CN204184432U - A kind of automobile steering device - Google Patents
A kind of automobile steering device Download PDFInfo
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- CN204184432U CN204184432U CN201420330914.XU CN201420330914U CN204184432U CN 204184432 U CN204184432 U CN 204184432U CN 201420330914 U CN201420330914 U CN 201420330914U CN 204184432 U CN204184432 U CN 204184432U
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- hole
- tooth bar
- groove
- sealing shroud
- limiting stopper
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Abstract
The utility model discloses a kind of automobile steering device, comprise steering shaft and gear wheel shaft, steering shaft torsion bar through hole is established in steering shaft, gear wheel shaft peripheral hardware helical wheel, gear wheel shaft deviates from helical wheel one end and establishes two rotating shaft limiting stoppers and a gear wheel shaft torsion bar hole, rotating shaft limiting stopper comprises limiting stopper outside cylinder cambered surface, interior cylinder cambered surface and straight plane, limiting stopper plane on same rotating shaft limiting stopper is in the same plane, limiting stopper plane on the rotating shaft limiting stopper limiting stopper plane relative with on another rotating shaft limiting stopper forms bayonet socket, the side that steering shaft coordinates with gear wheel shaft is provided with the projection embedding two bayonet sockets respectively, projection comprises projection outside cylinder cambered surface, interior cylinder cambered surface and straight plane, projection thickness is reduced to outside cylinder cambered surface gradually by interior cylinder cambered surface.The thickness of the utility model device projection is reduced to outside cylinder cambered surface gradually by interior cylinder cambered surface, thus the straight plane of projection is obliquely installed diametrically, and processing technology is simpler, effectively reduces tooling cost.
Description
Technical field
The utility model relates to a kind of automobile steering device.
Background technology
Automobile steering device is a kind of engine installation that can alleviate driver fatigue intensity, effectively can improve portability and the stability of operation.At present, conventional power steering is main circulatingly again asks formula power steer and pinion type power steering box, rack-and-pinion steering machine because its structure is simple, with low cost, turn to flexibly, volume is little, can the advantage such as direct pull lateral connecting rod be widely used on automobile.
Existing car rack formula steering box is connected with gear wheel shaft mainly through steering shaft, gear wheel shaft engages with tooth bar, tooth bar is connected with pull bar, pull bar is connected with the wheel of automobile and arranges, thus by bearing circle to steering shaft input power, thus control the conversion in wheel direction, thus change vehicle traveling direction.Gear wheel shaft is equipped with away from one end of tooth bar and steering shaft, torsion bar is provided with in steering shaft, torsion bar leans on one end of gear wheel shaft and steering shaft to be fixedly installed, one end that gear wheel shaft coordinates with steering shaft is provided with limiting stopper, two spacing bayonet sockets are provided with between two limiting stoppers, one end that steering shaft coordinates with gear wheel shaft is provided with the projection embedded in bayonet socket, existing processing mode generally adopts setting on steering shaft to wash straight projection, the thickness washing the projection is directly extremely outer constant by steering shaft axle center, and the bayonet socket of gear wheel shaft adopts corresponding dip plane, this equipment requirement processing the mode of dip plane on gear wheel shaft is high, tooling cost is very high, be unfavorable for actual production.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, and it is simpler that the utility model provides a kind of processing technology, the automobile steering device that tooling cost is low.
To achieve these goals, the utility model have employed following technical scheme:
A kind of automobile steering device, comprise tooth bar housing and shaft housing, shaft housing place axis and tooth bar housing place axes intersect are arranged, one end of described shaft housing is communicated with tooth bar housing, tooth bar is provided with in described tooth bar housing, the two ends of tooth bar are provided with installs with automotive wheel the pull bar coordinated, gear wheel shaft and the steering shaft of coaxial setting is provided with in described shaft housing, valve pocket is arranged with outside described steering shaft, described valve pocket leans on side and the valve pocket heavy keying fit of gear wheel shaft, steering shaft torsion bar through hole is provided with in described steering shaft, described steering shaft torsion bar through hole is arranged along the axial direction of described steering shaft, the side lateral wall of described gear wheel shaft is provided with helical wheel, described gear wheel shaft deviates from helical gear one end and is provided with two rotating shaft limiting stoppers and a gear wheel shaft torsion bar hole of inserting for torsion bar end, described rotating shaft limiting stopper is symmetricly set on the end face of the opening part in described gear wheel shaft torsion bar hole respectively, described rotating shaft limiting stopper is the limiting stopper outside cylinder cambered surface with gear wheel shaft lateral wall adaptation by the side of gear wheel shaft lateral wall, described rotating shaft limiting stopper is cylinder cambered surface in the limiting stopper suitable with the cylinder cambered surface in gear wheel shaft torsion bar hole by the side in gear wheel shaft torsion bar hole, side in the limiting stopper outside cylinder cambered surface of described rotating shaft limiting stopper and limiting stopper between cylinder cambered surface is the straight plane of limiting stopper, limiting stopper plane on same rotating shaft limiting stopper is in the same plane, limiting stopper plane on the described rotating shaft limiting stopper limiting stopper plane relative with on another rotating shaft limiting stopper forms bayonet socket, the side that described steering shaft coordinates with gear wheel shaft is provided with the projection embedding two bayonet sockets respectively, the lateral surface of described projection is the projection outside cylinder cambered surface suitable with steering shaft axis body lateral wall cylinder cambered surface, described projection is cylinder cambered surface in the projection suitable with the cylinder cambered surface of steering shaft torsion bar through hole by the side of steering shaft torsion bar through hole, be the straight plane of projection between cylinder cambered surface in the projection outside cylinder cambered surface of described projection and projection, the thickness of described projection is reduced to outside cylinder cambered surface gradually by interior cylinder cambered surface.
