CN1907785A - Half-integral type automobile dynamic redirector - Google Patents
Half-integral type automobile dynamic redirector Download PDFInfo
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- CN1907785A CN1907785A CN 200610095034 CN200610095034A CN1907785A CN 1907785 A CN1907785 A CN 1907785A CN 200610095034 CN200610095034 CN 200610095034 CN 200610095034 A CN200610095034 A CN 200610095034A CN 1907785 A CN1907785 A CN 1907785A
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- 239000003921 oil Substances 0.000 claims description 69
- 239000010720 hydraulic oil Substances 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000017105 transposition Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The invention relates to a semi-integrated vehicle power steering device, which comprises: a steering device, a steering control valve. And it is characterized in that: the steering control valve is the rotation valve steering control valve, while said control valve is the upper steering control valve 8 or/and lower steering control valve 9. The invention has simple structure, less elements, and high steering sensitivity, which can be used to steer the vehicle and heavy wheel vehicle.
Description
Technical field
The present invention relates to automobile power steering, particularly a kind of half-integral type automobile dynamic redirector.
Background technology
Automobile power steering is usually by automobile steering device, and steering control valve, three parts of power cylinder are formed.Automobile steering device and steering control valve are adorned the as a whole half-integral type automobile dynamic redirector that calls, and it is mainly used in reaching on the extra-duty automobile of multi-axle steering.Wherein the effect of steering control valve is that the needs that turn to according to wheeled car change the flow direction of hydraulic oil, finally promotes the hydraulic drive steered wheel rotation of power cylinder to realize turning to of vehicle.For topmost part in the steering control valve is the spool and the valve pocket of control cock, utilizes the slip of spool and valve pocket to change the hydraulic oil direction that flows, and is called the guiding valve steering control valve.At present, what use on the half-integral type automobile dynamic redirector all is the guiding valve steering control valve, and this half-integral type automobile dynamic redirector complex structure, parts are many, difficulty of processing is big, matching requirements height, and the elastic element that adopts in the guiding valve steering controller mostly is cylindrical spiral spring, make automobile power steering turn to hysteresis, return in poor performance.
Summary of the invention:
The object of the present invention is to provide a kind of simple in structure, and turn to sensitivity, return in the good half-integral type automobile dynamic redirector of performance.
The object of the present invention is achieved like this: a kind of half-integral type automobile dynamic redirector, comprise automobile steering device, and steering control valve is characterized in that: described steering control valve is the rotary valve steering control valve.
Above-mentioned steering control valve is that last steering control valve is or/and following steering control valve.
Above-mentioned automobile steering device comprise the input shaft assembly that is provided with in the space that steering gear housing assembly, steering box side cover assembly, described steering gear housing assembly and steering box side cover assembly constitute, described input shaft assembly overcoat turn to swivel nut, with describedly turn to steering nut assembly that the steering screw on the swivel nut combines as a whole through circulating steel ball, fan the rocker shaft assembly with described steering nut assembly ingear tooth.
The present invention can be arranged at described steering gear housing assembly two ends with above-mentioned upward steering control valve and described steering control valve down; The described steering control valve of going up is made up of upper valve body, upper valve sleeve and upper valve core; Described steering control valve down is by valve body, lower valve sleeve and bottom spool are formed down; Wherein said upper valve body, down valve body fixedly is spirally connected with the upper and lower side of described steering gear housing assembly respectively; The described swivel nut that turns to is by the described upper valve sleeve of described steering screw and two ends at its middle part, the single piece that described lower valve sleeve constitutes; The described swivel nut that turns to carries out longitudinal register by the location bearing in the described upper valve body and its annular positioning groove near the upper end; Described upper valve sleeve, described lower valve sleeve cooperate with described upper valve body, the movable oil sealing of described valve body down respectively; The input shaft of described input shaft assembly cooperates longitudinal register and angle spacing at the described locating dowel pin that is provided with by input shaft shaft extension place by its top of turning in the swivel nut with the described spacing cotter way that is provided with on the oral area diametric(al) on the swivel nut that turns to; The described upper valve core that described input shaft top and the bottom are provided with, described bottom spool respectively with described upper valve sleeve, described lower valve sleeve free-running fit; The top of the torsion bar that is provided with in the described input shaft lower end face is located by straight pin, and by the straight pin location, the top of torsion bar seat is interference fit in input shaft lower end face in torsion bar seat in the bottom of torsion bar; Loam cake plug screw and the seal with screwed joint of upper valve body top.
