CN211288489U

CN211288489U - Bearing with double sealing assemblies

Info

Publication number: CN211288489U
Application number: CN201922483528.XU
Authority: CN
Inventors: 王社良; 尹仁君
Original assignee: Xinchang Derui Bearing Factory
Current assignee: Xinchang Derui Bearing Factory
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-18
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a bearing with double sealing components, aiming at providing a bearing with good dustproof effect and simple structure, which is characterized in that two sealing components are arranged between an inner ring and an outer ring, the two sealing components are respectively arranged at both sides of the inner ring and the outer ring, the sealing components comprise a main sealing element and an outer sealing element arranged on the main sealing element, in order to improve the connection stability between the main sealing element and the outer sealing element, the connection stability between the main sealing element and the outer sealing element is improved by arranging a connecting component between the main sealing element and the outer sealing element, furthermore, the connecting component is arranged to comprise a plurality of connecting grooves arranged on the main sealing element, inner ring grooves arranged on the side walls of the connecting groove grooves, a mounting block arranged on the outer sealing element and matched with the connecting grooves, and an inner ring block arranged on the mounting block and matched with the inner ring grooves, the utility model is suitable for a transmission accessory technical field.

Description

Bearing with double sealing assemblies

Technical Field

The utility model relates to a transmission accessory technical field, more specifically say, it relates to a bearing with double seal subassembly.

Background

At present, a bearing in the market comprises an outer ring, an inner ring, a retainer and a plurality of balls, wherein a channel is formed between the outer ring and the inner ring, and the retainer and the balls are arranged in the channel. The relatively poor of the dustproof effect measure of traditional bearing is done, leads to easily in the in-process dust that uses gets into the bearing, has accelerated the wearing and tearing of bearing, consequently need carry out dustproof measure, and through having set up behind the dustproof piece, when dismantling the clearance to the dustproof piece, also can lead to secondary pollution's phenomenon because the dust is attached to on the dustproof piece, has increased the degree of difficulty of clearance.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a dustproof effectual sealed effect and simple structure's bearing.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a bearing with dual seal assembly, includes outer lane, inner circle, holder and a plurality of ball, is formed with the channel between outer lane and the inner circle, and in the channel was all arranged in to holder and ball, be equipped with two seal assembly between inner circle and the outer lane, two seal assembly set up respectively in the both sides of inside and outside circle, seal assembly includes the main seal spare and sets up the outer seal spare on the main seal spare, be equipped with coupling assembling between main seal spare and the outer seal spare, this coupling assembling including set up a plurality of spread grooves on the main seal spare, set up in the interior annular groove on each spread groove lateral wall, set up on the outer seal spare and with the installation piece of spread groove looks adaptation and set up on the installation piece and with the interior annular block of inner ring groove looks.

By adopting the technical scheme, two sealing components are arranged between the inner ring and the outer ring and are respectively arranged on two sides of the inner ring and the outer ring, each sealing component comprises a main sealing element and an outer sealing element arranged on the main sealing element, in order to improve the connection stability between the main sealing element and the outer sealing element, the connection stability between the main sealing element and the outer sealing element is improved by arranging a connecting component between the main sealing element and the outer sealing element, further, the connecting component comprises a plurality of connecting grooves arranged on the main sealing element, inner ring grooves arranged on the side walls of the connecting grooves, mounting blocks arranged on the outer sealing element and matched with the connecting grooves, and inner ring blocks arranged on the mounting blocks and matched with the inner ring grooves, and subsequent cleaning of dust is ensured on one hand through the matching between the connecting grooves and the mounting blocks and the matching between the inner ring grooves and the inner ring blocks, the secondary pollution is prevented, on the other hand, through the external seal piece that sets up, then improved good dustproof effect, the practicality is strong, simple structure.

The utility model discloses further set up to: the outer sealing piece is provided with two extending bodies, one extending body extends towards one side of the outer ring, the other extending body extends towards one side of the inner ring, the length of the extending body extending towards one side of the outer ring is 1/3 the thickness of the outer ring, and the length of the extending body extending towards one side of the inner ring is 1/2 the thickness of the inner ring.

Through adopting above-mentioned technical scheme, be equipped with two extension bodies on the external seal piece, an extension body extends to outer lane one side, another extension body extends to inner lane one side, and the length of the extension body that extends to outer lane one side is 1/3 of outer lane thickness, the length of the extension body that extends to inner lane one side is 1/2 of inner circle thickness, through the extension structure that sets up, good dustproof effect has been improved, the distance to the dust separation has been increased, the stability of bearing when the operation has been ensured, therefore, the clothes hanger is strong in practicability, and is simple in structure.

The utility model discloses further set up to: the outer sides of the two extending bodies are provided with chamfer structures.

Through adopting above-mentioned technical scheme, all be equipped with the chamfer structure on the outside of two extension bodies, the setting of chamfer structure has reduced the atress scope of extension body for the surface stress of extension body has obtained the dispersion, thereby has improved good structural strength, and the practicality is strong, simple structure.

The utility model discloses further set up to: the gap between the extension body extending to the outer ring side and the outer ring is 1mm-2mm, and the gap between the extension body extending to the inner ring side and the inner ring is 1mm-2 mm.

By adopting the technical scheme, the gap between the extension body extending to one side of the outer ring and the outer ring is between 1mm and 2mm, and the gap between the extension body extending to one side of the inner ring and the inner ring is between 1mm and 2 mm.

The utility model discloses further set up to: the section of the inner ring block is arc-shaped.

Through adopting above-mentioned technical scheme, the cross-section of inner ring piece is circular-arcly, adopts the structure setting, and the structure through with the inner ring piece sets up to the cross-section and is circular-arcly, and circular-arc structure is convenient for install the cooperation, simple structure, and the practicality is strong, has formed good location effect simultaneously.

Drawings

Fig. 1 is a cross-sectional view of an embodiment of a bearing having a dual seal assembly according to the present invention.

Fig. 2 is an enlarged schematic view of a structure at a point a in fig. 1 according to an embodiment of the bearing with the double seal assembly of the present invention.

Reference numeral in the figure, 1, outer ring; 10. a primary seal; 11. an outer seal; 101. connecting grooves; 102. an inner ring groove; 110. mounting blocks; 111. an inner ring block; 12. an extension body; 120. a chamfering structure; 2. an inner ring; 3. a holder; 4. and a ball.

Detailed Description

An embodiment of a bearing with a dual seal assembly of the present invention is further described with reference to fig. 1-2.

For ease of description, spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The utility model provides a bearing with double seal assembly, including outer lane 1, inner circle 2, holder 3 and a plurality of ball 4, be formed with the channel between outer lane 1 and the inner circle 2, holder 3 and ball 4 all arrange in the channel, be equipped with two seal assembly between inner circle 2 and the outer lane 1, two seal assembly set up respectively in, the both sides of outer lane, seal assembly includes main seal 10 and sets up outer seal 11 on main seal 10, in order to improve the connection stability between main seal 10 and outer seal 11, through be equipped with coupling assembling between main seal 10 and outer seal 11, then the connection stability between main seal 10 and outer seal 11 has been improved, further through setting up coupling assembling to including setting up a plurality of spread grooves 101 on main seal 10, set up interior annular groove 102 on each spread groove 101 groove lateral wall, set up on outer seal 11 and with spread groove 101 looks adaptation installation piece 110 and set up on installation piece 110 and with interior annular The interior ring piece 111 of groove 102 looks adaptation through the cooperation between connecting groove 101 and the installation piece 110 and the cooperation between interior ring groove 102 and the interior ring piece 111, has ensured follow-up clearance to the dust on the one hand, prevents to take place secondary pollution, and on the other hand, through the outer sealing member 11 that sets up, then has improved good dustproof effect, and the practicality is strong, simple structure.

The utility model discloses further set up to, be equipped with two extension bodies 12 on the external seal 11, an extension body 12 extends to outer lane 1 one side, another extension body 12 extends to inner circle 2 one side, and the length of the extension body 12 that extends to outer lane 1 one side is 1/3 of 1 thickness of outer lane, the length of the extension body 12 that extends to inner circle 2 one side is 1/2 of 2 thickness of inner circle, through the extension structure who sets up, good dustproof effect has been improved, the distance to the dust separation has been increased, the stability of bearing when the operation has been ensured, therefore, the clothes hanger is strong in practicability, and is simple in structure.

The utility model discloses further set up to, all be equipped with chamfer structure 120 on the outside of two extension bodies 12, the atress scope of extension body 12 has been reduced in the setting of chamfer structure for the surface stress of extension body 12 has obtained the dispersion, thereby has improved good structural strength, and the practicality is strong, simple structure.

The utility model discloses further set up to, the clearance between the extension 12 that extends to outer lane 1 one side and outer lane 1 is between 1mm-2mm, and the clearance between extension 12 that extends to inner lane 2 one side and the inner circle 2 is between 1mm-2mm, adopts above-mentioned structure setting for form space to a certain extent between extension 12 and the interior outer lane, then guaranteed good protecting effect, the practicality is strong, simple structure.

The utility model discloses further set up to, the cross-section of inner ring piece 111 is circular-arcly, adopts the structure setting, sets up to the cross-section through the structure with inner ring piece 11 and is circular-arcly, and circular-arc structure is convenient for install the cooperation, simple structure, and the practicality is strong, has formed good location effect simultaneously.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.

Claims

1. The utility model provides a bearing with double seal assembly, includes outer lane (1), inner circle (2), holder (3) and a plurality of ball (4), is formed with the channel between outer lane (1) and inner circle (2), and in the channel was all arranged in to holder (3) and ball (4), a serial communication port, be equipped with two seal assembly between inner circle (2) and outer lane (1), two seal assembly set up respectively in the both sides of inside and outside circle (1), seal assembly includes main seal (10) and sets up outer seal (11) on main seal (10), be equipped with coupling assembling between main seal (10) and outer seal (11), this coupling assembling is including setting up a plurality of spread groove (101) on main seal (10), setting up interior annular groove (102) on each spread groove (101) groove lateral wall, setting up on outer seal (11) and with mounting block (110) looks adaptation of spread groove (101) and set up on mounting block (110) and with mounting block (110) and the ball (4) of spread groove (101) looks adaptation And the inner ring block (111) is matched with the inner ring groove (102).

2. A bearing with a double seal assembly according to claim 1, wherein the outer seal member (11) is provided with two extensions (12), one extension (12) extends towards the outer ring (1) side, the other extension (12) extends towards the inner ring (2) side, the length of the extension (12) extending towards the outer ring (1) side is 1/3 of the thickness of the outer ring (1), and the length of the extension (12) extending towards the inner ring (2) side is 1/2 of the thickness of the inner ring (2).

3. A bearing with a double seal assembly according to claim 2, characterized in that the extensions (12) are provided with a chamfer structure (120) on the outer side.

4. A bearing with a double seal assembly according to claim 2, characterized in that the gap between the extension (12) extending to the outer ring (1) side and the outer ring (1) is between 1mm and 2mm, and the gap between the extension (12) extending to the inner ring (2) side and the inner ring (2) is between 1mm and 2 mm.

5. A bearing with a double seal assembly according to claim 1, characterized in that the cross section of the inner ring block (111) is circular arc shaped.