Bearing oil supply structure

Abstract

The utility model relates to the technical field of bearing lubrication assemblies, in particular to a bearing oil supply structure which comprises a lower bearing seat, an upper bearing seat is detachably connected to the upper surface of the lower bearing seat, and bearing cavities are formed in the inner annular side faces of the lower bearing seat and the upper bearing seat. Two symmetrical outer oil liquid grooves are further formed in the inner annular side faces of the lower bearing seat and the upper bearing seat, the bearing cavities are located between the two outer oil liquid grooves, the outer oil liquid grooves are communicated with the bearing cavities through a plurality of through holes, bearings are arranged in the upper bearing cavity and the lower bearing cavity, an inner oil liquid cavity is formed in the upper bearing seat, and the inner oil liquid cavity is communicated with the inner oil liquid grooves. A plurality of oil inlet holes are formed in the bottom wall of the inner oil liquid cavity, a plurality of oil outlet holes communicated with the corresponding oil inlet holes are formed in the groove wall of the outer side of the outer oil liquid groove, and a liquid injection pipe communicated with the inner oil liquid cavity is fixedly installed on the top face of the upper bearing seat. Oil can be conveniently supplied when the bearing runs, the lubricating efficiency is remarkably improved, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing lubrication subassembly technical field, concretely relates to a bearing oil supply structure. BACKGROUND

[0002] In the mechanical transmission system, bearing is a commonly used mechanical connecting component, bearing is generally installed on the bearing seat, bearing connects the external transmission shaft, since the inner ring and the outer ring of bearing can rotate independently, at this time, after the external transmission shaft is installed in the bearing part, the friction can be reduced, and the rotation of the external transmission shaft is more smooth.

[0003] However, when bearing is directly installed in the bearing seat, certain friction will be generated due to mutual rotation, and the friction will aggravate the wear of bearing, at this time, in order to prolong the service life of bearing, in addition to the precision adaptation between bearing and bearing seat, lubrication operation needs to be carried out on the bearing part, and the wear can be reduced through lubrication.

[0004] Reliable lubrication of bearing is the key to guarantee normal operation and prolong service life, and the existing bearing oil supply mainly relies on manual smearing of lubricating oil, in specific operation, the upper cover and the lower cover of the bearing seat need to be disassembled, the internal bearing is exposed, and then the smearing operation of lubricating oil is carried out, although normal lubrication can be carried out, when the bearing has been put into use, the external transmission shaft has been installed on the bearing, at this time, the disassembled lubrication will delay a lot of time, the processing efficiency is affected, and meanwhile, the operation is relatively cumbersome, which is not favorable for achieving the effect that lubricating oil is conveniently supplied. In view of this, the utility model provides a bearing oil supply structure. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a bearing oil supply structure to solve the defects in the background art.

[0006] In order to realize the above object, the utility model provides the following technical scheme:

[0007] A bearing oil supply structure, including lower bearing seat, the upper surface of the lower bearing seat is detachably connected with upper bearing seat, the inner annular side surface of the lower bearing seat and the upper bearing seat is provided with bearing chamber, the inner annular side surface of the lower bearing seat and the upper bearing seat is also provided with two mutually symmetrical outer oil grooves, the bearing chamber is located between the two outer oil grooves, and the outer oil groove is connected with the bearing chamber through a plurality of through holes, and the bearing is arranged in the upper and lower bearing chambers, the inner oil chamber is arranged in the upper bearing seat, a plurality of oil inlet holes are formed in the bottom wall of the inner oil chamber, a plurality of oil outlet holes are formed in the outer side groove wall of the outer oil groove and communicated with the corresponding oil inlet holes, and the injection pipe communicated with the inner oil chamber is fixedly installed on the top surface of the upper bearing seat.

[0008] Preferably, the bottom wall part of the bearing chamber in the lower bearing seat is provided with a dirt hole, and the depth of the dirt hole is between 5mm and 9mm.

[0009] Preferably, the liquid injection pipe is provided with a uncovering plate, a rubber plug is fixedly installed on the front surface of the uncovering plate, and the rubber plug is in clamping connection with the liquid injection pipe.

[0010] Preferably, the liquid injection pipe and the uncovering plate are rotationally connected through a rubber belt, and the outer diameter of the uncovering plate is greater than the outer diameter of the liquid injection pipe.

