CN106394122B - A kind of steering front shaft that fist portion reinforces - Google Patents
A kind of steering front shaft that fist portion reinforces Download PDFInfo
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- CN106394122B CN106394122B CN201610790205.3A CN201610790205A CN106394122B CN 106394122 B CN106394122 B CN 106394122B CN 201610790205 A CN201610790205 A CN 201610790205A CN 106394122 B CN106394122 B CN 106394122B
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- flange
- front shaft
- longitudinal
- fist portion
- steering front
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- 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
- B60B35/02—Dead axles, i.e. not transmitting torque
- B60B35/06—Dead axles, i.e. not transmitting torque cranked
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
A kind of steering front shaft that fist portion reinforces, including preceding shaft body, steering front shaft fist portion and kingpin bore, the outer end of the preceding shaft body on the outside of arc transition and steering front shaft fist portion by being connected, the cross section in steering front shaft fist portion is enclosed ring structure, its radially outer flange for including, longitudinal front flange, radially inner flange, longitudinal the distance between rear flange and kingpin bore are followed successively by a, b, c, d, the radius of kingpin bore is r, and b+2r+d is greater than 2r+2a.The design can not only increase the wall thickness in steering front shaft fist portion, improve its mechanical strength, and can be improved space utilization rate, and increased weight is smaller.
Description
Technical field
It is specific to be applicable in the present invention relates to the steering front shaft that a kind of steering front shaft facility more particularly to a kind of fist portion are reinforced
In the mechanical strength for improving steering front shaft fist portion.
Background technique
Currently, steering front shaft fist portion passes through stub phase with knuckle in heavy-load automobile field especially engineering truck field
Connection, knuckle limit the outer dimension in steering front shaft fist portion with wheel left-right rotation, so, existing steering front shaft fist
The cross section in portion is generally circular in cross section, causes the wall thickness in steering front shaft fist portion smaller, and intensity is lower, when carload is big or road conditions
When complicated, steering front shaft needs to carry very big load, at this point, very great fluctuation process can occur for front axle load, preceding with road condition change
The load that axis fist portion is born easily is higher than design setting, so that the problem of intensity deficiency occurs in front axle fist portion, eventually leads to and turns
It cracks to front axle fist portion.
Chinese patent, Authorization Notice No. CN202368265U, authorized announcement date are the utility model on the 8th of August in 2012
Patent discloses a kind of automobile front axle, in I-shaped preceding shaft body and is symmetrically formed at the preceding shaft body both ends including section
Front axle fist shape portion is respectively provided with arc transition between the preceding shaft body and each front axle fist shape portion, the preferably described front axle
Main body includes integrated body top, lower body part and the main body linking part between the body top and lower body part,
The opposite flank of the main body linking part is respectively formed as arcwall face, and the main body linking part and the body top and lower body part
Bond sites be respectively formed with arc transiting surface.Although the design can be in the premise for not significantly increasing automobile front axle weight
Under, the bearing capacity of automobile front axle is effectively improved, but the cross section in steering front shaft fist portion is circle in the design, is still deposited
In the lesser defect of wall thickness, mechanical strength is lower, easily causes the accident of steering front shaft fist dehiscence in the head in use.
Summary of the invention
The purpose of the present invention is overcome the problems, such as smaller wall thickness existing in the prior art, the lower defect of mechanical strength and,
The steering front shaft that a kind of wall thickness is larger, the higher fist portion of mechanical strength reinforces is provided.
In order to achieve the above object, the technical solution of the invention is as follows: a kind of steering front shaft that fist portion reinforces, including it is preceding
The outer end of shaft body, steering front shaft fist portion and kingpin bore, the preceding shaft body passes through arc transition and steering front shaft fist
It is connected on the outside of portion, steering front shaft fist portion is hollow cylinder type, and at the middle part in steering front shaft fist portion
Offer the kingpin bore of perforation；
The cross section in steering front shaft fist portion is enclosed ring structure, which includes all for camber
Radially outer flange, longitudinal front flange, radially inner flange, longitudinal rear flange, the upper lateral part of the radially outer flange and longitudinal lordosis
The left side of edge is connected, and the right side of longitudinal front flange is connected with the upper lateral part of radially inner flange, under radially inner flange
Side is connected with the right side of longitudinal rear flange, and the left side of longitudinal rear flange is connected with the following side of radially outer flange；
Maximum radial spacing between the radially outer flange and the left side wall of kingpin bore is a, radially inner flange and stub
Maximum radial spacing between the right side wall in hole is c, the maximum longitudinal pitch between longitudinal front flange and the upper side wall of kingpin bore
For b, the maximum longitudinal pitch between longitudinal rear flange and the lower wall of kingpin bore is d, and the radius of kingpin bore is r, and b+2r+d
Greater than 2r+2a.
Range of the b+2r+d greater than 2r+2a is 5 millimeters to 15 millimeters.
Range of the b+2r+d greater than 2r+2a is 10 millimeters.
The numerical value of described b, d are equal, and the numerical value of a, c are equal, and b is greater than a.
The numerical value of described a, c are equal, and b is greater than d, and d is greater than a.
The longitudinal direction front flange, radially outer flange junction be provided with the upper left arc carrier an of indent, it is longitudinal
Front flange, radially inner flange junction be provided with the upper right arc carrier an of indent.
The radian of the upper right arc carrier is greater than the radian of upper left arc carrier.
The longitudinal direction rear flange, radially outer flange junction be provided with the lower-left arc carrier an of evagination, it is longitudinal
Rear flange, radially inner flange junction be provided with the bottom right arc carrier an of evagination.
The radian of the lower-left arc carrier is less than bottom right arc carrier.
Compared with prior art, the invention has the benefit that
1, in the steering front shaft that a kind of fist portion of the present invention reinforces, the cross section in steering front shaft fist portion is enclosed ring
Shape structure, radially outer flange, longitudinal front flange, radially inner flange, longitudinal rear flange in the ring structure and between kingpin bore
Spacing be a, b, c, d, wherein b+2r+d be steering front shaft fist portion on dangerouse cross-section longitudinal length, when b+2r+d is greater than
When 2r+2a, the longitudinal length of dangerouse cross-section is extended, and thickness is increased, and the section factor of dangerouse cross-section gets a promotion, and is turned to
The mechanical strength in front axle fist portion increases therewith, to effectively avoid the accident to crack in use.Therefore, in the present invention
The wall thickness in steering front shaft fist portion is larger, and mechanical strength is higher.
2, in the steering front shaft that a kind of fist portion of the present invention reinforces, emphasize that b+2r+d is greater than 2r+2a, it is extended be steering before
Axis fist portion in longitudinal length, this is because wheel steering angle be it is big outward, it is small inwardly, so fist portion longitudinal space ratio
More rich, outstanding others front space is more, therefore in the length for longitudinally extending fist portion, can not only enhance the machine in fist portion
Tool intensity, and can be improved the utilization rate of fist portion peripheral space, especially when b is greater than d, and d is greater than a, better effect.Cause
This, the present invention can not only enhance the mechanical strength in steering front shaft fist portion, and can be improved space utilization rate.
3, in the steering front shaft that a kind of fist portion of the present invention reinforces, range of the b+2r+d greater than 2r+2a is 5 millimeters to 15 millis
Rice, which can not only enhance the mechanical strength in steering front shaft fist portion, and define the extended range of longitudinal length, make
Obtain the increased quality very little for entire front axle assembly in steering front shaft fist portion occurred with it.Therefore, this hair
Bright increased weight very little, sexual valence are relatively high.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Structural schematic diagram when Fig. 2 is b=d in the present invention.
Structural schematic diagram when Fig. 3 is b > d in the present invention.
In figure: preceding shaft body 1, arc transition 11, steering front shaft fist portion 2, kingpin bore 3, radially outer flange 4, longitudinal direction
Front flange 5, upper left arc carrier 51, upper right arc carrier 52, radially inner flange 6, longitudinal rear flange 7, lower-left arc are held
Socket part 71, bottom right arc carrier 72；
Maximum radial spacing between radially outer flange 4 and the left side wall of kingpin bore 3 is a, longitudinal front flange 5 and kingpin bore
Maximum longitudinal pitch between 3 upper side wall is b, the maximum radial spacing between radially inner flange 6 and the right side wall of kingpin bore 3
For c, the maximum longitudinal pitch between longitudinal rear flange 7 and the lower wall of kingpin bore 3 is d, and the radius of kingpin bore 3 is r.Exist herein
The orientation of upper and lower, left and right used in description, be all subject in Fig. 1 labelled in orientation diagram.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.
Referring to Fig. 1 to Fig. 3, the steering front shaft that a kind of fist portion reinforces, including preceding shaft body 1, steering front shaft fist portion 2 with
The outer end of kingpin bore 3, the preceding shaft body 1 is connected by arc transition 11 with the outside in steering front shaft fist portion 2, described
Steering front shaft fist portion 2 is hollow cylinder type, and offers the kingpin bore of perforation at the middle part in steering front shaft fist portion 2
3；
The cross section in steering front shaft fist portion 2 is enclosed ring structure, which includes all for camber
Radially outer flange 4, longitudinal front flange 5, radially inner flange 6, longitudinal rear flange 7, the upper lateral part of the radially outer flange 4 and vertical
The left side of forward flanges 5 is connected, and the right side of longitudinal front flange 5 is connected with the upper lateral part of radially inner flange 6, and diameter is inside
The following side of flange 6 is connected with the right side of longitudinal rear flange 7, under the left side of longitudinal rear flange 7 and radially outer flange 4
Side is connected；
Maximum radial spacing between the radially outer flange 4 and the left side wall of kingpin bore 3 is a, radially inner flange 6 and master
Maximum radial spacing between the right side wall of pin hole 3 is c, and the maximum between longitudinal front flange 5 and the upper side wall of kingpin bore 3 is longitudinal
Spacing is b, and the maximum longitudinal pitch between longitudinal rear flange 7 and the lower wall of kingpin bore 3 is d, and the radius of kingpin bore 3 is r, and
B+2r+d is greater than 2r+2a.
Range of the b+2r+d greater than 2r+2a is 5 millimeters to 15 millimeters.
Range of the b+2r+d greater than 2r+2a is 10 millimeters.
The numerical value of described b, d are equal, and the numerical value of a, c are equal, and b is greater than a.
The numerical value of described a, c are equal, and b is greater than d, and d is greater than a.
It is described longitudinal direction front flange 5, radially outer flange 4 junction be provided with the upper left arc carrier 51 an of indent,
Longitudinal front flange 5, radially inner flange 6 junction be provided with the upper right arc carrier 52 an of indent.
The radian of the upper right arc carrier 52 is greater than the radian of upper left arc carrier 51.
It is described longitudinal direction rear flange 7, radially outer flange 4 junction be provided with the lower-left arc carrier 71 an of evagination,
Longitudinal rear flange 7, radially inner flange 6 junction be provided with the bottom right arc carrier 72 an of evagination.
The radian of the lower-left arc carrier 71 is less than bottom right arc carrier 72.
The principle of the present invention is described as follows:
In the prior art, it since the cross section in steering front shaft fist portion is circular design, is influenced by arrangement space, integral wall
Thick smaller, mechanical strength is lower, easy to crack in use.The present invention has abandoned circular design in the prior art, before steering
Space between axis and knuckle extends its longitudinal length (i.e. b+2r+d is greater than 2r+2a), has thickened steering front shaft fist portion
Dangerouse cross-section increases the section factor of dangerouse cross-section, improves its mechanical strength, avoids rupturing using middle.Meanwhile it is vertical
Extension to length, utilize be steering front shaft fist portion periphery excess room (wheel steering angle be it is big outward, inwardly
Small, so the space of fist portion longitudinal direction is more, the space of especially front side is more), the assembly of remaining components will not both be generated
It interferes, moreover it is possible to improve the utilization rate of existing space.
Embodiment 1:
Referring to Fig. 1 to Fig. 3, the steering front shaft that a kind of fist portion reinforces, including preceding shaft body 1, steering front shaft fist portion 2 with
The outer end of kingpin bore 3, the preceding shaft body 1 is connected by arc transition 11 with the outside in steering front shaft fist portion 2, described
Steering front shaft fist portion 2 is hollow cylinder type, and offers the kingpin bore of perforation at the middle part in steering front shaft fist portion 2
3；
The cross section in steering front shaft fist portion 2 is enclosed ring structure, which includes all for camber
Radially outer flange 4, longitudinal front flange 5, radially inner flange 6, longitudinal rear flange 7, the upper lateral part of the radially outer flange 4 and vertical
The left side of forward flanges 5 is connected, and the right side of longitudinal front flange 5 is connected with the upper lateral part of radially inner flange 6, and diameter is inside
The following side of flange 6 is connected with the right side of longitudinal rear flange 7, under the left side of longitudinal rear flange 7 and radially outer flange 4
Side is connected；
Maximum radial spacing between the radially outer flange 4 and the left side wall of kingpin bore 3 is a, radially inner flange 6 and master
Maximum radial spacing between the right side wall of pin hole 3 is c, and the maximum between longitudinal front flange 5 and the upper side wall of kingpin bore 3 is longitudinal
Spacing is b, and the maximum longitudinal pitch between longitudinal rear flange 7 and the lower wall of kingpin bore 3 is d, and the radius of kingpin bore 3 is r, and
B+2r+d is greater than 2r+2a.
Embodiment 2:
Basic content with embodiment 1, the difference is that:
Range of the b+2r+d greater than 2r+2a is 5 millimeters to 15 millimeters, and range of the preferably b+2r+d greater than 2r+2a is
10 millimeters.
Embodiment 3:
Basic content with embodiment 1, the difference is that:
The numerical value of described b, d are equal, and the numerical value of a, c are equal, and b is greater than a.The cross section in steering front shaft fist portion 2 at this time
It is approximately ellipse.
Embodiment 4:
Basic content with embodiment 1, the difference is that:
The numerical value of described a, c are equal, and b is greater than d, and d is greater than a.The cross section in steering front shaft fist portion 2 is approximately with ellipse at this time
A kind of deformation based on circle is being longitudinally dissymmetrical structure, which can preferably utilize steering front shaft fist portion 2
Front side excess room, the asymmetric design can promote 20% or so compared to circular design, security system.
Embodiment 5:
Basic content with embodiment 3, the difference is that:
It is described longitudinal direction front flange 5, radially outer flange 4 junction be provided with the upper left arc carrier 51 an of indent,
Longitudinal front flange 5, radially inner flange 6 junction be provided with the upper right arc carrier 52 an of indent.The upper right arc
The radian of shape carrier 52 is greater than the radian of upper left arc carrier 51.The design can be to longitudinal front flange 5 and diameter convex
The load of junction is buffered between edge 4, radially inner flange 6, avoids damaging.
Embodiment 6:
Basic content with embodiment 4, the difference is that:
It is described longitudinal direction rear flange 7, radially outer flange 4 junction be provided with the lower-left arc carrier 71 an of evagination,
Longitudinal rear flange 7, radially inner flange 6 junction be provided with the bottom right arc carrier 72 an of evagination.The lower-left arc
The radian of shape carrier 71 is less than bottom right arc carrier 72.The design can be to longitudinal rear flange 7 and radially outer flange 4, diameter
The load of junction is buffered between inward flange 6, avoids damaging.
Claims (8)
1. the steering front shaft that a kind of fist portion reinforces, including preceding shaft body (1), steering front shaft fist portion (2) and kingpin bore (3),
The outer end of the preceding shaft body (1) on the outside of arc transition (11) and steering front shaft fist portion (2) by being connected, and described turn
It is hollow cylinder type to front axle fist portion (2), and offers the stub of perforation in the middle part of steering front shaft fist portion (2)
Hole (3), it is characterised in that:
The cross section in steering front shaft fist portion (2) is enclosed ring structure, which includes all for camber
Radially outer flange (4), longitudinal front flange (5), radially inner flange (6), longitudinal rear flange (7), the radially outer flange (4) it is upper
Side is connected with the left side of longitudinal front flange (5), the right side of longitudinal front flange (5) and the upside of radially inner flange (6)
Portion is connected, and the following side of radially inner flange (6) is connected with the right side of longitudinal rear flange (7), a left side for longitudinal rear flange (7)
Side is connected with the following side of radially outer flange (4)；
Maximum radial spacing between the radially outer flange (4) and the left side wall of kingpin bore (3) is a, radially inner flange (6) with
Maximum radial spacing between the right side wall of kingpin bore (3) is c, between longitudinal front flange (5) and the upper side wall of kingpin bore (3)
Maximum longitudinal pitch is b, and the maximum longitudinal pitch between longitudinal rear flange (7) and the lower wall of kingpin bore (3) is d, kingpin bore
(3) radius is r, and b+2r+d is greater than 2r+2a；Range of the b+2r+d greater than 2r+2a is 5 millimeters to 15 millimeters.
2. the steering front shaft that a kind of fist portion according to claim 1 reinforces, it is characterised in that: the b+2r+d is greater than 2r
The range of+2a is 10 millimeters.
3. the steering front shaft that a kind of fist portion according to claim 1 or 2 reinforces, it is characterised in that: the numerical value of described b, d
Equal, the numerical value of a, c are equal, and b is greater than a.
4. the steering front shaft that a kind of fist portion according to claim 1 or 2 reinforces, it is characterised in that: the numerical value of described a, c
Equal, b is greater than d, and d is greater than a.
5. the steering front shaft that a kind of fist portion according to claim 1 or 2 reinforces, it is characterised in that: the longitudinal direction lordosis
Edge (5), radially outer flange (4) junction be provided with the upper left arc carrier (51) an of indent, longitudinal front flange (5),
The junction of radially inner flange (6) is provided with the upper right arc carrier (52) an of indent.
6. the steering front shaft that a kind of fist portion according to claim 5 reinforces, it is characterised in that: the upper right arc is accepted
The radian in portion (52) is greater than the radian of upper left arc carrier (51).
7. the steering front shaft that a kind of fist portion according to claim 1 or 2 reinforces, it is characterised in that: convex behind the longitudinal direction
Edge (7), radially outer flange (4) junction be provided with the lower-left arc carrier (71) an of evagination, longitudinal rear flange (7),
The junction of radially inner flange (6) is provided with the bottom right arc carrier (72) an of evagination.
8. the steering front shaft that a kind of fist portion according to claim 7 reinforces, it is characterised in that: the lower-left arc is accepted
The radian in portion (71) is less than bottom right arc carrier (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610790205.3A CN106394122B (en) | 2016-08-31 | 2016-08-31 | A kind of steering front shaft that fist portion reinforces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610790205.3A CN106394122B (en) | 2016-08-31 | 2016-08-31 | A kind of steering front shaft that fist portion reinforces |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106394122A CN106394122A (en) | 2017-02-15 |
| CN106394122B true CN106394122B (en) | 2018-12-07 |
Family
ID=58000700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610790205.3A Active CN106394122B (en) | 2016-08-31 | 2016-08-31 | A kind of steering front shaft that fist portion reinforces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106394122B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3804467A (en) * | 1971-07-01 | 1974-04-16 | Lear Siegler Inc | Front axle |
| DE102007025684A1 (en) * | 2007-06-01 | 2008-04-30 | Daimler Ag | Steerable axle i.e. steerable front axle, for motor vehicle, has steering spindle standing in effective connection with steering gear that is fastened at axle body, and passage opening of axle body running in axle transverse direction |
| CN103260900A (en) * | 2010-12-14 | 2013-08-21 | 亨德里克森美国有限责任公司 | Head plate for vehicle axle |
| CN206124625U (en) * | 2016-08-31 | 2017-04-26 | 东风商用车有限公司 | Fist portion strengthens turns to front axle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101553993B1 (en) * | 2014-03-11 | 2015-09-30 | ( 주 ) 화신 | Hollow type axle for vehicle for rigidity reinforcement |
-
2016
- 2016-08-31 CN CN201610790205.3A patent/CN106394122B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3804467A (en) * | 1971-07-01 | 1974-04-16 | Lear Siegler Inc | Front axle |
| DE102007025684A1 (en) * | 2007-06-01 | 2008-04-30 | Daimler Ag | Steerable axle i.e. steerable front axle, for motor vehicle, has steering spindle standing in effective connection with steering gear that is fastened at axle body, and passage opening of axle body running in axle transverse direction |
| CN103260900A (en) * | 2010-12-14 | 2013-08-21 | 亨德里克森美国有限责任公司 | Head plate for vehicle axle |
| CN206124625U (en) * | 2016-08-31 | 2017-04-26 | 东风商用车有限公司 | Fist portion strengthens turns to front axle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106394122A (en) | 2017-02-15 |
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