CN216842720U - Tapered roller bearing with groove-type inner ring - Google Patents

Abstract

The utility model discloses an inner circle trough of belt formula tapered roller bearing relates to the bearing field, including the outer lane, the inside of outer lane is provided with the cavity, and the inside of cavity is provided with the roller, the outside of roller is connected with the holder, and the one end of roller is connected with the inner circle, the outside of inner circle is provided with the constant head tank, and the inside of constant head tank is provided with well spacer ring, the both ends of outer lane all are provided with the spread groove, and the inside of spread groove is provided with the internal thread, the internal side of internal thread is connected with preceding sealed lid, and the outside of preceding sealed lid is connected with the external screw thread. The utility model discloses an outer lane, cavity, roller, holder, inner circle, constant head tank, well mesophragma circle that set up have realized setting up the constant head tank that is arranged in the spacer ring in the inside of inner circle, and the setting of constant head tank can be so that well mesophragma circle fixes a position in the outside of inner circle, avoids taking place the displacement when using to reduce the skew probability, reduce later stage maintenance probability.

Description

Tapered roller bearing with groove-type inner ring

Technical Field

The utility model relates to a bearing field specifically is inner circle grooved tapered 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.

In the existing tapered roller bearing structure, a middle partition ring is arranged between two groups of tapered rollers and used for damping and buffering, the middle partition ring is generally directly sleeved outside an inner ring, the positioning is inaccurate, the movement is easy to occur, and the inner ring grooved tapered roller bearing is urgently needed.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing inner circle trough of belt formula tapered roller bearing to in solving current tapered roller bearing structure, be provided with well spacer ring between two sets of tapered roller and be used for the shock attenuation buffering, well spacer ring generally directly cup joints in the inner circle outside, and the location is inaccurate, takes place the technical problem who removes easily.

In order to achieve the above object, the utility model provides a following technical scheme: inner circle trough of belt formula tapered roller bearing, including the outer lane, the inside of outer lane is provided with the cavity, and the inside of cavity is provided with the roller, the outside of roller is connected with the holder, and the one end of roller is connected with the inner circle, the outside of inner circle is provided with the constant head tank, and the inside of constant head tank is provided with well spacer ring, the both ends of outer lane all are provided with the spread groove, and the inside of spread groove is provided with the internal thread, internal thread inboard is connected with preceding sealed lid, and the outside of preceding sealed lid is connected with the external screw thread, the inside of preceding sealed lid is provided with the through-hole, the rear end of outer lane is connected with back sealed lid, the inner wall of outer lane is provided with lubricated chamber, and the inside in lubricated chamber is provided with the lubrication hole, the top in lubricated chamber is connected with the sealing plug.

Preferably, the quantity of roller is the multiunit, the multiunit the roller all with outer lane and inner circle rotation connection, and the multiunit the roller equidistance distributes in the inside of cage.

Preferably, the cross section of well space ring is the ring structure, and well space ring and constant head tank phase-match, well space ring passes through the constant head tank block with the inner circle and is connected.

Preferably, the quantity of spread groove is two sets of, internal thread and external screw thread phase-match, and preceding sealed lid and the sealed lid of back all can dismantle with the spread groove through external screw thread and internal thread and be connected.

Preferably, the inside of the rear sealing cover is provided with a through hole, and the rear sealing cover has the same structure as the front sealing cover.

Preferably, the cross section of the lubrication cavity is of a circular ring structure, the number of the lubrication holes is multiple groups, the multiple groups of the lubrication holes are distributed in the lubrication cavity at equal intervals, and the lubrication holes are located on one side of the roller.

Preferably, the sealing plug penetrates through the outer ring and extends into the outer ring, and the sealing plug is detachably connected with the outer ring.

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

1. the utility model realizes that the positioning groove for placing the middle spacer ring is arranged in the inner ring through the arranged outer ring, the cavity, the roller, the retainer, the inner ring, the positioning groove and the middle spacer ring, and the positioning groove can position the middle spacer ring outside the inner ring, thereby avoiding the displacement when in use, reducing the deviation probability and the later maintenance probability;

2. the utility model realizes the installation of cover plates for sealing at the two ends of the outer ring through the arranged connecting groove, the inner thread, the front sealing cover, the outer thread, the through hole and the rear sealing cover, the front sealing cover and the rear sealing cover are detachably connected with the connecting groove through the thread, the thread connection is convenient to install and dismantle, and the operation is convenient;

3. the utility model discloses a lubricated chamber, lubrication hole, sealing plug that set up have realized setting up the lubricated chamber that the round is used for storing lubricating oil in the outside that the inside of outer lane is located the roller, and the setting in lubricated chamber is on two sets of roller slope tops, and the lubricated liquid that flows down from the lubrication hole can advance the top of going into the roller of slope, then flows to its low side gradually under the effect of gravity again to reach lubricated even purpose.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a side cross-sectional view of the present invention;

fig. 4 is a schematic view of the inner ring structure of the present invention.

In the figure: 1. an outer ring; 2. a cavity; 3. a roller; 4. a holder; 5. an inner ring; 6. positioning a groove; 7. a middle space ring; 8. connecting grooves; 9. an internal thread; 10. a front sealing cover; 11. an external thread; 12. a through hole; 13. a rear sealing cover; 14. a lubrication chamber; 15. a lubrication hole; 16. and (4) sealing the plug.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, the tapered roller bearing with a grooved inner ring includes an outer ring 1, a cavity 2 is disposed inside the outer ring 1, rollers 3 are disposed inside the cavity 2, the rollers 3 are plural groups, the plural groups of rollers 3 are all rotationally connected to the outer ring 1 and the inner ring 5, the plural groups of rollers 3 are equidistantly distributed inside a retainer 4, the rollers 3 are two rows and are obliquely disposed, the plural groups of rollers 3 are all rotationally connected to the retainer 4, the retainer 4 is connected to the outer side of the rollers 3, one end of the rollers 3 is connected to the inner ring 5, a positioning groove 6 is disposed on the outer side of the inner ring 5, a middle spacer ring 7 is disposed inside the positioning groove 6, the cross section of the middle spacer ring 7 is in a circular ring structure, the middle spacer ring 7 is matched with the positioning groove 6, the middle spacer ring 7 is connected to the inner ring 5 through the positioning groove 6, and the outer ring 1, the cavity 2, the rollers 3, the retainer 4, and the retainer 4 are disposed, Inner circle 5, constant head tank 6, well spacer ring 7, realized including the inside of inner circle 5 set up the constant head tank 6 that is arranged in the spacer ring 7, the setting up of constant head tank 6 can make well spacer ring 7 fix a position in the outside of inner circle 5, avoid taking place the displacement when using to reduce the skew probability, reduce later maintenance probability, well spacer ring 7 is the rubber material, and the shock attenuation is effectual, and possesses certain deformability, and is comparatively convenient when installing with inner circle 5.

Referring to fig. 1-4, in the inner ring grooved tapered roller bearing, two ends of an outer ring 1 are both provided with connecting grooves 8, and an inner thread 9 is provided inside each connecting groove 8, the number of the connecting grooves 8 is two, the inner thread 9 is matched with the outer thread 11, a front sealing cover 10 and a rear sealing cover 13 are both detachably connected with the connecting grooves 8 through the outer thread 11 and the inner thread 9, the sealing covers are detachably connected with the connecting grooves 8 through threads, and the sealing covers on the outer side of the inner ring 5 are not affected when the inner ring rotates, the inner side of the inner thread 9 is connected with the front sealing cover 10, the outer side of the front sealing cover 10 is connected with the outer thread 11, a through hole 12 is provided inside each front sealing cover 10, the rear end of the outer ring 1 is connected with the rear sealing cover 13, a through hole 12 is provided inside each rear sealing cover 13 is identical in structure to the front sealing cover 10, and the connecting grooves 8, the through holes, Internal thread 9, preceding sealed lid 10, external screw thread 11, through-hole 12, the sealed lid 13 of back have realized installing at the both ends of outer lane 1 and have been used for sealed apron, and preceding sealed lid 10 and the sealed lid 13 of back can be dismantled with spread groove 8 through the screw thread and be connected, and threaded connection conveniently ann tears open, convenient operation, and two sets of sealed lids can seal the both ends of cavity 2 at 1 both ends in outer lane to reduce the dust grit and get into its inside probability, reduce the bearing and damage the probability.

Referring to fig. 1-4, in the tapered roller bearing with a grooved inner ring, a lubrication cavity 14 is formed in the inner wall of an outer ring 1, lubrication holes 15 are formed in the lubrication cavity 14, the cross section of the lubrication cavity 14 is of a circular ring structure, the number of the lubrication holes 15 is multiple groups, the multiple groups of lubrication holes 15 are distributed in the lubrication cavity 14 at equal intervals, the lubrication holes 15 are located on one side of a roller 3, the multiple groups of lubrication holes 15 enable the lubrication in the lubrication cavity 14 to uniformly enter the roller 3, so that the uniform lubrication is achieved, the top end of the lubrication cavity 14 is connected with a sealing plug 16, the sealing plug 16 penetrates through the outer ring 1 and extends into the interior of the outer ring 1, the sealing plug 16 is detachably connected with the outer ring 1, and through the lubrication cavities 14, the lubrication holes 15 and the sealing plug 16, a circle of lubrication cavity 14 for storing lubrication oil is formed in the outer ring 1 and located on the outer side of the roller 3, the setting of lubricated chamber 14 is on two sets of rollers 3 slope tops, and the lubricating liquid that flows down from lubrication hole 15 can advance into the top of the roller 3 of slope, then flows to its low side gradually under the effect of gravity again to reach lubricated even purpose, the quantity of sealing plug 16 is two sets of, and two sets of sealing plugs 16 accessible block and threaded mode are connected with outer lane 1, need notice sealed when connecting.

The working principle is as follows: when the anti-vibration lubricating device is used, a rotating shaft is connected with an inner ring 5, the inner ring 5 can rotate along with the rotating shaft under the matching of a plurality of groups of rollers 3 on the outer side of the inner ring 5, an outer ring 1 on the outer side of the inner ring keeps a fixed state, when two groups of rollers 3 on the outer side of the inner ring 5 rotate, the middle partition ring 7 can absorb shock, the middle partition ring 7 is made of rubber, the middle partition ring 7 is arranged on the outer side of a positioning groove 6, the positioning groove 6 is used for positioning the middle partition ring 7, the middle partition ring 7 is prevented from deviating in later use, when the inner rollers 3 need to be lubricated, a sealing plug 16 can be disassembled, then lubricating oil is filled into the sealing plug, the lubricating oil enters the lubricating hole 15 through a lubricating cavity 14, then flows into the rollers 3 inside the lubricating hole 15 through the lubricating hole 15 and is uniformly lubricated, and the front end and the rear end of the outer ring 1 are connected with sealing covers for sealing, the front sealing cover 10 and the rear sealing cover 13 are both connected with the connecting groove 8 through threads, the threaded connection is convenient to mount and dismount, the front sealing cover 10 and the rear sealing cover 13 can be mounted and dismounted by rotating, the operation is convenient, lubricating oil can be prevented from leaking out of the front sealing cover 10 and the rear sealing cover 13, dust and sand can be prevented from entering the cavity 2, and the content which is not described in detail in the specification belongs to the prior art which is known by professionals in the field.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. Inner circle fluted type tapered roller bearing, including outer lane (1), its characterized in that: the lubricating structure is characterized in that a cavity (2) is arranged inside the outer ring (1), a roller (3) is arranged inside the cavity (2), a retainer (4) is connected to the outer side of the roller (3), an inner ring (5) is connected to one end of the roller (3), a positioning groove (6) is arranged on the outer side of the inner ring (5), a middle spacer ring (7) is arranged inside the positioning groove (6), connecting grooves (8) are formed in both ends of the outer ring (1), an internal thread (9) is arranged inside the connecting grooves (8), a front sealing cover (10) is connected to the inner side of the internal thread (9), an external thread (11) is connected to the outer side of the front sealing cover (10), a through hole (12) is formed inside the front sealing cover (10), a rear sealing cover (13) is connected to the rear end of the outer ring (1), and a lubricating cavity (14) is arranged on the inner wall of the outer ring (1), and a lubricating hole (15) is formed in the lubricating cavity (14), and the top end of the lubricating cavity (14) is connected with a sealing plug (16).

2. The inner race grooved tapered roller bearing according to claim 1, characterized in that: the quantity of roller (3) is the multiunit, multiunit roller (3) all rotate with outer lane (1) and inner circle (5) and be connected, and multiunit roller (3) equidistance distributes in the inside of retainer (4).

3. The inner race grooved tapered roller bearing according to claim 1, characterized in that: the cross section of well space ring (7) is the ring structure, and well space ring (7) and constant head tank (6) phase-match, well space ring (7) are connected through constant head tank (6) block with inner circle (5).

4. The inner race grooved tapered roller bearing according to claim 1, characterized in that: the quantity of spread groove (8) is two sets of, internal thread (9) and external screw thread (11) phase-match, and preceding sealed lid (10) and back sealed lid (13) all can dismantle with spread groove (8) through external screw thread (11) and internal thread (9) and be connected.

5. The inner race grooved tapered roller bearing according to claim 1, characterized in that: the inner part of the rear sealing cover (13) is provided with a through hole (12), and the rear sealing cover (13) has the same structure as the front sealing cover (10).

6. The inner race grooved tapered roller bearing according to claim 1, characterized in that: the cross section of the lubricating cavity (14) is of a circular ring structure, the number of the lubricating holes (15) is multiple groups, the multiple groups of the lubricating holes (15) are distributed in the lubricating cavity (14) at equal intervals, and the lubricating holes (15) are located on one side of the roller (3).

7. The inner race grooved tapered roller bearing according to claim 1, characterized in that: the sealing plug (16) penetrates through the outer ring (1) and extends into the outer ring (1), and the sealing plug (16) is detachably connected with the outer ring (1).

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