CN212509208U - Needle roller bearing - Google Patents

Abstract

The utility model discloses a needle roller bearing, including the bearing inner race, the inner chamber sealing mounting of bearing inner race has the fender bracket and rotates on the fender bracket and installs the kingpin, be equipped with between fender bracket and the bearing inner race and hold the chamber, the inner chamber that the upper end of bearing inner race is fixed with oiling section of thick bamboo and oiling section of thick bamboo is installed and is added oil post, add oil post and oiling section of thick bamboo swing joint, be equipped with on the inner chamber wall of bearing inner race and be equipped with multiunit support column and multiunit support column that is the even equidistant range of circumference as the centre of a circle and be close to the one end and the kingpin sliding contact of kingpin with. A bearing, be equipped with an oiling section of thick bamboo and add oil column, rotate the cylinder, easy operation need not to screw off the cylinder, reducible impurity gets into and holds the intracavity way, improves bearing's life.

Description

Needle roller bearing

Technical Field

The utility model relates to a bearing equipment field, in particular to bearing.

Background

Current needle bearing improves the life of bearing for the convenience of the inside lubricating oil that stores of bearing, generally all can set up and hold chamber and tank filler sleeve, it has to holding the intracavity notes to improving the tank filler sleeve hole, and current tank filler sleeve generally carries out thread seal through the screw, need with the screw spiral down again to and inside oiling, and the screw of screwing down is often because keeping improper, lead to being stained with the dust on the screw, can make the dust get into when sealing to the tank filler sleeve and hold the intracavity, reduce the life of bearing easily, therefore, we provide a needle bearing.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a needle roller bearing, which can effectively solve the problems of the prior art.

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

the utility model provides a needle bearing, includes the bearing inner race, the inner chamber seal of bearing inner race installs fender bracket and fender bracket go up to rotate and install the kingpin, be equipped with between fender bracket and the bearing inner race and hold the chamber, the inner chamber that the upper end of bearing inner race is fixed with oiling section of thick bamboo and oiling section of thick bamboo installs the oil column, it installs with oiling section of thick bamboo swing joint to add the oil column, be equipped with on the inner chamber wall of bearing inner race and be equipped with the one end and the kingpin sliding contact that the multiunit support column and the multiunit support column that use the axle center of bearing inner race to be the even equidistant range.

Preferably, annotate a section of thick bamboo and include the barrel, the lower extreme of barrel runs through the upper end of bearing inner race and extends to and hold the intracavity, and the inner chamber bottom of barrel is fixed with the spring, the upper end and the removal plectane fixed connection of spring, the end is the symmetry about removing the plectane and is equipped with the slip joint piece and two sets of slip joint pieces keep away from the one end that removes the plectane and is located the slip joint inslot that is equipped with respectively on the lateral wall about the barrel.

Preferably, it includes the cylinder to add the oil column, the lower extreme of cylinder is fixed with the inner chamber wall threaded connection of screw thread post and barrel, the lower extreme of screw thread post is fixed with the lower extreme that rotates joint post and rotate the joint post and runs through the inner chamber bottom of removing plectane and barrel and extend to its below, it rotates the joint post and removes plectane rotation joint to rotate the joint post, the inner chamber that cylinder, screw thread post and rotation joint post is equipped with refuels the passageway.

Preferably, the oil filling channel comprises an inclined channel and a straight channel, and the inclined channel is positioned above the straight channel and communicated with the inner cavity of the straight channel.

Preferably, the position of the cylinder body above the bearing outer ring is provided with an oil filling hole.

Preferably, be equipped with elastic sealing pad and elastic sealing pad's outer wall and the inner chamber wall sliding conflict of barrel on the outer wall of cylinder, the upper end of cylinder is equipped with the plum blossom mold recess.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, be equipped with oiling section of thick bamboo and oil column, the cylinder rotates for refueling channel's oil filler hole and filler sleeve coincidence, accessible filler sleeve injects lubricating oil into to refueling channel in, lubricating oil gets into and holds the chamber and can lubricate the kingpin, reverse rotation can remove the state of oil filler hole and filler sleeve coincidence, can make the cylinder stabilize the inner chamber of fixing at the barrel through the effect of spring elasticity, this process easy operation need not to screw down the cylinder, reducible impurity gets into and holds the intracavity way, the life of improvement bearing.

Drawings

Fig. 1 is an overall structure diagram of a needle bearing of the present invention;

fig. 2 is a right side sectional view of the needle roller bearing of the present invention;

fig. 3 is a sectional view of a cylinder of the needle bearing of the present invention;

fig. 4 is a sectional view of an oil filling column of the needle bearing of the present invention;

fig. 5 is a top sectional view of the needle roller bearing of the present invention.

In the figure: 1. a bearing outer race; 2. a protection frame; 3. rolling needles; 4. an oil filling cylinder; 41. a barrel; 42. moving the circular plate; 43. a sliding clamping block; 44. a spring; 5. an oil filling hole; 6. an accommodating chamber; 7. an oil filler pin; 71. a cylinder; 72. a threaded post; 73. rotating the clamping column; 74. a refueling passage; 741. an inclined channel; 742. a linear channel; 8. a quincunx groove; 9. an elastic sealing gasket; 10. and (4) a support column.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.

As shown in fig. 1-5, a needle roller bearing, including bearing inner race 1, the sealed installation of inner chamber of bearing inner race 1 has fender bracket 2 and rotation on fender bracket 2 installs kingpin 3, be equipped with between fender bracket 2 and the bearing inner race 1 and hold chamber 6, the upper end of bearing inner race 1 is fixed with oiling section of thick bamboo 4 and oiling section of thick bamboo 4's inner chamber installs oiling post 7, oiling post 7 and oiling section of thick bamboo 4 swing joint, be equipped with on the inner chamber wall of bearing inner race 1 and be equipped with the even equidistant one end and the kingpin 3 sliding contact of the even equidistant multiunit support column 10 of circumference and multiunit support column 10 of arranging of axis of bearing inner race 1 as the centre of a circle.

The oiling barrel 4 comprises a barrel body 41, the lower end of the barrel body 41 penetrates through the upper end of the bearing outer ring 1 and extends into and holds the cavity 6, a spring 44 is fixed at the bottom of an inner cavity of the barrel body 41, the upper end of the spring 44 is fixedly connected with a movable circular plate 42, the left end and the right end of the movable circular plate 42 are symmetrically provided with sliding clamping blocks 43, one ends, far away from the movable circular plate 42, of the two groups of sliding clamping blocks 43 are respectively located in sliding clamping grooves formed in the left side wall and the right side wall of the barrel body 41, and the oiling column 7 can be fixed through the elastic action of the spring 44.

Add oil column 7 and include cylinder 71, the lower extreme of cylinder 71 is fixed with screw post 72 and the inner chamber wall threaded connection of barrel 41, the lower extreme of screw post 72 is fixed with rotates joint post 73 and rotates the lower extreme of joint post 73 and run through the inner chamber bottom of removing plectane 42 and barrel 41 and extend to its below, it rotates joint post 73 and removes plectane 42 and rotates the joint, cylinder 71, screw post 72 and the inner chamber of rotating joint post 73 are equipped with refuels passageway 74, can make to have the entering to hold chamber 6 through filling oil to refuel passageway 74, lubricating oil and the contact of kingpin 3 lubricate.

The refueling passage 74 includes an inclined passage 741 and a straight passage 742, the inclined passage 741 being positioned above the straight passage 742 and communicating with an interior of the straight passage 742, the inclined passage 741 facilitating the flow of the lubricating oil into the straight passage 742.

The cylinder 41 is provided with an oil filling hole 5 at a position above the bearing outer ring 1, and when an oil filling port of the oil filling passage 74 coincides with the oil filling hole 5, lubricating oil can be filled into the oil filling passage 74 through the oil filling hole 5.

Be equipped with elastic sealing pad 9 on the outer wall of cylinder 71 and elastic sealing pad 9's outer wall and the interior chamber wall sliding conflict of barrel 41, the upper end of cylinder 71 is equipped with plum blossom type recess 8, can strengthen the leakproofness between cylinder 71 and the barrel 41 through elastic sealing pad 9, places lubricating oil and reveals, is equipped with plum blossom type recess 8, and the accessible plum blossom plays and is convenient for rotate cylinder 71 with the cooperation of plum blossom type recess 8.

It should be noted that, the present invention is a needle roller bearing, when in use, the spring 44 is always in a stretching state, the cylinder 71 can be rotated by the quincunx, the cylinder 71 can rotate and descend by the threaded connection between the threaded post 72 and the cylinder 41, at this time, the cylinder 71 can drive the movable circular plate 42 to move downward, after the cylinder 71 rotates and moves an angle, the oil filling opening of the oil filling channel 74 coincides with the oil filling hole 5, the lubricating oil can be filled into the oil filling channel 74 through the oil filling hole 5, the lubricating oil enters the accommodating cavity 6 to contact with the needle roller 3 for lubricating, after the oil filling, the cylinder 71 is rotated reversely, so that the top of the cylinder 71 is abutted against the blocking edge arranged on the top of the cylinder 41, the cylinder 71 is stably fixed in the inner cavity of the cylinder 41 by the pulling force of the spring 44, the operation of the process is simple, the cylinder 71 does not need to be screwed down, and the, the service life of the bearing is prolonged, and the support column 10 plays a role in laterally supporting the needle roller 3.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention 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 (6)

1. The utility model provides a needle bearing, includes bearing inner race (1), its characterized in that: the bearing outer ring structure is characterized in that a protection frame (2) and a roller pin (3) are mounted on the protection frame (2) in a sealing mode in an inner cavity of the bearing outer ring (1), a containing cavity (6) is arranged between the protection frame (2) and the bearing outer ring (1), an oiling column (7) is mounted in the inner cavity of the oiling cylinder (4) and fixed to the upper end of the bearing outer ring (1), the oiling column (7) is movably connected with the oiling cylinder (4), and one end, close to the roller pin (3), of a plurality of groups of support columns (10) and a plurality of groups of support columns (10) which are uniformly arranged at equal intervals in the circumference and are arranged around the axis of the bearing outer ring (1) is arranged on the wall of the inner cavity of the bearing outer ring (1) in a.

2. A needle bearing as claimed in claim 1, wherein: oiling section of thick bamboo (4) are including barrel (41), the lower extreme of barrel (41) runs through the upper end of bearing inner race (1) and extends to and hold chamber (6) in, and the inner chamber bottom of barrel (41) is fixed with spring (44), the upper end and the removal plectane (42) fixed connection of spring (44), it is the symmetry to be equipped with slip joint piece (43) and two sets of slip joint piece (43) to remove about plectane (42) and keeps away from the one end that removes plectane (42) and is located the slip joint inslot that is equipped with on the lateral wall about barrel (41) respectively.

3. A needle bearing as claimed in claim 1, wherein: add oil column (7) and include cylinder (71), the lower extreme of cylinder (71) is fixed with inner chamber wall threaded connection of screw thread post (72) and barrel (41), the lower extreme of screw thread post (72) is fixed with rotates joint post (73) and rotates the lower extreme of joint post (73) and runs through the inner chamber bottom of removing plectane (42) and barrel (41) and extend to its below, rotate joint post (73) and remove plectane (42) and rotate the joint, the inner chamber of cylinder (71), screw thread post (72) and rotation joint post (73) is equipped with refuels passageway (74).

4. A needle bearing as claimed in claim 3, wherein: the oiling channel (74) comprises an inclined channel (741) and a straight channel (742), wherein the inclined channel (741) is located above the straight channel (742) and is communicated with the inner cavity of the straight channel (742).

5. A needle bearing as claimed in claim 2, wherein: and an oil filling hole (5) is formed in the part, above the bearing outer ring (1), of the cylinder body (41).

6. A needle bearing as claimed in claim 3, wherein: the outer wall of the cylinder (71) is provided with an elastic sealing gasket (9), the outer wall of the elastic sealing gasket (9) is in sliding contact with the inner cavity wall of the cylinder (41), and the upper end of the cylinder (71) is provided with a quincunx groove (8).

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