CN216447317U

CN216447317U - Rear bearing seat

Info

Publication number: CN216447317U
Application number: CN202123395810.6U
Authority: CN
Inventors: 黄锡权
Original assignee: Guangzhou Zhaoli Washing Machinery Co ltd
Current assignee: Guangzhou Zhaoli Washing Machinery Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-06
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a rear bearing seat, which relates to the technical field of bearing seat structures and comprises a lower base and an upper cover arranged on the top side of the lower base, wherein grooves for accommodating bearings are formed in the sides, close to each other, of the lower base and the upper cover, a lower oil storage bin is formed in the lower base and is communicated with the grooves in the lower base through oil leakage openings, an upper oil storage bin is formed in the upper cover and is communicated with the lower oil storage bin through oil pipes. According to the utility model, the upper oil storage bin and the lower oil storage bin are arranged and connected through the oil pipe, the piston slide hole is moved back and forth by utilizing the vibration of a vehicle during running, the on-off of the pipeline is controlled through the one-way valve, the lubricating oil in the upper oil storage bin and the lubricating oil in the lower oil storage bin circularly flow under the action of atmospheric pressure, the bearing is continuously lubricated through the oil outlet unit, the frequency of adding the lubricating oil to the bearing is reduced, and the use is convenient.

Description

Rear bearing seat

Technical Field

The utility model relates to the technical field of bearing seat structures, in particular to a rear bearing seat.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is the support machinery rotator, reduces the coefficient of friction in its motion to guarantee its gyration precision, like vehicle wheel hub bearing, the bearing generally needs independent bearing frame to fix, in the use, needs often to add emollient and guarantees the normal work of bearing.

In the prior art, when a bearing is used, regular inspection and maintenance are generally needed, a lubricant is added, and particularly, in a vehicle machine used under complex working conditions such as mines, certain inconvenience is brought to vehicle use due to the fact that a road surface jolts, air is prone to raising dust, the lubricant needs to be added to the bearing more frequently, and therefore a rear bearing seat is disclosed to meet requirements of people.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rear bearing seat to the problem that the use is inconvenient because lubricant needs to be frequently added to a bearing when the rear bearing seat is used, which is provided in the background art.

In order to achieve the above purpose, the present application provides the following technical solutions: a rear bearing seat comprises a lower base and an upper cover arranged on the top side of the lower base, wherein one side of the lower base, which is close to the upper cover, is provided with a groove for accommodating a bearing, the lower base is provided with a lower oil storage bin, the lower oil storage bin is communicated with the groove on the lower base through an oil leakage opening, the upper cover is internally provided with an upper oil storage bin, the upper oil storage bin is communicated with the lower oil storage bin through an oil pipe, the oil pipe is provided with a one-way valve, the upper oil storage bin is provided with an oil outlet unit, the oil outlet unit is communicated with the upper oil storage bin through a one-way valve mechanism, the oil outlet unit is communicated with the groove on the upper cover, the top of the upper cover is provided with an extension column, the top side of the extension column is provided with a slide hole, the slide hole is communicated with the upper oil storage bin, and the inner wall of the slide hole is provided with a spring through an installation plate, and a piston is arranged at the bottom end of the spring and is matched with the sliding hole.

Preferably, the check valve mechanism comprises a sealing plate, an upper oil leakage hole and a lower oil leakage hole are formed in the inner wall of the bottom side of the upper oil storage bin, a stepped hole is formed, one side of the sealing plate is rotatably mounted on the hole wall of the lower oil leakage hole through a rotating shaft, the top side of the sealing plate is matched with the bottom end of the upper oil leakage hole, the lower oil leakage hole is communicated with the oil outlet unit, and a reset unit is arranged at the bottom side of the sealing plate.

Preferably, the reset unit comprises an elastic sheet, one end of the elastic sheet is mounted on the hole wall of the lower oil leakage hole, and the top side of the elastic sheet is matched with the bottom side of the sealing plate.

Preferably, the oil outlet unit comprises two oil outlets, an oil conveying channel is formed in the upper cover and communicated with the lower oil leakage hole, the two oil outlets are located at two ends of the oil conveying channel, and the two oil outlets are communicated with the groove in the upper cover.

Preferably, a plurality of protruding limiting blocks are arranged on the inner walls of the two sides of the groove on the upper cover and the lower base.

Preferably, the grooves on the upper cover and the lower base are internally provided with wear-resistant pads, and a shock pad is arranged between the upper cover and the lower base.

Preferably, a balancing weight is installed on the top side of the piston, and the top side of the balancing weight is connected with the bottom end of the spring.

In conclusion, the technical effects and advantages of the utility model are as follows:

1. according to the utility model, the upper oil storage bin and the lower oil storage bin are arranged and connected through the oil pipe, the piston slide hole is moved back and forth by utilizing the vibration of a vehicle during running, the on-off of the pipeline is controlled through the one-way valve, the lubricating oil in the upper oil storage bin and the lubricating oil in the lower oil storage bin circularly flow under the action of atmospheric pressure, the bearing is continuously lubricated through the oil outlet unit, the frequency of adding the lubricating oil to the bearing is reduced, and the use is convenient.

2. According to the utility model, through the arrangement of the two oil outlets, two sides of the bearing can be lubricated simultaneously, the lubrication efficiency is improved, the wear-resistant pad and the shock pad both have certain deformation, the wear-resistant pad can be tightly attached to the outer side wall of the bearing, the shock pad can adjust the distance between the upper cover and the lower base to a certain extent, the manufacturing error is compensated, the bearing is better fixed by the upper cover and the lower base, and the bearing, the upper cover and the lower base form an approximately rigid body, so that the vibration of a single body is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

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

FIG. 3 is a cutaway view of the present invention;

fig. 4 is a partially enlarged view of the area a in fig. 3.

In the figure: 1. a lower base; 2. an upper cover; 3. extending the column; 4. a balancing weight; 5. a rotating shaft; 6. a slide hole; 7. a lower oil storage bin; 8. an upper oil storage bin; 9. an oil leakage port; 10. a wear pad; 11. a protruding limit block; 12. a shock pad; 13. a spring; 14. a piston; 15. mounting a plate; 16. an oil pipe; 17. an upper oil leak hole; 18. a sealing plate; 19. a lower oil leak hole; 20. an oil delivery passage; 21. an oil outlet hole; 22. an elastic sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-4, a rear bearing seat comprises a lower base 1 and an upper cover 2 installed on the top side of the lower base 1, a groove for accommodating a bearing is formed on one side of the lower base 1 close to the upper cover 2, a lower oil storage bin 7 is formed on the lower base 1, the lower oil storage bin 7 is communicated with the groove on the lower base 1 through an oil leakage port 9, an upper oil storage bin 8 is formed in the upper cover 2, the upper oil storage bin 8 is communicated with the lower oil storage bin 7 through an oil pipe 16, a one-way valve is installed on the oil pipe 16, an oil outlet unit is arranged on the upper oil storage bin 8, the oil outlet unit is communicated with the upper oil storage bin 8 through a one-way valve mechanism, the oil outlet unit is communicated with the groove on the upper cover 2, an extension column 3 is installed on the top of the upper cover 2, a slide hole 6 is formed on the top side of the extension column 3, the slide hole 6 is communicated with the upper oil storage bin 8, a spring 13 is installed on the inner wall of the slide hole 6 through an installation plate 15, the bottom end of the spring 13 is provided with a piston 14, and the piston 14 is matched with the slide hole 6.

Based on the above mechanism, the lower base 1 and the upper cover 2 are installed together, the bearing is installed in the groove, the lubricating oil is installed in the lower oil storage bin 7, when the lower base 1 and the upper cover 2 vibrate up and down, the piston 14 connected with the spring 13 shakes due to inertia and moves back and forth in the sliding hole 6, when the piston 14 moves upwards, the one-way valve mechanism is closed, the one-way valve is opened, the oil pipe 16 is unblocked, under the action of atmospheric pressure, the lubricating oil in the lower oil storage bin 7 is sucked into the upper oil storage bin 8 through the oil pipe 16, when the piston 14 moves downwards, the one-way valve is closed, the passage of the oil pipe 16 is blocked, the one-way valve mechanism is opened, the lubricating oil in the upper oil storage bin 8 flows to the oil outlet unit through the one-way valve mechanism, and then flows to the bearing through the oil outlet unit, and the bearing is lubricated continuously.

As shown in fig. 3 and 4, the check valve mechanism includes a sealing plate 18, an upper oil leakage hole 17 and a lower oil leakage hole 19 are formed in the inner wall of the bottom side of the upper oil storage bin 8, and a step hole is formed, one side of the sealing plate 18 is rotatably mounted on the hole wall of the lower oil leakage hole 19 through a rotating shaft 5, the top side of the sealing plate 18 is matched with the bottom end of the upper oil leakage hole 17, the lower oil leakage hole 19 is communicated with the oil outlet unit, a reset unit is arranged at the bottom side of the sealing plate 18, the sealing plate 18 rotates through the rotating shaft 5, the sealing plate 18 rotates upwards under the action of the reset unit and seals the upper oil leakage hole 17 to prevent the flow of lubricating oil, the sealing plate 18 pushes the reset unit to rotate downwards under the action of air pressure, and a certain gap is formed between the sealing plate 18 and the upper oil leakage hole 17 to enable the lubricating oil to flow out.

As shown in fig. 4, the reset unit includes a spring plate 22, one end of the spring plate 22 is installed on the hole wall of the lower oil leakage hole 19, the top side of the spring plate 22 is matched with the bottom side of the sealing plate 18, the elastic force of the spring plate 22 pushes the sealing plate 18 to rotate upwards and seal the upper oil leakage hole 17, when pressure is received, the spring plate 22 deforms, and the sealing plate 18 rotates reversely.

As shown in fig. 3 and 4, the oil outlet unit includes two oil outlets 21, the upper cover 2 is provided with an oil conveying passage 20, the oil conveying passage 20 is communicated with the lower oil leakage hole 19, the two oil outlets 21 are located at two ends of the oil conveying passage 20, the two oil outlets 21 are communicated with the groove located on the upper cover 2, and through the arrangement of the two oil outlets 21, the two sides of the bearing can be lubricated simultaneously, so that the lubricating efficiency is improved.

As shown in fig. 1 and 4, a plurality of protruding limit blocks 11 are arranged on the inner walls of the two sides of the groove on the upper cover 2 and the lower base 1, and a certain gap is formed between the bearing and the groove by the arrangement of the protruding limit blocks 11, so that the lubricating oil can flow onto the bearing and can flow back into the lower oil storage bin 7.

As shown in fig. 1-4, wear pads 10 are installed in the grooves on the upper cover 2 and the lower base 1, shock pads 12 are installed between the upper cover 2 and the lower base 1, the wear pads 10 and the shock pads 12 both have a certain deformation, the wear pads 10 can be tightly attached to the outer side wall of the bearing, the shock pads 12 can adjust the distance between the upper cover 2 and the lower base 1 to a certain extent, the manufacturing error is compensated, the upper cover 2 and the lower base 1 can be fixed by the better bearing, the upper cover 2 and the lower base 1 form an approximately rigid body, and therefore the single vibration is reduced.

As shown in fig. 2 and 3, a weight block 4 is installed on the top side of the piston 14, the top side of the weight block 4 is connected with the bottom end of the spring 13, and the weight is increased by the weight block 4, so that the inertia of the piston 14 is increased, and the piston can better move back and forth in the slide hole 6.

This practical theory of operation:

the lower base 1 and the upper cover 2 are installed together, the bearing is installed in the groove, the lubricating oil is filled in the lower oil storage bin 7, when the vehicle runs on a bumpy road surface, the whole vehicle bumps and vibrates, when the lower base 1 and the upper cover 2 vibrate up and down, the piston 14 connected with the spring 13 shakes due to inertia and moves back and forth in the sliding hole 6, when the piston 14 moves upwards, the one-way valve mechanism is closed, the one-way valve is opened, the oil pipe 16 is unblocked, under the action of atmospheric pressure, the lubricating oil in the lower oil storage bin 7 is sucked into the upper oil storage bin 8 through the oil pipe 16, when the piston 14 moves downwards, the one-way valve is closed, the passage of the oil pipe 16 is blocked, the one-way valve mechanism is opened, the lubricating oil in the upper oil storage bin 8 flows to the oil outlet unit through the one-way valve mechanism and then flows to the bearing through the oil outlet unit, so that the bearing can be lubricated continuously, and the frequency of adding the lubricating oil to the bearing is reduced, is convenient for use.

The closing plate 18 takes place to rotate through pivot 5, the closing plate 18 upwards rotates under the effect of reset unit, and to go up oil leak hole 17 and seal, prevent the lubricating oil water conservancy diversion, under the atmospheric pressure effect, closing plate 18 promotes reset unit and rotates downwards, and form certain clearance between the last oil leak hole 17, make lubricating oil flow out, setting through two oil outlet 21, can lubricate the both sides of bearing simultaneously, improve lubricating efficiency, the cushion 10 all has certain deflection with shock pad 12, the cushion 10 can closely laminate with the bearing lateral wall, shock pad 12 can adjust the distance between upper cover 2 and the lower base 1 to a certain extent, compensate manufacturing error, make the better fixed bearing of upper cover 2 and lower base 1, make the bearing form an approximate rigid body with upper cover 2 and lower base 1, thereby reduce free vibration.

Finally, it should be noted that: 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 utility model.

Claims

1. A rear bearing seat comprises a lower base (1) and an upper cover (2) arranged on the top side of the lower base (1), and is characterized in that: one side of the lower base (1) close to one another of the upper cover (2) is provided with a groove for accommodating a bearing, the lower base (1) is provided with a lower oil storage bin (7), the lower oil storage bin (7) is communicated with the groove on the lower base (1) through an oil leakage opening (9), the upper cover (2) is internally provided with an upper oil storage bin (8), the upper oil storage bin (8) is communicated with the lower oil storage bin (7) through an oil pipe (16), the oil pipe (16) is provided with a one-way valve, the upper oil storage bin (8) is provided with an oil outlet unit, the oil outlet unit is communicated with the upper oil storage bin (8) through a one-way valve mechanism and is communicated with the groove on the upper cover (2), the top of the upper cover (2) is provided with an extension column (3), the top side of the extension column (3) is provided with a slide hole (6), the oil storage bin is characterized in that the sliding hole (6) is communicated with the upper oil storage bin (8), a spring (13) is installed on the inner wall of the sliding hole (6) through an installation plate (15), a piston (14) is installed at the bottom end of the spring (13), and the piston (14) is matched with the sliding hole (6).

2. A rear bearing block according to claim 1, wherein: the check valve mechanism comprises a sealing plate (18), an upper oil leakage hole (17) and a lower oil leakage hole (19) are formed in the inner wall of the bottom side of the upper oil storage bin (8) to form a step hole, one side of the sealing plate (18) is rotatably installed on the hole wall of the lower oil leakage hole (19) through a rotating shaft (5), the top side of the sealing plate (18) is matched with the bottom end of the upper oil leakage hole (17), the lower oil leakage hole (19) is communicated with the oil outlet unit, and a reset unit is arranged on the bottom side of the sealing plate (18).

3. A rear bearing block according to claim 2, wherein: the reset unit comprises an elastic sheet (22), one end of the elastic sheet (22) is installed on the hole wall of the lower oil leakage hole (19), and the top side of the elastic sheet (22) is matched with the bottom side of the sealing plate (18).

4. A rear bearing block according to claim 2, wherein: the oil outlet unit comprises two oil outlet holes (21), an oil conveying channel (20) is formed in the upper cover (2), the oil conveying channel (20) is communicated with the lower oil leakage hole (19), the oil outlet holes (21) are located at two ends of the oil conveying channel (20), and the oil outlet holes (21) are communicated with the grooves in the upper cover (2).

5. A rear bearing block according to claim 1, wherein: and a plurality of protruding limit blocks (11) are arranged on the inner walls of the two sides of the groove on the upper cover (2) and the lower base (1).

6. A rear bearing block according to claim 1, wherein: and the shock absorption pad is characterized in that the upper cover (2) and the lower base (1) are provided with wear-resistant pads (10) in the grooves, and a shock absorption pad (12) is arranged between the upper cover (2) and the lower base (1).

7. A rear bearing block according to claim 1, wherein: and a balancing weight (4) is installed on the top side of the piston (14), and the top side of the balancing weight (4) is connected with the bottom end of the spring (13).