CN211449382U - Heat dissipation circulation bearing of microwave oven - Google Patents
Heat dissipation circulation bearing of microwave oven Download PDFInfo
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- CN211449382U CN211449382U CN201921229090.6U CN201921229090U CN211449382U CN 211449382 U CN211449382 U CN 211449382U CN 201921229090 U CN201921229090 U CN 201921229090U CN 211449382 U CN211449382 U CN 211449382U
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Abstract
The utility model provides a microwave oven heat dissipation circulation bearing belongs to bearing trade technical field. The device comprises an outer ring, an inner ring, a rolling body, a retainer, a sealing element and a dust cover; a rolling body is arranged between the outer ring and the inner ring, the rolling body is spherical, is uniformly distributed between the outer ring and the inner ring, is fixed by a retainer, and is filled with lubricating grease; is characterized in that: a sealing groove is formed in the outer circle of the outer ring, and the sealing element is pressed into the sealing groove of the outer ring; the inner ring is provided with a dustproof groove, the dustproof cover is pressed into the ring dustproof groove of the inner ring, and the inner ring dustproof groove is a step groove. The utility model has simple and compact structure, and can make the bearing resist high temperature; due to the adoption of the FKM material sealing element, the dustproof effect is good; the dustproof cover structure can increase the heat dissipation performance of the bearing, can reduce the expansion coefficient under the high-temperature condition, and can meet the working principle of the heat dissipation bearing of the microwave oven.
Description
Technical Field
The utility model provides a microwave oven heat dissipation circulation bearing belongs to bearing trade technical field.
Background
The heat dissipating bearing for microwave oven consists of mainly outer ring, inner ring, rolling body, retainer, sealing part, dust cover, grease, etc. The rolling bodies are arranged between the outer ring and the inner ring, are spherical and are uniformly distributed between the outer ring and the inner ring, and are fixed by a retainer. The bearing with the structure can not resist high temperature and has poor dustproof effect, and the working principle of the radiating bearing of the microwave oven can not be met.
Disclosure of Invention
The utility model aims to overcome bearing life under the high temperature condition, dustproof effect weak point according to microwave oven heat dissipation circulation system demand, provides a microwave oven heat dissipation circulation bearing, can be high temperature resistant, and is dustproof effectual, and the expansion coefficient reduces under the high temperature condition, and can satisfy microwave oven heat dissipation bearing theory of operation.
According to the technical scheme provided by the utility model, the heat dissipation circulating bearing of the microwave oven comprises an outer ring, an inner ring, a rolling body, a retainer, a sealing element and a dust cover; a rolling body is arranged between the outer ring and the inner ring, the rolling body is spherical, is uniformly distributed between the outer ring and the inner ring, is fixed by a retainer, and is filled with lubricating grease; the method is characterized in that: a sealing groove is formed in the outer circle of the outer ring, and the sealing element is pressed into the sealing groove of the outer ring; the inner ring is provided with a dustproof groove, the dustproof cover is pressed into the ring dustproof groove of the inner ring, and the inner ring dustproof groove is a step groove.
As a further improvement of the utility model, the sealing element is made of FKM material.
As a further improvement of the present invention, the grease is 240AC grease.
As a further improvement of the utility model, the outer diameter of the outer ring 1 is phi 16mm, the inner diameter is phi 12.6mm, the curvature of the groove is R1.58mm, and the width is 5 mm.
As a further improvement of the utility model, the inner diameter of the inner ring 2 is phi 5mm, the outer diameter is phi 8.514mm, and the width is 5 mm.
As a further improvement of the utility model, the diameter size of the rolling body is phi 2.778mm, and the quantity is 7 uniform distributions.
As a further improvement of the utility model, the outer diameter of the retainer 4 is phi 11.6mm, and the inner diameter is phi 9.2 mm.
As a further improvement of the utility model, the outer diameter of the sealing element is phi 13.75mm, and the inner diameter is phi 8.9 mm.
As a further improvement of the utility model, the outer diameter of the dust cover is phi 13.4mm, and the inner diameter is phi 8.02 mm.
Compared with the prior art, the utility model has the following advantages
The utility model has simple and compact structure, and can make the bearing resist high temperature due to the high temperature tempering heat treatment; due to the adoption of the FKM material sealing element, the dustproof effect is good, and the sealing element is high-temperature resistant; due to the fact that the dustproof cover structure is adopted, the heat dissipation performance of the bearing can be improved, and the outer circle of the outer ring is provided with the groove to well fix the bearing in an assembling and locking mode. The expansion coefficient can be reduced under the condition of high temperature, and the working principle of the microwave oven radiating bearing can be met.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: 1-outer ring, 2-inner ring, 3-rolling body, 4-retainer, 5-sealing element, 6-dust cap, 7-sealing groove and 8-dust groove.
Detailed Description
The invention will be further described with reference to the embodiments shown in the drawings to which:
as shown in fig. 1, the rolling bearing includes an outer ring 1, an inner ring 2, rolling elements 3, a cage 4, a seal 5, and a dust cap 6. The utility model discloses an installation rolling element 3 between outer lane 1 and inner circle 2, rolling element 3 adopt the ball-type, and evenly distributed is fixed with a holder 4 between outer lane 1 and inner circle 2, lean on rolling element 3 to be connected between outer lane 1 and the inner circle 2, holder 4 makes 3 even parts of rolling element, pours into lubricating grease into, and lubricating grease is 240AC grease.
The utility model discloses seted up the seal groove on the excircle of outer lane 1, sealing member 5 impresses in the seal groove of outer lane 1, and sealing member 5 adopts the FKM material. The outer ring 1 needs to be grooved so that the expansion of the bearing is reduced under the high-temperature condition, and the working principle of the microwave oven heat dissipation bearing can be met. The outer circle of the outer ring is provided with a groove, so that the bearing can be well fixed during assembly and locking.
The utility model discloses inner circle 2 on be equipped with the dust groove, the ring dust groove of inner circle 2 is impressed to shield 6. The inner ring dustproof groove is a step groove.
Outer lane 1 and inner circle 2 all need 300 degrees high temperature tempering.
The outer diameter of the outer ring 1 of the utility model is phi 16mm, the inner diameter is phi 12.6mm, the groove curvature is R1.58mm, and the width is 5 mm; the inner diameter of the inner ring 2 is phi 5mm, the outer diameter is phi 8.514mm, and the width is 5 mm; the diameter size of the rolling bodies 3 is phi 2.778mm, and the number of the rolling bodies is 7; the outer diameter of the retainer 4 is phi 11.6mm, and the inner diameter is phi 9.2 mm; the outer diameter of the sealing element 5 is phi 13.75mm, and the inner diameter is phi 8.9 mm; the outer diameter of the dustproof cover 6 is 13.4mm, and the inner diameter is 8.02 mm.
The utility model can make the bearing resist high temperature due to the high temperature tempering heat treatment; due to the adoption of the FKM material sealing element, the dustproof effect is good, and the sealing element is high-temperature resistant; due to the fact that the dustproof cover structure is adopted, the heat dissipation performance of the bearing can be improved, and the outer circle of the outer ring is provided with the groove to well fix the bearing in an assembling and locking mode. The expansion coefficient can be reduced under the condition of high temperature, and the working principle of the microwave oven radiating bearing can be met.
Claims (9)
1. A heat dissipation circulating bearing of a microwave oven comprises an outer ring (1), an inner ring (2), a rolling body (3), a retainer (4), a sealing element (5) and a dust cover (6); a rolling body (3) is arranged between the outer ring (1) and the inner ring (2), the rolling body (3) is spherical, is uniformly distributed between the outer ring (1) and the inner ring (2), is fixed by a retainer (4), and is filled with lubricating grease; the method is characterized in that: a sealing groove is formed in the outer circle of the outer ring (1), and the sealing element (5) is pressed into the sealing groove of the outer ring (1); the inner ring (2) is provided with a dustproof groove, the dustproof cover (6) is pressed into the ring dustproof groove of the inner ring (2), and the inner ring dustproof groove is a step groove.
2. The heat dissipating recirculating bearing for microwave oven as set forth in claim 1, wherein: the sealing element (5) is made of FKM materials.
3. The heat dissipating recirculating bearing for microwave oven as set forth in claim 1, wherein: the lubricating grease is 240AC grease.
4. The heat dissipating recirculating bearing for microwave oven as set forth in claim 1, wherein: the outer diameter of the outer ring (1) is as follows: phi 16mm, internal diameter: phi 12.6mm, groove curvature: r1.58mm, width: 5 mm.
5. The heat dissipating recirculating bearing for microwave oven as set forth in claim 1, wherein: the inner diameter of the inner ring (2) is as follows: phi 5mm, outer diameter: phi 8.514mm, width: 5 mm.
6. The heat dissipating recirculating bearing for microwave oven as set forth in claim 1, wherein: the diameter of the rolling body (3) is as follows: phi 2.778mm, and 7 particles are uniformly distributed.
7. The heat dissipating recirculating bearing for microwave oven as set forth in claim 1, wherein: the outer diameter of the retainer (4) is as follows: phi 11.6mm, internal diameter: phi 9.2 mm.
8. The heat dissipating recirculating bearing for microwave oven as set forth in claim 1, wherein: the outer diameter of the sealing element (5) is as follows: phi 13.75mm, internal diameter: phi 8.9 mm.
9. The heat dissipating recirculating bearing for microwave oven as set forth in claim 1, wherein: the outer diameter of the dust cover (6) is as follows: phi 13.4mm, internal diameter: phi 8.02 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229090.6U CN211449382U (en) | 2019-07-31 | 2019-07-31 | Heat dissipation circulation bearing of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229090.6U CN211449382U (en) | 2019-07-31 | 2019-07-31 | Heat dissipation circulation bearing of microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211449382U true CN211449382U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921229090.6U Active CN211449382U (en) | 2019-07-31 | 2019-07-31 | Heat dissipation circulation bearing of microwave oven |
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| Country | Link |
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| CN (1) | CN211449382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454498A (en) * | 2019-07-31 | 2019-11-15 | 无锡诚石轴承有限公司 | A kind of micro-wave oven heat dissipation circulation bearing |
-
2019
- 2019-07-31 CN CN201921229090.6U patent/CN211449382U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454498A (en) * | 2019-07-31 | 2019-11-15 | 无锡诚石轴承有限公司 | A kind of micro-wave oven heat dissipation circulation bearing |
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