CN202389445U - Steering device - Google Patents
Steering device Download PDFInfo
- Publication number
- CN202389445U CN202389445U CN2011205307677U CN201120530767U CN202389445U CN 202389445 U CN202389445 U CN 202389445U CN 2011205307677 U CN2011205307677 U CN 2011205307677U CN 201120530767 U CN201120530767 U CN 201120530767U CN 202389445 U CN202389445 U CN 202389445U
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- Prior art keywords
- vehicle body
- hollow cylinder
- mentioned
- miniature gears
- rib
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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.)
- Expired - Lifetime
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- Transmission Devices (AREA)
Abstract
The utility model provides a rack-gear type steering device with light weight, and a housing of a rigid steering device at the vicinity of a vehicle body mounting part at an end part opposite to the side end part of a pinion is enlarged. A first rib (55) is integrally formed on a flange part (52) of the vehicle body mounting part (5) at the end part opposite to the side end part of the pinion; and the first rib (55) is formed towards the center of a hollow cylinder part (11) in the back-and-forth direction of the vehicle body and the center of the hollow cylinder part (11) in the up-and-down direction of the vehicle body from the flange part (52). Therefore, as the first rib (55) is formed slantwise relatively to the central axis of the hollow cylinder part (11), the rigidity of the deformation of the vehicle body mounting part (5) at the end part opposite to the side end part of the pinion is great, wherein the vehicle body mounting part is relative to both of the up-and-down direction of the vehicle body and the back-and-forth direction of the vehicle body; and the deformation of the vehicle body mounting part (5) at the end part opposite to the side end part of the pinion, relative to both of the up-and-down direction of the vehicle body and the back-and-forth direction of the vehicle body, is reduced.
Description
Technical field
The utility model relates to steering hardware, relates in particular to the steering hardware with the housing that can be installed in the turning facilities on the vehicle body frame, and this housing has the hollow cylinder portion of embedded this rack shaft reciprocatingly.
Background technology
With regard to the rack-and-pinion steering device; The rack shaft that changes the manipulation angle of wheel through tierod can reciprocatingly be supported on the housing of turning facilities, the pinion shaft that the rotation of steering handwheel is sent to rack shaft through bearing revolvably axle be bearing on the housing of turning facilities.
Therefore the housing of this turning facilities is fixed on the vehicle body frame in order to absorb this manipulation antagonistic force owing to when handling, receive the manipulation antagonistic force that sends from wheel.That is, bolt inserted the miniature gears side end of the hollow cylinder portion be respectively formed at housing and installs with the vehicle body of the end of miniature gears side end opposition side use shaft sleeve part, through with this bolted on the vehicle body frame, thereby housing is fixed on the vehicle body frame.
The vehicle body of the end opposite with the miniature gears side end is installed with installing with different near the shaft sleeve part with the vehicle body of miniature gears side end near the shaft sleeve part, does not have pinion shaft to insert the cylindric axle sleeve of usefulness or the cylindric axle sleeve that the tooth bar guide plate inserts usefulness.Therefore; The vehicle body of the end opposite with the miniature gears side end is installed little with near the rigidity the shaft sleeve part; The vehicle body of the end opposite with the miniature gears side end is installed with near the distortion when the handling reaction force acts shaft sleeve part and is become big, as its result, produces the undesirable condition that road-holding property descends.
Rack-and-pinion steering device shown in the patent documentation 1 is installed the rib that is formed with two vee shapes with the joint portion of shaft sleeve part and hollow cylinder portion at the vehicle body of the end opposite with the miniature gears side end; Thereby the vehicle body that increases the end opposite with the miniature gears side end is installed with near the rigidity the shaft sleeve part; This rib with hollow cylinder portion to be connected side intersecting each other, with the vehicle body of the end of miniature gears opposition side install with shaft sleeve part to be connected side disconnected from each other.But therefore the rack-and-pinion steering device shown in the patent documentation 1 has problems aspect lightweight owing to utilize two ribs to increase rigidity.
The prior art document
Patent documentation 1: International Publication WO2007/060887 communique
The utility model content
The problem of the utility model is to provide the rack-and-pinion steering device of housing that has light weight and increased near the turning facilities of the rigidity the vehicle body installation portion of the end opposite with the miniature gears side end.
Above-mentioned problem solves through following method.That is, the utility model of first scheme is a steering hardware, it is characterized in that; Possess: housing; This housing has the hollow cylinder portion of embedded rack shaft slidably, this rack shaft utilization be installed in the steering shaft lower end miniature gears rotation and move back and forth, and this housing can be installed on the vehicle body frame; The vehicle body installation portion; This vehicle body installation portion forms at the miniature gears side end of the hollow cylinder portion of above-mentioned housing and end this both sides opposite with the miniature gears side end outstanding from arbitrary side of the outer circumferential vehicle body fore-and-aft direction of hollow cylinder portion, is being formed with the mounting hole that is used for housing is installed on the vehicle body frame on the vehicle body above-below direction; And first rib; This first rib connects the vehicle body installation portion and the hollow cylinder portion periphery of the above-mentioned end opposite with the miniature gears side end, above-mentioned first rib from the flange part of the vehicle body installation portion of the above-mentioned end opposite with the miniature gears side end towards the center of the vehicle body fore-and-aft direction of above-mentioned hollow cylinder portion and the center of vehicle body above-below direction and forming.
The utility model of alternative plan is on the basis of the steering hardware of the utility model of first scheme; It is characterized in that; Above-mentioned vehicle body installation portion possesses: flange part, and this flange part is formed with the bearing surface with above-mentioned vehicle body frame butt at lower surface, and the thickness of vehicle body above-below direction is little; And shaft sleeve part, this shaft sleeve part is extended and is formed to the vehicle body upper side from above-mentioned flange part, compares with flange part, and the narrow width of vehicle body left and right directions, the thickness of vehicle body above-below direction is big.
The utility model of third party's case is on the basis of the steering hardware of the utility model of alternative plan; It is characterized in that; Above-mentioned vehicle body installation portion possesses the two ends of the vehicle body left and right directions of the upper surface that is respectively formed at above-mentioned shaft sleeve part, and the second rib of the upper surface of connecting bushing portion and hollow cylinder portion periphery.
The effect of the utility model is following.
The steering hardware of the utility model is characterised in that; Possess: the vehicle body installation portion; This vehicle body installation portion the arbitrary side from the outer circumferential vehicle body fore-and-aft direction of hollow cylinder portion on two sides of the miniature gears side end of the hollow cylinder portion of housing and the end opposite with the miniature gears side end form highlightedly, is being formed with the mounting hole that is used for housing is installed on the vehicle body frame on the vehicle body above-below direction; And first rib; This first rib connects the vehicle body installation portion and the hollow cylinder portion periphery of the end opposite with the miniature gears side end, first rib from the flange part of the vehicle body installation portion of the end opposite with the miniature gears side end towards the center of the vehicle body fore-and-aft direction of hollow cylinder portion and the center of vehicle body above-below direction and forming.
Therefore; Because first rib is formed obliquely with respect to the central axis of hollow cylinder portion; The vehicle body installation portion of therefore opposite with miniature gears side end end is big with respect to the rigidity of two sides' of vehicle body above-below direction and vehicle body fore-and-aft direction distortion, reduces two sides' the distortion of vehicle body fore-and-aft direction and vehicle body above-below direction of the vehicle body installation portion of the end opposite with the miniature gears side end.In addition, because a rib gets final product, therefore can make the turning facilities lightweight.
Description of drawings
Fig. 1 representes the steering hardware of the embodiment of the utility model, is the overall perspective view of post auxiliary type rack-and-pinion steering device.
Fig. 2 is the front view of main portion of housing of the turning facilities of presentation graphs 1.
Fig. 3 is the birds-eye view of Fig. 2.
Fig. 4 is the A-A cutaway view of Fig. 3.
Among the figure:
The 101-steering handwheel, 102-motor, 103-turning facilities, 104-tierod, 105-post, 106-tween drive shaft, 107-pinion shaft; The 108-universal coupling, the 1-housing, 11-hollow cylinder portion, in week in the 12-, the 13-pinion shaft inserts the cylindric axle sleeve of usefulness, and 14-tooth bar guide plate inserts the cylindric axle sleeve of usefulness, 15-periphery; 2-vehicle body frame, 21-upper surface, 31-rack shaft, 32-pinion shaft, 4-vehicle body installation portion, 41-negative thread (mounting hole); The 42-flange part, 421-bearing surface, 43-shaft sleeve part, 44-second rib, 5-vehicle body installation portion, 51-negative thread (mounting hole); The 52-flange part, 521-bearing surface, 53-shaft sleeve part, 54-second rib, 55-first rib, 6-screw.
The specific embodiment
Fig. 1 representes the steering hardware of the embodiment of the utility model, is the overall perspective view of post auxiliary type rack-gear type power steering gear.As shown in Figure 1, the post auxiliary type rack-gear type power steering gear of the embodiment of the utility model is given the steering auxiliary force of the motor 102 of the pars intermedia that is installed in post 105 in order to alleviate the operating effort of steering handwheel 101 to steering shaft.And, the rotation of steering shaft is sent to tween drive shaft 106, through pinion shaft 107 rack shaft of rack-and-pinion steering equipment 103 is moved back and forth, handle wheel through tierod 104.
Fig. 2 is the front view of main portion of housing 1 of the turning facilities of presentation graphs 1.Fig. 3 is the birds-eye view of Fig. 2.Fig. 4 is the A-A cutaway view of Fig. 3.Before the housing 1 of the turning facilities 103 of the embodiment of the utility model is installed on the vehicle body frame 2 (with reference to Fig. 4) such as auxiliary framework.
With the front side of the paper quadrature of Fig. 2 be the vehicle body rear side, with the inboard of the paper quadrature of Fig. 2 be the vehicle body front side, the left and right directions of Fig. 2 is the vehicle body left and right directions, the last direction of Fig. 2 is the vehicle body upper side, the lower direction of Fig. 2 is the vehicle body lower side.In addition, with the front side of the paper quadrature of Fig. 3 be the vehicle body upper side, with the inboard of the paper quadrature of Fig. 3 be the vehicle body lower side, the left and right directions of Fig. 3 is the vehicle body left and right directions, the last direction of Fig. 3 is the vehicle body front side, the lower direction of Fig. 3 is the vehicle body rear side.
The housing 1 of turning facilities 103 is die casting systems of aluminum alloy, and rack shaft 31 can be embedded in interior all 12 of hollow cylinder portion 11 slidably along the left and right directions of Fig. 2, Fig. 3.Not shown ball pivot sleeve (ボ one Le ジ ョ イ Application ト ソ ケ Star ト) screws in the right ends of rack shaft 31 respectively, is connected with wheel through not shown joint arm with ball pivot sleeve bonded assembly tierod (with reference to Fig. 1) 104,104.
Left end in hollow cylinder portion 11; Form from the periphery 15 of hollow cylinder portion 11 and insert the cylindric axle sleeve 13 of usefulness, be formed with and the not shown miniature gears of rack shaft 31 ingears inserting the lower end of pinion shaft 32 that this pinion shaft inserts the cylindric axle sleeve 13 of usefulness to the outstanding pinion shaft of vehicle body upper side.The upper end of pinion shaft 32 is connected the lower end with the universal coupling 108 of steering handwheel 101 bonded assembly Fig. 1.
Left end in hollow cylinder portion 11; Form cylindric axle sleeve 13 adjacency of inserting usefulness with pinion shaft, and insert the cylindric axle sleeve 14 of usefulness to the outstanding tooth bar guide plate of vehicle body rear side (with the front direction of paper quadrature) from the periphery 15 of hollow cylinder portion 11.On the cylindric axle sleeve 14 of this tooth bar guide plate insertion usefulness, be inserted with not shown tooth bar guide plate; Through the back side (with the tooth bar flank of tooth opposition side) channeling conduct to rack shaft 31 such as roller; Prevent the distortion of the rack shaft 31 that the antagonistic force by with pinion the time produces, rack shaft 31 slides swimmingly.
If chaufeur rotation steering handwheel 101, the then miniature gears of pinion shaft 32 rotation, corresponding with the rotation of miniature gears, rack shaft 31 horizontally slips, thereby can change the manipulation angle of wheel.
The left end (miniature gears side end) of hollow cylinder portion 11, and the right-hand member (with miniature gears opposition side end) of hollow cylinder portion 11 be formed with periphery 15 from hollow cylinder portion 11 to the outstanding vehicle body installation portion 4,5 of vehicle body rear side (with the front direction of paper quadrature).On vehicle body installation portion 4,5, on vehicle body above-below direction (above-below direction of Fig. 2 is with the direction of the paper quadrature of Fig. 3), respectively form place's negative thread (mounting hole) 41,51.From the vehicle body lower side bolt 6 (with reference to Fig. 4) is screwed in negative thread 41,51, through screw 6 is fastened on the vehicle body frame 2, thereby housing 1 is fixed on the vehicle body frame 2.
The width that on vehicle body installation portion 4,5, is formed with the vehicle body left and right directions is wide; And the flange part 42,52 that the thickness of vehicle body above-below direction is little; Be formed on bearing surface 421,521 and upper surface (with reference to Fig. 4) 21 butts of vehicle body frame 2 of the lower surface of flange part 42,52, utilize bolt 6 to be fastened on the vehicle body frame 2.On two flange parts 42,52, be formed with shaft sleeve part 43,53, this shaft sleeve part 43,53 is formed extended at both sides to the vehicle body upper side from flange part 42,52, compare with flange part 52,52, and the narrow width of vehicle body left and right directions, the thickness of vehicle body above-below direction is big.
If the width of the vehicle body left and right directions of shaft sleeve part 43,53 is made identical, then can increase the rigidity of shaft sleeve part 43,53 with the width of the vehicle body left and right directions of flange part 42,52.But, producing pore when suppressing mold casting forming, the width of vehicle body left and right directions that makes shaft sleeve part 43,53 is than the narrow width of the vehicle body left and right directions of flange part 42,52.
For near the distortion the vehicle body installation portion 5 that suppresses the end opposite, on the flange part 52 of the end opposite, be formed with a first rib 55 of the periphery 15 of flange connector portion 52 and hollow cylinder portion 11 with the miniature gears side end with the miniature gears side end.First rib 55 from flange part 52 towards the center of the vehicle body fore-and-aft direction of hollow cylinder portion 11 and the center of vehicle body above-below direction and forming.
In addition, on two shaft sleeve part 43,53, be formed with the second rib 44,44,54,54 of periphery 15 of upper surface and the hollow cylinder portion 11 of connecting bushing portion 43,53 at the two ends of the vehicle body left and right directions of the upper surface of shaft sleeve part 43,53.
As stated, on the flange part 52 of the vehicle body installation portion 5 of the end opposite, form from flange part 52 towards the center of the vehicle body fore-and-aft direction of hollow cylinder portion 11 and the center of vehicle body above-below direction and the first rib 55 that forms with the miniature gears side end.Therefore; Because the central axis that first rib 55 forms with respect to hollow cylinder portion 11 tilts; The vehicle body installation portion 5 of therefore opposite with miniature gears side end end is big with respect to the rigidity of two sides' of vehicle body above-below direction and vehicle body fore-and-aft direction distortion, has reduced two sides' the distortion of vehicle body fore-and-aft direction and vehicle body above-below direction of the vehicle body installation portion 5 of the end opposite with the miniature gears side end.Therefore, handle reaction force acts in the turning facilities road-holding property raising in 103 last times.In addition, because a rib gets final product, therefore can make turning facilities 103 lightweights.
In addition, connect the rigidity of the vehicle body installation portion 5 of second rib 54,54 increases of periphery 15 of upper surface and hollow cylinder portion 11 of shaft sleeve part 53 of vehicle body installation portion 5 of the end opposite end opposite with respect to the distortion of torsional direction with the miniature gears side end with the miniature gears side end.
