CN217421888U - Light-load cylindrical roller bearing - Google Patents

Abstract

The utility model discloses a light load type cylindrical roller bearing relates to the bearing, including outer lasso and inner race ring, be provided with the holder between outer lasso and the inner race ring, the holder adopts the nylon materials to make, is provided with a plurality of rolling elements on the holder, and the holder includes that collet and detachably install the top cap at the collet top, has seted up a plurality of pocket holes on the collet lateral wall, and first mounting hole has been seted up to pocket hole bottom, and the second mounting hole that matches with first mounting hole is seted up to the top cap bottom, is connected with the pivot that both ends were used for inserting first mounting hole, second mounting hole inside respectively on the rolling element. The utility model has the advantages that: the utility model discloses matter is light and longe-lived, when the rolling element damages, only needs to pull down the top cap from the collet to open the pocket hole, then can directly take out the rolling element that damages from the pocket is downthehole, change again newly, the dismouting operation is comparatively simple, has promoted the durability of bearing greatly.

Description

Light-load cylindrical roller bearing

Technical Field

The utility model relates to a bearing technical field specifically is light load type cylindrical roller bearing.

Background

The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body. The cylindrical roller bearing is one of bearings, a rolling body of the cylindrical roller bearing is a cylindrical roller, the cylindrical roller is in line contact with a raceway, and the radial load capacity is high.

At present, cylindrical roller bearing is usually by the outer race, the inner race, cylindrical roller and holder are constituteed, a plurality of pocket holes have been seted up on the holder, cylindrical roller all sets up downthehole and can roll at the pocket downthehole, and cylindrical roller can appear wearing and tearing after long-term the use, influence the normal use of bearing, and because current cylindrical roller bearing's holder all is integrated into one piece, then hardly follow the holder with the cylindrical roller who damages and dismantle, lead to whole bearing to scrap, and the durability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at just can carry out the dismouting to the rolling element and change in the light load type cylindrical roller bearing who provides for solving foretell problem, and the durability is better.

The utility model discloses a following technical scheme realizes above-mentioned purpose, underloading type cylindrical roller bearing, including outer lasso and inner race, be provided with the holder between outer lasso and the inner race, be provided with a plurality of rolling elements on the holder, the holder includes that collet and detachably install the top cap at the collet top, a plurality of pockets hole has been seted up on the collet lateral wall, first mounting hole has been seted up to pocket hole bottom, the second mounting hole that matches with first mounting hole is seted up to the top cap bottom, be connected with the pivot that both ends are used for inserting first mounting hole, second mounting hole inside respectively on the rolling element.

By adopting the technical proposal, as the retainer comprises the bottom support and the top cover which is detachably arranged at the top of the bottom support, a plurality of pockets are arranged on the side wall of the bottom support, a first mounting hole is arranged at the bottom of each pocket, a second mounting hole is arranged at the bottom of the top cover, the rolling bodies may be inserted into the pockets when the rolling bodies are mounted to the cage, such that one end of the rotational shaft is inserted into the first mounting hole to achieve the pre-positioning, then the top cover is arranged on the bottom support, so that the other end of the rotating shaft is inserted into the second mounting hole to realize the mounting, when the rolling body is damaged, the top cover is only required to be detached from the bottom support, thereby open the pocket, then can directly take out the rolling element that damages from the pocket is downthehole, change newly again, the dismouting operation is comparatively simple, the damage of arbitrary rolling element can not influence the use of bearing to the durability of bearing has been promoted greatly.

As the utility model discloses a further setting, the collet top is located adjacently be provided with the fixture block between the pocket hole, the top cap bottom is provided with the draw-in groove that is used for the fixture block card to go into, the through-hole with the draw-in groove intercommunication is seted up at the top cap top, the fixture block top is provided with and is used for inserting the inside screw rod of through-hole, threaded connection has the retaining member on the screw rod.

Through adopting above-mentioned technical scheme, owing to be provided with the fixture block at the collet top, and be provided with the draw-in groove bottom the top cap, then when installing the top cap on the collet, can insert the draw-in groove inside with the fixture block card earlier, owing to seted up the through-hole at the top cap top, and be provided with the screw rod at the fixture block top, then after the draw-in groove is gone into to the fixture block card, the screw rod can insert the through-hole thereupon inside, can twist the retaining member this moment and support tightly until with the through-hole diapire to make the firm installation of top cap on the collet, and the operation is comparatively convenient simple.

As a further setting of the utility model, the retaining member includes the thread bush that matches with the screw rod, the thread bush top is provided with the roof that is used for sealing the through-hole.

Through adopting above-mentioned technical scheme, because the retaining member includes thread bush and sets up the roof at thread bush top, then the accessible is screwed the thread bush and is supported tightly with the through-hole diapire for the through-hole is just sealed to the roof, avoids impurity to get into the through-hole and causes the through-hole to block up.

As a further setting of the utility model, the cross recess has been seted up at the roof top.

Through adopting above-mentioned technical scheme, owing to seted up the cross recess at the roof top, then when the dismouting retaining member, can insert the inside rotation of cross recess with the cross screwdriver, then the setting of cross recess can provide the point of application of force for the operation of rotating the retaining member to make the operation become more light laborsaving.

As a further setting of the utility model, the fixture block top sets up resilient gasket.

Through adopting above-mentioned technical scheme, owing to set up the elastic gasket at the fixture block top, then after installing the collet with the top cap, because the draw-in groove is gone into to the fixture block card to can produce the extrusion to the elastic gasket, then elastic gasket pressurized can take place elastic deformation thereupon, thereby make the threaded connection of screw rod and retaining member more firm, effectively promoted the installation fastness of top cap on the collet.

As a further arrangement of the present invention, the holder is made of nylon material.

Through adopting above-mentioned technical scheme, because the holder adopts the nylon materials to make, the nylon materials quality is light and intensity is high for holder structural strength is high, and can effectively prolong the life of bearing.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses matter is light and longe-lived, because the holder includes collet and detachably installs the top cap at the collet top, then when the rolling element damages, only need pull down the top cap from the collet to open the pocket hole, then can directly take out the rolling element that damages from the pocket downthehole, change again and get new, the dismouting operation is comparatively simple, the damage of arbitrary rolling element can not influence the use of bearing, thereby has promoted the durability of bearing greatly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a half-sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a first schematic structural view of the present invention after removing the outer ferrule and the inner ferrule;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

FIG. 6 is a second schematic structural view of the present invention after removing the outer and inner races;

fig. 7 is a schematic structural view of the locking member of the present invention.

Reference numerals: 1. an outer ferrule; 2. an inner race; 3. a holder; 31. a bottom support; 32. a top cover; 4. a rolling body; 5. a pocket hole; 6. a first mounting hole; 7. a second mounting hole; 8. a rotating shaft; 9. a clamping block; 10. a card slot; 11. a through hole; 12. a screw; 13. a locking member; 131. a threaded sleeve; 132. a top plate; 14. a cross-shaped groove; 15. an elastic pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1, fig. 4, and fig. 6, the light-load cylindrical roller bearing includes an outer race 1 and an inner race 2, a holder 3 is disposed between the outer race 1 and the inner race 2, the holder 3 is made of nylon material, and a plurality of rolling elements 4 are disposed on the holder 3, the holder 3 includes a bottom support 31 and a top cover 32 detachably mounted on the top of the bottom support 31, a plurality of pockets 5 are disposed on the sidewall of the bottom support 31, a first mounting hole 6 is disposed at the bottom of the pocket 5, a second mounting hole 7 matched with the first mounting hole 6 is disposed at the bottom of the top cover 32, and the rolling elements 4 are connected with a rotating shaft 8, two ends of which are respectively inserted into the first mounting hole 6 and the second mounting hole 7.

Referring to fig. 1 to 7, a clamping block 9 is disposed between adjacent pockets 5 at the top of the bottom support 31, an elastic gasket 15 is disposed at the top of the clamping block 9, a slot 10 for clamping the clamping block 9 is disposed at the bottom of the top cover 32, a through hole 11 communicating with the slot 10 is disposed at the top of the top cover 32, a screw 12 for inserting into the through hole 11 is disposed at the top of the clamping block 9, a locking member 13 is threadedly connected to the screw 12, wherein the locking member 13 includes a threaded sleeve 131 matching with the screw 12, a top plate 132 for sealing the through hole 11 is disposed at the top of the threaded sleeve 131, and a cross-shaped groove 14 is disposed at the top of the top plate 132.

Because the retainer 3 comprises a bottom support 31 and a top cover 32 detachably arranged on the top of the bottom support 31, a plurality of pockets 5 are arranged on the side wall of the bottom support 31, a first mounting hole 6 is arranged at the bottom of each pocket 5, and a second mounting hole 7 is arranged at the bottom of the top cover 32, when the rolling elements 4 are arranged on the retainer 3, the rolling elements 4 can be inserted into the pockets 5, so that one end of the rotating shaft 8 is inserted into the first mounting hole 6 to realize prepositioning, then the top cover 32 is arranged on the bottom support 31, so that the other end of the rotating shaft 8 is inserted into the second mounting hole 7 to realize mounting, when the rolling elements 4 are damaged, the top cover 32 is only required to be detached from the bottom support 31, so that the pockets 5 are opened, the damaged rolling elements 4 can be directly taken out of the pockets 5, and then replaced by new ones, the dismounting operation is simpler, and the damage of any rolling element 4 can not affect the use of the bearing, thereby greatly improving the durability of the bearing.

Owing to be provided with fixture block 9 at collet 31 top, and be provided with draw-in groove 10 bottom top cap 32, then when installing collet 31 with top cap 32 on, can insert inside draw-in groove 10 with fixture block 9 card earlier, owing to seted up through-hole 11 at top cap 32 top, and be provided with screw rod 12 at fixture block 9 top, then go into draw-in groove 10 back at fixture block 9 card, screw rod 12 can insert through-hole 11 inside thereupon, can twist retaining member 13 this moment until supporting tightly with 11 diapalls of through-hole, thereby make the firm installation of top cap 32 on collet 31, and the operation is comparatively convenient simple.

Because the locking member 13 comprises the threaded sleeve 131 and the top plate 132 arranged at the top of the threaded sleeve 131, the threaded sleeve 131 can be tightly abutted against the bottom wall of the through hole 11 by screwing, so that the through hole 11 is just sealed by the top plate 132, impurities are prevented from entering the through hole 11 and blocking the through hole 11, and because the cross-shaped groove 14 is formed at the top of the top plate 132, when the locking member 13 is disassembled and assembled, a cross screwdriver can be inserted into the cross-shaped groove 14 to rotate, the arrangement of the cross-shaped groove 14 can provide a force application point for the operation of rotating the locking member 13, so that the operation becomes easier and more labor-saving, and because the elastic gasket 15 is arranged at the top of the fixture block 9, after the top cover 32 is installed on the bottom support 31, because the fixture block 9 is clamped into the clamping groove 10, the elastic gasket 15 is extruded, the elastic deformation can be generated along with the compression of the elastic gasket 15, so that the threaded connection between the screw 12 and the locking member 13 is firmer, the mounting firmness of the top cover 32 on the bottom support 31 is effectively improved.

Because the retainer 3 is made of nylon materials, the nylon materials are light in weight and high in strength, so that the structural strength of the retainer 3 is high, and the service life of the bearing can be effectively prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims (6)

1. Light-duty type cylindrical roller bearing, including outer lasso (1) and inner race (2), be provided with holder (3) between outer lasso (1) and inner race (2), be provided with a plurality of rolling elements (4) on holder (3), its characterized in that: holder (3) include collet (31) and detachably install top cap (32) at collet (31) top, a plurality of pockets (5) have been seted up on collet (31) lateral wall, first mounting hole (6) have been seted up to pocket (5) bottom, second mounting hole (7) that match with first mounting hole (6) have been seted up to top cap (32) bottom, be connected with both ends on rolling element (4) and be used for inserting first mounting hole (6), inside pivot (8) of second mounting hole (7) respectively.

2. The light-duty cylindrical roller bearing according to claim 1, characterized in that: collet (31) top is located adjacently be provided with fixture block (9) between pocket (5), top cap (32) bottom is provided with draw-in groove (10) that are used for fixture block (9) card to go into, through-hole (11) with draw-in groove (10) intercommunication are seted up at top cap (32) top, fixture block (9) top is provided with screw rod (12) that are used for inserting through-hole (11) inside, threaded connection has retaining member (13) on screw rod (12).

3. The light-load cylindrical roller bearing according to claim 2, characterized in that: retaining member (13) include with screw rod (12) matching thread bush (131), thread bush (131) top is provided with roof (132) that are used for sealing through-hole (11).

4. The light-load cylindrical roller bearing according to claim 3, characterized in that: the top of the top plate (132) is provided with a cross-shaped groove (14).

5. The light-load cylindrical roller bearing according to claim 2, characterized in that: and an elastic gasket (15) is arranged at the top of the clamping block (9).

6. The light-load cylindrical roller bearing according to claim 1, characterized in that: the retainer (3) is made of nylon materials.

Images