CN206958087U - A kind of unilateral solid matter needle bearing of biserial - Google Patents
A kind of unilateral solid matter needle bearing of biserial Download PDFInfo
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- CN206958087U CN206958087U CN201720844695.0U CN201720844695U CN206958087U CN 206958087 U CN206958087 U CN 206958087U CN 201720844695 U CN201720844695 U CN 201720844695U CN 206958087 U CN206958087 U CN 206958087U
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- ring
- needle roller
- outer ring
- solid matter
- needle
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Abstract
The utility model discloses a kind of unilateral solid matter needle bearing of biserial, including outer ring, the outer circumference surface for locking back-up ring is welded with angle block, and angle block is caught in the inwall of outer ring, the two sides of packing ring offer oil groove, and the outer circumference surface of packing ring and the inner periphery of outer ring are flexibly connected；The first needle roller is densely covered between oil groove and rib ring, the second needle roller is densely covered between oil groove and locking back-up ring.The unilateral solid matter needle bearing of this biserial, by the first needle roller solid matter on the inner peripheral surface of outer ring, and close to rib ring side, secondly adding packing ring coordinates the inner headed face of its excircle part and outer ring, the end face of the oil groove of washer face and the first needle roller coordinates, and thirdly loads another needle roller of row second, and finally locking back-up ring is caught in angle groove, second needle roller is fixed cooperation to stop the second needle roller axial float by locking back-up ring, have increase radial direction bearing load and it is easy for installation the advantages of.
Description
Technical field
Technical field of bearings is the utility model is related to, especially a kind of unilateral solid matter needle bearing of biserial.
Background technology
Requirement in actual use can bear the more and more of joint load bearing, but simultaneously to bearing intensity, installation
Space, installation are simple, noise requirements, life requirements, carrying etc. also have corresponding requirement.And existing bearing can only single-row needle roller
Installation, while install complex, cause the length of single needle roller larger, radial direction bearing load is smaller.
Utility model content
The purpose of this utility model is to provide a kind of biserial unilateral solid matter needle bearing, have increase radial direction bearing load and
The advantages of easy for installation, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of unilateral solid matter needle bearing of biserial, including
Outer ring, the outer circumference surface of the outer ring uniformly offer radial direction oil hole, and the side periphery of outer ring is fixedly welded with rib ring, outside
The inner peripheral surface of circle is provided with needle roller device；The needle roller device is made up of the first needle roller, the second needle roller, packing ring and locking back-up ring,
The outer circumference surface of locking back-up ring is welded with angle block, and angle block is caught in the inwall of outer ring, and the two sides of packing ring offer oil
Groove, the outer circumference surface of packing ring and the inner periphery of outer ring are flexibly connected；The first needle roller is densely covered between oil groove and the rib ring, oil
The second needle roller is densely covered between groove and locking back-up ring, the first needle roller and the second needle roller are symmetrical centered on locking back-up ring.
As further program of the utility model：The side port inner wall of the outer ring offers angle groove, angle groove
It is adapted with angle block.
As further program of the utility model：The packing ring is located at the middle part of outer ring, the external diameter of packing ring and outer ring
Internal diameter is identical.
As further program of the utility model：The inner chamber of the radial direction oil hole and outer ring communicates and the first needle roller and
Two needle rollers are covered in the bottom of radial direction oil hole.
Compared with prior art, the utility model beneficial effect：
The unilateral solid matter needle bearing of this biserial, the first needle roller and the second needle roller in a manner of arranged side by side among separated by packing ring, contract
The length of short single needle roller, increase radial direction bearing load, by the first needle roller solid matter on the inner peripheral surface of outer ring, and close to rib
Ring side, secondly adding packing ring coordinates the inner headed face of its excircle part and outer ring, the oil groove of washer face and the first needle roller
End face coordinates, and thirdly loads another needle roller of row second, finally locking back-up ring is caught in angle groove, locking back-up ring rolls second
Pin fixes cooperation to stop the second needle roller axial float, have increase radial direction bearing load and it is easy for installation the advantages of.
Brief description of the drawings
Fig. 1 is overall profile of the present utility model.
In figure：1- outer rings；11- radial direction oil holes；12- rib rings；2- needle roller devices；The needle rollers of 21- first；The needle rollers of 22- second；
23- packing rings；231- oil grooves；24- locks back-up ring；241 angle blocks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of unilateral solid matter needle bearing of biserial, including outer ring 1, outer ring 1
Outer circumference surface uniformly offers radial direction oil hole 11, and the side periphery of outer ring 1 is fixedly welded with rib ring 12, the inner circle of outer ring 1
Side face is provided with needle roller device 2；Needle roller device 2 is made up of the first needle roller 21, the second needle roller 22, packing ring 23 and locking back-up ring 24, is locked
The outer circumference surface of tight back-up ring 24 is welded with angle block 241, and angle block 241 is caught in the inwall of outer ring 1, a side ports of outer ring 1
Inwall offers angle groove, and angle groove is adapted with angle block 241, and angle block 241 is tapered, locks the angle block of back-up ring 24
241 form tight fit to stop the first needle roller 21 and the axial float of the second needle roller 22 with the angle groove of outer ring 1, serve as outer ring 1
The effect of rib, the two sides of packing ring 23 offer oil groove 231, the outer circumference surface of packing ring 23 and the inner periphery activity of outer ring 1
Connection, packing ring 23 are located at the middle part of outer ring 1, and the external diameter of packing ring 23 is identical with the internal diameter of outer ring 1；Oil groove 231 and rib ring 12 it
Between be densely covered with the first needle roller 21, be densely covered with the second needle roller 22, radial direction oil hole 11 and outer ring 1 between oil groove 231 and locking back-up ring 24
Inner chamber communicate and the first needle roller 21 and the second needle roller 22 are covered in the bottom of radial direction oil hole 11, radial direction oil hole 11 is single block border,
Back-up ring 24 and the tight fit of outer ring 1 are locked, the first needle roller 21 and the second needle roller 22 are symmetrical centered on locking back-up ring 24, and first
The needle roller 22 of needle roller 21 and second in a manner of arranged side by side among separated by packing ring 23, shorten the length of single needle roller 22, increase is radially
Bearing load, by the solid matter of the first needle roller 21 on the inner peripheral surface of outer ring 1, and close to the side of rib ring 12, secondly add packing ring
23 coordinate its excircle part and the inner headed face of outer ring 1, and the end face of the needle roller 21 of oil groove 231 and first of the end face of packing ring 23 coordinates,
Thirdly load another the second needle roller of row 22, finally locking back-up ring 24 is caught in angle groove, lock back-up ring 24 by the second needle roller
22 fix cooperation to stop the axial float of the second needle roller 22, have increase radial direction bearing load and it is easy for installation the advantages of.
In summary；The unilateral solid matter needle bearing of this biserial, the first needle roller 21 and the second needle roller 22 in a manner of arranged side by side among
Separated by packing ring 23, shorten the length of single needle roller 22, increase radial direction bearing load, by the solid matter of the first needle roller 21 in outer ring 1
On inner peripheral surface, and coordinate its excircle part and the inner headed face of outer ring 1 close to the side of rib ring 12, next addition packing ring 23,
The end face of the needle roller 21 of oil groove 231 and first of the end face of packing ring 23 coordinates, and thirdly loads another the second needle roller of row 22, finally will lock
Tight back-up ring 24 is caught in angle groove, and the second needle roller 22 is fixed cooperation to stop that the second needle roller 22 is axially altered by locking back-up ring 24
It is dynamic, have increase radial direction bearing load and it is easy for installation the advantages of.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. a kind of unilateral solid matter needle bearing of biserial, including outer ring (1), it is characterised in that：The outer circumference surface of the outer ring (1) is uniform
Radial direction oil hole (11) is offered, the side periphery of outer ring (1) is fixedly welded with rib ring (12), the inner peripheral surface of outer ring (1)
Provided with needle roller device (2)；The needle roller device (2) is by the first needle roller (21), the second needle roller (22), packing ring (23) and locking back-up ring
(24) form, the outer circumference surface of locking back-up ring (24) is welded with angle block (241), and angle block (241) is caught in the interior of outer ring (1)
Wall, the two sides of packing ring (23) offer oil groove (231), the outer circumference surface of packing ring (23) and the inner periphery activity of outer ring (1)
Connection；The first needle roller (21), oil groove (231) and locking back-up ring (24) are densely covered between the oil groove (231) and rib ring (12)
Between be densely covered with the second needle roller (22), the first needle roller (21) and the second needle roller (22) are symmetrically divided centered on locking back-up ring (24)
Cloth.
A kind of 2. unilateral solid matter needle bearing of biserial according to claim 1, it is characterised in that：The side of the outer ring (1)
Port inner wall offers angle groove, and angle groove is adapted with angle block (241).
A kind of 3. unilateral solid matter needle bearing of biserial according to claim 1, it is characterised in that：The packing ring (23) is positioned at outer
The middle part of (1) is enclosed, the external diameter of packing ring (23) is identical with the internal diameter of outer ring (1).
A kind of 4. unilateral solid matter needle bearing of biserial according to claim 1, it is characterised in that：The radial direction oil hole (11) and
The inner chamber of outer ring (1) communicates and the first needle roller (21) and the second needle roller (22) are covered in the bottoms of radial direction oil hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844695.0U CN206958087U (en) | 2017-07-12 | 2017-07-12 | A kind of unilateral solid matter needle bearing of biserial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844695.0U CN206958087U (en) | 2017-07-12 | 2017-07-12 | A kind of unilateral solid matter needle bearing of biserial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206958087U true CN206958087U (en) | 2018-02-02 |
Family
ID=61383504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720844695.0U Active CN206958087U (en) | 2017-07-12 | 2017-07-12 | A kind of unilateral solid matter needle bearing of biserial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206958087U (en) |
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2017
- 2017-07-12 CN CN201720844695.0U patent/CN206958087U/en active Active
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