CN210423424U - Bidirectional shaft pressure cylindrical bearing - Google Patents
Bidirectional shaft pressure cylindrical bearing Download PDFInfo
- Publication number
- CN210423424U CN210423424U CN201921189375.1U CN201921189375U CN210423424U CN 210423424 U CN210423424 U CN 210423424U CN 201921189375 U CN201921189375 U CN 201921189375U CN 210423424 U CN210423424 U CN 210423424U
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- Prior art keywords
- inner ring
- thread inner
- bearing
- ring
- external thread
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- Expired - Fee Related
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims description 37
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model relates to a bidirectional shaft pressure cylindrical bearing, which comprises an outer ring, a roller, a retainer, an external thread inner ring and an internal thread inner ring; the external thread inner ring is screwed into the internal thread inner ring; the roller is arranged on the retainer and is arranged between the outer ring and the outer thread inner ring; two ends of the roller are respectively contacted with the flanges of the internal thread inner ring, the external thread inner ring and the external ring flange; the outer ring is coaxially sleeved on the outer side of the outer thread inner ring. After the bearing is assembled, the bearing can be integrally installed and used without any treatment, and can be used for occasions with bidirectional bearing load and large radial load; the structure is more compact, the use space is saved, the installation procedure is simplified, the installation efficiency is improved, the construction period is shortened, and the design and processing cost is reduced.
Description
Technical Field
The utility model belongs to the universal bearing field, concretely relates to can bear two-way axial pressure cylinder bearing.
Background
In the mechanical design application process, the function of the bearing is of great importance, and although the cost of the bearing is low, the requirement on the bearing is special in some design occasions.
The radial bearing capacity of the conventional cylindrical roller bearing is much higher than that of a ball bearing, the conventional cylindrical roller bearing can only bear small unidirectional axial load, although the ball bearing can also bear axial and radial loads, the bearing capacity is much weaker. The space in the mechanical structure is narrow and small, and the design of the ball bearing is not enough to bear, so that the cylindrical roller bearing can be selected, and a plurality of design structures all require to bear the bidirectional shaft pressure. At present, the cylindrical roller is used for bearing bidirectional shaft pressure load, mostly paired use or multi-row ball bearings are directly used, and the double-row cylindrical roller bearing has the defects of high design requirement, complex structure, space occupation, high cost and the like, and the inclined angle is almost not allowed.
Thus, there is a need in the art for a new solution to the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's is not enough, for it is not enough to use when solving to adopt current bearing to bear radial load and two-way axial load, and the structure is complicated, and occupation space scheduling problem greatly provides a cylindrical bearing that can bear two-way axial pressure, makes it possess the designing requirement low, simple structure compactness, high rotational speed, low-cost advantage.
The utility model adopts the following technical scheme:
the utility model provides a bidirectional shaft pressure cylindrical bearing, which comprises an outer ring, a rolling body, a retainer, an external thread inner ring and an internal thread inner ring; the external thread inner ring is screwed into the internal thread inner ring; the retainer is provided with a rolling body, and the retainer and the rolling body are both arranged between the outer ring and the outer thread inner ring; two ends of the rolling body are respectively contacted with the flanges of the internal thread inner ring, the external thread inner ring and the external ring flange; the outer ring is coaxially sleeved on the outer side of the outer thread inner ring.
The utility model provides a cylindrical bearing with above-mentioned structure can bear big two-way axial load. The working principle is as follows:
when the left side of the bearing is subjected to axial pressure, force is transmitted to the rolling body through the contact of the flange of the inner thread inner ring and the rolling body, and is transmitted to the outer ring and the outer thread inner ring through the contact of the rolling body, the outer thread inner ring and the outer ring flange; when the right side of the bearing is subjected to axial pressure, force is transmitted to the rolling body through the contact of the flange of the external thread inner ring and the rolling body, and is transmitted to the outer ring and the internal thread inner ring through the contact of the rolling body, the internal thread inner ring and the outer ring flange.
In the bidirectional axial pressure cylindrical bearing provided by the utility model,
preferably, the flanges of the outer ring, the outer thread inner ring and the inner thread inner ring adopt oblique flanges.
Preferably, the two end faces of the rolling body adopt sphere base faces, so that point contact between the end faces of the rolling body and the flanges is formed. The spherical point contact structure can optimize the friction force generated by the original line contact, improve the rotating speed application range of the bearing and enable the bearing to be used for high rotating speed.
The utility model provides a during the installation of two-way axle pressure cylindrical bearing, only need with external screw thread inner circle screw in internal thread inner circle, installation holder and rolling element, install the outer lane at last. After the bearing is assembled, the bearing is integrally installed without any treatment. When the bearing is used, the bearing can be integrally used, and the inner ring is convenient to replace. Large radial and bidirectional axial loads can be carried in the mechanical structure.
The utility model has the advantages that:
the utility model discloses two-way axial pressure cylindrical bearing is a can bear two-way axial pressure high rotational speed cylindrical bearing structure, including bearing the spherical point contact structure of two-way load structure and improvement rotational speed. After the assembly is completed, the bearing is directly applied and can be used in the occasions of bidirectional bearing load and large radial load. The utility model discloses a can bear two-way shaft pressure cylindrical bearing has reduced complicated project organization, makes the structure compacter, has saved the usage space, has simplified installation procedure, has improved the installation effectiveness, has shortened construction cycle, has reduced design and processing cost.
Drawings
FIG. 1 is the schematic view of the appearance structure of the two-way axial pressure cylindrical bearing of the present invention
FIG. 2 is a schematic view of the sectional structure of the two-way axial pressure cylindrical bearing of the present invention
In the figure, 1, an outer ring, 2, a rolling body, 3, a retainer, 4, an external thread inner ring, 5 and an internal thread inner ring
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 2, the present invention provides a bidirectional axial pressure cylindrical bearing comprising
The rolling bearing comprises an outer ring 1, rolling bodies 2, a retainer 3, an external thread inner ring 4 and an internal thread inner ring 5. In the embodiment, the external thread inner ring 4 is screwed into the internal thread inner ring 5; the rolling body 2 is arranged on the retainer 3, and the retainer 3 and the rolling body 2 are both arranged between the outer ring 1 and the external thread inner ring 4; two ends of the rolling body 2 are respectively contacted with the flanges of the internal thread inner ring 5, the external thread inner ring 4 and the outer ring 1; the outer ring is coaxially sleeved on the outer side of the external thread inner ring 4.
After the assembly is completed, the bearing does not need to be processed, and the bearing can be integrally installed. Large radial and bidirectional axial loads can be carried in the mechanical structure. In the above cylindrical rolling element bearing, in the above structure, at the time of mounting, the male-threaded inner ring 4 is screwed into the female-threaded inner ring 5, the cage 3 and the rolling elements 2 are mounted, and finally the outer ring 1 is mounted. When the bearing is used, the bearing can be integrally used, and the inner ring is convenient to replace.
The work flow of the cylindrical bearing structure capable of bearing the bidirectional load in the embodiment is as follows:
when the left side of the bearing is subjected to axial pressure, force is transmitted to the rolling body 2 through the contact of the flange of the inner thread inner ring 5 and the rolling body 2, and is transmitted to the outer ring and the outer thread inner ring 4 through the contact of the rolling body 2 and the flanges of the outer thread inner ring 4 and the outer ring 1; when the right side of the bearing is subjected to axial pressure, force is transmitted to the rolling body 2 through the contact of the flange of the external thread inner ring 4 and the rolling body 2, and is transmitted to the outer ring and the internal thread inner ring 5 through the contact of the rolling body 2 and the flanges of the internal thread inner ring 5 and the outer ring 1. Thus, the bearing can withstand bi-directional axial compression.
In this embodiment, the flanges of the outer ring 1, the external thread inner ring 4 and the internal thread inner ring 5 are oblique flanges. The two end surfaces of the rolling body 2 adopt spherical base surfaces, so that the contact between the end surface of the rolling body 2 and the flange is point contact, the friction force generated by the original line contact is optimized, the rotating speed application range of the bearing is improved, and the bearing can be used for high rotating speed.
The bearing may be used in both bearing load and large radial load applications. Whether or not a specific application can be added, and for example, the following industrial applications can be selected similarly.
Wind power generation equipment, large and medium-sized motors, rolling stocks, machine tool spindles, internal combustion engines, generators, gas turbines, reduction boxes, rolling mills, vibrating screens, hoisting and transporting machinery and the like.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the scope of the claims, and any modification, equivalent replacement or improvement made within the principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. A bidirectional shaft pressure cylindrical bearing comprises an outer ring (1), a rolling body (2), a retainer (3), an external thread inner ring (4) and an internal thread inner ring (5); the external thread inner ring (4) is screwed into the internal thread inner ring (5); the rolling body (2) is arranged on the retainer (3) and is arranged between the outer ring (1) and the external thread inner ring (4); the rolling device is characterized in that two ends of the rolling body (2) are respectively contacted with the flanges of the internal thread inner ring (5), the external thread inner ring (4) and the outer ring (1); the outer ring is coaxially sleeved on the outer side of the external thread inner ring (4).
2. The bidirectional shaft pressure cylindrical bearing according to claim 1, wherein the flanges of the outer ring (1), the outer thread inner ring (4) and the inner thread inner ring (5) are inclined flanges.
3. The bidirectional axial pressure cylindrical bearing as claimed in claim 1, wherein the rolling elements (2) have ball-shaped base surfaces at both end surfaces, and the contact between the end surfaces of the rolling elements (2) and the ribs is point contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189375.1U CN210423424U (en) | 2019-07-26 | 2019-07-26 | Bidirectional shaft pressure cylindrical bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189375.1U CN210423424U (en) | 2019-07-26 | 2019-07-26 | Bidirectional shaft pressure cylindrical bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210423424U true CN210423424U (en) | 2020-04-28 |
Family
ID=70383040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921189375.1U Expired - Fee Related CN210423424U (en) | 2019-07-26 | 2019-07-26 | Bidirectional shaft pressure cylindrical bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210423424U (en) |
-
2019
- 2019-07-26 CN CN201921189375.1U patent/CN210423424U/en not_active Expired - Fee Related
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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: 20200428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |