阅读说明：本技术 一种多极磁性橡胶编码器与油封的复合结构 (Composite structure of multi-pole magnetic rubber encoder and oil seal ) 是由 吴守忠 于 2019-08-29 设计创作，主要内容包括：本发明提出了一种多极磁性橡胶编码器与油封的复合结构,包括多唇边油封和多极磁性橡胶编码器外盖,所述多唇边油封、多极磁性橡胶编码器外盖均为环形体,所述多唇边油封包括第一骨架和设置于第一骨架内圈的第一密封件,所述第一骨架的外圈与轴承外圈的口径紧密配合,所述多极磁性橡胶编码器外盖包括第二骨架和设置于第二骨架外壁的第二密封件,所述第一密封件靠近第二骨架的一侧设有若干个侧向唇,所述侧向唇与第二骨架相紧密配合。该油封组合结构加工简单,成型容易,具有强度好,密封效果极佳的特点。采用该结构将使轴承内的油脂不易外溢,外部重度污染物及灰尘难以侵入内部,大大提高了轴承在重度污染物环境中的使用寿命。(The invention provides a composite structure of a multi-pole magnetic rubber encoder and an oil seal, which comprises a multi-lip oil seal and a multi-pole magnetic rubber encoder outer cover, wherein the multi-lip oil seal and the multi-pole magnetic rubber encoder outer cover are all annular bodies, the multi-lip oil seal comprises a first framework and a first sealing element arranged at the inner ring of the first framework, the outer ring of the first framework is tightly matched with the caliber of the outer ring of a bearing, the multi-lip magnetic rubber encoder outer cover comprises a second framework and a second sealing element arranged at the outer wall of the second framework, a plurality of lateral lips are arranged on one side, close to the second framework, of the first sealing element, and the lateral lips are tightly matched with the second framework. The oil seal combined structure has the characteristics of simple processing, easy forming, good strength and excellent sealing effect. By adopting the structure, grease in the bearing is not easy to overflow, external severe pollutants and dust are difficult to invade the inside, and the service life of the bearing in the severe pollutant environment is greatly prolonged.)

1. The utility model provides a composite construction of multipolar magnetism rubber encoder and oil blanket which characterized in that: including many lips limit oil blanket (1) and multipolar magnetic rubber encoder enclosing cover (2), many lips limit oil blanket (1), multipolar magnetic rubber encoder enclosing cover (2) are the annular body, many lips limit oil blanket (1) include first skeleton (11) and set up in first sealing member (12) of first skeleton (11) inner circle, the outer lane of first skeleton (11) closely cooperates with the bore of bearing inner race, multipolar magnetic rubber encoder enclosing cover (2) include second skeleton (21) and set up in second sealing member (22) of second skeleton (21) outer wall, one side that first sealing member (12) are close to second skeleton (21) is equipped with a plurality of side direction lip, the side direction lip closely cooperates with second skeleton (21) mutually.

2. The composite structure of a multipolar magnetic rubber encoder and oil seal of claim 1, characterized in that: the outer ring of first skeleton (11) extends and has first hem (111) of buckling, the inner circle of first skeleton (11) is equipped with strengthens support skeleton (112), strengthen and support to link to each other through second hem (110) between skeleton (112) and first skeleton (11), the shape of second hem (110) is the conical surface, the big footpath end of second hem (110) links to each other with first skeleton (11), the path end of second hem (110) links to each other with strengthen support skeleton (112).

3. The composite structure of a multipolar magnetic rubber encoder and oil seal of claim 2, wherein: the number of lateral lips is three, including first sealing lip limit (121), first lateral long lip (122) that sets up opposite with first sealing lip limit (121) orientation, second lateral long lip (123) that set up with first lateral long lip (122) parallel, first sealing lip limit (121), first lateral long lip (122) set up in the inner circle of strengthening support skeleton (112) and are close to one side of first hem (111), second lateral long lip (123) set up in the outer lane of strengthening support skeleton (112) and are close to one side of first hem (111).