In the above-described embodiments, the example that is applied to post auxiliary type rack-gear type power steering gear is illustrated, but also can be applied to miniature gears auxiliary type rack-gear type power steering gear and artificial type rack-and-pinion steering device.
Claims (3)
1. a steering hardware is characterized in that,
Possess: housing, this housing have the hollow cylinder portion of embedded rack shaft slidably, this rack shaft utilization be installed in the steering shaft lower end miniature gears rotation and move back and forth, and this housing can be installed on the vehicle body frame;
The vehicle body installation portion; This vehicle body installation portion forms at the miniature gears side end of the hollow cylinder portion of above-mentioned housing and end this both sides opposite with the miniature gears side end outstanding from arbitrary side of the outer circumferential vehicle body fore-and-aft direction of hollow cylinder portion, is being formed with the mounting hole that is used for housing is installed on the vehicle body frame on the vehicle body above-below direction; And
A first rib, this first rib connect the vehicle body installation portion and the hollow cylinder portion periphery of the above-mentioned end opposite with the miniature gears side end,
Above-mentioned first rib from the flange part of the vehicle body installation portion of the above-mentioned end opposite with the miniature gears side end towards the center of the vehicle body fore-and-aft direction of above-mentioned hollow cylinder portion and the center of vehicle body above-below direction and forming.
2. steering hardware according to claim 1 is characterized in that,
Above-mentioned vehicle body installation portion possesses:
Flange part, this flange part is formed with the bearing surface with above-mentioned vehicle body frame butt at lower surface, and the thickness of vehicle body above-below direction is little; And
Shaft sleeve part, this shaft sleeve part is extended and is formed to the vehicle body upper side from above-mentioned flange part, compares with flange part, the narrow width of vehicle body left and right directions, the thickness of vehicle body above-below direction is big.
3. steering hardware according to claim 2 is characterized in that,
Above-mentioned vehicle body installation portion possesses the two ends of the vehicle body left and right directions of the upper surface that is respectively formed at above-mentioned shaft sleeve part, and the second rib of the upper surface of connecting bushing portion and hollow cylinder portion periphery.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011126763A JP5370417B2 (en) | 2011-06-06 | 2011-06-06 | Steering device |
| JP2011-126763 | 2011-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202389445U true CN202389445U (en) | 2012-08-22 |
Family
ID=46664389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205307677U Expired - Lifetime CN202389445U (en) | 2011-06-06 | 2011-12-16 | Steering device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5370417B2 (en) |
| CN (1) | CN202389445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959602A (en) * | 2020-08-26 | 2020-11-20 | 武汉嘉迅汽车配件有限公司 | Rack and pinion drive mechanism casing and motor vehicle rack and pinion steering system |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017124640A (en) * | 2014-04-23 | 2017-07-20 | 日本精工株式会社 | Housing for rack-and-pinion type steering gear unit |
| KR102427344B1 (en) * | 2018-10-26 | 2022-07-29 | 현대모비스 주식회사 | Steering device for vehicle |
| US20240132139A1 (en) * | 2021-03-25 | 2024-04-25 | Hitachi Astemo, Ltd. | Steering device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005096591A (en) * | 2003-09-24 | 2005-04-14 | Unisia Jkc Steering System Co Ltd | Gear housing structure for steering device |
| JP2005132302A (en) * | 2003-10-31 | 2005-05-26 | Unisia Jkc Steering System Co Ltd | Bracket structure for steering rack housing |
| WO2007060887A1 (en) * | 2005-11-22 | 2007-05-31 | Nsk Ltd. | Steering device |
-
2011
- 2011-06-06 JP JP2011126763A patent/JP5370417B2/en active Active
- 2011-12-16 CN CN2011205307677U patent/CN202389445U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959602A (en) * | 2020-08-26 | 2020-11-20 | 武汉嘉迅汽车配件有限公司 | Rack and pinion drive mechanism casing and motor vehicle rack and pinion steering system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012250675A (en) | 2012-12-20 |
| JP5370417B2 (en) | 2013-12-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |