CN216554954U

CN216554954U - Cylindrical roller bearing with self-lubricating sealing structure

Info

Publication number: CN216554954U
Application number: CN202122709230.3U
Authority: CN
Inventors: 孙一; 孙有信
Original assignee: Dalian Seiko Heavy Metallurgical Bearing Manufacturing Co ltd
Current assignee: Dalian Seiko Heavy Metallurgical Bearing Manufacturing Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-17
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a cylindrical roller bearing with a self-lubricating sealing structure, which belongs to the technical field of cylindrical roller bearings and comprises a bearing outer ring, wherein a roller groove is formed in the inner wall of the bearing outer ring, a plurality of cylindrical rollers are connected in the roller groove in a sliding mode, a retaining block is connected between two corresponding cylindrical rollers in a sliding mode, and grooves are formed in the front face and the back face of the retaining block. This cylindrical roller bearing with self-lubricating seal structure, through setting up the draw-in groove, the seal groove, first closing plate, the second closing plate, the waterproof board, sealed pad and sealing strip, make this device possess good leakproofness, thereby reach effectual dustproof and water-proof effects, and simple structure, can reduce the negative effects to this device rotational speed, and the dismouting of being convenient for of first closing plate and second closing plate, can avoid directly prying open and cause the damage, make first closing plate and second closing plate can used repeatedly, thereby avoid unnecessary loss of property.

Description

Cylindrical roller bearing with self-lubricating sealing structure

Technical Field

The utility model belongs to the technical field of cylindrical roller bearings, and particularly relates to a cylindrical roller bearing with a self-lubricating sealing structure.

Background

The cylindrical roller bearing is a concentric rolling bearing with cylindrical rollers as rolling bodies, the rollers are arranged in parallel and are arranged between an inner ring and an outer ring, and a spacing retainer or a spacer block is arranged between the rollers, so that the rollers can be prevented from inclining or rubbing against each other. And the cylindrical roller bearing has low running friction, the cylindrical roller bearing is often applied to manufacturing industry, railways, wind power generation equipment, automobiles and aircraft engines, meanwhile, the cylindrical roller bearing is widely applied to mechanical equipment of vehicles, and the cylindrical roller bearing is generally provided with a sealing structure in order to realize the isolation of the inner space and the outer space of the bearing. Traditional cylindrical roller bearing seal structure is direct joint rubber packing pad and the metal packing pad between bearing inner race and bearing outer race usually, and need reach better sealed effect and need cooperate installation multilayer sealing washer usually, lead to cylindrical roller bearing structure complicated, and can reduce cylindrical roller bearing rotational speed by a wide margin, the dismouting of being not convenient for of traditional sealing washer simultaneously, use instruments such as screwdriver directly to prize open when demolising simultaneously, easily directly lead to the damage of sealing washer, just need change new sealing washer when installing once more, it is very extravagant, cause unnecessary loss of property.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a cylindrical roller bearing with a self-lubricating sealing structure, and solves the problems that the traditional cylindrical roller bearing sealing structure is usually used for directly clamping a rubber sealing gasket and a metal sealing gasket between a bearing outer ring and a bearing inner ring, a plurality of layers of sealing rings are usually required to be installed in a matched manner to achieve a better sealing effect, so that the structure of the cylindrical roller bearing is complex, the rotating speed of the cylindrical roller bearing can be greatly reduced, meanwhile, the traditional sealing ring is inconvenient to disassemble and assemble, tools such as a screwdriver and the like are used for directly prying off during disassembly, the sealing ring is easily and directly damaged, a new sealing ring needs to be replaced during re-assembly, the waste is extremely high, and unnecessary property loss is caused.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cylindrical roller bearing with self-lubricating seal structure, includes the bearing inner race, the roller groove has been seted up to the inner wall of bearing inner race, sliding connection has a plurality of cylindrical roller in the roller groove, corresponds sliding connection has a holding piece between two cylindrical rollers, the front and the back of holding piece all seted up flutedly, one side fixedly connected with lug of holding piece, the mounting groove has been seted up to one side of lug, sliding connection has lubricated roller in the mounting groove, the equal fixedly connected with fixture block of the left and right sides face of holding piece, the surface joint that corresponds a plurality of fixture block has same mounting panel, the surface of a plurality of cylindrical roller all with the surface overlap joint of bearing inner race, the draw-in groove has all been seted up to the left and right sides face of bearing inner race, the seal groove has been seted up to the inner wall of draw-in groove.

The utility model discloses a bearing inner race, including bearing inner race, sealing gasket, clamping groove, first closing plate, the equal overlap joint of left and right sides face of bearing inner race has the second closing plate, the equal fixedly connected with a plurality of waterproof board of opposite face of first closing plate and corresponding second closing plate, the surface bonding of first closing plate has sealed the pad, the right side fixedly connected with sealing strip of sealed pad surface, the sealing strip joint is in corresponding the seal groove, one side fixedly connected with fixed plate of second closing plate, a plurality of through-hole has been seted up to the surface of fixed plate, a plurality of screw hole has been seted up to the surface of bearing inner race, be provided with mounting screw in the through-hole, mounting screw's bottom is passed the through-hole and is corresponded screw hole threaded connection, bearing inner race's surface fixedly connected with a plurality of lubricated piece, the notch has been seted up in the left side of bearing inner race inner wall.

As a further scheme of the utility model: the section of the first sealing plate is S-shaped, and the inner wall of the first sealing plate is lapped with the outer surface of the bearing inner ring.

As a further scheme of the utility model: the waterproof plate is arranged in an inclined shape, and the waterproof plate on one side of the first sealing plate and the waterproof plate on one side of the corresponding second sealing plate are arranged in a crossed mode.

As a further scheme of the utility model: the edge of the bearing outer ring is arc-shaped, and the lubricating roller and the lubricating block are made of graphite materials.

As a further scheme of the utility model: the sealing gasket and the sealing strip are both made of rubber, and a graphite lubricating sheet is arranged on the contact surface of the second sealing plate and the bearing outer ring.

(III) advantageous effects

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

1. the cylindrical roller bearing with the self-lubricating sealing structure is provided with the clamping groove, the sealing groove, the first sealing plate, the second sealing plate, the waterproof plate, the sealing gasket and the sealing strip, wherein the clamping groove is matched with the sealing groove to ensure that the first sealing plate can be stably arranged at two sides of the outer ring of the bearing, and the first sealing plate is matched with the second sealing plate to ensure that the device has good sealing effect, so that dust or sundries are effectively prevented from entering the device in the using process, the running effect of the device is ensured, meanwhile, the device has good waterproof function due to the arrangement of the first sealing plate and the second sealing plate, when water flows between the first sealing plate and the second sealing plate through a gap between the first sealing plate and the outer ring of the bearing during running of the device, because the waterproof plates are all arranged in an inclined shape, when the water flows are blocked by the first waterproof plate, can flow through the waterproof board upper surface, finally flow again through this device below, even there is rivers can get into the second waterproof board, still can be with rivers discharge, thereby avoid this device inside intaking, and the setting of sealed pad and sealing strip, can strengthen the compactness of first closing plate cooperation installation, thereby effectively strengthen the sealed effect of first closing plate, the setting of these structures, make this device can only be through mutually supporting of first closing plate and second closing plate, thereby possess good leakproofness, thereby reach effectual dustproof and water-proof effects, and simple structure, can reduce the negative effects to this device rotational speed, and the dismouting of being convenient for of first closing plate and second closing plate, can avoid direct prying open and cause the damage, make first closing plate and second closing plate can used repeatedly, thereby avoid unnecessary loss of property.

