CN202348962U - High speed sealed integrated bottom roller bearing - Google Patents
High speed sealed integrated bottom roller bearing Download PDFInfo
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- CN202348962U CN202348962U CN2011204920476U CN201120492047U CN202348962U CN 202348962 U CN202348962 U CN 202348962U CN 2011204920476 U CN2011204920476 U CN 2011204920476U CN 201120492047 U CN201120492047 U CN 201120492047U CN 202348962 U CN202348962 U CN 202348962U
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- shaped groove
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Abstract
The utility model discloses a high speed sealed integrated bottom roller bearing which comprises a bearing inner ring, a bearing outer ring, steel balls, a retainer and a dustproof seal ring. A plurality of grooves are arranged on the inner wall of the bearing outer ring, a plurality of grooves are arranged on the outer wall of the bearing inner ring correspondingly, so that a plurality of raceways are formed, each of the raceways clamps a plurality of steel balls which are separated by the retainer at the same intervals, and the plurality of raceways are symmetrically arranged along an axial symmetric line of the bearing direction. The outer wall of the dustproof seal ring closely matches with the outer side of the inner wall of the bearing outer ring, and the inner wall of the dustproof seal ring is in clearance fit with the outer side of the outer wall of the bearing inner ring. According to the technical scheme of the high speed sealed integrated bottom roller bearing, friction resistance can be greatly reduced, rotating speed can be improved, noise can be reduced, grease leakage is prevented, refueling is avoided for a long term, and entering of dust is prevented.
Description
Technical field
The utility model relates to a kind of textile machinery bearing, particularly a kind of high speed sealing one lower Roller bearing.
Background technique
In the existing technology, commonly used lower Roller bearing on the textile manufacturing machine equipment, as shown in Figure 1, by outer ring A, inner ring B and be located at the outer ring and inner ring between needle roller C form.In use, the service behaviour that keeps bearing through frequent interpolation lubricant grease.In general, bearing inner race is installed in the shaft shoulder place on the roller shaft, and the outer ring of bearing is installed on the roller shaft bearing on the equipment.
In the spinstry process; The inventor finds to use existing lower Roller bearing to have following problem: the first, and the bearing both sides do not have sealing mechanism, and total institute is known; Cotton-wool, silk thread, dust etc. are more in spinning and weaving workshops such as spinning; And get into bearing inside easily, cause the needle roller friction factor to increase, influence bearing working life; The second, both sides do not have seal arrangement, cause adding the grease leakiness in the bearing, need frequent fatten, and the fatten operation is difficult for, and the grease of adding can not fully put in place, causes the needle roller dry friction, influences the life-span; The 3rd, because the surface of contact of needle roller is bigger, grease lubrication is insufficient, so can exist the surface friction drag when moving between needle roller and the Internal and external cycle to increase, the bearing rotating speed can't get on; The 4th, needle roller is that face contacts with Internal and external cycle, and friction factor is big, causes noise also big, and then makes operator's working environment very severe.
In view of this, the inventor combines to be engaged in frame bearing research work experience for many years, and the defective of above-mentioned technical field is studied for a long period of time, and this case produces thus.
The model utility content
The purpose of the utility model is to provide a kind of high speed simple in structure, with low cost sealing one lower Roller bearing, can reduce surface friction drag greatly, improves rotating speed, reduce noise, and prevent that grease from revealing, exempting from for a long time to refuel, and prevent that dust from getting into.
To achieve these goals, the technological scheme of the utility model is following:
A kind of high speed sealing one lower Roller bearing.Comprise bearing inner race, bearing outer ring, steel ball, retainer and dust-proof seal ring.The bearing outer ring inwall is provided with many raceway grooves, and bearing inner race outer wall correspondence is provided with many raceway grooves, thereby surrounds many raceways, and every several steel balls of raceway clamping are opened by the retainer equidistant separation between each steel ball, and these many raceways are along bearing shaft symmetrical line direction symmetric arrays.Dust sealing ring outer wall and bearing outer ring inner wall drive fit, dust-proof seal ring inwall and bearing inner race outer exterior wall Spielpassung.
Further, said bearing outer ring inner wall has inverted U-shaped groove, and groove exterior edge face diameter is greater than groove inner end diameter.Said bearing inner race outer exterior wall correspondence has the U-shaped groove, and groove exterior edge face diameter is less than groove inner end diameter.Said dust sealing ring outer wall and inverted U-shaped groove drive fit, dust-proof seal ring inwall be many convex shape and with U-shaped groove Spielpassung.Thereby realize: with regard to bearing outer ring, can the screens that dust-proof seal ring is firm be fixed on the sealing fully that can realize again on the bearing outer ring between dust-proof seal ring and the bearing outer ring; With regard to bearing inner race, can guarantee dust-proof seal ring inwall and bearing inner race outer exterior wall Spielpassung, can realize the multi-level sealing between dust-proof seal ring and the bearing inner race again, further realization exempts to refuel all the life.
Further, said dust-proof seal ring inwall is three convex shape, comprises internal projection near U-shaped groove inner end, protruding and near the outer lug of U-shaped groove exterior edge face near the end of U-shaped bottom portion of groove.Thereby realize better sealing effect guaranteeing not influence under the prerequisite of bearing operation, exempt from all the life to refuel, and cost is comparatively cheap.
Further, the base of said internal projection is parallel and near U-shaped groove inner end; The protruding side in the said end is parallel and near U-shaped groove madial wall, and protruding base, the end is parallel and near the U-shaped bottom portion of groove; The base of said outer lug is parallel and near U-shaped groove exterior edge face.Thereby realize better sealing effect guaranteeing not influence under the prerequisite of bearing operation, exempt from all the life to refuel, with low cost, and can guarantee parts and connect the soundness that cooperates, and be easy to processing.
Further, said many raceways are two raceways.Thereby realize both having saved the bearing cost, can satisfy basically again and bear the radially function of tilting of bottom roll.
Adopt the present technique scheme, the utility model is obtained following useful technique effect:
The first, the bearing both sides are provided with dust-proof seal ring as sealing mechanism, prevent that when not influencing the bearing operation outside dust from getting in the bearing, and dust-proof seal ring are fixing very firm.
The second, unique dust-proof seal ring design can also prevent the grease leakage that bearing is inner, can exempt from for a long time to refuel.
The 3rd, between bearing inner race and outer ring, raceway is set, evenly distributed in raceway have a steel ball, thus by face contact the becoming steel ball of original needle roller by the line that a forms contact, can reduce surface friction drag greatly like this, realize running up of bearing.
The 4th, many designs along bearing shaft symmetrical line direction symmetric arrays raceway also make this bearing can bear radial force to a certain degree, thereby can bear the radially tilting that the fabrication processes middle bottom roller takes place, and then promote textile quality.
The 5th, because oiling is revealed, exempted from for a long time to the fat of draining the oil, and use the steel ball raceway, greatly reduce the noise in the bearing using process.
The 6th, above-mentioned design has promoted life-span of bearing greatly.Be in operation according to measuring and calculating, bearing life has improved more than 3 times.
In order further to explain the technological scheme of the utility model, the utility model is done further detailed description below in conjunction with accompanying drawing and embodiment.
Description of drawings
Fig. 1 is each modular construction schematic representation of existing technology middle bottom roller bearing;
Fig. 2 is the sectional drawing of the utility model along the bearing shaft symmetrical line;
Fig. 3 is a kind of structural representation of the used dust-proof seal ring of the utility model.
Embodiment
Below in conjunction with the enforcement further detailed description of accompanying drawing to the utility model.
As shown in Figure 2, a kind of high speed sealing one lower Roller bearing comprises bearing inner race 1, bearing outer ring 2, steel ball 3, retainer 4 and dust-proof seal ring 5.Bearing outer ring 2 inwalls are provided with many raceway grooves; Bearing inner race 1 outer wall correspondence is provided with many raceway grooves, thereby surrounds many raceways, every several steel balls 3 of raceway clamping; Opened by retainer 4 equidistant separation between each steel ball 3, these many raceways are along bearing shaft symmetrical line direction symmetric arrays.The quantity of steel ball is indefinite, visual size variation.The design of above-mentioned raceway makes this bearing can bear radial force to a certain degree, thereby can bear the radially tilting that the fabrication processes middle bottom roller takes place, and then promotes textile quality.The arrangement of symmetry then be beneficial to bearing and then bottom roll stressed evenly.These many raceways can be two, also can be three, four, are decided by cost, production needs etc.In the present embodiment, as shown in Figure 2, be two raceways, it is along bearing shaft symmetrical line direction symmetric arrays.Thereby realize both having saved the bearing cost, can satisfy basically again and bear the radially function of tilting of bottom roll.
Dust-proof seal ring 5 outer walls and bearing outer ring 2 inner wall drive fits.Friction tight mode can have multiple, as can be bolt, screw, screens is fixed or other existing field in the drive fit technological scheme, repeat no more here.As shown in Figure 2, above-mentioned drive fit is taked to inlay fixing in the present embodiment, and bearing outer ring 2 inner wall have inverted U-shaped groove, and groove exterior edge face diameter is greater than groove inner end diameter, dust-proof seal ring 5 outer walls and inverted U-shaped groove drive fit.Thereby realize and can dust-proof seal ring 5 firm screens be fixed on the bearing outer ring, can realize the sealing fully between dust-proof seal ring and the bearing outer ring again.Dust-proof seal ring 5 outer walls can be pressed into through press machine here, and here groove exterior edge face diameter greater than the design of groove inner end diameter, can convenient aforesaid operations and screens fix.
Dust-proof seal ring 5 inwalls 51 and bearing inner race 1 outer exterior wall Spielpassung.The mode of Spielpassung can have multiple.Like the bearing inner race outer exterior wall can directly be the smooth flat shape, also can be the tongue and groove shape, or concavo-convex wedge shape etc.Like the dust-proof seal ring inwall also can be the smooth flat shape, also can be concaveconvex shape, and the concrete form of concaveconvex shape can also have multiple, as being single concaveconvex shape, also can be many concaveconvex shapes, can be the tongue and groove shape, also can be concavo-convex wedge shape.
As shown in Figure 2, in the present embodiment, bearing inner race 1 outer exterior wall corresponding shaft bearing outer-ring 2 inwalls have the U-shaped groove, and groove exterior edge face diameter is less than groove inner end diameter.Groove exterior edge face diameter is less than the design of groove inner end diameter here, and realization and screens that can convenient present technique scheme be fixed.
Dust-proof seal ring 5 inwalls 51 be many convex shape and with U-shaped groove Spielpassung.Thereby realize guaranteeing dust-proof seal ring inwall and bearing inner race outer exterior wall Spielpassung, can realize the multi-level sealing between dust-proof seal ring and the bearing inner race again, further realization exempts to refuel all the life.Like Fig. 2, shown in Figure 3, these many convex shape are specially three convex shape, comprise internal projection 511 near U-shaped groove inner end, near the end protruding 512 of U-shaped bottom portion of groove with near the outer lug 513 of U-shaped groove exterior edge face.Thereby realize better sealing effect guaranteeing not influence under the prerequisite of bearing operation, exempt from all the life to refuel, and cost is comparatively cheap.
As shown in Figure 3, in the present embodiment, the base of the internal projection 511 of dust-proof seal ring 5 inwalls 51 is parallel and near U-shaped groove inner end.The side at the said end protruding 512 is parallel and near U-shaped groove madial wall, and the base at the end protruding 512 is parallel and near the U-shaped bottom portion of groove.The base of said outer lug 513 is parallel and near U-shaped groove exterior edge face.Thereby realize better sealing effect guaranteeing not influence under the prerequisite of bearing operation, exempt from all the life to refuel, with low cost, and can guarantee parts and connect the soundness that cooperates, and be easy to processing.
In above-mentioned skill scheme, the design of dust-proof seal ring both can be implemented in and prevented when not influencing the bearing operation that outside dust from getting in the bearing, and dust-proof seal ring is fixing very firm, can also prevent that the grease of bearing inside from revealing, and can exempt from for a long time to refuel.Between bearing inner race and outer ring, raceway is set, evenly distributed in raceway have a steel ball, thus by face contact the becoming steel ball of original needle roller by the line that a forms contact, can reduce surface friction drag greatly like this, realize running up of bearing.Many the designs along bearing shaft symmetrical line direction symmetric arrays raceway also make this bearing can bear radial force to a certain degree, thereby can bear the radially tilting that the fabrication processes middle bottom roller takes place, and then promote textile quality.Fat is revealed, is exempted from for a long time to refuel owing to drain the oil, and uses the steel ball raceway, greatly reduces the noise in the bearing using process.In addition, above-mentioned design has promoted life-span of bearing greatly.Be in operation according to measuring and calculating, bearing life has improved more than 3 times.
The specific embodiment that the above is merely the utility model is not the restriction to this case design, and all equivalent variations of doing according to the design key of this case all fall into the protection domain of this case.
Claims (5)
1. a high speed seals the one lower Roller bearing, it is characterized in that: comprise bearing inner race, bearing outer ring, steel ball, retainer and dust-proof seal ring; The bearing outer ring inwall is provided with many raceway grooves, and bearing inner race outer wall correspondence is provided with many raceway grooves, thereby surrounds many raceways, and every several steel balls of raceway clamping are opened by the retainer equidistant separation between each steel ball, and these many raceways are along bearing shaft symmetrical line direction symmetric arrays; Dust sealing ring outer wall and bearing outer ring inner wall drive fit, dust-proof seal ring inwall and bearing inner race outer exterior wall Spielpassung.
2. a kind of high speed sealing one lower Roller bearing as claimed in claim 1, it is characterized in that: said bearing outer ring inner wall has inverted U-shaped groove, and groove exterior edge face diameter is greater than groove inner end diameter; Said bearing inner race outer exterior wall correspondence has the U-shaped groove, and groove exterior edge face diameter is less than groove inner end diameter; Said dust sealing ring outer wall and inverted U-shaped groove drive fit, dust-proof seal ring inwall be many convex shape and with U-shaped groove Spielpassung.
3. a kind of high speed sealing one lower Roller bearing as claimed in claim 2; It is characterized in that: said dust-proof seal ring inwall is three convex shape, comprises internal projection near U-shaped groove inner end, protruding and near the outer lug of U-shaped groove exterior edge face near the end of U-shaped bottom portion of groove.
4. a kind of high speed sealing one lower Roller bearing as claimed in claim 3 is characterized in that:
The base of said internal projection is parallel and near U-shaped groove inner end; The protruding side in the said end is parallel and near U-shaped groove madial wall, and protruding base, the end is parallel and near the U-shaped bottom portion of groove; The base of said outer lug is parallel and near U-shaped groove exterior edge face.
5. like claim 1 or 2 or 3 or 4 described a kind of high speed sealing one lower Roller bearings, it is characterized in that: said many raceways are two raceways.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204920476U CN202348962U (en) | 2011-12-01 | 2011-12-01 | High speed sealed integrated bottom roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204920476U CN202348962U (en) | 2011-12-01 | 2011-12-01 | High speed sealed integrated bottom roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202348962U true CN202348962U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204920476U Expired - Fee Related CN202348962U (en) | 2011-12-01 | 2011-12-01 | High speed sealed integrated bottom roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202348962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518653A (en) * | 2011-12-01 | 2012-06-27 | 浙江博盟精工机械有限公司 | High-speed sealing integrated lower roller bearing |
-
2011
- 2011-12-01 CN CN2011204920476U patent/CN202348962U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518653A (en) * | 2011-12-01 | 2012-06-27 | 浙江博盟精工机械有限公司 | High-speed sealing integrated lower 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: 20120725 Termination date: 20181201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |