CN206290715U - For the axle sealing structure of automobile - Google Patents
For the axle sealing structure of automobile Download PDFInfo
- Publication number
- CN206290715U CN206290715U CN201621412421.6U CN201621412421U CN206290715U CN 206290715 U CN206290715 U CN 206290715U CN 201621412421 U CN201621412421 U CN 201621412421U CN 206290715 U CN206290715 U CN 206290715U
- Authority
- CN
- China
- Prior art keywords
- sealing drum
- spring
- sealing
- fixing bolt
- rotating shaft
- Prior art date
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of axle sealing structure for automobile, including rotating shaft, left sealing drum, right sealing drum, middle sealing drum, sealing drum, the first spring, second spring, the 3rd spring, the 4th spring, the first fixing bolt, the second fixing bolt and nut.The utility model ensure that between rotating shaft both sides sealing cylinder and rotating shaft possess identical sealing force, it is to avoid sealing drum is worn due to rotating shaft bounce.Nut is used to avoid middle sealing drum from occurring to slide on a large scale.First spring, second spring, the 3rd spring and the 4th spring are used to absorb the partially radially power produced when rotating shaft is beated, and further improve the service life of sealing drum.3rd spring and the 4th spring can also serve locking to nut.The inner surface of sealing drum opens up annular groove, for providing compression surplus when sealing drum is by with compression, it is to avoid sealing drum pressure-rupturable.
Description
Technical field
The utility model is related to a kind of axle sealing structure for automobile.
Background technology
Traditional axle sealing structure, sets filler between sealing drum and rotating shaft, is then extended using the pressing plate of left and right two
Into between sealing drum and rotating shaft, filler is compressed, filler is close to rotating shaft, between eliminating between filler and rotating shaft
Gap, so as to reach the purpose of sealing.In traditional axle sealing structure, it is fixedly connected between two pressing plates of sealing drum and left and right, this
Cause when rotating shaft occurs circular runout, the filler that rotating shaft can will be located at its side compresses, and the filler of rotating shaft opposite side can become
It is lax, so that filler is easily worn, and then cause seal failure.
Utility model content
The purpose of this utility model is the above mentioned problem for overcoming prior art, there is provided a kind of sealing knot for automobile
Structure.
The purpose of this utility model is achieved through the following technical solutions：
For the axle sealing structure of automobile, including rotating shaft, left sealing drum, right sealing drum, middle sealing drum, sealing drum, first
Spring, second spring, the 3rd spring, the 4th spring, the first fixing bolt, the second fixing bolt and nut；
The middle sealing sleeve is located in the rotating shaft, the sealing for possessing ring-type between the middle sealing drum and the rotating shaft
Space；The left sealing drum and right sealing drum are set in the rotating shaft, and the left sealing drum and right sealing drum are located at respectively
The middle sealing drum left side and right side；One end of the left sealing drum and the right sealing drum extends into the sealing space
It is interior；The sealing sleeve is located in the rotating shaft and in the sealing space；The inner surface of the sealing drum offers many
Individual annular groove；
First fixing bolt is connected through the middle sealing drum with the left sealing drum in radial directions；Described
One fixing bolt is slidably engaged with the middle sealing drum；First spring is set on first fixing bolt, institute
The first spring is stated to be located between the middle sealing drum and the left sealing drum；Second fixing bolt runs through in radial directions
The middle sealing drum is connected with the right sealing drum；Second fixing bolt is slidably engaged with the middle sealing drum；Institute
State second spring to be set on second fixing bolt, the second spring is located at the middle sealing drum and the right sealing drum
Between；The nut is connected with first fixing bolt and second fixing bolt away from one end of the rotating shaft；
3rd spring is set on first fixing bolt, the 3rd spring be located at the nut with it is described in
Between sealing drum；4th spring is set on second fixing bolt, and the 4th spring is located at the nut and institute
State between sealing drum.
Operation principle of the present utility model is as follows：
When rotating shaft is beated, rotating shaft applies bigger power to the sealing drum of its side, and now, sealing drum conducts power
To middle sealing drum, middle sealing drum overcomes the elastic force of the first spring and second spring in the micro cunning of generation in the radial direction of rotating shaft
It is dynamic.In this way, the sealing drum compressed by rotating shaft will obtain bigger space, so as to will not be overly compressed.While rotating shaft opposite side
Sealing drum compressed so that ensure rotating shaft both sides sealing cylinder and rotating shaft between possess identical sealing force, it is to avoid sealing drum by
It is worn in rotating shaft bounce.Nut is used to avoid middle sealing drum from occurring to slide on a large scale.First spring, second spring, the 3rd bullet
Spring and the 4th spring are used to absorb the partially radially power produced when rotating shaft is beated, and further improve the service life of sealing drum.The
Three springs and the 4th spring can also serve locking to nut.The inner surface of sealing drum opens up annular groove, for close
Compression surplus is provided when sealed tube is by with compression, it is to avoid sealing drum pressure-rupturable.
Further, the inner surface setting of the middle sealing drum has multiple annular grooves extended around the shaft axis.
Annular groove is set, and sealing drum is embedded in annular groove under pressure, increases the inner surface of sealing drum and middle sealing drum
Between sealing property.
Further, one end end face that the left sealing drum extends into the sealing space is the arc surface of protrusion；
One end end face that the right sealing drum extends into the sealing space is the arc surface of protrusion.
Left sealing drum and right sealing drum are provided with arc surface, do not have wedge angle, it is to avoid left sealing drum and right sealing drum end point
Sealing drum is caused to rupture in angle.
Further, the two ends of first fixing bolt are thread segment, the middle position of first fixing bolt be with
The smooth section that the middle sealing drum is slidably engaged；
The two ends of second fixing bolt are thread segment, and the middle position of second fixing bolt is and the middle sealing
The smooth section that cylinder is slidably engaged.
First fixing bolt and the second fixing bolt are provided with the shiny surface slidably engaged with middle sealing drum, close in making
The slip of sealed tube is more smooth, reacts sensitiveer.
The utility model has the advantages that：
1. when rotating shaft is beated, rotating shaft applies bigger power to the sealing drum of its side, and now, sealing drum passes power
Middle sealing drum is directed at, middle sealing drum overcomes the elastic force of the first spring and second spring micro in the generation in the radial direction of rotating shaft
Slide.In this way, the sealing drum compressed by rotating shaft will obtain bigger space, so as to will not be overly compressed.Rotating shaft simultaneously is another
The sealing drum of side is compressed, so as to ensure possess identical sealing force between rotating shaft both sides sealing cylinder and rotating shaft, it is to avoid sealing drum
Because rotating shaft bounce is worn.Nut is used to avoid middle sealing drum from occurring to slide on a large scale.First spring, second spring, the 3rd
Spring and the 4th spring are used to absorb the partially radially power produced when rotating shaft is beated, and further improve the service life of sealing drum.
3rd spring and the 4th spring can also serve locking to nut.The inner surface of sealing drum opens up annular groove, for
Compression surplus is provided when sealing drum is by with compression, it is to avoid sealing drum pressure-rupturable.
2. annular groove is set, and sealing drum is embedded in annular groove under pressure, increases the interior table of sealing drum and middle sealing drum
Sealing property between face.
3. left sealing drum and right sealing drum are provided with arc surface, do not have wedge angle, it is to avoid left sealing drum and right sealing drum end
Wedge angle causes sealing drum to rupture.
4. the first fixing bolt and the second fixing bolt are provided with the shiny surface slidably engaged with middle sealing drum, in making
The slip of sealing drum is more smooth, reacts sensitiveer.
Brief description of the drawings
In order to illustrate more clearly of embodiment of the present utility model, below will be to needed for description the utility model embodiment
The accompanying drawing to be used is briefly described.It will be apparent that drawings in the following description are only described in the utility model
Some embodiments, for a person skilled in the art, without creative efforts, can also be according to following
Accompanying drawing, obtain other accompanying drawings.
Fig. 1 be the utility model embodiment in for automobile axle sealing structure schematic diagram；
Wherein, the corresponding parts title of reference is as follows：
10- rotating shafts, the left sealing drums of 20-, the right sealing drums of 30-, sealing drum in 40-, 41- annular grooves, 50- sealing drums, 51- rings
Connected in star, the springs of 61- first, 62- second springs, the springs of 63- the 3rd, the springs of 64- the 4th, the fixing bolts of 71- first, 72-
Two fixing bolts, 80- nuts.
Specific embodiment
In order that those skilled in the art more fully understands the utility model, below in conjunction with the utility model embodiment
In accompanying drawing clear, complete description is carried out to the technical scheme in the utility model embodiment.It will be apparent that described below
Embodiment be only a part in the utility model embodiment, rather than whole.Based on the implementation that the utility model is recorded
Example, other all embodiments that those skilled in the art obtain without creative efforts are new in this practicality
In the range of type protection.
Embodiment 1
As shown in figure 1, for the axle sealing structure of automobile, including rotating shaft 10, left sealing drum 20, right sealing drum 30, in it is close
Sealed tube 40, sealing drum 50, the first spring 61, second spring 62, the 3rd spring 63, the 4th spring 64, the first fixing bolt 71,
Two fixing bolts 72 and nut 80；
The middle sealing drum 40 is set in the rotating shaft 10, possesses ring between the middle sealing drum 40 and the rotating shaft 10
The sealing space of shape；The left sealing drum 20 and right sealing drum 30 are set in the rotating shaft 10, the He of left sealing drum 20
Right sealing drum 30 is located at the left side of the middle sealing drum 40 and right side respectively；The one of the left sealing drum 20 and the right sealing drum 30
End is extended into the sealing space；The sealing drum 50 is set in the rotating shaft 10 and positioned at the sealing space
It is interior；The inner surface of the sealing drum 50 offers multiple annular grooves 51；
First fixing bolt 71 is connected through the middle sealing drum 40 with the left sealing drum 20 in radial directions；
First fixing bolt 71 is slidably engaged with the middle sealing drum 40；First spring 61 is set in described first and consolidates
Determine on bolt 71, first spring 61 is located between the middle sealing drum 40 and the left sealing drum 20；Described second fixes
Bolt 72 is connected through the middle sealing drum 40 with the right sealing drum 30 in radial directions；Second fixing bolt 72 with
The middle sealing drum 40 is slidably engaged；The second spring 62 is set on second fixing bolt 72, and described second
Spring 62 is located between the middle sealing drum 40 and the right sealing drum 30；The nut 80 and first fixing bolt 71 and
Second fixing bolt 72 is connected away from one end of the rotating shaft 10；
3rd spring 63 is set on first fixing bolt 71, and the 3rd spring 63 is located at the nut 80
Between the middle sealing drum 40；4th spring 64 is set on second fixing bolt 72, the 4th spring 64
Between the nut 80 and the middle sealing drum 40.
Operation principle of the present utility model is as follows：
When rotating shaft 10 is beated, rotating shaft 10 applies bigger power to the sealing drum 50 of its side, now, sealing drum 50
Power is conducted to middle sealing drum 40, middle sealing drum 40 overcomes the elastic force of the first spring 61 and second spring 62 in the footpath of rotating shaft 10
To producing micro slip on direction.In this way, the sealing drum 50 compressed by rotating shaft 10 will obtain bigger space, so that will not be by mistake
Degree compression.The sealing drum 50 of the opposite side of rotating shaft 10 is compressed simultaneously, so as to ensure between the both sides sealing of rotating shaft 10 cylinder and rotating shaft 10
Possesses identical sealing force, it is to avoid sealing drum 50 is worn due to the bounce of rotating shaft 10.Nut 80 is used to avoid middle sealing drum 40 from sending out
Life is slided on a large scale.When first spring 71, second spring 72, the 3rd spring 73 and the 4th spring 74 are used to absorb the bounce of rotating shaft 10
The partially radially power for producing, further improves the service life of sealing drum 50.3rd spring 73 and the 4th spring 74 can also be right
Nut 80 serves locking.The inner surface of sealing drum 50 opens up annular groove 51, for being carried when sealing drum 50 is by with compression
Voltage supply contracting surplus, it is to avoid the pressure-rupturable of sealing drum 50.
Embodiment 2：
As shown in figure 1, the present embodiment is on the basis of embodiment 1, the inner surface setting of the middle sealing drum 40 has multiple
Around the annular groove 41 that the axis of the rotating shaft 10 extends.
Annular groove 41 is set, and sealing drum 50 is embedded in annular groove 41 under pressure, increases sealing drum 50 and middle sealing drum
Sealing property between 40 inner surface.
Embodiment 3：
As shown in figure 1, the present embodiment is on the basis of embodiment 1 or 2, the left sealing drum 20 extends into the sealing
One end end face in space is the arc surface of protrusion；
One end end face that the right sealing drum 30 extends into the sealing space is the arc surface of protrusion.
Left sealing drum 20 and right sealing drum 30 are provided with arc surface, do not have wedge angle, it is to avoid left sealing drum 20 and right sealing drum
30 end wedge angles cause sealing drum 50 to rupture.
Embodiment 4：
As shown in figure 1, the present embodiment is on the basis of embodiment 1,2 or 3, the two ends of first fixing bolt 71 are spiral shell
Line section, the middle position of first fixing bolt 71 is the smooth section slidably engaged with the middle sealing drum 40；
The two ends of second fixing bolt 72 are thread segment, the middle position of second fixing bolt 72 be with it is described in
The smooth section that sealing drum 40 is slidably engaged.
First fixing bolt 71 and the second fixing bolt 72 are provided with the shiny surface slidably engaged with middle sealing drum 40,
Make the slip of middle sealing drum 40 more smooth, react sensitiveer.
Above content is to combine the further description that specific preferred embodiment is made to the utility model, it is impossible to recognized
Fixed specific embodiment of the present utility model is confined to these explanations.For the common skill of the utility model art
For art personnel, the other embodiment drawn in the case where the technical solution of the utility model is not departed from should be included in this practicality
In new protection domain.
Claims (4)
1. the axle sealing structure of automobile is used for, it is characterised in that：Including rotating shaft（10）, left sealing drum（20）, right sealing drum（30）、
Middle sealing drum（40）, sealing drum（50）, the first spring（61）, second spring（62）, the 3rd spring（63）, the 4th spring（64）、
First fixing bolt（71）, the second fixing bolt（72）And nut（80）；
The middle sealing drum（40）It is set in the rotating shaft（10）On, the middle sealing drum（40）With the rotating shaft（10）Between have
The sealing space of standby ring-type；The left sealing drum（20）With right sealing drum（30）It is set in the rotating shaft（10）On, the left side
Sealing drum（20）With right sealing drum（30）The middle sealing drum is located at respectively（40）Left side and right side；The left sealing drum（20）With
The right sealing drum（30）One end extend into the sealing space；The sealing drum（50）It is set in the rotating shaft
（10）Above and in the sealing space；The sealing drum（50）Inner surface offer multiple annular grooves（51）；
First fixing bolt（71）Run through the middle sealing drum in radial directions（40）With the left sealing drum（20）Even
Connect；First fixing bolt（71）With the middle sealing drum（40）Slidably engage；First spring（61）It is set in
First fixing bolt（71）On, first spring（61）Positioned at the middle sealing drum（40）With the left sealing drum（20）
Between；Second fixing bolt（72）Run through the middle sealing drum in radial directions（40）With the right sealing drum（30）Even
Connect；Second fixing bolt（72）With the middle sealing drum（40）Slidably engage；The second spring（62）It is set in
Second fixing bolt（72）On, the second spring（62）Positioned at the middle sealing drum（40）With the right sealing drum（30）
Between；The nut（80）With first fixing bolt（71）With second fixing bolt（72）Away from the rotating shaft（10）
One end connection；
3rd spring（63）It is set in first fixing bolt（71）On, the 3rd spring（63）Positioned at the nut
（80）With the middle sealing drum（40）Between；4th spring（64）It is set in second fixing bolt（72）On, it is described
4th spring（64）Positioned at the nut（80）With the middle sealing drum（40）Between.
2. the axle sealing structure for automobile according to claim 1, it is characterised in that：The middle sealing drum（40）It is interior
Surface is provided with multiple around the rotating shaft（10）The annular groove that axis extends（41）.
3. the axle sealing structure for automobile according to claim 1, it is characterised in that：The left sealing drum（20）Extend
Into the arc surface that one end end face in the sealing space is protrusion；
The right sealing drum（30）Extend into the arc surface that one end end face in the sealing space is protrusion.
4. the axle sealing structure for automobile according to claim 1, it is characterised in that：First fixing bolt（71）
Two ends be thread segment, first fixing bolt（71）Middle position be and the middle sealing drum（40）Slidably engage
Smooth section；Second fixing bolt（72）Two ends be thread segment, second fixing bolt（72）Middle position be and institute
State middle sealing drum（40）The smooth section for slidably engaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621412421.6U CN206290715U (en) | 2016-12-20 | 2016-12-20 | For the axle sealing structure of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621412421.6U CN206290715U (en) | 2016-12-20 | 2016-12-20 | For the axle sealing structure of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206290715U true CN206290715U (en) | 2017-06-30 |
Family
ID=59104283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621412421.6U Expired - Fee Related CN206290715U (en) | 2016-12-20 | 2016-12-20 | For the axle sealing structure of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206290715U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900289A (en) * | 2017-12-12 | 2018-04-13 | 重庆乐迪机车车辆配件有限公司 | A kind of mould for being used to cast disk class multicolumn shaped cast part |
| CN108204463A (en) * | 2016-12-20 | 2018-06-26 | 重庆乐迪机车车辆配件有限公司 | For the axle sealing structure of automobile |
-
2016
- 2016-12-20 CN CN201621412421.6U patent/CN206290715U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204463A (en) * | 2016-12-20 | 2018-06-26 | 重庆乐迪机车车辆配件有限公司 | For the axle sealing structure of automobile |
| CN108204463B (en) * | 2016-12-20 | 2024-03-01 | 河南省优普密封科技有限公司 | Shaft sealing structure for automobile |
| CN107900289A (en) * | 2017-12-12 | 2018-04-13 | 重庆乐迪机车车辆配件有限公司 | A kind of mould for being used to cast disk class multicolumn shaped cast part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20171220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |