CN202847799U - Automobile steering engine - Google Patents
Automobile steering engine Download PDFInfo
- Publication number
- CN202847799U CN202847799U CN 201220546683 CN201220546683U CN202847799U CN 202847799 U CN202847799 U CN 202847799U CN 201220546683 CN201220546683 CN 201220546683 CN 201220546683 U CN201220546683 U CN 201220546683U CN 202847799 U CN202847799 U CN 202847799U
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- China
- Prior art keywords
- steering shaft
- gear wheel
- valve pocket
- wheel shaft
- groove
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an automobile steering engine which comprises a rack casing and a driving casing connected with the rack casing. A rack is arranged in the rack casing, a steering shaft is arranged in the driving casing, a valve sleeve is sleeved outside the steering shaft, a gear shaft is arranged at one end of the steering shaft and meshed with the rack, the valve sleeve and the gear shaft are in buckling connection, a plurality of steering shaft oil grooves are arranged outside the steering shaft, and a valve sleeve oil groove is arranged in the valve sleeve. Each steering shaft oil groove comprises a bottom wall and a straight lateral side, the bottom wall is a cylindrical arc surface, the axial direction where the cylindrical arc surface is located is perpendicular to the axial direction of the steering shaft and the plane where the straight lateral wall is located, the cylindrical arc surface extends to the surface of a shaft body to form the arc surface lateral wall of the steering shaft oil groove, a chamfer surface is arranged on one side of the straight lateral wall far away from the bottom of the steering shaft oil groove, and the chamber surface and the straight lateral wall form an acute angle. The chamber surface and the straight lateral wall form the acute angle so that the automobile steering engine is not apt to have burrs or iron sands, is stable when hydraulic oil passes through, and greatly improves driving comfortableness.
Description
Technical field
The utility model relates to the automobile steering device technical field, is specifically related to a kind of automobile steering device.
Background technology
Steering box on the automobile helps the driver firmly use dynamics to alleviate the driver when turning to when the driver beats bearing circle, when reaching driving the driver easily, machine easily, mainly be divided into rack steering machine and Worm-gear type steering box.Existing car rack formula steering box mainly is connected with gear wheel shaft by steering shaft, steering shaft is arranged with valve pocket outward, gear wheel shaft and tooth bar engagement, tooth bar is connected with pull bar, pull bar is connected setting with the wheel of automobile, thereby by bearing circle to the steering shaft input power, thereby the conversion of control wheel direction, thereby change vehicle traveling direction.Be provided with torsion bar in the steering shaft, the lateral wall of steering shaft is provided with the steering shaft oil groove, steering shaft is provided with steering shaft oil groove positions place and is arranged with valve pocket, be provided with the valve pocket oil groove that is equipped with the steering shaft oil groove in the valve pocket, valve pocket is provided with the oilhole that matches with the valve pocket oil groove, oilhole is communicated with the automobile oil cylinder of valve pocket lateral wall, motion by the mobile control tooth bar outer piston of hydraulic oil between gear wheel shaft and gear wheel shaft and tooth bar, thereby provide extra power in the time of can beating bearing circle for the driver, the driver is travelled lighter.
At present, the outside of existing steering shaft is provided with the steering shaft oil groove, the steering shaft oil groove generally comprises the cambered surface wall, the both sides of cambered surface wall are straight sidewall, oil enters the steering shaft oil groove the fuel feed hole from valve pocket, steering shaft matches with oil outlet after rotating, thereby hydraulic oil flows out from the oil outlet of valve pocket again, the oil of the oil groove on this steering shaft goes out from the effluent away from the oil groove bottom land of straight sidewall, on straight sidewall, generally be provided with one with the vertically disposed outflow fillet surface of straight sidewall, this outflow fillet surface generally is to reverse to the angle of oil groove with the vertical wheel face up-and-down movement of oil groove line of centers, and easily generation burr or iron filings are residual in oil groove.Flow out the fluid passage of fillet surface and valve pocket madial wall formation hydraulic oil, the fluid passage is shorter, under the repeated stock or other factor effects of hydraulic oil, foreign matters from being blocked easily occurs at the flow pass place, foreign matters from being blocked may cause the axial plane of gear wheel shaft or steering shaft to be scratched, cause leakage of oil, even may cause steering box to be scrapped.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides a kind of can make the automobile steering device that vehicle drive is more comfortable, running of hydraulic power oil is more relaxed.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of automobile steering device, comprise tooth bar housing and the drive shell that is arranged on the tooth bar housing, one side of described drive shell is communicated with the tooth bar housing, be provided with tooth bar in the described tooth bar housing, be provided with steering shaft in the described drive shell, steering shaft is arranged with valve pocket outward, described steering shaft is provided with gear wheel shaft by an end of tooth bar housing, gear wheel shaft and tooth bar engagement arrange, valve pocket engages setting by gear wheel shaft one end with gear wheel shaft, described steering shaft is provided with some steering shaft oil grooves outward, be provided with the valve pocket oil groove that matches with the steering shaft oil groove in the described valve pocket, described valve pocket oil groove and steering shaft oil groove are the groove of strip shape, the direction of described valve pocket oil groove and the length of the steering shaft oil groove all length direction with steering shaft is identical, described steering shaft oil groove comprises diapire and straight sided, described diapire is the cylinder cambered surface, the cylinder cambered surface place axial direction of described diapire and vertical setting of axis body length direction of steering shaft, the cylinder cambered surface place axial direction of described diapire is vertical with the plane at straight sidewall place, the cylinder cambered surface of described diapire extends to the axis body surface, form the cambered surface sidewall of steering shaft oil groove, described straight sidewall is provided with fillet surface away from a side of steering shaft oil groove bottom, and described fillet surface and straight sidewall acutangulate setting.
As preferably, the lateral wall of described valve pocket is provided with annular oil groove, and the sidewall of described valve pocket is provided with the valve pocket fuel return hole, and described valve pocket center is provided with central through hole, and described valve pocket oil groove is arranged on the central through hole madial wall, and described valve pocket oil groove is 8.After adopting above-mentioned preferred version, steering box valve pocket of the present utility model adopts 8 valve pocket oil grooves, can make hydraulic oil carry out the lower oil cavitie oil return, and commonality is stronger.
As preferably, the end that described gear wheel shaft cooperates with valve pocket embeds the central through hole of valve pocket, the central through hole of described valve pocket is provided with the valve pocket limited step by a side of gear wheel shaft, in the described gear wheel shaft embedding central through hole one section is inconsistent with the valve pocket limited step, being formed into gear wheel shaft cooperates with the spacing of valve pocket central through hole, described valve pocket is provided with lock-joint by a side of gear wheel shaft, arranging towards the gear wheel shaft opening of described lock-joint, described gear wheel shaft and lock-joint corresponding position are provided with the gear wheel shaft pin-and-hole, be provided with the gear wheel shaft bayonet lock in the described gear wheel shaft pin-and-hole, described gear wheel shaft bayonet lock snaps in lock-joint, the snap fit setting of the lock-joint of formative gear axle bayonet lock and valve pocket towards the extension of the gear wheel shaft outside.After adopting above-mentioned preferred version, after the arranging of valve pocket limited step, after the end of gear wheel shaft embeds valve pocket, the end of gear wheel shaft forms spacing the cooperation with the valve pocket limited step, avoid gear wheel shaft excessively to go deep in the valve pocket, and at gear wheel shaft the gear wheel shaft pin-and-hole is set, at valve pocket lock-joint is set, by the gear wheel shaft bayonet lock valve pocket and gear wheel shaft are carried out radial and axial being fixed, fixed effect is fine, opening is set on the lock-joint, can easily the gear wheel shaft bayonet lock be taken apart from lock-joint, the maintenance dismounting is convenient.
As preferably, be provided with the torsion bar through hole in the described steering shaft, be provided with torsion bar in the described torsion bar through hole, described gear wheel shaft leans on a side of steering shaft to be provided with and turns to axial trough, described steering shaft trench bottom is provided with the torsion bar groove, be provided with steering shaft geosynclinal convex platform between described torsion bar groove top and steering shaft trench bottom, described steering shaft turns to axial trough by the end insertion of gear wheel shaft, and connect with steering shaft geosynclinal convex platform, the spacing heavy keying fit of formative gear axle and steering shaft, described torsion bar are inserted in the torsion bar groove after passing the torsion bar through hole by a side of gear wheel shaft.After adopting above-mentioned preferred version, steering shaft of the present utility model embed gear wheel shaft turn to axial trough after, form spacing the cooperation with steering shaft geosynclinal convex platform, turn to axial trough to carry out spacing to steering shaft diametrically, the steering shaft boss carries out spacing in the axial direction to steering shaft, axially and radially locating of steering shaft and gear wheel shaft is more accurate.
As preferably, described steering shaft is provided with the steering shaft protruded stigma of cylindrical shape by an end of gear wheel shaft, and described steering shaft protruded stigma embeds turning in the axial trough of gear wheel shaft, and described steering shaft protruded stigma is arranged with copper sheathing outward.After adopting above-mentioned preferred version, adopt copper sheathing effectively to cut down finished cost, the end inside that existing steering shaft cooperates with gear wheel shaft arranges needle bearing, process loaded down with trivial details, dimensional characteristic is high, and the needle bearing dimensioned is unpunctual, easily comes off, reduce the service life of steering box, even cause potential safety hazard.After adopting copper sheathing, be set in the outer and gear wheel shaft of steering shaft, be not easy to drop, low to the processing request of size, easily processing directly adopts numerically-controlled machine tool directly to process.
As preferably, the end of an end that leans on steering shaft of described gear wheel shaft is provided with two and is symmetricly set on the steering shaft fixture block that turns to the axial trough both sides, described steering shaft fixture block is the first cylinder cambered surface by a side in the gear wheel shaft outside, described steering shaft fixture block is the second cylinder cambered surface suitable with the cambered surface that turns to axial trough by a side that turns to axial trough, the side of the steering shaft fixture block between described the second cylinder cambered surface and the first cylinder cambered surface is snap-latch surface, described snap-latch surface is the plane parallel with the axial direction of gear wheel shaft, the one side that the steering shaft fixture block is relative with another steering shaft fixture block forms bayonet socket, and the bore of described bayonet socket is increased gradually by the lateral wall direction that turns to the axial trough direction to gear wheel shaft.After adopting above-mentioned preferred version, the bore of bayonet socket is by turning to axial trough to increase gradually to the gear wheel shaft lateral wall, and the end that steering shaft stretches into bayonet socket can rotate in bayonet socket, rotates more flexible, running of hydraulic power oil in the steering box is relaxed more, make steering box work more steady.
As preferably, be provided with between described tooth bar and housing and drag seat, the described seat that drags comprises the cylindrical seat body that drags, a described end that drags seat body be provided with automobile steering device tooth bar outer shape suitable drag a groove, the described cell wall of a groove that drags is shaped as the cylinder cambered surface, drag the both ends open of a groove to form groove, drag seat body to be provided with the spring groove of installing for spring away from a side of dragging a groove, the described seat that drags adopts the POM material to make, described middle part of dragging a groove is provided with drags block hole, the described end of block hole that drags is communicated with setting with dragging a groove, the other end is communicated with setting with spring groove, the bottom of described spring groove is provided with the spring boss of conflicting and arranging for spring, and the described lateral wall of seat body that drags is provided with the circular groove of placing for seal ring.After adopting above-mentioned preferred version, drag seat to adopt POM to omit simultaneously friction face as the making material that drags seat, directly utilize the cell wall conduct and the contacted friction face of tooth bar of dragging a groove, drag under the prerequisite of an intensity in assurance, reduced the tooling cost of dragging seat, simplify the structure of dragging seat, reduced work programme.
As preferably, the two ends of described tooth bar are provided with pull bar, one end of described pull bar is provided with the bulb installation portion that cooperates installation with the automobile steering device ball head device, the other end of pull bar is provided with the tooth bar installation portion that is equipped with tooth bar, described tooth bar installation portion comprises that being arranged on tie rod end cooperates the mounting nuts of installing with the tooth bar housing, mounting nuts deviate from the bulb installation portion the middle part be provided with the locking platform of column, described locking platform is provided with the columned pull bar protruded stigma that can snap in the tooth bar, the sidewall of described locking platform is provided with pair of parallel and is the locking face on plane, the external diameter of described locking platform forms the locking boss greater than the external diameter of pull bar protruded stigma, and described locking boss is provided with locking plate.After adopting above-mentioned preferred version, the automobile steering device pull bar arranges the locking platform at the joining place of mounting nuts and protruded stigma, locking platform both sides are provided with for the dead locking face of locking plate button, can effectively detain dead pull bar, guarantee the installation of captiveing joint of pull bar and tooth bar, prevent that effectively pull bar from becoming flexible, coming off, and improved the installation of steering box.
The fillet surface of automobile steering device of the present utility model and the straight sidewall of oil groove acutangulate setting, add and processed outside axle by oil groove straight sidewall direction man-hour, be not easy in oil groove, to produce burr or iron sand, and the fluid passage that fillet surface and valve pocket are formed increases, milder when hydraulic oil flows through, driving comfort improves greatly.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the partial enlarged drawing at A place among Fig. 1;
Fig. 3 is the partial enlarged drawing at B place among Fig. 1;
Fig. 4 is the partial enlarged drawing at C place among Fig. 1;
Fig. 5 is the structural representation that the utility model embodiment steering shaft, gear wheel shaft cooperate with valve pocket;
Fig. 6 is the cross-sectional view at A-A place among Fig. 5;
Fig. 7 is the structural representation of the utility model embodiment valve pocket;
Fig. 8 is the cross-sectional view that the utility model embodiment steering shaft cooperates with valve pocket;
Fig. 9 is the structural representation of the utility model embodiment steering shaft;
Figure 10 is the axial section structural representation of the utility model embodiment steering shaft;
Figure 11 is the cross-sectional view at G-G place among Fig. 9;
Figure 12 is the cross-sectional view at F-F place among Figure 10;
Figure 13 is the cross-sectional view at H-H place among Figure 12;
Figure 14 is the partial enlarged drawing at I place among Figure 12;
Figure 15 is the partial enlarged drawing at J place among Figure 14;
Figure 16 is the structural representation of the utility model embodiment pull bar;
Figure 17 is the structural representation of the utility model embodiment torsion bar;
Figure 18 is the structural representation that the utility model embodiment drags seat;
Figure 19 is the structural representation of the utility model embodiment gear wheel shaft;
Figure 20 is the birds-eye view of the utility model embodiment gear wheel shaft;
Figure 21 is the section-drawing at C-C place among Fig. 1.
The specific embodiment
Such as Fig. 1-shown in Figure 21, embodiment of the present utility model is a kind of automobile steering device specifically, comprise tooth bar housing 1 and the drive shell 2 that is arranged on the tooth bar housing 1, one side of drive shell 2 is communicated with tooth bar housing 1, be provided with tooth bar 3 in the tooth bar housing 1, be provided with steering shaft 4 in the drive shell 2, the steering shaft 4 outer valve pockets 5 that are arranged with.Steering shaft 4 is provided with gear wheel shaft 6 by an end of tooth bar housing 1, gear wheel shaft 6 arranges with tooth bar 3 engagements, valve pocket 5 engages setting by an end of gear wheel shaft 6 with gear wheel shaft 6, be provided with 8 steering shaft oil grooves 41 outside the steering shaft 4, be provided with the valve pocket oil groove 51 that matches with steering shaft oil groove 41 in the valve pocket 5, valve pocket oil groove 51 and steering shaft oil groove 41 are the groove of strip shape.The direction of valve pocket oil groove 51 and the length of the steering shaft oil groove 41 all length direction with steering shaft 4 is identical, and steering shaft oil groove 41 comprises diapire 411 and straight sided 412, and diapire 411 is the cylinder cambered surface.The cylinder cambered surface place axial direction of diapire 411 and vertical setting of axis body length direction of steering shaft 4, the cylinder cambered surface place axial direction of diapire 411 is vertical with the plane at straight sidewall 412 places, the cylinder cambered surface of diapire 411 extends to the axis body surface, form the cambered surface sidewall of steering shaft oil groove 41, straight sidewall 412 is provided with fillet surface 413 away from a side of steering shaft oil groove 41 bottoms, fillet surface 413 acutangulates setting with straight sidewall 412, and angle is a, is 5.96 °.
