CN209838948U

CN209838948U - Needle roller bearing

Info

Publication number: CN209838948U
Application number: CN201920541225.6U
Authority: CN
Inventors: 韦勇; 叶树息
Original assignee: CHANGZHOU DAYANG BEARING MANUFACTURING Co Ltd
Current assignee: CHANGZHOU DAYANG BEARING MANUFACTURING Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2019-12-24
Anticipated expiration: 2029-04-19

Abstract

The utility model relates to a needle bearing, it includes bearing frame and needle bearing, and needle bearing includes inner circle, outer lane and a plurality of kingpin, and the kingpin roll connection is between inner circle and outer lane, and the outer lane card is established in the bearing frame, the bearing frame top is provided with the oil filler point, and the oil filler point is connected to the outer lane, has seted up on the outer lane outer wall and has drawn the oil duct, draws the oil duct and encircles outer lane a week, draws the oil duct to be connected with branch oil duct, divides oil duct one end and draws the oil duct intercommunication, and the other end is connected to outer lane end department, reaches the effect that improves the.

Description

Needle roller bearing

Technical Field

The utility model belongs to the technical field of bearing's technique and specifically relates to a bearing is related to.

Background

The bearing is a component commonly used in mechanical transmission, and the main function is to reduce the friction coefficient in the movement process during the rotation process of the mechanical component. The types of bearings include sliding bearings, rolling bearings, deep groove ball bearings, angular contact ball bearings, thrust ball bearings, bidirectional thrust angular contact ball bearings, and needle roller bearings.

The needle bearing is usually suitable for a supporting structure with limited radial installation size, and generally comprises an outer ring and an inner ring, wherein the outer ring and the inner ring are coaxially arranged, the size of the outer ring is larger than that of the inner ring, a plurality of slender needle rollers are connected between the outer ring and the inner ring in a rolling way, and the needle rollers are uniformly arranged in an annular shape; in the using process of the needle bearing, the needle bearing is usually matched with a bearing seat, an outer ring of the needle bearing is fixedly connected with the bearing seat, a mechanical structure is fixedly connected with the inner wall of an inner ring, and then lubricating oil is dripped into the needle roller, so that the friction force in the bearing is further reduced on one hand, and the friction loss of the needle roller in the using process can be reduced on the other hand; when the mechanical structure rotates, each roller pin rotates and rolls to reduce the friction coefficient of the mechanical structure in the rotating process, and the smooth operation degree of the mechanical structure is improved.

The above prior art solutions have the following drawbacks: because place in the bearing frame when bearing uses, the bearing frame carries out the closing cap to the kingpin, leads to the workman to adding lubricating oil to bearing comparatively difficult, has caused inconvenience to the use of bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bearing reaches the effect that improves the convenience of operation when carrying out kingpin interpolation lubricating oil.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

content of the first master right: the utility model provides a needle bearing, includes bearing frame and needle bearing, and needle bearing includes inner circle, outer lane and a plurality of kingpin, and the kingpin roll connection is between inner circle and outer lane, and the outer lane card is established in the bearing frame, the bearing frame top is provided with the oil filler point, and the oil filler point is connected to the outer lane, has seted up on the outer lane outer wall and has drawn the oil duct, draws the oil duct and encircles outer lane a week, draws the oil duct to be connected with and divides the oil duct, divides oil duct one end and draws the oil duct intercommunication.

By adopting the technical scheme, when a worker needs to add lubricating oil to the needle bearing in the use process of the needle bearing, the worker directly adds the lubricating oil to the oil injection hole of the bearing seat, the lubricating oil flows into the oil guide passage through the oil injection hole, then the set oil distribution passage flows the end of the outer ring of the lubricating oil when the lubricating oil flows in the oil guide passage, and after the lubricating oil flows to the end of the outer ring, part of the lubricating oil flows to the inner wall of the outer ring along the end of the outer ring to be contacted with the needle roller, so that the effect of adding the lubricating oil is achieved; part lubricating oil falls on pivoted machinery to at the rotation in-process of machinery, progressively with the contact of kingpin, thereby reach the result of use of interpolation lubricating oil, easy operation, convenient to use, thereby reduced the effect that hinders of bearing frame to lubricating oil interpolation, improved the simple operation nature when lubricating oil adds, reach the effect that improves the convenience of operation when carrying out kingpin interpolation lubricating oil.

The utility model discloses further set up to: the oil distribution channels are provided with a plurality of oil distribution channels which are evenly arrayed along the outer contour of the outer ring.

Through adopting above-mentioned technical scheme, the lubricating oil that a plurality of branch oil ducts that set up can carry out more comprehensive guide to dividing in the oil duct, makes lubricating oil have a plurality of flow paths, has improved the even degree when lubricating oil adds.

