CN205578529U - Insert bearing with two glib talkers - Google Patents

Abstract

The utility model provides an insert bearing with two glib talkers, which comprises an inner ring and an outer ring, be equipped with the rolling element between inner circle and the outer lane, the outside of rolling element is equipped with sealing device, sealing device includes sealing washer and retaining ring, the top of retaining ring is equipped with the sheet rubber, the sheet rubber links to each other with the inner wall of retaining ring is fixed, the sheet rubber top is close to the outer lane lateral wall, the sealing washer includes the rubber body, skeleton and seal lip, the seal lip is fixed in rubber body bottom, and the seal lip bottom contacts with the inner circle, form confined space between sealing washer and the sealing washer, the outer lane is equipped with first oilhole, the inner circle lateral wall is equipped with the second oilhole, the inner circle is equipped with the passageway, the passageway is perpendicular continuous with the second oilhole, the utility model discloses multiple sealing have, and can fine isolated dust to oil addition that can be convenient lubricates the bearing, has lengthened the life of bearing greatly.

Description

Bearing with spherical outside surface with double oil nozzles

Technical field

This utility model relates to a kind of bearing, particularly to a kind of bearing with spherical outside surface with double oil nozzles.

Background technology

Bearing is to play parts that are fixing and that reduce load coefficient of friction in mechanical transmission course.It may also be said that when other parts exist When producing relative motion each other on axle, it is used for reducing the machine that the coefficient of friction in power transmission process and holding shaft center are fixing Part.In use, frequent pivoting friction so that bearing is very easy to wear damage, so bearing is provided with bearing mostly Oilhole, the convenient lubricant that adds, but owing to the mounting means of bearing is different so that oilhole may be fixed in inside, makes Lubricant must be added the most inconvenient；Furthermore, the environment used due to bearing is mostly severe, has serious dust pollution, at present Bearing on market is generally double-layer seal, and dust easily enters with outer ring gap from back-up ring, and also deposits between sealing ring and inner ring In gap so that dust is easily accessible Bearing inner, affect bearing service life.

Utility model content

In place of the deficiencies in the prior art, this utility model provides a kind of bearing with spherical outside surface with double oil nozzles, and it has multiple Seal, can well completely cut off dust, and can oil addition easily, bearing is lubricated, substantially prolongs bearing Service life.

The technical scheme provided for reaching above-mentioned purpose this utility model is: a kind of bearing with spherical outside surface with double oil nozzles, including Inner ring and outer ring, be provided with rolling element between described inner ring and outer ring, the outside of described rolling element is provided with sealing device, described sealing Device includes that sealing ring and back-up ring, described back-up ring are positioned at outside sealing ring, and described back-up ring is L-shaped, bottom described back-up ring and inner ring Being fixedly linked, the top of described back-up ring is provided with sheet rubber, and described sheet rubber is fixedly linked with the inwall of back-up ring, described sheet rubber top Portion is near outer ring sidewall, and described sealing ring includes that rubber bodies, skeleton and sealing lip, described rubber bodies top are fixedly linked with outer ring, Described sealing lip is fixed on bottom rubber bodies, and contacts with inner ring bottom described sealing lip, described sealing ring and sealing ring it Between formed and seal space, described outer ring is provided with the first oilhole, and described first oilhole connects with sealing space, described inner ring sidewall Being provided with the second oilhole, described inner ring is provided with passage, and described passage connects with sealing space, and described passage is vertical with the second oilhole It is connected.

Further, the inwall of described outer ring is provided with mounting groove, and the top of described rubber bodies is hook-shaped and is installed in mounting groove, The inwall of described rubber bodies is provided with vertical slot, and described skeleton is arranged in vertical slot.

Further, described sealing lip includes epipharynx, middle lip and outer lip, forms the first hollow layer between described epipharynx and middle lip, The second hollow layer is formed between described middle lip and outer lip.

Further, the outer wall of described outer ring is surrounded with the first oil guide groove, and described first oilhole opening is positioned at the first oil guide groove bottom land, The side wall ring of described inner ring is wound with the second oil guide groove, and described second oilhole opening is positioned at the second oil guide groove bottom land.

Further, described rolling element is circular, and described rolling element is cased with retainer, and described retainer guides rolling element to be maintained at In bearing, rolling element is isolated by described retainer with rolling element.

Compared with prior art, have the advantages that

The outside of rolling element the most described in the utility model is provided with sealing device, and described sealing device includes sealing ring and back-up ring, described Back-up ring is positioned at outside sealing ring, and the top of described back-up ring is provided with sheet rubber, and described sheet rubber is fixedly linked with the inwall of back-up ring, institute State sheet rubber top near outer ring sidewall, outside major part dust can be well blocked in by described back-up ring, and set up sheet rubber, After on dust attachment sheet rubber, described sheet rubber is fitted to outer ring sidewall, by bearing seal so that dust is more not easily accessible In bearing.

2. this utility model is provided with double oilhole, for different mounting means, all bearing can easily be added lubricant, reduce Bearing wear damages, and is greatly prolonged the service life of bearing.

Accompanying drawing explanation

Fig. 1 is this utility model structural representation.

Fig. 2 is this utility model sealing device structure enlarged drawing.

Fig. 3 is this utility model ring structure schematic diagram.

The utility model is described in further detail below in conjunction with the accompanying drawings.

Detailed description of the invention

As shown in Figure 1 to Figure 3, a kind of bearing with spherical outside surface with double oil nozzles, including inner ring 1 and outer ring 2, described inner ring 1 And between outer ring 2, it being provided with rolling element 3, described rolling element 3 is circular, and described rolling element 3 is cased with retainer 31, described holding Frame 31 guides rolling element 3 to be maintained in bearing, and rolling element 3 is isolated by described retainer 31 with rolling element 3, described retainer The material of 31 has some strength, and heat conductivity is good, friction factor is little, wearability is good, impact flexibility is strong, density is less and line Swollen coefficient is close with rolling element 3.

The outside of described rolling element 3 is provided with sealing device 4, and described sealing device 4 includes sealing ring 5 and back-up ring 6, described back-up ring 6 are positioned at outside sealing ring 5, and described back-up ring 6 is L-shaped, is fixedly linked with inner ring 1 bottom described back-up ring 6, described back-up ring 6 Top be provided with sheet rubber 61, described sheet rubber 61 is fixedly linked with the inwall of back-up ring 6, and described sheet rubber 61 top is near outward Enclose 2 sidewalls, outside major part dust can be well blocked in by described back-up ring 6, and set up sheet rubber 61, adhere to rubber at dust After on film 61, described sheet rubber 61 is fitted to outer ring 2 sidewall, by bearing seal so that dust is more not easily accessible bearing In.

Described sealing ring 5 includes that rubber bodies 51, skeleton 52 and sealing lip 53, described rubber bodies 51 top fix phase with outer ring 2 Even, described sealing lip 53 is fixed on bottom rubber bodies 51, and contacts with inner ring 1 bottom described sealing lip 53, described close Being formed between seal 5 and sealing ring 5 and seal space 7, the inwall of described outer ring 2 is provided with mounting groove 21, described rubber bodies 51 Top is hook-shaped and is installed in mounting groove 21, and the inwall of described rubber bodies 51 is provided with vertical slot 54, and described skeleton 52 is installed In vertical slot 54, described sealing lip 53 includes epipharynx 55, middle lip 56 and outer lip 57, between described epipharynx 55 and middle lip 56 Forming the first hollow layer 58, form the second hollow layer 59 between described middle lip 56 and outer lip 57, described sealing ring 5 can be by powder Dirt intercepts outside completely, it is to avoid bearing causes abrasion because of dust, extends the service life of bearing.

Described outer ring 2 is provided with the first oilhole 22, and described first oilhole 22 connects, outside described outer ring 2 with sealing space 7 Wall is surrounded with the first oil guide groove 23, and described first oilhole 22 opening is positioned at the first oil guide groove 23 bottom land, and described inner ring 1 sidewall sets Having the second oilhole 11, described inner ring 1 to be provided with passage 12, described passage 12 connects with sealing space 7, described passage 12 with Second oilhole 11 is vertically connected, and the side wall ring of described inner ring 1 is wound with the second oil guide groove 13, and described second oilhole 11 opening is positioned at Second oil guide groove 13 bottom land, described bearing is provided with double oilhole, for different mounting means, all can easily add bearing Lubricant, reduces bearing wear and damages, be greatly prolonged the service life of bearing.

It is last it is noted that above example is only in order to illustrate the technical solution of the utility model and unrestricted, although with reference to relatively This utility model has been described in detail by good embodiment, it will be understood by those within the art that, can be new to this practicality The technical scheme of type is modified or equivalent, and without deviating from the spirit and scope of technical solutions of the utility model, it all should Contain in the middle of right of the present utility model.

Claims (5)

1., with a bearing with spherical outside surface for double oil nozzles, including inner ring and outer ring, between described inner ring and outer ring, it is provided with rolling element, The outside of described rolling element is provided with sealing device, and described sealing device includes that sealing ring and back-up ring, described back-up ring are positioned at outside sealing ring Side, described back-up ring is L-shaped, is fixedly linked with inner ring bottom described back-up ring, it is characterised in that: the top of described back-up ring is provided with rubber Film, described sheet rubber is fixedly linked with the inwall of back-up ring, and described sheet rubber top includes near outer ring sidewall, described sealing ring Rubber bodies, skeleton and sealing lip, described rubber bodies top is fixedly linked with outer ring, and described sealing lip is fixed on bottom rubber bodies, And contacting with inner ring bottom described sealing lip, formed and seal space between described sealing ring and sealing ring, described outer ring is provided with First oilhole, described first oilhole connects with sealing space, and described inner ring sidewall is provided with the second oilhole, and described inner ring is provided with logical Road, described passage connects with sealing space, and described passage and the second oilhole are vertically connected.

Bearing with spherical outside surface with double oil nozzles the most according to claim 1, it is characterised in that: the inwall of described outer ring is provided with Mounting groove, the top of described rubber bodies is hook-shaped and is installed in mounting groove, and the inwall of described rubber bodies is provided with vertical slot, described Skeleton is arranged in vertical slot.

Bearing with spherical outside surface with double oil nozzles the most according to claim 1, it is characterised in that: described sealing lip include epipharynx, Middle lip and outer lip, form the first hollow layer, form the second hollow layer between described middle lip and outer lip between described epipharynx and middle lip.

Bearing with spherical outside surface with double oil nozzles the most according to claim 1, it is characterised in that: the outer wall cincture of described outer ring Having the first oil guide groove, described first oilhole opening to be positioned at the first oil guide groove bottom land, the side wall ring of described inner ring is wound with the second oil guide groove, Described second oilhole opening is positioned at the second oil guide groove bottom land.

Bearing with spherical outside surface with double oil nozzles the most according to claim 1, it is characterised in that: described rolling element is circular, Described rolling element is cased with retainer, and described retainer guides rolling element to be maintained in bearing, and described retainer is by rolling element and rolling Body is isolated.