CN214742752U - Waterproof bearing - Google Patents
Waterproof bearing Download PDFInfo
- Publication number
- CN214742752U CN214742752U CN202120813765.2U CN202120813765U CN214742752U CN 214742752 U CN214742752 U CN 214742752U CN 202120813765 U CN202120813765 U CN 202120813765U CN 214742752 U CN214742752 U CN 214742752U
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- Prior art keywords
- wall
- sealing
- ring
- waterproof
- bearing
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 93
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000007792 addition Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a waterproof bearing belongs to bearing technical field. It has solved current bearing leakproofness low, leads to the poor problem of water-proof effects. The waterproof bearing comprises an outer ring, an inner ring, steel balls, a retainer and two waterproof covers, wherein the two waterproof covers are respectively arranged on two sides of the bearing, a first sealing structure and a second sealing structure are respectively arranged between the waterproof covers and the outer ring and between the waterproof covers and the inner ring, and a first elastic clamping ring and a second elastic clamping ring which are elastic are respectively arranged on the inner end wall of each waterproof cover at positions corresponding to the outer ring and the inner ring. The utility model has the advantages of sealing performance is high, water-proof effects is good and life is high.
Description
Technical Field
The utility model belongs to the technical field of the bearing, a bearing, in particular to waterproof bearing is related to.
Background
The bearing is an important part in the modern mechanical equipment, and is mainly used for determining the relative movement position of a rotating shaft and other parts and plays a role in supporting or guiding.
Traditional bearing usually comprises outer lane, inner circle, steel ball and holder, but because some bearings are applied to the environment under water, do not produce the work influence to the steel ball in getting into the bearing for water, current bearing can set up the buckler between outer lane and inner circle, and all set up the sealing washer between buckler and outer lane and inner circle, but the sealing washer structure on current buckler both sides is single, sealing performance is low, water still enters into in the bearing easily and produces the work influence to the steel ball, influences the life of bearing.
Disclosure of Invention
The utility model aims at providing a sealed effectual waterproof bearing to the above-mentioned problem that exists among the prior art.
The purpose of the utility model can be realized by the following technical proposal: a waterproof bearing comprises an outer ring, an inner ring, steel balls, a retainer and two waterproof covers, wherein the two waterproof covers are respectively arranged on two sides of the bearing, the waterproof bearing is characterized in that a first sealing structure and a second sealing structure are respectively arranged between the waterproof cover and the outer ring and between the waterproof cover and the inner ring, a first elastic clamping ring and a second elastic clamping ring are respectively arranged on the inner end wall of the waterproof cover at positions corresponding to the outer ring and the inner ring, the outer ring is provided with a first annular extending groove for the first elastic clamping ring to extend into, the inner ring is provided with a second annular extending groove for the second elastic clamping ring to extend into, the first elastic clamping ring and the second elastic clamping ring are respectively provided with a barb part capable of realizing elastic deformation, the first sealing structure is hermetically embedded on the barb part of the first elastic clamping ring, and the second sealing structure is hermetically embedded on the barb part of the second elastic clamping ring, the outer wall of the first sealing structure is tightly attached to the groove wall of the annular extending groove I and used for preventing water from entering the bearing, and the outer wall of the second sealing structure is tightly attached to the groove wall of the annular extending groove II and used for preventing water from entering the bearing.
In the waterproof bearing, the first sealing structure and the second sealing structure are both composed of a sealing body, a sealing upper lip and a sealing lower lip.
In the waterproof bearing, the lower sealing lip of the first sealing structure is hermetically embedded in the barb part of the first elastic clamping ring, the inner wall of the upper sealing lip of the first sealing structure is closely attached to the outer wall of the barb part, and the outer wall of the upper sealing lip is hermetically attached to the top wall of the first annular extending groove.
In the waterproof bearing, the inner end part of the upper sealing lip of the first sealing structure is an arc-shaped surface and is abutted against the wall of the annular extending groove I to form the sealing contact A.
In the waterproof bearing, the inner wall of the waterproof cover is provided with the sealing parts which extend and protrude towards the direction of the steel balls at the positions between the outer ring and the inner ring, and the outer wall and the inner wall of the sealing parts are respectively attached to the inner wall of the outer ring and the outer wall of the inner ring.