The utility model discloses further set up to: the groove depth of each oil distribution channel is gradually deepened from one end close to the oil guide channel to one end close to the end head of the bearing.

By adopting the technical scheme, the gradually deepened oil dividing channel can guide the lubricating oil flowing into the oil dividing channel, so that the lubricating oil in the oil dividing channel can flow towards the direction far away from the oil guiding channel quickly, the flowing speed of the lubricating oil in the oil dividing channel is improved, and the working efficiency of the oil dividing channel is improved.

The utility model discloses further set up to: an oil inlet channel is formed in the end head of the outer ring, one end of the oil inlet channel is communicated with the oil distributing channel, and the other end of the oil inlet channel is connected to the inner wall of the outer ring.

Through adopting above-mentioned technical scheme, the oil feed way that sets up can carry out further guide to lubricating oil to make lubricating oil can be along the quick inner wall to the outer lane that flows of oil feed way, save the process that lubricating oil does not have the purpose and flow, improved the availability factor of lubricating oil.

The utility model discloses further set up to: the oil inlet channel is positioned inside the outer ring.

By adopting the technical scheme, the oil inlet channel is positioned in the outer ring, and then forms the groove body with only the open end, so that the condition that oil stains appear on clothes of workers due to the fact that the workers touch lubricating oil at the end of the outer ring can be prevented, and the use convenience of the oil inlet channel is improved.

The utility model discloses further set up to: an oil equalizing channel is formed in the inner wall of the outer ring and is annularly arranged, the axis of the oil equalizing channel is collinear with the axis of the oil guide channel, and the oil inlet channel is communicated with the oil equalizing channel.

By adopting the technical scheme, the arranged oil equalizing channel can converge the lubricating oil flowing to the inner wall of the outer ring, so that the lubricating oil can uniformly flow through all the roller pins on one hand, and the uniformity of the lubricating oil is improved; on the other hand, the lubricating oil can be stored and stored for the excessive lubricating oil on the needle roller.

The utility model discloses further set up to: and the oil equalizing channel is internally provided with oil storage bars which fill the oil equalizing channel.

Through adopting above-mentioned technical scheme, the oil storage strip that sets up can absorb and lock lubricating oil, prevents that lubricating oil from appearing the phenomenon of running off in the oil-sharing way, stability when further improvement the storage of lubricating oil.

The utility model discloses further set up to: the oil storage strip is made of sponge materials.

Through adopting above-mentioned technical scheme, the sponge material has loose porous characteristic to can absorb lubricating oil to inside and keep in, secondly, after kingpin and deposit the contact of oil strip, supply to kingpin department that lubricating oil in the deposit oil strip can be slow, improved the availability factor of lubricating oil.

To sum up, the utility model discloses a beneficial technological effect does:

1. the matched use of the set oil guide channel and the oil distribution channel achieves the effect of improving the convenience of operation when the lubricating oil is added to the rolling needles;

2. the cooperation of the equal oil duct of seting up and deposit the oil strip uses the further effect that improves the convenience of operation when carrying out the kingpin and adding lubricating oil.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the needle bearing.

Fig. 3 is a schematic sectional view of the needle bearing.

In the figure, 1, a bearing seat; 11. an oil filler hole; 2. a needle bearing; 21. an outer ring; 22. an inner ring; 23. rolling needles; 3. an oil guide passage; 4. an oil distributing channel; 5. an oil inlet channel; 6. an oil equalizing channel; 61. and (4) storing the deep-fried dough sticks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the needle bearing disclosed by the present invention comprises a bearing seat 1, a circular needle bearing 2 is clamped in the bearing seat 1, the needle bearing 2 comprises an outer ring 21 for abutting against the bearing seat 1, and the outer ring 21 is fixedly connected with the bearing seat 1; the inner ring 22 is rotatably connected inside the outer ring 21, the inner ring 22 and the outer ring 21 are both circular and have collinear axes, a plurality of cylindrical roller pins 23 are arranged between the outer ring 21 and the inner ring 22, the axis of each roller pin 23 is parallel to the axis of the inner ring 22, a plurality of rotating grooves are formed in the inner ring 22, and the roller pins 23 are connected to the inner wall of the inner ring 22 through the rotating grooves; a circular oil filling hole 11 is formed in the top end of the bearing seat 1, the oil filling hole 11 is connected to the outer wall of the outer ring 21, a worker injects lubricating oil to the outer wall of the outer ring 21 through the oil filling hole 11, and the lubricating oil flows between the outer ring 21 and the inner ring 22 along the outer ring 21 to lubricate the roller pin 23.

Referring to fig. 2 and 3, an annular oil guide channel 3 is formed in the outer wall of an outer ring 21, the axis of the oil guide channel 3 is collinear with the axis of the outer ring 21, two sides of the oil guide channel 3 are communicated with a plurality of strip-shaped oil distribution channels 4, the oil distribution channels 4 are parallel to each other, one end of each oil distribution channel 4 is communicated with the oil guide channel 3, the other end of each oil distribution channel is connected to the end close to the outer ring 21, the depth of each oil distribution channel 4 is gradually increased in the direction far away from the oil guide channel 3, the end, far away from the oil guide channel 3, of each oil distribution channel 4 is provided with an oil inlet channel 5 facing an inner ring 22, the oil inlet channel 5 is located inside the outer ring 21, one end of the oil inlet channel 5 is communicated with the oil guide channel 3, the other end of the outer ring 21 is connected to the inner wall of the outer ring 21, an; the axis of the oil equalizing channel 6 is parallel to the axis of the oil guiding groove, the width of the oil equalizing channel 6 is larger than the width of the oil guiding channel 3, the oil guiding channel 3 is filled with oil storage bars 61 made of sponge materials, and the oil storage bars 61 are abutted to the plurality of roller pins 23.

The implementation principle of the embodiment is as follows: when a worker performs the process of adding the lubricating oil, the lubricating oil is first extracted through a needle tube or the like, and after the extraction is completed, the lubricating oil is injected into the outer wall of the outer ring 21 through the oil injection hole 11.

After the lubricating oil is contacted with the outer wall of the outer ring 21, the lubricating oil enters the oil guide channel 3, the lubricating oil can flow along the oil guide channel 3 because the oil guide channel 3 is of an annular structure, meanwhile, the oil distribution channel 4 is communicated with the oil guide channel 3, and the depth of the oil distribution channel 4 is gradually increased in the direction far away from the oil guide channel 3, so that the lubricating oil can be guided, after the oil distribution channel 4 is fully filled with the lubricating oil, the lubricating oil is injected into the oil equalizing channel 6 through the oil inlet channel 5, the oil storage bars 61 are soaked, and the oil storage bars 61 are made of sponge materials and are abutted to each needle roller 23; when the roller pins 23 are used, a rotating movement process occurs, so that the lubricating oil is coated on the outer sides of the roller pins 23, and the lubricating oil adding step is completed. In conclusion, the above steps have the effect of improving the convenience of the operation when the lubricating oil is added to the needle roller 23.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a needle bearing, includes bearing frame (1) and needle bearing (2), and needle bearing (2) include inner circle (22), outer lane (21) and a plurality of kingpin (23), and kingpin (23) roll connection is between inner circle (22) and outer lane (21), and outer lane (21) card is established in bearing frame (1), its characterized in that: bearing frame (1) top is provided with oil filler point (11), and oil filler point (11) are connected to outer lane (21), have seted up on outer lane (21) outer wall and have drawn oil duct (3), draw oil duct (3) around outer lane (21) a week, draw oil duct (3) to be connected with branch oil duct (4), divide oil duct (4) one end and draw oil duct (3) intercommunication, the other end is connected to outer lane (21) end department.

2. A needle bearing as claimed in claim 1, wherein: the oil distribution channels (4) are provided with a plurality of oil distribution channels, and the oil distribution channels (4) are evenly arrayed along the outer contour of the outer ring (21).

3. A needle bearing as claimed in claim 1, wherein: the groove depth of each oil distribution channel (4) is gradually deepened from one end close to the oil guide channel (3) to one end close to the end head of the bearing.

4. A needle bearing as claimed in claim 3, wherein: an oil inlet channel (5) is formed in the end of the outer ring (21), one end of the oil inlet channel (5) is communicated with the oil distribution channel (4), and the other end of the oil inlet channel is connected to the inner wall of the outer ring (21).

5. The needle roller bearing of claim 4, wherein: the oil inlet channel (5) is positioned inside the outer ring (21).

6. A needle bearing as claimed in claim 5, wherein: the oil-distributing channel is characterized in that an oil-distributing channel (6) is formed in the inner wall of the outer ring (21), the oil-distributing channel (6) is annularly arranged, the axis of the oil-distributing channel (6) is collinear with the axis of the oil-guiding channel (3), and the oil inlet channel (5) is communicated with the oil-distributing channel (6).

7. A needle bearing as claimed in claim 6, wherein: and the oil equalizing channel (6) is internally provided with an oil storage bar (61), and the oil storage bar (61) fills the oil equalizing channel (6).

8. A needle bearing as claimed in claim 7, wherein: the oil storage strip (61) is made of sponge materials and is used as the oil storage strip (61).