CN206036039U - Sealed axle bush - Google Patents
Sealed axle bush Download PDFInfo
- Publication number
- CN206036039U CN206036039U CN201620987264.5U CN201620987264U CN206036039U CN 206036039 U CN206036039 U CN 206036039U CN 201620987264 U CN201620987264 U CN 201620987264U CN 206036039 U CN206036039 U CN 206036039U
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- China
- Prior art keywords
- sealing ring
- runner
- annular groove
- bearing shell
- annular
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a sealed axle bush, including the axle bush body, the sealed lantern ring, axle bush body and sealed lantern ring welded connection, axle bush body internal surface leaves has a plurality of trapezoidal recesses and a plurality of first annular groove, first annular grooved underside opens there is first runner, axle bush body terminal surface leaves there is the second runner, open on seal cover intra -annular surface has a plurality of second annular grooves and third annular groove, second annular grooved underside and metal spring's one end welded connection, metal spring's the other end and first sealing washer fixed connection, fixedly connected with second sealing washer in the third annular groove, open on seal cover intra -annular surface has the third runner, sealed lantern ring terminal surface is opened there is the fourth runner, sealed lantern ring surface is opened there is the circular thread hole, the downthehole bolt that is equipped with of circular thread, the cylindrical sealing rubber piece of the terminal fixedly connected with of bolt. The utility model discloses can improve the not enough of prior art, optimize the seal structure of axle bush, have multiple sealed effect and lubricating oil backward flow function.
Description
Technical field
This utility model is related to a kind of bearing shell, especially a kind of sealed bearing shell.
Background technology
Bearing shell is sliding bearing important component part.Rotating shaft is required between bearing shell and rotating shaft when bearing shell high speed operates
There is one layer of very thin oil film to play lubrication.If insufficient lubrication, there is between bearing shell and rotating shaft and directly rub, and due to
The high temperature that direct friction is produced be enough to burn out bearing shell.In order to ensure rotating shaft when bearing shell high speed operates, lubricating oil is not revealed
It is lost in, the sealing property for improving bearing shell is particularly important.204025340 U of Chinese utility model patent CN discloses one kind
Sealed bearing bush structure.The bearing shell sealing structure of this design is single, not with multi-sealed effect and lubricating oil backflow functionality.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of sealed bearing shell, can solve the problem that prior art not
Foot, optimizes the sealing structure of bearing shell, with multi-sealed effect, and has lubricating oil backflow functionality.
For solving above-mentioned technical problem, technical solution adopted in the utility model is as follows.
A kind of sealed bearing shell, including bearing shell body, sealing ring, the bearing shell body are welded to connect with sealing ring,
The inner surface of bearing shell body is provided with some trapezoidal grooves and some first annular grooves, and the bottom surface of trapezoidal groove is provided with some rectangles
Blind hole, the bottom surface of first annular groove are provided with the first flow perpendicular to first annular groove floor, and the end face of bearing shell body is opened
There is horizontally disposed second flow channel, first flow is interconnected with second flow channel, the inner surface of sealing ring is provided with some second
Annular groove and the 3rd annular groove, the bottom surface of the second annular groove are welded to connect with one end of metal spring, metal spring
The other end is fixedly connected with the first sealing ring, is fixedly connected with the second sealing ring, the interior table of sealing ring in the 3rd annular groove
Face is provided with the third flow channel perpendicular to sealing ring inner surface, and the end face of sealing ring is provided with horizontally disposed 4th runner, the
Three runners are interconnected with the 4th runner, and the 4th runner is docked with second flow channel, and the outer surface of sealing ring is provided with round thread
Hole, round thread hole are interconnected with the 4th runner, are provided with bolt in round thread hole, and bolt end is fixedly connected with cylinder
Caulking gum block.
Preferably, the inner surface of first sealing ring is provided with some triangular grooves.
Preferably, being fixedly connected with metal gauze inside the third flow channel.
