CN218817596U - Needle roller bearing with low noise - Google Patents

Abstract

The utility model discloses a bearing that noise is little, including the bearing inner race, the internally mounted of bearing inner race has the bearing inner race, and the inside of bearing inner race evenly installs the bearing main part, the outside of bearing inner race evenly is provided with the oil filler point, the inside mounting groove that evenly is provided with of bearing inner race, and the inside both sides of mounting groove all are provided with the guide way, the inside of mounting groove all is provided with sliding installation mechanism. The utility model discloses after the kingpin main part in the bearing inner circle is damaged, insert down the top with spacing fixture block through outside thimble from spacing hole for spacing fixture block breaks away from spacing hole, can take the bearing inner circle out, so that circle the kingpin main part that corresponds the damage to the bearing inner circle and tear open and trade and overhaul, need not change whole bearing after the kingpin main part damages promptly, in order to reduce economic loss, more have economic benefits.

Description

Needle roller bearing with low noise

Technical Field

The utility model relates to a bearing technical field, in particular to bearing that noise is little.

Background

The needle roller bearing is a roller bearing with cylindrical rollers, the rollers are thin and long relative to the diameter of the roller bearing, the rollers are called needle rollers, the bearing has high load bearing capacity despite of small section, the needle roller bearing is provided with the thin and long rollers, therefore, the radial structure is compact, the inner diameter size and the load bearing capacity are the same as those of other types of bearings, the outer diameter is the minimum, and the needle roller bearing is particularly suitable for a bearing structure with limited radial installation size;

the low-noise needle bearing with the publication number of CN 217502288U belongs to the technical field of needle bearings and comprises a bearing outer ring and a dustproof cover plate, wherein the dustproof cover plate is fixedly connected between the bearing outer ring and the bearing inner ring, a plurality of oil guide holes are formed in the dustproof cover, fixing screws are in threaded connection with the oil guide holes, two connecting rods are arranged on a mounting plate, two rollers rotate on the two connecting rods, the needle rollers and the rollers are in contact and relatively rotate, so that the rollers effectively share the rotation load of the needle rollers, the service life of the needle bearing is prolonged, the dustproof cover plate is arranged, the bearing has good dustproof performance, the oil guide holes are formed in the dustproof cover plate, the needle rollers are filled with lubricating oil through the oil guide holes to enable the needle rollers to have good lubricating performance, the oil guide holes are sealed by means of the fixing screws, dust cannot enter the dustproof cover plate from the oil guide holes, and the needle rollers have good lubricating performance and dustproof performance. Above-mentioned prior art is when using, still there is certain weak point, the kingpin is mainly installed on the mounting bracket between bearing inner race and bearing outer lane promptly, the installation piece has been installed to the thigh east on the mounting bracket, install the kingpin in the installation piece that corresponds, lead to when using, when the kingpin appears damaging the back in the bearing, the inconvenient change that carries on in time, the mounting bracket is inconvenient to be taken out promptly, can influence the use of whole bearing then, or adopt the form of pulling out to change the bearing kingpin, because the kingpin is thinner in the bearing, the inside operating space of bearing is less, the pull operation is comparatively loaded down with trivial details, also can influence the availability factor of bearing, consequently, need carry out further improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a needle bearing that the noise is little to current needle bearing who proposes in solving above-mentioned background art is when using, the difficult problem of changing after the kingpin damages.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bearing that noise is little, includes the bearing outer lane, the internally mounted of bearing outer lane has the bearing inner circle, and the inside of bearing inner circle evenly installs the bearing main part, the outside of bearing outer lane evenly is provided with the oil filler point, the inside mounting groove that evenly is provided with of bearing outer lane, and the inside both sides of mounting groove all are provided with the guide way, the inside of mounting groove all is provided with sliding fit mechanism, the inside of bearing outer lane evenly is provided with the oil storage chamber, one side in oil storage chamber all evenly is provided with the oil outlet, the outside of bearing outer lane evenly is provided with spacing hole.

When the needle roller bearing with low noise is used, the sliding mechanism is arranged, so that the inner ring of the needle roller bearing can be flexibly disassembled and assembled when in use, the needle roller body corresponding to damage can be replaced, and the use cost of the damaged needle roller body is reduced.

Preferably, the section of the needle roller main body is circular, and the needle roller main body is annularly distributed in the inner ring of the needle roller bearing.

Preferably, the section of the oil injection hole is circular, four groups of the oil injection holes are arranged on the outer side of the needle bearing outer ring, and the four groups of the oil injection holes are annularly distributed on the outer side of the needle bearing outer ring.

Preferably, the cross section of the oil storage cavity is arc-shaped, four groups of oil storage cavities are arranged inside the needle bearing outer ring, and the oil storage cavity is connected with the needle bearing inner ring through an oil outlet.

Preferably, the sliding mechanism comprises a sliding strip, the sliding strip is arranged on the outer side of the inner ring of the needle bearing, a hollow cavity is arranged inside the sliding strip, a compression spring is arranged inside the hollow cavity, a limiting clamping block is arranged at one end of the compression spring, one end of the limiting clamping block extends into the limiting hole, guide blocks are arranged on two sides of the sliding strip, and one end of each guide block extends into the guide groove.

Preferably, the cross section of each limiting fixture block is U-shaped, and four groups of limiting fixture blocks and four groups of sliding strips are arranged on the outer side of the inner ring of the needle bearing.

Preferably, four groups of the limiting holes are formed in the needle bearing outer ring, two limiting holes are formed in each group, and the positions of the limiting holes in each group correspond to the positions of the limiting clamping blocks one by one.

Compared with the prior art, the beneficial effects of the utility model are that: the needle bearing with low noise is convenient for conveniently replacing the needle roller, and has good lubricating effect and good noise reduction effect;

(1) The needle bearing inner ring is pushed to enable the sliding strip to slide in the mounting groove and enable the guide block to synchronously slide in the guide groove, so that the limiting and guiding effects are achieved, in the process, the limiting clamping block is abutted against the inner wall of the mounting groove, the compression spring is stressed and compressed, after the needle bearing inner ring is completely slidably mounted in the needle bearing outer ring, the compression spring is reset, the limiting clamping block is pushed to move upwards until the limiting clamping block is clamped into the limiting hole, so that the needle bearing inner ring is fixedly limited, after a needle roller main body in the needle bearing inner ring is damaged, the limiting clamping block is pushed downwards through an external thimble inserted into the limiting hole, so that the limiting clamping block is separated from the limiting hole, the needle bearing inner ring can be pulled out, the needle roller main body correspondingly damaged on the needle bearing inner ring is conveniently detached and repaired, the operation is convenient, and after the bearing outer ring is taken out, the operable space is large, so that the needle roller can be timely replaced, the whole bearing does not need to be replaced, so that the economic loss is reduced, and the economic benefit is achieved;

(2) Through having set up the oil filler point, so that pour into proper amount lubricating grease into to the bearing inner race, make lubricating grease fall into and save in the oil storage chamber, and make lubricating grease flow into the bearing inner race through the oil outlet, and flow into on the main part of bearing, so as to lubricate the main part of bearing, in order to reduce the wearing and tearing to the main part of bearing, help prolonging the life of main part of bearing, and lubricating grease adheres to and forms the oil film on the main part of bearing, the oil film separates the friction surface of main part of bearing and external shaft, the sound of sending when reducing the friction surface collision, reach the effect of making an uproar from this, the oil film is thicker, the noise reduction effect is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic view of the front view cross-sectional structure of the present invention;

fig. 3 is a schematic structural view of a in fig. 2 according to the present invention;

fig. 4 is a schematic view of the slide-mounting mechanism of the present invention.

The reference numerals in the figures illustrate: 1. a needle bearing outer race; 2. a needle bearing inner race; 3. a needle roller main body; 4. an oil filler hole; 5. mounting grooves; 6. a slide mounting mechanism; 601. a slide bar; 602. a hollow cavity; 603. a compression spring; 604. a limiting clamping block; 605. a guide block; 7. an oil storage chamber; 8. an oil outlet hole; 9. a guide groove; 10. and a limiting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a needle bearing with low noise comprises a needle bearing outer ring 1, a needle bearing inner ring 2 is arranged inside the needle bearing outer ring 1, and needle roller main bodies 3 are uniformly arranged inside the needle bearing inner ring 2;

the section of the needle roller main body 3 is circular, and the needle roller main body 3 is annularly distributed in the inner part of the needle roller bearing inner ring 2;

specifically, as shown in fig. 1, when in use, the needle roller main bodies 3 are provided with a plurality of groups so as to be in rolling connection with the external connecting shaft when in use, so that the abrasion to the bearing is reduced, and the service life of the bearing is prolonged;

oil injection holes 4 are uniformly formed in the outer side of the needle bearing outer ring 1;

the section of the oil injection hole 4 is circular, four groups of oil injection holes 4 are arranged on the outer side of the needle bearing outer ring 1, and the four groups of oil injection holes 4 are annularly distributed on the outer side of the needle bearing outer ring 1;

specifically, as shown in fig. 1, when the oil filling device is used, the oil filling efficiency can be improved by arranging a plurality of groups of oil filling holes 4, so that the effect of quick oil filling is achieved;

the needle bearing outer ring 1 is uniformly provided with mounting grooves 5, guide grooves 9 are arranged on two sides of the inside of each mounting groove 5, and sliding mechanisms 6 are arranged inside the mounting grooves 5;

the sliding mechanism 6 comprises a sliding strip 601, the sliding strip 601 is arranged on the outer side of the needle bearing inner ring 2, a hollow cavity 602 is arranged inside the sliding strip 601, a compression spring 603 is arranged inside the hollow cavity 602, a limiting fixture block 604 is arranged at one end of the compression spring 603, one end of the limiting fixture block 604 extends into the limiting hole 10, guide blocks 605 are arranged on two sides of the sliding strip 601, and one end of each guide block 605 extends into the guide groove 9;

the section of each limiting fixture block 604 is U-shaped, and four groups of limiting fixture blocks 604 and four groups of sliding strips 601 are arranged on the outer side of the needle bearing inner ring 2;

specifically, as shown in fig. 1, 2 and 3, when in use, the sliding strip 601 is in sliding fit with the mounting groove 5, so as to slidably mount the needle bearing inner ring 2 in the needle bearing outer ring 1, and enable the needle bearing inner ring 2 to be conveniently disassembled and assembled, so that the needle bearing inner ring 2 can be correspondingly replaced after the needle bearing main body 3 is damaged, thereby achieving the effect of saving the use cost and having more economic benefits;

an oil storage cavity 7 is uniformly arranged inside the needle bearing outer ring 1;

the section of the oil storage cavity 7 is arc-shaped, four groups of oil storage cavities 7 are arranged inside the needle bearing outer ring 1, and the oil storage cavities 7 are connected with the needle bearing inner ring 2 through oil outlets 8;

specifically, as shown in fig. 1 and 2, when in use, the lubricating grease in the oil storage chamber 7 flows into the needle bearing inner ring 2 through the oil outlet 8 and contacts with the needle main body 3, so as to achieve the effects of lubrication and noise reduction;

oil outlet holes 8 are uniformly formed in one side of the oil storage cavity 7, and limiting holes 10 are uniformly formed in the outer side of the needle bearing outer ring 1;

four groups of limiting holes 10 are arranged on the needle bearing outer ring 1, two limiting holes are arranged in each group, and the positions of the limiting holes 10 in each group correspond to the positions of the limiting clamping blocks 604 one by one;

specifically, as shown in fig. 1 and fig. 2, in use, the position of the needle bearing inner race 2 is limited by the cooperation of the limiting fixture 604 and the limiting hole 10.

The working principle is as follows: the utility model discloses when using, at first, pour into lubricating grease into inside oil storage chamber 7 through oil filler point 4, when using, lubricating grease can flow into bearing inner race 2 along oil outlet 8, further be infected with by bearing main part 3, then reach better lubricated effect, make bearing main part 3 have better lubricated effect, then make when using, in order to reduce the wearing and tearing to bearing main part 3, help prolonging the life of bearing main part 3, and make when using, can reduce the noise that produces in the course of the work;

secondly, in the using process, when the needle roller main body 3 in the needle roller bearing inner ring 2 is damaged, the external thimble is inserted into the limiting hole 10 to abut against the limiting fixture block 604, so that the limiting fixture block 604 moves downwards, namely, the limiting fixture block 604 is separated from the limiting hole 10, then the needle roller bearing inner ring 2 is pulled outwards, so that the hollow cavity 602 slides in the mounting groove 5 and synchronously slides in the guide groove 9 through the guide block 605 to perform limiting guide, and then the needle roller bearing inner ring 2 can be separated from the needle roller bearing outer ring 1, so that the damaged needle roller in the needle roller bearing inner ring 2 can be replaced and overhauled.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (7)

1. The utility model provides a needle bearing that noise is little, includes needle bearing outer lane (1), its characterized in that: the needle roller bearing comprises a needle roller bearing outer ring (1), a needle roller main body (3) is uniformly arranged inside the needle roller bearing outer ring (1), an oil filling hole (4) is uniformly formed in the outer side of the needle roller bearing outer ring (1), a mounting groove (5) is uniformly formed inside the needle roller bearing outer ring (1), guide grooves (9) are arranged on two sides of the inside of the mounting groove (5), a sliding-mounting mechanism (6) is arranged inside the mounting groove (5), an oil storage cavity (7) is uniformly formed inside the needle roller bearing outer ring (1), oil outlet holes (8) are uniformly formed in one side of the oil storage cavity (7), and limiting holes (10) are uniformly formed in the outer side of the needle roller bearing outer ring (1).

2. A needle roller bearing with reduced noise as set forth in claim 1, wherein: the section of the needle roller main body (3) is circular, and the needle roller main body (3) is annularly distributed in the needle roller bearing inner ring (2).

3. A needle roller bearing with reduced noise as set forth in claim 1, wherein: the section of the oil injection hole (4) is circular, four groups of oil injection holes (4) are arranged on the outer side of the needle bearing outer ring (1), and the four groups of oil injection holes (4) are annularly distributed on the outer side of the needle bearing outer ring (1).

4. A needle bearing with reduced noise according to claim 1, wherein: the cross-section of oil storage chamber (7) is the arc, oil storage chamber (7) are provided with four groups in bearing outer lane (1) inside, connect through oil outlet (8) between oil storage chamber (7) and the bearing inner circle (2).

5. A needle bearing with reduced noise according to claim 1, wherein: the sliding mechanism (6) comprises a sliding strip (601), the sliding strip (601) is arranged on the outer side of the needle bearing inner ring (2), a hollow cavity (602) is arranged inside the sliding strip (601), a compression spring (603) is arranged inside the hollow cavity (602), a limiting clamping block (604) is arranged at one end of the compression spring (603), one end of the limiting clamping block (604) extends to the inside of the limiting hole (10), guide blocks (605) are arranged on two sides of the sliding strip (601), and one end of each guide block (605) extends to the inside of the guide groove (9).

6. A needle bearing with reduced noise as set forth in claim 5, wherein: the cross section of the limiting clamping blocks (604) is U-shaped, and four groups of limiting clamping blocks (604) and four groups of sliding strips (601) are arranged on the outer side of the needle bearing inner ring (2).

7. A needle roller bearing with reduced noise as set forth in claim 1, wherein: four groups of limiting holes (10) are formed in the needle bearing outer ring (1), two limiting holes are formed in each group, and the positions of the limiting holes (10) in each group correspond to the positions of the limiting clamping blocks (604) one by one.

Images