Be symmetrical arranged 4 road Oil Guide rings with relative inner end surface respectively in above-mentioned upper valve body and the following valve body, between the Oil Guide ring seal ring is set, 4 road Oil Guide rings communicate with hydraulic oil input hole, two hydraulic oil delivery orifices, hydraulic oil return ports of being provided with on the described upper valve body respectively in the described upper valve body, and 4 road Oil Guide rings communicate with hydraulic oil input hole, two hydraulic oil delivery orifices, hydraulic oil return ports of being provided with on the described valve body down respectively in the described valve body down; Each evenly is provided with the vertical strip shape oil groove in 6 roads on the inboard face of cylinder of described upper valve sleeve and lower valve sleeve, and 4 groups, every group 3 waist through hole respectively are set at its circumferencial direction, 3 waist through hole rectangular distribution on its circumference of every group, report to the leadship after accomplishing a task for two groups and be arranged on strip shape oil groove place, in addition report to the leadship after accomplishing a task and be arranged on the gap location of strip shape oil groove for two groups; The position of the 4 road Oil Guide rings that are provided with in the position of 4 groups of waist through hole on described upper valve sleeve and the lower valve sleeve and described upper valve body, the described valve body down is corresponding; Strip shape oil groove on described upper valve sleeve and the lower valve sleeve, waist through hole are at described steering screw two ends and are symmetrical arranged; The vertical strip shape oil guide groove in rectangular distribution 6 roads on the face of cylinder at described upper valve core, bottom spool place.The half-integral type automobile dynamic redirector of this kind of the present invention structure has two independently hydraulic control circuits, can satisfy multi-axle steering wheeled car turn to demand.
The present invention also can only be arranged at described steering gear housing assembly upper end with the above-mentioned steering control valve of going up; The described steering control valve of going up is made up of upper valve body, upper valve sleeve and upper valve core; The upper end of described upper valve body and described steering gear housing assembly fixedly is spirally connected; The described swivel nut that turns to is the single piece that the described upper valve sleeve of described steering screw and top by its underpart constitutes; The described swivel nut that turns to carries out longitudinal register by the location bearing in the described upper valve body and its annular positioning groove near the upper end; Described upper valve sleeve cooperates with the movable oil sealing of described upper valve body; The input shaft of described input shaft assembly cooperates longitudinal register and angle spacing at the described locating dowel pin that is provided with by input shaft shaft extension place by its top of turning in the swivel nut with the described spacing cotter way that is provided with on the oral area diametric(al) on the swivel nut that turns to; Described upper valve core and described upper valve sleeve free-running fit that described input shaft top is provided with; The top of the torsion bar that is provided with in the described input shaft lower end face is located by straight pin, and by the straight pin location, the top of torsion bar seat is interference fit in input shaft lower end face in torsion bar seat in the bottom of torsion bar; Loam cake plug screw and the seal with screwed joint of upper valve body top; The lower end of bottom end cover and described steering gear housing assembly fixedly is spirally connected.
4 road Oil Guide rings are set in the above-mentioned upper valve body, between the Oil Guide ring seal ring are set, 4 road Oil Guide rings communicate with hydraulic oil input hole, two hydraulic oil delivery orifices, hydraulic oil return ports of being provided with on the described upper valve body respectively in the described upper valve body; The vertical strip shape oil groove in 6 roads evenly is set on the inboard face of cylinder of described upper valve sleeve, and 4 groups, every group 3 waist through hole are set at its circumferencial direction, 3 waist through hole rectangular distribution on its circumference of every group, report to the leadship after accomplishing a task for two groups and be arranged on strip shape oil groove place, in addition report to the leadship after accomplishing a task and be arranged on the gap location of strip shape oil groove for two groups; The position of 4 groups of waist through hole on the described upper valve sleeve is corresponding with the position of 4 road Oil Guide rings in the described upper valve body; The vertical strip shape oil guide groove in rectangular distribution 6 roads on the face of cylinder at described upper valve core place.The half-integral type automobile dynamic redirector of this kind of the present invention structure can satisfy the demand that turns to of superduty wheeled car.
