CN209245063U - A kind of cylinder roller bearing - Google Patents

Abstract

The utility model discloses a kind of cylinder roller bearings, including a round outer ring, several rollers, two annular edge sealing and two semicircle inner ring, the inner wall of round outer ring is connect with the outer side roll of several rollers, the middle part of several rollers offers circular hole, the both ends of each circular hole are rotatablely connected with two cylinders respectively, several cylinders are respectively symmetrically fixedly installed in the inner wall of two annular edge sealing, a kind of cylinder roller bearing of the utility model, pass through being used cooperatively for two of setting semicircle inner ring, the friction area of semicircle inner ring and other accessories can be reduced when dismantling to cylinder roller bearing, consequently facilitating staff dismantles cylinder roller bearing, by the ball that inside grooves are arranged in, it can reduce the frictional force between cylinder and roller, to extend the service life of cylinder roller bearing.

Description

A kind of cylinder roller bearing

Technical field

The utility model relates to a kind of bearing, in particular to a kind of cylinder roller bearing.

Background technique

Bearing (Bearing) is a kind of important spare part in contemporary mechanical equipment.Its major function is the mechanical rotation of support Swivel, reduces the coefficient of friction in its motion process, and guarantee its rotating accuracy, according to the difference of the friction properties of the moving elements, axis Rolling bearing and sliding bearing two major classes can be divided by holding；Wherein rolling bearing is normalized, seriation, but with sliding bearing phase More larger than its radial dimension, vibration and noise, price is also higher.

But general cylinder roller bearing is when in use, inner ring be it is whole, in disassembly with the friction of other accessories compared with Greatly, therefore be not easy to be dismantled, and in general cylinder roller bearing roller and edge sealing friction it is larger, reduce cylindrical roller The service life of bearing.

Utility model content

The purpose of this utility model is to provide a kind of cylinder roller bearings, to solve mentioned above in the background art one As cylinder roller bearing when in use, inner ring be it is whole, it is larger with the friction of other accessories in disassembly, therefore be not easy to carry out Disassembly, and in general cylinder roller bearing roller and edge sealing friction it is larger, reduce the service life of cylinder roller bearing The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of cylinder roller bearing, including a circle Shape outer ring, several rollers, two annular edge sealing and two semicircle inner ring, the inner wall and several rollers of the circle outer ring The connection of outer side roll, the middle part of several rollers offers circular hole, the both ends of each circular hole respectively with two Cylinder rotation connection, several cylinders are respectively symmetrically fixedly installed in the inner wall of two annular edge sealing, two annular edge sealing Inner ring be arranged and connect with the outer ring of two semicircle inner ring, the top of two annular edge sealing offers the first L shape Slot, the cell wall of two first L-shaped groove sides are fixedly mounted there are two card column, and the bottom end of two annular edge sealing is opened Equipped with the second L-shaped groove, the cell wall of two second L-shaped groove sides offers card hole, two card columns with described in two Card hole one-to-one correspondence is connected together.

As a kind of optimal technical scheme of the utility model, two card columns are all made of with two card holes respectively Interference fit.

As a kind of optimal technical scheme of the utility model, the size phase of the size of the cylinder and the circular hole Match.

As a kind of optimal technical scheme of the utility model, the outer wall of two cylinders equidistantly offers several The inside of groove, several grooves is embedded with ball.

As a kind of optimal technical scheme of the utility model, the circle outer ring and several rollers are all made of high carbon chromium On The Quality of Bearing Steels is made.

Compared with prior art, the utility model has the beneficial effects that a kind of cylinder roller bearing of the utility model, passes through Be arranged two semicircle inner ring are used cooperatively, can be reduced when being dismantled to cylinder roller bearing semicircle inner ring and The friction area of other accessories, consequently facilitating staff dismantles cylinder roller bearing, by being arranged in inside grooves Ball, can reduce the frictional force between cylinder and roller, to extend the service life of cylinder roller bearing.

Detailed description of the invention

Fig. 1 is the utility model positive structure schematic；

Fig. 2 is the semicircle inner ring positive structure schematic of the utility model；

Fig. 3 is the semicircle inner ring side structure schematic view of the utility model；

Fig. 4 is the structural schematic diagram of the utility model；

Fig. 5 is the cylindrical inside structural schematic diagram of the utility model.

In figure: 1, round outer ring；2, roller；3, annular edge sealing；4, semicircle inner ring；5, cylinder；6, circular hole；7, the first L Shape slot；8, card column；9, the second L-shaped groove；10, card hole；11, groove；12, ball.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-5, the utility model provides a kind of cylinder roller bearing, including a round outer ring 1, several 2, two, roller annular edge sealing 3 and two semicircle inner ring 4, the inner wall of round outer ring 1 and the outer side roll of several rollers 2 connect It connects, the middle part of several rollers 2 offers circular hole 6, and the both ends of each circular hole 6 are rotatablely connected with two cylinders 5 respectively, several A cylinder 5 is respectively symmetrically fixedly installed in the inner wall of two annular edge sealing 3, the inner ring of two annular edge sealing 3 with two semicircles The outer ring of shape inner ring 4 is arranged connection, and the top of two annular edge sealing 3 offers the first L-shaped groove 7, two the first L-shaped grooves 7 one The cell wall of side is fixedly mounted there are two card column 8, and the bottom end of two annular edge sealing 3 offers the second L-shaped groove 9, two the 2nd L The cell wall of 9 side of shape slot offers card hole 10, and two card columns 8 are connected together with two one-to-one correspondence of card hole 10.

Preferably, two card columns 8 are all made of interference fit with two card holes 10 respectively, can make two semicircle inner ring 4 Close engaging.

Preferably, the size of cylinder 5 and the size of circular hole 6 match, and the inside of circular hole 6 is entered convenient for cylinder 5.

Preferably, the outer wall of two cylinders 5 equidistantly offers several grooves 11, and the inside of several grooves 11 is embedding Equipped with ball 12, frictional force can be dropped, extends the service life of cylinder roller bearing.

Preferably, round outer ring 1 and several rollers 2 are all made of high-carbon-chromium bearing steel material and are made, and have rolling contact fatigue Intensity is big, hardness is high and abrasion resistence is high.

When specifically used, a kind of cylinder roller bearing of the utility model passes through the cooperation of two semicircle inner ring 4 of setting It uses, the friction area of semicircle inner ring 4 and other accessories can be reduced when dismantling to cylinder roller bearing, thus Cylinder roller bearing is dismantled convenient for staff, by the way that the rolling inside the groove 11 that 5 surface of cylinder offers is arranged in Pearl 12, can reduce the frictional force of cylinder 5 Yu roller 2, to extend the service life of cylinder roller bearing.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of cylinder roller bearing, including a round outer ring (1), several rollers (2), two annular edge sealing (3) and two A semicircle inner ring (4), which is characterized in that the inner wall of the circle outer ring (1) and the outer side roll of several rollers (2) connect Connect, the middle part of several rollers (2) offers circular hole (6), the both ends of each circular hole (6) respectively with two cylinders (5) it is rotatablely connected, several cylinders (5) are respectively symmetrically fixedly installed in the inner wall of two annular edge sealing (3), two annulars The inner ring of edge sealing (3) is arranged with the outer ring of two semicircle inner ring (4) and connect, and the top of two annular edge sealing (3) is equal It offering the first L-shaped groove (7), the cell wall of two the first L-shaped groove (7) sides is fixedly mounted there are two card column (8), and two The bottom end of the annular edge sealing (3) offers the second L-shaped groove (9), and the cell wall of two the second L-shaped groove (9) sides is opened Equipped with card hole (10), two card columns (8) correspond with two card holes (10) be connected together respectively.

2. a kind of cylinder roller bearing according to claim 1, it is characterised in that: two card columns (8) and two institutes It states card hole (10) and is all made of interference fit.

3. a kind of cylinder roller bearing according to claim 1, it is characterised in that: the size of the cylinder (5) with it is described The size of circular hole (6) matches.

4. a kind of cylinder roller bearing according to claim 1, it is characterised in that: the outer wall of two cylinders (5) is equal Several grooves (11) are equidistantly offered, the inside of several grooves (11) is embedded with ball (12).

5. a kind of cylinder roller bearing according to claim 1, it is characterised in that: it is described circle outer ring (1) and several Roller (2) is all made of high-carbon-chromium bearing steel material and is made.