CN211039402U - Sealed suspension bearing of retainer - Google Patents
Sealed suspension bearing of retainer Download PDFInfo
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- CN211039402U CN211039402U CN201921954180.1U CN201921954180U CN211039402U CN 211039402 U CN211039402 U CN 211039402U CN 201921954180 U CN201921954180 U CN 201921954180U CN 211039402 U CN211039402 U CN 211039402U
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Abstract
The utility model provides a novel and a bearing is hung to holder sealed, including upper cover, bearing body and lower cover, the bearing body includes that interior wheel, cover establish the foreign steamer on interior wheel and lie in the spin between interior wheel and the foreign steamer, and the lower extreme of foreign steamer is equipped with the support and is in the enstrophe of spin downside becomes, and the upper end of interior wheel is equipped with presses the flanging of spin upside still is equipped with the bearing holder between inner circle and the outer lane, and the foreign steamer seals and supports and is in on the lower cover, be equipped with on the bearing holder along being used for of bearing body circumference extension prevent the object warp the upper end of foreign steamer with turn up the inside sealing washer along the circumference extension of bearing body of opening entering bearing body between going up. The utility model has the advantages of can not increase the assembly step of bearing when the opening that forms between the upper end of sealed foreign steamer and the flanging, can lead to the problem that the assembly step increases when having solved current suspension bearing and having sealed the opening that forms between the upper end of sealed foreign steamer of pressure equipment and the flanging.
Description
Technical Field
The utility model relates to a bearing especially relates to a holder sealed suspension bearing.
Background
Bearings ("bearings", japan "axle bearings") are components that act to fix and reduce the coefficient of friction of loads during mechanical transmission. It can also be said that the member for reducing the friction coefficient during power transmission and keeping the center position of the shaft fixed when the other members are moved relative to each other on the shaft. The bearing is a lightweight part in modern mechanical equipment. Its main function is to support the mechanical rotating body to reduce the friction coefficient of mechanical load of equipment in the transmission process. One of the bearings is used for suspension and rotation of the suspended object, and is called a suspension bearing. The partial structure of suspension bearing is for including the upper cover that sets gradually from the top down, bearing body and lower cover, the axis of bearing body extends along upper and lower direction, the bearing body includes interior wheel 9 (being equivalent to the bearing inner circle of non-suspension bearing), the cover is established the foreign steamer (being equivalent to the outer lane of the bearing of non-suspension usefulness) on interior wheel and is located interior wheel and the spin between the foreign steamer, the lower extreme of foreign steamer is equipped with the inside flange that supports at the spin downside, the upper end of interior wheel is equipped with presses down the flanging at the spin upside, still be equipped with the bearing holder between inner circle and the outer lane. In order to prevent an object from entering the interior of the bearing body through an opening formed between the upper end of the outer wheel and the flanging during use, the existing method is to arrange a sealing gasket between the upper cover and the lower cover for sealing, and at the moment, a step of assembling the sealing gasket is required to be added in the assembling process of the bearing, so that the process steps are increased during assembling.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can not increase the holder sealed suspension bearing of the assembly step of bearing when the opening that forms between the upper end of sealed foreign steamer and the flanging, can lead to the problem that the assembly step increases when having solved current suspension bearing and having sealed the opening that forms between the upper end of sealed foreign steamer of pressure equipment and the flanging.
The technical problem is solved by the following technical scheme: a retainer sealed suspension bearing comprises an upper cover, a bearing body and a lower cover which are arranged from top to bottom in sequence, the axis of the bearing body extends along the up-down direction, the bearing body comprises an inner wheel, an outer wheel sleeved on the inner wheel and a rolling ball positioned between the inner wheel and the outer wheel, the lower end of the outer wheel is provided with an inner flanging which is supported at the lower side of the rolling ball, the upper end of the inner wheel is provided with an outer flanging which is pressed at the upper side of the rolling ball, a bearing retainer is arranged between the inner wheel and the outer wheel, the outer wheel is supported on the lower cover in a sealing mode, a sealing ring which extends along the circumferential direction of the bearing body and is used for preventing an object from entering the inside of the bearing body through an opening formed between the upper end of the outer wheel and the flanging and extends along the circumferential direction of the bearing body is arranged on the bearing retainer, and the sealing ring and the bearing retainer are connected together through a connecting frame. The sealing ring is arranged on the retainer for sealing, so that an object is prevented from entering the interior of the bearing body through an opening formed between the upper end of the outer wheel and the outer flanging, an independent sealing ring assembling process step is not needed, and the bearing is sealed together after being assembled. The sealing ring is connected to the retainer through the connecting frame, so that the connection reliability is good. The idea of independent sealing of the existing outsourcing sealing ring is changed, sealing is realized by changing the structure of the retainer, and the structure is novel.
Preferably, the upper cover is provided with an upper cover annular extension portion located on the radial outer side of the inner wheel and extending along the circumferential direction of the bearing body, one end of the sealing ring is in sealing contact with the upper cover annular extension portion, the other end of the sealing ring is in sealing contact with the outer wheel, and the sealing ring is located above the rolling ball.
Preferably, the connection frame is connected to a lower end of the sealing ring. The structure enables the upper cover to extrude the sealing ring, and the extrusion effect can be firstly transferred to the sealing ring to seal with the outer wheel, so that the sealing reliability is improved.
Preferably, the upper cover is provided with an upper cover annular extension portion located on the radial outer side of the inner wheel and extending along the circumferential direction of the bearing body, the lower cover is provided with a lower cover annular extension portion located on the radial outer side of the outer wheel and extending along the circumferential direction of the bearing body, one end of the sealing ring is in sealing contact with the upper cover annular extension portion, the other end of the sealing ring is in sealing contact with the lower cover annular extension portion, and the sealing ring is located above the rolling ball.
Preferably, the connection frame is connected to an upper end of the sealing ring. The structure is compact and good.
Preferably, the lower cover is provided with a lower ring surrounding the periphery of the bearing body, the upper cover is provided with an upper ring surrounding the periphery of the bearing body, the upper ring is sleeved on the lower ring, the lower ring and the upper ring are in clearance fit, and the lower ring forms the annular extension part of the lower cover part. The function of delaying the object to reach the sealing ring can be achieved, and therefore the reliability of preventing the object from entering the bearing body is better.
Preferably, the lower ring is provided with a lower ring small diameter section and a lower ring large diameter section from top to bottom in sequence, a lower ring step located on the outer peripheral surface of the lower ring is formed between the lower ring small diameter section and the lower ring large diameter section, the upper ring is provided with a connecting ring, an upper ring small diameter section sleeved on the lower ring small diameter section and an upper ring large diameter section sleeved on the lower ring large diameter section from top to bottom in sequence, an upper ring step located on the inner peripheral surface of the upper ring is formed between the upper ring small diameter section and the upper ring large diameter section, and the downward projection of the upper ring step is overlapped with the lower ring step. The effect of delaying the object to reach the sealing ring can be further improved.
Preferably, the lower cover is provided with a lower ring surrounding the periphery of the bearing body, the upper cover is provided with an upper ring surrounding the periphery of the bearing body, the upper ring is sleeved on the lower ring, and the lower ring and the upper ring are in clearance fit.
Preferably, the lower ring is provided with a lower ring small diameter section and a lower ring large diameter section from top to bottom in sequence, a lower ring step located on the outer peripheral surface of the lower ring is formed between the lower ring small diameter section and the lower ring large diameter section, the upper ring is provided with a connecting ring, an upper ring small diameter section sleeved on the lower ring small diameter section and an upper ring large diameter section sleeved on the lower ring large diameter section from top to bottom in sequence, an upper ring step located on the inner peripheral surface of the upper ring is formed between the upper ring small diameter section and the upper ring large diameter section, and the downward projection of the upper ring step is overlapped with the lower ring step.
Preferably, the outer ring and the inner peripheral surface of the lower ring are in sealing contact with each other. The sealing effect can be improved.
Preferably, the seal ring is in sealing contact with an upper end surface of the lower ring. The sealing reliability is good.
The utility model has the advantages of that: the structure of the retainer is changed, so that the retainer is provided with the sealing ring, and the step of assembling the sealing ring is not required to be added when sealing is realized; the sealing ring is connected with the retainer, so that the sealing ring is not easy to fall off and has good sealing reliability.
Drawings
Fig. 1 is a schematic view of a first embodiment of the present invention.
Fig. 2 is a schematic diagram of a second embodiment of the present invention.
In the figure: the bearing comprises an upper cover 1, a lower cover 2, an inner wheel 3, an outer wheel 4, a rolling ball 5, a bearing retainer 6, a connecting frame 7, a sealing ring 8, a lower ring 9, a lower ring small-diameter section 10, a lower ring large-diameter section 11, a lower ring step 12, an upper cover annular extension 13, an upper ring 14, a connecting ring 15, an upper ring small-diameter section 16, an upper ring large-diameter section 17, an upper ring step 18, an inner flanging 19 and an outer flanging 20.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
In the first embodiment, referring to fig. 1, a holder sealing type suspension bearing comprises an upper cover 1, a bearing body and a lower cover 2 which are arranged in sequence from top to bottom. The axis of the bearing body extends in the up-down direction. The bearing body comprises an inner wheel 3, an outer wheel 4 sleeved on the inner wheel and a rolling ball 5 positioned between the inner wheel and the outer wheel. A bearing retainer 6 is also provided between the inner wheel and the outer wheel. The bearing retainer is connected with a sealing ring 8 through a connecting frame 7. The sealing ring, the connecting frame and the bearing retainer are integrally formed together and can be welded together. The sealing ring is positioned above the rolling ball. The lower cover is provided with a lower ring 9 surrounding the periphery of the bearing body. The seal ring extends along the circumference of the bearing body. The lower ring forms a lower cover annular extension. The lower ring is provided with a lower ring part small diameter section 10 and a lower ring part large diameter section 11 from top to bottom in sequence, and a lower ring part step 12 located on the outer peripheral surface of the lower ring is formed between the lower ring part small diameter section and the lower ring part large diameter section. The upper cover is provided with an upper cover annular extension 13 located radially outward of the inner wheel and extending circumferentially of the bearing body. The upper cover portion annular extension is provided with an upper ring 14 which surrounds the periphery of the bearing body. The upper ring is sleeved on the lower ring. The lower ring and the upper ring are in clearance fit. The upper ring is sequentially provided with a connecting ring 15, an upper ring small-diameter section 16 sleeved on the lower ring small-diameter section and an upper ring large-diameter section 17 sleeved on the lower ring large-diameter section from top to bottom. An upper ring step 18 is formed on the inner peripheral surface of the upper ring between the small diameter section of the upper ring and the large diameter section of the upper ring. The downward projection of the upper ring part step is overlapped with the lower ring part step. The lower end of the outer wheel is provided with an inward flange 19 which is supported on the underside of the ball. The inner flanging is connected with the lower cover in a sealing and abutting mode. The outer wheel and the inner circumferential surface of the lower ring are in sealing contact with each other. The upper end of the inner wheel is provided with an outward flange 20 which is pressed on the upper side of the rolling ball. The outward flanging and the upper cover are connected together in a sealing and abutting mode. The upper end of one end of the sealing ring is in sealing butt joint with the annular extension part of the upper cover part, and the lower end of the sealing ring is in sealing butt joint with the outer wheel. The lower extreme at the sealing washer is connected to the link. When the bearing is used, under the action of the sealing ring, an object cannot enter the inside of the bearing body through an opening formed between the upper end of the outer wheel and the flanging.
The second embodiment is different from the first embodiment in that:
referring to fig. 2, the upper end of the sealing ring is in sealing contact with the annular extension of the upper cover portion, and the lower end of the sealing ring is in sealing contact with the annular extension of the lower cover portion, specifically, the upper end surface of the lower ring. The connecting frame is connected at the upper end of the sealing ring.
Claims (10)
1. A retainer sealed suspension bearing comprises an upper cover, a bearing body and a lower cover which are arranged from top to bottom in sequence, the axis of the bearing body extends along the up-down direction, the bearing body comprises an inner wheel, an outer wheel sleeved on the inner wheel and a rolling ball positioned between the inner wheel and the outer wheel, the lower end of the outer wheel is provided with an inner flanging which is supported at the lower side of the rolling ball, the upper end of the inner wheel is provided with an outer flanging which is pressed at the upper side of the rolling ball, a bearing retainer is arranged between the inner wheel and the outer wheel, the outer wheel is supported on the lower cover in a sealing mode, a sealing ring which extends along the circumferential direction of the bearing body and is used for preventing an object from entering the inside of the bearing body through an opening formed between the upper end of the outer wheel and the flanging and extends along the circumferential direction of the bearing body is arranged on the bearing retainer, and the sealing ring and the bearing retainer are connected together through a connecting frame.
2. The cage-sealed suspension bearing of claim 1 wherein said upper cap has an annular extension of the upper cap portion extending circumferentially of the bearing body radially outwardly of the inner wheel, said seal having one end in sealing abutment with said annular extension of the upper cap portion and the other end in sealing abutment with said outer wheel, said seal being located above said balls.
3. A cage-sealed suspension bearing according to claim 2, characterized in that said connecting frame is connected to the lower end of said sealing ring.
4. The holder-sealed suspension bearing according to claim 1, wherein said upper cover is provided with an upper cover annular extension portion extending circumferentially of said bearing body on a radially outer side of said inner ring, said lower cover is provided with a lower cover annular extension portion extending circumferentially of said bearing body on a radially outer side of said outer ring, one end of said seal ring is in sealing abutment with said upper cover annular extension portion, the other end is in sealing abutment with said lower cover annular extension portion, and said seal ring is positioned above said ball.
5. A cage-sealed suspension bearing according to claim 4, characterized in that said connecting frame is connected to the upper end of said sealing ring.
6. A cage-sealed suspension bearing according to claim 4 or 5, characterized in that said lower cover is provided with a lower ring surrounding the periphery of the bearing body, said upper cover is provided with an upper ring surrounding the periphery of the bearing body, said upper ring is fitted over said lower ring, said lower ring and upper ring are in a clearance fit, said lower ring constitutes said lower cover annular extension.
7. The holder-sealed suspension bearing according to claim 6, wherein the lower ring has a lower ring small diameter section and a lower ring large diameter section in sequence from top to bottom, a lower ring step located on the outer peripheral surface of the lower ring is formed between the lower ring small diameter section and the lower ring large diameter section, the upper ring has a connecting ring, an upper ring small diameter section sleeved on the lower ring small diameter section, and an upper ring large diameter section sleeved on the lower ring large diameter section in sequence from top to bottom, an upper ring step located on the inner peripheral surface of the upper ring is formed between the upper ring small diameter section and the upper ring large diameter section, and the downward projection of the upper ring step overlaps with the lower ring step.
8. A cage-sealed suspension bearing according to claim 6, characterized in that said sealing ring is sealed against the upper end face of said upper ring.
9. A cage-sealed suspension bearing according to claim 1, 2 or 3, wherein said lower cover is provided with a lower ring surrounding the periphery of the bearing body, said upper cover is provided with an upper ring surrounding the periphery of the bearing body, said upper ring is fitted over said lower ring, and said lower ring and upper ring are in a surrounding clearance fit.
10. The holder-sealed suspension bearing according to claim 8, wherein the lower ring has a lower ring small diameter section and a lower ring large diameter section in sequence from top to bottom, a lower ring step located on the outer peripheral surface of the lower ring is formed between the lower ring small diameter section and the lower ring large diameter section, the upper ring has a connecting ring, an upper ring small diameter section sleeved on the lower ring small diameter section, and an upper ring large diameter section sleeved on the lower ring large diameter section in sequence from top to bottom, an upper ring step located on the inner peripheral surface of the upper ring is formed between the upper ring small diameter section and the upper ring large diameter section, and a downward projection of the upper ring step overlaps with the lower ring step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921954180.1U CN211039402U (en) | 2019-11-13 | 2019-11-13 | Sealed suspension bearing of retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921954180.1U CN211039402U (en) | 2019-11-13 | 2019-11-13 | Sealed suspension bearing of retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039402U true CN211039402U (en) | 2020-07-17 |
Family
ID=71564713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921954180.1U Active CN211039402U (en) | 2019-11-13 | 2019-11-13 | Sealed suspension bearing of retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039402U (en) |
-
2019
- 2019-11-13 CN CN201921954180.1U patent/CN211039402U/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: Room 204, building 1, No. 1313, Huanbei 2nd Road, Pinghu Economic and Technological Development Zone, Jiaxing City, Zhejiang Province, 314200 Patentee after: Zhejiang Ouzhi Automobile Technology Co.,Ltd. Address before: Room 204, building 1, No. 1313, Huanbei 2nd Road, Pinghu Economic and Technological Development Zone, Jiaxing City, Zhejiang Province, 314200 Patentee before: Jiaxing Ouzhi Automobile Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220412 Address after: 314200 Building 1 and building 4, No. 2223, Yongxing Road, Pinghu Economic Development Zone, Jiaxing City, Zhejiang Province Patentee after: ZHEJIANG HONGLI AUTO PARTS GROUP Co.,Ltd. Address before: Room 204, building 1, No. 1313, Huanbei 2nd Road, Pinghu Economic and Technological Development Zone, Jiaxing City, Zhejiang Province, 314200 Patentee before: Zhejiang Ouzhi Automobile Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |