CN213235798U - Combined needle roller bearing convenient for oil supplement - Google Patents
Combined needle roller bearing convenient for oil supplement Download PDFInfo
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- CN213235798U CN213235798U CN202021368053.6U CN202021368053U CN213235798U CN 213235798 U CN213235798 U CN 213235798U CN 202021368053 U CN202021368053 U CN 202021368053U CN 213235798 U CN213235798 U CN 213235798U
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- oil duct
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- roller bearing
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Abstract
The utility model discloses a combination formula bearing convenient to oil supplementing, including outer lane, mount pad, mounting screw, inner circle, kingpin, holder, roller, retaining ring and oil supplementing system, the mount pad passes through the mounting screw to be fixed in the inside of outer lane, the inside rotation of mount pad limits there is the inner circle, be equipped with the round kingpin between inner circle and the mount pad, the bilateral symmetry that the inner circle lies in the kingpin is equipped with the round roller, the outside of roller is equipped with the retaining ring; be equipped with between outer lane and the mount pad and mend oil system, mend oil system and include outer oil duct and interior oil duct, the outer end of outer oil duct is equipped with the oiling mouth, and the centre gripping groove has been seted up to the outer end of interior oil duct, and the centre gripping of centre gripping groove has the pipe fitting of taking the check valve, and the inner of interior oil duct is equipped with three branch pipe. The utility model keeps the depth of the outer oil duct, and is convenient for the needle tube to be inserted into the inner oil supply pipe; the pipe fitting containing the check valve is arranged in the bearing, so that the pipe fitting can not be separated due to centrifugal action, is not easy to be damaged by collision of foreign objects, and has long service life.
Description
Technical Field
The utility model relates to a bearing technical field especially relates to a combination formula bearing convenient to mend oil.
Background
The composite roller bearing is assembled by the axial roller bearing and the radial roller bearing, so that the size of the bearing is reduced, and the installation structure is simplified, thereby reducing the manufacturing cost. The composite roller bearing has larger radial and axial bearing capacity, and each accessory has strong replaceability, and is increasingly applied to various gantry lifting systems. The composite roller bearing mainly comprises the following parts: 1) the mounting mode of the shaft head and the composite roller bearing is welding, and the specific mode is that the shaft head is welded with a plate with a round hole and then assembled with a portal. 2) And the main roller is a main bearing body in the composite roller bearing and mainly bears the load in the vertical direction. 3) And the side roller is a secondary bearing body in the composite roller bearing and mainly bears the load in the horizontal direction. 4) The cover plate enables the main side roller shaft heads to be installed together to form a whole; the assembly mode of the composite roller bearing is as follows: the side idler wheels are installed inside the shaft head through pin shafts, the main idler wheel sleeves the outside of the shaft head, and the cover plate is fixed at the tail of the shaft head through nuts.
In order to prevent oil leakage, a one-way valve is often additionally arranged at an oil injection port of the traditional combined needle bearing, and the mounting mode has the defects that firstly, a needle tube is inconvenient to insert and the oil is supplemented inwards; secondly, the one-way valve is easy to separate due to the centrifugal effect. Therefore, it is necessary to optimize and improve it.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide a combination formula bearing convenient to mend oil.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a combined needle roller bearing convenient for oil supplement comprises an outer ring, a mounting seat, mounting screws, an inner ring, needle rollers, a retainer, roller columns, retainer rings and an oil supplement system, wherein the mounting seat is placed inside the outer ring in a clamping manner, a plurality of fixing through holes are uniformly formed in the periphery of the outer ring, thread grooves corresponding to the fixing through holes are formed in the periphery of the mounting seat inwards, the mounting screws are screwed into the thread grooves through the fixing through holes, the inner ring is limited in rotation inside the mounting seat, a circle of needle rollers are arranged between the inner ring and the mounting seat, the inner ring is positioned on two sides of the needle rollers, the retainer rings are symmetrically arranged on the two sides of the needle rollers, and the retainer rings are arranged on the outer sides; an oil supplementing system used for injecting oil for the rolling needles and the rollers is arranged between the outer ring and the mounting seat and comprises an outer oil duct arranged in the outer ring and an inner oil duct arranged in the mounting seat, an oil injection port is formed in the outer end of the outer oil duct, a clamping groove is formed in the outer end of the inner oil duct, a pipe fitting with a one-way valve is clamped in the clamping groove, three branch pipes are arranged at the inner end of the inner oil duct, and the three branch pipes are respectively communicated with the rolling needles and the areas where the rollers are located on the two sides.
Furthermore, in the combined needle roller bearing convenient for oil supplement, the outer side of the outer ring is provided with a positioning ring protruding outwards, and the outer ring and the positioning ring are of an integral structure.
Further, in the combined needle roller bearing convenient for oil replenishment, the fixing through hole is a stepped hole with a wide outer part and a narrow inner part, the thickness of the wide outer part is greater than the thickness of the end of the mounting screw, and the mounting screw can be completely hidden in the fixing through hole.
Further, in the combined needle roller bearing facilitating oil replenishment, the outer oil passage and the inner oil passage are communicated in a single direction through a pipe fitting.
Further, in the combined needle roller bearing facilitating oil replenishment, the depth of the clamping groove is equal to the length of the pipe fitting, and the outer diameter of the clamping groove is equal to the outer diameter of the pipe fitting.
Furthermore, in the combined needle roller bearing convenient for oil supplement, among the three branch pipes, the branch pipe and the inner oil duct which are positioned in the middle are radial drill holes formed by the drill bit in a penetrating manner, the branch pipes which are positioned on two sides are axial drill holes formed by the drill bit in a penetrating manner, and the radial drill holes are vertically communicated with the axial drill holes.
The utility model has the advantages that:
the utility model has reasonable structural design, on one hand, the depth of the outer oil duct is kept, and the needle tube can be inserted conveniently to supplement oil inwards; on the other hand, the pipe fitting containing the one-way valve is arranged inside the bearing, so that the pipe fitting can not be separated due to centrifugal action, is not easy to be damaged by collision of foreign objects, and has long service life.
Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a sectional view of the structure of the present invention;
FIG. 2 is a partial sectional view of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-outer ring, 2-mounting seat, 3-fixing through hole, 4-thread groove, 5-mounting screw, 6-inner ring, 7-rolling needle, 8-retainer, 9-rolling column, 10-retainer ring, 11-outer oil channel, 12-oil filling port, 13-inner oil channel, 14-pipe fitting, 15-one-way valve, 16-clamping groove and 17-branch pipe.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present embodiment is a combined needle roller bearing convenient for oil supplement, which includes an outer ring 1, a mounting seat 2, a mounting screw 5, an inner ring 6, a needle roller 7, a cage 8, a roller 9, a retainer ring 10, and an oil supplement system.
In this embodiment, mount pad 2 is placed in outer lane 1's inside through the joint mode, and a plurality of fixing through hole 3 have evenly been seted up to the periphery of outer lane 1, and the thread groove 4 that corresponds with fixing through hole position 3 is seted up inwards to the periphery of mount pad 2, and mounting screw 5 is in fixing through hole 3 screw in thread groove 4. The inner rotation of the mounting seat 2 is limited by an inner ring 6, and a circle of roller pins 7 are arranged between the inner ring 6 and the mounting seat 2. The inner ring 6 is symmetrically provided with a circle of rollers 9 by a retainer 8 at two sides of the roller pin 7, and a retainer ring 10 is arranged at the outer side of the rollers 9.
In this embodiment, an oil supplementing system for injecting oil to the needle rollers 7 and the roller rollers 9 is provided between the outer ring 10 and the mounting seat 2, and the oil supplementing system includes an outer oil passage 11 provided in the outer ring 10 and an inner oil passage 13 provided in the mounting seat 2. An oil filling opening 12 is formed in the outer end of the outer oil duct 11, a clamping groove 16 is formed in the outer end of the inner oil duct 13, a pipe fitting 14 with a one-way valve 15 is clamped in the clamping groove 16, and the outer oil duct 11 and the inner oil duct 13 are communicated in a one-way mode through the pipe fitting 14. The inner end of the inner oil duct 13 is provided with three branch pipes 17, and the three branch pipes 17 are respectively communicated with the needle rollers 7 and the areas where the rollers 9 on the two sides are located.
In this embodiment, the outer side of the outer ring 1 is provided with a positioning ring protruding outward, and the outer ring 1 and the positioning ring are integrated.
In this embodiment, the fixing through hole 3 is a stepped hole with an outer width and an inner width, and the thickness of the outer width is greater than the thickness of the end of the mounting screw 5, so that the mounting screw 5 can be completely hidden in the fixing through hole 3.
In this embodiment, the depth of the gripping groove 16 is equal to the length of the tubular 14 and the outer diameter of the gripping groove 16 is equal to the outer diameter of the tubular 14.
In this embodiment, of the three branch pipes 17, the branch pipe 17 located in the middle and the inner oil passage 13 are radial drill holes formed by the drill bit penetrating therethrough, the branch pipes 17 located on both sides are axial drill holes formed by the drill bit penetrating therethrough, and the radial drill holes are vertically communicated with the axial drill holes.
One specific application of this embodiment is: the structure of the oil-filling device is reasonable in design, on one hand, the depth of the outer oil duct 11 is reserved, and the needle tube can be conveniently inserted into the oil-filling device to fill oil inwards; on the other hand, the pipe fitting 14 with the one-way valve 15 is arranged in the bearing, so that the pipe fitting is not separated due to centrifugal action, is not easy to be damaged by collision of foreign objects, and has long service life.
The preferred embodiments of the present invention disclosed above are only advantageous to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a combination formula bearing convenient to mend oil which characterized in that: the oil supplementing device comprises an outer ring, a mounting seat, mounting screws, an inner ring, rolling needles, a retainer, rollers, check rings and an oil supplementing system, wherein the mounting seat is placed inside the outer ring in a clamping mode, a plurality of fixing through holes are uniformly formed in the periphery of the outer ring, thread grooves corresponding to the fixing through holes are formed in the periphery of the mounting seat inwards, the mounting screws are screwed into the thread grooves through the fixing through holes, the inner ring is limited in rotation inside the mounting seat, a circle of rolling needles are arranged between the inner ring and the mounting seat, the inner ring is positioned on two sides of the rolling needles, the retainer is symmetrically arranged on the two sides of the rolling needles, and the check rings are arranged on; an oil supplementing system used for injecting oil for the rolling needles and the rollers is arranged between the outer ring and the mounting seat and comprises an outer oil duct arranged in the outer ring and an inner oil duct arranged in the mounting seat, an oil injection port is formed in the outer end of the outer oil duct, a clamping groove is formed in the outer end of the inner oil duct, a pipe fitting with a one-way valve is clamped in the clamping groove, three branch pipes are arranged at the inner end of the inner oil duct, and the three branch pipes are respectively communicated with the rolling needles and the areas where the rollers are located on the two sides.
2. The combined needle roller bearing facilitating oil replenishment according to claim 1, wherein: the outer side of the outer ring is provided with a positioning ring protruding outwards, and the outer ring and the positioning ring are of an integral structure.
3. The combined needle roller bearing facilitating oil replenishment according to claim 1, wherein: the fixing through hole is a stepped hole with an outer width and an inner width, the thickness of the outer width is larger than that of the end of the mounting screw, and the mounting screw can be completely hidden in the fixing through hole.
4. The combined needle roller bearing facilitating oil replenishment according to claim 1, wherein: the outer oil duct and the inner oil duct are communicated in a one-way mode through a pipe fitting.
5. The combined needle roller bearing facilitating oil replenishment according to claim 1, wherein: the depth of the clamping groove is equal to the length of the pipe fitting, and the outer diameter of the clamping groove is equal to the outer diameter of the pipe fitting.
6. The combined needle roller bearing facilitating oil replenishment according to claim 1, wherein: among the three branch pipes, the branch pipe positioned in the middle and the inner oil duct are radial drill holes formed by the penetration of a drill bit, the branch pipes positioned on two sides are axial drill holes formed by the penetration of the drill bit, and the radial drill holes are vertically communicated with the axial drill holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021368053.6U CN213235798U (en) | 2020-07-13 | 2020-07-13 | Combined needle roller bearing convenient for oil supplement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021368053.6U CN213235798U (en) | 2020-07-13 | 2020-07-13 | Combined needle roller bearing convenient for oil supplement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213235798U true CN213235798U (en) | 2021-05-18 |
Family
ID=75888545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021368053.6U Active CN213235798U (en) | 2020-07-13 | 2020-07-13 | Combined needle roller bearing convenient for oil supplement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213235798U (en) |
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2020
- 2020-07-13 CN CN202021368053.6U patent/CN213235798U/en active Active
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