CN217207369U

CN217207369U - Rotating bearing with high sealing performance

Info

Publication number: CN217207369U
Application number: CN202220944753.8U
Authority: CN
Inventors: 宣娜; 吴来宾; 隋成德; 李宏伟
Original assignee: Dalian Dayou Hi Tech Ceramic Co ltd
Current assignee: Dalian Dayou Hi Tech Ceramic Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-08-16
Anticipated expiration: 2032-04-22

Abstract

The utility model discloses a rolling bearing with high leakproofness relates to rolling bearing technical field, including the outer axle collar of joint, the middle part movable mounting of the outer axle collar inner wall of joint has the roll steel ball that a plurality of equidistance distributes, and the middle part of the outer axle collar of joint has cup jointed sealed inner axle collar through a plurality of roll steel ball activity, and the both sides of the outer axle collar inner wall of joint all can be dismantled and install and just tear open the apron for sliding connection with sealed inner axle collar. Above-mentioned scheme, the inside bolt groove looks adaptation of seting up of a word bolt and embedded draw-in groove of the outside edge installation of annular cover plate, two annular cover plates are respectively through three embedded draw-in groove cooperation three word bolts demountable installation of three groups inside the embedded draw-in groove of steel outer loop both sides face seting up, replace traditional joint fixed knot through a word bolt and construct, have realized the harmless quick detach of annular cover plate, have made things convenient for the lubricated maintenance of later stage bearing to the life of bearing has been prolonged.

Description

Rotating bearing with high sealing performance

Technical Field

The utility model relates to a rolling bearing technical field, more specifically say, the utility model relates to a rolling bearing with high leakproofness.

Background

The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the movement process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body; the bearing mainly comprises an outer shaft ring, an inner shaft ring and balls, and meanwhile, in order to prevent foreign matters from invading the inside of the bearing, influencing the rotation of the bearing and accelerating the abrasion speed of the bearing, most of the bearings are provided with annular sealing plates.

But the annular seal plate that current rolling bearing set up, the connected mode that mostly adopts the joint, through including the draw-in groove of seting up on axle ring and the outer axle ring fixed with the annular seal plate joint, the inconvenient dismantlement of this kind of structure is unfavorable for later stage bearing to add lubricating oil and maintains the maintenance to rolling bearing's life has been reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a high leakproofness rolling bearing has to solve the annular seal board that current rolling bearing set up, mostly adopt the connected mode of joint, fixed with the annular seal board joint through the draw-in groove of seting up on inner shaft collar and outer shaft collar, the inconvenient dismantlement of this kind of structure is unfavorable for later stage bearing to add lubricating oil and maintains the maintenance, thereby has reduced rolling bearing's life's problem.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a rolling bearing with high leakproofness, includes the outer axle collar of joint, the middle part movable mounting of the outer axle collar inner wall of joint has the roll steel ball that a plurality of equidistance distributes, the middle part of the outer axle collar of joint is through a plurality of roll steel ball activity cup joints sealed inner axle collar, the both sides of the outer axle collar inner wall of joint all can be dismantled install with the just apron of tearing of the inner axle collar of seal is sliding connection.

Preferably, the outer collar of joint includes the steel outer loop, the middle part of steel outer loop inner wall is seted up with a plurality of the inscription annular ball groove of roll steel ball looks adaptation, the both sides face of steel outer loop all seted up with just, tear embedded draw-in groove of apron looks adaptation open.

Preferably, two the inside of embedded draw-in groove all sets up the bolt groove that three groups equidistance distribute, two just, tear the apron and pass through three group bolt groove demountable installation respectively in two the inside of embedded draw-in groove.

Preferably, the easy-to-detach cover plate comprises an annular cover plate, three line-shaped bolts which are distributed at equal intervals are detachably mounted at the outer edge of the annular cover plate, and the line-shaped bolts are matched with the bolt grooves.

Preferably, the inner sealing collar comprises a steel inner ring, an external annular ball groove matched with the plurality of rolling balls is formed in the middle of the outer side surface of the steel inner ring, and a sliding sealing sleeve is fixedly sleeved inside the steel inner ring.

Preferably, both ends of the sliding packing sleeve protrude out of both ends of the steel inner ring, protruding parts at both ends of the sliding packing sleeve are respectively attached to the two cover plates convenient to disassemble, and the protruding parts at both ends of the sliding packing sleeve and the two connecting surfaces of the cover plates convenient to disassemble are respectively provided with a wear-resistant rubber layer.

The utility model discloses a technological effect and advantage:

in the scheme, the straight bolts arranged at the outer side edges of the annular cover plates are matched with the bolt grooves formed in the embedded clamping grooves, the two annular cover plates are detachably arranged in the embedded clamping grooves formed in the two side surfaces of the steel outer ring through three groups of embedded clamping grooves matched with the three straight bolts respectively, the traditional clamping fixing structure is replaced by the straight bolts, the nondestructive quick disassembly of the annular cover plates is realized, the lubrication and maintenance of the bearing at the later stage are facilitated, and the service life of the bearing is prolonged; the both ends of slip packing cover all protrude the both ends of steel inner ring and laminate mutually with two just, tear the apron open respectively, and the bulge at slip packing cover both ends all is equipped with the wearing rubber layer with two just being connected faces of tearing the apron open, through setting up the wearing rubber layer, has both guaranteed the slip packing cover and has just torn the connection leakproofness of apron open, has also powerfully reduced the wearing and tearing speed between the two, has improved the practicality of device.

Drawings

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

FIG. 2 is a schematic view of the rolling steel ball structure of the present invention;

FIG. 3 is a schematic view of the structure of the easy-to-detach cover plate of the present invention;

fig. 4 is a schematic view of a clamping outer shaft ring structure of the present invention;

fig. 5 is a schematic view of the sealing inner collar structure of the present invention.

The reference signs are: 1. clamping the outer collar; 2. rolling the steel ball; 3. a seal inner collar; 4. the cover plate is convenient to disassemble; 11. a steel outer ring; 12. the annular ball groove is internally connected; 13. a card slot is embedded; 14. a bolt slot; 31. a steel inner ring; 32. an annular ball groove is externally connected; 33. sliding the packing sleeve; 41. an annular cover plate; 42. a straight bolt.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

Like fig. 1 to fig. 5, the embodiment of the utility model provides a rolling bearing with high leakproofness, including the outer axle collar 1 of joint, the middle part movable mounting of the outer axle collar 1 inner wall of joint has the roll steel ball 2 of a plurality of equidistance distribution, and the axle collar 3 in the sealed has been cup jointed through the activity of a plurality of roll steel ball 2 in the middle part of the outer axle collar 1 of joint, and the both sides of the outer axle collar 1 inner wall of joint all can be dismantled to install and just tear apron 4 for sliding connection with the interior axle collar 3 of sealed.

As shown in fig. 3 and fig. 4, the clamping outer ring 1 comprises a steel outer ring 11, an inner annular ball groove 12 matched with the plurality of rolling balls 2 is formed in the middle of the inner wall of the steel outer ring 11, and embedded clamping grooves 13 matched with the easy-to-detach cover plates 4 are formed in both side surfaces of the steel outer ring 11; three groups of bolt grooves 14 which are distributed at equal intervals are formed in the two embedded clamping grooves 13, and the two conveniently-disassembled cover plates 4 are detachably arranged in the two embedded clamping grooves 13 through the three groups of bolt grooves 14 respectively; the easy-to-detach cover plate 4 comprises an annular cover plate 41, three line-shaped bolts 42 which are distributed at equal intervals are detachably mounted on the outer edge of the annular cover plate 41, and the line-shaped bolts 42 are matched with the bolt grooves 14.

Specifically, a word bolt 42 of the outside edge installation of annular cover plate 41 and the inside 14 looks adaptations of bolt groove of seting up of embedded draw-in groove 13, two annular cover plates 41 are respectively through three embedded draw-in grooves 13 of three group cooperate three word bolt 42 demountable installation in the embedded draw-in groove 13 that 11 both sides of steel outer loop were seted up inside, replace traditional joint fixed knot to construct through a word bolt 42, realized the harmless quick detach of annular cover plate 41, the lubricated maintenance of later stage bearing has been made things convenient for, thereby the life of bearing has been prolonged.

As shown in fig. 3 and fig. 5, the sealing inner shaft ring 3 comprises a steel inner ring 31, an external annular ball groove 32 matched with the plurality of rolling balls 2 is formed in the middle of the outer side surface of the steel inner ring 31, and a sliding sealing sleeve 33 is fixedly sleeved inside the steel inner ring 31; the two ends of the sliding packing sleeve 33 protrude out of the two ends of the steel inner ring 31, the protruding parts at the two ends of the sliding packing sleeve 33 are respectively attached to the two easy-to-dismount cover plates 4, and the protruding parts at the two ends of the sliding packing sleeve 33 are connected with the two easy-to-dismount cover plates 4 through wear-resistant rubber layers.

Specifically, the both ends of the sliding packing sleeve 33 all protrude the both ends of the steel inner ring 31 and are respectively laminated with the two just-to-dismount cover plates 4, and the protruding parts at the both ends of the sliding packing sleeve 33 and the two just-to-dismount cover plates 4 are connected with the surfaces of the wear-resistant rubber layers, so that the connection sealing performance of the sliding packing sleeve 33 and the just-to-dismount cover plates 4 is ensured, the wear speed between the two is also powerfully reduced, and the practicability of the device is improved.

The utility model discloses a working process as follows:

the straight bolts 42 arranged at the outer side edges of the annular cover plates 41 are matched with the bolt grooves 14 formed in the embedded clamping grooves 13, the two annular cover plates 41 are detachably arranged in the embedded clamping grooves 13 formed in the two side faces of the steel outer ring 11 through the three groups of embedded clamping grooves 13 in a matched mode, the straight bolts 42 replace a traditional clamping fixing structure, the annular cover plates 41 are nondestructively disassembled, lubrication and maintenance of a bearing at the later stage are facilitated, and therefore the service life of the bearing is prolonged;

the both ends of slip packing sleeve 33 all bulge the both ends of steel inner ring 31 and just tear apron 4 mutually and laminate with two respectively just, and the bulge at slip packing sleeve 33 both ends all is equipped with the wear-resistant rubber layer with just the connection face of tearing apron 4 with two, through setting up the wear-resistant rubber layer, has both guaranteed slip packing sleeve 33 and just torn the connection leakproofness of apron 4, has also powerfully reduced the rate of wear between the two, has improved the practicality of device.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rolling bearing with high leakproofness, its characterized in that, includes joint outer collar (1), the middle part movable mounting of joint outer collar (1) inner wall has roll steel ball (2) that a plurality of equidistance distributes, the middle part of joint outer collar (1) is through a plurality of roll steel ball (2) activity cover has sealed inner collar (3), the both sides of joint outer collar (1) inner wall all demountable installation with just tear apron (4) for sliding connection in sealed inner collar (3).

2. The rotating bearing with high sealing performance according to claim 1, wherein the clamping outer ring (1) comprises a steel outer ring (11), an inner annular ball groove (12) matched with the plurality of rolling balls (2) is formed in the middle of the inner wall of the steel outer ring (11), and embedded clamping grooves (13) matched with the easy-to-detach cover plate (4) are formed in two side faces of the steel outer ring (11).

3. The rotating bearing with high sealing performance according to claim 2, wherein three sets of bolt grooves (14) are formed in the inner portions of the two embedded slots (13), and the two detachable cover plates (4) are detachably mounted in the inner portions of the two embedded slots (13) through the three sets of bolt grooves (14).

4. The rotary bearing with high sealing performance according to claim 3, wherein the easy-to-detach cover plate (4) comprises an annular cover plate (41), three equidistantly distributed in-line bolts (42) are detachably mounted at the outer edge of the annular cover plate (41), and the in-line bolts (42) are matched with the bolt grooves (14).

5. The rotating bearing with high sealing performance according to claim 1, wherein the sealing inner shaft ring (3) comprises a steel inner ring (31), an external annular ball groove (32) matched with the plurality of rolling steel balls (2) is formed in the middle of the outer side surface of the steel inner ring (31), and a sliding packing sleeve (33) is fixedly sleeved inside the steel inner ring (31).

6. The rotary bearing with high sealing performance according to claim 5, wherein both ends of the sliding packing sleeve (33) protrude out of both ends of the steel inner ring (31), the protruding portions of both ends of the sliding packing sleeve (33) are respectively attached to the two easy-to-dismount cover plates (4), and the protruding portions of both ends of the sliding packing sleeve (33) and the connecting surfaces of the two easy-to-dismount cover plates (4) are provided with wear-resistant rubber layers.