4. A composite structure of a multi-pole magnetic rubber encoder and oil seal as claimed in claim 3, wherein: the shape of second skeleton (21) is the L font, including radial skeleton (211) and axial skeleton (212), the lateral wall of first lateral long lip (122), second lateral long lip (123) and radial skeleton (211) closely cooperates, first sealing lip limit (121) closely cooperates with axial skeleton (212).

5. The composite structure of a multipolar magnetic rubber encoder and oil seal of claim 4, wherein: the second sealing element (22) is arranged on the side wall of the radial framework (211), a first rubber body (220) wrapped on the outer ring of the radial framework (211) extends from the outer diameter of the second sealing element (22), a second rubber body (124) wrapped on the first folding edge (111) extends from the outer ring of the first sealing element (12), and a third rubber body (120) wrapped on the end portion of the first folding edge (111) extends from the end portion of the second rubber body (124).

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of bearing accessories, in particular to a composite structure of a multi-pole magnetic rubber encoder and an oil seal.

[ background of the invention ]

The multipolar magnetic rubber encoder is a novel encoder integrating the magnetism of a solid magnet and the flexibility of rubber, and the product is mainly used in an anti-lock brake system of a carrying vehicle and is responsible for monitoring the rotating speed of wheels. The automobile hub bearing sealing element is integrated with an automobile hub bearing sealing element, so that the structure of a hub bearing is more compact, external muddy water can be prevented from entering the bearing, each instantaneous rotating speed signal of an automobile wheel is accurately provided for an anti-lock braking system of an automobile, an oil seal is a key part for normal operation of the bearing in a severe environment, the oil seal plays a role in protecting the bearing from erosion and pollution, and the composite structure of the multi-pole magnetic rubber encoder and the oil seal is provided.

[ summary of the invention ]

The invention aims to solve the problems in the prior art, provides a composite structure of a multi-pole magnetic rubber encoder and an oil seal, and can prolong the service life of a bearing in a severe pollutant environment.

In order to achieve the purpose, the invention provides a composite structure of a multi-lip magnetic rubber encoder and an oil seal, which comprises a multi-lip oil seal and a multi-lip magnetic rubber encoder outer cover, wherein the multi-lip oil seal and the multi-lip magnetic rubber encoder outer cover are annular bodies, the multi-lip oil seal comprises a first framework and a first sealing element arranged on an inner ring of the first framework, an outer ring of the first framework is tightly matched with a caliber of a bearing outer ring, the multi-lip magnetic rubber encoder outer cover comprises a second framework and a second sealing element arranged on an outer wall of the second framework, a plurality of lateral lips are arranged on one side, close to the second framework, of the first sealing element, and the lateral lips are tightly matched with the second framework.

Preferably, the outer ring of the first framework extends to form a bent first folded edge, the inner ring of the first framework is provided with a reinforced support framework, the reinforced support framework is connected with the first framework through a second folded edge, the second folded edge is in a conical surface shape, the large-diameter end of the second folded edge is connected with the first framework, and the small-diameter end of the second folded edge is connected with the reinforced support framework.

Preferably, the number of the lateral lips is three, and the lateral lips include a first sealing lip edge, a first lateral long lip and a second lateral long lip, wherein the first lateral long lip and the first lateral long lip are oppositely arranged in the direction of the first sealing lip edge, the second lateral long lip is arranged in parallel with the first lateral long lip, the first sealing lip edge and the first lateral long lip are arranged on one side, close to the first folded edge, of the inner ring of the reinforcing support framework, and the second lateral long lip is arranged on one side, close to the first folded edge, of the outer ring of the reinforcing support framework.

Preferably, the shape of second skeleton is the L font, including radial skeleton and axial skeleton, the lateral wall of first lateral long lip, second lateral long lip and radial skeleton closely cooperates, first sealing lip limit closely cooperates with axial skeleton.

Preferably, the second sealing element is arranged on the side wall of the radial skeleton, a first rubber body covering the outer ring of the radial skeleton extends from the outer diameter of the second sealing element, a second rubber body covering the first folded edge extends from the outer ring of the first sealing element, and a third rubber body covering the end part of the first folded edge extends from the end part of the second rubber body.

The invention has the beneficial effects that: the oil seal combined structure has the characteristics of simple processing, easy molding, good strength and excellent sealing effect. By adopting the structure, grease in the bearing is not easy to overflow, external severe pollutants and dust are difficult to invade the inside, and the service life of the bearing in the severe pollutant environment is greatly prolonged.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic cross-sectional view of a composite structure of a multi-polar magnetic rubber encoder and an oil seal according to the present invention;

FIG. 2 is a schematic cross-sectional view of a multi-lip oil seal of a composite structure of a multi-polar magnetic rubber encoder and an oil seal according to the present invention;

FIG. 3 is a cross-sectional view of the outer cover of the multi-pole magnetic rubber encoder with a composite structure of the multi-pole magnetic rubber encoder and the oil seal according to the present invention.

[ detailed description ] embodiments

Referring to fig. 1-3, the composite structure of the multi-pole magnetic rubber encoder and the oil seal comprises a multi-lip oil seal 1 and a multi-pole magnetic rubber encoder outer cover 2, wherein the multi-lip oil seal 1 and the multi-pole magnetic rubber encoder outer cover 2 are annular bodies, the multi-lip oil seal 1 comprises a first framework 11 and a first sealing element 12 arranged at an inner ring of the first framework 11, an outer ring of the first framework 11 is tightly matched with a caliber of a bearing outer ring, the multi-pole magnetic rubber encoder outer cover 2 comprises a second framework 21 and a second sealing element 22 arranged at an outer wall of the second framework 21, one side, close to the second framework 21, of the first sealing element 12 is provided with a plurality of lateral lips, and the lateral lips are tightly matched with the second framework 21. The outer ring of the first framework 11 extends to form a bent first folded edge 111, the inner ring of the first framework 11 is provided with a reinforced support framework 112, the reinforced support framework 112 is connected with the first framework 11 through a second folded edge 110, the second folded edge 110 is in a conical surface shape, the large-diameter end of the second folded edge 110 is connected with the first framework 11, and the small-diameter end of the second folded edge 110 is connected with the reinforced support framework 112. The number of lateral lips is three, including first sealing lip 121, the first lateral long lip 122 that sets up opposite with first sealing lip 121 orientation, the second lateral long lip 123 that sets up parallel with first lateral long lip 122, first sealing lip 121, first lateral long lip 122 set up in the inner circle of strengthening support skeleton 112 and are close to one side of first hem 111, second lateral long lip 123 sets up in the outer lane of strengthening support skeleton 112 and is close to one side of first hem 111. The shape of second skeleton 21 is the L font, including radial skeleton 211 and axial skeleton 212, the lateral wall of first lateral long lip 122, second lateral long lip 123 and radial skeleton 211 closely cooperates, first sealing lip 121 closely cooperates with axial skeleton 212. The second sealing element 22 is disposed on a side wall of the radial skeleton 211, a first rubber body 220 covering an outer ring of the radial skeleton 211 extends from an outer diameter of the second sealing element 22, a second rubber body 124 covering the first flange 111 extends from an outer ring of the first sealing element 12, and a third rubber body 120 covering an end of the first flange 111 extends from an end of the second rubber body 124.

The working process of the invention is as follows:

the first sealing lip edge 121 of the inner diameter of the multi-lip-edge oil seal 1 can prevent oil and fat in the bearing from overflowing through tight fit with the axial framework 212 of the multi-pole magnetic rubber encoder, and the clearance is smaller after the outer diameter of the second framework 21 is matched with the first folding edge 111 of the multi-lip-edge oil seal 1, so that the first sealing lip edge is a first defense line for effectively preventing liquid such as water and the like from entering the interior of the bearing; the outer diameter of the multi-lip oil seal 1 is tightly matched with the caliber of the bearing outer sleeve, so that bearing grease can be prevented from overflowing from the outer diameter sleeve under pressure. First lateral long lip 122, the radial skeleton 211 face of the long lip 123 of second lateral and multipolar magnetic rubber encoder enclosing cover closely cooperate, are that effectively block external foreign matter, the inside second of liquid entering bearing and say the line of defence, can have better effect to the bearing is waterproof.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.