CN204553546U - Forklift door frame bearing - Google Patents
Forklift door frame bearing Download PDFInfo
- Publication number
- CN204553546U CN204553546U CN201520228237.5U CN201520228237U CN204553546U CN 204553546 U CN204553546 U CN 204553546U CN 201520228237 U CN201520228237 U CN 201520228237U CN 204553546 U CN204553546 U CN 204553546U
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- CN
- China
- Prior art keywords
- raceway
- circular arc
- bearing
- rolling element
- shaft part
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- Expired - Fee Related
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a kind of forklift door frame bearing, bearing outer ring and mandrel are respectively equipped with in two row, outer raceway, full filling dress rolling element between raceway and outer raceway in two row, mandrel comprise rolling element bearing shaft part that is corresponding with bearing outer ring position and raceway in be be positioned at axial two ends be fixedly mounted with shaft part, rolling element bearing shaft section diameter is greater than and is fixedly mounted with shaft part and forming station terrace, the axial two-port of bearing outer ring is provided with the circular arc outer channel of leading to the outer raceway of two row respectively, the circular arc outer channel bottom land straight line point crossing with outer raceway is higher than outer raceway minimum point, the rolling element bearing shaft part axial end of mandrel is provided with the circular arc internal channel of leading to raceway in two row respectively, the circular arc internal channel bottom land straight line point crossing with interior raceway is higher than interior raceway minimum point, circular arc internal channel radius is identical with circular arc outer channel radius, and mutual corresponding matching form and fill out ball.It is high that the utility model has bearing capacity, assembles advantage that is simple and convenient and reliable and stable work.
Description
Technical field
The utility model relates to technical field of bearings, is specifically related to a kind of forklift door frame bearing.
Background technique
Forklift door frame bearing is that one is installed in forklift door frame system, and fixing inner ring, the bearing of low speed rotation is carried out in outer ring.Because stand under load is comparatively large, fork truck bearing generally all needs to be better than general bearing on material and performance.At present, fork truck bearing mostly is deep groove ball bearing or roller bearing.The occasion required for there being axial force, many employing four-point contact balls or double-row angular contact bal bearing.Existing fork truck bearing, has bearing capacity deficiency, assembling is complicated can problem.
Summary of the invention
For overcoming the deficiency that prior art exists, the purpose of this utility model is to provide a kind of forklift door frame bearing adopting full dress biserial roller structure, effectively improves bearing capacity, has the advantage of assembling simple and convenient and reliable and stable work.
For achieving the above object, the utility model provides following technological scheme: a kind of forklift door frame bearing, include mandrel, bearing outer ring, rolling element and seal ring, described bearing outer ring is set in outside mandrel, the inner peripheral surface of bearing outer ring is provided with outer raceway, the outer peripheral surface of mandrel is provided with and raceway in outer raceway corresponding matching, rolling element is positioned at outer raceway and raceway, it is characterized in that: described bearing outer ring is provided with the outer raceway of two row along bearing arrangement, corresponding mandrel is provided with two row and two and arranges the interior raceway that outer raceway one_to_one corresponding coordinates, in two row, between raceway and outer raceway, rolling element is equipped with in full filling, mandrel comprises the rolling element bearing shaft part corresponding with bearing outer ring position, described interior raceway is located at rolling element bearing shaft part, the axial two ends of rolling element bearing shaft part are provided with and are fixedly mounted with shaft part, rolling element bearing shaft section diameter is greater than and is fixedly mounted with shaft part, the axial two ends of rolling element bearing shaft part be fixedly mounted with shaft part forming station terrace, the circular arc outer channel of leading to the outer raceway of two row is respectively equipped with in the axial two-port of bearing outer ring, the circular arc outer channel bottom land straight line point crossing with outer raceway is higher than the minimum point of described outer raceway, the circular arc internal channel of leading to raceway in two row is respectively equipped with at the rolling element bearing shaft part axial end of mandrel, the circular arc internal channel bottom land straight line point crossing with interior raceway is higher than the minimum point of described interior raceway, circular arc internal channel radius is identical with circular arc outer channel radius, circular arc internal channel and circular arc outer channel corresponding matching are also formed fills out ball.
By adopting technique scheme, forklift door frame bearing adopts the design of double-row full-complement rolling element, effective raising bearing capacity, the structural design of mandrel, forklift door frame bearing shaft all can be processed to form to two ends and fill out ball, being respectively used to two row rolling elements is contained in corresponding interior between raceway and outer raceway, realize rolling element full type to load, rolling element assembling is more convenient, and the circular arc outer channel of ball and the structural design of circular arc internal channel are filled out in formation, ensure that rolling physical efficiency to be assemblied in smoothly in raceway and can not to deviate from easily, make working stability reliable.
The utility model is set to further: described circular arc outer channel is its bottom land straight line and bearing outer ring center line is being obliquely installed of angle, circular arc outer channel is the skewed slot that outer end is dark, the inner is shallow, circular arc internal channel is its bottom land straight line and core bearing axis is being obliquely installed of angle, circular arc internal channel is the skewed slot that outer end is dark, the inner is shallow, and filling out ball described in corresponding is that outer end is large, inner little.
By adopting technique scheme, facilitating the filling of rolling element, ensureing that further rolling physical efficiency to be assemblied in smoothly in raceway and can not to deviate from easily, making bearing working reliable and stable.
The utility model is set to further: the angle that its bottom land straight line of described circular arc outer channel and bearing outer ring center line are formed is 3 ° ~ 7 °, and the angle that the bottom land straight line of circular arc internal channel and core bearing axis are formed is 3 ° ~ 7 °.
By adopting technique scheme, rolling element is entered in raceway smoothly, easy to assembly.
The utility model is set to further: the circular arc outer channel on the axial two ends of described bearing outer ring circumferentially misplaces layout, circular arc internal channel on the axial two ends of corresponding described mandrel also to misplace layouts at circumferencial direction, and two circular arc outer channel and the formation of circular arc internal channel two fill out ball and to misplace in a circumferential direction layout.
By adopting technique scheme, make the reliability of bearing operation better.
The utility model is set to further: the axial two ends of rolling element bearing shaft part of described mandrel all grow the axial two ends of described bearing outer ring.
By adopting technique scheme, making bearing operation more reliable and stable, facilitating the loading of rolling element simultaneously, make assembling more convenient.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the utility model specific embodiment forklift door frame bearing structure schematic diagram;
Fig. 2 is the utility model specific embodiment bearing outer ring structural representation;
Fig. 3 is that the local K of Fig. 2 is to section amplification figure;
Fig. 4 is the I part partial enlarged drawing of Fig. 2;
Fig. 5 is the utility model specific embodiment core shaft structure schematic diagram;
Fig. 6 is that the local F of Fig. 5 is to section amplification figure;
Fig. 7 is the II part partial enlarged drawing of Fig. 5.
Embodiment
As Fig. 1 ~ 7, a kind of forklift door frame bearing disclosed in the utility model, include mandrel 1, bearing outer ring 2, rolling element 3 and seal ring 4, described bearing outer ring 2 is set in outside mandrel 1, the inner peripheral surface of bearing outer ring 2 is provided with outer raceway 21, the outer peripheral surface of mandrel 1 is provided with and raceway 11 in outer raceway 21 corresponding matching, rolling element 3 is positioned at outer raceway 21 and raceway 11, described bearing outer ring 2 is provided with the outer raceway 21 of two row along bearing arrangement, corresponding mandrel 1 is provided with two row and two and arranges the interior raceway 11 that outer raceway 21 one_to_one corresponding coordinates, in two row, between raceway 11 and outer raceway 21, rolling element 3 is equipped with in full filling, described mandrel 1 comprises the rolling element bearing shaft part 12 corresponding with bearing outer ring 2 position, described interior raceway 11 is located at rolling element bearing shaft part 12, the axial two ends of rolling element bearing shaft part 12 are provided with and are fixedly mounted with shaft part 13, rolling element bearing shaft part 12 diameter is greater than and is fixedly mounted with shaft part 13, the axial two ends of rolling element bearing shaft part 12 be fixedly mounted with shaft part 13 forming station terrace 14, the circular arc outer channel 25 of leading to the outer raceway 21 of two row is respectively equipped with in the axial two-port of bearing outer ring 2, the circular arc outer channel 25 bottom land straight line 251 point a crossing with outer raceway 21 is higher than the minimum point b of described outer raceway 21, and height of formation difference d1, the circular arc internal channel 15 of leading to raceway 11 in two row is respectively equipped with at rolling element bearing shaft part 12 axial end of mandrel 1, the circular arc internal channel 15 bottom land straight line 151 point c crossing with interior raceway 11 is higher than the minimum point e of described interior raceway 11, and height of formation difference d2, wherein, height difference d2 and height difference d1 specifically can determine according to rolling element size, circular arc internal channel 15 radius R 1 is identical with circular arc outer channel 25 radius R 2, circular arc internal channel 15 and circular arc outer channel 25 corresponding matching are also formed fills out ball 5.
For further facilitating the assembling of rolling element, described circular arc outer channel 25 is its bottom land straight line 251 and bearing outer ring center line 26 being obliquely installed in angle α, circular arc internal channel 15 is the skewed slot that outer end is dark, the inner is shallow, circular arc internal channel 15 is its bottom land straight line 151 and core bearing axis 16 being obliquely installed in angle β, circular arc internal channel 15 is the skewed slot that outer end is dark, the inner is shallow, fills out ball 5 for outer end is large, the inner is little described in corresponding.Wherein, angle α is 3 ° ~ 7 °, and angle β is 3 ° ~ 7 °.
In this specific embodiment, circular arc outer channel 25 on the described axial two ends of bearing outer ring 2 circumferentially misplaces layout, circular arc internal channel 15 on the corresponding axial two ends of described mandrel 1 also to misplace layout at circumferencial direction, and two circular arc outer channel 25 and circular arc internal channel 15 two of being formed fill out ball 5 and to misplace in a circumferential direction layout.The axial two ends of rolling element bearing shaft part 12 of described mandrel 1 all grow the axial two ends of described bearing outer ring 2.Like this, make bearing operation more reliable and stable, form the leading role of dress ball simultaneously, facilitate the loading of rolling element, make assembling more convenient.
In this specific embodiment, the inner peripheral surface of bearing outer ring 2 is provided with dustproof groove 22, rolling element bearing shaft part 12 outer peripheral surface of mandrel 1 is provided with seal groove 17, seal ring 4 radial outer end is fixedly inlaid in dustproof groove 22, seal ring 4 radial inner end is provided with the sealing lip stretched in seal groove 17, sealing lip 42 in sealing lip comprises the radial outer seal lip 41 extended and axially extends to Bearing inner, interference fit bottom outer seal lip 41 and seal groove 17, interior sealing lip 42 and seal groove 17 Spielpassung, interior sealing lip 42 realizes the stirring to lubricating grease, realize grease-proof to reveal, improve sealability, outer seal lip 41 realizes sealing and dustproof, there is the reliable advantage of sealing, thus ensure that bearing working is reliable and stable.
Claims (5)
1. a forklift door frame bearing, include mandrel, bearing outer ring, rolling element and seal ring, described bearing outer ring is set in outside mandrel, the inner peripheral surface of bearing outer ring is provided with outer raceway, the outer peripheral surface of mandrel is provided with and raceway in outer raceway corresponding matching, rolling element is positioned at outer raceway and raceway, it is characterized in that: described bearing outer ring is provided with the outer raceway of two row along bearing arrangement, corresponding mandrel is provided with two row and two and arranges the interior raceway that outer raceway one_to_one corresponding coordinates, in two row, between raceway and outer raceway, rolling element is equipped with in full filling, mandrel comprises the rolling element bearing shaft part corresponding with bearing outer ring position, described interior raceway is located at rolling element bearing shaft part, the axial two ends of rolling element bearing shaft part are provided with and are fixedly mounted with shaft part, rolling element bearing shaft section diameter is greater than and is fixedly mounted with shaft part, the axial two ends of rolling element bearing shaft part be fixedly mounted with shaft part forming station terrace, the circular arc outer channel of leading to the outer raceway of two row is respectively equipped with in the axial two-port of bearing outer ring, the circular arc outer channel bottom land straight line point crossing with outer raceway is higher than the minimum point of described outer raceway, the circular arc internal channel of leading to raceway in two row is respectively equipped with at the rolling element bearing shaft part axial end of mandrel, the circular arc internal channel bottom land straight line point crossing with interior raceway is higher than the minimum point of described interior raceway, circular arc internal channel radius is identical with circular arc outer channel radius, circular arc internal channel and circular arc outer channel corresponding matching are also formed fills out ball.
2. forklift door frame bearing according to claim 1, it is characterized in that: described circular arc outer channel is its bottom land straight line and bearing outer ring center line is being obliquely installed of angle, circular arc internal channel is the skewed slot that outer end is dark, the inner is shallow, circular arc internal channel is its bottom land straight line and core bearing axis is being obliquely installed of angle, circular arc internal channel is the skewed slot that outer end is dark, the inner is shallow, and filling out ball described in corresponding is that outer end is large, inner little.
3. forklift door frame bearing according to claim 2, it is characterized in that: the angle that its bottom land straight line of described circular arc outer channel and bearing outer ring center line are formed is 3 ° ~ 7 °, the angle that the bottom land straight line of circular arc internal channel and core bearing axis are formed is 3 ° ~ 7 °.
4. forklift door frame bearing according to claim 1, it is characterized in that: the circular arc outer channel on the axial two ends of described bearing outer ring circumferentially misplaces layout, circular arc internal channel on the axial two ends of corresponding described mandrel also to misplace layouts at circumferencial direction, and two circular arc outer channel and the formation of circular arc internal channel two fill out ball and to misplace in a circumferential direction layout.
5. forklift door frame bearing according to claim 1 or 2, is characterized in that: the axial two ends of rolling element bearing shaft part of described mandrel all grow the axial two ends of described bearing outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520228237.5U CN204553546U (en) | 2015-04-15 | 2015-04-15 | Forklift door frame bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520228237.5U CN204553546U (en) | 2015-04-15 | 2015-04-15 | Forklift door frame bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553546U true CN204553546U (en) | 2015-08-12 |
Family
ID=53828661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520228237.5U Expired - Fee Related CN204553546U (en) | 2015-04-15 | 2015-04-15 | Forklift door frame bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204553546U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086705A (en) * | 2017-05-27 | 2017-08-22 | 杭州驰创机械有限公司 | A kind of brushless, permanently high-speed electric expreess locomotive of use integral bearing |
| CN109882501A (en) * | 2019-04-17 | 2019-06-14 | 徐石交 | A kind of amorphous horizontal axle bearing |
| CN112867876A (en) * | 2019-09-24 | 2021-05-28 | 世客思株式会社 | Bearing assembly |
-
2015
- 2015-04-15 CN CN201520228237.5U patent/CN204553546U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086705A (en) * | 2017-05-27 | 2017-08-22 | 杭州驰创机械有限公司 | A kind of brushless, permanently high-speed electric expreess locomotive of use integral bearing |
| CN109882501A (en) * | 2019-04-17 | 2019-06-14 | 徐石交 | A kind of amorphous horizontal axle bearing |
| CN112867876A (en) * | 2019-09-24 | 2021-05-28 | 世客思株式会社 | Bearing assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20170415 |