CN215171521U

CN215171521U - Agricultural machinery bearing convenient to oil storage

Info

Publication number: CN215171521U
Application number: CN202120891630.8U
Authority: CN
Inventors: 张少鹏; 周一夫
Original assignee: Haining Wanlong Mechanical Bearing Co ltd
Current assignee: Haining Wanlong Mechanical Bearing Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-12-14
Anticipated expiration: 2031-04-25

Abstract

The utility model relates to an agricultural machinery bearing convenient to oil storage, including outer lane, inner circle, set up and keep the ware and install a plurality of steel balls on keeping the ware in between outer lane and inner circle, still be provided with two dust seal between outer lane and the inner circle, two dust seal is located respectively and keeps the ware both sides, run through on the outer lane lateral wall and offer the filling hole that is used for to dust seal and keeps gap department between the ware to add lubricated liquid. The utility model discloses in, through set up the filling hole on the outer lane of bearing to this staff is by filling hole to dustproof sealing washer and keep the gap department between the ware and add lubricated liquid, thereby has reduced the inner circle of bearing, has kept the frictional force between ware and the ball, is favorable to going on of bearing rotation work.

Description

Agricultural machinery bearing convenient to oil storage

Technical Field

The utility model relates to a bearing technical field, concretely relates to agricultural machinery is with bearing convenient to oil storage.

Background

The agricultural machinery bearing is a product widely applied to foreign agricultural machinery, and is special in structure, an inner hole of the agricultural machinery bearing is cylindrical, square or hexagonal, and the outer diameter of the agricultural machinery bearing is cylindrical, square or elliptical.

The agricultural machinery bearing comprises an outer ring, a steel ball and a retainer, and further comprises a first inner ring, a second inner ring, a first sealing ring, a protective cover, a second sealing ring and a protective cover, wherein sealing grooves are formed in two sides of the outer ring, a channel is formed in the inner surface of the outer ring, the first inner ring and the second inner ring are embedded in the outer ring, the steel ball is clamped in the first inner ring, the second inner ring and the retainer, and the channel and the steel ball form a negative clearance, namely the preload; a second sealing ring is arranged in a sealing groove at the outer side of the holding frame, and a protective cover is arranged at the outer side of the second sealing ring; the outer diameter of the outer ring is provided with steps, the small-end steps are sleeved with first sealing rings, and the outer sides of the outer ring and the first sealing rings are surrounded by protective covers.

However, the inventor believes that the technical scheme has the following defects: in the rotating process of the bearing, lubricating liquid is usually required to be added to the steel ball, the outer ring, the first inner ring and the second inner ring of the bearing are kept sealed through the second sealing rings, and the operation of adding the lubricating liquid is difficult to finish by workers.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the staff in time to add lubricated liquid to steel ball department, the utility model provides a bearing for agricultural machinery convenient to oil storage.

The utility model provides a pair of agricultural machinery bearing convenient to oil storage adopts following technical scheme:

the utility model provides a bearing for agricultural machinery convenient to oil storage, includes outer lane, inner circle, sets up and keeps the ware and install a plurality of steel balls on keeping the ware in between outer lane and inner circle, still be provided with two dust seal between outer lane and the inner circle, two dust seal is located respectively and keeps the ware both sides, run through on the outer lane lateral wall and offer the filling hole that is used for adding lubricated liquid to dust seal and the gap department that keeps between the ware.

The utility model discloses further set up to, install the punching press seat on the outer periphery of outer lane, the side and the inner circle outer wall butt that the punching press seat is close to inner circle axis one side, the side that inner circle axis one side was kept away from to the punching press seat extends along one side that the inner circle was kept away from to outer lane middle part orientation, the punching press seat is equipped with two and symmetry settings, and two through seat rivet riveting between the punching press seat.

The utility model discloses further set up to, one of them be fixed with the combination glib talker with the filling hole intercommunication on the punching press seat.

The utility model discloses further set up to, laminate and be fixed with big rubber circle on the outer periphery of outer lane, the outer periphery of big rubber circle all supports tightly with two punching press seat internal surfaces.

The utility model discloses further set up to, the annular mounting groove has been seted up on the outer periphery of outer lane, the annular mounting groove is located the filling hole and keeps away from one side of big rubber circle, just install in the annular mounting groove with annular mounting groove joint complex little rubber circle, the outer periphery of little rubber circle supports tightly with the interior circumference of punching press seat.

The utility model discloses further set up to, the seal groove has been seted up on the outer lane inner wall, the seal groove is located the one side that the steel column was kept away from to the filling hole, be provided with on the dustproof sealing ring with the outer annular protruding edge of seal groove joint complex.

The utility model discloses further set up to, the ladder groove has been seted up on the inner circle outer wall, dustproof sealing ring go up be provided with the protruding edge of ladder groove joint complex inner ring shape.

The utility model discloses further set up to, keep the ware to constitute by two holders, rivet through the shelf rivet between two holders.

To sum up, the utility model discloses a following at least one useful technological effect:

1. in the utility model, the injection hole is arranged on the outer ring of the bearing, so that the lubricating liquid is conveniently added into the gap between the dustproof sealing ring and the retainer by a worker through the injection hole, thereby reducing the friction force among the inner ring of the bearing, the retainer and the ball, and being beneficial to the running of the rotation work of the bearing;

2. in the utility model, through the arrangement of the combined oil nozzle, the worker can conveniently add the lubricating liquid into the gap between the dustproof sealing ring and the retainer through the injection hole through the combined oil nozzle, and the probability of the lubricating liquid seeping out from the injection hole is reduced;

3. the utility model discloses in, through setting up big rubber circle and little rubber circle to this has strengthened the leakproofness, has reduced the probability that lubricated liquid is oozed by the gap between two punching press seats and the gap between punching press seat and the outer lane, is favorable to lubricated liquid to flow smoothly to dustproof sealing washer and keep the gap department between the ware by the filling hole.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1 taken along line A-A;

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

fig. 4 is an explosion structure diagram of the agricultural machinery bearing convenient for oil storage.

Description of reference numerals: 1. an outer ring; 11. an injection hole; 12. an annular mounting groove; 13. a sealing groove; 2. an inner ring; 21. a stepped groove; 3. a holder; 4. a steel ball; 5. a frame rivet; 6. a dustproof sealing ring; 61. an outer annular ledge; 62. an inner annular ledge; 7. punching a seat; 71. a seat rivet; 8. a combined oil nozzle; 9. a large rubber ring; 10. a small rubber ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, an agricultural machinery bearing convenient for oil storage comprises an outer ring 1, an inner ring 2, a retainer 3 arranged between the outer ring 1 and the inner ring 2, and a plurality of steel balls 4 arranged on the retainer 3, wherein two dust-proof sealing rings 6 are further arranged between the outer ring 1 and the inner ring 2, the two dust-proof sealing rings 6 are respectively positioned at two sides of the retainer 3, and an injection hole 11 used for adding lubricating liquid to a gap between the dust-proof sealing ring 6 and the retainer 3 is penetratingly arranged on the side wall of the outer ring 1. Through set up filling hole 11 on the outer lane 1 of bearing to this the staff adds lubricated liquid to the gap department between dustproof sealing ring 6 and the holder 3 by filling hole 11, thereby has reduced the frictional force between the inner circle 2 of bearing, holder 3 and the ball, is favorable to going on of bearing rotation work.

Further, install punching press seat 7 on the outer periphery of outer lane 1, punching press seat 7 is close to the side and the 2 outer walls butts of inner circle 2 axis one side, and the side that 2 axis one side of inner circle was kept away from to punching press seat 7 extends along the outer lane 1 middle part towards one side of keeping away from inner circle 2, and punching press seat 7 is equipped with two and symmetry setting, and rivets through seat rivet 71 between two punching press seats 7. Through setting up punching press seat 7 to this has played good guard action to dust seal 6, has reduced the probability that dust seal 6 ran out from the gap between outer lane 1 and the inner circle 2, has strengthened the stability of dust seal 6 in the use.

Furthermore, a combined oil nozzle 8 communicated with the filling hole 11 is fixed on one of the stamping seats 7, so that a worker can add lubricating liquid to a gap between the dustproof sealing ring 6 and the retainer 3 from the filling hole 11 through the combined oil nozzle 8, and the probability of the lubricating liquid leaking out from the filling hole 11 is reduced.

Furthermore, a large rubber ring 9 is attached and fixed on the outer circumferential surface of the outer ring 1, the outer circumferential surface of the large rubber ring 9 is tightly abutted against the inner surfaces of the two stamping seats 7, and the large rubber ring 9 is arranged, so that the sealing performance between the two stamping seats 7 and between the stamping seats 7 and the outer ring 1 is enhanced, and the probability of seepage of lubricating liquid from a gap between the stamping seats 7 and the outer wall of the outer ring 1 is reduced.

Furthermore, an annular mounting groove 12 is formed in the outer circumferential surface of the outer ring 1, the annular mounting groove 12 is located on one side, away from the large rubber ring 9, of the injection hole 11, a small rubber ring 10 in clamping fit with the annular mounting groove 12 is mounted in the annular mounting groove 12, and the outer circumferential surface of the small rubber ring 10 abuts against the inner circumferential surface of the stamping seat 7. By arranging the small rubber ring 10, the sealing performance between the punching seat 7 and the outer ring 1 is enhanced, and the probability of seepage of lubricating liquid from a gap between the punching seat 7 and the outer wall of the outer ring 1 is further reduced.

Further, a sealing groove 13 is formed in the inner wall of the outer ring 1, the sealing groove 13 is located on one side, far away from the steel column, of the injection hole 11, and an outer annular convex edge 61 matched with the sealing groove 13 in a clamping mode is arranged on the dustproof sealing ring 6. The outer annular convex edge 61 on the dust seal ring 6 is matched with the seal groove 13, so that the sealing performance between the dust seal ring 6 and the outer ring 1 is enhanced, and the probability of seepage of lubricating liquid from a gap between the dust seal ring 6 and the outer ring 1 is reduced.

Furthermore, a stepped groove 21 is formed in the outer wall of the inner ring 2, an inner annular convex edge 62 in clamping fit with the stepped groove 21 is arranged on the dustproof sealing ring 6, and the inner annular convex edge 62 is matched with the stepped groove 21, so that the sealing performance between the dustproof sealing ring 6 and the inner ring 2 is enhanced, and the probability that lubricating liquid seeps out from a gap between the dustproof sealing ring 6 and the inner ring 2 is reduced.

Further, keep ware 3 to constitute by two holders, rivet through shelf rivet 5 between two holders to this is convenient for the staff to install the ware 3 that keeps, is favorable to the staff to assemble this for agricultural machinery bearing.

The use principle of the embodiment is as follows: through set up filling hole 11 on the outer lane 1 of bearing to this the staff adds lubricated liquid to the gap department between dustproof sealing ring 6 and the holder 3 by filling hole 11, thereby has reduced the frictional force between the inner circle 2 of bearing, holder 3 and the ball, is favorable to going on of bearing rotation work. Through setting up combination glib 8 to this the staff adds lubricating liquid to the gap department between dust seal 6 and the holder 3 through the filling hole 11 through combination glib 8, and has reduced the probability that lubricating liquid oozes from filling hole 11.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a bearing for agricultural machinery convenient to oil storage, includes outer lane (1), inner circle (2), sets up and keeps ware (3) and install a plurality of steel balls (4) on keeping ware (3) between outer lane (1) and inner circle (2), still be provided with two dust seal (6) between outer lane (1) and inner circle (2), two dust seal (6) are located respectively keeps ware (3) both sides, characterized by: and an injection hole (11) for adding lubricating liquid to a gap between the dustproof sealing ring (6) and the retainer (3) is formed in the side wall of the outer ring (1) in a penetrating manner.

2. The agricultural machinery bearing convenient for oil storage according to claim 1, characterized in that: install punching press seat (7) on the outer periphery of outer lane (1), side and inner circle (2) outer wall butt that punching press seat (7) are close to inner circle (2) axis one side, the side that inner circle (2) axis one side was kept away from in punching press seat (7) extends along outer lane (1) middle part orientation one side of keeping away from inner circle (2), punching press seat (7) are equipped with two and symmetry setting, and two rivet through seat rivet (71) between punching press seat (7).

3. The agricultural machinery bearing convenient for oil storage according to claim 2, characterized in that: and a combined oil nozzle (8) communicated with the injection hole (11) is fixed on one of the stamping seats (7).

4. The agricultural machinery bearing convenient for oil storage according to claim 3, characterized in that: the outer circumference of the outer ring (1) is attached and fixed with a large rubber ring (9), and the outer circumference of the large rubber ring (9) is tightly abutted against the inner surfaces of the two stamping seats (7).

5. The agricultural machinery bearing convenient for oil storage according to claim 4, characterized in that: the outer circumference of the outer ring (1) is provided with an annular mounting groove (12), the annular mounting groove (12) is located on one side, away from the large rubber ring (9), of the injection hole (11), a small rubber ring (10) in clamping fit with the annular mounting groove (12) is mounted in the annular mounting groove (12), and the outer circumference of the small rubber ring (10) is abutted against the inner circumference of the stamping seat (7).

6. The agricultural machinery bearing convenient for oil storage according to claim 5, characterized in that: the sealing structure is characterized in that a sealing groove (13) is formed in the inner wall of the outer ring (1), the sealing groove (13) is located on one side, away from the steel column, of the injection hole (11), and an outer annular convex edge (61) matched with the sealing groove (13) in a clamping mode is arranged on the dustproof sealing ring (6).

7. The agricultural machinery bearing convenient for oil storage of claim 6, wherein: the dustproof sealing ring is characterized in that a stepped groove (21) is formed in the outer wall of the inner ring (2), and an inner annular convex edge (62) matched with the stepped groove (21) in a clamping mode is arranged on the dustproof sealing ring (6).

8. The agricultural machinery bearing convenient for oil storage according to claim 1, characterized in that: the retainer (3) consists of two retainers, and the two retainers are riveted through a frame rivet (5).