As preferably, the straight plane of described limiting stopper and the straight plane of projection obtain by washing straight mode, the rotating shaft limiting stopper of described gear wheel shaft end is provided with the gear wheel shaft pin-and-hole be equipped with torsion bar of automobile steering gear, the perforate direction of described gear wheel shaft pin-and-hole is vertical with the axial direction of described gear wheel shaft to be arranged, and the lateral wall outer of the rotating shaft limiting stopper of described gear wheel shaft end is provided with limiting stopper chamfering.After adopting above-mentioned preferred version, the processing of the straight plane of limiting stopper and the straight plane of projection is simpler; In addition, one end that torsion bar can be stretched into gear wheel shaft torsion bar hole by gear wheel shaft pin-and-hole by gear wheel shaft is firmly fixed, the direction of gear wheel shaft pin-and-hole is vertical with the axial direction of gear wheel shaft to be arranged, can play best fixation to torsion bar, arranging of limiting stopper chamfering can avoid the sharp-pointed place on edge outside limiting stopper to damage staff.
As preferably, described steering shaft is provided with some uniform steering shaft outer oil sumps by the lateral wall of its side coordinated with gear wheel shaft, the length direction of described steering shaft outer oil sump is identical with the axial direction of described steering shaft, the bottom land of described steering shaft outer oil sump is provided with steering shaft oilhole, steering shaft outer oil sump described in described steering shaft oilhole is communicated with and described steering shaft torsion bar through hole, described steering shaft is provided with oil through by steering shaft outer oil sump place;
The valve pocket hole stretched into for steering shaft is provided with in described valve pocket, described valve pocket hole madial wall is uniformly distributed six valve pocket oil groove, described valve pocket oil groove is strip, the length direction of described valve pocket oil groove is identical with the axial direction in described valve pocket hole, valve pocket oil outlet is provided with bottom described valve pocket oil groove, described valve pocket oil outlet is communicated with the outside of valve pocket oil groove and valve pocket, the sidewall of described valve sleeve body is provided with valve pocket fuel feed hole, described valve pocket fuel feed hole arranges between valve pocket oil groove and adjacent valve pocket oil groove respectively, described valve pocket fuel feed hole communication valve trepanning and the outside of valve sleeve body, the madial wall in described valve pocket hole is provided with valve pocket back leakage groove, described valve pocket back leakage groove is open-minded by the side of valve pocket hole opening direction.
After adopting above-mentioned preferred version, structure is more simple, and overhours is shorter, and processing is easier, can effectively improve production and processing benefit.
As preferably, described tooth bar is provided with tooth bar and drags seat, described tooth bar drags seat to comprise and columnedly drags seat body, the described side of seat body of dragging is provided with the rach slot matched with automobile steering device tooth bar lateral wall, the cell wall of described rach slot is for being semi-cylindrical, and the groove opened for both sides, the friction lining suitable with rach slot cell wall shape is provided with in described rach slot, the cell wall of described friction lining and described rach slot is fitted, described friction lining is obtained by steel back composite, the described seat body that drags is obtained by zinc alloy material, semi-cylindrical place axis and the described axes normal at seat body place that drags of described rach slot are arranged, the described side of dragging seat body to deviate from rach slot is provided with spring groove, the bottom of described spring groove is provided with for the sheathed columned spacing projection of spring,
As preferably, described dragging in seat body is provided with groove, rach slot described in described groove is communicated with and described spring groove, the bottom of described friction lining is provided with riveted joint protuberance, shape and the described groove of described riveted joint protuberance are suitable, described riveted joint protuberance embeds the side of groove by friction lining, and described friction lining is riveted on by the mode of punching press and described drags on seat body, is provided with the friction film trap arranged for friction lining in described rach slot.
As preferably, the two ends of described tooth bar housing are provided with dust boot, described tooth bar housing is provided with air extractor vent, described air extractor vent is arranged on tooth bar housing by the sidewall at tooth bar housing both ends place, described air extractor vent is communicated with by breather pipe, described tooth bar housing arranges air extractor vent place and is provided with air extractor vent seat, inner hollow on described air extractor vent seat, described breather pipe is communicated with described air extractor vent with by described air extractor vent seat.
After adopting above-mentioned preferred version, the setting of dust boot can effectively prevent entering of other magazines such as dust or water again, plays good dustproof effect; Air extractor vent adopts external to replace existing interior drilling deep hole, and processing technology is more simple, and reduce tooling cost, can not blow clean because of the iron filings in tooth bar deep hole, affect the normal transmission of rack pinion, cleanliness level is higher meanwhile, runs more steady.
As preferably, tooth bar inner chamber is provided with in described tooth bar housing, described tooth bar is provided with piston, tooth bar inner chamber is separated in the left chamber of tooth bar and the right chamber of tooth bar by described piston, described tooth bar housing is provided with two tooth bar housing oilholes, described tooth bar housing oilhole is opened in the left chamber of tooth bar and the right chamber of tooth bar respectively, described tooth bar housing oilhole is provided with tubing seal device, described tubing seal device comprises the seal receptacle be arranged on tooth bar housing and shaft housing, the seal receptacle through hole be communicated with tooth bar housing is provided with in described seal receptacle, described seal receptacle is provided with columned oil pocket base away from the side that it coordinates with tooth bar housing, the oil pocket base through hole be communicated with seal receptacle through hole is provided with in described oil pocket base, the lateral wall of described oil pocket base is provided with oil pocket side through hole, described oil pocket side through hole is communicated with described seal receptacle through hole, described oil pocket base is provided with sealing screw away from one end of seal receptacle, described sealing screw is through oil pocket base through hole and seal receptacle through hole, and formed with described oil pocket base and be sealed and matched, screwing through hole is provided with in described sealing screw.
After adopting above-mentioned preferred version, tubing seal device is that the installation of oil pocket pipe is provided convenience, when installing oil pocket pipe, as long as the end of oil pocket pipe is inserted in oil pocket side through hole, then press seal screw, easier for installation, sealing property is better.
As preferably, described sealing screw comprises screw pole and screw head, described screw head and described oil pocket base offset and arrange, the screw pole of described sealing screw stretches into oil pocket base through hole and seal receptacle through hole, described screwing through hole comprises be interconnected screw vertical core and screw cross-drilled hole, described screw cross-drilled hole is communicated with described oil pocket side through hole, described oil pocket base is provided with lower seal annular groove by the side of seal receptacle, described lower seal annular groove is annular half groove, the lower seal of annular is provided with in described lower seal annular groove, described lower seal is grommet type seals, one end and the described lower seal annular groove of described lower seal offset, the other end and described seal receptacle top offset and arrange,
The side that described oil pocket base deviates from seal receptacle is provided with upper sealing ring groove, described upper sealing ring groove is annular half groove, the upper seal ring of annular is provided with in described upper sealing ring groove, one end of described upper seal ring and described screw head offset and arrange, the other end and described upper sealing ring groove offset and arrange, and described lower seal and upper seal ring are O RunddichtringO.
After adopting above-mentioned preferred version, the structure of sealing screw of the present utility model is compacter, the better tightness between oil pocket base and seal receptacle, and the setting of seal ring simultaneously does not take the space in oil pocket base through hole, structure is compacter, also can not cause the phenomenon of scuffing to seal ring simultaneously.
As preferably, sealing shroud is arranged with outside described tooth bar, described sealing shroud comprises sealing shroud body, the sealing shroud tooth bar through hole passed through for automobile steering rack is provided with in described sealing shroud body, the cross-sectional plane of described sealing shroud tooth bar through hole is circular, described sealing shroud tooth bar through hole has madial wall to be provided with sealing shroud circular groove, be provided with in described sealing shroud circular groove without cunning dynamic bearing, sealing shroud High-pressure oil sealing device is also provided with in described sealing shroud tooth bar through hole, described sealing shroud High-pressure oil sealing device is arranged on the outer side of sealing shroud tooth bar through hole, the side of described sealing shroud circular groove is towards sealing shroud tooth bar through hole outside opening, and sealing shroud boss is set at opening part, described sealing shroud High-pressure oil sealing device is arranged on sealing shroud boss, the lateral wall of described sealing shroud body is provided with the sealing shroud seal groove of annular, O-ring seals is provided with in described sealing shroud seal groove, the planar annular at described sealing shroud seal groove place is vertical with the axial location of described sealing shroud tooth bar through hole to be arranged, the lateral wall of described sealing shroud body is provided with the sealing shroud restriction protrusion of annular.
After adopting above-mentioned preferred version, sealing shroud is arranged with outside tooth bar, in sealing shroud, oilless metal is set, oilless metal under the effect not having lubricating oil, have wear-resisting, friction coefficient is little, long service life a little, in addition, oilless metal due to volume little, sidewall is thinner, and quality is light, the wall thickness of lining can be made to increase, thus improve the intensity of bush body; The High-pressure oil sealing device that is set to of boss provides installation site, and structure is compacter; O-ring seals the sealing property that can increase lining and tooth bar housing shell is set, effectively can prevent oil leakage phenomenon.The arranging of sealing shroud restriction protrusion can make sealing shroud body more stably be fixed on ad-hoc location in tooth bar housing, avoids slippage occurs.
As preferably, the side that described sealing shroud body deviates from sealing shroud High-pressure oil sealing device is provided with sealing shroud inclined-plane, described tooth bar housing and corresponding position, sealing shroud inclined-plane are provided with tooth bar housing groove, elastic spring is provided with in described tooth bar housing groove, described elastic spring and described sealing shroud inclined-plane offset and arrange, described elastic spring comprises circular back-up ring ring body, the side of described back-up ring ring body is provided with breach, form two breach ends of back-up ring ring body, described breach end bends towards elastic spring ring-shaped inner part, and extend to form back-up ring gripping section, described back-up ring gripping section is end of conflicting away from one end of breach end, described back-up ring gripping section quantity is two, be separately positioned on two described breach ends, described back-up ring gripping section is arranged in parallel.
After adopting above-mentioned preferred version, the back-up ring body of elastic spring arranges back-up ring gripping section in indentation, there, when being convenient to dismantle, instrument is stretched into the space between two back-up ring gripping sections and back-up ring ring body, and clamp two back-up ring gripping sections elastic spring is disassembled, without the need to other other steps, be more convenient to dismounting maintenance.
Automobile steering device of the present utility model adopts the setting different with gear wheel shaft with conventional steering axle in the spacing cooperation place of steering shaft and gear wheel shaft, reduced gradually to outside cylinder cambered surface by interior cylinder cambered surface at the thickness of the projection of steering shaft, thus the straight plane of projection is obliquely installed diametrically, on steering shaft, processing technology is simpler, and the straight plane of limiting stopper on the same limiting stopper of gear wheel shaft at grade, achieve rotation-limited function, effectively reduce tooling cost.
Accompanying drawing explanation
Fig. 1 is the integral structure schematic diagram of the utility model embodiment;
Fig. 2 is the longitudinal profile structural representation of the utility model embodiment;
Fig. 3 is the structural representation of the utility model embodiment valve pocket;
Fig. 4 is the longitudinal profile structural representation of the utility model embodiment valve pocket;
Fig. 5 is the fit structure schematic diagram of the utility model embodiment valve pocket and steering shaft;
Fig. 6 is the partial enlarged drawing at C place in Fig. 5;
Fig. 7 is the construction profile schematic diagram of the utility model embodiment steering shaft;
Fig. 8 is the cross-sectional view of the utility model embodiment steering shaft;
Fig. 9 is the structural representation of the end of the utility model embodiment steering shaft;
Figure 10 is the structural representation of the utility model embodiment gear wheel shaft;
Figure 11 is the cross-sectional view of the utility model embodiment gear wheel shaft;
Figure 12 is the structural representation of the end face of the utility model embodiment gear wheel shaft;
Figure 13 is the end face structure schematic diagram of the utility model embodiment steering shaft when coordinating with gear wheel shaft;
End face structure schematic diagram when Figure 14 coordinates with gear wheel shaft when being the left-hand rotation of the utility model embodiment steering shaft;
End face structure schematic diagram when Figure 15 coordinates with gear wheel shaft when being the right-hand rotation of the utility model embodiment steering shaft;
Figure 16 is the structural representation dragging seat of the utility model embodiment;
Figure 17 is the structural representation dragging seat body of the utility model embodiment;
Figure 18 is the section-drawing at A-A place in Figure 17;
Figure 19 is the utility model embodiment friction lining plan structure schematic diagram;
Figure 20 is the construction profile schematic diagram of the utility model embodiment friction lining;
Figure 21 is the partial enlarged drawing at A place in Fig. 1;
Figure 22 is the structural representation of the utility model embodiment tubing seal seat;
Figure 23 is the structural representation of the utility model embodiment sealing shroud;
Figure 24 is the structural representation of the utility model embodiment sealing shroud and elastic spring;
Figure 25 is the structural representation of the utility model embodiment elastic spring;
Figure 26 is the utility model embodiment elastic spring mounting structure schematic diagram.
Detailed description of the invention
As shown in Fig. 1-Figure 22, embodiment of the present utility model is a kind of automobile steering device specifically, comprise tooth bar housing 1 and shaft housing 2, shaft housing 2 place axis and tooth bar housing 1 place axes intersect are arranged, one end of shaft housing 2 is communicated with tooth bar housing 1, be provided with tooth bar 3 in tooth bar housing 1, the two ends of tooth bar 3 are provided with the pull bar 31 installed with automotive wheel and coordinate.Gear wheel shaft 4 and the steering shaft 5 of coaxial setting is provided with in shaft housing 2, valve pocket 6 is arranged with outside steering shaft 5, valve pocket 6 leans on side and valve pocket 6 heavy keying fit of gear wheel shaft 4, is provided with steering shaft torsion bar through hole 51, is provided with the torsion bar 52 be connected with vehicle steering in steering shaft torsion bar through hole 51 in steering shaft 5.Steering shaft torsion bar through hole 51 is arranged along the axial direction of steering shaft 5, and the side lateral wall of gear wheel shaft 4 is provided with helical wheel 41.One end that gear wheel shaft 4 deviates from helical wheel 41 is provided with two rotating shaft limiting stoppers 42 and a gear wheel shaft torsion bar hole 43 of inserting for torsion bar 52 end, torsion bar 52 inserts in gear wheel shaft torsion bar hole 43 by one end of gear wheel shaft 4, and is formed a fixed connection by the mode of bearing pin and gear wheel shaft 4.Rotating shaft limiting stopper 42 is symmetricly set on the end face of the opening part in gear wheel shaft torsion bar hole 43 respectively, rotating shaft limiting stopper 42 is the limiting stopper outside cylinder cambered surface 421 with gear wheel shaft 4 lateral wall adaptation by the side of gear wheel shaft 4 lateral wall, rotating shaft limiting stopper 42 is cylinder cambered surface 422 in the limiting stopper suitable with the cylinder cambered surface in gear wheel shaft torsion bar hole 43 by the side in gear wheel shaft torsion bar hole 43, side in the limiting stopper outside cylinder cambered surface 421 of rotating shaft limiting stopper 42 and limiting stopper between cylinder cambered surface 422 is the straight plane 423 of limiting stopper, limiting stopper plane 423 on same rotating shaft limiting stopper 42 is in the same plane, limiting stopper plane 423 on the rotating shaft limiting stopper 42 limiting stopper plane 423 relative with on another rotating shaft limiting stopper 42 forms bayonet socket 424.The side that steering shaft 5 coordinates with gear wheel shaft 4 is provided with the projection 52 embedding two bayonet sockets 424 respectively, the lateral surface of projection 52 is the projection outside cylinder cambered surface 521 suitable with steering shaft 5 axis body lateral wall cylinder cambered surface, projection 52 is cylinder cambered surface 522 in the projection suitable with the cylinder cambered surface of steering shaft torsion bar through hole 51 by the side of steering shaft torsion bar through hole 51, be the straight plane 523 of projection between cylinder cambered surface 522 in the projection outside cylinder cambered surface 521 of projection 52 and projection, the thickness of projection 52 is reduced gradually by interior cylinder cambered surface 522 to outside cylinder cambered surface 521.
The straight plane of limiting stopper 423 and the straight plane of projection 523 obtain by washing straight mode, the steering shaft limiting stopper 42 of gear wheel shaft 4 end is provided with the gear wheel shaft pin-and-hole 425 be equipped with the torsion bar 52 of automobile steering device, and the perforate direction of gear wheel shaft pin-and-hole 425 is vertical with the axial direction of gear wheel shaft 4 to be arranged.The lateral wall outer of the rotating shaft limiting stopper 42 of gear wheel shaft 4 end is provided with limiting stopper chamfering 426.Steering shaft 5 is provided with uniform steering shaft outer oil sump 53 by the lateral wall of its side coordinated with gear wheel shaft 4, and the length direction of steering shaft outer oil sump 53 is identical with the axial direction of steering shaft 5.The bottom land of steering shaft outer oil sump 53 is provided with steering shaft oilhole 531, and steering shaft oilhole 531 is communicated with steering shaft outer oil sump 53 and steering shaft torsion bar through hole 51, and steering shaft 5 is provided with oil through 54 by steering shaft outer oil sump 53 place;
The valve pocket hole 61 stretched into for steering shaft 5 is provided with in valve pocket 6, valve pocket hole 61 madial wall is uniformly distributed six valve pocket oil groove 62, valve pocket oil groove 62 is in strip, the length direction of valve pocket oil groove 62 is identical with the axial direction in valve pocket hole 61, valve pocket oil outlet 621 is provided with bottom valve pocket oil groove 62, valve pocket oil outlet 621 is communicated with the outside of valve pocket oil groove 62 and valve pocket 6, and the sidewall of valve pocket 6 is provided with valve pocket fuel feed hole 63.Valve pocket fuel feed hole 63 arranges between valve pocket oil groove 62 and adjacent valve pocket oil groove 62 respectively, the outside of valve pocket fuel feed hole 63 communication valve trepanning 61 and valve pocket 6, the madial wall in valve pocket hole 61 is provided with valve pocket back leakage groove 64, valve pocket back leakage groove 64 is open-minded by the side of valve pocket hole 61 opening direction, form valve pocket back leakage groove side opening 641, valve pocket 6 is provided with valve pocket fuel return hole 642 by the sidewall of the side of valve pocket back leakage groove side opening 641.
Tooth bar 3 is provided with tooth bar and drags seat 32, tooth bar drags seat 32 to comprise and columnedly drags seat body 321, drag the side of seat body 321 to be provided with the rach slot 322 matched with automobile steering device tooth bar 3 lateral wall, the cell wall of rach slot 322 is in semi-cylindrical, and the groove opened for both sides.Be provided with the friction lining 323 suitable with rach slot 322 cell wall shape in rach slot 322, friction lining 323 is fitted with the cell wall of rach slot 322.Friction lining 323 is obtained by steel back composite.Seat body 321 is dragged to be obtained by zinc alloy material, the semi-cylindrical place axis of rach slot 322 with drag the axes normal at seat body 321 place to arrange, the side of dragging seat body 321 to deviate from rach slot 322 is provided with spring groove 324, the bottom of spring groove 324 is provided with for the sheathed columned spacing projection 326 of spring 325, drag in seat body 321 and be provided with groove 3211, groove 3211 is communicated with rach slot 322 and spring groove 324, the bottom of friction lining 323 is provided with riveted joint protuberance 3231, shape and the groove 3211 of riveted joint protuberance 3231 are suitable, riveted joint protuberance 3231 embeds the side of groove 3211 by friction lining 323, friction lining 323 is riveted on by the mode of punching press and drags on seat body 321, the friction film trap 3221 arranged for friction lining 323 is provided with in rach slot 322.
The two ends of tooth bar housing 1 are provided with dust boot 11, tooth bar housing 1 is provided with air extractor vent 12, air extractor vent 12 is arranged on tooth bar housing 1 by the sidewall at tooth bar housing 1 both ends place, air extractor vent 12 is communicated with by breather pipe 13, tooth bar housing 1 is arranged air extractor vent 12 place and be provided with air extractor vent seat 14, air extractor vent seat 14 inner hollow, breather pipe 13 is communicated with air extractor vent 12 by air extractor vent seat 14.
Tooth bar inner chamber 15 is provided with in tooth bar housing 1, tooth bar 3 is provided with piston 33, tooth bar inner chamber 15 is separated left chamber 151 and the right chamber 152 of tooth bar in tooth bar by piston 33, tooth bar housing 1 is provided with two tooth bar housing oilholes 153, tooth bar housing oilhole 153 is opened in the left chamber of tooth bar 151 and the right chamber 152 of tooth bar respectively, tooth bar housing oilhole 153 is provided with tubing seal device 16, tubing seal device 16 comprises the seal receptacle 161 be arranged on tooth bar housing 1 and shaft housing 2, the seal receptacle through hole 1611 be communicated with tooth bar housing 1 is provided with in seal receptacle 161, seal receptacle 161 is provided with columned oil pocket base 162 away from the side that it coordinates with tooth bar housing 1, the oil pocket base through hole 1621 be communicated with seal receptacle through hole 1611 is provided with in oil pocket base 162, the lateral wall of oil pocket base 162 is provided with oil pocket side through hole 1622, oil pocket side through hole 1622 is communicated with seal receptacle through hole 1611, oil pocket base 162 is provided with sealing screw 163 away from one end of seal receptacle 161, sealing screw 163 is through oil pocket base through hole 1621 and seal receptacle through hole 1611, and formed with oil pocket base 162 and be sealed and matched, screwing through hole 1631 is provided with in sealing screw 163.
Sealing screw 163 comprises screw pole 1632 and screw head 1633, screw head 1632 and oil pocket base 162 offset and arrange, the screw pole 1632 of sealing screw 163 stretches into oil pocket base through hole 1621 and seal receptacle through hole 1611, screwing through hole 1631 comprises be interconnected screw vertical core 16311 and screw cross-drilled hole 16312, screw cross-drilled hole 16312 is communicated with oil pocket side through hole 1622, oil pocket base 162 is provided with lower seal annular groove 1623 by the side of seal receptacle 161, lower seal annular groove 1623 is annular half groove, the lower seal 1624 of annular is provided with in lower seal annular groove 1623, lower seal 1624 is grommet type seals, one end and the lower seal annular groove 1623 of lower seal 1624 offset, the other end and seal receptacle 161 top offset and arrange, the side that oil pocket base 162 deviates from seal receptacle 161 is provided with upper sealing ring groove 1625, upper sealing ring groove 1625 is annular half groove, the upper seal ring 1626 of annular is provided with in upper sealing ring groove 1625, one end of upper seal ring 1626 and screw head 1632 offset and arrange, the other end and upper sealing ring groove 1625 offset and arrange, lower seal 1624 and upper seal ring 1626 are O RunddichtringO.
Be arranged with sealing shroud 34 outside tooth bar 3, sealing shroud 34 comprises sealing shroud body 341, is provided with the sealing shroud tooth bar through hole 3411 passed through for automobile steering rack 3 in sealing shroud body 341.The cross-sectional plane of sealing shroud tooth bar through hole 3411 is circular, and sealing shroud tooth bar through hole 3411 has madial wall to be provided with sealing shroud circular groove 3412.Be provided with without cunning dynamic bearing 342 in sealing shroud circular groove 3412, sealing shroud High-pressure oil sealing device 343 is also provided with in sealing shroud tooth bar through hole 3411, sealing shroud High-pressure oil sealing device 343 is arranged on the outer side of sealing shroud tooth bar through hole 3411, the side of sealing shroud circular groove 3412 is towards sealing shroud tooth bar through hole 3411 outside opening, and sealing shroud boss 344 is set at opening part, sealing shroud High-pressure oil sealing device 343 is arranged on sealing shroud boss 344.The lateral wall of sealing shroud body 341 is provided with the sealing shroud seal groove 345 of annular, O-ring seals 346 is provided with in sealing shroud seal groove 345, the planar annular at sealing shroud seal groove 345 place is vertical with the axial location of sealing shroud tooth bar through hole 3411 to be arranged, and the lateral wall of sealing shroud body 341 is provided with the sealing shroud restriction protrusion 347 of annular.
The side that sealing shroud body 341 deviates from sealing shroud High-pressure oil sealing device 343 is provided with sealing shroud inclined-plane 348, tooth bar housing 1 and corresponding position, sealing shroud inclined-plane 348 are provided with tooth bar housing groove 17, elastic spring 35 is provided with in tooth bar housing groove 17, elastic spring 35 and sealing shroud inclined-plane 348 offset and arrange, elastic spring 35 comprises circular back-up ring ring body 351, the side of back-up ring ring body 351 is provided with breach 352, form two breach ends 3521 of back-up ring ring body 351, breach end 3521 bends towards elastic spring 35 ring-shaped inner part, and extend to form back-up ring gripping section 3522, back-up ring gripping section 3522 is conflict end 3523 away from one end of breach end, back-up ring gripping section 1522 quantity is two, to be separately positioned on two breach ends 3521, back-up ring gripping section 3522 is arranged in parallel.
Automobile steering device steering shaft of the present utility model and gear wheel shaft assembly process straight bayonet socket 424 on gear wheel shaft 4, and gear wheel shaft 4 is processed the plane of inclination, and processing technology is simpler.
Claims (10)
1. an automobile steering device, comprise tooth bar housing and shaft housing, shaft housing place axis and tooth bar housing place axes intersect are arranged, one end of described shaft housing is communicated with tooth bar housing, tooth bar is provided with in described tooth bar housing, the two ends of tooth bar are provided with installs with automotive wheel the pull bar coordinated, gear wheel shaft and the steering shaft of coaxial setting is provided with in described shaft housing, valve pocket is arranged with outside described steering shaft, described valve pocket leans on side and the valve pocket heavy keying fit of gear wheel shaft, steering shaft torsion bar through hole is provided with in described steering shaft, described steering shaft torsion bar through hole is arranged along the axial direction of described steering shaft, the side lateral wall of described gear wheel shaft is provided with helical wheel, it is characterized in that: described gear wheel shaft deviates from helical gear one end and is provided with two rotating shaft limiting stoppers and a gear wheel shaft torsion bar hole of inserting for torsion bar end, described rotating shaft limiting stopper is symmetricly set on the end face of the opening part in described gear wheel shaft torsion bar hole respectively, described rotating shaft limiting stopper is the limiting stopper outside cylinder cambered surface with gear wheel shaft lateral wall adaptation by the side of gear wheel shaft lateral wall, described rotating shaft limiting stopper is cylinder cambered surface in the limiting stopper suitable with the cylinder cambered surface in gear wheel shaft torsion bar hole by the side in gear wheel shaft torsion bar hole, side in the limiting stopper outside cylinder cambered surface of described rotating shaft limiting stopper and limiting stopper between cylinder cambered surface is the straight plane of limiting stopper, limiting stopper plane on same rotating shaft limiting stopper is in the same plane, limiting stopper plane on the described rotating shaft limiting stopper limiting stopper plane relative with on another rotating shaft limiting stopper forms bayonet socket, the side that described steering shaft coordinates with gear wheel shaft is provided with the projection embedding two bayonet sockets respectively, the lateral surface of described projection is the projection outside cylinder cambered surface suitable with steering shaft axis body lateral wall cylinder cambered surface, described projection is cylinder cambered surface in the projection suitable with the cylinder cambered surface of steering shaft torsion bar through hole by the side of steering shaft torsion bar through hole, be the straight plane of projection between cylinder cambered surface in the projection outside cylinder cambered surface of described projection and projection, the thickness of described projection is reduced to outside cylinder cambered surface gradually by interior cylinder cambered surface.
2. automobile steering device according to claim 1, it is characterized in that: the straight plane of described limiting stopper and the straight plane of projection obtain by washing straight mode, the steering shaft limiting stopper of described gear wheel shaft end is provided with the gear wheel shaft pin-and-hole be equipped with torsion bar of automobile steering gear, the perforate direction of described gear wheel shaft pin-and-hole is vertical with the axial direction of described gear wheel shaft to be arranged, and the lateral wall outer of the rotating shaft limiting stopper of described gear wheel shaft end is provided with limiting stopper chamfering.
3. automobile steering device according to claim 1, it is characterized in that: described steering shaft is provided with some uniform steering shaft outer oil sumps by the lateral wall of its side coordinated with gear wheel shaft, the length direction of described steering shaft outer oil sump is identical with the axial direction of described steering shaft, the bottom land of described steering shaft outer oil sump is provided with steering shaft oilhole, steering shaft outer oil sump described in described steering shaft oilhole is communicated with and described steering shaft torsion bar through hole, described steering shaft is provided with oil through by steering shaft outer oil sump place;
The valve pocket hole stretched into for steering shaft is provided with in described valve pocket, described valve pocket hole madial wall is uniformly distributed six valve pocket oil groove, described valve pocket oil groove is strip, the length direction of described valve pocket oil groove is identical with the axial direction in described valve pocket hole, valve pocket oil outlet is provided with bottom described valve pocket oil groove, described valve pocket oil outlet is communicated with the outside of valve pocket oil groove and valve pocket, the sidewall of described valve sleeve body is provided with valve pocket fuel feed hole, described valve pocket fuel feed hole arranges between valve pocket oil groove and adjacent valve pocket oil groove respectively, described valve pocket fuel feed hole communication valve trepanning and the outside of valve sleeve body, the madial wall in described valve pocket hole is provided with valve pocket back leakage groove, described valve pocket back leakage groove is open-minded by the side of valve pocket hole opening direction.
4. automobile steering device according to claim 1, it is characterized in that: described tooth bar is provided with tooth bar and drags seat, described tooth bar drags seat to comprise and columnedly drags seat body, the described side of seat body of dragging is provided with the rach slot matched with automobile steering device tooth bar lateral wall, the cell wall of described rach slot is for being semi-cylindrical, and the groove opened for both sides, the friction lining suitable with rach slot cell wall shape is provided with in described rach slot, the cell wall of described friction lining and described rach slot is fitted, described friction lining is obtained by steel back composite, the described seat body that drags is obtained by zinc alloy material, semi-cylindrical place axis and the described axes normal at seat body place that drags of described rach slot are arranged, the described side of dragging seat body to deviate from rach slot is provided with spring groove, the bottom of described spring groove is provided with for the sheathed columned spacing projection of spring.
5. automobile steering device according to claim 4, it is characterized in that: described dragging in seat body is provided with groove, rach slot described in described groove is communicated with and described spring groove, the bottom of described friction lining is provided with riveted joint protuberance, shape and the described groove of described riveted joint protuberance are suitable, described riveted joint protuberance embeds the side of groove by friction lining, described friction lining is riveted on by the mode of punching press and described drags on seat body, is provided with the friction film trap arranged for friction lining in described rach slot.
6. automobile steering device according to claim 1, it is characterized in that: the two ends of described tooth bar housing are provided with dust boot, described tooth bar housing is provided with air extractor vent, described air extractor vent is arranged on tooth bar housing by the sidewall at tooth bar housing both ends place, described air extractor vent is communicated with by breather pipe, described tooth bar housing arranges air extractor vent place and is provided with air extractor vent seat, inner hollow on described air extractor vent seat, described breather pipe is communicated with described air extractor vent with by described air extractor vent seat.
7. automobile steering device according to claim 1, it is characterized in that: described in: be provided with tooth bar inner chamber in described tooth bar housing, described tooth bar is provided with piston, tooth bar inner chamber is separated in the left chamber of tooth bar and the right chamber of tooth bar by described piston, described tooth bar housing is provided with two tooth bar housing oilholes, described tooth bar housing oilhole is opened in the left chamber of tooth bar and the right chamber of tooth bar respectively, described tooth bar housing oilhole is provided with tubing seal device, described tubing seal device comprises the seal receptacle be arranged on tooth bar housing and shaft housing, the seal receptacle through hole be communicated with tooth bar housing is provided with in described seal receptacle, described seal receptacle is provided with columned oil pocket base away from the side that it coordinates with tooth bar housing, the oil pocket base through hole be communicated with seal receptacle through hole is provided with in described oil pocket base, the lateral wall of described oil pocket base is provided with oil pocket side through hole, described oil pocket side through hole is communicated with described seal receptacle through hole, described oil pocket base is provided with sealing screw away from one end of seal receptacle, described sealing screw is through oil pocket base through hole and seal receptacle through hole, and formed with described oil pocket base and be sealed and matched, screwing through hole is provided with in described sealing screw.
8. automobile steering device according to claim 7, it is characterized in that: described sealing screw comprises screw pole and screw head, described screw head and described oil pocket base offset and arrange, the screw pole of described sealing screw stretches into oil pocket base through hole and seal receptacle through hole, described screwing through hole comprises be interconnected screw vertical core and screw cross-drilled hole, described screw cross-drilled hole is communicated with described oil pocket side through hole, described oil pocket base is provided with lower seal annular groove by the side of seal receptacle, described lower seal annular groove is annular half groove, the lower seal of annular is provided with in described lower seal annular groove, described lower seal is grommet type seals, one end and the described lower seal annular groove of described lower seal offset, the other end and described seal receptacle top offset and arrange,
The side that described oil pocket base deviates from seal receptacle is provided with upper sealing ring groove, described upper sealing ring groove is annular half groove, the upper seal ring of annular is provided with in described upper sealing ring groove, one end of described upper seal ring and described screw head offset and arrange, the other end and described upper sealing ring groove offset and arrange, and described lower seal and upper seal ring are O RunddichtringO.
9. automobile steering device according to claim 1, it is characterized in that: outside described tooth bar, be arranged with sealing shroud, described sealing shroud comprises sealing shroud body, the sealing shroud tooth bar through hole passed through for automobile steering rack is provided with in described sealing shroud body, the cross-sectional plane of described sealing shroud tooth bar through hole is circular, described sealing shroud tooth bar through hole has madial wall to be provided with sealing shroud circular groove, be provided with in described sealing shroud circular groove without cunning dynamic bearing, sealing shroud High-pressure oil sealing device is also provided with in described sealing shroud tooth bar through hole, described sealing shroud High-pressure oil sealing device is arranged on the outer side of sealing shroud tooth bar through hole, the side of described sealing shroud circular groove is towards sealing shroud tooth bar through hole outside opening, and sealing shroud boss is set at opening part, described sealing shroud High-pressure oil sealing device is arranged on sealing shroud boss, the lateral wall of described sealing shroud body is provided with the sealing shroud seal groove of annular, O-ring seals is provided with in described sealing shroud seal groove, the planar annular at described sealing shroud seal groove place is vertical with the axial location of described sealing shroud tooth bar through hole to be arranged, the lateral wall of described sealing shroud body is provided with the sealing shroud restriction protrusion of annular.
10. automobile steering device according to claim 9, it is characterized in that: the side that described sealing shroud body deviates from sealing shroud High-pressure oil sealing device is provided with sealing shroud inclined-plane, described tooth bar housing and corresponding position, sealing shroud inclined-plane are provided with tooth bar housing groove, elastic spring is provided with in described tooth bar housing groove, described elastic spring and described sealing shroud inclined-plane offset and arrange, described elastic spring comprises circular back-up ring ring body, the side of described back-up ring ring body is provided with breach, form two breach ends of back-up ring ring body, described breach end bends towards elastic spring ring-shaped inner part, and extend to form back-up ring gripping section, described back-up ring gripping section is end of conflicting away from one end of breach end, described back-up ring gripping section quantity is two, be separately positioned on two described breach ends, described back-up ring gripping section is arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330914.XU CN204184432U (en) | 2014-06-13 | 2014-06-13 | A kind of automobile steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330914.XU CN204184432U (en) | 2014-06-13 | 2014-06-13 | A kind of automobile steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204184432U true CN204184432U (en) | 2015-03-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420330914.XU Expired - Fee Related CN204184432U (en) | 2014-06-13 | 2014-06-13 | A kind of automobile steering device |
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| Country | Link |
|---|---|
| CN (1) | CN204184432U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228932A (en) * | 2014-06-13 | 2014-12-24 | 王洁梅 | Automobile steering gear |
| CN112455530A (en) * | 2019-09-06 | 2021-03-09 | 比亚迪股份有限公司 | Angle transmission device, steering system and vehicle |
-
2014
- 2014-06-13 CN CN201420330914.XU patent/CN204184432U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228932A (en) * | 2014-06-13 | 2014-12-24 | 王洁梅 | Automobile steering gear |
| CN104228932B (en) * | 2014-06-13 | 2017-10-20 | 王洁梅 | A kind of automobile steering device |
| CN112455530A (en) * | 2019-09-06 | 2021-03-09 | 比亚迪股份有限公司 | Angle transmission device, steering system and vehicle |
| CN112455530B (en) * | 2019-09-06 | 2022-06-10 | 比亚迪股份有限公司 | Angle transmission device, steering system and vehicle |
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