In the waterproof bearing, a first waterproof layer is arranged between the outer wall of the sealing part and the inner wall of the outer ring, and a second waterproof layer is arranged between the inner wall of the sealing part and the outer wall of the inner ring.
Compared with the prior art, the waterproof bearing has the advantages of high sealing performance, good waterproof effect and long service life.
Drawings
Fig. 1 is a schematic view of a part of a sectional structure of the waterproof bearing.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure, 1, outer ring; 2. an inner ring; 3. steel balls; 4. a holder; 5. a waterproof cover; 6. an elastic clamping ring I; 7. a second elastic clamping ring; 8. a barb portion; 9. a seal body; 10. sealing the upper lip; 11. sealing the lower lip; 12. and a sealing part.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the waterproof bearing comprises an outer ring 1, an inner ring 2, steel balls 3, a retainer 4 and two waterproof covers 5, wherein the two waterproof covers 5 are respectively arranged at two sides of the bearing, a first sealing structure and a second sealing structure are respectively arranged between the waterproof cover 5 and the outer ring 1 and the inner ring 2, an elastic clamping ring I6 and an elastic clamping ring II 7 are respectively arranged on the inner end wall of the waterproof cover 5 at positions corresponding to the outer ring 1 and the inner ring 2, the outer ring 1 is provided with a first annular extending groove for the elastic clamping ring I6 to extend into, the inner ring 2 is provided with a second annular extending groove for the elastic clamping ring II 7 to extend into, the first elastic clamping ring 6 and the second elastic clamping ring 7 are respectively provided with a barb part 8 capable of realizing elastic deformation, the first sealing structure is hermetically embedded on the barb part 8 of the first elastic clamping ring 6, the second sealing structure is hermetically embedded on the barb part 8 of the second elastic clamping ring 7, the outer wall of the first sealing structure is tightly attached to the groove wall of the first annular extending groove and used for preventing water from entering the bearing, and the outer wall of the second sealing structure is tightly attached to the groove wall of the second annular extending groove and used for preventing water from entering the bearing.
Preferably, the first sealing structure and the second sealing structure are both composed of a sealing body 9, a sealing upper lip 10 and a sealing lower lip 11.
Preferably, the lower sealing lip 11 of the first sealing structure is hermetically embedded in the barb part 8 of the first elastic clamping ring 6, the inner wall of the upper sealing lip 10 of the first sealing structure is tightly attached to the outer wall of the barb part 8, and the outer wall of the upper sealing lip 10 is hermetically attached to the top wall of the first annular extending groove.
The inner end part of a sealing upper lip 10 of the sealing structure I is an arc-shaped surface and is abutted against the wall of the annular extending groove I to form a sealing contact A; similarly, the upper sealing lip 10 of the second sealing structure is abutted against the groove wall of the annular extending groove II to form a sealing contact B.
The seal body 9, the seal upper lip 10 and the seal lower lip 11 in the second seal structure are the same as the seal body 9, the seal upper lip 10 and the seal lower lip 11 in the first seal structure, and the principle is the same, so repeated description is omitted here.
The barb parts 8 on the first elastic clamping ring 6 and the second elastic clamping ring 7 are used for sealing, embedding and installing the lower sealing lip 11, the upper sealing lip 10 is positioned outside the barb parts 8, due to the elastic effect of the barb parts 8, when the first elastic clamping ring 6 and the second elastic clamping ring 7 are installed in the first annular extending groove and the second annular extending groove, the barb parts 8 are pressed in the upper sealing lip 10, the barb parts 8 are elastically deformed, after the first elastic clamping ring 6 and the second elastic clamping ring 7 completely enter the first annular extending groove and the second annular extending groove, the barb parts 8 are stable and do not deform any more, and an outward supporting and pressing force is generated on the upper sealing lip 10, so that the outer wall of the upper sealing lip 10 is tightly attached to the groove walls of the first annular extending groove and the second annular extending groove to achieve the effect of good sealing effect, in addition, the front wall of the upper sealing lip 10 is abutted to the groove walls of the first elastic clamping ring 6 and the second elastic clamping ring 7, the sealing effect is produced again by the sealing contact a and the sealing contact B, preventing water from entering the bearing.
Preferably, the inner wall of the waterproof cover 5 is provided with a sealing portion 12 extending and protruding towards the steel ball 3 at a position between the outer ring 1 and the inner ring 2, and the outer wall and the inner wall of the sealing portion 12 are respectively attached to the inner wall of the outer ring 1 and the outer wall of the inner ring 2.
In more detail, a first waterproof layer is arranged between the outer wall of the sealing part 12 and the inner wall of the outer ring 1, a second waterproof layer is arranged between the inner wall of the sealing part 12 and the outer wall of the inner ring 2, and the first waterproof layer and the second waterproof layer have double waterproof effects and further prevent water from entering the bearing.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A waterproof bearing comprises an outer ring (1), two inner rings (2), steel balls (3), a retainer (4) and two waterproof covers (5), wherein the two waterproof covers (5) are respectively arranged on two sides of the bearing and are characterized in that a first sealing structure and a second sealing structure are respectively arranged between the waterproof covers (5) and the outer ring (1) and the inner ring (2), an elastic first clamping ring (6) and an elastic second clamping ring (7) are respectively arranged on the inner end wall of each waterproof cover (5) corresponding to the outer ring (1) and the inner ring (2), the outer ring (1) is provided with a first annular extending groove into which the first elastic clamping ring (6) extends, the inner ring (2) is provided with a second annular extending groove into which the second elastic clamping ring (7) extends, and the first elastic clamping ring (6) and the second elastic clamping ring (7) are respectively provided with a barb part (8) capable of realizing elastic deformation, the first sealing structure is hermetically embedded on the barb part (8) of the first elastic clamping ring (6), the second sealing structure is hermetically embedded on the barb part (8) of the second elastic clamping ring (7), the outer wall of the first sealing structure is tightly attached to the groove wall of the first annular extending groove and used for preventing water from entering the bearing, and the outer wall of the second sealing structure is tightly attached to the groove wall of the second annular extending groove and used for preventing water from entering the bearing.
2. The waterproof bearing according to claim 1, wherein the first sealing structure and the second sealing structure are both composed of a sealing body (9), a sealing upper lip (10) and a sealing lower lip (11).
3. The waterproof bearing of claim 2, wherein the lower sealing lip (11) of the first sealing structure is hermetically embedded in the barb part (8) of the first elastic clamping ring (6), the inner wall of the upper sealing lip (10) of the first sealing structure is tightly attached to the outer wall of the barb part (8), and the outer wall of the upper sealing lip (10) is hermetically attached to the top wall of the first annular extending groove.
4. A water-proof bearing according to claim 3, characterized in that the inner end part of the sealing upper lip (10) of the first sealing structure is an arc-shaped surface and abuts against the wall of the groove annularly extending into the first groove to form the sealing contact point a.
5. The waterproof bearing according to claim 1, wherein the waterproof cover (5) has a sealing portion (12) extending and protruding towards the steel ball (3) on the inner wall between the outer ring (1) and the inner ring (2), and the outer wall and the inner wall of the sealing portion (12) are respectively attached to the inner wall of the outer ring (1) and the outer wall of the inner ring (2).
6. A watertight bearing according to claim 5, characterized in that a watertight first layer is arranged between the outer wall of the sealing portion (12) and the inner wall of the outer ring (1), and a watertight second layer is arranged between the inner wall of the sealing portion (12) and the outer wall of the inner ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120813765.2U CN214742752U (en) | 2021-04-20 | 2021-04-20 | Waterproof bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120813765.2U CN214742752U (en) | 2021-04-20 | 2021-04-20 | Waterproof bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214742752U true CN214742752U (en) | 2021-11-16 |
Family
ID=78611509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120813765.2U Expired - Fee Related CN214742752U (en) | 2021-04-20 | 2021-04-20 | Waterproof bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214742752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215846A (en) * | 2021-12-24 | 2022-03-22 | 中山市盈科轴承制造有限公司 | Bearing retainer ring riveting structure |
-
2021
- 2021-04-20 CN CN202120813765.2U patent/CN214742752U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215846A (en) * | 2021-12-24 | 2022-03-22 | 中山市盈科轴承制造有限公司 | Bearing retainer ring riveting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |