CN215214369U

CN215214369U - Needle bearing with oil storage and dust prevention functions

Info

Publication number: CN215214369U
Application number: CN202121515060.9U
Authority: CN
Inventors: 谢释斋
Original assignee: CHANGZHOU WUJIN CHANGJIANG NEEDLE BEARING CO LTD
Current assignee: CHANGZHOU WUJIN CHANGJIANG NEEDLE BEARING CO LTD
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-12-17
Anticipated expiration: 2031-07-05

Abstract

The utility model relates to a bearing technical field especially relates to a bearing with dustproof function of oil storage, has solved and has used easily to pile up the dust in the bearing under the more environment of dust among the prior art, causes the bearing operation not smooth, and after long-time the use, the inside lubricating oil of bearing can run off and lead to the problem of the easy wearing and tearing of kingpin. The utility model provides a needle bearing with dustproof function of oil storage, includes the bearing inner race, and the inside of bearing inner race is equipped with the bearing inner race, is equipped with the kingpin that a plurality of is central symmetry state and distributes between bearing inner race and the bearing outer race. The utility model discloses a fixed connection between fixing base and with kingpin and bearing inner race avoids the kingpin to expose in the air, reduces the probability of dust direct and kingpin contact to avoid leading to the not smooth problem of bearing operation to take place because of the dust, simultaneously, the dustproof mechanism of connecting is decided to the fixing base both sides carries out cleaning to the inner wall of bearing inner race when the bearing operation, further prevents the accumulational problem of dust.

Description

Needle bearing with oil storage and dust prevention functions

Technical Field

The utility model relates to a bearing technical field especially relates to a needle bearing with dustproof function of oil storage.

Background

The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body.

There are many types of bearings, one of which is a needle bearing that incorporates thin, long needles, and therefore is compact in radial configuration, has the same inner diameter and load capacity as other types of bearings, has the smallest outer diameter, and is particularly suitable for bearing configurations where the radial mounting dimension is limited.

However, when the roller bearing is used in an environment with much dust, dust is easily accumulated in the bearing, the bearing is not smooth to operate, and after the roller bearing is used for a long time, lubricating oil in the bearing is lost, so that the roller pins are easy to wear.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bearing with dustproof function of oil storage has solved and has used easily to pile up the dust in the bearing under the more environment of dust among the prior art, causes the bearing operation not smooth, uses the back for a long time, and the inside lubricating oil of bearing can run off and lead to the problem of the easy wearing and tearing of kingpin.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a needle bearing with dustproof function of oil storage, including the bearing inner race, the inside of bearing inner race is equipped with the bearing inner race, be equipped with the kingpin that a plurality of is central symmetry state distribution between bearing inner race and the bearing inner race, be equipped with the fixing base between kingpin and the bearing inner race, fixed connection between the inner wall of fixing base and the bearing inner race, the draw-in groove that a plurality of and kingpin are corresponding state is seted up to one side that the bearing inner race was kept away from to the fixing base, rotate through the draw-in groove between kingpin and the fixing base and be connected, the equal fixedly connected with a plurality of groups in both sides that the fixing base is located the draw-in groove is the dustproof mechanism that central symmetry state distributes.

Preferably, an oil storage tank is arranged in the fixing seat and communicated with the clamping groove.

Preferably, the inner wall fixedly connected with elasticity switch of oil storage tank, the oil supply mouth has been seted up to the side of oil storage tank, and the inside of oil supply mouth is worn to locate by the one end of elasticity switch.

Preferably, elastic switch still includes pipe, spring, kicking block and snap ring, and the one end fixed connection of pipe is in the inner wall of oil storage tank, fixed connection between the other end of pipe and the oil supplementing mouth, and the oil-out that a plurality of is central symmetric state and distributes is seted up to the side of pipe, and the inside of pipe is equipped with the kicking block, through spring elastic connection between the bottom of kicking block and the pipe, kicking block fixedly connected with snap ring, through snap ring sliding connection between kicking block and the pipe inner wall.

Preferably, the dustproof mechanism further comprises a plurality of groups of guide pieces which are distributed in a central symmetry manner, the guide pieces are distributed in a V-shaped state, and two ends of each two adjacent guide pieces are fixedly connected.

Preferably, the inner wall of the outer ring is provided with a sliding groove corresponding to the needle roller.

The utility model discloses for prior art possesses following beneficial effect at least:

1. through fixed connection between fixing base with bearing and the bearing inner race, the fixing base is established the kingpin package inside, avoids the kingpin to expose in the air, reduces the direct probability with the kingpin contact of dust to avoid leading to the not smooth problem of bearing operation to take place because of the dust, simultaneously, because be reverse motion between bearing inner race and the bearing inner race, the dustproof mechanism of fixing base both sides fixed connection carries out cleaning to the inner wall of bearing inner race when the bearing operation, further prevents the accumulational problem of dust.

2. The oil storage tank is arranged in the fixing seat and communicated with the clamping groove, so that the roller pins are directly contacted with lubricating oil in the oil storage tank when the roller pins operate, the lubricating oil loss speed is reduced, the abrasion speed of the roller pins is reduced, lubricating oil is conveniently added into the bearing through the oil supplementing port controlled by the elastic switch, the service life of the bearing is prolonged, and the guide pieces fixedly connected to the two sides of the fixing seat in a V shape can clean the inner wall of the bearing outer ring no matter the bearing outer ring rotates in any direction.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced 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 any creative effort.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic elevation view in partial cross-sectional configuration of FIG. 1;

FIG. 3 is a side view partially in section in structural schematic form of FIG. 1;

fig. 4 is a schematic sectional view of the elastic switch inside the fixing base.

In the figure: 1. a bearing outer race; 2. a bearing inner race; 3. rolling needles; 4. a fixed seat; 5. a card slot; 6. a dust-proof mechanism; 7. an oil storage tank; 8. an elastic switch; 9. an oil supplementing port; 10. a conduit; 11. a spring; 12. a top block; 13. a snap ring; 14. an oil outlet; 15. a guide piece; 16. a chute.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, a needle roller bearing with oil storage and dust prevention functions comprises a bearing outer ring 1, a bearing inner ring 2 is arranged inside the bearing outer ring 1, a plurality of needle rollers 3 distributed in a central symmetrical state are arranged between the bearing outer ring 1 and the bearing inner ring 2, a fixing seat 4 is arranged between the needle rollers 3 and the bearing inner ring 2, the inner wall of the fixing seat 4 is fixedly connected with the bearing inner ring 2, one side, away from the bearing inner ring 2, of the fixing seat 4 is provided with a plurality of clamping grooves 5 corresponding to the needle rollers 3, the needle rollers 3 are rotatably connected with the fixing seat 4 through the clamping grooves 5, and a plurality of sets of dust prevention mechanisms 6 distributed in the central symmetrical state are fixedly connected to two sides, located on the clamping grooves 5, of the fixing seat 4.

The scheme has the following working processes:

the bearing is sleeved on the side face of the tubular object through the bearing inner ring 2, the fixed seat 4 inside the bearing is fixedly connected with the bearing inner ring 2, the fixed seat 4 is rotatably connected with the bearing outer ring 1 through the roller pin 3 which is rotatably connected inside the clamping groove 5 formed in the side face of the fixed seat 4, and when the bearing outer ring 1 and the bearing inner ring 2 are in a moving state, the dustproof mechanism 6 on the side face of the fixed seat 4 scrapes dust falling on the inner wall of the bearing outer ring 1.

According to the working process, the following steps are known:

the area of the needle roller 3 exposed in the air is reduced by adding the fixing seat 4, so that the area of dust adhesion influence is reduced, and when the device operates, the bearing outer ring 1 and the bearing inner ring 2 move in the reverse direction, and the fixing seat 4 and the bearing inner ring 2 are fixedly connected, so that the dustproof mechanisms 6 fixedly connected to the two sides of the fixing seat 4 can clean the inner wall of the bearing outer ring 1 along with the movement of the bearing, and further dust accumulation is prevented to cause unsmooth bearing operation.

Further, oil storage tank 7 has been seted up to fixing base 4's inside, and oil storage tank 7 is linked together with draw-in groove 5, and is concrete, through seting up the oil storage tank 7 that is the connected state with draw-in groove 5, makes the direct lubricating oil contact with oil storage tank 7 inside of the 3 directness of kingpin of draw-in groove 5, avoids lubricating oil to run off fast when reducing 3 wearing degrees of kingpin by a wide margin.

Further, the inner wall fixed connection of oil storage tank 7 has elasticity switch 8, and oil supply opening 9 has been seted up to the side of oil storage tank 7, and the inside of oil supply opening 9 is worn to locate by elasticity switch 8's one end, and is concrete, avoids lubricating oil to spill when can carrying out the replenishment to oil storage tank 7 through the inside elasticity switch 8 of oil supply opening 9.

Further, elastic switch 8 still includes pipe 10, spring 11, kicking block 12 and snap ring 13, the one end fixed connection of pipe 10 is in the inner wall of oil storage tank 7, fixed connection between the other end of pipe 10 and the oil supplementing hole 9, a plurality of oil-out 14 that is central symmetric state and distributes is seted up to the side of pipe 10, the inside of pipe 10 is equipped with kicking block 12, through spring 11 elastic connection between the bottom of kicking block 12 and the pipe 10, kicking block 12 fixedly connected with snap ring 13, through snap ring 13 sliding connection between kicking block 12 and the pipe 10 inner wall, it is concrete, the kicking block 12 operation by spring 11 elastic connection is guided through the effect of pipe 10, the snap ring 13 of kicking block 12 side avoids kicking block 12 to pop out oil storage tank 7, oil-out 14 that pipe 10 side was seted up is convenient for get into the inside of oil storage tank 7 when replenishing lubricating oil.

Further, dustproof mechanism 6 still includes that a plurality of groups are centrosymmetric distribution's guide piece 15, and guide piece 15 is V font state and distributes, and fixed connection between two adjacent guide piece 15's the both ends, it is concrete, the guide piece 15 that is the V font can all guide away the dust when bearing inner race 1 arbitrary direction rotates, improves holistic practicality.

Further, the inner wall of the outer ring is provided with a sliding groove 16 corresponding to the roller pin 3, specifically, the roller pin 3 is hidden through the design of the sliding groove 16, and dust is prevented from directly contacting the roller pin 3 due to the fact that the roller pin 3 is exposed.

In summary, the area of the needle rollers 3 exposed to the air is reduced by adding the fixed seat 4, so as to reduce the area of dust adhesion influence, when in operation, because the bearing outer ring 1 and the bearing inner ring 2 move in reverse direction, and the fixed seat 4 and the bearing inner ring 2 are fixedly connected, the dustproof mechanisms 6 fixedly connected to the two sides of the fixed seat 4 can clean the inner wall of the bearing outer ring 1 along with the movement of the bearing, so as to prevent the bearing from running unsmoothly due to dust accumulation, the needle rollers 3 in the clamping grooves 5 are directly contacted with the lubricating oil in the oil storage grooves 7 by arranging the oil storage grooves 7 in a state of being communicated with the clamping grooves 5, so that the abrasion degree of the needle rollers 3 is greatly reduced, the lubricating oil is prevented from being rapidly lost, the lubricating oil is prevented from leaking out while the oil storage grooves 7 can be supplemented by the elastic switch 8 in the oil supplementing port 9, the ejector block 12 elastically connected by the spring 11 is guided to run by the action of the guide pipe 10, snap ring 13 of kicking block 12 side avoids kicking block 12 to pop out oil storage tank 7, and the oil-out 14 that pipe 10 side was seted up is convenient for get into the inside of oil storage tank 7 when replenishing lubricating oil, and guide piece 15 that is the V font can all guide away the dust when bearing inner race 1 arbitrary direction rotates, improves holistic practicality, hides bearing roller 3 through the design of spout 16, avoids bearing roller 3 to expose and leads to the dust direct and the contact of bearing roller 3.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A needle roller bearing with oil storage and dust prevention functions comprises a bearing outer ring (1) and is characterized in that, a bearing inner ring (2) is arranged in the bearing outer ring (1), a plurality of roller pins (3) which are distributed in a central symmetry state are arranged between the bearing outer ring (1) and the bearing inner ring (2), a fixed seat (4) is arranged between the needle roller (3) and the bearing inner ring (2), the inner wall of the fixed seat (4) is fixedly connected with the bearing inner ring (2), a plurality of clamping grooves (5) corresponding to the roller pins (3) are arranged on one side of the fixed seat (4) far away from the bearing inner ring (2), the roller pins (3) are rotatably connected with the fixed seat (4) through clamping grooves (5), the two sides of the fixed seat (4) on the clamping groove (5) are fixedly connected with a plurality of groups of dustproof mechanisms (6) which are distributed in a central symmetry state.

2. The needle bearing with the oil storage and dust prevention functions as claimed in claim 1, wherein an oil storage groove (7) is formed in the fixing seat (4), and the oil storage groove (7) is communicated with the clamping groove (5).

3. The needle roller bearing with the oil storage and dust prevention functions as claimed in claim 2, wherein an elastic switch (8) is fixedly connected to the inner wall of the oil storage tank (7), an oil supplementing port (9) is formed in the side surface of the oil storage tank (7), and one end of the elastic switch (8) is arranged in the oil supplementing port (9) in a penetrating manner.

4. The needle roller bearing with the oil storage and dust prevention functions as claimed in claim 3, wherein the elastic switch (8) further comprises a conduit (10), a spring (11), a top block (12) and a snap ring (13), one end of the conduit (10) is fixedly connected to the inner wall of the oil storage tank (7), the other end of the conduit (10) is fixedly connected with the oil supplementing port (9), a plurality of oil outlets (14) distributed in a central symmetry state are formed in the side surface of the conduit (10), the top block (12) is arranged inside the conduit (10), the bottom of the top block (12) is elastically connected with the conduit (10) through the spring (11), the snap ring (13) is fixedly connected with the top block (12), and the top block (12) is slidably connected with the inner wall of the conduit (10) through the snap ring (13).

5. The needle roller bearing with the oil storage and dust prevention functions as claimed in claim 4, wherein the dust prevention mechanism (6) further comprises a plurality of groups of guide pieces (15) which are distributed in a centrosymmetric manner, the guide pieces (15) are distributed in a V-shaped state, and two ends of each two adjacent guide pieces (15) are fixedly connected.

6. The needle bearing with the oil storage and dust prevention functions as claimed in claim 5, wherein the inner wall of the outer ring is provided with a sliding groove (16) corresponding to the needle roller (3).