CN207278824U - A kind of half axle sealing structure - Google Patents
A kind of half axle sealing structure Download PDFInfo
- Publication number
- CN207278824U CN207278824U CN201721176425.3U CN201721176425U CN207278824U CN 207278824 U CN207278824 U CN 207278824U CN 201721176425 U CN201721176425 U CN 201721176425U CN 207278824 U CN207278824 U CN 207278824U
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- China
- Prior art keywords
- wall
- semiaxis
- oil sealing
- hole
- shaft
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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
It the utility model is related to transmission technology field, half axle sealing structure of open one kind, including housing, driven wheel, axle shaft gear, planetary gear, differential carrier, planet wheel spindle and semiaxis, the driven wheel is by bearing hinge connection on housing, differential carrier is bolted on driven wheel, planet wheel spindle is connected with differential carrier, planetary gear sleeve is on planet wheel spindle, planetary gear is engaged with axle shaft gear, semiaxis sleeve is in the endoporus of the side gear shaft of axle shaft gear, side gear shaft sleeve is in the central through hole of driven wheel, the second oil sealing is equipped between the semiaxis and housing, the first oil sealing is equipped between side gear shaft and housing, O-ring is equipped between the side gear shaft and semiaxis.It is double sealing structure, substantially increases sealing performance, and adds the stability and security of work.
Description
Technical field：
Transmission technology field is the utility model is related to, more particularly, to a kind of half axle sealing structure.
Background technology：
Half axle sealing structure of passenger vehicle is single oil seal structure at present, and an oil sealing is socketed on semiaxis, works as oil
During envelope failure, occur as soon as oil leak situation at semiaxis, reduce the operation stability of automobile, and replace oil sealing more trouble, it is necessary to
Waste substantial amounts of time, manpower and material resources.
Utility model content：
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided a kind of half axle sealing structure, it is double containment
Structure, substantially increases sealing performance, and adds the stability and security of work.
The utility model solve the technical problem scheme be：
A kind of half axle sealing structure, including housing, driven wheel, axle shaft gear, planetary gear, differential carrier, planet wheel spindle and
Semiaxis, by bearing hinge connection on housing, differential carrier is bolted on driven wheel the driven wheel, planet wheel spindle with
Differential carrier connects, and on planet wheel spindle, planetary gear engages planetary gear sleeve with axle shaft gear, and semiaxis sleeve is in axle shaft gear
In the endoporus of side gear shaft, side gear shaft sleeve is equipped with the central through hole of driven wheel between the semiaxis and housing
Second oil sealing, is equipped with the first oil sealing, O-ring is equipped between the side gear shaft and semiaxis between side gear shaft and housing.
Form step through-hole on the housing, the driven wheel by bearing hinge connection step through-hole inner side macropore
It is interior；On the inner wall for the interstitial hole that the outer wall of first oil sealing is pressed against step through-hole, the inner wall of the first oil sealing is pressed against semiaxis
On the outer wall of gear shaft, a side end face of the first oil sealing is pressed against on the step surface of the interstitial hole of step through-hole；Second oil
The outer wall of envelope is pressed against on the inner wall of the outer apertures of step through-hole, and the inner wall of the second oil sealing is pressed against the 3rd section of semiaxis outer
On wall, the second oil sealing baffle ring is formed on the 4th section of outer wall of the semiaxis, the second oil sealing baffle ring is located at the outer of the second oil sealing
Side.
Seal groove is offered on inner wall on the outside of the endoporus of the side gear shaft, the O-ring is placed in seal groove, O
The inner wall of type circle is pressed against on the outer wall of the second segment of semiaxis, and the outer wall of O-ring is pressed against on the madial wall of seal groove.
Outer wall spline is formed on the outer wall of the first section of the semiaxis, on the inner wall on the inside of the endoporus of the side gear shaft
Inner wall spline is formed, the outer wall spline sleeve is in inner wall spline.
The axis of the planet wheel spindle is vertical with the axis of side gear shaft.
The protrusion effect of the utility model is：
Compared with prior art, it is double sealing structure, substantially increases sealing performance, and adds the stability of work
And security.
Brief description of the drawings：
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is partial enlarged views of the Fig. 1 on A.
Embodiment：
Embodiment, is shown in as shown in Figure 1 to Figure 2, a kind of half axle sealing structure, including housing 11, driven wheel 12, axle shaft gear
13rd, planetary gear 14, differential carrier 15, planet wheel spindle 16 and semiaxis 17, the driven wheel 12 by bearing hinge connection on housing 11,
Differential carrier 15 is bolted on driven wheel 12, and planet wheel spindle 16 is connected with differential carrier 15, and 14 sleeve of planetary gear exists
On planet wheel spindle 16, planetary gear 14 is engaged with axle shaft gear 13, side gear shaft 131 of 17 sleeve of semiaxis in axle shaft gear 13
Endoporus in, 131 sleeve of side gear shaft is in the central through hole of driven wheel 12, it is characterised in that：The semiaxis 17 and housing
The second oil sealing 2 is equipped between 11, the first oil sealing 3, the side gear shaft 17 are equipped between side gear shaft 131 and housing 11
O types circle 4 is equipped between semiaxis 17.
Further, step through-hole 111 is formed on the housing 11, the driven wheel 12 passes through bearing hinge connection
In the inner side macropore of step through-hole 111；The outer wall of first oil sealing 3 is pressed against the inner wall of the interstitial hole of step through-hole 111
On, the inner wall of the first oil sealing 3 is pressed against on the outer wall of side gear shaft 131, and a side end face of the first oil sealing 3 is pressed against step
On the step surface of the interstitial hole of through hole 111；The outer wall of second oil sealing 2 is pressed against the interior of the outer apertures of step through-hole 111
On wall, the inner wall of the second oil sealing 2 is pressed against on the 3rd section 171 of outer wall of semiaxis 17, the 4th section 172 of the semiaxis 17 outer
The second oil sealing baffle ring 173 is formed on wall, the second oil sealing baffle ring 173 is located at the outside of the second oil sealing 2.
Further, seal groove 1311 is offered on the inner wall on the outside of the endoporus of the side gear shaft 131, it is described
O-ring 4 is placed in seal groove 1311, and the inner wall of O-ring 4 is pressed against on the outer wall of second segment 174 of semiaxis 17, O-ring 4
Outer wall is pressed against on the madial wall of seal groove 1311.
Further, outer wall spline, the side gear shaft are formed on the outer wall of the first section 175 of the semiaxis 17
Inner wall spline is formed on inner wall on the inside of 131 endoporus, the outer wall spline sleeve is in inner wall spline.
Further, the axis of the planet wheel spindle 16 is vertical with the axis of side gear shaft 131.
Operation principle：In the process of running, babinet domestic demand filling lubricating oil etc., the liquid such as lubricating oil can be from semiaxis for speed changer
17 junction oil leaks etc., use double sealing structure in the design, 4 and second axle envelope 3 of O-ring forms once sealing, the first axle envelope 2
Form secondary seal.
Embodiment of above is merely to illustrate the utility model, and not to the system of the utility model, related technical field
Those of ordinary skill, in the case where not departing from the spirit and scope of the utility model, can also make a variety of changes and become
Type, therefore all equivalent technical solutions fall within the category of the utility model, the scope of patent protection of the utility model should be by
Claim limits.
Claims (5)
1. a kind of half axle sealing structure, including housing (11), driven wheel (12), axle shaft gear (13), planetary gear (14), differential mechanism
Shell (15), planet wheel spindle (16) and semiaxis (17), the driven wheel (12) by bearing hinge connection on housing (11), differential carrier
(15) it is bolted on driven wheel (12), planet wheel spindle (16) is connected with differential carrier (15), planetary gear (14) sleeve
On planet wheel spindle (16), planetary gear (14) is engaged with axle shaft gear (13), semiaxis (17) sleeve in axle shaft gear (13) half
In the endoporus of shaft gear axis (131), side gear shaft (131) sleeve is in the central through hole of driven wheel (12), it is characterised in that：
The second oil sealing (2) is equipped between the semiaxis (17) and housing (11), the is equipped between side gear shaft (131) and housing (11)
One oil sealing (3), is equipped with O-ring (4) between the side gear shaft (131) and semiaxis (17).
A kind of 2. half axle sealing structure according to claim 1, it is characterised in that：Step is formed on the housing (11)
Through hole (111), the driven wheel (12) is by bearing hinge connection in the inner side macropore of step through-hole (111)；First oil sealing
(3) outer wall is pressed against on the inner wall of the interstitial hole of step through-hole (111), and the inner wall of the first oil sealing (3) is pressed against axle shaft gear
On the outer wall of axis (131), a side end face of the first oil sealing (3) is pressed against on the step surface of the interstitial hole of step through-hole (111)；Institute
On the inner wall for the outer apertures that the outer wall for stating the second oil sealing (2) is pressed against step through-hole (111), the interior wall pressure of the second oil sealing (2)
Lean against on the outer wall of the 3rd section (171) of semiaxis (17), second is formed on the outer wall of the 4th section (172) of the semiaxis (17)
Oil sealing baffle ring (173), the second oil sealing baffle ring (173) are located at the outside of the second oil sealing (2).
A kind of 3. half axle sealing structure according to claim 1, it is characterised in that：The side gear shaft (131) it is interior
Seal groove (1311) is offered on the inner wall in the outside in hole, the O-ring (4) is placed in seal groove (1311), O-ring (4)
Inner wall is pressed against on the outer wall of second segment (174) of semiaxis (17), and the outer wall of O-ring (4) is pressed against the interior of seal groove (1311)
On side wall.
A kind of 4. half axle sealing structure according to claim 1, it is characterised in that：The first section (175) of the semiaxis (17)
Outer wall on form outer wall spline, form inner wall spline on the inner wall of the inner side of the endoporus of the side gear shaft (131),
The outer wall spline sleeve is in inner wall spline.
A kind of 5. half axle sealing structure according to claim 1, it is characterised in that：The axis of the planet wheel spindle (16) with
The axis of side gear shaft (131) is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721176425.3U CN207278824U (en) | 2017-09-14 | 2017-09-14 | A kind of half axle sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721176425.3U CN207278824U (en) | 2017-09-14 | 2017-09-14 | A kind of half axle sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278824U true CN207278824U (en) | 2018-04-27 |
Family
ID=61990909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721176425.3U Active CN207278824U (en) | 2017-09-14 | 2017-09-14 | A kind of half axle sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021042426A1 (en) * | 2019-09-03 | 2021-03-11 | 精进电动科技股份有限公司 | Electric drive assembly of dry differential and new energy automobile |
-
2017
- 2017-09-14 CN CN201721176425.3U patent/CN207278824U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021042426A1 (en) * | 2019-09-03 | 2021-03-11 | 精进电动科技股份有限公司 | Electric drive assembly of dry differential and new energy automobile |
| US20220268348A1 (en) * | 2019-09-03 | 2022-08-25 | Jing-Jin Electric Technologies Co., Ltd. | Electric drive assembly of dry differential and new energy automobile |
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