CN205858930U - Bulb threaded anti-loosing structure in a kind of lock washer and automobile steering device - Google Patents
Bulb threaded anti-loosing structure in a kind of lock washer and automobile steering device Download PDFInfo
- Publication number
- CN205858930U CN205858930U CN201620816061.XU CN201620816061U CN205858930U CN 205858930 U CN205858930 U CN 205858930U CN 201620816061 U CN201620816061 U CN 201620816061U CN 205858930 U CN205858930 U CN 205858930U
- Authority
- CN
- China
- Prior art keywords
- lock washer
- protuberance
- tooth bar
- washer body
- ball
- 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
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
This utility model relates to bulb threaded anti-loosing structure in a kind of lock washer and automobile steering device, and wherein lock washer includes lock washer body；Lock washer body is provided with tooth bar perforation；Lock washer body is provided with axially extended first protuberance along lock washer body and the second protuberance；The lock washer at tooth bar perforation two ends is provided with axially extended 3rd protuberance along lock washer body and the 4th protuberance.The application is designed by the structure of lock washer so that tooth bar is when through lock washer, and the 3rd protuberance and the 4th protuberance form clamping to tooth bar and connect, and prevent tooth bar and lock washer relative motion；Meanwhile, the first protuberance and the second protuberance and ball-head tension rod snap-fit engagement, effectively solve because the reason such as vibration or uneven road surface causes the problem threadeding inefficacy between ball-head tension rod with tooth bar, improve drive safety.
Description
Technical field
This utility model belongs to automobile steering system technical field, particularly relates in a kind of lock washer and automobile steering device
Bulb threaded anti-loosing structure.
Background technology
Under car load environment, driver's effect moment on the steering wheel passes to turn to by steering column and jackshaft
Device gear shaft, is converted into moving axially of tooth bar by the engagement of rack-and-pinion, and tooth bar is connected with ball-head tension rod by screw thread, logical
Crossing pull bar drives the tire on knuckle to turn to.
As depicted in figs. 1 and 2, in existing electric boosting steering system, driver's effect moment on the steering wheel
Passed to the gear shaft 1 of steering gear by steering column and jackshaft, be converted into the axial of tooth bar 2 by the engagement of rack-and-pinion
Mobile, tooth bar 2 is connected with ball-head tension rod 3 by screw thread, drives the tire on knuckle to turn to by ball-head tension rod 3.
Tooth bar end only has with ball-head tension rod threadeds, and automobile is when uneven road surface travels, and road excitation is delivered to turn
When power on the drag link of device has tangential component, or during tire extrusion path tooth, easily make ball-head tension rod and tooth bar end
Threaded loosening, and then cause Joint failure, there is bigger potential safety hazard.
Utility model content
The purpose of this utility model is to provide bulb threaded anti-loosing structure in a kind of lock washer and automobile steering device, to solve
The certainly loosening problem of threadeding of tooth bar and ball-head tension rod.
This utility model is achieved through the following technical solutions:
A kind of lock washer, including lock washer body；Described lock washer body is provided with tooth bar perforation；
The both sides bored a hole at the described tooth bar of described lock washer body are provided with a plane；
Each described plane is provided with an axially extended protuberance along described lock washer body, respectively
It is the first protuberance and the second protuberance；
Be provided with along described lock washer body on the described lock washer at described tooth bar perforation two ends is axially extending
Protuberance, the respectively the 3rd protuberance and the 4th protuberance.
Described first protuberance, described lock washer body and described second protuberance form the first groove structure.
Described first protuberance along the axially extending direction of described lock washer body with described 3rd protuberance along described
Lock washer body axially extending in opposite direction.
Described 3rd lobe shape is the most identical with the form and dimension of described 4th protuberance.
The side that described 3rd protuberance and described 4th protuberance are bored a hole towards described tooth bar is inclined-plane.
Distance between top and the top of described 4th protuberance of described 3rd protuberance is bored a hole less than described tooth bar
Length.
Bulb threaded anti-loosing structure in a kind of automobile steering device, including the lock washer of any of the above-described, also includes tooth bar
And ball-head tension rod；Described tooth bar be provided with on described lock washer after boring a hole through described tooth bar in the side of the 3rd protuberance with
Described ball-head tension rod is threaded；
The end face laminating of described lock washer body and described ball-head tension rod；Described first protuberance protrudes with described second
Portion and described ball-head tension rod snap-fit engagement.
The beneficial effects of the utility model are:
The application is designed by the structure of lock washer so that tooth bar when through lock washer, the 3rd protuberance and the
Four protuberances form clamping to tooth bar and connect, and prevent tooth bar and lock washer relative motion；Meanwhile, the first protuberance and second convex
Go out portion and ball-head tension rod snap-fit engagement, effectively solve because the reason such as vibration or uneven road surface causes ball-head tension rod and tooth bar
Between the problem of threaded inefficacy, improve drive safety.
Accompanying drawing explanation
Fig. 1 is prior art steering assembly schematic diagram；
Fig. 2 is prior art tooth bar and ball-head tension rod fit structure schematic diagram；
Fig. 3 is this utility model anti-loosening gasket structure schematic diagram；
Fig. 4 is this utility model lock washer other direction structural representation；
Fig. 5 is bulb threaded anti-loosing structure schematic diagram in this utility model automobile steering device.
Description of reference numerals
1 gear shaft, 2 tooth bars, 3 ball-head tension rods, 01 lock washer, 02 tooth bar, 03 ball-head tension rod, 011 lock washer body,
012 tooth bar perforation, 013 first protuberance, 014 second protuberance, 015 the 3rd protuberance, 016 the 4th goes out portion.
Detailed description of the invention
Describing the technical solution of the utility model by the following examples in detail, below example is only exemplary
, it is only capable of for explaining and illustrate the technical solution of the utility model, and is not to be construed as technical solutions of the utility model
Restriction.
The application provides a kind of lock washer, as shown in Figure 3 and Figure 4, including lock washer body 011；Described locking
Tooth bar perforation 012 it is provided with on washer body 011；In this application, the material of lock washer can be rubber, plastics or gold
Belong to material, all can realize the technical scheme of the application.In this application, tooth bar perforation is rectangle, outside its shape is with tooth bar
Shape matches, and in the case of tooth bar does not improve, the shape of tooth bar perforation all coordinates with tooth bar；Even the shape of tooth bar is entered
Row improves, and the shape of tooth bar perforation coordinates with tooth bar the most all the time.
The both sides bored a hole at the described tooth bar of described lock washer body 011 are provided with a plane；It is provided with two
The lock washer body of plane is for matching with the end face of ball-head tension rod 03.
Each described plane is provided with an axially extended protuberance along described lock washer body 011,
It is respectively the first protuberance 013 and the second protuberance 014；First protuberance 013 and the second protuberance 014 are all with lock washer originally
Body 011 is vertical, and the first protuberance and the second protuberance are arcuate structure.
Described tooth bar bore a hole 012 two ends described lock washer on be provided with axially prolonging along described lock washer body
The protuberance stretched, the respectively the 3rd protuberance 015 and the 4th protuberance 016.
3rd protuberance 015 and the 4th protuberance 016 are respectively arranged at two broadside sides of rectangle tooth bar perforation.Described
3rd lobe shape is the most identical with the form and dimension of described 4th protuberance.
The side that described 3rd protuberance and described 4th protuberance are bored a hole towards described tooth bar is inclined-plane.
Distance between top and the top of described 4th protuberance of described 3rd protuberance is bored a hole less than described tooth bar
Length, so when tooth bar 02 penetrate tooth bar bore a hole 012 time, by the 3rd protuberance and the crimp of the 4th protuberance,
Make the 3rd protuberance and the 4th protuberance and tooth bar clamping.
Described first protuberance, described lock washer body and described second protuberance form the first groove structure.
Described first protuberance along the axially extending direction of described lock washer body with described 3rd protuberance along described
Lock washer body axially extending in opposite direction.
As it is shown in figure 5, bulb threaded anti-loosing structure in a kind of automobile steering device, including the lock washer of any of the above-described
01, also include tooth bar 02 and ball-head tension rod 03；Described tooth bar is provided with the side of the 3rd protuberance on described lock washer and wears
Threaded with described ball-head tension rod after crossing the perforation of described tooth bar.
The end face laminating of described lock washer body and described ball-head tension rod；Described first protuberance protrudes with described second
Portion and described ball-head tension rod snap-fit engagement.
The above is only the description of preferred implementation of utility model, it is noted that limited due to literal expression
Property, and objectively there is unlimited concrete structure, for those skilled in the art, without departing from this reality
On the premise of new principle, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as this utility model
Protection domain.
Claims (7)
1. a lock washer, it is characterised in that: include lock washer body；Described lock washer body is provided with tooth bar
Perforation；
The both sides bored a hole at the described tooth bar of described lock washer body are provided with a plane；
Each described plane is provided with an axially extended protuberance along described lock washer body, respectively
One protuberance and the second protuberance；
Be provided with along described lock washer body on the described lock washer at described tooth bar perforation two ends is axially extended convex
Go out portion, the respectively the 3rd protuberance and the 4th protuberance.
Lock washer the most according to claim 1, it is characterised in that: described first protuberance, described lock washer body
And described second protuberance forms the first groove structure.
Lock washer the most according to claim 1, it is characterised in that: described first protuberance is along described lock washer body
Axially extending in opposite direction along described lock washer body of axially extending direction and described 3rd protuberance.
Lock washer the most according to claim 1, it is characterised in that: described 3rd lobe shape protrudes with the described 4th
The form and dimension in portion is the most identical.
Lock washer the most according to claim 4, it is characterised in that: described 3rd protuberance and described 4th protuberance face
The side bored a hole to described tooth bar is inclined-plane.
Lock washer the most according to claim 5, it is characterised in that: the top of described 3rd protuberance is 4th convex with described
Go out the length less than the perforation of described tooth bar of the distance between the top in portion.
7. bulb threaded anti-loosing structure in an automobile steering device, it is characterised in that: include in the claims 1 to 6 arbitrary
The lock washer of item, also includes tooth bar and ball-head tension rod；Described tooth bar is provided with the 3rd protuberance on described lock washer
Threaded with described ball-head tension rod after boring a hole through described tooth bar in side；
The end face laminating of described lock washer body and described ball-head tension rod；Described first protuberance and described second protuberance with
Described ball-head tension rod snap-fit engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620816061.XU CN205858930U (en) | 2016-07-29 | 2016-07-29 | Bulb threaded anti-loosing structure in a kind of lock washer and automobile steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620816061.XU CN205858930U (en) | 2016-07-29 | 2016-07-29 | Bulb threaded anti-loosing structure in a kind of lock washer and automobile steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858930U true CN205858930U (en) | 2017-01-04 |
Family
ID=57653996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620816061.XU Expired - Fee Related CN205858930U (en) | 2016-07-29 | 2016-07-29 | Bulb threaded anti-loosing structure in a kind of lock washer and automobile steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205858930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985390A (en) * | 2017-11-17 | 2018-05-04 | 广东南利科技有限公司 | Ball head screw thread anti loosening structure in auto steering ware |
| CN114278661A (en) * | 2021-12-24 | 2022-04-05 | 贵州精立航太科技有限公司 | Locking type damping washer and machining and testing method thereof |
-
2016
- 2016-07-29 CN CN201620816061.XU patent/CN205858930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985390A (en) * | 2017-11-17 | 2018-05-04 | 广东南利科技有限公司 | Ball head screw thread anti loosening structure in auto steering ware |
| CN114278661A (en) * | 2021-12-24 | 2022-04-05 | 贵州精立航太科技有限公司 | Locking type damping washer and machining and testing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20190729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |