CN204628283U - Double-row conical bearing - Google Patents
Double-row conical bearing Download PDFInfo
- Publication number
- CN204628283U CN204628283U CN201520278300.6U CN201520278300U CN204628283U CN 204628283 U CN204628283 U CN 204628283U CN 201520278300 U CN201520278300 U CN 201520278300U CN 204628283 U CN204628283 U CN 204628283U
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- CN
- China
- Prior art keywords
- fixing pin
- bearing
- double
- row conical
- rolling body
- Prior art date
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
- F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/385—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
- F16C19/386—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a kind of double-row conical bearing.It solve existing double-row conical bearing lubricant oil and add the technical problems such as inconvenience.Comprise bearing outer ring, two bearing inner races, rolling body, in the middle part of bearing outer ring, outer circumferential is provided with annular groove, annular groove is provided with the mounting hole of some through-shaft bearing outer-rings, be provided with the fixing pin running through whole mounting hole by mounting structure in mounting hole, fixing pin is in the hollow structure of the inner chamber had for depositing lubricant oil, and fixing pin the inner close and this end extends to bearing outer ring week to the inside, fixing pin outer end is uncovered, be provided with in the inner outer circumferential of fixing pin some towards rolling body and with the liquid outlet opening of intracavity inter-connection, and in fixing pin, be provided with the fluid control mechanism that liquid lubricant can be made in liquid outlet opening to be injected into rolling body.Advantage is: structure is simple, and lubricant oil adds convenient, can carry out the accurate interpolation of lubricant oil; High lubricating effect, not easily there is petrol starvation in bearing.
Description
Technical field
The utility model belongs to technical field of automobile, particularly relates to a kind of double-row conical bearing.
Background technique
Double-row conical bearing structure is by inner ring, outer ring, middle spacer ring, tapered roller and retainer composition, double-row conical bearing is used in automobile widely, the fields such as milling train, because bearing is often operated in impact, high temperature, at a high speed, under the bad working environments conditions such as heavy duty, very easily there is bearing seal deleterious, the phenomenon of oil leak, but existing double-row conical bearing also exists in use: poor stability, lubricant oil adds inconvenience, portion requiring lubrication cannot be carried out and accurately add lubrication wet goods problem, these problems all significantly limit the use of existing double-row conical bearing.
In order to solve prior art Problems existing, people have carried out long-term exploration, propose solution miscellaneous.Such as, Chinese patent literature discloses a kind of double-row tapered roller bearing of rolling mill based on integral type outer race, [application number: 200810230217.6], comprises inner ring, biserial raceway outer ring, middle spacer ring, tapered roller and retainer; Have an arc groove in the middle part of the outer ring outer wall of biserial raceway of double-row conical bearing, have the oil hole pointing to the center of circle, outer ring in arc groove, the quantity of oil hole is 4-6.
Above-mentioned scheme improves the subproblem of prior art to a certain extent, but the program also at least exists following defect: poor stability, and lubricant oil adds inconvenience, cannot accomplish the accurate of position when lubricant oil adds.
Summary of the invention
The purpose of this utility model is for the problems referred to above, and provide a kind of design more reasonable, lubricant oil adds double-row conical bearing easily.
For achieving the above object, the utility model have employed following technical proposal: this double-row conical bearing, comprise bearing outer ring, be respectively equipped with two described bearing outer ring week to the inside symmetrically and the bearing inner race be all obliquely installed, rolling body is equipped with between described bearing inner race and bearing outer ring, it is characterized in that, in the middle part of described bearing outer ring, outer circumferential is provided with and caves inward and annular groove between two bearing inner races, described annular groove is provided with the mounting hole of some through-shaft bearing outer-rings, be provided with the fixing pin running through whole mounting hole by mounting structure in mounting hole, described fixing pin is in the hollow structure of the inner chamber had for depositing lubricant oil, and described fixing pin the inner closes and this end extends to bearing outer ring week to the inside, described fixing pin outer end is uncovered, be provided with in the inner outer circumferential of fixing pin some towards rolling body and with the liquid outlet opening of intracavity inter-connection, and in described fixing pin, be provided with the fluid control mechanism that liquid lubricant can be made in liquid outlet opening to be injected into rolling body.Namely make lubricant oil be injected into rolling body in liquid outlet opening by fluid control mechanism thus realize the accurate interpolation of lubricant oil, and adding conveniently.
In above-mentioned double-row conical bearing, described fluid control mechanism comprises the piston body be slidably arranged in fixing pin, described piston body outer circumferential and fixing pin inner circumferential wall are mutually against setting, and described piston body is provided with the driven unit that energy driven plunger body reciprocatingly slides in fixing pin.Namely realize the slip of piston body by driven unit thus lubricant oil is sprayed from liquid outlet opening.
In above-mentioned double-row conical bearing, described driven unit comprises and being arranged in fixing pin and the pull bar be connected with piston body, and described pull bar extends to outside fixing pin.Namely by axial push-and-pull pull bar, piston body is slided.
As another preferred version, in above-mentioned double-row conical bearing, described driven unit comprises and being arranged in fixing pin and the driveshaft be connected with piston body, described driveshaft outer circumferential has outside thread, described fixing pin week has the internal thread matched with outside thread to the inside, and described driveshaft is connected with fixing pin screw thread.Namely by circumferential rotation of drive rod, piston body is moved.
In above-mentioned double-row conical bearing, the quantity of described liquid outlet opening is four, and two are one group and often organize corresponding mutually setting.
In above-mentioned double-row conical bearing, described mounting structure comprises the installation internal thread be arranged in mounting hole, and described fixing pin outer circumferential is provided with and the installation outside thread installed internal thread and match, and described fixing pin is connected with mounting hole screw thread.
In above-mentioned double-row conical bearing, described bearing inner race is provided with near the outer circumferential, one end of fixing pin and is positioned at rolling body one end week annular oil storage tank to the inside, and described bearing inner race the other end outer circumferential is provided with and is positioned at rolling body the other end week annular oil storage hole to the inside.Annular oil storage tank, for storing lubricant oil, prevents bearing from occurring petrol starvation.
In above-mentioned double-row conical bearing, the quantity of described mounting hole is two and corresponding setting mutually respectively.
In above-mentioned double-row conical bearing, described rolling body is symmetrically set, and each rolling body is all obliquely installed towards fixing pin.
In above-mentioned double-row conical bearing, described bearing inner race outer end has the limited step leant with rolling body.
Compared with prior art, the advantage of this double-row conical bearing is: 1, design is more reasonable, and structure is simple, and lubricant oil adds convenient, can carry out the accurate interpolation of lubricant oil; 2, high lubricating effect, not easily there is petrol starvation in bearing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment one that the utility model provides.
Fig. 2 is the enlarged view at A place in Fig. 1.
Fig. 3 is the partial structurtes schematic diagram of the embodiment two that the utility model provides.
In figure, bearing outer ring 1, annular groove 11, mounting hole 12, installation internal thread 121, bearing inner race 2, annular oil storage tank 21, annular oil storage hole 22, limited step 23, rolling body 3, fixing pin 4, inner chamber 41, liquid outlet opening 42, installation outside thread 43, fluid control mechanism 5, piston body 51, pull bar 52, driveshaft 53, outside thread 54, internal thread 55.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Embodiment one
As shown in Figure 1-2, this double-row conical bearing, comprise bearing outer ring 1, bearing outer ring is respectively equipped with two for 1 week symmetrically and the bearing inner race 2 be all obliquely installed to the inside, rolling body 3 is equipped with between bearing inner race 2 and bearing outer ring 1, in the middle part of bearing outer ring 1, outer circumferential is provided with and caves inward and annular groove 11 between two bearing inner races 2, annular groove 11 is provided with the mounting hole 12 of some through-shaft bearing outer-rings 1, be provided with the fixing pin 4 running through whole mounting hole 12 by mounting structure in mounting hole 12, fixing pin 4 is in the hollow structure of the inner chamber 41 had for depositing lubricant oil, and fixing pin 4 the inner closes and this end extends to bearing outer ring 1 week to the inside, fixing pin 4 outer end is uncovered, some liquid outlet openings 42 be connected towards rolling body 3 and with inner chamber 41 are provided with in the inner outer circumferential of fixing pin 4, preferably, the quantity of liquid outlet opening 42 is here four, two are one group and often organize corresponding mutually setting, and in fixing pin 4, be provided with the fluid control mechanism 5 that lubricant oil can be made in liquid outlet opening 42 to be injected into rolling body 3, namely make liquid lubricant be injected into rolling body 3 in liquid outlet opening 42 by fluid control mechanism 5 thus realize the accurate interpolation of lubricant oil, and add conveniently.
