CN204647033U - A kind of axle head limit structure of semiaxis - Google Patents
A kind of axle head limit structure of semiaxis Download PDFInfo
- Publication number
- CN204647033U CN204647033U CN201520207237.7U CN201520207237U CN204647033U CN 204647033 U CN204647033 U CN 204647033U CN 201520207237 U CN201520207237 U CN 201520207237U CN 204647033 U CN204647033 U CN 204647033U
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- China
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- hole
- semiaxis
- external splines
- limit
- joint
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Abstract
The utility model provides a kind of axle head limit structure of semiaxis, relate to limit structure field, comprise: internal spline and external splines, external splines is meshed with internal spline, internal spline is provided with restraining groove, on external splines radially on be provided with through hole from external splines one end to the other end, slidably limit position part is provided with in through hole, when inside and outside spline dismounting, limit position part is positioned at through hole, when inside and outside spline work, limit position part one end protrudes from through hole and coordinates with restraining groove, forms limit structure.The axle head limit structure of the semiaxis that the utility model provides realizes internal spline and external splines in disassembly process, and limit position part is positioned at through hole, without axial limiting between inside and outside spline, therefore can complete assembling and dismounting more easily; After inside and outside spline engagement in using process, due to the effect of centrifugal force, limit position part protrudes from through hole, and limit position part is in spacing state always, and semiaxis can not axial float, ensures use safety, reliable.
Description
Technical field
The utility model relates to a kind of limit structure, is specifically related to a kind of axle head limit structure of semiaxis.
Background technique
At present, inside and outside semiaxis axle head, usually to adopt clip spring structure to carry out spacing at spline fitted place.In semiaxis and differential gear (internal spline) axial assembly process, first jump ring enters spline by transition chamfering, and when being seated, jump ring is in nature open configuration in restraining groove, because jump ring external diameter is greater than spline inner diameter, thus realizes spacing.
Adopt the semiaxis of jump ring limit structure in assembly process, jump ring need be made to be in compressive state so that by transition chamfering and internal spline to power by larger axis.In actual production process, assembler often compares effort when operating and semiaxis could be inserted, and extreme case, needs to be undertaken knocking by instrument just can complete assembling.
When needing to change the semiaxis completing assembling, because jump ring is in open configuration in restraining groove, need larger de-pull out force semiaxis could be extracted from restraining groove.Operator normally adopts crowbar to prize semiaxis outer race and dismantles, and this comparatively barbarous method for dismounting easily causes artificial destruction to semiaxis and its Surrounding Parts.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of axle head limit structure of semiaxis, and the axle head limit structure solving current semiaxis is not easy installation and removal, and easily damages the problem of its Surrounding Parts in installation and removal process.
In order to solve the problems of the technologies described above, the utility model adopts following technological scheme:
According to an aspect of the present utility model, provide a kind of axle head limit structure of semiaxis, comprise: internal spline and external splines, described external splines is meshed with described internal spline, and described internal spline is provided with restraining groove, on described external splines radially on be provided with and run through the through hole of external splines one end to the other end, slidably limit position part is provided with in described through hole, when described semiaxis rotates, described limit position part one end protrudes from described through hole and enters described restraining groove, forms limit structure.
Alternatively, described limit position part comprises position limit pin and screw, described position limit pin is slidably positioned at described through hole, described through hole one end is provided with the internal thread corresponding with the screw thread of described screw, described screw is fixed in described through hole, the length of described screw and the length of described position limit pin and the length that is less than described through hole.
Alternatively, described position limit pin comprises interconnective first joint and the second joint, and the diameter of described first joint is greater than the diameter of described second joint, and described first connection part is between described screw and the second joint.
Alternatively, described through hole is provided with the first linkage section coordinated with the first joint and the second linkage section coordinated with the second joint, the diameter of described first linkage section is greater than the diameter of the second linkage section.
Alternatively, also comprise a labeling section, described labeling section is positioned on axial position identical with through hole on the axle head limit structure of semiaxis.
Alternatively, described screw is socket head screw.
Alternatively, when internal spline and external splines dismounting, described position limit pin and described adjustment screw are positioned at described through hole, after internal spline and external splines installation in using process, described position limit pin protrudes from described through hole, coordinates with described restraining groove, forms limit structure.
The beneficial effects of the utility model are: the axle head limit structure of the semiaxis that the utility model provides by arranging through hole on external splines, and slidably limit position part is set in through hole, internal spline is meshed with external splines, the position of through hole is corresponding with the restraining groove position of external splines, realize when internal spline and external splines dismounting, limit position part is positioned at described through hole, in, without axial limiting between external splines, therefore assembling and dismounting can be completed more easily, after internal spline and external splines installation in rotary course, because the effect limit position part of centrifugal force protrudes from through hole, be in spacing state always, external splines can not axial float, ensure safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the external splines described in the utility model embodiment;
Fig. 2 is the sectional drawing of the external splines described in the utility model embodiment;
Fig. 3 is the sectional drawing of the internal spline described in the utility model embodiment.
Accompanying drawing is described as follows: 1, internal spline; 101, restraining groove; 2, external splines; 201, through hole; 2011, the first linkage section; 2012, the second linkage section; 202, limit position part; 2021, position limit pin; 20211, the first joint; 20212, the second joint; 2022, screw; 3, labeling section.
Embodiment
For making the technical problems to be solved in the utility model, technological scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As Figure 1-3, in embodiment of the present utility model, provide a kind of axle head limit structure of semiaxis, comprise: internal spline 1 and external splines 2, described external splines 2 is meshed with described internal spline 1, described internal spline 1 is provided with restraining groove 101, on described external splines 2 radially on be provided with and run through the through hole of external splines 2 one end to the other end, slidably limit position part 202 is provided with in described through hole 201, when semiaxis rotates, described limit position part 202 one end protrudes from described through hole 201 and enters described restraining groove 101, forms limit structure.The axle head limit structure of the semiaxis that the utility model embodiment provides by arranging through hole 201 on external splines 2, and slidably limit position part 202 is set in through hole 201, internal spline 1 is meshed with external splines 2, the position of through hole 201 is corresponding with restraining groove 101 position of external splines 2, realize when internal spline 1 is with external splines 2 dismounting, limited part is positioned at through hole 201, internal spline 1, without axial limiting between external splines 2, therefore assembling and dismounting can be completed more easily, after internal spline 1 with external splines 2 installation in rotary course, because the effect limited part of centrifugal force protrudes from through hole 201, be in spacing state always, external splines 2 can not axial float, ensure safe and reliable.
As shown in Figure 2, in embodiment of the present utility model, limit position part 202 comprises position limit pin 2021 and screw 2022, position limit pin 2021 is slidably positioned at through hole 201, through hole 201 one end is provided with the internal thread corresponding with the screw thread of screw 2022, screw 2022 is fixed in through hole 201, the length of screw 2022 and the length of position limit pin 2021 and the length that is less than through hole 201.In embodiment of the present utility model, the implementation of limit position part 202 can be a position limit pin 2021 and screw 2022, screw 2022 is fixed in through hole 201 by the screw thread of its outer surface, external splines 2 axle head has a through hole 201 to assemble for position limit pin 2021, position limit pin 2021 is main position-limit mechanisms, slidably be assemblied in through hole 201, screw 2022 is for adjusting the initial rigging position of position limit pin 2021, screw 2022 is a socket head screw 2022, it is appreciated of course that, in embodiment of the present utility model, do not limit concrete structure and the shape of screw 2022.
Continue see Fig. 2, in embodiment of the present utility model, position limit pin 2021 comprises interconnective first joint 20211 and the second joint 20212, the diameter of the first joint 20211 is greater than the diameter of the second joint 20212, and the first joint 20211 is between screw 2022 and the second joint 20212.Diameter through hole 201 being provided with the first linkage section 2011 coordinated with the first joint 20211 and the second linkage section 2012, first linkage section 2011 coordinated with the second joint 20212 is greater than the diameter of the second linkage section 2012.In embodiment of the present utility model, the length of the first linkage section 2011 is greater than the length of the first joint 20211, the length of the second linkage section 2012 is less than the length of the second joint 20212, when semiaxis axle head limit structure when rotated, due to the effect of centrifugal force, second joint 20212 of position limit pin 2021 passes from through hole 201, first joint 20211 be connected with the second joint 20212 one end can be stuck in the joint of through hole 201 first linkage section 2011 and the second linkage section 2012, prevent position limit pin 2021 from skidding off completely from through hole 201.
Continue shown in Figure 1, in embodiment of the present utility model, the axle head limit structure of semiaxis also comprises a labeling section 3, and labeling section 3 and through hole 201 are at same axial position, a permanent marks need be done by rushing recessed, coding etc. on semiaxis universal-joint casing, or mark at opposite side same position.
In embodiment of the present utility model, the axle head limit structure of semiaxis, in assembly process, makes position limit pin 2021 be in the state of falling into by labeling section 3 and installs; In the course of the work, because semiaxis rotates, position limit pin 2021 outstanding through hole 201 under centrifugal action enters restraining groove 101 to semiaxis, reaches limit effect; When needing to dismantle semiaxis, only need will find respective markers, make position limit pin 2021 be in the state of falling into, semiaxis dismounting can be completed.The axle head limit structure of the semiaxis that the utility model embodiment provides, realize internal spline 1 with external splines 2 in assembly process, position limit pin 2021 is positioned at through hole 201 with adjustment screw 2022, because position limit pin 2021 is in the state of falling into, without axial limiting between internal spline 1, external splines 2, therefore assembling and dismounting can be completed more easily; After internal spline 1 with external splines 2 installation in using process, due to the effect of centrifugal force, position limit pin 2021 protrudes from through hole 201, and position limit pin 2021 is in spacing state always, and semiaxis can not axial float, ensures use safety, reliable.
It is more than preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. the axle head limit structure of a semiaxis, it is characterized in that, comprise: internal spline and external splines, described external splines is meshed with described internal spline, and described internal spline is provided with restraining groove, on described external splines radially on be provided with and run through the through hole of external splines one end to the other end, slidably limit position part is provided with in described through hole, when described semiaxis rotates, described limit position part one end protrudes from described through hole and enters described restraining groove, forms limit structure.
2. the axle head limit structure of semiaxis as claimed in claim 1, it is characterized in that, described limit position part comprises position limit pin and screw, described position limit pin is slidably positioned at described through hole, described through hole one end is provided with the internal thread corresponding with the screw thread of described screw, described screw is fixed in described through hole, the length of described screw and the length of described position limit pin and the length that is less than described through hole.
3. the axle head limit structure of semiaxis as claimed in claim 2, it is characterized in that, described position limit pin comprises interconnective first joint and the second joint, the diameter of described first joint is greater than the diameter of described second joint, and described first connection part is between described screw and the second joint.
4. the axle head limit structure of semiaxis as claimed in claim 3, it is characterized in that, described through hole is provided with the first linkage section coordinated with the first joint and the second linkage section coordinated with the second joint, the diameter of described first linkage section is greater than the diameter of the second linkage section.
5. the axle head limit structure of semiaxis as claimed in claim 1, it is characterized in that, also comprise a labeling section, described labeling section is positioned on axial position identical with through hole on semiaxis.
6. the axle head limit structure of semiaxis as claimed in claim 2, it is characterized in that, described screw is socket head screw.
7. the axle head limit structure of semiaxis as claimed in claim 2, is characterized in that, when described semiaxis rotates, one end of described position limit pin second joint protrudes from described through hole and enters described restraining groove, forms limit structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520207237.7U CN204647033U (en) | 2015-04-08 | 2015-04-08 | A kind of axle head limit structure of semiaxis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520207237.7U CN204647033U (en) | 2015-04-08 | 2015-04-08 | A kind of axle head limit structure of semiaxis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647033U true CN204647033U (en) | 2015-09-16 |
Family
ID=54099791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520207237.7U Withdrawn - After Issue CN204647033U (en) | 2015-04-08 | 2015-04-08 | A kind of axle head limit structure of semiaxis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204647033U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763752A (en) * | 2015-04-08 | 2015-07-08 | 北京汽车研究总院有限公司 | Shaft end limit structure of half shaft |
| CN109038942A (en) * | 2016-08-31 | 2018-12-18 | 苏州欧圣电气股份有限公司 | Motor and air compressor machine with the motor |
-
2015
- 2015-04-08 CN CN201520207237.7U patent/CN204647033U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763752A (en) * | 2015-04-08 | 2015-07-08 | 北京汽车研究总院有限公司 | Shaft end limit structure of half shaft |
| CN104763752B (en) * | 2015-04-08 | 2018-04-03 | 北京汽车集团有限公司 | A kind of shaft end limit structure of semiaxis |
| CN109038942A (en) * | 2016-08-31 | 2018-12-18 | 苏州欧圣电气股份有限公司 | Motor and air compressor machine with the motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170405 Address after: 101300 Beijing city Shunyi District Shuanghe Street No. 99 Patentee after: BAIC MOTOR CORPORATION LTD. Address before: 101300 Beijing City Renhe Town Shunyi District Shuanghe Street No. 99 Patentee before: Beijing Automobile Research General Institute Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150916 Effective date of abandoning: 20180403 |