CN108275199A - A kind of vehicle of setting low pressure line structure through walls - Google Patents
A kind of vehicle of setting low pressure line structure through walls Download PDFInfo
- Publication number
- CN108275199A CN108275199A CN201810106132.0A CN201810106132A CN108275199A CN 108275199 A CN108275199 A CN 108275199A CN 201810106132 A CN201810106132 A CN 201810106132A CN 108275199 A CN108275199 A CN 108275199A
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- low pressure
- vehicle
- rubber body
- fittings body
- partition board
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/14—Steering gears hydraulic
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The present invention provides a kind of vehicles,Hydraulic power steering system is set on the vehicle,The hydraulic power steering system includes dynamic hydraulic system and handling maneuver leverage,Low pressure line structure through walls including hydraulic system,The low pressure line structure through walls (6) includes fittings body (7),It takes over (8),Sealing ring (9),Nut (10) and washer (11),Fittings body (7) passes through partition board (14) trepanning,The washer (11) and nut (10) are set on fittings body (7) and are located at the first side and the second side of partition board (14),Annular protrusion is set on the outside of the fittings body (7) of the second side,Washer (11) both sides bear against annular protrusion institute and partition board (14),Nut (19) is in the second side against partition board (14),There is sealing ring (9) in fittings body (7) both ends end face and takes over (8),(8) are taken over to connect with low pressure hose (12),There is clip (13) in low pressure hose (12) end.Low pressure line sealing structure through walls of the present invention is reliable, and connection is firm, convenient for disassembly and assembly；Low pressure hose length of pipe and moves towards flexible arrangement freedom instead of prefabricated profiled metal tube and pipe fitting, and hydraulic unit is allowed to have certain position adjustment amount.
Description
Technical field
The present invention relates to a kind of vehicles, and in particular to a kind of vehicle with steering structure and low pressure line structure.
Background technology
Often there is the case where needing connection through walls, existing low pressure structure through walls in hydraulic system pipeline arrangement on vehicle
Mainly there are the prefabricated welding forming connection of thin metallic tubd or the connection method of low-pressure hose and pipe fitting compression moulding, requires and carry
It is preceding tube to tubesheet is shaped after scene be mounted directly.It is shaped after the position of hydraulic unit or wall-through hole changes
Pipe often because length not enough or shape not pair due to can not install, low pressure line is mostly used fabric hose and carries out joint connection in site at present,
Hydraulic unit is allowed to have certain position adjustment amount, and first two installation method all underactions are free, are not suitable in structure
Scene determines pipeline trend and length, using the installation form of low pressure fabric hose.
In wheeled vehicle traveling and steering procedure, the impact vibration on ground is easy to make the company through walls of hydraulic power steering system
Existing loose phenomenon is picked out, and simultaneously as the ball stud in handling maneuver leverage is swung and vibration is frequent, the spherical shape of ball stud
Wearing and gap occur easily occur in mating surface, reduces ball stud service life, and the precision of Vehicular turn is influenced when gap is larger
And control stability.To improve the operating condition of ball stud, abrasion is reduced, lubricating grease, bulb are coated in ball stud mating surface
Dirt-proof boot is housed between pin and ball seat body, prevents the foreign matters such as dust from entering mating surface, the service life of ball stud can be improved.It is existing anti-
Dirt set is primarily present amount of tension deficiency, is only applicable to the smaller ball stud of pivot angle range；Poor performance at low temperatures, severe cold area are easy to crack
Breakage, service life are low；It is not firm with the connection of ball seat body, the shortcomings of easily loosening.
To solve the above problems, the use for meeting hydraulic system low-pressure hose installation requirement and turn inside diameter operation is wanted
It asks, a kind of vehicle of Novel structure need to be designed.
Invention content
To solve the above problem of the existing technology, a kind of simple in structure, flexible for installation, connection of present invention design is reliably
Low pressure line structure through walls hydraulic power steering and include the vehicle of corresponding handling maneuver leverage, specifically use following technology
Scheme：
Hydraulic power steering system is arranged, including dynamic hydraulic system and handling maneuver leverage, the power in a kind of vehicle
Hydraulic system include steering wheel, steering drive axle assembly, right angle gear box, intermediate steering drive axle assembly, hydraulic power steering machine,
Oil tank, steering pump and fluid pressure line, the handling maneuver leverage include left steering joint arm, secondary drag link, main drag link, ball stud
Assembly, pitman arm turn to idle rod, right turn joint arm.
In the hydraulic power steering system, hydraulic power steering machine and right angle gear box and intermediate steering drive axle connect,
Steering wheel is connect with steering drive axle assembly, and steering drive axle assembly is connect with right angle gear box, oil tank, steering pump, partition board and liquid
Pressure power turning machine is connected by fluid pressure line.Handling maneuver leverage passes through pitman arm and hydraulic power with dynamic hydraulic system
Turning machine output end is connected to become an entirety, turns to idle rod and is fixed on vehicle frame, knuckle arm is connect with wheel, left steering
Joint arm and pitman arm and secondary drag link connects, right turn joint arm with turn to idle rod and pair drag link is connect, pitman arm and
Idle rod and the connection of main drag link are turned to, each junction is respectively arranged with bulb pin assembly.
In the hydraulic power steering system, low pressure line structure through walls be mounted on dynamic hydraulic system oil return line every
Plate opening, dust cover are mounted on the bulb pin assembly of handling maneuver leverage.
A kind of vehicle, the structure through walls of hydraulic power steering system includes fittings body on the vehicle, is taken over, sealing ring,
Nuts and washers, fittings body pass through partition board trepanning, and the washer and nut are set on fittings body and are located at the of partition board
Annular protrusion is arranged in the fittings body outside of side and the second side, the second side, and the washer both sides bear against annular protrusion
Institute and partition board, in the second side against partition board, there is sealing ring in fittings body both ends end face and takes over nut, takes over and connects with low pressure hose
It connects, there is clip in low pressure hose end.
Preferably, the fittings body is right-angle type structure, both sides have screw thread, end to have stepped hole.
Preferably, the fittings body is straight-through structure, both sides have screw thread, end to have stepped hole.
Preferably, described take over has clip with low pressure hose junction.
Preferably, the sealing ring is O-ring seals.
Preferably, the Vehicular turn control linkage includes head pin dirt-proof boot, including rubber body, metal cranse
And fibrous layer, rubber body have metal cranse inside upper end, lower end is fluted, and the rubber body includes inner and outer wall, institute
It states and fibrous layer is set between inner and outer wall；
The fibrous layer includes multiple fibre strips, and the fibre strip is arranged around the center line of rubber body, described
Adjacent fibre strip is separated from each other；
Preferably, rubber body includes 2 outwardly projecting arc structures, between two outwardly projecting arc structures
Inwardly projecting arc structure is set；
Extend from outwardly projecting arc structure outermost end to both sides above and below rubber body, the interval of adjacent fibre strip
It gradually increases, extends from outwardly projecting arc structure outermost end to both sides above and below rubber body, between adjacent fibre strip
It is increasing every the amplitude gradually increased.
Preferably, rubber sleeve of the inwardly projecting arc structure inner terminal to the outermost end of outwardly projecting arc structure
The length of body is L, and S is divided between the fibre strip of the outermost end of outwardly projecting arc structureOutside, then apart from outwardly projecting circle
The outermost end of arc structure is that the fibre strip interval s rules of the positions l are as follows：S=b*SOutside+c*SOutside*(l/L)a, wherein a, b, c be
Coefficient meets following require：
1.08<a<1.13,0.98<b+c<1.02 0.49<b<0.65.
Preferably, fibre strip is oblique 45 ° arrangements along rubber body center line.
Compared with prior art, of the invention to have the following advantages：
1) vehicle of the invention uses new-type low pressure line structure through walls, and entire low pressure line sealing structure through walls can
It leans on, connection is firm, convenient for disassembly and assembly；Low pressure hose length of pipe and moves towards cloth instead of prefabricated profiled metal tube and pipe fitting
Flexible freedom is set, and hydraulic unit is allowed to have certain position adjustment amount.
2) steering ball of the present invention includes that head pin uses the fiber arranged in copolymerization glue material bound rubber with dirt-proof boot
Layer, is especially arranged fibre strip, common guarantee dirt-proof boot cryogenic property is excellent, can meet the requirement of severe cold area；
3) it by the difference of the spacing between the fibre strip of different location, and further determines through a large number of experiments
Best distance equation so that the stretching of rubber body and compressive strength reach optimum efficiency.
4) the tower overlaying structure of rubber body and many places are inside, outside orthodrome transition structure guarantee is dust-proof is cased with abundance
Stroke, be suitable for a wide range of pivot angle ball stud.
Description of the drawings
Fig. 1 is the steering vehicle schematic diagram of the present invention；
Fig. 2 is the low pressure line structural front view through walls of the present invention；
Fig. 3 is the through type structural schematic diagram through walls of the present invention；
Fig. 4 is to be taken over and low pressure hose connected mode schematic diagram in the present invention；
Fig. 5 is the dirt-proof boot three-dimensional structure diagram of the present invention；
Fig. 6 is the dirt-proof boot sectional view of the present invention；
Fig. 7 is the close-up schematic view of Fig. 6；
Fig. 8 is the dirt-proof boot fibrous layer schematic diagram of the present invention；
Fig. 9 is the close-up schematic view of Fig. 6；
Figure 10 is that the dirt-proof boot of the present invention installs view.
Wherein, 1- wheels, 2- knuckle arms, 3- pair drag links, 4- oil tanks, 5- steering pumps, 6- low pressure structure through walls, 7- connect
Head body, 8- take over, 9- sealing rings, 10- nuts, 11- washers, 12- low pressure hoses, 13- clips, 14- partition boards, 15- ball studs,
16- ball pin seats, 17- iron wires, 18- dirt-proof boots, 19- rubber bodies, 20- inner walls, 21- outer walls, 22- protrude circular arc, the recessed circles of 23-
Arc, 24- protrusion circular arcs, 25- metal cranses, 26- fibrous layers, 27- fibre strips, 28- steering idle rods, 29- fluid pressure lines,
The main drag links of 30-, 31- pitman arms, 32- hydraulic power steering machines, the centres 33- steering drive axle assembly, 34- steering wheels, 35-
Steering drive axle assembly, 36- right angle gear boxs.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with the accompanying drawings.
Herein, if without specified otherwise, it is related to formula, "/" indicates that division, "×", " * " indicate multiplication.
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the present invention's
Specific implementation mode is described in further detail.
As shown in Figure 1 to 4, the present invention provides a kind of vehicle, in the hydraulic power steering system of the wheel, hydraulic pressure
32 input shaft of power steer and 36 output shaft of right angle gear box are connected by intermediate steering drive axle 33, and steering wheel 34, which is mounted on, to be turned
To at the upper end splined shaft of driving-shaft assembly 36,35 lower end internal splined hole of steering drive axle assembly connects with 36 input shaft of right angle gear box
It connects, oil tank 4, steering pump 5, partition board 14 and hydraulic power steering machine 32 are connected by fluid pressure line 29.Handling maneuver leverage with it is dynamic
Power hydraulic system is connected to become an entirety by pitman arm 31 and 32 output end of hydraulic power steering device, turns to idle rod 28
One end is fixed on free to rotate on vehicle frame, and left steering joint arm 2 is connect with left side wheel 1, right turn joint arm 2 and right side wheels 1
Connection, left steering joint arm 2 are connect with pitman arm 31 by secondary drag link 3, and right turn joint arm 2 passes through pair with idle rod 28 is turned to
Drag link 3 connects, and pitman arm 31 is connect with idle rod 28 is turned to by main drag link 30, and each junction is respectively arranged with ball stud 15
Assembly.
In the vehicle of the hydraulic power steering system, low pressure line structure 6 through walls is mounted on dynamic hydraulic system oil return
Low pressure line structure 6 through walls, including fittings body 7, take over 8, sealing ring 9, spiral shell is arranged in 14 opening of partition board of pipeline, the vehicle
Mother 10, washer 11.7 Passscheiben 9 of fittings body is fixed after passing through 14 trepanning of partition board with nut 10,7 both ends end face step of fittings body
It is connect with take over 8 after sealing ring 9 is installed at hole, take over 8 connect with low pressure hose 12, there is clip 13 outside low pressure hose 12.
In above structure, fittings body 7 and partition board 14 are connected to become by an entirety, fittings body 7 by nut 10 and washer 9
Right angle end according to pipeline move towards can adjust direction, connect with low-pressure hose 12 with facilitating；Fittings body 7 and 8 connecting portion of take over
It equipped with sealing ring 9, seals, prevents from leaking；Outer radial has raised bulge on take over 8, after being connect with low pressure hose 12
It is clamped with clip 13, sealing function can be played, prevent from leaking, low pressure hose 12 can be also fixed, prevent it from falling off；Dismantle low pressure
When sebific duct 12, directly low pressure hose 12 is loosened after clip 13 is unscrewed.
It such as Fig. 3, is arranged and is moved towards according to pipeline, for convenience of being connect with low-pressure hose 12, fittings body 7 can also be changed to through type
Structure.
In above structure, washer 11 can also be changed to combination sealing pad, can play sealing function, can prevent gas or liquid
Enter the other side from 5 side of partition board.
In above structure, washer 11 can also be changed to brass washer, can play sealing function, can prevent gas or liquid from
5 side of partition board enters the other side.
In above structure, gasket 9 can also be changed to O-ring seals, and sealing effect is more preferable, replacement easy to install.
As shown in Figure 5-10, in the vehicle of the hydraulic power steering system, dust cover is mounted on handling maneuver leverage
On bulb pin assembly, ball stud dirt-proof boot 18, including rubber body 19, metal cranse 25 and fibrous layer 26, rubber sleeve
Body has metal cranse 25 inside 19 upper end, and lower end is fluted, and the rubber body 19 includes inner wall 20 and outer wall 21, the inner wall
Fibrous layer 26 is set between 20 and outer wall 21.
The present invention by rubber body 19 be arranged fibrous layer 26, fibrous layer 26 can be improved rubber body 19 stretching and
Compressive strength, not cracky are suitable for the ball stud of a wide range of pivot angle so that dust-proof be cased with sufficient stroke.
Metal cranse 25 ensures that 19 upper end endoporus of rubber body is unlikely to deform.
Preferably, as shown in fig. 6, the fibrous layer 26 includes multiple fibre strips 27, the fibre strip 27 is surround
(fibre strip is loop configuration, and the center of loop configuration is just at the center of rubber body 19 for the center line setting of rubber body 19
On line), the adjacent fibre strip 27 is separated from each other.
By the way that fibre strip 27 is arranged, fibre periphery is filled with to the rubber of rubber body 19, to further increase rubber
The stretching of gum cover body 19 and compressive strength improve the stroke of dirt-proof boot 18, increase the toughness of dirt-proof boot 18, it is made more to be applicable in
In the ball stud of a wide range of pivot angle.
Preferably, the central point of the fibre strip 27 is arranged on the center line between inner wall 20 and outer wall 21.For example,
Fibre strip cross section is round, and the circular center of circle is located on the center line between inner wall 20 and outer wall 21.
Pass through such setting so that fibre strip is located at the centre of rubber body 19, to ensure that wall stress is equal outside inner wall
It is even, improve the using effect of rubber body 19.
Preferably, rubber body 19 includes 2 outwardly projecting arc structures, it is protrusion circular arc 22 respectively as figure 5 illustrates
With 24, inwardly projecting arc structure is set between two outwardly projecting arc structures, as shown in figure 5, for recessed circular arc 23.
Preferably, from outwardly projecting arc structure outermost end A, B, C, D (outermost end for protruding circular arc 22 and 24)
Extend to about 19 both sides of rubber body, the spacing between adjacent fibre strip 27 gradually increases.For example, in outermost end A points
To topmost and inner terminal E points from A points to recessed circular arc, the spacing between adjacent fibre strip 27 gradually increases.I.e.
It is maximum in A points spacing, it is minimum in E points spacing.Similarly, to bottom and from C points to E points since C points, adjacent strip is fine
Spacing between dimension 27 gradually increases.
If fibre strip interval S is the function of the distance X apart from arc structure outermost end, then S=F (X), then F ' (X)>0,
Wherein F ' (X) is the first order derivative of F (X).
By the setting of 27 spacing of above-mentioned fibre strip, stretching and the compression that can further increase rubber body 19 are strong
Degree.It finds through a large number of experiments, such setting can improve at least 10% or more extensibility and compression ratio.
Preferably, extending from outwardly projecting arc structure outermost end to both sides above and below rubber body, adjacent strip
The amplitude that the interval of fiber gradually increases is increasing.
That is F " (X)>0, wherein F " (X) are the second derivatives of F (X).It is gradually increased by the interval of adjacent fibre strip
Amplitude setting, stretching and the compressive strength of rubber body 19 can be further increased.It finds through a large number of experiments, so
At least extensibility of 3-5% or more and compression ratio can be further increased by being arranged.
Preferably, inwardly projecting arc structure inner terminal to outwardly projecting arc structure outermost end (such as from A
To E or from C to E) rubber body length be L (i.e. arc length), outwardly projecting arc structure outermost end (such as
A, B, C, D) fibre strip between be divided into SOutside, then the outermost end apart from outwardly projecting arc structure is l (arc length) position
Fibre strip interval s rules it is as follows：S=b*SOutside+c*SOutside*(l/L)a, wherein a, b, c is coefficient, meets following require：
1.08<a<1.13,0.98<b+c<1.02 0.49<b<0.65.
Preferably, as l/L increases, a is gradually reduced.
Preferably, 1.10<a<1.11, b+c=1,0.53<b<0.58；
Length is L, and l is the length on the center line being subject between inner wall 20 and outer wall 21.
Above-mentioned empirical equation is to carry out a large amount of numerical simulation and experiment, is calculated by a large amount of data.
And further confirmation has also been obtained in an experiment.Pass through above-mentioned best formula so that fibre strip is distributed in rubber
Best stretching and compressive strength are obtained in body.
Preferably, the radius at the outermost end of the rubber body 19 is 8mm (such as tetra- points of ABCD in Figure 10), most
The radius of inner end is 8mm (such as tetra- points of EF in Figure 10), and the arc length between outermost end and inner terminal is 21mm, and top is most
Arc length of the outer end apart from upper end is 25mm, and the arc length of the outermost end of lower part apart from lower end is 12mm.
Inside by the tower overlaying structure of rubber body 19 and many places, outside orthodrome transition structure ensures dust-proof be cased with
Sufficient stroke is suitable for the ball stud of a wide range of pivot angle.
Preferably, from from the outermost end of rubber body 19 in the circular arc of the outermost end of rubber body 19 and inner terminal
At point, the radius of the circular arc constantly reduces.From the midpoint of the circular arc of the outermost end and inner terminal of rubber body 19 to circle
The radius of the inner terminal of arc, the circular arc constantly increases.
By the variation of above-mentioned arc radius, orthodrome transition structure can be further realized, ensures that dirt-proof boot 18 has and fills
The stroke of foot is suitable for the ball stud of a wide range of pivot angle.
Further preferably, to the circular arc of the outermost end and inner terminal of rubber body 19 from the outermost end of rubber body 19
Midpoint, the amplitude that the radius of the circular arc constantly reduces are continuously increased.From the outermost end of rubber body 19 and inner terminal
The midpoint of circular arc is to the inner terminal of circular arc, and constantly increased amplitude is continuously increased the radius of the circular arc.
By the increase of the amplitude of variation of above-mentioned arc radius, 5% or so stroke can be further increased, is ensured anti-
Dirt set 18 has sufficient stroke, is suitable for the ball stud of a wide range of pivot angle.
To the outermost end of the rubber body 19 nearest apart from lower end, the radius of the circular arc from the lower end of rubber body 19
It is continuous to increase.
Further preferably, constantly increased amplitude constantly increases the radius of the circular arc.
By above structure, 18 closed inner cavity of dirt-proof boot can store enough lubricating grease, ensure that ball stud 15 has well
Lubricating condition, improve ball stud 15 service life.Spacing between adjacent fibre strip is (1~2) mm, wherein being with phase
The distance of the central point in adjacent fibre strip section.
Further preferably, the spacing between the adjacent fibre strip 27 at the outermost end of rubber body 19 is preferably 1mm.
Preferably, fibre strip is arranged along 19 center line of rubber body for oblique certain angle.Preferably 30-60 degree
Setting, further preferably 45 degree settings.It is in tilted layout by fibre strip and ensures that rubber body 19 has in transverse direction and longitudinal direction
Identical tensile strength.
Preferably, 19 rubber material of rubber body is that homopolymerization glue, wall thickness (2~3) mm, centre have vulcanization fine altogether
Tie up layer 26.
Preferably, fibre strip cross section is circle.
Preferably, it is two layers that the fibre strip 27, which divides, every layer of fibre strip extending direction is parallel to each other, two layers
Fibre strip extending direction is orthogonal, as shown in Figure 6.
By increase double-layer structure, and double-layer structure be in net distribution, further increase rubber body 19 stretching and
Compressive strength.
The spacing of the fibre strip of the formula of front is exactly between the adjacent parallel fibre strip of every layer of fibre strip
Spacing.
19 rubber material of rubber body is that there are vulcanised fibre layer 26 in homopolymerization glue, wall thickness (2~3) mm, centre altogether, altogether homopolymerization glue
Vulcanised fibre layer 26 is added to be remarkably improved the low temperature performance of dirt-proof boot 18；Vulcanised fibre layer 26 is circumferential along rubber body 19 to be
Oblique 45 ° of arrangements ensure that rubber body 19 has enough intensity in radial direction and axially.
Rubber body 19 is 2 layered tower overlaying structures, using Rouno Cormer Pregrinding Wheel transition, ensures that dirt-proof boot 18 has enough strokes
And deflection, the requirement of a wide range of pivot angle ball stud can be met.
There are concave step hole and 2~3 rank sawtooth neckings, ball stud 15 can be smoothly from rubber sleeve inside 19 upper end of rubber body
19 upper end endoporus of body is pierced by, and ensures that 19 upper end of rubber body can be completely attached to the mating surface of ball stud 15 and connected piece,
Sealed reliable can prevent the foreign matters such as dust from entering from 18 upper end hole of dirt-proof boot.
19 lower end inner cavity of rubber body can store moderate lubrication fat, ensure constantly there is profit in the spherical mating surface of ball stud 15
Consistent lubricant improves working conditions, and reduces abrasion, improves the service life of ball stud 15.
As shown in figure 8, ball stud is after the 19 upper end endoporus of rubber body of dirt-proof boot 18 is pierced by, by 18 lower end of dirt-proof boot
Groove is mounted in the card slot in ball pin seat 16, is tied up with iron wire 17, dirt-proof boot 18 is convenient for disassembly and assembly, can be grasped without special tooling
Make.It can prevent dirt-proof boot 18 from being loosened from ball pin seat 16 after tying up, prevented also from foreign matters such as dusts from dirt-proof boot 18 and ball pin
Enter at the cooperation of seat 16.
Although the present invention has been disclosed in the preferred embodiments as above, present invention is not limited to this.Any art technology
Personnel can make various changes or modifications, therefore protection scope of the present invention is answered without departing from the spirit and scope of the present invention
When being subject to claim limited range.
Claims (9)
1. a kind of vehicle, hydraulic power steering system is set, the hydraulic power steering system includes that power turns on the vehicle
To system and handling maneuver leverage, the power steering system includes low pressure line structure through walls, the low pressure line knot through walls
Structure (6) includes fittings body (7), is taken over (8), sealing ring (9), nut (10) and washer (11), and fittings body (7) passes through partition board (14)
Trepanning, the washer (11) and nut (10) are set on fittings body (7) and are located at the first side and second of partition board (14)
Side, is arranged annular protrusion on the outside of the fittings body (7) of the second side, washer (11) both sides bear against annular protrusion institute and
Partition board (14), in the second side against partition board (14), there is sealing ring (9) in fittings body (7) both ends end face and takes over (8) nut (10),
It takes over (8) to connect with low pressure hose (12), there is clip (13) in low pressure hose (12) end.
2. vehicle as described in claim 1, which is characterized in that the fittings body (7) is right-angle type structure, and there are screw thread in both sides,
There is stepped hole in end.
3. vehicle as described in claim 1, which is characterized in that the fittings body (7) is straight-through structure, and there are screw thread in both sides,
There is stepped hole in end.
4. vehicle as described in claim 1, which is characterized in that there are clip in (8) and low pressure hose (12) junction taken over
(13)。
5. vehicle as described in claim 1, which is characterized in that the sealing ring (9) is O-ring seals.
6. vehicle as described in claim 1, which is characterized in that the handling maneuver leverage includes ball stud dirt-proof boot
(18), including rubber body (19), metal cranse (25) and fibrous layer (26), there is metal cranse inside rubber body (19) upper end
(25), lower end is fluted, and the rubber body (19) includes inner wall (20) and outer wall (21), the inner wall (20) and outer wall (21)
Between setting fibrous layer (26)；
The fibrous layer (26) includes multiple fibre strips (27), and the fibre strip (27) is around the center of rubber body (19)
Line is arranged, and adjacent fibre strip (27) is separated from each other.
7. vehicle as claimed in claim 6, which is characterized in that rubber body (19) includes 2 outwardly projecting arc structures
(22) with (24), inwardly projecting arc structure (23) is set between two outwardly projecting arc structures (22) and (24)；
From outwardly projecting arc structure (22) and (24) outermost end, to rubber body (19), both sides extend up and down, adjacent strip
The interval of fiber (27) gradually increases, up and down from outwardly projecting arc structure (22) and (24) outermost end to rubber body (19)
Both sides extend, and the amplitude that the interval of adjacent fibre strip (27) gradually increases is increasing.
8. vehicle as claimed in claim 7, which is characterized in that inwardly projecting arc structure (23) inner terminal is to protruding outward
The length of rubber body (19) of outermost end of arc structure (22) and (24) be L, outwardly projecting arc structure (22) with
(24) S is divided between the fibre strip (27) of outermost endOutside, then apart from the outermost of outwardly projecting arc structure (22) and (24)
End is that fibre strip (27) the interval s rules of the positions l are as follows：S=b*SOutside+c*SOutside*(l/L)a, wherein a, b, c is coefficient, is met
It is following to require：
1.08<a<1.13,0.98<b+c<1.02 0.49<b<0.65.
9. vehicle as claimed in claim 6, which is characterized in that fibre strip (27) is oblique along rubber body (19) center line
45 ° of arrangements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106132.0A CN108275199A (en) | 2018-02-02 | 2018-02-02 | A kind of vehicle of setting low pressure line structure through walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106132.0A CN108275199A (en) | 2018-02-02 | 2018-02-02 | A kind of vehicle of setting low pressure line structure through walls |
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| Publication Number | Publication Date |
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| CN108275199A true CN108275199A (en) | 2018-07-13 |
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| CN201810106132.0A Pending CN108275199A (en) | 2018-02-02 | 2018-02-02 | A kind of vehicle of setting low pressure line structure through walls |
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| CN205615579U (en) * | 2016-05-18 | 2016-10-05 | 浙江锐泰悬挂系统科技有限公司 | Automobile ball joint assembly |
| CN206439411U (en) * | 2016-12-30 | 2017-08-25 | 万向钱潮（桂林）汽车底盘部件有限公司 | A kind of ball pin assembly dust cover |
| CN206719321U (en) * | 2017-04-28 | 2017-12-08 | 保定市格瑞机械有限公司 | Vehicular turn outside link bulb assembly and vehicle |
| CN207809506U (en) * | 2018-02-02 | 2018-09-04 | 中国北方车辆研究所 | A kind of vehicle of setting low pressure line structure through walls |
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2018
- 2018-02-02 CN CN201810106132.0A patent/CN108275199A/en active Pending
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| CN102390245A (en) * | 2011-08-24 | 2012-03-28 | 中国北方车辆研究所 | Dustproof cover for vehicle |
| CN202431738U (en) * | 2011-11-30 | 2012-09-12 | 长城汽车股份有限公司 | Steering ball joint assembly for automobile |
| CN202484453U (en) * | 2011-12-20 | 2012-10-10 | 深圳市中兴昆腾有限公司 | Demountable plate-penetrating connector |
| CN203161819U (en) * | 2013-03-29 | 2013-08-28 | 温州鸿鹏汽配制造有限公司 | Automobile rear suspension ball pin assembly |
| JP2016125625A (en) * | 2015-01-07 | 2016-07-11 | Nok株式会社 | Dust cover |
| CN204477048U (en) * | 2015-02-10 | 2015-07-15 | 长城汽车股份有限公司 | A kind of ball stud assembly, chassis and automobile |
| CN204829004U (en) * | 2015-06-17 | 2015-12-02 | 锦江百浪新能源有限公司 | Welding seam anti -corrosion high -voltage tube connects |
| CN205615579U (en) * | 2016-05-18 | 2016-10-05 | 浙江锐泰悬挂系统科技有限公司 | Automobile ball joint assembly |
| CN206439411U (en) * | 2016-12-30 | 2017-08-25 | 万向钱潮（桂林）汽车底盘部件有限公司 | A kind of ball pin assembly dust cover |
| CN206719321U (en) * | 2017-04-28 | 2017-12-08 | 保定市格瑞机械有限公司 | Vehicular turn outside link bulb assembly and vehicle |
| CN207809506U (en) * | 2018-02-02 | 2018-09-04 | 中国北方车辆研究所 | A kind of vehicle of setting low pressure line structure through walls |
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