[0011] Preferably, the liquid injection pipe is provided with an annular groove, and a thimble is fixedly installed at the end of the rubber belt away from the uncovering plate, the thimble is sleeved on the annular groove and rotationally connected with the liquid injection pipe.

[0012] Preferably, the left and right side surfaces of the lower bearing seat are both fixedly installed with a fixed base, and the fixed base is fixedly installed on an external frame body.

[0013] Preferably, the left and right side surfaces of the lower bearing seat are both fixedly installed with front and rear two mutually symmetrical lower protrusions, the left and right side surfaces of the upper bearing seat are both fixedly installed with front and rear two mutually symmetrical upper protrusions, and the lower protrusions and the upper protrusions are fixedly connected through fastening screws.

[0014] Preferably, the top surface of the lower bearing seat is provided with a plurality of positioning holes, the bottom surface of the upper bearing seat is fixedly installed with a plurality of guide columns, the guide columns are in plug-in connection with the corresponding positioning holes, the bottom end of the guide column is fixedly installed with a circular truncated cone end, and the circular truncated cone end is in the shape of a circular truncated cone with thick upper part and thin lower part.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The utility model discloses an external oil groove, a through hole, an internal oil chamber, an oil inlet hole and an oil outlet hole are arranged in the upper and lower bearing seats, lubricating oil is injected into the internal oil chamber through the liquid injection pipe, then flows into the external oil groove through the oil inlet hole and the oil outlet hole, and is uniformly delivered to the bearing chamber through the through hole, part of the lubricating oil can be directly sprayed to the bearing part from the oil outlet hole part, the bearing part is lubricated, the cumbersome operation of traditional disassembly and smearing is avoided, oil supply is convenient when the bearing is running, and lubricating efficiency is remarkably improved.

[0017] 2. The uncovering plate and the rubber plug clamping structure on the liquid injection pipe are combined with the rotationally connected design of the rubber belt and the thimble, the liquid injection pipe can be quickly opened and sealed when oil is injected, and the liquid injection pipe can be stably sealed after oil injection, so that lubricating oil leakage and impurities are prevented, the sealing performance and the cleanliness of the oil supply structure are ensured, and the quality of the lubricating oil and the bearing lubricating effect are guaranteed.

[0018] 3、The utility model discloses a lower bearing seat's impurity hole can collect the chippings impurity of bearing operation in time, the insertion cooperation of positioning hole and guide column and the design of round table end, combine lower protrusion with upper protrusion through the connecting mode of fastening screw, make upper and lower bearing seat assembly accurate, connect firm, not only convenient to install and dismount, can guarantee bearing operation stability still, prolong the service life of bearing and oil supply structure. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is whole structure schematic diagram of the utility model;

[0020] Figure 2 It is explosion structure schematic diagram of the utility model;

[0021] Figure 3 It is one of partial structure schematic diagram of the utility model;

[0022] Figure 4 It is sectional view of upper bearing seat of the utility model;

[0023] Figure 5 It is two of partial structure schematic diagram of the utility model;

[0024] Figure 6 It is the utility model Figure 2 Enlarged view of A place in;

[0025] The meaning of each reference numeral in the figure is:

[0026] 1, lower bearing seat;10, upper bearing seat;11, bearing chamber;12, outer oil tank;121, through hole;13, impurity hole;14, inner oil chamber;141, oil inlet hole;142, oil outlet hole;15, liquid injection pipe;151, annular groove;16, collar;161, rubber belt;17, uncovering plate;171, rubber plug;18, fixed base;

[0027] 2, lower protrusion;20, upper protrusion;21, positioning hole;22, guide column;23, round table end;