The lateral wall of valve pocket 5 is provided with annular oil groove 52, and the sidewall of valve pocket 52 is provided with valve pocket fuel return hole 53, and valve pocket 5 centers are provided with central through hole 54, and valve pocket oil groove 51 is arranged on central through hole 54 madial walls, and valve pocket oil groove 51 is 8.
The end that gear wheel shaft 6 cooperates with valve pocket 5 embeds the central through hole 54 of valve pocket 5, the central through hole 54 of valve pocket 5 is provided with valve pocket limited step 541 by a side of gear wheel shaft 6, in the gear wheel shaft 6 embedding central through holes 54 one section is inconsistent with valve pocket limited step 541, and formative gear axle 6 cooperates with the spacing of central through hole 54 of valve pocket 5.Valve pocket 5 is provided with lock-joint 55 by a side of gear wheel shaft 6, lock-joint 55 towards gear wheel shaft 6 opening settings, gear wheel shaft 6 is provided with gear wheel shaft pin-and-hole 61 with lock-joint 55 corresponding positions, be provided with gear wheel shaft bayonet lock 611 in the gear wheel shaft pin-and-hole 61, gear wheel shaft bayonet lock 611 snaps in lock-joint 55 towards the extension of gear wheel shaft 6 outsides, the snap fit setting of the lock-joint 55 of formative gear axle bayonet lock 611 and valve pocket 5.
Be provided with torsion bar through hole 42 in the steering shaft 4, be provided with torsion bar 43 in the torsion bar through hole 42, gear wheel shaft 6 is provided with by a side of steering shaft 4 and turns to axial trough 62, turns to axial trough 62 bottoms to be provided with torsion bar groove 63, torsion bar groove 63 tops and turn to and be provided with steering shaft geosynclinal convex platform 64 between axial trough 62 bottoms.Steering shaft 4 turns to axial trough 62 by the end insertion of gear wheel shaft 6, and connects with steering shaft geosynclinal convex platform 64, the spacing heavy keying fit of formative gear axle 6 and steering shaft 4, and torsion bar 43 passes in the torsion bar through hole 42 rear insertion torsion bar grooves 63 by a side of gear wheel shaft 6.Steering shaft 4 is provided with the steering shaft protruded stigma 44 of cylindrical shape by an end of gear wheel shaft 6, steering shaft protruded stigma 44 embeds turning in the axial trough 62 of gear wheel shaft 6, the steering shaft protruded stigma 44 outer copper sheathings 441 that are arranged with.
The end of an end that leans on steering shaft 4 of gear wheel shaft 6 is provided with two and is symmetricly set on the steering shaft fixture block 64 that turns to axial trough 62 both sides, steering shaft fixture block 64 is the first cylinder cambered surface 641 by a side in gear wheel shaft 6 outsides, steering shaft fixture block 64 is the second cylinder cambered surface 642 suitable with the cambered surface that turns to axial trough 62 by a side that turns to axial trough 62, the side of the steering shaft fixture block 64 between the second cylinder cambered surface 642 and the first cylinder cambered surface 641 is snap-latch surface 643, snap-latch surface 643 is the plane parallel with the axial direction of gear wheel shaft 6, steering shaft fixture block 64 and another steering shaft fixture block 64 relative one sides form bayonet socket 65, and the bore of bayonet socket 65 is increased gradually by the lateral wall direction that turns to axial trough 62 directions to gear wheel shaft 6.
1 of tooth bar 3 and tooth bar housing are provided with and drag seat 7, drag seat 7 to comprise the cylindrical seat body 71 that drags, drag an end of seat body 71 be provided with tooth bar 3 outer shape of automobile steering device suitable drag a groove 72, drag the cell wall of a groove 72 to be shaped as the cylinder cambered surface, drag the both ends open of a groove 72 to form groove, drag seat body 71 to be provided with the spring groove 73 of installing for spring away from a side of dragging a groove 72, drag seat 7 to adopt the POM material to make, drag the middle part of a groove 72 to be provided with and drag block hole 74, drag an end of block hole 74 to be communicated with setting with dragging a groove 72, the other end is communicated with setting with spring groove 73, the bottom of spring groove 73 is provided with the spring boss 75 of conflicting and arranging for spring, drags the lateral wall of seat body 71 to be provided with the circular groove 76 of placing for seal ring.
The two ends of tooth bar 3 are provided with pull bar 8, one end of pull bar 8 is provided with the bulb installation portion 81 that cooperates installation with the automobile steering device ball head device, the other end of pull bar 8 is provided with the tooth bar installation portion 82 that is equipped with tooth bar 3, pull bar 8 is provided with dust boot 9, tooth bar installation portion 82 comprises that being arranged on pull bar 8 ends cooperates the mounting nuts 82 of installing with tooth bar housing 1, mounting nuts 82 deviate from bulb installation portion 81 the middle part be provided with the locking platform 811 of column, locking platform 811 is provided with the columned pull bar protruded stigma 812 that can snap in the tooth bar 3, the sidewall of locking platform 811 is provided with pair of parallel and is the locking face on plane, the external diameter of locking platform 811 forms locking boss 813 greater than the external diameter of pull bar protruded stigma 812, and locking boss 813 is provided with locking plate 83.
Claims (8)
1. automobile steering device, comprise tooth bar housing and the drive shell that is arranged on the tooth bar housing, one side of described drive shell is communicated with the tooth bar housing, be provided with tooth bar in the described tooth bar housing, be provided with steering shaft in the described drive shell, steering shaft is arranged with valve pocket outward, described steering shaft is provided with gear wheel shaft by an end of tooth bar housing, gear wheel shaft and tooth bar engagement arrange, valve pocket engages setting by gear wheel shaft one end with gear wheel shaft, it is characterized in that: described steering shaft is provided with some steering shaft oil grooves outward, be provided with the valve pocket oil groove that matches with the steering shaft oil groove in the described valve pocket, described valve pocket oil groove and steering shaft oil groove are the groove of strip shape, the direction of described valve pocket oil groove and the length of the steering shaft oil groove all length direction with steering shaft is identical, described steering shaft oil groove comprises diapire and straight sided, described diapire is the cylinder cambered surface, the cylinder cambered surface place axial direction of described diapire and vertical setting of axis body length direction of steering shaft, the cylinder cambered surface place axial direction of described diapire is vertical with the plane at straight sidewall place, the cylinder cambered surface of described diapire extends to the axis body surface, form the cambered surface sidewall of steering shaft oil groove, described straight sidewall is provided with fillet surface away from a side of steering shaft oil groove bottom, and described fillet surface and straight sidewall acutangulate setting.
2. automobile steering device according to claim 1, it is characterized in that: the lateral wall of described valve pocket is provided with annular oil groove, the sidewall of described valve pocket is provided with the valve pocket fuel return hole, described valve pocket center is provided with central through hole, described valve pocket oil groove is arranged on the central through hole madial wall, and described valve pocket oil groove is 8.
3. automobile steering device according to claim 2, it is characterized in that: the end that described gear wheel shaft cooperates with valve pocket embeds the central through hole of valve pocket, the central through hole of described valve pocket is provided with the valve pocket limited step by a side of gear wheel shaft, in the described gear wheel shaft embedding central through hole one section is inconsistent with the valve pocket limited step, the formative gear axle cooperates with the spacing of valve pocket central through hole, described valve pocket is provided with lock-joint by a side of gear wheel shaft, arranging towards the gear wheel shaft opening of described lock-joint, described gear wheel shaft and lock-joint corresponding position are provided with the gear wheel shaft pin-and-hole, be provided with the gear wheel shaft bayonet lock in the described gear wheel shaft pin-and-hole, described gear wheel shaft bayonet lock snaps in lock-joint, the snap fit setting of the lock-joint of formative gear axle bayonet lock and valve pocket towards the extension of the gear wheel shaft outside.
4. automobile steering device according to claim 1, it is characterized in that: be provided with the torsion bar through hole in the described steering shaft, be provided with torsion bar in the described torsion bar through hole, described gear wheel shaft leans on a side of steering shaft to be provided with and turns to axial trough, described steering shaft trench bottom is provided with the torsion bar groove, be provided with steering shaft geosynclinal convex platform between described torsion bar groove top and steering shaft trench bottom, described steering shaft turns to axial trough by the end insertion of gear wheel shaft, and connect with steering shaft geosynclinal convex platform, the spacing heavy keying fit of formative gear axle and steering shaft, described torsion bar are inserted in the torsion bar groove after passing the torsion bar through hole by a side of gear wheel shaft.
5. automobile steering device according to claim 4, it is characterized in that: described steering shaft is provided with the steering shaft protruded stigma of cylindrical shape by an end of gear wheel shaft, described steering shaft protruded stigma embeds turning in the axial trough of gear wheel shaft, and described steering shaft protruded stigma is arranged with copper sheathing outward.
6. automobile steering device according to claim 4, it is characterized in that: the end of an end that leans on steering shaft of described gear wheel shaft is provided with two and is symmetricly set on the steering shaft fixture block that turns to the axial trough both sides, described steering shaft fixture block is the first cylinder cambered surface by a side in the gear wheel shaft outside, described steering shaft fixture block is the second cylinder cambered surface suitable with the cambered surface that turns to axial trough by a side that turns to axial trough, the side of the steering shaft fixture block between described the second cylinder cambered surface and the first cylinder cambered surface is snap-latch surface, described snap-latch surface is the plane parallel with the axial direction of gear wheel shaft, the one side that the steering shaft fixture block is relative with another steering shaft fixture block forms bayonet socket, and the bore of described bayonet socket is increased gradually by the lateral wall direction that turns to the axial trough direction to gear wheel shaft.
7. automobile steering device according to claim 1, it is characterized in that: be provided with between described tooth bar and tooth bar housing and drag seat, the described seat that drags comprises the cylindrical seat body that drags, a described end that drags seat body be provided with automobile steering device tooth bar outer shape suitable drag a groove, the described cell wall of a groove that drags is shaped as the cylinder cambered surface, drag the both ends open of a groove to form groove, drag seat body to be provided with the spring groove of installing for spring away from a side of dragging a groove, the described seat that drags adopts the POM material to make, described middle part of dragging a groove is provided with drags block hole, the described end of block hole that drags is communicated with setting with dragging a groove, the other end is communicated with setting with spring groove, the bottom of described spring groove is provided with the spring boss of conflicting and arranging for spring, and the described lateral wall of seat body that drags is provided with the circular groove of placing for seal ring.
8. automobile steering device according to claim 1, it is characterized in that: the two ends of described tooth bar are provided with pull bar, one end of described pull bar is provided with the bulb installation portion that cooperates installation with the automobile steering device ball head device, the other end of pull bar is provided with the tooth bar installation portion that is equipped with tooth bar, described tooth bar installation portion comprises that being arranged on tie rod end cooperates the mounting nuts of installing with the tooth bar housing, mounting nuts deviate from the bulb installation portion the middle part be provided with the locking platform of column, described locking platform is provided with the columned pull bar protruded stigma that can snap in the tooth bar, the sidewall of described locking platform is provided with pair of parallel and is the locking face on plane, the external diameter of described locking platform forms the locking boss greater than the external diameter of pull bar protruded stigma, and described locking boss is provided with locking plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220546683 CN202847799U (en) | 2012-10-23 | 2012-10-23 | Automobile steering engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220546683 CN202847799U (en) | 2012-10-23 | 2012-10-23 | Automobile steering engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202847799U true CN202847799U (en) | 2013-04-03 |
Family
ID=47979023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220546683 Withdrawn - After Issue CN202847799U (en) | 2012-10-23 | 2012-10-23 | Automobile steering engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202847799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910200A (en) * | 2012-10-23 | 2013-02-06 | 浙江龙纪汽车零部件有限公司 | Automobile steering engine |
-
2012
- 2012-10-23 CN CN 201220546683 patent/CN202847799U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910200A (en) * | 2012-10-23 | 2013-02-06 | 浙江龙纪汽车零部件有限公司 | Automobile steering engine |
| CN102910200B (en) * | 2012-10-23 | 2014-10-29 | 浙江龙纪汽车零部件有限公司 | Automobile steering engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130403 Effective date of abandoning: 20141029 |
|
| RGAV | Abandon patent right to avoid regrant |