2. The cylindrical roller bearing with the self-lubricating sealing structure has the advantages that through the arrangement of the convex block, the mounting groove, the lubricating roller and the lubricating block, and the arrangement of the convex block and the mounting groove, the lubricating roller can be loaded in the device through the matching of the retaining block, the normal rotation of the cylindrical roller cannot be influenced, the arrangement of the lubricating roller can synchronously rotate along the roller groove, and a small amount of graphite powder can be generated after the lubricating roller is contacted with the roller groove and is adhered in the roller groove, so that the lubrication degree between the roller groove and the cylindrical roller can be increased, the running smoothness of the device is effectively improved, the arrangement of the lubricating block can generate a small amount of graphite powder when the cylindrical roller is contacted with the lubricating block on the outer surface of the bearing inner ring and generates friction, the graphite powder is adhered on the outer surface of the bearing inner ring and the outer surface of the cylindrical roller, so that the friction force between the cylindrical roller and the bearing inner ring can be reduced, thereby further promote this device operational smoothness nature, and can self-lubricate, need not artifical frequent adding lubricating oil.

3. This cylindrical roller bearing with self-lubricating seal structure, through setting up the holding piece, fixture block and mounting panel, make this device when carrying out production assembly, can install the fixture block cooperation that the holding piece is at first through one side on same mounting panel, thereby be convenient for pack cylindrical roller cooperation into corresponding between the holding piece, can install a plurality of cylindrical roller cooperation as a whole after another mounting panel cooperation joint of rethread is on the fixture block of a plurality of holding piece opposite side, be convenient for with the stable assembly of a plurality of cylindrical roller cooperation at the roller inslot.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the front view of the present invention;

FIG. 3 is a schematic perspective sectional view of a retaining block according to the present invention;

FIG. 4 is an enlarged schematic view of the utility model at A;

in the figure: the bearing comprises a bearing outer ring 1, a bearing outer ring 2, a roller groove 3, a cylindrical roller 4, a retaining block 5, a groove 6, a mounting groove 7, a lubricating roller 8, a clamping block 9, a mounting plate 10, a bearing inner ring 11, a clamping groove 12, a sealing groove 13, a first sealing plate 14, a second sealing plate 15, a waterproof plate 16, a sealing gasket 17, a sealing strip 18, a fixing plate 19, a through hole 20, a threaded hole 21, a mounting screw 22, a lubricating block 23 and a notch 24.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: a cylindrical roller bearing with a self-lubricating sealing structure comprises a bearing outer ring 1, a roller groove 2 is formed in the inner wall of the bearing outer ring 1, a plurality of cylindrical rollers 3 are connected in the roller groove 2 in a sliding mode, a retaining block 4 is connected between every two corresponding cylindrical rollers 3 in a sliding mode, grooves 5 are formed in the front face and the back face of the retaining block 4, a convex block 6 is fixedly connected to one side of the retaining block 4, an installation groove 7 is formed in one side of the convex block 6, a lubricating roller 8 is connected in the installation groove 7 in a sliding mode, the lubricating roller 8 can synchronously rotate along the roller groove 2 and can generate a small amount of graphite powder after being in contact with the roller groove 2 and is adhered to the roller groove 2, namely, the lubricating degree between the roller groove 2 and the cylindrical rollers 3 can be increased, the running smoothness of the device is effectively improved, clamping blocks 9 are fixedly connected to the left side face and the right side face of the retaining block 4, the outer surface joint that corresponds a plurality of fixture block 9 has same mounting panel 10, and the surface of a plurality of cylindrical roller 3 all overlaps with the surface of bearing inner race 11, and draw-in groove 12 has all been seted up to the left and right sides face of bearing inner race 1, and seal groove 13 has been seted up to the inner wall of draw-in groove 12.

