CN212615960U

CN212615960U - Sliding bearing for water pump

Info

Publication number: CN212615960U
Application number: CN202021069211.8U
Authority: CN
Inventors: 高立军; 沙东雷; 孙超; 王耀辉
Original assignee: Xuzhou Une Innovative Technology Co ltd
Current assignee: Xuzhou Une Innovative Technology Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-02-26
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a slide bearing for water pump, including the bearing frame, the upper end of bearing frame is provided with the bearing cap, be provided with the axis of rotation between bearing frame and the bearing cap, the first axle bush of lateral wall fixedly connected with of axis of rotation, the outside of first axle bush is provided with second axle bush and quantity is two, be provided with between second axle bush and bearing frame, the bearing cap and hold the chamber, the inner wall of bearing frame and bearing cap and all be provided with first recess in the both sides that hold the chamber, the inside of bearing cap and fixedly connected with baffle in holding the chamber, the both ends lateral wall of second axle bush all is provided with bulge loop and first recess cooperation, the both ends inboard of second axle bush is provided with the lubrication groove, be provided with the inlet port in the lubrication groove. The utility model discloses in, be provided with the skew that the position takes place for bulge loop first axle bush, second axle bush and bearing frame and bearing cap, be provided with and hold the chamber and can store up a large amount of lubricated oil, reduce the frequency of filling.

Description

Sliding bearing for water pump

Technical Field

The utility model relates to a slide bearing field especially relates to a slide bearing for water pump.

Background

Plain bearings, bearings that operate under sliding friction. The sliding bearing works stably and reliably without noise. Under the condition of liquid lubrication, the sliding surface is separated by lubricating oil without direct contact, the friction loss and the surface abrasion can be greatly reduced, and the oil film also has certain vibration absorption capacity. But the starting frictional resistance is large. The portion of the shaft supported by the bearing is called the journal, and the part that mates with the journal is called the bearing shell. A layer of friction reducing material cast on the inner surface of a bearing shell to improve the friction properties of the surface is called a bearing lining. The materials of the bearing shell and the bearing liner are collectively referred to as sliding bearing materials.

Although the conventional sliding bearing is provided with a lubricating oil filling port, the storage cavity of the lubricating oil is small, and the lubricating oil needs to be filled frequently. Meanwhile, when the rotating shaft works between the bearing bushes of the existing sliding bearings, relative offset can occur, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sliding bearing for a water pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sliding bearing for a water pump comprises a bearing seat, wherein a bearing cover is arranged at the upper end of the bearing seat, fixing bolts are arranged on two sides of the upper end of the bearing cover, a rotating shaft is arranged between the bearing seat and the bearing cover, a first bearing bush is fixedly connected to the side wall of the rotating shaft, two second bearing bushes are arranged on the outer side of the first bearing bush, a containing cavity is arranged between the second bearing bush and the bearing seat and between the second bearing bush and the bearing cover, a first groove is arranged on the inner wall of the bearing seat and the inner wall of the bearing cover and on two sides of the containing cavity, a first sealing bolt and a second sealing bolt are sequentially arranged on two sides of the upper end of the bearing cover, a partition plate is fixedly connected inside the bearing cover and in the containing cavity, an oil filling hole is arranged inside the bearing cover and on one side of the partition plate, an oil discharging hole is arranged inside the bearing cover and on the other side of the partition plate, and second grooves are formed in the inner walls of the two ends of the second bearing bush, lubricating grooves are formed in the inner sides of the two ends of the second bearing bush, and an oil inlet hole is formed in each lubricating groove.

As a further description of the above technical solution:

and first fixing holes are formed in two ends of the bearing seat.

As a further description of the above technical solution:

the both ends of bearing cap all are provided with the second fixed orifices, the second fixed orifices is provided with fixing bolt and fixing bolt runs through and is provided with the spring pad.

As a further description of the above technical solution:

a first sealing bolt is arranged above the oil filling hole, and a second sealing bolt is arranged above the oil discharging hole.

As a further description of the above technical solution:

and the side walls of the two ends of the first bearing bush are provided with convex rings, and the convex rings are matched with the second grooves.

As a further description of the above technical solution:

and a sealing gasket is arranged between the bearing seat and the bearing cover in a contact manner.

The utility model discloses following beneficial effect has:

1. the utility model discloses, the setting of bulge loop can prevent, and in the axis of rotation work, the skew of position takes place for first axle bush, second axle bush and bearing frame and bearing cap, can also reduce leaking of lubricating oil simultaneously.

2. The utility model discloses, be provided with between second bearing bush and bearing frame, the bearing cap and hold the chamber, can save a large amount of lubricating oil, can reduce the frequency of lubricating oil filling, set up the oil baffle between holding the chamber simultaneously, the oil filler point oiling, the oil drain hole can be with waste oil discharge.

Drawings

Fig. 1 is a side view of a sliding bearing for a water pump according to the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

fig. 3 is a schematic structural view of a bearing cap of a sliding bearing for a water pump according to the present invention;

fig. 4 is the utility model provides a second bearing shoe structure schematic diagram of slide bearing for water pump.

Illustration of the drawings:

1. a first fixing hole; 2. a bearing seat; 3. fixing the bolt; 4. a bearing cap; 5. a rotating shaft; 6. a first seal bolt; 7. a second seal bolt; 8. a first bearing shell; 9. a cavity; 10. a second bearing shell; 11. a second fixing hole; 12. a first groove; 13. an oil filler hole; 14. a partition plate; 15. an oil drain hole; 16. a second groove; 17. a convex ring; 18. a lubrication groove; 19. an oil inlet hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a sliding bearing for a water pump comprises a bearing seat 2, a bearing cover 4 is arranged at the upper end of the bearing seat 2, two fixing bolts 3 are arranged on two sides of the upper end of the bearing cover 4, a rotating shaft 5 is arranged between the bearing seat 2 and the bearing cover 4, a first bearing bush 8 is fixedly connected to the side wall of the rotating shaft 5, two second bearing bushes 10 are arranged on the outer side of the first bearing bush 8, a containing cavity 9 is arranged between the second bearing bushes 10 and the bearing seat 2 and the bearing cover 4, a large amount of lubricating oil can be stored, the frequency of the lubricating oil filling can be reduced, an oil baffle plate 14 is arranged between the containing cavities 9, oil is filled into the oil filling hole 13, the waste oil can be discharged through an oil discharging hole 15, first grooves 12 are arranged on two sides of the containing cavity 9 and on the inner walls of the bearing seat 2 and the bearing cover 4, a first sealing bolt 6 and a second sealing bolt 7 are sequentially arranged on two, inside of bearing cap 4 and be provided with oil filler point 13 in one side of baffle 14, inside of bearing cap 4 and be provided with oil drain hole 15 in the opposite side of baffle 14, the both ends lateral wall of second bearing bush 10 all is provided with bulge loop 17 and first recess 12 cooperation, the setting of bulge loop 17 can prevent, in axis of rotation 5 work, the skew of playing the position takes place for first bearing bush 8, second bearing bush 10 and bearing frame 2 and bearing cap 4, can also reduce leaking of lubricating oil simultaneously, the both ends inner wall of said second bearing bush 10 is provided with second recess 16, the both ends inboard of second bearing bush 10 is provided with lubrication groove 18, be provided with inlet port 19 in lubrication groove 18.

The both ends of bearing frame 2 all are provided with first fixed orifices 1, the both ends of bearing cap 4 all are provided with second fixed orifices 11, second fixed orifices 11 are provided with fixing bolt 3 and run through and are provided with the spring pad, the top of oil filler point 13 is provided with first sealing bolt 6, the top of oil drain hole 15 is provided with second sealing bolt 7, the both ends lateral wall of first axle bush 8 is provided with bulge loop 17, bulge loop 17 and the cooperation of second recess 16, the contact is provided with sealed the pad between bearing frame 2 and the bearing cap 4.

The working principle is as follows: when the utility model is used, the first bearing bush 8 is arranged at the shaft shoulder of the rotating shaft 5, the bearing seat 2 is fixed, the second bearing bush 10 is arranged on the inner wall of the bearing seat 2, the convex ring 17 is matched with the first groove 12, the first bearing bush 8 is arranged on the inner wall of the second bearing bush 10, the convex ring 17 of the first bearing bush 8 is matched with the second groove 16, the second bearing bush 10 and the bearing cover 4 are sequentially arranged on the first bearing bush 8 and fixed by the fixing bolt 3, the lubricating oil reaches the lubricating groove 18 through the oil inlet hole 19, the lubricating oil is lubricated between the first bearing bush 8 and the second bearing bush 10, the arrangement of the convex ring 17 can prevent the position deviation of the first bearing bush 8, the second bearing bush 10, the bearing seat 2 and the bearing cover 4 during the operation of the rotating shaft 5, meanwhile, the leakage of the lubricating oil can be reduced, the accommodating cavity 9 is arranged between the second bearing bush 10 and the bearing seat 2 and, a large amount of lubricating oil can be stored, the frequency of lubricating oil filling can be reduced, meanwhile, an oil partition plate 14 is arranged between the cavities 9, oil is filled into the oil filling holes 13, and waste oil can be discharged from the oil discharging holes 15.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a slide bearing for water pump, includes bearing frame (2), its characterized in that: the bearing seat is characterized in that a bearing cover (4) is arranged at the upper end of the bearing seat (2), fixing bolts (3) are arranged on two sides of the upper end of the bearing cover (4), a rotating shaft (5) is arranged between the bearing seat (2) and the bearing cover (4), a first bearing bush (8) is fixedly connected to the side wall of the rotating shaft (5), two second bearing bushes (10) are arranged on the outer side of the first bearing bush (8), an accommodating cavity (9) is arranged between the second bearing bushes (10) and the bearing seat (2) and between the bearing cover (4), first grooves (12) are arranged on the inner walls of the bearing seat (2) and the bearing cover (4) and on two sides of the accommodating cavity (9), first sealing bolts (6) and second sealing bolts (7) are sequentially arranged on two sides of the upper end of the bearing cover (4), a partition plate (14) is fixedly connected to the inside of the bearing cover (4) and in, the oil-filling bearing is characterized in that an oil filling hole (13) is formed in one side of a partition plate (14) and inside of a bearing cover (4), an oil discharging hole (15) is formed in the other side of the partition plate (14) and inside of the bearing cover (4), protruding rings (17) and first grooves (12) are arranged on the side walls of the two ends of a second bearing bush (10) in a matched mode, second grooves (16) are formed in the inner walls of the two ends of the second bearing bush (10), lubricating grooves (18) are formed in the inner sides of the two ends of the second bearing bush (10), and oil inlet holes (19) are formed in the lubricating grooves (18).

2. A sliding bearing for a water pump according to claim 1, characterized in that: and the two ends of the bearing seat (2) are provided with first fixing holes (1).

3. A sliding bearing for a water pump according to claim 1, characterized in that: both ends of bearing cap (4) all are provided with second fixed orifices (11), second fixed orifices (11) are provided with fixing bolt (3) and fixing bolt (3) run through and are provided with the spring pad.

4. A sliding bearing for a water pump according to claim 1, characterized in that: a first sealing bolt (6) is arranged above the oil filling hole (13), and a second sealing bolt (7) is arranged above the oil discharging hole (15).

5. A sliding bearing for a water pump according to claim 1, characterized in that: the side walls of two ends of the first bearing bush (8) are provided with convex rings (17), and the convex rings (17) are matched with the second grooves (16).

6. A sliding bearing for a water pump according to claim 1, characterized in that: and a sealing gasket is arranged between the bearing seat (2) and the bearing cover (4) in a contact manner.