[0028] 3, bearing. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0031] Please refer to Figures 1-6 The utility model provides a technical scheme: a bearing oil supply structure, including lower bearing seat 1, the upper surface of lower bearing seat 1 is detachably connected with upper bearing seat 10, the inner annular side surface of lower bearing seat 1 and upper bearing seat 10 is all provided with bearing chamber 11, the inner annular side surface of lower bearing seat 1 and upper bearing seat 10 is also provided with two mutually symmetrical outer oil grooves 12, bearing chamber 11 is located between two outer oil grooves 12, and outer oil groove 12 is communicated with bearing chamber 11 through a plurality of through holes 121, and bearing chamber 11 in the upper and lower is provided with bearing 3, the inside of upper bearing seat 10 is provided with inner oil chamber 14, a plurality of oil inlet holes 141 are formed in the bottom wall of inner oil chamber 14, a plurality of oil outlet holes 142 that are communicated with corresponding oil inlet holes 141 are formed in the outer side groove wall of outer oil groove 12, and the top surface of upper bearing seat 10 is fixedly installed with liquid injection pipe 15 that is communicated with inner oil chamber 14, through the detachable connection of lower bearing seat 1 and upper bearing seat 10, the cooperation of outer oil groove 12, through hole 121 of the inner annular side surface of the two and inner oil chamber 14, oil inlet hole 141 and oil outlet hole 142 in the inside of upper bearing seat 10, after lubricating oil is injected into inner oil chamber 14 through liquid injection pipe 15, can flow into outer oil groove 12 through oil inlet hole 141 and oil outlet hole 142, and then is uniformly delivered to the bearing 3 part in bearing chamber 11 through through hole 121, part of oil can be directly sprayed to bearing 3 part to lubricate, realizes the convenient lubrication of disassembly-free, avoids the time-consuming operation of traditional manual smearing.

[0032] In the embodiment, the bottom wall part of bearing chamber 11 in lower bearing seat 1 is provided with impurity hole 13, the depth of impurity hole 13 is between 5mm and 9mm, can collect the debris and impurities generated in the operation process of bearing 3 in time, prevents the debris from entering bearing friction surface again with lubricating oil circulation, reduces the wear of bearing 3 by impurities, prolongs the service life of bearing.

[0033] Specifically, the injection pipe 15 is provided with a disassembly plate 17, and a rubber stopper 171 is fixedly installed on the front side of the disassembly plate 17. The rubber stopper 171 is engaged with the injection pipe 15, which can be quickly opened when injecting oil and can be tightly sealed after oil injection to prevent lubricating oil leakage and external impurities from entering the inner oil chamber 14, thus ensuring the cleanliness of the lubricating oil and the sealing of the oil supply system.

[0034] Furthermore, the injection tube 15 and the opening plate 17 are rotatably connected by a rubber band 161. The outer diameter of the opening plate 17 is larger than the outer diameter of the injection tube 15. An annular groove 151 is provided on the injection tube 15. A collar 16 is fixedly installed at the end of the rubber band 161 away from the opening plate 17. The collar 16 is fitted into the annular groove 151 and rotatably connected to the injection tube 15, so that the opening plate 17 can be flexibly opened and closed around the injection tube 15 and always remain connected to the injection tube 15, preventing the opening plate 17 from being lost and ensuring convenient sealing operation.

[0035] In addition, fixed bases 18 are fixedly installed on both the left and right sides of the lower bearing housing 1. The fixed bases 18 are fixedly installed on the external frame to ensure that the bearing housing is installed stably and to prevent displacement due to vibration during operation.

[0036] It is worth noting that two symmetrical lower protrusions 2 are fixedly installed on both the left and right sides of the lower bearing housing 1, and two symmetrical upper protrusions 20 are fixedly installed on both the left and right sides of the upper bearing housing 10. The lower protrusions 2 are fixedly connected to each other by fastening screws, which facilitates the disassembly and installation of the upper and lower bearing housings, and provides reliable fastening force to ensure the assembly stability of the bearing chamber 11 and the bearing 3.

[0037] It is worth noting that multiple positioning holes 21 are provided on the top surface of the lower bearing housing 1, and multiple guide posts 22 are fixedly installed on the bottom surface of the upper bearing housing 10. The guide posts 22 are inserted into the corresponding positioning holes 21. A frustum end 23 is fixedly installed at the bottom end of the guide post 22. The frustum end 23 is a frustum shape that is thicker at the top and thinner at the bottom. During assembly, it can guide the upper and lower bearing housings to be accurately aligned, avoid misalignment from affecting the installation accuracy of the bearing 3, and enhance the assembly convenience and stability of the overall structure.

[0038] When using the bearing oil supply structure of this utility model, first fix the lower bearing seat 1 to the external frame through the fixed base 18, place the bearing 3 in the bearing chamber 11 of the lower bearing seat 1, align the guide post 22 on the bottom surface of the upper bearing seat 10 with the positioning hole 21 on the top surface of the lower bearing seat 1, and guide the precise alignment with the frustum end 23, then tighten the fastening screw through the lower protrusion 2 and the upper protrusion 20 to complete the assembly of the upper and lower bearing seats.

[0039] Uncover the uncovering plate 17 on the liquid injection pipe 15, the rubber plug 171 is separated from the liquid injection pipe 15, injects lubricating oil into the liquid injection pipe 15, and the lubricating oil flows into the outer oil groove 12 through the oil inlet hole 141 of the bottom wall of the inner oil chamber 14, the oil outlet hole 142 outside the outer oil groove 12, is transported to the bearing chamber 11 lubricating bearing 3 again through the lead-through hole 121, and part of the oil is directly sprayed lubricating from the oil outlet hole 142, after oil injection, the uncovering plate 17 is turned back, and the rubber plug 171 is clamped and sealed with the liquid injection pipe 15.

[0040] When the bearing 3 is running, the debris and impurities generated can be collected in the impurity hole 13 of the bottom wall of the bearing chamber 11 of the lower bearing seat 1 under the action of the rotation of the bearing 3 and the gravity of the debris and impurities; if the bearing 3 needs to be maintained or replaced, the upper and lower bearing seats can be separated by loosening the fastening screws, and the operation can be performed.

[0041] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bearing oil supply structure, comprising a lower bearing housing (1), characterized in that: An upper bearing seat (10) is detachably connected to the upper surface of the lower bearing seat (1). Bearing chambers (11) are provided on the inner annular sides of both the lower bearing seat (1) and the upper bearing seat (10). Two mutually symmetrical outer oil grooves (12) are also provided on the inner annular sides of both the lower bearing seat (1) and the upper bearing seat (10). The bearing chamber (11) is located between the two outer oil grooves (12), and the outer oil grooves (12) and the bearing chamber (11) are connected by multiple through holes (12). 1) Connected, bearings (3) are provided in the upper and lower bearing chambers (11), and an inner oil chamber (14) is provided inside the upper bearing seat (10). Multiple oil inlet holes (141) are provided on the bottom wall of the inner oil chamber (14), and multiple oil outlet holes (142) connected to the corresponding oil inlet holes (141) are provided on the outer side wall of the outer oil tank (12). An injection pipe (15) connected to the inner oil chamber (14) is fixedly installed on the top surface of the upper bearing seat (10).

2. The bearing oil supply structure according to claim 1, characterized in that: An impurity hole (13) is provided at the bottom wall of the bearing chamber (11) inside the lower bearing seat (1), and the depth of the impurity hole (13) is between 5 mm and 9 mm.

3. The bearing oil supply structure according to claim 1, characterized in that: The injection tube (15) is provided with a disassembly plate (17), and a rubber stopper (171) is fixedly installed on the front side of the disassembly plate (17), and the rubber stopper (171) is engaged with the injection tube (15).

4. The bearing oil supply structure according to claim 3, characterized in that: The injection tube (15) and the opening plate (17) are rotatably connected by a rubber band (161), and the outer diameter of the opening plate (17) is larger than the outer diameter of the injection tube (15).

5. The bearing oil supply structure according to claim 4, characterized in that: The injection tube (15) is provided with an annular groove (151), and a collar (16) is fixedly installed at the end of the rubber strip (161) away from the opening plate (17). The collar (16) is fitted on the annular groove (151) and rotatably connected to the injection tube (15).

6. The bearing oil supply structure according to claim 1, characterized in that: Fixed bases (18) are fixedly installed on both the left and right sides of the lower bearing seat (1), and the fixed bases (18) are fixedly installed on the external frame.

7. The bearing oil supply structure according to claim 1, characterized in that: The lower bearing seat (1) has two symmetrical lower protrusions (2) fixedly installed on both the left and right sides. The upper bearing seat (10) has two symmetrical upper protrusions (20) fixedly installed on both the left and right sides. The lower protrusions (2) are fixedly connected to each other by fastening screws.

8. The bearing oil supply structure according to claim 7, characterized in that: The lower bearing seat (1) has multiple positioning holes (21) on its top surface, and the upper bearing seat (10) has multiple guide posts (22) fixedly installed on its bottom surface. The guide posts (22) are inserted into the corresponding positioning holes (21). The bottom end of the guide post (22) is fixedly installed with a frustum end (23), which is a frustum shape that is thicker at the top and thinner at the bottom.

Images