CN204082904U - Controllable type bearing - Google Patents
Controllable type bearing Download PDFInfo
- Publication number
- CN204082904U CN204082904U CN201420463451.4U CN201420463451U CN204082904U CN 204082904 U CN204082904 U CN 204082904U CN 201420463451 U CN201420463451 U CN 201420463451U CN 204082904 U CN204082904 U CN 204082904U
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- CN
- China
- Prior art keywords
- gear
- bearing inner
- sliding
- inner ring
- check pawl
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of controllable type bearing, described sliding cavity inwall is provided with the sliding-groove running through sliding cavity, the opening of described sliding-groove on bearing inner ring is provided with tooth bar, described tooth bar is provided with the controll block suitable with sliding-groove towards one end of check pawl, is fixed with spring between described controll block and check pawl; Described tooth bar bilateral symmetry is provided with engaging tooth, is provided with transmission device between described adjacent tooth bar, and described transmission device is provided with the fixing device that postrotational first gear can be made fixing.Carry-over bar just can be with to move around in sliding-groove by transmitting gear, so just can reach and control the flexible of check pawl, thus reach control bearing whether can carry out bidirectional rotation, and pass through the interlock effect of transmission device, just can realize can manipulating so check pawl moves together, operation is more time saving and energy saving convenient and simple so simultaneously.
Description
Technical field
The utility model relates to a kind of bearing, and more particularly, it relates to a kind of controllable type bearing.
Background technique
Along with axle industrial expansion, for meeting different needs, go out a bit various bearing, but in order to meet the motion of some special entities, often need bearing single direction rotation, or optionally unidirectional or bidirectional rotation, the general plain bearing on market can not meet special circumstances here.So just there has been application number to be: the patent of 201420044945.9, establish in patent upper, unidirectional or the bidirectional rotation of bearing can be controlled although solve, but in order to safety, often need multiple check pawl together to stretch out with ratchet in sliding cavity inconsistent, the controlled bearing of such guarantee can safety and firmness carry out individual event rotation, in above-mentioned patent, can only operate separately single check pawl, operation is wasted time and energy, and in operation, may because of unbalance stress, the length that each check pawl is stretched out is not identical, so not only add operation easier, but also easily cause bearing using the wearing and tearing being, more accident potential may be become.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of controllable type bearing simple to operation.
For achieving the above object, the utility model provides following technological scheme: a kind of controllable type bearing, comprise outer race and bearing inner ring, described bearing inner ring is provided with mounting hole, ball is provided with between described outer race and bearing inner ring, described bearing one end is provided with internal messing ratchet mechanism, described internal messing ratchet mechanism comprises ratchet, check pawl and can by check pawl radial direction eject the spring be meshed with ratchet, described ratchet is arranged on outer race inwall, described bearing inner ring is provided with the sliding cavity of opening towards ratchet, described check pawl is arranged in sliding cavity, it is characterized in that:
Described sliding cavity inwall is provided with the sliding-groove running through sliding cavity, the opening of described sliding-groove on bearing inner ring is provided with tooth bar, described tooth bar is provided with the controll block suitable with sliding-groove towards one end of check pawl, is fixed with spring between described controll block and check pawl;
Described tooth bar bilateral symmetry is provided with engaging tooth, transmission device is provided with between described adjacent tooth bar, described transmission device comprises the first gear and the second gear with the equal model of the first gear, described first gear and the second gear are movably arranged on the end face of bearing inner ring, described first gear side is meshed with the engaging tooth on tooth bar, the opposite side of the first gear is meshed with the second gear, and described second gear is meshed away from the engaging tooth on the tooth bar adjacent with another of the side of the first gear;
Described transmission device is provided with the fixing device that postrotational first gear can be made fixing.
By adopting technique scheme, carry-over bar just can be with to move around in sliding-groove by transmitting gear, so just can reach and control the flexible of check pawl, thus reach control bearing whether can carry out bidirectional rotation, and pass through the interlock effect of transmission device, just can realize can manipulating so check pawl moves together, operation is more time saving and energy saving convenient and simple so simultaneously.
The utility model is set to further: described fixing device comprises fixing rod, described first gear is provided with some penetration holes circumferentially distributed, described penetration hole and controlling rod suitable, described bearing inner race is provided with a fixed hole suitable with controlling rod, and described fixed hole can overlap with the projection of penetration hole on bearing inner race.
By adopting technique scheme, can be fixed the gear rotated by fixing device, whether this just can control check pawl inconsistent with ratchet.
The utility model is set to further: described sliding-groove is dovetail groove.
By adopting technique scheme, the sliding-groove of dovetail groove can ensure that each mechanism be arranged in sliding-groove departs from sliding-groove.
The utility model is set to further: on the first described gear and second gear teeth, axle center is provided with axis hole, suitable running shaft is provided with in described axis hole, described running shaft one end is fixedly connected with bearing inner ring, the running shaft the other end is provided with annular stop cover plate, the mounting hole of described annular stop cover plate endoporus and bearing inner ring is suitable, and the projection line of described annular stop cover plate outer shroud on bearing inner ring is mutually circumscribed with fixed hole.
By adopting technique scheme; by annular stop cover plate not only more enough more effective each devices to being arranged on bearing inner ring carry out protection and spacing work; and can also to give on the first gear and second gear teeth after oil lubrication; can effectively prevent lubricant oil from flashing, reach the object that fuel-economizing is fuel-efficient.
Accompanying drawing explanation
Fig. 1 is the plan view of the utility model controllable type bearing embodiment;
Fig. 2 is the partial enlarged drawing of A in Fig. 1;
Fig. 3 is the sectional view of the utility model controllable type bearing embodiment state one;
Fig. 4 is the sectional view of the utility model controllable type bearing embodiment state two;
Fig. 5 is the partial enlarged drawing of B in Fig. 4.
Reference character: 1, outer race; 11, ratchet; 2, bearing inner ring; 21, sliding cavity; 22, sliding-groove; 3, mounting hole; 4, ball; 5, check pawl; 6, spring; 7, tooth bar; 71, engaging tooth; 72, controll block; 8, transmission device; 81, the first gear; 811, axis hole; 812, rotating shaft; 813, penetration hole; 82, the second gear; 83, fixing rod; 84, annular stop cover plate.
Embodiment
Referring to figs. 1 through Fig. 5, the utility model controllable type bearing embodiment is described further.
A kind of controllable type bearing, comprise outer race 1 and bearing inner ring 2, described bearing inner ring 2 is provided with mounting hole 3, ball 4 is provided with between described outer race 1 and bearing inner ring 2, described bearing one end is provided with internal messing ratchet 11 mechanism, described internal messing ratchet 11 mechanism comprises ratchet 11, check pawl 5 and check pawl 5 radial direction can be ejected the spring 6 be meshed with ratchet 11, described ratchet 11 is arranged on outer race 1 inwall, described bearing inner ring 2 is provided with the sliding cavity 21 of opening towards ratchet 11, described check pawl 5 is arranged in sliding cavity 21, described sliding cavity 21 inwall is provided with the sliding-groove 22 running through sliding cavity 21, the opening of described sliding-groove 22 on bearing inner ring 2 is provided with tooth bar 7, described tooth bar 7 is provided with the controll block 72 suitable with sliding-groove 22 towards one end of check pawl 5, spring 6 is fixed with between described controll block 72 and check pawl 5, described tooth bar 7 bilateral symmetry is provided with engaging tooth 71, transmission device 8 is provided with between described adjacent tooth bar 7, described transmission device 8 comprises the first gear 81 and the second gear 82 with the equal model of the first gear 81, described first gear 81 and the second gear 82 are movably arranged on the end face of bearing inner ring 2, described first gear 81 side is meshed with the engaging tooth 71 on tooth bar 7, the opposite side of the first gear 81 is meshed with the second gear 82, and described second gear 82 is meshed away from the engaging tooth 71 on the tooth bar 7 adjacent with another of the side of the first gear 81, a described wherein transmission device 8 is provided with the fixing device that postrotational first gear 81 can be made fixing.
