CN207033999U - A kind of sealing type bearings - Google Patents
A kind of sealing type bearings Download PDFInfo
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- CN207033999U CN207033999U CN201720924915.0U CN201720924915U CN207033999U CN 207033999 U CN207033999 U CN 207033999U CN 201720924915 U CN201720924915 U CN 201720924915U CN 207033999 U CN207033999 U CN 207033999U
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- iron covering
- outer ring
- sealing
- groove
- type bearings
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Abstract
It the utility model is related to a kind of sealing type bearings, include outer ring, inner ring and several rolling elements, two groups of seal assemblies are additionally provided between outer ring and inner ring, seal assembly includes iron covering, rubber bodies, rubber bodies are coated on the iron covering side opposite with rolling element, rubber bodies are to being extended with sealing lip on the lateral surface of inner ring, sealing lip position is corresponded on the lateral surface of inner ring and is provided with inner groovy, sealing lip is contradicted in inner groovy, iron covering is to being extended with extruding plate on the medial surface of outer ring, extruding plate bending is set, extruding plate position is corresponded on the medial surface of outer ring and is provided with external groove, extruding plate is contradicted on the inwall of external groove, the iron covering side relative with rolling element is additionally provided with rubber blanket, sealing is formed between described rubber blanket and outer ring.Using above-mentioned technical proposal, the utility model provides a kind of sealing type bearings, and iron covering is not easy external groove, so that its good airproof performance, service life length.
Description
Technical field
Field of bearings is the utility model is related to, more particularly to a kind of sealing type bearings.
Background technology
A kind of existing sealing type bearings, include outer ring, inner ring, several rolling elements, also set between outer ring and inner ring
There are two groups of seal assemblies, rolling element is arranged between two groups of seal assemblies, and seal assembly includes iron covering, rubber bodies, rubber bodies
It is coated on the iron covering side opposite with rolling element, for rubber bodies to outer seal lip is extended with the medial surface of outer ring, rubber bodies are inside
Interior sealing lip is extended with the lateral surface of circle, outer seal lip position is corresponded on the medial surface of outer ring and is provided with external groove, inner ring it is outer
Interior sealing lip position is corresponded on side and is provided with inner groovy, described outer seal lip is contradicted in external groove, and interior sealing lip contradicts
In inner groovy.But the sealing type bearings of this structure, contradicted by outer seal lip and external groove inwall, it is easily disengaged, and is led
Cause sealing effectiveness poor.
The content of the invention
The purpose of this utility model：The defects of in order to overcome prior art, the utility model provide a kind of sealing profile shaft
Hold, iron covering is not easy external groove, so that its good airproof performance, service life length.
The technical solution of the utility model：A kind of sealing type bearings, include outer ring, inner ring and several rolling elements,
Two groups of seal assemblies are additionally provided between outer ring and inner ring, rolling element is arranged between two groups of seal assemblies, and seal assembly includes
Iron covering, rubber bodies, rubber bodies are coated on the iron covering side opposite with rolling element, and rubber bodies are close to being extended with the lateral surface of inner ring
Lip is sealed, sealing lip position is corresponded on the lateral surface of inner ring and is provided with inner groovy, sealing lip is contradicted in inner groovy, it is characterised in that：
Described iron covering is set to extruding plate, extruding plate bending is extended with the medial surface of outer ring, corresponding extruding on the medial surface of outer ring
Piece position is provided with external groove, and extruding plate is contradicted on the inwall of external groove, and the described iron covering side relative with rolling element is also set
There is rubber blanket, sealing is formed between described rubber blanket and outer ring.
Using above-mentioned technical proposal, contradicted by the extruding plate and the inwall of external groove that are bent on iron covering, extruding plate can be with
Utilize elastic force caused by itself so that the extruding force between iron covering and outer ring is big, it is not easy to comes off；Rubber blanket can prevent outer
Boundary's steam, dust etc. enter Bearing inner, good airproof performance between iron covering and outer ring.Therefore, the sealing type bearings of this structure,
Iron covering is not easy external groove, so that its good airproof performance, service life length.
It is of the present utility model further to set：Described iron covering is provided with several elongated slots, and elongated slot is put down with outer ring central shaft
Row is set.
Further set using above-mentioned, the elongated slot of setting can make it that the elastic deformability of iron covering is good, and iron covering is being installed
When be easily installed, extruding force is big after mounting, will not deviate from out of external groove.
It is of the present utility model further to set：Recess is provided with described external groove, described iron covering prolongs into recess
Stretching has boss, and described boss is placed in recess.
Further set using above-mentioned, by the way that boss to be caught in recess and can further prevent iron covering out of external groove
Abjection so that the positioning between iron covering and outer ring is more stable.
Setting further again of the present utility model：Described rubber blanket is fixed with iron covering through fixing glue.
Using above-mentioned setting further again, rubber blanket is directly fixed with iron covering using fixing glue, easy for installation, positioning
It is firm.
Setting further again of the present utility model：The iron covering side opposite with rolling element is provided with locating dowel, and described determines
Position post is provided with annular flange, and locating dowel position is corresponded in described rubber bodies and is provided with positioning hole, locating dowel is plugged in positioning hole
It is interior, annular flange position is corresponded in described positioning hole and is provided with annular positioning groove, described annular flange is placed in annular positioning groove
It is interior.
Using above-mentioned setting further again, because sealing lip needs directly to contradict to form sealing with inner groovy, thus
It is required that the installation site of sealing lip is more accurate, both can be by rubber by the way that annular flange is placed in annular positioning groove
Body is fixed on iron covering, can cause rubber bodies position registration when mounted again.
Setting further again of the present utility model：Described iron covering medial extremity hooks body, institute to curved be provided with rolling element direction
The corresponding body position that hooks is provided with groove in the rubber bodies stated, and described hook body is hooked and is located in groove.
Using above-mentioned setting further again, it is located in groove, further rubber bodies can be carried out by the way that body hook will be hooked
Positioning, ensures that rubber bodies will not fall off.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model specific embodiment；
Fig. 2 is I parts partial enlarged drawing in Fig. 1.
Embodiment
As shown in Figure 1, 2, a kind of sealing type bearings, include outer ring 1, inner ring 2 and several rolling elements 3, outer ring 1 with
Two groups of seal assemblies 4 are additionally provided between inner ring 2, rolling element 3 is arranged between two groups of seal assemblies 4, and seal assembly 4 includes iron
Lid 41, rubber bodies 42, rubber bodies 42 are coated on the side opposite with rolling element 3 of iron covering 41, lateral surface of the rubber bodies 42 to inner ring 2
On be extended with sealing lip 421, the position of sealing lip 421 is corresponded on the lateral surface of inner ring 2 and is provided with inner groovy 21, sealing lip 421 contradicts
In inner groovy 21, described iron covering 41 is set to extruding plate 411, the bending of extruding plate 411 is extended with the medial surface of outer ring 1,
The position of extruding plate 411 is corresponded on the medial surface of outer ring 1 and is provided with external groove 11, extruding plate 411 is contradicted on the inwall of external groove 11,
Described iron covering 41 side relative with rolling element 3 is additionally provided with rubber blanket 43, is formed between described rubber blanket 43 and outer ring 1 close
Envelope.Contradicted by the extruding plate 411 and the inwall of external groove 11 that are bent on iron covering 41, extruding plate 411, which can utilize, itself to be produced
Elastic force so that the extruding force between iron covering 41 and outer ring 1 is big, it is not easy to comes off；Rubber blanket 43 can prevent extraneous steam,
Dust etc. enters Bearing inner, good airproof performance between iron covering 41 and outer ring 1.Therefore, the sealing type bearings of this structure, iron covering
41 are not easy external groove 11, so that its good airproof performance, service life length.
In the utility model specific embodiment, described iron covering 41 is provided with several elongated slots 412, elongated slot 412 and outer ring 1
Central shaft be arranged in parallel.By the elongated slot 412 of setting can iron covering 41 elastic deformability it is good, iron covering 41 is when mounted
It is easily installed, extruding force is big after mounting, will not deviate from out of external groove 11.
It is provided with recess 111 in the utility model specific embodiment, in described external groove 11, described iron covering 41 is to recess
Boss 413 is extended with 111, described boss 413 is placed in recess 111.Can be with by the way that boss 413 is caught in recess 111
Further prevent iron covering 41 from deviating from out of external groove 11 so that the positioning between iron covering 41 and outer ring 1 is more stable.
In the utility model specific embodiment, described rubber blanket 43 is fixed with iron covering 41 through fixing glue.By rubber blanket 43
Directly fixed with iron covering 41 using fixing glue, easy for installation, positioning is firm；The side opposite with rolling element 3 of iron covering 41 is provided with fixed
Position post 414, described locating dowel 414 are provided with annular flange 415, and corresponding to the position of locating dowel 414 in described rubber bodies 42 sets
There is positioning hole 421, locating dowel 414 is plugged in positioning hole 421, and the position of annular flange 415 is corresponded in described positioning hole 421 and is set
There is annular positioning groove 422, described annular flange 415 is placed in annular positioning groove 422.Because sealing lip 421 needs and indent
Groove 21 directly contradicts formation sealing, thus it is required that the installation site of sealing lip 421 is more accurate, by by annular flange
It is placed in annular positioning groove, rubber bodies 42 can be both fixed on iron covering 41, the position when mounted of rubber bodies 42 can be caused again
Put registration.
In the utility model specific embodiment, the described medial extremity of iron covering 41 hooks body 416 to curved be provided with the direction of rolling element 3,
The corresponding position of body 416 that hooks is provided with groove 423 in described rubber bodies 42, and described hook body 416 is hooked and is located in groove 423, so
Further rubber bodies 42 can be positioned, ensure that rubber bodies 42 will not fall off.
Claims (6)
1. a kind of sealing type bearings, include outer ring, inner ring and several rolling elements, two groups are additionally provided between outer ring and inner ring
Seal assembly, rolling element are arranged between two groups of seal assemblies, and seal assembly includes iron covering, rubber bodies, and rubber bodies are coated on
The iron covering side opposite with rolling element, rubber bodies are corresponding on the lateral surface of inner ring to being extended with sealing lip on the lateral surface of inner ring
Sealing lip position is provided with inner groovy, and sealing lip is contradicted in inner groovy, it is characterised in that：Medial surface of the described iron covering to outer ring
On be extended with extruding plate, extruding plate bending is set, and corresponding to extruding plate position on the medial surface of outer ring is provided with external groove, and extruding plate supports
Touch on the inwall of external groove, the described iron covering side relative with rolling element is additionally provided with rubber blanket, described rubber blanket with it is outer
Sealing is formed between circle.
2. sealing type bearings according to claim 1, it is characterised in that：Described iron covering is provided with several elongated slots, long
Groove be arranged in parallel with outer ring central shaft.
3. sealing type bearings according to claim 1 or 2, it is characterised in that：Recess is provided with described external groove, it is described
Iron covering boss is extended with into recess, described boss is placed in recess.
4. sealing type bearings according to claim 3, it is characterised in that：Described rubber blanket is consolidated with iron covering through fixing glue
It is fixed.
5. sealing type bearings according to claim 4, it is characterised in that：The iron covering side opposite with rolling element is provided with positioning
Post, described locating dowel are provided with annular flange, and locating dowel position is corresponded in described rubber bodies and is provided with positioning hole, locating dowel is inserted
It is located in positioning hole, annular flange position is corresponded in described positioning hole and is provided with annular positioning groove, described annular flange is placed in
In annular positioning groove.
6. sealing type bearings according to claim 5, it is characterised in that：Described iron covering medial extremity is curved to rolling element direction
Provided with body is hooked, hook body position is corresponded in described rubber bodies and is provided with groove, described hook body is hooked and is located in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720924915.0U CN207033999U (en) | 2017-07-27 | 2017-07-27 | A kind of sealing type bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720924915.0U CN207033999U (en) | 2017-07-27 | 2017-07-27 | A kind of sealing type bearings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207033999U true CN207033999U (en) | 2018-02-23 |
Family
ID=61462201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720924915.0U Active CN207033999U (en) | 2017-07-27 | 2017-07-27 | A kind of sealing type bearings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207033999U (en) |
-
2017
- 2017-07-27 CN CN201720924915.0U patent/CN207033999U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 Wenzhou economic and Technological Development Zone, Wenzhou, Wenzhou, Zhejiang Province, No. 515, seashore Patentee after: C&U Co.,Ltd. Patentee after: SHANGHAI C&U GROUP Co.,Ltd. Patentee after: HANGZHOU BEARING GROUP Co.,Ltd. Patentee after: HANGZHOU C & U LARGE BEARING CO.,LTD. Address before: 325000 Wenzhou economic and Technological Development Zone, Wenzhou, Wenzhou, Zhejiang Province, No. 515, seashore Patentee before: C & U Group Ltd. Patentee before: SHANGHAI C&U GROUP Co.,Ltd. Patentee before: HANGZHOU BEARING GROUP Co.,Ltd. Patentee before: HANGZHOU C & U LARGE BEARING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |