CN220015820U

CN220015820U - Needle bearing

Info

Publication number: CN220015820U
Application number: CN202321365173.4U
Authority: CN
Inventors: 罗有军; 翟雨楼
Original assignee: Yangzhou Luoman Bearing Co ltd
Current assignee: Yangzhou Luoman Bearing Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-11-14
Anticipated expiration: 2033-05-31

Abstract

The utility model relates to the technical field of needle bearings, and discloses a needle bearing which solves the problem of the needle bearing in the current market and comprises an outer shaft sleeve, wherein an inner shaft sleeve is arranged on the inner side of the outer shaft sleeve, a needle roller body is movably connected on the inner side of the inner shaft sleeve, side guard plates are movably connected on two sides of the inner shaft sleeve, and a clamping mechanism is arranged on one side of each side guard plate; firstly, the threaded rod is taken out after being rotationally separated along the thread groove, and the side guard plate is rotated until the clamping rod is separated from the limiting plate, so that the side guard plate can be taken out, and the efficiency and portability of cleaning and maintenance of the needle roller bearing are improved; through cup jointing the sealing gasket behind the surface of side guard plate, utilize the sealing gasket can cover the separation to the gap between side guard plate and the interior cover, improve the compactability of fastening ring behind the rotatory bolt simultaneously to improved the compactability of sealing gasket and side guard plate surface laminating, reduced the friction that dust impurity etc. produced with the needle roller body, prolonged needle roller bearing's life.

Description

Needle bearing

Technical Field

The utility model belongs to the technical field of needle bearings, and particularly relates to a needle bearing.

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 friction coefficient of the roller bearing is smaller than that of a sliding bearing, the roller bearing has the advantages of high transmission efficiency and the like, meanwhile, the heat productivity is low, and the later lubrication and maintenance are more trouble-free.

In the prior art, the authority publication number CN217107870U discloses a "needle bearing"; including the holder, and the holder includes holder main part and locating part, the locating part is annular structure, and the internal diameter of locating part is connected with the one end of holder main part, the terminal surface that the locating part kept away from the holder main part can with set up at epaxial butt piece butt, utilize the locating part to avoid the holder to follow the axis direction and remove, the terminal surface of control holder and the axis clearance of butt piece, and need not set up the inner circle and carry out spacingly, be favorable to simplifying the bearing structure, reduce bearing's processing cost, simultaneously, this bearing structure is small and exquisite, the requirement is low to the installation space, can be applied to the less environment of mounting hole diameter of installed part, this bearing is through self solution spacing problem, structural layout requirement is low, be favorable to expanding bearing's application range.

Such a "needle bearing" as described above still has some drawbacks, such as: when the existing needle roller bearing is used for a long time, impurities such as fine dust which cannot be seen by naked eyes enter the bearing, friction is generated between the impurities and the inside of the bearing, abrasion of the bearing is increased, vibration and noise are generated, the service life and effect of the bearing are reduced, meanwhile, the bearing needs to be lubricated and maintained in the later period to keep the effect of the bearing, and the bearing is more complicated to disassemble during maintenance, and is time-consuming and labor-consuming;

for this purpose, a needle bearing is proposed to solve the above-mentioned problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a needle bearing to solve the problems that dust and the like in the background art can increase the abrasion of the bearing, the service life of the bearing can be reduced, and meanwhile, the disassembly is complicated.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a needle bearing, includes outer axle sleeve, the inboard of outer axle sleeve is provided with interior axle sleeve, interior axle sleeve's inboard swing joint has the kingpin body, interior axle sleeve's both sides swing joint has the side shield, one side of side shield is provided with joint mechanism, joint mechanism includes fixed plate and screw groove, the inboard fixedly connected with fixed plate of outer axle sleeve, the screw groove has been seted up to the one end of fixed plate, the inboard threaded connection of screw groove has the threaded rod, the outside of outer axle sleeve is provided with sealing mechanism.

As the preferable scheme, sealing mechanism includes sealed pad and fastening ring, the outside swing joint of side shield has sealed pad, sealed surface activity that fills up has cup jointed the fastening ring, the one end fixedly connected with first curb plate of fastening ring, the other end fixedly connected with second curb plate of fastening ring.

As a preferable scheme, the surface of the threaded rod is movably sleeved with a fastening pad, and one side of the fastening pad is movably connected with one side of the side guard plate.

As an optimal scheme, the bottom fixedly connected with limiting plate of fixed plate, one side fixedly connected with clamping rod of side guard plate, just the surface of clamping rod and the inboard swing joint of limiting plate.

As a preferable scheme, the inner side of the second side plate and the inner side of the first side plate are both in threaded connection with bolts, and one end of each bolt is in threaded sleeve connection with a nut.

Preferably, friction plates are fixedly connected to the surface of the side guard plate, the number of the friction plates is multiple, and the friction plates are symmetrically arranged along one side of the side guard plate.

