CN219809293U - Composite solid self-lubricating sliding bearing - Google Patents

Abstract

The utility model relates to the technical field of sliding bearings, in particular to a composite solid self-lubricating sliding bearing, which comprises a bearing seat, a bearing bush and a bearing cover, wherein a first cavity is formed in the middle part in the bearing seat, a second cavity is formed in the middle part in the bearing cover, a plurality of through holes which are uniformly distributed are formed in the first cavity and the second cavity, a plurality of oil storage grooves which are uniformly distributed are formed in the periphery of the bearing bush, and an oil supply assembly is arranged at the top of the bearing cover; the beneficial effects are as follows: under the cooperation of spring for the clamp plate moves downwards along the spout, under the cooperation of first oil pipe and second oil pipe, makes lubricating oil can get into first cavity and second cavity, and can get into in the round hole between bearing frame and the bearing cap along the through-hole, thereby can reduce the frictional force when the device operates, can avoid lubricating oil not in time to add, influence bearing result in use, lead to bearing wearing and tearing to accelerate, reduction life.

Description

Composite solid self-lubricating sliding bearing

Technical Field

The utility model relates to the technical field of sliding bearings, in particular to a composite solid self-lubricating sliding bearing.

Background

Sliding bearings, bearings operating under sliding friction. The sliding bearing works stably, reliably and noiseless, under the condition of liquid lubrication, the sliding surfaces are separated by the lubricating oil without direct contact, friction loss and surface abrasion can be greatly reduced, and the oil film has certain vibration absorbing capability.

In the prior art, the part of the shaft supported by the bearing is called a journal, and a part matched with the journal is called a bearing bush, and in order to improve the friction property of the surface of the bearing bush, a worker smears lubricating oil on the surface of the bearing bush, so that the friction resistance between the shaft and the bearing is reduced.

However, as the bearing is used for a long time, the lubricating oil is gradually consumed, and if the lubricating oil is not added in time, the use effect of the bearing is easily affected, so that the abrasion of the bearing is accelerated, and the service life of the bearing is reduced.

Disclosure of Invention

The utility model aims to provide a composite solid self-lubricating sliding bearing so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a compound solid self-lubricating slide bearing, includes bearing frame, axle bush and bearing cap, the middle part is provided with first cavity in the bearing frame, the middle part is provided with the second cavity in the bearing cap, first cavity with a plurality of evenly distributed's through-hole has been seted up in the second cavity, the axle bush periphery is provided with a plurality of evenly distributed's oil storage tank, oil feeding unit is installed at the bearing cap top.

Preferably, the oil storage tank is rectangular in shape, and the bearing bush is made of ceramic materials.

Preferably, the oil supply assembly comprises an oil tank, rod sleeves are symmetrically arranged at the inner top of the oil tank, movable rods are slidably connected in the rod sleeves, pressing plates are arranged at the bottoms of the movable rods, and springs are sleeved outside the movable rods in a Zhou Jun mode.

Preferably, the sliding grooves are symmetrically formed in the inner side walls of the two sides of the oil tank, and four corners of the pressing plate are respectively and slidably connected in the sliding grooves.

Preferably, a sealing ring is arranged at the edge of the outer side of the pressing plate, and an oil filling pipe is arranged at the rear side of the oil tank.

Preferably, one side of the front end of the oil tank is fixedly connected with a first oil pipe, the other side of the oil tank is fixedly connected with a second oil pipe, one end, away from the oil tank, of the first oil pipe is communicated with the second cavity, one end, away from the oil tank, of the second oil pipe is communicated with the first cavity, and the peripheries of the first oil pipe and the second oil pipe are provided with one-way valves.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, under the cooperation of the springs, the movable rod can be pushed to move downwards, so that the pressing plate moves downwards along the sliding groove, under the cooperation of the first oil pipe and the second oil pipe, lubricating oil can enter the first cavity and the second cavity and can enter the round hole between the bearing seat and the bearing cover along the through hole, so that the friction force of the device during operation can be reduced, the phenomenon that the lubricating oil is not added timely, the using effect of the bearing is influenced, the abrasion of the bearing is accelerated, and the service life of the bearing is shortened can be avoided.

Drawings

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

FIG. 2 is a schematic view of a partial structure of an oil supply unit according to the present utility model;

FIG. 3 is a cross-sectional plan view of the present utility model;

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is a schematic view of a partial structure of a bearing shell according to the present utility model;

fig. 6 is a schematic view of the internal structure of the fuel tank of the present utility model.

In the figure: 1. a bearing seat; 2. a bearing cap; 3. an oil supply assembly; 301. an oil tank; 302. a first oil pipe; 303. a one-way valve; 304. a second oil pipe; 305. a spring; 306. a pressing plate; 307. a movable rod; 308. a chute; 309. a rod sleeve; 4. bearing bush; 5. an oil storage tank; 6. a first cavity; 7. a second cavity; 8. and a through hole.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Embodiment one: referring to fig. 1 to 6, the present utility model provides a technical solution: the utility model provides a compound solid self-lubricating slide bearing, including bearing frame 1, axle bush 4 and bearing cap 2, the middle part is provided with first cavity 6 in the bearing frame 1, the middle part is provided with second cavity 7 in the bearing cap 2, a plurality of evenly distributed's through-hole 8 have been seted up in first cavity 6 and the second cavity 7, the axle bush 4 periphery is provided with a plurality of evenly distributed's oil storage tank 5, oil feeding unit 3 is installed at bearing cap 2 top, owing to be provided with spring 305 in the spacing subassembly, movable rod 307 and clamp plate 306 for clamp plate 306 moves down along spout 308, can extrude the lubricating oil in the oil tank 301, and the lubricating oil can get into respectively in first cavity 6 and the second cavity 7 along first oil pipe 302 and second oil pipe 304, owing to be provided with through-hole 8 in first cavity 6 and the second cavity 7, make in the round hole between bearing frame 1 and the bearing cap 2 can follow through-hole 8.