The present invention also can only be arranged at described steering gear housing assembly lower end with above-mentioned steering control valve down; Described steering control valve down is by valve body, lower valve sleeve and bottom spool are formed down; The lower end of described valve body down and described steering gear housing assembly fixedly is spirally connected; The described swivel nut that turns to is the single piece that the described lower valve sleeve by the described steering screw on its top and bottom constitutes; The described swivel nut that turns to carries out longitudinal register by the location bearing in the upper end cover and its annular positioning groove near the upper end; Described lower valve sleeve cooperates with the movable oil sealing of described valve body down; The input shaft of described input shaft assembly cooperates longitudinal register and angle spacing at the described locating dowel pin that is provided with by input shaft shaft extension place by its top of turning in the swivel nut with the described spacing cotter way that is provided with on the oral area diametric(al) on the swivel nut that turns to; Described bottom spool and described lower valve sleeve free-running fit that described input shaft bottom is provided with; The top of the torsion bar that is provided with in the described input shaft lower end face is located by straight pin, and by the straight pin location, the top of torsion bar seat is interference fit in input shaft lower end face in torsion bar seat in the bottom of torsion bar; The upper end of described upper end cover and described steering gear housing assembly fixedly is spirally connected, described loam cake plug screw and the top seal with screwed joint of described upper end cover.
In the above-mentioned down valve body 4 road Oil Guide rings are set, seal ring is set between the Oil Guide ring, 4 road Oil Guide rings communicate with hydraulic oil input hole, two hydraulic oil delivery orifices, hydraulic oil return ports of being provided with on the described valve body down respectively in the described valve body down; Each evenly is provided with the vertical strip shape oil groove in 6 roads on the inboard face of cylinder of described lower valve sleeve, and 4 groups, every group 3 waist through hole respectively are set at its circumferencial direction, 3 waist through hole rectangular distribution on its circumference of every group, report to the leadship after accomplishing a task for two groups and be arranged on strip shape oil groove place, in addition report to the leadship after accomplishing a task and be arranged on the gap location of strip shape oil groove for two groups; The position that 4 road Oil Guide rings are set in the position of 4 groups of waist through hole on the described lower valve sleeve and the described down valve body is corresponding; The vertical strip shape oil guide groove in rectangular distribution 6 roads on the face of cylinder at described bottom spool place.The half-integral type automobile dynamic redirector of this kind of the present invention structure can satisfy the demand that turns to of superduty wheeled car.
The present invention constitutes one with steering screw, input shaft respectively with the valve pocket of steering control valve, spool, make whole half-integral type automobile dynamic redirector simple in structure, amount of parts is few, easy to process.Half-integral type automobile dynamic redirector of the present invention in use, when chaufeur back and forth during steering wheel rotation, the input shaft assembly back rotation that comes on, by turning to swivel nut, circulating steel ball on the input shaft assembly, promoting the steering nut assembly moves around, come back rotation thereby promoted tooth fan rocker shaft assembly, finally then will order about the steered wheel rotation, to realize that wheeled car turns to.In above-mentioned motion process, be not enough to order about the steered wheel rotation only according to the hand-power of chaufeur, the input shaft assembly has born certain moment of reaction.This moment of reaction, is finally overcome by chaufeur via turning to swivel nut, torsion bar seat, straight pin, torsion bar to be delivered on the input shaft in input shaft assembly inside.Because torsion bar is an elongated shaft-like part, in the process of the above-mentioned transmission moment of reaction, torsion bar can produce certain torsional deflection.This torsional deflection makes the spool that is provided with on the input shaft with respect to turning to the valve pocket that is provided with on the swivel nut can produce an angular transposition, this angular transposition will change the flow direction of hydraulic oil in the steering control valve, finally the thrust that produces by power cylinder promotes the rotation of steered wheel.The moment that torsion bar transmits is big more, and the torsional deflection of torsion bar is just big more, but arrives certain degree greatly, and the locating dowel pin that is provided with on the input shaft will touch the one side that turns to the spacing cotter way that is provided with on the swivel nut, and torsion bar is played a protective effect.Therefore half-integral type automobile dynamic redirector of the present invention turn to sensitivity, return in performance good, be specially adapted to the turning to of wheeled car, superduty wheeled car of multi-axle steering.
Description of drawings:
Fig. 1 is the longitudinal sectional view of the embodiment of the invention 1.
Fig. 2 is the transverse sectional view of the embodiment of the invention 1.
Fig. 3 is the longitudinal sectional view of input shaft assembly among Fig. 1.
Fig. 4 is the longitudinal sectional view that turns to swivel nut among Fig. 3.
Fig. 5 is an A-A cutaway view among Fig. 4.
Fig. 6 is a B-B cutaway view among Fig. 4.
Fig. 7 is a C-C cutaway view among Fig. 4.
Fig. 8 is a D-D cutaway view among Fig. 4.
Fig. 9 be among Fig. 4 E to view.
Figure 10 is the longitudinal sectional view of input shaft among Fig. 3.
Figure 11 is an A-A cutaway view among Figure 10.
Figure 12 is a B-B cutaway view among Figure 10.
Figure 13 be among Figure 10 C to scheme drawing.
Figure 14 is the longitudinal sectional view of upper valve body among Fig. 1.
Figure 15 is the longitudinal sectional view of following valve body among Fig. 1.
Figure 16 is the longitudinal sectional view of the embodiment of the invention 2.
Figure 17 is the longitudinal sectional view of the embodiment of the invention 3.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment 1: referring to Fig. 1, Fig. 2, a kind of half-integral type automobile dynamic redirector comprises automobile steering device, and steering control valve is characterized in that: described steering control valve is the rotary valve steering control valve.
The half-integral type automobile dynamic redirector of present embodiment is characterized in that: described automobile steering device comprise the input shaft assembly 10 that is provided with in the space that steering gear housing assembly 1, steering box side cover assembly 2, described steering gear housing assembly 1 and steering box side cover assembly 2 constitute, described input shaft assembly 10 overcoats turn to swivel nut 11, with describedly turn to steering nut assembly 4 that the steering screw 12 on the swivel nut 11 combines as a whole through circulating steel ball 5, fan rocker shaft assembly 3 with described steering nut assembly 4 ingear teeth.
In the present embodiment, described upward steering control valve 8 and described steering control valve 9 down are arranged at described steering gear housing assembly 1 two ends; The described steering control valve 8 of going up is made up of upper valve body 8a, upper valve sleeve 8b and upper valve core 8c; Described steering control valve 9 down is by valve body 9a, lower valve sleeve 9b and bottom spool 9c form down; Wherein said upper valve body 8a, down valve body 9a fixedly is spirally connected with the upper and lower side of described steering gear housing assembly 1 respectively; The described swivel nut 1 that turns to is by the described steering screw 12 and the single piece that the described upper valve sleeve 8b in two ends, described lower valve sleeve 9b constitute at its middle part, sees Fig. 4; The described swivel nut 11 that turns to carries out longitudinal register by the location bearing in the described upper valve body 8a 7 and its annular positioning groove 17 near the upper end; Described upper valve sleeve 8b, described lower valve sleeve 9b cooperate with described upper valve body 8a, the movable oil sealing of described valve body 9a down respectively; The input shaft 13 of described input shaft assembly 10 cooperates longitudinal register and angle spacing by the locating dowel pin 18 of input shaft shaft extension 13a place setting with the described spacing cotter way 16 that is provided with on the swivel nut 11 upper end oral area diametric(al)s that turns to described turning in the swivel nut 11 by its top, sees Fig. 9; Described upper valve core 8c, the described bottom spool 9c that described input shaft 13 top and the bottom are provided with respectively with described upper valve sleeve 8b, described lower valve sleeve 9b free-running fit; The top of the torsion bar 19 that is provided with in the described input shaft 13 lower end faces is by straight pin 21 location, and by straight pin 21 location, the top of torsion bar seat 20 is interference fit in input shaft 13 lower end faces, sees Fig. 3, Figure 10 in torsion bar seat 20 in the bottom of torsion bar 19; Loam cake plug screw 6 and upper valve body 8a top seal with screwed joint.
Be symmetrical arranged 4 road Oil Guide rings 23 with relative inner end surface respectively in the above-mentioned upper valve body 8a of present embodiment and the following valve body 9a, seal ring 24 is set between the Oil Guide ring 23,4 road Oil Guide rings 23 communicate with hydraulic oil input hole P1, hydraulic oil delivery orifice A1, B1, the hydraulic oil return port T that described upper valve body 8a upward is provided with respectively in the described upper valve body 8a, 4 road Oil Guide rings 23 communicate with hydraulic oil input hole P2, hydraulic oil delivery orifice A2, B2, the hydraulic oil return port T2 that described valve body 9a down goes up setting respectively in the described valve body 9a down, see Figure 14, Figure 15; Each evenly is provided with the vertical strip shape oil groove 14 in 6 roads on the inboard face of cylinder of described upper valve sleeve 8b and lower valve sleeve 9b, and 4 groups, every group 3 waist through hole 15 respectively is set at its circumferencial direction, 3 waist through hole 15 rectangular distribution on its circumference of every group, report to the leadship after accomplishing a task for two groups and be arranged on strip shape oil groove 14 places, in addition report to the leadship after accomplishing a task and be arranged on the gap location of strip shape oil groove 14 for two groups; The position of the 4 road Oil Guide rings 23 that are provided with in the position of 4 groups of waist through hole 15 on described upper valve sleeve 8b and the lower valve sleeve 9b and described upper valve body 8a, the described valve body 9a down is corresponding; Strip shape oil groove 14 on described upper valve sleeve 8b and the lower valve sleeve 9b, waist through hole 15 are at described steering screw 12 two ends and are symmetrical arranged, and see Fig. 5, Fig. 6, Fig. 7, Fig. 8; The vertical strip shape oil guide groove 22 in rectangular distribution 6 roads is seen Figure 11, Figure 12, Figure 13 on the face of cylinder at described upper valve core 8c, bottom spool 9c place.
Embodiment 2: referring to Figure 16, the half-integral type automobile dynamic redirector of present embodiment except that only described steering gear housing assembly 1 upper end be provided with described on steering control valve 8, the described swivel nut 11 that turns to be the single piece that constitutes by the described steering screw 12 of its underpart and the described upper valve sleeve 8b in top, described input shaft 13 only the lower end of the described upper valve core 8c that is provided with of top, bottom end cover 26 and described steering gear housing assembly 1 fixedly is spirally connected, all the other structures are identical with embodiment 1.
Embodiment 3: referring to Figure 17, the half-integral type automobile dynamic redirector of present embodiment except that only described steering gear housing assembly 1 lower end be provided with described on steering control valve 9, described turn to swivel nut 11 be the single piece that constitutes by the described steering screw 12 on its top and the described upper valve sleeve 9b in bottom, described input shaft 13 only the described bottom spool 9c, the upper end cover 25 that are provided with of bottom fixedly be spirally connected with the upper end of described steering gear housing assembly 1, described loam cake plug screw 6 and the described upper end cover 25 top seals with screwed joint, all the other structures are identical with embodiment 1.
Claims (9)
1, a kind of half-integral type automobile dynamic redirector comprises automobile steering device, and steering control valve is characterized in that: described steering control valve is the rotary valve steering control valve.
2, half-integral type automobile dynamic redirector as claimed in claim 1 is characterized in that: described steering control valve is that last steering control valve (8) is or/and following steering control valve (9).
3, half-integral type automobile dynamic redirector as claimed in claim 1 is characterized in that: described automobile steering device comprises steering gear housing assembly (1), steering box side cover assembly (2), the input shaft assembly (10) that is provided with in the space that described steering gear housing assembly (1) and steering box side cover assembly (2) constitute, turn to swivel nut (11) at described input shaft assembly (10) overcoat, with the described steering nut assembly (4) that turns to the steering screw (12) on the swivel nut (11) to combine as a whole through circulating steel ball (5), with described steering nut assembly (4) ingear tooth fan rocker shaft assembly (3).
4, as claim 1,2 or 3 described half-integral type automobile dynamic redirectors, it is characterized in that: described upward steering control valve (8) and described steering control valve (9) down are arranged at described steering gear housing assembly (1) two ends; The described steering control valve (8) of going up is made up of upper valve body (8a), upper valve sleeve (8b) and upper valve core (8c); Described steering control valve (9) down is by valve body (9a), lower valve sleeve (9b) and bottom spool (9c) are formed down; Wherein said upper valve body (8a), down valve body (9a) fixedly is spirally connected with the upper and lower side of described steering gear housing assembly (1) respectively; The described swivel nut (11) that turns to is by the described steering screw (12) at its middle part and the single piece of the described upper valve sleeves in two ends (8b), described lower valve sleeve (9b) formation; The described swivel nut (11) that turns to carries out longitudinal register by the location bearing (7) in the described upper valve body (8a) and its annular positioning groove (17) near the upper end; Described upper valve sleeve (8b), described lower valve sleeve (9b) cooperate with described upper valve body (8a), the described movable oil sealing of valve body (9a) down respectively; The input shaft (13) of described input shaft assembly (10) cooperates longitudinal register and angle spacing at the described locating dowel pin (18) being located to be provided with by input shaft shaft extension (13a) by its top of turning in the swivel nut (11) with the described spacing cotter way (16) that is provided with on the oral area diametric(al) on the swivel nut (11) that turns to; The described upper valve core (8c) that described input shaft (13) top and the bottom are provided with, described bottom spool (9c) respectively with described upper valve sleeve (8b), described lower valve sleeve (9b) free-running fit; The top of the torsion bar (19) that is provided with in described input shaft (13) the lower end face is located by straight pin (21), by straight pin (21) location, the top of torsion bar seat (20) is interference fit in input shaft (13) lower end face in torsion bar seat (20) in the bottom of torsion bar (19); Loam cake plug screw (6) and upper valve body (8a) top seal with screwed joint.
5, half-integral type automobile dynamic redirector as claimed in claim 4, it is characterized in that: be symmetrical arranged 4 road Oil Guide rings (23) with relative inner end surface respectively in described upper valve body (8a) and the following valve body (9a), seal ring (24) is set between the Oil Guide ring (23), 4 road Oil Guide rings (23) are gone up the hydraulic oil input hole (P1) that is provided with described upper valve body (8a) respectively in the described upper valve body (8a), hydraulic oil delivery orifice (A1), (B1), hydraulic oil return port (T1) communicates, and 4 road Oil Guide rings (23) are gone up the hydraulic oil input hole (P2) that is provided with described valve body (9a) down respectively in the described valve body (9a) down, hydraulic oil delivery orifice (A2), (B2), hydraulic oil return port (T2) communicates; Each evenly is provided with the vertical strip shape oil grooves in 6 roads (14) on the inboard face of cylinder of described upper valve sleeve (8b) and lower valve sleeve (9b), and 4 groups, every group 3 waist through hole (15) respectively are set at its circumferencial direction, 3 waist through hole (15) rectangular distribution on its circumference of every group, reporting to the leadship after accomplishing a task for two groups is arranged on strip shape oil groove (14) and locates, and reports to the leadship after accomplishing a task and is arranged on the gap location of strip shape oil groove (14) for two groups in addition; The position of the 4 road Oil Guide rings (23) that are provided with in the position of the 4 groups of waist through hole (15) on described upper valve sleeve (8b) and the lower valve sleeve (9b) and described upper valve body (8a), the described valve body (9a) down is corresponding; Strip shape oil groove (14), waist through hole (15) on described upper valve sleeve (8b) and the lower valve sleeve (9b) are at described steering screw (12) two ends and are symmetrical arranged; The vertical strip shape oil guide groove in rectangular distribution 6 roads (22) on the face of cylinder that described upper valve core (8c), bottom spool (9c) are located.
6, as claim 1,2 or 3 described half-integral type automobile dynamic redirectors, it is characterized in that: the described steering control valve (8) of going up is arranged at described steering gear housing assembly (1) upper end; The described steering control valve (8) of going up is made up of upper valve body (8a), upper valve sleeve (8b) and upper valve core (8c); Described upper valve body (8a) fixedly is spirally connected with the upper end of described steering gear housing assembly (1); The described swivel nut (11) that turns to is by the described steering screw (12) of its underpart and the single piece of the described upper valve sleeve in top (8b) formation; The described swivel nut (11) that turns to carries out longitudinal register by the location bearing (7) in the described upper valve body (8a) and its annular positioning groove (17) near the upper end; Described upper valve sleeve (8b) cooperates with the movable oil sealing of described upper valve body (8a); The input shaft (13) of described input shaft assembly (10) cooperates longitudinal register and angle spacing at the described locating dowel pin (18) being located to be provided with by input shaft shaft extension (13a) by its top of turning in the swivel nut (11) with the described spacing cotter way (16) that is provided with on the oral area diametric(al) on the swivel nut (11) that turns to; Described upper valve core (8c) that described input shaft (13) top is provided with and described upper valve sleeve (8b) free-running fit; The top of the torsion bar (19) that is provided with in described input shaft (13) the lower end face is located by straight pin (21), by straight pin (21) location, the top of torsion bar seat (20) is interference fit in input shaft (13) lower end face in torsion bar seat (20) in the bottom of torsion bar (19); Loam cake plug screw (6) and upper valve body (8a) top seal with screwed joint; Bottom end cover (26) fixedly is spirally connected with the lower end of described steering gear housing assembly (1).
7, half-integral type automobile dynamic redirector as claimed in claim 6, it is characterized in that: 4 road Oil Guide rings (23) are set in the described upper valve body (8a), seal ring (24) is set between the Oil Guide ring (23), and 4 road Oil Guide rings (23) communicate with hydraulic oil input hole (P1), hydraulic oil delivery orifice (A1), (B1), the hydraulic oil return port (T1) that described upper valve body (8a) upward is provided with respectively in the described upper valve body (8a); The vertical strip shape oil grooves in 6 roads (14) evenly are set on the inboard face of cylinder of described upper valve sleeve (8b), and 4 groups, every group 3 waist through hole (15) are set at its circumferencial direction, 3 waist through hole (15) rectangular distribution on its circumference of every group, reporting to the leadship after accomplishing a task for two groups is arranged on strip shape oil groove (14) and locates, and reports to the leadship after accomplishing a task and is arranged on the gap location of strip shape oil groove (14) for two groups in addition; The position of the 4 groups of waist through hole (15) on the described upper valve sleeve (8b) is corresponding with the position of 4 road Oil Guide rings (23) in the described upper valve body (8a); The vertical strip shape oil guide groove in rectangular distribution 6 roads (22) on the face of cylinder that described upper valve core (8c) is located.
8, as claim 1,2 or 3 described half-integral type automobile dynamic redirectors, it is characterized in that: described steering control valve (9) down is arranged at described steering gear housing assembly (1) lower end; Described steering control valve (9) down is by valve body (9a), lower valve sleeve (9b) and bottom spool (9c) are formed down; Described valve body (9a) down fixedly is spirally connected with the lower end of described steering gear housing assembly (1); The described swivel nut (11) that turns to is by the described steering screw (12) on its top and the single piece of described lower valve sleeve (9b) formation of bottom; The described swivel nut (11) that turns to carries out longitudinal register by the location bearing (7) in the upper end cover (25) and its annular positioning groove (17) near the upper end; Described lower valve sleeve (9b) cooperates with the described movable oil sealing of valve body (9a) down; The input shaft (13) of described input shaft assembly (10) cooperates longitudinal register and angle spacing at the described locating dowel pin (18) being located to be provided with by input shaft shaft extension (13a) by its top of turning in the swivel nut (11) with the described spacing cotter way (16) that is provided with on the oral area diametric(al) on the swivel nut (11) that turns to; Described bottom spool (9c) that described input shaft (13) bottom is provided with and described lower valve sleeve (9b) free-running fit; The top of the torsion bar (19) that is provided with in described input shaft (13) the lower end face is located by straight pin (21), by straight pin (21) location, the top of torsion bar seat (20) is interference fit in input shaft (13) lower end face in torsion bar seat (20) in the bottom of torsion bar (19); Described upper end cover (25) fixedly is spirally connected with the upper end of described steering gear housing assembly (1), described loam cake plug screw (6) and described upper end cover (25) top seal with screwed joint.
9, half-integral type automobile dynamic redirector as claimed in claim 8, it is characterized in that: in the valve body (9a) 4 road Oil Guide rings (23) are set under described, seal ring (24) is set between the Oil Guide ring (23), and 4 road Oil Guide rings (23) communicate with hydraulic oil input hole (P2), hydraulic oil delivery orifice (A2), (B2), the hydraulic oil return port (T2) that described valve body (9a) is down gone up setting respectively in the described valve body (9a) down; Each evenly is provided with the vertical strip shape oil grooves in 6 roads (14) on the inboard face of cylinder of described lower valve sleeve (9b), and 4 groups, every group 3 waist through hole (15) respectively are set at its circumferencial direction, 3 waist through hole (15) rectangular distribution on its circumference of every group, reporting to the leadship after accomplishing a task for two groups is arranged on strip shape oil groove (14) and locates, and reports to the leadship after accomplishing a task and is arranged on the gap location of strip shape oil groove (14) for two groups in addition; The position that 4 road Oil Guide rings (23) are set in the position of the 4 groups of waist through hole (15) on the described lower valve sleeve (9b) and the described down valve body (9a) is corresponding; The vertical strip shape oil guide groove in rectangular distribution 6 roads (22) on the face of cylinder that described bottom spool (9c) is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100950349A CN100404345C (en) | 2006-08-16 | 2006-08-16 | Half-integral type automobile dynamic redirector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100950349A CN100404345C (en) | 2006-08-16 | 2006-08-16 | Half-integral type automobile dynamic redirector |
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| Publication Number | Publication Date |
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| CN1907785A true CN1907785A (en) | 2007-02-07 |
| CN100404345C CN100404345C (en) | 2008-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100950349A Active CN100404345C (en) | 2006-08-16 | 2006-08-16 | Half-integral type automobile dynamic redirector |
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| Country | Link |
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| CN (1) | CN100404345C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678928A (en) * | 2011-03-16 | 2012-09-19 | 大连瑞谷科技有限公司 | Novel oil leakage preventing sealing structure for automobile hydraulic power steering gear shaft end |
| CN105575211A (en) * | 2016-01-20 | 2016-05-11 | 合肥同智机电控制技术有限公司 | Steering wheel feedback apparatus |
| CN108791467A (en) * | 2018-07-04 | 2018-11-13 | 湖北三环汽车方向机有限公司 | A kind of New Cycle ball-type power steering gear screw axis-torsion bar assembly |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3741074A (en) * | 1970-12-08 | 1973-06-26 | Trw Inc | Variable ratio integral power steering gear |
| US4173987A (en) * | 1977-02-16 | 1979-11-13 | Atsugi Motor Parts Co., Ltd. | Power steering system |
| US4872393A (en) * | 1987-07-15 | 1989-10-10 | Trw Inc. | Steering gear with recirculation check valve |
| CN2190063Y (en) * | 1994-01-22 | 1995-02-22 | 纪国庆 | Rolling valve integral automobile steering system without rolling bearing |
| CN2277914Y (en) * | 1996-06-18 | 1998-04-08 | 纪国庆 | Shell combined integral power steering device for car |
| CN2321685Y (en) * | 1996-09-10 | 1999-06-02 | 纪国庆 | Integral car power-aid steering device with regular round oil groove |
| CN2324030Y (en) * | 1997-11-20 | 1999-06-16 | 江门市兴江转向器有限公司 | Rotary valve integral dynamic steering gear for vehicle |
| CN200957832Y (en) * | 2006-08-16 | 2007-10-10 | 纪国庆 | Semi-integrated power-driven steering device of automobile |
-
2006
- 2006-08-16 CN CNB2006100950349A patent/CN100404345C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678928A (en) * | 2011-03-16 | 2012-09-19 | 大连瑞谷科技有限公司 | Novel oil leakage preventing sealing structure for automobile hydraulic power steering gear shaft end |
| CN105575211A (en) * | 2016-01-20 | 2016-05-11 | 合肥同智机电控制技术有限公司 | Steering wheel feedback apparatus |
| CN108791467A (en) * | 2018-07-04 | 2018-11-13 | 湖北三环汽车方向机有限公司 | A kind of New Cycle ball-type power steering gear screw axis-torsion bar assembly |
| CN108791467B (en) * | 2018-07-04 | 2024-01-30 | 湖北三环汽车方向机有限公司 | Screw shaft-torsion bar assembly of recirculating ball type power steering gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100404345C (en) | 2008-07-23 |
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Owner name: CHONGQING JIGONG AUTOMOBILE POWER STEERING CO., LT Free format text: FORMER OWNER: JI GUOQING Effective date: 20150713 |
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Effective date of registration: 20150713 Address after: 400053 Chongqing Jiulongpo Huangjueping day Ping Qiu Patentee after: CHONGQING JIGONG AUTOMOBILE POWER STEERING CO., LTD. Address before: 400039, Shapingba District, Chongqing, Chen Ping Tian Village 132-2-1 Patentee before: Ji Guoqing |