Using the beneficial effect brought by above-mentioned technical proposal it is：If the inner surface of this utility model bearing shell body is provided with
Dry trapezoidal groove, the bottom surface of trapezoidal groove are provided with some rectangle blind holes, and trapezoidal groove can be made between bearing shell body and rotary shaft
Oil film is easily formed, strengthens lubricant effect, while the loss of lubricating oil can be prevented, rectangle blind hole can effectively increase oil storage
Space.The inner surface of bearing shell body is provided with some first annular grooves, and first annular groove can be carried out to the lubricating oil being lost in
Collect, prevent oil leakage.The inner surface of sealing ring is provided with some second annular grooves, the bottom surface of the second annular groove with
One end of metal spring is welded to connect, and the other end of metal spring is fixedly connected with the first sealing ring, and the first sealing ring can be right
Bearing shell body carries out sealing function.Metal spring effectively can eliminate due to rotary shaft at a high speed rotation and the vibration that produces to the
Impact produced by one sealing ring tightness energy.Further, the inner surface of the first sealing ring is provided with some triangular grooves, and three
Angular groove can realize the multi-sealed effect of the first sealing ring.The inner surface of sealing ring is provided with the 3rd annular groove, the
The second sealing ring is fixedly connected with three annular grooves, and the second sealing ring can effectively prevent the lubricating oil for preparing backflow from overflowing
And cause the leakage of lubricating oil to be lost in.The bottom surface of first annular groove is provided with perpendicular to the first-class of first annular groove floor
Road, the end face of bearing shell body are provided with horizontally disposed second flow channel, and first flow is interconnected with second flow channel, sealing ring
Inner surface is provided with the third flow channel perpendicular to sealing ring inner surface, and the end face of sealing ring is provided with horizontally disposed 4th stream
Road, third flow channel are interconnected with the 4th runner, and the 4th runner is docked with second flow channel, first flow, second flow channel, the 3rd stream
Road and the 4th runner constitute the return flow line of lubricating oil.Further, metal gauze is fixedly connected with inside third flow channel, gold
Category silk screen can play a role in filtering to the lubricating oil for flowing back, and prevent from causing the situation of tile kilning due to there is impurity in lubricating oil.
The outer surface of sealing ring is provided with round thread hole, and round thread hole is interconnected with the 4th runner, and round thread is provided with hole
Bolt, bolt end are fixedly connected with cylindrical seal block rubber.Cylindrical seal block rubber serves throttling sealing function, together
When can prevent the lubricating oil of bearing shell body internal surface from flowing out along first flow and second flow channel.When third flow channel and the 4th runner
The aperture of cylindrical seal block rubber when the lubricating oil of collection reaches a certain amount of, can be changed by regulating bolt, lubricating oil is made
Flowed back.
Description of the drawings
Fig. 1 is the structure chart of one specific embodiment of this utility model.
Fig. 2 is the structure chart of the first sealing ring inner surface in one specific embodiment of this utility model.
Fig. 3 is the structure chart of third flow channel in one specific embodiment of this utility model.
Fig. 4 is the structure chart of cylindrical seal block rubber in one specific embodiment of this utility model.
In figure：1st, bearing shell body；2nd, sealing ring；3rd, trapezoidal groove；4th, first annular groove；5th, rectangle blind hole；6th,
One runner；7th, second flow channel；8th, the second annular groove；9th, metal spring；10th, the first sealing ring；11st, the 3rd annular groove；12、
Triangular groove；13rd, the second sealing ring；14th, third flow channel；15th, the 4th runner；16th, metal gauze；17th, round thread hole；
18th, bolt；19th, cylindrical seal block rubber；20th, fourth annular groove.
Specific embodiment
The standardized element arrived used in this utility model can commercially, and shaped piece is according to description and attached
The record of figure can carry out it is customized, the concrete connected mode of each part using bolt ripe in prior art, rivet,
The conventional meanses such as welding, stickup, will not be described in detail herein.
Reference picture 1-4, one specific embodiment of this utility model include bearing shell body 1, sealing ring 2, the bearing shell
Body 1 is welded to connect with sealing ring 2, and the inner surface of bearing shell body 1 is provided with some trapezoidal grooves 3 and some first annular grooves
4, the bottom surface of trapezoidal groove 3 is provided with some rectangle blind holes 5, and the bottom surface of first annular groove 4 is provided with perpendicular to first annular groove 4
The first flow 6 of bottom surface, the end face of bearing shell body 1 are provided with horizontally disposed second flow channel 7, first flow 6 and 7 phase of second flow channel
Intercommunicated, the inner surface of sealing ring 2 is provided with some second annular grooves 8 and the 3rd annular groove 11, the second annular groove 8
Bottom surface is welded to connect with one end of metal spring 9, and the other end of metal spring 9 is fixedly connected with the first sealing ring 10, the 3rd ring
The second sealing ring 13 is fixedly connected with connected in star 11, the inner surface of sealing ring 2 is provided with perpendicular to 2 inner surface of sealing ring
Third flow channel 14, the end face of sealing ring 2 are provided with horizontally disposed 4th runner 15, and third flow channel 14 is mutual with the 4th runner 15
Connection, the 4th runner 15 are docked with second flow channel 7, and the outer surface of sealing ring 2 is provided with round thread hole 17, round thread hole 17
It is interconnected with the 4th runner 15, in round thread hole 17, is provided with bolt 18,18 end of bolt is fixedly connected with cylindrical seal
Block rubber 19.The inner surface of the present embodiment intermediate bushing body 1 is provided with some trapezoidal grooves 3, and the bottom surface of trapezoidal groove 3 is provided with some
Rectangle blind hole 5, trapezoidal groove 3 can make easily to form oil film between bearing shell body 1 and rotary shaft, strengthen lubricant effect, while
Can prevent the loss of lubricating oil, rectangle blind hole 5 from can effectively increase oil storage space.If the inner surface of bearing shell body 1 is provided with
Dry first annular groove 4, first annular groove 4 can be collected to the lubricating oil being lost in, and prevent oil leakage.Sealing shroud
The inner surface of ring 2 is provided with some second annular grooves 8, and the bottom surface of the second annular groove 8 is connected with one end welding of metal spring 9
Connect, the other end of metal spring 9 is fixedly connected with the first sealing ring 10, the first sealing ring 10 can be sealed to bearing shell body
Effect.Metal spring 9 can effectively eliminate the vibration produced as rotary shaft rotates at a high speed and the first sealing ring 10 is sealed
Impact produced by performance.Further, the inner surface of the first sealing ring 10 is provided with some triangular grooves 12, triangular groove
The 12 multi-sealed effects that can realize the first sealing ring 10.The inner surface of sealing ring 2 is provided with the 3rd annular groove 11, and the 3rd
The second sealing ring 13 is fixedly connected with annular groove 11, and the second sealing ring 13 effectively can prevent from preparing the lubricating oil of backflow
Overflow and cause the leakage of lubricating oil to be lost in.The bottom surface of first annular groove 4 is provided with perpendicular to 4 bottom surface of first annular groove
One runner 6, the end face of bearing shell body 1 are provided with horizontally disposed second flow channel 7, and first flow 6 is interconnected with second flow channel 7,
The inner surface of sealing ring 2 is provided with the third flow channel 14 perpendicular to 2 inner surface of sealing ring, and the end face of sealing ring 2 is provided with water
Flat the 4th runner 15 for arranging, third flow channel 14 are interconnected with the 4th runner 15, and the 4th runner 15 is docked with second flow channel 7,
First flow 6, second flow channel 7, third flow channel 14 and the 4th runner 15 constitute the return flow line of lubricating oil.Further,
Metal gauze 16 is fixedly connected with inside three runners 14, and metal gauze 16 can play a role in filtering to the lubricating oil for flowing back, prevent
The situation of tile kilning is caused due to there is impurity in lubricating oil only.The outer surface of sealing ring 2 is provided with round thread hole 17, circular spiral shell
Pit 17 is interconnected with the 4th runner 15, is provided with bolt 18 in round thread hole 17, and 18 end of bolt is fixedly connected with cylinder
Shape caulking gum block 19.Cylindrical seal block rubber 19 serves throttling sealing function, while table in bearing shell body 1 can be prevented
The lubricating oil in face is flowed out along first flow 6 and second flow channel 7.When the lubricating oil that third flow channel 14 and the 4th runner 15 are collected reaches
The aperture of cylindrical seal block rubber 19 when a certain amount of, can be changed by regulating bolt 18, make lubricating oil be flowed back.
In addition, the side wall of cylindrical seal block rubber 19 is provided with some fourth annular grooves 20 in the present embodiment.Due to
When regulating bolt 18 changes the aperture of cylindrical seal block rubber 19, cylindrical seal block rubber 19 can be moved up and down, and the 4th
Annular groove 20 can effectively avoid cylindrical seal block rubber 19 during moving up and down, and lubricating oil is close along cylinder
19 side wall of envelope block rubber is revealed and is lost in.Meanwhile, fourth annular groove 20 can also be in throttling in cylindrical seal block rubber 19
During state, sealing function is played.
The devices such as metal spring wherein, used in this utility model, bolt and metal gauze belong to ripe existing skill
Art, will not be described in detail herein its concrete structure.
In description of the present utility model, it is to be understood that term " longitudinal direction ", " horizontal ", " on ", D score, " front ",
" afterwards ", the orientation of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship be based on
Orientation shown in the drawings or position relationship, are for only for ease of description this utility model, rather than indicate or imply the dress of indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model
Restriction.
Ultimate principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Simply illustrate principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed this utility model.This utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (3)
1. a kind of sealed bearing shell, including bearing shell body（1）, sealing ring（2）, it is characterised in that：The bearing shell body（1）With
Sealing ring（2）It is welded to connect, bearing shell body（1）Inner surface be provided with some trapezoidal grooves（3）With some first annular grooves
（4）, trapezoidal groove（3）Bottom surface be provided with some rectangle blind holes（5）, first annular groove（4）Bottom surface be provided with perpendicular to first
Annular groove（4）The first flow of bottom surface（6）, bearing shell body（1）End face be provided with horizontally disposed second flow channel（7）, first
Runner（6）With second flow channel（7）It is interconnected, sealing ring（2）Inner surface be provided with some second annular grooves（8）With the 3rd
Annular groove（11）, the second annular groove（8）Bottom surface and metal spring（9）One end be welded to connect, metal spring（9）It is another
One end and the first sealing ring（10）It is fixedly connected, the 3rd annular groove（11）Second sealing ring is fixedly connected with inside（13）, sealing
The collar（2）Inner surface be provided with perpendicular to sealing ring（2）The third flow channel of inner surface（14）, sealing ring（2）End face open
There is horizontally disposed 4th runner（15）, third flow channel（14）With the 4th runner（15）It is interconnected, the 4th runner（15）With
Two runners（7）Docking, sealing ring（2）Outer surface be provided with round thread hole（17）, round thread hole（17）With the 4th runner
（15）It is interconnected, round thread hole（17）Bolt is provided with inside（18）, bolt（18）End is fixedly connected with cylindrical seal rubber
Blob of viscose（19）.
2. sealed bearing shell according to claim 1, it is characterised in that：First sealing ring（10）Inner surface be provided with
Some triangular grooves（12）.
3. sealed bearing shell according to claim 1, it is characterised in that：The third flow channel（14）Inside is fixedly connected with
Metal gauze（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620987264.5U CN206036039U (en) | 2016-08-30 | 2016-08-30 | Sealed axle bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620987264.5U CN206036039U (en) | 2016-08-30 | 2016-08-30 | Sealed axle bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206036039U true CN206036039U (en) | 2017-03-22 |
Family
ID=58304221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620987264.5U Active CN206036039U (en) | 2016-08-30 | 2016-08-30 | Sealed axle bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206036039U (en) |
-
2016
- 2016-08-30 CN CN201620987264.5U patent/CN206036039U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |