Normal-temperature circulating oil lubricating bearing
阅读说明:本技术 一种常温循环油润滑轴承 (Normal-temperature circulating oil lubricating bearing ) 是由 张婷 于 2019-09-27 设计创作,主要内容包括:本发明公开了一种常温循环油润滑轴承,包括内圈、外圈、支承体、挤压轨道和泵油机构,支承体包括保持架、保持盖环和滚动体,滚动体设有中心通孔和分散孔,挤压轨道设有倾斜面结构,泵油机构包括泵油环、油泵封盖、第一单向弹性活塞和第二单向弹性活塞,泵油环上设有圆环凹槽和圆柱凹槽,油泵封盖与圆环凹槽和圆柱凹槽形成有储油腔室和活塞腔室,第一单向弹性活塞和第二单向弹性活塞分别对应设于每个活塞腔室内,且第一单向弹性活塞与第二单向弹性活塞相互间隔分布;本发明可以实现循环对滚动体、内圈和外圈进行冷却和润滑,无需人工临时添加润滑油,省时省力,节约成本,且润滑油不会散落,更环保。(The invention discloses a normal-temperature circulating oil lubricating bearing, which comprises an inner ring, an outer ring, a supporting body, an extrusion track and an oil pumping mechanism, wherein the supporting body comprises a retainer, a retaining cover ring and a rolling body, the rolling body is provided with a central through hole and a dispersion hole, the extrusion track is provided with an inclined surface structure, the oil pumping mechanism comprises an oil pumping ring, an oil pumping sealing cover, a first one-way elastic piston and a second one-way elastic piston, the oil pumping ring is provided with a circular groove and a cylindrical groove, the oil pumping sealing cover, the circular groove and the cylindrical groove form an oil storage chamber and a piston chamber, the first one-way elastic piston and the second one-way elastic piston are respectively and correspondingly arranged in each piston chamber, and the first one-way elastic piston and the second one-way elastic piston are mutually; the invention can realize the cooling and lubrication of the rolling body, the inner ring and the outer ring in a circulating way, does not need to add lubricating oil temporarily, saves time and labor, saves cost, can not scatter lubricating oil, and is more environment-friendly.)
1. The normal-temperature circulating oil lubricating bearing is characterized by comprising an inner ring (1), an outer ring (2), a supporting body (3), two extrusion tracks (4) symmetrically arranged on two sides of the outer ring (2) and two oil pumping mechanisms (5) symmetrically arranged on two sides of the supporting body (3) respectively;
the supporting body (3) is arranged between the inner ring (1) and the outer ring (2), the supporting body (3) comprises a retainer (31), a retainer cover ring (32) and a plurality of rolling bodies (33), the plurality of rolling bodies (33) are respectively embedded in the retainer (31) at equal intervals, the retainer cover ring (32) is fixed on one side of the retainer (31) to enable the plurality of rolling bodies (33) to be movably limited in the retainer (31), the outer ring walls of the plurality of rolling bodies (33) are respectively abutted between the inner ring (1) and the outer ring (2), the rolling bodies (33) are provided with a central through hole (331) and a plurality of dispersion holes (332) communicated with the central through hole (331), and the retainer (31) and the retainer cover ring (32) are respectively provided with first through holes communicated with the central through hole (331) corresponding to each rolling body (33), the retainer (31) is in sealing fit with the inner ring (1) and the outer ring (2) respectively, and the retaining cover ring (32) is in sealing fit with the inner ring (1) and the outer ring (2) respectively;
one side of each of the two extrusion tracks (4) is correspondingly fixed on two sides of the outer ring (2), the other side of each of the two extrusion tracks (4) is of an inclined surface structure, and the two extrusion tracks (4) are correspondingly coated with the two oil pumping mechanisms (5) respectively;
the oil pumping mechanism (5) comprises an oil pumping ring (51), an oil pumping sealing cover (52), a plurality of first one-way elastic pistons (53) and a plurality of second one-way elastic pistons (54), wherein the oil pumping ring (51) is provided with a circular ring groove (511) and a plurality of cylindrical grooves (512) which are arranged at equal intervals corresponding to each first one-way elastic piston (53) and each second one-way elastic piston (54), the oil pumping sealing cover (52) covers the oil pumping ring (51) and is respectively formed with the circular ring groove (511) and the plurality of cylindrical grooves (512) to form an oil storage chamber (M) and a plurality of piston chambers (N), the plurality of first one-way elastic pistons (53) and the plurality of second one-way elastic pistons (54) are respectively and correspondingly arranged in each piston chamber (N), and the first one-way elastic pistons (53) and the second one-way elastic pistons (54) are mutually distributed at intervals, the first one-way elastic piston (53) or the second one-way elastic piston (54) divides the piston chamber (N) into an upper chamber and a lower chamber, the valve core of the first one-way elastic piston (53) is positioned in the lower cavity, the valve core of the second one-way elastic piston (54) is positioned in the upper cavity, a second through hole (513) is arranged on the pump oil ring (51) corresponding to each piston chamber (N), the second via hole (513) communicates the upper chamber and the oil storage chamber (M), one end of the first one-way elastic piston (53) or the second one-way elastic piston (54) passes through the oil pump sealing cover (52) and then abuts against the other side of the extrusion track (4), the oil pumping ring (51) is provided with an oil hole (514) corresponding to each piston chamber (N), the oilhole (514) and the cavity of resorption intercommunication, oilhole (514) stretch into in the first through-hole.
2. The normal-temperature circulating oil lubricating bearing of claim 1, wherein the first one-way elastic piston (53) comprises a first piston disc (531), a first piston rod (532), a first return spring (533), a first contact head (534), a first one-way valve core (535), and a second return spring (536), the first piston disc (531) is provided with a first piston port, one end of the first piston rod (532) movably passes through the oil pump seal cover (52), the first contact head (534) is fixed at one end of the first piston rod (532) and abuts against the extrusion track (4), the other end of the first piston rod (532) is fixedly connected to the first piston disc (531), the first return spring (533) is sleeved on the first piston rod (532), and two ends of the first return spring (533) respectively abut against the first contact head (534) and the oil pump seal cover (52), the oil pump sealing cover is characterized in that a first blind hole is formed in the first piston disc (531), the first blind hole extends into the first piston rod (532), one end of the first one-way valve core (535) movably extends into the first blind hole, the first one-way valve core (535) is located on one side, away from the oil pump sealing cover (52), of the first piston disc (531), the second return spring (536) is arranged in the first blind hole, and two ends of the second return spring (536) are connected to the first piston rod (532) and the first one-way valve core (535) respectively.
3. The normal-temperature circulating oil lubricating bearing of claim 1, wherein the second one-way elastic piston (54) comprises a second piston disc (541), a second piston rod (542), a third return spring (543), a second contact head (544), a second one-way valve core (545) and a fourth return spring (546), the second piston disc (541) is provided with a second piston port, one end of the second piston rod (542) movably penetrates through the oil pump cover (52), the second contact head (544) is fixed at one end of the second piston rod (542) and abuts against the extrusion track (4), the other end of the second piston rod (542) is fixedly connected to the second piston disc (541), the third return spring (543) is sleeved on the second piston rod (542), and two ends of the third return spring (543) respectively abut against the second contact head (544) and the oil pump cover (52), the second one-way valve core (545) is sleeved at the other end of the second piston rod (542), the second one-way valve core (545) is positioned on one side, close to the oil pump sealing cover (52), of the second piston disc (541), a limiting boss (5421) is further arranged at the other end of the second piston rod (542), the fourth return spring (546) is sleeved at the other end of the second piston rod (542), and two ends of the fourth return spring are respectively abutted against the limiting boss (5421) and the second one-way valve core (545).
4. A room temperature circulating oil lubricated bearing according to claim 1, wherein the cage (31) and the cage cover ring (32) are each sealingly engaged with the inner ring (1) and the outer ring (2) by a seal ring (34).
5. A room temperature circulating oil lubricated bearing according to claim 1, wherein the cage (31) and the cage cover ring (32) are each sealingly engaged with the inner ring (1) and the outer ring (2) by a seal ring (34).
Technical Field
The invention relates to a normal-temperature circulating oil lubricating bearing.
Background
The existing lubrication and cooling of the bearing are usually performed by temporarily adding lubricating oil manually, which wastes time and labor, and the lubricating oil can scatter everywhere to pollute the working environment.
Disclosure of Invention
The invention aims to overcome the defects and provide a normal-temperature circulating oil lubricating bearing.
In order to achieve the purpose, the invention adopts the following specific scheme:
a normal-temperature circulating oil lubricating bearing comprises an inner ring, an outer ring, a supporting body, two extrusion tracks symmetrically arranged on two sides of the outer ring and two oil pumping mechanisms symmetrically arranged on two sides of the supporting body respectively;
the bearing body is arranged between the inner ring and the outer ring and comprises a retainer, a retaining cover ring and a plurality of rolling bodies, the plurality of rolling bodies are respectively embedded in the retainer at equal intervals, the retaining cover ring is fixed on one side of the retainer to enable the plurality of rolling bodies to be movably limited in the retainer, the outer ring walls of the plurality of rolling bodies are respectively abutted between the inner ring and the outer ring, the rolling bodies are provided with a central through hole and a plurality of dispersion holes communicated with the central through hole, first through holes communicated with the central through hole are respectively arranged on the retainer and the retaining cover ring corresponding to each rolling body, the retainer is respectively in sealing fit with the inner ring and the outer ring, and the retaining cover ring is respectively in sealing fit with the inner ring and the outer ring;
one side of each of the two extrusion tracks is correspondingly fixed on two sides of the outer ring, the other side of each of the two extrusion tracks is of an inclined surface structure, and the two extrusion tracks are correspondingly coated with the two oil pumping mechanisms respectively;
the oil pumping mechanism comprises an oil pumping ring, an oil pump sealing cover, a plurality of first one-way elastic pistons and a plurality of second one-way elastic pistons, wherein the oil pumping ring is provided with a circular ring groove and a plurality of cylinder grooves which are arranged at equal intervals corresponding to each first one-way elastic piston and each second one-way elastic piston, the oil pump sealing cover is covered on the oil pumping ring and is respectively formed with an oil storage chamber and a plurality of piston chambers corresponding to the circular ring groove and the plurality of cylinder grooves, the plurality of first one-way elastic pistons and the plurality of second one-way elastic pistons are respectively arranged in each piston chamber correspondingly, the first one-way elastic pistons and the second one-way elastic pistons are mutually distributed at intervals, the piston chambers are separated into an upper chamber and a lower chamber by the first one-way elastic pistons or the second one-way elastic pistons, and the valve core of the first one-way elastic pistons is positioned in the lower chamber, the case of the one-way elastic piston of second is located go up the intracavity, correspond every on the pump oil ring the piston cavity is equipped with the second via hole, second via hole intercommunication the epicoele with the oil storage cavity, the one end of the one-way elastic piston of first one-way elastic piston or second is passed behind the oil pump closing cap with the orbital opposite side butt of extrusion, the pump oil ring corresponds every the piston cavity is equipped with the oilhole, oilhole and cavity of resorption intercommunication, the oilhole stretches into in the first mistake is downthehole.
Wherein the first one-way elastic piston comprises a first piston disc, a first piston rod, a first reset spring, a first contact head, a first one-way valve core and a second reset spring, the first piston disc is provided with a first piston port, one end of the first piston rod movably penetrates through the oil pump seal cover, the first contact head is fixed at one end of the first piston rod and is abutted against the extrusion track, the other end of the first piston rod is fixedly connected to the first piston disc, the first reset spring is sleeved on the first piston rod, two ends of the first reset spring are respectively abutted against the first contact head and the oil pump seal cover, the first piston disc is provided with a first blind hole, the first blind hole extends into the first piston rod, one end of the first one-way valve core movably extends into the first blind hole, and the first one-way valve core is positioned at one side of the first piston disc far away from the oil pump seal cover, the second reset spring is arranged in the first blind hole, and two ends of the second reset spring are respectively connected to the first piston rod and the first one-way valve core.
