CN207311595U - A kind of king-pin structure for steering knuckle - Google Patents
A kind of king-pin structure for steering knuckle Download PDFInfo
- Publication number
- CN207311595U CN207311595U CN201721299187.5U CN201721299187U CN207311595U CN 207311595 U CN207311595 U CN 207311595U CN 201721299187 U CN201721299187 U CN 201721299187U CN 207311595 U CN207311595 U CN 207311595U
- Authority
- CN
- China
- Prior art keywords
- king
- stub
- knuckle
- screw thread
- conical 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.)
- Expired - Fee Related
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
A kind of king-pin structure for steering knuckle, it includes：Knuckle, section fork, king pin and drive shaft, wherein：The drive shaft is passed through from the inside of the knuckle vertically, and the section fork has respectively up and down：Upper mounting surface and upper screwed hole thereon, lower mounting surface and lower threaded hole thereon；And the king pin includes：The upper screw thread stub being threadedly coupled between the upper screwed hole, and the lower screw thread stub being threadedly coupled between the lower threaded hole, it solves the passability of drive shaft by split type stub, avoids stub and interferes with drive shaft；Stub uses Design of Screw Thread, ensures the connection reliability of stub.
Description
Technical field
The utility model is on a kind of king-pin structure for steering knuckle.
Background technology
Knuckle is the hinge of wheel steering, generally in fork-shaped.Upper and lower two fork has two coaxial apertures of installation stub, turns to
Two ears of pin hole are connected by stub with the fist shape part at front axle both ends on section, allow front-wheel around stub deflect certain angle and
Make motor turning.In order to reduce abrasion, knuckle pin hole internal pressure enters bronze bushing, oil of the lubrication on knuckle of bushing
Mouth injects grease lubrication.
Stub is the Step Shaft of a processing, for connecting knuckle and front axle fist row part, makes knuckle can be around its turn
It is dynamic to realize wheel steering.
In the prior art, monoblock type stub can not realize drive shaft in knuckle internal run-through, i.e., can not realize that driving turns
To function.Using casing slip bearing arrangement, knuckle steering resistance is big, is unfavorable for ease of steering, using grease lubrication, lubrication
Effect is poor, and maintenance interval time is short, and without the sealed storage chamber of lubricating grease, lubricating grease is easily contaminated, is unfavorable for bearing lubrication.
Utility model content
The purpose of this utility model is to solve the passability of drive shaft, avoids stub and interferes with drive shaft, ensures stub
Connection reliability, improve bearing service life.
To realize above-mentioned technical purpose, the utility model provides a kind of king-pin structure for steering knuckle, it includes：Turn to
Section, section fork, king pin and drive shaft, wherein：The drive shaft is passed through from the inside of the knuckle vertically, the section
Fork has respectively up and down：Upper mounting surface and upper screwed hole thereon, lower mounting surface and lower threaded hole thereon；And the knuckle
Stub includes：The upper screw thread stub being threadedly coupled between the upper screwed hole, and be threadedly coupled between the lower threaded hole
Lower screw thread stub.
As a further improvement, the top of the upper screw thread stub matches for turret head and with the inner ring of upper conical bearing
Close, the top of the lower screw thread stub is engaged for turret head and with the inner ring of lower conical bearing.
As a further improvement, the outside of the upper screw thread stub has to fix through fastening bolt and the knuckle and connects
The upper cover plate connect, the outside of the lower screw thread stub have the lower cover being fixedly connected through fastening bolt with the knuckle.
As a further improvement, there is lubricating nozzle on the upper cover plate and the lower cover.
As a further improvement, it is axial arranged between the upper conical bearing and the upper cover plate to have spacer ring.
As a further improvement, there is upper adjust pad between the upper surface of the spacer ring and the upper conical bearing,
There is lower adjust pad between the lower face of the lower cover and the lower conical bearing.
As a further improvement, it is disposed with oil sealing group between the lower face of the upper conical bearing and the section fork
Part, lower Oil sealing assembly is disposed between the upper surface of the lower conical bearing and the section fork.
As a further improvement, the coning angle of the upper conical bearing is between 10 ° -19 °, the lower conical bearing
Coning angle is between 25 ° -29 °.
The utility model solves the passability of drive shaft by split type stub, avoids stub and interferes with drive shaft；
Stub uses Design of Screw Thread, ensures the connection reliability of stub；Sliding bearing is replaced using to row tapered roller bearing, is dropped significantly
The low rotary resistance of knuckle, improves the handling of vehicle；Lower conical bearing uses auger corner structure, improves steering
The bearing capacity of section；Lubricating oil is stored using the seal cavity of oil sealing and end cap composition, oil lubrication instead of traditional grease lubrication, carry
High lubricant effect, extends maintenance cycle, improves bearing service life.
Brief description of the drawings
Fig. 1 is the utility model section connection diagram.
Reference numeral：1- knuckles, 2- section forks, 3- upper cover plates, the upper screw thread main pins of 4-, the upper conical bearings of 5-, 6- spacer rings,
7- fastening bolts, the upper adjust pads of 8-, 9- lower covers, screw thread main pin under 10-, conical bearing under 11-, adjust pad under 12-,
13- grease fittings, the upper Oil sealing assemblies of 14-, Oil sealing assembly under 15-, 16- drive shafts.
Embodiment
As shown in Figure 1, utility model provides a kind of king-pin structure for steering knuckle, it includes：Knuckle 1, section fork 2, turn
To section stub and drive shaft 16, wherein：The drive shaft 16 is passed through from the inside of the knuckle 1 vertically, on the section fork 2
It is lower to have respectively：Upper mounting surface and upper screwed hole thereon, lower mounting surface and lower threaded hole thereon；And the king pin
Including：The upper screw thread stub 4 being threadedly coupled between the upper screwed hole, and be threadedly coupled down between the lower threaded hole
Screw thread stub 10.
As a further improvement, the top of the upper screw thread stub 4 for turret head and with the inner ring phase of upper conical bearing 5
Coordinate, the top of the lower screw thread stub 10 is engaged for turret head and with the inner ring of lower conical bearing 11.
As a further improvement, the outside of the upper screw thread stub 4 has solid through fastening bolt 7 and the knuckle 1
Surely the upper cover plate 3 connected, the outside of the lower screw thread stub 10 have what is be fixedly connected through fastening bolt 7 with the knuckle 1
Lower cover 9.
As a further improvement, there is lubricating nozzle 13 on the upper cover plate 3 and the lower cover 9.
As a further improvement, it is axial arranged between the upper conical bearing 5 and the upper cover plate 3 to have spacer ring 6.
As a further improvement, there is upper adjust pad between the upper surface of the spacer ring 6 and the upper conical bearing 5
8, there is lower adjust pad 12 between the lower cover 9 and the lower face of the lower conical bearing 11.
As a further improvement, it is disposed with oil sealing group between the lower face of the upper conical bearing 5 and the section fork 2
Part 14, lower Oil sealing assembly 15 is disposed between the upper surface of the lower conical bearing 11 and the section fork 2.
As a further improvement, the coning angle of the upper conical bearing 5 is between 10 ° -19 °, the lower conical bearing
11 coning angle is between 25 ° -29 °.
The utility model solves the passability of drive shaft by split type stub, avoids stub and interferes with drive shaft；
Stub uses Design of Screw Thread, ensures the connection reliability of stub；Sliding bearing is replaced using to row tapered roller bearing, is dropped significantly
The low rotary resistance of knuckle, improves the handling of vehicle；Lower conical bearing uses auger corner structure, improves steering
The bearing capacity of section；Lubricating oil is stored using the seal cavity of oil sealing and end cap composition, oil lubrication instead of traditional grease lubrication, carry
High lubricant effect, extends maintenance cycle, improves bearing service life.
In the utility model, which uses Split type structure, and breakaway-element stub can ensure drive shaft 16 from turning
Passed through to section is internal, be divided into upper and lower two stubs, screw thread is processed on upper screw thread stub 4, using screw thread and the screw thread on section fork 2
Hole connects, and is threadedly coupled and ensures that connection is reliable.The turret head processed on stub is used for stub and pitches tightening for threaded hole with section.
The knuckle, as rotational structure, substantially reduces the rotation resistance of knuckle using upper and lower two taper roll bearings
Power；Between 10 ° -19 °, lower 11 coning angle of conical bearing can be born upper 5 coning angle of conical bearing between 25 ° -29 °
Big load.
Oil sealing assembly is formed with seal cavity with cover board, and filling lubricating oil by grease fitting 13 enters cavity guarantee bearing
Lubrication.Spacer ring 6 adjusts the pre- of bearing between upper cover plate 3 and upper conical bearing 5, by adjusting 8 suitable thickness of gasket
Clamp force.
The utility model split stub and stub use helicitic texture, ensure that stub connection is reliable, to row circular cone
The application of roller bearing greatly reduces the rotary resistance of knuckle, is conducive to the raising of Vehicular turn maneuvering performance；Lower bearing
Using big cone angle scheme, the bearing capacity of knuckle is improved；Lubricating oil is stored using the seal cavity of oil sealing and end cap composition,
Oil lubrication instead of grease lubrication, improve lubricant effect, extend maintenance cycle.
It should be appreciated that the utility model scope of the claimed is not limited to non-limiting embodiments, it should be understood that non-limiting reality
Scheme is applied to illustrate as just example.The desired substantive protection domain of the application is more embodied in independent claims
The scope of offer, and its dependent claims.
Claims (8)
1. a kind of king-pin structure for steering knuckle, it includes：Knuckle (1), section fork (2), king pin and drive shaft (16),
It is characterized in that：
The drive shaft (16) passes through from the inside of the knuckle (1) vertically, and the section fork (2) has respectively up and down：On
Mounting surface and upper screwed hole thereon, lower mounting surface and lower threaded hole thereon；And
The king pin includes：The upper screw thread stub (4) being threadedly coupled between the upper screwed hole, and with the lower spiral shell
The lower screw thread stub (10) being threadedly coupled between pit.
A kind of 2. king-pin structure for steering knuckle as claimed in claim 1, it is characterised in that：The upper screw thread stub (4)
Top turret head and to be engaged with the inner ring of upper conical bearing (5), the top of the lower screw thread stub (10) for turret head simultaneously
It is engaged with the inner ring of lower conical bearing (11).
A kind of 3. king-pin structure for steering knuckle as claimed in claim 2, it is characterised in that：The upper screw thread stub (4)
Outside has the upper cover plate (3) being fixedly connected through fastening bolt (7) with the knuckle (1), the lower screw thread stub (10)
Outside has the lower cover (9) being fixedly connected through fastening bolt (7) with the knuckle (1).
A kind of 4. king-pin structure for steering knuckle as claimed in claim 3, it is characterised in that：The upper cover plate (3) and described
There is lubricating nozzle (13) on lower cover (9).
A kind of 5. king-pin structure for steering knuckle as claimed in claim 4, it is characterised in that：The upper conical bearing (5) with
It is axial arranged between the upper cover plate (3) to have spacer ring (6).
A kind of 6. king-pin structure for steering knuckle as claimed in claim 5, it is characterised in that：The spacer ring (6) with it is described on
There is upper adjust pad (8), the lower cover (9) and the lower conical bearing (11) between the upper surface of conical bearing (5)
There is lower adjust pad (12) between lower face.
A kind of 7. king-pin structure for steering knuckle as claimed in claim 6, it is characterised in that：The upper conical bearing (5)
Be disposed with Oil sealing assembly (14) between lower face and the section fork (2), the upper surface of the lower conical bearing (11) with it is described
Lower Oil sealing assembly (15) is disposed between section fork (2).
A kind of 8. king-pin structure for steering knuckle as claimed in claim 7, it is characterised in that：The upper conical bearing (5)
Coning angle is between 10 ° -19 °, and the coning angle of the lower conical bearing (11) is between 25 ° -29 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299187.5U CN207311595U (en) | 2017-10-10 | 2017-10-10 | A kind of king-pin structure for steering knuckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299187.5U CN207311595U (en) | 2017-10-10 | 2017-10-10 | A kind of king-pin structure for steering knuckle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207311595U true CN207311595U (en) | 2018-05-04 |
Family
ID=62429620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721299187.5U Expired - Fee Related CN207311595U (en) | 2017-10-10 | 2017-10-10 | A kind of king-pin structure for steering knuckle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207311595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498477A (en) * | 2020-12-11 | 2021-03-16 | 湖北航天技术研究院特种车辆技术中心 | Steering knuckle assembly |
-
2017
- 2017-10-10 CN CN201721299187.5U patent/CN207311595U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498477A (en) * | 2020-12-11 | 2021-03-16 | 湖北航天技术研究院特种车辆技术中心 | Steering knuckle assembly |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20201010 |