Embodiment two:

on the basis of the first embodiment, the structure of the composite solid self-lubricating sliding bearing disclosed in the second embodiment is basically the same as that of the first embodiment, and the composite solid self-lubricating sliding bearing is characterized in that the oil storage tank 5 is rectangular in shape, the bearing bush 4 is made of ceramic material, the oil supply assembly 3 comprises an oil tank 301, a rod sleeve 309 is symmetrically arranged at the inner top of the oil tank 301, movable rods 307 are slidably connected in the rod sleeve 309, a pressing plate 306 is arranged at the bottom of the movable rod 307, springs 305 are sleeved outside Zhou Jun of the movable rod 307, sliding grooves 308 are symmetrically arranged on the inner side walls of two sides of the oil tank 301, four corners of the pressing plate 306 are slidably connected in the sliding grooves 308 respectively, smoothness of the pressing plate 306 in the moving process can be improved by arranging the sliding grooves 308, and the pressing plate 306 stably presses down lubricating oil in the oil tank 301, sealing rings are arranged at the outer side edges of the pressing plate 306, through setting up the sealing washer, when can avoiding clamp plate 306 to extrude lubricating oil, clamp plate 306 and oil tank 301 lateral wall have the space, influence clamp plate 306 extrusion lubricating oil, the oil filler pipe is installed to oil tank 301 rear side, oil tank 301 front end one side fixedly connected with first oil pipe 302, oil tank 301 opposite side fixedly connected with second oil pipe 304, oil tank 301 one end and second cavity 7 intercommunication are kept away from to first oil pipe 302, oil tank 301 one end and first cavity 6 intercommunication are kept away from to second oil pipe 304, first oil pipe 302 and second oil pipe 304 periphery all are provided with check valve 303, through setting up check valve 303, can avoid in the lubricating oil in first cavity 6 and the second cavity 7 flows backwards under external environment's influence gets into oil tank 301, and then influence the normal work of first oil pipe 302 and second oil pipe 304.

The scheme is specifically as follows: in the actual use process, the lubricating oil is gradually consumed, at this time, under the cooperation of the spring 305, the movable rod 307 can be pushed to move downwards, so that the pressing plate 306 moves downwards along the sliding groove 308, the lubricating oil in the oil tank 301 can be extruded, and the lubricating oil can enter the first cavity 6 and the second cavity 7 along the first oil pipe 302 and the second oil pipe 304 respectively, and due to the fact that the through holes 8 are formed in the first cavity 6 and the second cavity 7, the lubricating oil can enter the round holes between the bearing seat 1 and the bearing cover 2 along the through holes 8, friction force of the device in operation can be reduced, and the oil storage groove 5 is formed in the surface of the bearing bush 4, when the device is not used, the lubricating oil can be attached to the inner wall of the oil storage groove 5, so that more lubricating oil can be attached to the outer wall of the bearing bush 4.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a compound solid self-lubricating slide bearing, includes bearing frame (1), axle bush (4) and bearing cap (2), its characterized in that: the bearing comprises a bearing seat (1), wherein a first cavity (6) is formed in the middle of the bearing seat, a second cavity (7) is formed in the middle of the bearing cover (2), a plurality of evenly distributed through holes (8) are formed in the first cavity (6) and the second cavity (7), a plurality of evenly distributed oil storage tanks (5) are formed in the periphery of a bearing bush (4), and an oil supply assembly (3) is arranged at the top of the bearing cover (2).

2. The composite solid self-lubricating slide bearing of claim 1, wherein: the shape of the oil storage tank (5) is rectangular, and the bearing bush (4) is made of ceramic materials.

3. The composite solid self-lubricating slide bearing of claim 1, wherein: the oil supply assembly (3) comprises an oil tank (301), rod sleeves (309) are symmetrically arranged at the inner top of the oil tank (301), movable rods (307) are connected in the rod sleeves (309) in a sliding mode, pressing plates (306) are arranged at the bottoms of the movable rods (307), and springs (305) are sleeved outside the movable rods (307) and sleeved outside the Zhou Jun.

4. A composite solid self-lubricating plain bearing according to claim 3, characterized in that: sliding grooves (308) are symmetrically formed in the inner side walls of the two sides of the oil tank (301), and four corners of the pressing plate (306) are respectively and slidably connected in the sliding grooves (308).

5. The composite solid self-lubricating slide bearing of claim 4 wherein: and a sealing ring is arranged at the outer side edge of the pressing plate (306), and an oil filling pipe is arranged at the rear side of the oil tank (301).

6. The composite solid self-lubricating slide bearing of claim 5 wherein: the oil tank is characterized in that a first oil pipe (302) is fixedly connected to one side of the front end of the oil tank (301), a second oil pipe (304) is fixedly connected to the other side of the oil tank (301), one end, away from the oil tank (301), of the first oil pipe (302) is communicated with the second cavity (7), one end, away from the oil tank (301), of the second oil pipe (304) is communicated with the first cavity (6), and one-way valves (303) are arranged on the peripheries of the first oil pipe (302) and the second oil pipe (304).