CN216045034U

CN216045034U - Needle roller bearing convenient for oil supplement

Info

Publication number: CN216045034U
Application number: CN202122565785.5U
Authority: CN
Inventors: 蒋祯天宇
Original assignee: Zhejiang Dewao Bearing Co ltd
Current assignee: Zhejiang Dewao Bearing Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-15
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to the field of bearing equipment, in particular to a needle roller bearing convenient for oil supplement, which comprises an outer ring, wherein a retainer is arranged in the outer ring, a needle roller is rotatably arranged on the retainer, an oil storage cavity is arranged between the retainer and the outer ring, an oil filling hole is embedded at the upper end of the outer ring, an oil filling column is arranged in the oil filling hole, the upper end of the oil filling column can extend out of the upper surface of the oil filling hole through pressing, an oil filling channel is arranged in the oil filling column, and the lower end of the oil filling channel is communicated with the oil storage cavity. Compared with the prior art, the method has the advantages that: when the lubricating oil is filled, the lubricating oil directly flows into the raceway through the oil filling channel without disassembling and assembling screws or pistons, the operation is simple, the oil filling channel is hidden inside the outer ring of the bearing after oil filling is finished, dust is prevented from entering the inside of the bearing to damage the roller pin, and the service life of the bearing is greatly prolonged; when the bearing is normally used, the upper surface of the oiling column is flush with the upper surface of the outer ring, so that the connection between other parts and the bearing is not hindered.

Description

Needle roller bearing convenient for oil supplement

Technical Field

The utility model relates to the field of bearing equipment, in particular to a needle bearing convenient for oil supplement.

Background

Needle roller bearings are roller bearings with cylindrical rollers, which, despite their small cross-section, have a high load-bearing capacity and are suitable in particular for bearing structures with limited radial installation dimensions. The lubrication of the needle bearing is usually realized by guiding oil into the raceway through the oil hole, particularly the needle bearing with a larger specification has high consumption speed of the lubricating oil and needs to be supplemented frequently, and the good lubrication can ensure that an oil film is formed between the needle roller and the raceway, reduce the friction factor, reduce the friction work and prevent the generation of abrasion. The oil hole is generally sealed through a screw or a piston, the screw needs to be screwed out or the piston needs to be pulled out during oil injection, a large amount of dust is easily contaminated after the screw or the piston which is taken out is contacted with air, and the dust can enter the inside of the bearing during re-installation, so that the service life of the bearing is shortened.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, provides a needle roller bearing convenient for oil supplement, and compared with the prior art, the utility model is realized by the following technical scheme:

the utility model provides a bearing convenient to mend oil, includes the outer loop, the inside of outer loop is equipped with the holder, rotate on the holder and install the kingpin, the holder with be equipped with the oil storage chamber between the outer loop, the outer loop upper end is equipped with the oil filler point, the embedded oil filler post that is equipped with of oil filler point, oil filler post upper end accessible is pressed and is stretched out the oil filler point upper surface, be equipped with refueling channel in the oil filler post, refuel channel lower extreme with oil storage chamber intercommunication.

Through adopting above-mentioned technical scheme, the nozzle can reciprocate in the oil filler hole, and when needing to refuel, the nozzle upper end stretches out the oil filler hole upper surface and refuels, and in the oil filler hole was hidden into to the nozzle after the friend-making, the oiling in-process can not have the dust to get into inside the bearing.

As an optimal scheme of the utility model, it includes the support to add the oil column, be equipped with in the support and press the briquetting, press briquetting lower extreme and stopper fixed connection, be equipped with spacing spout in the stopper, sliding connection has the connecting rod in the spacing spout, the stopper lower extreme is connected with compression spring.

Through adopting above-mentioned technical scheme, through spacing spout, connecting rod and compression spring's cooperation work, realize pressing the switching of two positions of briquetting, simple structure, the equipment is convenient.

As an optimal scheme of the utility model, refuel the passageway including set up in press the first passageway in the piece, the entry of first passageway is located press the lateral wall of piece, first passageway lower extreme and second channel connection, the second passageway runs through spacing spout, the third passageway is connected to the second passageway lower extreme, the third passageway runs through the connecting rod, the lower extreme of third passageway with the oil storage chamber intercommunication.

Through adopting above-mentioned technical scheme, inside the fuel filling passageway of constituteing by the triplex ensured that lubricating oil can smoothly flow in needle bearing, the lateral wall of pressing the briquetting was located to the entry of first passageway, and the dust is through passageway entry adhesion on the passageway wall or get into inside the bearing when having avoided bearing normal use at ordinary times.

As an optimal scheme of this utility model, the right side slope of spacing spout is greater than the left side slope.

Through adopting above-mentioned technical scheme, both sides slope is asymmetric for the center of connecting rod in spacing spout sets up on the left side partially, and the connecting rod of being convenient for slides in spacing spout and from the right side roll-off from the left side.

As a preferable aspect of the present invention, the number of the compression springs is two.

Through adopting above-mentioned technical scheme, two springs symmetry are installed in the stopper both sides for the reciprocating of stopper is more steady, and the holding power is bigger.

As a preferable scheme of the present invention, the first channel is disposed at an angle of forty-five degrees.

Through adopting above-mentioned technical scheme, the inflow of lubricating oil is accelerated to the passageway that the slope set up, improves the efficiency of refueling.

The utility model discloses a needle roller bearing convenient for oil supplement, which has the advantages compared with the prior art that:

1. when the lubricating oil is filled, the lubricating oil directly flows into the raceway through the oil filling channel without disassembling and assembling screws or pistons, the operation is simple, the oil filling channel is hidden inside the outer ring of the bearing after oil filling is finished, dust is prevented from entering the inside of the bearing to damage the roller pin, and the service life of the bearing is greatly prolonged;

2. when the bearing is normally used, the upper surface of the oiling column is flush with the upper surface of the outer ring, so that the connection between other parts and the bearing is not hindered.

Drawings

FIG. 1 is an overall view of a needle bearing according to the present invention for facilitating oil replenishment;

FIG. 2 is a sectional view of a needle bearing for facilitating oil replenishment according to the present invention;

FIG. 3 is a schematic structural view of an oil filling column of the needle roller bearing for facilitating oil filling according to the present invention;

fig. 4 is a sectional view of a refueling passage when the needle bearing press block is ejected for facilitating oil replenishment according to the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

1. an outer ring; 2. a holder; 3. rolling needles; 4. an oil storage chamber; 5. an oil filler hole; 6. an oil filler pin; 601. a pressing block; 602. a limiting block; 603. a limiting chute; 604. a compression spring; 605. a connecting rod; 606. a support; 7. a refueling passage; 701. a first channel; 702. a second channel; 703. a third channel.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

Good lubrication can ensure that an oil film is formed between the needle roller and the roller path, the friction factor is reduced, the friction work is reduced, and the abrasion is prevented. The oil hole is generally sealed through a screw or a piston, the screw needs to be screwed out or the piston needs to be pulled out during oil injection, a large amount of dust is easily contaminated after the screw or the piston which is taken out is contacted with air, and the dust can enter the inside of the bearing during re-installation, so that the service life of the bearing is shortened. Therefore, the needle roller bearing convenient for oil supplement is provided, screws or pistons are not required to be disassembled and assembled, dust is prevented from entering the interior of the bearing to damage the needle rollers, and the service life of the bearing is greatly prolonged.

As shown in fig. 1-3, the utility model discloses a needle roller bearing convenient for oil supplement, which comprises an outer ring 1, wherein a retainer 2 is arranged inside the outer ring 1, a needle roller 3 is rotatably arranged on the retainer 2, an oil storage cavity 4 is arranged between the retainer 2 and the outer ring 1, an oil filling hole 5 is arranged at the upper end of the outer ring 1, an oil filling column 6 is embedded in the oil filling hole 5, the upper end of the oil filling column 6 can extend out of the upper surface of the oil filling hole 5 through pressing, an oil filling channel 7 is arranged in the oil filling column 6, and the lower end of the oil filling channel 7 is communicated with the oil storage cavity 4.

Specifically, as shown in fig. 2, the oil filler column 6 includes a support 606, a pressing block 601 is disposed in the support 606, the lower end of the pressing block 601 is fixedly connected to a limiting block 602, a limiting sliding groove 603 is disposed in the limiting block 602, a connecting rod 605 is slidably connected to the limiting sliding groove 603, and the lower end of the limiting block 602 is connected to a compression spring 604. To further secure the fuel filler post 6, the upper surface of the bracket 606 may be fixedly attached to the upper surface of the outer ring 1 by screws. The slope of the right side of the limiting sliding groove 603 is greater than that of the left side. The shape of the limiting sliding groove 603 is only an optimal solution, and those skilled in the art can change the shape of the limiting sliding groove 603 according to actual production and processing conditions, as long as the upper and lower positions of the limiting block 602 can be switched. The number of the compression springs 604 is two. In order to facilitate the pressing operation by workers in the field, the upper surface of the pressing block 601 is preferably provided with a curved top groove. The connecting rod 605 includes a vertical rod and a horizontal cylindrical rod, the vertical rod is connected to the cylindrical rod at a right angle, and the cylindrical rod is disposed in the limiting sliding groove 603, that is, the side wall of the cylindrical rod contacts with the side wall of the limiting sliding groove 603.

As shown in fig. 3, the oil filling channel 7 includes a first channel 701 provided in the pressing block 601, an inlet of the first channel 701 is provided in a side wall of the pressing block 601, a lower end of the first channel 701 is connected to a second channel 702, the second channel 702 penetrates through the limiting sliding groove 603, a lower end of the second channel 702 is connected to a third channel 703, the third channel 703 penetrates through the connecting rod 605, and a lower end of the third channel 703 is communicated with the oil storage chamber 4. The first channel 701 is disposed at a forty-five degree angle.

The using process of the utility model is as follows: when lubricating oil is lacked in the oil storage cavity 4 of the needle bearing, the pressing block 601 is pressed, the connecting rod 605 slides down on the right side of the limiting sliding groove, the pressing block 601 extends out of the upper surface of the oil filling hole 5 to expose an oil filling inlet of the first passage 701, after the oil filling operation is finished, the pressing block 601 is pressed again, the connecting rod 605 slides towards the upper left side of the limiting sliding groove, the compression spring 604 contracts, and the pressing block 601 is retracted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a bearing convenient to mend oil, a serial communication port, includes outer ring (1), the inside of outer ring (1) is equipped with holder (2), it installs kingpin (3) to rotate on holder (2), holder (2) with be equipped with oil storage chamber (4) between outer ring (1), outer ring (1) upper end is equipped with oil filler point (5), oil filler point (5) embedded oiling post (6) that is equipped with, oiling post (6) upper end accessible is pressed and is stretched out oil filler point (5) upper surface, be equipped with in oiling post (6) and refuel passageway (7), refuel passageway (7) lower extreme with oil storage chamber (4) intercommunication.

2. The needle roller bearing convenient for oil supplement according to claim 1, wherein the oil filling column (6) comprises a bracket (606), a pressing block (601) is arranged in the bracket (606), the lower end of the pressing block (601) is fixedly connected with a limiting block (602), a limiting sliding groove (603) is arranged in the limiting block (602), a connecting rod (605) is slidably connected in the limiting sliding groove (603), and a compression spring (604) is connected to the lower end of the limiting block (602).

3. The needle roller bearing convenient for oil supplement is characterized in that the oil filling channel (7) comprises a first channel (701) arranged in the pressing block (601), the inlet of the first channel (701) is arranged on the side wall of the pressing block (601), the lower end of the first channel (701) is connected with a second channel (702), the second channel (702) penetrates through the limiting sliding groove (603), the lower end of the second channel (702) is connected with a third channel (703), the third channel (703) penetrates through the connecting rod (605), and the lower end of the third channel (703) is communicated with the oil storage cavity (4).

4. Needle roller bearing for facilitating oil replenishment according to claim 3, wherein the slope of the right side of the limit runner (603) is greater than the slope of the left side.

5. Needle roller bearing facilitating oil replenishment according to claim 4, wherein the number of the compression springs (604) is two.

6. Needle roller bearing for facilitating oil replenishment according to claim 5, wherein the first passage (701) is arranged at an angle of forty-five degrees.