Wherein the second unidirectional elastic piston comprises a second piston disc, a second piston rod, a third return spring, a second contact head, a second unidirectional valve core and a fourth return spring, the second piston disc is provided with a second piston port, one end of the second piston rod movably penetrates through the oil pump sealing cover, the second contact head is fixed at one end of the second piston rod and is abutted against the extrusion track, the other end of the second piston rod is fixedly connected to the second piston disc, the third return spring is sleeved on the second piston rod, two ends of the third return spring are respectively abutted against the second contact head and the oil pump sealing cover, the second unidirectional valve core is sleeved at the other end of the second piston rod, the second unidirectional valve core is positioned at one side of the second piston disc close to the oil pump sealing cover, the other end of the second piston rod is also provided with a limit boss, and the fourth return spring is sleeved at the other end of the second piston rod, and two ends of the first check valve core are respectively propped against the limiting lug boss and the second check valve core.
The retainer and the retaining cover ring are respectively in sealing fit with the inner ring and the outer ring through sealing rings.
The invention has the beneficial effects that: compared with the prior art, the two oil pumping mechanisms are symmetrically arranged on two sides of the supporting body, the first one-way elastic piston and the second one-way elastic piston are distributed on each oil pumping mechanism at intervals, and then the oil pumping mechanisms can be in an oil pumping state and an oil absorption state simultaneously under the matching of the inclined plane structure of the extrusion track, so that the balance of lubricating oil in the oil storage cavity can be ensured, the rolling body, the inner ring and the outer ring can be cooled and lubricated circularly, the lubricating oil does not need to be added manually temporarily, time and labor are saved, the cost is saved, and the lubricating oil cannot scatter and is more environment-friendly.
Drawings
FIG. 1 is a schematic structural diagram of a bearing provided by an embodiment of the present invention;
FIG. 2 is an exploded schematic view of a bearing provided by an embodiment of the present invention;
FIG. 3 is a top view of a bearing provided by an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic structural diagram of an oil pumping mechanism provided in an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of another perspective of an oil pumping mechanism provided in an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a first unidirectional resilient piston provided in accordance with an embodiment of the present invention;
FIG. 9 is a cross-sectional view of a first unidirectional resilient piston provided in accordance with an embodiment of the present invention;
FIG. 10 is a schematic structural view of a second unidirectional resilient piston provided in accordance with an embodiment of the present invention;
FIG. 11 is a cross-sectional view of a second unidirectional resilient piston provided in accordance with an embodiment of the present invention;
FIG. 12 is a schematic structural view of a pump oil ring provided in an embodiment of the present invention;
FIG. 13 is a schematic structural view of another perspective of an oil ring for a pump according to an embodiment of the present invention;
FIG. 14 is a schematic structural view of a support provided in accordance with an embodiment of the present invention;
FIG. 15 is an exploded view of a support provided in accordance with an embodiment of the present invention;
FIG. 16 is a schematic structural view of a rolling element provided in an embodiment of the present invention;
FIG. 17 is a schematic structural diagram of a cage according to an embodiment of the present invention;
FIG. 18 is a schematic structural diagram of an extrusion track provided in accordance with an embodiment of the present invention;
description of reference numerals: 1-inner ring; 2-outer ring; 3-a support; 31-a cage; 32-a retaining cover ring; 33-rolling elements; 331-central through hole; 332-discrete holes; 34-a sealing ring; 4-extruding the rail; 5-oil pumping mechanism; 51-pump oil ring; 511-circular groove; 512-cylindrical grooves; 513 — a second via; 514-oil hole; 52-oil pump cover; 53-a first unidirectional elastomeric piston; 531-first piston disc; 532-a first piston rod; 533-a first return spring; 534-first contact; 535-first one-way valve core; 536-a second return spring; 54-a second unidirectional resilient piston; 541-a second piston disc; 542-a second piston rod; 5421-limit boss; 543-a third return spring; 544-a second contact; 545-a second one-way valve spool; 546-a fourth return spring; m-an oil storage chamber; an N-piston chamber.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
As shown in fig. 1 to 18, the normal temperature circulating oil lubricated bearing according to the present embodiment includes an
Specifically, the number of the
therefore, when the first unidirectional
in summary, when the first one-way
This embodiment sets up two
Based on the above embodiments, as shown in fig. 8 and 9, the first unidirectional
Based on the above embodiments, as shown in fig. 10 and 11, the second unidirectional
Based on the above embodiments, as shown in fig. 14 and 15, the
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
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