CN212278052U - Graphite self-lubricating precision bearing sleeve - Google Patents

Abstract

The utility model discloses a graphite self-lubricating precision bearing cover, including motor housing, motor housing has protecgulum and hou gai through bolt fixed mounting respectively, and motor housing's inside is equipped with the motor shaft, and the motor shaft runs through the protecgulum, and the fixed rotor that has cup jointed in the outside of motor shaft. The utility model discloses in, at first, there are protecgulum and hou gai through bolt fixed mounting respectively on motor housing, the inboard of protecgulum is equipped with the mounting groove, the fixed bearing housing that has cup jointed in the mounting groove, be equipped with the polymerization ceramic layer between bearing housing and mounting groove, the corrosion resisting property of bearing housing has been increased, thereby prolong the life of bearing housing, and low cost, high durability and convenient installation, and is suitable for batch production, secondly, the through-hole has been seted up to the side through the bearing housing, the inside fixed graphite post that cup joints of through-hole, the bearing rotates in-process, the graphite post changes the graphite powder and forms one deck graphite film in the pivot surface through the friction, reduce the frictional force of pivot between the bearing housing, reducing wear.

Description

Graphite self-lubricating precision bearing sleeve

Technical Field

The utility model relates to a bearing housing technical field especially relates to a graphite self-lubricating precision bearing cover.

Background

The bearing is inevitably worn between the bearing sleeve and the rotating shaft in the working process, and long-term wear not only can cause the bearing to be incapable of working normally at high temperature, but also can possibly cause serious safety accidents. In order to reduce the loss of the bearing, a lubricating system is necessarily arranged in a general mechanical system, the abrasion is reduced by adding lubricating oil between working surfaces between a shaft sleeve and a rotating shaft, the service life of equipment is prolonged, and meanwhile, the bearing sleeve is easy to corrode after being exposed in air for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a graphite self-lubricating precision bearing sleeve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a graphite self-lubricating precision bearing housing, includes motor housing, motor housing has protecgulum and hou gai through bolt difference fixed mounting, motor housing's inside is equipped with the motor shaft, the motor shaft runs through the protecgulum, and the outside of motor shaft is fixed to be cup jointed the rotor, fixedly connected with stator on motor housing's the inner wall, and motor housing's top is equipped with the wiring end, the outside of motor shaft is located the inside fixed mounting of back lid and has the mounting panel, the side welding of mounting panel has the flabellum, the mounting groove has been seted up to the inboard of protecgulum, the inside of mounting groove is fixed to have been cup jointed the bearing housing, the inside of bearing housing is equipped with the bearing, and the outside of bearing housing has seted up the through-hole the inboard of back lid is equipped with the stock solution box, the.

Preferably, the number of the through holes is multiple, and graphite columns are fixedly sleeved in the through holes.

Preferably, the outer side of the front cover is welded with five reinforcing ribs.

Preferably, the side of the liquid storage box is fixedly connected with a liquid inlet pipe, the liquid inlet pipe is communicated with the liquid storage box, and a water cooling pipe is arranged on the side of the liquid storage box.

Preferably, the water-cooling pipe is respectively provided with a water outlet pipe and a water inlet pipe, and the liquid storage box is respectively communicated with the water outlet pipe and the water inlet pipe on the water-cooling pipe.

Preferably, the middle part of the rear cover is fixedly provided with an annular fixing frame, and hollow parts of the annular fixing frame are provided with dust screens.

Preferably, the front cover and the rear cover are both made of stainless steel.

Preferably, a polymer ceramic layer is arranged between the bearing sleeve and the mounting groove.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, a front cover and a rear cover are fixedly arranged on a motor shell through bolts respectively, the inner side of the front cover is provided with a mounting groove, a bearing sleeve is fixedly sleeved in the mounting groove, a polymeric ceramic layer is arranged between the bearing sleeve and the mounting groove, the corrosion resistance of the bearing sleeve is improved, the service life of the bearing sleeve is prolonged, the cost is low, the mounting is convenient, the mounting is suitable for batch production, secondly, a through hole is arranged on the side surface of the bearing sleeve, a graphite column is fixedly sleeved in the through hole, in the rotation process of the bearing, the graphite column is converted into graphite powder through friction and is attached to the surface of a rotating shaft to form a graphite film, the friction force between the rotating shaft and the bearing sleeve is reduced, the abrasion is reduced, in addition, a liquid storage box is arranged on the inner side of the rear cover through a fixing plate, water cooling liquid is stored in the liquid storage box, the water cooling liquid flows into a, can absorb the temperature in the motor casing fast, at back lid mid-mounting ring frame again, the fretwork department of ring frame is equipped with the dust screen, the dust screen can prevent the dust greatly and enter into the motor casing, the internally mounted who is located the back lid in the outside of motor shaft again has the mounting panel, the side welding flabellum of mounting panel, the flabellum can blow off the temperature on the water-cooled tube outside the motor casing, make the temperature in the motor casing reduce, thereby reduce the temperature of the bearing housing of long-term wearing and tearing, avoid the unable normal work of bearing high temperature and probably can arouse serious incident even, the inevitable meeting wearing and tearing of bearing between axle sleeve and pivot in the course of the work have been solved, long-term wearing and tearing not only probably lead to the unable normal work of bearing high temperature and probably can arouse. In order to reduce the loss of the bearing, a lubricating system is necessarily arranged in a general mechanical system, the abrasion is reduced by adding lubricating oil between working surfaces between a shaft sleeve and a rotating shaft, the service life of equipment is prolonged, and meanwhile, the bearing sleeve is easy to corrode after being exposed to air for a long time.

Drawings

Fig. 1 is a front view of a graphite self-lubricating precision bearing sleeve according to the present invention;

fig. 2 is a front cut-away view of a graphite self-lubricating precision bearing sleeve provided by the present invention;

fig. 3 is a front cover diagram of a graphite self-lubricating precision bearing sleeve provided by the utility model;

fig. 4 is a rear cover diagram of a graphite self-lubricating precision bearing sleeve provided by the utility model;

fig. 5 is a schematic view of a bearing sleeve structure of a graphite self-lubricating precision bearing sleeve provided by the present invention;

fig. 6 is the utility model provides a local structure schematic diagram of graphite self-lubricating precision bearing cover.

In the figure: 1. a motor housing; 2. a front cover; 3. a rear cover; 4. a motor shaft; 5. a rotor; 6. a stator; 7. a terminal; 8. mounting a plate; 9. a fan blade; 10. mounting grooves; 11. a bearing housing; 111. a bearing; 112. a through hole; 113. a graphite column; 12. reinforcing ribs; 13. a liquid storage box; 14. a fixing plate; 15. a water-cooled tube; 16. an annular frame; 17. a dust screen.

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.

Referring to fig. 1-6, the present invention provides a technical solution: a graphite self-lubricating precision bearing sleeve comprises a motor shell 1, wherein the motor shell 1 is respectively and fixedly provided with a front cover 2 and a rear cover 3 through bolts, a motor shaft 4 is arranged inside the motor shell 1, the motor shaft 4 penetrates through the front cover 2, and the outer side of the motor shaft 4 is fixedly sleeved with a rotor 5, the inner wall of the motor shell 1 is fixedly connected with a stator 6, and the top of the motor casing 1 is provided with a wiring terminal 7, the outer side of the motor shaft 4 is positioned in the rear cover 3 and is fixedly provided with an installation plate 8, the side surface of the installation plate 8 is welded with fan blades 9, the inner side of the front cover 2 is provided with an installation groove 10, the inside of the installation groove 10 is fixedly sleeved with a bearing sleeve 11, the inside of the bearing sleeve 11 is provided with a bearing 111, and the outside of bearing housing 11 is seted up through-hole 112, the inboard of back lid 3 is equipped with liquid storage box 13, and the side welding of liquid storage box 13 has fixed plate 14, and fixed plate 14 passes through threaded connection with back lid 3.

The quantity of through-hole 112 is a plurality of, the fixed internal fixation of a plurality of through-holes 112 has connect graphite column 113, the outside welding of protecgulum 2 has strengthening rib 12, the quantity of strengthening rib 12 is five, the side fixedly connected with feed liquor pipe of stock solution box 13, feed liquor pipe and stock solution box 13 intercommunication, and the side of stock solution box 13 is equipped with water-cooled tube 15, be equipped with outlet pipe and inlet tube on the water-cooled tube 15 respectively, the stock solution box 13 respectively with outlet pipe and the inlet tube intercommunication on the water-cooled tube 15, the middle part fixed mounting of back lid 3 has annular frame 16, the fretwork department of annular frame 16 all is equipped with dust screen 17, protecgulum 2 and back lid 3 are stainless steel, it has increased bearing housing 11's corrosion resisting property to be equipped with the polymerization ceramic layer between bearing housing 11 and the mounting groove 10, generally improved bearing housing 11's life, and these material's low cost, and convenient.

The working principle is as follows: firstly, after the bearing 111 works for a long time, the bearing sleeve 11 generates high temperature, the front cover 2 and the rear cover 3 are respectively fixedly installed on the motor shell 1 through bolts, the inner side of the front cover 2 is provided with the installation groove 10, the bearing sleeve 11 is fixedly sleeved in the installation groove 10, the polymeric ceramic layer is arranged between the bearing sleeve 11 and the installation groove 10, the corrosion resistance of the bearing sleeve 11 is increased, the service life of the bearing sleeve 11 is generally prolonged, the materials are low in cost and convenient to install, and are suitable for batch production, the side surface of the bearing sleeve 11 is provided with the through hole 112, the graphite column 113 is fixedly sleeved in the through hole 112, during the rotation process of the bearing 111, the graphite column 113 is converted into graphite powder through friction and is attached to the surface of the rotating shaft to form a graphite film, the friction force of the rotating shaft between the bearing sleeve 11 is reduced, the abrasion is reduced, the liquid storage box 13 is installed on the inner side of, the water cooling liquid is stored in the liquid storage box 13 and flows into the water cooling pipe 15 communicated with the liquid storage box 13, a water outlet pipe and a water inlet pipe on the water cooling pipe 15 are communicated with the liquid storage box 13, the temperature in the motor shell 1 can be quickly absorbed, the middle part of the back cover 3 is provided with the annular frame 16, the hollow part of the annular frame 16 is provided with the dustproof net 17, the dustproof net 17 can greatly prevent dust from entering the motor shell 1, the mounting plate 8 is arranged at the outer side of the motor shaft 4 and positioned in the back cover 3, the side surface of the mounting plate 8 is welded with the fan blade 9, the fan blade 9 can blow the temperature on the water cooling pipe 15 out of the motor shell 1, so that the temperature in the motor shell 1 is reduced, the temperature of the bearing sleeve 11 which is worn for a long time is reduced, the problem that the bearing 111 cannot normally work even possibly cause serious safety accidents due to high temperature is solved, the inevitable wear between the, the long-term wear may not only cause the bearing 111 to work normally at high temperature, but also cause serious safety accidents. In order to reduce the loss of the bearing 111, a lubrication system is necessarily arranged in a general mechanical system, the abrasion is reduced by adding lubricating oil between the working surfaces between the shaft sleeve and the rotating shaft, the service life of equipment is prolonged, and the bearing sleeve 11 is easy to corrode after being exposed to air for a long time.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a graphite self-lubricating precision bearing cover, includes motor housing (1), its characterized in that: the motor comprises a motor shell (1), a front cover (2) and a rear cover (3) are fixedly mounted on the motor shell (1) through bolts respectively, a motor shaft (4) is arranged inside the motor shell (1), the motor shaft (4) penetrates through the front cover (2), a rotor (5) is fixedly sleeved on the outer side of the motor shaft (4), a stator (6) is fixedly connected onto the inner wall of the motor shell (1), a wiring end (7) is arranged at the top of the motor shell (1), a mounting plate (8) is fixedly mounted on the outer side of the motor shaft (4) and located inside the rear cover (3), fan blades (9) are welded on the side face of the mounting plate (8), a mounting groove (10) is formed in the inner side of the front cover (2), a bearing sleeve (11) is fixedly sleeved inside the mounting groove (10), a bearing sleeve (11) is arranged inside the bearing sleeve (11), a through hole (112) is formed in the outer side of the bearing sleeve (11), a liquid storage box, the side welding of stock solution box (13) has fixed plate (14), fixed plate (14) pass through threaded connection with back lid (3).

2. The graphite self-lubricating precision bearing sleeve as claimed in claim 1, wherein: the number of the through holes (112) is multiple, and graphite columns (113) are fixedly sleeved in the through holes (112).

3. The graphite self-lubricating precision bearing sleeve as claimed in claim 1, wherein: the outer side of the front cover (2) is welded with five reinforcing ribs (12), and the number of the reinforcing ribs (12) is five.

4. The graphite self-lubricating precision bearing sleeve as claimed in claim 1, wherein: the side fixedly connected with feed liquor pipe of stock solution box (13), feed liquor pipe and stock solution box (13) intercommunication, and the side of stock solution box (13) is equipped with water-cooled tube (15).

5. The graphite self-lubricating precision bearing sleeve as claimed in claim 4, wherein: the water-cooled tube (15) is respectively provided with a water outlet pipe and a water inlet pipe, and the liquid storage box (13) is respectively communicated with the water outlet pipe and the water inlet pipe on the water-cooled tube (15).

6. The graphite self-lubricating precision bearing sleeve as claimed in claim 1, wherein: the middle part of the rear cover (3) is fixedly provided with an annular frame (16), and hollow parts of the annular frame (16) are provided with dust screens (17).

7. The graphite self-lubricating precision bearing sleeve as claimed in claim 1, wherein: the front cover (2) and the rear cover (3) are both made of stainless steel.

8. The graphite self-lubricating precision bearing sleeve as claimed in claim 1, wherein: and a polymer ceramic layer is arranged between the bearing sleeve (11) and the mounting groove (10).

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