9. sealing member according to claim 1, it is characterised in that described supporting product is pivoting support.

10. a pivoting support, it is characterised in that described pivoting support includes the sealing member for supporting product according to any one of claim 1-9.