CN111271461A - Input end locking and sealing structure of through shaft - Google Patents
Input end locking and sealing structure of through shaft Download PDFInfo
- Publication number
- CN111271461A CN111271461A CN201911401246.9A CN201911401246A CN111271461A CN 111271461 A CN111271461 A CN 111271461A CN 201911401246 A CN201911401246 A CN 201911401246A CN 111271461 A CN111271461 A CN 111271461A
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- China
- Prior art keywords
- shaft
- matched
- adjusting ring
- diameter
- bearing
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
Abstract
The invention relates to a through shaft input end locking and sealing structure.A stepped hole structure for mounting an oil seal is arranged on an adjusting ring, the shaft diameter of the through shaft is matched and mounted with a circular hole of a dust cover, the shaft diameter of the oil seal is matched and mounted with the stepped hole of the adjusting ring, and a central circular hole of the adjusting ring is in small clearance fit with the shaft diameter of the through shaft; the circular hole of the bearing is matched with the shaft diameter of the through shaft, the shoulder of the through shaft is matched with the end surface of the inner ring of the bearing, and the end surface of the outer ring of the bearing is matched with the end surface of the adjusting ring; the circular hole of the locking plate is arranged in the shaft diameter of the through shaft, the convex tooth of the inner hole of the locking plate is matched with the groove of the through shaft, the nut is matched with the thread of the through shaft, and the convex tooth of the outer diameter of the locking plate is matched with the shaft diameter groove of the nut; the shaft diameter of the bearing is arranged in a stepped hole of the axle housing, and the end surface of the outer ring is attached to a shoulder of the axle housing; the thread diameter of the adjusting ring is matched with the thread hole of the axle housing; the convex teeth of the locking plate are matched with the grooves of the adjusting ring, so that the sealing reliability is improved, the service life is prolonged, and the maintenance cost is reduced.
Description
Technical Field
The invention relates to the technical field of automobile drive axles, in particular to a through shaft input end locking and sealing structure.
Background
At present, the locking of an automobile drive axle differential mechanism adjusting ring is realized by inserting a lock plate lock tongue into an adjusting ring tooth groove. After the gear clearance and the bearing pretightening force are adjusted by rotating the adjusting ring, the lock plate lock tongue and the tooth socket of the adjusting ring cannot be just inserted, the adjusting ring needs to be continuously screwed to be inserted and matched, so that the lock plate lock tongue and the tooth socket of the adjusting ring can be just inserted and matched, and in order to avoid the problem that the adjusting ring is inserted and matched to generate large influence on the gear clearance and the bearing pretightening force in the adjusting process, the smaller the rotating angle of the adjusting ring is, the better the adjusting ring is.
In traditional automobile drive axle, the adjusting ring that link up the axle assembly adopts the screw hole cooperation of screw diameter and axle housing, and the oil blanket is installed in the round hole of adjusting ring, and the shortcoming of this kind of structure is: because there is radial deviation in the screw diameter of adjusting ring and the cooperation of the screw hole of axle housing, lead to the sealed lip of oil blanket and the axle diameter cooperation of running through the axle to produce radial deviation, and then lead to the inefficacy of oil leak to take place.
Disclosure of Invention
The invention aims to provide a through shaft input end locking and sealing structure, which solves the technical problem of oil leakage failure caused by radial deviation generated by matching of a sealing lip of an oil seal and the shaft diameter of a through shaft, improves the sealing reliability of the oil seal and reduces the maintenance cost.
The purpose of the invention is realized by the following technical scheme:
a through shaft input end locking and sealing structure comprises a through shaft 1, a dust cover 2, an oil seal 3, an adjusting ring 4, a bearing 5, an axle housing 6, a locking plate 7 and a fixed locking plate 10; a stepped hole structure for mounting an oil seal is arranged on the adjusting ring, the shaft diameter of the through shaft 1 is matched with the round hole of the dust cover 2, the shaft diameter of the oil seal 3 is matched with the stepped hole of the adjusting ring 4, and the axial limiting is realized by utilizing a stepped hole shoulder; the central circular hole of the adjusting ring 4 is in small clearance fit with the shaft diameter of the through shaft 1; the circular hole of the bearing 5 is matched with the shaft diameter of the through shaft 1, the shoulder of the through shaft 1 is matched with the end surface of the inner ring of the bearing 5, and the end surface of the outer ring of the bearing 5 is matched with the end surface of the adjusting ring 4; the circular hole of the locking plate 7 is arranged in the shaft diameter of the through shaft 1, the convex teeth of the inner hole of the locking plate 7 are matched with the grooves of the through shaft 1, the nut 8 is installed in a threaded fit with the through shaft 1, and the convex teeth of the outer diameter of the locking plate 7 are matched with the grooves of the shaft diameter of the nut 8; the shaft diameter of the bearing 5 is arranged in a stepped hole of the axle housing 6, and the end surface of an outer ring of the bearing 5 is attached to a shoulder of the axle housing 6; the thread diameter of the adjusting ring 4 is matched with the thread hole of the axle housing 6; the convex teeth of the locking plate 10 are matched with the grooves of the adjusting ring 4
As a more excellent technical scheme of the invention: and weight-reducing through holes are formed around the central round hole of the adjusting ring 4.
As a more excellent technical scheme of the invention: the circumference of the central circular hole of the adjusting ring 4 is not a complete circle, and is formed by tongues 12 uniformly distributed on the inner wall of the adjusting ring, and the arc of the end part of each tongue 12 is an arc line of the circumference of the central circular hole.
As a better technical scheme of the invention, the central circular hole of the adjusting ring 4 is of an inner spigot structure and is matched with the shaft diameter of the bearing 5.
As a more preferable technical solution of the present invention, the fixed locking plate 10 is fixed on the axle housing 6 by bolts 11.
It is a further object of the present invention to provide a through shaft assembly utilizing the above-described locking seal arrangement.
The purpose of the invention is realized by the following technical scheme
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a through shaft input end locking sealing structure which improves the sealing reliability and prolongs the service life, reduces the maintenance cost and avoids the problems of oil leakage and the like caused by the radial deviation of the matching of the sealing lip of an oil seal and the shaft diameter of a through shaft due to the radial deviation of the matching of the thread diameter of an adjusting ring and the thread hole of an axle housing in the conventional drive axle.
Drawings
The invention is further described with reference to the accompanying drawings in which:
fig. 1 is a cross-sectional view of a through shaft input end locking seal structure assembly according to embodiment 1 of the present invention;
fig. 2 is a cross-sectional view of a through shaft input end locking seal structure assembly according to embodiment 2 of the present invention;
FIG. 3 is a cross-sectional view of a through shaft input end locking seal assembly according to embodiment 3 of the present invention;
fig. 4 is a front view of an adjusting ring of a through shaft input end locking and sealing structure according to embodiment 1 of the present invention;
fig. 5 is a cross-sectional view of an adjusting ring of a through shaft input end locking sealing structure according to embodiment 1 of the present invention;
fig. 6 is a front view of an adjusting ring of a through shaft input end locking and sealing structure according to embodiment 2 of the present invention;
fig. 7 is a cross-sectional view of an adjusting ring of a through shaft input end locking sealing structure according to embodiment 2 of the present invention;
fig. 8 is a front view of an adjusting ring of a through shaft input end locking and sealing structure according to embodiment 3 of the present invention;
fig. 9 is a cross-sectional view of an adjusting ring of a through shaft input end locking sealing structure according to embodiment 3 of the present invention.
The specific implementation mode is as follows:
the invention is further elucidated with reference to the drawing.
As shown in fig. 1-9, the invention provides a through shaft input end locking sealing structure, which comprises a through shaft 1, a dust cover 2, an oil seal 3, an adjusting ring 4, a bearing 5, an axle housing 6, a locking plate 7 and a fixed locking plate 10; a stepped hole structure for mounting an oil seal is arranged on the adjusting ring, the shaft diameter of the through shaft 1 is matched with the round hole of the dust cover 2, the shaft diameter of the oil seal 3 is matched with the stepped hole of the adjusting ring 4, and the axial limiting is realized by utilizing a stepped hole shoulder; the central circular hole of the adjusting ring 4 is in small clearance fit with the shaft diameter of the through shaft 1; the circular hole of the bearing 5 is matched with the shaft diameter of the through shaft 1, the shoulder of the through shaft 1 is matched with the end surface of the inner ring of the bearing 5, and the end surface of the outer ring of the bearing 5 is matched with the end surface of the adjusting ring 4; the circular hole of the locking plate 7 is arranged in the shaft diameter of the through shaft 1, the convex teeth of the inner hole of the locking plate 7 are matched with the grooves of the through shaft 1, the nut 8 is installed in a threaded fit with the through shaft 1, and the convex teeth of the outer diameter of the locking plate 7 are matched with the grooves of the shaft diameter of the nut 8; the shaft diameter of the bearing 5 is arranged in a stepped hole of the axle housing 6, and the end surface of an outer ring of the bearing 5 is attached to a shoulder of the axle housing 6; the thread diameter of the adjusting ring 4 is matched with the thread hole of the axle housing 6; the convex teeth of the locking plate 10 are matched with the grooves of the adjusting ring 4
In some embodiments, the periphery of the central circular hole of the adjusting ring 4 is provided with weight-reducing through holes.
In some embodiments, the circumference of the central circular hole of the adjusting ring 4 is not a complete circle, and is formed by the tongues 12 uniformly distributed on the inner wall of the adjusting ring, and the arc of the end of each tongue 12 is an arc line of the circumference of the central circular hole.
In some embodiments, the central circular hole of the adjusting ring 4 is an internal spigot structure, and is matched with the shaft diameter of the bearing 5.
In some embodiments, the locking plate 10 is secured to the axle housing 6 by bolts 11.
Example 1
The round hole of the dust cover 2 is pressed into the shaft diameter of the through shaft 1; the shaft diameter of the oil seal 3 is pressed into the stepped hole of the adjusting ring 4, and the shoulder of the stepped hole is utilized for axial limiting; the small round hole of the adjusting ring 4 is in small clearance fit with the shaft diameter of the through shaft 1 and is used for radial limiting; the circular hole of the bearing 5 is arranged in the shaft diameter of the through shaft 1, the shoulder of the through shaft 1 is matched with the end surface of the inner ring of the bearing 5, and the end surface of the outer ring of the bearing 5 is matched with the end surface of the adjusting ring 4; the circular hole of the locking plate 7 is arranged in the shaft diameter of the through shaft 1, the convex teeth of the inner hole of the locking plate 7 are matched with the grooves of the through shaft 1, the nut 8 is screwed into the thread diameter of the through shaft 1 and is screwed tightly, and the convex teeth of the outer diameter of the locking plate 7 are matched with the grooves of the shaft diameter of the nut 8; the shaft diameter of the bearing 5 is arranged in a stepped hole of the axle housing 6, and the end surface of an outer ring of the bearing 5 is attached to a shoulder of the axle housing 6; the thread diameter of the adjusting ring 4 is screwed into the threaded hole of the axle housing 6 and is screwed tightly; the convex teeth of the locking plate 10 are matched with the grooves of the adjusting ring 4, and the locking plate 10 is fixed by a bolt 11.
Example 2
The round hole of the dust cover 2 is pressed into the shaft diameter of the through shaft 1; the shaft diameter of the oil seal 3 is pressed into the stepped hole of the adjusting ring 4, and the shoulder of the stepped hole is utilized for axial limiting; four distributed arc holes of the adjusting ring 4 are in small clearance fit with the shaft diameter of the through shaft 1 and used for radial limiting; the circular hole of the bearing 5 is arranged in the shaft diameter of the through shaft 1, the shoulder of the through shaft 1 is matched with the end surface of the inner ring of the bearing 5, and the end surface of the outer ring of the bearing 5 is matched with the end surface of the adjusting ring 4; the circular hole of the locking plate 7 is arranged in the shaft diameter of the through shaft 1, the convex teeth of the inner hole of the locking plate 7 are matched with the grooves of the through shaft 1, the nut 8 is screwed into the thread diameter of the through shaft 1 and is screwed tightly, and the convex teeth of the outer diameter of the locking plate 7 are matched with the grooves of the shaft diameter of the nut 8; the shaft diameter of the bearing 5 is arranged in a stepped hole of the axle housing 6, and the end surface of an outer ring of the bearing 5 is attached to a shoulder of the axle housing 6; the thread diameter of the adjusting ring 4 is screwed into the threaded hole of the axle housing 6 and is screwed tightly; the convex teeth of the locking plate 10 are matched with the grooves of the adjusting ring 4, and the locking plate 10 is fixed by a bolt 11. The stepped hole structure of the adjusting ring 4 is used for installing the oil seal 3, and the central circular hole structure of the adjusting ring 4 is matched with the through shaft 1; the thread diameter structure of the adjusting ring 4 is connected with the axle housing 6; a distributed groove structure is adopted to be matched with the locking plate 10; and the four long round holes are used for oil passages and weight reduction.
Example 3
The round hole of the dust cover 2 is pressed into the shaft diameter of the through shaft 1; the shaft diameter of the oil seal 3 is pressed into the stepped hole of the adjusting ring 4, and the shoulder of the stepped hole is utilized for axial limiting; the circular hole of the bearing 5 is arranged in the shaft diameter of the through shaft 1, the shoulder of the through shaft 1 is matched with the end surface of the inner ring of the bearing 5, the end surface of the outer ring of the bearing 5 is matched with the end surface of the adjusting ring 4, and the shaft diameter of the bearing 5 is matched with the stepped hole of the adjusting ring 4 and used for radial limiting of the adjusting ring 4; the circular hole of the locking plate 7 is arranged in the shaft diameter of the through shaft 1, the convex teeth of the inner hole of the locking plate 7 are matched with the grooves of the through shaft 1, the nut 8 is screwed into the thread diameter of the through shaft 1 and is screwed tightly, and the convex teeth of the outer diameter of the locking plate 7 are matched with the grooves of the shaft diameter of the nut 8; the shaft diameter of the bearing 5 is arranged in a stepped hole of the axle housing 6, and the end surface of an outer ring of the bearing 5 is attached to a shoulder of the axle housing 6; the thread diameter of the adjusting ring 4 is screwed into the threaded hole of the axle housing 6 and is screwed tightly; the convex teeth of the locking plate 10 are matched with the grooves of the adjusting ring 4, and the locking plate 10 is fixed by a bolt 11. The stepped hole structure of the adjusting ring 4 is used for installing the oil seal 3, and the other end of the adjusting ring adopts an inner spigot structure and is matched with the shaft diameter of the bearing 5; the structure of thread diameter is adopted and is connected with the axle housing 6; the distribution groove structure is adopted to be matched with the locking plate 10.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (6)
1. The utility model provides a link up axle input locking seal structure which characterized in that: the device comprises a through shaft, a dust cover, an oil seal, an adjusting ring, a bearing, an axle housing, a locking plate and a fixed locking plate; the adjusting ring is provided with a stepped hole structure for mounting an oil seal, the shaft diameter of the through shaft is matched with the round hole of the dust cover, the shaft diameter of the oil seal is matched with the stepped hole of the adjusting ring, and the stepped hole shoulder is utilized for axial limiting; the central circular hole of the adjusting ring is in small clearance fit with the shaft diameter of the through shaft; the circular hole of the bearing is matched with the shaft diameter of the through shaft, the shoulder of the through shaft is matched with the end surface of the inner ring of the bearing, and the end surface of the outer ring of the bearing is matched with the end surface of the adjusting ring; the circular hole of the locking plate is arranged in the shaft diameter of the through shaft, the convex tooth of the inner hole of the locking plate is matched with the groove of the through shaft, the nut is matched with the thread of the through shaft, and the convex tooth of the outer diameter of the locking plate is matched with the shaft diameter groove of the nut; the shaft diameter of the bearing is arranged in a stepped hole of the axle housing, and the end surface of an outer ring of the bearing is attached to a shoulder of the axle housing; the thread diameter of the adjusting ring is matched with the thread hole of the axle housing; the convex teeth of the locking plate are matched with the groove of the adjusting ring
2. The input end locking and sealing structure of the through shaft according to claim 1, wherein: and weight-reducing through holes are formed around the central round hole of the adjusting ring.
3. The input end locking and sealing structure of the through shaft according to claim 1, wherein: the circumference of the central round hole of the adjusting ring is not a complete circle, the circumference is formed by tongues uniformly distributed on the inner wall of the adjusting ring, and the arc of the end part of each tongue is an arc line of the circumference of the central round hole.
4. The input end locking and sealing structure of the through shaft according to claim 1, wherein: the central circular hole of the adjusting ring is of an inner spigot structure and is matched with the shaft diameter of the bearing.
5. The input end locking and sealing structure of the through shaft according to claim 1, wherein: the fixed locking plate is fixed on the axle housing through a bolt.
6. A through-shaft assembly characterized by: use of the claimed through-shaft input end locking seal arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401246.9A CN111271461A (en) | 2019-12-31 | 2019-12-31 | Input end locking and sealing structure of through shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401246.9A CN111271461A (en) | 2019-12-31 | 2019-12-31 | Input end locking and sealing structure of through shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111271461A true CN111271461A (en) | 2020-06-12 |
Family
ID=71111843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911401246.9A Pending CN111271461A (en) | 2019-12-31 | 2019-12-31 | Input end locking and sealing structure of through shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111271461A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55106766U (en) * | 1979-01-24 | 1980-07-25 | ||
| EP0614778A1 (en) * | 1993-03-09 | 1994-09-14 | Regie Nationale Des Usines Renault S.A. | Differential gearing for a fluid-tight gearbox |
| DE19723839A1 (en) * | 1996-06-18 | 1998-01-02 | Volkswagen Ag | Compensation gear particularly for road vehicle |
| CN101244682A (en) * | 2007-02-12 | 2008-08-20 | 北泰汽车悬架制造(北京)有限公司 | Shaft support device driven with turning drive axle |
| CN201784463U (en) * | 2010-08-05 | 2011-04-06 | 徐州美驰车桥有限公司 | Rear output structure of main reducer of tandem drive axle |
| CN201891745U (en) * | 2010-11-17 | 2011-07-06 | 郑州精益达汽车零部件有限公司 | Locking structure of axle hub bearing |
| CN207961462U (en) * | 2018-01-12 | 2018-10-12 | 中国航发哈尔滨东安发动机有限公司 | A kind of shafting locking mechanism |
| CN208428905U (en) * | 2018-05-31 | 2019-01-25 | 一汽解放汽车有限公司 | A kind of perforation vehicle bridge perforation axle assembly |
| CN208431371U (en) * | 2018-05-31 | 2019-01-25 | 一汽解放汽车有限公司 | A kind of hollow out flange form semiaxis loss of weight and sealing structure |
| CN209240792U (en) * | 2018-07-04 | 2019-08-13 | 一汽解放汽车有限公司 | A kind of split type axle shell shaft-head and its wheel side assembly of application |
| CN209245250U (en) * | 2018-10-30 | 2019-08-13 | 一汽解放汽车有限公司 | Leak-proof arrangement at a kind of commercial vehicle driving jackshaft perforation axis |
-
2019
- 2019-12-31 CN CN201911401246.9A patent/CN111271461A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55106766U (en) * | 1979-01-24 | 1980-07-25 | ||
| EP0614778A1 (en) * | 1993-03-09 | 1994-09-14 | Regie Nationale Des Usines Renault S.A. | Differential gearing for a fluid-tight gearbox |
| DE19723839A1 (en) * | 1996-06-18 | 1998-01-02 | Volkswagen Ag | Compensation gear particularly for road vehicle |
| CN101244682A (en) * | 2007-02-12 | 2008-08-20 | 北泰汽车悬架制造(北京)有限公司 | Shaft support device driven with turning drive axle |
| CN201784463U (en) * | 2010-08-05 | 2011-04-06 | 徐州美驰车桥有限公司 | Rear output structure of main reducer of tandem drive axle |
| CN201891745U (en) * | 2010-11-17 | 2011-07-06 | 郑州精益达汽车零部件有限公司 | Locking structure of axle hub bearing |
| CN207961462U (en) * | 2018-01-12 | 2018-10-12 | 中国航发哈尔滨东安发动机有限公司 | A kind of shafting locking mechanism |
| CN208428905U (en) * | 2018-05-31 | 2019-01-25 | 一汽解放汽车有限公司 | A kind of perforation vehicle bridge perforation axle assembly |
| CN208431371U (en) * | 2018-05-31 | 2019-01-25 | 一汽解放汽车有限公司 | A kind of hollow out flange form semiaxis loss of weight and sealing structure |
| CN209240792U (en) * | 2018-07-04 | 2019-08-13 | 一汽解放汽车有限公司 | A kind of split type axle shell shaft-head and its wheel side assembly of application |
| CN209245250U (en) * | 2018-10-30 | 2019-08-13 | 一汽解放汽车有限公司 | Leak-proof arrangement at a kind of commercial vehicle driving jackshaft perforation axis |
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Application publication date: 20200612 |
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