Particularly, fluid control mechanism 5 in the present embodiment comprises the piston body 51 be slidably arranged in fixing pin 4, piston body 51 outer circumferential and fixing pin 4 inner circumferential wall are mutually against setting, and piston body 51 is provided with the driven unit that energy driven plunger body 51 reciprocatingly slides in fixing pin 4, namely realizes the slip of piston body 51 by driven unit thus is sprayed from liquid outlet opening 42 by lubricant oil.Wherein, driven unit here comprises and being arranged in fixing pin 4 and the pull bar 52 be connected with piston body 51, and pull bar 52 extends to outside fixing pin 4, namely by axial push-and-pull pull bar 52, piston body 51 is slided.
Preferably, the mounting structure in the present embodiment comprises the installation internal thread 121 be arranged in mounting hole 12, and fixing pin 4 outer circumferential is provided with and the installation outside thread 43 installed internal thread 121 and match, and fixing pin 4 is connected with mounting hole 12 screw thread.
Bearing inner race 2 in the present embodiment is provided with near the outer circumferential, one end of fixing pin 4 and is positioned at rolling body 3 one end week annular oil storage tank 21 to the inside, and bearing inner race 2 the other end outer circumferential is provided with and is positioned at rolling body 3 the other end week annular oil storage hole 22 to the inside, so annular oil storage tank 21 is for storing lubricant oil, prevent bearing from occurring petrol starvation, bearing inner race 2 outer end has the limited step 23 leant with rolling body 3.The quantity of the mounting hole 12 in the present embodiment is two and corresponding setting mutually respectively.Wherein, rolling body 3 is here symmetrically set, and each rolling body 3 is all obliquely installed towards fixing pin 4.
Embodiment two
As shown in Figure 3, the structure of the present embodiment, principle and implementation step and embodiment one similar, different place is, driven unit in the present embodiment comprises and being arranged in fixing pin 4 and the driveshaft 53 be connected with piston body 51, driveshaft 53 outer circumferential has outside thread 54, fixing pin has the internal thread 55 matched with outside thread 54 for 4 weeks to the inside, and driveshaft 53 is connected with fixing pin 4 screw thread, namely by circumferential rotation of drive rod 53, piston body 51 is moved.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ bearing outer ring 1, annular groove 11, mounting hole 12, installation internal thread 121, bearing inner race 2, annular oil storage tank 21, annular oil storage hole 22, limited step 23, rolling body 3, fixing pin 4, inner chamber 41, liquid outlet opening 42 herein, install the terms such as outside thread 43, fluid control mechanism 5, piston body 51, pull bar 52, driveshaft 53, outside thread 54, internal thread 55, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (10)
1. a double-row conical bearing, comprise bearing outer ring (1), be respectively equipped with two described bearing outer ring (1) week to the inside symmetrically and the bearing inner race be all obliquely installed (2), rolling body (3) is equipped with between described bearing inner race (2) and bearing outer ring (1), it is characterized in that, described outer circumferential, bearing outer ring (1) middle part is provided with and caves inward and the annular groove (11) be positioned between two bearing inner races (2), described annular groove (11) is provided with the mounting hole (12) of some through-shaft bearing outer-rings (1), be provided with the fixing pin (4) running through whole mounting hole (12) by mounting structure in mounting hole (12), the described hollow structure of fixing pin (4) in the inner chamber had for depositing lubricant oil (41), and described fixing pin (4) the inner close and this end extends to bearing outer ring (1) week to the inside, described fixing pin (4) outer end is uncovered, some liquid outlet openings (42) be connected towards rolling body (3) and with inner chamber (41) are provided with in fixing pin (4) inner outer circumferential, and in described fixing pin (4), be provided with the fluid control mechanism (5) that lubricant oil can be made in liquid outlet opening (42) to be injected into rolling body (3).
2. double-row conical bearing according to claim 1, it is characterized in that, described fluid control mechanism (5) comprises the piston body (51) be slidably arranged in fixing pin (4), described piston body (51) outer circumferential and fixing pin (4) inner circumferential wall are mutually against setting, and described piston body (51) is provided with the driven unit that energy driven plunger body (51) reciprocatingly slides in fixing pin (4).
3. double-row conical bearing according to claim 2, it is characterized in that, described driven unit comprises and being arranged in fixing pin (4) and the pull bar (52) be connected with piston body (51), and described pull bar (52) extends to outside fixing pin (4).
4. double-row conical bearing according to claim 2, it is characterized in that, described driven unit comprises and being arranged in fixing pin (4) and the driveshaft (53) be connected with piston body (51), described driveshaft (53) outer circumferential has outside thread (54), described fixing pin (4) week has the internal thread (55) matched with outside thread (54) to the inside, and described driveshaft (53) is connected with fixing pin (4) screw thread.
5. the double-row conical bearing according to claim 1 or 2 or 3 or 4, is characterized in that, the quantity of described liquid outlet opening (42) is four, and two are one group and often organize corresponding mutually setting.
6. double-row conical bearing according to claim 5, it is characterized in that, described mounting structure comprises the installation internal thread (121) be arranged in mounting hole (12), and described fixing pin (4) outer circumferential is provided with and the installation outside thread (43) installed internal thread (121) and match, and described fixing pin (4) is connected with mounting hole (12) screw thread.
7. double-row conical bearing according to claim 5, it is characterized in that, described bearing inner race (2) is provided with near the outer circumferential, one end of fixing pin (4) and is positioned at rolling body (3) one end week annular oil storage tank (21) to the inside, and described bearing inner race (2) the other end outer circumferential is provided with and is positioned at rolling body (3) the other end week annular oil storage hole (22) to the inside.
8. double-row conical bearing according to claim 1, is characterized in that, the quantity of described mounting hole (12) is two and corresponding setting mutually respectively.
9. double-row conical bearing according to claim 1, is characterized in that, described rolling body (3) is symmetrically set, and each rolling body (3) is all obliquely installed towards fixing pin (4).
10. double-row conical bearing according to claim 9, is characterized in that, described bearing inner race (2) outer end has the limited step (23) leant with rolling body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520278300.6U CN204628283U (en) | 2015-04-30 | 2015-04-30 | Double-row conical bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520278300.6U CN204628283U (en) | 2015-04-30 | 2015-04-30 | Double-row conical bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204628283U true CN204628283U (en) | 2015-09-09 |
Family
ID=54047317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520278300.6U Expired - Fee Related CN204628283U (en) | 2015-04-30 | 2015-04-30 | Double-row conical bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204628283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776115A (en) * | 2015-04-30 | 2015-07-15 | 德清德曼汽车零部件有限公司 | Double-row tapered roller bearing |
-
2015
- 2015-04-30 CN CN201520278300.6U patent/CN204628283U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776115A (en) * | 2015-04-30 | 2015-07-15 | 德清德曼汽车零部件有限公司 | Double-row tapered roller bearing |
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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: 20150909 Termination date: 20160430 |