Compared with the prior art, the utility model provides a needle bearing, which has the following beneficial effects:

1) In the work of the needle roller bearing, firstly, the threaded rod is taken out after being rotationally separated along the thread groove, after the threaded rod is taken out, an operator presses the friction plate to push the side guard plate to rotate along one side of the inner sleeve, the clamping connection rod moves along the inner side of the limiting plate through rotating the side guard plate until the clamping connection rod is separated from the limiting plate, and at the moment, the side guard plate can be taken out, so that the inner sleeve and an oil chamber at the inner side of the outer sleeve can be cleaned conveniently, and the cleaning and maintenance efficiency and portability of the needle roller bearing are improved;

2) In this bearing work, through cup joint the sealing washer behind the surface of side guard plate, utilize the sealing washer can cover the separation in the gap between side guard plate and the interior cover, improve the compactness of holding ring behind the rotatory bolt simultaneously to improved the compactness of sealing washer and side guard plate surface laminating, reduced the friction that dust impurity etc. produced with the kingpin body, prolonged bearing's life.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the appearance structure of the present utility model;

FIG. 2 is a schematic diagram of a side guard structure according to the present utility model;

FIG. 3 is a schematic view of a clamping mechanism according to the present utility model;

FIG. 4 is a schematic view of a sealing mechanism of the present utility model;

FIG. 5 is a schematic view of structure A of the present utility model;

the reference numerals in the figures illustrate: 1. an outer sleeve; 2. an inner sleeve; 3. a needle roller body; 4. a side guard plate; 5. a clamping mechanism; 501. a fixing plate; 502. a thread groove; 503. a limiting plate; 504. a clamping rod; 505. a threaded rod; 506. a fastening pad; 507. a friction plate; 6. a sealing mechanism; 601. a sealing gasket; 602. a fastening ring; 603. a first side plate; 604. a second side plate; 605. a bolt; 606. and (3) a nut.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a needle bearing, including outer axle sleeve 1, the inboard of outer axle sleeve 1 is provided with interior axle sleeve 2, the inboard swing joint of interior axle sleeve 2 has the needle body 3, the both sides swing joint of interior axle sleeve 2 has side shield 4, one side of side shield 4 is provided with joint mechanism 5, joint mechanism 5 includes fixed plate 501 and thread groove 502, the inboard fixedly connected with fixed plate 501 of outer axle sleeve 1, thread groove 502 has been seted up to the one end of fixed plate 501, the inboard threaded connection of thread groove 502 has threaded rod 505, through rotating threaded rod 505 along thread groove 502, can be with side shield 4 firm with one side of interior axle sleeve 2 be connected, spacing fixedly is carried out to side shield 4.

In a further preferred embodiment of the present utility model, referring to fig. 1 to 5, a sealing mechanism 6 is disposed on the outer side of the outer sleeve 1, the sealing mechanism 6 includes a sealing pad 601 and a fastening ring 602, the outer side of the side guard 4 is movably connected with the sealing pad 601, the surface of the sealing pad 601 is movably sleeved with the fastening ring 602, one end of the fastening ring 602 is fixedly connected with a first side plate 603, the other end of the fastening ring 602 is fixedly connected with a second side plate 604, and after the bolts 605 are rotated along the inner sides of the first side plate 603 and the second side plate 604, the second side plate 604 and the first side plate 603 can be limited and fastened, so that the adhesion tightness between the sealing pad 601 and the surface of the side guard 4 can be improved.

In a further preferred embodiment of the present utility model, referring to fig. 1 to 5, a fastening pad 506 is movably sleeved on the surface of the threaded rod 505, and one side of the fastening pad 506 is movably connected with one side of the side guard 4, after the threaded rod 505 is screwed and connected with the thread groove 502, the fastening pad 506 is sleeved on the surface of the threaded rod 505 to be attached to one side of the side guard 4, so that external impurities and the like can be reduced from entering the inner side of the side guard 4.

In a further preferred embodiment of the present utility model, referring to fig. 1 to 5, the bottom of the fixing plate 501 is fixedly connected with a limiting plate 503, one side of the side guard plate 4 is fixedly connected with a clamping rod 504, the surface of the clamping rod 504 is movably connected with the inner side of the limiting plate 503, when in installation, the clamping rod 504 moves to the bottom of the fixing plate 501 along the inner side of the limiting plate 503, and by limiting the clamping rod 504 by the limiting plate 503, the shaking of the side guard plate 4 after installation can be reduced, and meanwhile, the falling of the side guard plate 4 is avoided.

In a further preferred embodiment of the present utility model, referring to fig. 1 to 5, the inner side of the second side plate 604 and the inner side of the first side plate 603 are both in threaded connection with a bolt 605, one end of the bolt 605 is in threaded connection with a nut 606, and the nut 606 is in threaded connection with one end of the bolt 605, so that limit fastening can be performed after the bolt 605 passes through the second side plate 604 and the first side plate 603.

In a further preferred embodiment of the present utility model, referring to fig. 1 to 5, friction plates 507 are fixedly connected to the surface of the side guard 4, and the number of friction plates 507 is plural, and the plurality of friction plates 507 are symmetrically arranged along one side of the side guard 4, so that friction force when the side guard 4 rotates can be improved by the friction plates 507, and slipping when the side guard 4 rotates can be reduced.

Specific use and action of the embodiment: when the needle bearing needs to be lubricated and maintained in daily work, firstly, an operator rotates the threaded rod 505 by means of an external tool, separates the threaded rod 505 after rotating along the threaded groove 502, can take out the threaded rod 505 along one side of the side guard plate 4 at the moment, presses the friction plate 507 to push the side guard plate 4 to rotate along one side of the inner shaft sleeve 2 after taking out, and enables the clamping rod 504 to move along the inner side of the limiting plate 503 by rotating the side guard plate 4 until the clamping rod 504 is separated from the limiting plate 503, and can take out the side guard plate 4 at the moment, so that the inner shaft sleeve 2 and an oil cavity chamber at the inner side of the outer shaft sleeve 1 can be cleaned conveniently, and the efficiency and portability of cleaning and maintaining the needle bearing are improved;

in the installation process after cleaning, firstly, after the side guard plate 4 is moved to one side of the inner sleeve 2, the friction plate 507 is pressed at the moment, and then the side guard plate 4 is rotated, so that the clamping connection rod 504 moves to the bottom of the fixing plate 501 along the inner side of the limiting plate 503, the clamping connection rod 504 is limited by the limiting plate 503, shaking generated after the side guard plate 4 is installed can be reduced, meanwhile, the side guard plate 4 is prevented from falling off, after the clamping connection rod 504 is attached to the limiting plate 503, the side guard plate 4 can be firmly connected with one side of the inner sleeve 2 by rotating the threaded rod 505 along the thread groove 502, and meanwhile, external sundries and the like can be reduced to enter the inner side of the side guard plate 4 by the fastening pad 506;

after the side guard plate 4 is mounted on one side of the inner shaft sleeve 2, the sealing gasket 601 is sleeved on the surface of the side guard plate 4, gaps between the side guard plate 4 and the inner shaft sleeve 2 can be covered and blocked by the sealing gasket 601, meanwhile, after the sealing gasket 601 is sleeved on the surface of the side guard plate 4, the fastening ring 602 is sleeved along the surface of the sealing gasket 601, an operator penetrates the bolts 605 into the inner sides of the second side plate 604 and the first side plate 603 at the moment, and through sleeving the nuts 606 to one ends of the bolts 605, the bolts 605 are rotated, the second side plate 604 and the first side plate 603 can be limited and fastened, the adhesion between the sealing gasket 601 and the surface of the side guard plate 4 can be improved, external impurities, dust and the like can be reduced from entering the inner side of the inner shaft sleeve 2, friction between the dust impurities and the like and the needle roller pin body 3 is reduced, and the service life of the needle bearing is prolonged;

what is not described in detail in this specification is of the prior art known to those skilled in the art and is not critical to the utility model and is therefore not described.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. Needle bearing, including outer axle sleeve (1), its characterized in that: the novel needle roller is characterized in that an inner shaft sleeve (2) is arranged on the inner side of the outer shaft sleeve (1), a needle roller body (3) is movably connected to the inner side of the inner shaft sleeve (2), side guard plates (4) are movably connected to the two sides of the inner shaft sleeve (2), a clamping mechanism (5) is arranged on one side of each side guard plate (4), each clamping mechanism (5) comprises a fixing plate (501) and a thread groove (502), a fixing plate (501) is fixedly connected to the inner side of the outer shaft sleeve (1), a thread groove (502) is formed in one end of each fixing plate (501), a threaded rod (505) is connected to the inner side of each thread groove (502) in a threaded mode, and a sealing mechanism (6) is arranged on the outer side of the outer shaft sleeve (1).

2. A needle bearing according to claim 1, wherein: sealing mechanism (6) are including sealed pad (601) and fastening ring (602), the outside swing joint of curb plate (4) has sealed pad (601), the surface activity of sealed pad (601) has cup jointed fastening ring (602), the one end fixedly connected with first curb plate (603) of fastening ring (602), the other end fixedly connected with second curb plate (604) of fastening ring (602).

3. A needle bearing according to claim 2, wherein: the surface of the threaded rod (505) is movably sleeved with a fastening pad (506), and one side of the fastening pad (506) is movably connected with one side of the side guard plate (4).

4. A needle bearing according to claim 3, wherein: the bottom of fixed plate (501) fixedly connected with limiting plate (503), one side of side guard plate (4) fixedly connected with clamping rod (504), just the surface of clamping rod (504) and the inboard swing joint of limiting plate (503).

5. A needle bearing as in claim 4, wherein: the inner side of the second side plate (604) and the inner side of the first side plate (603) are both in threaded connection with bolts (605), and one end of each bolt (605) is in threaded sleeve connection with a nut (606).

6. A needle bearing as in claim 5, wherein: the surface of the side guard plate (4) is fixedly connected with friction plates (507), the number of the friction plates (507) is multiple, and the friction plates (507) are symmetrically arranged along one side of the side guard plate (4).