The first sealing plate 14 is clamped in the clamping groove 12, the second sealing plate 15 is lapped on the left side surface and the right side surface of the bearing outer ring 1, the first sealing plate 14 and the second sealing plate 15 are arranged in a matching way, so that the device has a good sealing effect, dust or sundries are effectively prevented from entering the device in the using process, the running effect of the device is ensured, a plurality of waterproof plates 16 are fixedly connected to the opposite surfaces of the first sealing plate 14 and the corresponding second sealing plate 15, and the waterproof plates 16 are arranged, so that when water flows into the space between the first sealing plate 14 and the bearing outer ring 1 during running of the device, because the waterproof plates 16 are all arranged in an inclined shape, when the water flows are blocked by the first waterproof plate 16, the water can flow through the upper surface of the waterproof plate 16, and finally flows out again through the lower part of the device, even if the water flows can enter the second waterproof plate 16, the water flow can be still discharged, thereby avoiding water from entering the device, a sealing gasket 17 is bonded on the outer surface of the first sealing plate 14, a sealing strip 18 is fixedly connected to the right side of the outer surface of the sealing gasket 17, the sealing strip 18 is clamped in the corresponding sealing groove 13, a fixing plate 19 is fixedly connected to one side of the second sealing plate 15, a plurality of through holes 20 are formed in the outer surface of the fixing plate 19, a plurality of threaded holes 21 are formed in the outer surface of the bearing inner ring 11, mounting screws 22 are arranged in the through holes 20, the second sealing plate 15 can be effectively fixed on the outer surface of the bearing inner ring 11 by the arrangement of the mounting screws 22, thereby avoiding the reduction of the sealing effect caused by the movement of the second sealing plate 15 when the device is used, the bottom end of the mounting screw 22 penetrates through holes 20 to be in threaded connection with the corresponding threaded holes 21, a plurality of lubricating blocks 23 are fixedly connected to the outer surface of the bearing inner ring 11, a notch 24 is formed in the left side of the inner wall of the bearing inner ring 11, the setting of notch 24 is convenient for with this device with bearing inner race 11 cooperation joint in installation department, reinforcing bearing inner race 11 installation stability.

Specifically, as shown in fig. 4, the cross section of the first sealing plate 14 is S-shaped, the inner wall of the first sealing plate 14 is overlapped with the outer surface of the bearing inner ring 11, the waterproof plate 16 is inclined, the waterproof plate 16 on one side of the first sealing plate 14 and the waterproof plate 16 corresponding to one side of the second sealing plate 15 are arranged in a crossed manner, and the plurality of waterproof plates 16 are arranged in a crossed manner, so that water entering the second sealing plate 15 can be effectively discharged, and the water is prevented from entering the device.

Specifically, as shown in fig. 2, the edge of the bearing outer ring 1 is set to be circular-arc, the lubricating roller 8 and the lubricating block 23 are made of graphite, the sealing gasket 17 and the sealing strip 18 are made of rubber, the contact surface between the second sealing plate 15 and the bearing outer ring 1 is provided with a graphite lubricating sheet, the second sealing plate 15 and the contact surface between the bearing outer ring 1 are made of graphite lubricating sheet, the second sealing plate 15 and the bearing outer ring 1 can be lubricated by the graphite lubricating sheet when being matched and rotated, so that the friction force between the second sealing plate 15 and the bearing outer ring 1 is reduced, and the reduction of the operation rotating speed of the device is avoided.

The working principle of the utility model is as follows:

s1, when the device is needed, the device is matched and installed at a position needed, when the bearing inner ring 11 and the bearing outer ring 1 rotate relatively, the plurality of cylindrical rollers 3 can rotate along the roller grooves 2 at the same time, and when the cylindrical rollers 3 contact with the lubricating block 23 on the outer surface of the bearing inner ring 11 and generate friction, a small amount of graphite powder can be generated and adhered to the outer surface of the bearing inner ring 11 and the outer surface of the cylindrical rollers 3, so that the friction force between the cylindrical rollers 3 and the bearing inner ring 11 can be reduced;

s2, simultaneously, the lubricating roller 8 movably connected with one side of the holding block 4 can synchronously rotate along the roller groove 2, and can generate a small amount of graphite powder after contacting with the roller groove 2 and adhere to the roller groove 2, so that the degree of lubrication between the roller groove 2 and the cylindrical roller 3 can be increased;

s3, when the second sealing plate 15 and the first sealing plate 14 need to be removed, the second sealing plate 15 can be removed through the outer surface of the bearing inner race 11 after the mounting screws 22 are completely removed, and at this time, the first sealing plate 14 can be pulled outwards, so that the first sealing plate 14 can be easily removed.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a cylindrical roller bearing with self-lubricating seal structure, includes bearing inner race (1), its characterized in that: the bearing outer ring is characterized in that a roller groove (2) is formed in the inner wall of the bearing outer ring (1), a plurality of cylindrical rollers (3) are slidably connected in the roller groove (2), a retaining block (4) is slidably connected between two corresponding cylindrical rollers (3), grooves (5) are formed in the front face and the back face of the retaining block (4), a convex block (6) is fixedly connected to one side of the retaining block (4), a mounting groove (7) is formed in one side of the convex block (6), a lubricating roller (8) is slidably connected in the mounting groove (7), clamping blocks (9) are fixedly connected to the left side face and the right side face of the retaining block (4), the same mounting plate (10) is clamped to the outer surface corresponding to the clamping blocks (9), the outer surfaces of the cylindrical rollers (3) are in lap joint with the outer surface of a bearing inner ring (11), and clamping grooves (12) are formed in the left side face and the right side face of the bearing outer ring (1), a sealing groove (13) is formed in the inner wall of the clamping groove (12);

the bearing outer ring is characterized in that a first sealing plate (14) is clamped in the clamping groove (12), second sealing plates (15) are respectively lapped on the left side surface and the right side surface of the bearing outer ring (1), a plurality of waterproof plates (16) are respectively fixedly connected with the first sealing plate (14) and the opposite surface corresponding to the second sealing plate (15), a sealing gasket (17) is bonded on the outer surface of the first sealing plate (14), a sealing strip (18) is fixedly connected on the right side of the outer surface of the sealing gasket (17), the sealing strip (18) is clamped in the corresponding sealing groove (13), a fixing plate (19) is fixedly connected on one side of the second sealing plate (15), a plurality of through holes (20) are formed in the outer surface of the fixing plate (19), a plurality of threaded holes (21) are formed in the outer surface of the bearing inner ring (11), mounting screws (22) are arranged in the through holes (20), and the bottom ends of the mounting screws (22) penetrate through holes (20) and are in threaded connection with the corresponding threaded holes (21), the outer surface of the bearing inner ring (11) is fixedly connected with a plurality of lubricating blocks (23), and a notch (24) is formed in the left side of the inner wall of the bearing inner ring (11).

2. The cylindrical roller bearing with the self-lubricating seal structure according to claim 1, characterized in that: the cross section of the first sealing plate (14) is S-shaped, and the inner wall of the first sealing plate (14) is overlapped with the outer surface of the bearing inner ring (11).

3. The cylindrical roller bearing with the self-lubricating seal structure according to claim 1, characterized in that: the waterproof plate (16) is arranged in an inclined shape, and the waterproof plate (16) on one side of the first sealing plate (14) and the waterproof plate (16) on one side of the corresponding second sealing plate (15) are arranged in a crossed mode.

4. The cylindrical roller bearing with the self-lubricating seal structure according to claim 1, characterized in that: the edge of the bearing outer ring (1) is arc-shaped, and the lubricating roller (8) and the lubricating block (23) are made of graphite materials.

5. The cylindrical roller bearing with the self-lubricating seal structure according to claim 1, characterized in that: the sealing gasket (17) and the sealing strip (18) are both made of rubber, and a graphite lubricating sheet is arranged on the contact surface of the second sealing plate (15) and the bearing outer ring (1).