In the operating process of reality, only need the first gear 81 that turn is meshed with tooth bar 7, by rotating, carry-over bar 7 can be with to move around in sliding-groove 22, check pawl 5 just can be driven to move, can make check pawl 5 can be inconsistent with ratchet 11, or make check pawl 5 depart from ratchet 11, so just can realize bearing and carry out unidirectional or two-way carrying out and rotate, and the first gear 81 passed through in transmission device 8 and the effect of the second gear 82, when people's turn first gear 81, because together with the first gear 81 intermeshes with the second gear 82, such people are when turn first gear 81, the second gear 82 just can be driven to rotate together, and like this by the effect of the second gear 82, just can drive and nextly to take turns with intermeshing second rooted tooth of the second gear 82, then the effect of transmission device 8 is also passed through by the second toothed rack 7, power is delivered to successively on all tooth bars 7, this makes it possible to control all check pawls 5 together in fact, just can used fixing device be fixed by the first gear 81 of one of them transmission device 8 after last operation completes, this just can by the transmission device 8 that uses and tooth bar 7 stuck fixing, check pawl 5 can be made to fix, complete the conversion work of bearing, operation just can be allowed more time saving and energy saving convenient and simple by above-mentioned setting, bearing is allowed more to simplify in the operation of conversion, substantially increase the transfer speed of whole bearing, improve work task efficiency.
Described fixing device comprises fixing rod 83, described first gear 81 is provided with some penetration holes 813 circumferentially distributed, described penetration hole 813 is suitable with controlling rod, described bearing inner race is provided with a fixed hole suitable with controlling rod, and described fixed hole can overlap with the projection of penetration hole 813 on bearing inner race.Can be fixed the gear rotated by fixing device, whether this just can control check pawl 5 inconsistent with ratchet.In the production process of reality, fixing rod 83 can be threaded stem, and penetration hole 813 is tapped hole through hole, fixed hole is tapped hole, so just successively penetration hole 813 and fixed hole are connected by turn fixing rod 83, first gear 81 is fixed, thus all transmission devices 8 and check pawl 5 are fixed.When needs carry out turn, also fixing rod 83 can be taken out from penetration hole 813 and fixed hole, so just can rotate the transmission device 8 on bearing easily, be convenient for people to carry out control operation to the position of check pawl 5.
Described sliding-groove 22 is dovetail groove.The sliding-groove 22 of dovetail groove can ensure that each mechanism be arranged in sliding-groove 22 departs from sliding-groove 22.
On the first described gear 81 and second gear teeth, axle center is provided with axis hole 811, suitable running shaft 812 is provided with in described axis hole 811, described running shaft 812 one end is fixedly connected with bearing inner ring 2, running shaft 812 the other end is provided with annular stop cover plate 84, the mounting hole 3 of described annular stop cover plate 84 endoporus and bearing inner ring 2 is suitable, and the projection line of described annular stop cover plate 84 outer shroud on bearing inner ring 2 is mutually circumscribed with fixed hole.Annular stop cover plate 84 not only more enough more effective each devices to being arranged on bearing inner ring 2 carries out protection and spacing work; the first gear 81 in transmission device 8 or the second gear 82 can be effectively prevented firmly to be set on running shaft 812; can allow the first gear 81 and the second gear 82 turn excessively in; what rotate is more stable; and can also to give on the first gear 81 and second gear teeth after oil lubrication; can effectively prevent lubricant oil from flashing, reach the object that fuel-economizing is fuel-efficient.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. a controllable type bearing, comprise outer race and bearing inner ring, described bearing inner ring is provided with mounting hole, ball is provided with between described outer race and bearing inner ring, described bearing one end is provided with internal messing ratchet mechanism, described internal messing ratchet mechanism comprises ratchet, check pawl and can by check pawl radial direction eject the spring be meshed with ratchet, described ratchet is arranged on outer race inwall, described bearing inner ring is provided with the sliding cavity of opening towards ratchet, described check pawl is arranged in sliding cavity, described both ends of the spring is fixedly connected with sliding cavity with check pawl respectively, it is characterized in that:
Described sliding cavity inwall is provided with the sliding-groove running through sliding cavity, the opening of described sliding-groove on bearing inner ring is provided with tooth bar, described tooth bar is provided with the controll block suitable with sliding-groove towards one end of check pawl, is fixed with spring between described controll block and check pawl;
Described tooth bar bilateral symmetry is provided with engaging tooth, transmission device is provided with between described adjacent tooth bar, described transmission device comprises the first gear and the second gear with the equal model of the first gear, described first gear and the second gear are movably arranged on the end face of bearing inner ring, described first gear side is meshed with the engaging tooth on tooth bar, the opposite side of the first gear is meshed with the second gear, and described second gear is meshed away from the engaging tooth on the tooth bar adjacent with another of the side of the first gear;
Described transmission device is provided with the fixing device that postrotational first gear can be made fixing.
2. controllable type bearing according to claim 1, it is characterized in that: described fixing device comprises fixing rod, described first gear is provided with some penetration holes circumferentially distributed, described penetration hole and controlling rod suitable, described bearing inner race is provided with a fixed hole suitable with controlling rod, and described fixed hole can overlap with the projection of penetration hole on bearing inner race.
3. controllable type bearing according to claim 2, is characterized in that: described sliding-groove is dovetail groove.
4. controllable type bearing according to claim 3, it is characterized in that: on described first gear and second gear teeth, axle center is provided with axis hole, suitable running shaft is provided with in described axis hole, described running shaft one end is fixedly connected with bearing inner ring, the running shaft the other end is provided with annular stop cover plate, the mounting hole of described annular stop cover plate endoporus and bearing inner ring is suitable, and the projection line of described annular stop cover plate outer shroud on bearing inner ring is mutually circumscribed with fixed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463451.4U CN204082904U (en) | 2014-08-16 | 2014-08-16 | Controllable type bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463451.4U CN204082904U (en) | 2014-08-16 | 2014-08-16 | Controllable type bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082904U true CN204082904U (en) | 2015-01-07 |
Family
ID=52175627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420463451.4U Expired - Fee Related CN204082904U (en) | 2014-08-16 | 2014-08-16 | Controllable type bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082904U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608893A (en) * | 2018-06-13 | 2018-10-02 | 扬州市东方吊架有限公司 | It is a kind of can bi-directional braking compensation device and its installation method |
| CN110303953A (en) * | 2019-06-19 | 2019-10-08 | 浙江飞碟汽车制造有限公司 | A kind of automobile copilot cushion turnover mechanism |
| CN114876961A (en) * | 2022-05-30 | 2022-08-09 | 马鞍山经纬回转支承有限公司 | High-bearing impact-resistant slewing bearing for mining machinery |
-
2014
- 2014-08-16 CN CN201420463451.4U patent/CN204082904U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608893A (en) * | 2018-06-13 | 2018-10-02 | 扬州市东方吊架有限公司 | It is a kind of can bi-directional braking compensation device and its installation method |
| CN110303953A (en) * | 2019-06-19 | 2019-10-08 | 浙江飞碟汽车制造有限公司 | A kind of automobile copilot cushion turnover mechanism |
| CN110303953B (en) * | 2019-06-19 | 2020-10-27 | 浙江飞碟汽车制造有限公司 | Automobile copilot cushion tilting mechanism |
| CN114876961A (en) * | 2022-05-30 | 2022-08-09 | 马鞍山经纬回转支承有限公司 | High-bearing impact-resistant slewing bearing for mining machinery |
| CN114876961B (en) * | 2022-05-30 | 2023-01-03 | 马鞍山经纬回转支承有限公司 | Impact-resistant slewing bearing for mining machinery |
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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 |
Granted publication date: 20150107 Termination date: 20160816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |